CN211805813U

CN211805813U - Lengthened sleeve head for anchor rod

Info

Publication number: CN211805813U
Application number: CN201922282754.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Peng Yuzhong
Current assignee: Shuozhou Morgan Mine Support Material Manufacturing Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-30
Anticipated expiration: 2029-12-18

Abstract

The utility model is suitable for an anchor rod cover barrel head field provides an extension cover barrel head for stock, including the push pipe, increase iron pipe and bottom tube, the hexagonal hole has been seted up on the inside top of push pipe, the below integral type of push pipe is connected with intervalve, and the bottom of intervalve has seted up first connecting groove, the outside of intervalve is provided with the reinforcement screw, it is located the below of intervalve to increase the iron pipe, the bottom tube is located the below of increasing the iron pipe, and the last skin weld of bottom tube has the go-between, the bottom tube, the surface of increasing iron pipe, intervalve and push pipe all electroplate the anticorrosive coating. This stock is with extension cover barrel head, when the height of cover barrel head is increased to needs, easy and simple to handle, need not lift pnematic spanner, labour saving and time saving has ensured safety, and excellent in use effect makes things convenient for the dismantlement installation between bottom tube and the intervalve, need not cut this cover barrel head, is convenient for will increase the iron pipe and inject between bottom tube and intervalve, makes things convenient for the later stage welding.

Description

Lengthened sleeve head for anchor rod

Technical Field

The utility model relates to an anchor rod cover barrel head technical field specifically is an anchor rod is with extension cover barrel head.

Background

Along with the increase of the section of the underground coal anchor supporting roadway, the clear height of the roadway design is increased from the original 2.8m to 3.2m, the bolt screw is very difficult to fasten in the mode of installing the top bolt, the operation height of personnel is increased, time and labor are wasted, and the construction safety is not facilitated;

present extension sleeve head when the height of sleeve head is increased in needs, need lift pnematic spanner, waste time and energy, inconvenient length that increases sleeve head, consequently, the utility model aims to provide an anchor rod is with extension sleeve head to solve the problem that above-mentioned background art provided.

Disclosure of Invention

An object of the utility model is to provide an anchor rod is with adding long sleeve head to current adding long sleeve head that proposes in solving above-mentioned background art need lift pnematic spanner when the height of sleeve head is increased to needs, wastes time and energy, the inconvenient problem of increasing the length of sleeve head.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stock is with extension cover sleeve head, includes the push pipe, increases iron pipe and bottom tube, hexagonal hole has been seted up on the inside top of push pipe, and the front end middle part of push pipe has seted up the handle hole, the below integral type of push pipe is connected with the intervalve, and the bottom of intervalve has seted up first spread groove to the outside of first spread groove is provided with the reinforcement screw hole, the outside of intervalve is provided with the reinforcement screw, it is located the below of intervalve to increase the iron pipe, and the upper surface of increasing the iron pipe waits angle welding to have a fixed pole to the bottom of increasing the iron pipe has seted up the second spread groove, the bottom tube is located the below of increasing the iron pipe, and the last skin weld of bottom tube has the go-between, the bottom tube, the surface of increasing iron pipe, intervalve and push pipe all electroplates the anticorrosive coating.

The utility model discloses still provide the cross section of first spread groove and second spread groove all is the loop configuration, and the internal diameter size of first spread groove equals the internal diameter size of second spread groove.

The utility model discloses still provide the vertical central line that increases the iron pipe coincides each other with the vertical central line of intervalve, and the inner wall that increases the iron pipe and intervalve laminates mutually.

The utility model discloses still provide the height of restriction pole equals the height of first connecting groove, and the diameter size of restriction pole equals the internal diameter size of first connecting groove to restriction pole and reinforcement screw hole one-to-one set up.

The utility model discloses still provide the bottom tube is through consolidating screw and intervalve fixed connection, and the angle such as the outer end of intervalve has seted up the reinforcement screw hole.

The utility model discloses still provide the go-between is threaded connection with the connected mode that increases iron pipe and intervalve, and the external diameter of bottom tube and the external diameter that increases the iron pipe all the same with the external diameter of intervalve.

Compared with the prior art, the beneficial effects of the utility model are that: the lengthened sleeve head for the anchor rod is simple and convenient to operate when the height of the sleeve head needs to be increased, a pneumatic wrench does not need to be lifted, time and labor are saved, safety is guaranteed, the using effect is good, the bottom pipe and the middle pipe are convenient to detach and mount, the sleeve head does not need to be cut, the lengthened iron pipe is convenient to be limited between the bottom pipe and the middle pipe, and later-period welding is convenient;

1. the length of the sleeve head formed by the top pipe, the middle pipe and the bottom pipe is increased by welding the increasing iron pipe between the middle pipe and the bottom pipe, when the height of the sleeve head needs to be increased, the operation is simple and convenient, a pneumatic wrench does not need to be lifted, time and labor are saved, the safety is ensured, and the using effect is good;

2. the reinforcing screws for connecting the bottom pipe and the middle pipe are taken down, then the bottom pipe is rotated, the connecting ring is taken out from the inside of the first connecting groove, the bottom pipe and the middle pipe are separated, the bottom pipe and the middle pipe are convenient to disassemble and assemble, and the sleeve head does not need to be cut;

3. through the inside that will increase the restriction pole of iron pipe upper surface and insert first spread groove, again with go-between threaded connection in the inboard of second spread groove, conveniently will increase the iron pipe and inject between intermediate tube and bottom tube, the later stage welding of being convenient for.

Drawings

Fig. 1 is a schematic view of a front view structure provided by the present invention;

FIG. 2 is a schematic view of the connection structure of the middle tube and the bottom tube provided by the present invention; (ii) a

FIG. 3 is a schematic view of the connection structure of the lengthening iron pipe and the limiting rod provided by the present invention;

fig. 4 is a schematic view of the bottom-up sectioning structure of the middle tube provided by the present invention.

In the figure: 1. jacking pipes; 2. a hexagonal hole; 3. an operation hole; 4. an intermediate pipe; 5. a first connecting groove; 6. reinforcing the threaded hole; 7. reinforcing the screw; 8. growing the iron pipe; 9. a restraining bar; 10. a second connecting groove; 11. a bottom tube; 12. a connecting ring; 13. and (4) an anticorrosive layer.

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 lengthened sleeve head for an anchor rod comprises a top pipe 1, a hexagonal hole 2, an operation hole 3, a middle pipe 4, a first connecting groove 5, a reinforcing threaded hole 6, a reinforcing screw 7, a lengthened iron pipe 8, a limiting rod 9, a second connecting groove 10, a bottom pipe 11, a connecting ring 12 and an anticorrosive coating 13, wherein the hexagonal hole 2 is formed in the top end of the interior of the top pipe 1, the operation hole 3 is formed in the middle of the front end of the top pipe 1, the middle pipe 4 is integrally connected to the lower portion of the top pipe 1, the first connecting groove 5 is formed in the bottom end of the middle pipe 4, the reinforcing threaded hole 6 is formed in the outer side of the first connecting groove 5, the reinforcing screw 7 is arranged on the outer side of the middle pipe 4, the lengthened iron pipe 8 is located below the middle pipe 4, the limiting rod 9 is welded on the upper surface of the lengthened iron pipe 8 at equal angles, the second connecting groove 10 is formed in the bottom end of the lengthened iron pipe 8, the bottom pipe 11 is located, the upper surface of the bottom pipe 11 is welded with a connecting ring 12, and the outer surfaces of the bottom pipe 11, the growth iron pipe 8, the middle pipe 4 and the top pipe 1 are all electroplated with an anticorrosive layer 13;

as shown in fig. 1 and 2, the vertical center line of the growing iron pipe 8 coincides with the vertical center line of the middle pipe 4, and the inner wall of the growing iron pipe 8 is attached to the inner wall of the middle pipe 4, so that the growing iron pipe 8, the middle pipe 4 and the bottom pipe 11 are integrated into a whole, the bottom pipe 11 is fixedly connected with the middle pipe 4 through a reinforcing screw 7, and the outer end of the middle pipe 4 is provided with a reinforcing threaded hole 6 at an equal angle, so that the sleeve head structure is stable, the connection modes of the connection ring 12, the growing iron pipe 8 and the middle pipe 4 are both in threaded connection, the outer diameter size of the bottom pipe 11 and the outer diameter size of the growing iron pipe 8 are both the same as the outer diameter size of the middle pipe 4, and the connection between the middle pipe 4 and the bottom pipe 11 as well as;

as shown in fig. 1, 3 and 4, the cross sections of the first connecting groove 5 and the second connecting groove 10 are both in an annular structure, and the inner diameter of the first connecting groove 5 is equal to the inner diameter of the second connecting groove 10, so that the connecting ring 12 is conveniently installed inside the first connecting groove 5 and the second connecting groove 10, the height of the limiting rod 9 is equal to the height of the first connecting groove 5, the diameter of the limiting rod 9 is equal to the inner diameter of the first connecting groove 5, and the limiting rod 9 and the reinforcing threaded holes 6 are arranged in a one-to-one correspondence manner, so that the limiting rod 9 can be inserted into the inside of the first connecting groove 5.

The working principle is as follows: when the lengthened sleeve head for the anchor rod is used, firstly, in daily use and when the length of the sleeve head needs to be lengthened, the reinforcing screw 7 used for connecting the middle pipe 4 and the bottom pipe 11 in the drawing 2 is screwed by using a tool, the reinforcing screw 7 is taken down from the middle pipe 4, the connecting ring 12 above the bottom pipe 11 is in threaded connection with the middle pipe 4, the bottom pipe 11 in the drawing 1 is rotated, the connecting ring 12 is taken out from the inside of the first connecting groove 5, and the middle pipe 4 is separated from the bottom pipe 11;

then the limiting rod 9 is inserted into the first connecting groove 5, the connecting ring 12 is installed inside the second connecting groove 10 in a threaded manner, the middle pipe 4, the growing iron pipe 8 and the bottom pipe 11 are in butt joint, the growing iron pipe 8 is welded between the middle pipe 4 and the bottom pipe 11 by using an external welding tool, and therefore the length of the sleeve head is increased, when the sleeve head is used, the corrosion-resistant layer 13 protects the top pipe 1, the middle pipe 4, the growing iron pipe 8 and the bottom pipe 11 from the moisture in the mine, which is the use method of the lengthened sleeve head for the anchor rod, and the content which is not described in detail in the specification belongs to the prior art which is well known to a person skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an anchor rod is with extension cover sleeve head, includes push pipe (1), increases iron pipe (8) and bottom tube (11), its characterized in that: hexagonal hole (2) have been seted up on the inside top of push pipe (1), and operating hole (3) have been seted up at the front end middle part of push pipe (1), the below integral type of push pipe (1) is connected with intermediate pipe (4), and intermediate pipe (4) the bottom seted up first connecting groove (5) to the outside of first connecting groove (5) is provided with consolidates screw hole (6), intermediate pipe (4) the outside is provided with reinforcement screw (7), increase iron pipe (8) and be located intermediate pipe (4) the below, and increase the equal angle welding of the upper surface of iron pipe (8) and have limited pole (9) to second connecting groove (10) have been seted up to the bottom of increasing iron pipe (8), bottom tube (11) are located the below of increasing iron pipe (8), and the upper surface welding of bottom tube (11) has go-between (12), bottom tube (11), increase iron pipe (8), The outer surfaces of the middle pipe (4) and the top pipe (1) are both electroplated with an anticorrosive layer (13).

2. An elongate sleeve head for a rock bolt according to claim 1 wherein: the cross sections of the first connecting groove (5) and the second connecting groove (10) are both in annular structures, and the inner diameter of the first connecting groove (5) is equal to that of the second connecting groove (10).

3. An elongate sleeve head for a rock bolt according to claim 1 wherein: the vertical central line of the growth iron pipe (8) and the vertical central line of the middle pipe (4) are overlapped, and the inner wall of the growth iron pipe (8) is attached to the inner wall of the middle pipe (4).

4. An elongate sleeve head for a rock bolt according to claim 1 wherein: the height of the limiting rod (9) is equal to that of the first connecting groove (5), the diameter of the limiting rod (9) is equal to that of the inner diameter of the first connecting groove (5), and the limiting rod (9) and the reinforcing threaded hole (6) are arranged in a one-to-one correspondence mode.

5. An elongate sleeve head for a rock bolt according to claim 1 wherein: the bottom pipe (11) is fixedly connected with the middle pipe (4) through a reinforcing screw (7), and reinforcing threaded holes (6) are formed in the outer end of the middle pipe (4) at equal angles.

6. An elongate sleeve head for a rock bolt according to claim 1 wherein: the connecting ring (12) is in threaded connection with the growing iron pipe (8) and the middle pipe (4), and the outer diameter of the bottom pipe (11) and the outer diameter of the growing iron pipe (8) are the same as the outer diameter of the middle pipe (4).