CN212803294U

CN212803294U - Novel hydraulic expansion pipe anchor rod

Info

Publication number: CN212803294U
Application number: CN202021882946.2U
Authority: CN
Inventors: 尚勇; 巩长博; 刘正忠
Original assignee: Shandong Jiahao Mining Machinery Co ltd
Current assignee: Shandong Jiahao Mining Machinery Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-26
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a novel water conservancy expansion pipe stock, including the pole head, the inside of pole head sets up to cavity, and six square grooves and the different column round hole of two bores are seted up to the inner wall of pole head, and the spout has all been seted up to the both sides inner wall in six square grooves, and the inner wall sliding connection of spout has a bottom plate, the welding of one side outer wall of bottom plate has a telescopic cylinder, and telescopic cylinder's outer wall and the heavy-calibre column round hole inner wall sliding connection in pole head square groove, telescopic cylinder's other end outer wall welding has the intubate, and the outer wall of intubate and the small-bore column round hole inner wall sliding connection in pole head square groove, the welding of one side outer wall of bottom plate has two springs, and the other end of two. The utility model discloses can tentatively fix before the high-pressure water injection inflation of stock is consolidated, avoid stock water injection inflation in-process stock to take place the skew, influence the normal use of water conservancy expansion pipe stock.

Description

Novel hydraulic expansion pipe anchor rod

Technical Field

The utility model relates to a water conservancy inflation stock technical field especially relates to a novel water conservancy inflation pipe stock.

Background

The principle of the hydraulic expansion type anchor rod is that a steel pipe is pressed into a flat shape and then is surrounded into a round shape, when the hydraulic expansion type anchor rod is used, the anchor rod is inserted into an anchor rod hole, then high-pressure water is injected into the flat round steel pipe to force the steel pipe to expand into the round shape, and the steel pipe is supported by anchoring force under the action of the expansion pressure of the steel pipe and the friction force of the tight extrusion of the hole wall, so that the hydraulic expansion type.

The hydraulic expansion pipe stock that uses at present is that the disect insertion anchor eye is inside, and the high-pressure squirt that reuses carries out the water injection operation to the stock inner chamber, because at high-pressure water injection in-process, the body of rod inflation of stock does not go on simultaneously, can drive the stock during the inflation and take place certain skew condition, leads to the stock whole can the rebound certain distance after high-pressure water injection inflation, and this numerical value that can influence anchor stock reinforcing effect in advance is judged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel hydraulic expansion pipe anchor rod.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel hydraulic expansion pipe stock, includes the pole head, the inside of pole head sets up to cavity, and six square grooves and the different column round hole of two bores are seted up to the inner wall of pole head, and the spout has all been seted up to the both sides inner wall in six square grooves, and the inner wall sliding connection of spout has a bottom plate, one side outer wall welding of bottom plate has a telescopic cylinder, and telescopic cylinder's outer wall and the big-calibre column round hole inner wall sliding connection in pole head square groove, telescopic cylinder's other end outer wall welding has the intubate, and the outer wall of intubate and the small-bore column round hole inner wall sliding connection in pole head square groove, one side outer wall welding of bottom plate has two springs, and the other end of two springs all with one side inner wall welding in pole head square groove, the shallow slot.

Preferably, a plurality of outlet holes are formed in the rod head, the other end of each outlet hole is communicated with the small-caliber cylindrical round hole of the square groove of the rod head, and the outer wall of the insertion tube is in sliding connection with the inner wall of each outlet hole.

Preferably, the outer wall of one end of the rod head is provided with a hexagonal groove, the inner wall of the hexagonal groove is welded with a sealing seat, and a corrosion-resistant rubber ring is arranged between the sealing seat and the rod head.

Preferably, the inner wall of one end of the rod head is welded with an expansion anchor rod, the rod body of the expansion anchor rod is in an omega shape, and the other end of the expansion anchor rod is welded with a water delivery pipe.

Preferably, the tray is welded to the outer wall of one end of the water delivery pipe, the liquid stopping plug is arranged on one side of the tray, and the sealing ring is installed between the liquid stopping plug and the tray.

Preferably, a water injection pipe is arranged on the other side of the tray, the water injection pipe and the water delivery pipe are welded, a thread groove is formed in the outer wall of the water injection pipe, and a nut is connected to the outer wall of the water injection pipe through threads.

Preferably, the outer wall of one side of the sealing seat is welded with a downward-placing boss, the downward-placing boss is conical, and the outer surface of the downward-placing boss is provided with a spiral thread groove.

The utility model has the advantages that:

1. through the arrangement of the rod head, the bottom plate, the telescopic cylinder and the insertion pipe, before the device is subjected to water injection operation, the spring can extrude the bottom plate in order to keep the original deformation state, the bottom plate and the inner wall of the square groove of the rod head are kept on the same plane, and the insertion pipe is in an unextended state; the device is placed in the anchor hole, after high-pressure water injection is carried out on the inner cavity of the device, the water pressure of the inner cavity firstly extrudes the bottom plate, the spring deforms and contracts, the bottom plate moves to the bottom of the square groove of the rod head, the telescopic cylinder moves to the bottom in the large-caliber columnar round hole, the insertion tube moves to the insertion tube in the small-caliber columnar round hole and extends out of the rod head body, the insertion tube is inserted into a rock stratum outside the anchor hole after extending, the outside of the anchor hole of the device is preliminarily reinforced, the phenomenon that the anchor rod deflects in the water injection expansion process of the anchor rod to influence the normal use of the anchor rod of a hydraulic expansion pipe is avoided, the sealing ring can improve the sealing effect of the bottom plate and the;

2. through the arranged pipe outlet hole, the sealing seat and the tray, the device is inserted into the pipe outlet hole in a shrinkage mode when not used, the front-end rod head of the device is convenient to maintain cylindrical, the insertion of the device into the anchor hole is facilitated, a hexagonal groove insertion welding mode is adopted between the sealing seat and the rod head, the connection degree between the rod head and the sealing seat is improved, the sealing effect of the device is improved, the later high-pressure water injection operation on the anchor rod is facilitated, liquid stop plugs and nuts are respectively adopted between the tray and water conveying pipes and water injection pipes at two ends, the sealing effect at a pipeline connection port is improved, and the problem that the expansion effect of the anchor rod is influenced due to insufficient pressure inside the anchor rod when high-pressure water injection is caused by hole seams;

3. through the boss of transferring that sets up, the welded boss shape of transferring of seal receptacle front end is coniform, is convenient for insert in the anchor eye and transfers, and the surface of transferring the boss has seted up the spiral line groove, can improve the insertion effect of transferring the boss for the plug-in time of stock improves the availability factor of stock.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel hydraulic expansion pipe anchor rod provided in embodiment 1;

fig. 2 is a schematic view of a disassembled structure of an upper nozzle of a novel hydraulic expansion pipe anchor rod provided in embodiment 1;

fig. 3 is a schematic view showing a disassembled structure of a head of a novel hydraulic expansion pipe anchor rod provided in example 1;

fig. 4 is a schematic view of the internal structure of the head of a novel hydraulic expansion pipe anchor rod provided in example 1;

fig. 5 is a partial structural schematic view of a novel hydraulic expansion pipe anchor rod proposed in embodiment 2.

In the drawings: 1-a club head; 2-a bottom plate; 3-a telescopic cylinder; 4-intubation; 5-a spring; 6-sealing ring; 7-pipe outlet holes; 8-a sealing seat; 9-expansion anchor rod; 10-water conveying pipe; 11-a tray; 12-liquid stopping plug; 13-sealing ring; 14-a water injection pipe; 15-a nut; and 16-downward placing the boss.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, a novel hydraulic expansion pipe anchor rod comprises a rod head 1, wherein the interior of the rod head 1 is hollow, the inner wall of the rod head 1 is provided with six square grooves and two cylindrical round holes with different diameters, the inner walls of the two sides of the six square grooves are both provided with sliding grooves, the inner walls of the sliding grooves are slidably connected with a bottom plate 2, the outer wall of one side of the bottom plate 2 is fixedly connected with a telescopic cylinder 3, the outer wall of the telescopic cylinder 3 is slidably connected with the inner wall of the large-diameter cylindrical round hole of the square groove of the rod head 1, the outer wall of the other end of the telescopic cylinder 3 is fixedly connected with an insertion pipe 4, the outer wall of the insertion pipe 4 is slidably connected with the inner wall of the small-diameter cylindrical round hole of the square groove of the rod head 1, the outer wall of one side of the bottom plate 2 is, and the inner wall of the shallow groove is embedded with a sealing ring 6.

Wherein, a plurality of outlet holes 7 are arranged on the club head 1, the other end of the outlet hole 7 is communicated with a small-caliber columnar round hole of a square groove of the club head 1, the outer wall of the insertion pipe 4 is connected with the inner wall of the outlet hole 7 in a sliding way, the outer wall of one end of the club head 1 is provided with a hexagonal groove, the inner wall of the hexagonal groove is fixedly connected with a sealing seat 8, a corrosion-resistant rubber ring is arranged between the sealing seat 8 and the club head 1, the inner wall of one end of the club head 1 is fixedly connected with an expansion anchor rod 9, the rod body of the expansion anchor rod 9 is in an omega shape, the other end of the expansion anchor rod is fixedly connected with a water pipe 10, the outer wall of one end of the water pipe 10 is fixedly connected with a tray 11, one side of the tray 11 is provided with a liquid stop plug 12, a sealing ring 13 is arranged between the liquid stop plug 12 and the tray 11, the other side of the tray, the outer wall of the water injection pipe 14 is connected with a nut 15 through a screw thread.

The working principle is as follows: when the device is used, before water injection operation is carried out on the device, the spring 5 can extrude the bottom plate 2 to keep the original deformation state, the bottom plate 2 and the inner wall of the square groove of the rod head 1 are kept on the same plane, and the insertion pipe 4 is contracted in the outlet pipe hole 7 in an unextended state; after the anchor eye is put into to the device, after carrying out high-pressure water injection to the inner chamber of device, the water pressure of inner chamber is at first extrudeed bottom plate 2, spring 5 takes place the deformation shrink, bottom plate 2 removes the tank bottom to the 1 square groove of pole head, telescopic cylinder 3 removes to the bottom in heavy-calibre column round hole, intubate 4 removes to intubate 4 stretches out on the 1 body of pole head in the small-calibre column round hole, intubate 4 inserts in the outside rock stratum of anchor eye after stretching out, carry out preliminary reinforcement to the outside in the anchor eye of device, avoid the 9 water injection inflation in-process stock of inflation stock to take place the skew, influence the normal use of water conservancy inflation pipe stock, sealing ring 6 can improve the sealed effect of bottom plate 2 and the 1 square inslot of pole head inner wall, improve the.

Example 2

Referring to fig. 5, in the present embodiment, compared with embodiment 1, one side outer wall of the seal receptacle 8 is fixedly connected with a lower boss 16, the lower boss 16 is set to be conical, and the outer surface of the lower boss 16 is provided with a spiral groove.

The working principle is as follows: during the use, the welded boss 16 shape of transferring of 8 front ends of seal receptacle is coniform, is convenient for insert in the anchor eye and transfers, transfers the surface of boss 16 and has seted up the spiral line groove, can improve the insertion effect of transferring the boss for the plug-in time of stock improves the availability factor of stock.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel hydraulic expansion pipe anchor rod comprises a rod head (1) and is characterized in that the interior of the rod head (1) is hollow, the inner wall of the rod head (1) is provided with six square grooves and two columnar round holes with different calibers, the inner walls of the two sides of the six square grooves are respectively provided with a sliding groove, the inner wall of the sliding groove is connected with a bottom plate (2) in a sliding manner, the outer wall of one side of the bottom plate (2) is welded with a telescopic cylinder (3), the outer wall of the telescopic cylinder (3) is connected with the inner wall of a large-caliber columnar round hole of the square groove of the rod head (1) in a sliding manner, the outer wall of the other end of the telescopic cylinder (3) is welded with an insertion pipe (4), the outer wall of the insertion pipe (4) is connected with the inner wall of the small-caliber columnar round hole of the square groove of the rod head (1) in a sliding manner, the, a shallow groove is formed in the inner wall of one side of the square groove of the club head (1), and a sealing ring (6) is embedded in the inner wall of the shallow groove.

2. A novel hydraulic expansion pipe anchor rod according to claim 1, characterized in that the rod head (1) is provided with a plurality of outlet holes (7), the other end of the outlet holes (7) is communicated with a small-caliber cylindrical round hole of a square groove of the rod head (1), and the outer wall of the insertion pipe (4) is in sliding connection with the inner wall of the outlet holes (7).

3. A novel hydraulic expansion pipe anchor rod according to claim 1 or 2, characterized in that the outer wall of one end of the rod head (1) is provided with a hexagonal groove, the inner wall of the hexagonal groove is welded with a sealing seat (8), and a corrosion-resistant rubber ring is arranged between the sealing seat (8) and the rod head (1).

4. A novel hydraulic expansion pipe anchor rod according to claim 3, characterized in that an expansion anchor rod (9) is welded on the inner wall of one end of the rod head (1), the rod body of the expansion anchor rod (9) is in an omega shape, and a water delivery pipe (10) is welded on the other end of the expansion anchor rod.

5. The novel hydraulic expansion pipe anchor rod as claimed in claim 4, wherein a tray (11) is welded on the outer wall of one end of the water conveying pipe (10), a liquid stopping plug (12) is arranged on one side of the tray (11), and a sealing ring (13) is arranged between the liquid stopping plug (12) and the tray (11).

6. The novel hydraulic expansion pipe anchor rod as claimed in claim 5, wherein a water injection pipe (14) is arranged at the other side of the tray (11), the water injection pipe (14) and the water delivery pipe (10) are welded, a thread groove is formed in the outer wall of the water injection pipe (14), and a nut (15) is connected to the outer wall of the water injection pipe (14) through a thread.

7. A novel hydraulic expansion pipe anchor rod according to claim 3, characterized in that a downward boss (16) is welded on the outer wall of one side of the sealing seat (8), the downward boss (16) is conical, and the outer surface of the downward boss (16) is provided with a spiral groove.