CN214096948U

CN214096948U - Strain control type unconfined pressure gauge

Info

Publication number: CN214096948U
Application number: CN202023337350.7U
Authority: CN
Inventors: 汤纪媛; 吴玉华; 张永建
Original assignee: Changzhou Hengzheng Traffic Engineering Test Center Co ltd
Current assignee: Changzhou Hengzheng Traffic Engineering Test Center Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-31
Anticipated expiration: 2030-12-31

Abstract

The application relates to a strain control type unconfined pressure instrument, which relates to the technical field of test devices and comprises a base, wherein a group of supports are symmetrically and fixedly arranged on the base, a pressure gauge is fixedly arranged between the supports and positioned at the top of the supports, an upper pressing block is fixedly connected below the pressure gauge, a lower pressing block is arranged on the base and positioned right below the upper pressing block, and a lifting device for driving the lower pressing block to move in the vertical direction is also arranged on the base; be provided with on the lateral wall of briquetting down and receive the charging tray, receive the charging tray level setting, the symmetry is provided with a set of transparent baffle between the support, and the lateral wall of receiving the charging tray is laminated with transparent baffle's opposite face each other. This application has and causes the phenomenon of pollution to test environment when alleviating soil sample breakage, and the testing personnel of being convenient for carry out cleaning work's effect.

Description

Strain control type unconfined pressure gauge

Technical Field

The application relates to the technical field of testing devices, in particular to a strain control type unconfined pressure gauge.

Background

At present, an unconfined pressure meter is a test device for measuring axial pressure of a soil sample with high saturation under the condition that the lateral direction is not limited until a force value is received when the sample is damaged, and the unconfined compressive strength of the soil is obtained.

Have a no side limit pressure appearance in the design among the correlation technique, refer to fig. 3, it includes base 1, the symmetry is fixed to be provided with a set of support 2 on the base 1, the top of support 2 is provided with manometer 21, manometer 21's bottom is provided with briquetting 22, install elevating gear 31 on the base 1, elevating gear 31 is connected with briquetting 3 down, briquetting 3 is located briquetting 22 down, when testing soil sample, place soil sample on briquetting 3 down, drive briquetting 3 through elevating gear 31 and make progress briquetting 22 and move, it extrudees soil sample to go up briquetting 22 and briquetting 3 down, judge whether up to standard through manometer 21 when it takes place the breakage whether intensity of soil block.

In view of the above-mentioned related technologies, the inventor believes that the soil blocks are crushed by the lower pressing blocks and the lower pressing blocks, so that a lot of soil scraps are splashed, the test environment is polluted, and the cleaning work of testers is inconvenient, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the phenomenon that causes the pollution to test environment when soil sample is broken, the testing personnel of being convenient for carry out cleaning work, this application provides a strain control formula does not have lateral confinement manometer.

The application provides a strain control formula does not have lateral confinement manometer adopts following technical scheme:

a strain control type unconfined pressure instrument comprises a base, wherein a group of supports are symmetrically and fixedly arranged on the base and are arranged in the vertical direction, a pressure gauge is fixedly arranged between the supports and positioned at the top of the supports, an upper pressing block is fixedly connected below the pressure gauge, a lower pressing block is arranged on the base and positioned right below the upper pressing block, and a lifting device for driving the lower pressing block to move in the vertical direction is further arranged on the base; be provided with down on the lateral wall of briquetting and receive the charging tray, it sets up to receive the charging tray level, the symmetry is provided with a set of transparent baffle between the support, transparent baffle's length direction sets up along the direction of height of support, the lateral wall of receiving the charging tray is laminated with transparent baffle's opposite face each other.

Through adopting above-mentioned technical scheme, when testing the intensity of soil sample piece, place soil sample piece back on the lower pressure bench, drive briquetting motion upwards through elevating gear, lower briquetting extrudees soil sample piece with last briquetting, when soil sample piece takes place to extrude breakage, soil bits can drop to receiving on the charging tray, realize the collection to soil bits, some soil bits take place to splash and can collide with transparent baffle, avoid causing the pollution to testing personnel on every side, the recovery efficiency of soil bits has been improved, pollution to the experimental environment when having reduced soil sample piece breakage, thereby it is clean to be convenient for testing personnel.

Optionally, the material receiving disc is detachably connected with the lower pressing block, one side of the transparent baffle is rotatably connected with one of the supports, a connecting piece is arranged between the other side of the transparent baffle and the other support, and the connecting piece is used for connecting and detaching the transparent baffle and the supports.

Through adopting above-mentioned technical scheme, rotate transparent baffle to keeping away from the material collecting tray direction, dismantle between the material collecting tray and the briquetting down this moment, can take out the material collecting tray from the manometer to in to the soil bits of retrieving in the material collecting tray clear up, the back of finishing the clearance, install the material collecting tray under on the briquetting, rotate transparent baffle, utilize connecting piece transparent baffle and between fix, ensure that transparent baffle is located around the material collecting tray.

Optionally, the connecting piece includes magnetic part and adsorbs the piece, the magnetic part is fixed to be set up on transparent baffle, adsorb the fixed setting of piece and adsorb each other with the magnetic part on the support.

Through adopting above-mentioned technical scheme, utilize the mutual magnetic adsorption of absorption piece and magnetic part, be convenient for with interconnect or separation between transparent baffle and the support, improve the convenience of operation.

Optionally, the surface of the material receiving disc is provided with a mounting hole for inserting the lower pressing block in the center of the material receiving disc, the inner side wall of the mounting hole is attached to the outer side wall of the lower pressing block, a group of mounting blocks are symmetrically arranged on the inner side wall of the mounting hole, the mounting block and the material receiving disc are integrally formed, a mounting groove for inserting the mounting block is formed in the surface of the lower pressing block, and the mounting groove is matched with the mounting block.

Through adopting above-mentioned technical scheme, when demolising the material collecting tray, lift up the material collecting tray, break away from installation piece and mounting groove each other, lower briquetting breaks away from each other with the mounting hole, can dismantle between material collecting tray and the lower briquetting, insert the installation piece and establish to the mounting groove in, the installation piece offsets with the mounting groove inner wall, and the briquetting seals the mounting hole down at this moment, can be to installing between material collecting tray and the lower briquetting, convenient operation is swift.

Optionally, the upper surface of receipts charging tray just is located the edge and is provided with the bounding wall, the bounding wall sets up along the circumferencial direction of receiving the charging tray, integrated into one piece between bounding wall and the receiving tray.

Through adopting above-mentioned technical scheme, the bounding wall is spacing to the soil bits on the material collecting tray, avoids when moving the material collecting tray, and the soil bits on its surface take place to drop.

Optionally, a slope is arranged on the top wall of the enclosing plate, and the slope is inclined from high to low towards the center of the material receiving plate.

Through adopting above-mentioned technical scheme, when the soil bits that the extrusion production splashed dropped on the roof of bounding wall, domatic soil bits water conservancy diversion, and the soil bits can slide on the roof of receiving the charging tray under the action of gravity, avoided the soil bits to pile up at the roof of bounding wall, further be convenient for retrieve the clearance to the soil bits.

Optionally, the support is detachably connected with a cleaning rod, the cleaning rod is fixedly connected with a cleaning plate, the outer side wall of the cleaning plate can be attached to the inner side wall of the transparent baffle plate, and a cleaning brush is fixedly arranged on the outer side wall of the cleaning plate.

Through adopting above-mentioned technical scheme, when the relative face of transparent baffle is when the more soil bits of adhesion after long-time the use, the tester can grip clean pole, laminates cleaning plate and transparent baffle's inside wall each other, orders about cleaning plate and slides on transparent baffle, makes the soil bits of cleaning brush on to transparent baffle clean to in clean the surface to transparent baffle, ensure that the user can see through transparent baffle and observe the experimental condition.

Optionally, a mounting ring is fixedly arranged at one end of the cleaning rod far away from the cleaning plate, and a hook for hooking the mounting ring is fixedly arranged on the support.

Through adopting above-mentioned technical scheme, when need not use the cleaning board to clean, articulate the collar on the hook, place cleaning rod and cleaning board on the lateral wall of support to deposit cleaning rod and cleaning board.

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

1. by arranging the material collecting disc and the transparent baffle, the soil scraps are collected, some soil scraps splash and collide with the transparent baffle, so that the pollution to surrounding testers is avoided, the recovery efficiency of the soil scraps is improved, and the pollution to the test environment when the soil sample is crushed is reduced, so that the testers can clean the soil scraps conveniently;

2. the transparent baffle plate is rotatably connected with the bracket by arranging the connecting piece, the mounting hole, the mounting block and the mounting groove, so that soil scraps recovered in the material receiving tray can be conveniently cleaned;

3. through setting up clean pole, cleaning plate and cleaning brush to clean the surface to transparent baffle, ensure that the user can see through transparent baffle and clearly observe the experimental condition.

Drawings

FIG. 1 is a schematic structural diagram of a strain-controlled unconfined pressure gauge in an embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of an unconfined pressure gauge in the prior art.

Description of reference numerals: 1. a base; 2. a support; 21. a pressure gauge; 22. pressing the blocks; 3. pressing the block; 31. a lifting device; 32. mounting grooves; 4. a material receiving disc; 41. mounting holes; 42. mounting blocks; 43. enclosing plates; 431. a slope surface; 5. a transparent baffle; 6. a connecting member; 61. a magnetic member; 62. an adsorbing member; 7. a cleaning rod; 71. cleaning the plate; 72. a cleaning brush; 8. a mounting ring; 81. and (4) hooks.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses strain control formula does not have side limit manometer. Referring to fig. 1, including base 1, the symmetry welded fastening is provided with a set of support 2 on base 1, and the length direction and the base 1 mutually perpendicular of support 2, and the manometer 21 is provided through the bolt fastening between the support 2 and be located its top, and the pressure portion of manometer 21 is connected with briquetting 22, and briquetting 22 is located manometer 21 one side towards base 1 direction. On the base 1 and be located briquetting 22 and be provided with briquetting 3 down under, still be provided with drive briquetting 3 elevating gear 31 of motion in vertical direction on the base 1 down, will treat experimental soil sample piece and place briquetting 3 down, will push down briquetting 3 through elevating gear 31 and upwards briquetting 22 direction motion, go up briquetting 22 and briquetting 3 down and extrude soil sample piece, judge the compressive capacity of soil sample piece through manometer 21.

Referring to fig. 1, be provided with receiving tray 4 on the lateral wall of briquetting 3 down, the upper surface of receiving tray 4 flushes each other with the upper surface of briquetting 3 down, the symmetry is provided with a set of transparent baffle 5 between support 2, transparent baffle 5 just makes with transparent plastic, transparent baffle 5's length direction sets up along support 2's direction of height, the lateral wall of receiving tray 4 is laminated each other with transparent baffle 5's opposite face, when soil sample piece is taken place the breakage by the extrusion, the soil bits that splash can receive transparent baffle 5's separation, drop on receiving tray 4, avoid the soil bits to cause the pollution to experimental environment.

Referring to fig. 1, one of the transparent baffles 5 is fixedly connected with the support 2 by welding, the other transparent baffle 5 is rotatably connected with the support 2 by hinges, the transparent baffle 5 is rotated towards the direction far away from the base 1, and a user can place a soil sample on the pressing table conveniently. And wherein be provided with connecting piece 6 between the transparent baffle 5 of rotating between one support 2 and another support 2, connecting piece 6 includes magnetic part 61 and adsorption part 62, and magnetic part 61 is the magnetic path, and adsorption part 62 is the iron plate, and magnetic part 61 and adsorption part 62 magnetism attract mutually, and magnetic part 61 bonds fixedly to set up on transparent baffle 5, and adsorption part 62 bonds to set up on support 2, fixes and separates between transparent baffle 5 and support 2 through connecting piece 6.

Referring to fig. 1 and 2, the surface of the material receiving tray 4 is provided with a mounting hole 41 for inserting the lower pressing block 3, the inner side wall of the mounting hole 41 and the outer side wall of the lower pressing block 3 are attached to each other, a group of mounting blocks 42 are symmetrically arranged on the inner side wall of the mounting hole 41, the mounting blocks 42 and the material receiving tray 4 are integrally formed, the lower pressing block 3 is provided with a mounting groove 32 for inserting the mounting blocks 42 on the surface, the mounting groove is matched with the mounting blocks 42, the transparent baffle 5 is opened, the mounting blocks 42 are separated from the mounting groove 32, the material receiving tray 4 and the lower pressing block 3 can be detached from each other, soil scraps collected in the material receiving tray 4 can be cleaned conveniently, the lower pressing block 3 is inserted into the mounting hole 41, the mounting blocks 42 are inserted into the mounting groove 32, and quick installation between the material receiving tray 4 and the lower pressing block 3 is realized.

Referring to fig. 2, the upper surface of the receiving tray 4 and the edge of the receiving tray are provided with a surrounding plate 43, the surrounding plate 43 is arranged along the circumferential direction of the receiving tray 4, the surrounding plate 43 and the receiving tray 4 are integrally formed, and when the receiving tray 4 is moved, the surrounding plate 43 prevents soil scraps from falling. Be provided with domatic 431 on the roof of bounding wall 43, domatic 431 sets up to the low slope by high to the center department of receiving material dish 4, and domatic 431 leads the soil bits, avoids the soil bits to pile up at the roof of bounding wall 43, is further convenient for retrieve the clearance to the soil bits.

Referring to fig. 1, the cleaning rod 7 is detachably connected to the support 2, a hook 81 is fixedly welded to the outer side wall of the support 2, a mounting ring 8 is hung on the hook 81, the cleaning rod 7 is fixedly connected to the mounting ring 8, a cleaning plate 71 is fixedly connected to the cleaning rod 7, the outer side wall of the cleaning plate 71 can be attached to the inner side wall of the transparent baffle 5, a cleaning brush 72 is fixedly arranged on the outer side wall of the cleaning plate 71, the mounting ring 8 is separated from the hook 81, when more soil scraps are adhered to the surface of the transparent baffle 5, the cleaning rod 7 is held, the surface of the cleaning plate 71 is abutted to the surface of the transparent baffle 5, the surface of the transparent baffle 5 can be cleaned by the cleaning brush 72, it is ensured that the test condition can be clearly observed through the transparent baffle 5, and meanwhile, the cleaning rod 7 and the cleaning plate 71 are convenient to store.

The implementation principle of the strain control type unconfined pressure gauge in the embodiment of the application is as follows: when testing the intensity of soil sample piece, the soil sample piece receives briquetting 22 and the extrusion between the briquetting 3 down, and when the soil sample piece took place to be broken, transparent baffle 5 can block the sweeps of soil bits, and the soil bits drop to material collecting tray 4, realizes the collection to the soil bits, has reduced the pollution to test environment when the soil sample piece is broken, and the testing personnel of being convenient for clean.

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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a strain control formula does not have lateral confinement manometer which characterized in that: the device comprises a base (1), wherein a group of supports (2) are symmetrically and fixedly arranged on the base (1), the supports (2) are arranged along the vertical direction, a pressure gauge (21) is fixedly arranged between the supports (2) and at the top of the supports, an upper pressing block (22) is fixedly connected below the pressure gauge (21), a lower pressing block (3) is arranged on the base (1) and under the upper pressing block (22), and a lifting device (31) for driving the lower pressing block (3) to move in the vertical direction is further arranged on the base (1); be provided with on the lateral wall of briquetting (3) down and receive charging tray (4), it sets up to receive charging tray (4) level, the symmetry is provided with a set of transparency barrier (5) between support (2), the direction of height setting along support (2) of length direction of transparency barrier (5), the lateral wall of receiving charging tray (4) is laminated with the opposite face of transparency barrier (5) each other.

2. The strain controlled unconfined pressure gauge of claim 1, further comprising: receive and to dismantle between charging tray (4) and briquetting (3) and be connected, rotate between one side of transparent baffle (5) and one of them support (2) and be connected, be provided with connecting piece (6) between the opposite side of transparent baffle (5) and another support (2), connecting piece (6) are used for connecting and dismantling between transparent baffle (5) and support (2).

3. The strain controlled unconfined pressure gauge of claim 2, further comprising: the connecting piece (6) comprises a magnetic piece (61) and an adsorption piece (62), wherein the magnetic piece (61) is fixedly arranged on the transparent baffle (5), and the adsorption piece (62) is fixedly arranged on the support (2) and mutually adsorbed with the magnetic piece (61).

4. The strain controlled unconfined pressure gauge of claim 2, further comprising: receive the surface of charging tray (4) and be located its center department and run through and be provided with down briquetting (3) and insert mounting hole (41) of establishing, the inside wall of mounting hole (41) and the lateral wall of briquetting (3) laminate each other down, the symmetry is provided with a set of installation piece (42) on the inside wall of mounting hole (41), integrated into one piece between installation piece (42) and the charging tray (4), the briquetting (3) is seted up on the surface down and is supplied installation piece (42) to insert mounting groove (32) of establishing, mounting groove (32) and the mutual adaptation of installation piece (42).

5. The strain controlled unconfined pressure gauge of claim 4, wherein: the upper surface of receipts charging tray (4) just is located the edge and is provided with bounding wall (43), the circumferencial direction setting of receipts charging tray (4) is followed in bounding wall (43), integrated into one piece between bounding wall (43) and receipts charging tray (4).

6. The strain controlled unconfined pressure gauge of claim 5, wherein: the top wall of the enclosing plate (43) is provided with a slope surface (431), and the slope surface (431) is arranged in a manner of inclining from high to low towards the center of the material receiving plate (4).

7. The strain controlled unconfined pressure gauge of claim 1, further comprising: can dismantle on support (2) and be connected with clean pole (7), clean pole (7) fixedly connected with cleaning plate (71), the lateral wall of cleaning plate (71) can laminate each other with the inside wall of transparent baffle (5), fixed cleaning brush (72) that is provided with on the lateral wall of cleaning plate (71).

8. The strain controlled unconfined pressure gauge of claim 7, further comprising: the cleaning rod (7) is fixedly provided with a mounting ring (8) at one end far away from the direction of the cleaning plate (71), and a hook (81) for hanging the mounting ring (8) is fixedly arranged on the support (2).