CN219384496U - Round billet sample clamping tool lifting appliance - Google Patents

Round billet sample clamping tool lifting appliance Download PDF

Info

Publication number
CN219384496U
CN219384496U CN202320722714.8U CN202320722714U CN219384496U CN 219384496 U CN219384496 U CN 219384496U CN 202320722714 U CN202320722714 U CN 202320722714U CN 219384496 U CN219384496 U CN 219384496U
Authority
CN
China
Prior art keywords
fixedly connected
round billet
billet sample
clamping
connecting rod
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.)
Active
Application number
CN202320722714.8U
Other languages
Chinese (zh)
Inventor
杨俊生
杨英杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Yongxinsheng Heavy Industry Co ltd
Original Assignee
Shanxi Yongxinsheng Heavy Industry Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanxi Yongxinsheng Heavy Industry Co ltd filed Critical Shanxi Yongxinsheng Heavy Industry Co ltd
Priority to CN202320722714.8U priority Critical patent/CN219384496U/en
Application granted granted Critical
Publication of CN219384496U publication Critical patent/CN219384496U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Manipulator (AREA)

Abstract

The utility model discloses a round billet sample clamping tool lifting tool in the lifting tool field, which comprises a connecting frame, a hanging ring, an adjusting mechanism and a clamping and fixing mechanism, wherein the hanging ring is fixedly connected to the middle position of the left side and the right side of the top of the connecting frame, the adjusting mechanism is fixedly connected to the inside of the connecting frame, the round billet sample clamping tool lifting tool drives a mounting plate to descend through the extension of an electric telescopic rod, so that a connecting rod deflects to approach, the clamping rod deflects to clamp a round billet sample, the whole sleeve is driven to descend, when an extruding plate is contacted with the round billet sample, the connecting rod drives a limiting plate to ascend in the sleeve to extrude an extruding spring, the extruding plate clamps and fixes the round billet sample through the reaction force of the extruding spring, thus reinforcing two ends of the round billet sample, avoiding the round billet sample from falling down caused by shaking in the lifting process, and reducing the potential safety hazard.

Description

Round billet sample clamping tool lifting appliance
Technical Field
The utility model relates to the technical field of lifting appliances, in particular to a round billet sample clamping tool lifting appliance.
Background
The round billet is a blank for rolling pipes and bars, the round billet produced by rolling steel is required to be turned smooth on the surface of a round billet sample by a lathe after the sample is sawed, the weight of the round billet sample is heavy, and the round billet sample can be transported to the lathe by using a clamping lifting tool to carry out subsequent processing.
The existing clamping work clamp clamps round billet samples only by means of an arc clamping plate, and does not have other methods for reinforcing the round billet samples, when the round billet samples are lifted, the round billet samples cannot be balanced in the air due to left-right shaking of the device, the round billet samples are heavier, and even the round billet samples fall down due to long-time shaking, so that potential safety hazards are increased, and the round billet sample clamping tool lifting tool is provided.
Disclosure of Invention
The utility model aims to provide a round billet sample clamping tool lifting appliance, which aims to solve the problems that in the prior art, the current clamping working clamp clamps the round billet sample only by using an arc clamping plate, other methods do not exist for reinforcing the round billet sample, when the round billet sample is lifted, the round billet sample cannot be balanced in the air due to left and right shaking of the device, the round billet sample is heavier, and even the round billet sample falls down due to long-time shaking, so that the potential safety hazard is increased.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circle base sample clamping frock hoist, includes link, adjustment mechanism and centre gripping fixed establishment, link fixedly connected in side middle part position department about the link top, adjustment mechanism fixedly connected in inside the link, centre gripping fixed establishment fixedly connected in the adjustment mechanism bottom, centre gripping fixed establishment includes rotating turret, connecting rod, clamping lever, mounting panel, electric telescopic handle, sleeve, extrusion spring, limiting plate, connecting rod and extrusion plate, adjustment mechanism bottom symmetry fixedly connected with rotating turret, the inside connecting rod that is connected with of rotating turret through pivot symmetry rotation, the connecting rod bottom is connected with the clamping lever through the pivot rotation, rotate through the pivot between the clamping lever and be connected with the mounting panel, mounting panel top middle part fixedly connected with electric telescopic handle, mounting panel bottom middle part fixedly connected with sleeve, inside top fixedly connected with extrusion spring of sleeve, extrusion spring bottom fixedly connected with limiting plate, limiting plate bottom middle part fixedly connected with connecting rod, connecting rod bottom fixedly connected with extrusion plate.
As a further description of the above technical solution:
the top of the electric telescopic rod is fixedly connected to the middle part of the bottom of the adjusting mechanism, and the input end of the electric telescopic rod is fixedly connected with the output end of an external power supply.
As a further description of the above technical solution:
the limiting plate is in sliding connection with the inside of the sleeve, and the outer side wall of the limiting plate is attached to the inner side wall of the sleeve.
As a further description of the above technical solution:
the adjusting mechanism comprises a bidirectional threaded rod, a rotary table, a fixing hole, a bolt, a moving block, a limiting groove, an L-shaped block and a clamping plate, wherein the middle part of the left side and the right side of an inner cavity of the connecting frame is connected with the bidirectional threaded rod in a penetrating mode, the right end of the bidirectional threaded rod is fixedly connected with the rotary table, the right side of the rotary table and the right side of the connecting frame are all provided with the fixing hole in a penetrating mode, the bolt is connected with the inside of the fixing hole in a sliding mode, the outer side of the bidirectional threaded rod is provided with the moving block through threaded symmetry threaded connection, the middle part of the top of the front side and the rear side of the moving block is fixedly connected with the limiting groove, the middle part of the side bottom of the moving block is mutually far away from, the L-shaped block is fixedly connected with the clamping plate.
As a further description of the above technical solution:
the limiting block is slidably connected inside the limiting groove, and the outer side of the limiting block is attached to the inner side wall of the limiting groove.
As a further description of the above technical solution:
the clamping and fixing mechanism is positioned between the inner sides of the two clamping plates, and the bottom of the moving block is fixedly connected with the clamping and fixing mechanism.
Compared with the prior art, the utility model has the beneficial effects that:
1. this circle base sample clamping frock hoist, the extension through electric telescopic handle drives the mounting panel and descends, make the connecting rod deflect and be close to, thereby make the clamping lever deflect and be close to, carry out the centre gripping to the circle base sample, the decline of mounting panel simultaneously, drive the sleeve and wholly descend, when stripper plate and circle base sample contact, make the connecting rod drive the limiting plate at the inside rising of sleeve, extrude extrusion spring, reaction force through extrusion spring, make the stripper plate carry out the centre gripping to the circle base sample fixedly, thereby consolidate circle base sample both ends, avoid leading to the circle base sample to drop because of rocking in the lifting by crane, promote the stability of transport, reduce the potential safety hazard.
2. This circle base sample clamping frock hoist through rotating the carousel, drives bi-directional threaded rod and rotates, utilizes the cooperation of stopper and spacing groove, makes the movable block steadily remove to make two movable blocks be close to each other, adjust according to the length of circle base sample, make the application scope of device better, hoisting device's practicality makes L type piece drive splint be close to, and it is fixed to carry out the centre gripping at circle base sample both ends, fixes circle base sample, adds the reinforcement method, makes the transport hoist and mount more stable, promotes the security.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a round billet sample clamping tool lifting appliance provided by the utility model;
fig. 2 is a schematic structural diagram of a clamping and fixing mechanism of a round billet sample clamping tool lifting tool provided by the utility model;
fig. 3 is a schematic structural diagram of an adjusting mechanism of a round billet sample clamping tool lifting appliance provided by the utility model;
fig. 4 is a schematic left view of a clamping and fixing mechanism of a round billet sample clamping tool lifting tool according to the utility model.
In the figure: 100. a connecting frame; 200. hanging rings; 300. an adjusting mechanism; 310. a two-way threaded rod; 320. a turntable; 321. a fixing hole; 322. a plug pin; 330. a moving block; 340. a limiting block; 350. a limit groove; 360. an L-shaped block; 370. a clamping plate; 400. a clamping and fixing mechanism; 410. a rotating frame; 420. a connecting rod; 430. a clamping rod; 440. a mounting plate; 450. an electric telescopic rod; 460. a sleeve; 470. extruding a spring; 480. a limiting plate; 490. a connecting rod; 491. and extruding the plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a round billet sample clamping tool lifting appliance, which is used for reinforcing two ends of a round billet sample, avoiding the round billet sample from falling down due to shaking in the lifting process, improving the stability of carrying and reducing potential safety hazards, and referring to fig. 1-4, the round billet sample clamping tool lifting appliance comprises a connecting frame 100, a hanging ring 200, an adjusting mechanism 300 and a clamping and fixing mechanism 400;
referring again to fig. 1, the connection frame 100 is used for installing a fixing hanging ring 200, an adjusting mechanism 300 and a clamping fixing mechanism 400;
referring to fig. 1 again, the hanging ring 200 is fixedly connected to the middle positions of the left and right sides of the top of the connecting frame 100, and is used for connecting with a steel cable, the adjusting mechanism 300 is fixedly connected to the inside of the connecting frame 100, the distance between the clamping and fixing mechanism 400 is adjusted according to the length of the round billet sample, the clamping and fixing mechanism 400 is fixedly connected to the bottom of the adjusting mechanism 300, and the round billet sample is stably clamped to avoid dropping;
referring again to fig. 2, the clamping fixture 400 includes a turret 410, a connecting rod 420, a clamping rod 430, a mounting plate 440, an electric telescopic rod 450, a sleeve 460, a compression spring 470, a limiting plate 480, a connecting rod 490, and a compression plate 491;
referring to fig. 2 again, the bottom of the adjusting mechanism 300 is symmetrically and fixedly connected with a rotating frame 410, the inside of the rotating frame 410 is symmetrically and rotatably connected with a connecting rod 420 through a rotating shaft, the bottom ends of the connecting rods 420 are rotatably connected with clamping rods 430 through rotating shafts, the clamping rods 430 are rotatably connected through rotating shafts, mounting plates 440 are fixedly connected between the rotating shafts, and the middle part of the top end of each mounting plate 440 is fixedly connected with an electric telescopic rod 450;
referring to fig. 2 again, a sleeve 460 is fixedly connected to the middle of the bottom of the mounting plate 440, an extrusion spring 470 is fixedly connected to the top of the inside of the sleeve 460, a limiting plate 480 is fixedly connected to the bottom end of the extrusion spring 470, a connecting rod 490 is fixedly connected to the middle of the bottom end of the limiting plate 480, and an extrusion plate 491 is fixedly connected to the bottom end of the connecting rod 490.
In summary, through the extension of the electric telescopic rod 450, the mounting plate 440 is driven to descend, so that the connecting rod 420 deflects to approach, so that the clamping rod 430 deflects to approach, the round billet sample is clamped, meanwhile, the mounting plate 440 descends, the sleeve 460 is driven to wholly descend, when the extrusion plate 491 contacts with the round billet sample, the connecting rod 490 drives the limit plate 480 to ascend inside the sleeve 460, the extrusion spring 470 is extruded, the extrusion plate 491 clamps and fixes the round billet sample through the reaction force of the extrusion spring 470, and therefore the round billet sample is reinforced at two ends, the round billet sample is prevented from falling due to shaking in the lifting process, the stability of carrying is improved, and the potential safety hazard is reduced.
Referring to fig. 2 again, the top end of the electric telescopic rod 450 is fixedly connected to the middle of the bottom of the adjusting mechanism 300, and the input end of the electric telescopic rod 450 is fixedly connected to the output end of the external power source.
Referring again to fig. 2, the limiting plate 480 is slidably connected to the inside of the sleeve 460, and the outer sidewall of the limiting plate 480 is attached to the inner sidewall of the sleeve 460.
Referring to fig. 3 again, the adjusting mechanism 300 includes a bidirectional threaded rod 310, a turntable 320, a fixing hole 321, a bolt 322, a moving block 330, a limiting block 340, a limiting groove 350, an L-shaped block 360 and a clamping plate 370, wherein the middle part of the left side and the right side of the inner cavity of the connecting frame 100 is penetrated and rotationally connected with the bidirectional threaded rod 310, the right end of the bidirectional threaded rod 310 is fixedly connected with the turntable 320, the right side of the turntable 320 and the right side of the connecting frame 100 are penetrated and provided with the fixing hole 321, the bolt 322 is slidingly connected with the inside of the fixing hole 321, the outer side of the bidirectional threaded rod 310 is in threaded symmetry and is in threaded connection with the moving block 330, the middle part of the top of the moving block 330 is fixedly connected with the limiting groove 340, the middle part of the front side and the rear side of the inner cavity of the connecting frame 100 is provided with the limiting groove 350, the moving block 330 is mutually far away from the middle part of the bottom of the side and the L-shaped block 360 is fixedly connected with the clamping plate 370.
Referring to fig. 3 again, the limiting block 340 is slidably connected inside the limiting groove 350, and the outer side of the limiting block 340 is attached to the inner side wall of the limiting groove 350.
Referring to fig. 3 again, the clamping fixture 400 is located between the inner sides of the two clamping plates 370, and the bottom of the moving block 330 is fixedly connected to the clamping fixture 400.
In summary, through rotating carousel 320, drive bi-directional threaded rod 310 and rotate, utilize the cooperation of stopper 340 and spacing groove 350, make movable block 330 stable removal, thereby make two movable blocks 330 be close to each other, adjust according to the length of round billet sample, make the application scope of device better, the practicality of hoisting device, make L type piece 360 drive splint 370 be close to, carry out the centre gripping to round billet sample both ends and fix, fix round billet sample, add the reinforcement method, make the transport hoist and mount more stable, promote the security.
When the wire rope hanger is used specifically, when a person in the technical field is clamped and carried, the turntable 320 is rotated to drive the bidirectional threaded rod 310 to rotate, the limiting block 340 and the limiting groove 350 are matched to enable the moving blocks 330 to move stably, so that the two moving blocks 330 are close to each other, the length of the round billet sample is adjusted, the L-shaped block 360 drives the clamping plate 370 to be close to each other, two ends of the round billet sample are clamped and fixed, the round billet sample is fixed, the bolt 322 is inserted into the fixing hole 321 to fix the turntable 320, then the electric telescopic rod 450 is started, the mounting plate 440 is driven to descend to enable the connecting rod 420 to deflect to be close to enable the clamping rod 430 to deflect to be close to the round billet sample, the mounting plate 440 is lowered to drive the sleeve 460 to descend integrally, when the extruding plate 491 contacts with the round billet sample, the connecting rod 490 drives the limiting plate 480 to ascend inside the sleeve 460 to extrude the extruding spring 470, the round billet sample is clamped by the reacting force of the extruding plate 470, and the round billet sample is clamped at two ends of the round billet sample is reinforced, the hanger is connected with the hanger 200, and the hanger is connected with the hanger is started.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. A round billet sample clamping tool lifting appliance is characterized in that: including link (100), link (200), adjustment mechanism (300) and centre gripping fixed establishment (400), link (200) fixed connection in link (100) top left and right sides middle part position department, adjustment mechanism (300) fixed connection in link (100) is inside, centre gripping fixed establishment (400) fixed connection in adjustment mechanism (300) bottom, centre gripping fixed establishment (400) include rotating frame (410), connecting rod (420), clamp lever (430), mounting panel (440), electric telescopic handle (450), sleeve (460), extrusion spring (470), limiting plate (480), connecting rod (490) and extrusion plate (491), adjustment mechanism (300) bottom symmetry fixedly connected with rotating frame (410), rotating frame (410) inside is connected with connecting rod (420) through pivot symmetry rotation, connecting rod (420) bottom is connected with clamp lever (430) through pivot rotation, through pivot rotation connection between clamp lever (430), and fixedly connected with mounting panel (440) between the pivot, electric telescopic handle (440) top fixedly connected with electric telescopic handle (460) top end, mounting panel (470) top fixedly connected with electric telescopic handle (440), telescopic handle (440) inside is connected with top fixed connection sleeve (470), the extrusion spring (470) bottom fixedly connected with limiting plate (480), limiting plate (480) bottom middle part fixedly connected with connecting rod (490), connecting rod (490) bottom fixedly connected with extrusion plate (491).
2. The round billet sample clamping tool lifting tool according to claim 1, wherein: the top end of the electric telescopic rod (450) is fixedly connected to the middle part of the bottom of the adjusting mechanism (300), and the input end of the electric telescopic rod (450) is fixedly connected with the output end of an external power supply.
3. The round billet sample clamping tool lifting tool according to claim 1, wherein: the limiting plate (480) is slidably connected inside the sleeve (460), and the outer side wall of the limiting plate (480) is attached to the inner side wall of the sleeve (460).
4. The round billet sample clamping tool lifting tool according to claim 1, wherein: adjustment mechanism (300) are including two-way threaded rod (310), carousel (320), fixed orifices (321), bolt (322), movable block (330), stopper (340), spacing groove (350), L type piece (360) and splint (370), the rotation is connected with two-way threaded rod (310) in the middle part about link (100) inner chamber, two-way threaded rod (310) right-hand member fixedly connected with carousel (320), carousel (320) right side with fixed orifices (321) have all been seted up in link (100) right side run through, fixed orifices (321) inside sliding connection has bolt (322), movable block (330) have been passed through threaded symmetry spiro union in the two-way threaded rod (310) outside, stopper (340) have been fixedly connected with in the middle part in the front and back side of movable block (330), spacing groove (350) have been seted up in the middle part in the front and back side of link (100), movable block (330) keep away from side bottom middle part fixedly connected with L type piece (360) each other, L type piece (360) bottom fixedly connected with splint (370).
5. The round billet sample clamping tool lifting tool according to claim 4, wherein: the limiting block (340) is slidably connected inside the limiting groove (350), and the outer side of the limiting block (340) is attached to the inner side wall of the limiting groove (350).
6. The round billet sample clamping tool lifting tool according to claim 4, wherein: the clamping and fixing mechanism (400) is positioned between the inner sides of the two clamping plates (370), and the bottom of the moving block (330) is fixedly connected with the clamping and fixing mechanism (400).
CN202320722714.8U 2023-04-04 2023-04-04 Round billet sample clamping tool lifting appliance Active CN219384496U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320722714.8U CN219384496U (en) 2023-04-04 2023-04-04 Round billet sample clamping tool lifting appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320722714.8U CN219384496U (en) 2023-04-04 2023-04-04 Round billet sample clamping tool lifting appliance

Publications (1)

Publication Number Publication Date
CN219384496U true CN219384496U (en) 2023-07-21

Family

ID=87196614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320722714.8U Active CN219384496U (en) 2023-04-04 2023-04-04 Round billet sample clamping tool lifting appliance

Country Status (1)

Country Link
CN (1) CN219384496U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118495332A (en) * 2024-04-02 2024-08-16 宜昌港务集团有限责任公司 Hoisting equipment for ship cargo transportation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118495332A (en) * 2024-04-02 2024-08-16 宜昌港务集团有限责任公司 Hoisting equipment for ship cargo transportation

Similar Documents

Publication Publication Date Title
CN219384496U (en) Round billet sample clamping tool lifting appliance
CN210972948U (en) Novel automatic carrying device
CN215287700U (en) Installation auxiliary mechanism for steel structure building construction
CN116142953A (en) Hoisting mechanism for building aluminum alloy templates with different widths
CN204899800U (en) Manual cargo wire line coring drilling rod holder
CN210735516U (en) Transfer device of silver melting crucible
CN211895045U (en) Material clamping mechanical device
CN210340124U (en) Scroll handling equipment of convenient centre gripping
CN112093652A (en) Concrete pipe lifting appliance and lifting method thereof
CN112454261A (en) Transmission shaft sliding fork press-fitting tool
CN215974585U (en) Aligning type lifting appliance
CN220116043U (en) Special fixture of turning around of cylinder graphite rod
CN220564118U (en) Lifting appliance for workpiece machining
CN220684449U (en) Thrust wheel hoist mechanism
CN215854648U (en) Engineering machine tool structure hangs commentaries on classics device
CN214570248U (en) Mould material moving device
CN117326442A (en) Hydraulic cylinder processing site transfer device
CN221165574U (en) Adjustable mechanical housing spare part processing hoist
CN218426696U (en) Assembly and connection assembly of telescopic rod lead screw and outer barrel
CN220618155U (en) Graphite crucible lifting appliance
CN221644363U (en) Lifting appliance for disc and strip-shaped part
CN217756486U (en) Lifting appliance for machining and transferring movable arm of excavator
CN219034084U (en) Construction device for cross column joint of building steel structure
CN221370223U (en) Electrode lifting appliance
CN218491247U (en) Manually adjusted multifunctional roller lifting appliance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant