CN105836653A - Reversing lifting device for gear transmission - Google Patents
Reversing lifting device for gear transmission Download PDFInfo
- Publication number
- CN105836653A CN105836653A CN201610344297.2A CN201610344297A CN105836653A CN 105836653 A CN105836653 A CN 105836653A CN 201610344297 A CN201610344297 A CN 201610344297A CN 105836653 A CN105836653 A CN 105836653A
- Authority
- CN
- China
- Prior art keywords
- gear
- tooth bar
- lifting platform
- lifting
- driven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/03—Lifting jacks with pinion and rack
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a reversing lifting device for gear transmission. A first lifting table and a second lifting table are in transmission connection through a gear transmission assembly. A linear drive assembly is connected with the gear transmission assembly so as to provide power for the gear transmission assembly. The first lifting table and the second lifting table ascend and descend relative to a base through the gear transmission assembly, the lifting direction of the first lifting table and the lifting direction of the second lifting table are opposite, and the first lifting table and the second lifting table are both provided with at least two guide assemblies. By means of the gear transmission assembly, the two lifting tables can well ascend and descend alternately, so in the lifting process of one lifting table, articles can be placed on the other lifting table by a carrying manipulator, and carrying efficiency is improved. In order to improve operation stability of the lifting tables, the guide assemblies are arranged at different angles, lifting stability of the lifting tables is improved, lifting efficiency is guaranteed, and meanwhile carrying safety is improved.
Description
Technical field
The invention belongs to gear transmission technology field, especially relate to a kind of gear-driven reverse lowering or hoisting gear.
Background technology
In production practices or goods transportation we be frequently encountered some batch article are carried; at present when carrying; need to use single lowering or hoisting gear that it is carried; general employing conveying robot places items within lowering or hoisting gear; lifting transport is carried out again by lowering or hoisting gear, but, during lowering or hoisting gear rises; easily there is free time in conveying robot, affects handling efficiency.And if use two lowering or hoisting gears, then often due to the lifting process of two lowering or hoisting gears can not be orderly carrying out, easily cause lifting step inaccurate, cause mechanical hand that faulty operation occurs, not only affect handling efficiency, and, there is safe hidden danger.
Therefore, how to design a kind of reversely lowering or hoisting gear, in order to meet the step moment contrast of the two, in order to improve the handling efficiency of mechanical hand, be that carrying, logistics field compare concern.
Summary of the invention
The present invention is directed to existing technical problem, a kind of gear-driven reverse lowering or hoisting gear is provided, it is by arranging gear-driven assembly, can be good at achieving the alternately lifting of two lifting platforms, so, during a lifting platform rises, conveying robot can place items within another lifting platform, improve handling efficiency, and, the present invention is in order to improve the stability of operating elevating platform, it is provided with guidance set from all angles, improve the stability of its lifting, it is ensured that while the efficiency of lifting, improve the safety of carrying.
For achieving the above object, the present invention provides following technical scheme: a kind of gear-driven reverse lowering or hoisting gear, it is characterized in that, it includes base, lifting platform one, lifting platform two, gear-driven assembly and linear drives assembly, wherein, described gear-driven assembly is used to be attached transmission between described lifting platform one and lifting platform two, and described linear drives assembly is connected with described gear-driven assembly, to provide power for described gear-driven assembly, by described gear-driven assembly, the position making described lifting platform one described base relative with lifting platform two lifts, and lifting in opposite direction between described lifting platform one and described lifting platform two, and it is provided with at least two group guidance sets on described lifting platform one and lifting platform two.
nullFurther，As preferably，Described gear-driven assembly includes gear one、Gear two、Gear three、Tooth bar one and tooth bar two，Wherein，The lower end of described tooth bar one is provided with lower guide rod，Lower guide pin bushing it is provided with on described base，Described lower guide rod is slidably matched in described lower guide pin bushing，The lower end of described tooth bar one is provided with connecting plate normal thereto，Connect on described connecting plate and have described linear drives assembly，Tooth bar one described in described linear drives Component driver moves up and down，Described linear drives assembly is arranged on described base，The rear end of described tooth bar one is provided with contiguous block，The rear end of described contiguous block is provided with rear slider，It is arranged on the bracing frame on base and is provided with vertical rear chute，It is slidably matched in described rear slider chute in the rear，The side of described tooth bar one is provided with side slide，It is provided with outside framework on described base，Described side slide is slidably matched in the sideslip groove on described outside framework，The upper end of described tooth bar one is fixing with described lifting platform one to be connected，Described tooth bar one and described gear one engaged transmission，Described gear one and described gear two engaged transmission，Described gear two and described gear three engaged transmission，And described gear one and gear three lay respectively at the two ends of described gear two，Described gear three and described tooth bar two engaged transmission；Described tooth bar two lower end be also equipped with lower guide rod, the position of corresponding described base is provided with the lower guide pin bushing coordinated with this lower guide rod, the rear end of described tooth bar two is also equipped with contiguous block, the rear end of contiguous block is also equipped with rear slider, it is arranged on the bracing frame on base and is provided with vertical rear chute, it is slidably matched in described rear slider chute in the rear, the side of described tooth bar two is provided with side slide, described side slide is slidably matched in the sideslip groove on described outside framework, and the upper end of described tooth bar two is fixing with described lifting platform two to be connected；Being provided with vertical upper gathering sill on support frame as described above, be provided with upper guide bush in described upper gathering sill, the lower end of described lifting platform one and described lifting platform two is provided with top guide bar, and described top guide bar is slidably matched in respective described upper guide bush.
Further, as preferably, the lower surface of described lifting platform one and lifting platform two being provided with limit switch, described limit switch is connected with the controller of described cylinder.
Further, as preferably, described rear slider is T font slide block.
Further, as preferably, described gear one, gear two and gear three are identical gear.
Further, as preferably, described tooth bar one and tooth bar two are identical tooth bar.
Further, as preferably, the flank of tooth of described gear one, gear two, gear three, tooth bar one and tooth bar two is provided with wear-resistant coating.
Further, as preferably, described linear drives assembly is cylinder, oil cylinder or hydraulic cylinder.
Compared with prior art, the invention has the beneficial effects as follows:
It is by arranging gear-driven assembly, can be good at achieving the alternately lifting of two lifting platforms, so, during a lifting platform rises, conveying robot can place items within another lifting platform, improve handling efficiency, and, the present invention is in order to improve the stability of operating elevating platform, it is provided with guidance set from all angles, improve the stability of its lifting, it is ensured that while the efficiency of lifting, improve the safety of carrying.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of gear-driven reverse lowering or hoisting gear of the present invention；
Wherein, 1-base, 2, bracing frame, 3, outside framework, 4, gear one, 5, gear two, 6, gear three, 7, lifting platform one, 8, lifting platform two, 9, tooth bar one, 10, tooth bar two, 11, side slide, 12, contiguous block, 13, rear slider, 14, rear chute, 15, linear drives assembly, 16, lower guide pin bushing, 17, lower guide rod, 18, connecting plate, 19, upper guide bush, 20, top guide bar, 21, limit switch.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, the present invention provides a kind of technical scheme: a kind of gear-driven reverse lowering or hoisting gear, it is characterized in that, it includes base 1, lifting platform 1, lifting platform 28, gear-driven assembly and linear drives assembly, wherein, described gear-driven assembly is used to be attached transmission between described lifting platform one and lifting platform two, and described linear drives assembly 15 is connected with described gear-driven assembly, to provide power for described gear-driven assembly, by described gear-driven assembly, the position making described lifting platform one described base relative with lifting platform two lifts, and lifting in opposite direction between described lifting platform one and described lifting platform two, and it is provided with at least two group guidance sets on described lifting platform one and lifting platform two.
nullIn the present embodiment，Described gear-driven assembly includes gear 1、Gear 25、Gear 36、Tooth bar 1 and tooth bar 2 10，Wherein，The lower end of described tooth bar 1 is provided with lower guide rod 17，Lower guide pin bushing 16 it is provided with on described base 1，Described lower guide rod 17 is slidably matched in described lower guide pin bushing 16，The lower end of described tooth bar 1 is provided with connecting plate 18 normal thereto，Connect on described connecting plate 18 and have described linear drives assembly 15，Described linear drives assembly 15 drives described tooth bar 1 to move up and down，Described linear drives assembly is arranged on described base 1，The rear end of described tooth bar 1 is provided with contiguous block 12，The rear end of described contiguous block is provided with rear slider 13，Vertical rear chute 14 it is provided with on the bracing frame 2 being arranged on base，It is slidably matched in described rear slider chute in the rear，The side of described tooth bar 1 is provided with side slide 11，It is provided with outside framework 3 on described base 1，Described side slide 11 is slidably matched in the sideslip groove on described outside framework 3，The upper end of described tooth bar 1 is fixing with described lifting platform 1 to be connected，Described tooth bar 1 and described gear 1 engaged transmission，Described gear 1 and described gear 25 engaged transmission，Described gear 25 and described gear 36 engaged transmission，And described gear 1 and gear 36 lay respectively at the two ends of described gear 25，Described gear 36 and described tooth bar 2 10 engaged transmission；Described tooth bar 2 10 lower end be also equipped with lower guide rod 17, the position of corresponding described base is provided with the lower guide pin bushing coordinated with this lower guide rod, the rear end of described tooth bar 2 10 is also equipped with contiguous block, the rear end of contiguous block is also equipped with rear slider, it is arranged on the bracing frame on base and is provided with vertical rear chute, it is slidably matched in described rear slider chute in the rear, the side of described tooth bar 2 10 is provided with side slide 11, described side slide 11 is slidably matched in the sideslip groove on described outside framework, the upper end of described tooth bar 2 10 is fixing with described lifting platform 28 to be connected；Being provided with vertical upper gathering sill on support frame as described above 2, be provided with upper guide bush in described upper gathering sill, the lower end of described lifting platform one and described lifting platform two is provided with top guide bar 20, and described top guide bar 20 is slidably matched in respective described upper guide bush 19.
Additionally, be provided with limit switch 21 on the lower surface of described lifting platform 1 and lifting platform 28, described limit switch 21 is connected with the controller of described cylinder.Described rear slider 13 is T font slide block.Described gear one, gear two and gear three are identical gear.Described tooth bar one and tooth bar two are identical tooth bar.It is provided with wear-resistant coating on the flank of tooth of described gear one, gear two, gear three, tooth bar one and tooth bar two.Described linear drives assembly is cylinder, oil cylinder or hydraulic cylinder.
When carrying out oscilaltion, moved up and down by linear drives Component driver tooth bar one, and then drive gear one, gear two, gear three engaged transmission, moving up and down, so of the rotational band carry-over bar two of gear three, through gear drive, the ascending motion of tooth bar one will be converted into the descending motion of tooth bar two, and vice versa, and this gear drive can ensure that step is contrary the moment, and the guidance set arranged, it is possible to well improve the stability of its motion.
The present invention is by arranging gear-driven assembly, can be good at achieving the alternately lifting of two lifting platforms, so, during a lifting platform rises, conveying robot can place items within another lifting platform, improve handling efficiency, and, the present invention is in order to improve the stability of operating elevating platform, it is provided with guidance set from all angles, improve the stability of its lifting, it is ensured that while the efficiency of lifting, improve the safety of carrying.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can carry out multiple change without departing from the principles and spirit of the present invention, revise, replace and modification, the scope of the present invention be defined by the appended.
Claims (8)
1. a gear-driven reverse lowering or hoisting gear, it is characterized in that, it includes base, lifting platform one, lifting platform two, gear-driven assembly and linear drives assembly, wherein, described gear-driven assembly is used to be attached transmission between described lifting platform one and lifting platform two, and described linear drives assembly is connected with described gear-driven assembly, to provide power for described gear-driven assembly, by described gear-driven assembly, the position making described lifting platform one described base relative with lifting platform two lifts, and lifting in opposite direction between described lifting platform one and described lifting platform two, and it is provided with at least two group guidance sets on described lifting platform one and lifting platform two.
nullThe gear-driven reverse lowering or hoisting gear of one the most according to claim 1，It is characterized in that: described gear-driven assembly includes gear one、Gear two、Gear three、Tooth bar one and tooth bar two，Wherein，The lower end of described tooth bar one is provided with lower guide rod，Lower guide pin bushing it is provided with on described base，Described lower guide rod is slidably matched in described lower guide pin bushing，The lower end of described tooth bar one is provided with connecting plate normal thereto，Connect on described connecting plate and have described linear drives assembly，Tooth bar one described in described linear drives Component driver moves up and down，Described linear drives assembly is arranged on described base，The rear end of described tooth bar one is provided with contiguous block，The rear end of described contiguous block is provided with rear slider，It is arranged on the bracing frame on base and is provided with vertical rear chute，It is slidably matched in described rear slider chute in the rear，The side of described tooth bar one is provided with side slide，It is provided with outside framework on described base，Described side slide is slidably matched in the sideslip groove on described outside framework，The upper end of described tooth bar one is fixing with described lifting platform one to be connected，Described tooth bar one and described gear one engaged transmission，Described gear one and described gear two engaged transmission，Described gear two and described gear three engaged transmission，And described gear one and gear three lay respectively at the two ends of described gear two，Described gear three and described tooth bar two engaged transmission；Described tooth bar two lower end be also equipped with lower guide rod, the position of corresponding described base is provided with the lower guide pin bushing coordinated with this lower guide rod, the rear end of described tooth bar two is also equipped with contiguous block, the rear end of contiguous block is also equipped with rear slider, it is arranged on the bracing frame on base and is provided with vertical rear chute, it is slidably matched in described rear slider chute in the rear, the side of described tooth bar two is provided with side slide, described side slide is slidably matched in the sideslip groove on described outside framework, and the upper end of described tooth bar two is fixing with described lifting platform two to be connected；Being provided with vertical upper gathering sill on support frame as described above, be provided with upper guide bush in described upper gathering sill, the lower end of described lifting platform one and described lifting platform two is provided with top guide bar, and described top guide bar is slidably matched in respective described upper guide bush.
The gear-driven reverse lowering or hoisting gear of one the most according to claim 1, it is characterised in that: being provided with limit switch on the lower surface of described lifting platform one and lifting platform two, described limit switch is connected with the controller of described cylinder.
The gear-driven reverse lowering or hoisting gear of one the most according to claim 1, it is characterised in that: described rear slider is T font slide block.
The gear-driven reverse lowering or hoisting gear of one the most according to claim 1, it is characterised in that: described gear one, gear two and gear three are identical gear.
The gear-driven reverse lowering or hoisting gear of one the most according to claim 1, it is characterised in that: described tooth bar one and tooth bar two are identical tooth bar.
The gear-driven reverse lowering or hoisting gear of one the most according to claim 1, it is characterised in that: it is provided with wear-resistant coating on the flank of tooth of described gear one, gear two, gear three, tooth bar one and tooth bar two.
8. according to the gear-driven reverse lowering or hoisting gear of the one described in claim 1-7 any one, it is characterised in that: described linear drives assembly is cylinder, oil cylinder or hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344297.2A CN105836653B (en) | 2016-05-23 | 2016-05-23 | A kind of gear-driven reversed lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344297.2A CN105836653B (en) | 2016-05-23 | 2016-05-23 | A kind of gear-driven reversed lifting device |
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| Publication Number | Publication Date |
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| CN105836653A true CN105836653A (en) | 2016-08-10 |
| CN105836653B CN105836653B (en) | 2018-11-30 |
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| CN201610344297.2A Active CN105836653B (en) | 2016-05-23 | 2016-05-23 | A kind of gear-driven reversed lifting device |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365071A (en) * | 2016-11-01 | 2017-02-01 | 芜湖市恒浩机械制造有限公司 | Multi-unit synchronous lifting machine |
| CN106542459A (en) * | 2016-11-01 | 2017-03-29 | 郭新胜 | A kind of on-pole switch is installed and uses high reliability lowering or hoisting gear |
| CN106869531A (en) * | 2017-02-27 | 2017-06-20 | 湖北阳超机电科技有限公司 | A kind of lift police stand |
| CN107253689A (en) * | 2017-06-21 | 2017-10-17 | 贵州航天南海科技有限责任公司 | A kind of push-pull device at fixed of conveying mechanism |
| CN107838077A (en) * | 2017-11-28 | 2018-03-27 | 芜湖瑞和机电有限公司 | A kind of multiaspect brush machine of efficient energy-saving |
| CN107954366A (en) * | 2017-11-29 | 2018-04-24 | 江西省互电气有限公司 | A kind of electrical equipment easy to use plays stage |
| CN107984366A (en) * | 2017-11-28 | 2018-05-04 | 芜湖瑞和机电有限公司 | A kind of energy-efficient multiaspect brush machine automatic control system |
| CN107984352A (en) * | 2017-11-28 | 2018-05-04 | 芜湖瑞和机电有限公司 | A kind of energy-efficient uninterrupted brush machine |
| CN108000339A (en) * | 2017-11-28 | 2018-05-08 | 芜湖瑞和机电有限公司 | A kind of double-station crankcase brush machine automatic control system |
| CN108273703A (en) * | 2018-04-03 | 2018-07-13 | 宁波梦神床垫机械有限公司 | Fully-automatic intelligent mattress glue spraying equipment |
| CN108519265A (en) * | 2018-04-12 | 2018-09-11 | 浙江裕立检测科技有限公司 | Compaction test apparatus |
| CN108813966A (en) * | 2018-04-09 | 2018-11-16 | 吴晓丽 | A kind of ENT doctor sees diagnostic table |
| CN109382810A (en) * | 2018-12-20 | 2019-02-26 | 山东新活新材料科技有限公司 | A kind of portable rack of caravan aluminum accessory research and development |
| CN112008869A (en) * | 2020-08-26 | 2020-12-01 | 王焕军 | Prevent rocking stable adjusting device of slip casting machine of off tracking |
| CN112141946A (en) * | 2020-09-30 | 2020-12-29 | 张俊杰 | Automobile reciprocating lifting device |
| CN113829659A (en) * | 2021-10-08 | 2021-12-24 | 宣城市博思特日用品有限公司 | Double-layer composite heat-insulation paper cup combined production device |
| CN113916443A (en) * | 2021-10-08 | 2022-01-11 | 安徽科技学院 | Air pressure sensor detection device |
| CN114184343A (en) * | 2021-11-29 | 2022-03-15 | 安徽科技学院 | Easy-to-dismount peripheral self-protection impact testing equipment for gear characteristic research |
| CN116730189A (en) * | 2023-08-11 | 2023-09-12 | 山西路桥建设集团有限公司 | Heavy object hoisting device for highway engineering |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365071A (en) * | 2016-11-01 | 2017-02-01 | 芜湖市恒浩机械制造有限公司 | Multi-unit synchronous lifting machine |
| CN106542459A (en) * | 2016-11-01 | 2017-03-29 | 郭新胜 | A kind of on-pole switch is installed and uses high reliability lowering or hoisting gear |
| CN106542459B (en) * | 2016-11-01 | 2019-01-25 | 郭新胜 | A kind of on-pole switch installation high reliability lifting device |
| CN106869531A (en) * | 2017-02-27 | 2017-06-20 | 湖北阳超机电科技有限公司 | A kind of lift police stand |
| CN107253689A (en) * | 2017-06-21 | 2017-10-17 | 贵州航天南海科技有限责任公司 | A kind of push-pull device at fixed of conveying mechanism |
| CN107984366A (en) * | 2017-11-28 | 2018-05-04 | 芜湖瑞和机电有限公司 | A kind of energy-efficient multiaspect brush machine automatic control system |
| CN107984352A (en) * | 2017-11-28 | 2018-05-04 | 芜湖瑞和机电有限公司 | A kind of energy-efficient uninterrupted brush machine |
| CN108000339A (en) * | 2017-11-28 | 2018-05-08 | 芜湖瑞和机电有限公司 | A kind of double-station crankcase brush machine automatic control system |
| CN107838077A (en) * | 2017-11-28 | 2018-03-27 | 芜湖瑞和机电有限公司 | A kind of multiaspect brush machine of efficient energy-saving |
| CN107954366A (en) * | 2017-11-29 | 2018-04-24 | 江西省互电气有限公司 | A kind of electrical equipment easy to use plays stage |
| CN108273703A (en) * | 2018-04-03 | 2018-07-13 | 宁波梦神床垫机械有限公司 | Fully-automatic intelligent mattress glue spraying equipment |
| CN108813966A (en) * | 2018-04-09 | 2018-11-16 | 吴晓丽 | A kind of ENT doctor sees diagnostic table |
| CN108519265A (en) * | 2018-04-12 | 2018-09-11 | 浙江裕立检测科技有限公司 | Compaction test apparatus |
| CN109382810A (en) * | 2018-12-20 | 2019-02-26 | 山东新活新材料科技有限公司 | A kind of portable rack of caravan aluminum accessory research and development |
| CN112008869A (en) * | 2020-08-26 | 2020-12-01 | 王焕军 | Prevent rocking stable adjusting device of slip casting machine of off tracking |
| CN112008869B (en) * | 2020-08-26 | 2021-07-13 | 嘉兴金旅燕科技有限公司 | Prevent rocking stable adjusting device of slip casting machine of off tracking |
| CN112141946A (en) * | 2020-09-30 | 2020-12-29 | 张俊杰 | Automobile reciprocating lifting device |
| CN112141946B (en) * | 2020-09-30 | 2022-04-19 | 江苏跃立智能科技有限公司 | Automobile reciprocating lifting device |
| CN113829659A (en) * | 2021-10-08 | 2021-12-24 | 宣城市博思特日用品有限公司 | Double-layer composite heat-insulation paper cup combined production device |
| CN113916443A (en) * | 2021-10-08 | 2022-01-11 | 安徽科技学院 | Air pressure sensor detection device |
| CN114184343A (en) * | 2021-11-29 | 2022-03-15 | 安徽科技学院 | Easy-to-dismount peripheral self-protection impact testing equipment for gear characteristic research |
| CN114184343B (en) * | 2021-11-29 | 2023-10-17 | 安徽科技学院 | Gear characteristic research is with easy dismouting around self-protection's impact test equipment |
| CN116730189A (en) * | 2023-08-11 | 2023-09-12 | 山西路桥建设集团有限公司 | Heavy object hoisting device for highway engineering |
| CN116730189B (en) * | 2023-08-11 | 2023-10-27 | 山西路桥建设集团有限公司 | Heavy object hoisting device for highway engineering |
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| CN105836653B (en) | 2018-11-30 |
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