CN210255827U

CN210255827U - Expansion joint punches and uses fixing device

Info

Publication number: CN210255827U
Application number: CN201920925992.7U
Authority: CN
Inventors: 丁明根
Original assignee: Nanjing Yuntianwave Tube Compensator Co Ltd
Current assignee: Nanjing Yuntianwave Tube Compensator Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-07
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses an expansion joint punches and uses fixing device, which comprises a fixed base, fixing base one side is equipped with the fixed orifices, and the fixing base opposite side is equipped with the backup pad, through slide rail sliding connection between backup pad and the fixing base, the backup pad upper end is equipped with the fixed subassembly of first fixed subassembly and second, first fixed subassembly includes connecting rod, first stopper and limiting plate, the connecting rod passes through spout and backup pad sliding connection, the one end upside at the connecting rod is fixed to first stopper, the limiting plate is located the upper end of spout, and is equipped with the fastening nut who is used for fixed connection pole on the limiting plate, the fixed subassembly of second includes lead screw, second stopper and hand wheel, the hand wheel passes through the one end of screw fixation at the lead screw. Compare with traditional expansion joint fixing device for punching, the utility model discloses it is simple to use, adjust more convenient.

Description

Expansion joint punches and uses fixing device

Technical Field

The utility model relates to an expansion joint processing technology field specifically is an expansion joint punches and uses fixing device.

Background

An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell, and avoiding causing strength damage, instability damage and tube pull-out damage, wherein the wave-shaped expansion joint is most widely applied. The conventional bellows expansion joint is mainly composed of two end pipes and a bellows, wherein the bellows is located between the two end pipes, and the two end pipes are fixed together through a pull rod and a nut. Because need two fixed orificess at least on the end pipe, consequently need adjust its position when punching, traditional drilling equipment fixture adjusts inconveniently, has seriously influenced production efficiency.

Therefore, a fixing device for perforating the expansion joint is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an expansion joint punches and uses fixing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for punching an expansion joint comprises a fixing seat, wherein one side of the fixing seat is provided with a fixing hole, the other side of the fixing seat is provided with a supporting plate, the supporting plate is connected with the fixing seat in a sliding manner through a sliding rail, a first fixing component and a second fixing component are arranged at the upper end of the supporting plate, the first fixing component comprises a connecting rod, a first limiting block and a limiting plate, the connecting rod is connected with the supporting plate in a sliding manner through a sliding groove, the first limiting block is fixed at the upper side of one end of the connecting rod, the limiting plate is positioned at the upper end of the sliding groove, a fastening nut for fixing the connecting rod is arranged on the limiting plate, the second fixing component comprises a lead screw, a second limiting block and a hand wheel, the hand wheel is fixed at one end of the lead screw through, and the second limiting block is in transmission connection with the screw rod through a screw rod nut.

The first fixing component and the second fixing component are arranged on the supporting plate, the position of the first fixing component is fixed at ordinary times, the distance between the first limiting block on the first fixing component and the second limiting block on the second fixing component can be adjusted, when the connecting rod is used, only the fastening nut needs to be screwed, and then the connecting rod can be moved horizontally, the second limiting block on the second fixing component can move under the driving of the screw rod, when the workpiece is fixed, the workpiece only needs to be sleeved on the first limiting block and the second limiting block, then the hand wheel is rotated, the second limiting block moves towards the direction opposite to the first limiting block under the driving of the screw rod, so that the workpiece can be tensioned, and when the adjustment is needed, the hand wheel can be rotated again.

Preferably, the sliding groove is a T-shaped sliding groove.

Preferably, the first limiting block and the connecting rod and the second limiting block and the screw rod nut are fixedly connected through thread grooves.

The first limiting block and the second limiting block are detachable, so that the first limiting block and the second limiting block can be replaced according to different sizes of workpieces.

Preferably, the supporting plate is provided with an opening matched with the second limiting block.

Preferably, the middle part symmetry of backup pad is equipped with two fan-shaped fixed slots, and is equipped with a plurality of deflector roll in the fan-shaped fixed slot.

This setting can make more laborsaving when adjusting the work piece angle.

Preferably, the first limiting block and the second limiting block are both semicircular.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the fixed subassembly of a first fixed subassembly and second in the backup pad, the position of the first fixed subassembly is fixed at ordinary times, the interval of the first stopper on the first fixed subassembly and the second stopper on the fixed subassembly of second can be adjusted, during the use, only need twist and move fastening nut, but then horizontal migration connecting rod, the second stopper on the fixed subassembly of second can move about under the drive of lead screw, when fixing the work piece, only need cup joint the work piece on first stopper and second stopper earlier, then rotate the hand wheel, the second stopper is to the opposite direction motion of first stopper under the drive of lead screw, just so can be taut with the work piece, when needing to adjust, the hand wheel can be rotated once more. Compare with traditional expansion joint fixing device for punching, the utility model discloses it is simple to use, adjust more convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the supporting plate of the present invention;

fig. 3 is a sectional view of the chute of the present invention.

In the figure: 1. a fixed seat; 2. a fixing hole; 3. a support plate; 4. a first fixed component; 5. a second fixed component; 6. a connecting rod; 7. a first stopper; 8. a limiting plate; 9. a chute; 10. fastening a nut; 11. a screw rod; 12. a second limiting block; 13. a hand wheel; 14. an opening; 15. a fan-shaped fixing groove; 16. and a guide roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a fixing device for punching expansion joints, which comprises a fixing seat 1, wherein one side of the fixing seat 1 is provided with a fixing hole 2, the other side of the fixing seat 1 is provided with a supporting plate 3, the supporting plate 3 is connected with the fixing seat 1 in a sliding way through a sliding rail, the upper end of the supporting plate 3 is provided with a first fixing component 4 and a second fixing component 5, the first fixing component 4 comprises a connecting rod 6, a first limiting block 7 and a limiting plate 8, the connecting rod 6 is connected with the supporting plate 3 in a sliding way through a sliding groove 9, the first limiting block 7 is fixed at the upper side of one end of the connecting rod 6, the limiting plate 8 is positioned at the upper end of the sliding groove 9, the limiting plate 8 is provided with a fastening nut 10 for fixing the connecting rod 6, the second fixing component 5 comprises a screw rod 11, a second limiting block 12 and a, and the other end of the screw rod 11 is rotatably connected with the supporting plate 3 through a bearing seat, the second limiting block 12 is positioned at the upper end of the screw rod 11, and the second limiting block 12 is in transmission connection with the screw rod 11 through a screw rod nut.

Specifically, the chute 9 is a T-shaped chute.

Specifically, the first limiting block 7 and the connecting rod 6, and the second limiting block 12 and the lead screw nut are fixedly connected through thread grooves.

Specifically, an opening 14 matched with the second limiting block 12 is formed in the supporting plate 3.

Specifically, the middle part symmetry of backup pad 3 is equipped with two fan-shaped fixed slots 15, and is equipped with a plurality of deflector roll 16 in the fan-shaped fixed slot 15.

Specifically, the first stopper 7 and the second stopper 12 are both semicircular.

When in use, the device can be fixed on a frame through the fixing hole 2 and the screw, the supporting plate 3 is connected with the fixed seat 1 in a sliding way, the position of the first fixing component 4 is fixed at ordinary times, when in need of adjustment, only the fastening nut 10 needs to be screwed, then the connecting rod 6 can be horizontally moved, the second limit block 12 on the second fixing component 5 can move under the driving of the screw rod 11, when the workpiece is fixed, the workpiece is only required to be sleeved on the first limiting block 7 and the second limiting block 12, then the hand wheel 13 is rotated, the second limit block 12 is driven by the screw rod 11 to move towards the direction opposite to the first limit block 7, therefore, the workpiece can be tensioned, when the workpiece needs to be adjusted, the hand wheel 13 is loosened, then the workpiece is rotated, the adjustment of the workpiece can be more labor-saving under the action of the fan-shaped fixing groove 15 and the guide roller 16, and then the hand wheel 13 is rotated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an expansion joint punches and uses fixing device, includes fixing base (1), its characterized in that: the fixing device is characterized in that a fixing hole (2) is formed in one side of the fixing seat (1), a supporting plate (3) is arranged on the other side of the fixing seat (1), the supporting plate (3) is connected with the fixing seat (1) in a sliding mode through a sliding rail, a first fixing component (4) and a second fixing component (5) are arranged at the upper end of the supporting plate (3), the first fixing component (4) comprises a connecting rod (6), a first limiting block (7) and a limiting plate (8), the connecting rod (6) is connected with the supporting plate (3) in a sliding mode through a sliding groove (9), the first limiting block (7) is fixed to the upper side of one end of the connecting rod (6), the limiting plate (8) is located at the upper end of the sliding groove (9), a fastening nut (10) used for fixing the connecting rod (6) is arranged on the limiting plate (8), the second fixing component (5) comprises a, the hand wheel (13) is fixed at one end of the screw rod (11) through a screw, the other end of the screw rod (11) is rotatably connected with the supporting plate (3) through a bearing seat, the second limiting block (12) is located at the upper end of the screw rod (11), and the second limiting block (12) is in transmission connection with the screw rod (11) through a screw rod nut.

2. The expansion joint punching fixing device according to claim 1, wherein: the sliding groove (9) is a T-shaped sliding groove.

3. The expansion joint punching fixing device according to claim 1, wherein: the first limiting block (7) is fixedly connected with the connecting rod (6) through a thread groove, and the second limiting block (12) is fixedly connected with the screw rod nut through a thread groove.

4. The expansion joint punching fixing device according to claim 1, wherein: an opening (14) matched with the second limiting block (12) is formed in the supporting plate (3).

5. The expansion joint punching fixing device according to claim 1, wherein: the middle part symmetry of backup pad (3) is equipped with two fan-shaped fixed slots (15), and is equipped with a plurality of deflector roll (16) in fan-shaped fixed slot (15).

6. The expansion joint punching fixing device according to claim 1, wherein: the first limiting block (7) and the second limiting block (12) are both semicircular.