CN217520908U - Anti static load test device that dials of stock - Google Patents

Abstract

The invention discloses an anchor rod anti-pulling static load test device, which relates to the technical field of anchor rod anti-pulling tests and comprises an anchor rod body and an anchor backing plate, wherein the anchor rod body is sleeved inside the center of the anchor backing plate, a jack is arranged on the top side of the anchor backing plate, a clamp is arranged on the top side of the jack, a clamping piece is clamped inside the clamp, and the outer side of one end, close to the clamping piece, of the anchor rod body is movably connected with a sleeve. This application inserts the inside of the four group draw-in grooves that correspond respectively through four spacing cardboard of group, can stretch out the top of end with the spacing card of anchor clamps, and then can guarantee jack and anchor clamps coaxial center, simultaneously through the top with telescopic bottom butt at the roof, then hammer the sleeve downwards with the hammer, so can be even exert force to three roof of group, make three clamping pieces of group move down in step, and then can avoid the skew stock body axle center of anchor clamps as far as possible, thereby can avoid appearing the eccentric condition of being pulled of as far as possible, avoid influencing the test result as far as possible.

Description

Anti static load test device that dials of stock

Technical Field

The invention relates to the technical field of anchor rod anti-pulling tests, in particular to an anchor rod anti-pulling static load test device.

Background

The anchor rod drawing force experiment aims at judging the anchorability of surrounding rocks, evaluating the anchoring force of the anchor rod, a surrounding rock anchoring system and the anchor rod, and can effectively detect the pulling resistance of the anchor rod by mainly matching a jack and an anchor rod drawing instrument.

When the existing testing device is used, the extending end of the jack can be limited through the clamp, and then the anchor rod is tested in an uplift mode through the jack and the clamp.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide an anti static test device of dialling of stock to solve current problem: easily cause the jack and the anchor rod to be eccentric, the eccentric tension condition may appear, influence the test result

In order to solve the technical problem, the application is realized by the following technical scheme: the utility model provides an anti static test device that dials of stock, includes stock body and anchor backing plate, the stock body cup joints inside the center of anchor backing plate, the top side of anchor backing plate is provided with the jack, the top side of jack is provided with anchor clamps, the inside joint of anchor clamps has the clamping piece, the one end outside swing joint that the stock body is close to the clamping piece has the sleeve. The jack comprises an extending end, a clamping groove is formed in the extending end, a limiting clamping plate is fixedly connected to the bottom side of the clamp, a sliding groove is formed in the clamp, a telescopic spring is fixedly connected to the inside of the sliding groove, a sliding block is fixedly connected to one end, close to the anchor rod body, of the telescopic spring, a ball is rotatably connected to the inside of one end, far away from the telescopic spring, of the sliding block, a top plate is fixedly connected to the top end of the clamping piece, and an arc groove is formed in the inner side of the clamping piece.

By adopting the scheme, the eccentric tension condition can be avoided as much as possible, and the influence on the test result is avoided as much as possible.

Furthermore, the jack is sleeved on the outer side of the anchor rod body and communicated with an external hand pump.

Through adopting above-mentioned scheme, drive jack work through the hand pump, and then can give the very big pulling force of stock body.

Further, the clamping piece is provided with three groups, and three groups the clamping piece all blocks in the clearance between anchor clamps and the stock body.

By adopting the scheme, the clamp can be clamped outside the anchor rod body through the three clamping pieces, and the test is conveniently carried out.

Furthermore, four groups of limiting clamping plates and four groups of clamping grooves are correspondingly arranged, and the limiting clamping plates are clamped into the clamping grooves.

Through adopting above-mentioned scheme, through spacing cardboard and draw-in groove joint, can stretch out the top of end with the spacing card of anchor clamps, and then can guarantee jack and anchor clamps with the axle center.

Further, the sliding block is connected inside the sliding groove in a sliding mode.

Through adopting above-mentioned scheme, make things convenient for the slider pressurized to slide along the spout inner wall, can compress the extension spring simultaneously.

Further, the outer side of the ball rolls on the outer side surface of the anchor rod body, and six groups of balls are arranged around the anchor rod body.

Through adopting above-mentioned scheme, give the outside power of slider all the time through the expanding spring, and then drive the outside contact of ball and stock body all the time, maintain anchor clamps and stock body in same axle center through six groups of balls.

Furthermore, the diameter of the top end of the clamping piece is larger than that of the bottom end of the clamping piece, and the arc groove is an arc groove.

Through adopting above-mentioned scheme, the clamping piece through narrow width down conveniently blocks into and carries out spacing fixed to anchor clamps between anchor rod body and the anchor clamps, can make the clamping piece laminate the outside surface of anchor rod body more through the arc groove simultaneously.

Further, the roof corresponds the clamping piece setting, telescopic bottom butt is in the top side of roof.

Through adopting above-mentioned scheme, exert pressure to the roof through what extrude the sleeve downwards can be even, and then can make three group's clamping pieces be pressed into together between stock body and the anchor clamps.

To sum up, this application inserts the inside of the four groups of draw-in grooves that correspond respectively through four groups of spacing cardboard, can stretch out the top of end with the spacing card of anchor clamps, and then can guarantee jack and anchor clamps coaxial center, simultaneously through the top with telescopic bottom butt at the roof, then hammer the sleeve downwards with the hammer, so can be even exert force to three groups of roofs, make three groups of clamping pieces move down in step, and then can avoid the skew stock body axle center of anchor clamps as far as possible, thereby can avoid appearing the eccentric condition of pulling as far as possible, avoid influencing the test result as far as possible.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an anchor rod anti-pulling static load test device according to the present application;

FIG. 2 is a schematic diagram of an anchor rod anti-pulling static load test device according to the present application before structural installation;

fig. 3 is an enlarged schematic view of a part of a structure at a in fig. 2 of an anchor rod anti-pulling static load test device according to the application;

fig. 4 is an internal top view of a clamp structure of an anchor rod anti-pulling static load test device.

Fig. 5 is a schematic structural diagram of a clamping piece of the anchor rod anti-pulling static load test device according to the present application.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an anchor body; 2. an anchor backing plate; 3. a jack; 31. an extension end; 32. a card slot; 4. a clamp; 41. a limiting clamping plate; 42. a chute; 43. a tension spring; 44. a slider; 45. a ball bearing; 5. a clip; 51. a top plate; 52. an arc groove; 6. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1-2, this application is a static load test device is dialled to stock, including stock body 1 and anchor backing plate 2, inside stock body 1 cup jointed at the center of anchor backing plate 2, the top side of anchor backing plate 2 is provided with jack 3, jack 3 cup joints in the outside of stock body 1, and jack 3 and outside hand pump intercommunication drive jack 3 work through the hand pump, and then can give stock body 1 very big pulling force.

As shown in fig. 1-2, the top side of jack 3 is provided with anchor clamps 4, and the inside joint of anchor clamps 4 has clamping piece 5, and clamping piece 5 is provided with three groups, and during three groups of clamping pieces 5 all blocked the clearance between anchor clamps 4 and the stock body 1, can conveniently test the outside of anchor clamps 4 chucking at the stock body 1 through three groups of clamping pieces 5, and stock body 1 is close to the one end outside swing joint of clamping piece 5 and has sleeve 6.

As shown in fig. 3, the jack 3 includes an extending end 31, a clamping groove 32 is formed in the extending end 31, a bottom side of the clamp 4 is fixedly connected with a limiting clamping plate 41, four sets of limiting clamping plates 41 and four sets of clamping grooves 32 are correspondingly arranged, the limiting clamping plate 41 is clamped in the clamping groove 32, the clamp 4 can be clamped at the top of the extending end 31 through the limiting clamping plate 41 and the clamping groove 32, and the coaxiality of the jack 3 and the clamp 4 can be guaranteed.

As shown in fig. 4, a sliding groove 42 is formed in the fixture 4, a telescopic spring 43 is fixedly connected to the inside of the sliding groove 42, a sliding block 44 is fixedly connected to one end of the telescopic spring 43 close to the anchor rod body 1, and the sliding block 44 is slidably connected to the inside of the sliding groove 42, so that the sliding block 44 is pressed to slide along the inner wall of the sliding groove 42, and the telescopic spring 43 is compressed. The slide block 44 is rotatably connected with a ball 45 in the end far away from the telescopic spring 43, the outer side of the ball 45 rolls on the outer side surface of the anchor rod body 1, six groups of balls 45 are arranged around the anchor rod body 1, the slide block 44 is always provided with an outward force through the telescopic spring 43, the ball 45 is always driven to be in contact with the outer side of the anchor rod body 1, and the clamp 4 and the anchor rod body 1 are maintained on the same axis through the six groups of balls 45.

As shown in fig. 5, a top plate 51 is fixedly connected to the top end of the clip 5, the top plate 51 is disposed corresponding to the clip 5, and the top surface of the top plate 51 is disposed horizontally. The bottom end of the sleeve 6 abuts against the top side of the top plate 51, and the top plate 51 can be uniformly pressed by pressing the sleeve 6 downwards, so that the three sets of clamping pieces 5 can be pressed together between the anchor rod body 1 and the clamp 4. Arc groove 52 has been seted up to the inboard of clamping piece 5, and the top diameter ratio of clamping piece 5 is big than the bottom diameter, and arc groove 52 is the arc wall, and the clamping piece 5 through narrow down in the width makes things convenient for the card to advance and carries on spacing fixed to anchor clamps 4 between anchor rod body 1 and the anchor clamps 4, can make the clamping piece 5 the outside surface of laminating anchor rod body 1 more through arc groove 52 simultaneously.

The implementation principle of the anchor rod anti-pulling static load test device is as follows: at first with anchor backing plate 2 cover in the outside of stock body 1 to with anchor backing plate 2 compaction subaerial, then pass stock body 1 with jack 3 and place the top side at anchor backing plate 2, pass stock body 1 with anchor clamps 4 again, insert the inside of draw-in groove 32 through spacing cardboard 41, can stretch out the top of end 31 with spacing card of anchor clamps 4, and then guarantee jack 3 and anchor clamps 4 coaxial.

Then insert the bottom of clamping piece 5 in the clearance between anchor rod body 1 and the anchor rod 4, because the clamping piece 5 is narrow from top to bottom wide, so the more deeply that the clamping piece 5 is inserted down, the better is the fixed action between anchor rod body 1 and the clamp 4, later with the bottom butt of sleeve 6 at the top of roof 51, reuse hammer is hammering downwards, so can be even exert force to three group roof 51 for three group clamping piece 5 move down in step, and then can avoid anchor rod body 1 axle center is deviated to anchor rod 4 as far as possible.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present application disclosed above are intended only to aid in the explanation of the application. The preferred embodiments are not exhaustive and do not limit the application to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and its practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides an anti static test device that dials of stock, includes stock body (1) and anchor backing plate (2), its characterized in that: the anchor rod body (1) is sleeved inside the center of the anchor backing plate (2), a jack (3) is arranged on the top side of the anchor backing plate (2), a clamp (4) is arranged on the top side of the jack (3), a clamping piece (5) is clamped inside the clamp (4), and a sleeve (6) is movably connected to the outer side of one end, close to the clamping piece (5), of the anchor rod body (1); the jack (3) comprises an extending end (31), a clamping groove (32) is formed in the extending end (31), a limiting clamping plate (41) is fixedly connected to the bottom side of the clamp (4), a sliding groove (42) is formed in the clamp (4), a telescopic spring (43) is fixedly connected to the inside of the sliding groove (42), a sliding block (44) is fixedly connected to one end, close to the anchor rod body (1), of the telescopic spring (43), a ball (45) is connected to one end, far away from the telescopic spring (43), of the sliding block (44) in an internal rotating mode, a top plate (51) is fixedly connected to the top end of the clamping piece (5), and an arc groove (52) is formed in the inner side of the clamping piece (5).

2. The anchor rod anti-pulling static load test device according to claim 1, characterized in that: the jack (3) is sleeved on the outer side of the anchor rod body (1), and the jack (3) is communicated with an external hand pump.

3. The anchor rod anti-pulling static load test device according to claim 1, characterized in that: the clamping pieces (5) are arranged in three groups, and the clamping pieces (5) are all clamped into a gap between the clamp (4) and the anchor rod body (1).

4. The anchor rod anti-pulling static load test device according to claim 1, characterized in that: four groups of limiting clamping plates (41) and four groups of clamping grooves (32) are arranged in a mutually corresponding mode, and the limiting clamping plates (41) are clamped into the clamping grooves (32).

5. The anchor rod anti-pulling static load test device according to claim 1, characterized in that: the sliding block (44) is connected inside the sliding groove (42) in a sliding mode.

6. The anchor rod anti-pulling static load test device according to claim 1, characterized in that: the outer sides of the balls (45) roll on the outer side surface of the anchor rod body (1), and six groups of balls (45) are arranged around the anchor rod body (1).

7. The anchor rod anti-pulling static load test device according to claim 1, characterized in that: the diameter of the top end of the clamping piece (5) is larger than that of the bottom end of the clamping piece, and the arc groove (52) is an arc groove.

8. The anchor rod anti-pulling static load test device according to claim 1, characterized in that: the top plate (51) is arranged corresponding to the clamping piece (5), and the bottom end of the sleeve (6) is abutted to the top side of the top plate (51).

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