CN114934411A - Track slab vacuum chuck and track slab transportation device - Google Patents
Track slab vacuum chuck and track slab transportation device Download PDFInfo
- Publication number
- CN114934411A CN114934411A CN202210589456.0A CN202210589456A CN114934411A CN 114934411 A CN114934411 A CN 114934411A CN 202210589456 A CN202210589456 A CN 202210589456A CN 114934411 A CN114934411 A CN 114934411A
- Authority
- CN
- China
- Prior art keywords
- track
- positioning pin
- vacuum
- vacuum chuck
- track plate
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a railway construction technical field especially relates to a track board vacuum chuck and track board conveyer. This track board vacuum chuck includes: the sucking disc body is used for sucking the track slab; the vacuum pump system is arranged on the sucker body and provides suction force for the sucker body; the positioning pin assembly is arranged on the sucker body and is in inserted fit with the filling hole in the track plate; and a protective sleeve is arranged between the positioning pin assembly and the filling hole. This vacuum chuck passes through the setting of sucking disc body and vacuum pump system, can simplify the work flow of transportation track board, only need place the sucking disc body on the track board, then utilize vacuum pump system's work to fix the track board with the sucking disc body absorption, can realize the purpose of removing the track board through hoist and mount sucking disc body, a lot of manual operation has been reduced, security when can improving effectively and remove the track board, the improvement that is showing transports the work efficiency of track board.
Description
Technical Field
The utility model relates to a railway construction technical field especially relates to a track board vacuum chuck and track board conveyer.
Background
With the continuous development of the construction level of the high-speed railway in China, the structural form of a ballastless track is generally adopted, and at present, a plurality of high-speed railways use III-type track plates to support and fix steel rails.
However, when the track slab is hoisted, transported, laid and the like, 4 hoisting rings on the side face of the track slab need to be utilized, the track slab is hoisted by using a steel wire rope in a mode of installing a hoisting ring, a bolt and a shackle and is transported to a specified position, and in the whole process, the number of steps needing manual operation is large, so that the efficiency is low, and the safety is very poor.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the same, the present disclosure provides a track slab vacuum chuck and a track slab transporting device.
In a first aspect, the present disclosure provides a track slab vacuum chuck comprising:
the sucking disc body is used for sucking the track slab;
the vacuum pump system is arranged on the sucker body and provides suction force for the sucker body; and
the positioning pin assembly is mounted on the sucker body and is in inserted fit with the filling hole in the track plate; and a protective sleeve is arranged between the positioning pin assembly and the filling hole.
Optionally, the positioning pin assembly includes a positioning pin seat and a positioning pin, the positioning pin seat is installed on the suction cup body, the positioning pin is installed on the positioning pin seat, and the protecting sleeve is installed on the positioning pin.
Optionally, the positioning pin seat and the positioning pin are coaxially arranged.
Optionally, the locating pin seat and the locating pin are in concave-convex fit through a connector assembly, the connector assembly comprises a male plug and a female socket which are in plug-in fit, one of the male plug and the female socket is arranged on the locating pin seat, and the other is arranged on the locating pin.
Optionally, the male plug is in threaded engagement with the female socket.
Optionally, the protection sleeve includes a nylon sleeve, and the nylon sleeve is sleeved on the end of the positioning pin.
Optionally, the nylon sleeve is mounted on the locating pin through a bolt, and a counter bore matched with the bolt is formed in the nylon sleeve.
Optionally, a pressing block is arranged in the counter bore, and the pressing block is arranged between the bolt and the nylon sleeve.
Optionally, a vacuum seal assembly is arranged between the sucker body and the track plate, and the vacuum seal assembly comprises a seal groove and a seal strip which are annularly arranged; the sealing strip is installed in the sealing groove, and with the track board laminating sets up, vacuum seal assembly is provided with the multiunit, every group in the vacuum seal assembly the girth of sealing groove is all inequality, every group vacuum seal assembly according to the girth of sealing groove is from big to little order, by outer to interior range upon range of cover establish, adjacent two sets of form the cavity of a circle between the vacuum seal assembly and be used for providing the negative pressure environment.
In a second aspect, the present disclosure provides a track slab transportation device comprising a track slab vacuum chuck as described above.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the track plate vacuum chuck provided by the disclosure can simplify the working process of transporting track plates by arranging the chuck body and the vacuum pump system, the purpose of moving the track plates can be realized by lifting the chuck body only by placing the chuck body on the track plates and then adsorbing and fixing the chuck body on the track plates by utilizing the work of the vacuum pump system, a plurality of manual operations are reduced, the safety of moving the track plates can be effectively improved, the working efficiency of transporting the track plates is obviously improved, the chuck body can be quickly and accurately positioned to an adsorption position by arranging the positioning pin component and the protecting sleeve, so that the working effect of the chuck body is better, the adsorption is firmer, the protecting sleeve can also well protect the positioning pin component, when the positioning pin component is stressed, the energy absorption and buffering can be carried out through the protecting sleeve, and the safety of transporting the track plates is further ensured, and the positioning pin assembly and the protective sleeve can also provide supporting force and friction force for the fixed track plate, so that the stability of the track plate during transportation is better.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the embodiments or technical solutions in the prior art description will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a track slab vacuum chuck according to an embodiment of the present disclosure;
fig. 2 is a partially enlarged view of a point a in fig. 1.
Wherein, 1, a sucker body; 2. a vacuum pump system; 3. a dowel assembly; 31. positioning a pin boss; 32. positioning pins; 41. a male plug; 42. a female socket; 5. a nylon sleeve; 6. a bolt; 7. a track plate; 81. a sealing groove; 82. a sealing strip; 9. and (7) briquetting.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
With the continuous development of the construction level of the high-speed railway in China, the structural form of a ballastless track is generally adopted, and at present, a plurality of high-speed railways use III-type track plates to support and fix steel rails.
However, when the track slab is hoisted, transported, laid and the like, 4 hoisting rings on the side face of the track slab need to be utilized, the track slab is hoisted by using a steel wire rope in a mode of installing a hoisting ring, a bolt and a shackle and is transported to a specified position, and in the whole process, the number of steps needing manual operation is large, so that the efficiency is low, and the safety is very poor.
Based on this, the embodiment provides a track slab vacuum chuck and a track slab transportation device, through the arrangement of the chuck body and the vacuum pump system, the work flow of transporting the track slab can be simplified, only the chuck body needs to be placed on the track slab, then the chuck body is adsorbed and fixed on the track slab by using the work of the vacuum pump system, the purpose of moving the track slab can be realized by hoisting the chuck body, a lot of manual operations are reduced, the safety in moving the track slab can be effectively improved, the work efficiency of transporting the track slab is obviously improved, the arrangement of the positioning pin assembly and the protecting sleeve can enable the chuck body to be quickly and accurately positioned at the adsorption position, thereby the work effect of the chuck body is better, the adsorption is firmer, the protecting sleeve can also well protect the positioning pin assembly, when the positioning pin assembly is stressed, energy absorption and buffering can be carried out through the protecting sleeve, the safety when further guaranteeing the transportation track board to dowel subassembly and lag also can provide holding power and frictional force for the fixed track board, make the stability of track board when the transportation better. This is illustrated in detail by the following specific examples:
referring to fig. 1 and 2, the present embodiment provides a track slab vacuum chuck including: the sucking disc body 1 is used for sucking the track plate 7; the vacuum pump system 2 is arranged on the sucker body 1 and provides adsorption force for the sucker body 1; the positioning pin assembly 3 is arranged on the sucker body 1 and is in inserted fit with the filling hole in the track plate 7; a protective sleeve is arranged between the positioning pin component 3 and the filling hole.
Through the arrangement of the sucker body 1 and the vacuum pump system 2, the work flow of transporting the track plate 7 can be simplified, the goal of moving the track plate 7 can be realized by hoisting the sucker body 1 only by placing the sucker body 1 on the track plate 7 and then fixing the sucker body 1 to the track plate 7 by adsorbing by the work of the vacuum pump system 2, a plurality of manual operations are reduced, the safety of moving the track plate 7 can be effectively improved, the work efficiency of transporting the track plate 7 is obviously improved, the sucker body 1 can be quickly and accurately positioned to the adsorption position by arranging the positioning pin assembly 3 and the protecting sleeve, so that the working effect of the sucker body 1 is better, the adsorption is firmer, the protecting sleeve can also well protect the positioning pin assembly 3, when the positioning pin assembly 3 is stressed, the energy absorption and buffering can be carried out through the protecting sleeve, and the safety of transporting the track plate 7 is further ensured, and the locating pin subassembly 3 and lag also can provide holding power and frictional force for fixed track board 7, make the stability of track board 7 when the transportation better.
In some embodiments, the positioning pin assembly 3 includes a positioning pin seat 31 and a positioning pin 32, the positioning pin seat 31 is installed on the suction cup body 1, it should be noted that the positioning pin seat 31 can be detachably connected with the suction cup body 1 by a thread, a snap connection, etc., so as to facilitate the maintenance and replacement of the positioning pin seat 31, meanwhile, the positioning pin seat 31 can also be directly welded on the suction cup body 1, the positioning pin 32 is installed on the positioning pin seat 31, a protection sleeve is installed on the positioning pin 32, through the split design of the positioning pin seat 31 and the positioning pin seat 32, the positioning pin seat 31 and the positioning pin seat 32 can be timely replaced and maintained according to requirements, in addition, when one of them is damaged, another part can be reserved, and the later maintenance cost is reduced.
In a further embodiment, the positioning pin seat 31 and the positioning pin 32 are coaxially arranged, the coaxially arranged positioning pin seat 31 and the coaxially arranged positioning pin 32 can be better in mechanical property, and it should be noted that the positioning pin seat 31 can also be arranged at the middle position of the suction cup body 1, so that the vacuum suction cup can be more stable when carrying the track plate 7, and the occurrence of a lateral deviation in the air is not easy.
Continuing to refer to fig. 1 and fig. 2, locating pin seat 31 and locating pin 32 are through the unsmooth cooperation of joint Assembly, joint Assembly is including pegging graft complex public plug 41 and female socket 42, one of public plug 41 and female socket 42 sets up on locating pin seat 31, another sets up on locating pin 32, through the setting of public plug 41 and female socket 42, can make locating pin seat 31 and locating pin 32's connection more stable, be difficult to rock, and can also utilize public plug 41 and female socket 42 to fix a position, can set up the chamfer on public plug 41 and the female socket 42, more make things convenient for the two to connect.
In some embodiments, the male plug 41 is in threaded fit with the female socket 42, the positioning pin seat 31 and the positioning pin 32 are connected in a threaded fit manner of the male plug 41 and the female socket 42, so that the connection structure of the positioning pin seat 31 and the positioning pin 32 can be simplified, the male plug 41 and the female socket 42 can play a positioning role and can also play a role in stabilizing and connecting the positioning pin seat 31 and the positioning pin 32, and the structure is stable and reliable, simple and easy to process.
With reference to fig. 1 and fig. 2, the protecting cover comprises a nylon sleeve 5, the nylon sleeve 5 is sleeved on the end portion of the positioning pin 32, and the elastic nylon sleeve 5 is arranged, so that the service life of the positioning pin 32 is longer, the deformation and the damage are less prone to occurring, and the maintenance cost in the later period is reduced.
During concrete realization, nylon cover 5 is installed on locating pin 32 through bolt 6, set up on nylon cover 5 with 6 complex counterbores of bolt, through bolt 6 connection nylon cover 5 and locating pin 32, can be in nylon cover 5 impaired or ageing back more convenient change, simultaneously, through the setting of counterbores, can make the terminal surface of nylon cover 5 level and more smooth more
In some embodiments, a pressing block 9 is arranged in the counter bore, the pressing block 9 is arranged between the bolt 6 and the nylon sleeve 5, and by means of the arrangement of the pressing block 9, the contact area between the bolt 6 and the nylon sleeve 5 can be indirectly increased through the pressing block 9, so that the connection between the bolt 6 and the nylon sleeve 5 is firmer.
With continued reference to fig. 1 and 2, a vacuum seal assembly is arranged between the suction cup body 1 and the track plate 7, and the vacuum seal assembly comprises a seal groove 81 and a seal strip 82 which are annularly arranged; sealing strip 82 installs in seal groove 81, and set up with the laminating of track board 7, vacuum seal assembly is provided with the multiunit, the girth of seal groove 81 in every group vacuum seal assembly is all inequality, every group vacuum seal assembly is according to the girth of seal groove 81 from big to little order, establish by outer to interior range upon range of cover, form the ring chamber between two sets of adjacent vacuum seal assemblies and be used for providing negative pressure environment, setting through vacuum seal assembly, the work that can make vacuum chuck is more reliable and more stable, reduce the probability that track board 7 dropped on the way in the transport.
It should be noted that, vacuum pump system 2 includes the extraction opening, the vacuum pump, vacuum filter, vacuum solenoid valve and vacuum table, the extraction opening sets up in one side of sucking disc body 1 towards track board 7, the vacuum pump is used for taking out the air of the intracavity of extraction opening intercommunication, vacuum filter is arranged in the impurity of filtered air, in order to prolong vacuum pump system 2's life, guarantee vacuum pump system 2's operational reliability, vacuum solenoid valve is used for controlling opening of gas circuit and stops, the vacuum table can show the pressure value of vacuum cavity, so that the audio-visual observation sucking disc body 1 of workman adsorbs the real-time condition of track board 7, judge dangerous emergence in advance, in order to guarantee workman's personal safety.
The present disclosure also provides a track slab transportation device comprising the track slab vacuum chuck as described above.
The specific implementation manner and implementation principle are the same as those of the above embodiments, and can bring the same or similar technical effects, and are not described in detail herein, and reference may be made to the description of the above track slab vacuum chuck embodiment.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A track plate vacuum chuck, comprising:
the sucker body (1) is used for sucking the track plate (7);
the vacuum pump system (2) is arranged on the sucker body (1) and provides adsorption force for the sucker body (1); and
the positioning pin assembly (3) is mounted on the sucker body (1) and is in plug-in fit with the pouring hole in the track plate (7); a protective sleeve is arranged between the positioning pin assembly (3) and the filling hole.
2. Track plate vacuum chuck according to claim 1, wherein said dowel assembly (3) comprises a dowel seat (31) and a dowel pin (32), said dowel seat (31) being mounted on said chuck body (1), said dowel pin (32) being mounted on said dowel seat (31), said boot being mounted on said dowel pin (32).
3. Track plate vacuum chuck according to claim 2, wherein said positioning pin seat (31) and said positioning pin (32) are coaxially arranged.
4. A track plate vacuum chuck according to claim 2, wherein the locating pin boss (31) and the locating pin (32) are male-female fitted by means of a joint assembly comprising a male plug (41) and a female socket (42) which are plug-fitted, one of the male plug (41) and the female socket (42) being provided on the locating pin boss (31) and the other on the locating pin (32).
5. A track plate vacuum chuck according to claim 4, characterized in that the male plug (41) is screw-fitted with the female socket (42).
6. The track plate vacuum chuck as claimed in claim 2, wherein the protecting sleeve is a nylon sleeve (5), and the nylon sleeve (5) is sleeved on the end of the positioning pin (32).
7. The track slab vacuum chuck as claimed in claim 6, wherein the nylon sleeve (5) is mounted on the positioning pin (32) through a bolt (6), and a counter bore matched with the bolt (6) is formed in the nylon sleeve (5).
8. The track plate vacuum chuck as claimed in claim 7, wherein a pressing block (9) is arranged in the counter bore, and the pressing block (9) is arranged between the bolt (6) and the nylon sleeve (5).
9. The track plate vacuum chuck according to any one of claims 1 to 8, wherein a vacuum seal assembly is arranged between the chuck body (1) and the track plate (7), and the vacuum seal assembly comprises an annularly arranged seal groove (81) and a seal strip (82); the sealing strip (82) is installed in the sealing groove (81) and is attached to the track plate (7), the vacuum sealing assemblies are provided with multiple groups, each group of vacuum sealing assemblies is provided with different circumferences of the sealing groove (81), each group of vacuum sealing assemblies are sleeved from outside to inside in a stacking mode according to the sequence that the circumferences of the sealing grooves (81) are from large to small, and a circular cavity is formed between every two adjacent groups of vacuum sealing assemblies and used for providing a negative pressure environment.
10. A track slab transportation apparatus comprising the track slab vacuum chuck of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589456.0A CN114934411A (en) | 2022-05-26 | 2022-05-26 | Track slab vacuum chuck and track slab transportation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589456.0A CN114934411A (en) | 2022-05-26 | 2022-05-26 | Track slab vacuum chuck and track slab transportation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114934411A true CN114934411A (en) | 2022-08-23 |
Family
ID=82865736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210589456.0A Pending CN114934411A (en) | 2022-05-26 | 2022-05-26 | Track slab vacuum chuck and track slab transportation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114934411A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202539483U (en) * | 2012-03-16 | 2012-11-21 | 上海皮尔博格有色零部件有限公司 | Location pin for riser core mould |
| CN203641242U (en) * | 2014-01-02 | 2014-06-11 | 无锡倍安杰机械科技有限公司 | Retaining device for nylon protector of positioning pin |
| DE202017002647U1 (en) * | 2017-05-17 | 2017-08-28 | Ten Sheng Assorted Houseware Co., Ltd. | suction cup device |
| CN208583970U (en) * | 2018-03-19 | 2019-03-08 | 科华控股股份有限公司 | Suction pouring casting mold center positioning device |
| CN213141114U (en) * | 2020-09-10 | 2021-05-07 | 无锡市尚领石英科技有限公司 | Lifting appliance for moving quartz crucible |
| CN214526740U (en) * | 2020-12-21 | 2021-10-29 | 天津荣盛盟固利新能源科技有限公司 | Lithium ion battery module carrying sucker |
| CN216155278U (en) * | 2021-09-16 | 2022-04-01 | 孙军叶 | Sucking disc with shirt rim |
| CN114321140A (en) * | 2021-12-21 | 2022-04-12 | 苏州绿的谐波传动科技股份有限公司 | Vacuum negative pressure adsorption device and multi-legged robot |
-
2022
- 2022-05-26 CN CN202210589456.0A patent/CN114934411A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202539483U (en) * | 2012-03-16 | 2012-11-21 | 上海皮尔博格有色零部件有限公司 | Location pin for riser core mould |
| CN203641242U (en) * | 2014-01-02 | 2014-06-11 | 无锡倍安杰机械科技有限公司 | Retaining device for nylon protector of positioning pin |
| DE202017002647U1 (en) * | 2017-05-17 | 2017-08-28 | Ten Sheng Assorted Houseware Co., Ltd. | suction cup device |
| CN208583970U (en) * | 2018-03-19 | 2019-03-08 | 科华控股股份有限公司 | Suction pouring casting mold center positioning device |
| CN213141114U (en) * | 2020-09-10 | 2021-05-07 | 无锡市尚领石英科技有限公司 | Lifting appliance for moving quartz crucible |
| CN214526740U (en) * | 2020-12-21 | 2021-10-29 | 天津荣盛盟固利新能源科技有限公司 | Lithium ion battery module carrying sucker |
| CN216155278U (en) * | 2021-09-16 | 2022-04-01 | 孙军叶 | Sucking disc with shirt rim |
| CN114321140A (en) * | 2021-12-21 | 2022-04-12 | 苏州绿的谐波传动科技股份有限公司 | Vacuum negative pressure adsorption device and multi-legged robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019085319A1 (en) | Battery swapping transporting device | |
| US10550728B2 (en) | Assembly for the removal, transportation, and maintenance of a turbine engine | |
| CN200985246Y (en) | High-power heavy type steam turbine rotor vertical hoisting tool | |
| CN114934411A (en) | Track slab vacuum chuck and track slab transportation device | |
| CN102513812B (en) | Bearing detaching device | |
| CN205294243U (en) | A sucking disc for transport of PCB board | |
| CN216426003U (en) | Snatch reliable automatic stacking mechanical arm | |
| CN213141114U (en) | Lifting appliance for moving quartz crucible | |
| CN204434049U (en) | A kind of new type auto permanent magnetic lifter | |
| CN210339551U (en) | A sucking disc device that is used for work piece to transport to have from closing function | |
| CN106041450A (en) | Assembling device for bottle inserting needle and conduit | |
| CN210003597U (en) | furnace lining quick push-out device | |
| CN219929346U (en) | Battery module transfer mechanism | |
| CN216511412U (en) | Garbage incinerator rail grabbing device | |
| CN112499507A (en) | Mechanical carrying and hoisting device for petroleum pipeline installation | |
| CN215169902U (en) | Flexible unloading device for pumping well | |
| CN110844758A (en) | Electric precipitation anode plate installation hoisting accessory of power plant | |
| CN220078323U (en) | Steel coil lifting device | |
| CN218340655U (en) | Sideslip device | |
| CN216687120U (en) | Transfer device for automatic welding equipment of automobile body | |
| CN218231652U (en) | A electric block for taking food level stainless steel dust cover in clean workshop | |
| CN202164040U (en) | Simple hanger for steel pipe columns | |
| CN219990878U (en) | Segment carrying vacuum chuck device | |
| CN210884930U (en) | Special fixture suitable for prefabricated utility tunnel section of jurisdiction of burst formula | |
| CN206783129U (en) | A kind of main steam isolation valve valve rod tool special for hoisting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |