CN218885606U

CN218885606U - Anti-floating anchor rod drawing lock

Info

Publication number: CN218885606U
Application number: CN202223136492.6U
Authority: CN
Inventors: 陈万昊; 辛若冬; 王菲; 李猛猛; 刘承浩; 马健; 张思凡
Original assignee: Qingdao Taihao Engineering Detecting Co ltd
Current assignee: Qingdao Taihao Engineering Detecting Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-18
Anticipated expiration: 2032-11-24

Abstract

The application relates to an anti-floating anchor rod drawing lock, which comprises an anchor sleeve, wherein a plurality of anchorage devices are sleeved on the inner ring of the anchor sleeve and used for fastening reinforcing steel bars; the first buckling piece and the second buckling piece are buckled with each other, and the first buckling piece and the second buckling piece are wrapped outside the anchor sleeve after being buckled; the fixing part is arranged between the first buckling part and the second buckling part and used for fixing the first buckling part and the second buckling part. This application has and further protects the anchor sleeve in the test procedure, reduces the effect of the probability of anchor sleeve departure.

Description

Anti-floating anchor rod drawing lock

Technical Field

The utility model belongs to the technical field of drawing the tool to lock and specifically relates to a tool to lock is drawn to anti-floating anchor.

Background

The purpose of the anchor rod drawing force test is to judge the anchorage performance of roadway surrounding rock, evaluate the performance of the anchor rod, resin and surrounding rock anchoring system and the anchoring force of the anchor rod. When the anchor rod is pulled, a jack is usually placed near the steel bar to be pulled, a force bearing plate is fixedly connected to one end of the jack, which is far away from the ground, and the steel bar penetrates through the force bearing plate; the outer side wall of the steel bar to be tested is sleeved with the anchor sleeve and the anchors together to fasten the steel bar to be tested. The anchor is arranged in the inner cavity of the anchor sleeve, and the anchor sleeve is abutted against one side of the bearing plate far away from the ground. In the experiment process, the jack applies a force far away from the ground to the bearing plate, the bearing plate applies a force far away from the ground to the anchor sleeve, the anchor sleeve applies a force far away from the ground to the anchor, the anchor applies a force far away from the ground to the reinforcing steel bar, and the reinforcing steel bar is pulled towards the direction far away from the ground; meanwhile, the anchorage device is subjected to the reaction force applied by the steel bars in the direction close to the ground, and the anchorage sleeve is subjected to the reaction force applied by the anchorage device in the direction close to the ground.

In the related technology, in the test process, if the connection among the anchors is unstable, the anchors are crushed, the anchor sleeves are expanded and broken by the anchors or the reinforcing steel bars are broken, the stress on the anchor sleeves is unbalanced, and then the anchor sleeves fly out, the impact force of the flying anchor sleeves is large, and the risk of a test place is too high for a tester.

SUMMERY OF THE UTILITY MODEL

In order to further protect the anchor bush in the test procedure, reduce the probability of anchor bush departure, this application provides a tool to lock is drawn to anti-floating anchor.

The application provides a pair of anti-floating anchor rod draws tool to lock adopts following technical scheme:

an anti-floating anchor pull-out lock, comprising:

the inner ring of the anchor sleeve is sleeved with a plurality of anchorage devices which are used for fastening the reinforcing steel bars;

the first buckling piece and the second buckling piece are buckled with each other, and the first buckling piece and the second buckling piece are wrapped outside the anchor sleeve after being buckled;

the fixing piece is arranged between the first buckling piece and the second buckling piece and used for fixing the first buckling piece and the second buckling piece.

Through adopting above-mentioned technical scheme, when carrying out the stock and drawing the experiment, locate the reinforcing bar lateral wall with the common cover of a plurality of ground tackle, anchor cover is located the ground tackle, cramps the ground tackle, locates the anchor cover outside and lock mutually with first buckling piece and second buckling piece cover, adopts the mounting to fix first buckling piece and second buckling piece. Buckling piece after the lock is located the load board top, and the pneumatic cylinder is located the load board bottom, and the pneumatic cylinder is to the load board application of force, and the load board exerts the power of keeping away from ground to the buckling piece, and the buckling piece exerts the power of keeping away from ground to the anchor cover, and the anchor cover is through exerting the force to the ground tackle, further makes the reinforcing bar receive the pulling force of keeping away from ground that the ground tackle was exerted. In the process, if the anchor sleeve is broken by the anchor, the broken anchor sleeve is located in the cavities of the first buckling piece and the second buckling piece and cannot splash to the outside, and the safety of the measurement test process is improved.

Optionally, all the outer side walls of the anchorage devices are provided with limiting grooves, and after all the anchorage devices jointly hold the reinforcing steel bars, the limiting grooves of all the anchorage devices are communicated.

Through adopting above-mentioned technical scheme, when the anchor sleeve encloses and locates the reinforcing bar periphery, use the steel wire to twine in the cell body that all anchorages correspond the spacing groove, the cell body of spacing groove has played limiting displacement to the steel wire, and the steel wire in the cell body of spacing groove has then carried out certain fastening to all anchorages, holds the steel wire tightly as the anchor sleeve, when the steel wire application of force, has reduced the not hard up probability between a plurality of anchor sleeves.

Optionally, the method includes:

the connecting blocks are arranged in a plurality of numbers, the connecting blocks and the anchorage devices are arranged in a one-to-one correspondence mode, the connecting blocks are fixedly connected to the corresponding anchorage devices, and each connecting block is provided with a connecting through hole.

Through adopting above-mentioned technical scheme, the steel wire is worn to locate the connect the through hole that each connecting block corresponds, can connect a plurality of ground tackle, and in the measurement process, when single ground tackle took place to become flexible, all the other ground tackle can be because of the extrusion trend of anchor sleeve is close to the motion each other, and the ground tackle that tends to be close to the motion each other can carry out further extrusion to not hard up ground tackle for not hard up ground tackle is changeed and is broken away from in the anchor sleeve. And the connecting blocks are connected by steel wires, so that the probability that a single anchorage device is loosened and separated from the anchorage sleeve is reduced.

Optionally, each anchorage device is fixedly connected with a fixing line on one side close to the steel bar, and the fixing lines can be clamped on the outer side wall of the steel bar.

Through adopting above-mentioned technical scheme, when the ground tackle encloses and locates the reinforcing bar lateral wall, the screw thread department that fixed line joint corresponds in the reinforcing bar lateral wall, the setting of fixed line can increase the frictional force between ground tackle and the reinforcing bar, further reduces the not hard up probability of ground tackle.

Optionally, the first limiting ring is fixedly connected to one side of the anchor sleeve close to the anchor;

the second limiting ring is fixedly connected to one side, close to the anchor sleeve, of the anchor, and when the anchor moves relative to the anchor sleeve in the direction away from the ground, the second limiting ring can be clamped with the first limiting ring.

By adopting the technical scheme, the first limiting ring and the second limiting ring also limit the anchorage device to a certain degree, and when the anchorage device and the reinforcing steel bar are loosened, the second limiting ring is clamped in the first limiting ring, so that the probability of the departure of the anchorage device can be reduced.

Optionally, expansion plates are fixedly connected to the sides, close to the ground, of the first fastener and the second fastener, support beams are fixedly connected between the first fastener and the expansion plates and between the second fastener and the expansion plates, and the support beams, the expansion plates and the corresponding first fastener or the corresponding second fastener form a triangular stable structure.

Through adopting above-mentioned technical scheme, the design of loading board and supporting beam is favorable to increasing the bearing area between first buckling piece, second buckling piece and the bearing plate, is favorable to maintaining the even atress of first buckling piece, second buckling piece, reduces first buckling piece and second buckling piece because the uneven probability that takes place crooked of atress, further promotes the security of measuring the operation.

Optionally, the method includes:

the protective cover is fixedly connected to the force bearing plate and can be opened and closed, and the protective cover can be sleeved on the peripheries of the first buckling piece and the second buckling piece.

Through adopting above-mentioned technical scheme, when the reinforcing bar was broken, first buckling piece, second buckling piece, anchor cover, ground tackle etc. all can fly out along with the reinforcing bar that is broken, and when above-mentioned structure fly out, will strike into in the cavity of protection casing, are favorable to guaranteeing constructor's security under the measuring environment.

Optionally, the method includes:

the buffer board, the buffer board is located the protection casing inner chamber, the buffer board with be provided with the spring between the protection casing, work as the buffer board trend is close to during the protection casing motion, the spring is right the buffer board provides and keeps away from the power of protection casing.

By adopting the technical scheme, after the structures such as the anchorage device, the anchor sleeve and the first buckling piece fly out, the buffer plate is impacted with the buffer plate, the spring provides a force far away from the protective cover for the buffer plate, and the buffer plate buffers each structure flying out, so that the impact force of each structure flying out on the protective cover is reduced, and the service life of the protective cover is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first buckling piece and the second buckling piece are matched with the fixing piece, so that the anchor sleeve which is separated from flying out can be limited, and the probability that the anchor sleeve flies out to injure field testers is reduced;

2. the arrangement of the fixing grains can reduce the probability of looseness between the anchorage device and the reinforcing steel bar, and the arrangement of the first limiting ring and the second limiting ring can reduce the probability of looseness between the anchorage device and the anchorage assembly;

3. the buffer board buffers each structure of departure, is favorable to reducing each structure of departure and to the impact of protection casing, prolongs the life of protection casing.

Drawings

Fig. 1 is an exploded view of the overall structure of an anti-floating anchor pull lock according to an embodiment of the present application;

fig. 2 is an exploded schematic view of a first limit ring, a second limit ring, an anchor sleeve and an anchor of the anti-floating anchor rod drawing lock according to the embodiment of the application.

Description of reference numerals: 1. an anchor sleeve; 11. a first limit ring; 2. an anchorage device; 21. a limiting groove; 22. connecting blocks; 221. a connecting through hole; 23. fixing lines; 24. a second stop collar; 3. a first fastener; 31. buckling blocks; 32. a second fastener; 33. buckling the groove; 34. fixing grooves; 35. a fixing member; 36. an expansion board; 37. a support beam; 4. a protective cover; 41. a buffer plate; 42. a spring; 5. a force bearing plate; 6. and (5) reinforcing steel bars.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses tool to lock is drawn to anti-floating anchor. Referring to fig. 1 and 2, the anti-floating anchor rod drawing lockset comprises an anchor sleeve 1, wherein the inner side wall of the anchor sleeve 1 is provided with a conical surface; the inner ring sleeve of the anchor sleeve 1 is provided with three anchors 2, the three anchors 2 are combined to form a centrum structure, and the outer side wall of each anchor 2 can be tightly abutted against the inner side wall of the anchor sleeve 1. The periphery of the anchor sleeve 1 is provided with a first buckling piece 3 and a second buckling piece 32 in a sleeved mode, the first buckling piece 3 is fixedly connected with one side, close to the second buckling piece 32, of the first buckling piece 3 to form a buckling block 31, the second buckling piece 32 is close to one side, close to the first buckling piece 3, of the first buckling piece, a buckling groove 33 is formed in the side, close to the first buckling piece 3, the buckling block 31 and the buckling groove 33 are arranged vertically, the buckling block 31 is completely inserted into a buckling groove 33 groove body, and the first buckling piece 3 and the second buckling piece 32 are buckled. Fixing grooves 34 are formed in the first buckling piece 3 and the second buckling piece 32, the fixing grooves 34 are horizontally arranged, the fixing grooves 34 are radially arranged along the first buckling piece 3 and the second buckling piece 32, a fixing piece 35 is inserted into a groove body of the fixing grooves 34, and the fixing piece 35 is arranged in the buckling block 31 of the buckling groove 33 in a penetrating mode. The ground-adjacent sides of the first fastener 3 and the second fastener 32 are fixedly connected with a spreader plate 36, the spreader plate 36 is horizontally arranged, a support beam 37 is fixedly connected between each of the first fastener 3 and the second fastener 32 and the corresponding spreader plate 36, and the first fastener 3 and the second fastener 32 and the corresponding support beam 37 and spreader plate 36 form a triangular stable structure together.

When drawing the experiment to reinforcing bar 6, make the reinforcing bar 6 that awaits measuring wear to locate the bottom and be provided with load board 5 of jack, locate the 6 peripheries of reinforcing bar that awaits measuring with 1 cover of anchor bush, make three ground tackle 2 enclose and locate 6 lateral walls of reinforcing bar to with 6 lateral walls cladding of reinforcing bar, insert anchor bush 1 with three ground tackle 2 in, 2 lateral walls butt of ground tackle in 1 inside wall of anchor bush, according to the difference of 6 thicknesses of reinforcing bar, ground tackle 2 will be higher than anchor bush 1 to a different extent. The first fastening piece 3 and the second fastening piece 32 are fastened, the reinforcing steel bar 6 penetrates through the first fastening piece 3 and the second fastening piece 32, the anchor sleeve 1 is located in a cavity formed after the first fastening piece 3 and the second fastening piece 32 are fastened, and the fixing piece 35 is inserted into a groove body of the fixing groove 34 to prevent the first fastening piece 3 and the second fastening piece 32 from being loosened in the horizontal direction. Make bearing plate 5 top butt in extension board 36, jack exerts the power of keeping away from ground to bearing plate 5, and bearing plate 5 exerts the power of keeping away from ground to extension board 36 and first buckling piece 3, second buckling piece 32, and first buckling piece 3 exerts the power of keeping away from ground to anchor bush 1 with second buckling piece 32 jointly, and anchor bush 1 exerts the power of keeping away from ground to anchor tackle 2, and anchor tackle 2 exerts the power of keeping away from ground to reinforcing bar 6, strains reinforcing bar 6. In this design, first buckling piece 3, second buckling piece 32 cooperate with mounting 35, and 1 outside of anchor sleeve is located to the common cover, and when anchor sleeve 1 is cracked to splash, first buckling piece 3 and second buckling piece 32 can be spacing to cracked anchor sleeve 1, reduce anchor sleeve 1 fragment injury field tester's probability.

Referring to fig. 2, each outer side wall of the anchorage device 2 is provided with a limiting groove 21, the limiting grooves 21 are horizontally arranged, and when the three anchorage devices 2 are combined, the limiting grooves 21 corresponding to the three anchorage devices 2 are communicated and annularly arranged on the outer side walls of the three anchorage devices 2. Each anchorage device 2 is fixedly connected with a connecting block 22 at one end far away from the ground, and each connecting block 22 is provided with a connecting through hole 221. The limiting groove 21 and the connecting through hole 221 are the same as penetrating steel wires.

The steel wire ring is arranged in the groove body of the limiting groove 21 and is screwed, and pressure close to the axis direction of the combined anchorage device 2 can be provided for each anchorage device 2 along the axial direction of the combined anchorage device 2, so that the anchorage device 2 can more tightly fasten the reinforcing steel bars 6; the reinforcing steel bars 6 penetrate through the connecting holes corresponding to the connecting blocks 22, so that a tensile force can be provided for the anchor device 2 loosened in the anchor sleeve 1, and the probability that the anchor device 2 is completely separated from the anchor sleeve 1 is reduced.

Referring to fig. 2, the inner side wall of the anchor sleeve 1 is fixedly connected with a first limiting ring 11, the first limiting ring 11 is annularly arranged on the inner side wall of the anchor sleeve 1, and the first limiting rings 11 are arranged in an array along the height direction of the anchor sleeve 1; the outer side wall of the anchorage device 2 is fixedly connected with a second limiting ring 24, the second limiting ring 24 is annularly arranged on the outer side wall of the anchorage device 2, and the second limiting rings 24 are arranged in an array along the height direction of the anchorage device 2; when the anchorage 2 tends to move away from the anchorage 2 relative to the anchor sleeve 1, the second stop collar 24 engages with the first stop collar 11. Each anchorage device 2 is far away from one side of the anchor sleeve 1 and is provided with a fixing line 23, and the fixing lines 23 are meshed with the threads on the outer side wall of the steel bar 6.

In the process of tensioning the reinforcing steel bar 6, the grains on the outer side wall of the reinforcing steel bar 6 are clamped in the fixing grains 23 on the inner side wall of the anchorage device 2, so that the probability that the anchorage device 2 is separated from the reinforcing steel bar 6 and splashes out is reduced; when the second limit ring 24 is clamped on the first limit ring 11, the first limit ring 11 applies pressure close to the ground to the anchorage device 2 moving towards the direction away from the ground, so that the probability that the anchorage device 2 is splashed out after being separated from the anchor sleeve 1 is reduced.

Referring to fig. 1, a protective cover 4 is disposed outside the first fastener 3 and the second fastener 32, the protective cover 4 is fixedly connected to the force bearing plate 5, and the protective cover 4 can be opened and closed. The inside wall of protection casing 4 is provided with buffer board 41, and buffer board 41 is close to the setting of protection casing 4 top, and the rigid coupling has spring 42 between buffer board 41 and the protection casing 4, and spring 42 perpendicular to buffer board 41 sets up with the guard plate face, and when buffer board 41 tended to be close to the motion of protection casing 4, spring 42 applyed the effort of keeping away from protection casing 4 to buffer board 41.

When the reinforcing steel bar 6 is broken or the anchorage device 2 is cracked, the first fastener 3, the second fastener 32 and the broken reinforcing steel bar 6 can fly out, after the protective cover 4 is arranged, the flying-out structures such as the first fastener 3, the second fastener 32 and the like can impact the buffer plate 41, the spring 42 is compressed, the buffer plate 41 can buffer the flying-out structures to a certain extent under the reaction force of the spring 42, and finally all the structures are positioned in the cavity of the protective cover 4.

The implementation principle of this application embodiment anti-floating anchor draws tool to lock does: when the anchor sleeve is used by a user, the anchor sleeve 1 and the anchor device 2 are sleeved on the outer side wall of the steel bar 6, the anchor device 2 is abutted against the inner side wall of the anchor sleeve 1, and fixing grains 23 corresponding to the inner side wall of the anchor device 2 are meshed with grains on the outer side of the steel bar 6; and steel wires are wound and screwed in the groove bodies of the limiting grooves 21, and the steel wires are penetrated and screwed between the connecting blocks 22. The anchor sleeve 1 is placed between the first fastener 3 and the second fastener 32, the first fastener 3 and the second fastener 32 are fixed by the fixing member 35, and the expansion plate 36 abuts against the top of the load-bearing plate 5. The protective cover 4 provided with the spring 42 and the buffer plate 41 is folded, so that the first fastener 3 and the second fastener 32 are positioned in the inner cavity of the protective cover 4, the force bearing plate 5 is pressurized, and the pull-out test of the reinforcing steel bar 6 is started. In the test process, the steel wires in the grooves of the limiting grooves 21 and the steel wires connected between the connecting blocks 22 can tighten the anchorage device 2 which is possibly loosened, the first buckling piece 3 and the second buckling piece 32 can limit and block the anchor sleeve 1 which is possibly cracked or breaks away, the protective cover 4 can further limit the broken steel bar 6 which is possibly broken away, the first buckling piece 3, the second buckling piece 32 and other structures, and the injury probability of workers in the external environment is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an anti-floating anchor rod draws tool to lock which characterized in that includes:

the steel bar fixing device comprises an anchor sleeve (1), wherein a plurality of anchors (2) are sleeved on the inner ring of the anchor sleeve (1), and the anchors (2) are used for fastening steel bars (6);

the anchor sleeve (1) comprises a first fastener (3) and a second fastener (32), wherein the first fastener (3) and the second fastener (32) are fastened with each other, and the first fastener (3) and the second fastener (32) are covered on the outer side of the anchor sleeve (1) after being fastened;

a fastener (35), the fastener (35) being disposed between the first fastener (3) and the second fastener (32), the fastener (35) being configured to secure the first fastener (3) and the second fastener (32).

2. The anti-floating anchor pulling lock according to claim 1, characterized in that: all the outer side walls of the anchorage devices (2) are provided with limiting grooves (21), and after the anchorage devices (2) jointly hold the reinforcing steel bars (6), the limiting grooves (21) of all the anchorage devices (2) are communicated.

3. The anti-floating anchor pulling lock according to claim 1, comprising:

connecting block (22), connecting block (22) set up to a plurality ofly, connecting block (22) with ground tackle (2) one-to-one sets up, connecting block (22) rigid coupling in correspond ground tackle (2), every connecting hole (221) have all been seted up in connecting block (22).

4. The anti-floating anchor pulling lock according to claim 1, characterized in that: every ground tackle (2) are close to equal rigid coupling in reinforcing bar (6) one side and have fixed line (23), fixed line (23) can joint in reinforcing bar (6) lateral wall.

5. The anti-floating anchor pulling lock according to claim 1, comprising:

the first limiting ring (11), the first limiting ring (11) is fixedly connected to one side of the anchor sleeve (1) close to the anchorage device (2);

the second limiting ring (24), the second limiting ring (24) is fixedly connected to one side, close to the anchor sleeve (1), of the anchor (2), and when the anchor (2) moves towards the direction far away from the ground relative to the anchor sleeve (1), the second limiting ring (24) can be clamped to the first limiting ring (11).

6. The anti-floating anchor pulling lock according to claim 1, characterized in that: the side, close to the ground, of each of the first fastener (3) and the second fastener (32) is fixedly connected with an expansion plate (36), a support beam (37) is fixedly connected between each of the first fastener (3) and the expansion plate (36) and between each of the second fastener (32) and the expansion plate (36), and each of the support beam (37), the expansion plate (36) and the corresponding first fastener (3) or the corresponding second fastener (32) form a triangular stable structure.

7. An anti-floating bolt draw lock according to claim 1, comprising:

the protective cover (4) is fixedly connected to the force bearing plate (5), the protective cover (4) can be opened and closed, and the protective cover (4) can be sleeved on the peripheries of the first buckling piece (3) and the second buckling piece (32).

8. An anti-floating bolt draw lock according to claim 7, comprising:

buffer board (41), buffer board (41) are located protection casing (4) inner chamber, buffer board (41) with be provided with spring (42) between protection casing (4), work as buffer board (41) tend to be close to when protection casing (4) move, spring (42) are right buffer board (41) provide and keep away from the power of protection casing (4).