CN215696977U - Galvanized pipe port circumference prosthetic devices - Google Patents

Abstract

The utility model discloses a galvanized pipe port circumference repairing device which comprises a main board and a threaded cylinder, wherein a large nut is fixedly arranged at the center of the main board, the threaded cylinder is in threaded connection with the large nut, a repairing mechanism is arranged at one end, extending into a galvanized pipe, of the threaded cylinder, two pressing mechanisms matched with each other to press the galvanized pipe are arranged at one end, facing the galvanized pipe, of the main board, a pressing driving mechanism is arranged on the main board, and the pressing driving mechanism is in transmission connection with two first screws and used for driving two pressing plates to synchronously move towards or away from each other. The repairing device is convenient to use and simple to operate, the pressing driving mechanism drives the two pressing mechanisms to synchronously move by rotating the first rocking handle, the two pressing plates are synchronously close to the galvanized pipe to be repaired and press the galvanized pipe to be repaired, the central axis of the large nut is ensured to be superposed with the central axis of the galvanized pipe, and then the repairing arc plate is attached to the inner wall of the galvanized pipe and rotates along the center of the galvanized pipe during repairing, so that the repairing effect is improved.

Description

Galvanized pipe port circumference prosthetic devices

Technical Field

The utility model relates to the field of galvanized pipes, in particular to a galvanized pipe port circumference repairing device.

Background

The galvanized steel pipe is a welded steel pipe with a hot-dip coating or an electro-galvanizing layer on the surface, and the galvanizing can improve the corrosion resistance of the steel pipe and prolong the service life. The galvanized pipe has wide application, and can be used as a pipeline outside a common low-pressure fluid such as water, gas, oil and the like, an oil well pipe and an oil delivery pipe of the petroleum industry, particularly an offshore oil field, an oil heater, a condenser cooler and a pipe for a coal distillation and washing oil exchanger of chemical coking equipment, a trestle pipe pile, a support frame pipe of a mine tunnel and the like.

Galvanized steel pipe both ends easy deformation after processing, influence product quality, prior art is like a galvanized pipe port circumference prosthetic devices of 201820027803.X, thereby it rotates through rotating the dabber drive four ejector pins, adjust the intraductal circle of galvanized steel through the top, but the height of top is in advance adjusted to put into the galvanized pipe again, can't be in the galvanized pipe according to its suitable height-adjusting of department of deformation, if galvanized pipe mouth department indent, then it can't insert the top of suitable height in the galvanized pipe, thereby can't carry out the circumference to the galvanized pipe port and restore.

The utility model discloses a galvanized pipe port circumference repairing device with the patent number of 201920590444.3, which is an invention previously applied by the applicant, and is characterized in that a repairing arc plate with an adjustable position is arranged, the position of the repairing arc plate can be flexibly adjusted in a galvanized pipe according to the actual deformation condition, the circumferential degree of the opening parts of the galvanized pipe with different pipe diameters can be adjusted conveniently and flexibly, when the device is used, a main plate is firstly arranged at the port of the galvanized pipe, then the main plate is fixed at the port of the galvanized pipe by screwing a set screw, and the same screwing angle of the set screw is ensured during fixing, so that the central axis of a large nut is coincident with the central axis of the galvanized pipe. However, in actual operation, the two set screws are manually screwed respectively, so that the screwing angles of the two set screws are not easy to be the same, and the coincidence of the central axis of the large nut and the central axis of the galvanized pipe cannot be ensured, so that the repairing effect is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and designs a galvanized pipe port circumference repairing device.

The technical scheme of the utility model for achieving the aim is that the galvanized pipe port circumference repairing device comprises a main board and a threaded cylinder, wherein a large nut is fixedly arranged at the center of the main board, an external thread in threaded connection with the large nut is arranged on the outer wall of the middle section of the threaded cylinder, the threaded cylinder is in threaded connection with the large nut through the external thread, sealing covers are fixed at two ends of the threaded cylinder, a repairing mechanism is arranged at one end, extending into the galvanized pipe, of the threaded cylinder, two pressing mechanisms matched with each other to press the galvanized pipe are arranged at one end, facing the galvanized pipe, of the main board, the two pressing mechanisms are symmetrically arranged on the main board along the axis of the large nut, each pressing mechanism comprises a transverse plate fixed on the main board and a pressing plate used for pressing the galvanized pipe, a first screw rod is rotatably arranged on the transverse plate, a first guide sleeve and an internal threaded pipe in threaded connection with the first screw rod are fixed on the pressing plate, and a first guide rod is slidably arranged in the first guide sleeve, one end of the first guide rod extends out of the first guide sleeve and is fixedly connected with the transverse plate; the main board is provided with a pressing driving mechanism which is in transmission connection with the two first screw rods and is used for driving the two pressing plates to synchronously move towards or away from each other; the pressing driving mechanism comprises two rotating shafts arranged on a main board, a first bevel gear is arranged on a first screw rod, a transmission synchronous belt wheel and a second bevel gear are arranged on the rotating shafts, the second bevel gear is meshed with the first bevel gear on the same side of the second bevel gear, guide synchronous belt wheels are arranged on the main board and located on two sides of a large nut, the transmission synchronous belt wheels and the guide synchronous belt wheels are in transmission connection through a synchronous transmission belt, and a first rocking handle is arranged on one rotating shaft.

Preferably, a second screw rod, a sliding rod and a nut seat are arranged in the threaded cylinder, the second screw rod rotates on the two sealing covers, the sliding rod is fixedly installed on the two sealing covers, the nut seat is sleeved on the second screw rod and the sliding rod and is in threaded connection with the second screw rod, and the nut seat is in sliding connection with the sliding rod.

Preferably, repair the mechanism including repairing arc board, second guide sleeve and second guide bar, it is peripheral at a screw thread section of thick bamboo that the arc board is the circumference along a screw thread section of thick bamboo axis to repair the arc board, and the second guide bar is fixed respectively in four edges of repairing the arc board, is fixed with the second guide sleeve with second guide bar one-to-one on the screw thread section of thick bamboo, and second guide bar cartridge is in second guide sleeve, and it has the opening with repairing arc board one-to-one to open on the screw thread section of thick bamboo, and it articulates the articulated slab through interlude open-ended with the nut seat to repair the arc board.

Preferably, the number of the repair arc plates is three, and the cross section of the nut seat is a regular hexagon.

Preferably, one end of the second screw rod extends out of the thread cylinder and is provided with a second rocking handle.

Preferably, the third rocking handle is radially fixed at one end of the threaded barrel, which is far away from the galvanized pipe.

Preferably, the main board is provided with a hollow hole.

Preferably, a handle is mounted at one end of the main plate close to the first rocking handle.

Preferably, the anti-skidding rubber pad is installed to the one end of clamp plate dorsad internal thread pipe.

The utility model has the beneficial effects that: through rotating first rocking handle, make two hold-down mechanism synchronous motion of hold-down actuating mechanism drive, make two clamp plates draw close to the galvanized pipe that treats the restoration in step and compress tightly the galvanized pipe that treats the restoration, guarantee the axis coincidence of axis and galvanized pipe of big nut, and then make when restoreing restoration arc board laminating galvanized pipe inner wall and have enough to meet the need along the galvanized pipe center, improve the restoration effect.

Drawings

FIG. 1 is a state diagram one of the prosthetic device of the present invention in use;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a second state view of the prosthetic device of the present invention in use;

FIG. 4 is an elevation view of a prosthetic device of the utility model;

FIG. 5 is a right side view at the main plate (hiding the threaded barrel portion);

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 1;

in the figure, 1, a main board; 2. a threaded barrel; 3. a large nut; 4. sealing the cover; 5. a transverse plate; 6. galvanizing the pipe; 7. pressing a plate; 8. a first screw; 9. a first guide sleeve; 10. an internally threaded tube; 11. a first guide bar; 12. a rotating shaft; 13. a transmission synchronous belt pulley; 14. a second bevel gear; 15. a first bevel gear; 16. a guide synchronous pulley; 17. a synchronous drive belt; 18. a first rocking handle; 19. a second screw; 20. a slide bar; 21. a nut seat; 22. repairing the arc plate; 23. a second guide sleeve; 24. a second guide bar; 25. an opening; 26. a hinge plate; 27. a second rocking handle; 28. a third rocking handle; 29. hollowing out holes; 30. a handle; 31. anti-skid rubber pad.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-6: a galvanized pipe port circumference repairing device comprises a main board 1 and a threaded cylinder 2, wherein a large nut 3 is fixedly arranged at the center of the main board 1, an external thread in threaded connection with the large nut 3 is arranged on the outer wall of the middle section of the threaded cylinder 2, the threaded cylinder 2 is in threaded connection with the large nut 3 through the external thread, sealing covers 4 are fixed at two ends of the threaded cylinder 2, a repairing mechanism is installed at one end, extending into a galvanized pipe 6, of the threaded cylinder 2, two pressing mechanisms matched with each other to press the galvanized pipe 6 are installed at one end, facing the galvanized pipe 6, of the main board 1, the two pressing mechanisms are symmetrically arranged on the main board 1 along the axis of the large nut 3, each pressing mechanism comprises a transverse plate 5 fixed on the main board 1 and a pressing plate 7 used for pressing the galvanized pipe 6, a first screw 8 is rotatably installed on the transverse plate 5, the first screw 8 is rotatably installed on the transverse plate 5 through a bearing, a first guide sleeve 9 and an internal threaded pipe 10 in threaded connection with the first screw 8 are fixed on the pressing plate 7, a first guide rod 11 is slidably mounted in the first guide sleeve 9, and one end of the first guide rod 11 extends out of the first guide sleeve 9 and is fixedly connected with the transverse plate 5; the main board 1 is provided with a pressing driving mechanism which is in transmission connection with the two first screw rods 8 and is used for driving the two pressing plates 7 to synchronously move towards or away from each other; the pressing driving mechanism comprises two rotating shafts 12 arranged on the main board 1, the two rotating shafts 12 are rotatably arranged on the main board 1 through the rotating shafts 12, a first bevel gear 15 is arranged on the first screw 8, a transmission synchronous belt pulley 13 and a second bevel gear 14 are arranged on the rotating shafts 12, the second bevel gear 14 is meshed and connected with the first bevel gear 15 on the same side of the second bevel gear, guide synchronous belt pulleys 16 are also arranged on the main board 1 and positioned on two sides of the large nut 3, and the transmission synchronous belt pulleys 13 and the guide synchronous belt pulleys 16 are in transmission connection through a synchronous transmission belt 17; by arranging the guide synchronous belt wheel 16, the synchronous transmission belt 17 can be prevented from contacting the threaded cylinder 2; one of the rotating shafts 12 is provided with a first rocking handle 18, and the rotating shaft 12 can be conveniently rotated by arranging the first rocking handle 18 so as to control the pressure plates 7 to be back to back or close to each other.

A second screw rod 19, a sliding rod 20 and a nut seat 21 are arranged in the threaded cylinder 2, the second screw rod 19 rotates on the two sealing covers 4 through a bearing, the sliding rod 20 is fixedly installed on the two sealing covers 4, the nut seat 21 is sleeved on the second screw rod 19 and the sliding rod 20, the nut seat 21 is in threaded connection with the second screw rod 19, and the nut seat 21 is in sliding connection with the sliding rod 20.

Repair the mechanism including repairing arc board 22, second guide sleeve 23 and second guide bar 24, it is peripheral at a screw thread section of thick bamboo 2 along 2 axis of screw thread section of thick bamboo to repair arc board 22, second guide bar 24 is fixed respectively at four edges of repairing arc board 22, be fixed with the second guide sleeve 23 with 24 one-to-one of second guide bar on the screw thread section of thick bamboo 2, 24 cartridge of second guide bar are in second guide sleeve 23, it has the opening 25 with repairing arc board 22 one-to-one to open on the screw thread section of thick bamboo 2, it is articulated through the articulated slab 26 of interlude opening 25 with nut seat 21 to repair arc board 22. The number of the repair arc plates 22 is three, and the section of the nut seat 21 is a regular hexagon.

In order to drive the second screw 19 to rotate, a second crank 27 is mounted on one end of the second screw 19 extending out of the threaded cylinder 2.

To facilitate the rotation of the threaded cylinder 2, a third crank 28 is fixed radially at the end of the threaded cylinder 2 remote from the galvanized pipe 6.

In order to reduce the weight of the main board 1, a hollow hole 29 is formed in the main board 1. The number of the hollow holes 29 is two, and the hollow holes are symmetrically distributed on the main board 1 along the center of the main board 1.

To facilitate carrying of the device, a handle 30 is mounted to the main panel 1 adjacent the end having the first rocking handle 18. By pulling the handle 30, the device can be carried conveniently, and the handle 30 can be held when the galvanized pipe 6 is repaired, so that the galvanized pipe 6 can be repaired conveniently.

In order to improve the pressing friction force of the pressing plate 7 on the galvanized pipe 6 and avoid the pressing plate 7 from crushing the galvanized pipe 6, an anti-skid rubber pad 31 is arranged at one end of the pressing plate 7, which is back to the internally threaded pipe 10. Through setting up anti-skidding rubber pad 31, can improve the frictional force of clamp plate 7 to galvanized pipe 6 for clamp plate 7 compresses tightly more stably, and anti-skidding rubber pad 31 has certain elasticity simultaneously, can avoid clamp plate 7 to crush galvanized pipe 6.

The working principle of the embodiment is as follows: the device is pulled by a lifting handle 30, the main board 1 is placed at the port of the galvanized pipe 6, the repair mechanism enters the galvanized pipe 6, and then a first rocking handle 18 is screwed, as shown in fig. 1, the first rocking handle 18 drives a rotating shaft 12 and a transmission synchronous belt wheel 13 to rotate, the transmission synchronous belt wheel 13 drives another transmission synchronous belt wheel 13 to synchronize through a synchronous transmission belt 17, the rotating shaft 12 rotates, the two rotating shafts 12 rotate synchronously and drive a first bevel gear 15 and a first screw 8 to rotate through a second bevel gear 14, the first screw 8 drives the internally threaded pipe 10 to move under the guiding action of a second guide sleeve 23 and a first guide rod 11, the two internally threaded pipes 10 drive two pressing plates 7 to move oppositely and press and fix the galvanized pipe 6, and at the moment, the central axis of the large nut 3 is superposed with the central axis of the galvanized pipe 6;

then screwing the second rocking handle 27, the second rocking handle 27 drives the second screw rod 19 to rotate, the nut seat 21 converts the rotation motion of the second screw rod 19 into linear motion and drives the hinged plate 26 to move, the hinged plate 26 drives the repairing arc plate 22 to move, and the repairing arc plate 22 moves along the radial direction of the threaded barrel 2 under the guiding and limiting effects of the second guide sleeve 23 and the second guide rod 24;

when the repair arc plate 22 abuts against the inner wall of the galvanized pipe 6, the second rocking handle 27 is stopped to be screwed, the third rocking handle 28 is screwed, as shown in fig. 3, the third rocking handle 28 drives the threaded cylinder 2 to rotate, the threaded cylinder 2 is in threaded connection with the large nut 3, the threaded cylinder 2 can be screwed into or selected from the galvanized pipe 6 by selecting different screwing directions, in the rotating process of the threaded cylinder 2, the threaded cylinder 2 drives the repair arc plate 22 to rotate together through the second guide sleeve 23 and the second guide rod 24, and the repair arc plate 22 is in deformation contact with the galvanized pipe 6 and is repaired in the rotating process.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (9)

1. A galvanized pipe port circumference repairing device comprises a main board (1) and a threaded cylinder (2), wherein a large nut (3) is fixedly installed at the center of the main board (1), external threads connected with the large nut (3) through threads are arranged on the outer wall of the middle section of the threaded cylinder (2), the threaded cylinder (2) is connected with the large nut (3) through the external threads, sealing covers (4) are fixed at two ends of the threaded cylinder (2), a repairing mechanism is installed at one end, extending into a galvanized pipe (6), of the threaded cylinder (2), and is characterized in that two pressing mechanisms matched with each other to press the galvanized pipe (6) are installed at one end, facing the galvanized pipe (6), of the main board (1), and are symmetrically arranged on the main board (1) along the axis of the large nut (3), and each pressing mechanism comprises a transverse plate (5) fixed on the main board (1) and a pressing plate (7) used for pressing the galvanized pipe (6), a first screw rod (8) is rotatably mounted on the transverse plate (5), a first guide sleeve (9) and an internal threaded pipe (10) in threaded connection with the first screw rod (8) are fixed on the pressing plate (7), a first guide rod (11) is slidably mounted in the first guide sleeve (9), and one end of the first guide rod (11) extends out of the first guide sleeve (9) and is fixedly connected with the transverse plate (5); the main board (1) is provided with a pressing driving mechanism which is in transmission connection with the two first screw rods (8) and is used for driving the two pressing plates (7) to synchronously move towards or away from each other; the pressing driving mechanism comprises two rotating shafts (12) installed on a main board (1), a first bevel gear (15) is installed on a first screw rod (8), a transmission synchronous pulley (13) and a second bevel gear (14) are installed on each rotating shaft (12), the second bevel gear (14) is meshed with the first bevel gear (15) on the same side of the second bevel gear, a guide synchronous pulley (16) is installed on the main board (1) and located on two sides of a large nut (3), the transmission synchronous pulley (13) is in transmission connection with the guide synchronous pulley (16) through a synchronous transmission belt (17), and a first rocking handle (18) is installed on one rotating shaft (12).

2. The galvanized pipe port circumference prosthetic devices of claim 1, characterized in that, be equipped with second screw rod (19), slide bar (20) and nut seat (21) in screw cylinder (2), second screw rod (19) rotate on two closing caps (4), slide bar (20) fixed mounting is on two closing caps (4), nut seat (21) suit is on second screw rod (19) and slide bar (20), nut seat (21) and second screw rod (19) threaded connection, nut seat (21) and slide bar (20) sliding connection.

3. The galvanized pipe port circumference prosthetic devices of claim 2, characterized in that, the prosthetic mechanism includes repair arc board (22), second guide sleeve (23) and second guide bar (24), repair arc board (22) is the circumference along screw thread section of thick bamboo (2) and distributes in screw thread section of thick bamboo (2) periphery, second guide bar (24) are fixed respectively in four edges and corners of repairing arc board (22), be fixed with on the screw thread section of thick bamboo (2) with second guide bar (24) one-to-one corresponding second guide sleeve (23), second guide bar (24) cartridge is in second guide sleeve (23), screw thread section of thick bamboo (2) is opened and is repaired arc board (22) one-to-one corresponding opening (25), repair arc board (22) and nut seat (21) are articulated through articulated board (26) that pass through opening (25).

4. The galvanized pipe port circumference repair device according to claim 3, characterized in that the number of the repair arc plates (22) is three, and the cross section of the nut seat (21) is a regular hexagon.

5. The galvanized pipe port circumference prosthetic devices of claim 2, characterized in that, the second screw (19) one end stretches out of the threaded barrel (2) and is installed with the second rocking handle (27).

6. The galvanized pipe port circumference prosthetic devices of any one of claims 1-5, characterized in that a third rocking handle (28) is radially fixed to one end of the threaded cylinder (2) far away from the galvanized pipe (6).

7. The galvanized pipe port circumference prosthetic devices of claim 6, characterized in that, the mainboard (1) is equipped with fretwork hole (29).

8. Galvanized pipe port circumferential repair device according to claim 7, characterized in that a handle (30) is mounted on the main plate (1) near the end where the first rocking handle (18) is located.

9. The galvanized pipe port circumferential repair device according to claim 8, characterized in that one end of the pressure plate (7) facing away from the internally threaded pipe (10) is provided with an anti-slip rubber pad (31).

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