CN117249992B - Spring test device - Google Patents
Spring test device Download PDFInfo
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- CN117249992B CN117249992B CN202311263248.2A CN202311263248A CN117249992B CN 117249992 B CN117249992 B CN 117249992B CN 202311263248 A CN202311263248 A CN 202311263248A CN 117249992 B CN117249992 B CN 117249992B
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- 238000012360 testing method Methods 0.000 title claims abstract description 118
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 description 8
- 238000009864 tensile test Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of spring performance testing, in particular to a spring testing device which comprises a testing spring and a tabletop, wherein the testing spring is vertically and movably arranged on the surface of the tabletop, a limiting mechanism is arranged on the surface of the tabletop, the limiting mechanism comprises an outer cylinder, an inner cylinder, a first spring and a sliding rail, the testing spring is positioned in an inner ring of the inner cylinder, the inner cylinder is positioned in an inner ring of the outer cylinder, the outer cylinder and the inner cylinder are fixedly connected with the tabletop, the inner cylinder consists of two semicircular rings and are movably connected, a connecting component is arranged between the two semicircular rings, the sliding rail is fixedly connected with the upper surface of the tabletop, the inner cylinder is in sliding connection with the sliding rail, and a first positioning mechanism and a second positioning mechanism are respectively arranged at the bottom and the upper part of the tabletop.
Description
Technical Field
The invention relates to the technical field of spring performance test, in particular to a spring test device.
Background
In the manufacturing process of springs, some properties are required to be tested and evaluated, and the following are common spring performance test indexes: strength testing, durability testing, and elastic performance testing, wherein the elastic performance testing includes tensile and compressive performance testing, i.e., reciprocating stretching or squeezing of a test spring, followed by observation of the amount of deformation of the spring.
The existing experimental device can only independently complete one test at a time, such as a pressure test or a tension test, the existing pressure test usually utilizes a hydraulic machine to conduct the pressure test on the spring, the test spring is not limited in the process, the spring is likely to deform due to the fact that the test spring is not limited in the process of being pressed by the press, in addition, the press can only conduct the pressure test on the spring and cannot complete the tension test, therefore, multiple working procedures are needed to complete the elastic performance test, and time delay is relatively delayed.
Disclosure of Invention
Aiming at the technical problems existing in the application of the existing spring test device, the invention provides the spring test device.
The utility model provides a spring test device, includes the desktop, the surface of desktop is provided with stop gear, stop gear includes urceolus, inner tube, first spring and slide rail, the one end of test spring is placed in the inner circle of inner tube, the inner tube is located the inner circle of urceolus, urceolus and inner tube all with desktop fixed connection, the inner tube comprises two semicircle rings, and two semicircle swing joint, first spring setting is between urceolus and inner tube, be provided with coupling assembling between two semicircle, slide rail fixed connection is at the upper surface of desktop, and the slide rail is located the inside of urceolus, inner tube and slide rail sliding connection, the bottom and the top of desktop are provided with first positioning mechanism and second positioning mechanism respectively.
Further, first positioning mechanism includes first motor, connecting plate, lead screw, sloping block, fixed rail, bolt, positioning cylinder and second spring, the fixed rail bilateral symmetry installs at the lower surface of desktop, two fixedly connected with backup pad between the fixed rail, the surface at the backup pad is installed to first motor, the output and the lead screw fixed connection of first motor, sloping block and fixed rail sliding connection, connecting plate fixed connection is two between the sloping block, lead screw and connecting plate threaded connection, square hole with sloping block complex is seted up on the surface of desktop, positioning cylinder bilateral symmetry's fixed connection is on the outer wall of urceolus, the one end sliding connection of bolt is in the positioning cylinder and the slip runs through urceolus and inner tube, the other end of bolt extends to the outside of positioning cylinder, the second spring cup joints on the outer wall of bolt and with positioning cylinder fixed connection.
Further, second positioning mechanism includes connecting block, second motor, threaded rod, removes frame, U type pole, transmission case, locking element and limiting plate, the connecting block is located the top of desktop, the setting of connecting block bilateral symmetry is in the both sides of test spring, connecting block and telescopic member are connected, the second motor is installed on the lateral wall of connecting block, the output and the threaded rod fixed connection of second motor, the threaded rod rotates to be connected in the connecting block, the one end sliding connection of removing the frame is in the connecting block and with threaded rod threaded connection, the other end of removing the frame extends to the outside of connecting block, transmission case sliding connection is in removing the frame and with U type pole fixed connection, locking element sets up in the transmission case, U type pole and test spring cooperation, limiting plate fixed connection is on the surface of connecting block, the last surface fixedly connected with installing frame of desktop, limiting plate and installing frame sliding connection.
Further, the locking assembly comprises jacks, rotating parts, inserting rods and third springs, the jacks are linearly and uniformly arranged on the left side wall and the right side wall of the movable frame, the rotating parts are composed of two rotating rods which are connected with each other in a rotating mode, one ends of the inserting rods are connected with the rotating rods in a rotating mode, the rotating parts are connected inside the transmission case in a rotating mode, the other ends of the inserting rods extend into the jacks, and the third springs are fixedly connected between the two inserting rods.
Further, the fixed surface of installing frame is connected with the mounting panel, the mounting panel is located the urceolus directly over, the last surface mounting of mounting panel has the pneumatic cylinder, the flexible end and the pressure disk fixed connection of pneumatic cylinder, the bottom fixedly connected with gag lever post of pressure disk, connecting block opposite face and pressure disk fixed connection.
Further, both ends fixedly connected with spliced pole about the desktop, spliced pole opposite side and one side towards the installing frame are the opening, fixedly connected with fourth spring in the spliced pole, two sliding connection has the diaphragm between the spliced pole, diaphragm and fourth spring fixed connection, the below of diaphragm is connected with measuring assembly.
Further, the measuring assembly comprises a mounting box, a third motor, a disc, racks and gears, wherein the mounting box is connected to the lower portion of the transverse plate through two arc-shaped rods, the third motor is mounted on the left side wall of the mounting box, the output end of the third motor is fixedly connected with the gears, the gears are rotationally connected in the mounting box, the racks are slidingly connected to the upper side wall of the inner cavity of the mounting box and meshed with the gears, the disc is located the outer portion of the mounting box and fixedly connected with the racks, an electric push rod is arranged below the mounting box and mounted on the surface of a tabletop, a U-shaped frame is fixedly connected to the telescopic end of the electric push rod, one of the U-shaped frame and the transverse plate are fixedly connected, and scales are arranged on the outer wall of the connecting column.
Further, the connecting assembly comprises a positioning box and positioning pins, the positioning boxes are provided with two positioning boxes which are respectively and fixedly connected to the outer walls of different inner cylinders, two ends of each positioning pin are respectively inserted between the two positioning boxes, and the widths of two ends of each positioning pin are larger than the opening of each positioning box.
The invention has the beneficial effects that: 1. through the cooperation of stop gear and the first positioning mechanism that sets up, not only can carry out spacingly when test spring carries out the pressure test, prevent that test spring from appearing moving the condition, first positioning mechanism sets up moreover on stop gear's urceolus, plays spacing effect on the one hand, on the other hand when stretching test spring, first positioning mechanism has played the effect of location, cooperates second positioning mechanism to prescribe a limit to test spring's both ends, drives second positioning mechanism tensile test spring through the pneumatic cylinder and accomplishes tensile test.
2. The length of the test spring is measured before the test spring is tested by the set measuring assembly, the length of the test spring is measured again after the test is completed, the tensile property of the test spring is evaluated through the numerical value difference, and the position of the U-shaped rod in the second positioning mechanism can be adjusted by the locking assembly arranged in the second positioning mechanism according to the shape change of the spring, so that the test spring is limited.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is an enlarged schematic view of fig. 2a in accordance with the present invention.
Fig. 4 is a schematic view of a portion of a second positioning mechanism according to the present invention.
Fig. 5 is a schematic view of a portion of a second positioning mechanism according to the present invention.
Fig. 6 is a top cross-sectional view of the present invention.
Fig. 7 is a schematic front cross-sectional view of the present invention.
Fig. 8 is an enlarged schematic view of fig. 7 at B in accordance with the present invention.
Fig. 9 is a partial front cross-sectional view of the present invention.
Fig. 10 is an enlarged schematic view of fig. 9 at C in accordance with the present invention.
FIG. 11 is a schematic diagram of a measurement assembly according to the present invention.
FIG. 12 is a schematic view of a portion of a measuring assembly according to the present invention.
Reference numerals: 1. testing a spring; 2. a tabletop; 301. an outer cylinder; 302. an inner cylinder; 303. a first spring; 304. a slide rail; 305. a positioning box; 306. a positioning pin; 401. a first motor; 402. a connecting plate; 403. a screw rod; 404. a sloping block; 405. a fixed rail; 406. a plug pin; 407. a positioning cylinder; 408. a second spring; 501. a connecting block; 502. a second motor; 503. a threaded rod; 504. a moving frame; 505. a U-shaped rod; 506. a transmission case; 507. a jack; 508. a rotating member; 509. a rod; 510. a third spring; 511. a limiting plate; 601. a mounting frame; 602. a mounting plate; 701. a hydraulic cylinder; 702. a limit rod; 703. a pressure plate; 801. a connecting column; 802. a fourth spring; 803. a cross plate; 901. a mounting box; 902. a third motor; 903. a disc; 904. a rack; 905. a gear; 10. an electric push rod.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
As shown in fig. 1, fig. 2, fig. 6 and fig. 8, the spring test device comprises a table top 2, a limiting mechanism is arranged on the surface of the table top 2, the limiting mechanism comprises an outer cylinder 301, an inner cylinder 302, a first spring 303 and a sliding rail 304, one end of the test spring 1 is placed in an inner ring of the inner cylinder 302, the inner cylinder 302 is located in the inner ring of the outer cylinder 301, both the outer cylinder 301 and the inner cylinder 302 are fixedly connected with the table top 2, the inner cylinder 302 is composed of two semicircular rings, the two semicircular rings are movably connected, the first spring 303 is arranged between the outer cylinder 301 and the inner cylinder 302, a connecting assembly is arranged between the two semicircular rings, the sliding rail 304 is fixedly connected with the upper surface of the table top 2, the sliding rail 304 is located inside the outer cylinder 301, the inner cylinder 302 is slidably connected with the sliding rail 304, and a first positioning mechanism and a second positioning mechanism are respectively arranged at the bottom and the upper part of the table top 2.
When carrying out the pressure test to test spring 1, need very big power to press test spring 1, test spring 1 can take place deformation this moment, test spring 1 is very likely to be by the bullet under the effect of pressure to fly, therefore need carry out spacing to test spring 1, current stop gear, it is spacing to carry out one position or two positions to the spring usually, therefore still can have the problem that the spring warp at other positions, the stop gear that this scheme set up can carry out circumference spacing to test spring 1, and can also remove stop gear according to the deformation of spring, inner tube 302 can take place to remove along the deformation of test spring 1 promptly, thereby avoid the perhaps broken possibility of bringing of test spring 1 of rigidity limit, guarantee that test spring 1 can not take place to remove, when pressing test spring 1, and test spring 1 takes place the skew, test spring 1 extrudees 302, 302 along inner tube 304 straight line movement and inner tube extrusion first spring 303, the coupling assembling will two are connected together at this, when testing spring 1, the outer tube 302 and outer tube 1 can take place to test spring 303, the test spring 1 can not take place to remove at this, the test spring 1 is carried out in the process of connecting together, the test spring is guaranteed to be carried out the test spring 1.
As shown in fig. 2 and 7, the first positioning mechanism includes a first motor 401, a connection plate 402, a screw rod 403, an inclined block 404, a fixed rail 405, a bolt 406, a positioning cylinder 407, and a second spring 408, where the fixed rail 405 is symmetrically installed on the lower surface of the table top 2, a support plate is fixedly connected between the two fixed rails 405, the first motor 401 is installed on the surface of the support plate, the output end of the first motor 401 is fixedly connected with the screw rod 403, the inclined block 404 is slidingly connected with the fixed rail 405, the connection plate 402 is fixedly connected between the two inclined blocks 404, the screw rod 403 is in threaded connection with the connection plate 402, a square hole matched with the inclined block 404 is formed on the surface of the table top 2, one end of the bolt 406 is slidingly connected with the positioning cylinder 407 and runs through 301 and 302, the other end of the bolt 406 extends to the outer part of the positioning cylinder 407, the second spring 408 is sheathed on the outer wall of the positioning cylinder 406 and is fixedly connected with the positioning cylinder 407, and a U-shaped frame is arranged near the one end of the positioning cylinder 302.
When the test spring 1 is subjected to tensile test, the two ends of the test spring 1 are required to be pulled to carry out tensile test on the test spring 1, the bottom of the test spring 1 is positioned through the first positioning mechanism, and the specific method is that the first motor 401 is started to drive the screw rod 403 to rotate, the connecting plate 402 in threaded connection with the screw rod 403 drives the inclined block 404 fixedly connected with the screw rod 403 to synchronously lift, when the inclined block 404 moves upwards, the inclined surface of the inclined block 404 gradually extrudes the bolt 406, the second spring 408 is compressed, the bolt 406 gradually moves towards the direction of the test spring 1 until one end of the bolt 406 connected with the U-shaped frame moves to the inner ring of the test spring 1, and the test spring 1 can be positioned at the moment, namely the test spring is inserted into the inner ring of the test spring 1 through the U-shaped frames of the two bolts 406.
As shown in fig. 4 and 5, the second positioning mechanism includes a connection block 501, a second motor 502, a threaded rod 503, a moving frame 504, a U-shaped rod 505, a transmission case 506, a locking assembly and a limiting plate 511, wherein the connection block 501 is located above the table top 2, the second motor 502 is installed on the side wall of the connection block 501, the output end of the second motor 502 is fixedly connected with the threaded rod 503, the threaded rod 503 is rotationally connected in the connection block 501, one end of the moving frame 504 is slidingly connected in the connection block 501 and is in threaded connection with the threaded rod 503, the other end of the moving frame 504 extends to the outside of the connection block 501, the transmission case 506 is slidingly connected in the moving frame 504 and is fixedly connected with the U-shaped rod 505, the locking assembly is arranged in the transmission case 506, the U-shaped rod 505 is matched with the test spring 1, the limiting plate 511 is fixedly connected with the surface of the connection block 501, the upper surface of the table top 2 is fixedly connected with a mounting frame 601, and the limiting plate 511 is slidingly connected with the mounting frame 601.
The second positioning mechanism is used for positioning the upper end of the test spring 1, and the specific positioning method is that the second motor 502 is started to drive the threaded rod 503 to rotate, the moving frame 504 in threaded connection with the threaded rod 503 moves along the length direction of the connecting block 501, the transmission box 506 in the moving frame 504 is in sliding connection with the transmission box 506, and the U-shaped rod 505 fixedly connected with the transmission box 506 moves synchronously until the U-shaped rod 505 moves to the inner ring of the test spring 1.
As shown in fig. 4 and 5, the locking assembly includes a jack 507, a rotating member 508, a plunger 509 and a third spring 510, where a plurality of the jacks 507 are linearly and uniformly arranged on the left and right side walls of the moving frame 504, the rotating member 508 is composed of two rotating rods that are rotatably connected with each other, the rotating member 508 is rotatably connected inside the transmission case 506, one end of the plunger 509 is rotatably connected with the rotating rod, the other end of the plunger 509 extends into the jack 507, and the third spring 510 is fixedly connected between the two plungers 509.
The locking assembly is used for adjusting the positions of the U-shaped rod 505 and the transmission case 506, because the test spring 1 can deform in the process of testing, the position of the U-shaped rod 505 needs to be adjusted to adapt to the deformed test spring 1.
As shown in fig. 2, a mounting plate 602 is fixedly connected to the surface of the mounting frame 601, the mounting plate 602 is located right above the outer cylinder 301, a hydraulic cylinder 701 is mounted on the upper surface of the mounting plate 602, a telescopic end of the hydraulic cylinder 701 is fixedly connected with a pressure plate 703, a limit rod 702 is fixedly connected to the bottom of the pressure plate 703, and the opposite surface of the connecting block 501 is fixedly connected with the pressure plate 703.
The hydraulic cylinder 701 that sets up is used for carrying out pressure test or tensile test to test spring 1, when pressure test, the flexible end of hydraulic cylinder 701 drives pressure disk 703 and extrudees test spring 1 downwards, gag lever post 702 is located the inner circle of test spring 1 this moment, vertical display that sets up on the hydraulic cylinder 701 carries out the record to the pressure numerical value, gag lever post 702 that sets up simultaneously can carry out spacingly to test spring 1, prevent that test spring 1 from taking place the skew, pressure disk 703 and connecting block 501 fixed connection, when carrying out tensile to test spring 1, start hydraulic cylinder 701 and drive pressure disk 703 and connecting block 501 synchronous movement, connecting block 501 further drives U type pole 505 and remove, U type pole 505 is located test spring 1 and fixes a position the upper end of test spring 1, the bottom of test spring 1 is fixed through the bolt 406 that sets up and bolt 406 tip fixed connection's U type frame to test spring 1, along with hydraulic rod 701 upwards move, thereby drive U type pole 505 and drive test spring 1 and carry out tensile.
As shown in fig. 11, the two ends of the desktop 2 are fixedly connected with connection columns 801, the opposite sides of the connection columns 801 and the side facing the mounting frame 601 are both openings, a fourth spring 802 is fixedly connected in the connection columns 801, a transverse plate 803 is slidably connected between the connection columns 801, the transverse plate 803 is fixedly connected with the fourth spring 802, the fourth spring 802 plays a role in supporting and buffering the transverse plate 803 and the measuring assembly, and the measuring assembly is connected below the transverse plate 803.
As shown in fig. 11 and 12, the measuring assembly comprises a mounting box 901, a third motor 902, a disc 903, a rack 904 and a gear 905, wherein the mounting box 901 is connected below a transverse plate 803 through two arc-shaped rods, the third motor 902 is mounted on the left side wall of the mounting box 901, the output end of the third motor 902 is fixedly connected with the gear 905, the gear 905 is rotatably connected in the mounting box 901, the rack 904 is slidably connected on the upper side wall of the inner cavity of the mounting box 901 and is meshed with the gear 905, the disc 903 is positioned outside the mounting box 901 and is fixedly connected with the rack 904, an electric push rod 10 is arranged below the mounting box 901, the electric push rod 10 is mounted on the surface of a table top 2, the telescopic end of the electric push rod 10 is fixedly connected with a U-shaped frame, and the U-shaped frame is fixedly connected with the transverse plate 801, and one of the outer walls of the connecting columns 801 is provided with scales.
After tension test and compression test are performed on the test spring 1, deformation of the test spring 1 needs to be measured, and therefore performance of the test spring 1 is evaluated, and the specific measurement method comprises the following steps of firstly starting an electric push rod 10 to drive a transverse plate 803 and an installation box 901 to move until a disc 903 moves right above the test spring 1, starting a third motor 902 to drive a gear 905 to move and a rack 904 meshed with the gear 905 to move, driving the disc 903 fixedly connected with the rack 904 to move until the disc 903 moves right above the test spring 1, then starting the electric push rod 10 to drive the disc 903 to descend until the disc 903 is attached to the top of the test spring 1, observing the scale position of the transverse plate 803 on a connecting column 801 at the moment, and subtracting the length of the test spring 1 before test to obtain the deformation.
As shown in fig. 8, the connection assembly includes a positioning box 305 and a positioning pin 306, the positioning box 305 is provided with two positioning pins respectively fixedly connected to the outer walls of different inner cylinders 302, two ends of the positioning pin 306 are respectively inserted between the two positioning boxes 305, and two ends of the positioning pin 306 have a width larger than that of the opening of the positioning box 305.
When the inner cylinder 302 moves, the positioning box 305 and the inner cylinder 302 move synchronously, and at this time, the position of the positioning pin 306 in the positioning box 305 changes, and the positioning pin 306 connects the two inner cylinders 302 together because the end width of the positioning pin 306 is larger than the opening width of the positioning box 305.
The working process comprises the following steps: before testing the test spring 1, the test spring is firstly placed in the inner cylinder 302, during pressure testing, the hydraulic cylinder 701 is used for performing pressure testing on the test spring 1, during tensile testing, the upper end and the lower end of the test spring 1 are fixed through the first positioning mechanism and the second positioning mechanism, then the hydraulic cylinder 701 is used for driving the second positioning mechanism to stretch the test spring, after testing, the test spring is detected through the measuring assembly, and the tensile property or the compression resistance of the test spring is evaluated through the length change of the test spring.
It will be apparent to those skilled in the art that the described embodiments are merely some, but not all, of the embodiments of the invention and that various modifications or additions may be made to the specific embodiments described or substituted in a similar way without deviating from the spirit of the invention or beyond the scope of the invention as defined in the appended claims. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides a spring test device, includes desktop (2), its characterized in that: the surface of the tabletop (2) is provided with a limiting mechanism, and the limiting mechanism comprises an outer cylinder (301), an inner cylinder (302), a first spring (303) and a sliding rail (304);
The novel multifunctional table top comprises an outer cylinder (301), an inner cylinder (302), an inner cylinder (301) and a table top (2), wherein the outer cylinder (301) and the inner cylinder (302) are fixedly connected with the table top (2), the inner cylinder (302) is composed of two semicircular rings, the two semicircular rings are movably connected, a first spring (303) is arranged between the outer cylinder (301) and the inner cylinder (302), a connecting component is arranged between the two semicircular rings, a sliding rail (304) is fixedly connected to the upper surface of the table top (2), the sliding rail (304) is positioned in the outer cylinder (301), the inner cylinder (302) is in sliding connection with the sliding rail (304), and a first positioning mechanism and a second positioning mechanism are respectively arranged at the bottom and the upper part of the table top (2);
the first positioning mechanism comprises a first motor (401), a connecting plate (402), a screw rod (403), inclined blocks (404), a fixed rail (405), bolts (406), positioning cylinders (407) and a second spring (408), wherein the fixed rail (405) is symmetrically arranged on the lower surface of a tabletop (2), a supporting plate is fixedly connected between the two fixed rails (405), the first motor (401) is arranged on the surface of the supporting plate, the output end of the first motor (401) is fixedly connected with the screw rod (403), the inclined blocks (404) are in sliding connection with the fixed rail (405), the connecting plate (402) is fixedly connected between the two inclined blocks (404), the screw rod (403) is in threaded connection with the connecting plate (402), square holes matched with the inclined blocks (404) are formed in the surface of the tabletop (2), the positioning cylinders (407) are symmetrically fixedly connected on the outer wall of the outer pin (301), one end of each inner cylinder (406) is slidably connected in the positioning cylinder (407) and slidably connected with the outer pin (301) and extends to the other end of the outer pin (406) of the outer pin (301), and the other end of each outer pin (406) is fixedly connected with the other end of the corresponding outer pin (407) in a sleeved mode;
The utility model provides a table top, including connecting block (501), second motor (502), threaded rod (503), remove frame (504), U type pole (505), transmission case (506), locking element and limiting plate (511), connecting block (501) are located the top of desktop (2), connecting block (501) and telescopic member are connected, install on the lateral wall of connecting block (501) second motor (502), the output and threaded rod (503) fixed connection of second motor (502), threaded rod (503) rotate and connect in connecting block (501), the one end sliding connection of removing frame (504) is in connecting block (501) and with threaded rod (503) threaded connection, the other end of removing frame (504) extends to the outside of connecting block (501), transmission case (506) sliding connection is in removing frame (504) and with U type pole (505) fixed connection, locking element sets up in transmission case (506), U type pole (505) and test spring (1) cooperation, limiting plate (511) fixed connection is in surface mounting (601) surface mounting has on connecting block (601).
2. A spring testing device according to claim 1, wherein: the locking assembly comprises jacks (507), rotating parts (508), inserting rods (509) and third springs (510), wherein the jacks (507) are linearly and uniformly arranged on the left side wall and the right side wall of the movable frame (504), the rotating parts (508) are composed of two rotating rods which are connected in a rotating mode, the rotating parts (508) are connected in the transmission case (506) in a rotating mode, one ends of the inserting rods (509) are connected with the rotating rods in a rotating mode, the other ends of the inserting rods (509) extend into the jacks (507), and the third springs (510) are fixedly connected between the two inserting rods (509).
3. A spring testing device according to claim 1, wherein: the surface fixing of installing frame (601) is connected with mounting panel (602), mounting panel (602) are located directly over urceolus (302), the last surface mounting of mounting panel (602) has pneumatic cylinder (701), the flexible end and the pressure disk (703) fixed connection of pneumatic cylinder (701), the bottom fixedly connected with gag lever post (702) of pressure disk (703), connecting block (501) are relative face and pressure disk (703) fixed connection.
4. A spring testing device according to claim 1, wherein: the utility model discloses a desktop, including desktop (2), spliced pole (801) are connected with in both ends about, spliced pole (801) opposite side and towards one side of installing frame (601) are the opening, fixedly connected with fourth spring (802) in spliced pole (801), two sliding connection has diaphragm (803) between spliced pole (801), diaphragm (803) and fourth spring (802) fixed connection, the below of diaphragm (803) is connected with measuring assembly.
5. A spring testing device according to claim 4, wherein: the measuring assembly comprises a mounting box (901), a third motor (902), a disc (903), a rack (904) and a gear (905), wherein the mounting box (901) is connected to the lower portion of a transverse plate (803) through two arc-shaped rods, the third motor (902) is mounted on the left side wall of the mounting box (901), the output end of the third motor (902) is fixedly connected with the gear (905), the gear (905) is rotationally connected in the mounting box (901), the rack (904) is slidably connected to the upper side wall of the inner cavity of the mounting box (901) and is meshed with the gear (905), the disc (903) is located outside the mounting box (901) and is fixedly connected with the rack (904), an electric push rod (10) is arranged below the mounting box (901), the electric push rod (10) is mounted on the surface of a tabletop (2), a U-shaped frame is fixedly connected to the telescopic end of the electric push rod (10), and the U-shaped frame is fixedly connected with the transverse plate (803), and one of the U-shaped frame is fixedly connected with the outer wall of the mounting box (801) is provided with a scale column.
6. A spring testing device according to claim 1, wherein: the connecting assembly comprises a positioning box (305) and positioning pins (306), wherein the positioning box (305) is provided with two positioning pins which are respectively and fixedly connected to the outer walls of different inner cylinders (302), two ends of each positioning pin (306) are respectively inserted between the two positioning boxes (305), and the widths of the two ends of each positioning pin (306) are larger than the opening of each positioning box (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113945346A (en) * | 2021-10-15 | 2022-01-18 | 江西弘力汽车零部件有限公司 | Leaf spring fatigue test device |
| CN216349273U (en) * | 2021-10-27 | 2022-04-19 | 苏州嘉南兴业五金机电有限公司 | Spring elasticity test machine for spring production |
| CN115326370A (en) * | 2022-06-27 | 2022-11-11 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Spring test device and spring test system |
| CN115901205A (en) * | 2022-11-06 | 2023-04-04 | 钟祥东弹汽车零部件有限公司 | Steel plate spring fatigue testing device and using method thereof |
| CN219552066U (en) * | 2023-03-03 | 2023-08-18 | 湖北鑫航建筑工程质量检测有限公司 | Metal spring testing device |
| CN116779498A (en) * | 2023-08-23 | 2023-09-19 | 无锡安鑫卓越智能科技有限公司 | Testing device for semiconductor wafer surface |
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| WO2014023014A1 (en) * | 2012-08-10 | 2014-02-13 | 浙江三花股份有限公司 | Electronic expanding valve |
| CN208606995U (en) * | 2018-06-13 | 2019-03-15 | 广东南利科技有限公司 | A kind of numerical control spring fatigue tester |
| CN113945346A (en) * | 2021-10-15 | 2022-01-18 | 江西弘力汽车零部件有限公司 | Leaf spring fatigue test device |
| CN216349273U (en) * | 2021-10-27 | 2022-04-19 | 苏州嘉南兴业五金机电有限公司 | Spring elasticity test machine for spring production |
| CN115326370A (en) * | 2022-06-27 | 2022-11-11 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Spring test device and spring test system |
| CN115901205A (en) * | 2022-11-06 | 2023-04-04 | 钟祥东弹汽车零部件有限公司 | Steel plate spring fatigue testing device and using method thereof |
| CN219552066U (en) * | 2023-03-03 | 2023-08-18 | 湖北鑫航建筑工程质量检测有限公司 | Metal spring testing device |
| CN116779498A (en) * | 2023-08-23 | 2023-09-19 | 无锡安鑫卓越智能科技有限公司 | Testing device for semiconductor wafer surface |
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