CN112873096A - Valve production is with having multi-functional special-shaped anchor clamps of preventing pressing from both sides and decreasing structure - Google Patents

Valve production is with having multi-functional special-shaped anchor clamps of preventing pressing from both sides and decreasing structure Download PDF

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Publication number
CN112873096A
CN112873096A CN202110177196.1A CN202110177196A CN112873096A CN 112873096 A CN112873096 A CN 112873096A CN 202110177196 A CN202110177196 A CN 202110177196A CN 112873096 A CN112873096 A CN 112873096A
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CN
China
Prior art keywords
clamp
seat
valve production
winding drum
base
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.)
Withdrawn
Application number
CN202110177196.1A
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Chinese (zh)
Inventor
吕丽娅
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.)
Zhejiang Dongtai Valve Co ltd
Original Assignee
Zhejiang Dongtai Valve 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 Zhejiang Dongtai Valve Co ltd filed Critical Zhejiang Dongtai Valve Co ltd
Priority to CN202110177196.1A priority Critical patent/CN112873096A/en
Publication of CN112873096A publication Critical patent/CN112873096A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to a multifunctional special-shaped clamp with an anti-pinch structure for valve production, which comprises a base and a lower clamp, wherein a clamping seat, a first fixing seat, a support rod and a second fixing seat are sequentially fixed above the base from left to right, a lock ring is fixed on the left side of the base, the lower clamp is positioned above the clamping seat, a rubber pad is arranged on the inner side of the lower clamp, a rubber bump is arranged on the inner side of the rubber pad, a winding drum is installed in front of the first fixing seat, a torsion spring is arranged on the inner side of the winding drum, a connecting rope is arranged on the outer side of the winding drum, a lock catch is connected to one end of the connecting rope, a cross rod is connected to the upper end of the support rod, and a first connecting seat. The invention has the beneficial effects that: this valve production is with having multi-functional dysmorphism anchor clamps that prevent pressing from both sides and decrease the structure cushions through last anchor clamps and inside rubber pad and the rubber lug of anchor clamps down, avoids the too big work piece that leads to of centre gripping dynamics impaired, and carries out the antiskid through rubber lug.

Description

Valve production is with having multi-functional special-shaped anchor clamps of preventing pressing from both sides and decreasing structure
Technical Field
The invention relates to the technical field of valves, in particular to a multifunctional special-shaped clamp with an anti-pinch structure for valve production.
Background
The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to functions of the valve, is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting, overflowing and relieving pressure and the like, and is used for a valve of the fluid control system. During the production process of the valve, a clamp is needed to clamp the valve for processing.
Current valve production anchor clamps, the structure is complicated, at the in-process of centre gripping work piece, adopts cylinder or hydraulic cylinder to carry out the centre gripping mostly, and the dynamics of centre gripping is too big easily, leads to the work piece by the problem of pressing from both sides bad.
Disclosure of Invention
The invention aims to provide a multifunctional special-shaped clamp with an anti-clamping and damage-preventing structure for valve production, and aims to solve the problems that the existing valve production clamp in the background art is complex in structure, most of the clamps are clamped by air cylinders or hydraulic oil cylinders in the process of clamping workpieces, and clamping force is easy to be too large, so that the workpieces are clamped and damaged.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional special-shaped clamp with an anti-pinch structure for valve production comprises a base and a lower clamp, wherein a clamping seat, a first fixing seat, a support rod and a second fixing seat are sequentially fixed above the base from left to right, a lock ring is fixed on the left side of the base, the lower clamp is positioned above the clamping seat, a rubber pad is arranged on the inner side of the lower clamp, a rubber bump is arranged on the inner side of the rubber pad, a winding drum is installed in front of the first fixing seat, a torsion spring is arranged on the inner side of the winding drum, a connecting rope is arranged on the outer side of the winding drum, a lock catch is connected to one end of the connecting rope, a cross rod is connected to the upper end of the support rod, a first connecting seat is fixed below the left side of the cross rod, a connecting head is connected below the first connecting seat, an upper clamp is fixed below the connecting head, a second, and the inboard of second connecting seat is connected with adjusting nut, the inboard of second fixing base is connected with connecting bolt, and connecting bolt's one end has connect connecting nut soon, connecting bolt's mid-mounting has the mount pad, and the inboard of mount pad is provided with the bearing, the inboard of bearing is provided with the screw rod, and the lower extreme of screw rod is provided with the boss, the top of mount pad is provided with the clamp ring, and the top of clamp ring is provided with clamp bolt, the upper end of screw rod is fixed with the hand wheel.
Preferably, the lower clamp is fixedly connected with the base through the clamping seat, the lower clamp is connected with the rubber pad in an adhesion mode, and the rubber pad and the rubber bump are of an integrated structure.
Preferably, go up the integrated structure between anchor clamps and the connector, and the connector passes through to constitute connection structure between connecting bolt and the first connecting seat to the connector passes through to constitute revolution mechanic between connecting bolt and the first connecting seat.
Preferably, the cross rod forms a rotating structure through the connecting bolt and the support rod, the support rod is fixedly connected with the base, and the cross rod and the second connecting seat are of an integrated structure.
Preferably, the screw rod and the boss are of an integrated structure, the lower surface of the boss is attached to the upper surface of the bearing, and the center line of the boss coincides with the center line of the mounting seat.
Preferably, the adjusting nut forms a rotating structure with the second connecting seat through the rotating shaft, the adjusting nut is in threaded connection with the screw rod, and the center line of the screw rod is overlapped with the center line of the hand wheel.
Preferably, the mounting seat forms a rotating structure through the connecting bolt and the first fixing seat, the inner surface of the mounting seat is attached to the outer surface of the bearing, and the center line of the bearing coincides with the center line of the screw.
Preferably, the compression ring forms a connecting structure with the mounting seat through the compression bolt, the lower surface of the compression ring is attached to the upper surface of the boss, and the center line of the compression ring is overlapped with the center line of the screw rod.
Preferably, an integrated structure is formed between the lock ring and the base, the outer surface of the lock ring is attached to the inner surface of the lock catch, and the lock catch forms a connecting structure with the winding drum through the connecting rope.
Preferably, the winding drum forms a rotating structure with the first fixing seat through a rotating shaft, the outer surface of the winding drum is attached to the inner surface of the connecting rope, and the winding drum forms elastic connection with the first fixing seat through a torsion spring.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the lower clamp is connected with the rubber pad in an adhesive manner, the rubber pad and the rubber bump are in an integrated structure, the upper clamp is also provided with the rubber pad and the rubber bump, the rubber pad and the rubber bump are used for buffering, the workpiece is prevented from being damaged due to overlarge clamping force, and the rubber bump is used for preventing skidding.
2. According to the invention, the connector forms a rotating structure with the first connecting seat through the connecting bolt, and the upper clamp and the connector form an integrated structure, so that in the clamping process, along with the contact of the upper clamp and a workpiece, the upper clamp can rotate through the connecting bolt, the angle can be automatically adjusted, the upper clamp and the workpiece can be firmly clamped, and the stress is uniform.
3. According to the invention, the hand wheel is rotated to drive the screw rod to rotate, so that the adjusting nut moves up and down along the screw rod, the cross rod is driven to rotate around the connecting bolt on the supporting rod, the upper clamp moves downwards to clamp a workpiece, the structure is simple, and the operation is convenient.
4. According to the invention, the polished rod part at the lower end of the screw rod is inserted into the mounting seat, and the boss on the screw rod is locked into the mounting seat through the compression bolt and the compression ring, so that the screw rod is prevented from being separated from the mounting seat during operation, and the operation of workers is prevented from being influenced.
5. According to the invention, the workpiece is placed on the rubber pad of the lower clamp, the lock catch is pulled, the connecting rope is pulled out to drive the winding drum, the torsion spring is compressed, the lock catch is buckled on the lock ring, the connecting rope is locked under the resilience of the torsion spring, and the workpiece is pre-clamped, so that the workpiece is prevented from deviating and falling off in the clamping process of the clamp.
Drawings
FIG. 1 is a schematic view of a partially sectional structure of a multifunctional special-shaped clamp with an anti-pinch structure for valve production according to the present invention;
FIG. 2 is a schematic diagram of a right-view partial cross-sectional structure of a multifunctional special-shaped clamp with an anti-pinch structure for valve production according to the present invention;
FIG. 3 is an enlarged schematic view of the portion A of the multifunctional special-shaped clamp with an anti-pinch structure for valve production according to the present invention;
FIG. 4 is an enlarged schematic structural view of a multifunctional special-shaped clamp with an anti-pinch structure for valve production shown in FIG. 2B;
FIG. 5 is a schematic view of a three-dimensional structure of a base of a multifunctional special-shaped clamp with an anti-pinch structure for valve production according to the present invention.
In the figure: 1. a base; 2. a clamping seat; 3. a lower clamp; 4. a rubber pad; 5. a rubber bump; 6. an upper clamp; 7. a connector; 8. a first connecting seat; 9. a cross bar; 10. a strut; 11. a hand wheel; 12. a screw; 13. a second fixed seat; 14. adjusting the nut; 15. a second connecting seat; 16. a connecting nut; 17. a connecting bolt; 18. a mounting seat; 19. a bearing; 20. a boss; 21. a hold-down bolt; 22. a compression ring; 23. a locking ring; 24. a torsion spring; 25. a reel; 26. connecting ropes; 27. a first fixed seat; 28. and (5) locking.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional special-shaped clamp with an anti-pinch structure for valve production comprises a base 1 and a lower clamp 3, wherein a clamping seat 2, a first fixed seat 27, a support rod 10 and a second fixed seat 13 are sequentially fixed above the base 1 from left to right, a lock ring 23 is fixed on the left side of the base 1, the lock ring 23 and the base 1 are of an integrated structure, the outer surface of the lock ring 23 is attached to the inner surface of a lock catch 28, the lock catch 28 forms a connecting structure with a winding drum 25 through a connecting rope 26, the lower clamp 3 is positioned above the clamping seat 2, a rubber pad 4 is arranged on the inner side of the lower clamp 3, the lower clamp 3 is fixedly connected with the base 1 through the clamping seat 2, the lower clamp 3 is in adhesive connection with the rubber pad 4, the rubber pad 4 is of an integrated structure with the rubber bump 5, the lower clamp 3 is in adhesive connection with the rubber pad 4, and the rubber pad 4 is of an integrated structure with the rubber bump, the upper clamp 6 is also provided with a rubber pad 4 and a rubber bump 5, the rubber pad 4 and the rubber bump 5 are used for buffering, the workpiece is prevented from being damaged due to overlarge clamping force, and the rubber bump 5 is used for preventing slipping;
the inner side of the rubber pad 4 is provided with a rubber bump 5, a winding drum 25 is installed in front of the first fixing seat 27, the inner side of the winding drum 25 is provided with a torsion spring 24, the winding drum 25 and the first fixing seat 27 form a rotating structure through a rotating shaft, the outer surface of the winding drum 25 is attached to the inner surface of the connecting rope 26, the winding drum 25 and the first fixing seat 27 form elastic connection through the torsion spring 24, the workpiece is placed on the rubber pad 4 of the lower clamp 3, the lock catch 28 is pulled to pull out the connecting rope 26, the winding drum 25 is driven to compress the torsion spring 24, the lock catch 28 is buckled on the lock ring 23, the connecting rope 26 is locked under the resilience of the torsion spring 24 to pre-clamp the workpiece, and the workpiece is prevented from deviating and falling off in the clamping process of the clamp;
a connecting rope 26 is arranged on the outer side of the winding drum 25, one end of the connecting rope 26 is connected with a lock catch 28, the upper end of the supporting rod 10 is connected with a cross rod 9, a first connecting seat 8 is fixed below the left side of the cross rod 9, the cross rod 9 forms a rotating structure with the supporting rod 10 through a connecting bolt 17, the supporting rod 10 is fixedly connected with the base 1, an integrated structure is formed between the cross rod 9 and the second connecting seat 15, a connecting head 7 is connected below the first connecting seat 8, an upper clamp 6 is fixed below the connecting head 7, the upper clamp 6 is integrated with the connecting head 7, the connecting head 7 forms a connecting structure with the first connecting seat 8 through a connecting bolt 17, the connecting head 7 forms a rotating structure with the first connecting seat 8 through a connecting bolt 17, the upper clamp 6 is integrated with the connecting head 7, in the clamping process, along with the contact of the upper clamp 6 and the workpiece, the upper clamp 6 can rotate through the connecting bolt 17, and the angle is automatically adjusted, so that the upper clamp 6 and the workpiece are firmly clamped and are uniformly stressed;
a second connecting seat 15 is arranged on the right side of the cross rod 9, an adjusting nut 14 is connected to the inner side of the second connecting seat 15, the adjusting nut 14 forms a rotating structure with the second connecting seat 15 through a rotating shaft, the adjusting nut 14 is in threaded connection with the screw rod 12, the center line of the screw rod 12 is coincident with the center line of the hand wheel 11, the hand wheel 11 is rotated to drive the screw rod 12 to rotate, the adjusting nut 14 moves up and down along the screw rod 12, the cross rod 9 is driven to rotate around a connecting bolt 17 on the supporting rod 10, the upper clamp 6 moves downwards to clamp a workpiece, the structure is simple, and the operation is convenient;
the inner side of the second fixed seat 13 is connected with a connecting bolt 17, one end of the connecting bolt 17 is screwed with a connecting nut 16, the middle part of the connecting bolt 17 is provided with a mounting seat 18, the inner side of the mounting seat 18 is provided with a bearing 19, the mounting seat 18 forms a rotating structure with the first fixed seat 27 through the connecting bolt 17, the inner surface of the mounting seat 18 is attached to the outer surface of the bearing 19, the central line of the bearing 19 is overlapped with the central line of the screw 12, the inner side of the bearing 19 is provided with the screw 12, the lower end of the screw 12 is provided with a boss 20, the screw 12 and the boss 20 are of an integrated structure, the lower surface of the boss 20 is attached to the upper surface of the bearing 19, the central line of the boss 20 is overlapped with the central line of the mounting seat 18, a pressing ring 22 is arranged above the mounting seat 18, the pressing bolt 21 is arranged above the pressing ring 22, and the pressing ring 22 forms a connecting, and the lower surface of the clamp ring 22 is attached to the upper surface of the boss 20, and the central line of the clamp ring 22 coincides with the central line of the screw 12, the polished rod part at the lower end of the screw 12 is inserted into the mounting seat 18, the boss 20 on the screw 12 is locked into the mounting seat 18 through the clamp bolt 21 and the clamp ring 22, so that the situation that the screw 12 is separated from the mounting seat 18 to affect the operation of a worker during operation is avoided, and the upper end of the screw 12 is fixed with the hand wheel 11.
In conclusion, when the multifunctional special-shaped clamp with the anti-pinch structure for valve production is used, the workpiece is placed on the rubber pad 4 of the lower clamp 3, the lock 28 is pulled, the connecting rope 26 is pulled out to drive the winding drum 25, the torsion spring 24 is compressed, the lock 28 is buckled on the lock ring 23, the connecting rope 26 is locked under the resilience of the torsion spring 24, the workpiece is pre-clamped, the hand wheel 11 is rotated to drive the screw rod 12 to rotate, the adjusting nut 14 moves up and down along the screw rod 12, the cross rod 9 is driven to rotate around the connecting bolt 17 on the support rod 10, the upper clamp 6 moves downwards, when the upper clamp 6 is in contact with the workpiece, the upper clamp 6 can rotate through the connecting bolt 17 to automatically adjust the angle, so that the clamping between the upper clamp 6 and the workpiece is firm, the stress is uniform, the lock 28 is taken down, the connecting rope 26 is wound back on the winding drum 25 under the resilience of the torsion spring, the work such as cutting is started.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a valve production is with multi-functional dysmorphism anchor clamps that have anti-pinch and decrease structure, includes base (1) and lower anchor clamps (3), its characterized in that: a clamping seat (2), a first fixing seat (27), a support rod (10) and a second fixing seat (13) are sequentially fixed above the base (1) from left to right, a lock ring (23) is fixed on the left side of the base (1), the lower clamp (3) is located above the clamping seat (2), a rubber pad (4) is arranged on the inner side of the lower clamp (3), a rubber bump (5) is arranged on the inner side of the rubber pad (4), a winding drum (25) is installed in front of the first fixing seat (27), a torsion spring (24) is arranged on the inner side of the winding drum (25), a connecting rope (26) is arranged on the outer side of the winding drum (25), one end of the connecting rope (26) is connected with a lock catch (28), the upper end of the support rod (10) is connected with a cross rod (9), a first connecting seat (8) is fixed below the left side of the cross rod (9), and a connecting head (7) is connected below the first, and the below of connector (7) is fixed with anchor clamps (6), the right side of horizontal pole (9) is provided with second connecting seat (15), and the inboard of second connecting seat (15) is connected with adjusting nut (14), the inboard of second fixing base (13) is connected with connecting bolt (17), and the one end of connecting bolt (17) has connect coupling nut (16) soon, the mid-mounting of connecting bolt (17) has mount pad (18), and the inboard of mount pad (18) is provided with bearing (19), the inboard of bearing (19) is provided with screw rod (12), and the lower extreme of screw rod (12) is provided with boss (20), the top of mount pad (18) is provided with clamp ring (22), and the top of clamp ring (22) is provided with clamp bolt (21), the upper end of screw rod (12) is fixed with hand wheel (11).
2. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the lower clamp (3) is fixedly connected with the base (1) through the clamping seat (2), the lower clamp (3) is connected with the rubber pad (4) in an adhesion mode, and the rubber pad (4) and the rubber bump (5) are of an integrated structure.
3. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: go up between anchor clamps (6) and connector (7) as an organic whole structure, and constitute connection structure between connector (7) through connecting bolt (17) and first connecting seat (8) to constitute revolution mechanic between connector (7) through connecting bolt (17) and first connecting seat (8).
4. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the cross rod (9) forms a rotating structure through the connecting bolt (17) and the support rod (10), the support rod (10) is fixedly connected with the base (1), and the cross rod (9) and the second connecting seat (15) are of an integrated structure.
5. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the screw rod (12) and the boss (20) are of an integrated structure, the lower surface of the boss (20) is attached to the upper surface of the bearing (19), and the center line of the boss (20) is overlapped with the center line of the mounting seat (18).
6. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the adjusting nut (14) forms a rotating structure with the second connecting seat (15) through a rotating shaft, the adjusting nut (14) is in threaded connection with the screw rod (12), and the center line of the screw rod (12) is overlapped with the center line of the hand wheel (11).
7. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the mounting seat (18) forms a rotating structure with the first fixing seat (27) through the connecting bolt (17), the inner surface of the mounting seat (18) is attached to the outer surface of the bearing (19), and the center line of the bearing (19) is overlapped with the center line of the screw (12).
8. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the compression ring (22) forms a connecting structure with the mounting seat (18) through the compression bolt (21), the lower surface of the compression ring (22) is attached to the upper surface of the boss (20), and the center line of the compression ring (22) is overlapped with the center line of the screw (12).
9. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the lock ring (23) and the base (1) are of an integrated structure, the outer surface of the lock ring (23) is attached to the inner surface of the lock catch (28), and the lock catch (28) forms a connecting structure with the winding drum (25) through the connecting rope (26).
10. The multifunctional special-shaped clamp with the anti-pinch structure for valve production as claimed in claim 1, wherein the clamp comprises: the winding drum (25) and the first fixing seat (27) form a rotating structure through a rotating shaft, the outer surface of the winding drum (25) is attached to the inner surface of the connecting rope (26), and the winding drum (25) and the first fixing seat (27) form elastic connection through the torsion spring (24).
CN202110177196.1A 2021-02-09 2021-02-09 Valve production is with having multi-functional special-shaped anchor clamps of preventing pressing from both sides and decreasing structure Withdrawn CN112873096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110177196.1A CN112873096A (en) 2021-02-09 2021-02-09 Valve production is with having multi-functional special-shaped anchor clamps of preventing pressing from both sides and decreasing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110177196.1A CN112873096A (en) 2021-02-09 2021-02-09 Valve production is with having multi-functional special-shaped anchor clamps of preventing pressing from both sides and decreasing structure

Publications (1)

Publication Number Publication Date
CN112873096A true CN112873096A (en) 2021-06-01

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Application Number Title Priority Date Filing Date
CN202110177196.1A Withdrawn CN112873096A (en) 2021-02-09 2021-02-09 Valve production is with having multi-functional special-shaped anchor clamps of preventing pressing from both sides and decreasing structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114508259A (en) * 2022-03-11 2022-05-17 国网山东省电力公司沂水县供电公司 Electric power construction is with conveyer of supplementary wire pole installation fast

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114508259A (en) * 2022-03-11 2022-05-17 国网山东省电力公司沂水县供电公司 Electric power construction is with conveyer of supplementary wire pole installation fast

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Application publication date: 20210601