CN210051653U

CN210051653U - Pressure testing machine convenient to clearance and security performance are high

Info

Publication number: CN210051653U
Application number: CN201920504120.3U
Authority: CN
Inventors: 马洪丽; 王博
Original assignee: Beijing Runhong Technology Testing Co Ltd
Current assignee: Beijing Runhong Technology Testing Co Ltd
Priority date: 2019-04-13
Filing date: 2019-04-13
Publication date: 2020-02-11
Anticipated expiration: 2029-04-13

Abstract

The utility model relates to a compression testing machine convenient to clearance and security performance are high relates to check out test set technical field, and its technical scheme includes the workstation, sets firmly cylinder piece on the workstation, fixed connection hold the flitch on the cylinder piece, set up the pressure plate, drive of exerting pressure in the drive hold the flitch top exert the drive assembly that the pressure plate rises or descend and set up on the workstation and be used for installing drive assembly's mounting bracket, it is external to exert the pressure plate has pressure sensor, the mounting bracket includes the vertical pole of a pair of rigid coupling on the workstation and sets firmly the horizontal plate between two vertical poles, and two vertical poles set up for the vertical axis symmetry of cylinder piece, the horizontal plate bottom is provided with the protection casing that can stretch out and draw back. The utility model has the advantages that the staff of being convenient for clears up the piece after the experiment, prevents simultaneously that the concrete test block from popping out when cracked and hindering the staff.

Description

Pressure testing machine convenient to clearance and security performance are high

Technical Field

The utility model belongs to the technical field of the check out test set technique and specifically relates to a compression testing machine convenient to clearance and security performance are high is related to.

Background

The pressure tester is mainly used for the compression strength test of building materials such as bricks, cement mortar, concrete and the like, and can also be used for the mechanical property test of other materials.

The use of concrete can not be avoided in the modern building, and in the use of concrete, after needing the concrete to accord with certain standard, can just use, and one of them more important criterion is the withstand voltage ability of concrete, therefore, compression testing machine is essential check out test set.

The pressure testing machine in the prior art comprises a workbench, a material bearing plate positioned on the workbench, a pressure applying plate arranged above the material bearing plate and a driving assembly for driving the pressure applying plate to ascend or descend, wherein a pressure sensor is externally connected with the pressure applying plate.

During operation, place the concrete test block on the material bearing plate, drive assembly drive is executed the clamp plate and is moved downwards, applys decurrent pressure to the concrete test block, like this, just can obtain the maximum pressure value that receives when the concrete test block is cracked through pressure sensor, and after the test is accomplished, drive assembly drive is executed the clamp plate and is moved upwards and separate with the concrete test block.

The above prior art solutions have the following drawbacks: after the test is accomplished to the concrete test block, have some garrulous ends and fragment unrestrained to hold flitch and workstation on, the staff is comparatively troublesome when clearing up the garrulous end, and the concrete test block when cracked, produced fragment, piece pop out easily and hinder the people, have great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a compression testing machine convenient to clearance and security performance are high, its advantage is convenient for the staff to clear up the piece after the experiment, prevents simultaneously that the concrete test block from popping out when cracked and hindering the staff.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a compression testing machine convenient to clearance and security performance are high, includes the workstation, sets firmly cylinder piece, the holding plate of fixed connection on the cylinder piece on the workstation, set up the clamp plate of executing, drive of holding plate top and execute the drive assembly that the clamp plate rises or descend and set up the mounting bracket that just is used for installing drive assembly on the workstation, it is external to have pressure sensor to execute the clamp plate, the mounting bracket includes a pair of rigid coupling vertical pole on the workstation and sets firmly the horizontal plate between two vertical poles, and two vertical poles set up for the vertical shaft symmetry of cylinder piece, the horizontal plate bottom is provided with the protection casing that can stretch out and draw back.

By adopting the technical scheme, when the bearing capacity of the concrete test block is detected, the concrete test block is placed on the material bearing plate, then the protective cover is extended to enable the lower end of the protective cover to be abutted against the cylindrical block, the driving component is started to drive the pressing plate to move downwards, downward pressure is applied to the concrete test block, so that the maximum pressure value suffered by the concrete test block when the concrete test block is cracked can be obtained through the pressure sensor, after the test is finished, the driving component drives the pressing plate to move upwards to be separated from the concrete test block, then the protective cover is contracted, and the broken blocks and the scraps scattered on the material bearing plate and the cylindrical block are cleaned, through the protection casing that sets up, reduced the scope that the concrete test block popped out when cracked, the subsequent clearance of staff of being convenient for has still avoided the concrete test block to hinder the staff when cracked simultaneously.

The utility model discloses further set up to: the protection casing is cylindrical, the protection casing includes fixed connection at the protection casing one of horizontal plate bottom and the protection casing two of slip setting in protection casing one, still is provided with on protection casing one and protection casing two and can restricts the gliding locating component of protection casing two.

Through adopting above-mentioned technical scheme, when testing the concrete test block, the contact locating component, then pulling protection casing two makes its downstream, and the bottom butt of protection casing two in the upper surface of cylinder piece, like this, when testing, the produced piece of concrete test block can only spill the inside of protection casing two, and it is comparatively convenient that the clearance gets up, and the concrete fragment that just bursts out can be blocked by protection casing two, avoids hindering the staff.

The utility model discloses further set up to: the positioning assembly comprises an elastic part and a clamping block, wherein the elastic part and the clamping block are horizontally fixed on the outer wall of the protective cover, the clamping block is far away from one end of the protective cover, the clamping block is provided with a groove on the side wall of the protective cover, the groove opening of the groove is formed towards the inner wall direction of the protective cover I, the elastic part is fixedly connected to the groove bottom of the groove and corresponds to the clamping block, a positioning hole is formed in the side wall of the protective cover I, and the positioning hole is arranged in a plurality along the vertical direction of the protective.

By adopting the technical scheme, the clamping block is clamped in the positioning hole under the condition that the second protective cover is not used, so that the second protective cover is placed in the first protective cover; when the second protective cover needs to be used, the clamping block is pressed by a hand, under the elastic action of the elastic piece, the clamping block moves towards one side close to the elastic piece and simultaneously extrudes the elastic piece, at the moment, the second protective cover is pulled to move downwards until the positioning column is clamped in a proper positioning hole, and meanwhile the bottom of the second protective cover abuts against the upper surface of the cylindrical block.

The utility model discloses further set up to: and the first protective cover and the second protective cover are also provided with guide assemblies which can enable the clamping blocks to be accurately clamped to the positioning holes.

Through adopting above-mentioned technical scheme, through the direction subassembly that sets up, can make quick accurate joint of joint piece to the locating hole in, improve work efficiency.

The utility model discloses further set up to: the guide assembly comprises a guide block fixedly arranged on the outer wall of the protective cover, the guide block corresponds to the guide block, and a guide groove extending along the vertical axial direction of the guide block is formed in the inner wall of the protective cover I.

Through adopting above-mentioned technical scheme, when adjusting protection casing two up-and-down motion, the guide block moves in the guide way, can make protection casing two move along vertical direction all the time to make the joint piece joint more easily in the locating hole.

The utility model discloses further set up to: the elastic piece adopts a spring.

Through adopting above-mentioned technical scheme, the spring is with low costs, and easy, convenient to use.

The utility model discloses further set up to: the positioning assembly is symmetrically provided with two groups along the vertical axis of the first protective cover.

Through adopting above-mentioned technical scheme, through setting up two sets of locating component, can make two fixed more stable of protection casing.

The utility model discloses further set up to: the guide assemblies are symmetrically provided with two groups along the vertical axis of the first protective cover.

Through adopting above-mentioned technical scheme, through the two sets of direction subassemblies that set up, can make protection casing one more stable when rising or descending.

The utility model discloses further set up to: the driving assembly comprises a hydraulic cylinder arranged at the bottom of the horizontal plate, and a piston rod of the hydraulic cylinder is fixedly connected with the upper surface of the pressing plate.

Through adopting above-mentioned technical scheme, place the concrete test block on the material supporting plate, start the pneumatic cylinder, the piston rod of pneumatic cylinder drives and applies the clamp plate downstream, applies decurrent pressure to the concrete test block, and after experimental completion, the pneumatic cylinder drive piston rod shrink drives and applies the clamp plate simultaneously and rises, makes and applies the clamp plate and the separation of concrete test block.

The utility model discloses further set up to: an air outlet pipe is externally connected to the first protective cover, and a suction fan is arranged at one end, far away from the first protective cover, of the air outlet pipe.

Through adopting above-mentioned technical scheme, through the suction fan that sets up, when testing the concrete test block, produced powder can in time be siphoned away by the suction fan when the concrete test block is cracked, like this, when clearing up the residue, only need with the fragment pick up away can, the clearance is convenient.

To sum up, the utility model discloses a beneficial technological effect does:

1. the protective cover reduces the range of the concrete test block which is popped up when the concrete test block is cracked, is convenient for workers to clean subsequently, and simultaneously avoids the concrete test block from hurting the workers when the concrete test block is cracked;

2. through the suction fan that sets up, when testing the concrete test block, produced powder can in time be siphoned away by the suction fan when the concrete test block is cracked, like this, when clearing up the residue, only need with the fragment pick up away can, the clearance is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a drive assembly embodying the present invention;

FIG. 3 is a schematic view of the protective cover of the present invention;

fig. 4 is a schematic view of the outlet pipe of the present invention;

fig. 5 is a schematic view of the guide groove according to the present invention.

In the figure, 1, a workbench; 11. a cylindrical block; 111. a material bearing plate; 1111. a support bar; 1112. a connecting plate; 12. pressing a plate; 2. a mounting frame; 21. a vertical rod; 22. a horizontal plate; 3. a drive assembly; 31. a hydraulic cylinder; 311. a piston rod; 4. a first protective cover; 41. an air outlet pipe; 411. a suction fan; 5. a second protective cover; 6. a positioning assembly; 61. a spring; 611. a clamping block; 62. a groove; 63. positioning holes; 7. a guide assembly; 71. a guide block; 72. a guide groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a compression testing machine convenient to clearance and security performance is high, comprises a workbench 1, cylinder piece 11 on workstation 1 sets firmly, fixed connection is at the holding plate 111 on cylinder piece 11, set up the pressure plate 12 (see fig. 2) of exerting pressure in holding plate 111 top, the drive is exerted pressure plate 12 and is risen or the drive assembly 3 that descends (see fig. 2) and set up on workstation 1 and be used for installing drive assembly 3's mounting bracket 2, it is external to have pressure sensor (not drawn in the picture) to exert pressure plate 12, mounting bracket 2 includes a pair of rigid coupling vertical pole 21 on workstation 1 and sets firmly the horizontal plate 22 between two vertical poles 21, two vertical poles 21 set up for the vertical shaft symmetry of cylinder piece 11.

As shown in fig. 2, the driving assembly 3 includes a hydraulic cylinder 31 installed at the bottom of the horizontal plate 22, a piston rod 311 of the hydraulic cylinder 31 is fixedly connected to the upper surface of the pressing plate 12, two support rods 1111 are fixedly connected to the material receiving plate 111 along the vertical axis thereof, a connecting plate 1112 is fixedly connected to the upper ends of the two support rods 1111, the pressing plate 12 is located below the connecting plate 1112, and the piston rod 311 vertically penetrates through the connecting plate 1112 and is fixedly connected to the top surface of the pressing plate 12.

During the use, place the concrete test block on material bearing plate 111, start hydraulic cylinder 31, the piston rod 311 of hydraulic cylinder 31 drives and applies the clamp plate 12 downstream, applies downward pressure to the concrete test block, like this, just can obtain the maximum pressure value that receives when the concrete test block is cracked through pressure sensor, and after experimental completion, the piston rod 311 shrink drives simultaneously and applies clamp plate 12 upward movement, makes and applies clamp plate 12 and concrete test block separation.

After experimental completion, the staff need clear up the crushed aggregates that collapses on workstation 1 and material supporting plate 111, because the scope that the crushed aggregates collapsed is great, the staff clears up comparatively troublesome to the staff is hindered very easily to the concrete test block when cracked, consequently, is provided with the protection casing that can cover the concrete test block in the bottom of horizontal plate 22.

As shown in fig. 1 and 3, the shield includes a cylindrical shield one 4 fixedly connected to the bottom of the horizontal plate 22, and a shield two 5 slidably disposed on an inner wall of the shield one 4. Referring to fig. 4, an air outlet pipe 41 is externally connected to the side wall of the first shield 4, and a suction fan 411 is arranged at one end of the air outlet pipe 41 far away from the shield.

As shown in fig. 2 and 3, when the concrete test block is tested, the second protective cover 5 is slid to move downwards until the bottom of the second protective cover 5 abuts against the upper surface of the cylindrical block 11, and then the hydraulic cylinder 31 is started and the suction fan 411 (see fig. 4) is started, so that powder generated when the concrete test block is cracked can be sucked out of the interior of the protective cover by the suction fan 411, after the test is completed, when a worker cleans the concrete test block, only the broken blocks need to be picked up and cleaned, and the broken blocks generated during the cracking process of the concrete test block can be covered by the protective cover, so that the worker cannot be injured.

As shown in fig. 3, a positioning assembly 6 capable of limiting the sliding of the shield II 5 is arranged on the shield I4 and the shield II 5. The positioning assembly 6 comprises a pair of elastic members fixed on the outer wall of the second protection cover 5, the elastic members in this embodiment adopt springs 61, the axes of the springs 61 are perpendicular to the axes of the second protection cover 5, the two springs 61 are symmetrically arranged along the vertical axis of the second protection cover 5, two grooves 62 are formed in the side wall of the second protection cover 5, the notches of the grooves 62 are formed towards the inner wall of the first protection cover 4, the two springs 61 are fixedly connected to the bottoms of the grooves 62 respectively, a clamping block 611 is fixedly arranged at one end, far away from the second protection cover 5, of the springs 61, the clamping block 611 corresponds to the clamping block 611, a plurality of positioning holes 63 are formed in the side wall of the first protection cover 4, and the positioning holes 63 are arranged.

Under the condition that the second protective cover 5 is not used, the clamping block 611 is clamped in the positioning hole 63, so that the second protective cover 5 is stored in the first protective cover 4; when the second protective cover 5 needs to be used, the clamping block 611 is pressed by a hand, under the action of the elastic force of the spring 61, the clamping block 611 moves towards the direction of compressing the spring 61, at the moment, the second protective cover 5 is pulled to move downwards until the clamping block 611 is clamped in the proper positioning hole 63, and meanwhile, the bottom of the second protective cover 5 abuts against the upper surface of the cylindrical block 11 (see fig. 2).

In order to enable the clamping block 611 to be clamped into the positioning hole 63 more accurately, a guide assembly 7 for limiting the sliding direction of the second protective cover 5 is further arranged on the first protective cover 4 and the second protective cover 5. The guide assembly 7 comprises a pair of guide blocks 71 fixedly arranged on the outer wall of the second protection cover 5, the two guide blocks 71 are symmetrically arranged along the vertical axis of the first protection cover 4, corresponding to the guide blocks 71, guide grooves 72 (see fig. 5) are formed in the inner wall of the first protection cover 4, and the length direction of the guide grooves 72 is parallel to the vertical axis of the first protection cover 4.

Thus, when the second protection cover 5 moves up and down, the movement of the guide block 71 in the guide groove 72 can ensure that the second protection cover 5 always moves along the vertical shaft, so that the clamping block 611 is clamped in the positioning hole 63 more easily.

The implementation principle of the above embodiment is as follows: when the pressure testing machine is not used, the protective cover II 5 is folded inside the protective cover I4, when a concrete test block needs to be tested, the concrete test block is placed on the material bearing plate 111, then the clamping block 611 is pressed, the clamping block 611 moves towards the direction of the compression spring 61, at the moment, the protective cover II 5 is pulled to move downwards until the bottom of the protective cover II 5 abuts against the upper surface of the cylindrical block 11, and the clamping block 611 is clamped in the positioning hole 63;

the hydraulic cylinder 31 is started, the suction fan 411 is started simultaneously, the piston rod 311 of the hydraulic cylinder 31 drives the pressing plate 12 to move downwards to apply downward pressure to the concrete test block, therefore, the maximum pressure value received when the concrete test block is cracked can be obtained through the pressure sensor, meanwhile, powder generated when the concrete test block is cracked is sucked away by the suction fan 411, after the test is completed, the piston rod 311 contracts to simultaneously drive the pressing plate 12 to move upwards, the pressing plate 12 is separated from the concrete test block, and then a worker cleans the residual concrete block.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a compression testing machine convenient to clearance and security performance are high, includes workstation (1), sets firmly cylinder piece (11) on workstation (1), material holding plate (111) of fixed connection on cylinder piece (11), set up pressure applying plate (12) in material holding plate (111) top, drive pressure applying plate (12) rise or decline drive assembly (3) and set up on workstation (1) and be used for installing mounting bracket (2) of drive assembly (3), pressure applying plate (12) are external to have pressure sensor, mounting bracket (2) include vertical pole (21) of a pair of rigid coupling on workstation (1) and set firmly horizontal plate (22) between two vertical poles (21), and two vertical poles (21) set up characterized by for the vertical shaft symmetry of cylinder piece (11): the bottom of the horizontal plate (22) is provided with a telescopic protective cover.

2. The pressure tester of claim 1, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester comprises: the protection casing is cylindrical, the protection casing includes protection casing one (4) and the slip setting of fixed connection in horizontal plate (22) bottom protection casing two (5) in protection casing one (4), still is provided with on protection casing one (4) and protection casing two (5) and can restricts the gliding locating component (6) of protection casing two (5).

3. The pressure tester of claim 2, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester is characterized in that: locating component (6) are fixed in including the level elastic component and rigid coupling on the protection casing two (5) outer wall keep away from joint piece (611) of protection casing two (5) one end in the elastic component, seted up recess (62) on the lateral wall of protection casing two (5), the notch of recess (62) is seted up towards the inner wall direction of protection casing one (4), elastic component fixed connection corresponds joint piece (611) at the tank bottom of recess (62), has seted up locating hole (63) on the lateral wall of protection casing one (4), locating hole (63) are provided with a plurality ofly along the vertical direction interval of protection casing one (4).

4. The pressure tester of claim 2, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester is characterized in that: and the first protective cover (4) and the second protective cover (5) are also provided with a guide assembly (7) which can enable the clamping block (611) to be accurately clamped to the positioning hole (63).

5. The pressure tester of claim 4, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester comprises: the guide assembly (7) comprises a guide block (71) fixedly arranged on the outer wall of the second protective cover (5), the guide block (71) corresponds to the guide block, and a guide groove (72) extending along the vertical axial direction of the inner wall of the first protective cover (4) is formed in the inner wall of the first protective cover.

6. The pressure tester of claim 3, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester is characterized in that: the elastic piece adopts a spring (61).

7. The pressure tester of claim 2, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester is characterized in that: the positioning assemblies (6) are symmetrically provided with two groups along the vertical axis of the first protective cover (4).

8. The pressure tester of claim 4, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester comprises: the guide assemblies (7) are symmetrically provided with two groups along the vertical axis of the first protective cover (4).

9. The pressure tester of claim 1, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester comprises: the driving assembly (3) comprises a hydraulic cylinder (31) arranged at the bottom of the horizontal plate (22), and a piston rod (311) of the hydraulic cylinder (31) is fixedly connected with the upper surface of the pressing plate (12).

10. The pressure tester of claim 2, wherein the pressure tester is easy to clean and has high safety performance, and the pressure tester is characterized in that: an air outlet pipe (41) is externally connected to the first protective cover (4), and a suction fan (411) is arranged at one end, far away from the first protective cover (4), of the air outlet pipe (41).