CN116952702A - Intensity testing device for numerical control lathe additionally provided with hydraulic center frame - Google Patents
Intensity testing device for numerical control lathe additionally provided with hydraulic center frame Download PDFInfo
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- CN116952702A CN116952702A CN202310909957.7A CN202310909957A CN116952702A CN 116952702 A CN116952702 A CN 116952702A CN 202310909957 A CN202310909957 A CN 202310909957A CN 116952702 A CN116952702 A CN 116952702A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a strength testing device for a numerical control lathe additionally provided with a hydraulic center frame, which relates to the field of strength testing devices and comprises a testing table; the upper end surface of the test bench is fixedly provided with a supporting frame, and the inner side of the supporting frame is provided with a position adjusting mechanism; the lifting mechanism is arranged on the position adjusting mechanism, and the angle adjusting mechanism is arranged at the bottom of the lifting mechanism; according to the invention, through the matching of the position conversion mechanism, the position adjustment mechanism and the lifting mechanism, the hydraulic center frame to be tested in large batches can have higher testing efficiency, so that the high-efficiency production is facilitated; the hydraulic center frame testing device solves the problems that when the strength of the hydraulic center frames is tested, the existing strength testing device can only install another hydraulic center frame to be tested on a test board after one hydraulic center frame is tested, and therefore testing efficiency is low when a large number of hydraulic center frames to be tested are faced.
Description
Technical Field
The invention relates to the technical field of strength testing devices, in particular to a strength testing device for a numerical control lathe additionally provided with a hydraulic center frame.
Background
The hydraulic center frame is a product of high-precision numerical control lathe supporting facilities such as a numerical control milling machine, a milling center, a numerical control grinding machine and the like, is used for improving stress conditions of long and thin shafts, engine crankshafts, pipes and mechanical parts during processing, and plays roles in avoiding vibration and avoiding bending of steel parts.
At present, when a numerical control lathe processes long and thin shaft parts, a hydraulic center frame is usually additionally arranged on the numerical control lathe, the hydraulic center frame needs to test the supporting strength of the hydraulic center frame before leaving a factory, and an intensity testing device is generally used when the supporting strength of the hydraulic center frame is tested, but when the intensity of the hydraulic center frame is tested by the existing intensity testing device, the tested hydraulic center frame can be detached only after one hydraulic center frame is tested, and then another hydraulic center frame to be tested is arranged on a test bench (usually by adopting a plurality of bolts), so that the problem that the testing efficiency is low when the hydraulic center frames to be tested in a large batch are faced, and the efficient production is not facilitated is solved.
Disclosure of Invention
In view of the above, the invention provides a strength testing device for a numerical control lathe additionally provided with a hydraulic center frame, so as to solve the problem that the testing efficiency is low when a large number of hydraulic center frames to be tested are faced because only one hydraulic center frame can be installed on a testing table after the testing of the hydraulic center frame is completed by the existing strength testing device.
The invention provides a strength testing device for a numerical control lathe additionally provided with a hydraulic center frame, which specifically comprises the following components: a test bench; the upper end surface of the test bench is fixedly provided with a supporting frame, and the inner side of the supporting frame is provided with a position adjusting mechanism; the lifting mechanism is arranged on the position adjusting mechanism, the angle adjusting mechanism is arranged at the bottom of the lifting mechanism, and the strength testing mechanism is arranged at the bottom of the angle adjusting mechanism; the upper end face of the test bench is provided with a position conversion mechanism, and the position conversion mechanism is connected with two hydraulic center frames through bolts; a controller is arranged at the right part of the front side of the upper end surface of the test bench; the upper end face of the test bench is provided with two slide rails in a bilateral symmetry mode, and the upper end face of each slide rail is provided with two T-shaped slide grooves in a bilateral symmetry mode.
Further, the position adjusting mechanism comprises a supporting frame body, a sliding plate and a first electric cylinder, wherein the supporting frame body is fixedly connected to the inner side of the supporting frame, the left side surface and the right side surface of the inner part of the supporting frame body are respectively provided with a strip-shaped sliding groove, and the inner part of the supporting frame body is connected with the sliding plate in a sliding way through the strip-shaped sliding grooves; the first electric cylinder is arranged on the front end face of the supporting frame body, the telescopic rod of the first electric cylinder penetrates through the front end face of the supporting frame body, and the rear end of the telescopic rod of the first electric cylinder is fixedly connected with the front end face of the sliding plate.
Further, the lifting mechanism comprises a second electric cylinder and a lifting plate, the second electric cylinder is fixedly arranged in the middle of the upper end face of the sliding plate, a telescopic rod of the second electric cylinder penetrates through the sliding plate, and the lower end of the telescopic rod of the second electric cylinder is fixedly connected with the lifting plate; four corners of the upper end face of the lifting plate are fixedly connected with a vertical guide rod penetrating through the sliding plate, and the four vertical guide rods are in sliding connection with the sliding plate.
Further, the position conversion mechanism comprises two sliding seats, fixed blocks, a transmission rack, a driving gear, a fourth electric cylinder and threaded holes, wherein the bottom end surface of each sliding seat is provided with two T-shaped sliding blocks, and the two sliding seats are respectively and slidably connected to the two sliding rails through the T-shaped sliding blocks; a fixed block is fixed on the left end face and the right end face of each sliding seat, and the opposite faces of the two fixed blocks on the inner side are fixedly arranged with a transmission rack; the driving gear is rotationally connected to the upper end face of the test bench, and the driving gear and the two transmission racks are respectively meshed with the driving gear; the fourth electric cylinder is arranged on the front side of the upper end face of the right slide rail; the upper end face of each fixed block is provided with a threaded hole, and is connected with a hydraulic center frame through bolts; four limiting jacks are formed in the bottom end face of the fixed block on the left side.
Further, the angle adjusting mechanism comprises a bearing outer ring, a bearing inner ring, an adjusting motor, a worm wheel and a worm, wherein the inner side of the bearing outer ring is rotationally connected with the bearing inner ring, and the bearing inner ring is fixedly arranged on the bottom end surface of the lifting plate; the outer part of the bearing outer ring is fixedly provided with a worm wheel; the adjusting motor is arranged at the front part of the right side of the lifting plate, a worm is fixedly arranged at the rear end of a rotating shaft of the adjusting motor, and the worm is meshed with the worm wheel; the unfolding helix angle of the worm is smaller than the friction angle of the worm wheel and the worm.
Further, the strength testing mechanism comprises a third electric cylinder, a moving plate, a thrust sensor and a push block, wherein the third electric cylinder is fixedly arranged on the bottom end surface of the outer ring of the bearing, and the moving plate is fixedly arranged on a telescopic rod of the third electric cylinder; the other end face of the movable plate is fixedly provided with a push force sensor, and the other end of the push force sensor is provided with a push block; the third electric cylinder, the pushing force sensor, the adjusting motor, the fourth electric cylinder, the second electric cylinder and the first electric cylinder are all electrically connected with the controller.
Further, the test bench is characterized by further comprising a locking assembly, wherein the locking assembly is arranged at the right part of the front side of the bottom end of the test bench and comprises two supporting frames, two sliding blocks, two locking inserting rods and two pulling rods, the two supporting frames are fixedly arranged on the bottom end face of the test bench, the inner side of each supporting frame is connected with one sliding block in a sliding way, and the upper end face of each sliding block is provided with two locking inserting rods penetrating through the top of the supporting frame; every the sliding block bottom end face all is equipped with two pull rods that run through the carriage bottom, and the outside spring that has all cup jointed that is located the carriage of every pull rod outside.
Further, when the locking assembly is in a locking limiting state, the upper ends of the four locking inserted rods are respectively inserted into four limiting insertion holes formed in the bottom end face of the left fixing block.
Further, the test bench is characterized by further comprising a T-shaped pedal piece, wherein the T-shaped pedal piece is arranged at the lower ends of the four pulling rods, the upper end face of the T-shaped pedal piece is fixedly connected with four vertical sliding rods, the outside of each vertical sliding rod is slidably connected with a guide sliding cylinder, and the four guide sliding cylinders are fixedly connected to the right part of the front side of the bottom end of the test bench.
The beneficial effects are that: 1. according to the invention, through the cooperation of the position conversion mechanism, the position adjustment mechanism and the lifting mechanism, in the supporting strength test process of one hydraulic center frame at the left side, a rear worker can detach one tested hydraulic center frame through a tool at the same time, then the next hydraulic center frame to be tested is mounted on one sliding seat at the right side, and then the reciprocating test operation is performed according to the reciprocating test operation, so that the hydraulic center frame to be tested in large batches can have higher test efficiency, and high-efficiency production is facilitated.
2. According to the invention, through the arrangement of the locking assembly, in the process of testing the supporting strength of the hydraulic center frame, the foot parts are moved away from the T-shaped pedal plate, so that the sliding block moves upwards with the locking inserting rods under the action of the external spring force of the pulling rod, and the four locking inserting rods are inserted back into the four limiting insertion holes formed in the bottom end surface of the left fixed block, so that the sliding seat can be effectively locked and limited on the sliding rail, and the stability of the hydraulic center frame in the testing process is improved.
3. According to the invention, through the arrangement of the T-shaped pedal, when the four locking inserting rods are pulled out of the four limiting jacks formed in the bottom end face of the left fixed block, a worker only needs to pedal the T-shaped pedal downwards through the foot part, so that the four pulling rods can move downwards with the two sliding blocks and the four locking inserting rods, and the four locking inserting rods are pulled out of the four limiting jacks formed in the bottom end face of the left fixed block, so that the convenience of pulling out the locking inserting rods is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
In the drawings:
FIG. 1 is a schematic view of a first perspective structure of an embodiment of the present invention;
FIG. 2 is a second perspective view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a front view of an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure of an embodiment of the present invention in a disassembled state;
FIG. 5 is a schematic diagram of the strength testing mechanism and the angle adjusting mechanism according to the embodiment of the present invention;
FIG. 6 is a schematic view of a position conversion mechanism and hydraulic center frame configuration of an embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a fixed block, a drive rack and a drive gear of an embodiment of the present invention;
FIG. 8 is a schematic view of the structure of the fixed block and hydraulic center frame of an embodiment of the present invention after being disassembled;
fig. 9 is a schematic view of a T-shaped pedal member and locking assembly according to an embodiment of the present invention.
List of reference numerals
1. A test bench; 101. a slide rail; 2. a support frame; 3. a position adjusting mechanism; 301. a support frame; 302. a sliding plate; 303. a first electric cylinder; 4. a lifting mechanism; 401. a second electric cylinder; 402. lifting the plate; 5. a strength testing mechanism; 501. a third electric cylinder; 502. a moving plate; 503. a push force sensor; 504. pushing the jacking block; 6. a position conversion mechanism; 601. a sliding seat; 602. a fixed block; 603. a drive rack; 604. a drive gear; 605. a fourth electric cylinder; 606. a threaded hole; 7. a hydraulic center frame; 8. an angle adjusting mechanism; 801. a bearing outer ring; 802. a bearing inner ring; 803. adjusting a motor; 804. a worm wheel; 805. a worm; 9. t-shaped pedal piece; 901. a vertical slide bar; 902. a guide slide cylinder; 10. a locking assembly; 1001. a support frame; 1002. a sliding block; 1003. a locking plunger; 1004. pulling the rod; 11. and a controller.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention.
Example 1: as shown in fig. 1 to 9:
the invention provides a strength testing device for a numerical control lathe additionally provided with a hydraulic center frame, which comprises a testing table 1; the upper end surface of the test bench 1 is fixedly provided with a supporting frame 2, and the inner side of the supporting frame 2 is provided with a position adjusting mechanism 3; the lifting mechanism 4 is arranged on the position adjusting mechanism 3, the angle adjusting mechanism 8 is arranged at the bottom of the lifting mechanism 4, and the strength testing mechanism 5 is arranged at the bottom of the angle adjusting mechanism 8; the upper end surface of the test bench 1 is provided with a position conversion mechanism 6, and the position conversion mechanism 6 is connected with two hydraulic center frames 7 through bolts; the controller 11 is arranged at the right part of the front side of the upper end surface of the test bench 1; the upper end surface of the test bench 1 is provided with two slide rails 101 in a bilateral symmetry manner, and the upper end surface of each slide rail 101 is provided with two T-shaped sliding grooves in a bilateral symmetry manner;
the position adjusting mechanism 3 comprises a supporting frame 301, a sliding plate 302 and a first electric cylinder 303, wherein the supporting frame 301 is fixedly connected to the inner side of the supporting frame 2, the left side surface and the right side surface of the inner part of the supporting frame 301 are provided with strip-shaped sliding grooves, and the sliding plate 302 is connected to the inner part of the supporting frame 301 in a sliding manner through the strip-shaped sliding grooves; the first electric cylinder 303 is arranged on the front end surface of the supporting frame 301, the telescopic rod of the first electric cylinder 303 penetrates through the front end surface of the supporting frame 301, the rear end of the telescopic rod of the first electric cylinder 303 is fixedly connected with the front end surface of the sliding plate 302, and the left and right positions of the lifting mechanism 4, the angle adjusting mechanism 8 and the strength testing mechanism 5 are adjusted through the arrangement of the position adjusting mechanism 3;
the lifting mechanism 4 comprises a second electric cylinder 401 and a lifting plate 402, the second electric cylinder 401 is fixedly arranged in the middle of the upper end face of the sliding plate 302, a telescopic rod of the second electric cylinder 401 penetrates through the sliding plate 302, and the lower end of the telescopic rod of the second electric cylinder 401 is fixedly connected with the lifting plate 402; four corners of the upper end surface of the lifting plate 402 are fixedly connected with a vertical guide rod penetrating through the sliding plate 302, the four vertical guide rods are in sliding connection with the sliding plate 302, and the four vertical guide rods are used for adjusting the upper and lower positions of the angle adjusting mechanism 8 and the strength testing mechanism 5 through the arrangement of the lifting mechanism 4;
the position conversion mechanism 6 comprises two sliding seats 601, fixed blocks 602, transmission racks 603, driving gears 604, fourth electric cylinders 605 and threaded holes 606, wherein the number of the sliding seats 601 is two, two T-shaped sliding blocks are arranged on the bottom end face of each sliding seat 601, and the two sliding seats 601 are respectively and slidably connected to the two sliding rails 101 through the T-shaped sliding blocks; a fixed block 602 is fixed on the left and right end surfaces of each sliding seat 601, and the opposite surfaces of the two fixed blocks 602 on the inner side are fixedly provided with a transmission rack 603; the driving gear 604 is rotatably connected to the upper end surface of the test bench 1, and the driving gear 604 and the two transmission racks 603 are respectively meshed with the driving gear 604; the fourth electric cylinder 605 is arranged on the front side of the upper end surface of the right slide rail 101; the upper end surface of each fixed block 602 is provided with a threaded hole 606, and the upper end surface of each fixed block 602 is connected with a hydraulic center frame 7 through bolts; four limiting jacks are formed in the bottom end surface of the left fixed block 602;
through the arrangement of the position conversion mechanism 6, the positions of the two sliding seats 601 are switched back and forth, so that high testing efficiency can be achieved when a large number of hydraulic center frames 7 to be tested are faced, and efficient production is facilitated;
the angle adjusting mechanism 8 comprises a bearing outer ring 801, a bearing inner ring 802, an adjusting motor 803, a worm wheel 804 and a worm 805, wherein the inner side of the bearing outer ring 801 is rotationally connected with the bearing inner ring 802, and the bearing inner ring 802 is fixedly arranged on the bottom end surface of the lifting plate 402; the outer part of the bearing outer ring 801 is fixedly provided with a worm wheel 804; the adjusting motor 803 is arranged at the front part of the right side of the lifting plate 402, a worm 805 is fixedly arranged at the rear end of the rotating shaft of the adjusting motor 803, and the worm 805 is meshed with the worm wheel 804; the unfolding helix angle of the worm 805 is smaller than the friction angle of the worm wheel 804 and the worm 805, so that the worm wheel 804 can realize effective self-locking effect;
the angle adjusting mechanism 8 is used for adjusting the angle of the strength testing mechanism 5 when testing the strength of the hydraulic center frame 7;
the strength testing mechanism 5 comprises a third electric cylinder 501, a moving plate 502, a thrust sensor 503 and a push block 504, wherein the third electric cylinder 501 is fixedly arranged on the bottom end surface of a bearing outer ring 801, and the moving plate 502 is fixedly arranged on a telescopic rod of the third electric cylinder 501; a push force sensor 503 is fixedly arranged on the other end surface of the moving plate 502, and a push top block 504 is arranged on the other end of the push force sensor 503; the third electric cylinder 501, the thrust sensor 503, the adjusting motor 803, the fourth electric cylinder 605, the second electric cylinder 401, and the first electric cylinder 303 are all electrically connected with the controller 11, and are used for testing the supporting strength of the hydraulic center frame 7 through the arrangement of the strength testing mechanism 5.
Example 2: on the basis of example 1, as shown in fig. 1, 4 and 9: the test bench comprises a test bench body, a test bench, a locking assembly and a locking assembly, wherein the locking assembly 10 is arranged at the right part of the front side of the bottom end surface of the test bench body 1, the locking assembly 10 comprises a supporting frame 1001, sliding blocks 1002, locking inserting rods 1003 and pulling rods 1004, the number of the supporting frames 1001 is two, the two supporting frames 1001 are fixedly arranged on the bottom end surface of the test bench body 1, the inner side of each supporting frame 1001 is slidably connected with one sliding block 1002, and the upper end surface of each sliding block 1002 is provided with two locking inserting rods 1003 penetrating through the top of the supporting frame 1001; two pulling rods 1004 penetrating through the bottom of the supporting frame 1001 are arranged on the bottom end face of each sliding block 1002, and springs are sleeved outside each pulling rod 1004 and inside the supporting frame 1001;
when the locking assembly 10 is in a locking limit state, the upper ends of the four locking inserted rods 1003 are respectively inserted into four limit jacks formed on the bottom end surface of the left fixed block 602;
through the arrangement of the locking assembly 10, the sliding seat 601 can be effectively locked and limited on the sliding rail 101 in the process of testing the supporting strength of the hydraulic center frame 7, so that the stability of the hydraulic center frame 7 in the test process is improved;
the test bench also comprises a T-shaped pedal plate 9, wherein the T-shaped pedal plate 9 is arranged at the lower ends of the four pulling rods 1004, the upper end surface of the T-shaped pedal plate 9 is fixedly connected with four vertical slide bars 901, the outside of each vertical slide bar 901 is slidably connected with a guide slide cylinder 902, and the four guide slide cylinders 902 are fixedly connected to the front right part of the bottom end of the test bench 1; by setting the T-shaped pedal 9, convenience of the lock plunger 1003 in the pulling-out operation is improved.
Specific use and action of the embodiment: in the invention, when a large number of hydraulic center frames 7 to be tested are faced, the hydraulic center frames are completed by two workers in a cooperative way, and then the two workers stand on the front side and the rear side of the test bench 1 respectively, wherein the front workers are responsible for controlling the controller 11, and the rear workers are responsible for disassembling and installing the hydraulic center frames 7; when the strength of the hydraulic center frame 7 is tested, the two hydraulic center frames 7 are connected to the two sliding seats 601 through bolts, then a front worker starts the second electric cylinder 401 by pressing a control button on the controller 11 and controls the telescopic rod of the second electric cylinder 401 to extend downwards, so that the lifting plate 402, the angle adjusting mechanism 8 and the strength testing mechanism 5 are carried out downwards, as shown in fig. 3, when the strength testing mechanism 5 is positioned at the left side of one hydraulic center frame 7 on the right side, the second electric cylinder 401 is stopped, then the third electric cylinder 501 is started through the controller 11, the telescopic rod of the third electric cylinder 501 carries the movable plate 502, the push sensor 503 and the push block 504 to move rightwards, so that the push block 504 is in close contact with the upper left side of the other hydraulic center frame 7 on the right side, then the telescopic rod of the third electric cylinder 501 continues to carry the movable plate 502, the push sensor 503 and the push block 504 to move rightwards, the push force test is carried out through the push sensor 503, then the push force test is carried out through the push sensor 503, the push force is carried out through the display screen on the controller 11, and when the right side of the hydraulic center frame 7 reaches the standard, and the right side of the hydraulic center frame 7 is still qualified;
after the supporting strength of one hydraulic center frame 7 on the right side is tested, a front worker controls the telescopic rod of the second electric cylinder 401 to retract upwards to the original position through the controller 11, so that the lifting plate 402, the angle adjusting mechanism 8 and the strength testing mechanism 5 are carried forward, then the telescopic rod of the fourth electric cylinder 605 is controlled to extend backwards through the controller 11 (before the telescopic rod of the fourth electric cylinder 605 is controlled to extend backwards, the front worker treads the T-shaped pedal plate 9 downwards through the foot part, so that the four locking inserted rods 1003 firstly pull out from the inside of four limit jacks formed in the bottom end surface of one fixed block 602 on the left side, so that the sliding seat 601 on the right side slides backwards, then under the cooperation of the two transmission racks 603 and the driving gear 604, the sliding seat 601 on the left side moves forwards simultaneously, so that the hydraulic center frame 7 on the left side moves forwards, and then after the telescopic rod of the fourth electric cylinder 605 extends backwards to the limit position, the foot part is moved away from the T-shaped pedal plate 9, so that the four locking inserted rods are inserted into the inside of the four limit jacks formed in the bottom end surface of the fixed block 602;
then, at this time, the front worker controls the telescopic rod of the first electric cylinder 303 to retract to the left through the controller 11, so that the sliding plate 302, the lifting mechanism 4, the angle adjusting mechanism 8 and the strength testing mechanism 5 are moved to the left above one hydraulic center frame 7, then controls the telescopic rod of the second electric cylinder 401 to extend downwards through the controller 11, so that the lifting plate 402, the angle adjusting mechanism 8 and the strength testing mechanism 5 are moved to the upper part of one side of the left one hydraulic center frame 7, then the strength testing mechanism 5 is used for testing the supporting strength of the left one hydraulic center frame 7, and in the supporting strength testing process of the left one hydraulic center frame 7, the rear worker can detach the tested one hydraulic center frame 7 (the right one hydraulic center frame 7) through a tool at the same time, then mount the next hydraulic center frame 7 to be tested on the right one sliding seat 601, and then perform the reciprocating testing operation according to the above, so that the test efficiency can be higher when the hydraulic center frames 7 to be tested in a large number, and the production efficiency can be improved;
through the setting of locking subassembly 10, can be at the in-process of hydraulic center frame 7 test support intensity, through moving the foot from T type pedal plate 9 to make slider 1002 take locking inserted bar 1003 upwards under the outside spring force effect of pulling rod 1004, thereby make four locking inserted bars 1003 insert back to the inside four spacing jacks that the bottom face of a fixed block 602 of left side was seted up again, thereby make sliding seat 601 can obtain effectual locking limiting effect on slide rail 101.
Claims (9)
1. The strength testing device for the hydraulic center frame additionally arranged on the numerical control lathe is characterized by comprising a testing table (1); the upper end face of the test bench (1) is fixedly provided with a supporting frame (2), and the inner side of the supporting frame (2) is provided with a position adjusting mechanism (3); the lifting mechanism (4) is arranged on the position adjusting mechanism (3), the angle adjusting mechanism (8) is arranged at the bottom of the lifting mechanism (4), and the strength testing mechanism (5) is arranged at the bottom of the angle adjusting mechanism (8); the upper end face of the test bench (1) is provided with a position conversion mechanism (6), and the position conversion mechanism (6) is connected with two hydraulic center frames (7) through bolts; a controller (11) is arranged at the right part of the front side of the upper end surface of the test bench (1); two slide rails (101) are arranged on the upper end surface of the test bench (1) in a bilateral symmetry mode, and two T-shaped sliding grooves are formed in the upper end surface of each slide rail (101) in a bilateral symmetry mode.
2. The strength testing device for adding a hydraulic center frame to a numerically controlled lathe as set forth in claim 1, wherein: the position adjusting mechanism (3) comprises a supporting frame body (301), a sliding plate block (302) and a first electric cylinder (303), wherein the supporting frame body (301) is fixedly connected to the inner side of the supporting frame (2), strip-shaped sliding grooves are formed in the left side surface and the right side surface of the inside of the supporting frame body (301), and the sliding plate block (302) is connected to the inside of the supporting frame body (301) in a sliding manner through the strip-shaped sliding grooves; the first electric cylinder (303) is arranged on the front end face of the supporting frame body (301), the telescopic rod of the first electric cylinder (303) penetrates through the front end face of the supporting frame body (301), and the rear end of the telescopic rod of the first electric cylinder (303) is fixedly connected with the front end face of the sliding plate (302).
3. The strength testing device for installing a hydraulic center frame on a numerically controlled lathe as set forth in claim 2, wherein: the lifting mechanism (4) comprises a second electric cylinder (401) and a lifting plate (402), the second electric cylinder (401) is fixedly arranged in the middle of the upper end face of the sliding plate (302), a telescopic rod of the second electric cylinder (401) penetrates through the sliding plate (302), and the lower end of the telescopic rod of the second electric cylinder (401) is fixedly connected with the lifting plate (402); four corners of the upper end face of the lifting plate (402) are fixedly connected with a vertical guide rod penetrating through the sliding plate (302), and the four vertical guide rods are in sliding connection with the sliding plate (302).
4. A strength testing device for installing a hydraulic center frame on a numerically controlled lathe as set forth in claim 3, wherein: the position conversion mechanism (6) comprises two sliding seats (601), two fixed blocks (602), a transmission rack (603), a driving gear (604), a fourth electric cylinder (605) and threaded holes (606), wherein two T-shaped sliding blocks are arranged on the bottom end face of each sliding seat (601), and the two sliding seats (601) are respectively and slidably connected to the two sliding rails (101) through the T-shaped sliding blocks; a fixed block (602) is fixed on the left end face and the right end face of each sliding seat (601), and the opposite faces of the two fixed blocks (602) on the inner side are fixedly provided with a transmission rack (603); the driving gear (604) is rotationally connected to the upper end face of the test bench (1), and the driving gear (604) and the two transmission racks (603) are respectively meshed with the driving gear (604); the fourth electric cylinder (605) is arranged at the front side of the upper end face of the right slide rail (101); screw holes (606) are formed in the upper end face of each fixed block (602), and the upper end face of each fixed block (602) is connected with a hydraulic center frame (7) through bolts; four limiting jacks are formed in the bottom end face of the fixed block (602) on the left side.
5. The strength testing device for installing a hydraulic center frame on a numerically controlled lathe according to claim 4, wherein: the angle adjusting mechanism (8) comprises a bearing outer ring (801), a bearing inner ring (802), an adjusting motor (803), a worm wheel (804) and a worm (805), wherein the inner side of the bearing outer ring (801) is rotationally connected with the bearing inner ring (802), and the bearing inner ring (802) is fixedly arranged on the bottom end surface of the lifting plate (402); the outer part of the bearing outer ring (801) is fixedly arranged with a worm wheel (804); the adjusting motor (803) is arranged at the front part of the right side of the lifting plate (402), a worm (805) is fixedly arranged at the rear end of a rotating shaft of the adjusting motor (803), and the worm (805) is meshed with the worm wheel (804); the expanding helix angle of the worm (805) is smaller than the friction angle of the worm wheel (804) contacted with the worm (805).
6. The strength testing device for installing a hydraulic center frame on a numerically controlled lathe according to claim 5, wherein: the strength testing mechanism (5) comprises a third electric cylinder (501), a moving plate (502), a thrust sensor (503) and a push block (504), wherein the third electric cylinder (501) is fixedly arranged on the bottom end surface of the bearing outer ring (801), and the moving plate (502) is fixedly arranged on a telescopic rod of the third electric cylinder (501); a pushing force sensor (503) is fixedly arranged on the other end surface of the moving plate (502), and a pushing block (504) is arranged at the other end of the pushing force sensor (503); the third electric cylinder (501), the thrust sensor (503), the adjusting motor (803), the fourth electric cylinder (605), the second electric cylinder (401) and the first electric cylinder (303) are electrically connected with the controller (11).
7. The strength testing device for installing a hydraulic center frame on a numerically controlled lathe according to claim 4, wherein: the automatic testing device is characterized by further comprising a locking assembly (10), wherein the locking assembly (10) is arranged at the right part of the front side of the bottom end face of the testing table (1), the locking assembly (10) comprises two supporting frames (1001), two sliding blocks (1002), two locking inserting rods (1003) and two pulling rods (1004), the two supporting frames (1001) are fixedly arranged on the bottom end face of the testing table (1), one sliding block (1002) is slidably connected to the inner side of each supporting frame (1001), and two locking inserting rods (1003) penetrating through the top of each supporting frame (1001) are arranged on the upper end face of each sliding block (1002); two pulling rods (1004) penetrating through the bottom of the supporting frame (1001) are arranged on the bottom end face of each sliding block (1002), and springs are sleeved outside the pulling rods (1004) and located inside the supporting frame (1001).
8. The strength testing device for installing a hydraulic center frame on a numerically controlled lathe as set forth in claim 7, wherein: when the locking assembly (10) is in a locking limit state, the upper ends of the four locking inserted rods (1003) are respectively inserted into four limit jacks formed in the bottom end face of the left fixed block (602).
9. The strength testing device for installing a hydraulic center frame on a numerically controlled lathe as set forth in claim 7, wherein: still including T type pedal plate (9), T type pedal plate (9) set up at four pulling rod (1004) lower extreme, T type pedal plate (9) up end fixedly connected with four vertical slide bars (901), and the outside equal sliding connection of every vertical slide bar (901) has a direction slide (902), four direction slide (902) fixed connection are in test bench (1) bottom front side right part.
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| CN202310909957.7A CN116952702B (en) | 2023-07-24 | 2023-07-24 | Intensity testing device for numerical control lathe additionally provided with hydraulic center frame |
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|---|---|---|---|
| CN202310909957.7A CN116952702B (en) | 2023-07-24 | 2023-07-24 | Intensity testing device for numerical control lathe additionally provided with hydraulic center frame |
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| CN116952702A true CN116952702A (en) | 2023-10-27 |
| CN116952702B CN116952702B (en) | 2024-03-29 |
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| CN116202872A (en) * | 2023-02-28 | 2023-06-02 | 中国建筑第二工程局有限公司 | Girder steel bearing capacity intensity test equipment |
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| JPH08122222A (en) * | 1994-10-21 | 1996-05-17 | Sakura Kogyo Kk | Product performance testing machine |
| CN111982670A (en) * | 2020-09-04 | 2020-11-24 | 安徽博耐克摩擦材料有限公司 | Double-sided wear-resistant detection device and method for brake pad |
| CN112857426A (en) * | 2021-01-04 | 2021-05-28 | 张雪梅 | Multistation detection device based on automated control |
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| CN116952702B (en) | 2024-03-29 |
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