Pipeline supporting and jacking device

Abstract

The utility model relates to a pipeline supporting and jacking device which comprises a box body, a supporting assembly is connected to the top of the box body in a sliding mode, the bottom of the supporting assembly is connected with the top of a lifting rack in the box body, the lifting rack is connected with the box body in a sliding mode, the rack is meshed with a gear, and the gear is fixedly connected with a wheel shaft rotationally connected to the box body. The wheel shaft is connected with a hand wheel located outside the box body through a transmission mechanism, the bottom of the box wall of the box body is further rotationally connected with a clamping piece, the part, extending out of the box body, of the clamping piece is elastically connected with the box body, and the end, extending into the box body, of the clamping piece can be clamped into a tooth groove of the rack so as to lock and fix the rack. The supporting and jacking device is convenient and fast to operate, time-saving and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding technical field, concretely relates to a pipeline support jacking device. BACKGROUND

[0002] The statements herein only provide background technology related to the utility model, and do not necessarily constitute prior art.

[0003] The welding of pipeline becomes the main technical point of chemical plant construction, and the temporary support of pipeline is made on site according to the actual situation on site when the pipeline is welded. The pipeline support made temporarily is heavy, not easy to adjust and transport, and needs to invest more financial resources and material resources, and how to make a simple and portable finished support is the main problem at present. Most of the pipeline supports made temporarily rely on the use of measuring tools by pipe workers, and the welding workers cooperate to make temporary supports, so it is difficult to ensure that the temporary supports made can be reused, greatly increasing the production cost.

[0004] Patent CN103062501A discloses a high-altitude pipeline installation safety lifting support, which solves the defects of the need for temporary pipeline support during pipeline welding, but when the support is locked, the fixed hole of the fixed sleeve rod and the movable top rod need to be aligned, then the limiting pin is inserted, and the movable top rod needs to be lifted manually or by lifting equipment, which is complicated, time-consuming and labor-intensive, and can only satisfy lifting the pipeline to several set heights, so the applicability is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of the prior art, and provides a pipeline support jacking device, which is convenient and time-saving and labor-saving.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The embodiment of the utility model provides a pipeline support jacking device, which comprises a box body, a support assembly is slidably connected to the top of the box body, the bottom of the support assembly is connected to the top of the lifting rack in the box body, the lifting rack is slidably connected to the box body, the rack is engaged with the gear, the gear is fixedly connected with the wheel shaft rotatingly connected to the box body, the wheel shaft is connected with the hand wheel outside the box body through the transmission mechanism, the box wall bottom of the box body is also rotatingly connected with the clamping piece, the part of the clamping piece extending outside the box body is elastically connected with the box body, and the end of the clamping piece extending into the box body can be clamped into the tooth groove of the rack to lock and fix the rack.

[0008] Optionally, the support assembly comprises a support column, the support column extends above the box body through the opening at the top of the box body and is slidably connected with the box body, and the top end of the support column is provided with an arc-shaped plate matched with the pipeline.

[0009] Optionally, the bottom end of the support column is provided with an annular limiting boss.

[0010] Optionally, the hand wheel adopts a belt wheel, a handle for driving the hand wheel to rotate is arranged on the hand wheel, the hand wheel is rotationally connected with a belt wheel shaft, and the belt wheel shaft is fixed on the tank wall of the tank body.

[0011] Optionally, the bottom end of the tank body is fixed on the base, and the part of the clamping piece extending to the outside of the tank body is elastically connected with the base.

[0012] Optionally, a first spring is arranged between the part of the clamping piece extending to the outside of the tank body and the base, one end of the first spring is connected with the clamping piece, and the other end of the first spring is connected with the base.

[0013] Optionally, the bottom end of the rack is elastically connected with the bottom tank wall of the tank body.

[0014] Optionally, a second spring is arranged between the bottom end of the rack and the bottom tank wall of the tank body, one end of the second spring is connected with the bottom end of the rack, and the other end of the second spring is connected with the bottom tank wall of the tank body.

[0015] Optionally, the clamping piece adopts a V-shaped sheet structure, and comprises a first clamping part and a second clamping part, a sleeve is arranged at the intersection position of the first clamping part and the second clamping part, the sleeve is rotationally connected with the shaft arranged on the tank wall of the tank body, the second clamping part is located outside the tank body, and the end of the first clamping part is provided with a clamping part arranged at a set obtuse angle, and the clamping part is used for clamping into the tooth groove of the rack.

[0016] Optionally, a guide rail is arranged on the inner side of the tank wall of the tank body, and the rack is slidably connected with the tank wall through the guide rail.

[0017] The beneficial effects of the above-mentioned utility model are as follows:

[0018] 1. The supporting and jacking device has the rack in the tank body, the rack is engaged with the gear, the shaft of the gear is connected with the hand wheel located outside the tank body through the transmission mechanism, the staff can drive the gear to rotate by rotating the hand wheel outside the tank body, and then the rack is driven to rise, so that the pipeline is jacked by the supporting assembly, the staff only needs to rotate the hand wheel, manual lifting of the supporting assembly is not needed, the operation is convenient and fast, time and labor are saved, the gear and the rack are engaged to drive lifting, the lifting height is continuous, the pipeline can be lifted to an arbitrary height position, and the applicability of the whole device is high.

[0019] 2. The supporting and jacking device, when the rack needs to be locked, only needs to be loosened, the end of the clamping piece can be clamped into the tooth groove of the rack under the action of the elastic force, the locking and fixing of the rack are realized, the limiting pin does not need to be inserted after being aligned with the locking hole, the operation is simple, convenient and fast, and time and labor are saved.

[0020] 3. The supporting and jacking device of the utility model, the rack and the bottom box wall of the box body are elastically connected, which plays a buffering role and prevents the rack from descending too fast. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings accompanying the specification of this application provide further understanding of the application, and the illustrative embodiments thereof, and are used to explain the application, but do not constitute limitations on the application.

[0022] Figure 1 is a schematic diagram of the overall structure of the utility model embodiment 1;

[0023] Among them, 1. Arc plate, 2. Support column, 3. Box body, 4. Gear, 5. Hand wheel, 6. Belt transmission mechanism, 7. Clamping element, 8. First spring, 9. Base, 10. Second spring, 11. Rack, 12. Guide rail, 13. Shaft, 14. Shaft. DETAILED DESCRIPTION

[0024] Embodiment 1

[0025] The embodiment provides a pipeline supporting and jacking device, which comprises a box body 3, and the bottom end of the box body 3 is coaxially provided with a base 9, and the area of the base 9 is greater than the cross-sectional area of the box body 3, so that the box body 3 can be stably placed on the ground.

[0026] Preferably, the box body 3 adopts a cuboid structure.

[0027] The top box wall of the box body 3 is provided with an opening, a supporting assembly is arranged at the opening, the supporting assembly passes through the top box wall of the box body 3 through the opening and is in sliding connection with the top box wall of the box body 3, and the supporting assembly can move up and down along the vertical direction.

[0028] In the embodiment, the supporting assembly comprises a support column 2, the support column 2 passes through the top box wall of the box body 3 through the opening, and the support column 2 is in sliding connection with the top box wall of the box body 3.

[0029] Preferably, the support column 2 adopts a cuboid structure, and correspondingly, the opening adopts a rectangular opening matched with the cross-sectional shape of the support column 2.

[0030] The top end of the support column 2 is located above the box body and is provided with an arc-shaped plate 1 matched with the pipeline, the outer arc surface of the arc-shaped plate 1 is fixed with the support column, and the inner arc surface is used for supporting the pipeline.

[0031] The bottom end of the support column 2 is located inside the box body 3 and is provided with an annular limiting table, the outer diameter of the annular limiting table is greater than the diameter of the opening, so as to prevent the support column 2 from being separated from the box body 3.

[0032] The bottom end of the support column 2 is connected with the top end of the rack 11, the length direction of the rack 11 is arranged vertically, and the rack 11 is slidably connected with the side wall of the box body 3 to realize the lifting movement.

[0033] In the embodiment, the side wall of the box body 3 slidably connected with the rack 11 is defined as a first side wall, and the inner side of the first side wall is provided with a vertical guide rail 12, and the rack 11 is slidably connected with the first side wall through the guide rail 12.

[0034] The rack 11 is engaged with the gear 4, the gear 4 is fixedly connected with the wheel shaft 13, the wheel shaft 13 is arranged parallel to the first side wall and rotatably connected with the side wall of the box body 3 through bearings at both ends.

[0035] One end of the wheel shaft 13 extends to the outside of the box body 3 and is connected with the hand wheel 5 outside the box body 3 through a transmission mechanism, and rotating the hand wheel 5 can transmit power to the wheel shaft 13 through the transmission mechanism, and then drive the gear 4 to rotate through the wheel shaft 13, and drive the lifting movement of the rack 11 through the meshing action of the gear 4 and the rack 11.

[0036] In the embodiment, the transmission mechanism adopts a belt transmission mechanism 6, and correspondingly, the hand wheel 5 is a driving pulley, and a driven pulley is fixed to the part of the wheel shaft 13 extending to the outside of the box body 3, and a transmission belt is wound between the driving pulley and the driven pulley, and a handle is arranged at the eccentric position of the end surface of the driving pulley, and the staff can drive the driving pulley to rotate through the handle.

[0037] The driving pulley is fixedly connected with a pulley shaft, the pulley shaft is rotatably connected with a bearing seat, and the bearing seat is fixed to the outer side of the side wall of the box body 3, specifically, the bearing seat is fixed to the outer side of the second side wall opposite to the first side wall.

[0038] The bottom of the second side wall of the box body 3 is also provided with a locking mechanism for locking the rack 11.

[0039] The locking mechanism comprises a clamping piece 7, which adopts a V-shaped sheet structure, comprising a first clamping part and a second clamping part arranged at a set obtuse angle, a sleeve is arranged at the intersection position of the first clamping part and the second clamping part, and the sleeve is rotatably connected with a shaft 14 arranged on the second side wall, the second clamping part is located outside the box body 3, and the first clamping part is located inside the box body 3, one end of the first clamping part is connected with the sleeve, the other end is provided with a clamping part, the clamping part and the first clamping part are arranged at a set obtuse angle to make the clamping part parallel to the second clamping part, and the clamping part is used to clamp into the tooth groove of the rack 11 to realize the locking and fixing of the rack 11.

[0040] Further, the outer sleeve surface of the sleeve is provided with a clamping plate, the position of the clamping plate satisfies that when the clamping part of the first clamping member is clamped into the tooth groove of the rack 11, the clamping plate is in contact with the inner side of the box wall of the box body, preventing the clamping member from continuing to rotate.

[0041] The second clamping part is elastically connected with the base 9, and specifically, a first spring 8 is arranged between the second clamping part and the base, one end of the first spring 8 is connected with the bottom surface of the second clamping part, and the other end is connected with the top surface of the base 9.

[0042] The bottom end of the rack 11 is elastically connected with the bottom box wall of the box body 3, and specifically, a second spring 10 is arranged between the bottom end of the rack 11 and the bottom box wall of the box body 3, the top end of the second spring 10 is connected with the bottom end of the rack 11, and the bottom end of the second spring 10 is connected with the bottom box wall of the box body 3.

[0043] The second spring 10 is arranged to play a buffering role, preventing the rack 11 from descending too fast.

[0044] The working method of the embodiment is as follows:

[0045] Firstly, the whole pipeline supporting and jacking device is moved to the place where the pipeline needs to be jacked, the pipeline is placed on the arc-shaped plate 1, the operator steps on the second clamping part, at this time, the clamping part of the first clamping member is separated from the tooth groove of the rack 11, the operator rotates the hand wheel 5, the belt transmission mechanism drives the gear 4 to rotate, the rack 11 is driven to rise through the meshing action of the gear 4 and the rack 11, and the pipeline is driven to rise through the supporting column 2 and the arc-shaped plate 1, when the pipeline reaches the required height, the second clamping part is loosened, the clamping member 7 rotates under the action of the first spring 8, the clamping part is clamped into the tooth groove of the rack 11 again, and the clamping plate is in contact with the inner side of the box wall of the box body, so that the rack 11 cannot move up and down, and the locking function of the clamping member 7 is more firm with the increase of the weight of the pipeline.

[0046] After the pipeline supporting and jacking device is used, the second clamping part is stepped on, and the clamping part is moved out of the tooth groove of the rack 11, at this time, the rack 11 starts to descend, and the rack 11 slowly moves downward under the action of the second spring 10, when the rack 11 moves to the lowermost position, the second clamping part is loosened, the clamping part is clamped into the tooth groove of the rack 11 again, and the rack 11 is in a locked state.

[0047] The supporting and jacking device of the embodiment can adjust the height of the support through the operation of the hand wheel 5, that is, the height requirement of the support can be realized, the on-site use is flexible and portable, the device is simple to assemble, convenient to transport, and requires small space for use, and does not need to be matched with a crane, so that the support can be quickly set according to the requirements, the preparation time is saved, the device can be repeatedly used, the crane shift is saved, and the construction cost is saved, the clamping member 7 is arranged to ensure the safety performance of the whole supporting and jacking device, and the safety risk is greatly reduced.

[0048] In the embodiment, the pipeline height is adjusted by the gear 3 and the rack 11 cooperation, the pipeline can be adjusted to any height, and the applicability of the whole device is improved.

[0049] Although the specific embodiments of the utility model have been described in combination with the drawings, it is not a limitation on the protection scope of the utility model, and the skilled person in the art should understand that various modifications or deformations made by the skilled person in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A pipe support jacking device, characterized by, The box body is provided with a supporting assembly at the top, the bottom of the supporting assembly is connected with the top of a lifting rack in the box body, the lifting rack is slidably connected with the box body, the rack is engaged with a gear, the gear is fixedly connected with an axle shaft rotatingly connected with the box body, the axle shaft is connected with a hand wheel outside the box body through a transmission mechanism, the box wall of the box body is further provided with a clamping piece rotatingly connected with the bottom of the box wall, the part of the clamping piece extending outside the box body is elastically connected with the box body, and the end of the clamping piece extending into the box body can be clamped into the tooth groove of the rack to lock and fix the rack.

2. A pipe support jacking arrangement as claimed in claim 1, characterised in that, The supporting assembly comprises a supporting column extending above the box body through an opening in the top of the box body and slidably connected with the box body, and the top end of the supporting column is provided with an arc-shaped plate matched with the pipeline.

3. A pipe support jacking arrangement as claimed in claim 1, wherein, The bottom end of the supporting column is provided with an annular limiting boss.

4. A pipe support jacking arrangement as claimed in claim 1, wherein, The hand wheel is a belt wheel, the hand wheel is provided with a handle for driving the hand wheel to rotate, the hand wheel is rotatingly connected with a belt wheel shaft fixed on the box wall of the box body, and correspondingly, the transmission mechanism between the hand wheel and the axle shaft is a belt transmission mechanism.

5. A pipe support jacking device as claimed in claim 1, wherein, The bottom end of the box body is fixed on a base, and the part of the clamping piece extending outside the box body is elastically connected with the base.

6. A pipe support jacking arrangement as claimed in claim 5, wherein, A first spring is arranged between the part of the clamping piece extending outside the box body and the base, one end of the first spring is connected with the clamping piece, and the other end of the first spring is connected with the base.

7. A pipe support jacking device as claimed in claim 1 wherein, The bottom end of the rack is elastically connected with the bottom box wall of the box body.

8. A pipe support jacking arrangement as claimed in claim 7, wherein, A second spring is arranged between the bottom end of the rack and the bottom box wall of the box body, one end of the second spring is connected with the bottom end of the rack, and the other end of the second spring is connected with the bottom box wall of the box body.

9. A pipe support jacking arrangement as claimed in claim 1, wherein, The clamping piece adopts a V-shaped sheet structure, comprising a first clamping part and a second clamping part, a sleeve is arranged at the intersection position of the first clamping part and the second clamping part, the sleeve is rotatingly connected with a shaft arranged on the box wall of the box body, the second clamping part is located outside the box body, and the end of the first clamping part is provided with a clamping part arranged at a set obtuse angle, the clamping part is used for clamping into the tooth groove of the rack.

10. A pipe support jacking arrangement as claimed in claim 1, characterised in that, The inner side of the box wall of the box body is provided with a guide rail, and the rack is slidably connected with the box wall of the box body through the guide rail.

Images