CN213298014U

CN213298014U - Novel multi-clamping expansion shell rock anchor rod device

Info

Publication number: CN213298014U
Application number: CN202020339822.3U
Authority: CN
Inventors: 郑朝阳; 陈斌; 郭林; 郑翀; 郑琛; 郑圣; 涂德敏; 陈传识; 周焕亨; 陈石; 厉星武
Original assignee: Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2021-05-28
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a novel many screens shell rock stock that rises device, including the stock, the stock middle section is fixed with a plurality of fixture blocks, and it has a plurality of jack catchs that outwards open to articulate on the fixture block, and the jack catch disposes the torsional spring with the articulated department of fixture block, and the torsional spring is right the outside open pretightning force is applyed to the jack catch, it disposes the face of blockking to correspond every jack catch on the fixture block, blocks the face and prevents the jack catch excessively opens. The clamping jaw of the anchoring device is always in an expansion state under the action of the torsion spring, the clamping jaw can enter a rock wall hole along the direction of inward contraction of the clamping jaw when being inserted, and the clamping jaw is partially embedded into the hole wall under the action of the torsion spring, so that the anchor rod can be effectively prevented from exiting the hole, the anchoring of the anchor rod device is rapidly formed, and stronger anchoring force is achieved after later grouting.

Description

Novel multi-clamping expansion shell rock anchor rod device

Technical Field

The utility model relates to a rock wall consolidates technical field, especially relates to a novel many screens shell rock stock that rises device.

Background

Traditional stock device includes stock and anchor end, and the anchor end forms with the rock mass and is connected after hitting the hole inner wall of seting up on getting into the cliff, and concreting or high strength cement mortar form the reinforcement of stock to the cliff from this in the hole. However, the anchor rod device has insufficient frictional resistance with the hole wall, and is easy to loosen, thereby influencing the reinforcement of the rock wall.

In order to further enhance the frictional resistance, there is also an example in which a side insert is fitted into the side wall, but the side insert does not have the ability to automatically reinforce after loosening in the early stage because the side insert is fitted into the side wall in the early stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel many screens shell rock stock device that rises is provided, this stock device can form bigger frictional resistance with the hole lateral wall to possess the ability of the autonomic reinforcement frictional resistance in later stage.

For this, the utility model provides a novel many screens shell rock stock that rises device, including the stock, the stock middle section is fixed with a plurality of fixture blocks, and it has a plurality of jack catchs of outwards opening to articulate on the fixture block, and the jack catch disposes the torsional spring with the articulated department of fixture block, and the torsional spring is right the outside open pretightning force is applyed to the jack catch, it blocks the face to correspond every jack catch configuration on the fixture block, blocks the face and prevents the jack catch excessively opens.

Furthermore, a plurality of swing grooves are uniformly distributed on the fixture block, the clamping jaws are hinged on two side walls of the swing grooves, and the blocking surfaces are arranged on the outer sides of the swing grooves and are distributed outwards in an inclined mode; and a high-strength reed is fixed on the clamping block, and the inner side of the high-strength reed is tightly propped against the outer side surface of the clamping jaw.

Further, the anchor rod middle section has the external screw thread, the fixture block has the internal thread hole, fixture block detachable threaded connection is in the screw thread section in anchor rod middle section.

Further, the stock rear end has the external screw thread, and the stock rear end cup joints closing cap, elasticity pretension gasket and nut from left to right in proper order, nut and stock threaded connection, and elasticity pretension gasket includes a plurality of elasticity lamella that the disc compresses tightly portion and evenly distributed, interval crack between the elasticity lamella, and elasticity lamella slant distributes, and the disc compresses tightly and is connected through the neck between portion and the elasticity lamella, the hole of cup jointing has in the elasticity pretension gasket.

Further, the stock end has the pawl of side, the stock has the slip casting passageway, and the slip casting passageway switches on with the slip casting export of stock end front end.

Furthermore, a plurality of thread through holes are distributed on the sealing cover, the thread through holes are provided with sealing plugs of external threads, the thread through holes are provided with grouting pipes, and the grouting pipes penetrate through the thread through holes to enter the interior.

The technical effects of the utility model:

1. the clamping jaw of the anchoring device is always in an expansion state under the action of the torsion spring, the clamping jaw can enter a rock wall hole along the direction of inward contraction of the clamping jaw when being inserted, the clamping jaw is partially embedded into the hole wall under the action of the torsion spring, the clamping jaw is limited in an opening angle under the blocking action of the blocking surface, and an anchor rod can be effectively prevented from exiting the hole under the action of external force, so that the anchor rod device can be anchored quickly.

2. The anchor rod is provided with a plurality of groups of clamping blocks and a clamping jaw system, so that multiple frictional resistance can be formed, and the anchoring effect can be further improved.

Drawings

Fig. 1 is the utility model provides a novel many screens rise shell rock stock device's the schematic diagram of the structure section, wherein the jack catch is not backed up to the kicking block.

Fig. 2 is the schematic view of the sectional structure of the novel expanding shell type anchor rod device provided by the utility model, wherein the jack-up jaw is opened by jacking.

Fig. 3 is a schematic cross-sectional view of the cartridge of fig. 1.

Fig. 4 is a schematic structural view of the fixture block in fig. 3 after the fixture block is provided with the opened jaws.

Fig. 5 is a schematic end view of the structure of the elastic pretensioning pad in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to the attached drawings 1-5, the utility model provides a novel many screens shell rock stock device that rises, including stock 1 and

stock end

1A, 1 middle section of stock is fixed with a plurality of fixture blocks 3, sets up in this embodiment and sets up two fixture blocks 3 along length direction, and every fixture block 3 disposes one set of jack catch system, and it has a plurality of jack catch 3A of outwards opening to articulate on the

fixture block

3, and 3 configuration 3A of every fixture block of this embodiment, jack catch 3A dispose the torsional spring with the articulated department of fixture block 3, and the torsional spring is right jack catch 3A applys outside open pretightning force, it blocks face 3B to correspond every jack catch 3A configuration on the fixture block 3, blocks face 3B and prevents jack catch 3A excessively opens. Above-mentioned stock end 1A has the pawl of side, stock 1 has slip casting passageway 1B, and slip casting passageway 1B switches on with the slip casting export 1C of stock end 1A front end.

Referring to fig. 1, 3 and 4, a plurality of swing grooves 3C are uniformly distributed on the fixture block 3, the clamping jaws 31 are hinged on two side walls of the swing grooves 3C, and the blocking surfaces 3B are arranged on the outer sides of the swing grooves 3C and are distributed obliquely outwards; the fixture block 3 is fixed with a high-strength spring 4, the inner side of the high-strength spring 4 is tightly propped against the outer side surface of the clamping jaw 3A, and the high-strength spring 4 enables the clamping jaw 3A to have a certain inward pretightening force, so that the clamping jaw 3A can be embedded into a hole wall more deeply, and a more stable supporting fit is formed. The middle section of the anchor rod 1 is provided with an external thread, the fixture block 3 is provided with an internal thread hole, and the fixture block 3 is detachably connected to the thread section of the middle section of the anchor rod 1 through a thread. In this embodiment, the setting of swing groove 3C makes jack catch 3A's swing direction obtain injecing, strengthens its effect of embedding the pore wall, makes jack catch 3A more even to the holding power of pore wall, is favorable to promoting frictional resistance.

Referring to fig. 1 and 5, the rear end of the anchor rod 1 is provided with an external thread, the rear end of the anchor rod 1 is sequentially sleeved with a sealing cover 5, an elastic pre-tightening gasket 6 and a nut 7 from left to right, the nut 7 is in threaded connection with the anchor rod 1, the elastic pre-tightening gasket 6 comprises a disc-shaped pressing portion 6A and a plurality of elastic flaps 6B which are uniformly distributed, the elastic flaps 6B are separated by gaps, the elastic flaps 6B are obliquely distributed, the disc-shaped pressing portion 6A and the elastic flaps 6B are connected through a neck portion 6C, and a sleeving hole is formed in the elastic pre-tightening gasket 6. A plurality of thread through holes 5A are distributed on the sealing cover 5, the thread through holes 5A are provided with sealing plugs 5B of external threads, the thread through holes 5A are provided with grouting pipes, and the grouting pipes penetrate through the thread through holes 5A to enter the interior. In this embodiment, the pretightening force that elasticity pretension gasket 6 provided is more even, and screw through-hole 5A forms the slip casting system that combines inside and outside with the slip casting hole of front end moreover, can carry out the slip casting more in place.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a novel shell rock stock rises in many screens device, includes the stock, characterized by: the anchor rod middle section is fixed with a plurality of fixture blocks, and it has a plurality of jack catchs of outwards opening to articulate on the fixture block, and the jack catch disposes the torsional spring with the articulated department of fixture block, and the torsional spring is right the outside open pretightning force is applyed to the jack catch, it disposes the face of blockking to correspond every jack catch on the fixture block, blocks the face and prevents the jack catch excessively opens.

2. The novel multi-clamping expansion shell rock bolt device as claimed in claim 1, which is characterized in that: a plurality of swing grooves are uniformly distributed on the fixture block, the clamping jaws are hinged on two side walls of the swing grooves, and the blocking surfaces are arranged on the outer sides of the swing grooves and are obliquely and outwards distributed; and a high-strength reed is fixed on the clamping block, and the inner side of the high-strength reed is tightly propped against the outer side surface of the clamping jaw.

3. The novel multi-clamping shell-expanding rock bolt device as claimed in claim 1 or 2, wherein: the anchor rod middle section has the external screw thread, the fixture block has the internal thread hole, and fixture block detachable threaded connection is in the screw thread section in anchor rod middle section.

4. The novel multi-clamping shell-expanding rock bolt device as claimed in claim 1 or 2, wherein: the anchor rod rear end has the external screw thread, and the anchor rod rear end cup joints closing cap, elasticity pretension gasket and nut in proper order from left to right, nut and anchor rod threaded connection, and elasticity pretension gasket includes a plurality of elasticity lamella that the disc compresses tightly portion and evenly distributed, interval crack between the elasticity lamella, and elasticity lamella slant distributes, and the disc compresses tightly and is connected through the neck between portion and the elasticity lamella, elasticity pretension gasket is interior to have to cup joint the hole.

5. The novel multi-detent expanding shell rock bolt device of claim 3, characterized in that: the anchor rod rear end has the external screw thread, and the anchor rod rear end cup joints closing cap, elasticity pretension gasket and nut in proper order from left to right, nut and anchor rod threaded connection, and elasticity pretension gasket includes a plurality of elasticity lamella that the disc compresses tightly portion and evenly distributed, interval crack between the elasticity lamella, and elasticity lamella slant distributes, and the disc compresses tightly and is connected through the neck between portion and the elasticity lamella, elasticity pretension gasket is interior to have to cup joint the hole.

6. The novel multi-clamping shell-expanding rock bolt device as claimed in claim 1 or 2, wherein: the stock end has the pawl of side, the stock has the slip casting passageway, and the slip casting passageway switches on with the slip casting export of stock end front end.

7. The novel multi-clamping expansion shell rock bolt device as claimed in claim 5, wherein: the stock end has the pawl of side, the stock has the slip casting passageway, and the slip casting passageway switches on with the slip casting export of stock end front end.

8. The novel multi-clamping expansion shell rock bolt device as claimed in claim 5, wherein: a plurality of thread through holes are distributed in the sealing cover, the thread through holes are provided with sealing plugs of external threads, the thread through holes are provided with grouting pipes, and the grouting pipes penetrate through the thread through holes to enter the interior.

9. The new multi-detent expanding shell rock bolt device of claim 7, wherein: a plurality of thread through holes are distributed in the sealing cover, the thread through holes are provided with sealing plugs of external threads, the thread through holes are provided with grouting pipes, and the grouting pipes penetrate through the thread through holes to enter the interior.