Hydraulic pressure testing machine for concrete test block

Abstract

The utility model discloses a concrete test block hydraulic pressure testing machine, including lifting piece, down-pressing piece and electric cabinet, lifting piece includes the support table, the top surface of support table is horizontally rotatingly connected with a plurality of lower riding wheel, and the both sides of support table are horizontally fixed with a plurality of slide bar, and the plurality of slide bar on the both sides end face of support table are all horizontally and slidingly provided with the hole frame, and the hole frame is provided with the hole frame. And adjusting pieces are arranged on the other two side end faces of the supporting table and comprise sliding frames, the sliding frames are vertically fixed to the side end faces of the supporting table, and sliding plates are vertically installed on the sliding frames in a sliding mode. According to the utility model, the problems that a test block is manually placed on a bearing table, and in the later stage, the position of the test block placed on the bearing table needs to be manually adjusted and the concrete test block needs to be manually carried back and forth in order to conveniently align the concrete test block to the center of a lower pressing plate and avoid inaccurate measurement data of a pressure test are solved; and the labor intensity is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure testing machines, in particular to a concrete test block hydraulic pressure testing machine. Background Art

[0002] During the construction of bridges and other projects, a large number of pressure tests are required on concrete test blocks, mortar or cement test blocks, and the pressure tests are usually carried out using pressure testing machines.

[0003] The existing announcement number is CN203502304U, and the name is an electro-hydraulic pressure testing machine, which includes an upper beam, a lower beam, an operating box, an oil cylinder, a piston, and a guide column; the guide column is connected to the upper beam and the lower beam, and a hand wheel and an adjusting screw are installed on the upper beam, and a ball seat is installed at the lower end of the adjusting screw, and an upper pressure plate is installed at the lower end of the ball seat; the operating box is equipped with an electric motor, an oil tank, an oil filter, an oil pump, an oil delivery valve, an oil return valve, and a sensor, wherein one path of the electric motor is connected to the oil tank through the oil filter, and the other path is connected to the oil delivery valve and the oil return valve through the oil pump using an oil outlet pipe, and the sensor It is connected to the oil return valve; the oil delivery valve and the oil return valve are both connected to the oil cylinder; the oil cylinder is mounted on the lower beam and connected to the piston, a sealing device is provided at the connection between the oil cylinder and the piston, and an annular oil groove is provided at the top of the oil cylinder; a lower pressure plate is installed on the piston, a positioning scale is provided on the lower pressure plate, and a dust cover is provided on the bottom surface of the lower pressure plate. The load is adjusted by an adjustment button during the loading and unloading process to make the load stable. The design of the ball seat can automatically adjust the balance to keep the test piece and the upper and lower pressure plates always balanced, and has the advantages of good sealing effect, high display accuracy, and convenient reading of test data.

[0004] However, the above-mentioned pressure testing machine uses manual labor to place the test block on the bearing platform. In order to facilitate the concrete test block to be aligned with the center of the lower pressure plate and avoid the problem of inaccurate measurement data of the pressure test, manual labor is required to adjust the position of the test block on the bearing platform. The concrete test block is moved back and forth by manual labor, which is labor-intensive. Utility Model Content

[0005] The utility model aims to provide a concrete test block hydraulic pressure testing machine, aiming to improve the above-mentioned problems.

[0006] The utility model is achieved in this way:

[0007] A concrete test block hydraulic pressure testing machine comprises a lifting member, a pressing member and an electric control box, the lifting member comprises a supporting platform, a plurality of lower supporting wheels are horizontally rotatably connected to the top surface of the supporting platform, and a plurality of sliding rods are horizontally fixed to both sides of the supporting platform, hole frames are horizontally slidably arranged on the plurality of sliding rods on the end surfaces of both sides of the supporting platform, and a rotating wheel is horizontally rotatably connected to the hole frames, and adjusting members are arranged on the other two end surfaces of the supporting platform, the adjusting members comprise a sliding frame, the sliding frame is vertically fixed to the side end surface of the supporting platform, and a slide plate is vertically slidably installed on the sliding frame, a sliding hole plate is vertically fixed to the slide plate, and an adjusting rod is horizontally slidably inserted through the sliding hole plate, a pressing member is vertically arranged on one side of the supporting platform, and an electric control box is vertically arranged on the other side of the supporting platform.

[0008] Furthermore, a first spring is horizontally fixed on the hole frame, and the other end of the first spring is fixed on the end surface of the hole frame.

[0009] Furthermore, a second spring is horizontally fixed on the adjusting rod, and two ends of the second spring are respectively fixed on the end of the adjusting rod and the sliding hole plate.

[0010] Furthermore, a third spring is vertically fixed on the bottom surface of the slide plate, and the bottom end of the third spring is fixed on the bottom surface of the slide frame.

[0011] Furthermore, the pressing member includes a bracket, which is fixed on one side end surface of the support platform, and a hole seat is fixed at one end of the bracket, and a rod seat is vertically arranged on the hole seat, and a guide rod is vertically fixed on the bottom surface of the rod seat, and the guide rod is vertically slidably connected in the hole seat.

[0012] Furthermore, a hydraulic rod is vertically fixed on the rod seat, and a pressure plate is horizontally fixed on the output end of the hydraulic rod.

[0013] Furthermore, a screw rod is installed through a vertical thread on one side of the bottom end of the rod seat, and the bottom end of the screw rod is rotatably connected to the hole seat.

[0014] Compared with the prior art, the utility model has the following beneficial effects: during use, the slide plate is firstly slid vertically down on the slide frame, and then the concrete test block is placed on the support platform. Later, the concrete test block is horizontally slid on the slide rod by the hole frames on both sides of the support platform, so that the hole frames push the hole frames to clamp and hold the concrete test block to move horizontally on the support platform under the deformation pressure of the first spring, and then the slide plate is vertically slid up on the slide frame, and the adjustment rod on the sliding hole plate is pushed to push the lower supporting wheel of the concrete test block on the support platform to move, so as to facilitate the adjustment of the concrete test block to be opposite to the center of the lower pressure plate, thereby ensuring the accuracy of the measurement data of the pressure test. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the lifting member in the embodiment of the utility model in the disassembled state;

[0019] Figure 4 It is a schematic structural diagram of the lower pressing member in the embodiment of the utility model in the disassembled state;

[0020] Figure 5 It is a schematic structural diagram of the adjusting member in the embodiment of the utility model in a disassembled state.

[0021] In the figure: 1. lifting member; 11. supporting platform; 12. lower supporting wheel; 13. sliding rod; 14. hole frame; 15. rotating wheel; 16. first spring; 17. adjusting member; 171. sliding frame; 172. sliding plate; 173. sliding hole plate; 174. adjusting rod; 175. second spring; 176. third spring; 2. pressing member; 21. bracket; 22. hole seat; 23. rod seat; 24. guide rod; 25. screw rod; 26. hydraulic rod; 27. pressing plate; 3. electric control box. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a concrete test block hydraulic pressure testing machine includes a lifting member 1, a pressing member 2 and an electric control box 3. The lifting member 1 includes a support 11. A plurality of lower supporting wheels 12 are horizontally rotatably connected to the top surface of the support 11, and a plurality of sliding rods 13 are horizontally fixed on both sides of the support 11. Hole frames 14 are horizontally slidably arranged on the plurality of sliding rods 13 on both side end surfaces of the support 11, and a rotating wheel 15 is horizontally rotatably connected in the hole frame 14. Adjusting members 17 are arranged on the other two side end surfaces of the support 11. The adjusting member 17 includes a sliding frame 171, which is vertically fixed on the side end surface of the support 11, and a slide plate 172 is vertically slidably installed on the slide frame 171, a sliding hole plate 173 is vertically fixed on the slide plate 172, and a horizontally sliding through-inserted hole plate 173 is inserted on the sliding hole plate 173. Adjusting rod 174, a downward pressure piece 2 is vertically arranged on one side of the support platform 11, and an electric control box 3 is vertically arranged on the other side of the support platform 11. During use, the slide plate 172 is now vertically slid down on the slide frame 171, and then the concrete test block is placed on the support platform 11. Later, the concrete test block is horizontally slid on the slide rod 13 by the hole racks 14 on both sides of the support platform 11, so that the hole racks 14 push the hole racks 14 to clamp and keep the concrete test block horizontally moving on the support platform 11 under the deformation pressure of the first spring 16, and then the slide plate 172 is vertically slid up on the slide frame 171, and the adjusting rod 174 on the sliding hole plate 173 is pushed to push the lower supporting wheel 12 of the concrete test block on the support platform 11 to move, so as to facilitate the adjustment of the concrete test block to be opposite to the center of the lower pressure plate, and ensure the accuracy of the measurement data of the pressure test.

[0024] See also Figure 3 A first spring 16 is horizontally fixed on the hole frame 14, and the other end of the first spring 16 is fixed on the end surface of the hole frame 14. The hole frame 14 is pushed under the deformation pressure of the first spring 16 to clamp and hold the concrete test block to move horizontally on the support platform 11.

[0025] See also Figure 4A second spring 175 is horizontally fixed on the adjusting rod 174, and the two ends of the second spring 175 are respectively fixed on the end of the adjusting rod 174 and the sliding hole plate 173, a third spring 176 is vertically fixed on the bottom surface of the slide plate 172, and the bottom end of the third spring 176 is fixed on the bottom surface of the sliding frame 171, the pressing member 2 includes a bracket 21, the bracket 21 is fixed on one side end surface of the support platform 11, and a hole seat 22 is fixed at one end of the bracket 21, and a rod seat 23 is vertically arranged on the hole seat 22, and a guide rod 24 is vertically fixed on the bottom surface of the rod seat 23, and the guide rod 24 It is vertically slidably connected in the hole seat 22, a hydraulic rod 26 is vertically fixed on the rod seat 23, and a pressure plate 27 is horizontally fixed on the output end of the hydraulic rod 26, a screw rod 25 is vertically threaded through one side of the bottom end of the rod seat 23, and the bottom end of the screw rod 25 is rotatably connected to the hole seat 22. During use, the screw rod 25 on the rod seat 23 is rotated according to the thickness of the concrete test block, and the thread drives the rod seat 23 to slide vertically upward on the hole frame 21 to adjust the depth of the downward pressure of the concrete test block, start the hydraulic rod 26 to extend downward, and push the pressure plate 27 to squeeze the concrete test block on the support 11.

[0026] Working principle: During use, the slide plate 172 is first slid vertically down on the slide frame 171, and then the concrete test block is placed on the support 11. Later, the concrete test block is horizontally slid on the slide rod 13 by the hole racks 14 on both sides of the support 11, so that the hole racks 14 push the hole racks 14 to clamp and keep the concrete test block moving horizontally on the support 11 under the deformation pressure of the first spring 16, and then the slide plate 172 is slid vertically up on the slide frame 171, pushing the adjustment rod 174 on the sliding hole plate 173 to push the lower supporting wheel 12 of the concrete test block on the support 11 to move, so as to facilitate the adjustment of the concrete test block to be opposite to the center of the lower pressure plate.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A concrete test block hydraulic pressure testing machine, characterized in that: The invention comprises a lifting member (1), a pressing member (2) and an electric control box (3), wherein the lifting member (1) comprises a supporting platform (11), a plurality of lower supporting wheels (12) are horizontally rotatably connected to the top surface of the supporting platform (11), a plurality of sliding rods (13) are horizontally fixed to both sides of the supporting platform (11), a hole frame (14) is horizontally slidably arranged on the plurality of sliding rods (13) on both side end surfaces of the supporting platform (11), a rotating wheel (15) is horizontally rotatably connected to the hole frame (14), and an adjusting wheel (15) is arranged on the other two side end surfaces of the supporting platform (11). The joint part (17) comprises a sliding frame (171), the sliding frame (171) is vertically fixed on the side end surface of the support platform (11), and a slide plate (172) is vertically slidably installed on the sliding frame (171), a sliding hole plate (173) is vertically fixed on the slide plate (172), and an adjusting rod (174) is horizontally slidably inserted through the sliding hole plate (173), a pressing member (2) is vertically arranged on one side of the support platform (11), and an electric control box (3) is vertically arranged on the other side of the support platform (11).

2. A concrete test block hydraulic pressure testing machine according to claim 1, characterized in that: A first spring (16) is horizontally fixed on the hole frame (14), and the other end of the first spring (16) is fixed on the end surface of the hole frame (14).

3. A concrete test block hydraulic pressure testing machine according to claim 1, characterized in that: A second spring (175) is horizontally fixed on the adjusting rod (174), and two ends of the second spring (175) are respectively fixed on the end of the adjusting rod (174) and the sliding hole plate (173).

4. A concrete test block hydraulic pressure testing machine according to claim 3, characterized in that: A third spring (176) is vertically fixed on the bottom surface of the slide plate (172), and the bottom end of the third spring (176) is fixed on the bottom surface of the slide frame (171).

5. A concrete test block hydraulic pressure testing machine according to claim 4, characterized in that: The pressing member (2) comprises a bracket (21), the bracket (21) is fixed on one side end surface of the support platform (11), a hole seat (22) is fixed on one end of the bracket (21), a rod seat (23) is vertically arranged on the hole seat (22), a guide rod (24) is vertically fixed on the bottom surface of the rod seat (23), and the guide rod (24) is vertically slidably connected in the hole seat (22).

6. A concrete test block hydraulic pressure testing machine according to claim 5, characterized in that: A hydraulic rod (26) is vertically fixed on the rod seat (23), and a pressure plate (27) is horizontally fixed on the output end of the hydraulic rod (26).

7. A concrete test block hydraulic pressure testing machine according to claim 6, characterized in that: A screw rod (25) is installed through a vertical thread on one side of the bottom end of the rod seat (23), and the bottom end of the screw rod (25) is rotatably connected to the hole seat (22).

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