CN217255797U

CN217255797U - Clamping device for gas pipeline for municipal works

Info

Publication number: CN217255797U
Application number: CN202220961801.4U
Authority: CN
Inventors: 刘庆宇; 于丽君; 李萌; 孙硕; 苏畅; 马易馨; 樊静; 郭圣杰
Original assignee: China Resources Gas Zhengzhou Municipal Design And Research Institute Co ltd
Current assignee: China Resources Gas Zhengzhou Municipal Design And Research Institute Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-23
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to the technical field of clamping devices, in particular to a clamping device for a gas pipeline for municipal engineering, which is provided with a clamping component which can clamp and fix the gas pipeline and has stronger supporting capability of a supporting body; the lifting device is driven by the driving device and the synchronizing device to lift the whole clamping component so as to position the gas pipeline to a set height, facilitate the butt joint of two sections of gas pipelines or facilitate the processing of a single gas pipeline; the provided synchronous device consists of a chain wheel and a chain, the transmission ratio is stable, the transmission efficiency is high, and the lifting device can stably lift the clamping component under the driving of the driving device; the centre gripping component passes through V type groove and semicircle staple bolt, and the cooperation is erect hole, screw hole and bolt etc. and is realized fixed to the centre gripping of gas pipeline, simple structure, and it is effectual to stabilize.

Description

Clamping device for gas pipeline for municipal works

Technical Field

The utility model relates to a clamping device technical field, especially a clamping device for gas pipeline for municipal works.

Background

The gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from an exploitation place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, and the natural gas pipeline is a mode for conveying a large amount of natural gas on land. Natural gas pipelines account for about half of the total pipeline length in the world.

In municipal works, when two sections of gas pipelines are butted, the gas pipelines at two ends need to be fixedly supported by using a clamping device, so that the end flanges of the two sections of gas pipelines are aligned and then connected through bolts. Or when a single gas pipeline is processed, a clamping device is sometimes needed to be used for fixedly supporting the gas pipeline. However, most of the clamping devices used for the above situations are simple in structure and function, and have great limitations in use.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a clamping device for a gas pipeline for municipal engineering, which solves the technical scheme that the clamping device comprises a base and a gas pipeline which is arranged above the base along the longitudinal direction, and is characterized in that the base is provided with a lifting device, the lifting device is connected with a clamping component for clamping the gas pipeline, and the base is also provided with a driving device for driving an upgrading device;

the centre gripping component is including the supporter that is located the base top, the V type groove that is used for bearing gas pipeline lower edge that link up around the supporter upper end was seted up, the reason clamp has rather than the coaxial semicircle staple bolt of arranging on the gas pipeline, both ends difference fixedly connected with along longitudinal arrangement's connecting plate about the semicircle staple bolt, all set up a plurality of vertical holes along longitudinal equidistant range on each connecting plate, the screw hole with vertical hole one-to-one is seted up to the both sides in supporter upper end V type groove, equal coaxial dismantlement is connected with vertical arrangement's bolt in each vertical hole, the hexagonal spiral shell head of each bolt upper end all cooperates with connecting plate upper end butt, the lower extreme of each bolt all with screw hole threaded connection, equal screw-thread fit has the nut of connecting plate lower extreme butt on each bolt.

Preferably, elevating gear includes that both ends difference fixedly connected with curb plate about the supporter, and fixedly connected with is two supports that are located the supporter left and right sides respectively on the base, rotates the upper end that is connected with along vertical arrangement and rather than the curb plate threaded connection who corresponds the side respectively on two supports, and the lower extreme of each lead screw all rotates with the base to be connected, and fixedly connected with is located the vertical section of thick bamboo between two lead screws on the base, and supporter lower extreme fixedly connected with pegs graft and vertical sliding fit's inserted bar with vertical section of thick bamboo.

Preferably, the driving device comprises a mounting groove formed in the left end of the base, the mounting groove is provided with a motor, an output shaft of the motor extends upwards, the lower end of the lead screw on the left side downwards penetrates into the mounting groove and is connected with a flange at the upper end of the output shaft of the motor, and the lower ends of the two lead screws are connected through a synchronizing device.

Preferably, the synchronizing device comprises chain wheels which are coaxially and fixedly connected with the lower sides of the two lead screws respectively, and the chain wheels on the two lead screws are connected through chains which are connected end to end.

Preferably, two vertical grooves which are symmetrically arranged about the axis of the vertical cylinder and run through the inside of the vertical cylinder are formed in the outer edge of the vertical cylinder, and two guide keys which correspond to the vertical grooves one by one and are in vertical sliding fit are fixed on the outer edge surface of the inserted rod.

The utility model has the advantages that:

the clamping member can clamp and fix the gas pipeline, and the support body has stronger supporting capacity; the lifting device is driven by the driving device and the synchronizing device to lift the whole clamping component so as to position the gas pipeline to a set height, facilitate the butt joint of two sections of gas pipelines or facilitate the processing of a single gas pipeline; the provided synchronous device consists of a chain wheel and a chain, the transmission ratio is stable, the transmission efficiency is high, and the lifting device can stably lift the clamping component under the driving of the driving device; the clamping component is matched with the vertical hole, the threaded hole, the bolt and the like to clamp and fix the gas pipeline through the V-shaped groove and the semicircular hoop, and the clamping component is simple in structure and good in stabilizing effect.

Drawings

Fig. 1 is a front view of the utility model.

Fig. 2 is an enlarged view of the area a in the front view of the full section of the present invention.

Fig. 3 is a full-section three-dimensional view of the present invention.

Fig. 4 is a first perspective view of the present invention.

Fig. 5 is an enlarged view of the area B in the first perspective view of the present invention.

Fig. 6 is a partial perspective view of the second viewing angle of the present invention;

reference numerals

1. The gas pipeline comprises a base, 2 parts of a gas pipeline, 3 parts of a support body, 4 parts of a V-shaped groove, 5 parts of a semicircular hoop, 6 parts of a connecting plate, 7 parts of a vertical hole, 8 parts of a threaded hole, 9 parts of a bolt, 10 parts of a hexagonal screw head, 11 parts of a nut, 12 parts of a side plate, 13 parts of a support, 14 parts of a lead screw, 15 parts of a vertical cylinder, 16 parts of an inserting rod, 17 parts of an installation groove, 18 parts of a motor, 19 parts of an output shaft, 20 parts of a chain wheel, 21 parts of a chain, 22 parts of a vertical groove and 23 parts of a guide key.

Detailed Description

The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 6.

Embodiment one, the technical scheme of its solution is, when carrying out the centre gripping fixed to gas pipeline 2, can choose for use suitable quantity the utility model discloses interval arrangement carries out the fixed stay to gas pipeline 2. When the device is used for a plurality of times, the driving device is matched with the synchronizing device to ensure that the supporting bodies 3 are stabilized at the same height so as to be convenient for the horizontal and the fixation of the pipeline; after the height of the clamping component is adjusted, the gas pipeline 2 can be clamped, and the V-shaped grooves 4 in the supporting body 3 can be tangent to the left side and the right side of the lower edge of the gas pipeline 2, so that the supporting of the supporting body 3 on the gas pipeline 2 is realized. The whole plate of the support body 3 is large, and the support body 3 is prevented from being deformed or damaged by the compression of the gas pipeline 2 when in use. After gas pipeline 2 put on supporter 3, can be with semicircle staple bolt 5 and the upper reason cohesion of gas pipeline 2, later with erecting hole 7 and screw hole 8 one-to-one, and pass screw in screw hole 8 behind the perpendicular hole 7 with bolt 9, for increasing fastening effect, the hexagonal spiral shell head 10 of bolt 9 should with 6 upper end butts of connecting plate, and need cooperate the nut 11 that has 6 lower extreme butts of connecting plate on bolt 9, can also cooperate the in service behavior to increase the gasket simultaneously. Under the cooperation of V type groove 4 and semicircle staple bolt 5, gas pipeline 2 is by the centre gripping fixed.

In the second embodiment, on the basis of the first embodiment, when the driving device is used to drive the lifting device in cooperation with the synchronizing device, the motor 18 located in the mounting groove 17 at the left end of the base 1 is started to rotate forward, the output shaft 19 of the motor 18 drives the left lead screw 14 to rotate forward around the bracket 13, the left lead screw 14 drives the right lead screw 14 to rotate forward synchronously through the synchronizing device, the synchronizing device is composed of the chain 21 and the chain wheel 20, the transmission ratio is stable, and the synchronism of the two lead screws 14 is ensured. The support body 3 is driven to move through the side plate 12 by the forward rotation of the two lead screws 14, but the support body 3 is driven to move vertically upwards through the side plate 12 by the forward rotation of the two lead screws 14 under the limitation of the vertical sliding fit of the vertical cylinder 15 and the inserted rod 16. To ensure that the plunger 16 and the shaft 15 are in a vertically sliding fit, a guide key 23 is provided on the plunger 16, and a shaft 22 is provided on the shaft 15 in a vertically sliding fit with the guide key 23. The corresponding reverse rotation of the starter motor 18 will cause the support body 3 to descend.

Claims

1. A clamping device for a gas pipeline for municipal engineering comprises a base (1) and the gas pipeline (2) which is arranged above the base (1) along the longitudinal direction, and is characterized in that a lifting device is arranged on the base (1), the lifting device is connected with a clamping component for clamping the gas pipeline (2), and a driving device for driving the upgrading device is further arranged on the base (1);

the clamping component comprises a supporting body (3) positioned above a base (1), the upper end of the supporting body (3) is provided with a V-shaped groove (4) which is communicated from front to back and used for supporting the lower edge of a gas pipeline (2), a semicircular hoop (5) which is coaxial with the gas pipeline (2) is clamped on the upper edge of the gas pipeline (2), the left end and the right end of the semicircular hoop (5) are respectively and fixedly connected with connecting plates (6) which are longitudinally arranged, each connecting plate (6) is provided with a plurality of vertical holes (7) which are longitudinally arranged at equal intervals, two sides of the V-shaped groove (4) at the upper end of the supporting body (3) are provided with threaded holes (8) which are in one-to-one correspondence with the vertical holes (7), vertically arranged bolts (9) are coaxially and detachably connected in each vertical hole (7), the heads (10) at the hexagonal upper ends of the bolts (9) are respectively matched with the upper ends of the connecting plates (6) in an abutting mode, and the lower ends of the bolts (9) are respectively in threaded connection with the threaded holes (8), and each bolt (9) is provided with a nut (11) which is in threaded fit with the lower end of the connecting plate (6) in butt joint.

2. The clamping device for the gas pipeline for the municipal engineering according to claim 1, wherein the lifting device comprises a support body (3) with side plates (12) fixedly connected to the left and right ends respectively, the base (1) is fixedly connected with two supports (13) respectively located on the left and right sides of the support body (3), the two supports (13) are respectively and rotatably connected with the upper ends of lead screws (14) which are vertically arranged and are in threaded connection with the side plates (12) on the corresponding sides, the lower end of each lead screw (14) is rotatably connected with the base (1), the base (1) is fixedly connected with a vertical cylinder (15) located between the two lead screws (14), and the lower end of the support body (3) is fixedly connected with an insertion rod (16) which is inserted into the vertical cylinder (15) and is in vertical sliding fit.

3. The clamping device for the gas pipeline for the municipal engineering according to claim 2, wherein the driving device comprises a mounting groove (17) formed in the left end of the base (1), a motor (18) is mounted in the mounting groove (17), an output shaft (19) of the motor (18) extends upwards, the lower end of the left screw (14) penetrates downwards into the mounting groove (17) and is connected with an upper flange of the output shaft (19) of the motor (18), and the lower ends of the two screw (14) are connected through a synchronizing device.

4. The clamping device for the municipal engineering gas pipeline according to claim 3, wherein the synchronizing device comprises two sprockets (20) coaxially and fixedly connected to the lower sides of the two screws (14), and the sprockets (20) of the two screws (14) are connected through a chain (21) connected end to end.

5. The clamping device for the gas pipeline for the municipal engineering according to claim 2, wherein the outer edge of the vertical cylinder (15) is provided with two vertical grooves (22) which are symmetrically arranged about the axis and run through the inside of the vertical cylinder (15), and two guide keys (23) which are in one-to-one correspondence with the vertical grooves (22) and are in vertical sliding fit are fixed on the outer edge surface of the inserted rod (16).