CN219562041U - Clamping traction device for corrugated pipe welded pipe - Google Patents
Clamping traction device for corrugated pipe welded pipe Download PDFInfo
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- CN219562041U CN219562041U CN202320664050.4U CN202320664050U CN219562041U CN 219562041 U CN219562041 U CN 219562041U CN 202320664050 U CN202320664050 U CN 202320664050U CN 219562041 U CN219562041 U CN 219562041U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a corrugated pipe welding pipe clamping and traction device, which comprises a left and a right holding assembly, and has the following specific structure: the clamping device comprises a bottom plate, wherein a clamp body is arranged on the bottom plate in a left-right moving manner, the opposite ends of the two clamp bodies are respectively embedded with an embedded clamp, and the two embedded clamps are oppositely attached to form a clamping hole for encircling and clamping a round pipe; the outer end of the clamp body is provided with accommodating grooves, a roller is rotatably arranged in one accommodating groove of the clamp body through a pin shaft which is vertically arranged, a swing arm is rotatably arranged in the other accommodating groove of the clamp body, and the same axial vertical roller is arranged in the middle of the swing arm; one end of the swing arm is rotatably arranged in the accommodating groove through the rotating shaft, and the other end of the swing arm is attached to the inner side surface of the accommodating groove and is provided with a spring between the swing arm and the clamp body; therefore, the round tube is clamped in a left-right clamping mode in the traction process, reliable traction and conveying of the round tube are effectively guaranteed, the shape of the round tube is not affected, and the quality of the round tube is guaranteed.
Description
Technical Field
The utility model relates to the technical field of automobile flexible joint forming equipment, in particular to a clamping and traction device for a corrugated pipe welded pipe.
Background
The automobile corrugated flexible joint is widely applied to various automobiles, is connected between an automobile engine and an exhaust system, and plays a role in absorbing vibration and damping vibration; the corrugated flexible joint of the automobile consists of four parts, namely a corrugated pipe, an outer net sleeve, a protective net sleeve and a winding pipe, wherein the existing corrugated pipe is generally formed by forming the corrugation on the wall surface of a thin-wall pipe under the compression state.
The existing thin-wall pipe can be formed by rolling, welding and cutting a plate, and the welded thin-wall pipe is pulled in a backward moving way by matching with a tractor after welding. In the existing tractor, the holding clamp clamps the thin-wall pipe from the outer wall surface in an up-down involution manner, and the upper part and the lower part of the holding clamp are driven by the same power to move in opposite directions; in the actual use process, because the gravity influence of the holding clamp, the holding clamp of the upper half part applies larger force on the outer wall surface of the thin-wall pipe compared with the holding clamp of the lower half part, so that the pipe wall of the upper part of the thin-wall pipe is stressed to collapse rather than round, the production efficiency is directly influenced, and even the thin-wall pipe cannot be normally produced in the follow-up process.
Disclosure of Invention
The inventor aims at the defects in the prior art, and provides the corrugated pipe welding pipe clamping traction device with reasonable structure, so that the circular pipe is clamped in a left-right clamping mode, the reliable traction and conveying of the circular pipe are effectively ensured, the shape of the circular pipe is not influenced, and the quality of the circular pipe is ensured.
The technical scheme adopted by the utility model is as follows:
the utility model provides a bellows welded tube centre gripping draw gear, includes about holding the subassembly, its specific structure does: the clamping device comprises a bottom plate, wherein a clamp body is arranged on the bottom plate in a left-right moving manner, the opposite ends of the two clamp bodies are respectively embedded with an embedded clamp, and the two embedded clamps are oppositely attached to form a clamping hole for encircling and clamping a round pipe; the outer end of the clamp body is provided with accommodating grooves, rollers are rotatably arranged in one accommodating groove of the clamp body through vertically arranged pin shafts, swing arms are rotatably arranged in the other accommodating groove of the clamp body, and the same axial vertical rollers are arranged in the middle of the swing arms; one end of the swing arm is rotatably installed in the accommodating groove through the rotating shaft, and the other end of the swing arm is attached to the inner side surface of the accommodating groove and is provided with a spring between the swing arm and the clamp body;
the bottom plates of the left and right holding assemblies are arranged on chain links of the chain transmission mechanism.
As a further improvement of the above technical scheme:
a stop lever which is vertically arranged is arranged in a containing groove positioned at the outer side of the swing end of the swing arm, a round hole is formed in the inner side face of the containing groove positioned at the inner side of the swing end of the swing arm, a telescopic piece is assembled in the round hole, one end of the telescopic piece extends out of the round hole and is in abutting contact with the swing end of the swing arm, and the other end of the telescopic piece is positioned in the round hole and is provided with a spring.
The swing end of the swing arm is bent towards the inside of the accommodating groove to form a bending structure; the middle part of swing arm kink has seted up the groove that holds the gyro wheel, and the gyro wheel level holds in the inslot, and the gyro wheel is installed for the swing arm rotation via the center pin.
The outer wall surfaces of the circumferences of the rollers at the two sides of the left and right holding assemblies are outwards protruded out of the outer side surfaces of the corresponding clamp.
The device also comprises a frame which is arranged at intervals left and right, wherein guide plates are symmetrically arranged on the top surfaces of the two frames, and two ends of the opposite surfaces of the two guide plates are respectively provided with an inclined surface to form an outward-stretching structure; the circumferential surfaces of the rollers on the left side and the right side of the left holding assembly are respectively attached to the inner side surfaces of the two guide plates.
The inner side surface of the frame below the guide plate is also outwards extended with a walking edge in the horizontal direction, the left end and the right end of the bottom plate are symmetrically provided with vertical wheel seats, and the outer side surface of each wheel seat is provided with a walking wheel; the travelling wheels comprise two supporting wheels which are positioned on the top surface of the travelling rib and one abutting wheel which is positioned on the bottom surface of the travelling rib, and the three travelling wheels are positioned at three corners of the inverted isosceles triangle.
Pins are symmetrically inserted in the front and back of the inner side surface of the wheel seat, long grooves facing the opening of the wheel seat are formed in the front and back side surfaces of the fixture body, the long grooves are opposite to the corresponding pins in the left and right directions, elastic pieces are accommodated in the long grooves, one ends of the elastic pieces are hung on the pins, and the other ends of the elastic pieces are fixed at the ends of the long grooves.
An opening structure is arranged above a space at the end parts of the two frames, the opening structure is arranged above the rear end of the guide plate along the traction direction, the top surfaces of the two clamp bodies of the left and right holding assemblies are respectively provided with an axial vertical guide wheel, the left and right sides of the opening structure are provided with symmetrical inclined surface structures, and the two guide wheels on the left and right holding assemblies are respectively attached to the corresponding inclined surface structures; the inclined surface structure is parallel to the inclined surface on the inner side of the end part of the guide plate.
The opening structure comprises a bracket which is transversely arranged above the interval between the two frames, an extension arm is arranged in the center of the bracket forwards, an outer supporting plate is arranged on the bottom surface of the end part of the extension arm, and the left side surface and the right side surface of the outer supporting plate are symmetrically provided with inclined structures.
The chain transmission mechanism comprises two groups which are arranged in parallel at a left-right interval, the bottom surfaces of the bottom plates of the left-right holding assembly are simultaneously arranged on corresponding chain links of the two groups of chain transmission mechanisms, and the two groups of chain transmission mechanisms are driven by the same power to transmit.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure and convenient operation, clamps the round tube in a left and right clamping mode, combines the transmission power of the chain transmission mechanism, effectively ensures the reliable traction and transportation of the round tube, does not influence the shape of the round tube due to clamping, ensures the quality of the round tube and has good practicability;
the utility model also has the following advantages:
the arrangement of the springs between the swing arms and the clamp bodies can generate buffering performance in the clamping direction through the springs when the two clamp bodies move to clamp the round tube from the left side and the right side, so that the stability of clamping the round tube is effectively ensured;
the two clamp bodies in the left and right holding assemblies move oppositely to clamp the left and right holding assemblies and are passively generated through the shape guidance of the guide plates, the two clamp bodies move oppositely to separate the left and right holding assemblies and are passively generated through the contact of the opening structures, and the clamping or separating movement is generated in a non-dynamic mode, so that the design is ingenious, the cost is low, and the use in actual production is facilitated.
Drawings
Fig. 1 is a schematic structural view of a left and right holding assembly according to the present utility model.
Fig. 2 is a schematic view of the installation of the swing arm of the present utility model.
Fig. 3 is a top view of the traction device of the present utility model.
Fig. 4 is a schematic structural view of a stretching structure in the traction device of the present utility model.
Wherein: 1. a clamping head is embedded; 2. a clamp body; 3. a bottom plate; 4. a walking wheel; 5. a wheel seat; 6. swing arms; 7. a roller; 8. a stop lever; 9. a rotating shaft; 10. a guide wheel; 11. a pin shaft; 12. a pin; 13. a telescoping member; 14. a spring;
21. a receiving groove; 22. a long groove;
30. a frame; 31. a chain transmission mechanism; 32. a guide plate; 33. walking edges;
40. an open structure; 41. a bracket; 42. an extension arm; 43. an outer support plate;
50. a round tube;
71. a central axis.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1 and 2, the clamping and traction device for a welded pipe of a bellows in this embodiment includes a left and a right holding assembly, and has the following specific structure: the clamp comprises a bottom plate 3, clamp bodies 2 are arranged on the bottom plate 3 in a left-right moving manner, embedded chucks 1 are respectively embedded at opposite ends of the two clamp bodies 2, and the two embedded chucks 1 are oppositely attached to form a clamping hole for encircling and clamping a round pipe 50; the outer end of the clamp body 2 is provided with accommodating grooves 21, the accommodating groove 21 of one clamp body 2 is rotatably provided with idler wheels 7 through vertically arranged pin shafts 11, the accommodating groove 21 of the other clamp body 2 is rotatably provided with a swing arm 6, and the middle part of the swing arm 6 is provided with the same axial vertical idler wheels 7; one end of the swing arm 6 is rotatably arranged in the accommodating groove 21 through the rotating shaft 9, and the other end of the swing arm 6 is jointed towards the inner side surface of the accommodating groove 21 and is provided with a spring 14 between the swing arm and the clamp body 2;
the bottom plates 3 of the left and right clasping assemblies are mounted on chain links of the chain drive 31.
In this embodiment, the round tube 50 is clamped by left and right clamping, and the reliable traction and conveying of the round tube 50 is effectively ensured by combining the transmission power of the chain transmission mechanism 31, so that the shape of the round tube 50 is not affected by clamping.
The arrangement of the spring 14 between the swing arm 6 and the clamp body 2 can generate buffering performance in the clamping direction through the spring 14 when the two clamp bodies 2 move in opposite directions to clamp the round tube 50 from the left side and the right side, so that the stability of clamping the round tube 50 is effectively ensured.
In the actual use process, the embedded chuck 1 can be conveniently detached or installed from the side face of the clamp body 2, so that the embedded chuck 1 with the clamping hole size can be conveniently replaced, and the clamp is suitable for clamping round pipes 50 with different diameter sizes, convenient to use and good in flexibility.
A stop lever 8 which is vertically arranged is arranged in a containing groove 21 positioned at the outer side of the swinging end of the swinging arm 6, and the stop lever 8 plays a limiting role on the swinging arm 6; a round hole is formed in the inner side face of the accommodating groove 21 located on the inner side of the swinging end of the swinging arm 6, a telescopic piece 13 is assembled in the round hole, one end of the telescopic piece 13 extends out of the round hole and abuts against the swinging end of the swinging arm 6, and the other end of the telescopic piece 13 is located in the round hole and is provided with a spring 14.
When the swing arm 6 swings towards the telescopic member 13 by taking the rotating shaft 9 as the center of a circle, the telescopic member 13 is forced to move towards the inside of the round hole, the spring 14 is compressed, and the spring plays a role in buffering in the left and right clamping directions of the left and right clamping assemblies.
In the embodiment, the end part of the telescopic piece 13 and the swing arm 6 only need to be contacted and attached, and do not need to be fixedly connected with each other; the round holes are used for installing the telescopic piece 13 and the spring 14, and simultaneously provide guiding and limiting functions for the movement and the extension of the telescopic piece 13 and the spring 14.
The swinging end of the swinging arm 6 is bent towards the inside of the accommodating groove 21 to form a bending structure; the middle part of swing arm 6 kink department has seted up the groove that holds gyro wheel 7, and gyro wheel 7 level holds in the inslot, and gyro wheel 7 is installed for swing arm 6 rotation via center pin 71 to can apply to swing arm 6 through gyro wheel 7 outer circumference and swing the trend.
The circumferential outer wall surfaces of the rollers 7 on the two sides of the left and right holding assemblies are outwards protruded out of the outer side surfaces of the corresponding clamp bodies 2, so that the two clamp bodies 2 can be driven to move in opposite directions through the limitation or force application of the two sides to the outer wall surfaces of the rollers 7.
As shown in fig. 3 and 4, the device further comprises a rack 30 arranged at a left-right interval, wherein the top surfaces of the two racks 30 are symmetrically provided with guide plates 32, and two ends of the opposite surfaces of the two guide plates 32 are respectively provided with an inclined surface to form an outward-expanding structure; the circumferential surfaces of the rollers 7 on the left side and the right side of the left holding assembly are respectively attached to the inner side surfaces of the two guide plates 32.
When the left and right holding assemblies move to the external stretching structure at the front end of the guide plate 32, the large-size part of the opening of the guide plate 32 moves towards the small-size part, and the inner side surface of the guide plate 32 applies opposite inward force to the two clamp bodies 2 of the left and right holding assemblies, so that the two clamp bodies 2 respectively move inwards opposite to the bottom plate 3 until the two clamp bodies 2 hold the round tube 50 from the left side and the right side; at this time, the left and right holding members are moved through the flare structure of the front end of the guide plate 32 to be positioned at the parallel section of the middle portion, and the two clip bodies 2 are held in the clasped state with respect to the round tube 50.
The inner side surface of the frame 30 positioned below the guide plate 32 is also outwards extended with a walking edge 33 in the horizontal direction, the left end and the right end of the bottom plate 3 are symmetrically provided with vertical wheel seats 5, and the outer side surface of each wheel seat 5 is provided with a walking wheel 4; the travelling wheels 4 comprise two supporting wheels which are positioned on the top surface of the travelling rib 33 and one abutting wheel which is positioned on the bottom surface of the travelling rib 33, and the three travelling wheels 4 are positioned at three corners of an inverted isosceles triangle; the left and right holding components are supported by the frame 30 through the walking edges 33, and the walking wheels 4 move relative to the walking edges 33 in the front-to-back movement process of the left and right holding components driven by the chain transmission mechanism 31, so that walking is realized.
Of course, an upper and a lower sets of traveling ribs 33 may be provided on the frame 30, and in the course of the circumferential cyclic transmission of the chain in the chain transmission mechanism 31, the left and right clasping members located at the upper part of the chain are supported and guided via the upper traveling rib 33, and the left and right clasping members located at the lower part of the chain are supported and guided via the lower traveling rib 33, so as to form a cyclic motion; the distance between the two sets of walking edges 33 is matched with the up-down interval of the chain and the actual working condition.
The pin 12 is symmetrically inserted in the front and back of the inner side surface of the wheel seat 5, the front and back side surfaces of the clamp body 2 are provided with long grooves 22 which are opened towards the wheel seat 5, the long grooves 22 are opposite to the corresponding pins 12, an elastic piece is accommodated in the long grooves 22, one end of the elastic piece is hung on the pin 12, and the other end of the elastic piece is fixed at the end part of the long grooves 22; when the two clamp bodies 2 are separated from the parallel section in the middle of the guide plate 32 and move to the flared structure at the rear end, the two clamp bodies 2 move back to back relative to the bottom plate 3 under the compression elasticity of the elastic piece, and the circular tube 50 is held and released.
An opening structure 40 is arranged above the interval at the end parts of the two frames 30, the opening structure 40 is arranged above the rear end of the guide plate 32 along the traction direction, the top surfaces of the two clamp bodies 2 of the left and right holding assemblies are respectively provided with an axial vertical guide wheel 10, the left and right sides of the opening structure 40 are provided with symmetrical inclined surface structures, and the two guide wheels 10 on the left and right holding assemblies are respectively attached to the corresponding inclined surface structures; the ramp structure is parallel to the ramp on the inside of the end of the guide plate 32.
When the left and right holding components move to the rear section relative to the guide plate 32, the clamp body 2 is kept in a holding state because the guide plate 32 is provided with a rear section outward-stretching structure and is not attached to the roller 7 any more; with the top surface guide wheel 10 of the clamp body 2 being attached to the inclined surface structure in the opening structure 40, the clamp body 2 is driven to move outwards relative to the bottom plate 3 through the guide wheel 10 under the guidance of the inclined surface structure.
The opening structure 40 comprises a bracket 41 which spans over the two frames 30, an extension arm 42 is arranged in the center of the bracket 41 forwards, an outer supporting plate 43 is arranged on the bottom surface of the end part of the extension arm 42, the left side surface and the right side surface of the outer supporting plate 43 are arranged to be symmetrical inclined structures, the whole structure is simple, and the two clamp bodies 2 of the left and right holding assemblies are guided to passively open and separate through the attachment of the side surfaces of structural members and the outer wall surfaces of the rollers 7.
The chain transmission mechanism 31 comprises two groups which are arranged in parallel at a left-right interval, the bottom surface of the bottom plate 3 of the left-right holding assembly is simultaneously arranged on corresponding chain links of the two groups of chain transmission mechanisms 31, and the two groups of chain transmission mechanisms 31 are driven to transmit by the same power.
In this embodiment, the clamping of the two clamp bodies 2 in the left and right holding assemblies is passively generated by guiding the shape of the guide plate 32, and the separation of the opposite movement of the two clamp bodies 2 is passively generated by contacting the opening structure 40, so that the clamping or the separation movement is generated in a non-dynamic manner, and the design is ingenious, the cost is low, and the use in actual production is beneficial.
In the actual use process, when the left and right holding assemblies move to the flared structure at the front ends of the two guide plates 32 along with the movement of the chain transmission mechanism 31 from front to back, the left and right holding assemblies apply force to the clamp body 2 to move in opposite directions to hold the round tube 50 between the two through the lamination of the roller 7 and the inclined plane along with the gradual reduction of the interval distance between the inclined planes at the flared structure, and the left and right holding assemblies move to pull the held round tube 50 backwards; when the left and right holding assemblies move to the flared structure at the rear ends of the two guide plates 32, the holding of the round tube 50 is released by combining the fitting action of the flared structure 40 and the top guide wheel 10 of the clamp body 2 to separate the two clamp bodies 2 back to back relative to the bottom plate 3 along with the gradual increase of the interval distance between the inclined planes at the flared structure.
The utility model has simple operation, effectively ensures reliable traction and transportation of the round tube, does not influence the shape of the round tube due to clamping, ensures the quality of the round tube and has good practicability.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (10)
1. The utility model provides a bellows welded tube centre gripping draw gear which characterized in that: including controlling the subassembly of holding, its specific structure is: the clamping device comprises a bottom plate (3), wherein clamp bodies (2) are arranged on the bottom plate (3) in a left-right moving manner, the opposite ends of the two clamp bodies (2) are respectively embedded with embedded chucks (1), and the two embedded chucks (1) are oppositely attached to form a clamping hole for encircling a clamping round tube (50); the outer ends of the clamp bodies (2) are provided with accommodating grooves (21), the accommodating grooves (21) of one clamp body (2) are rotatably provided with idler wheels (7) through vertically arranged pin shafts (11), the accommodating grooves (21) of the other clamp body (2) are rotatably provided with swing arms (6), and the middle parts of the swing arms (6) are provided with the same axial vertical idler wheels (7); one end of the swing arm (6) is rotatably arranged in the accommodating groove (21) through the rotating shaft (9), and the other end of the swing arm (6) is attached to the inner side surface of the accommodating groove (21) and is provided with a spring (14) between the swing arm and the clamp body (2); the bottom plates (3) of the left and right holding assemblies are arranged on chain links of a chain transmission mechanism (31).
2. The bellows weld pipe clamping and pulling apparatus of claim 1, wherein: a stop lever (8) which is vertically arranged is arranged in a containing groove (21) positioned at the outer side of the swinging end of the swinging arm (6), a round hole is formed in the inner side surface of the containing groove (21) positioned at the inner side of the swinging end of the swinging arm (6), a telescopic piece (13) is assembled in the round hole, one end of the telescopic piece (13) extends out of the round hole and is in abutting contact with the swinging end of the swinging arm (6), and the other end of the telescopic piece (13) is positioned in the round hole and is provided with a spring (14).
3. The bellows weld pipe clamping and pulling apparatus of claim 1, wherein: the swinging end of the swinging arm (6) is bent towards the inside of the accommodating groove (21) to form a bending structure; the middle part of swing arm (6) kink department has seted up the groove that holds gyro wheel (7), and gyro wheel (7) level holds in the inslot, and gyro wheel (7) are installed for swing arm (6) rotation via center pin (71).
4. The bellows weld pipe clamping and pulling apparatus of claim 1, wherein: the circumferential outer wall surfaces of the rollers (7) at the two sides of the left and right holding assemblies are outwards protruded out of the outer side surfaces of the corresponding clamp body (2).
5. The bellows weld pipe clamping and pulling apparatus of claim 1, wherein: the device also comprises a rack (30) which is arranged at intervals left and right, wherein guide plates (32) are symmetrically arranged on the top surfaces of the two racks (30), and two ends of the opposite surfaces of the two guide plates (32) are respectively provided with an inclined surface to form an outward-stretching structure; the circumferential surfaces of the rollers (7) on the left side and the right side of the left holding assembly are respectively attached to the inner side surfaces of the two guide plates (32).
6. The bellows weld pipe clamping and pulling apparatus of claim 5, wherein: the inner side surface of the frame (30) positioned below the guide plate (32) is also outwards extended with a walking edge (33) in the horizontal direction, the left end and the right end of the bottom plate (3) are symmetrically provided with vertical wheel seats (5), and the outer side surface of each wheel seat (5) is provided with a walking wheel (4); the travelling wheels (4) comprise two supporting wheels which are positioned on the top surface of the travelling rib (33), one supporting wheel which is positioned on the bottom surface of the travelling rib (33), and three travelling wheels (4) which are positioned at three corners of an inverted isosceles triangle.
7. The bellows weld pipe clamping and pulling apparatus of claim 6, wherein: pin (12) are symmetrically inserted in front and back on the inner side surface of the wheel seat (5), long grooves (22) which are open towards the wheel seat (5) are formed in the front side surface and the back side surface of the clamp body (2), the long grooves (22) are opposite to the corresponding pins (12) in the left-right direction, elastic pieces are arranged in the long grooves (22), one ends of the elastic pieces are hung on the pins (12), and the other ends of the elastic pieces are fixed at the ends of the long grooves (22).
8. The bellows weld pipe clamping and pulling apparatus of claim 5, wherein: an opening structure (40) is arranged above the interval at the end parts of the two frames (30), the opening structure (40) is arranged above the rear end of the guide plate (32) along the traction direction, the top surfaces of the two clamp bodies (2) of the left and right holding assemblies are respectively provided with an axial vertical guide wheel (10), the left and right sides of the opening structure (40) are provided with symmetrical inclined surface structures, and the two guide wheels (10) on the left and right holding assemblies are respectively attached to the corresponding inclined surface structures; the inclined surface structure is parallel to the inclined surface on the inner side of the end part of the guide plate (32).
9. The bellows weld pipe clamping and pulling apparatus of claim 8, wherein: the opening structure (40) comprises a bracket (41) which is transversely arranged above the interval between the two frames (30), an extension arm (42) is arranged in the center of the bracket (41) forwards, an outer supporting plate (43) is arranged on the bottom surface of the end part of the extension arm (42), and the left side surface and the right side surface of the outer supporting plate (43) are of symmetrical inclined structures.
10. The bellows weld pipe clamping and pulling apparatus of claim 1, wherein: the chain transmission mechanism (31) comprises two groups which are arranged in parallel at a left-right interval, the bottom surfaces of the bottom plates (3) of the left-right holding assemblies are simultaneously arranged on corresponding chain links of the two groups of chain transmission mechanisms (31), and the two groups of chain transmission mechanisms (31) are driven to transmit by the same power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320664050.4U CN219562041U (en) | 2023-03-28 | 2023-03-28 | Clamping traction device for corrugated pipe welded pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320664050.4U CN219562041U (en) | 2023-03-28 | 2023-03-28 | Clamping traction device for corrugated pipe welded pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219562041U true CN219562041U (en) | 2023-08-22 |
Family
ID=87657475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320664050.4U Active CN219562041U (en) | 2023-03-28 | 2023-03-28 | Clamping traction device for corrugated pipe welded pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219562041U (en) |
-
2023
- 2023-03-28 CN CN202320664050.4U patent/CN219562041U/en active Active
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