CN112683670A - Anchor rod drawing experiment device and detection method thereof - Google Patents
Anchor rod drawing experiment device and detection method thereof Download PDFInfo
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- CN112683670A CN112683670A CN202011476572.9A CN202011476572A CN112683670A CN 112683670 A CN112683670 A CN 112683670A CN 202011476572 A CN202011476572 A CN 202011476572A CN 112683670 A CN112683670 A CN 112683670A
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Abstract
The utility model relates to an anchor rod drawing experiment device and a detection method thereof, which are applied to the technical field of anchor rod drawing detection and comprise a frame, wherein the frame comprises a base, a side frame is arranged on the base, one side of the side frame, which is far away from the base, is provided with a top plate, an anchoring mechanism is arranged on the base of the frame, a clamping mechanism is arranged on one side of the side frame, which is far away from the base, of the anchoring mechanism, a lifting mechanism for lifting the clamping mechanism is arranged on the top plate, one side, which is close to the clamping mechanism, of the top plate is provided with a displacement sensor. This application promotes clamping mechanism through elevating system to the purpose of drawing the stock is realized, then calculates the data that reachs anchor strength to the data of pressure sensor and displacement sensor feedback, reaches the effect that detects stock anchor strength, and be convenient for the operator accurate measure stock anchor strength data, the operator of being convenient for simultaneously detects the stock.
Description
Technical Field
The application relates to the technical field of anchor rod drawing detection, in particular to an anchor rod drawing experimental device and a detection method thereof.
Background
The anchor bolt supporting technology has the advantages of reinforcing rock mass, reducing the dead weight of a structure, saving engineering materials and the like, is gradually developed into a main technical means for preventing and treating geological disasters in recent years, and is widely applied to the field of geotechnical engineering such as side slopes, foundation pits, tunnels and the like. In actual engineering, the anchor rod anchoring strength testing technology needs to be studied more deeply due to complexity and concealment of damage of the anchor rod anchoring system.
Chinese patent with publication number CN211401921U discloses an anchor rod drawing device, it draws the check out test set field to belong to the anchor rod, anchor rod drawing device is including being used for providing the drawing force to the stock that awaits measuring a plurality of jacks, an anchor subassembly for the anchor rod that the centre gripping awaits measuring, the anchor subassembly passes through the dead lever and sets up in the inboard of a plurality of jacks and near the top push one end of a plurality of jacks, the anchor subassembly includes the inside ground tackle that is provided with the back taper through-hole, set up in the inside splint of back taper through-hole, the outer wall of splint and the inner wall looks adaptation of back taper through-hole, when splint press from both sides the stock that awaits measuring, the one end that the jack was kept away from to splint.
Aiming at the related technologies, the inventor thinks that the anchor rod anchoring strength is detected in a construction site, and the detection work is difficult to carry out due to the limitation of environmental conditions and the influence of uncertain factors, so that certain influence is caused on the accurate mastering of the anchor rod anchoring strength.
Disclosure of Invention
In order to solve the problem that the anchoring strength of the anchor rod is difficult to detect in a construction site, the application provides an anchor rod drawing experimental device and a detection method thereof.
First aspect, the application provides an experimental apparatus is drawn to stock adopts following technical scheme:
the utility model provides an experimental apparatus is drawn to stock, includes the frame, the frame includes the base, be equipped with the side bearer on the base, one side that the base was kept away from to the side bearer is equipped with the roof, be equipped with anchor mechanism on the base of frame, the side bearer is equipped with clamping mechanism in one side that anchor mechanism deviates from the base, be equipped with the elevating system who is used for promoting clamping mechanism on the roof, one side that the roof is close to clamping mechanism is equipped with displacement sensor and pressure sensor, displacement sensor and pressure sensor all contradict in clamping mechanism.
Through adopting above-mentioned technical scheme, the operator will wait to detect the one end of stock peg graft in the anchoring mechanism, wear to locate the clamping machine structure with the other end of stock, the operator passes through the clamping machine structure and presss from both sides tight fixedly to the stock after that, then the operator starts elevating system, make elevating system promote clamping machine structure, with the purpose of realizing drawing the stock, clamping machine structure exerts pressure to pressure sensor and displacement sensor this moment, and pressure sensor and displacement sensor feed back data to the computer, the data that reachs anchoring strength through the calculation of computer, thereby reach the effect that detects stock anchoring strength, and then be convenient for the accurate stock anchoring strength data of measuring of operator, so that the operator detects the stock.
Optionally, the clamping mechanism comprises a supporting plate slidably arranged on the side frame, a positioning column is arranged on the supporting plate, an installation hole is axially formed in the positioning column, two sides of the installation hole in the vertical direction are both hinged with an installation plate, and one side of each of the two installation plates, which is opposite to the installation plate, is provided with a clamping plate; two one side that the mounting panel is relative and the one end that is close to the roof all is equipped with the piece that supports tightly, the reference column be equipped with between two mounting panels with support tight the frame of contradicting of piece tightly, support tight frame and all wear to be equipped with a guide bar along length direction's both ends, two guiding holes have been seted up along the peripheral direction to the reference column, the guiding hole is seted up along the reference column axial, one of them the guide bar is worn to locate in one of them guiding hole, another the guide bar is worn to locate in another guiding hole, the one end threaded connection that the reference column is close to the roof has the thread bush, the thread bush is close to the one end of roof and has seted up the annular, two the guide bar is all pegged graft in.
By adopting the technical scheme, an operator penetrates the anchor rod between the two clamp plates, then the operator rotates the thread sleeve to enable the thread sleeve to move towards one side far away from the support plate, the bottom wall of the annular groove is abutted against the guide rod and pushes the guide rod to slide along the length direction of the guide hole, meanwhile, the two guide rods push the abutting frame to move towards one side far away from the support plate, the abutting frame is abutted against the two abutting blocks simultaneously and pushes the two abutting blocks to tilt upwards, the abutting blocks drive the mounting plate to rotate around the hinge point, the mounting plate pushes the clamp plates to approach the anchor rod, until the two clamp plates abut against the anchor rod simultaneously, the operator stops rotating the thread sleeve to achieve the effect of clamping the anchor rod, so that the operator can fix the anchor rod to facilitate the pull-out detection test of the anchor rod, and the operator can separate the abutting frame from the abutting blocks by reversely rotating the thread sleeve, thereby be convenient for the mounting panel drives splint and breaks away from the stock, and then reduce the condition emergence of splint jamming stock to the operator is dismantled the stock.
Optionally, a sliding groove is formed in one side, close to the clamping plate, of the mounting plate along the length direction, a sliding block is connected in the sliding groove in a sliding mode, and the clamping plate is mounted on the sliding block.
Through adopting above-mentioned technical scheme, when splint clamp is tight on the stock, two mounting panels all are in the state to the stock slope, and clamping mechanism is at the in-process that rises, produce the friction between splint and the stock and support tightly on the stock, thereby produce the relative slip between mounting panel and the splint, and the mounting panel constantly rises, make splint more and more support tightly on the stock, the length direction of slider edge spout slides simultaneously, the spout is spacing to the moving direction of slider, thereby the stability of relative movement between mounting panel and the splint has been increased, and then the compactness between splint and the stock is increased.
Optionally, one side of the clamping plate close to the mounting plate is provided with an insertion groove along the length direction, the sliding block is inserted in the insertion groove, and the clamping plate is hinged to the sliding block through a hinge shaft.
Through adopting above-mentioned technical scheme, splint can rotate on the slider through the articulated shaft, have increased the flexibility of splint self to on the splint of being convenient for are more abundant support tightly the stock, and then increase the area of contact of splint and stock, increased the frictional force between stock and the splint, with the possibility that reduces the stock and appear skidding at the in-process of drawing, improve the precision of detection data simultaneously.
Optionally, the two opposite side walls of the insertion groove are provided with slideways, each slideway comprises a horizontal groove and a vertical groove communicated with the horizontal groove, the vertical groove is formed along the length direction of the insertion groove, the horizontal groove is formed in one end, far away from the abutting block, of the vertical groove, and the open end of the horizontal groove faces the mounting plate.
Through adopting the above-mentioned technical scheme, the operator is when installing splint, the operator aligns the articulated shaft with the notch in horizontal groove, then the operator promotes splint to be close to the mounting panel, make the articulated rod slide along the length direction in horizontal groove, when aligning until articulated shaft and vertical groove, the operator promotes the incline direction slip of splint along the mounting panel, make the articulated person slide along the length in vertical groove, the articulated shaft carries on spacingly through vertical groove to splint this moment, in order to reach the effect of locating clip board, thereby be convenient for the quick installation splint of operator, operator's reverse operation can be taken off splint from the slider, thereby be convenient for the operator to dismantle splint, and then be convenient for the operator to change not unidimensional splint, so that splint press from both sides tightly not unidimensional stock, the effect of drawing the experiment to not unidimensional stock has been reached.
Optionally, the side wall of the positioning column is connected with a supporting rod which is in contact with the mounting plate in a threaded manner, and the supporting rod is arranged on one side of the mounting plate, which deviates from the clamping plate.
Through adopting above-mentioned technical scheme, after splint support tightly on the stock, the operator rotates the pole that supports and is close to the mounting panel to support tight pole and support tightly to the mounting panel on, make to support tight pole and carry on spacingly to the mounting panel, thereby increase the stability of mounting panel, take place around the pin joint pivoted condition with reducing the mounting panel, support tight pole simultaneously can be further support tightly the stock with splint on, thereby increase the firmness between stock and the splint, with the possibility that appears skidding between reduction stock and the splint.
Optionally, the positioning column includes two half cylinders with the same size, and the supporting plate is provided with a driving member for driving the half cylinders; the driving piece comprises a threaded rod, the threaded rod is connected to the supporting plate through a fixing seat in a threaded mode, the threaded rod is symmetrically arranged along the axis of the positioning column, two connecting blocks are arranged on one sides, away from the semi-cylinders, of the two connecting blocks, and the connecting blocks are connected to the threaded rod in a rotating mode.
Through adopting above-mentioned technical scheme, the operator pulling guide bar breaks away from the annular to rotate the thread bush and break away from the reference column, the operator rotates two threaded rods this moment, make the threaded rod drive connecting block remove along the length direction of backup pad, two connecting blocks drive two semicylinders simultaneously and remove to the one side that deviates from mutually, in order to reach the effect of split reference column, and then the operator of being convenient for changes splint, so that clamping mechanism presss from both sides tightly fixedly to not unidimensional stock.
Optionally, the anchoring mechanism includes a storage barrel for holding an anchoring material, the side frame is provided with a fixing member for fixing the storage barrel, and the base is provided with a vibrating member for supporting the storage barrel; the vibration piece includes a supporting table, one side of the supporting table towards the base is provided with a vibration motor and a damping spring, one end of the damping spring is fixed on the supporting table, and the other end of the damping spring is fixed on the base.
By adopting the technical scheme, an operator adds anchoring materials into the storage cylinder, the anchor rod is inserted in the middle of the storage cylinder, then the operator starts the vibration motor, the vibration motor drives the support table to vibrate, the storage cylinder is driven by the support table to vibrate, so as to achieve the effect of tamping the anchoring materials in the storage cylinder, thereby increasing the compactness of the anchoring materials, further increasing the compactness between the anchoring materials and the anchor rod, so as to reduce the occurrence of the situation that the anchor rod is easily separated from the anchoring materials, and facilitate the drawing detection of the anchor rod, thereby improving the accuracy of detection data, meanwhile, the support table compresses the damping springs under the gravity action of the storage cylinder, the damping springs are required to have elastic restoring force, and the damping springs buffer the support table under the action of the elastic restoring force, thereby playing a damping role on the support table, thereby reducing the possibility of vibration of the frame.
Optionally, the mounting is including setting up the bracing piece on the side bearer, be equipped with the holding ring on the bracing piece, the holding ring is worn to locate by the storage section of thick bamboo, the bracing piece all is equipped with a fixed block, two in the both sides of holding ring peripheral direction all wear to be equipped with an adjusting screw on the fixed block, the one end that adjusting screw is close to the storage section of thick bamboo is rotated and is connected with and supports tight board, support tight board and lean on one side of advancing the storage section of thick bamboo and seted up the draw-in groove, be equipped with on the lateral wall of storage section.
Through adopting above-mentioned technical scheme, after vibrating motor tamps the anchor material, the operator rotates adjusting screw, make adjusting screw promote to support tight board and be close to the storage section of thick bamboo, and will support tight board and support tightly on the storage section of thick bamboo, in order to reach the effect of fixed storage section of thick bamboo, thereby increase the stability of storage section of thick bamboo, the draw-in groove is pegged graft to the fixture block simultaneously, make the draw-in groove carry on spacingly to the fixture block, in order to reach the effect of further fixed storage section of thick bamboo, and then reduce the stock at the in-process of drawing, axial motion's probably appears in the.
In a second aspect, the anchor rod drawing detection method provided by the application adopts the following technical scheme:
an anchor rod drawing detection method comprises the following steps: s1: placing an anchoring material into the material storage barrel, inserting one end of the anchor rod into the anchoring material, and simultaneously penetrating the anchor rod into the clamping mechanism; s2: clamping the anchor rod through a clamping mechanism; s3: vibrating the anchoring material in the storage cylinder by a vibrating piece; s4: fixing the storage cylinder through a fixing piece; s5: and starting the lifting mechanism to lift the clamping mechanism.
Through adopting above-mentioned technical scheme, the operator inserts the one end of stock in the storage section of thick bamboo, the other end wears to establish between two splint, and add the anchor material the same with the job site in to the storage section of thick bamboo, the operator rotates the thread bush after that, make the thread bush promote to support tight frame along the axial displacement of reference column, support tight frame and drive the mounting panel through supporting tight piece this moment and rotate, make the mounting panel promote splint to support tightly to the stock, then the operator starts vibrating motor, make vibrating motor tamp the anchor material in the storage section of thick bamboo, make the anchor material fix the stock, the operator stops vibrating motor, the operator rotates adjusting screw this moment, make adjusting screw promote to support tight board and fix the storage section of thick bamboo, operator starts elevating system at last and carries and draws clamping mechanism, in order to reach the effect that detects stock anchoring strength.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the clamping mechanism is lifted through the lifting mechanism so as to achieve the purpose of drawing the anchor rod, then data fed back by the pressure sensor and the displacement sensor are calculated to obtain data of anchoring strength, the effect of detecting the anchoring strength of the anchor rod is achieved, an operator can conveniently and accurately measure the data of the anchoring strength of the anchor rod, and the operator can conveniently detect the anchor rod;
2. the effect of quickly mounting or dismounting the clamping plates can be achieved through the slide ways, so that operators can conveniently replace the clamping plates with different sizes, and the clamping plates can conveniently clamp anchor rods with different sizes;
3. the vibration motor vibrates the anchoring material in the storage cylinder, so that the effect of tamping the anchoring material in the storage cylinder can be achieved, the compactness of the anchoring material is increased, and the compactness between the anchoring material and the anchor rod is also increased, so that the situation that the anchor rod is easily separated from the anchoring material is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram for embodying the positioning post in the embodiment of the present application.
Fig. 3 is an exploded view of a positioning column according to an embodiment of the present disclosure.
Fig. 4 is an enlarged schematic view of a portion a in fig. 2.
Fig. 5 is an enlarged schematic view of a portion B in fig. 2.
Description of reference numerals: 1. a frame; 11. a base; 12. a side frame; 121. a limiting hole; 13. a top plate; 14. a displacement sensor; 15. a pressure sensor; 16. a limiting rod; 2. an anchoring mechanism; 21. a storage cylinder; 211. a clamping block; 212. fixing the rod; 22. a support table; 221. positioning a plate; 23. a vibration motor; 24. a damping spring; 25. a support bar; 26. a positioning ring; 27. a fixed block; 28. adjusting the screw rod; 29. a propping plate; 291. a card slot; 3. a clamping mechanism; 31. a support plate; 311. a through hole; 32. a positioning column; 321. mounting holes; 322. a guide hole; 33. mounting a plate; 331. a chute; 34. a propping block; 35. a splint; 351. inserting grooves; 352. a slideway; 3521. a horizontal groove; 3522. a vertical slot; 36. tightly abutting against the frame; 37. a guide bar; 38. a threaded sleeve; 381. a ring groove; 39. a slider; 391. a return spring; 40. hinging a shaft; 41. a fixed seat; 42. connecting blocks; 43. a threaded rod; 44. a tightening rod; 5. a lifting mechanism; 51. a connecting rod; 52. a fixing plate; 53. a worm screw hoist; 6. a supporting seat; 61. a threaded barrel; 62. a stud; 63. a support disc; 7. an anchor rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses experimental apparatus is drawn to stock.
Referring to fig. 1 and 2, the anchor rod drawing experimental device comprises a frame 1, wherein the frame 1 comprises a base 11. One side of the base 11, which is away from the ground, is provided with two side frames 12, and one end of each of the two side frames 12, which is far away from the base 11, is fixedly connected with a top plate 13. Base 11 is equipped with anchor mechanism 2 in the one side that deviates from ground, and anchor mechanism 2 is including setting up the vibrating member on base 11 to and set up the mounting on side bearer 12, and the one end that base 11 was kept away from to the vibrating member is equipped with storage cylinder 21, and storage cylinder 21 wears to locate in the mounting. The side frame 12 is provided with a clamping mechanism 3 at one end of the storage barrel 21 far away from the vibrating piece, and the clamping mechanism 3 is arranged on the side frame 12 in a sliding manner. And a pressure sensor 15 and a displacement sensor 14 are arranged on one side of the top plate 13 facing the clamping mechanism 3, and the pressure sensor 15 and the displacement sensor 14 are electrically connected to a computer.
Referring to fig. 1 and 2, a lifting mechanism 5 is arranged on one side of the top plate 13, which is away from the clamping mechanism 3, the lifting mechanism 5 is fixed on four connecting rods 51 on the clamping mechanism 3, one end of each of the four connecting rods 51, which is close to the top plate 13, is fixedly connected with a fixing plate 52, and the pressure sensor 15 and the displacement sensor 14 are both abutted against the fixing plate 52. Meanwhile, a worm wheel screw rod lifter 53 is arranged on one side, away from the fixed plate 52, of the top plate 13, and a screw rod on the worm wheel screw rod lifter 53 penetrates through the top plate 13 and is rotatably arranged on the fixed plate 52.
Referring to fig. 1 and 2, in the process of testing the anchor rod 7, an operator firstly inserts one end of the anchor rod 7 into the anchoring mechanism 2, then penetrates the other end of the anchor rod 7 into the clamping mechanism 3, clamps and fixes the anchor rod 7 through the clamping mechanism 3, and then fixes the anchor rod 7 through the anchoring mechanism 2. At this time, the operator starts the worm and screw rod lifter 53, so that the worm and screw rod lifter 53 drives the fixing plate 52 to approach the top plate 13, and the fixing plate 52 drives the clamping mechanism 3 to ascend through the connecting rod 51, thereby achieving the effect of pulling the anchor rod 7. Meanwhile, the fixing plate 52 compresses the pressure sensor 15 and the displacement sensor 14, and the pressure sensor 15 and the displacement sensor 14 transmit data to a computer after being extruded by external force, and a final numerical value is obtained through calculation of the computer, so that the effect of detecting the anchoring strength of the anchor rod 7 is achieved.
Referring to fig. 2 and 3, the clamping mechanism 3 includes support plates 31 slidably connected to the side frames 12, two support plates 31 are both provided with a limiting hole 121 along the vertical direction, one end of each support plate 31 is inserted into one limiting hole 121, and the other end is inserted into the other limiting hole 121. And a pair of limiting rods 16 are arranged in the two limiting holes 121, and the supporting plate 31 can be guided by the limiting rods 16, so that the stability of the supporting plate 31 in sliding is improved. Through-hole 311 that supplies stock 7 to pass is seted up at the middle part of backup pad 31, and backup pad 31 is equipped with reference column 32 in the one side that is close to fixed plate 52 simultaneously, and mounting hole 321 has been seted up along the axial to reference column 32, and whole reference column 32 is run through to mounting hole 321.
Referring to fig. 2 and 4, the positioning column 32 is provided with a mounting plate 33 on both sides of the mounting hole 321 in the vertical direction, and one end of the mounting plate 33 away from the supporting plate 31 is hinged to the positioning column 32. Two mounting panels 33 are keeping away from and are being kept away from a piece 34 that supports of equal fixedly connected with in the one end of backup pad 31, and two support piece 34 all extend to two mounting panels 33 relative one side. Meanwhile, one side of each of the two mounting plates 33 opposite to the other side is provided with a clamping plate 35 in a sliding manner, and a tight abutting frame 36 is arranged between the two mounting plates 33. The abutting frame 36 is disposed between the abutting block 34 and the clamping plate 35, and the abutting frame 36 and the abutting block 34 are both provided with an inclined surface, and the two inclined surfaces abut against each other. The other two side walls of the tightening frame 36 are provided with a guide rod 37, and the guide rod 37 is slidably connected to the tightening frame 36. Two guide holes 322 communicated with the mounting hole 321 are formed in the positioning column 32, the guide holes 322 are formed along the axial direction of the positioning column 32, one guide rod 37 penetrates through one guide hole 322, and the other guide rod 37 penetrates through the other guide hole 322.
Referring to fig. 2 and 3, a threaded sleeve 38 is sleeved on an end of the positioning column 32 away from the supporting plate 31, and the threaded sleeve 38 is screwed on the positioning column 32. One end of the threaded sleeve 38 far from the supporting plate 31 and one side close to the positioning column 32 are provided with a buffer along the circumferential direction, and the ends of the two guide rods 37 far away from each other are inserted into the annular groove 381.
Referring to fig. 2 and 3, the operator rotates the threaded sleeve 38, so that the threaded sleeve 38 pushes the guide rod 37 to move along the length direction of the guide hole 322, and drives the abutting frame 36 to move along the axial direction of the positioning column 32. Until support tight frame 36 and contradict two and support when tight piece 34 on, support tight frame 36 and promote two through the inclined plane and support tight piece 34 and remove to the one side that deviates from mutually, support tight piece 34 this moment and drive mounting panel 33 and rotate around person's pin joint, mounting panel 33 promotes splint 35 and is close to stock 7, until two splint 35 support tightly simultaneously on stock 7, the operator stops to rotate thread bush 38 to reach the effect of pressing from both sides tight fixed stock 7, thereby be convenient for draw the realization to stock 7. The operator rotates the threaded sleeve 38 in the reverse direction to disengage the abutment frame 36 from the abutment block 34, so that the operator can detach the anchor rod 7.
Referring to fig. 2 and 3, the positioning post 32 is provided with a tightening rod 44 through a side of the mounting plate 33 facing away from the clamping plate 35, and the tightening rod 44 is screwed on the positioning post 32. When the mounting panel 33 supports splint 35 tightly on stock 7, the operator rotates and supports tight pole 44 and be close to the mounting panel 33 to support tightly on mounting panel 33, in order to reach the effect of injecing mounting panel 33, thereby can be further support tightly stock 7 with splint 35 on, and then promote the fastness between stock 7 and the splint 35, in order to reduce stock 7 at the in-process of drawing, the possibility of reversal appears in mounting panel 33.
Referring to fig. 2 and 4, a sliding groove 331 is formed in one side of the mounting plate close to the clamping plate 35 along the length direction, a sliding block 39 is arranged in the sliding groove 331 in a sliding manner, and the cross sections of the sliding block 39 and the sliding groove 331 are both T-shaped, so that the moving direction of the sliding block 39 can be limited, and the situation that the sliding block 39 is separated from the sliding groove 331 is reduced. The slide block 39 is far away from one end of the bottom wall of the slide groove 331 and extends out of the slide groove 331, the insertion groove 351 is formed in one side, close to the mounting plate 33, of the clamping plate 35, and one end, extending out of the slide groove 331, of the slide block 39 is inserted into the insertion groove 351. There is the clearance between mounting panel 33 and the splint 35, and splint 35 articulates on slider 39 through articulated shaft 40 to increase splint 35's flexibility, and then be convenient for splint 35 abundant support tightly to stock 7 on, in order to reach the effect of fastening stock 7.
Referring to fig. 2 and 4, the slide groove 331 is provided with a return spring 391 at one end near the abutting block 34, and one end of the return spring 391 is fixed to the slider 39 and the other end is fixed to an end surface of the slide groove 331. During the pulling process of the anchor rod 7, friction is generated between the anchor rod 7 and the clamping plate 35, and the anchor rod 7 is driven to slide along the length direction of the mounting plate 33. At this time, the clamping plate 35 drives the sliding block 39 to slide in the sliding groove 331, so that the sliding block 39 stretches the return spring 391, and the return spring 391 is stressed to have elastic contraction force. When the operator stops the pulling experiment to take out the anchor rod 7, the return spring 391 pulls the sliding block 39 to slide in the sliding groove 331, so that the clamping plates 35 are quickly reset, and the operator can conveniently wear the anchor rod 7 between the two clamping plates 35 again.
Referring to fig. 2 and 4, a slide 352 has all been seted up to splint 35 on two relative lateral walls of inserting groove 351, and slide 352 is including seting up at inserting groove 351 and keeping away from the horizontal groove 3521 of the one end of resisting tight piece 34 to and the vertical groove 3522 that communicates with horizontal groove 3521, and vertical groove 3522 extends to one side that inserting groove 351 is close to and supports tight piece 34. And the notch of the horizontal groove 3521 faces the mounting plate 33, when the operator mounts the clamp plate 35, the operator aligns the notch of the horizontal groove 3521 with the hinge shaft 40 and pushes the clamp plate 35 closer to the mounting plate 33, so that the hinge shaft 40 slides in the longitudinal direction of the horizontal groove 3521. When the hinge shaft 40 is aligned with the vertical groove 3522, the operator pushes the clamp plate 35 to move along the length direction of the mounting plate 33, so that the hinge shaft 40 is inserted into the vertical groove 3522, and the clamp plate 35 is limited by the vertical groove 3522, thereby achieving the effect of fixing the clamp plate 35.
Referring to fig. 2 and 3, the positioning column 32 includes two half cylinders with the same size, the planes of the two half cylinders are arranged oppositely, one of the mounting plates 33 is hinged on one of the half cylinders, and the other mounting plate 33 is hinged on the other half cylinder. And be equipped with the driving piece on the support plate 31, the driving piece includes two fixing bases 41 that set up along support plate 31 length direction, and two fixing bases 41 set up along the axis symmetry of through-hole 311. Threaded rods 43 are arranged on the two fixing seats 41 in a penetrating mode, and the threaded rods 43 are connected to the fixing seats 41 in a threaded mode. One end of the threaded rod 43 close to the semi-cylinder is rotatably connected with a connecting block 42, and the connecting block 42 is fixedly connected on the semi-cylinder. One end of the threaded rod 43, which is far away from the semi-cylinder, extends to the outer side of the support plate 31 and is fixedly connected with a handle so as to rotate the threaded rod 43.
Referring to fig. 2 and 3, the operator rotates the threaded sleeve 38 toward the support plate 31 to disengage the guide rod 37 from the annular groove 381, and then removes the guide rod 37 and the threaded sleeve 38 from the positioning post 32. At this time, the operator simultaneously rotates the two threaded rods 43, so that the threaded rods 43 drive the connecting block 42 to slide along the length direction of the support plate 31. Simultaneously two connecting blocks 42 drive two semicylinders to the one side removal that deviates from mutually to reach split reference column 32's effect, thereby be convenient for the operator to change not unidimensional splint 35, and then the splint 35 of being convenient for presss from both sides tightly not unidimensional stock 7.
Referring to fig. 1 and 2, the anchoring mechanism 2 includes a vibrator, a fixing member, and a storage cylinder 21, and the storage cylinder 21 is composed of two half cylinders and is connected by a screw thread so that an operator can disassemble the storage cylinder 21. The vibrating piece is including setting up a supporting bench 22 on base 11, and a supporting bench 22 passes through damping spring 24 to be connected on base 11, and on damping spring 24's one end was fixed in base 11, the other end was fixed in supporting bench 22, and damping spring 24 was equipped with two pairs along a supporting bench 22's length direction, and one side that supporting bench 22 was close to base 11 simultaneously is equipped with two vibrating motor 23. Storage cylinder 21 sets up the one side that deviates from base 11 at a supporting bench 22, and a supporting bench 22 is equipped with two locating plates 221 along the circumferencial direction at storage cylinder 21, and two locating plates 221 all contradict on storage cylinder 21 to reach the effect of fixed storage cylinder 21, thereby increase the stability between storage cylinder 21 and the supporting bench 22.
Referring to fig. 2 and 5, the fixing member includes support rods 25 provided on the side frames 12, and one end of each support rod 25 is fixed to one of the side frames 12 and the other end thereof is fixed to the other side frame 12. The middle part of the supporting rod 25 is provided with a positioning ring 26, and the storage barrel 21 is arranged in the positioning ring 26 in a penetrating way. The support rod 25 is provided with two fixing blocks 27 along the length direction, and the two fixing blocks 27 are symmetrically arranged along the axis of the positioning ring 26. And an adjusting screw 28 is in threaded connection with each of the two fixing blocks 27, an arc-shaped abutting plate 29 is arranged at one end of the adjusting screw 28 close to the material storage barrel 21, and the abutting plate 29 is rotatably connected to the adjusting screw 28. The inner wall of the abutting plate 29 is provided with a clamping groove 291 along the arc direction, and the storage barrel 21 is provided with a clamping block 211 with the same size as the clamping groove 291.
Referring to fig. 2, after the operator inserts the anchor rod 7 into the storage barrel 21, the operator adds an anchoring material, which may be a mixture of concrete and water, into the storage barrel 21. The operator then activates the vibration motor 23 so that the vibration motor 23 vibrates the support table 22. Meanwhile, the supporting table 22 drives the storage cylinder 21 to vibrate to achieve the effect of tamping concrete, and then waits for the concrete to be solidified into a concrete block, so that the gap in the concrete block is reduced, the compactness of the concrete block is further increased, and the compactness between the concrete and the anchor rod 7 is improved.
Referring to fig. 2 and 5, the operator rotates the adjusting screw 28, so that the adjusting screw 28 pushes the abutting plates 29 to approach the storage barrel 21 until the two abutting plates 29 abut against the storage barrel 21 at the same time, so as to fix the storage barrel 21. Meanwhile, the clamping block 211 is inserted into the clamping groove 291, and the abutting plate 29 further limits the storage cylinder 21 through the clamping block 211, so that the movement of the storage cylinder 21 along the axis direction is limited, and the stability of the storage cylinder 21 is further improved. Meanwhile, two groups of fixing rods 212 penetrate through the storage barrel 21, the two groups of fixing rods 212 are symmetrically arranged along the axis of the storage barrel 21, and three fixing rods 212 are arranged along the axis of the storage barrel 21. After the concrete is solidified, the fixing rod 212 is fastened on the concrete block to achieve the effect of fixing the concrete block, so that the situation that the concrete block is separated from the storage barrel 21 in the pulling process of the anchor rod 7 is reduced.
Referring to fig. 2, a supporting seat 6 is arranged on the base 11, the supporting seat 6 includes a threaded cylinder 61 fixed on the base 11, a stud 62 is connected in the threaded cylinder 61 through internal threads, and a supporting plate 63 is fixedly connected to one end of the stud 62 far away from the base 11. After the material storage cylinder 21 is fixed by the tightening plate 29, the operator rotates the stud 62, so that the adjusting screw 28 pushes the support plate 31 to approach the support table 22, and the support table 22 is tightened on the material storage cylinder 21, so as to achieve the effect of tightening the material storage cylinder 21, thereby further increasing the stability of the material storage cylinder 21.
The implementation principle of the anchor rod drawing experimental device in the embodiment of the application is as follows: the operator is at the in-process that detects stock 7, and the operator inserts the one end of stock 7 in the storage cylinder 21 earlier, wears to establish the other end between two splint 35. The operator then turns the threaded sleeve 38 so that the threaded sleeve 38 pushes against the abutment frame 36 and against the abutment block 34. At this time, the mounting plate 33 drives the clamping plate 35 to abut against the anchor rod 7, so that the effect of primarily fixing the anchor rod 7 is achieved.
The operator then pours the anchoring material into the magazine drum 21 and fixes the anchor rod 7 in the magazine drum 21 by means of the anchoring material. The operator then activates the vibration motor 23 to tamp the anchoring material in the storage barrel 21. When the vibration motor 23 is stopped, the operator rotates the adjusting screw 28 to tightly press the pressing plate 29 against the storage cylinder 21, so as to fix the storage cylinder 21. Finally, the operator starts the worm and screw rod lifter 53, so that the worm and screw rod lifter 53 lifts the support plate 31, the purpose of drawing the anchor rod 7 is achieved, the pressure sensor 15 and the displacement sensor 14 are pressed through the fixing plate 52, and the numerical value of the anchoring strength of the anchor rod 7 is obtained through calculation of the computer.
The embodiment of the application further discloses an anchor rod drawing detection method.
The anchor rod drawing detection method comprises the following steps:
s1: an operator firstly penetrates one end of the anchor rod 7 between the two clamping plates 35 to preliminarily position the anchor rod 7, then the two half-cylinder bodies are arranged on two sides of the anchor rod 7, and the two half-cylinder bodies are fixed through bolts to form a storage cylinder 21, so that one end, far away from the clamping plates 35, of the anchor rod 7 is positioned in the storage cylinder 21;
s2: an operator penetrates the fixing rod 212 into the storage barrel 21, a layer of plastic film is coated on the outer side of the fixing rod 212, then the operator adds an anchoring material into the storage barrel 21, and the coating of the plastic film on the fixing rod 212 can facilitate the operator to separate the fixing rod 212 from the anchoring material after the detection of the anchor rod 7 is completed;
s3: an operator rotates the threaded sleeve 38, so that the threaded sleeve 38 pushes the guide rod 37 to slide along the length direction of the guide hole 322, at the moment, the guide rod 37 drives the abutting frame 36 to approach the abutting block 34 and abut against the abutting block 34, so that the abutting block 34 pushes the mounting plate 33 to rotate around a hinge point, then the mounting plate 33 pushes the clamping plate 35 to approach the anchor rod 7, and the anchor rod 7 is clamped, so that the effect of primarily fixing the anchor rod 7 is achieved;
s4: an operator starts the vibration motor 23, so that the vibration motor 23 drives the storage barrel 21 to vibrate through the support table 22 to achieve the effect of tamping the anchoring material, thereby increasing the compactness of the anchoring material, further increasing the tightness between the anchoring material and the anchor rod 7, and improving the accuracy of detection data;
s5: an operator rotates the adjusting screw 28, so that the adjusting screw 28 pushes the abutting plate 29 to abut against the storage barrel 21, the clamping block 211 is inserted into the clamping groove 291, so that the abutting plate 29 fixes the storage barrel 21 to increase the stability of the storage barrel 21, and meanwhile, the operator rotates the stud 62, so that the support plate 63 pushes the support table 22 to abut against the storage barrel 21 to further fix the storage barrel 21;
s6: the operator starts the worm screw lifter 53, so that the worm screw lifter 53 lifts the support plate 31, and meanwhile, the fixing plate 52 applies pressure to the pressure sensor 15 and the displacement sensor 14, so that the pressure sensor 15 and the displacement sensor 14 transmit data to the computer, and the final anchoring strength value of the anchor rod 7 is obtained through calculation of the computer.
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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an experimental apparatus is drawn to stock, includes frame (1), frame (1) includes base (11), be equipped with side bearer (12) on base (11), one side that base (11) were kept away from in side bearer (12) is equipped with roof (13), its characterized in that: be equipped with anchor mechanism (2) on base (11) of frame (1), side bearer (12) are equipped with clamping machine structure (3) in one side that anchor mechanism (2) deviate from base (11), be equipped with elevating system (5) that are used for promoting clamping machine structure (3) on roof (13), one side that roof (13) are close to clamping machine structure (3) is equipped with displacement sensor (14) and pressure sensor (15), displacement sensor (14) and pressure sensor (15) all contradict on clamping machine structure (3).
2. The anchor rod drawing experimental device according to claim 1, characterized in that: the clamping mechanism (3) comprises a supporting plate (31) which is arranged on the side frame (12) in a sliding mode, a positioning column (32) is arranged on the supporting plate (31), a mounting hole (321) is formed in the positioning column (32) in the axial direction, two sides of the mounting hole (321) in the vertical direction are hinged to a mounting plate (33), and a clamping plate (35) is arranged on one side, opposite to the two mounting plates (33);
two one end that mounting panel (33) are relative and be close to roof (13) all is equipped with and supports tight piece (34), reference column (32) are equipped with between two mounting panels (33) and support tight frame (36) of contradicting with supporting tight piece (34), support tight frame (36) and all wear to be equipped with a guide bar (37) along length direction's both ends, reference column (32) have seted up two guiding holes (322) along the peripheral direction, guiding hole (322) are seted up along reference column (32) axial, one of them guide bar (37) are worn to locate in one of them guiding hole (322), another guide bar (37) are worn to locate in another guiding hole (322), the one end threaded connection that reference column (32) are close to roof (13) has thread bush (38), thread bush (38) are close to the one end of roof (13) and have seted up annular (381) along the circumferencial direction, the two guide rods (37) are inserted into the ring grooves (381).
3. The anchor rod drawing experimental device according to claim 2, characterized in that: spout (331) have been seted up along length direction in one side that mounting panel (33) are close to splint (35), sliding connection has slider (39) in spout (331), splint (35) are installed on slider (39).
4. The anchor rod drawing experimental device according to claim 3, characterized in that: inserting grooves (351) are formed in one side, close to the mounting plate (33), of the clamping plate (35) along the length direction, the sliding block (39) is inserted into the inserting grooves (351), and the clamping plate (35) is hinged to the sliding block (39) through a hinge shaft (40).
5. The anchor rod drawing experimental device according to claim 4, characterized in that: all seted up slide (352) on two lateral walls that inserting groove (351) is relative, slide (352) include horizontal groove (3521) and with vertical groove (3522) of horizontal groove (3521) intercommunication, vertical groove (3522) are seted up along the length direction of inserting groove (351), the one end of keeping away from tight piece (34) in vertical groove (3522) is seted up in horizontal groove (3521), the open end of horizontal groove (3521) is towards mounting panel (33).
6. The anchor rod drawing experimental device according to claim 2, characterized in that: threaded connection has the pole (44) of supporting inconsistent with mounting panel (33) on the lateral wall of reference column (32), support pole (44) set up the one side that deviates from splint (35) in mounting panel (33).
7. The anchor rod drawing experimental device according to claim 2, characterized in that: the positioning column (32) comprises two semi-cylinders (323) with the same size, and a driving part for driving the semi-cylinders (323) is arranged on the supporting plate (31);
the driving piece comprises a threaded rod (43), the threaded rod (43) is connected to the supporting plate (31) through a fixing seat (41) in a threaded mode, the threaded rod (43) is symmetrically provided with two connecting blocks (42) along the axis of the positioning column (32), the two connecting blocks are arranged on one side, away from the semi-column (323), of the semi-column, and the connecting blocks (42) are connected to the threaded rod (43) in a rotating mode.
8. The anchor rod drawing experimental device according to claim 1, characterized in that: the anchoring mechanism (2) comprises a storage barrel (21) for placing anchoring materials, a fixing piece for fixing the storage barrel (21) is arranged on the side frame (12), and a vibrating piece for supporting the storage barrel (21) is arranged on the base (11);
the vibration piece includes brace table (22), one side that brace table (22) orientation base (11) is equipped with vibrating motor (23) and damping spring (24), the one end of damping spring (24) is fixed in on brace table (22), and the other end is fixed in on base (11).
9. The anchor rod drawing experimental device of claim 8, wherein: the mounting is including setting up bracing piece (25) on side bearer (12), be equipped with holding ring (26) on bracing piece (25), storage cylinder (21) is worn to locate in holding ring (26), bracing piece (25) all are equipped with one fixed block (27), two in holding ring (26) peripheral direction's both sides all wear to be equipped with one adjusting screw (28) on fixed block (27), adjusting screw (28) are close to the one end rotation of storage cylinder (21) and are connected with and support tight board (29), support tight board (29) and lean on one side of advancing storage cylinder (21) and seted up draw-in groove (291), be equipped with on the lateral wall of storage cylinder (21) with draw-in groove (291) matched with fixture block (211).
10. A method of detecting the pullout of a rock bolt according to any one of claims 1 to 9, including the steps of:
s1: the anchoring material is placed in the material storage barrel (21), one end of the anchor rod (7) is inserted into the anchoring material, and the anchor rod (7) penetrates through the clamping mechanism (3);
s2: the anchor rod (7) is clamped through the clamping mechanism (3);
s3: vibrating the anchoring material in the storage barrel (21) through a vibrating piece;
s4: the storage barrel (21) is fixed through a fixing piece;
s5: and starting the lifting mechanism (5) to lift the clamping mechanism (3).
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| CN202011476572.9A CN112683670B (en) | 2020-12-15 | 2020-12-15 | Anchor rod drawing experiment device and detection method thereof |
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| CN113432996A (en) * | 2021-06-22 | 2021-09-24 | 浙江创新工程检测有限公司 | Static load detection equipment for concrete beam |
| CN113533053A (en) * | 2021-09-16 | 2021-10-22 | 南通恒鑫新材料有限公司 | New material tensile strength check out test set |
| CN114509343A (en) * | 2022-04-20 | 2022-05-17 | 杭州泰尚智能装备有限公司 | Device and method for testing drawing force of isolation sleeve shaft |
| CN114527067A (en) * | 2022-02-24 | 2022-05-24 | 山东省建筑工程质量检验检测中心有限公司 | Steel and concrete positive tensile strength detection tool |
| CN114878337A (en) * | 2022-06-01 | 2022-08-09 | 中国矿业大学 | Method and device for testing fracture anchoring rock anchor rod drawing and interface shear resistance characteristics |
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| CN116296753A (en) * | 2023-03-29 | 2023-06-23 | 淮南师范学院 | Anchor rod detection counterforce device |
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| CN114878337B (en) * | 2022-06-01 | 2023-02-28 | 中国矿业大学 | Method and device for testing fracture anchoring rock anchor rod drawing and interface shear resistance characteristics |
| CN115219089A (en) * | 2022-08-19 | 2022-10-21 | 惠州市建设集团工程建设监理有限公司 | Foundation pit monitoring system applied to construction supervision and supervision detection method |
| CN115219089B (en) * | 2022-08-19 | 2023-03-31 | 惠州市建设集团工程建设监理有限公司 | Foundation pit monitoring system applied to construction supervision and detection method |
| CN116296753A (en) * | 2023-03-29 | 2023-06-23 | 淮南师范学院 | Anchor rod detection counterforce device |
| CN116296753B (en) * | 2023-03-29 | 2024-05-31 | 淮南师范学院 | Anchor rod detection counterforce device |
| CN117589608A (en) * | 2024-01-17 | 2024-02-23 | 浙江国检检测技术股份有限公司 | Anchor bolt tension fatigue testing machine |
| CN117589608B (en) * | 2024-01-17 | 2024-04-12 | 浙江国检检测技术股份有限公司 | Anchor bolt tension fatigue testing machine |
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Denomination of invention: An experimental device for anchor rod pulling and its detection method Effective date of registration: 20231204 Granted publication date: 20220405 Pledgee: China Construction Bank Corporation Jiangsu Branch direct sub branch Pledgor: Nanjing Nanfang Construction Engineering Testing Co.,Ltd. Registration number: Y2023980068945 |
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