CN212641769U

CN212641769U - Lengthening device for building construction steel pipe

Info

Publication number: CN212641769U
Application number: CN202020728390.5U
Authority: CN
Inventors: 牛高斌
Original assignee: Shenzhen Jinwanxiang Construction Engineering Co ltd
Current assignee: Shenzhen Jinwanxiang Construction Engineering Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-03-02
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a connect long device for construction steel pipe, including steel pipe and backing plate, the inboard laminating of steel pipe has the backing plate, the outside of backing plate is equipped with coupling assembling, coupling assembling includes first lagging, thread groove, bearing, thread block and antiskid cover, equal screw thread links to each other between thread block and the thread groove, the both ends outside all links to each other with the inner wall of bearing is fixed about first lagging, the outside processing of first lagging has the antiskid cover. This a connect long device for construction steel pipe, structure scientific and reasonable, convenience safe in utilization is provided with first lagging, second lagging, the steel pipe, the backing plate, the screw thread piece, the screw thread groove and the cooperation between the antiskid cover, rotates first lagging and makes first lagging can drive the screw thread piece and rotate, realizes the synchronous intercommunication between steel pipe and the first lagging through the cooperation of screw thread piece and screw thread groove, has avoided twice realization at the junction repeated connection of two steel pipes to connect the problem of long installation.

Description

Lengthening device for building construction steel pipe

Technical Field

The utility model relates to a building steel pipe technical field specifically is an extension device for construction steel pipe.

Background

The steel pipe is a steel material with a hollow section, the length of the steel pipe is far greater than the diameter or the perimeter, and the steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machine manufacturing, geological drilling, high-pressure equipment and the like according to application, and the two steel pipes are often connected together through a lengthening device in the construction use process of the steel pipes.

For example, patent No. 201821342753.0 discloses an extension device for construction steel pipe, which comprises a connecting pipe, wherein the upper end of the outer side surface of the connecting pipe is fixedly connected with the lower part of the inner wall of a first sleeve pipe, and although the support of the stability of the steel pipe can be realized, the extension device has the problem that the connection of two steel pipes is repeatedly connected twice to realize the extension installation, and the problem that the connection tightness of the steel pipe connection can not be ensured, so that the connection is easy to loosen.

Disclosure of Invention

An object of the utility model is to provide an extension device for construction steel pipe to solve the problem of twice realization extension installation of the junction repeated connection of two steel pipes that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lengthening device for a steel pipe for building construction comprises a steel pipe and a base plate, wherein the base plate is attached to the inner side of the steel pipe, and a connecting assembly is arranged on the outer side of the base plate;

the connecting assembly comprises a first sleeve plate, a thread groove, a bearing, a thread block and an anti-skid sleeve;

the inner wall center of first lagging links to each other with the outer wall of backing plate is fixed, the inner wall left and right sides of first lagging has all been processed threaded block, controls the thread groove is processed respectively about the outer wall inboard of steel pipe, equal screw thread links to each other between threaded block and the thread groove, both ends outside all links to each other with the inner wall of bearing is fixed about first lagging, the outside processing of first lagging has the antiskid cover. The synchronous connection of the left and right steel pipes and the first sleeve plate can be realized through the connecting assembly.

Preferably, the thread angles of the left and right thread blocks are just opposite. The left steel pipe and the right steel pipe can be synchronously connected through opposite thread angles.

Preferably, the vertical center of the first nest plate and the vertical center of the backing plate are in the same position. The relative positions of the first nest plate and the backing plate are limited.

Preferably, the outer wall of the second strap is provided with a plurality of tensioning assemblies;

the tensioning assembly comprises a first spring, a sleeve, a clamping block, a clamping groove, a pin shaft and a lantern ring;

it is a plurality of about telescopic inboard all rotates with the second sleeve board through the round pin axle and links to each other, telescopic inside clearance fit has the fixture block, the outer end inboard of fixture block all is equipped with the draw-in groove, the draw-in groove all processes the outer wall at the steel pipe, the equal rigid coupling in the outer end outside of fixture block has the lantern ring, telescopic inside all is equipped with first spring, the inside and outside both sides of first spring are fixed continuous with sleeve and fixture block respectively. The tensioning assembly can pull the steel pipe towards the inner connection.

Preferably, a clamping structure is formed between the clamping block and the clamping groove. The clamping groove can limit the position of the clamping block.

Preferably, the plurality of sleeves and the fixture blocks are distributed in a centrosymmetric manner by taking the axis of the steel pipe as a reference. And limiting the relative positions of the plurality of sleeves and the fixture blocks.

Preferably, a clamping assembly is arranged on the outer side of the second strap;

the clamping assembly comprises a second spring, a pressing plate and a rubber pad;

the second spring is located the rotation junction of sleeve and second lagging, the both sides of second spring are fixed continuous with sleeve and second lagging respectively, and is a plurality of the clamp plate rigid coupling is inboard at telescopic outer wall, the equal rigid coupling in inboard of clamp plate has the cushion. The clamping assembly can realize auxiliary positioning of the steel pipe.

Preferably, a plurality of said platens may form a complete ring. The positioning capability of the pressing plate is uniform and stable.

Compared with the prior art, the beneficial effects of the utility model are that: this a device of lengthening for construction steel pipe, structure scientific and reasonable, convenience safe in utilization:

be provided with the cooperation between first lagging, second lagging, steel pipe, backing plate, thread block, thread groove and the antiskid cover, the steel pipe injects inside the second lagging of the correspondence of both sides about the messenger, rotates first lagging afterwards and makes first lagging drive the thread block and rotate, realizes the synchronous intercommunication between steel pipe and the first lagging through the cooperation of thread block and thread groove, has avoided twice realization of the junction reconnection at two steel pipes to connect the problem of long installation.

The clamping device is provided with the second sleeve plate, the steel pipe, the clamping block, the sleeve, the first spring, the second spring, the pressing plate, the pin shaft and the rubber pad, the steel pipe can be driven to rotate outwards in the process of inserting the steel pipe into the second sleeve ring, the clamping block can be pulled outwards to the clamping groove, the clamping block is clamped with the clamping groove, meanwhile, the pressing plate can be pressed on the outer wall of the steel pipe, and the problem that the joint is easy to loosen due to the fact that the connection tightness of the joint of the steel pipe cannot be guaranteed is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sleeve, the second deck and the steel pipe of FIG. 1;

FIG. 3 is a schematic view of the structure of the steel pipe, the second sleeve plate and the bearing in FIG. 1;

fig. 4 is a schematic structural view of the steel pipe, the first sleeve plate and the backing plate in fig. 1.

In the figure: 1. the steel pipe, 2, coupling assembling, 201, first lagging, 202, thread groove, 203, bearing, 204, screw block, 205, antiskid cover, 3, taut subassembly, 301, first spring, 302, sleeve, 303, fixture block, 304, draw-in groove, 305, round pin axle, 306, the lantern ring, 4, clamping component, 401, second spring, 402, clamp plate, 403, cushion, 5, backing plate, 6, second lagging.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lengthening device for a steel pipe for building construction comprises a steel pipe 1 and a backing plate 5, the backing plate 5 is attached to the inner side of the steel pipe 1, a connecting assembly 2 is arranged on the outer side of the backing plate 5, the connecting assembly 2 comprises a first sleeve plate 201, thread grooves 202, bearings 203, thread blocks 204 and anti-skidding sleeves 205, the center of the inner wall of the first sleeve plate 201 is fixedly connected with the outer wall of the backing plate 5, the first sleeve plate 201 can drive the backing plate 5 to rotate, the thread blocks 204 are respectively processed on the left side and the right side of the inner wall of the first sleeve plate 201, the left thread grooves 202 and the right thread grooves 202 are respectively processed on the inner sides of the outer walls of the left steel pipe 1 and the right steel pipe 1, the thread blocks 204 and the thread grooves 202 are in threaded connection, the first sleeve plate 201 is connected with the steel pipe 1 through threaded connection between the thread blocks 204 and the thread grooves 202, the outer sides of the left end and the right end of the first sleeve plate 201 are rotatably connected, the outer side of the first sleeve plate 201 is provided with the anti-slip sleeve 205, the anti-slip sleeve 205 can prevent the first sleeve plate 201 from loosening during rotation, the thread angles of the left thread block and the right thread block 204 are just opposite, synchronous connection between the first sleeve plate 201 and the steel pipe 1 can be realized through opposite thread glue, the vertical center of the first sleeve plate 201 is consistent with the vertical center of the backing plate 5, and the relative positions of the first sleeve plate 201 and the backing plate 5 are limited.

The outer wall of the second sleeve plate 6 is provided with a plurality of tensioning assemblies 3, each tensioning assembly 3 comprises a first spring 301, a sleeve 302, a clamping block 303, a clamping groove 304, a pin 305 and a sleeve ring 306, the inner sides of the left sleeve 302 and the right sleeve 302 are rotatably connected with the second sleeve plate 6 through the pin 305, the sleeve 302 can rotate through the pin 305, the clamping block 303 is in clearance fit with the inner part of the sleeve 302 and can move in the sleeve 302, the inner sides of the outer ends of the clamping blocks 303 are respectively provided with the clamping grooves 304, the clamping grooves 304 are all processed on the outer wall of the steel pipe 1 to limit the relative positions of the clamping grooves 304 and the steel pipe 1, the outer sides of the outer ends of the clamping blocks 303 are respectively fixedly connected with the sleeve 302 and the clamping block 303, the sleeve ring 306 can drive the clamping block 303 to move, the first spring 301 is arranged in the sleeve 302, the elastic coefficient K of the first spring 301 is 500N, the first spring 301 can be stretched by the outward movement of the fixture block 303, a clamping structure is formed between the fixture block 303 and the clamping groove 304, the clamping groove 304 can limit the position of the fixture block 303, the plurality of sleeves 302 and the fixture block 303 are distributed in a centrosymmetric manner by taking the axis of the steel pipe 1 as a reference, and the relative positions of the sleeves 302 and the fixture block 303 and the steel pipe 1 are limited.

The outer side of the second sleeve plate 6 is provided with a clamping assembly 4, the clamping assembly 4 comprises a second spring 401, a pressing plate 402 and a rubber pad 403, the second spring 401 is located at the rotating joint of the sleeve 302 and the second sleeve plate 6, the second spring 401 is a spiral spring with an elastic coefficient K of 1000N/m, two sides of the second spring 401 are fixedly connected with the sleeve 302 and the second sleeve plate 6 respectively, the sleeve 302 rotates outwards to stretch the second spring 401, the pressing plates 402 are fixedly connected to the inner side of the outer wall of the sleeve 302, the sleeve 302 can drive the pressing plate 402 to rotate, the inner side of the pressing plate 402 is fixedly connected with the rubber pad 403, the rubber pad 403 can increase the bonding friction force between the pressing plate 402 and the steel pipe 1, the pressing plates 402 can form a whole ring, and the positioning capacity of the pressing plate 402 is uniform and stable.

When the device for lengthening the steel pipe for building construction is required to be used, firstly, a user can correspondingly place the steel pipe 1 which needs to be connected and lengthened on the left and right sides into the inner wall of the second sleeve plate 6 to be inserted, in the process of insertion and pushing, the steel pipe 1 can push the fixture block 303 and the sleeve 302 to move outwards, so that the sleeve 302 can rotate around the pin shaft 305 to be opened, the second spring 401 is stretched, then, the user can pull the fixture block 303 outwards through the sleeve ring 306 to stretch the first spring 301, so that the fixture block 303 is pulled to the position of the fixture groove 304, the fixture block 303 is inserted into the interior of the fixture groove 304, then, the sleeve ring 306 is loosened, a clamping structure is formed between the fixture block 303 and the fixture groove 304, so that the left and right steel pipes 1 can be pulled inwards through the elastic force of the first spring 301, then, the user can press the second sleeve ring 6 and drive the first sleeve ring 201 to rotate through the anti-skid, make screw block 204 accessible thread groove 202 realize carrying out the screw thread between steel pipe 1 and the first lantern ring 201 and link to each other fixedly, realize controlling the fixed connection between steel pipe 1 and the first lantern ring 201, after connecting the completion, the elasticity of first spring 301 and second spring 401 can drive fixture block 303 respectively and exert inside pressure and drive clamp plate 402 and exert pressure to steel pipe 1 outer wall to steel pipe 1, realize guaranteeing the junction stability of steel pipe 1 and first lantern plate 201 through the inside pressure of steel pipe 1, can realize simultaneously that the problem of rocking appears easily in the long-term use to the position of steel pipe 1 through clamp plate 402 centre gripping.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device of lengthening for construction steel pipe, includes steel pipe (1) and backing plate (5), the inboard laminating of steel pipe (1) has backing plate (5), its characterized in that: the outer side of the backing plate (5) is provided with a connecting component (2);

the connecting assembly (2) comprises a first sleeve plate (201), a thread groove (202), a bearing (203), a thread block (204) and an anti-skid sleeve (205);

the inner wall center of first lagging (201) links to each other with the outer wall of backing plate (5) is fixed, screw thread piece (204) have all been processed to the inner wall left and right sides of first lagging (201), control screw thread groove (202) are processed respectively about the outer wall of steel pipe (1) inboard, equal screw thread links to each other between screw thread piece (204) and screw thread groove (202), both ends outside all rotates with bearing (203) and second lagging (6) and links to each other about first lagging (201), the outside processing of first lagging (201) has antiskid cover (205).

2. An extension device for construction steel pipes according to claim 1, characterized in that: the thread angles of the left and right thread blocks (204) are just opposite.

3. An extension device for construction steel pipes according to claim 1, characterized in that: the vertical center of the first nest plate (201) is consistent with the vertical center of the backing plate (5).

4. An extension device for construction steel pipes according to claim 1, characterized in that: a plurality of tensioning assemblies (3) are mounted on the outer wall of the second strap (6);

the tensioning assembly (3) comprises a first spring (301), a sleeve (302), a clamping block (303), a clamping groove (304), a pin shaft (305) and a sleeve ring (306);

it is a plurality of about the inboard of sleeve (302) all rotates with second lagging (6) through round pin axle (305) and links to each other, the inside clearance fit of sleeve (302) has fixture block (303), the outer end inboard of fixture block (303) all is equipped with draw-in groove (304), the outer wall at steel pipe (1) is all processed in draw-in groove (304), the equal rigid coupling in the outer end outside of fixture block (303) has lantern ring (306), the inside of sleeve (302) all is equipped with first spring (301), the inside and outside both sides of first spring (301) are fixed continuous with sleeve (302) and fixture block (303) respectively.

5. An extension device for construction steel pipes according to claim 4, characterized in that: and a clamping structure is formed between the clamping block (303) and the clamping groove (304).

6. An extension device for construction steel pipes according to claim 4, characterized in that: the plurality of sleeves (302) and the clamping blocks (303) are distributed in a centrosymmetric manner by taking the axis of the steel pipe (1) as a reference.

7. An extension device for construction steel pipes according to claim 1, characterized in that: a clamping assembly (4) is arranged on the outer side of the second sleeve plate (6);

the clamping assembly (4) comprises a second spring (401), a pressing plate (402) and a rubber pad (403);

second spring (401) are located the rotation junction of sleeve (302) and second lagging (6), the both sides of second spring (401) respectively with sleeve (302) and second lagging (6) fixed linking to each other, a plurality of clamp plate (402) rigid coupling is inboard at the outer wall of sleeve (302), the inboard equal rigid coupling of clamp plate (402) has cushion (403).

8. An extension device for construction steel pipes according to claim 7, characterized in that: a plurality of the platens (402) may form a full ring.