CN220112892U - Steel pipe clamping rotating machine - Google Patents
Steel pipe clamping rotating machine Download PDFInfo
- Publication number
- CN220112892U CN220112892U CN202321074143.8U CN202321074143U CN220112892U CN 220112892 U CN220112892 U CN 220112892U CN 202321074143 U CN202321074143 U CN 202321074143U CN 220112892 U CN220112892 U CN 220112892U
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- steel pipe
- groove
- clamping
- wall
- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 238000003825 pressing Methods 0.000 claims description 39
- 238000003860 storage Methods 0.000 claims description 31
- 238000010030 laminating Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model relates to the technical field of steel pipes, in particular to a steel pipe clamping and rotating machine. Including weighting the base, the top fixedly connected with bracing piece of weighting the base, the upper end surface of bracing piece is equipped with the supporting disk, and the pivot of supporting disk and the output shaft fixed connection of motor, the centre gripping groove has been seted up to the inside of supporting disk, and the inner wall that the centre gripping groove is close to the opening part is equipped with thickness clamping assembly, and one side that the opening part was kept away from to the centre gripping groove is equipped with starting assembly. According to the utility model, the clamping groove is utilized, the thickness clamping assembly is arranged on the inner wall of one side of the clamping groove, which is close to the opening, and the surface of the starting assembly sliding in the clamping groove is attached to the surface of the thickness clamping assembly, so that when the steel pipe body presses the starting assembly to drive the starting assembly to slide towards the inside of the clamping groove, the thickness clamping assembly can lose pressure and slide towards the middle part of the clamping groove, and the end surface and the inner wall of the steel pipe body are conveniently clamped.
Description
Technical Field
The utility model relates to the technical field of steel pipes, in particular to a steel pipe clamping and rotating machine.
Background
Stainless steel pipe is a hollow rectangular circular steel, mainly extensively used for industrial conveying pipeline such as oil, chemical industry, medical treatment, food, light industry, mechanical instrument and mechanical structure parts etc. current stainless steel pipe need be polished or sandblast in its surface of keeping away from the tip when producing, because the steel pipe is longer, manual polishing or sandblast work load is great, consequently, more mill can adopt automated tool to assist spraying or polishing at present, and when automated tool works, need with steel pipe centre gripping rotation, to steel pipe centre gripping rotating machine, prior art has a lot:
the Chinese patent publication number is as follows: the utility model provides a CN 217288901U's a steel pipe surface treatment is with centre gripping rotary device, relates to stainless steel pipe production technical field, including the bottom plate, the upper end fixedly connected with adjustment mechanism of bottom plate, be provided with the steel pipe body between the support. The utility model provides an adjusting mechanism, a transmission mechanism, a first guide wheel assembly and a second guide wheel assembly, wherein the adjusting mechanism is added at the bottom of the device, the front and back movement of the device is realized through a screw transmission structure, meanwhile, a driving wheel is driven to rotate through the transmission mechanism, the first guide wheel assembly and the second guide wheel assembly are matched, steel pipes can be driven to rotate, the surface spraying is convenient, meanwhile, the adjusting mechanism can be suitable for steel pipes with different diameters according to the adjusting modes of the first guide wheel assembly and the second guide wheel assembly, the steel pipes with different diameters can be installed on the device for use, the investment cost is reduced, the sprayed film thickness is more uniform, and the practicability is greatly improved;
at present, when polishing or sand blasting is carried out on the surface of a steel pipe, the surface of the end part is far away from the steel pipe, and because the size of the steel pipe is generally longer, when clamping and rotating the steel pipe, the end part of the steel pipe is clamped by adopting an independent device, but the existing clamping device mainly stretches and clamps the hollow part of the end part of the steel pipe, if the clamping device at one end generates an offset condition, the whole steel pipe can possibly fall down, thereby inconvenience is brought to the polishing or sand blasting work of the steel pipe, and damage to the surface of the steel pipe can possibly be caused to a certain extent, and in this regard, we propose a steel pipe clamping and rotating machine.
Disclosure of Invention
The present utility model aims to solve the above-mentioned drawbacks and provide a steel pipe clamping rotary machine capable of clamping the end of a steel pipe body by pressing the end of the steel pipe body against the surface of an actuating assembly so that the thickness clamping assembly loses interference and extension.
Through pressing the tip of steel pipe body at the surface of start-up subassembly for thickness clamping assembly loses conflict and extends, can carry out thickness centre gripping to the tip of steel pipe body, utilizes the balancing pole that sets up at pressing pad surface simultaneously, and the balancing pole is hard material, when the tip of steel pipe body and its surface contact, can drive pressing pad integral slip, thereby makes thickness clamping assembly be convenient for carry out the centre gripping to the tip of steel pipe body.
The utility model provides a steel pipe clamping rotary machine, which comprises a weighting base, wherein the top of the weighting base is fixedly connected with a supporting rod, the upper end surface of the supporting rod is provided with a supporting disc, a rotating shaft of the supporting disc is fixedly connected with an output shaft of a motor, the motor is fixedly connected with the other surface of the supporting rod, and a clamping groove is formed in the supporting disc;
the inner wall that the centre gripping groove is close to the opening part is equipped with the thickness centre gripping subassembly that is used for carrying out the centre gripping to steel pipe body tip, one side that the opening part was kept away from to the centre gripping groove is equipped with starting component, and starting component's surface and thickness centre gripping subassembly's surface laminating, the steel pipe body is pressed on starting component's surface for it carries out the centre gripping to drive thickness centre gripping subassembly to steel pipe body's tip.
As a further improvement of the technical scheme, the thickness clamping assembly comprises a center shaft arranged in the middle of the clamping groove, four first elastic pieces are fixedly connected to the surface of the center shaft, the other ends of the four first elastic pieces are respectively fixedly connected with the surfaces of four inner clamping arms, four outer clamping arms are arranged on the inner wall of the clamping groove, and the ends, close to the clamping groove, of the outer clamping arms are fixedly connected with the inner wall of the clamping groove through the first elastic pieces.
As the further improvement of this technical scheme, the start-up subassembly is including seting up the storage tank at the holding tank inner wall, the inside slip of storage tank is equipped with presses the pad, one side surface that presses the pad stretches out the storage tank and flushes with the opening part of holding tank, the outer wall fixedly connected with outer loop that presses the pad, the surface and the inner wall laminating of storage tank of outer loop, one side fixedly connected with second elastic component that presses the pad to be close to the storage tank, the other end and the inner wall fixed connection of storage tank of second elastic component.
As a further improvement of the technical scheme, the inner wall of the storage groove is provided with a limiting chute, the surface of the outer ring is fixedly connected with a limiting slide block, and the surface of the limiting slide block is attached to the inner wall of the limiting chute.
As a further improvement of the technical scheme, a balance groove is formed in the surface of one end, far away from the second elastic piece, of the pressing pad, a balance rod is arranged in the balance groove, and the steel pipe body is pressed on the surface of the balance rod and used for assisting the pressing pad to synchronously enter and exit.
Compared with the prior art, the utility model has the beneficial effects that:
in this steel pipe centre gripping rotating machine, through utilizing the bracing piece that aggravates base top fixed connection, can make the supporting disk set up the upper end surface at the bracing piece, utilize the pivot of supporting disk and the output shaft fixed connection of motor, make the supporting disk be convenient for rotate the surface at the bracing piece, utilize the centre gripping groove of seting up in supporting disk keep away from bracing piece one side surface and offer, can make thickness clamping assembly set up the inner wall of one side that the centre gripping groove is close to opening part, utilize the surface of the start-up subassembly of slip at the centre gripping inslot portion and the laminating of thickness clamping assembly, press the start-up subassembly when the steel pipe body, when driving it to the inside slip of centre gripping groove, can make thickness clamping assembly lose pressure and slide to the centre gripping groove middle part, thereby be convenient for carry out the centre gripping to the tip surface and the inner wall of steel pipe body.
Drawings
The utility model is described in more detail below, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the installation structure of the steel pipe body of the present utility model;
FIG. 3 is a schematic diagram of the operation structure of the thickness clamping assembly according to the present utility model;
FIG. 4 is a schematic view of a cut-away structure of a support plate according to the present utility model;
fig. 5 is a schematic diagram of the structure of fig. 4 at a.
The meaning of each reference sign in the figure is:
1. a weighting base; 10. a steel pipe body; 11. a support rod; 12. a support plate; 13. a motor; 14. a clamping groove;
2. a thickness clamping assembly; 21. an outer clamping arm; 22. a first elastic member; 23. an inner clamping arm; 24. a center shaft;
3. a start assembly; 31. a storage tank; 32. a pressing pad; 33. an outer ring; 34. a second elastic member;
4. a limit sliding block; 41. limiting sliding grooves;
5. a balancing groove; 51. balance bar.
Detailed Description
At present when polishing or sandblast to the steel pipe surface, mostly keep away from the surface of tip to the steel pipe and process, and because the size of steel pipe is usually longer, when carrying out the centre gripping rotation to the steel pipe, adopt independent device to carry out the centre gripping to the tip of steel pipe more, but present clamping device mostly stretches the centre gripping to the cavity position of steel pipe tip, if the clamping device of wherein one end produces the condition of skew, just can cause dropping of whole steel pipe to polishing or sandblast work to the steel pipe brings inconvenience, probably causes the damage on steel pipe surface to a certain extent yet.
Referring to fig. 1-5, the device includes a weighting base 1, a supporting rod 11 is fixedly connected to the top of the weighting base 1, a supporting disc 12 is provided on the upper surface of the supporting rod 11, a rotating shaft of the supporting disc 12 is fixedly connected with an output shaft of a motor 13, the motor 13 is fixedly connected to the other surface of the supporting rod 11, a clamping groove 14 is provided in the supporting disc 12, a thickness clamping assembly 2 for clamping the end of the steel pipe body 10 is provided on the inner wall of the clamping groove 14 near the opening, a starting assembly 3 is provided on one side of the clamping groove 14 far from the opening, the surface of the starting assembly 3 is attached to the surface of the thickness clamping assembly 2, the steel pipe body 10 is pressed on the surface of the starting assembly 3, and the thickness clamping assembly 2 is used for driving the end of the steel pipe body 10 to be clamped. Through utilizing the bracing piece 11 that aggravates 1 top fixed connection, can make supporting disk 12 set up the upper end surface at bracing piece 11, utilize the output shaft fixed connection of pivot and motor 13 of supporting disk 12, make supporting disk 12 be convenient for rotate the surface at bracing piece 11, utilize the grip slot 14 of seting up on the support disk 12 and keeping away from bracing piece 11 one side surface and offer, can make thickness clamping assembly 2 set up the inner wall of one side that grip slot 14 is close to the opening part, utilize the surface of the start-up subassembly 3 of slip inside grip slot 14 and the laminating of thickness clamping assembly 2, when steel pipe body 10 presses start-up subassembly 3, when driving it to grip slot 14 inside slip, can make thickness clamping assembly 2 lose pressure and slide to grip slot 14 middle part, thereby be convenient for carry out the centre gripping to steel pipe body 10's end surface and inner wall.
Firstly, a specific structure of the thickness clamping assembly 2 is disclosed, the thickness clamping assembly 2 comprises a center shaft 24 arranged in the middle of a clamping groove 14, four first elastic pieces 22 are fixedly connected to the surface of the center shaft 24, the other ends of the four first elastic pieces 22 are fixedly connected with the surfaces of four inner clamping arms 23 respectively, four outer clamping arms 21 are arranged on the inner wall of the clamping groove 14, and one ends, close to the clamping groove 14, of the four outer clamping arms 21 are fixedly connected with the inner wall of the clamping groove 14 through the first elastic pieces 22. When the end of the steel pipe body 10 is pressed on the surface of the starting assembly 3, the first elastic pieces 22 can lose pressure rebound, the four outer clamping arms 21 and the four inner clamping arms 23 are driven to slide towards the middle of the clamping groove 14, the four outer clamping arms 21 are attached to the surface of the steel pipe body 10, the four inner clamping arms 23 are attached to the hollow inner wall of the steel pipe body 10, and the end of the steel pipe body 10 is convenient to clamp inside the clamping groove 14.
The purpose of the first elastic member 22 is mainly: when the end of the steel pipe body 10 is pressed on the surface of the starting assembly 3, the first elastic pieces 22 can lose pressure rebound, so that the four outer clamping arms 21 and the four inner clamping arms 23 are driven to slide towards the middle of the clamping groove 14, the surface of the steel pipe body 10 is convenient to clamp, the first elastic pieces 22 are preferably spiral spring pieces, and rubber pads can be used for achieving the purpose.
Secondly, disclose the concrete structure of start-up subassembly 3, start-up subassembly 3 is including seting up the storage tank 31 at the grip tank 14 inner wall, the inside slip of storage tank 31 is equipped with presses the pad 32, one side surface of pressing the pad 32 stretches out storage tank 31 and flushes with the opening part of grip tank 14, the outer wall fixedly connected with outer loop 33 of pressing the pad 32, the surface and the inner wall laminating of storage tank 31 of outer loop 33, one side fixedly connected with second elastic component 34 that presses the pad 32 to be close to storage tank 31, the other end and the inner wall fixed connection of storage tank 31 of second elastic component 34. When the end of the steel pipe body 10 contacts with the surface of the pressing pad 32, the end of the steel pipe body 10 pushes the surface of the pressing pad 32 to squeeze, so that the pressing pad 32 can shrink into the storage groove 31, the second elastic piece 34 fixedly connected between the other end of the pressing pad 32 and the inner wall of the storage groove 31 is driven to shrink, and after the pressing pad 32 shrinks into the storage groove 31, the outer clamping arm 21 and the inner clamping arm 23 can slide towards the middle of the clamping groove 14, so as to achieve the effect of clamping the steel pipe body 10.
The second elastic member 34 mainly has the following purpose: when the steel pipe body 10 needs to be taken out, the end part of the steel pipe body 10 is separated from the pressing pad 32, so that the second elastic piece 34 loses pressure rebound, the pressing pad 32 fixedly connected with the end part of the second elastic piece is driven to slide to the original position, the end part of the steel pipe body 10 is convenient to clamp again, the second elastic piece 34 is preferably a spiral spring piece, and a rubber pad can also be used for achieving the purpose.
The improvement of the embodiment is that: firstly, the supporting rod 11 fixedly connected with the top of the weighting base 1 is utilized, the supporting disc 12 can be arranged on the upper end surface of the supporting rod 11, when the end part of the steel pipe body 10 is contacted with the surface of the pressing pad 32, the end part of the steel pipe body 10 is pushed to press the surface of the pressing pad 32, the pressing pad 32 can be contracted into the storage groove 31, the plurality of first elastic pieces 22 lose pressure rebound, the four outer clamping arms 21 and the four inner clamping arms 23 are driven to slide towards the middle part of the clamping groove 14, the four outer clamping arms 21 are attached to the surface of the steel pipe body 10, the four inner clamping arms 23 are attached to the hollow inner wall of the steel pipe body 10, the end part of the steel pipe body 10 is convenient to clamp in the clamping groove 14, then the rotating shaft of the supporting disc 12 is utilized to be fixedly connected with the output shaft of the motor 13, the supporting disc 12 is convenient to rotate on the surface of the supporting rod 11, and the steel pipe body 10 is driven to rotate.
Considering the stability of the pressing pad 32 in the storage groove 31 by the pressure sliding of the steel pipe body 10, in order to improve the stability of the pressing pad 32 during sliding, it is shown in fig. 4-5 that the inner wall of the storage groove 31 is provided with a limiting sliding groove 41, the surface of the outer ring 33 is fixedly connected with a limiting sliding block 4, and the surface of the limiting sliding block 4 is attached to the inner wall of the limiting sliding groove 41.
The improvement is that: through utilizing fixed connection at the outer wall of outer loop 33 surface limit slider 4 with offer the laminating of the spacing spout 41 inner wall at the storage tank 31 inner wall, when the pressure pad 32 slides to the inside of storage tank 31 under the drive of pressing through steel pipe body 10, utilize limit slider 4 to slide in the inside of spacing spout 41 to make the gliding stability of pressure pad 32 promote.
Since the entire pressing pad 32 is made of elastic material, in order to drive the pressing pad 32 to slide integrally when the end of the steel pipe body 10 is pressed against the surface of the pressing pad 32, as shown in fig. 1, a balancing groove 5 is formed in the surface of one end of the pressing pad 32 far away from the second elastic member 34, a balancing rod 51 is disposed in the balancing groove 5, and the steel pipe body 10 is pressed against the surface of the balancing rod 51 to assist the entire pressing pad 32 to enter and exit synchronously.
The improvement is that: through utilizing the balance groove 5 of seting up in the one end that the pressing pad 32 kept away from the second elastic component 34, can make the balance rod 51 set up in the inside of balance groove 5, utilize balance rod 51 to be hard material, when the tip of steel pipe body 10 and its surface contact, can drive the whole slip of pressing pad 32 to make thickness clamping assembly 2 be convenient for carry out the centre gripping to the tip of steel pipe body 10.
To sum up, the working principle of the scheme is as follows: firstly, a supporting rod 11 fixedly connected with the top of a weighting base 1 is utilized, a supporting disc 12 can be arranged on the upper end surface of the supporting rod 11, when the end part of a steel pipe body 10 is contacted with the surface of a pressing pad 32, the end part of the steel pipe body 10 is pushed to press the surface of the pressing pad 32, the pressing pad 32 can be contracted into the storage groove 31, so that a plurality of first elastic pieces 22 lose pressure rebound, four outer clamping arms 21 and four inner clamping arms 23 are driven to slide towards the middle part of a clamping groove 14, the four outer clamping arms 21 are attached to the surface of the steel pipe body 10, the four inner clamping arms 23 are attached to the hollow inner wall of the steel pipe body 10, the end part of the steel pipe body 10 is convenient to clamp in the clamping groove 14, then a rotating shaft of the supporting disc 12 is fixedly connected with an output shaft of a motor 13, the supporting disc 12 is convenient to rotate on the surface of the supporting rod 11, and the steel pipe body 10 is driven to rotate;
the balance rod 51 can be arranged in the balance groove 5 by utilizing the balance groove 5 arranged at one end of the pressing pad 32 far away from the second elastic piece 34, and the balance rod 51 is made of hard material, when the end part of the steel pipe body 10 contacts with the surface of the steel pipe body, the pressing pad 32 can be driven to integrally slide, so that the thickness clamping assembly 2 is convenient for clamping the end part of the steel pipe body 10,
the outer wall of the limit sliding block 4 fixedly connected to the surface of the outer ring 33 is attached to the inner wall of the limit sliding groove 41 formed in the inner wall of the storage groove 31, so that the sliding stability of the pressing pad 32 can be improved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a steel pipe centre gripping rotating machine, includes weighting base (1), its characterized in that: the top of the weighting base (1) is fixedly connected with a supporting rod (11), the upper end surface of the supporting rod (11) is provided with a supporting disc (12), a rotating shaft of the supporting disc (12) is fixedly connected with an output shaft of a motor (13), the motor (13) is fixedly connected to the other surface of the supporting rod (11), and a clamping groove (14) is formed in the supporting disc (12);
the inner wall that centre gripping groove (14) is close to the opening part is equipped with thickness clamping assembly (2) that are used for carrying out the centre gripping to steel pipe body (10) tip, one side that opening part was kept away from to centre gripping groove (14) is equipped with starting component (3), and the surface laminating of starting component (3) and thickness clamping assembly (2), steel pipe body (10) are pressed at the surface of starting component (3) for it carries out the centre gripping to the tip of steel pipe body (10) to drive thickness clamping assembly (2).
2. A steel pipe gripping rotary machine according to claim 1, wherein: the thickness clamping assembly (2) comprises a center shaft (24) arranged in the middle of the clamping groove (14), four first elastic pieces (22) are fixedly connected to the surface of the center shaft (24), the other ends of the four first elastic pieces (22) are fixedly connected with the surfaces of four inner clamping arms (23) respectively, four outer clamping arms (21) are arranged on the inner wall of the clamping groove (14), and one ends, close to the clamping groove (14), of the outer clamping arms (21) are fixedly connected with the inner wall of the clamping groove (14) through the first elastic pieces (22).
3. A steel pipe gripping rotary machine according to claim 1, wherein: the starting assembly (3) comprises a storage groove (31) formed in the inner wall of the clamping groove (14), a pressing pad (32) is arranged in the storage groove (31) in a sliding mode, one side surface of the pressing pad (32) stretches out of the storage groove (31) and is flush with the opening of the clamping groove (14), an outer ring (33) is fixedly connected to the outer wall of the pressing pad (32), the surface of the outer ring (33) is attached to the inner wall of the storage groove (31), a second elastic piece (34) is fixedly connected to one side, close to the storage groove (31), of the pressing pad (32), and the other end of the second elastic piece (34) is fixedly connected with the inner wall of the storage groove (31).
4. A steel pipe gripping rotary machine according to claim 3, wherein: limiting sliding grooves (41) are formed in the inner wall of the storage groove (31), limiting sliding blocks (4) are fixedly connected to the surface of the outer ring (33), and the surfaces of the limiting sliding blocks (4) are attached to the inner wall of the limiting sliding grooves (41).
5. A steel pipe gripping rotary machine according to claim 3, wherein: the surface that second elastic component (34) was kept away from to pressure pad (32) has seted up balance groove (5), the inside of balance groove (5) is equipped with balancing pole (51), steel pipe body (10) are pressed on the surface of balancing pole (51) for supplementary pressure pad (32) wholly carry out synchronous business turn over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074143.8U CN220112892U (en) | 2023-05-06 | 2023-05-06 | Steel pipe clamping rotating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074143.8U CN220112892U (en) | 2023-05-06 | 2023-05-06 | Steel pipe clamping rotating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220112892U true CN220112892U (en) | 2023-12-01 |
Family
ID=88915781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074143.8U Active CN220112892U (en) | 2023-05-06 | 2023-05-06 | Steel pipe clamping rotating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220112892U (en) |
-
2023
- 2023-05-06 CN CN202321074143.8U patent/CN220112892U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A steel pipe clamping and rotating machine Effective date of registration: 20231212 Granted publication date: 20231201 Pledgee: Qilu bank Limited by Share Ltd. Liaocheng Development Zone Branch Pledgor: Liaocheng Jinliyuan Steel Pipe Co.,Ltd. Registration number: Y2023980071054 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |