CN220960982U

CN220960982U - Pavement material strength tester

Info

Publication number: CN220960982U
Application number: CN202322163933.XU
Authority: CN
Inventors: 郑志; 泮腾康; 王小雪; 胡奕慧; 周淑珍
Original assignee: Taizhou Highway And Waterway Engineering Supervision Consultation Co ltd
Current assignee: Taizhou Highway And Waterway Engineering Supervision Consultation Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-05-14
Anticipated expiration: 2033-08-10

Abstract

The application discloses a pavement material strength tester, and relates to the technical field of pavement material detection. The application comprises a working box, wherein four corners of the bottom of the working box are fixedly connected with supporting legs, one side of the top of the working box is fixedly connected with a control panel, one side of the top of the working box is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder penetrates through the working box and is fixedly connected with a hydraulic rod, the bottom of the hydraulic rod is fixedly connected with a pressure sensor, two groups of struts are symmetrically and fixedly connected with two sides of the inner bottom wall of the working box, the top of the struts is fixedly connected with a placing plate, clamping mechanisms are arranged on two sides of the inner part of the placing plate, one side of the working box is provided with a dust collecting mechanism, a worker can withdraw and clean a filter plate by using a handle, can fix the filter plate, and the filter plate can be fixed and taken out by using clamping blocks and handles arranged on two sides of the filter plate, so that the filter plate is convenient to take out and clean by the worker, and the next use is convenient.

Description

Pavement material strength tester

Technical Field

The application relates to the technical field of pavement material detection, in particular to a pavement material strength tester.

Background

The pavement material is various materials which are constructed on the ground such as highways, airport runways, parking lots and the like, and commonly comprises asphalt, cement concrete, sand and the like. The pavement material strength tester is an instrument and equipment for testing the strength and the performance of the pavement material, and can reflect important indexes of the pavement material in the capacities of compression resistance, bending resistance, and the like.

The existing pavement material strength tester mentioned in China publication (issued bulletin number: CN 209372543U), a test bed, in which an installation cavity is defined; the first driving assembly and the second driving assembly are arranged in the mounting cavity at intervals; the controller is arranged in the mounting cavity; the bearing assembly is arranged on the test bench and is connected with the first driving assembly; the adjusting bracket is arranged on the test bench and is connected with the second driving assembly; the pressure plate assembly is arranged on the adjusting bracket, is arranged towards the direction of the bearing assembly and is matched with the bearing assembly to test the material strength of the sample to be tested. The method can effectively measure the material strength of the sample to be measured, and has good stability and simple and convenient operation.

When the pavement material strength detector is used, the strength parameter is obtained mainly by applying pressure. However, the existing pavement material strength detector can test different pavement samples during detection, and some pavement samples are crushed stone aggregates, asphalt mixtures or cement concrete and the like. In the case of fragile pavement materials, a large amount of fine scraps or loose particles are generated in the measurement process, so that small particles such as dust are generated, and the dust can be deposited at dead angles inside the equipment or attached to the surfaces of parts inside the equipment, so that the dust is inconvenient for staff to clean.

Disclosure of utility model

The application aims at: in order to solve the problem that the existing pavement material strength detector can test different pavement samples during detection, some pavement samples are crushed stone aggregates, and some pavement samples are asphalt mixtures or cement concrete and the like. Under the condition that certain pavement materials are fragile, a large amount of fine scraps or loose particles are generated in the measuring process, so that small particles such as dust are generated, the dust can be deposited at dead angles inside equipment or attached to the surfaces of parts inside the equipment, and cleaning by workers is inconvenient.

The application adopts the following technical scheme for realizing the purposes:

The utility model provides a pavement material intensity tester, includes the work box, the bottom four corners fixedly connected with supporting leg of work box, top one side fixedly connected with control panel of work box, top one side fixedly connected with pneumatic cylinder of work box, the output of pneumatic cylinder runs through the work box and fixedly connected with hydraulic stem, the bottom fixedly connected with pressure sensor of hydraulic stem, the interior bottom wall both sides of work box are two sets of pillars of symmetry fixedly connected with, the board is placed to the top fixedly connected with of pillar, the inside both sides of placing the board are provided with fixture, one side of work box is provided with dust collecting mechanism.

Through adopting above-mentioned technical scheme, take a certain amount of road surface sample, through placing the road surface sample on placing the board, then start the pneumatic cylinder and drive the pressure sensor of bottom downwards to carry out intensity detection to the road surface sample of placing on placing the board.

Further, dust collection mechanism includes the dust inlet pipe of fixed connection in work box one side, the dust inlet pipe is linked together with the work box, one side bottom through connection of dust inlet pipe has the dust box, interior bottom wall one side fixedly connected with fan of dust box, the vent has been seted up to dust box one side, vent and the blowing end phase-match of fan, inside one side of dust box is provided with the filter, one side of filter is provided with the block subassembly.

Through adopting above-mentioned technical scheme, through starting the fan for the inside of working box produces negative pressure, thereby pulls the dust and gets into the dust collection box and accomplish the collection.

Further, the block subassembly includes fixed connection at the diaphragm of dust-collecting box inner wall both sides, both sides the recess has been seted up to one side that the diaphragm is close to each other, the inside of recess is provided with the spring telescopic link, the inner wall fixed connection of spring telescopic link and recess, both sides the one end fixedly connected with block that the spring telescopic link is close to each other, the block sets up to semi-circular.

Through adopting above-mentioned technical scheme, when putting into the filter again, after the filter extrusion block, make both sides block keep away from each other, make the spring telescopic link be compressed state after the block kept away from each other, carry out the block to the filter through the energy that the spring was compressed.

Further, the upper and lower sides of the filter plate, which are close to the clamping blocks, are provided with clamping grooves which are arc-shaped and are matched with the clamping blocks in shape.

Through adopting above-mentioned technical scheme, set up to the arc through the block groove and with the shape assorted of block piece, the block groove of being convenient for carries out the block fixedly to the filter.

Further, one end of the filter plate, which is far away from the transverse plate, penetrates through the dust collection box and is fixedly connected with a first handle, and the outer surface of the first handle is fixedly connected with anti-slip textures.

Through adopting above-mentioned technical scheme, be convenient for take out the clearance with the filter through the handle, conveniently clear up the filter.

Further, fixture is including seting up the empty slot in placing the inside both sides of board, the inside in empty slot is provided with telescopic link one, the one end fixedly connected with sliding plate of telescopic link one, one side and the inner wall fixed connection in empty slot of sliding plate are kept away from to telescopic link one, the surface cover of telescopic link is equipped with spring one, the upper and lower both sides fixedly connected with horizontal pole of sliding plate, the one end that the sliding plate was kept away from to the horizontal pole runs through and places board and fixedly connected with grip block.

Through adopting above-mentioned technical scheme, drive the sliding plate through grip block motion and slide, the inner wall fixed connection through telescopic link both ends and empty slot when the sliding plate slides for telescopic link one is compressed, after pulling certain length, places the road surface sample, through the resilience force of spring one compressed, makes the grip block of both sides carry out the centre gripping to the road surface sample.

Further, the upper and lower both sides of empty slot have seted up the spout, the upper and lower both sides fixedly connected with slider of sliding plate, slider and spout sliding connection.

Through adopting above-mentioned technical scheme, be convenient for slide plate through spout and slider when sliding and slide, improved the stability of slide plate when sliding.

Further, the clamping plate is fixedly connected with a second handle on one side of the middle part far away from the cross rod.

Through adopting above-mentioned technical scheme, through the handle two, can make things convenient for the staff to stimulate the grip block to carry out the centre gripping to the road surface sample and fix.

In summary, the present application includes at least one of the following advantages;

1. According to the application, under the cooperation of the dust inlet pipe, the dust collecting box, the transverse plate, the groove, the spring telescopic rod, the filter plate and the like, the filter plate can be fixed, and the filter plate can be fixed and taken out through the clamping blocks and the handles arranged on the two sides of the filter plate, so that a worker can conveniently take out and clean the filter plate, and the next use is convenient.

2. According to the application, under the cooperation of the telescopic rod I, the spring I, the sliding plate, the cross rod, the clamping plate, the handle II, the sliding groove and the like, the handle II is pulled, so that the clamping plate drives the sliding plate to slide, the two ends of the sliding plate are fixedly connected with the inner wall of the empty groove when the sliding plate slides, the telescopic rod I is compressed, after the telescopic rod I is pulled to a certain length, a pavement sample is placed, the clamping plates at the two sides clamp the pavement sample through the resilience force of the compressed spring I, the subsequent strength detection is facilitated, and meanwhile, the pavement samples with different sizes can be conveniently clamped.

Drawings

FIG. 1 is a schematic front view of a work box of the present application;

FIG. 2 is a schematic view of a working tank of the present application in semi-section;

FIG. 3 is a schematic view of a snap-fit assembly according to the present application in semi-section;

fig. 4 is a schematic view of a clamping mechanism in the present application.

Reference numerals illustrate:

1. A working box; 2. support legs; 3. a control panel; 4. a hydraulic cylinder; 5. a hydraulic rod; 6. a pressure sensor; 7. a support post; 8. a clamping mechanism; 9. a dust collection mechanism; 10. placing a plate; 81. a first telescopic rod; 82. a first spring; 83. a sliding plate; 84. a cross bar; 85. a clamping plate; 86. a second handle; 87. a chute; 88. a slide block; 91. a dust inlet pipe; 92. a dust collection box; 93. a blower; 94. a vent; 95. a filter plate; 951. a cross plate; 952. a groove; 953. a spring telescoping rod; 954. a clamping block; 955. a clamping groove; 956. a first handle.

Detailed Description

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

The embodiment of the application discloses a pavement material strength tester.

Referring to fig. 1 and 2, the pavement material strength tester comprises a working box 1, the bottom four corners fixedly connected with supporting leg 2 of working box 1, top one side fixedly connected with control panel 3 of working box 1, top one side fixedly connected with pneumatic cylinder 4 of working box 1, the output of pneumatic cylinder 4 runs through working box 1 and fixedly connected with hydraulic stem 5, the bottom fixedly connected with pressure sensor 6 of hydraulic stem 5, the interior bottom wall both sides of working box 1 are two sets of pillars 7 of symmetry fixedly connected with, the top fixedly connected with of pillar 7 places board 10, the inside both sides of placing board 10 are provided with fixture 8, one side of working box 1 is provided with dust collection mechanism 9.

When the device is used, a certain amount of pavement samples are required to be taken, the pavement samples are placed on the placing plate 10, then the hydraulic cylinder 4 is started to drive the hydraulic rod 5 to move downwards, the hydraulic rod 5 drives the pressure sensor 6 at the bottom end downwards, the placing plate 10 and the pressure sensor 6 are positioned on the same horizontal line, so that the pavement samples placed on the placing plate 10 are compressed, the pressure sensor 6 is connected with the control panel 3 through a data line, the pressure sensor 6 adopts HW-GP01 type, the data can be displayed through the control panel 3 when the data are transmitted to the control panel 3, and the device is convenient for workers to watch and record, so that the strength detection is completed.

Referring to fig. 2 and 4, the clamping mechanism 8 includes a hollow groove formed in two sides of the inner portion of the placement plate 10, a first telescopic rod 81 is arranged in the hollow groove, one end of the first telescopic rod 81 is fixedly connected with a sliding plate 83, one side of the first telescopic rod 81, which is far away from the sliding plate 83, is fixedly connected with an inner wall of the hollow groove, a first spring 82 is sleeved on the outer surface of the telescopic rod, two sides of the sliding plate 83 are fixedly connected with cross rods 84, one end of the cross rods 84, which is far away from the sliding plate 83, penetrates through the placement plate 10 and is fixedly connected with a clamping plate 85, two sides of the hollow groove are provided with sliding grooves 87, two sides of the sliding plate 83 are fixedly connected with sliding blocks 88, the sliding blocks 88 are in sliding connection with the sliding grooves 87, and one side, far away from the middle of the cross rods 84, of the clamping plate 85 is fixedly connected with a second handle 86.

When the pavement sample placing device is used, a pavement sample is placed on the placing table, the second handle 86 is pulled, the clamping plate 85 drives the sliding plate 83 inside the placing plate 10 to slide, the sliding plate 83 is convenient to slide through the sliding groove 87 and the sliding block 88, when the sliding plate 83 slides, the first telescopic rod 81 is fixedly connected with the inner wall of the empty groove through the two ends of the first telescopic rod 81, the first telescopic rod 81 is compressed, after the pavement sample is pulled to a certain length, the pavement sample is placed, the clamping plates 85 on the two sides clamp the pavement sample through the resilience force of the first spring 82 compressed, and the subsequent strength detection is convenient.

Referring to fig. 2 and 3, the dust collecting mechanism 9 includes a dust inlet pipe 91 fixedly connected to one side of the working box 1, the dust inlet pipe 91 is communicated with the working box 1, a dust collecting box 92 is connected to one side bottom of the dust inlet pipe 91 in a penetrating manner, a fan 93 is fixedly connected to one side of an inner bottom wall of the dust collecting box 92, a ventilation opening 94 is formed in one side of the dust collecting box 92, the ventilation opening 94 is matched with a blowing end of the fan 93, a filter plate 95 is arranged on one side of the inside of the dust collecting box 92, and a clamping assembly is arranged on one side of the filter plate 95.

When the pavement sample is subjected to compressive strength detection, under the condition that certain pavement materials are fragile, a large amount of fine scraps or loose particles can be generated in the measurement process, so that dust is generated, at the moment, the blower 93 is started, the blowing end of the blower 93 blows against the ventilation opening 94, so that negative pressure is generated in the working box 1, and the dust is pulled into the dust collection box 92 to finish collection, so that the influence of the dust on workers is reduced.

Referring to fig. 2 and 3, the clamping assembly includes a transverse plate 951 fixedly connected to two sides of an inner wall of the dust box 92, a groove 952 is formed in one side of the transverse plate 951 at two sides, which is close to each other, a spring telescopic rod 953 is arranged in the groove 952, the spring telescopic rod 953 is fixedly connected with the inner wall of the groove 952, one end of the spring telescopic rod 953 at two sides, which is close to each other, is fixedly connected with a clamping block 954, the clamping block 954 is arranged in a semicircle shape, clamping grooves 955 are formed in two sides, which are close to the clamping block 954, of the filter plate 95, the shape of the clamping block 954 is matched, one end, which is far away from the transverse plate 951, of the filter plate 95 penetrates through the dust box 92 and is fixedly connected with a handle 956, and the outer surface of the handle 956 is fixedly connected with an anti-slip texture.

After the filter plate 95 works for a long time, a worker can draw out and clean the filter plate 95 by using a handle, the energy compressed by the spring telescopic rod 953 is released after the draw-out, after the filter plate 95 is cleaned, the filter plate 95 is inserted into the dust box 92 again, at the moment, the clamping blocks 954 block the path of the filter plate 95, the clamping blocks 954 are arranged into semicircular clamping grooves 955 arranged with the filter plate 95, after the filter plate 95 extrudes the clamping blocks 954, the two side clamping blocks 954 are mutually far away, the spring telescopic rod 953 is in a compressed state after the clamping blocks 954 are mutually far away, when the filter plate 95 moves to the clamping grooves 955, the compressed energy is released by the spring telescopic rod 953, so that the filter plate 95 which is placed in the box cover is clamped, and the filter plate 95 is conveniently taken out and cleaned by the worker.

Working principle: taking a certain amount of pavement samples, placing the pavement samples on the placing plate 10, then starting the hydraulic cylinder 4 to drive the pressure sensor 6 at the bottom to downwards, so that strength detection is carried out on the pavement samples placed on the placing plate 10, placing the pavement samples on the placing table, sliding the sliding plate 83 by pulling the handle II 86, clamping the pavement samples by the clamping plates 85 at the two sides by the resilience force of the compression of the spring I82, generating a large amount of fine scraps or loose particles in the measuring process, generating dust, at the moment, pulling the dust into the dust box 92 to finish collection by starting the fan 93, and carrying out clamping connection on the filter plate 95 by the clamping block 954, so that the filter plate 95 is conveniently taken out, cleaned and put into fixation by workers.

Claims

1. Pavement material intensity tester, including work box (1), its characterized in that: bottom four corners fixedly connected with supporting leg (2) of work case (1), top one side fixedly connected with control panel (3) of work case (1), top one side fixedly connected with pneumatic cylinder (4) of work case (1), the output of pneumatic cylinder (4) runs through work case (1) and fixedly connected with hydraulic stem (5), the bottom fixedly connected with pressure sensor (6) of hydraulic stem (5), the interior bottom wall both sides of work case (1) are two sets of pillars (7) of symmetry fixedly connected with, the top fixedly connected with of pillar (7) places board (10), the inside both sides of placing board (10) are provided with fixture (8), one side of work case (1) is provided with dust collection mechanism (9).

2. The pavement material strength tester according to claim 1, wherein: dust collection mechanism (9) are including fixed connection in dust inlet tube (91) of work box (1) one side, dust inlet tube (91) are linked together with work box (1), one side bottom through connection of dust inlet tube (91) has dust collection box (92), interior bottom wall one side fixedly connected with fan (93) of dust collection box (92), vent (94) have been seted up on one side of dust collection box (92), vent (94) and fan (93)'s blowing end phase-match, inside one side of dust collection box (92) is provided with filter (95), one side of filter (95) is provided with the block subassembly.

3. The pavement material strength tester according to claim 2, wherein: the clamping assembly comprises transverse plates (951) fixedly connected to two sides of the inner wall of the dust box (92), grooves (952) are formed in one sides, close to each other, of the transverse plates (951), spring telescopic rods (953) are arranged in the grooves (952), the spring telescopic rods (953) are fixedly connected with the inner wall of the grooves (952), clamping blocks (954) are fixedly connected to one ends, close to each other, of the spring telescopic rods (953), and the clamping blocks (954) are arranged in a semicircular mode.

4. The pavement material strength tester according to claim 2, wherein: the upper side and the lower side of the filter plate (95) close to the clamping blocks (954) are provided with clamping grooves (955), and the clamping grooves (955) are arc-shaped and are matched with the clamping blocks (954) in shape.

5. The pavement material strength tester according to claim 2, wherein: one end of the filter plate (95) far away from the transverse plate (951) penetrates through the dust box (92) and is fixedly connected with a handle I (956), and the outer surface of the handle I (956) is fixedly connected with an anti-slip texture.

6. The pavement material strength tester according to claim 1, wherein: clamping mechanism (8) are including seting up the empty slot in the inside both sides of placing board (10), the inside in empty slot is provided with telescopic link one (81), one end fixedly connected with sliding plate (83) of telescopic link one (81), one side and the inner wall fixed connection in empty slot of sliding plate (83) are kept away from to telescopic link one (81), the surface cover of telescopic link is equipped with spring one (82), the upper and lower both sides fixedly connected with horizontal pole (84) of sliding plate (83), the one end that sliding plate (83) was kept away from to horizontal pole (84) runs through and places board (10) and fixedly connected with grip block (85).

7. The pavement material strength tester according to claim 6, wherein: the upper and lower both sides of empty slot have seted up spout (87), the upper and lower both sides fixedly connected with slider (88) of sliding plate (83), slider (88) and spout (87) sliding connection.

8. The pavement material strength tester according to claim 6, wherein: and a handle II (86) is fixedly connected to one side of the middle part of the clamping plate (85) away from the cross rod (84).