CN217237502U

CN217237502U - Pressure testing machine with quick positioning function

Info

Publication number: CN217237502U
Application number: CN202123452935.8U
Authority: CN
Inventors: 刘雄飞; 陈前; 李翔; 程茂山; 程朝发
Original assignee: Wuhan Xinyunhai Concrete Co ltd
Current assignee: Wuhan Xinyunhai Concrete Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-19
Anticipated expiration: 2031-12-31

Abstract

The application relates to a compression testing machine with quick locate function especially relates to the field of compression testing machine fittings, and it is including pushing down the platform, it is provided with two locating plates, two to push down platform one side the locating plate is parallel to each other, it is used for driving two still to be provided with on the platform to push down the driving piece of locating plate relative motion. The application has the effect of reducing the possibility of the irregular sample moving or turning over during the test.

Description

Pressure testing machine with quick positioning function

Technical Field

The application relates to the field of pressure tester accessories, in particular to a pressure tester with a quick positioning function.

Background

The pressure tester is also called an electronic pressure tester, and is mainly suitable for testing various physical and mechanical properties of materials such as rubber, plastic plates, pipes, profiled bars, plastic films, electric wires and cables, waterproof coiled materials, metal wires, cartons and the like. Pressure testing machine includes the organism, go up and press the platform down, go up and press the platform and go up and down in the activity on the organism, during the maximum pressure that can bear of test sample, at first place the sample in pressing down the bench, start the lift switch who presses the platform afterwards, it moves to the direction that is close to and presses down the platform to press the platform on, press the platform surface under keeping away from in the sample until the butt, continue to press down afterwards, press the platform and will place the sample crushing on pressing down the bench until going up, at this moment, the organism is to the computer end transmission pressure value that presses the platform driven, thereby reachs the maximum pressure that the sample can bear.

In view of the above-mentioned related art, the inventor believes that when the shape of the test sample is irregular, the sample is likely to slide or turn during the test process when the sample is pressed down by the upper pressing table, and the test data is affected, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that an irregular sample moves or turns over in the testing process, the application provides a pressure testing machine with a quick positioning function.

The application provides a compression testing machine with quick locate function adopts following technical scheme:

pressure testing machine with quick locate function, including pushing down the platform, it is provided with two locating plates to push down platform one side, two the locating plate is parallel to each other, it is used for driving two still to be provided with on the platform to push down the driving piece of locating plate relative motion.

Through adopting above-mentioned technical scheme, when carrying out pressure test to the sample, place the sample between two locating plates, start the driving piece afterwards, two locating plates of driving piece drive are close to each other, and the surface and the sample performance of two locating plates are pasted mutually and are touched, stop the drive promptly, and two locating plates fix a position the sample to effectively reduce the shape sample and take place the possibility of turning on one's side or shifting pushing down the in-process, thereby reduce the influence to sample test data.

Optionally, the driving piece includes double-end screw and gag lever post, double-end screw's axis direction with the axis direction of gag lever post is parallel to each other, it is provided with two mounting panels that are parallel to each other to push down platform one side, double-end screw rotates to be connected on the mounting panel, the gag lever post sets up on the mounting panel, locating plate threaded connection is in on the double-end screw, the locating plate slides the cover and establishes on the gag lever post, the locating plate activity is pasted and is touched in the sample surface that is used for the test.

Through adopting above-mentioned technical scheme, rotating the double threaded screw, under the restriction of gag lever post, two locating plates move on the double threaded screw in opposite directions to the direction that is close to the sample removes, can realize the relative motion of two locating plates through rotating a double threaded screw, realizes fixing a position the sample fast, compares in using a plurality of screws, saves material resources.

Optionally, the pressing table is further provided with a lifting piece for lifting the double-end screw and the limiting rod.

Through adopting above-mentioned technical scheme, at the sample height inequality, utilize the height of lifting unit regulation double-end screw and gag lever post for the locating plate can press from both sides the central point that locates the sample and put, and the location is more firm, promotes that the sample is more smooth at the sliding process of pushing down the platform, reduces the possibility that promotes the sample in-process and fall the sample.

Optionally, the lifting piece includes lifting screw, the mounting panel movable sleeve is located on the lifting screw, threaded connection has the lifting nut on the lifting screw, one side butt of mounting panel in the lifting nut is close to on the terminal surface of mounting panel, still be provided with on the lifting screw and be used for the locking piece of mounting panel position.

Through adopting above-mentioned technical scheme, when the height of regulation mounting panel, rotate the lifting nut on the lifting screw, until the lifting nut with mounting panel butt to the height that needs, utilize the locking piece to lock the position of mounting panel afterwards, utilize lifting nut to realize the regulation to the mounting panel position, adjust easy operation, and the altitude mixture control precision is high.

Optionally, the locking piece includes a locking nut screwed on the lifting screw, and the locking nut is movably abutted on the end surface of the mounting plate far away from the lifting nut.

By adopting the technical scheme, when the mounting plate is locked, the locking nut on one side of the mounting plate, which is far away from the lifting nut, is rotated until the end face of the locking nut, which is close to the mounting plate, abuts against one side of the mounting plate, so that the positions of the mounting plate are fixed by utilizing the lifting nut and the locking nut, the nut is easy to obtain, and the locking is firm.

Optionally, a plurality of jacks are formed in the mounting plate, the plurality of jacks are arranged in a direction perpendicular to the axis of the limiting rod, the jacks are matched with the limiting rod, a plurality of mounting holes corresponding to the jacks are formed in the positioning plate, the limiting rod penetrates through the jacks and the mounting holes and is movably connected to the mounting plate, and fixing parts are arranged between the limiting rod and the hole wall of the jacks.

Through adopting above-mentioned technical scheme, the size according to different samples is different, the jack that selects to correspond inserts the gag lever post, and continue to pass the mounting hole that corresponds on the locating plate with the gag lever post, utilize the mounting to fix the gag lever post, make the distance between gag lever post and the double-end screw and the size adaptation of sample, when fixing a position the sample, directly place the sample between double-end screw and gag lever post, utilize double-end screw and gag lever post to carry out the prepositioning to the sample, the locating plate is promoting sample in-process and is moving the stroke still less, positioning speed is faster.

Optionally, the fixing part includes an insert and a spring, a mounting groove adapted to the insert is formed in the limiting rod, an opening direction of the mounting groove is perpendicular to an axis direction of the limiting rod, one end of the spring is fixedly connected to a bottom wall of the mounting groove, the other end of the spring is fixedly connected to the insert, a slot adapted to the insert is formed in a hole wall of the insertion hole, and the insert is movably inserted into the slot.

Through adopting above-mentioned technical scheme, when fixed gag lever post, press the inserted block in the mounting groove, pass the gag lever post in the jack on the mounting panel of the double-end screw rod other end to the jack on the mounting panel of the double-end screw rod other end afterwards, the inserted block that till the inserted block at gag lever post both ends corresponds with the slot on the jack pore wall, loosen the inserted block this moment, the spring is with the inserted block butt in the slot, utilize the spring to realize fixed to the gag lever post, reduce the locating plate slip in-process, the gliding possibility of gag lever post, and utilize spring and inserted block, it is fixed easy, dismantle swiftly.

Optionally, one end of the double-head screw is fixedly connected with a plum blossom hand wheel.

Through adopting above-mentioned technical scheme, when rotating double-end screw, rotate the plum blossom hand wheel of fixed connection on double-end screw, the plum blossom hand wheel provides the rotation handheld point for rotating, and it is easier to rotate, compares in utilizing the motor, and manual regulation control accuracy is higher, reduces because of the locating plate presss from both sides the possibility of establishing the sample tension and influence pressure test data.

In summary, the present application includes at least one of the following beneficial technical effects:

when a sample is subjected to a pressure test, the sample is placed between the double-end screw and the limiting rod, the double-end screw is driven to rotate, the positioning plates on the double-end screw move oppositely until the positioning plates are attached to the surface of the sample, the possibility of overturning or shifting the sample in the pressing process is reduced by utilizing the positioning of the positioning plates, and particularly, the effect is better for the sample with an irregular shape;

according to different shapes of samples to be tested, the limiting rods are adjusted to be arranged in different jacks and corresponding mounting holes thereof, so that the distance between the double-threaded screw and the limiting rods is matched with the size of the samples, the pre-positioning of the samples is realized, the pushing stroke of the positioning plate on the samples is reduced, and the positioning speed is higher;

the removal of manual regulation locating plate is comparing in the rotation that utilizes motor drive double threaded screw, and is higher to the distance control precision between the locating plate to prevent pressing from both sides the dynamics of establishing too big and influence test data to the sample.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 mainly shows a stopper rod and a fixing member.

Fig. 3 is an enlarged schematic view of B in fig. 2.

Fig. 4 is an enlarged schematic view of a structure in fig. 1.

Reference numerals: 1. an upper pressing table; 2. pressing down the platform; 3. positioning a plate; 31. mounting holes; 4. a drive member; 41. a double-ended screw; 411. a plum blossom hand wheel; 42. a limiting rod; 421. mounting grooves; 5. mounting a plate; 51. a jack; 511. inserting slots; 6. a lifting member; 61. a lifting screw; 62. a lifting nut; 7. a locking member; 71. a locking nut; 8. a fixing member; 81. inserting a block; 82. a spring; 9. and a frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses compression testing machine with quick locate function. Referring to fig. 1, the pressure testing machine with quick locate function includes the frame 9 of vertical setting, be provided with down and press platform 2 and last pressure platform 1 in the frame 9, it is located down and presses platform 2 directly over to press platform 1 on, it sets up on frame 9 to press platform 1 over-and-under, it fixes on frame 9 to press platform 2 down, it is the cylinder physique to press platform 2 to set up down, after placing the sample on pressing platform 2 down, start and press platform 1 on, press platform 1 to the direction motion that is close to press platform 2 down, press platform 1 and press platform 2 to crush the sample up until, the testing machine obtains pressure data this moment, thereby test out the maximum pressure that the sample bore.

Referring to fig. 1, two positioning plates 3 parallel to each other are fixed above a lower pressing table 2, the positioning plates 3 are arranged to be rectangular bodies, a driving part 4 used for driving the two positioning plates 3 to move in opposite directions is further arranged on the lower pressing table 2, the driving part 4 comprises a double-headed screw 41 and a limiting rod 42, the double-headed screw 41 and the limiting rod 42 are both arranged to be cylindrical bodies, the axis direction of the double-headed screw 41 and the axis direction of the limiting rod 42 are parallel to each other, the positioning plates 3 are in threaded connection with one end of the double-headed screw 41 along one side of the length direction, the positioning plates 3 are in sliding sleeve with the other side of the length direction on the peripheral sides of the limiting rod 42, the distance between the double-headed screw 41 and the limiting rod 42 is matched with the length of the positioning plates 3, the end parts at the two ends of the double-headed screw 41 are both rotatably connected with mounting plates 5, and the two ends of the limiting rod 42 are both movably arranged on the mounting plates 5. When a sample needs to be positioned, the sample is firstly placed between the double-threaded screw 41 and the limiting rod 42, then the double-threaded screw 41 is rotated, the positioning plates 3 which are in threaded connection with the double-threaded screw 41 move oppositely along the axial direction of the double-threaded screw 41 under the limitation of the limiting rod 42 and move towards the direction close to the sample, after the two positioning plates 3 are attached to the surface of the irregular sample, the rotation is stopped, at the moment, the two positioning plates 3 position the sample and limit the moving space of the sample, and the possibility that the sample slides or overturns on the pressing platform 2 in the pressing process of the pressing platform 1 is reduced.

Refer to fig. 1, for the convenience of double-end screw 41's rotation, wear out one of mounting panel 5 at double-end screw 41 and serve fixedly connected with plum blossom hand wheel 411, when rotating double-end screw 41, it can realize to rotate plum blossom hand wheel 411, on the one hand, plum blossom hand wheel 411 provides handheld point for double-end screw 41's rotation, on the other hand, utilize manual adjusting screw to rotate, compare in utilizing the motor to rotate, the degree of establishing of pressing from both sides of control locating plate 3 of being convenient for, the reduction is too fast because of the screw slew velocity, make locating plate 3 press from both sides tight degree too big to the sample, thereby destroy the sample or influence the condition production of experimental data.

Referring to fig. 1, in order to adapt to samples of different sizes, six jacks 51 arranged in the direction perpendicular to the axis of the limiting rod 42 are formed in the two mounting plates 5, the jacks 51 are adapted to the limiting rod 42, six mounting holes 31 are formed in the positioning plate 3, the six mounting holes 31 correspond to the six jacks 51 one by one, according to the size of the sample, the limiting rod 42 is selectively inserted into the appropriate mounting holes 31 and jacks 51, so that the distance between the double-headed screw 41 and the limiting rod 42 is adapted to the positioning plate 3, and therefore samples of different inner diameters are clamped between the double-headed screw 41 and the positioning plate 3, and the device is higher in universality.

Referring to fig. 2, 3 and 4, a fixing member 8 for fixing the limiting rod 42 and the insertion hole 51 is further disposed between the limiting rod 42 and the hole wall of the insertion hole 51, the fixing member 8 includes an insertion block 81 and a spring 82, a mounting groove 421 adapted to the insertion block 81 is disposed on the end circumference of the limiting rod 42, the opening direction of the mounting groove 421 is perpendicular to the axial direction of the limiting rod 42, the spring 82 is fixedly connected to the inner bottom wall of the mounting groove 421, the insertion block 81 is fixedly connected to one end of the spring 82 far away from the limiting rod 42, the insertion block 81 is disposed in a rectangular shape, a slot 511 adapted to the insertion block 81 is disposed on the side wall of the insertion hole 51, the volume of the slot 511 is equal to half of the volume of the insertion block 81, half of the insertion block 81 is inserted into the slot 511, the other half of the insertion block 81 abuts against one side of the mounting plate 5 far away from the other mounting plate 5, when the limiting rod 42 is fixed, the insertion block 81 at one end of the limiting rod 42 is firstly pressed into the mounting groove 421, the mounting plate 5 at one end of the screw rod penetrates through the mounting plate 5 at the other end of the screw rod until the insert block 81 on the limiting rod 42 corresponds to the slot 511 on the mounting plate 5, the insert block 81 is loosened at the moment, the insert block 81 rebounds into the slot 511 under the elastic action of the spring 82, the insert block 81 at the other end of the limiting rod 42 corresponds to the slot 511 synchronously, the spring 82 at the other end rebounds synchronously, the insert blocks 81 at two ends are clamped in the slot 511, the limiting rod 42 is fixed under the splicing action of the insert blocks 81 at two ends of the limiting rod 42, the insert blocks 81 at two sides limit the limiting rod 42 synchronously, and the insert blocks 81 at two sides have certain limiting action on the limiting rod 42 in the rotating process of the limiting rod 42, so that the possibility that the limiting rod 42 slides in the mounting plate 5 is reduced.

Referring to fig. 4, the lower platen 2 is further provided with a lifting member 6 for lifting the double-headed screw 41 and the limiting rod 42, the lifting member 6 includes a lifting screw 61, the lifting screw 61 is fixedly connected to the peripheral side of the lower platen 2, the mounting plate 5 is movably sleeved on the lifting screw 61 along the vertical direction, a lifting nut 62 is connected to the lifting screw 61 in a threaded manner, one side of the mounting plate 5 abuts against the end surface of the lifting nut 62 close to the mounting plate 5, when the heights of samples to be measured are not consistent, the lifting nut 62 is rotated to lift the mounting plate 5 abutting against the lifting nut 62 on the lifting screw 61, so as to change the distance between the double-headed screw 41 and the limiting rod 42 and the top surface of the upper platen 1, when samples with different heights are tested, the clamping position of the sample by the positioning plate 3 is closer to the central position of the sample along the height direction, so that in the process of pushing the sample, effectively reducing the possibility that the sample slips or turns over in the pushing process.

Referring to fig. 4, a locking member 7 for locking the position of the mounting plate 5 is further provided on the lifting screw 61, the locking member 7 includes a locking nut 71 screwed to the lifting screw 61, and the locking nut 71 is movably abutted on an end surface of the mounting plate 5 away from the lifting nut 62. After the lifting nut 62 abuts the mounting plate 5 to a proper position, the locking nut 71 is rotated until the end face of the locking nut 71 close to the mounting plate 5 abuts on the end face of the mounting plate 5 far from the lifting nut 62, at this time, the mounting plate 5 is locked by the lifting nut 62 and the locking nut 71, so that the position of the mounting plate 5 is fixed, the mounting plate 5 is locked by the locking nut 71, locking is firm, and operation is simple.

The embodiment of the application provides a compression testing machine with quick locate function's implementation principle does: when a sample is fixed, firstly, according to the size of an irregular sample to be tested, the distance between the limiting rod 42 and the double-end screw rod 41 is adjusted, so that the distance between the double-end screw rod 41 and the limiting rod 42 is matched with the size of the sample, then the sample is placed between the double-end screw rod 41 and the limiting rod 42 to pre-position the sample, then the plum blossom hand wheel 411 is rotated, the two positioning plates 3 move on the double-end screw rod 41 towards the direction close to the sample until the two positioning plates 3 are attached to the peripheral side of the sample, so that the position of the irregular sample placed on the lower pressure table 2 is positioned, the moving position of the sample in the pressure receiving test process is limited by the positioning plates 3, and the possibility that the irregular sample slides on the lower pressure table 2 in the pressure receiving process is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Compression testing machine with quick locate function, including pushing down platform (2), its characterized in that: the pressing device is characterized in that two positioning plates (3) are arranged on one side of the pressing platform (2), the two positioning plates (3) are parallel to each other, and a driving piece (4) used for driving the two positioning plates (3) to move in opposite directions is further arranged on the pressing platform (2).

2. The pressure tester with the rapid positioning function according to claim 1, characterized in that: drive piece (4) include double-end screw (41) and gag lever post (42), the axis direction of double-end screw (41) with the axis direction of gag lever post (42) is parallel to each other, push down platform (2) one side and be provided with two mounting panel (5) that are parallel to each other, double-end screw (41) rotate to be connected on mounting panel (5), gag lever post (42) set up on mounting panel (5), locating plate (3) threaded connection be in on double-end screw (41), locating plate (3) slip cap is established on gag lever post (42), locating plate (3) activity subsides are touched in the sample surface that is used for the test.

3. The compression tester with quick positioning function according to claim 2, wherein: the pressing table (2) is also provided with a lifting piece (6) used for lifting the double-end screw (41) and the limiting rod (42).

4. The compression tester with quick positioning function according to claim 3, wherein: lifting member (6) are including lifting screw (61), mounting panel (5) movable sleeve is located on lifting screw (61), threaded connection has lifting nut (62) on lifting screw (61), one side butt of mounting panel (5) in lifting nut (62) are close to on the terminal surface of mounting panel (5), still be provided with on lifting screw (61) and be used for the locking piece (7) of mounting panel (5) position.

5. The compression tester with quick positioning function according to claim 4, wherein: the locking piece (7) comprises a locking nut (71) which is in threaded connection with the lifting screw rod (61), and the locking nut (71) is movably abutted to the end face, far away from the lifting nut (62), of the mounting plate (5).

6. The compression tester with quick positioning function according to claim 2, wherein: offer a plurality of jack (51) on mounting panel (5), it is a plurality of jack (51) are along the perpendicular to gag lever post (42) axis direction is laid, jack (51) with gag lever post (42) looks adaptation, set up a plurality of with on locating plate (3) mounting hole (31) corresponding with jack (51), gag lever post (42) pass jack (51) with mounting hole (31) and swing joint be in on mounting panel (5), gag lever post (42) with be provided with between the pore wall of jack (51) mounting member (8).

7. The compression tester with quick positioning function according to claim 6, wherein: the fixing piece (8) comprises an inserting block (81) and a spring (82), a mounting groove (421) matched with the inserting block (81) is formed in the limiting rod (42), the opening direction of the mounting groove (421) is perpendicular to the axis direction of the limiting rod (42), one end of the spring (82) is fixedly connected to the bottom wall of the mounting groove (421), the other end of the spring (82) is fixedly connected to the inserting block (81), a slot (511) matched with the inserting block (81) is formed in the hole wall of the inserting hole (51), and the inserting block (81) is movably inserted into the slot (511).

8. The compression tester with quick positioning function according to claim 2, wherein: one end of the double-head screw rod (41) is fixedly connected with a plum blossom hand wheel (411).