Sand column strength testing machine

Abstract

The utility model discloses a sand column strength testing machine which comprises a working table, a fixing frame fixedly connected to the upper end face of the working table, a hydraulic telescopic column fixedly connected to the lower end face of the fixing frame, a pressure plate fixedly connected to the movable end of the hydraulic telescopic column, a movable plate arranged below the pressure plate and slidably connected with the working table, and a collecting groove formed in the working table. A crushing box is fixedly connected to the lower end face of the workbench, two symmetric crushing rollers are rotationally connected into the crushing box, two symmetric positioning plates are fixedly connected to one side of the crushing box, and driving motors are fixedly connected to the upper end faces of the positioning plates. According to the sand column crushing device, the strength of a sand column is tested, the generated blocky sand column is collected through the collecting tank, and two driving motors are matched to rotate in opposite directions at the same time, so that two crushing rollers rotate towards the center at the same time, the collected blocky sand column is crushed, centralized collection is facilitated, and the occupied space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sand column strength detection, in particular to a sand column strength testing machine. Background Technique

[0002] A sand column is a cylinder formed by uniformly mixing loose sand and a solidifying material. Its structure is relatively firm and is used in industrial and civil construction, transportation, water conservancy and other engineering construction, which can effectively improve the construction effect. In order to ensure the construction quality, usually before use, the strength of the sand column is detected.

[0003] For the existing sand column strength detection, usually the solidified sand column is placed on the workbench, and the strength is detected by applying pressure to the sand column. However, during the pressure application process, the sand column is easily broken into irregular blocks of different sizes. During the process of collecting and processing them, it occupies a large space, is not easy to transport, and cannot be reused, resulting in waste of materials. Therefore, a sand column strength testing machine is proposed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a sand column strength testing machine. Through the extension of the hydraulic telescopic column, the pressure plate is driven to move downward to conduct a strength test on the sand column, and the generated blocky sand column is collected through the collection tank. Cooperating with the simultaneous reverse rotation of two driving motors, the two crushing rollers rotate towards the center at the same time to crush the collected sand column blocky objects, which is convenient for centralized collection, reduces the occupied space.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A sand column strength testing machine, including a workbench, the upper end surface of the workbench is fixedly connected with a fixed frame, the lower end surface of the fixed frame is fixedly connected with a hydraulic telescopic column, the movable end of the hydraulic telescopic column is fixedly connected with a pressure plate, a movable plate is arranged below the pressure plate, the movable plate is slidably connected with the workbench, a collection tank is opened on the workbench, the collection tank is located directly below the movable plate, the lower end surface of the workbench is fixedly connected with a crushing box, two symmetrically arranged crushing rollers are rotatably connected in the crushing box, two symmetrically arranged positioning plates are fixedly connected to one side of the crushing box, a driving motor is fixedly connected to the upper end surface of the positioning plate, the output end of the driving motor is connected with a rotating rod, and the rotating rod is fixedly connected with the crushing roller and is rotatably connected with the crushing box.

[0006] The beneficial effects of the utility model are as follows: by extending the hydraulic telescopic column, the pressure plate is moved downward to test the strength of the sand column, and by moving the moving plate, the block sand column is collected through the collecting trough and all falls into the crushing box. Under the action of two driving motors rotating in opposite directions at the same time, the two crushing rollers rotate toward the center at the same time to crush the falling block sand column, which is convenient for crushing the block sand column and uniform collection and processing;

[0007] In order to realize the strength test of the sand column and crush the block sand column after the test;

[0008] As a further improvement of the above technical solution: a U-shaped frame is fixedly connected to the upper end surface of the workbench, a through groove is opened on one side of the U-shaped frame, a movable groove is opened on the upper end surface of the workbench, a fixing plate is fixedly connected to one side of the workbench, a forward and reverse motor is fixedly connected to the upper end surface of the fixing plate, a screw rod is connected to the output end of the forward and reverse motor, the screw rod is rotatably connected to the workbench, a moving block is screwed on the outer wall of the screw rod, and the moving block is fixedly connected to the moving plate.

[0009] The beneficial effects of this improvement are as follows: through the action of the forward and reverse motors, the spiral rod and the moving block are screwed together, and through the movement of the moving block, the moving plate passes through the through slot and moves in the direction of the forward and reverse motors. The U-shaped frame is used to quickly scrape off the block sand column materials and debris on the moving plate, so that the sand column materials that have been tested can be uniformly collected.

[0010] In order to realize the flexible movement of the movable plate and facilitate the cleaning of the movable plate;

[0011] As a further improvement of the above technical solution: the lower end surface of the crushing box is fixedly connected with a collecting bucket, the lower end surface of the collecting bucket is fixedly connected with a collecting box, one side of the collecting box is movably connected with a collecting box, and one side of the collecting box is fixedly connected with a handle.

[0012] The beneficial effects of this improvement are: by using the collection box and the collection box, the crushed sand column materials can be collected centrally, which is convenient for the staff to collect and process uniformly;

[0013] In order to achieve unified collection of crushed sand column materials;

[0014] As a further improvement of the above technical solution: two symmetrical slide grooves are provided on the upper end surface of the workbench, the two slide grooves are located on both sides of the movable groove, a slider is slidably connected in the slide groove, and the slider is fixedly connected to the movable plate.

[0015] The beneficial effects of this improvement are as follows: By using the chute and the slider, the moving plate can be guided to ensure that the moving plate is stable enough during the moving process and will not shift or shake.

[0016] In order to guide the moving plate and assist it in moving;

[0017] As a further improvement of the above technical solution: Two symmetrically arranged guide plates are fixedly connected inside the crushing box, and the guide plates are located above the crushing rollers.

[0018] The beneficial effects of this improvement are as follows: By using the guide plates, the falling block-shaped sand column material can be guided so that all of it passes through the central positions of the two crushing rollers, which is convenient for comprehensively crushing the sand column block.

[0019] In order to guide the sand column block;

[0020] As a further improvement of the above technical solution: A support frame is fixedly connected to the lower end surface of the workbench, and the support frame is fixedly connected to the collection box.

[0021] The beneficial effects of this improvement are as follows: By using the support frame, the workbench and the collection box can be supported to ensure their stability during use.

[0022] In order to support and stabilize the workbench and the collection box;

[0023] As a further improvement of the above technical solution: A control box is fixedly connected to the upper end surface of the workbench.

[0024] The beneficial effects of this improvement are as follows: By using the control box, the strength testing machine can be controlled, which is convenient for operation.

[0025] In order to control the strength testing machine. Brief Description of the Drawings

[0026] Figure 1 The three-dimensional structure diagram provided by the present utility model Figure 1 ;

[0027] Figure 2 The top view provided by the present utility model;

[0028] Figure 3 The three-dimensional sectional view at A-A in the Figure 2 provided by the present utility model;

[0029] Figure 4 The three-dimensional structure diagram provided by the present utility model Figure 2 ;

[0030] Figure 5 Schematic diagram of the three-dimensional structure provided by the present utility model Figure 3 .

[0031] In the figure, 1 is a workbench; 11 is a fixing frame; 12 is a hydraulic telescopic column; 13 is a pressure plate; 14 is a moving plate; 15 is a collection tank; 16 is a crushing box; 17 is a crushing roller; 18 is a positioning plate; 19 is a driving motor; 20 is a rotating rod; 31 is a U-shaped frame; 32 is a through groove; 33 is a movable groove; 34 is a retaining plate; 35 is a positive and negative motor; 36 is a screw rod; 37 is a moving block; 41 is a collection hopper; 42 is a collection box; 43 is a collection box; 44 is a handle; 51 is a chute; 52 is a slider; 61 is a guide plate; 71 is a support frame; 81 is a control box. Specific implementation mode

[0032] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0033] Such as Figures 1 to 5As shown, a sand column strength testing machine provided by an embodiment of the utility model comprises a workbench 1, the upper end surface of the workbench 1 is fixedly connected with a fixing frame 11, the lower end surface of the fixing frame 11 is fixedly connected with a hydraulic telescopic column 12, the movable end of the hydraulic telescopic column 12 is fixedly connected with a pressure plate 13, the fixing frame 11 can fix the hydraulic telescopic column 12 to ensure the stability of the hydraulic telescopic column 12, a movable plate 14 is provided under the pressure plate 13, the pressure plate 13 is moved downward by extending the hydraulic telescopic column 12, and the strength test of the sand column on the movable plate 14 is performed, the movable plate 14 is slidably connected to the workbench 1, a collecting tank 15 is provided on the workbench 1, and the collecting tank 15 is located directly below the moving plate 14, the lower end surface of the workbench 1 is fixedly connected with a crushing box 16, and the crushing box 1 6, two symmetrical crushing rollers 17 are rotatably connected, one side of the crushing box 16 is fixedly connected to two symmetrical positioning plates 18, the upper end surface of the positioning plate 18 is fixedly connected to a driving motor 19, and the output end of the driving motor 19 is connected to a rotating rod 20, the rotating rod 20 is fixedly connected to the crushing roller 17 and is rotatably connected to the crushing box 16, and cooperates with the movement of the moving plate 14 to make the block sand column fall into the crushing box 16 through the collecting trough 15, and the two driving motors 19 rotate in opposite directions at the same time, so that the two crushing rollers 17 rotate toward the center at the same time to crush the falling block sand column, and the crushing box 16 is fixedly connected to two symmetrical guide plates 61, which are located above the crushing rollers 17, and the two guide plates 61 can guide the block sand column to make it all The upper end of the workbench 1 passes through the center of the two crushing rollers 17, which is convenient for comprehensive crushing. A U-shaped frame 31 is fixedly connected to the upper end surface of the workbench 1, and a through slot 32 is opened on one side of the U-shaped frame 31. A movable slot 33 is opened on the upper end surface of the workbench 1. A fixing plate 34 is fixedly connected to one side of the workbench 1. A forward and reverse motor 35 is fixedly connected to the upper end surface of the fixing plate 34. A screw rod 36 is connected to the output end of the forward and reverse motor 35. The screw rod 36 is rotatably connected to the workbench 1. A moving block 37 is screwed on the outer wall of the screw rod 36. The moving block 37 is fixedly connected to the moving plate 14. The operation of the forward and reverse motor 35 causes the screw rod 36 to be screwed with the moving block 37. Through the movement of the moving block 37, the moving plate 14 is brought through the through slot 32, and the use of the U-shaped frame 31 is used to The crushed materials are scraped and cleaned, and all fall into the crushing box 16. The lower end surface of the crushing box 16 is fixedly connected with a collecting bucket 41, and the lower end surface of the collecting bucket 41 is fixedly connected with a collecting box 42. A collecting box 43 is movably connected to one side of the collecting box 42, and a handle 44 is fixedly connected to one side of the collecting box 43. The collecting box 43 can uniformly collect and process the crushed sand column materials. Two symmetrical chutes 51 are provided on the upper end surface of the workbench 1. The two chutes 51 are located on both sides of the movable groove 33. A slider 52 is slidably connected in the chute 51. The slider 52 is fixedly connected to the movable plate 14. The use of the two chutes 51 and the two sliders 52 can limit the movable plate 14 to ensure the stable movement of the movable plate 14. The lower end surface of the workbench 1 is fixedly connected with a supporting frame 71.The support frame 71 is fixedly connected to the collection box 42. By using the support frame 71, the workbench 1 and the collection box 42 can be stably supported. A control box 81 is fixedly connected to the upper end surface of the workbench 1. By using the control box 81, the strength testing machine can be controlled.

[0034] The working principle and usage process of the present utility model: When in use, first, place the sand column to be tested at the center of the moving plate 14. Under the action of the hydraulic telescopic column 12, the pressure plate 13 moves downward to conduct a pressure test on the sand column. After the test is completed, the positive and negative motor 35 rotates, causing the screw rod 36 and the moving block 37 to be screwed together. Through the movement of the moving block 37, the moving plate 14 moves towards the direction of the positive and negative motor 35. Passing through the through groove 32 and in cooperation with the use of the U-shaped frame 31, the debris and blocky sand columns on the moving plate 14 are quickly cleaned, and all of them fall into the crushing box 16. In cooperation with the use of the two guide plates 61, all the blocky sand columns pass through the center positions of the two crushing rollers 17. At the same time, the two driving motors 19 rotate in the opposite direction at the same time, driving the two crushing rollers 17 to rotate towards the center to crush the falling blocky sand columns, and they are uniformly collected through the collection box 43, which is convenient for collection and processing, thereby realizing the use process of the entire sand column strength testing machine.

[0035] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0036] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sand column strength testing machine, comprising a workbench (1), characterized in that: The upper end surface of the workbench (1) is fixedly connected to a fixed frame (11), the lower end surface of the fixed frame (11) is fixedly connected to a hydraulic telescopic column (12), the movable end of the hydraulic telescopic column (12) is fixedly connected to a pressure plate (13), a movable plate (14) is provided below the pressure plate (13), and the movable plate (14) is slidably connected to the workbench (1); The workbench (1) is provided with a collecting trough (15), and the collecting trough (15) is located directly below the movable plate (14). The lower end surface of the workbench (1) is fixedly connected to a crushing box (16), and two symmetrical crushing rollers (17) are rotatably connected inside the crushing box (16). Two symmetrical positioning plates (18) are fixedly connected to one side of the crushing box (16), and a driving motor (19) is fixedly connected to the upper end surface of the positioning plate (18). The output end of the driving motor (19) is connected to a rotating rod (20), and the rotating rod (20) is fixedly connected to the crushing roller (17) and rotatably connected to the crushing box (16).

2. A sand column strength testing machine according to claim 1, characterized in that: The upper end surface of the workbench (1) is fixedly connected to a U-shaped frame (31), one side of the U-shaped frame (31) is provided with a through groove (32), the upper end surface of the workbench (1) is provided with a movable groove (33), one side of the workbench (1) is fixedly connected to a fixing plate (34), the upper end surface of the fixing plate (34) is fixedly connected to a forward and reverse motor (35), the output end of the forward and reverse motor (35) is connected to a screw rod (36), the screw rod (36) is rotatably connected to the workbench (1), a moving block (37) is screwed on the outer wall of the screw rod (36), and the moving block (37) is fixedly connected to the moving plate (14).

3. A sand column strength testing machine according to claim 1, characterized in that: The lower end surface of the crushing box (16) is fixedly connected to a collecting bucket (41), the lower end surface of the collecting bucket (41) is fixedly connected to a collecting box (42), one side of the collecting box (42) is movably connected to a collecting box (43), and one side of the collecting box (43) is fixedly connected to a handle (44).

4. A sand column strength testing machine according to claim 2, characterized in that: The upper end surface of the workbench (1) is provided with two symmetrical slide grooves (51), the two slide grooves (51) are located on both sides of the movable groove (33), a slider (52) is slidably connected in the slide groove (51), and the slider (52) is fixedly connected to the movable plate (14).

5. A sand column strength testing machine according to claim 1, characterized in that: Two symmetrical material guide plates (61) are fixedly connected inside the crushing box (16), and the material guide plates (61) are located above the crushing roller (17).

6. A sand column strength testing machine according to claim 3, characterized in that: A support frame (71) is fixedly connected to the lower end surface of the workbench (1), and the support frame (71) is fixedly connected to the collection box (42).

7. A sand column strength testing machine according to claim 1, characterized in that: A control box (81) is fixedly connected to the upper end surface of the workbench (1).

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