CN216633273U

CN216633273U - Tube bundle replacing device

Info

Publication number: CN216633273U
Application number: CN202123085755.0U
Authority: CN
Inventors: 杨永强; 高松林; 单杰; 杨彦明; 李海利; 朱朝刚; 李平; 孙振翔
Original assignee: Ningxia Jinyuhai Chemical Co ltd
Current assignee: Ningxia Jinyuhai Chemical Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-31
Anticipated expiration: 2031-12-09

Abstract

A tube bundle replacing device comprises a driving assembly, a traction assembly, an adjusting assembly, a horizontal adjusting part and a horizontal adjusting part, wherein the driving assembly is positioned on a frame body, the traction assembly is positioned on the driving assembly, the adjusting assembly is positioned on the traction assembly, the driving assembly can drive the traction assembly to reciprocate along the axial direction of a tube bundle, the traction assembly comprises a sliding block and a traction part, the sliding block is connected with the driving assembly, the adjusting block is positioned on the upper part of the sliding block, the top of the sliding block is provided with a sliding chute, the adjusting assembly comprises a horizontal adjusting part, the horizontal adjusting part comprises a horizontal adjusting block, the horizontal adjusting block can move along the sliding chute, the moving direction of the horizontal adjusting block is vertical to the moving direction of the sliding block, the traction part is connected with the horizontal adjusting block, when the tube bundle replacing device moves to the end part of a heat exchanger, the traction part is not in the horizontal radial direction of the tube bundle to be replaced, the horizontal adjusting block is connected with the traction part, the horizontal adjusting block can drive the traction part to move, so that the traction part aims at the horizontal center of the tube bundle, so that the tube bundle is drawn out along the axial direction, and the friction between the tube bundle and the tube wall of the heat exchanger is reduced.

Description

Tube bundle replacing device

Technical Field

The utility model relates to the technical field of tube bundle core pulling machines, in particular to a tube bundle replacing device.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The tube bundle in the heat exchanger can be scaled and corroded after being used for a long time, the heat exchanger is leaked, the tube bundle needs to be replaced, the tube bundle core-pulling machine can pull out the tube bundle of the heat exchanger from a shell of the heat exchanger and replace the tube bundle.

In the process of extracting the tube bundle, the traction device of the tube bundle core extractor needs to be moved to the position of the axis of the heat exchanger through the crane, but the position of the tube bundle core extractor is not accurate enough when the tube bundle core extractor is moved through the crane, so that the tube bundle is easy to rub against the wall of the heat exchanger in the process of extracting the tube bundle.

Disclosure of Invention

In view of the above, it is desirable to provide a tube bundle replacing device that reduces friction between the tube bundle and the heat exchanger.

Including support body, drive assembly, traction assembly, adjusting part, traction assembly includes the slider, pulls the piece, the spout is seted up at the top of slider, adjusting part includes horizontal adjustment portion, horizontal adjustment portion includes the horizontal adjustment piece, drive assembly is located on the support body, the slider is located drive assembly is last, the horizontal adjustment piece is located the upper portion of slider, the horizontal adjustment piece with it connects to pull the piece, drive assembly can drive the axial reciprocating motion of bundle is followed to the slider, the horizontal adjustment piece can be followed the spout motion, the direction of motion of horizontal adjustment piece with the direction of motion of slider is perpendicular, the horizontal adjustment piece can drive pull a horizontal motion, so that pull the horizontal center that the piece aimed at the bundle.

Preferably, the horizontal adjusting part further comprises positioning parts, the positioning parts are arranged on two sides of the horizontal adjusting block, horizontal adjusting holes are formed in two sides of the sliding groove, one end of each positioning part is connected with the horizontal adjusting block, and the other end of each positioning part penetrates through the corresponding horizontal adjusting hole.

Preferably, the adjusting part still includes vertical adjusting part, vertical adjusting part includes adjusting bolt, sleeve, the regulating block link up along the tube bank axial, the sleeve is located the inside of horizontal adjusting block, adjusting bolt's one end with horizontal adjusting block threaded connection, adjusting bolt's the other end with muffjoint, the shaft-like portion of traction piece passes the sleeve.

Preferably, the traction piece comprises a hook-shaped part and a connecting rod, the hook-shaped part is connected with one end of the connecting rod, and the connecting rod penetrates through the sleeve.

Preferably, the adjusting assembly further comprises a spring, a blocking piece is arranged at the other end of the connecting rod, the spring is sleeved on the connecting rod, one end of the spring is connected with the blocking piece, and the other end of the spring is connected with the sleeve.

Preferably, the horizontal adjusting block is provided with a fixing plate, the fixing plate is connected with the horizontal adjusting block, the fixing plate is close to the hook-shaped part, the fixing plate is provided with a vertical strip hole, and the connecting rod can move up and down along the vertical strip hole.

Preferably, drive assembly includes motor, lead screw, the motor sets up the one end of support body, the lead screw is located the inside of support body, the output of motor with the one end of lead screw is connected, the other end of lead screw with the support body rotates to be connected, the lead screw with slider threaded connection.

Preferably, the tube bundle replacing device further comprises a support block, the support block is connected with the lead screw, and the support block is far away from a driving part of the driving assembly relative to the traction assembly.

Preferably, the top of the supporting block is arc-shaped.

Preferably, the top of the supporting block is provided with an elastic wear-resistant layer, and the elastic wear-resistant layer is detachably connected with the supporting block.

Compared with the prior art, the utility model has the beneficial effects that:

the traction assembly is provided with an adjusting assembly, when the tube bundle replacing device moves to the end part of the heat exchanger and the traction assembly is not at the horizontal center of a replaced tube bundle, the horizontal adjusting block is moved, the traction piece is connected with the horizontal adjusting block, and the horizontal adjusting block can drive the traction piece to move horizontally, so that the traction piece is aligned with the horizontal center of the tube bundle, the tube bundle is axially drawn out, and friction with the wall of the heat exchanger is reduced.

Drawings

Fig. 1 is a schematic structural view of the tube bundle replacing device.

Fig. 2 is another schematic structural view of the tube bundle replacing device.

Fig. 3 is a schematic view of the pulling assembly and the adjustment assembly.

Fig. 4 is a schematic structural diagram of the slider.

Fig. 5 is a schematic structural view of the horizontal adjustment part.

Fig. 6 is a schematic structural view of the vertical adjustment part.

Fig. 7 is a schematic structural view of the traction member.

Fig. 8 is another structural schematic of the horizontal adjustment portion.

Fig. 9 is a front view of the tube bundle changing device.

FIG. 10 is a top view of the tube bundle changing device.

In the figure: tube bundle changing device 10, rack 100, slide rail 110, drive assembly 200, motor 210, lead screw 220, traction assembly 300, slider 310, slide way 311, horizontal adjustment hole 3111, traction piece 312, hook 3121, connecting rod 3122, stop 3123, adjustment assembly 400, horizontal adjustment portion 410, horizontal adjustment block 411, fixing plate 4111, vertical elongated hole 4112, positioning piece 412, vertical adjustment portion 420, adjusting bolt 421, sleeve 422, spring 430, support block 500, and elastic wear layer 510.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 4, an embodiment of the present invention provides a tube bundle replacing device 10, including a frame body 100, a driving assembly 200, a pulling assembly 300, and an adjusting assembly 400, where the pulling assembly 300 includes a slider 310 and a pulling member 312, a sliding slot 311 is formed at a top of the slider 310, the adjusting assembly 400 includes a horizontal adjusting portion 410, the horizontal adjusting portion 410 includes a horizontal adjusting block 411, the driving assembly 200 is located on the frame body 100, the slider 310 is located on the driving assembly 200, the horizontal adjusting block 411 is located at an upper portion of the slider, the horizontal adjusting block 411 is connected to the pulling member 312, the driving assembly 200 can drive the slider 310 to reciprocate along an axial direction of a tube bundle, the horizontal adjusting block 411 can move along the sliding slot 311, a moving direction of the horizontal adjusting block 411 is perpendicular to a moving direction of the slider 310, the horizontal adjusting block 411 can drive the pulling member 312 to move horizontally, so that the pulling member 312 is aligned with the horizontal center of the tube bundle.

Compared with the prior art, the utility model has the beneficial effects that:

the adjusting assembly 400 is arranged on the traction assembly 300, when the tube bundle replacing device moves to the end part of the heat exchanger, the traction assembly 300 is not at the horizontal center of the tube bundle to be replaced, the horizontal adjusting block 411 is moved, the traction member 312 is connected with the horizontal adjusting block 411, and the horizontal adjusting block 411 can drive the traction member 312 to move horizontally, so that the traction member 312 is aligned with the horizontal center of the tube bundle, the tube bundle is drawn out axially, and the friction with the tube wall of the heat exchanger is reduced.

Further, the horizontal adjustment portion 410 further includes a positioning member 412, the positioning member 412 is disposed on two sides of the horizontal adjustment block 411, two sides of the sliding slot 311 are provided with horizontal adjustment holes 3111, one end of the positioning member 412 is connected with the horizontal adjustment block 411, and the other end of the positioning member 412 passes through the horizontal adjustment hole 3111;

specifically, in an embodiment, the positioning member 412 and the horizontal adjustment hole 3111 can slide by themselves, when pulling the tube bundle, the pulling member 312 is not located at the center of the tube bundle, and in the process of pulling out the tube bundle, the tube bundle rubs against the wall of the heat exchanger tube, and the tube bundle can give a pressure to the wall of the heat exchanger tube, and because the tube bundle is pulled out by the inclination angle of the tube bundle, the wall of the heat exchanger tube has a horizontal component force to the tube bundle to drive the horizontal adjustment block to move on the sliding chute, so as to automatically align the horizontal center of the tube bundle, and the moving handle 412 blocks the horizontal adjustment block 411 from sliding out from the sliding chute 311.

Specifically, in another embodiment, the positioning element 412 may be a screw and a nut, one end of the screw penetrates through the horizontal adjusting hole 3111 and is connected to the side wall of the horizontal adjusting block 411, the other end of the screw is connected to the nut, when the position of the horizontal adjusting block 411 needs to be adjusted, the nut is loosened to push the screw to move horizontally, and when the horizontal adjusting block 411 is adjusted to a preset position, the nut is screwed, so that the horizontal adjusting block 411 cannot slide easily.

Further, referring to fig. 2 to 6, the adjusting assembly 400 further includes a vertical adjusting portion 420, the vertical adjusting portion 420 includes an adjusting bolt 421 and a sleeve 422, the horizontal adjusting block 411 passes through the tube bundle axially, the sleeve 422 is located inside the horizontal adjusting block 411, one end of the adjusting bolt 421 is in threaded connection with the horizontal adjusting block 411, the other end of the adjusting bolt 421 is connected with the sleeve 422, the pulling member 312 passes through the sleeve 422, and the pulling member 312 can move up and down by rotation of the adjusting bolt 421, so as to facilitate the pulling member 312 to align with a center of the tube bundle in a vertical radial direction.

Further, referring to fig. 6 and 7, the pulling member 312 includes a hook portion 3121 and a connecting rod 3122, the hook portion 3121 is connected to one end of the connecting rod 3122, and the connecting rod 3122 passes through the sleeve 422.

Further, referring to fig. 6, the adjusting assembly 400 further includes a spring 430, a stop member 3123 is disposed at the other end of the connecting rod 3122, the spring 430 is sleeved on the connecting rod 3122, one end of the spring 430 is connected to the stop member 3123, the other end of the spring 430 is connected to the sleeve 422, and when the driving mechanism is suddenly stopped, the pulling member 312 has backward inertia, and the pulling member 312 is buffered by the spring 430.

Further, please refer to fig. 8, a fixing plate 4111 is disposed on the horizontal adjusting block 411, the fixing plate 4111 is connected to the horizontal adjusting block 411, the fixing plate 4111 is close to the hook portion 3121, a vertical elongated hole 4112 is disposed on the fixing plate 4111, the connecting rod 3122 can move up and down along the vertical elongated hole 4112, so as to further limit the range of motion of the connecting rod 3122 of the towing member 312, and the connecting rod 3122 cannot shake freely.

Further, please refer to fig. 9 and 10, the driving assembly 200 includes a motor 210 and a screw 220, the motor 210 is disposed at one end of the frame body 100, the screw 220 is disposed inside the frame body 100, an output end of the motor 210 is connected to one end of the screw 220, the other end of the screw 220 is rotatably connected to the frame body 100, and the screw 220 is in threaded connection with the sliding block 310.

Further, the tube bundle replacing device further comprises a supporting block 500, wherein the supporting block 500 is connected with the lead screw 220, and the supporting block 500 is far away from the driving part of the driving assembly 200 relative to the traction assembly 300, so that when the tube bundle is pulled out, the supporting of the rear end part of the tube bundle is facilitated.

Further, the top of the supporting block 500 is arc-shaped.

Further, the top of the tray 500 is provided with an elastic wear-resistant layer 510, the elastic wear-resistant layer 510 is detachably connected with the tray 500, the elastic wear-resistant layer 510 can be a sponge, and the elastic wear-resistant layer 510 is detachably connected with the tray 500, so that the elastic wear-resistant layer 510 is easy to replace after being worn.

Further, a slide rail 110 is disposed in the rack body 100, the slide rail 110 is slidably connected to the slide block 310, and the slide block 310 can move on the slide rail 110.

The modules or units in the device of the embodiment of the utility model can be combined, divided and deleted according to actual needs.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A tube bundle replacing device is characterized in that: including support body, drive assembly, traction assembly, adjusting part, traction assembly includes the slider, pulls the piece, the spout is seted up at the top of slider, adjusting part includes horizontal adjustment portion, horizontal adjustment portion includes the horizontal adjustment piece, drive assembly is located on the support body, the slider is located drive assembly is last, the horizontal adjustment piece is located the upper portion of slider, the horizontal adjustment piece with it connects to pull the piece, drive assembly can drive the axial reciprocating motion of bundle is followed to the slider, the horizontal adjustment piece can be followed the spout motion, the direction of motion of horizontal adjustment piece with the direction of motion of slider is perpendicular, the horizontal adjustment piece can drive pull a horizontal motion, so that pull the horizontal center that the piece aimed at the bundle.

2. The tube bundle changing device according to claim 1, wherein: the horizontal adjusting part further comprises a positioning piece, the positioning piece is arranged on two sides of the horizontal adjusting block, horizontal adjusting holes are formed in two sides of the sliding groove, one end of the positioning piece is connected with the horizontal adjusting block, and the other end of the positioning piece penetrates through the horizontal adjusting holes.

3. The tube bundle changing device according to claim 1, wherein: the adjusting assembly further comprises a vertical adjusting portion, the vertical adjusting portion comprises an adjusting bolt and a sleeve, the adjusting block is axially communicated along the tube bundle, the sleeve is located inside the horizontal adjusting block, one end of the adjusting bolt is in threaded connection with the horizontal adjusting block, the other end of the adjusting bolt is connected with the sleeve, and the traction piece penetrates through the sleeve.

4. The tube bundle changing device according to claim 3, wherein: the traction piece comprises a hook-shaped part and a connecting rod, the hook-shaped part is connected with one end of the connecting rod, and the connecting rod penetrates through the sleeve.

5. The tube bundle changing device according to claim 4, wherein: the adjusting component further comprises a spring, a blocking piece is arranged at the other end of the connecting rod, the spring is sleeved on the connecting rod, one end of the spring is connected with the blocking piece, and the other end of the spring is connected with the sleeve.

6. The tube bundle changing device according to claim 4, wherein: the fixing plate is arranged on the horizontal adjusting block and connected with the horizontal adjusting block, the fixing plate is close to the hook-shaped portion, a vertical strip hole is formed in the fixing plate, and the connecting rod can move up and down along the vertical strip hole.

7. The tube bundle changing device according to claim 1, wherein: the drive assembly comprises a motor and a lead screw, the motor is arranged at one end of the support body, the lead screw is located inside the support body, the output end of the motor is connected with one end of the lead screw, the other end of the lead screw is connected with the support body in a rotating mode, and the lead screw is connected with the sliding block in a threaded mode.

8. The tube bundle changing device according to claim 7, wherein: the tube bundle replacing device further comprises a supporting block, the supporting block is connected with the lead screw, and the supporting block is far away from a driving part of the driving assembly relative to the traction assembly.

9. The tube bundle changing device according to claim 8, wherein: the top of the supporting block is arc-shaped.

10. The tube bundle changing device according to claim 9, wherein: the top of the supporting block is provided with an elastic wear-resistant layer, and the elastic wear-resistant layer is detachably connected with the supporting block.