CN111649900A - Anchor rod impact resistance testing system - Google Patents
Anchor rod impact resistance testing system Download PDFInfo
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- CN111649900A CN111649900A CN202010674761.0A CN202010674761A CN111649900A CN 111649900 A CN111649900 A CN 111649900A CN 202010674761 A CN202010674761 A CN 202010674761A CN 111649900 A CN111649900 A CN 111649900A
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- horizontal
- testing system
- impact
- spring
- steel wire
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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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
- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0035—Spring
Abstract
The invention discloses an anchor rod impact resistance testing system which comprises a vertical testing system and a horizontal testing system, wherein the horizontal testing system comprises a left horizontal testing system and a right horizontal testing system. The vertical impact heavy hammer is pulled up by a first tensile machine and then released, impact force is provided for a testing type rock body to test the impact resistance of the anchor bolt support, two horizontal impact heavy hammers pull steel wires by a plurality of transversely arranged tensile machines to compress a plurality of transversely arranged springs to store elastic energy, then the springs are reset, the elastic energy is converted into impact kinetic energy, the compression degree of the springs is controlled to be adjusted adaptively according to testing requirements, the effect of adjusting according to actual testing requirements is achieved, testing experiments are provided in roadway and tunnel support design prone to rock burst disasters, the safety of site support is guaranteed, and the aim of improving testing safety is achieved.
Description
Technical Field
The invention relates to the technical field of anchor bolt support testing, in particular to an anchor bolt impact resistance testing system.
Background
In the excavated roadway, the roadway can bring impact disturbance to the finished roadway due to sliding of an upper fault or blasting excavation of the roadway in the horizontal direction, the impact disturbance makes the roadway very easy to induce rock burst phenomenon or collapse of support, the reasonable support scheme and the proper anchor bolt support are very important for the impact roadway, the designed support scheme and the selected anchor bolt are suitable, and experimental test is needed to select the proper design scheme so that the anchor bolt is suitable for use.
The existing anchor rod impact resistance test system in the market at present is difficult to meet the actual test requirement, and is difficult to provide a test experiment in the support design of a roadway and a tunnel which are easy to have an impact rock burst disaster to ensure the safety of on-site support, so that the test safety is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anchor rod impact resistance testing system, which solves the problems that the existing anchor rod impact resistance testing system in the current market is difficult to meet the actual testing requirement, and is difficult to provide a testing experiment to ensure the on-site supporting safety in the supporting design of a roadway and a tunnel which are easy to generate an impact rock burst disaster, so that the testing safety is poor.
In order to achieve the purpose, the invention adopts the following technical scheme: the anchor rod impact resistance testing system comprises a vertical testing system and a horizontal testing system, wherein the horizontal testing system comprises a left horizontal testing system and a right horizontal testing system.
Preferably, the vertical testing system comprises a rigid frame, a vertical impact heavy hammer, a first steel wire and a first tensile machine, wherein the vertical impact heavy hammer is located inside the rigid frame, the first steel wire penetrates through a top frame wall of the rigid frame and is in sliding connection with the rigid frame, the tensile machine is fixedly installed at the top of the rigid frame, a testing rock body is arranged at the bottom of the rigid frame, an anchor rod and an anchor rod supporting frame are arranged in the middle of the testing rock body, and the anchor rod is fixedly connected with the surface of the anchor rod supporting frame.
Preferably, the horizontal impact testing system comprises a first pedestal frame and a second pedestal frame, a second tensile machine and a third tensile machine are fixedly installed at the top of the first pedestal frame, a fourth tensile machine and a fifth tensile machine are fixedly installed at the top of the second pedestal frame, a second steel wire and a third steel wire are respectively installed at the output ends of the second tensile machine and the third tensile machine, a fourth steel wire and a fifth steel wire are respectively installed at the output ends of the fourth tensile machine and the fifth tensile machine, a first horizontal impact hammer is fixedly installed at the end parts of the second steel wire and the third steel wire, a first hammer wheel is fixedly installed at the bottom end of the first horizontal impact hammer, a second horizontal impact hammer is fixedly installed at the end parts of the fourth steel wire and the fifth steel wire, a second hammer wheel is installed at the second horizontal impact hammer, a first spring, a second spring and a fifth spring are fixedly installed at the side surface of the first horizontal impact hammer, and the fifth spring is positioned on the back of the first spring, the middle part of the first horizontal impact hammer is connected with a first horizontal guide rod in a sliding manner, the side surface of the second horizontal impact hammer is fixedly provided with a third spring and a fourth spring, and the middle part of the second horizontal impact hammer is connected with a second horizontal guide rod in a sliding manner.
Preferably, the first spring is located above the second spring, and the third spring is located above the fourth spring.
Preferably, the first base frame is located on the right side of the second base frame.
Preferably, a wheel rod is fixedly mounted in the middle of the first hammer wheel, and a connecting wheel is fixedly mounted at the other end of the wheel rod.
Compared with the prior art, the invention has the beneficial effects that: the anchor rod impact resistance testing system pulls up the vertical impact heavy hammer through the first tension machine, then releases the vertical impact heavy hammer, provides impact force for testing rock masses to test the impact resistance of anchor rod support, pulls the two horizontal impact heavy hammers through the horizontal tension machines to pull steel wires, compresses the horizontal springs to store elastic energy, resets the springs, converts the elastic energy into impact kinetic energy, enables the horizontal impact heavy hammers to slide on the surface of the horizontal guide rail, enables the bottoms of the horizontal impact heavy hammers to move through the rolling of the horizontal weight pulleys, enables the stability in the moving process to be better, has smaller friction force, reduces the loss of the elastic energy of the springs, is convenient to control the compression degree of the springs to be adaptively adjusted according to the testing requirements, achieves the effect of conveniently adjusting according to the actual testing requirements, and is convenient to provide testing experiments in the design of tunnels and tunnels which are easy to generate impact rock burst disasters to ensure the safe support of site support The aim of improving the test safety is fulfilled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a vertical test system configuration of the present invention;
FIG. 3 is a cross-sectional view of a horizontal testing system according to the present invention.
In the figure: the test device comprises a test rock body 1, a 2 anchor rod, a 3 anchor rod support frame, a 4 vertical impact hammer, a 5 first steel wire, a 6 first tensile machine, a 7 first horizontal guide rod, a 8 first horizontal impact hammer, a 9 first spring, a 10 second steel wire, a 11 second tensile machine, a 12 third steel wire, a 13 third tensile machine, a 14 second spring, a 15 first hammer wheel, a 16 first base frame, a 17 second horizontal guide rod, a 18 second horizontal impact hammer, a 19 third spring, a 20 fourth steel wire, a 21 fourth tensile machine, a 22, a 23 fifth tensile machine, a 24 fourth spring, a 25 second hammer wheel, a 26 second base frame, a 27 wheel rod, a 28 connecting wheel, a 29 fifth spring and a 30 rigid frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to fig. 1-3, an anchor rod impact resistance test system comprises a vertical test system and a horizontal test system, the horizontal test system comprises a left horizontal test system and a right horizontal test system, the vertical test system comprises a rigid frame 30, a vertical impact weight 4, a first steel wire 5 and a first tensile machine 6, the vertical impact weight 4 is located inside the rigid frame 30, the first steel wire 5 penetrates through the top frame wall of the rigid frame 30 and is connected with the rigid frame 30 in a sliding manner, the tensile machine 6 is fixedly installed at the top of the rigid frame 30, a test rock mass 1 is arranged at the bottom of the rigid frame 30, an anchor rod 2 and an anchor rod support frame 3 are arranged in the middle of the test rock mass 1, the anchor rod 2 is fixedly connected with the surface of the anchor rod support frame 3, the horizontal impact test system comprises a first base frame 16 and a second base frame 26, a second tensile machine 11 and a third tensile machine 13 are fixedly installed at the top of the first base frame 16, a fourth tensile machine 21 and a fifth tensile machine 23 are fixedly installed on the top of the second base frame 26, the output ends of the second tensile machine 11 and the third tensile machine 13 are respectively provided with a second steel wire 10 and a third steel wire 12, the output ends of the fourth tensile machine 21 and the fifth tensile machine 23 are respectively provided with a fourth steel wire 20 and a fifth steel wire 22, the end parts of the second steel wire 10 and the third steel wire 12 are fixedly provided with a first horizontal impact hammer 8, the bottom end of the first horizontal impact hammer 8 is fixedly provided with a first hammer wheel 15, the end parts of the fourth steel wire 20 and the fifth steel wire 22 are fixedly provided with a second horizontal impact hammer 18, the second horizontal impact hammer 18 is provided with a second hammer wheel 25, the side surface of the first horizontal impact hammer 8 is fixedly provided with a first spring 9, a second spring 14 and a fifth spring 29, the fifth spring 29 is positioned on the back surface of the first spring 9, the middle part of the first horizontal impact hammer 8 is slidably connected with a first horizontal guide rod 7, a third spring 19 and a fourth spring 24 are fixedly arranged on the side surface of the second horizontal impact hammer 18, a second horizontal guide rod 17 is connected to the middle of the second horizontal impact hammer 18 in a sliding manner, the first spring 9 is positioned above the second spring 14, the third spring 19 is positioned above the fourth spring 24, the first base frame 16 is positioned on the right side of the second base frame 26, a wheel rod 27 is fixedly arranged in the middle of the first hammer wheel 15, a connecting wheel 28 is fixedly arranged at the other end of the wheel rod 27, the vertical impact hammer 4 is pulled up by the first tension machine 6 and then the vertical impact hammer 4 is released to provide impact force for the tested rock mass 1 to test the impact resistance of the anchor rod 2 support, and after the two horizontal impact hammers pull steel wires by the transversely arranged tension machines, the transversely arranged springs are compressed to store elastic energy and then the springs are reset to convert the elastic energy into impact kinetic energy, make the horizontal impact weight slide on horizontal guide rail surface, and make the bottom of horizontal impact weight remove through the roll of horizontal weight pulley, it is better to make the in-process stability that removes, and frictional force is less, the loss of spring elastic energy has been reduced, be convenient for come the compression degree of control spring according to the test demand and do the adaptability adjustment, thereby reached and be convenient for carry out the effect of adjusting according to the actual test demand, be convenient for provide the test experiment in the tunnel and the tunnel support design that easily take place the impact rockburst calamity and guarantee the safety of on-the-spot support, the target of improvement test safety has been realized.
In conclusion, the anchor rod impact resistance testing system pulls up the vertical impact heavy hammer 4 through the first tension machine 6, then releases the vertical impact heavy hammer 4, provides impact force for the testing rock mass 1 to test the impact resistance of the anchor rod 2 support, pulls the two horizontal impact heavy hammers through the plurality of tension machines which are transversely arranged, compresses the plurality of springs which are transversely arranged to store elastic energy, then resets the springs, converts the elastic energy into impact kinetic energy, enables the horizontal impact heavy hammers to slide on the surface of the horizontal guide rail, enables the bottoms of the horizontal impact heavy hammers to move through the rolling of the horizontal heavy hammer pulleys, enables the stability in the moving process to be better, reduces the loss of the elastic energy of the springs, is convenient for controlling the compression degree of the springs to be adaptively adjusted according to the testing requirements, and achieves the effect of being convenient for adjusting according to the actual testing requirements, the method has the advantages that the safety of on-site support is guaranteed by providing a test experiment in the support design of the roadway and the tunnel which are prone to the occurrence of the rock burst impact disaster, the aim of improving the test safety is achieved, the problem that the existing anchor rod impact resistance test system in the existing market is difficult to meet the actual test requirement, the test experiment is difficult to provide in the support design of the roadway and the tunnel which are prone to the occurrence of the rock burst impact disaster to guarantee the safety of on-site support is solved, and the test safety is poor is solved.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The anchor rod impact resistance testing system comprises a vertical testing system and a horizontal testing system and is characterized in that the horizontal testing system comprises a left horizontal testing system and a right horizontal testing system.
2. An anchor rod impact resistance testing system according to claim 1, wherein the vertical testing system comprises a rigid frame (30), a vertical impact weight (4), a first steel wire (5) and a first tension machine (6), the vertical impact weight (4) is located inside the rigid frame (30), the first steel wire (5) penetrates through the top frame wall of the rigid frame (30) and is in sliding connection with the rigid frame (30), the tension machine (6) is fixedly installed at the top of the rigid frame (30), a testing rock body (1) is arranged at the bottom of the rigid frame (30), an anchor rod (2) and an anchor rod support frame (3) are arranged in the middle of the testing rock body (1), and the anchor rod (2) is fixedly connected with the surface of the anchor rod support frame (3).
3. The anchor rod impact resistance testing system according to claim 1, wherein the horizontal impact testing system comprises a first base frame (16) and a second base frame (26), a second tensile machine (11) and a third tensile machine (13) are fixedly installed on the top of the first base frame (16), a fourth tensile machine (21) and a fifth tensile machine (23) are fixedly installed on the top of the second base frame (26), the output ends of the second tensile machine (11) and the third tensile machine (13) are respectively provided with a second steel wire (10) and a third steel wire (12), the output ends of the fourth tensile machine (21) and the fifth tensile machine (23) are respectively provided with a fourth steel wire (20) and a fifth steel wire (22), the end parts of the second steel wire (10) and the third steel wire (12) are fixedly provided with a first horizontal impact hammer (8), the utility model discloses a hydraulic hammer, including first horizontal percussion hammer (8), the bottom fixed mounting of first horizontal percussion hammer (8) has first hammer wheel (15), the tip fixed mounting of fourth steel wire (20) and fifth steel wire (22) has second horizontal percussion hammer (18), second hammer wheel (25) are installed to second horizontal percussion hammer (18), the side fixed mounting of first horizontal percussion hammer (8) has first spring (9) and second spring (14) and fifth spring (29), and fifth spring (29) are located the back of first spring (9), the middle part sliding connection of first horizontal percussion hammer (8) has first horizontal guide arm (7), the side fixed mounting of second horizontal percussion hammer (18) has third spring (19) and fourth spring (24), the middle part sliding connection of second horizontal percussion hammer (18) has second horizontal guide arm (17).
4. An anchor impact testing system according to claim 3, wherein the first spring (9) is located above the second spring (14) and the third spring (19) is located above the fourth spring (24).
5. An anchor impact testing system according to claim 3, wherein said first pedestal base (16) is located to the right of said second pedestal base (26).
6. An anchor impact testing system according to claim 3, characterized in that a wheel rod (27) is fixedly installed in the middle of the first hammer wheel (15), and a connecting wheel (28) is fixedly installed at the other end of the wheel rod (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674761.0A CN111649900A (en) | 2020-07-14 | 2020-07-14 | Anchor rod impact resistance testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674761.0A CN111649900A (en) | 2020-07-14 | 2020-07-14 | Anchor rod impact resistance testing system |
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| CN111649900A true CN111649900A (en) | 2020-09-11 |
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| CN202010674761.0A Pending CN111649900A (en) | 2020-07-14 | 2020-07-14 | Anchor rod impact resistance testing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112461482A (en) * | 2020-11-05 | 2021-03-09 | 湖南利美防爆装备制造股份有限公司 | Impact force detection device convenient to adjust and used for research and development of explosion-proof vehicle |
| CN112595481A (en) * | 2020-12-07 | 2021-04-02 | 华亭煤业集团有限责任公司 | Roadway energy-absorbing support analog simulation experiment device |
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Application publication date: 20200911 |