当前查询到830条专利与查询词 "Dong Jing"相关,搜索用时0.1563033秒!排序方式:
发明专利:443实用新型: 364外观设计: 23
443 条,当前第 1-10 条 下一页 最后一页 返回搜索页
申请号:202010068100.3 公开号:CN111229358A 主分类号:B02C1/00
申请人:【中文】武汉科技大学【EN】WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY 申请日:2020.01.13 公开日:2020.06.05
摘要:【中文】本发明公开了一种路桥施工用混凝土粉碎装置,涉及建筑设备领域,该路桥施工用混凝土粉碎装置包括粉碎箱,粉碎箱连通有料斗,粉碎箱通过铰链连接有箱门,箱门上安装有门锁,粉碎箱安装有固定压块,粉碎箱安装有液压装置,粉碎箱内部设有活动压块,液压装置的推杆与活动压块连接。该路桥施工用混凝土粉碎装置设计简单,工作可靠稳定,成本低廉,而且便于携带,适合在建筑工地上临时粉碎水泥混凝土块时使用。 【EN】The invention discloses a concrete crushing device for road and bridge construction, and relates to the field of construction equipment. This concrete reducing mechanism for road bridge construction design is simple, and the reliable operation is stable, low cost, and portable is fit for using when smashing the cement concrete piece temporarily on the building site moreover.
详细信息 下载全文

申请号:201811275381.9 公开号:CN111111635A 主分类号:B01J21/10
摘要:【中文】本发明涉及一种用于双键异构化的催化剂,主要解决以往技术中存在的异构化催化剂活性低及稳定性差的问题。本发明通过采用一种异构化催化剂,以重量份数计,包括以下组分:a)98~100份氧化镁;b)0~1份元素周期表第ⅦA族元素或其氧化物;c)0~1份钠或其氧化物;催化剂的堆密度大于0.8g/ml的技术方案,较好地解决了该问题,可用于异构化反应及烯烃歧化反应的工业生产。 【EN】The invention relates to a catalyst for double bond isomerization, which mainly solves the problems of low activity and poor stability of an isomerization catalyst in the prior art. The invention adopts an isomerization catalyst which comprises the following components in parts by weight: a) 98-100 parts of magnesium oxide; b) 0-1 part of a VIIA group element of the periodic table or an oxide thereof; c)0 to 1 part of sodium or an oxide thereof; the technical proposal that the bulk density of the catalyst is more than 0.8g/ml better solves the problem and can be used for the industrial production of isomerization reaction and olefin disproportionation reaction.
详细信息 下载全文

申请号:201911101167.6 公开号:CN110840090A 主分类号:A47B47/00
摘要:【中文】本发明公开了一种自动化物流仓储用带桩式安全货架,包括组竖直组件和水平组件,竖直组件包括一对主支撑杆,一对主支撑杆之间固定连接有侧支撑杆,一对竖直组件之间设置有隔板框,主支撑杆上连接有与隔板框相匹配的隔板固定件,隔板框与隔板固定件连接,隔板框上连接有承载隔板,主支撑杆的下端固定连接有底座板;本发明中的一种自动化物流仓储用带桩式安全货架,其可采用地桩的形式增加货架的强度,可大幅增加货架的稳定性和抗撞击性,在自动化物流仓库中,不会因搬运机器人的撞击而发生倾斜或倒塌,也不易造成货架倒塌的连锁反应,根据不同形式的货架,可采用不同高度的加强杆,并且方便拆卸和安装,适用性强,成本可控,稳定性高,便于推广。 【EN】The invention discloses a pile-type safety goods shelf for automatic logistics storage, which comprises a vertical assembly and a horizontal assembly, wherein the vertical assembly comprises a pair of main supporting rods, a side supporting rod is fixedly connected between the pair of main supporting rods, a partition plate frame is arranged between the pair of vertical assemblies, a partition plate fixing piece matched with the partition plate frame is connected onto the main supporting rods, the partition plate frame is connected with the partition plate fixing piece, a bearing partition plate is connected onto the partition plate frame, and the lower end of the main supporting rod is fixedly connected with a base plate; according to the safety goods shelf with the piles for the automatic logistics warehouse, the strength of the goods shelf can be improved in the form of the ground piles, the stability and the impact resistance of the goods shelf can be greatly improved, the goods shelf cannot incline or collapse due to the impact of a carrying robot in the automatic logistics warehouse, the chain reaction of the goods shelf collapse is not easy to cause, reinforcing rods with different heights can be adopted according to different forms of goods shelves, the disassembly and the assembly are convenient, the applicability is strong, the cost is controllable, the stability is high, and the popularization is convenient.
详细信息 下载全文

申请号:201910938849.6 公开号:CN110862978A 主分类号:C12N9/52
申请人:【中文】江苏大学【EN】JIANGSU University 申请日:2019.09.30 公开日:2020.03.06
摘要:【中文】本发明属于生物工程领域,具体涉及一种重组嗜盐古菌蛋白酶的制备方法;步骤为:以Halostella sp.DL‑M4的基因组为模板,pET28a质粒为表达载体构建重组质粒;重组质粒转化大肠杆菌细胞,诱导表达,离心收集菌体进行细胞重悬及破碎,再次离心取上清液,加入β‑巯基乙醇得到混合液过镍柱,酶原与镍介质结合复性,最后经二次除杂蛋白及目标蛋白洗脱、超滤离心浓缩、凝胶过滤层析,得到重组嗜盐古菌蛋白酶;本发明具有良好的通用性,纯化步骤更简单,生产周期更短,获得的蛋白酶纯度高,最终获得比酶活为1159.15U/mg的嗜盐古菌蛋白酶。 【EN】The invention belongs to the field of bioengineering, and particularly relates to a preparation method of recombinant halophilic archaea protease, which comprises the steps of constructing recombinant plasmids by taking genome of Halostella sp.DL-M4 as a template and pET28a plasmid as an expression vector, transforming escherichia coli cells by using the recombinant plasmids, carrying out induced expression, centrifugally collecting thalli, carrying out cell resuspension and crushing, centrifugally taking supernate again, adding β -mercaptoethanol to obtain mixed liquor, passing the mixed liquor through a nickel column, combining zymogen and a nickel medium for renaturation, and finally carrying out secondary impurity protein removal, target protein elution, ultrafiltration centrifugal concentration and gel filtration chromatography to obtain the recombinant halophilic archaea protease.
详细信息 下载全文

申请号:201911152372.5 公开号:CN110876979A 主分类号:B02C19/00
申请人:【中文】吉林大学【EN】Jilin University 申请日:2019.11.22 公开日:2020.03.13
摘要:【中文】本发明涉及一种中药材加工碾药装置,包括碾药基座、碾药机构与储药箱,所述碾药基座中部开设有碾药槽,碾药槽上端布置有碾药机构,碾药机构左右两侧对称布置有储药箱,碾药机构与储药箱均安装在碾药基座侧壁上,碾药机构包括滑动架、转动电机、转动杆、碾药盘、承托架、移动齿条、驱动齿轮与驱动电机,碾药盘包括固定圆盘、碾药头、调节螺钉、连接杆、缓冲弹簧、连接块与连接螺钉,本发明通过多次少量的方式进行送药,并采用前后碾压与转动滚磨的方式同步将中药材制成粉末状,提高了碾药的效率,减小了出现碾药死角的可能性,同时可对碾药力度大小做出适当调节,以匹配所加工的中药材的自身特性,避免对药效产生不良影响。 【EN】The invention relates to a traditional Chinese medicine processing and grinding device, which comprises a medicine grinding base, a medicine grinding mechanism and a medicine storage box, wherein the middle part of the medicine grinding base is provided with a medicine grinding groove, the upper end of the medicine grinding groove is provided with the medicine grinding mechanism, the left side and the right side of the medicine grinding mechanism are symmetrically provided with the medicine storage box, the medicine grinding mechanism and the medicine storage box are both arranged on the side wall of the medicine grinding base, the medicine grinding mechanism comprises a sliding frame, a rotating motor, a rotating rod, a medicine grinding disc, a bearing bracket, a moving rack, a driving gear and a driving motor, the medicine grinding disc comprises a fixed disc, a medicine grinding head, an adjusting screw, a connecting rod, a buffer spring, a connecting block and a connecting screw, the medicine is fed in a mode of repeatedly and in a small amount, the traditional Chinese medicine is synchronously prepared into powder in a mode of front-back grinding and rotating grinding, the medicine grinding efficiency is improved, the possibility, so as to match the characteristics of the processed Chinese medicinal materials and avoid the adverse effect on the drug effect.
详细信息 下载全文

申请号:201911220606.5 公开号:CN110905820A 主分类号:F04D7/04
申请人:【中文】三联泵业股份有限公司【EN】Sanlian pump Limited by Share Ltd 申请日:2019.12.03 公开日:2020.03.24
摘要:【中文】本发明公开了一种带泵送切割装置的离心式渣浆泵,包括渣浆泵主体、顶盖和电机,所述渣浆泵主体的顶端固定连接有顶盖,所述渣浆泵主体的中间部位贯穿连接有出水口,所述渣浆泵主体的顶部固定连接有安装壁,所述安装壁中间部位固定连接有电机,所述渣浆泵主体的底部镂空连接有杂质收集机构,杂质收集机构通过导向板、导向管、收集腔,腔门和第三过滤网相互配合使用,杂质收集机构可以对没有粉碎的杂质进行再次收集,然后就可以再次粉碎,腔门是通过磁铁固定,所以在需要清理杂质收集机构的时候,可以更加方便的打开腔门,进行清理,有效的提高了渣浆泵主体的实用性,适用于泵机构的使用,在未来具有很广泛的运用。 【EN】The invention discloses a centrifugal slurry pump with a pumping cutting device, which comprises a slurry pump main body, a top cover and a motor, wherein the top end of the slurry pump main body is fixedly connected with the top cover, the middle part of the slurry pump main body is connected with a water outlet in a penetrating way, the top part of the slurry pump main body is fixedly connected with an installation wall, the middle part of the installation wall is fixedly connected with the motor, the bottom of the slurry pump main body is hollowed and connected with an impurity collecting mechanism, the impurity collecting mechanism is matched with a guide plate, a guide pipe and a collecting cavity through a guide plate, a cavity door and a third filter screen for use, the impurity collecting mechanism can collect impurities which are not crushed again and then can crush the impurities again, and the cavity door is fixed through a magnet, so that the cavity door can be opened more conveniently to clean when the impurity collecting mechanism needs to clean the impurities, and the practicability of the slurry pump, suitable for use with pump mechanisms and will find wide application in the future.
详细信息 下载全文

申请号:201810971318.2 公开号:CN110857328A 主分类号:C08G18/48
摘要:【中文】一种聚氨酯泡沫可包括基础多元醇组分、含磷多元醇组分、可膨胀石墨以及三聚氰胺。所述聚氨酯泡沫根据在3.5mm的聚氨酯泡沫厚度和380kg/m3的聚氨酯泡沫密度下进行的UL94阻燃性测试可具有V0等级。 【EN】A polyurethane foam may include a base polyol component, a phosphorus-containing polyol component, expandable graphite, and melamine. The polyurethane foam has a polyurethane foam thickness of 3.5mm and 380kg/m3The UL94 flame retardancy test performed at a polyurethane foam density of (a) may have a V0 rating.
详细信息 下载全文

申请号:201911399291.5 公开号:CN110939710A 主分类号:F16H48/38
摘要:【中文】一种差速器半轴齿轮的轴孔密封结构及加工工艺,以提高端部封闭的半轴齿轮的加工精度和加工效率。差速器半轴齿轮的轴孔密封结构包括齿轮本体和齿轮本体一端均匀分布的若干个轮齿,沿所述齿轮本体轴心设置有轴孔;所述的轴孔贯通齿轮本体,在所述轴孔位于轮齿一端设有同轴的压装内孔,压装内孔孔径大于轴孔孔径,所述压装内孔内装有油封盖,两者构成紧配合,所述油封盖外边缘与压装内孔孔壁构成激光焊接连接。本发明的用齿轮+油封盖组件进行压装,并在组件表面进行焊接的密封工艺,齿轮压装前的所有机加工按照常规工艺即可完成,大大提高生产效率,降低加工难度和生产成本。 【EN】A shaft hole sealing structure of a differential half shaft gear and a processing technology are provided to improve the processing precision and the processing efficiency of the half shaft gear with a closed end. The shaft hole sealing structure of the differential half shaft gear comprises a gear body and a plurality of gear teeth uniformly distributed at one end of the gear body, and a shaft hole is formed along the axis of the gear body; the shaft hole through gear body the shaft hole is located the teeth of a cogwheel one end and is equipped with coaxial pressure equipment hole, and pressure equipment hole aperture is greater than the shaft hole aperture, be equipped with the oil blanket lid in the pressure equipment hole, both constitute the tight fit, oil blanket lid outward flange and pressure equipment hole pore wall constitute laser welding and are connected. According to the sealing process for press fitting by using the gear and the oil seal cover component and welding on the surface of the component, all machining before press fitting of the gear can be completed according to a conventional process, so that the production efficiency is greatly improved, and the machining difficulty and the production cost are reduced.
详细信息 下载全文

申请号:201911334253.1 公开号:CN110974624A 主分类号:A61H1/02
申请人:【中文】吉林大学【EN】Jilin University 申请日:2019.12.23 公开日:2020.04.10
摘要:【中文】本发明公开了一种双腿屈曲姿态驱动辅助装置,包括底座,底座上安装有支撑柱和安装台,支撑柱和安装台上安装有承托板,安装台两侧安装有轴套,转轴与轴套转动配合,转轴两端固定连接圆盘,圆盘上设有调节机构,调节机构连接固定轴,固定轴上转动配合有脚托,底座上设有动力机构和按摩机构,动力机构通过传动带和转轴连接,调节机构包括开设在圆盘外侧面的滑槽,滑槽端面之间安装有导向杆和丝杠,导向杆上滑动配合有与丝杠转动配合的滑块,本发明通过调节机构控制患者双腿的最大弯曲角度,通过动力机构控制患者双腿的弯曲速度,避免了训练过程中产生二次受伤,通过按摩机构对腿部进行按摩,避免长时间训练导致肌肉酸痛。 【EN】The invention discloses a double-leg flexion posture driving auxiliary device, which comprises a base, wherein a supporting column and an installation platform are installed on the base, a bearing plate is installed on the supporting column and the installation platform, shaft sleeves are installed on two sides of the installation platform, a rotating shaft is rotationally matched with the shaft sleeves, discs are fixedly connected with two ends of the rotating shaft, an adjusting mechanism is arranged on each disc, the adjusting mechanism is connected with a fixed shaft, a foot rest is rotationally matched on the fixed shaft, a power mechanism and a massage mechanism are arranged on the base, the power mechanism is connected with the rotating shaft through a transmission belt, the adjusting mechanism comprises a sliding chute arranged on the outer side surface of each disc, a guide rod and a lead screw are installed between the end surfaces of the sliding chutes, and a sliding block rotationally matched with the lead screw is slidably matched on the guide rod. Massage the legs through the massage mechanism, avoid long-time training to lead to muscle ache.
详细信息 下载全文

申请号:201911163998.6 公开号:CN110950344A 主分类号:C01B33/12
摘要:【中文】本发明属于绿色建筑材料领域,尤其涉及一种用于生产自清洁玻璃的二氧化硅改性材料及制备方法,其特征在于:所述二氧化硅改性材料的原料配方包括铜源、络合物、二氧化硅,硫源、氨水、无水乙醇和水,其中铜源中摩尔质量的Cu2+:硫源中S2+=1:1,络合物与Cu2+的质量比为1:0.32~3.2,二氧化硅SiO2与络合物质量比为2:1;二氧化硅与硫源中S2+比例为2:0.1‑1,水分三份使用,氨水与第二次水质量体积比为3‑5:50,第一份水与第二份水用量相同,第三份水和无水乙醇若干。本发明中改性后的SiO2制备自清洁玻璃利用光催化原理进行自洁,无需再镀膜处理,从而克服了自清洁玻璃膜层不耐磨易损坏的问题。 【EN】The invention belongs to the field of green building materials, and particularly relates to a silicon dioxide modified material for producing self-cleaning glass and a preparation method thereof, which are characterized in that: the raw material formula of the silicon dioxide modified material comprises a copper source, a complex, silicon dioxide, a sulfur source, ammonia water, absolute ethyl alcohol and water, wherein Cu with molar mass in the copper source2+: s in sulfur source2+1:1, complex with Cu2+In a mass ratio of 1: 0.32-3.2, silicon dioxide SiO2The mass ratio of the complex to the complexing substance is 2: 1; s in silica and sulfur source2+The proportion is 2: 0.1-1, using three parts of water, wherein the mass volume ratio of ammonia water to secondary water is 3-5: 50, the first part of water and the second part of water are the same in dosage, and the third part of water and absolute ethyl alcohol are a plurality of. The self-cleaning glass prepared from the modified SiO2 is self-cleaned by utilizing the photocatalysis principle without coating, thereby overcoming the defect that the self-cleaning glass film is not wear-resistantThe damage is easy to occur.
详细信息 下载全文

443 条,当前第 1-10 条 下一页 最后一页 返回搜索页