CN110631796B - Testing device - Google Patents
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- CN110631796B CN110631796B CN201910952442.9A CN201910952442A CN110631796B CN 110631796 B CN110631796 B CN 110631796B CN 201910952442 A CN201910952442 A CN 201910952442A CN 110631796 B CN110631796 B CN 110631796B
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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
Abstract
The invention provides a testing device for detecting the impact performance of an impact mechanism, which comprises: one end of the base is used for installing an impact mechanism; the testing tool is used for connecting the impact mechanism and is also used for installing a sensor; the impact receiving device is arranged at the other end of the base and is used for receiving the impact of the impact mechanism; the impact mechanism drives the test tool to impact the impact receiving device, and the impact performance of the impact mechanism is detected through a sensor mounted on the test tool. According to the technical scheme, a plurality of impact performance parameters of the impact mechanism can be directly detected, the detection accuracy and reliability are improved, the impact device can absorb impact energy and reduce the reaction force on the impact mechanism, so that the damage probability of the impact mechanism is reduced, and the impact device is simple in structure, easy to produce and assemble and capable of being used repeatedly.
Description
Technical Field
The invention relates to the technical field of vibration testing devices, in particular to a testing device.
Background
The rock drilling machine is applied to various fields of mine excavation, tunnel excavation, building engineering and the like, is used as an important working mechanism for work such as engineering rock drilling, blasting, drilling and the like, has obvious influence on the construction effect due to impact performance parameters of the rock drilling machine in the drilling process, determines the drilling precision, the drilling efficiency, the energy consumption, the system reliability and the like, cannot be tested on site due to severe environment of a construction site, determines the impact performance and other parameters of the rock drilling machine, and can only carry out simulation test according to site conditions. Therefore, a test system capable of directly and effectively performing performance testing of a hydraulic rock drilling rig is needed.
In some test systems in the prior art, a hydraulic spring cylinder is used as a punched device, the hydraulic spring cylinder has certain reaction force on a rock drill to be tested, and the rock drill to be tested can be damaged by long-time punching; the test bed can only perform reliability tests and cannot test other impact properties of the rock drill; the other test beds adopt real rocks as the tested impacted objects, the real rocks cannot be reused after the test is finished, and the acquisition of large rocks is inconvenient; and some test experiment benches are used for indirectly calculating impact energy, speed and other performance parameters through impact of a heavy hammer, and the obtained data is not high in accuracy.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
In view of the above, the present invention provides a testing apparatus.
In order to achieve the above object, an aspect of the present invention provides a testing apparatus for detecting an impact performance of an impact mechanism, including: one end of the base is used for installing an impact mechanism; the testing tool is used for connecting the impact mechanism and is also used for installing a sensor; the impact receiving device is arranged at the other end of the base and is used for receiving the impact of the impact mechanism; the impact mechanism drives the test tool to impact the impact receiving device, and the impact performance of the impact mechanism is detected through a sensor mounted on the test tool.
In the technical scheme, the testing tool capable of installing the sensor is connected to the impact mechanism, so that the impact performance of the impact mechanism can be detected through different sensors installed on the testing tool, namely, relevant parameters of the impact performance are directly tested instead of being obtained through indirect calculation, the accuracy of the impact performance parameter testing of the impact mechanism and the convenience of the testing are improved, and the working efficiency is improved.
In the above technical solution, the sensor at least includes one or more of a torque sensor, a strain gauge, an acceleration sensor, and a speed sensor.
In the technical scheme, different sensors are adopted, so that different performance parameters in the impact performance of the impact mechanism can be conveniently tested, specifically, the torque of the impact mechanism can be tested through a torque sensor, and the impact energy of the impact mechanism can be tested through a strain gauge; the acceleration sensor can be used for testing the acceleration of the impact mechanism during working, the speed sensor can be used for testing the impact speed of the impact mechanism during working, and the positions of the sensors on the testing device can be different according to different detected parameters.
In the above technical scheme, the test fixture includes: one end of the impact test rod is connected with the impact mechanism; the impact head is detachably connected with the other end of the impact testing rod, the impact testing rod is used for transmitting impact energy of the impact mechanism to the impact receiving device through the impact head, and the cross sectional area of the impact head is larger than that of the impact testing rod.
In the technical scheme, the test tool comprises an impact test rod and an impact head, so that on one hand, impact energy is conveniently transmitted to a impacted device through the impact test rod and the impact head, and on the other hand, various sensors are conveniently mounted; the impact head is detachably connected with the impact testing rod, and is easy to damage due to more impacts between the impact head and the impact-receiving device and larger impact force, so that the impact head is detachably connected, the impact head is convenient to replace, the impact head is also convenient to adopt a material different from the impact testing rod, namely the impact head adopts a material with higher impact resistance, and the service life of the impact head is prolonged; the cross-sectional area of the impact head is larger than that of the impact testing rod, so that the pressure on the impact head is reduced, and the stress of the impact head is reduced.
In the technical scheme, the impact test rod is provided with a plurality of grooves, and the grooves are used for mounting the strain gauge.
In the technical scheme, the plurality of grooves are formed in the impact testing rod to install the strain gauge, so that the impact energy of the impact mechanism can be conveniently tested, the structure is simple, and the production and installation are easy; the setting of a plurality of recesses is convenient for install a plurality of foil gauges to can test a plurality of impact energy values, with the correction through a plurality of impact energy values, promote the degree of accuracy that the impact energy tested.
In the above technical scheme, the test fixture includes: one end of the torque connecting part is used for connecting the impact mechanism; the base is arranged at the other end of the torque connecting part and used for mounting the torque sensor; and the torque testing rod is connected with the base and is used for connecting the base and the base.
In the technical scheme, the torque of the impact mechanism is convenient to transmit by connecting the torque connecting part with the impact mechanism, and further, the torque sensor is convenient to mount by arranging the base, so that the torque of the impact mechanism is detected; through torque test pole connection base and base, the fixed base of being convenient for ensures that the moment of torsion can obtain complete transmission.
In any one of the above technical solutions, the testing apparatus further includes: the sliding mechanism is arranged at one end of the base, is connected with the base in a sliding way and is used for installing the impact mechanism; and the driving mechanism is connected with the sliding mechanism and drives the sliding mechanism to drive the impact mechanism to move.
In the technical scheme, the sliding mechanism is connected with the base in a sliding mode and is also connected with the driving mechanism, so that the driving mechanism drives the sliding mechanism to drive the impact mechanism to move, the labor intensity is reduced, and the test convenience is improved.
In the above technical solution, the base has an upper portion and a lower portion adjacent to each other, the base further includes a vertical plate, the vertical plate is disposed on the upper portion, the punching device is disposed on the lower portion, and the sliding mechanism is slidably connected to the vertical plate and can slide reciprocally in the directions of the upper portion and the lower portion along the vertical plate.
In this technical scheme, through set up the riser on the base, slide mechanism and riser sliding connection, and the upper portion of base is located to the riser, receives the device of dashing and locates the lower part, makes slide mechanism reciprocal slip in the direction of upper portion and lower part like this, perhaps says so and slides in vertical direction, such simple structure, easily control is favorable to promoting the convenience of test.
In the above-described aspect, the slide mechanism includes: the first sliding block is connected with the vertical plate in a sliding manner and is used for mounting an impact mechanism; and the second sliding block is fixedly connected with the first sliding block, and a driving mechanism mounting seat is arranged on the second sliding block so as to mount a driving mechanism.
In the technical scheme, the first sliding block and the second sliding block are arranged, and the first sliding block and the second sliding block are respectively provided with the impact mechanism and the driving mechanism, so that the sliding mechanism is convenient to disassemble, assemble and maintain, simple in structure and easy to produce and maintain.
In the above technical solution, the sliding mechanism further includes: and the wear-resistant plate is arranged between the first sliding block and the second sliding block.
In the technical scheme, the first sliding block and the second sliding block are relatively independent parts, so that friction is avoided, the abrasion of the first sliding block and the second sliding block can be reduced, and the service lives of the first sliding block and the second sliding block are prolonged.
In the above technical solution, the driving mechanism includes any one of an oil cylinder, an air cylinder, and an electric cylinder.
In this technical scheme, through setting up actuating mechanism into any one in hydro-cylinder, electronic jar, be favorable to selecting for use different actuating mechanism according to the particular case of impact mechanism, promote flexibility and the convenience of testing arrangement design and use.
In any one of the above solutions, the device to be flushed comprises: the punched cylinder is internally provided with a cavity, and the cavity is internally provided with filler.
In the technical scheme, the punched cylinder is arranged to be a cavity structure, and the filler is arranged in the cavity, so that when the punched cylinder is punched by the punching mechanism, the cavity structure and the filler in the cavity can play a certain role in buffering and absorbing vibration, the reaction force to the punching mechanism is small, the damage probability of the punching mechanism is reduced, meanwhile, the filler can also play a certain role in supporting the top of the punched cylinder, the punched cylinder is prevented from being damaged too fast, and the service life of the punched device is prolonged; furthermore, when the filler is damaged by impact, the filler is convenient to supplement, so that the flushing device can be repeatedly utilized, and the use convenience of the flushing device is improved.
In the above technical solution, the flushed cylinder includes: and the punched piece is arranged at the top of the punched cylinder to bear the impact of the impact mechanism.
In this technical scheme, through receiving the impact by the top setting of dashing a section of thick bamboo, can avoid dashing a section of thick bamboo and directly bearing the impact and too fast damaged to can promote and receive the number of times that dashes the device and be used repeatedly, still be convenient for through changing the life who receives the impact and prolong the device that dashes.
In the technical scheme, the top of the punched part is provided with the guide groove, and the guide groove is used for guiding the impact mechanism.
In this technical scheme, through setting up the guide way for the direction of impact mechanism, be convenient for guide impact direction plays the effect of rightting to impact mechanism.
In the above technical scheme, the top of receiving towards a section of thick bamboo is equipped with the opening, receives towards a section of thick bamboo still includes: the punched cover plate is covered on the opening, and the punched piece is arranged on the punched cover plate.
In the technical scheme, the top of the flushed cylinder is provided with the opening, so that the filler is convenient to supplement and replace; the opening part is arranged through the cover plate which is punched, so that when impact is avoided, the filler in the cavity is punched out of the punching cylinder, on one hand, the decrement of the filler can be reduced, the service life of the filler is prolonged, and on the other hand, the filler can be prevented from splashing to a user or other equipment at a high speed to cause safety accidents.
In the above technical solution, the receiving device further includes: the buffer piece is arranged at the bottom of the flushed cylinder.
In this technical scheme, through set up the bolster by dashing a section of thick bamboo bottom, be convenient for absorb by dash the impact energy that a section of thick bamboo received, play the effect of energy-absorbing damping to placing the contact surface that receives a section of thick bamboo, for example ground forms the protection, can also avoid the material of contact surface to be broken by the impact energy and spill, avoid the incident.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic front view of a testing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a testing device according to an embodiment of the present invention;
FIG. 3 is a front view of a sliding mechanism of a testing device according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a sliding mechanism of a testing device according to an embodiment of the present invention;
FIG. 5 is a perspective view of a device under test of a testing device according to an embodiment of the present invention;
FIG. 6 is a schematic front view of a test fixture of a test apparatus according to an embodiment of the present invention;
fig. 7 is a schematic front view of a test fixture of a test apparatus according to another embodiment of the invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
the test tool comprises a base 10, a vertical plate 100, an armrest 102, a step plate 104, a test tool 12, an impact testing rod 120, a groove 1200, an impact head 122, a torque connecting part 124, a base 126, a torque testing rod 128, a punching device 14, a punching cylinder 140, a punching element 142, a punching cover 144, a buffering element 146, a sliding mechanism 16, a first sliding block 160, a second sliding block 162, a mounting seat 164, a driving mechanism 18 and an impact mechanism 20.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Some embodiments according to the invention are described below with reference to fig. 1 to 7.
As shown in fig. 1 to 7, a testing apparatus according to an embodiment of the present invention for testing the impact performance of an impact mechanism 20 includes: a base 10, a test fixture 12 and a punched device 14.
Specifically, one end of the base 10 is used for mounting the impact mechanism 20; the test tool 12 is used for connecting the impact mechanism 20 and mounting a sensor; the receiving device 14 is disposed at the other end of the base 10, and the receiving device 14 is used for receiving the impact of the impact mechanism 20.
During testing, the impact mechanism 20 is mounted on the base 10, the impact mechanism 20 drives the test fixture 12 to impact the impacted device 14, and the impact performance of the impact mechanism 20 is detected through a sensor mounted on the test fixture 12.
In this embodiment, the impact mechanism 20 is connected with the test fixture 12 capable of mounting a sensor, so that the impact performance of the impact mechanism 20 can be detected through different sensors mounted on the test fixture 12, that is, relevant parameters of the impact performance are directly tested instead of being obtained through indirect calculation, thereby improving the accuracy and the convenience of the test of the impact performance parameters of the impact mechanism 20 and improving the working efficiency.
Specifically, by arranging the base 10 to mount the impact mechanism 20, the base 10 can be used for holding the impact mechanism 20 to perform impact work instead of a user, so that the labor intensity is reduced; through the test tool 12, different types of sensors can be conveniently installed through the test tool 12 to detect different impact performance parameters, the real-time impact performance parameters of the impact mechanism 20 can be directly obtained, and the accuracy and convenience of the impact performance parameter test are improved; for example, parameters such as impact energy, torque, speed, reliability, etc. of the impact mechanism 20 may be detected; by arranging the impacted device 14, impact objects such as rocks and the like can be conveniently simulated, inconvenience in obtaining large rocks is avoided, convenience in testing is improved, and the impacted device 14 can be reused; furthermore, through the cooperation of the base 10, the test fixture 12, the punched device 14 and the impact mechanism 20, the actual working condition of the impact mechanism 20 can be fully simulated, and meanwhile, the test environment has fewer interference factors compared with the environment of a construction site, which is beneficial to ensuring the accuracy and reliability of test data.
Alternatively, the impact mechanism 20 includes at least any one of a rock drill, a hammer drill, and an electric hammer.
In the above embodiments, the sensor includes at least any one or more of a torque sensor, a strain gauge, an acceleration sensor, and a speed sensor.
In this embodiment, different sensors are used to facilitate testing of different performance parameters in the impact performance of the impact mechanism 20, specifically, the torque of the impact mechanism 20 can be tested by a torque sensor, and the impact energy of the impact mechanism 20 can be tested by a strain gauge; the acceleration of the impact mechanism 20 during operation can be tested by the acceleration sensor, the impact speed of the impact mechanism 20 during operation can be tested by the speed sensor, and the positions of the sensors mounted on the testing device can be different according to different detected parameters.
As shown in fig. 6, in the above embodiment, the test fixture 12 includes: an impact testing rod 120, one end of which is connected with the impact mechanism 20; and an impact head 122 detachably connected to the other end of the impact testing rod 120, the impact testing rod 120 being used for transmitting the impact energy of the impact mechanism 20 to the impacted device 14 through the impact head 122, the cross-sectional area of the impact head 122 being larger than that of the impact testing rod 120.
In this embodiment, the test fixture 12 includes an impact test rod 120 and an impact head 122, which on one hand facilitates transmission of impact energy to the impacted device 14 through the impact test rod 120 and the impact head 122, and on the other hand facilitates installation of various sensors; the impact head 122 is detachably connected with the impact testing rod 120, and because the impact head 122 is impacted with the impact-receiving device 14 more, the impact force is larger, so that the impact head 122 is easy to damage, the impact head 122 is detachably connected, the impact head 122 is convenient to replace, the impact head 122 is also convenient to adopt a material different from the impact testing rod 120, namely the impact head 122 adopts a material with higher impact resistance, so that the service life of the impact head 122 is prolonged; the cross-sectional area of the impact head 122 is larger than that of the impact testing rod 120, which is beneficial to reducing the pressure on the impact head 122 and reducing the stress of the impact head 122.
As shown in fig. 6, in the above embodiment, the impact testing rod 120 is provided with a plurality of grooves 1200, and the grooves 1200 are used for mounting the strain gauge.
In this embodiment, the plurality of grooves 1200 are formed on the impact testing rod 120 to mount the strain gauge, so that the impact energy of the impact mechanism 20 can be tested conveniently, and the impact testing rod has a simple structure and is easy to produce and mount; the arrangement of the grooves 1200 facilitates the installation of a plurality of strain gauges, so that a plurality of impact energy values can be tested, and the accuracy of the impact energy test is improved by correcting the plurality of impact energy values.
As shown in fig. 7, in the above embodiment, the test fixture 12 includes: a torque connection part 124, one end of the torque connection part 124 is used for connecting the impact mechanism 20; a base 126 arranged at the other end of the torque connecting part 124, wherein the base 126 is used for mounting a torque sensor; and a torsion testing bar 128 connected to the base 126, the torsion testing bar 128 being used to connect the base 126 and the base 10.
In this embodiment, the connection of the torque connection 124 to the impact mechanism 20 facilitates the transfer of torque from the impact mechanism 20 to be detected by the torque sensor; further, through the arrangement of the base 126, it is convenient to install a torque sensor, so as to detect the torque of the impact mechanism 20; the base 126 is fixed by connecting the torque testing rod 128 with the base 10, so that the base 126 is prevented from rotating, and complete torque transmission is ensured.
As shown in fig. 3 and 4, in any of the above embodiments, the testing apparatus further includes: the sliding mechanism 16 is arranged at one end of the base 10, the sliding mechanism 16 is connected with the base 10 in a sliding way, and the sliding mechanism 16 is used for installing the impact mechanism 20; and a driving mechanism 18 connected with the sliding mechanism 16 and driving the sliding mechanism 16 to drive the impact mechanism 20 to move.
In this embodiment, the sliding mechanism 16 is slidably connected to the base 10, and the sliding mechanism 16 is further connected to the driving mechanism 18, so that the driving mechanism 18 drives the sliding mechanism 16 to drive the impact mechanism 20 to move, which reduces labor intensity and improves convenience of testing.
As shown in fig. 1 and fig. 2, in the above embodiment, the base 10 has an upper portion and a lower portion adjacent to each other, the base 10 further includes an upright plate 100, the upright plate 100 is disposed on the upper portion, the impacted device 14 is disposed on the lower portion, and the sliding mechanism 16 is slidably connected to the upright plate 100 and can slide back and forth along the upright plate 100 in the upper and lower directions.
In this embodiment, by providing the vertical plate 100 on the base 10, the sliding mechanism 16 is slidably connected to the vertical plate 100, the vertical plate 100 is disposed on the upper portion of the base 10, and the punching device 14 is disposed on the lower portion, so that the sliding mechanism 16 can slide in the directions of the upper portion and the lower portion in a reciprocating manner, or in a vertical direction.
Of course, the present invention is not limited to this, and the impact direction of the impact mechanism 20 is limited to vertical direction, and it is also possible to impact in horizontal direction, or impact in inclined direction when it works, therefore, in the present invention, the base 10 can be divided into two parts, i.e. left and right parts, in horizontal direction, and one of the sliding mechanism 16 and the impacted device 14 is arranged at the left part, and the other is arranged at the right part, and the sliding mechanism 16 slides in horizontal direction; alternatively, the slide mechanism 16 is provided on the base 10 obliquely to the horizontal direction and slides obliquely to the horizontal direction.
As shown in fig. 2, in the above embodiment, the slide mechanism 16 includes: the first sliding block 160 is slidably connected with the vertical plate 100, and the first sliding block 160 is used for mounting the impact mechanism 20; and the second sliding block 162 is fixedly connected with the first sliding block 160, and a driving mechanism 18 mounting seat 164 is arranged on the second sliding block 162 so as to mount the driving mechanism 18.
In this embodiment, the first slider 160 and the second slider 162 are provided, and the impact mechanism 20 and the driving mechanism 18 are respectively installed on the first slider 160 and the second slider 162, so that the dismounting and the maintenance of the sliding mechanism 16 are facilitated, the structure is simple, and the production and the maintenance are easy.
In the above embodiment, the slide mechanism 16 further includes: and the wear-resistant plate is arranged between the first sliding block 160 and the second sliding block 162.
In this embodiment, since the first slider 160 and the second slider 162 are relatively independent components, friction is inevitably generated, and by providing the wear-resistant plate between the first slider 160 and the second slider 162, wear of the first slider 160 and the second slider 162 can be reduced, and the service life of the first slider 160 and the second slider 162 can be prolonged.
Optionally, the first slider 160, the second slider 162 and the wear pad are connected by screws, so that the wear pad is convenient to replace when the wear pad is worn more; the number of the wear-resistant pieces can be one or more, a plurality of wear-resistant pieces can be uniformly distributed between the first sliding block 160 and the second sliding block 162, or irregularly distributed, or a plurality of wear-resistant pieces are superposed.
In the above embodiment, the driving mechanism 18 includes any one of the oil cylinder, the air cylinder, and the electric cylinder.
In this embodiment, the driving mechanism 18 is set to be any one of an oil cylinder, an air cylinder and an electric cylinder, so that different driving mechanisms 18 can be selected according to the specific situation of the impact mechanism 20, and the flexibility and convenience of design and use of the testing device are improved.
As shown in fig. 5, in any of the above embodiments, the fluked device 14 includes: the flushed barrel 140 is provided with a cavity, and the cavity is filled with filler.
In this embodiment, the flushed barrel 140 is a cavity structure, and the filler is disposed in the cavity, so that when the impacting mechanism 20 impacts, the cavity structure and the filler in the cavity can play a certain role in buffering and absorbing vibration, the reaction force to the impacting mechanism 20 is small, heat generation can be reduced, the damage probability of the impacting mechanism 20 is reduced, meanwhile, the filler can also play a certain role in supporting the top of the flushed barrel 140, the flushed barrel 140 is prevented from being damaged too fast, and the service life of the flushed device 14 is prolonged; further, when the filler is damaged by impact, the filler is convenient to supplement, so that the punched device 14 can be recycled, and the convenience in use of the punched device 14 is improved.
Optionally, the filler at least comprises any one or a combination of sand, sandy soil, asphalt, gravel and various liquids.
In the above embodiment, the flushed barrel 140 includes: and a receiving member 142 disposed at the top of the receiving cylinder 140 to receive the impact of the impact mechanism 20.
In this embodiment, by providing the flushing member 142 at the top of the flushing barrel 140 to bear the impact, the flushing barrel 140 can be prevented from being damaged too quickly due to the direct impact, so that the number of times the flushing device 14 is reused can be increased, and the service life of the flushing device 14 can be prolonged by replacing the flushing member 142.
In the above embodiment, the top of the punched member 142 is provided with a guide groove for guiding the impact mechanism 20.
In this embodiment, the impact mechanism 20 is guided by the guide groove, so as to guide the impact direction, and to perform a function of centering on the impact mechanism 20.
In the above embodiment, the top of the flushed cylinder 140 is provided with an opening, and the flushed cylinder 140 further includes: the punched cover plate 144 covers the opening, and the punched piece 142 is arranged on the punched cover plate 144.
In this embodiment, replenishment and replacement of the filler is facilitated by providing an opening at the top of the flushed barrel 140; through receiving towards apron 144 lid and locating the opening part, can avoid when receiving the impact, outside the filler in the cavity was washed out and is washed a section of thick bamboo 140, can reduce the decrement of filler on the one hand, extension filler life, on the other hand can also avoid the high-speed spill of filler to user or other equipment departments to lead to the incident.
In the above embodiment, the impacted device 14 further comprises: and the buffer 146 is arranged at the bottom of the flushed cylinder 140.
In this embodiment, the bottom of the flushed barrel 140 is provided with the buffer 146, so that the impact energy received by the flushed barrel 140 is absorbed conveniently, the energy absorption and vibration reduction effects are achieved, the contact surface on which the flushed barrel 140 is placed, such as the ground, is protected, and the substance on the contact surface can be prevented from being broken by the impact energy and being splashed out, so that safety accidents are avoided.
Optionally, the buffer 146 includes at least one or a combination of rubber pad, plastic pad and cloth pad.
According to the impact performance testing device of a specific embodiment that this application provided, to the not enough of testing arrangement existence among the prior art, simplified the structure so that the dismouting to can simulate on-the-spot operating mode condition, be convenient for test the impact performance of the impact mechanism 20 of all kinds of different power.
The technical scheme of the specific embodiment is as follows:
the testing device comprises a vertically placed testing base 10 and a sliding mechanism 16 arranged on a vertical plate 100 of the testing base 10, wherein a tested impact mechanism 20 is arranged on the front surface of the sliding mechanism 16, and a propulsion oil cylinder serving as a driving mechanism 18 is arranged on the back surface of the sliding mechanism 16; a test tool 12 is installed on a drill bit shank of the impact mechanism 20, and a buffer cylinder serving as a punched device 14 is arranged below the test tool 12; the thrust cylinder pushes the sliding mechanism 16 and the tested impact mechanism 20 to act, so that the impact head 122 on the test tool 12 strikes the buffer cylinder.
The test base 10 comprises a vertical plate 100, an armrest 102, a step plate 104, a mounting armrest and the like, wherein the vertical plate 100 is used for mounting the sliding mechanism 16, the step plate 104 can facilitate workers to operate, and the armrest 102 is used for workers to climb and play a role in safety protection.
The sliding mechanism 16 includes a cylinder mounting seat 164, a first slider 160, a second slider 162, a screw, and a wear pad. The measured impact mechanism 20 is assembled on the first slider 160; the wear-resistant piece is arranged between the first sliding block 160 and the second sliding block 162, the first sliding block 160 and the second sliding block 162 are fixedly connected with the wear-resistant piece through screws, and the sliding mechanism 16 moves up and down along the vertical plate 100 of the test base 10; the first sliding block 160 and the second sliding block 162 are contacted through the wear-resistant piece, so that direct abrasion is avoided and replacement is convenient; the second slide block 162 is welded with a mounting seat 164 of the driving mechanism 18, and the propulsion cylinder or the driving mechanism 18 is connected with the mounting seat 164 of the driving mechanism 18 by a pin shaft to push the sliding mechanism 16 to move.
The washed device 14, such as the washed cylinder 140, is directly placed on the ground, the washed cylinder 140 is provided with a cavity, and the cavity is filled with sand; the receiving tube 140 further comprises a receiving member 142, a receiving cover plate 144 and a cylinder barrel, and the receiving member 14 is used for replacing rocks in field rock drilling and receiving impact force in the operation of the rock drilling machine. When the impact mechanism 20 works, the piston of the impact mechanism strikes the drill rod, the drill rod impacts the impacted part 142 of the buffer cylinder, and the impacted part 142 is provided with a groove 1200 serving as a guide groove to play a role in righting the drill rod; the impact force is dispersed and transmitted to the sand by the washed cover plate 144, so that the effects of buffering and absorbing vibration are realized; the bottom of the buffer cylinder is provided with a rubber pad, so that the rigid contact between the cylinder and the ground is avoided.
The test tool 12 comprises an impact test rod 120, an impact head 122, a torque connecting part 124, a base 126 and the like, wherein the impact test rod 120 and the impact head 122 are arranged on a shank of the tested impact mechanism 20, a strain gauge is attached in a groove 1200 of the impact test rod 120 for testing to obtain impact energy, and an acceleration sensor is arranged on the impact head 122 for detecting acceleration; a torque connecting part 124, a torque sensor and a base 126 are arranged on a shank of the measured impact mechanism 20, the base 126 is fixed with the base 10 through a torque testing rod 128, and the torque is measured through the torque sensor; the speed sensor will be placed directly next to the impact test bar 120 to measure the speed.
The impact mechanism 20 of the present embodiment mainly includes two major parts, namely, impact and rotation, and since the impact mechanism 20 applies impact energy to rock to provide a corresponding drill rod rotating torque when operating, it is necessary to detect parameters such as impact energy and torque, and the impact performance testing apparatus of the present embodiment can detect performance such as impact energy, torque, speed, acceleration, impact frequency, reliability, and the like. In order to solve the problem that a large amount of energy generated in the impact process cannot be absorbed, the impact cylinder 140 with fillers arranged inside is adopted to buffer and absorb vibration, and the high temperature hazard is avoided through water cooling and heat dissipation.
The following describes the technical solution of the present application with reference to the accompanying drawings.
As shown in fig. 1 and 2, the impact performance testing device of the present application includes a testing base 10, a sliding mechanism 16, a thrust cylinder as a driving mechanism 18, a receiving cylinder 140, a testing tool 12, and a matching hydraulic station, wherein an impact mechanism 20, such as a rock drill, is mounted on the base 10. The test base 10 comprises a vertical plate 100 fixed on the test base, a step plate 104, mounting handrails 102 and the like, wherein the two step plates 104 are welded on the right side of the test base 10, the mounting handrails 102 are respectively mounted on two sides of the test base 10, and a user directly steps on the step plate 104 and holds the handrails 102 for mounting; the vertical plate 100 is directly welded on the test base 10, the sliding mechanism 16 is installed on the vertical plate 100 of the test base 10, the measured impact mechanism 20 is installed on the front surface of the sliding mechanism 16, the back surface of the sliding mechanism 16 is connected with the driving mechanism 18, the driving mechanism 18 is a propulsion oil cylinder, a rod cavity of the propulsion oil cylinder is connected with the back surface of the sliding mechanism 16, and a rodless cavity of the propulsion oil cylinder is fixed on the test base 10. The rod cavity of the propulsion oil cylinder extends and retracts to push the sliding mechanism 16 and the tested impact mechanism 20 to move up and down to a certain position, and when the tested impact mechanism 20 works normally, the drill shank is connected with the test tool 12 to move down to strike the buffer cylinder.
As shown in fig. 3 and 4, the sliding mechanism 16 includes a cylinder mount 164, a first slider 160, a second slider 162, a screw, and a wear plate. The measured impact mechanism 20 is assembled on the first slide block 160, the wear-resistant piece is arranged between the first slide block 160 and the second slide block 162, the first slide block 160 and the second slide block 162 are fixedly connected with the wear-resistant piece through screws, and the sliding mechanism 16 moves up and down along the vertical plate 100 of the test base 10; the first sliding block 160 and the second sliding block 162 are contacted through the wear-resistant piece, so that direct abrasion is avoided and replacement is convenient; the first sliding block 160 is connected with the second sliding block 162 through threads, so that the assembly and disassembly are convenient; a driving mechanism 18 mounting seat 164 is welded on the second sliding block 162, and the propulsion oil cylinder or the driving mechanism 18 is connected with the driving mechanism 18 mounting seat 164 through a pin shaft to push the sliding mechanism 16 to move; two lifting lugs are welded on the first sliding block 160, so that the sliding mechanism 16 is convenient to transport and mount.
As shown in fig. 5, the buffered device 14 includes a buffered tube 140 and a buffer 146, the buffered tube 140 includes a buffered member 142, a buffered cover plate 144 and a cylinder, and the buffer 146 is a rubber pad and is disposed at the bottom of the buffered tube 140. The washed cylinder 140 is filled with sand (or fillers such as asphalt, gravel and the like), and the washed cover plate 144 and the washed part 142 are directly placed on the sand; when the impact mechanism 20 works, the impact mechanism directly strikes the impacted part 142 first, the guide groove on the impacted part 142 plays a certain role in supporting the drill rod, the acting force is transmitted to sand through the impact cover plate 144, the rubber pad below the impacted cylinder 140 has a certain damping effect, and water is sprayed to the impacted cylinder 140 at regular time to dissipate heat during a test.
As shown in fig. 6 and 7, the test fixture 12 includes an impact test rod 120, an impact head 122, or a torque connection 124, a base 126, and a torque test rod 128. When testing impact energy, an impact testing rod 120 is arranged on a drill shank of the tested rock drill, strain gauges are attached to four grooves 1200 which are distributed in the circumferential direction of the impact testing rod 120, and the impact energy is tested through strain generated in the drill shank after impact; when the acceleration is tested, the acceleration sensor and the impact head 122 are fixed through threads, and the result can be directly measured by the acceleration sensor; when detecting the torque, a torque connecting part 124 is arranged on a shank of the rock drill to be detected, a torque sensor is connected with the torque connecting part 124 and a base 126, and the base 126 is fixed with the test base 10 through a torque test rod 128; the speed of rotation of the striking mechanism 20 is expressed in revolutions per minute of the drill rod, and when the speed of rotation is measured, a speed sensor is placed directly next to the shank of the striking mechanism 20 to be measured. The performance test method is carried out according to the performance test method of the rock drilling machine and the pneumatic tool in the national standard GB/T5621-2008, and the pressure and the test time required by the test are executed according to the reliability test standard of the hydraulic rock drilling machine.
The specific embodiment of the application has the following beneficial effects:
1) the rock drilling process of the hydraulic rock drill under the on-site working condition can be simulated, and the problem that the hydraulic rock drill product is difficult to test on a construction site is solved;
2) the structure is simple, the assembly and disassembly are convenient, the rock drills with different models, different powers and different types can be tested, and the performance research of the impact mechanism is played an important role;
3) the impact performance testing device can detect various performances of various rock drills such as impact energy, torque, speed, impact frequency, reliability and the like, and can calibrate parameters of the rock drills;
4) the impact performance testing device of the embodiment has the advantages of simple structure, stable and reliable work, simple operation and use, convenient maintenance, strong anti-interference capability, good working environment when being placed in a sound-proof room, and capability of meeting the requirements of the current rock drill operation test by combining with corresponding test specifications;
5) the labor intensity is greatly reduced, the operation environment is improved, more comprehensive information of the quality and the performance of the rock drill can be mastered at any time, real-time effective management and improvement on the quality and the performance of the rock drill are facilitated, the product quality of the rock drill is ensured, and the stability and the reliability of the work of products are improved.
The technical scheme of the invention is described in detail in the above with reference to the attached drawings, through the technical scheme of the invention, a plurality of impact performance parameters of the impact mechanism can be directly detected, the accuracy and the reliability of detection are improved, the impact-receiving device can absorb impact energy, and the reaction force to the impact mechanism is reduced, so that the probability of damage of the impact mechanism is reduced, and the impact-receiving device has a simple structure, is easy to produce and assemble, and can be repeatedly used.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A test apparatus for testing the impact performance of an impact mechanism, comprising:
the impact mechanism comprises a base, wherein one end of the base is used for mounting the impact mechanism;
the testing tool is used for connecting the impact mechanism and is also used for installing a sensor;
the impact receiving device is arranged at the other end of the base and is used for bearing the impact of the impact mechanism;
the impact mechanism drives the test tool to impact the impacted device, and the impact performance of the impact mechanism is detected through a sensor arranged on the test tool;
the test fixture comprises:
the torque connecting part is used for connecting one end of the impact mechanism;
the base is arranged at the other end of the torque connecting part and used for mounting a torque sensor;
the torque testing rod is connected with the base and is used for connecting the base and the base;
the device that receives comprises: the punching cylinder is internally provided with a cavity, and the cavity is internally provided with filler;
the flushed cartridge comprises:
the impacted part is arranged at the top of the impacted cylinder to bear the impact of the impact mechanism;
and a guide groove is formed in the top of the punched part and used for guiding the impact mechanism.
2. The test device of claim 1,
the sensor at least comprises one or more of a torque sensor, a strain gauge, an acceleration sensor and a speed sensor.
3. The test device of claim 2,
the test fixture comprises:
one end of the impact testing rod is connected with the impact mechanism;
the impact head is detachably connected with the other end of the impact testing rod, the impact testing rod is used for transmitting impact energy of the impact mechanism to the impact receiving device through the impact head, and the cross sectional area of the impact head is larger than that of the impact testing rod.
4. The test device of claim 3,
the impact testing rod is provided with a plurality of grooves, and the grooves are used for mounting the strain gauges.
5. The testing device of any of claims 1-4, further comprising:
the sliding mechanism is arranged at one end of the base, is connected with the base in a sliding manner and is used for mounting the impact mechanism;
and the driving mechanism is connected with the sliding mechanism and drives the sliding mechanism to drive the impact mechanism to move.
6. The test device of claim 5,
the base is provided with an upper part and a lower part which are adjacent, the base further comprises a vertical plate, the vertical plate is arranged on the upper part, the punching device is arranged on the lower part, and the sliding mechanism is connected with the vertical plate in a sliding mode and can slide in a reciprocating mode in the directions of the upper part and the lower part along the vertical plate.
7. The test device of claim 6,
the slide mechanism includes:
the first sliding block is connected with the vertical plate in a sliding manner and is used for mounting the impact mechanism;
and the second sliding block is fixedly connected with the first sliding block, and a driving mechanism mounting seat is arranged on the second sliding block so as to mount the driving mechanism.
8. The test device of claim 7,
the sliding mechanism further includes: and the wear-resistant plate is arranged between the first sliding block and the second sliding block.
9. The test device of claim 5,
the driving mechanism comprises any one of an oil cylinder, an air cylinder and an electric cylinder.
10. The test device of claim 1,
the top of receiving towards a section of thick bamboo is equipped with the opening, receive towards a section of thick bamboo still includes:
and the punched cover plate is covered on the opening, and the punched piece is arranged on the punched cover plate.
11. The test device of claim 1,
the device that receives the dashes still includes:
and the buffer piece is arranged at the bottom of the flushed cylinder.
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| CN112814971B (en) * | 2020-12-29 | 2023-05-23 | 常德市鼎城区联友机械有限公司 | Hydraulic cylinder experiment platform |
| CN112946324A (en) * | 2021-02-18 | 2021-06-11 | 深圳市环测威检测技术有限公司 | Withstand voltage test device of mechanical electrical equipment |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201680981U (en) * | 2010-03-05 | 2010-12-22 | 广东工业大学 | Impact property testing unit of rock drilling impactor |
| CN102252817A (en) * | 2010-04-20 | 2011-11-23 | 刘光镐 | Shock device and safety cap shock test machine |
| CN103926045A (en) * | 2014-04-17 | 2014-07-16 | 合肥安达数控技术有限责任公司 | Automobile transmission shaft impact performance test rig |
| CN204439319U (en) * | 2015-02-01 | 2015-07-01 | 山东科技大学 | Consider the anchor pole shock resistance test macro of interaction between support-surrounding rock |
| CN105387987A (en) * | 2015-12-11 | 2016-03-09 | 苏州市华测检测技术有限公司 | Manual high-frequency mechanical impact test apparatus |
| CN205209754U (en) * | 2015-11-27 | 2016-05-04 | 衢州市质量技术监督检测中心 | A energy absorber for rock drill impact capability test |
| CN105973729A (en) * | 2016-07-14 | 2016-09-28 | 上海核工程研究设计院 | Magnetic separator impact experiment testing device |
| CN106568659A (en) * | 2015-10-10 | 2017-04-19 | 中国科学院深圳先进技术研究院 | Impact testing apparatus |
| CN206132344U (en) * | 2016-10-26 | 2017-04-26 | 上海工程技术大学 | A device for determining resistant impact characteristic of accurate device under high acceleration shock environment |
| CN206531625U (en) * | 2017-03-01 | 2017-09-29 | 山东科技大学 | A kind of buffer comprehensive performance testing system |
| CN107543734A (en) * | 2017-08-17 | 2018-01-05 | 张日龙 | A kind of test system and its method of testing of hydraulic gate performance |
| CN108680328A (en) * | 2018-07-24 | 2018-10-19 | 中北大学 | A kind of multi-functional thump simulation test device and method |
| CN210571278U (en) * | 2019-10-09 | 2020-05-19 | 中国铁建重工集团股份有限公司 | Testing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327429Y (en) * | 2008-12-29 | 2009-10-14 | 襄樊达安汽车检测中心 | Impulsive torque test device |
| CN101776535A (en) * | 2010-03-05 | 2010-07-14 | 广东工业大学 | Impact property detection device of rock drilling impacter and detecting method thereof |
| CN107143537B (en) * | 2017-05-19 | 2018-07-06 | 湖南文理学院 | A kind of hydraulic gate test hydraulic system |
| CN209326947U (en) * | 2018-08-22 | 2019-08-30 | 金华尤创自动化科技有限公司 | The dedicated performance test all automatic testing machine of electric hammer |
-
2019
- 2019-10-09 CN CN201910952442.9A patent/CN110631796B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201680981U (en) * | 2010-03-05 | 2010-12-22 | 广东工业大学 | Impact property testing unit of rock drilling impactor |
| CN102252817A (en) * | 2010-04-20 | 2011-11-23 | 刘光镐 | Shock device and safety cap shock test machine |
| CN103926045A (en) * | 2014-04-17 | 2014-07-16 | 合肥安达数控技术有限责任公司 | Automobile transmission shaft impact performance test rig |
| CN204439319U (en) * | 2015-02-01 | 2015-07-01 | 山东科技大学 | Consider the anchor pole shock resistance test macro of interaction between support-surrounding rock |
| CN106568659A (en) * | 2015-10-10 | 2017-04-19 | 中国科学院深圳先进技术研究院 | Impact testing apparatus |
| CN205209754U (en) * | 2015-11-27 | 2016-05-04 | 衢州市质量技术监督检测中心 | A energy absorber for rock drill impact capability test |
| CN105387987A (en) * | 2015-12-11 | 2016-03-09 | 苏州市华测检测技术有限公司 | Manual high-frequency mechanical impact test apparatus |
| CN105973729A (en) * | 2016-07-14 | 2016-09-28 | 上海核工程研究设计院 | Magnetic separator impact experiment testing device |
| CN206132344U (en) * | 2016-10-26 | 2017-04-26 | 上海工程技术大学 | A device for determining resistant impact characteristic of accurate device under high acceleration shock environment |
| CN206531625U (en) * | 2017-03-01 | 2017-09-29 | 山东科技大学 | A kind of buffer comprehensive performance testing system |
| CN107543734A (en) * | 2017-08-17 | 2018-01-05 | 张日龙 | A kind of test system and its method of testing of hydraulic gate performance |
| CN108680328A (en) * | 2018-07-24 | 2018-10-19 | 中北大学 | A kind of multi-functional thump simulation test device and method |
| CN210571278U (en) * | 2019-10-09 | 2020-05-19 | 中国铁建重工集团股份有限公司 | Testing device |
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