Compression resistance experiment device

Abstract

The utility model provides a compression resistance experiment device, belongs to the technical field of compression resistance tests of highway engineering, and aims to solve the problems that cleaning of a compression platform consumes a long time, cleaning efficiency is affected, and the use effect of the experiment device is also affected. Comprising a guide mounting rod, an experiment extrusion plate, a [-shaped cleaning scraper, a reciprocating screw rod, a cleaning structure, a pressed experiment table, a limiting structure and an electric push rod, the guide mounting rod is arranged at the upper part of the limiting mounting frame; the experiment extrusion plate is arranged at the lower part of the guide mounting rod; the [-shaped cleaning scraper is slidably connected to the left side of the experimental operation box; the reciprocating screw rod is in threaded connection with the lower part of the experiment operation box; the pressed experiment table is fixedly connected to the lower part of the limiting mounting frame; the electric push rods are in bolted connection with the front and rear sides of the limiting mounting rack; according to the utility model, the scrap cleaning efficiency is improved, the labor intensity of workers is effectively reduced, a large amount of time is saved, and the use effect of the experimental device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of highway engineering compression test, and more specifically, particularly relates to a compression test device. Background Art

[0002] When accepting a highway project, it is necessary to test the compressive performance of the highway project. During the test, the concrete test block needs to be placed on the pressure platform of the experimental device. After adjusting the position of the concrete test block, the pressure rod is controlled to press down. When the concrete test block is damaged, the pressure is stopped and the compressive value of the highway project is obtained by observing the pressure value on the display screen.

[0003] For example, CN219179057U discloses a highway engineering compression test device, comprising a base plate and a frame arranged on the base plate, a workbench and a first drive assembly are arranged on the base plate, a movable plate and a second drive assembly are arranged on the workbench, a limit frame is arranged on the movable plate, two clamping plates are arranged in the space surrounded by the limit frame, and a third drive assembly is arranged on the limit frame, the two clamping plates are respectively arranged in parallel with two side walls adjacent to the limit frame in a one-to-one correspondence, a capping plate and a fourth drive assembly are arranged on the frame, a pressure plate is arranged on a side of the capping plate close to the limit frame, and a fifth drive assembly is arranged on the capping plate, and a first pressure sensor is arranged on a side of the pressure plate close to the limit frame; the utility model solves the technical problem of poor versatility of highway engineering compression test devices, produces a technical effect that meets the needs of testing samples of various sizes, and the position of the sample on the highway engineering compression test device remains stable during the test, which is conducive to improving the reliability of the data obtained.

[0004] Based on the above, a lot of debris will fall off the concrete test block after it is damaged. After the test is completed, the staff needs to clean the pressure platform, which not only leads to greater labor intensity for the staff, but also takes a long time, affecting the cleaning efficiency and the use effect of the experimental device. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a compression test device to solve the problem that a large amount of debris will fall off after the concrete test block is damaged. After the test is completed, the staff needs to clean the pressure platform, which not only leads to a large labor intensity for the staff, but also takes a long time, affecting the cleaning efficiency and the use effect of the experimental device.

[0006] The purpose and effect of the compression test device of the utility model are achieved by the following specific technical means:

[0007] A compressive experiment device, comprising an experimental operation box, a limit mounting frame, a guiding mounting rod, an experimental extrusion plate, a U-shaped cleaning scraper, a reciprocating lead screw, a cleaning structure, a compression test bench, a limiting structure and an electric push rod; the limit mounting frame is bolted to the left side of the experimental operation box; the guiding mounting rod is arranged on the upper part of the limit mounting frame; the experimental extrusion plate is arranged on the lower part of the guiding mounting rod; the U-shaped cleaning scraper is slidably connected to the left side of the experimental operation box; the reciprocating lead screw is threadedly connected to the lower part of the experimental operation box; the cleaning structure is arranged on the lower part of the limit mounting frame; the compression test bench is fixedly connected to the lower part of the limit mounting frame; the limiting structure is arranged on the lower side of the experimental extrusion plate; there are two electric push rods, and the two electric push rods are respectively bolted to the front and rear sides of the limit mounting frame.

[0008] Further, the limiting structure includes a square mounting groove and a protective baffle; the square mounting groove is opened on the lower part of the experimental extrusion plate; the protective baffle is slidably connected up and down on the outside of the compression test bench, and the piston rods of the two electric push rods are fixedly connected to the protective baffle.

[0009] Further, the limiting structure further includes a marking light strip and a light-transmitting baffle; the marking light strip is adhered to the inner side of the square mounting groove; the light-transmitting baffle is bolted to the lower side of the square mounting groove, and a plurality of light-transmitting holes are evenly distributed on the outside of the light-transmitting baffle.

[0010] Further, the cleaning structure includes a debris collection box, a positioning mounting frame and a positioning connection cylinder; the debris collection box is placed on the lower part of the limit mounting frame; the positioning mounting frame is welded to the lower part of the limit mounting frame; the positioning connection cylinder is rotatably connected to the upper part of the positioning mounting frame.

[0011] Further, the cleaning structure further includes a driven transmission gear and a direction-limiting ratchet; the driven transmission gear is fixedly connected to the left end face of the positioning connection cylinder; the direction-limiting ratchet is fixedly connected to the right end face of the positioning connection cylinder.

[0012] Further, the cleaning structure further includes a positioning connection frame and a driving transmission rack; the positioning connection frame is fixedly connected to the upper end face of the experimental extrusion plate; the driving transmission rack is fixedly connected to the lower part of the positioning connection frame, and the driving transmission rack meshes with the driven transmission gear.

[0013] Furthermore, the cleaning structure further includes a guiding and limiting slide rod and a guiding connecting rod; there are two guiding and limiting slide rods, and the two guiding and limiting slide rods are respectively fixedly connected to the front and rear sides of the U-shaped cleaning scraper, and both of the two guiding and limiting slide rods are slidably connected to the experimental operation box; the guiding connecting rod is fixedly connected to the left end face of the reciprocating lead screw, and the guiding connecting rod is rotatably connected to the U-shaped cleaning scraper.

[0014] Furthermore, the cleaning structure further includes a guiding and limiting ring and a direction limiting pawl; the guiding and limiting ring is splined on the outer side of the guiding connecting rod; the direction limiting pawl is hinged to the left side of the guiding and limiting ring.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The U-shaped cleaning scraper automatically cleans the compressed test bench, avoiding the inconvenience of manual cleaning of the compressed test bench, improving the cleaning efficiency of debris, effectively reducing the labor intensity of the staff, saving a lot of time, improving the use effect of the experimental device, collecting the debris through the debris collection box, facilitating the unified treatment of the debris, facilitating the staff to determine the placement position of the concrete test block through the marking light strip, effectively improving the placement efficiency of the concrete test block, and further improving the experimental efficiency of the compressive performance of highway engineering. The protective baffle blocks the debris falling when the concrete test block is damaged, avoiding the ejection of debris everywhere, effectively reducing potential safety hazards, and at the same time facilitating the cleaning of the debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the utility model.

[0018] Figure 2 is the structural schematic diagram of the U-shaped cleaning scraper of the utility model.

[0019] Figure 3 is the exploded structural schematic diagram of the guiding and limiting ring and the direction limiting ratchet of the utility model.

[0020] Figure 4 is the exploded structural schematic diagram of the experimental extrusion plate and the square installation groove of the utility model.

[0021] Figure 5 is the position schematic diagram of the protective baffle of the utility model.

[0022] In the figure, the corresponding relationship between the component names and the drawing reference numbers is:

[0023] 1. Experimental operation box; 2. Limit mounting frame; 201. Debris collection box; 202. Positioning mounting frame; 203. Positioning connection cylinder; 204. Driven transmission gear; 205. Direction limiting ratchet; 3. Guide mounting rod; 4. Experimental extrusion plate; 401. Positioning connection frame; 402. Active transmission rack; 403. Square mounting groove; 404. Marking light strip; 405. Transparent baffle; 5. C-shaped cleaning scraper; 501. Guide limiting slide bar; 6. Reciprocating lead screw; 601. Guide connecting rod; 602. Guide limiting ring; 603. Direction limiting pawl; 7. Compression test bench; 701. Protection baffle; 8. Electric push rod. Detailed implementation manners

[0024] The following further describes the implementation manners of the present utility model in detail with reference to the drawings and embodiments.

[0025] Embodiment 1:

[0026] As shown in Figure 1 to Figure 3 shown:

[0027] The present utility model provides a compressive experiment device, including an experimental operation box 1, a limit mounting frame 2, a guide mounting rod 3, an experimental extrusion plate 4, a C-shaped cleaning scraper 5, a reciprocating lead screw 6, a cleaning structure and a compression test bench 7; the limit mounting frame 2 is bolted to the left side of the experimental operation box 1; the guide mounting rod 3 is arranged on the upper part of the limit mounting frame 2; the experimental extrusion plate 4 is arranged on the lower part of the guide mounting rod 3; the C-shaped cleaning scraper 5 is slidably connected to the left side of the experimental operation box 1; the reciprocating lead screw 6 is threadedly connected to the lower part of the experimental operation box 1; the cleaning structure is arranged on the lower part of the limit mounting frame 2; the compression test bench 7 is fixedly connected to the lower part of the limit mounting frame 2.

[0028] Among them, the cleaning structure includes a debris collection box 201, a positioning mounting frame 202 and a positioning connection cylinder 203; the debris collection box 201 is placed on the lower part of the limit mounting frame 2; the positioning mounting frame 202 is welded to the lower part of the limit mounting frame 2; the positioning connection cylinder 203 is rotatably connected to the upper part of the positioning mounting frame 202.

[0029] Among them, the cleaning structure further includes a driven transmission gear 204 and a direction limiting ratchet 205; the driven transmission gear 204 is fixedly connected to the left end face of the positioning connection cylinder 203; the direction limiting ratchet 205 is fixedly connected to the right end face of the positioning connection cylinder 203.

[0030] Among them, the cleaning structure further includes a positioning connection frame 401 and an active transmission rack 402; the positioning connection frame 401 is fixedly connected to the upper end face of the experimental extrusion plate 4; the active transmission rack 402 is fixedly connected to the lower part of the positioning connection frame 401, and the active transmission rack 402 meshes with the driven transmission gear 204.

[0031] Among them, the cleaning structure further includes a guiding and limiting slide bar 501 and a guiding connecting rod 601; there are two guiding and limiting slide bars 501, and the two guiding and limiting slide bars 501 are respectively fixedly connected to the front and rear sides of the U-shaped cleaning scraper 5, and the two guiding and limiting slide bars 501 are both slidably connected to the experimental operation box 1; the guiding connecting rod 601 is fixedly connected to the left end face of the reciprocating lead screw 6, and the guiding connecting rod 601 is rotatably connected to the U-shaped cleaning scraper 5.

[0032] Among them, the cleaning structure further includes a guiding and limiting ring 602 and a direction-limiting pawl 603; the guiding and limiting ring 602 is splined to the outside of the guiding connecting rod 601; the direction-limiting pawl 603 is hinged to the left side of the guiding and limiting ring 602.

[0033] The specific usage method and function of this embodiment: Place the concrete test block on the compression test bench 7, and then make the guiding installation rod 3 drive the experimental extrusion plate 4 to press down along the limiting installation frame 2 to test the concrete test block. At this time, the positioning connection frame 401 will drive the active transmission rack 402 to move downward. When the active transmission rack 402 moves, it will push the driven transmission gear 204 and the positioning connection cylinder 203 to rotate around the positioning installation frame 202. The direction-limiting ratchet 205 will slide outside the direction-limiting pawl 603 and cannot drive the guiding and limiting ring 602 to rotate. After the experimental extrusion plate 4 contacts the concrete test block, the active transmission rack 402 will cross over the driven transmission gear 204. When the concrete test block is damaged, the guiding installation rod 3 returns. When the active transmission rack 402 meshes with the driven transmission gear 204 again, it will push the driven transmission gear 204 to reverse. At this time, the direction-limiting ratchet 205 will push the direction-limiting pawl 603 and the guiding and limiting ring 602 to rotate, so that the guiding and limiting ring 602 drives the guiding connecting rod 601 and the reciprocating lead screw 6 to rotate. When the reciprocating lead screw 6 rotates, it will push the U-shaped cleaning scraper 5 to move and push the debris on the compression test bench 7 into the debris collection box 201, and the guiding and limiting slide bar 501 will guide the movement of the U-shaped cleaning scraper 5.

[0034] Embodiment Two:

[0035] As shown in the attached Figure 4 to the attached Figure 5 figure:

[0036] On the basis of Embodiment One, it further includes a limiting structure and an electric push rod 8; the limiting structure is arranged on the lower side of the experimental extrusion plate 4; there are two electric push rods 8, and the two electric push rods 8 are respectively bolted to the front and rear sides of the limiting installation frame 2.

[0037] Among them, the limiting structure includes a square mounting groove 403 and a protective baffle 701; the square mounting groove 403 is opened at the lower part of the experimental extrusion plate 4; the protective baffle 701 is slidably connected to the outer side of the pressure test bench 7, and the piston rods of the two electric push rods 8 are fixedly connected to the protective baffle 701.

[0038] Among them, the limiting structure also includes a marking light strip 404 and a light-transmitting baffle 405; the marking light strip 404 is bonded to the inner side of the square mounting groove 403; the light-transmitting baffle 405 is bolted to the lower side of the square mounting groove 403, and a plurality of light-transmitting holes are evenly distributed on the outer side of the light-transmitting baffle 405.

[0039] The specific usage and function of this embodiment are as follows: when placing the concrete test block, the light emitted by the marking light strip 404 in the square installation groove 403 is irradiated onto the pressure test table 7 through the light-transmitting hole of the light-transmitting baffle 405 to determine the placement position of the concrete test block. After placing the concrete test block, the electric push rod 8 pushes the protective baffle 701 to move up to cover the outside of the concrete test block. After the experiment is completed, the electric push rod 8 drives the protective baffle 701 to reset, and then controls the guide installation rod 3 to return to prepare for the next action.

Claims

1. A compressive experiment device, comprising an experimental operation box (1), a limit mounting frame (2), a guiding mounting rod (3), an experimental extrusion plate (4), a U-shaped cleaning scraper (5), a reciprocating lead screw (6), a cleaning structure, a compression test bench (7), a limit structure, and an electric push rod (8); the limit mounting frame (2) is bolted to the left side of the experimental operation box (1); the guiding mounting rod (3) is arranged on the upper part of the limit mounting frame (2); the experimental extrusion plate (4) is arranged on the lower part of the guiding mounting rod (3); characterized in that: The U-shaped cleaning scraper (5) is slidably connected to the left side of the experimental operation box (1); the reciprocating lead screw (6) is threadedly connected to the lower part of the experimental operation box (1); the cleaning structure is arranged at the lower part of the limit mounting frame (2); the compression test bench (7) is fixedly connected to the lower part of the limit mounting frame (2); the limit structure is arranged on the lower side of the experimental extrusion plate (4); an electric push rod (8) is bolted to each of the front and rear sides of the limit mounting frame (2).

2. A compression test device as claimed in claim 1, characterized in that: The cleaning structure includes a debris collection box (201), a positioning mounting frame (202) and a positioning connection cylinder (203); the debris collection box (201) is placed at the lower part of the limit mounting frame (2); the positioning mounting frame (202) is welded to the lower part of the limit mounting frame (2); the positioning connection cylinder (203) is rotatably connected to the upper part of the positioning mounting frame (202).

3. A compression test device as claimed in claim 2, characterized in that: The cleaning structure further includes a driven transmission gear (204) and a direction limiting ratchet (205); the driven transmission gear (204) is fixedly connected to the left end face of the positioning connection cylinder (203); the direction limiting ratchet (205) is fixedly connected to the right end face of the positioning connection cylinder (203).

4. A compression test device as claimed in claim 3, characterized in that: The cleaning structure further includes a positioning connection frame (401) and a driving transmission rack (402); the positioning connection frame (401) is fixedly connected to the upper end face of the experimental extrusion plate (4); the driving transmission rack (402) is fixedly connected to the lower part of the positioning connection frame (401), and the driving transmission rack (402) meshes with the driven transmission gear (204).

5. A compression test device as claimed in claim 1, characterized in that: The cleaning structure further includes a guiding and limiting slide bar (501) and a guiding connecting rod (601); a guiding and limiting slide bar (501) is fixedly connected to each of the front and rear sides of the U-shaped cleaning scraper (5), and the guiding and limiting slide bar (501) is slidably connected to the experimental operation box (1); the guiding connecting rod (601) is fixedly connected to the left end face of the reciprocating lead screw (6), and the guiding connecting rod (601) is rotatably connected to the U-shaped cleaning scraper (5).

6. A compression test device as claimed in claim 5, characterized in that: The cleaning structure further includes a guiding and limiting ring (602) and a direction limiting pawl (603); the guiding and limiting ring (602) is splined to the outside of the guiding connecting rod (601); the direction limiting pawl (603) is hinged to the left side of the guiding and limiting ring (602).

7. A compression test device as claimed in claim 1, characterized in that: The limit structure includes a square mounting groove (403) and a protective baffle (701); the square mounting groove (403) is opened at the lower part of the experimental extrusion plate (4); the protective baffle (701) is slidably connected up and down on the outside of the compression test bench (7), and the piston rod of the electric push rod (8) is fixedly connected to the protective baffle (701).

8. A compression test device as claimed in claim 7, characterized in that: The limiting structure further comprises a marking light strip (404) and a light-transmitting baffle (405); the marking light strip (404) is bonded to the inner side of the square mounting groove (403); and the light-transmitting baffle (405) is bolted to the lower side of the square mounting groove (403).

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