Air expansion shaft maintenance device

Abstract

The utility model relates to the technical field of inflatable shaft maintenance equipment, and particularly discloses an inflatable shaft maintenance device which comprises a supporting mechanism and an inflatable shaft body, the inflatable shaft body is arranged above the supporting mechanism, an end fixing mechanism is arranged at one end of the supporting mechanism, and a traction mechanism is arranged at the end, away from the end fixing mechanism, of the supporting mechanism. The supporting mechanism comprises a bearing plate, the end fixing mechanism comprises a first supporting plate, two limiting plates are symmetrically connected to the side, close to the bearing plate, of the first supporting plate, the traction mechanism comprises a second supporting plate, and limiting rods are arranged on the two sides of the second supporting plate. According to the maintenance device, the distance between the end fixing mechanism and the supporting mechanism and the distance between the traction mechanism and the supporting mechanism can be increased when the maintenance device is used, the maintenance device can be suitable for drawing operation of inflation shaft inflation ends and air bags of various different lengths, the end fixing mechanism and the traction mechanism are pushed back to the two ends of the supporting mechanism, and the overall length of the maintenance device can be reduced; and the space occupied by the maintenance device is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas expansion shaft maintenance equipment, and specifically discloses a gas expansion shaft maintenance device. BACKGROUND

[0002] The gas expansion shaft is also called a gas pressure shaft, Zhang Qizhou, a gas expansion roller and an inflation shaft, is a special winding and unwinding shaft, and after high-pressure inflation, the surface is convex, and after deflation, the convex part of the surface quickly shrinks, so that various pipe cores can be quickly grabbed without wearing the pipe core. The gas expansion shaft is mainly composed of a hollow shaft body, an air bag, a key strip, a shaft head and an air nozzle, and after being used for a period of time, the gas expansion shaft needs to be maintained and repaired to prolong the service life of the gas expansion shaft.

[0003] A gas expansion shaft maintenance device with the patent number CN112936197B is disclosed, which includes a workbench, a first clamping piece and a second clamping piece. The workbench is provided with a first base and a second base, and a hydraulic cylinder is arranged on the first base. The first clamping piece is coaxially arranged at the end of the hydraulic cylinder piston rod, and the first clamping piece includes a first groove part and a first clamping head. The second clamping piece is coaxially arranged at the inflation end of the gas expansion shaft, and the second clamping piece includes a second groove part and a second clamping head. A clamp for clamping the first clamping head and the second clamping head is arranged on the workbench. A first abutting plate is vertically arranged on the second base, and the first abutting plate is provided with an opening for the gas expansion shaft to pass through. The end of the gas expansion shaft away from the inflation end is coaxially provided with an annular groove, and the annular groove is arranged to pass out of the opening in the direction away from the first base and is clamped with a second abutting plate for abutting with the first abutting plate. The second abutting plate is provided with an arc-shaped groove clamped with the annular groove. The present application has the effect of facilitating the pulling of the inflation end, but the above-mentioned maintenance device has the following problems in the actual use process: the length of the gas expansion shaft itself and the lengthening of the hydraulic cylinder are both certain, in order to ensure the smooth pulling of the inflation end and the air bag, the workbench and the entire maintenance device need to have sufficient length, which leads to the fact that the above-mentioned maintenance device occupies a large space when it is idle, and the distance between the first base and the second base in the above-mentioned maintenance device is inconvenient to adjust, so that the hydraulic cylinder and the first base in the above-mentioned maintenance device are not suitable for the pulling operation of the inflation end and the air bag of gas expansion shafts of various lengths, which limits the application range of the above-mentioned maintenance device to a certain extent. Therefore, in order to solve the above-mentioned problems, the utility model provides a gas expansion shaft maintenance device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of air inflation shaft maintenance device, can increase the spacing between end fixing mechanism and pulling mechanism and support mechanism when using, the spacing between third telescopic link and first electric clamp jaw is adjusted synchronously in the process of spacing adjustment, so that the maintenance device can be suitable for the drawing operation of the air inflation shaft inflation end head and air bag of multiple different lengths, when the maintenance device is idle, end fixing mechanism and pulling mechanism are pushed back to the two ends of support mechanism again, reduce the overall length of maintenance device, to save the space occupied by the maintenance device when idle.

[0005] The utility model is realized through the following technical schemes:

[0006] A kind of air inflation shaft maintenance device, including support mechanism and air inflation shaft body, the upper portion of the support mechanism is provided with air inflation shaft body, the side of inflation end head in the air inflation shaft body is provided with second ring groove, the end of second ring groove away from air inflation shaft body is provided with clamping joint, the end of air inflation shaft body away from first ring groove is provided with first ring groove, one end of the support mechanism is provided with end fixing mechanism, the end of the support mechanism away from end fixing mechanism is provided with pulling mechanism, the support mechanism includes bearing plate, the inside of the bearing plate is provided with first limit hole, the end of first limit hole away from pulling mechanism is provided with second limit hole, the middle part of the bearing plate is provided with first through-hole, the inside of the first through-hole is provided with U-shaped plate, the upper portion of the U-shaped plate is connected with arc-shaped support plate, the upper portion of the arc-shaped support plate is provided with arc-shaped pressing plate, the lower portion of the U-shaped plate is symmetrically connected with two first telescopic links, the end fixing mechanism includes first support plate, the side of the first support plate close to bearing plate is symmetrically connected with two limit plates, two limit plates are respectively penetrated into the inside of two second limit holes, the upper portion of the first support plate is provided with first electric clamp jaw, the lower portion of the first electric clamp jaw is connected with second telescopic link, the pulling mechanism includes second support plate, the two sides of the second support plate are provided with limit rod, the upper portion of the second support plate is provided with third telescopic link, the telescopic end of the third telescopic link is connected with second electric clamp jaw.

[0007] As further provided in the above scheme, the lower portions of the bearing plate, first support plate and second support plate are respectively connected with first support leg, second support leg and third support leg, the lower portions of the first support leg, second support leg and third support leg are respectively connected with first universal brake wheel, second universal brake wheel and third universal brake wheel, which facilitates the adjustment of the position of the maintenance device and provides convenience for the spacing adjustment between the support mechanism, end fixing mechanism and pulling mechanism.

[0008] As a further arrangement of the above-mentioned scheme, the two sides of the arc-shaped pressing plate are provided with two first connecting holes, the upper two sides of the arc-shaped supporting plate are provided with two connecting shafts, the connecting shafts penetrate the inside of the first connecting holes, the outside of the connecting shafts is screw-connected with a first nut, which facilitates the disassembly and installation of the arc-shaped pressing plate, provides convenience for the placement of the gas inflation shaft body, the opposite sides of the arc-shaped supporting plate and the arc-shaped pressing plate are provided with arc-shaped silica gel pads, and the gas inflation shaft body is arranged between the two silica gel pads, which can ensure the fixing effect of the arc-shaped supporting plate and the arc-shaped pressing plate on the shaft body in the gas inflation shaft body through the friction between the gas inflation shaft body and the silica gel pad.

[0009] As a further arrangement of the above-mentioned scheme, the outside of the first telescopic rod, the second telescopic rod and the third telescopic rod is respectively connected with a first support seat, a second support seat and a third support seat, the first support seat, the second support seat and the third support seat are respectively connected with the bearing plate, the first supporting plate and the second supporting plate, which facilitates the installation and maintenance of the above-mentioned components and can provide stable support for the above-mentioned three telescopic rods.

[0010] As a further arrangement of the above-mentioned scheme, the two sides of the first limiting hole are provided with limiting sliding grooves, the two sides of the limiting plate are respectively connected with the two limiting sliding grooves in a sliding manner, which can limit the moving direction of the first supporting plate and its connecting components during the adjustment of the distance between the first supporting plate and its connecting components and the bearing plate, avoid the position deviation of the first electrically-driven clamping jaw from the arc-shaped supporting plate and the arc-shaped pressing plate, and reduce the alignment time, the end of the limiting plate away from the first supporting plate is detachably connected with a stop block, which can avoid the complete extraction of the limiting plate from the second limiting hole, and the inside of the first supporting plate is provided with a second through hole, and the second telescopic rod penetrates the inside of the second through hole, which can utilize the space below the first supporting plate to reduce the height of the first telescopic rod and the first electrically-driven clamping jaw after being connected, and reduce the overall height of the end fixing mechanism.

[0011] As a further arrangement of the above-mentioned scheme, the telescopic ends of the second telescopic rod and the third telescopic rod are respectively detachably connected with the first electrically-driven clamping jaw and the second electrically-driven clamping jaw, which facilitates the assembly of the above-mentioned components, the opposite sides of the two clamping jaws of the first electrically-driven clamping jaw and the second electrically-driven clamping jaw are respectively connected with a first arc-shaped clamping plate and a second arc-shaped clamping plate, the opposite sides of the two first arc-shaped clamping plates are provided with first arc-shaped limiting blocks, the opposite sides of the two second arc-shaped clamping plates are provided with second arc-shaped limiting blocks, the second arc-shaped limiting blocks and the first arc-shaped limiting blocks are respectively pressed with the second ring groove and the first ring groove, the side of the second arc-shaped limiting block close to the third telescopic rod is provided with an arc-shaped limiting groove, and the arc-shaped limiting groove is pressed with the connecting head, which can respectively clamp and fix the two ends of the gas inflation shaft, so that the inflation end and the air bag can be pulled out of the shaft body through the telescopic expansion of the third telescopic rod for maintenance.

[0012] As a further arrangement of the above-mentioned scheme, two first pin rods are arranged on both sides of the bearing plate, a second pin rod is arranged on both sides of the second support plate, and a plurality of second connecting holes arranged in a linear array are arranged in the interior of the limiting plate, the first pin rod and the second pin rod are arranged to penetrate the interior of the second connecting hole, and the exterior of the first pin rod and the second pin rod is threadedly connected with a second nut, so as to adjust the second connecting hole into which the first pin rod and the second pin rod are inserted and fix the same by using the second nut, so as to align the pulling mechanism and the supporting mechanism.

[0013] As a further arrangement of the above-mentioned scheme, a controller is arranged on one side of the upper portion of the bearing plate, so as to control the operation of the related components in the maintenance device.

[0014] The utility model has the following beneficial effects in the process of using:

[0015] The use of the first telescopic rod and the second telescopic rod in the supporting mechanism and the end fixing mechanism can adjust the spacing between the arc-shaped support plate and the first electric clamp jaw and the bearing plate and the first support plate after the second electric clamp jaw in the pulling mechanism fixes the clamping joint of the inflation end of the gas expansion shaft body, so that the arc-shaped support plate and the arc-shaped silica gel pad provide support for the gas expansion shaft body, the first electric clamp jaw is clamped and fixed to the end of the gas expansion shaft body away from the inflation end, and the pulling mechanism is laid a foundation for pulling the inflation end and the air bag out of the shaft body outside the gas expansion shaft body.

[0016] The combination of the first limiting hole, the limiting sliding groove and the limiting plate can limit the movement direction of the end fixing mechanism, avoid the position of the first electric clamp jaw from being deviated in the process of the movement of the end fixing mechanism, and reduce the subsequent alignment time, the combination of the limiting rod, the first pin rod, the second pin rod and the second nut can fix the pulling mechanism by adjusting the second connecting hole into which the first pin rod and the second pin rod are inserted in the limiting rod, limiting the position of the pulling mechanism from both sides of the second support plate after the second support plate and the connecting components thereof are adjusted to the appropriate position, saving the alignment time of the second electric clamp jaw and the arc-shaped support plate, and fixing the positions of the above-mentioned three mechanisms when the device is idle by pushing the end fixing mechanism and the pulling mechanism to both ends of the supporting mechanism respectively and stepping on the brakes of the second and third universal brake wheels, adjusting the second connecting hole into which the first and second pin rods are inserted, and further fixing the position of the pulling mechanism from both sides of the pulling mechanism by using the limiting rod and the second nut, so as to reduce the space occupied by the maintenance device when it is idle. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is a perspective view of the present application;

[0019] Figure 2 It is an enlarged view of point A in the present application;

[0020] Figure 3 It is a combined perspective view of the bearing plate and the first supporting leg and other components in the present application;

[0021] Figure 4 It is a combined perspective view of the U-shaped plate and the first telescopic rod and other components in the present application;

[0022] Figure 5 It is a perspective view of the arc-shaped pressing plate in the present application;

[0023] Figure 6 It is a combined perspective view of the second supporting plate and the limiting plate and other components in the present application;

[0024] Figure 7 It is a combined perspective view of the second telescopic rod and the first electric clamping jaw in the present application;

[0025] Figure 8 It is a perspective view of the pulling mechanism in the present application.

[0026] In the figure: 1, support mechanism; 2, end fixing mechanism; 3, pulling mechanism; 4, gas inflation shaft body; 5, controller; 11, bearing plate; 111, first through hole; 112, first limiting hole; 113, second limiting hole; 114, limiting sliding groove; 115, first pin; 12, first support leg; 13, first universal brake wheel; 14, U-shaped plate; 15, arc-shaped support plate; 151, connecting shaft; 152, first nut; 153, arc-shaped silica gel pad; 16, arc-shaped pressing plate; 161, first connecting hole; 17, first telescopic rod; 18, first support base; 21, first support plate; 211, second through hole; 22, second support leg; 23, second universal brake wheel; 24, limiting plate; 241, stop block; 25, second telescopic rod; 26, second support base; 27, first electric clamping jaw; 271, first arc-shaped clamping plate; 272, first arc-shaped limiting block; 31, second support plate; 311, second pin; 312, second nut; 32, limiting rod; 321, second connecting hole; 33, third support leg; 34, third universal brake wheel; 35, third telescopic rod; 36, third support base; 37, second electric clamping jaw; 371, second arc-shaped clamping plate; 372, second arc-shaped limiting block; 373, arc-shaped limiting groove; 41, first ring groove; 42, second ring groove; 43, clamping head. DETAILED DESCRIPTION

[0027] In order to enable persons skilled in the art to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by persons skilled in the art without creative labor should fall within the protection scope of the present application.

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described below in detail with reference to the drawings and in conjunction with the embodiments. Figures 1-8 The present application will be described in detail below.

[0029] The embodiment discloses a kind of gas expansion shaft maintenance device, including support mechanism 1 and gas expansion shaft body 4, the upper portion of the support mechanism 1 is provided with gas expansion shaft body 4, the side of the inflation end of the gas expansion shaft body 4 is provided with second ring groove 42, the end of the second ring groove 42 away from gas expansion shaft body 4 is provided with clamping joint 43, the end of the gas expansion shaft body 4 away from first ring groove 41 is provided with first ring groove 41, one end of the support mechanism 1 is provided with end fixed mechanism 2, the end of the support mechanism 1 away from end fixed mechanism 2 is provided with pull mechanism 3, the support mechanism 1 includes bearing plate 11, the inside of the bearing plate 11 is provided with first limiting hole 112 on both sides, the first limiting hole 112 is provided with second limiting hole 113 at the end away from pull mechanism 3, the middle of the bearing plate 11 is provided with first through-hole 111, the inside of the first through-hole 111 is provided with U-shaped plate 14, the upper portion of the U-shaped plate 14 is connected with arc-shaped support plate 15 at both ends, the upper portion of the arc-shaped support plate 15 is provided with arc-shaped pressing plate 16, the lower portion of the U-shaped plate 14 is symmetrically connected with two first telescopic rods 17, the end fixed mechanism 2 includes first support plate 21, the side of the first support plate 21 close to bearing plate 11 is symmetrically connected with two limiting plates 24, two the limiting plates 24 are respectively penetrated into the inside of two second limiting holes 113, the upper portion of the first support plate 21 is provided with first electric clamping jaw 27, the lower portion of the first electric clamping jaw 27 is connected with second telescopic rod 25, the pull mechanism 3 includes second support plate 31, the both sides of the second support plate 31 are provided with limiting rod 32, the upper portion of the second support plate 31 is provided with third telescopic rod 35, the telescopic end of the third telescopic rod 35 is connected with second electric clamping jaw 37.

[0030] As Figure 1 , Figure 3 , Figure 6 And Figure 8 The lower portion of the bearing plate 11, the first support plate 21 and the second support plate 31 is respectively connected with the first support leg 12, the second support leg 22 and the third support leg 33, the lower portion of the first support leg 12, the second support leg 22 and the third support leg 33 is respectively connected with the first universal brake wheel 13, the second universal brake wheel 23 and the third universal brake wheel 34, conveniently adjust the position of the maintenance device, and the spacing adjustment between support mechanism 1, end fixed mechanism 2 and pull mechanism 3 is facilitated.

[0031] As Figure 1 , Figure 2 , Figure 4 And Figure 5As shown, two first connecting holes 161 are arranged on both sides of the arc-shaped pressing plate 16, two connecting shafts 151 are arranged on the upper sides of the arc-shaped support plate 15, the connecting shafts 151 penetrate the interiors of the first connecting holes 161, the outer sides of the connecting shafts 151 are threadedly connected with first nuts 152, the arc-shaped pressing plate 16 is convenient to disassemble and assemble, which provides convenience for the placement of the gas inflation shaft body 4, arc-shaped silica gel pads 153 are arranged on the opposite sides of the arc-shaped support plate 15 and the arc-shaped pressing plate 16, the gas inflation shaft body 4 is arranged between the two silica gel pads, the friction between the gas inflation shaft body 4 and the silica gel pads can ensure the fixing effect of the arc-shaped support plate 15 and the arc-shaped pressing plate 16 on the shaft body in the gas inflation shaft body 4.

[0032] As shown in Figure 4 , Figure 7 and Figure 8 , the outer sides of the first telescopic rod 17, the second telescopic rod 25 and the third telescopic rod 35 are respectively connected with a first support seat 18, a second support seat 26 and a third support seat 36, the first support seat 18, the second support seat 26 and the third support seat 36 are respectively connected with the bearing plate 11, the first support plate 21 and the second support plate 31, which facilitates the installation and maintenance of the above components and can provide stable support for the above three telescopic rods.

[0033] As shown in Figure 1 , Figure 3 and Figure 6 , both sides of the first limiting hole 112 are provided with limiting sliding grooves 114, both sides of the limiting plate 24 are respectively connected with the two limiting sliding grooves 114 in a sliding manner, which can limit the movement direction of the first support plate 21 and its connecting components during the adjustment of the spacing between the first support plate 21 and its connecting components and the bearing plate 11, avoid the position deviation of the first electrically driven clamping jaw 27 from the arc-shaped support plate 15 and the arc-shaped pressing plate 16, and reduce the alignment time, one end of the limiting plate 24 away from the first support plate 21 is detachably connected with a stop block 241, which can avoid the complete extraction of the limiting plate 24 from the second limiting hole 113, the interior of the first support plate 21 is provided with a second through hole 211, the second telescopic rod 25 penetrates the interior of the second through hole 211, which can utilize the space below the first support plate 21 to reduce the height of the first telescopic rod 17 and the first electrically driven clamping jaw 27 after being connected, and reduce the overall height of the end fixing mechanism 2.

[0034] As shown in Figure 1 , Figure 7 and Figure 8As shown, the telescopic ends of the second telescopic rod 25 and the third telescopic rod 35 are detachably connected with the first electric clamping jaw 27 and the second electric clamping jaw 37 respectively, facilitating the assembly of the above components, and the two clamping jaws of the first electric clamping jaw 27 and the second electric clamping jaw 37 are respectively connected with a first arc-shaped clamping plate 271 and a second arc-shaped clamping plate 371, and the opposite sides of the two first arc-shaped clamping plates 271 are respectively provided with a first arc-shaped limiting block 272, and the opposite sides of the two second arc-shaped clamping plates 371 are respectively provided with a second arc-shaped limiting block 372, the second arc-shaped limiting block 372 and the first arc-shaped limiting block 272 are respectively pressed with the second ring groove 42 and the first ring groove 41, and the side of the second arc-shaped limiting block 372 close to the third telescopic rod 35 is provided with an arc-shaped limiting groove 373, the arc-shaped limiting groove 373 is pressed with the connecting head, and the two ends of the gas expansion shaft can be clamped and fixed respectively, so that the inflation end and the air bag can be pulled out of the shaft body through the telescopic of the third telescopic rod 35, and the maintenance can be carried out.

[0035] As shown in Figure 1 and Figure 8 As shown, the two sides of the bearing plate 11 are provided with two first pin rods 115, the two sides of the second support plate 31 are provided with second pin rods 311, the inside of the limiting plate 24 is provided with a plurality of second connecting holes 321 arranged in a linear array, the first pin rod 115 and the second pin rod 311 penetrate the inside of the second connecting hole 321, and the outside of the first pin rod 115 and the second pin rod 311 is screwed with a second nut 312, so as to adjust the first pin rod 115 and the second pin rod 311 inserted into the second connecting hole 321 and fixed with the second nut 312, so as to align the pulling mechanism 3 and the supporting mechanism 1.

[0036] As shown in Figure 1 As shown, the upper side of the bearing plate 11 is provided with a controller 5, which facilitates the operation of the related components in the maintenance device.

[0037] The air inflation shaft maintenance device disclosed in the embodiment is used before use. A plurality of first nuts 152 are sequentially unscrewed from the outside of the connecting shaft 151 and placed aside by using a tool. The connecting shaft 151 is pulled out of the first connecting hole 161. The arc-shaped pressing plate 16 is separated from the arc-shaped support plate 15 and placed aside. The air inflation shaft body 4 to be repaired is placed on the arc-shaped silica gel pad 153 inside the two arc-shaped support plates 15, with the inflation end facing the direction of the pulling mechanism 3. The controller 5 is used to control the extension and retraction of the two first telescopic rods 17 at the same time, so as to adjust the height of the air inflation shaft body 4. The height of the air inflation shaft body 4 is aligned with the clamping jaw of the second electric clamping jaw 37. The first telescopic rod 17 is closed. The tool is used to sequentially unscrew a plurality of second nuts 312 from the outside of the first pin rod 115 and the second pin rod 311 on both sides of the support plate. The first pin rod 115 and the second pin rod 311 are pulled out of the second connecting hole 321 in the two limiting rods 32 respectively. The limiting rod 32 is placed aside.

[0038] The third universal brake wheel 34 is loosened. The distance between the second support plate 31 and the bearing plate 11 is adjusted to a position at which the air bag can be completely pulled out to a certain length. The brake of the third universal brake wheel 34 is pressed. The position of the pulling mechanism 3 is fixed by using the limiting rod 32 and the second nut 312. The third telescopic rod 35 is controlled to be elongated by using the controller 5. In the process of elongation of the third telescopic rod 35, the second electric clamping jaw 37 is pushed towards the card joint 43. In the process of pushing, the controller 5 is used to open the clamping jaw of the second electric clamping jaw 37. When the two second arc-shaped clamping plates 371 of the second electric clamping jaw 37 are located on both sides of the card joint 43 respectively, the clamping jaw of the second electric clamping jaw 37 is controlled to be contracted. The two second arc-shaped limiting blocks 372 are pressed against both sides of the second arc-shaped groove respectively. The two arc-shaped limiting grooves 373 are pressed against both sides of the card joint 43 respectively. The arc-shaped plate and the first nut 152 are reset. The arc-shaped pressing plate 16 and the arc-shaped support plate 15 clamp the air inflation shaft body 4 through the arc-shaped silica gel pad 153 on one side.

[0039] Loosen the brake of the second universal brake wheel 23, release the fixing of the position of the end fixing mechanism 2, pull the first support plate 21, make the limiting plate 24 slide a certain distance on the inside of the limiting sliding groove 114, adjust the distance between the first electric clamp jaw 27 and the first arc-shaped groove, use the controller 5 to control the extension and contraction of the second telescopic rod 25, align the jaw of the first electric clamp jaw 27 with the gas inflation shaft body 4, close the second telescopic rod 25, use the controller 5 to open the jaw of the first electric clamp jaw 27, push the first support plate 21 to the direction of the bearing plate 11 until the two first arc-shaped limiting blocks 272 are located on the two sides of the first arc-shaped groove, step on the brake of the second universal brake wheel 23, fix the position of the end fixing mechanism 2, use the controller 5 to contract the jaw of the first electric clamp jaw 27, make the two first arc-shaped limiting blocks 272 be pressed with the two sides of the first arc-shaped groove respectively, use the controller 5 to control the contraction of the third telescopic rod 35, drive the second electric clamp jaw 37 to move to the direction of the third telescopic rod 35, that is, the inflation end of the gas inflation shaft body 4 and the air bag can be taken out from the shaft body through the clamping head 43, and the maintenance and maintenance can be carried out.

[0040] The gas inflation shaft body 4, the controller 5, the bearing plate 11, the first pin rod 115, the first support leg 12, the first universal brake wheel 13, the U-shaped plate 14, the arc-shaped support plate 15, the connecting shaft 151, the first nut 152, the arc-shaped silica gel pad 153, the arc-shaped pressing plate 16, the first telescopic rod 17, the first support plate 21, the second support leg 22, the second universal brake wheel 23, the limiting plate 24, the second telescopic rod 25, the first electric clamp jaw 27, the first arc-shaped clamp plate 271, the second support plate 31, the second pin rod 311, the second nut 312, the third support leg 33, the third universal brake wheel 34, the third telescopic rod 35, the second electric clamp jaw 37, the second arc-shaped clamp plate 371, the first ring groove 41, the second ring groove 42 and the clamping head 43 in the gas inflation shaft maintenance device are all general standard parts or parts known by those skilled in the art, and the structure and principle thereof can be known by those skilled in the art through a technical manual or through a conventional experimental method.

[0041] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A kind of gas expansion shaft maintenance device, including support mechanism and gas expansion shaft body, the upper portion of the support mechanism is provided with gas expansion shaft body, the side of the inflation end head in the gas expansion shaft body is provided with second ring groove, the end of the second ring groove away from gas expansion shaft body is provided with clamping head, the end of the gas expansion shaft body away from first ring groove is provided with first ring groove, it is characterized by, One end of the supporting mechanism is provided with an end fixing mechanism, and the end away from the end fixing mechanism is provided with a pulling mechanism, the supporting mechanism comprises a bearing plate, both sides of the inside of the bearing plate are provided with first limiting holes, the end away from the pulling mechanism of the first limiting hole is provided with a second limiting hole, the middle of the bearing plate is provided with a first through hole, the inside of the first through hole is provided with a U-shaped plate, both ends of the upper side of the U-shaped plate are connected with arc-shaped supporting plates, the upper side of the arc-shaped supporting plate is provided with an arc-shaped pressing plate, the lower side of the U-shaped plate is symmetrically connected with two first telescopic rods, the end fixing mechanism comprises a first supporting plate, the side close to the bearing plate of the first supporting plate is symmetrically connected with two limiting plates, the two limiting plates are respectively penetrated into the inside of the two second limiting holes, the upper side of the first supporting plate is provided with a first electric clamp jaw, the lower side of the first electric clamp jaw is connected with a second telescopic rod, the pulling mechanism comprises a second supporting plate, both sides of the second supporting plate are provided with limiting rods, the upper side of the second supporting plate is provided with a third telescopic rod, and the telescopic end of the third telescopic rod is connected with a second electric clamp jaw.

2. A gas bag shaft repair device according to claim 1, wherein The lower sides of the bearing plate, the first supporting plate and the second supporting plate are respectively connected with a first supporting leg, a second supporting leg and a third supporting leg, and the lower sides of the first supporting leg, the second supporting leg and the third supporting leg are respectively connected with a first universal brake wheel, a second universal brake wheel and a third universal brake wheel.

3. The air expansion shaft repair device of claim 1, wherein, Both sides of the arc-shaped pressing plate are provided with two first connecting holes, both sides of the upper side of the arc-shaped supporting plate are provided with two connecting shafts, the connecting shafts are penetrated into the inside of the first connecting holes, the outer sides of the connecting shafts are screw-connected with first nuts, and the opposite sides of the arc-shaped supporting plate and the arc-shaped pressing plate are respectively provided with arc-shaped silica gel pads.

4. The air inflation shaft servicing device of claim 1, wherein, The outer sides of the first telescopic rod, the second telescopic rod and the third telescopic rod are respectively connected with a first supporting seat, a second supporting seat and a third supporting seat, and the first supporting seat, the second supporting seat and the third supporting seat are connected with the bearing plate, the first supporting plate and the second supporting plate respectively.

5. The air inflation shaft servicing device of claim 1, wherein, Both sides of the first limiting hole are provided with limiting sliding grooves, both sides of the limiting plate are respectively connected with the two limiting sliding grooves in sliding mode, and the end away from the first supporting plate of the limiting plate is detachably connected with a stop block.

6. The air inflation shaft servicing device of claim 1, wherein, The telescopic ends of the second telescopic rod and the third telescopic rod are respectively detachably connected with the first electric clamp jaw and the second electric clamp jaw, and the opposite sides of the two clamp jaws of the first electric clamp jaw and the second electric clamp jaw are respectively connected with a first arc-shaped clamping plate and a second arc-shaped clamping plate.

7. The air inflation shaft servicing device of claim 1, wherein, Both sides of the bearing plate are provided with two first pin rods, both sides of the second support plate are provided with second pin rods, the inside of the limiting plate is provided with a plurality of second connecting holes arranged in a linear array, the first pin rods and the second pin rods all penetrate into the inside of the second connecting holes, and the outside of the first pin rods and the second pin rods is all threaded with second nuts.

8. The air inflation shaft servicing device of claim 1, wherein, The upper side of the bearing plate is provided with a controller.

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