CN116609205B - Bending and compression testing machine - Google Patents
Bending and compression testing machine Download PDFInfo
- Publication number
- CN116609205B CN116609205B CN202310868472.8A CN202310868472A CN116609205B CN 116609205 B CN116609205 B CN 116609205B CN 202310868472 A CN202310868472 A CN 202310868472A CN 116609205 B CN116609205 B CN 116609205B
- Authority
- CN
- China
- Prior art keywords
- plate
- sliding
- fixed
- test
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application is suitable for the field of fracture-resistant compression test instruments, and provides a fracture-resistant compression test machine, which comprises a bottom plate, wherein guide posts are fixed at four corners of the bottom plate, the tail ends of the four guide posts are fixed on the same top plate, a sliding plate is connected onto the guide posts in a sliding manner, a hydraulic cylinder is fixed on the top plate, and the telescopic end of the hydraulic cylinder is fixed on the sliding plate, and the fracture-resistant compression test machine further comprises: tension spring, test module, anti-compression mode switching module, clamping transmission mechanism and T shape grip block reverse movement restriction subassembly. The clamping transmission mechanism can control the T-shaped clamping plate to move in the concave plate and fix the test block by the mode of downward movement of the sliding plate through the bending and compression mode switching assembly, and the test block is extruded and tested by the test assembly.
Description
Technical Field
The application belongs to the field of fracture-resistant compression test instruments, and particularly relates to a fracture-resistant compression test machine.
Background
The fracture and compression testing machine is mainly used for testing the fracture strength and the compression strength of cement and other nonmetallic materials.
The utility model discloses a compressive strength testing machine of CN 217981077U that number of existing publication is, when needs carry out compressive strength test to the cement piece, can place the cement piece in compressive test device, be convenient for carry out compressive testing, when the cement piece breaks, compressive test device stop work, accessible display screen observe numerical value, when needs carry out compressive strength test to the cement piece, utilize motor drive bi-directional screw to rotate, can drive the adapter sleeve and remove on bi-directional screw and horizontal pole when bi-directional screw rotates, be convenient for place the cement piece of different length, when carrying out compressive strength test of cement piece, utilize the handle pulling pull rod to remove, can drive the cardboard and slide on the connecting rod when the pull rod removes, squeeze the spring simultaneously, install the cement piece in place open-ended inside, unclamp the handle simultaneously, when receiving the effort of spring, the spring promotes the cardboard and carries out chucking and fixed to the cement piece, open the actuating cylinder simultaneously, actuating cylinder drives the holding down plate and the contact of cement piece, can push down.
In the method, although the compression-resistant and bending-resistant test can be realized, two independent compression-resistant devices and bending-resistant devices are arranged, the compression-resistant devices and the bending-resistant devices are mutually independent, so that the compression-resistant and bending-resistant testing machine is large in size, and when compression-resistant and bending-resistant tests are carried out, the test blocks are not fixed, when the test blocks are stressed unevenly, the test blocks have the risk of sliding in the horizontal direction, and the test blocks sliding out to the periphery are easy to damage equipment or injure operators, so that the safety risk exists.
Disclosure of Invention
The embodiment of the application aims to provide a bending and compression resistant testing machine, which aims to solve the problems that when a test block is stressed unevenly, the test block has the risk of sliding in the horizontal direction, and the test block sliding out to the periphery easily damages equipment or hurts operators, and has safety risk.
The application is realized in such a way, a bending and compression resistant testing machine comprises a bottom plate, guide posts are fixed at four corners of the bottom plate, the tail ends of the four guide posts are fixed on the same top plate, a sliding plate is connected to the guide posts in a sliding way, a hydraulic cylinder is fixed on the top plate, and the telescopic end of the hydraulic cylinder is fixed on the sliding plate, and the machine further comprises: the device comprises a tension spring, a testing assembly, a bending and compression resistant mode switching assembly, a clamping transmission mechanism and a T-shaped clamping plate reverse movement limiting assembly; the guide post is connected with a supporting plate in a sliding manner, two first sliding grooves are symmetrically formed in the supporting plate, first sliding plates are connected onto the two first sliding grooves in a sliding manner, and second sliding grooves are formed in the two first sliding plates; two fixing plates are fixed on the sliding plate, two first guide shafts are fixed on the two fixing plates, a sliding block is connected to the first guide shafts in a sliding mode, and a concave plate is connected to the sliding block in a rotating mode; the concave plate is connected with a T-shaped clamping plate in a sliding manner, a second guide shaft is fixed on the T-shaped clamping plate and is connected with the concave plate in a sliding manner, and two ends of the tension spring are respectively connected with the concave plate and the tail ends of the second guide shaft; the test assembly is arranged on the sliding plate and is used for extruding and testing the test block; the bending and compression resistant mode switching component is arranged on the sliding plate or the supporting plate and is used for switching two experimental modes of bending resistance and compression resistance; the clamping transmission mechanism is arranged on the top plate, and controls the T-shaped clamping plate to move in the concave plate and fix the test block in a mode that the sliding plate moves downwards; the T-shaped clamping plate reverse movement limiting assembly is arranged on the concave plate, and the T-shaped clamping plate reverse movement limiting assembly keeps stable clamping of the test block in a mode of limiting reverse movement of the T-shaped clamping plate.
Further technical scheme, test assembly is including installation slider, pressure sensor, connecting axle and anti-bending test axle, be provided with the installation spout on the sliding plate, installation slider sliding connection is on the installation spout, pressure sensor sets up in the installation spout, be fixed with the connecting axle on the installation slider, the end of connecting axle is fixed with the resistance to compression test piece, be provided with first groove of dodging on the resistance to compression test piece, first dodging the inslot and be provided with anti-bending test axle.
Further technical scheme, be fixed with the thread bush on the resistance to compression test piece, threaded connection has the screw thread axle on the thread bush, the one end of screw thread axle is fixed with the knob, the other end and the anti test axle of rolling over of screw thread axle are connected, be fixed with the guide bar on the anti test axle of rolling over, guide bar and resistance to compression test piece sliding connection.
Further technical scheme, the resistance to compression mode switching assembly that rolls over includes first pressure spring, fixed cover and telescopic link, the both ends of first pressure spring are connected with bottom plate and layer board respectively, be provided with the third spout on the bottom plate, sliding connection has first supporting shoe on the third spout, be fixed with the second supporting shoe on the layer board, be fixed with fixed cover on the sliding plate, sliding connection has the telescopic link on the fixed cover, threaded connection has the bolt on the fixed cover, and the end of bolt supports the telescopic link.
Further technical scheme, centre gripping drive mechanism includes push pedal, push rod, first directive wheel, second directive wheel and elasticity stay cord, the push pedal is fixed on the sliding plate, be provided with first inclined pushing surface on the sliding block, be provided with on the push pedal with first inclined pushing surface complex second inclined pushing surface, be provided with fourth inclined pushing surface on the layer board, be provided with on the push pedal with fourth inclined pushing surface complex third inclined pushing surface, be provided with the second pressure spring in the first spout, the both ends of second pressure spring are connected with the lateral wall of first slide and the inner wall of first spout respectively, be provided with the fourth spout on the concave plate, push rod sliding connection is on the fourth spout, be fixed with first mounting groove on the push rod, first directive wheel and second directive wheel all rotate to be connected on the concave plate, the one end of elasticity stay cord is fixed on first mounting groove inner wall, the other end of elasticity stay cord walks around second directive wheel and first directive wheel and is connected with T shape grip block.
According to a further technical scheme, the first inclined pushing surface is inlaid with a magnetic strip, and the magnetic strip and the pushing plate are mutually attracted.
Further technical scheme, reverse removal restriction subassembly of T shape grip block includes ratchet bar, direction slider, meshing tooth, third pressure spring and button, be provided with the second mounting groove on the T shape grip block, the ratchet bar is fixed on the second mounting groove, be provided with the direction spout on the concave plate, direction slider sliding connection is on the direction spout, the both ends of direction slider are connected with meshing tooth and third pressure spring respectively, and meshing tooth and ratchet bar cooperation, be provided with the third on the direction slider and dodge the groove, be provided with the inclined plane on the third dodge the groove, sliding connection has the button on the concave plate, and button and inclined plane sliding fit.
According to the bending and compression resistant testing machine provided by the embodiment of the application, the bending and compression resistant mode switching component is used for switching between two experimental modes of bending and compression resistance, the test block is placed on the supporting plate, the hydraulic cylinder drives the sliding plate to move downwards, the clamping transmission mechanism can control the T-shaped clamping plate to move in the concave plate and fix the test block in a mode of moving downwards through the sliding plate, then the sliding plate drives the test component to move downwards, the test block is extruded and tested by the test component, when pressure is applied to the test block by clamping the test block, the test block can be prevented from moving, the test precision and the safety of the test block are improved, and the test machine can be switched between the compression and bending resistant test modes, so that one device can be used for two tests of compression resistance and compression resistance, and the compatibility of the device is improved.
Drawings
FIG. 1 is a schematic structural view of a bending and compression testing machine according to an embodiment of the present application;
FIG. 2 is a schematic structural view of the pallet in FIG. 1 according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of the slider of FIG. 1 according to an embodiment of the present application;
FIG. 4 is a schematic diagram of the test assembly of FIG. 1 according to an embodiment of the present application;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A according to an embodiment of the present application;
FIG. 6 is an enlarged schematic view of structure B in FIG. 1 according to an embodiment of the present application;
fig. 7 is an enlarged schematic view of the structure of C in fig. 6 according to an embodiment of the present application.
In the accompanying drawings: base plate 101, guide post 102, top plate 103, slide plate 104, hydraulic cylinder 105, pallet 106, first slide slot 107, first slide plate 108, second slide slot 109, fixed plate 110, first guide shaft 111, slide block 112, recess plate 113, T-shaped clamp plate 114, second guide shaft 115, tension spring 116, test assembly 2, mounting slide slot 201, mounting slide 202, pressure sensor 203, connecting shaft 204, compression test block 205, first escape slot 206, compression test shaft 207, threaded sleeve 208, threaded shaft 209, knob 210, guide rod 211, compression mode switching assembly 3, first compression spring 301, third slide slot 302, first support block 303, second support block 304, fixed sleeve 305, telescoping rod 306, bolt 307, clamp transmission 4, push plate 401, first ramp 403, second ramp 404, magnetic stripe 405, third ramp 501, fourth ramp 502, second compression spring 503, second escape slot 504, fourth slide slot 601, push rod 602, first wheel mounting slot 603, first rotation wheel 604, second rotation spring 605, second rotation slide 605, compression spring 605, rotation rack 605, compression spring 706, compression mode switching assembly 706, slide slot 707, and slide slot engagement.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Specific implementations of the application are described in detail below in connection with specific embodiments.
As shown in fig. 1, fig. 2, fig. 3 and fig. 6, the bending and compression resistant testing machine provided by an embodiment of the present application includes a bottom plate 101, guide posts 102 are fixed at four corners of the bottom plate 101, the ends of the four guide posts 102 are fixed on the same top plate 103, the guide posts 102 are slidably connected with a sliding plate 104, a hydraulic cylinder 105 is fixed on the top plate 103, and a telescopic end of the hydraulic cylinder 105 is fixed on the sliding plate 104, and further includes: the tension spring 116, the testing component 2, the bending and compression resistant mode switching component 3, the clamping transmission mechanism 4 and the T-shaped clamping plate reverse movement limiting component 7; the guide post 102 is slidably connected with a supporting plate 106, two first sliding grooves 107 are symmetrically formed in the supporting plate 106, first sliding plates 108 are slidably connected to the two first sliding grooves 107, and second sliding grooves 109 are formed in the two first sliding plates 108; two fixing plates 110 are fixed on the sliding plate 104, two first guide shafts 111 are fixed on the two fixing plates 110, sliding blocks 112 are connected to the first guide shafts 111 in a sliding manner, and concave plates 113 are connected to the sliding blocks 112 in a rotating manner; the concave plate 113 is slidably connected with a T-shaped clamping plate 114, a second guide shaft 115 is fixed on the T-shaped clamping plate 114, the second guide shaft 115 is slidably connected to the concave plate 113, and two ends of the tension spring 116 are respectively connected with the concave plate 113 and the tail ends of the second guide shaft 115; the test assembly 2 is arranged on the sliding plate 104, and the test assembly 2 is used for extruding and testing a test block; the bending and compression resistant mode switching component 3 is arranged on the sliding plate 104 or the supporting plate 106, and the bending and compression resistant mode switching component 3 is used for switching two experimental modes of bending resistance and compression resistance; the clamping transmission mechanism 4 is arranged on the top plate 103, and the clamping transmission mechanism 4 controls the T-shaped clamping plate 114 to move in the concave plate 113 in a downward moving mode of the sliding plate 104 and fixes the test block; the T-shaped clamping plate reverse movement limiting assembly 7 is arranged on the concave plate 113, and the T-shaped clamping plate reverse movement limiting assembly 7 maintains stable clamping of the test block by limiting reverse movement of the T-shaped clamping plate 114.
In the embodiment of the application, when the test block is used, the bending resistance and compression resistance experiment modes are switched by the bending resistance and compression resistance mode switching component 3, the test block is placed on the supporting plate 106, the hydraulic cylinder 105 drives the sliding plate 104 to move downwards, the clamping transmission mechanism 4 can control the T-shaped clamping plate 114 to move in the concave plate 113 and fix the test block in a mode of moving downwards through the sliding plate 104, then the sliding plate 104 drives the test component 2 to move downwards, and the test component 2 extrudes and tests the test block.
As shown in fig. 1 and fig. 4, as a preferred embodiment of the present application, the test assembly 2 includes a mounting sliding block 202, a pressure sensor 203, a connecting shaft 204 and an anti-bending test shaft 207, a mounting sliding chute 201 is provided on the sliding plate 104, the mounting sliding block 202 is slidably connected to the mounting sliding chute 201, the pressure sensor 203 is provided in the mounting sliding chute 201, the connecting shaft 204 is fixed on the mounting sliding block 202, a compression-resistant test block 205 is fixed at the end of the connecting shaft 204, a first avoiding groove 206 is provided on the compression-resistant test block 205, and an anti-bending test shaft 207 is provided in the first avoiding groove 206;
the compression-resistant test block 205 is fixedly provided with a threaded sleeve 208, the threaded sleeve 208 is connected with a threaded shaft 209 in a threaded manner, one end of the threaded shaft 209 is fixedly provided with a knob 210, the other end of the threaded shaft 209 is connected with an anti-fracture test shaft 207, the anti-fracture test shaft 207 is fixedly provided with a guide rod 211, and the guide rod 211 is slidably connected with the compression-resistant test block 205.
In the embodiment of the application, when the anti-bending test is performed, the knob 210 is turned, the knob 210 drives the threaded shaft 209 to rotate, and the threaded shaft 209 drives the anti-bending test shaft 207 to move downwards through the threaded fit with the threaded sleeve 208, so that the anti-bending test shaft 207 extends out of the first avoiding groove 206.
As shown in fig. 1, as a preferred embodiment of the present application, the buckling and compression mode switching assembly 3 includes a first compression spring 301, a fixing sleeve 305, and a telescopic rod 306, two ends of the first compression spring 301 are respectively connected with the base plate 101 and the supporting plate 106, a third sliding groove 302 is disposed on the base plate 101, a first supporting block 303 is slidably connected to the third sliding groove 302, a second supporting block 304 is fixed to the supporting plate 106, a fixing sleeve 305 is fixed to the sliding plate 104, a telescopic rod 306 is slidably connected to the fixing sleeve 305, a bolt 307 is screwed to the fixing sleeve 305, and an end of the bolt 307 abuts against the telescopic rod 306.
In the embodiment of the present application, if the compression test is performed, the bolt 307 is loosened, the telescopic rod 306 is retracted into the fixing sleeve 305, then the bolt 307 is screwed, the telescopic rod 306 is restricted to move relative to the fixing sleeve 305, the telescopic rod 306 is further stored, the first supporting block 303 is moved to the lower part of the second supporting block 304, and the supporting plate 106 cannot move downwards; if the anti-folding test is performed, the bolt 307 is loosened, the telescopic rod 306 extends out of the fixing sleeve 305, then the bolt 307 is screwed down, the telescopic rod 306 is limited to move relative to the fixing sleeve 305, then the telescopic rod 306 extends out, the first supporting block 303 is moved to a position which does not coincide with the vertical projection of the second supporting block 304 (namely, the first supporting block 303 does not obstruct the downward movement of the second supporting block 304), the telescopic rod 306 can overcome the elastic force of the first pressure spring 301 and push the supporting plate 106 to move downwards, after the supporting plate 106 moves downwards, the supporting plate 106 is not contacted with the test block and the concave plate 113, at this time, the test block is suspended by the concave plates 113 at two ends, the anti-folding test shaft 207 performs the anti-folding test on the test block, and the pressure value is obtained by the pressure sensor 203.
As shown in fig. 1, 2, 3 and 6, as a preferred embodiment of the present application, the clamping transmission mechanism 4 includes a push plate 401, a push rod 602, a first steering wheel 604, a second steering wheel 605 and an elastic pull rope 606, where the push plate 401 is fixed on the sliding plate 104, a first inclined pushing surface 403 is provided on the sliding block 112, a second inclined pushing surface 404 matched with the first inclined pushing surface 403 is provided on the push plate 401, a fourth inclined pushing surface 502 is provided on the supporting plate 106, a third inclined pushing surface 501 matched with the fourth inclined pushing surface 502 is provided on the push plate 401, a second compression spring 503 is provided in the first sliding groove 107, two ends of the second compression spring 503 are respectively connected with a side wall of the first sliding plate 108 and an inner wall of the first sliding groove 107, a fourth sliding groove 601 is provided on the concave plate 113, the push rod 602 is fixedly provided with a first mounting groove 603, the first steering wheel 604 and the second steering wheel 605 are rotatably connected with the second sliding plate 602, and the second compression spring 605 is rotatably connected with the first sliding plate 107 and bypasses the first sliding groove 107, and the other end of the elastic pull rope 107 is fixedly connected with the first steering wheel 605 and the second end of the elastic pull rope 114.
In the embodiment of the application, the supporting plate 106 is provided with the second avoiding groove 504, the second avoiding groove 504 is used for avoiding the pushing plate 401, the sliding plate 104 drives the pushing plate 401 to move downwards, the second inclined pushing surface 404 on the pushing plate 401 firstly pushes the first inclined pushing surface 403, the first inclined pushing surface 403 drives the sliding block 112 to move towards the direction of the test block, the sliding block 112 drives the concave plate 113 to move towards the direction of the test block along the second sliding groove 109, the end part of the test block is positioned in the concave plate 113, then the third inclined pushing surface 501 on the pushing plate 401 pushes the fourth inclined pushing surface 502, the fourth inclined pushing surface 502 drives the first sliding plate 108 to be far away from the test block, at this time, the side wall of the second sliding groove 109 on the first sliding plate 108 extrudes the pushing rod 602, so that after the pushing rod 602 is retracted into the fourth sliding groove 601, one end elastic pull rope 606 pulled by the pushing rod 602 can pull the T-shaped clamping plate 114 downwards after the other end of the elastic pull rope 606 passes through the second steering wheel 605 and the first steering wheel 604, and then the T-shaped clamping plate 114 is driven to clamp and fix the test block by the concave plate 113, if the fourth inclined clamping plate 502 is matched with the concave plate 113, and then the test block 205 is pressed by the test block 203, and the compression-resistant pressure sensor is obtained; if the test is an anti-bending test, the telescopic rod 306 overcomes the elasticity of the first pressure spring 301 and drives the supporting plate 106 to move downwards, so that the supporting plate 106 is not contacted with the test block and the concave plates 113, at this time, the test block is suspended through the concave plates 113 at the two ends, the anti-bending test shaft 207 carries out the anti-bending test on the test block, and the pressure value is obtained through the pressure sensor 203.
As shown in fig. 1 and 3, as a preferred embodiment of the present application, the first inclined pushing surface 403 is embedded with a magnetic strip 405, and the magnetic strip 405 and the pushing plate 401 attract each other.
In the embodiment of the present application, when the pushing plate 401 moves upwards, the pushing plate 401 can drive the sliding block 112 to move reversely and reset by the attraction force with the magnetic stripe 405.
As shown in fig. 1, 6 and 7, as a preferred embodiment of the present application, the T-shaped clamping plate reverse movement limiting assembly 7 includes a ratchet bar 702, a guide slider 704, an engagement tooth 705, a third pressure spring 706 and a button 709, a second mounting groove 701 is provided on the T-shaped clamping plate 114, the ratchet bar 702 is fixed on the second mounting groove 701, a guide sliding groove 703 is provided on the concave plate 113, the guide slider 704 is slidably connected on the guide sliding groove 703, two ends of the guide slider 704 are respectively connected with the engagement tooth 705 and the third pressure spring 706, the engagement tooth 705 is matched with the ratchet bar 702, a third avoidance groove 707 is provided on the guide slider 704, an inclined surface 708 is provided on the third avoidance groove 707, a button 709 is slidably connected on the concave plate 113, and the button 709 is slidably matched with the inclined surface 708.
In the embodiment of the application, the third pressure spring 706 pushes the guide slide block 704, the guide slide block 704 drives the meshing teeth 705 to mesh with the ratchet bar 702, so that the ratchet bar 702 is limited to move upwards, and the ratchet bar 702 is limited to move upwards by the T-shaped clamping plate 114, so that the stable clamping of the T-shaped clamping plate 114 and the inner wall of the concave plate 113 to the test block is ensured; when the test block needs to be loosened, the button 709 is pressed, the button 709 pushes the inclined surface 708, the inclined surface 708 overcomes the elastic force of the third pressure spring 706 and drives the guide sliding block 704 to move reversely, the guide sliding block 704 drives the engagement teeth 705 not to engage with the ratchet bar 702, the tension spring 116 drives the second guide shaft 115 to move upwards, and the second guide shaft 115 drives the T-shaped clamping plate 114 to move upwards, so that the T-shaped clamping plate 114 and the concave plate 113 loosen the test block.
In the above embodiment of the present application, if the compression test is performed, the bolt 307 is loosened, the telescopic rod 306 is retracted into the fixing sleeve 305, then the bolt 307 is screwed, the telescopic rod 306 is restricted from moving relative to the fixing sleeve 305, and the telescopic rod 306 is further stored, and the first supporting block 303 is moved to the lower part of the second supporting block 304, so that the supporting plate 106 cannot move downwards; if an anti-bending test is performed, loosening the bolt 307, stretching the telescopic rod 306 out of the fixed sleeve 305, screwing down the bolt 307, limiting the telescopic rod 306 to move relative to the fixed sleeve 305, further stretching the telescopic rod 306, switching two experimental modes of anti-bending and compression resistance, placing the test block on the supporting plate 106, driving the sliding plate 104 to move downwards by the hydraulic cylinder 105, driving the push plate 401 to move downwards by the sliding plate 104, driving the second inclined push surface 404 on the push plate 401 to push the first inclined push surface 403 firstly, driving the sliding block 112 to move towards the test block by the first inclined push surface 403, driving the concave plate 113 to move towards the test block along the second sliding groove 109, further limiting the end of the test block to be positioned in the concave plate 113, then driving the third inclined push surface 501 on the push plate 401 to push the fourth inclined push surface 502, driving the first sliding plate 108 to move away from the test block, at this moment, driving the side wall 602 of the second sliding groove 109 to squeeze the push rod 602 into the fourth sliding groove 601, driving one end of the elastic pull rope 606, driving the other end of the elastic pull rope 606 to push the elastic pull rope 606 to push the first inclined push plate 403 to move towards the test block through the second sliding groove 109 to the direction of the test block, and then driving the second sliding plate 203 to move towards the test block 114, and then driving the third inclined push plate 704 to move towards the test block 704 to engage with the test bar 114, thereby limiting the pressure sensor 114, and then driving the test block 702 to move towards the test block 114 to move towards the pressure sensor 114, thereby limiting the pressure sensor 114, and then driving the pressure bar 702 to move towards the test block 114, and then to move towards the pressure sensor 114, thereby limiting the pressure sensor 114, and then driving the pressure-resistant plate 702 to move towards the test plate 114 to move towards the test plate; if the test is a bending test, the knob 210 is rotated in advance, the knob 210 drives the threaded shaft 209 to rotate, the threaded shaft 209 drives the bending test shaft 207 to move downwards through the threaded fit with the threaded sleeve 208, so that the bending test shaft 207 extends out of the first avoidance groove 206, after the test block is fixed, the telescopic rod 306 overcomes the elastic force of the first pressure spring 301 and drives the supporting plate 106 to move downwards, so that the supporting plate 106 is not contacted with the test block and the concave plate 113, at the moment, the test block is suspended by the concave plates 113 at the two ends, the bending test shaft 207 carries out the bending test on the test block, and the pressure value is acquired by the pressure sensor 203.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (2)
1. The utility model provides an anti compression testing machine that rolls over, includes the bottom plate, four corners of bottom plate all are fixed with the guide post, four the end of guide post is fixed on same roof, sliding connection has the sliding plate on the guide post, be fixed with the pneumatic cylinder on the roof, the telescopic link of pneumatic cylinder is fixed on the sliding plate, its characterized in that still includes:
the device comprises a tension spring, a testing assembly, a bending and compression resistant mode switching assembly, a clamping transmission mechanism and a T-shaped clamping plate reverse movement limiting assembly;
the guide post is connected with a supporting plate in a sliding manner, two first sliding grooves are symmetrically formed in the supporting plate, first sliding plates are connected onto the two first sliding grooves in a sliding manner, and second sliding grooves are formed in the two first sliding plates;
two fixing plates are fixed on the sliding plate, two first guide shafts are fixed on the two fixing plates, a sliding block is connected to the first guide shafts in a sliding mode, and a concave plate is connected to the sliding block in a rotating mode;
the concave plate is connected with a T-shaped clamping plate in a sliding manner, a second guide shaft is fixed on the T-shaped clamping plate and is connected with the concave plate in a sliding manner, and two ends of the tension spring are respectively connected with the concave plate and the tail ends of the second guide shaft;
the test assembly is arranged on the sliding plate and is used for extruding and testing the test block;
the bending and compression resistant mode switching component is arranged on the sliding plate or the supporting plate and is used for switching two experimental modes of bending resistance and compression resistance;
the clamping transmission mechanism is arranged on the top plate, and controls the T-shaped clamping plate to move in the concave plate and fix the test block in a mode that the sliding plate moves downwards;
the T-shaped clamping plate reverse movement limiting assembly is arranged on the concave plate and is used for keeping stable clamping of the test block in a mode of limiting reverse movement of the T-shaped clamping plate;
the test assembly comprises a mounting sliding block, a pressure sensor, a connecting shaft and an anti-fracture test shaft, wherein a mounting sliding groove is formed in the sliding plate, the mounting sliding block is slidably connected to the mounting sliding groove, the pressure sensor is arranged in the mounting sliding groove, the connecting shaft is fixed on the mounting sliding block, the end of the connecting shaft is fixedly provided with an anti-compression test block, a first avoiding groove is formed in the anti-compression test block, and an anti-fracture test shaft is arranged in the first avoiding groove;
the compression-resistant test block is fixedly provided with a threaded sleeve, the threaded sleeve is in threaded connection with a threaded shaft, one end of the threaded shaft is fixedly provided with a knob, the other end of the threaded shaft is connected with a fracture-resistant test shaft, the fracture-resistant test shaft is fixedly provided with a guide rod, and the guide rod is in sliding connection with the compression-resistant test block;
the anti-fracture and compression-resistant mode switching assembly comprises a first pressure spring, a fixed sleeve and a telescopic rod, wherein two ends of the first pressure spring are respectively connected with a bottom plate and a supporting plate, a third sliding groove is formed in the bottom plate, a first supporting block is connected onto the third sliding groove in a sliding mode, a second supporting block is fixed onto the supporting plate, a fixed sleeve is fixed onto the sliding plate, the telescopic rod is connected onto the fixed sleeve in a sliding mode, a bolt is connected onto the fixed sleeve in a threaded mode, and the tail end of the bolt abuts against the telescopic rod;
the clamping transmission mechanism comprises a push plate, a push rod, a first steering wheel, a second steering wheel and an elastic pull rope, wherein the push plate is fixed on a sliding plate, a first inclined pushing surface is arranged on the sliding block, a second inclined pushing surface matched with the first inclined pushing surface is arranged on the push plate, a fourth inclined pushing surface is arranged on the supporting plate, a third inclined pushing surface matched with the fourth inclined pushing surface is arranged on the push plate, a second pressure spring is arranged in the first sliding groove, two ends of the second pressure spring are respectively connected with the side wall of the first sliding plate and the inner wall of the first sliding groove, a fourth sliding groove is arranged on the concave plate, the push rod is slidably connected on the fourth sliding groove, a first mounting groove is fixed on the push rod, the first steering wheel and the second steering wheel are all rotationally connected on the concave plate, one end of the elastic pull rope is fixed on the inner wall of the first mounting groove, and the other end of the elastic pull rope bypasses the second steering wheel and the first steering wheel and is connected with the T-shaped clamping plate;
the reverse motion limiting assembly of T shape grip block includes ratchet bar, direction slider, meshing tooth, third pressure spring and button, be provided with the second mounting groove on the T shape grip block, the ratchet bar is fixed on the second mounting groove, be provided with the direction spout on the concave plate, direction slider sliding connection is on the direction spout, the both ends of direction slider are connected with meshing tooth and third pressure spring respectively, and meshing tooth and ratchet bar cooperation, be provided with the third on the direction slider and dodge the groove, be provided with the inclined plane on the third dodge the groove, sliding connection has the button on the concave plate, and button and inclined plane sliding fit.
2. The bending and compression testing machine according to claim 1, wherein the first inclined pushing surface is inlaid with a magnetic strip, and the magnetic strip and the pushing plate are attracted to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310868472.8A CN116609205B (en) | 2023-07-17 | 2023-07-17 | Bending and compression testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310868472.8A CN116609205B (en) | 2023-07-17 | 2023-07-17 | Bending and compression testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116609205A CN116609205A (en) | 2023-08-18 |
| CN116609205B true CN116609205B (en) | 2023-09-26 |
Family
ID=87680344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310868472.8A Active CN116609205B (en) | 2023-07-17 | 2023-07-17 | Bending and compression testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116609205B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208254970U (en) * | 2018-06-05 | 2018-12-18 | 佛山市托肯建材有限公司 | A kind of cement anti-folding and anti-pressing test machine of pinpoint accuracy |
| CN210923255U (en) * | 2019-10-12 | 2020-07-03 | 无锡鑫科工程质量检测有限公司 | Compression and bending resistance testing machine for cement |
| CN213600494U (en) * | 2020-10-22 | 2021-07-02 | 浙江新则工程检测有限公司 | Cement bending and compression resistance integrated testing machine |
| CN215339310U (en) * | 2021-07-30 | 2021-12-28 | 重庆交院和瑞工程检测技术有限公司 | Full-automatic anti compression testing machine that rolls over |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102044375B1 (en) * | 2017-10-26 | 2019-11-13 | 안동대학교 산학협력단 | Small Punch Test Apparatus Capable of Quantitatively Evaluating Materials Embrittlement Behaviors under Various Gas Hydrogen Environments |
-
2023
- 2023-07-17 CN CN202310868472.8A patent/CN116609205B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208254970U (en) * | 2018-06-05 | 2018-12-18 | 佛山市托肯建材有限公司 | A kind of cement anti-folding and anti-pressing test machine of pinpoint accuracy |
| CN210923255U (en) * | 2019-10-12 | 2020-07-03 | 无锡鑫科工程质量检测有限公司 | Compression and bending resistance testing machine for cement |
| CN213600494U (en) * | 2020-10-22 | 2021-07-02 | 浙江新则工程检测有限公司 | Cement bending and compression resistance integrated testing machine |
| CN215339310U (en) * | 2021-07-30 | 2021-12-28 | 重庆交院和瑞工程检测技术有限公司 | Full-automatic anti compression testing machine that rolls over |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116609205A (en) | 2023-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115855661B (en) | Latex glove adhesive film strength detection device | |
| CN116609205B (en) | Bending and compression testing machine | |
| CN209460017U (en) | A kind of tester for elongation | |
| CN209327135U (en) | A kind of reinforcing bar reverse bending test device | |
| CN210051643U (en) | Tensile machine | |
| CN110441135A (en) | Special despatch optical cable component wire tension intensity detection system | |
| CN218067406U (en) | Material tension detection equipment for engineering detection | |
| CN212780321U (en) | Pull-press integrated intelligent plastic impact test equipment | |
| CN209589668U (en) | Rope body tensile testing machine | |
| CN208546395U (en) | A kind of telescopic device of multifunctional usage | |
| CN1279344C (en) | Movable jaw type clamping head pair for portable power-driven pulling machine | |
| CN211491238U (en) | Fixed clamping device for medical instrument inspection | |
| CN218601043U (en) | Adhesive tape tension testing equipment | |
| CN214952606U (en) | Clamp for universal testing machine tensile experiment | |
| CN110731754A (en) | Construction site personnel health detection | |
| CN220084515U (en) | Microcomputer-controlled electrohydraulic servo universal testing machine | |
| CN218036059U (en) | Material tension detection equipment for engineering supervision | |
| CN218444864U (en) | Cable pulling and lifting inspection equipment | |
| CN220855131U (en) | Quick test fixture of supply voltage | |
| CN212084749U (en) | Wire harness clamping mechanism | |
| CN219957197U (en) | Torque testing device convenient to fix | |
| CN220690664U (en) | Tensile testing machine for strength of film material | |
| CN219455710U (en) | Pneumatic clamp special for tension machine | |
| CN218036019U (en) | Building material detects uses tensile test device | |
| CN215218993U (en) | Clamping mechanism for detecting notebook computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |