CN219045157U

CN219045157U - Automatic drawing device for sleeve bolt

Info

Publication number: CN219045157U
Application number: CN202223370746.0U
Authority: CN
Inventors: 商卫东; 张西坤; 李亮; 杜阳宏; 邢进强; 王晓忍; 李龙
Original assignee: Zhongji Construction And Exploration Group Hainan Co ltd
Current assignee: Zhongji Construction And Exploration Group Hainan Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-19
Anticipated expiration: 2032-12-15

Abstract

The application provides an automatic puller of sleeve pipe bolt belongs to pile foundation construction tool field. The sleeve bolt automatic drawer comprises a U-shaped piece, a bolt, a pressure spring and a pull rope. One end of the U-shaped piece is provided with a jack, the outer side of the other end of the U-shaped piece is provided with a mounting pipe opposite to the jack, the opening is suitable for being clamped into the side wall of the sleeve, and the outer side of the bent part is provided with a connecting structure; the bolt is arranged in the mounting pipe in a sliding way; the pressure spring is arranged in the mounting pipe, and pushes the rear end of the bolt so that the front end of the bolt passes through the side wall of the sleeve and is inserted into the jack, and the bolt seals the opening of the U-shaped piece; the stay cord penetrates from the rear end of the mounting tube and is connected with the rear end of the bolt to pull the bolt backwards so that the bolt retracts into the mounting tube and opens the opening of the U-shaped piece. The bolt is inserted into the jack through the side wall of the sleeve under the action of the pressure spring, so that the bolt cannot be accidentally disconnected; the staff need not to climb, pulls the opening that the stay cord can open the U-shaped spare on ground, has improved work efficiency, has reduced the operation danger.

Description

Automatic drawing device for sleeve bolt

Technical Field

The application belongs to pile foundation construction tool technical field, and more specifically relates to an automatic sleeve bolt drawer.

Background

The full casing drilling method is also called as Bei Nuote construction method, and is one of the main construction methods of a bored pile foundation. The full-sleeve drilling method is to erect the sleeve at the hole forming position, then install hydraulic driving pipe holding, pipe shaking and pressing (or pulling out) machines by using a drilling machine, press the sleeve while shaking and pressing into the soil in the hole forming process, simultaneously take out the soil in the sleeve by using a rotary drilling machine until the steel sleeve is sunk to the designed depth, fill concrete after hole forming, and pull out and remove the sleeve section by section.

In actual construction, one end of the sleeve is required to be connected with a hoisting mechanism of the rotary drilling rig by using a U-shaped ring, then the sleeve is vertically hoisted by using the hoisting mechanism and placed at a hole forming position, and then the U-shaped ring is removed to separate the hoisting mechanism from the sleeve, so that the sleeve is vertically arranged at the hole forming position. However, because the sleeve length is larger (the sleeve length is 2-5 m, a 5m sleeve is usually adopted), the height after erection is higher, when the sleeve is erected, a ladder or an overhead is required to be built, an operator climbs the ladder or the overhead to manually release the U-shaped ring, on one hand, the operator climbs up and down very inconveniently, on the other hand, the working efficiency is low, the construction site area is complex, and the ascending operation danger is very high.

Disclosure of Invention

In view of this, this application embodiment provides an automatic drawer of sleeve pipe bolt to in solving the full sleeve pipe drilling work progress that exists among the prior art, need the operator to ascend a height and manually remove the U-shaped ring, work efficiency is low, the great technical problem of danger.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows:

provided is an automatic drawer for a sleeve plug, comprising:

the U-shaped piece is provided with a jack at one end, a mounting tube opposite to the jack is arranged at the outer side of the other end, the opening is suitable for being clamped into the side wall of the sleeve, and a connecting structure is arranged at the outer side of the bent part;

the bolt is arranged in the mounting pipe in a sliding manner;

the pressure spring is arranged in the mounting pipe and pushes the rear end of the bolt so that the front end of the bolt passes through the side wall of the sleeve and is inserted into the jack, and the bolt seals the opening of the U-shaped piece;

and the pull rope penetrates from the rear end of the mounting pipe and is connected with the rear end of the bolt to pull the bolt backwards so as to retract the bolt into the mounting pipe and open the opening of the U-shaped piece.

In some embodiments, the rear end of the installation tube is in threaded connection with a lock catch, a rope penetrating hole is formed in the middle of the lock catch, the pull rope penetrates into the installation tube from the rope penetrating hole, one end of the pressure spring abuts against the lock catch, and the other end abuts against the rear end of the bolt.

In some embodiments, the latch has threads on the periphery and a hex chuck on the rear end.

In some embodiments, a connecting plate with a radial hole is arranged at the rear end of the bolt, the connecting plate is inserted into the front end of the pressure spring, and the pull rope penetrates from the rear end of the pressure spring and is connected with the connecting plate through the radial hole.

In some embodiments, the front end opening of the mounting tube is provided with an inner shoulder, and the rear end of the plug pin is provided with an outer shoulder, the outer shoulder being opposite to the inner shoulder in the axial direction of the mounting tube, so as to limit the rear end of the plug pin from falling out of the front end of the mounting tube.

In some embodiments, the end of the U-shaped member with the mounting tube is provided with a relief hole, and the relief Kong Birang is provided at the front end of the mounting tube such that the mounting tube is opposite the receptacle.

In some embodiments, the inner diameter of the avoidance hole is smaller than the inner diameter of the front end opening of the installation tube to form an inner convex shoulder, and the rear end of the bolt is provided with an outer convex shoulder, and the outer convex shoulder and the inner convex shoulder are opposite to each other in the axial direction of the installation tube so as to limit the rear end of the bolt from falling out of the front end of the installation tube.

In some embodiments, the connection structure is a tail plate with a hanging hole at the rear end; the U-shaped piece still includes two curb plates, two the curb plate respective rear end laminate respectively in the both sides of tailboard front end and fixed, so that two the curb plate with the front end of tailboard forms U-shaped structure, a slice the front end of curb plate sets up the jack, another slice the outside of curb plate front end sets up the mounting tube.

In some embodiments, the rear ends of each of the two side plates are welded to the front end of the tail plate.

The sleeve bolt automatic drawer provided by the embodiment of the application has the beneficial effects that: compared with the prior art, the automatic sleeve bolt drawer has the advantages that the U-shaped piece is connected to the hoisting mechanism or other hoisting equipment through the connecting structure, the U-shaped piece is clamped on the side wall of the sleeve, and the bolt penetrates through the side wall of the sleeve to be inserted into the jack under the action of the pressure spring, so that the sleeve is firmly connected with the hoisting mechanism or other hoisting equipment and is not accidentally disconnected; when the lifting is needed to be released, a worker does not need to climb, and can pull the pull rope on the ground, so that the bolt is retracted into the mounting pipe, the opening of the U-shaped piece is opened, the operation is simple, the working efficiency is improved, and the operation danger is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of an internal structure of an automatic sleeve bolt drawer in a connected state according to an embodiment of the present disclosure;

FIG. 2 is a schematic view showing an internal structure of the automatic sleeve plug drawer of FIG. 1 in an opened state;

fig. 3 is a front view of the U-shaped member of fig. 1.

Wherein, each reference sign in the figure:

1-U-shaped piece; 11-mounting a tube; 111-locking; 112-rope holes; 113-hexagonal chuck; 12-jack; 13-avoiding holes; 131-an inner shoulder; 14-tail plate; 141-hanging holes; 15-side plates; 2-a bolt; 21-connecting plates; 22-radial holes; 23-an outer shoulder; 3-a compression spring; 4-pulling rope.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Referring to fig. 1 to 3, an automatic sleeve pin drawer according to an embodiment of the present application will now be described. An automatic sleeve latch drawer comprising:

the U-shaped piece 1 is provided with a jack 12 at one end, a mounting pipe 11 opposite to the jack 12 is arranged at the outer side of the other end, an opening is suitable for being clamped into the side wall of the sleeve, and a connecting structure is arranged at the outer side of the bent part;

the bolt 2 is arranged in the mounting tube 11 in a sliding manner;

the pressure spring 3 is arranged in the mounting tube 11 and pushes the rear end of the bolt 2 so that the front end of the bolt 2 passes through the side wall of the sleeve and is inserted into the jack 12, and the bolt 2 seals the opening of the U-shaped piece 1;

a pulling rope 4 penetrates from the rear end of the mounting tube 11 and is connected with the rear end of the bolt 2 to pull the bolt 2 backwards so that the bolt 2 is retracted into the mounting tube 11 to open the opening of the U-shaped piece 1.

Compared with the prior art, the automatic sleeve bolt drawer disclosed by the embodiment of the application has the advantages that the U-shaped piece 1 is connected to the hoisting mechanism or other hoisting equipment through the connecting structure, the U-shaped piece 1 is clamped on the side wall of the sleeve, and the bolt 2 is inserted into the jack 12 through the side wall of the sleeve under the action of the pressure spring 3, so that the sleeve is firmly connected with the hoisting mechanism or other hoisting equipment and is not accidentally disconnected; when the lifting is needed to be released, a worker can pull the pull rope 4 on the ground to retract the bolt 2 into the mounting tube 11, the opening of the U-shaped piece 1 is opened, the operation is simple, the working efficiency is improved, and the operation danger is reduced.

In the embodiment, the U-shaped piece 1 is adopted to clamp the side wall of the sleeve, and the bolt 2 penetrates through the side wall of the sleeve to close the opening of the U-shaped piece 1, so that the connection is firm. The connecting structure outside the bent part of the U-shaped piece 1 can be connected with a hoisting mechanism or other hoisting equipment.

The bolt 2 stretches out from the mounting tube 11 and passes through the side wall of the sleeve to be inserted into the jack 12 under the action of the pressure spring 3, so that firm connection is ensured, and the bolt 2 is prevented from accidentally retreating into the mounting tube 11.

The stay cord 4 penetrates from the rear end of the installation tube 11, and when the stay cord 4 is pulled, a backward pulling force can be formed on the bolt 2, so that the bolt 2 is retracted into the installation tube 11, and the structure is more reasonable.

Referring to fig. 1 and fig. 2, as a specific embodiment of the automatic sleeve bolt drawer provided by the present application, a lock catch 111 is screwed at the rear end of a mounting tube 11, a rope hole 112 is provided in the middle of the lock catch 111, a pull rope 4 penetrates into the mounting tube 11 from the rope hole 112, one end of a pressure spring 3 abuts against the lock catch 111, and the other end abuts against the rear end of a bolt 2.

In this embodiment, the lock catch 111 is in threaded connection with the rear end of the installation tube 11, so that the lock catch 111 can be conveniently opened, and the compression spring 3 can be installed or replaced. The lock catch 111 is arranged on the rear end of the installation tube 11, so that the rope penetrating hole 112 on the lock catch 111 is positioned at the rear end of the installation tube 11, the pull rope 4 penetrates into the installation tube 11 from the rope penetrating hole 112, and when the pull rope 4 is pulled, a backward pulling force can be formed on the bolt 2, so that the structure is more reasonable.

Referring to fig. 1 and 2, as a specific embodiment of the automatic sleeve pin drawer provided in the present application, the latch 111 has threads on its periphery and a hexagonal chuck 113 at its rear end.

In this embodiment, the lock catch 111 is mounted on the rear end of the mounting tube 11 by a screw thread on the outer periphery, and can be clamped on the hexagonal chuck 113 on the rear end of the lock catch 111 by a tool such as a wrench, so that the lock catch 111 can be screwed and disassembled easily.

Referring to fig. 1 and 2, as a specific embodiment of the automatic sleeve bolt drawer provided in the present application, a connecting plate 21 with a radial hole 22 is provided at the rear end of the bolt 2, the connecting plate 21 is inserted into the front end of the compression spring 3, and the pull rope 4 penetrates from the rear end of the compression spring 3 and is connected with the connecting plate 21 through the radial hole 22.

In this embodiment, the connecting plate 21 at the rear end of the bolt 2 is inserted into the front end of the compression spring 3, so as to ensure that the compression spring 3 can be accurately propped against the rear end of the bolt 2. The stay cord 4 penetrates from the rear end of the pressure spring 3 and is connected with the connecting plate 21 through the radial hole 22, so that the overall structure is compact, and the stay cord is convenient to install in the installation tube 11. In particular embodiments, the pull cord 4 may be wound around the connection plate 21 through the radial hole 22, and then fastened by lashing or otherwise.

Referring to fig. 1 and 2, as a specific embodiment of the automatic sleeve pin drawer provided in the present application, an inner shoulder 131 is provided at a front end opening of the installation tube 11, an outer shoulder 23 is provided at a rear end of the pin 2, and the outer shoulder 23 is opposite to the inner shoulder 131 in an axial direction of the installation tube 11, so as to limit the rear end of the pin 2 from being pulled out from the front end of the installation tube 11.

In this embodiment, the inner shoulder 131 at the front opening of the mounting tube 11 is annular, and the outer shoulder 23 at the rear end of the plug 2 is annular. During assembly, the bolt 2 is inserted from the rear end of the mounting tube 11, and then the rear end of the mounting tube 11 is plugged by the lock catch 111, so that the bolt 2 can slide back and forth in the mounting tube 11 and cannot fall out.

Referring to fig. 1 to 3, as a specific embodiment of the automatic sleeve pin drawer provided in the present application, an end of the U-shaped member 1 provided with the installation tube 11 is provided with a avoiding hole 13, and the avoiding hole 13 avoids the front end of the installation tube 11, so that the installation tube 11 is opposite to the insertion hole 12.

In this embodiment, the plug 2 extends from the front end of the mounting tube 11 and is inserted into the insertion hole 12 through the escape hole 13.

Referring to fig. 1 to 3, as a specific embodiment of the automatic sleeve pin drawer provided in the present application, the inner diameter of the avoiding hole 13 is smaller than the inner diameter of the front end opening of the mounting tube 11 to form an inner shoulder portion 131, the rear end of the pin 2 is provided with an outer shoulder portion 23, and the outer shoulder portion 23 is opposite to the inner shoulder portion 131 in the axial direction of the mounting tube 11 so as to limit the rear end of the pin 2 from falling out from the front end of the mounting tube 11.

Referring to fig. 1 to 3, as a specific embodiment of the automatic sleeve pin drawer provided in the present application, the connection structure is a tail plate 14 with a hanging hole 141 at the rear end; the U-shaped member 1 further comprises two side plates 15, wherein the rear ends of the two side plates 15 are respectively attached to two sides of the front end of the tail plate 14 and fixed, so that the front ends of the two side plates 15 and the tail plate 14 form a U-shaped structure, the front end of one side plate 15 is provided with an insertion hole 12, and the outer side of the front end of the other side plate 15 is provided with an installation tube 11.

In this embodiment, the two side plates 15 are attached to and fixed to two sides of the tail plate 14, so that the bearing capacity is higher. In a specific implementation, the mounting tube 11 is welded to the outer side of the front end of one side plate 15, and the front end of the side plate 15 is provided with a relief hole 13, so that the mounting tube 11 is opposite to the insertion hole 12, and the inner diameter of the relief hole 13 is smaller than the inner diameter of the opening of the front end of the mounting tube 11 to form an inner shoulder 131.

Referring to fig. 1 to 3, as a specific embodiment of the automatic sleeve pin drawer provided in the present application, the rear ends of the two side plates 15 are welded to the front ends of the tail plates 14, respectively.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. The automatic drawer of sleeve pipe bolt, its characterized in that includes:

the bolt is arranged in the mounting pipe in a sliding manner;

2. The automatic sleeve bolt drawer according to claim 1, wherein a lock catch is connected to the rear end of the installation tube in a threaded manner, a rope threading hole is formed in the middle of the lock catch, the pull rope penetrates into the installation tube from the rope threading hole, one end of the pressure spring abuts against the lock catch, and the other end abuts against the rear end of the bolt.

3. The automatic sleeve plug drawer as recited in claim 2, wherein the latch has threads on an outer periphery thereof and a hex chuck on a rear end thereof.

4. The automatic sleeve bolt drawer according to claim 1, wherein a connecting plate with a radial hole is arranged at the rear end of the bolt, the connecting plate is inserted into the front end of the pressure spring, and the pull rope penetrates from the rear end of the pressure spring and is connected with the connecting plate through the radial hole.

5. The automatic sleeve plug drawer as recited in claim 1, wherein the front end opening of the installation tube is provided with an inner shoulder, and the rear end of the plug is provided with an outer shoulder, the outer shoulder being opposite to the inner shoulder in the axial direction of the installation tube to restrict the rear end of the plug from being pulled out from the front end of the installation tube.

6. The automatic sleeve plug drawer as recited in claim 1, wherein an end of said U-shaped member provided with said mounting tube is provided with a relief hole, said relief Kong Birang being provided at a forward end of said mounting tube such that said mounting tube is opposed to said receptacle.

7. The automatic sleeve plug puller of claim 6, wherein said relief bore has an inner diameter less than an inner diameter of said mounting tube forward end opening, said plug rear end having an outer shoulder opposite said inner shoulder in an axial direction of said mounting tube to limit removal of said plug rear end from said mounting tube forward end.

8. The automatic sleeve pin drawer as recited in claim 1, wherein the connecting structure is a tail plate with a hanging hole at the rear end; the U-shaped piece still includes two curb plates, two the curb plate respective rear end laminate respectively in the both sides of tailboard front end and fixed, so that two the curb plate with the front end of tailboard forms U-shaped structure, a slice the front end of curb plate sets up the jack, another slice the outside of curb plate front end sets up the mounting tube.

9. The automatic sleeve pin drawer of claim 8, wherein the rear ends of each of the two side plates are welded to the front ends of the tail plates.