CN109470551B - Anchoring assembly and comprehensive mechanical property test platform for anchor rod of anchoring assembly - Google Patents
Anchoring assembly and comprehensive mechanical property test platform for anchor rod of anchoring assembly Download PDFInfo
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- CN109470551B CN109470551B CN201811333161.7A CN201811333161A CN109470551B CN 109470551 B CN109470551 B CN 109470551B CN 201811333161 A CN201811333161 A CN 201811333161A CN 109470551 B CN109470551 B CN 109470551B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
Abstract
The invention discloses an anchoring assembly and an anchor rod comprehensive mechanical property test platform thereof, wherein the anchoring assembly comprises a first anchoring half cylinder and a second anchoring half cylinder, wherein one end of the first anchoring half cylinder is provided with a first half flange and an end part sealing plate, and the other end of the first anchoring half cylinder is provided with a second half flange; one end of the second anchoring half cylinder is provided with a first matching half flange and a matching end sealing plate, and the other end of the second anchoring half cylinder is provided with a second matching half flange; the edge of the first anchoring semi-cylinder is provided with a fixed flange, and the edge of the second anchoring semi-cylinder is provided with a matched fixed flange; the fixing flange and the matching fixing flange are arranged in the mounting groove, and the fixing bolt penetrates through the anchoring sliding strip and the fixing flange on one side and is screwed and assembled with the anchoring sliding strip on the other side through threads after being matched with the fixing flange, so that the anchoring sliding strip, the fixing flange and the matching fixing flange are assembled into a whole; the second half flange and the second matching half flange are respectively assembled and fixed with the end sealing plate through bolts, and the end sealing plate seals the other end of the anchoring cavity.
Description
Technical Field
The invention relates to a test device, in particular to an anchoring assembly and an anchor rod comprehensive mechanical property test platform thereof.
Background
The invention discloses a test bed and a test method for testing comprehensive mechanical properties of an anchor rod in a Chinese invention patent with the publication number of CN104075943B, wherein the test bed comprises a propelling and stirring test mechanism, an installation pre-tightening test mechanism, a bending load test mechanism, an axial load test mechanism, a shearing load test mechanism and an impact load test mechanism, wherein the propelling and stirring test mechanism is arranged on an installation test bed; the test bed can simulate the installation and working process of the anchor rod in a test room, and apply single or multiple combined external forces such as torsion, stretching, bending, shearing, impact and the like to the anchor rod; the anchor rod is loaded by mutually independent loading systems, so that independent tests of various loads in the anchor rod installation and working processes can be respectively carried out, and combined loading tests of several kinds of arbitrary working stress such as stretching, shearing and impact caused by installation stress and surrounding rock deformation can also be carried out, thereby effectively testing the comprehensive mechanical property of the anchor rod under the combined action of various external forces.
However, after practical tests, the applicant finds that the test bed can simultaneously test comprehensive mechanical properties of the anchor rod such as torsion, tension, impact, bending and the like, but the rock physical model of the test bed is unchanged. In stock practical application's in-process, the stock is in driving into the roof, can produce the vibration in the tunnel exploitation, the ground mechanical properties that also can lead to stock department changes, if the confined pressure changes, amplitude variation etc., simultaneously, at the exploitation in-process, the pressure that the roof of tunnel received is pressing the change, infiltration in the ground, the mechanical properties that can lead to stock department such as drift sand can lead to the stock department takes place substantial change, especially takes place the great vibration of range, like earthquake, underground blasting etc., it is more huge to the influence of stock department ground. These are not considered in the above patents, and in the actual use process, roadway designers often infer the selection requirements and construction modes of the anchor rod through roadway rock-soil analysis and anchor rod mechanical analysis, but this is performed under ideal conditions, and the mechanical change of the anchor rod in the actual construction and use process is very complex, so the applicant believes that the test of the anchor rod mechanical property should not simply test various force times directly on the anchor rod, but test the comprehensive stress applied to the anchor rod while simulating the rock-soil change during and after the anchor rod construction. The test is closer to reality, and complicated conversion and reasoning are not needed, so that the design efficiency can be accelerated, the test effect has reference, the design defect caused by inaccurate reference data is avoided from the beginning of the design, and the construction safety and the construction back roadway safety are improved.
Disclosure of Invention
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide an anchor assembly and an anchor rod comprehensive mechanical property test platform thereof, which can truly reduce the stress state of the anchor rod after being anchored, thereby providing accurate reference for designers and improving the design efficiency.
In order to achieve the aim, the invention provides an anchoring assembly, which comprises a first anchoring half cylinder and a second anchoring half cylinder, wherein the main body parts of the first anchoring half cylinder and the second anchoring half cylinder jointly form an anchoring cavity, one end of the first anchoring half cylinder is provided with a first half flange and an end part sealing plate, and the other end of the first anchoring half cylinder is provided with a second half flange;
one end of the second anchoring half cylinder is provided with a first matching half flange and a matching end sealing plate, and the other end of the second anchoring half cylinder is provided with a second matching half flange;
the edge of the first anchoring semi-cylinder is provided with a fixed flange and a sealing flange, and the edge of the second anchoring semi-cylinder is provided with a matched fixed flange and a sealing groove;
the end sealing plate and the matching end sealing plate are mutually overlapped and sealed so as to seal one end of the anchoring cavity, the fixing flange is tightly attached to the matching fixing flange, the sealing flange is arranged in the sealing groove to be in sealing fit, the fixing flange and the matching fixing flange are arranged in the mounting groove, the mounting groove is arranged in the anchoring sliding strip, and the fixing bolt penetrates through the anchoring sliding strip on one side, the fixing flange and the matching fixing flange and then is screwed and assembled with the anchoring sliding strip on the other side through threads, so that the anchoring sliding strip, the fixing flange and the matching fixing flange are assembled into a whole;
the second half flange and the second matching half flange are respectively assembled and fixed with the end sealing plate through bolts, the end sealing plate seals the other end of the anchoring cavity, and an end through hole is formed in the end sealing plate.
Preferably, the upper side and the lower side of the anchoring assembly are respectively provided with a force application block, one end surface of the force application block, which is far away from the anchoring assembly, is also fixedly provided with a hinge block part and a shaft body supporting plate part, the hinge block part is respectively hinged and assembled with one end of a first hinge rod and one end of a second hinge rod through different pressure rotating shafts, the other end of the first hinge rod is assembled and fixed with a first pressure connecting rod, and the first pressure connecting rod is assembled and fixed with one end of a pressure application plate of a pressurization mechanism;
the other end of the second hinge rod is fixedly assembled with a second pressure connecting rod, and the second pressure connecting rod is fixedly assembled with one end of the other pressure applying plate;
the utility model discloses a vibration drive shaft, including axis body supporting plate portion, vibration output shaft, vibration drive shaft, cam mounting hole, vibration output shaft, first gear and second gear meshing transmission, the axis body supporting plate portion rotatable assembly of vibration output shaft, vibration output shaft one end and vibration motor's output shaft fixed, and vibration motor can drive vibration output shaft circumferential direction, the vibration output shaft other end and first gear assembly are fixed, first gear and second gear meshing transmission, the second gear is fixed in vibration drive shaft one end, the vibration drive shaft other end pass respectively behind each cam groove with the rotatable assembly of application of force piece, just the cam groove in install the cam, cam and vibration drive shaft assembly fixed, the cam include major axis end and minor axis end and its geometric center department and be provided with the.
Preferably, the two force application blocks are respectively provided with a limiting support part at one side close to the anchoring assembly, an accommodating groove is formed between the two limiting support parts and communicated with the cam groove, and the cam groove penetrates through the force application blocks;
the opening part of cam groove near anchor subassembly be provided with a cooperation pressure section of thick bamboo, the inside cavity of cooperation pressure section of thick bamboo and with the assembly of exerting force axle endwise slip, but the vibration runner is installed to application of force axle top, the vibration runner pass through the rotatable assembly of vibration pivot and application of force axle.
Preferably, the force application shaft is further fixed with a force application ring, the force application ring is attached to the bottom of the matched pressure cylinder, and one end, far away from the vibration rotating wheel, of the force application shaft penetrates through the first anchoring half cylinder or the second anchoring half cylinder of the anchoring assembly and then is assembled and fixed with the force application plate; and a part of the force application shaft, which is positioned between the first anchoring half cylinder or the second anchoring half cylinder and the force application ring, is sleeved with a return spring, and the return spring is used for generating elastic force for moving the force application axial vibration rotating wheel.
Preferably, the holding tank in install the infiltration pipe, the infiltration pipe on be provided with communicating pipe, the inside pipe that communicates respectively with coupling, infiltration branch pipe one end intercommunication, the infiltration branch pipe other end pass and get into the anchor intracavity after half a section of thick bamboo of first anchor or the half section of thick bamboo of second anchor.
Preferably, the application of force board on be provided with the infiltration groove, the infiltration groove in install the infiltration orifice plate, the infiltration orifice plate on be provided with the several through-hole, infiltration branch pipe and infiltration orifice plate paste tightly.
The invention also discloses an anchor rod comprehensive mechanical property test platform which is applied with the anchor component.
Preferably, the anchor driving mechanism comprises an anchor driving base plate, an anchor driving support seat is fixed on the anchor driving base plate, an anchor driving motor seat, an anchor driving slide rail, a first anchor driving vertical plate, a second anchor driving vertical plate and a third anchor driving vertical plate are fixed on the anchor driving support seat, an anchor driving motor is mounted on the anchor driving motor seat, the anchor driving slide rail is respectively assembled with the anchor driving torsion seat and the anchor driving guide seat in a sliding mode, and an output shaft of the anchor driving motor is connected and fixed with one end of the first driving screw;
the other end of the first driving screw penetrates through the first anchoring vertical plate and the second anchoring vertical plate respectively and then is assembled with the anchoring torsion seat in a screwing mode through threads, and then is assembled with the third anchoring vertical plate in a rotating mode;
an anchor driving belt wheel is fixed on the first driving screw, the first anchor driving belt wheel is connected with an auxiliary anchor driving belt wheel through an anchor driving belt and forms a belt transmission structure, the auxiliary anchor driving belt wheel is fixed on the second driving screw, and one end of the second driving screw penetrates through the first anchor driving vertical plate and the second anchor driving vertical plate respectively and then is assembled with the anchor driving torsion seat in a threaded screwing mode, and then is assembled with the third anchor driving vertical plate in a rotatable mode;
an anchor rod torsion barrel is installed in the anchoring torsion seat, the anchor rod torsion barrel is sleeved outside an anchor rod nut, and the anchor rod torsion barrel can drive the anchor rod nut to rotate circumferentially when rotating circumferentially, so that the anchor rod nut rotates towards an anchor rod tray until the anchor rod nut is tightly pressed with the anchor rod tray, and the anchor rod tray is fixed on an anchor rod;
the outer wall of the anchor rod torsion cylinder is provided with worm gear teeth, the worm gear teeth are meshed with a worm to form a worm gear transmission structure, and the worm is fixedly connected with an output shaft of the anchoring torsion motor;
the anchor rod is further fixed with an anchor striking ring, the anchor striking ring is close to one end face of the anchor striking motor and tightly attached to the end face of an anchor striking plate, the anchor striking plate is sleeved on the anchor rod and at least assembled and fixed with one end of an anchor striking telescopic shaft of the two anchor striking oil cylinders, the other end of the anchor striking telescopic shaft penetrates through the second anchor striking vertical plate and then is assembled with the anchor striking oil cylinders, and the anchor striking oil cylinders are installed on the first anchor striking vertical plate.
Preferably, the anchoring mechanism comprises a first anchoring flat plate, a first lifting screw, a second lifting screw, a third lifting screw and a fourth lifting screw, wherein a shearing oil cylinder and a lifting motor are fixed on the first anchoring flat plate, a telescopic shaft of the shearing oil cylinder is fixedly connected with one end of a shearing applying shaft, and the other end of the shearing applying shaft passes through the second anchoring flat plate and the third anchoring flat plate and then is assembled and attached to the force applying block;
the tops of the first lifting screw, the second lifting screw, the third lifting screw and the fourth lifting screw respectively penetrate through the third anchoring flat plate, then are assembled with the lifting plates positioned on the upper side and the lower side of the anchoring assembly in a screwing mode through threads, and finally are assembled with the fourth anchoring flat plate in a rotating mode; the lifting plate is fixed on the force application block;
an output shaft of the lifting motor is fixedly connected with the bottom of the first lifting screw, a third belt wheel is fixed on the first lifting screw, the third belt wheel is connected with a third auxiliary belt wheel through a third lifting belt and forms a belt transmission structure, the third auxiliary belt wheel is fixed at the bottom of a fourth lifting screw, a first auxiliary belt wheel and a second auxiliary belt wheel are further mounted on the fourth lifting screw, and the first auxiliary belt wheel and the second auxiliary belt wheel are respectively connected with the first belt wheel and the second auxiliary belt wheel through the first lifting belt and the second lifting belt and form a belt transmission structure; the first belt wheel and the second auxiliary belt wheel are respectively arranged at the bottoms of the second lifting screw and the third lifting screw;
the first anchoring flat plate and the fourth anchoring flat plate are connected and fixed through an end vertical plate, an oil cylinder partition plate is fixed on the end vertical plate, a limiting anchoring cylinder is fixed on the end vertical plate, a limiting anchoring inner cylinder is arranged in the limiting anchoring cylinder, the limiting anchoring inner cylinder is assembled with an anchoring limiting column, the anchoring limiting column is fixed on an axial force application plate, and the axial force application plate is tightly attached to one end, close to the anchoring mechanism, of the anchoring rod limiting ring;
the limiting anchoring cylinder and the anchoring limiting column are respectively provided with a through hole for the anchor rod to pass through, an axial pressing oil cylinder is fixed on the end vertical plate, and an axial telescopic shaft of the axial pressing oil cylinder passes through the oil cylinder partition plate and then is assembled and fixed with the axial force application plate.
Preferably, shaft end abdicating assemblies are further mounted at the assembly positions of the first lifting screw, the second lifting screw, the third lifting screw and the fourth lifting screw and the lifting plate respectively;
the shaft end abdicating component comprises a square hole arranged on the lifting plate, wherein the square hole and the abdicating connecting cylinder can be axially assembled in a sliding manner, the abdicating connecting cylinder penetrates through two ends of the square hole and is respectively assembled and fixed with the first limiting plate and the second limiting plate, and an abdicating spring is sleeved on the abdicating connecting cylinder between the first limiting plate and the lifting plate;
the inner side of the abdicating connecting cylinder is provided with a screw thread which is respectively assembled with the first lifting screw rod in a screwing way through a screw thread.
The invention has the beneficial effects that:
1. the invention can truly reduce the geology and stress state of the anchor rod when in use, thereby leading an operator to obtain the real condition of the anchor rod in a rock-soil layer during construction, leading the design requirement and the construction requirement of the anchor rod to be more appropriate, and greatly reducing the safety risk after construction. And the invention can make students more intuitively experience the real using environment of the anchor rod when being used in teaching, thereby increasing the understanding and teaching quality of the students.
2. The invention can realize the instant pressurization of the anchoring body by the matching of the pressurization mechanism and the shaft end abdicating component, thereby truly reducing the scene that the roof of the roadway is subjected to instant impact force, facilitating the consideration of extreme conditions by designers and improving the safety of the roadway.
3. The invention adopts a direct simulation mode, so that comprehensive calculation is not needed after single test on the anchor rod, and the design efficiency can be greatly increased.
4. The invention can realize various working conditions of vibration, compression, water seepage and the like of the anchoring body through the anchoring component, and compared with the prior art, the invention aims to truly restore the actual construction and use states of the anchor rod, thereby providing more reliable test data.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the anchoring mechanism of the invention.
Fig. 4 is a schematic structural diagram of the anchoring mechanism of the invention.
Fig. 5 is a schematic structural view of the anchoring mechanism of the invention.
Fig. 6 is a schematic view of the anchoring mechanism of the present invention.
Fig. 7 is a schematic view of the anchoring mechanism of the present invention.
Fig. 8 is a schematic view of the anchoring mechanism of the present invention.
Fig. 9 is a schematic view of the anchoring mechanism of the present invention.
Fig. 10 is a schematic view of the anchoring mechanism of the present invention.
Fig. 11 is a schematic view of the fulcrum assembly of the present invention.
Fig. 12 is a schematic view of the fulcrum assembly of the present invention.
Fig. 13 is a schematic view of the fulcrum assembly of the present invention.
Fig. 14 is a schematic view of the anchoring mechanism of the present invention.
Fig. 15 is a schematic view of the structure of the anchor limiting plate of the invention.
Fig. 16 is a schematic view of the anchoring mechanism of the present invention.
Fig. 17 is a schematic view of a shaft end abdicating assembly structure of the invention.
FIG. 18 is a schematic view of the anchor assembly of the present invention.
FIG. 19 is a schematic view of the anchor assembly of the present invention.
FIG. 20 is a schematic view of the force application block of the present invention.
FIG. 21 is a schematic view of the anchor assembly of the present invention.
Fig. 22 is an enlarged view of F1 in fig. 21.
Fig. 23 is a schematic view of the cam structure of the present invention.
FIG. 24 is a schematic view of the anchor assembly of the present invention.
Fig. 25 is a schematic view of the construction of the force application plate of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 25, the anchor rod comprehensive mechanical property test platform of the embodiment includes an anchor anchoring mechanism a and an anchor anchoring mechanism B, where the anchor anchoring mechanism a includes an anchor anchoring base plate a110, an anchor anchoring support seat a120 is fixed on the anchor anchoring base plate a110, an anchor anchoring motor seat a130, an anchor anchoring slide rail a140, a first anchor anchoring plate a211, a second anchor anchoring plate a212, and a third anchor anchoring plate a213 are fixed on the anchor anchoring support seat a120, an anchor anchoring motor a310 is installed on the anchor anchoring motor seat a130, the anchor anchoring slide rail a140 is slidably assembled with an anchor anchoring torsion seat a215 and an anchor anchoring guide seat a216, an output shaft of the anchor anchoring motor a310 is connected and fixed to one end of a first driving screw a311, and the anchor anchoring motor a310 can drive the first driving screw a311 to rotate circumferentially;
the other end of the first driving screw A311 penetrates through the first anchoring vertical plate A211 and the second anchoring vertical plate A212 respectively, then is assembled with the anchoring torsion seat A215 in a screwing manner through threads, and then is rotatably assembled with the third anchoring vertical plate A213;
an anchoring belt wheel A411 is fixed on the first driving screw A311, the first anchoring belt wheel A411 is connected with an auxiliary anchoring belt wheel A412 through an anchoring belt A410 to form a belt transmission structure, the auxiliary anchoring belt wheel A412 is fixed on the second driving screw A312, one end of the second driving screw A312 penetrates through the first anchoring vertical plate A211 and the second anchoring vertical plate A212 respectively and then is assembled with an anchoring torsion seat A215 in a screwing mode through threads, and then is assembled with a third anchoring vertical plate A213 in a rotating mode;
when in use, the anchoring motor a310 drives the first driving screw a311 and the second driving screw a312 to rotate circumferentially, so that the first driving screw a311 and the second driving screw a312 drive the anchoring torsion seat a215 to move axially;
an anchoring guide seat A216 is arranged beside the anchoring torsion seat A215, an anchoring guide cylinder A220 is arranged on the anchoring guide seat A216, and when the device is used, the anchoring rod 100 penetrates through the inside of the anchoring guide cylinder A220, so that a guide function is provided for the anchoring rod.
An anchor rod torsion tube A230 is installed in the anchoring torsion seat A215, the anchor rod torsion tube A230 is sleeved outside the anchor rod nut 130, and the anchor rod torsion tube A230 can drive the anchor rod nut 130 to rotate circumferentially when rotating circumferentially, so that the anchor rod nut 130 rotates towards the anchor rod tray 120 until the anchor rod nut is pressed against the anchor rod tray 120, and the anchor rod tray 120 is fixed on the anchor rod 100;
the outer wall of the anchor rod torsion cylinder A230 is provided with worm gear teeth, the worm gear teeth are meshed with a worm A321 to form a worm gear transmission structure, the worm A321 is fixedly connected with an output shaft of an anchoring torsion motor A320, and the anchoring torsion motor A320 can drive the worm A321 to rotate circumferentially so as to drive the anchor rod torsion cylinder A230 to rotate circumferentially; thereby driving the anchor rod nut 130 to move axially until the circumferential torque is applied to the anchor rod after the anchor rod nut is tightly pressed against the anchor rod tray 120; at this time, the applied torque may be converted by the power consumption of the anchor driving torsion motor a320, or the first torque sensor a350 may be fitted to the anchor 100, so that the torque applied to the anchor by the anchor driving torsion motor a320 and the amount of torsion deformation of the anchor in the circumferential direction may be detected by the first torque sensor a 350.
The anchor rod 100 is further fixed with an anchor striking ring 110, one end face of the anchor striking ring 110 close to an anchor striking motor A310 is tightly attached to the end face of an anchor striking plate A214, the anchor striking plate A214 is sleeved on the anchor rod 100 and is at least assembled and fixed with one ends of anchor striking telescopic shafts A331 of two anchor striking oil cylinders A330, and the other end of the anchor striking telescopic shaft A331 penetrates through a second anchor striking vertical plate A212 and then is assembled with the anchor striking oil cylinder A330, so that the anchor striking oil cylinder A330 can drive the anchor striking telescopic shaft A331 to move in the axial direction of the anchor striking telescopic shaft A331, and the anchor striking oil cylinder A330 is installed on a first anchor striking vertical plate A211;
when the simulation device is used, the anchoring oil cylinder A330 applies axial moving thrust to the anchor rod, and then the anchoring torsion motor A320 applies circumferential rotating force to the anchor rod 100, so that the real anchoring condition of the anchor rod is simulated.
The anchoring mechanism B comprises a first anchoring flat plate B210, a shearing oil cylinder B330 and a lifting motor B340 are fixed on the first anchoring flat plate B210, a telescopic shaft of the shearing oil cylinder B330 is fixedly connected with one end of a shearing applying shaft B331, the other end of the shearing applying shaft B331 penetrates through a second anchoring flat plate B220 and a third anchoring flat plate B230 and then is assembled and attached to a force application block B260, so that the shearing oil cylinder B330 can drive the shearing applying shaft B331 to move in the axial direction of the shearing applying shaft B331, and upward jacking pressure is applied to the force application block B260 by driving the shearing applying shaft B331;
preferably, there are two shearing cylinders B330, and the two shearing applying shafts B331 are respectively attached to two ends of the bottom of the force applying block B260. This design allows the force block B260 to be evenly stressed and prevented from skewing.
An output shaft of the lifting motor B340 is fixedly connected with the bottom of the first lifting screw B421, the lifting motor B340 can drive the first lifting screw B421 to rotate circumferentially, a third belt wheel B631 is fixed on the first lifting screw B421, the third belt wheel B631 is connected with a third secondary belt wheel B632 through a third lifting belt B630 to form a belt transmission structure, the third secondary belt wheel B632 is fixed at the bottom of the fourth lifting screw B424, the fourth lifting screw B424 is further provided with a first secondary belt wheel B612 and a second secondary belt wheel B622, and the first secondary belt wheel B612 and the second secondary belt wheel B622 are respectively connected with the first belt wheel B611 and the second belt wheel B621 through a first lifting belt B610 and a second lifting belt B620 to form a belt transmission structure; the first belt wheel B611 and the second belt wheel B621 are respectively arranged at the bottoms of the second lifting screw B422 and the third lifting screw B423;
the tops of the first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 respectively penetrate through the third anchoring flat plate B230 and then are assembled with the lifting plates B261 on the upper side and the lower side of the anchoring component C in a screwing way through threads, and finally are assembled with the fourth anchoring flat plate B240 in a rotating way; and the screw thread turning directions of the first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 and the lifting plates B261 which are positioned at the upper side and the lower side of the anchoring component C are opposite, so that when the first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 are rotated, the lifting plates B261 which are positioned at the upper side and the lower side of the anchoring component C are far away from each other or move close to each other. The first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 are interchangeable, and the structure is the same.
The lifting plate B261 is fixed on the force application block B260, the force application block B260 is provided with two blocks which are respectively arranged at the upper side and the lower side of the anchoring component C, one side of the force application block B260, which is close to the anchoring component C, is provided with a limiting support part B266, an accommodating groove B265 is formed between the two limiting support parts B266, the accommodating groove B265 is communicated with the cam groove B263, and the cam groove B263 penetrates through the force application block B260;
an end face, away from the anchoring assembly C, of the force application block B260 is further fixed with a hinge block part B264 and a shaft body support plate part B262, the hinge block part B264 is respectively in hinge assembly with one ends of a first hinge rod D211 and a second hinge rod D221 through different pressure rotating shafts B540, the other end of the first hinge rod D211 is fixedly assembled with a first pressure connecting rod D210, and the first pressure connecting rod D210 is fixedly assembled with one end of a pressure application plate D110;
the other end of the second hinge rod D221 is fixedly assembled with a second pressure connecting rod D220, and the second pressure connecting rod D220 is fixedly assembled with one end of another pressure applying plate D110;
the other end of the pressure applying plate D110 is provided with a fulcrum assembly D, the fulcrum assembly D comprises a fulcrum supporting plate D120 fixed on the pressure applying plate D110, the fulcrum supporting plate D120 is provided with a yielding chute D121, the yielding chute D121 and a limiting slide bar D131 are assembled in a sliding manner (in the vertical direction), one end of the limiting slide bar D131 is fixedly connected with a telescopic supporting plate D130, and the other end of the limiting slide bar D131 penetrates through the yielding chute D121 and then is fixedly assembled with a backstop plate D170, so that the limiting slide bar D131 is prevented from falling out of the yielding chute D121;
the limiting slide bar D131 penetrates through one end of the backstop plate D170 to be fixedly connected with one end of a first fulcrum spring D410, the other end of the first fulcrum spring D410 is fixedly connected with a pressure applying plate D110, and the first fulcrum spring D410 is used for generating upward thrust to the limiting slide bar D131, so that the limiting slide bar D131 is always positioned at the top of the abdicating chute D121;
the telescopic support plate D130 is respectively assembled and fixed with a first fulcrum support plate D140 and a second fulcrum support plate D150, a fulcrum switching electromagnet D310 is installed between the first fulcrum support plate D140 and the second fulcrum support plate D150, the fulcrum switching electromagnet D310 is assembled with one end of a fulcrum switching telescopic shaft D311, and the fulcrum switching electromagnet D310 can drive the fulcrum switching telescopic shaft D311 to move in the axial direction of the fulcrum switching telescopic shaft D311;
the other end of the fulcrum switching telescopic shaft D311 penetrates through the second fulcrum support plate D150 and then is assembled and fixed with the fulcrum block D160, a second fulcrum spring D420 is arranged between the fulcrum block D160 and the second fulcrum support plate D150, the second fulcrum spring D420 is a tension spring and is sleeved on the fulcrum switching telescopic shaft D311, a fulcrum guide shaft D320 is further fixed on the second fulcrum support plate D150, the fulcrum guide shaft D320 penetrates through the fulcrum block D160, and the fulcrum block D160 can move axially on the fulcrum guide shaft D320;
in the initial state, the second fulcrum spring D420 pulls the fulcrum block D160 out between the fourth anchor flat plate B240 and the pressure-applying plate D110.
When the pressure applying plate D110 is used, the fulcrum block D160 serves as a fulcrum to form a lever, at this time, the fulcrum switching telescopic shaft D311 slides in the yielding chute D121 (in the horizontal direction and the vertical direction) to counteract the displacement problem caused by the rotation of the pressure applying plate D110, and the pressure applying plate D110 rotates around the fulcrum block D160, so that the fulcrum switching telescopic shaft D311 vertically slides in the yielding chute D121 to provide a vertical yielding space for the pressure applying plate D110, and slides in the horizontal direction to counteract the horizontal displacement generated by the pressure applying plate D110. Of course, since these displacements are small, the dimensions of the abdicating chute D121 and the fulcrum switching telescopic shaft D311 are not large, and the use of the pressure applying plate D110 is not affected.
When the pressure applying plate D110 is required to apply pressure to the force applying block, the fulcrum switching electromagnet D310 is powered to push out the fulcrum switching telescopic shaft D311, so that the fulcrum block D160 overcomes the elastic force of the second fulcrum spring D420 to enter between the fourth anchoring flat plate B240 and the pressure applying plate D110, and then upward thrust is applied to one end, far away from the anchoring assembly C, of the pressure applying plate D110, so that the force applying block can obtain downward pressure on the anchoring assembly.
Preferably, a fulcrum wheel D340 is mounted on one end of the fulcrum block D160 close to the pressure applying plate D110, the fulcrum wheel D340 is rotatably assembled with the fulcrum block D160 through a fulcrum rotating shaft D330, and the fulcrum wheel D340 abuts against the pressure applying plate D110, which is designed to mainly reduce the friction between the fulcrum block D160 and the pressure applying plate D110. In use, the pressure application plate D110 forms a lever via the fulcrum wheel D340, thereby amplifying the pressure applied to the force application block B260.
The bottom of one end, close to the upper first fulcrum spring D410, of the pressure application plate D110 is fixedly provided with a matched force application cylinder D101, the matched force application cylinder D101 is hollow and assembled with an open end of a force application telescopic shaft B311, the other end of the force application telescopic shaft B311 is installed in a force application oil cylinder B310, the force application oil cylinder B310 is a double-shaft oil cylinder, the two ends of the force application telescopic shaft B311 are respectively provided with the force application telescopic shaft B311, and the force application telescopic shafts B311 at the two ends can be respectively assembled with the matched force application cylinder D101, close to the force application telescopic shaft B311, in;
the force application oil cylinder B310 is fixed on the oil cylinder supporting block B130, two ends of the oil cylinder supporting block B130 are respectively assembled and fixed with the anchoring vertical plate B110 and the anchoring guide plate B120, and the anchoring vertical plate B110 is respectively assembled and fixed with the first anchoring flat plate B210, the second anchoring flat plate B220, the third anchoring flat plate B230 and the fourth anchoring flat plate B240; a vertical plate through groove B111 is formed between the two anchoring vertical plates.
Two anchoring guide plates B120 are fixed on the first anchoring flat plates B210, two parallel anchoring sliding groove plates B121 are fixed on the end surfaces of the two first anchoring flat plates B210 on the opposite sides, an anchoring sliding groove B122 is formed between the two anchoring sliding groove plates B121, and the anchoring sliding groove B122 and an anchoring sliding strip C110 of the anchoring assembly C can be assembled in a sliding mode (in the length direction);
the shaft body supporting plate part B262 is rotatably assembled with the vibration output shaft B321, one end of the vibration output shaft B321 is fixedly connected with an output shaft of the vibration motor B320, the vibration motor B320 can drive the vibration output shaft B321 to rotate in the circumferential direction, the other end of the vibration output shaft B321 is fixedly assembled with the first gear B411, the first gear B411 is in meshing transmission with the second gear B412, the second gear B412 is fixed at one end of the vibration drive shaft B410, the other end of the vibration drive shaft B410 penetrates through each cam groove B263 and then is rotatably assembled with the force application block B260, a cam B510 is installed in each cam groove B263, the cam B510 is fixedly assembled with the vibration drive shaft B410, the cam B510 comprises a long shaft end B511 and a short shaft end B512, a cam installation hole B513 is formed in the geometric center of the cam installation hole B513, and the vibration drive shaft B410 are fixedly assembled. When the vibration driving shaft B410 rotates circumferentially, the cam B510 can be driven to rotate circumferentially.
A matching pressure cylinder B267 is arranged at the opening of the cam groove B263 close to the anchoring component C, the matching pressure cylinder B267 is hollow inside and can be axially assembled with a force application shaft C610 in a sliding manner, a vibration rotating wheel C630 is installed at the top of the force application shaft C610, the vibration rotating wheel C630 is rotatably assembled with the force application shaft C610 through a vibration rotating shaft C640, and the vibration rotating wheel C630 can be pressed with a long shaft end B511 of the cam B510 in a contact manner;
a force application ring C611 is further fixed on the force application shaft C610, the force application ring C611 is attached to the bottom of the matching pressure cylinder B267, and one end of the force application shaft C610, which is far away from the vibration rotating wheel C630, penetrates through the first anchoring half cylinder C210 or the second anchoring half cylinder C220 of the anchoring assembly C and then is assembled and fixed with the force application plate C240; a return spring C620 is sleeved on the part of the force application shaft C610, which is positioned between the first anchoring half cylinder C210 or the second anchoring half cylinder C220 and the force application ring C611, and the return spring C620 is used for generating elastic force for moving the force application shaft C610 to the vibration rotating wheel C630, so that the outer wall of the force application plate C240 is tightly attached to the inner wall of the first anchoring half cylinder C210 or the second anchoring half cylinder C220;
in the initial state, a gap is reserved between the limiting support part B266 and the outer wall of the first anchoring half-cylinder C210 or the second anchoring half-cylinder C220, and the gap is at least 1-2 cm. The design is used for applying pressure to the force application shaft for the force application block on one hand and preventing the force application shaft from excessively entering the first anchoring half cylinder C210 or the second anchoring half cylinder C220 to influence the test result on the other hand;
holding tank B265 in install infiltration pipe C300, infiltration pipe C300 on be provided with communicating pipe C320, communicating pipe C320 inside respectively with coupling C310, infiltration branch pipe C330 one end intercommunication, infiltration branch pipe C330 other end get into in the anchor chamber C201 after passing first half a section of thick bamboo C210 of anchor or the half a section of thick bamboo C220 of second anchor. When the water seepage simulation device is used, high-pressure water flow is connected into the pipe joint C310 and then enters the water seepage branch pipe C330 through the communicating pipe C320 to seep into the anchoring cavity C201, so that water seepage of a roadway top plate is simulated.
Preferably, the application of force board C240 on be provided with infiltration groove C241, infiltration groove C241 in install infiltration orifice plate C250, infiltration orifice plate C250 on be provided with the several through-hole, infiltration branch pipe C330 with infiltration orifice plate C250 paste tightly to prevent that the anchor in the anchor chamber C201 from getting into in the infiltration branch pipe C330 and causing its jam.
Preferably, the first anchoring flat plate B210 and the fourth anchoring flat plate B240 are further connected and fixed through an end vertical plate B160, an oil cylinder partition B150 is fixed on the end vertical plate B160, a limit anchoring cylinder B161 is fixed on the end vertical plate B160, a limit anchoring inner cylinder B162 is arranged in the limit anchoring cylinder B161, the limit anchoring inner cylinder B162 is assembled with an anchoring limit column B141, the anchoring limit column B141 is fixed on the axial force application plate B140, and the axial force application plate B140 is tightly attached to one end of the anchor rod limiting ring 140 close to the anchoring mechanism;
the limiting anchoring cylinder B161 and the anchoring limiting column B141 are both provided with through holes for the anchor rod to pass through, an axial pressing oil cylinder B350 is fixed on the end vertical plate B160, and an axial telescopic shaft of the axial pressing oil cylinder B350 passes through the oil cylinder partition plate B150 and then is assembled and fixed with the axial force application plate B140. When the axial pulling-out force-applying plate is used, the axial telescopic shaft can be driven to axially move through the oil cylinder partition plate B150, so that the axial force-applying plate B140 is driven to axially move to apply axial pulling-out force to the anchor rod.
The anchoring assembly C comprises a first anchoring half cylinder C210 and a second anchoring half cylinder C220, main body parts of the first anchoring half cylinder C210 and the second anchoring half cylinder C220 jointly form an anchoring cavity C201, one end of the first anchoring half cylinder C210 is provided with a first half flange C211 and an end closing plate C214, and the other end of the first anchoring half cylinder C210 is provided with a second half flange C212;
one end of the second anchoring half cylinder C220 is provided with a first matching half flange C221 and a matching end closing plate C224, and the other end is provided with a second matching half flange C222;
the edge of the first anchoring half cylinder C210 is provided with a fixing flange C213 and a sealing flange C215, and the edge of the second anchoring half cylinder C220 is provided with a matching fixing flange C223 and a sealing groove C225;
the end closing plates C214 and the matching end closing plates C224 are overlapped and sealed with each other to close one end of the anchoring cavity C201, the fixing flange C213 and the matching fixing flange C223 are tightly attached, the sealing flange C215 is arranged in the sealing groove C225 in a sealing matching mode, the fixing flange C213 and the matching fixing flange C223 are arranged in the mounting groove C111, the mounting groove C111 is arranged in the anchoring slide bar C110, and the fixing bolt C120 penetrates through the anchoring slide bar C110 and the fixing flange C213 on one side and the matching fixing flange C223 to be screwed and assembled with the anchoring slide bar C110 on the other side through threads, so that the anchoring slide bar C110, the fixing flange C213 and the matching fixing flange C223 are assembled into a whole;
the second half flange C212 and the second mating half flange C222 are respectively assembled and fixed with the end sealing plate C230 through bolts, the end sealing plate C230 closes the other end of the anchoring cavity C201, and an end through hole C231 is formed in the end sealing plate C230.
When the anchor assembly is used, the anchor assembly C is taken out, the end sealing plate C230 is opened, rock soil of a construction site is collected and filled into the anchor cavity, and then the density and hardness of the rock soil are compressed to the construction site to form an anchor body;
then the end sealing plate C230 is installed; then the anchoring slide bar C110 is arranged in the anchoring chute B122, then the anchoring assembly is pushed to enter between the two force application blocks B260 until the end sealing plate C230 is tightly attached to the end vertical plate B160, then the lifting motor B340 is started to drive the first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 to rotate, so that the two force application blocks B260 move towards the anchoring assembly C until the matching pressure cylinder B267 is tightly attached to the force application ring C611, and then the lifting motor B340 stops running;
one end of an anchor rod 100 penetrates through an anchor rod guide cylinder A220, a third anchoring plate A213, a limiting anchoring cylinder B161, an anchoring limiting column B141, a second torque sensor B710 and an end through hole C231 respectively, one end of the anchor rod 100, which is provided with an anchor rod nut 120, is installed in an anchor rod torque cylinder A230, an anchoring ring 110 is installed at the end of the anchor rod, the end of the anchor rod penetrates through an anchoring plate A214, a magnet A342 is fixed at one end of the anchoring plate A214 and the second anchoring plate A212, a Hall sensor A341 is arranged at the position, corresponding to the magnet A342, of the first anchoring plate A211, and the Hall sensor calculates the distance from the magnet A342 to the Hall sensor A341 by detecting the magnetic field intensity of the magnet A342, so that the axial movement displacement of the anchor rod is judged;
starting the anchoring oil cylinder A330, enabling the anchoring oil cylinder A330 to drive the anchor rod to axially move towards the anchoring assembly, and starting the anchoring torsion motor A320 to enable the anchor rod torsion cylinder A230 to apply torsion to the anchor rod 100, enabling the anchor rod 100 to anchor into an anchoring body, and simultaneously grouting, wherein the grout is common anchor rod grouting liquid such as phenolic resin; after the anchor rod is driven into the anchoring body, waiting for grouting solidification; and then an electronic strain gauge is attached to one end of the anchor rod, which is close to the second torque sensor B710, and the electronic strain gauge is in communication connection with reading equipment, so that the test can be carried out.
During testing, the axial pressing oil cylinder B350 is started to apply axial force to the anchor rod, and the shearing oil cylinder B330 is started to apply upward jacking shearing force to the anchoring assembly, so that shearing force is applied to the anchor rod; starting an anchoring torsion motor A320 to apply torsion to an anchor rod, starting a vibration motor B320 to enable a cam to rotate to apply intermittent pressure to a force application shaft C610, so that a force application plate applies vibration force to an anchoring body, and vibration of a roadway roof in the processes of earthquake, blasting, mining and the like is simulated; connecting a high-pressure water flow to the pipe joint to simulate water seepage to the anchoring body; the method can basically simulate the real scene of the anchor rod after construction, then the torsion of the anchor rod is detected through the first torque sensor A350 and the second torque sensor B710 respectively, the axial elongation distance and the circumferential torsion deformation of the anchor rod are detected through the electronic strain gauge, and meanwhile, the error compensation is carried out through the distance between the magnet and the Hall sensor. If the situation of instantaneous pressure increase at the top of the roadway needs to be simulated, the fulcrum switching electromagnet D310 can be started, so that the fulcrum switching electromagnet D310 drives the fulcrum block D160 to enter the fourth anchoring flat plate B240 and the pressure applying plate D110, or between the pressure applying plate D110 and the third anchoring flat plate B230, then the force application oil cylinder B310 is started, so that the pressure applying plates D110 on the two sides of the fulcrum switching electromagnet D110 are stressed upwards, the fulcrum switching electromagnet is amplified by the pressure applying plate D110 and then applied to the force application block, and then the force application block is applied to the force application plate, so that the situation of sudden increase of confining pressure of the anchoring body is realized. In the whole process, the applied shearing force and the axial pull-out force are calculated by the oil pressure of the shearing oil cylinder B330 and the pressing oil cylinder B350.
Of course, the specific detection method, test method, and mounting method and test method of various sensors can be directly adopted as in the patent publication No. CN 104075943B. The anchor driving mechanism a in the present application can directly adopt the installation test bench in the patent with the publication number CN104075943B, that is, the working test bench in the patent with the publication number CN104075943B can be directly replaced by the anchor driving mechanism B in the present application, and the installation, selection and installation test benches of other sensors can all adopt corresponding devices in the patent with the publication number CN 104075943B.
Further, in the test, two urging blocks need to be moved axially upward in the first elevating screw B421 toward the anchor assembly C, but if the elevating plate B261 is directly screwed with the first elevating screw B421, the second elevating screw B422, the third elevating screw B423, and the fourth elevating screw B424, the urging blocks cannot be moved directly, so the applicant has made the following improvements:
shaft end abdicating components are arranged at the assembly positions of the first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 and the lifting plate B261 respectively, referring to FIG. 17, taking the shaft end abdicating component at the position of the first lifting screw B421 as an example, the shaft end abdicating component comprises a square hole B2611 arranged on the lifting plate B261, the square hole B2611 and an abdicating connecting cylinder B520 can be axially and slidably assembled, the abdicating connecting cylinder B520 penetrates through the two ends of the square hole B2611 and is fixedly assembled with a first limiting plate B521 and a second limiting plate B522 respectively, and an abdicating spring B530 is sleeved on the abdicating connecting cylinder B520 between the first limiting plate B521 and the lifting plate B261;
the inner side of the yielding connecting cylinder B520 is provided with a first lifting screw B421 which is screwed with the first lifting screw B421 through threads, the design enables the first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 to rotate, the shaft end yielding component is driven to drive the lifting plate B261 to move, and when the lifting plate B261 is pressed, the yielding connecting cylinder B520 can move in the axial direction, so that the pressing of the force application block B260 on the force application shaft is not affected. The displacement of the lifting plate B261 which can move in the axial direction of the abdicating connecting cylinder B520 is larger than the gap width, and the design is to prevent the assembling positions of the abdicating connecting cylinder B520 and the first lifting screw B421, the second lifting screw B422, the third lifting screw B423 and the fourth lifting screw B424 from being damaged due to pressure. After the lifting plate B261 and the abdicating connecting cylinder B520 move, the lifting plate B261 can be reset through the abdicating spring B530. Although this design causes a certain error, the elastic coefficient and the maximum deformation of the abdicating spring B530 and the maximum displacement of the lifting plate B261 and the abdicating connecting cylinder B520 may be included in the error calculation to eliminate the error.
The invention is not described in detail, but is well known to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. An anchor assembly characterized by: the anchoring device comprises a first anchoring half cylinder and a second anchoring half cylinder, wherein the main body parts of the first anchoring half cylinder and the second anchoring half cylinder jointly form an anchoring cavity, one end of the first anchoring half cylinder is provided with a first half flange and an end part sealing plate, and the other end of the first anchoring half cylinder is provided with a second half flange;
one end of the second anchoring half cylinder is provided with a first matching half flange and a matching end sealing plate, and the other end of the second anchoring half cylinder is provided with a second matching half flange;
the edge of the first anchoring semi-cylinder is provided with a fixed flange and a sealing flange, and the edge of the second anchoring semi-cylinder is provided with a matched fixed flange and a sealing groove;
the end sealing plate and the matching end sealing plate are mutually overlapped and sealed so as to seal one end of the anchoring cavity, the fixing flange is tightly attached to the matching fixing flange, the sealing flange is arranged in the sealing groove to be in sealing fit, the fixing flange and the matching fixing flange are arranged in the mounting groove, the mounting groove is arranged in the anchoring sliding strip, and the fixing bolt penetrates through the anchoring sliding strip on one side, the fixing flange and the matching fixing flange and then is screwed and assembled with the anchoring sliding strip on the other side through threads, so that the anchoring sliding strip, the fixing flange and the matching fixing flange are assembled into a whole;
the second half flange and the second matching half flange are respectively assembled and fixed with the end sealing plate through bolts, the end sealing plate seals the other end of the anchoring cavity, and an end through hole is formed in the end sealing plate.
2. The anchor assembly of claim 1 wherein: force application blocks are respectively arranged on the upper side and the lower side of the anchoring assembly, a hinge block part and a shaft body supporting plate part are further fixed on one end face, away from the anchoring assembly, of each force application block, the hinge block parts are respectively hinged and assembled with one ends of a first hinge rod and a second hinge rod through different pressure rotating shafts, the other end of the first hinge rod is fixedly assembled with a first pressure connecting rod, and the first pressure connecting rod is fixedly assembled with one end of a pressure application plate of a pressure boosting mechanism;
the other end of the second hinge rod is fixedly assembled with a second pressure connecting rod, and the second pressure connecting rod is fixedly assembled with one end of the other pressure applying plate;
the utility model discloses a vibration drive shaft, including axis body supporting plate portion, vibration output shaft, vibration drive shaft, cam mounting hole, vibration output shaft, first gear and second gear meshing transmission, the axis body supporting plate portion rotatable assembly of vibration output shaft, vibration output shaft one end and vibration motor's output shaft fixed, and vibration motor can drive vibration output shaft circumferential direction, the vibration output shaft other end and first gear assembly are fixed, first gear and second gear meshing transmission, the second gear is fixed in vibration drive shaft one end, the vibration drive shaft other end pass respectively behind each cam groove with the rotatable assembly of application of force piece, just the cam groove in install the cam, cam and vibration drive shaft assembly fixed, the cam include major axis end and minor axis end and its geometric center department and be provided with the.
3. The anchor assembly of claim 2 wherein: the two force application blocks are respectively provided with a limiting support part at one side close to the anchoring assembly, a containing groove is formed between the two limiting support parts and is communicated with the cam groove, and the cam groove penetrates through the force application blocks;
the opening part of cam groove near anchor subassembly be provided with a cooperation pressure section of thick bamboo, the inside cavity of cooperation pressure section of thick bamboo and with the assembly of exerting force axle endwise slip, but the vibration runner is installed to application of force axle top, the vibration runner pass through the rotatable assembly of vibration pivot and application of force axle.
4. The anchor assembly of claim 3 wherein: the force application shaft is also fixedly provided with a force application ring, the force application ring is tightly attached to the bottom of the matched pressure cylinder, and one end of the force application shaft, which is far away from the vibration rotating wheel, penetrates through the first anchoring half cylinder or the second anchoring half cylinder of the anchoring assembly and then is assembled and fixed with the force application plate; and a part of the force application shaft, which is positioned between the first anchoring half cylinder or the second anchoring half cylinder and the force application ring, is sleeved with a return spring, and the return spring is used for generating elastic force for moving the force application axial vibration rotating wheel.
5. The anchor assembly of claim 4 wherein: the holding tank in install the infiltration pipe, the infiltration pipe on be provided with communicating pipe, the inside respectively with the coupling, infiltration branch pipe one end intercommunication, the infiltration branch pipe other end pass and get into the anchor intracavity behind the half first anchor or the half second anchor.
6. The anchor assembly of claim 5 wherein: the application of force board on be provided with the infiltration groove, the infiltration groove in install the infiltration orifice plate, the infiltration orifice plate on be provided with the several through-hole, infiltration branch pipe and infiltration orifice plate paste tightly.
7. The utility model provides an anchor rod comprehensive mechanical properties test platform which characterized by: use of an anchoring assembly according to any one of claims 1 to 6.
8. The anchor rod comprehensive mechanical property test platform of claim 7, characterized in that: the anchor driving mechanism comprises an anchor driving base plate, an anchor driving support seat is fixed on the anchor driving base plate, an anchor driving motor seat, an anchor driving slide rail, a first anchor driving vertical plate, a second anchor driving vertical plate and a third anchor driving vertical plate are fixed on the anchor driving support seat, an anchor driving motor is installed on the anchor driving motor seat, the anchor driving slide rail is respectively assembled with an anchor driving torsion seat and an anchor driving guide seat in a sliding mode, and an output shaft of the anchor driving motor is connected and fixed with one end of a first driving screw;
the other end of the first driving screw penetrates through the first anchoring vertical plate and the second anchoring vertical plate respectively and then is assembled with the anchoring torsion seat in a screwing mode through threads, and then is assembled with the third anchoring vertical plate in a rotating mode;
an anchor driving belt wheel is fixed on the first driving screw, the first anchor driving belt wheel is connected with an auxiliary anchor driving belt wheel through an anchor driving belt and forms a belt transmission structure, the auxiliary anchor driving belt wheel is fixed on the second driving screw, and one end of the second driving screw penetrates through the first anchor driving vertical plate and the second anchor driving vertical plate respectively and then is assembled with the anchor driving torsion seat in a threaded screwing mode, and then is assembled with the third anchor driving vertical plate in a rotatable mode;
an anchor rod torsion barrel is installed in the anchoring torsion seat, the anchor rod torsion barrel is sleeved outside an anchor rod nut, and the anchor rod torsion barrel can drive the anchor rod nut to rotate circumferentially when rotating circumferentially, so that the anchor rod nut rotates towards an anchor rod tray until the anchor rod nut is tightly pressed with the anchor rod tray, and the anchor rod tray is fixed on an anchor rod;
the outer wall of the anchor rod torsion cylinder is provided with worm gear teeth, the worm gear teeth are meshed with a worm to form a worm gear transmission structure, and the worm is fixedly connected with an output shaft of the anchoring torsion motor;
the anchor rod is further fixed with an anchor striking ring, the anchor striking ring is close to one end face of the anchor striking motor and tightly attached to the end face of an anchor striking plate, the anchor striking plate is sleeved on the anchor rod and at least assembled and fixed with one end of an anchor striking telescopic shaft of the two anchor striking oil cylinders, the other end of the anchor striking telescopic shaft penetrates through the second anchor striking vertical plate and then is assembled with the anchor striking oil cylinders, and the anchor striking oil cylinders are installed on the first anchor striking vertical plate.
9. The anchor rod comprehensive mechanical property test platform of claim 8, characterized in that: the anchoring mechanism comprises a first anchoring flat plate, a first lifting screw, a second lifting screw, a third lifting screw and a fourth lifting screw, wherein a shearing oil cylinder and a lifting motor are fixed on the first anchoring flat plate, a telescopic shaft of the shearing oil cylinder is connected and fixed with one end of a shearing applying shaft, and the other end of the shearing applying shaft passes through the second anchoring flat plate and the third anchoring flat plate and then is assembled and attached to a force applying block;
the tops of the first lifting screw, the second lifting screw, the third lifting screw and the fourth lifting screw respectively penetrate through the third anchoring flat plate, then are assembled with the lifting plates positioned on the upper side and the lower side of the anchoring assembly in a screwing mode through threads, and finally are assembled with the fourth anchoring flat plate in a rotating mode; the lifting plate is fixed on the force application block;
an output shaft of the lifting motor is fixedly connected with the bottom of the first lifting screw, a third belt wheel is fixed on the first lifting screw, the third belt wheel is connected with a third auxiliary belt wheel through a third lifting belt and forms a belt transmission structure, the third auxiliary belt wheel is fixed at the bottom of a fourth lifting screw, a first auxiliary belt wheel and a second auxiliary belt wheel are further mounted on the fourth lifting screw, and the first auxiliary belt wheel and the second auxiliary belt wheel are respectively connected with the first belt wheel and the second belt wheel through the first lifting belt and the second lifting belt and form a belt transmission structure; the first belt wheel and the second belt wheel are respectively arranged at the bottoms of the second lifting screw and the third lifting screw;
the first anchoring flat plate and the fourth anchoring flat plate are connected and fixed through an end vertical plate, an oil cylinder partition plate is fixed on the end vertical plate, a limiting anchoring cylinder is fixed on the end vertical plate, a limiting anchoring inner cylinder is arranged in the limiting anchoring cylinder, the limiting anchoring inner cylinder is assembled with an anchoring limiting column, the anchoring limiting column is fixed on an axial force application plate, and the axial force application plate is tightly attached to one end, close to the anchoring mechanism, of the anchoring rod limiting ring;
the limiting anchoring cylinder and the anchoring limiting column are respectively provided with a through hole for the anchor rod to pass through, an axial pressing oil cylinder is fixed on the end vertical plate, and an axial telescopic shaft of the axial pressing oil cylinder passes through the oil cylinder partition plate and then is assembled and fixed with the axial force application plate.
10. The anchor rod comprehensive mechanical property test platform of claim 9, characterized in that: shaft end abdicating components are further arranged at the assembly positions of the first lifting screw, the second lifting screw, the third lifting screw and the fourth lifting screw and the lifting plate respectively;
the shaft end abdicating component comprises a square hole arranged on the lifting plate, wherein the square hole and the abdicating connecting cylinder can be axially assembled in a sliding manner, the abdicating connecting cylinder penetrates through two ends of the square hole and is respectively assembled and fixed with the first limiting plate and the second limiting plate, and an abdicating spring is sleeved on the abdicating connecting cylinder between the first limiting plate and the lifting plate;
the inner side of the abdicating connecting cylinder is provided with a screw thread which is respectively assembled with the first lifting screw rod in a screwing way through a screw thread.
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| CN201811333161.7A CN109470551B (en) | 2018-11-09 | 2018-11-09 | Anchoring assembly and comprehensive mechanical property test platform for anchor rod of anchoring assembly |
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| CN201811333161.7A CN109470551B (en) | 2018-11-09 | 2018-11-09 | Anchoring assembly and comprehensive mechanical property test platform for anchor rod of anchoring assembly |
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| CN109470551B true CN109470551B (en) | 2020-12-11 |
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| CN110082087B (en) * | 2019-05-13 | 2023-11-14 | 超昇速科技(无锡)有限公司 | Motor rotating shaft shearing force resistance testing tool |
| CN110261217A (en) * | 2019-06-20 | 2019-09-20 | 宁夏王洼煤业有限公司 | A kind of drawing experimental provision for testing grouting cable anchor performance under aqueous conditions |
| CN110344865B (en) * | 2019-07-18 | 2020-11-24 | 江苏科技大学 | Magnetic principle reinforced anchor rod and construction method thereof |
| CN110794112B (en) * | 2019-11-28 | 2022-02-01 | 泰安泰烁岩层控制科技有限公司 | Test barrel module and anchor cable drawing test device thereof |
| CN111477091A (en) * | 2020-05-06 | 2020-07-31 | 淮阴工学院 | Many confined structure roof beam loading experiment platform |
| CN114608972B (en) * | 2022-02-24 | 2023-11-17 | 中煤科工开采研究院有限公司 | Anchor rod supporting plate mechanical property testing device and testing method |
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| CN109470551A (en) | 2019-03-15 |
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