CN220033891U - Material lifting device for manual operation - Google Patents
Material lifting device for manual operation Download PDFInfo
- Publication number
- CN220033891U CN220033891U CN202320906724.7U CN202320906724U CN220033891U CN 220033891 U CN220033891 U CN 220033891U CN 202320906724 U CN202320906724 U CN 202320906724U CN 220033891 U CN220033891 U CN 220033891U
- Authority
- CN
- China
- Prior art keywords
- lifting
- lifting mechanism
- rod
- packing material
- material container
- 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
Links
- 238000012856 packing Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 230000003028 elevating effect Effects 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000001965 increasing effect Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to a manual operation material lifting device which comprises a device body, wherein a lifting mechanism is arranged on the device body in a lifting sliding manner, a packing material container is arranged on the lifting mechanism, a push rod is arranged on the lifting mechanism and is abutted against the packing material container to lift one end of the packing material container, a retaining plate is arranged on the lifting mechanism and is used for being abutted against the packing material container, a lifting regulator is arranged on the lifting mechanism and is used for regulating the height of the lifting mechanism, and a worker can regulate the height of the lifting mechanism according to the height of the worker, so that the height of the packing material container is regulated, the bending frequency of the worker in the working process is reduced, the labor intensity of the worker is reduced, and the working efficiency is increased.
Description
Technical Field
The utility model relates to the field of lifting mechanisms, in particular to a material lifting device for manual operation.
Background
In the manual packaging process, the packing materials are generally placed on a vehicle or on the ground, and workers need to repeatedly bend over and over in a continuous mode in the carrying process, so that fatigue is easily felt, and the working efficiency of the workers is influenced.
Disclosure of Invention
In order to improve the working efficiency, the utility model provides a material lifting device for manual operation.
The utility model provides a material lifting device for manual operation, which adopts the following technical scheme:
the utility model provides a manual operation material elevating gear, includes the device body, it has elevating system to go up and down to slide on the device body, be equipped with the packing material container on the elevating system, the packing material container supplies the packing material to place, be equipped with the ejector pin on the elevating system, the ejector pin butt the packing material container will the one end of packing material container lifts up, be equipped with the butt board on the elevating system, the butt board is used for supplying the packing material container supports and leans on, be equipped with the lifting regulator on the elevating system, the lifting regulator is used for adjusting elevating system's height.
Through adopting above-mentioned technical scheme, when in actual use, the workman can be according to self height adjustment elevating system to adjust the height of packing material container, reduce workman's frequency of bowing in the course of the work, be favorable to reducing workman intensity of labour, increase work efficiency. And after the packing material container is placed to the lifting mechanism, the packing material container is jacked up through the ejector rod, so that the opening of the packing material container faces to a worker, the worker can take the packing material more conveniently, and the working efficiency is further improved.
Preferably, the ejector rod is lifted and slipped on the lifting mechanism, a positioning component is arranged on the lifting mechanism, and the positioning component is used for positioning the ejector rod.
Through adopting above-mentioned technical scheme, at the during actual operation, every comfortable district that supplies the staff when getting the work piece all is different, through removing the ejector pin, adjusts the inclination of packing material container to make it keep the most suitable position of taking through locating component, be favorable to improving workman's work satisfaction.
Preferably, the midpoint of the side of the packing material container close to the ejector rod is abutted against the ejector rod, and the length of the side of the packing material container close to the ejector rod is parallel to the length of the retaining plate.
Through adopting above-mentioned technical scheme, make the ejector pin lift up the in-process of packing material container, the packing material container is difficult for taking place to empty, is favorable to improving the stability when the packing material container is lifted.
Preferably, the ejector rod comprises a lifting rod which is lifted and slipped on the lifting mechanism and a cross rod which is arranged on the lifting rod, and the cross rod is abutted with the packing material container.
Through adopting above-mentioned technical scheme, through horizontal pole butt packing material container, be favorable to increasing the area of contact between horizontal pole and the packing material container, when placing and placing the packing material container, make more easy the packing material container be close to the midpoint on one side of the ejector pin falls on the horizontal pole.
Preferably, the lifting regulator comprises a connecting rope arranged on the lifting mechanism, a rotator rotationally connected with the device main body, a rotating handle arranged on the rotator and a positioning piece arranged on the device main body, wherein the connecting rope is arranged above the lifting mechanism, the rotator is used for winding the connecting rope, and the positioning piece is used for positioning the rotator.
By adopting the technical scheme, when the height of the lifting mechanism is adjusted, the rotating handle is rotated, and drives the rotator to rotate to wind the connecting rope, so that the lifting mechanism moves upwards under the action of the tension of the connecting rope; the handle is reversely rotated, the rotating handle drives the rotator to rotate to unreel the connecting rope, and the lifting mechanism moves downwards under the action of self gravity. The lifting of the adjusting lifting mechanism is more convenient.
Preferably, the positioning piece is a positioning rod, the positioning rod slides into or out of a rotating path of the rotating handle, and the positioning rod is used for abutting the rotating handle and positioning.
Through adopting above-mentioned technical scheme, when in actual use, rotate the height of turning handle adjustment elevating system, after the regulation is accomplished, remove the locating lever and stretch into the rotation route of turning handle, turning handle butt locating lever can't continue to rotate, makes the twist grip static, and the taut elevating system of connecting rope is to elevating system location. The lifting mechanism can be positioned by moving the positioning rod, so that the positioning rod is more convenient.
Preferably, a wheel set is arranged on the device body, and the wheel set is used for hanging the connecting rope.
Through adopting above-mentioned technical scheme, through setting up the wheelset, can change the application of force direction, make when the installation circulator, can reduce the installation height of circulator, the workman rotates the circulator more convenient.
Preferably, the lifting mechanism comprises a sliding component which is lifted and slipped on the device body and a supporting frame which is arranged on the sliding component, wherein the supporting frame is provided with a reinforcing rib, and the reinforcing rib is connected with the sliding component.
Through adopting above-mentioned technical scheme, through setting up the strengthening rib, be favorable to increasing the joint strength between support frame and the subassembly that slides to be favorable to improving elevating system's life.
Preferably, the device body comprises a support arranged on the base and a support arranged on the base, the lifting mechanism is lifted and slipped on the base, and the projection of the support and the lifting mechanism in the vertical direction is positioned on the base.
Through adopting above-mentioned technical scheme to make the focus of support and elevating system department be located the base, make in the use, the device is difficult for taking place to empty, is favorable to improving the stability of device.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the lifting mechanism is arranged to drive the packing material container to lift, so that the bending frequency of workers in the working process is reduced, the labor intensity of the workers is reduced, and the working efficiency is improved. The method comprises the steps of carrying out a first treatment on the surface of the
2. The inclination angle of the packing material container is adjusted by moving the ejector rod, and the optimal taking position is kept by the positioning assembly, so that the work satisfaction of workers is improved;
3. through setting up the wheelset, can change the application of force direction, make when installing the circulator, can reduce the installation height of circulator, the workman rotates the circulator more convenient.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present embodiment.
Fig. 2 is a schematic partial structure of the present embodiment, mainly showing the structure of the sliding component.
Fig. 3 is an enlarged view of the portion a of fig. 1, mainly showing the structure of the positioning assembly.
Reference numerals illustrate: 1. a device body; 11. a base; 12. a bracket; 121. a slide rail; 122. a wheel set; 123. a pulley; 2. a lifting mechanism; 21. a support frame; 211. reinforcing ribs; 212. a placement groove; 22. a slip assembly; 221. a slide block; 222. a roller; 23. a retaining plate; 24. a positioning assembly; 241. a hoop; 2411. a connection port; 242. a locking member; 2421. an abutment; 3. a packing container; 4. a lifting regulator; 41. a connecting rope; 42. a rotator; 43. rotating the handle; 44. a positioning piece; 441. a positioning rod; 5. a push rod; 51. a lifting rod; 52. a cross bar; 6. brake castor.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a material lifting device for manual operation. Referring to fig. 1 and 2, a manual operation material lifting device includes a device body 1, the device body 1 includes a base 11 and a support 12, the support 12 is located above the base 11, the support 12 is fixedly connected with the base 11, and the projection of the support 12 in the vertical direction. The lifting mechanism 2 is connected to the lifting sliding of the support 12, the lifting mechanism 2 comprises a support frame 21 and a sliding component 22, the sliding component comprises a sliding block 221 and a rolling block 222, the rolling block 222 is located on two opposite sides of the support 12, the rotation axis of the rolling block 222 is perpendicular to the sliding direction of the sliding block 221, a sliding rail 121 is arranged on the support 12, the sliding block 121 is used for clamping the rolling block 222, and the sliding block 221 is lifted and slid on the support 12 along the extending direction of the sliding rail 121 through the matching between the rolling block 222 and the inner wall of the sliding rail 121.
Referring to fig. 1 and 2, the support 21 is located at a side of the slider 221 away from the support 12, the support 21 is fixedly connected with the slider 221, the support 21 slides on the support 12 through the cooperation between the slider 221, the roller 222 and the sliding rail 121, and the projection of the support 21 in the vertical direction is located in the base 11. The packing material container 3 is placed on the supporting frame 21, the packing material container 3 is used for placing packing materials, and the packing material container 3 is placed above the supporting frame 21. A lifting regulator 4 is fixed on the bracket 12, and the lifting regulator 4 is used for regulating the height of the sliding block 221.
Referring to fig. 1, the lifting adjuster 4 includes a connection rope 41, a rotator 42, a rotation handle 43 and a positioning member 44, the connection rope 41 is located above the support frame 21, the connection rope 41 is hinged to the support frame 21, the hinge axis of the connection rope 41 is horizontally arranged, the hinge axis of the connection rope 41 is perpendicular to the distribution direction of the support frame 12 and the support frame 21, a wheel set 122 is arranged on the support frame 12, the wheel set 122 includes two pulleys 123, the two pulleys 123 are located above the sliding blocks 221, the distribution direction of the two pulleys 123 is parallel to the distribution direction of the support frame 12 and the support frame 21, the two pulleys 123 are rotatably connected to the support frame 12, the rotation axis of the pulleys 123 is parallel to the hinge axis of the connection rope 41, the connection rope 41 is suspended on the two pulleys 123, one end of the connection rope 41 away from the support frame 21 is wound on the rotator 42, the rotator 42 is located below the pulleys 123, the rotator 42 is located on one side of the sliding blocks 221 away from the support frame 21, the rotation axis of the rotator 42 is parallel to the rotation axis of the pulleys 123, and the rotator 42 is used for stirring the connection rope 41. The rotating handle 43 is located on one side of the rotator 42, the distribution directions of the rotating handle 43 and the rotator 42 are parallel to the rotating axis of the rotator 42, the rotating handle 43 is fixedly connected with the rotator 42, and the rotating handle 43 rotates to drive the rotator 42 to retract and release the connecting rope 41.
Referring to fig. 1, the positioning member 44 is a positioning rod 441, the positioning rod 441 is located above the supporting frame 21, the positioning rod 441 is located on one side of the rotator 42 near the rotating handle 43, the positioning rod 441 is slidably connected to the bracket 12, the sliding direction of the positioning rod 441 is parallel to the rotating axis of the rotator 42, and the positioning rod 441 slidably extends into or out of the rotating path of the positioning rod 441. The positioning rod 441 is used to abut against the rotating handle 43 and restrict the rotation of the rotating handle 43, thereby positioning the rotator 42.
In practical use, the packing material container 3 is placed on the support frame 21, the packing materials to be taken and placed are all in the packing material container 3, the positioning rod 441 is moved in the direction away from the rotator 42, the positioning rod 441 is separated from the rotating path of the rotating handle 43, the rotating handle 43 is rotated in one direction, the rotating handle 43 rotates to drive the rotator 42 to rotate and wind up the connecting rope 41, the support frame 21 is under the tensile force of the connecting rope 41 to drive the sliding block 221 to move upwards, in the moving process, the sliding block 221 is not easy to deviate from the sliding track in the moving process because the inner wall of the sliding rail 121 is abutted with the roller 222, and after the height of the packing material container 3 is adjusted to be suitable for the height of a worker, the positioning rod 441 is moved in the direction close to the rotating handle 43, so that the positioning rod 441 stretches into the rotating path of the rotating handle 43 and is abutted with the rotating handle 43 to position the support frame 21.
If the height of the packing container 3 needs to be lowered, the positioning rod 441 is moved to extend the rotation path of the rotation handle 43, the rotation handle 43 is reversely rotated, the sliding block 221 and the supporting frame 21 move downwards under the action of gravity, and after the adjustment is completed, the positioning rod 441 is moved to extend the rotation path of the rotation handle 43 and be positioned.
Referring to fig. 1, a reinforcing rib 211 is fixed above a supporting frame 21, the reinforcing rib 211 is located on two opposite sides of the packing container 3, which are parallel to the hinge axis of the connecting rope 41, the two opposite ends of the reinforcing rib 211 are fixedly connected with a sliding block 221 and the supporting frame 21 respectively, the reinforcing rib 211 is in an inclined arrangement, the distance between the reinforcing rib 211 and the supporting frame 21 is gradually increased along the direction close to the sliding block 221, a placing groove 212 is formed by splicing the reinforcing rib 211 and the supporting frame 21, and the placing groove 212 is used for placing the packing container 3.
Referring to fig. 1 and 3, the support 21 is lifted and slipped with a top rod 5, the top rod 5 is located above the support 21, the top rod 5 is located at one side of the support 21 near the sliding block 221, the top rod 5 comprises a lifting rod 51 and a cross rod 52, the lifting rod 51 is lifted and slipped on the support 21, the cross rod 52 is located above the lifting rod 51, the length of the cross rod 52 is parallel to the hinge axis of the connecting rope 41, the connecting rope 41 is located at one side of the cross rod 52 far away from the mounting groove, and the cross rod 52 is used for abutting against the lower end face of the packing container 3 to lift the packing container 3. The support frame 21 is fixed with a retaining plate 23, the retaining plate 23 is located at one side of the packing material container 3 far away from the support frame 12, the length direction of the retaining plate 23 is parallel to the length direction of the cross rod 52, and the retaining plate 23 is used for abutting against one end of the packing material container 3 far away from the support frame 12. The cross bar 52 is cylindric, when the cross bar 52 lifts up the packing material container 3, and the packing material container 3 is close to the one side of cross bar 52 and is the butt line straight line, butt line part and cross bar 52 butt, and the length of butt line is parallel with the length of butt plate 23, and the projection of the midpoint of butt line in vertical direction is located on cross bar 52, is fixed with locating component 24 on the support frame 21, and locating component 24 is used for locating lifter 51.
Referring to fig. 1 and 3, the positioning assembly 24 includes a hoop 241 and a locking member 242, the hoop 241 is located above the support frame 21, the hoop 241 is fixedly connected with the support frame 21, the clamping hoop 241 is disposed around the periphery of the lifting rod 51, a connection port 2411 is formed in the hoop 241, the distribution direction of the connection port 2411 is parallel to the hinge axis of the connection rope 41, the locking member 242 penetrates through the connection port 2411 and the inner wall of the connection port 2411 to be in threaded connection with the locking member 242, the abutment member 2421 is used for abutting against one end of the connection port 2411 far away from the other connection port 2411, so that the distance between the two connection ports 2411 is gradually reduced, and the hoop 241 is contracted to abut against the lifting rod 51 to position the lifting rod 51. In this embodiment, the locking member 242 is a bolt, and the abutment member 2421 is a nut.
In practical use, in order to meet the requirement of operating to take the packing material, the inclination angle of the packing material container 3 needs to be adjusted, so that the packing material container 3 is located at the most suitable taking position, the locking piece 242 is rotated, the abutting piece 2421 moves towards the direction away from the locking piece 242, the distance between the two connecting ports 2411 is increased, the hoop 241 loosens the lifting rod 51, the length of the lifting rod 51 extending out of the upper part of the supporting frame 21 is adjusted, the inclination angle of the packing material container 3 is adjusted, after the adjustment is completed, the locking piece 242 is reversely rotated, the abutting piece 2421 moves towards the direction close to the locking piece 242, the clamp contracts to abut against the lifting rod 51 to position the lifting rod 51, and the packing material container 3 is supported by the transverse rod 52, so that the inclination angle of the packing material container 3 is positioned, the most suitable taking position is kept, and the satisfaction of the worker operation is improved.
Referring to fig. 1, the base 11 is further rotatably connected with a brake caster 6, so that the moving device is more convenient.
The implementation principle of the material lifting device for the manual operation in the embodiment of the utility model is as follows: in actual use, the connecting rope 41 is retracted and released through the rotation of the rotator 42, the height of the supporting frame 21 is adjusted, the height of the packing material container 3 placed on the supporting frame 21 is adapted to the height of a worker, and the supporting frame 21 is positioned through the matching between the positioning rod 441 and the rotating handle 43, the rotator 42, the connecting rope 41 and the supporting frame 21. The height that lifter 51 stretches out of support frame 21 is adjusted to the inclination angle of packing material container 3 through rotating retaining member 242 again and is fixed a position, makes the workman in the course of the work, and the position of packing material container 3 is located the most comfortable position of taking always, need not the staff and repeatedly bends to take, makes the convenience of taking, reduces staff's intensity of labour, improves work efficiency, improves workman's satisfaction.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides a manual operation material elevating gear, includes device body (1), its characterized in that: the device comprises a device body (1), wherein a lifting mechanism (2) is arranged on the lifting mechanism (2) in a lifting sliding manner, a packing material container (3) is arranged on the lifting mechanism (2), a push rod (5) is arranged on the lifting mechanism (2) for placing packing materials, the push rod (5) is abutted to the packing material container (3), one end of the packing material container (3) is lifted, a retaining plate (23) is arranged on the lifting mechanism (2), the retaining plate (23) is used for being used for supporting the packing material container (3) to abut against, a lifting regulator (4) is arranged on the device body (1), and the lifting regulator (4) is used for regulating the height of the lifting mechanism (2).
2. The hand-held operation material lifting device according to claim 1, wherein: the ejector rod (5) is lifted and slipped on the lifting mechanism (2), a positioning component (24) is arranged on the lifting mechanism (2), and the positioning component (24) is used for positioning the ejector rod (5).
3. A hand-held work material lifting device according to claim 2, wherein: the packing material container (3) is close to the midpoint of one side of the ejector rod (5) and is in butt joint with the ejector rod (5), and the length of one side of the packing material container (3) close to the ejector rod (5) is parallel to the length of the resisting plate (23).
4. A hand-held work material lifting device according to claim 3, wherein: the ejector rod (5) comprises a lifting rod (51) which is lifted and slipped on the lifting mechanism (2) and a cross rod (52) which is arranged on the lifting rod (51), and the cross rod (52) is abutted with the packing material container (3).
5. The hand-held operation material lifting device according to claim 1, wherein: the lifting regulator (4) comprises a connecting rope (41) arranged on the lifting mechanism (2), a rotator (42) rotationally connected to the device body (1), a rotating handle (43) arranged on the rotator (42) and a positioning piece (44) arranged on the device body (1), wherein the connecting rope (41) is arranged above the lifting mechanism (2), the rotator (42) is used for winding the connecting rope (41), and the positioning piece (44) is used for positioning the rotator (42).
6. The hand-operated material lifting device according to claim 5, wherein: the locating piece (44) is a locating rod (441), the locating rod (441) slides into or out of a rotating path of the rotating handle (43), and the locating rod (441) is used for abutting against the rotating handle (43) and locating.
7. The hand-operated material lifting device according to claim 5, wherein: the device body (1) is provided with a wheel set (122), and the wheel set (122) is used for hanging the connecting rope (41).
8. The hand-held operation material lifting device according to claim 1, wherein: the lifting mechanism (2) comprises a sliding component (22) which slides on the device body (1) in a lifting manner and a supporting frame (21) which is arranged on the sliding component (22), wherein reinforcing ribs (211) are arranged on the supporting frame (21), and the reinforcing ribs (211) are connected with the sliding component (22).
9. The hand-held operation material lifting device according to claim 1, wherein: the device comprises a device body (1) and a lifting mechanism, wherein the device body comprises a base (11) and a support (12) arranged on the base (11), the lifting mechanism (2) is lifted and slipped on the base (11), and the projection of the support (12) and the lifting mechanism (2) in the vertical direction is positioned on the base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320906724.7U CN220033891U (en) | 2023-04-19 | 2023-04-19 | Material lifting device for manual operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320906724.7U CN220033891U (en) | 2023-04-19 | 2023-04-19 | Material lifting device for manual operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220033891U true CN220033891U (en) | 2023-11-17 |
Family
ID=88722501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320906724.7U Active CN220033891U (en) | 2023-04-19 | 2023-04-19 | Material lifting device for manual operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220033891U (en) |
-
2023
- 2023-04-19 CN CN202320906724.7U patent/CN220033891U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2717083B2 (en) | Body repair equipment | |
| CN220033891U (en) | Material lifting device for manual operation | |
| CN208245509U (en) | Sheet metal bending device | |
| CN219708875U (en) | Hoisting stabilizing frame | |
| CN219585671U (en) | Portable lifting device | |
| CN218755840U (en) | Fixing device for tapping machine of blast furnace residual iron notch | |
| CN114960926B (en) | Chemical pipe gallery structure and pipe replacement method | |
| CN217253910U (en) | Semi-automatic positioning tool for hopper of robot welding hoister | |
| JP2899146B2 (en) | Forming panel sorting device | |
| CN209193506U (en) | A kind of adjustable support tooling convenient for tube shape component lifting | |
| CN211003546U (en) | Adjustable hoisting device for hoisting glass | |
| CN207314963U (en) | Power line construction line bar docks levelling device | |
| KR100862417B1 (en) | A loader haved adjusting the height of the weight | |
| CN218805022U (en) | Tire assembly manipulator | |
| CN217324987U (en) | Be used for bridge railing installation device | |
| CN220226149U (en) | Bearing frame for building construction | |
| CN219854297U (en) | Simple electric torque wrench bracket | |
| KR200398666Y1 (en) | tensioning apparatus for drum cable | |
| CN219031575U (en) | Building support hoisting device for membrane building construction | |
| KR100697325B1 (en) | Tensioning apparatus for drum cable | |
| CN212122736U (en) | Metal inner curved surface polishing equipment | |
| CN220578466U (en) | Coal leveling device of coal transporting train | |
| CN219429556U (en) | A outer wall modulization hoisting machine for construction | |
| CN214643999U (en) | Wall cloth cutting equipment | |
| CN220336502U (en) | Downwarping correction device for steel beam of steel structure factory building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiao Yi Inventor after: Meng Qingfeng Inventor after: Wang Jinqi Inventor after: Chen Xuanzhen Inventor after: Han Xinshuai Inventor before: Xiao Yi Inventor before: Meng Qingfeng Inventor before: Wang Jinqi Inventor before: Chen Xuanzhen Inventor before: Han Xinshuai Inventor before: Shen Xianbing |