Cutting device for test piece for water absorbability test of polymer concrete

Abstract

The utility model relates to the technical field of concrete cutting, in particular to a test piece cutting device for polymer concrete water absorption testing, which comprises a bottom plate, a fixing column integrally formed with the bottom plate is arranged at the top of the bottom plate, a cross rod integrally formed with the fixing column is arranged at the top end of the fixing column, and a hydraulic cylinder is arranged at the top of the cross rod. The output end of the hydraulic cylinder penetrates through the cross rod to be connected with a cutter, a connecting device is arranged in the output end of the hydraulic cylinder, the cutter can be rapidly disassembled and assembled from the output end of the hydraulic cylinder through the connecting device, a placing table is arranged below the cutter, and an avoiding device is arranged in the middle of the placing table. Furthermore, the cutter can be prevented from cutting the placing table, and the use experience can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete cutting technical field especially relates to a test piece cutting device for polymer concrete water absorption test. BACKGROUND

[0002] Polymer concrete water absorption test refers to evaluating the water absorption capacity of polymer concrete material when contacting water through a specific method, and water absorption is an important indicator to measure the durability and performance of concrete, because too high water absorption may lead to material degradation, strength reduction, and reduction of freeze-thaw resistance, etc., and cutting test pieces can provide a clearer and more intuitive observation surface, through cutting, the water penetration on the cross section of the concrete can be directly observed, which can more accurately evaluate the diffusion degree of water in the material.

[0003] The utility model discloses a cutting device for concrete, which includes a cutting device body and a fixing mechanism, the fixing mechanism includes a workbench, the workbench is located on the top surface of the cutting device body, a limiting sliding groove is formed on the top surface of the cutting device body, a connecting groove is formed on the inner side of the limiting sliding groove, a screw rod is connected to the inner side of the connecting groove through a bearing, one end of the screw rod penetrates through the cutting device body and is connected to a transmission assembly outside the cutting device body, a threaded sleeve is threadedly connected to the outer side of the screw rod, an activity board is fixedly connected to the top surface of the threaded sleeve, the activity board is located outside the top end of the cutting device body, a connecting rod is connected to the surface of the side of the activity board close to the workbench, and a resisting plate is arranged on the end face of the other end of the connecting rod.

[0004] However, the above-mentioned patent places the workpiece on the workbench for cutting, and the workbench and the workpiece are in contact with each other, which is relatively flat, and the surface of the workbench is easy to be cut when cutting the workpiece, affecting the service life, and the patent is not convenient to replace the cutting knife, and the cutting knife is easy to be worn out after long-term use, which affects the cutting effect. Utility model content

[0005] The utility model aims at providing a test piece cutting device for polymer concrete water absorption test, which can effectively reduce the influence on other objects during cutting, and is convenient to replace the cutting knife, which can effectively improve the use experience.

[0006] The utility model discloses a kind of test piece cutting devices for polymer concrete water absorption test, including bottom plate, bottom plate top is equipped with with bottom plate integrally-formed fixed column, fixed column top is equipped with with fixed column integrally-formed crossbar, crossbar top is equipped with hydraulic cylinder, the output end of hydraulic cylinder is connected with cutter passing through crossbar, the output end of hydraulic cylinder is equipped with connecting device, cutter can be quickly disassembled with the output end of hydraulic cylinder by connecting device, cutter below is equipped with placing table, placing table middle part is equipped with avoiding device.

[0007] Preferably, the connecting device includes a bidirectional threaded rod, which is rotatably installed in the output end of the hydraulic cylinder. Both ends of the bidirectional threaded rod are threadedly connected with clamping blocks. A fixed groove is formed in the bottom end of each clamping block. A fixed disc is clamped in the fixed groove. The bottom end of the fixed disc is fixedly connected with a connecting column. The bottom end of the connecting column is fixedly connected with the cutter. A handle is fixedly connected with one end of the bidirectional threaded rod, which passes through the output end of the hydraulic cylinder.

[0008] Preferably, the avoiding device includes a receiving groove, which is formed in the placing table. A plurality of springs are arranged in the receiving groove. One end of each spring is fixedly connected to the bottom end of the receiving groove. The other end of each spring is fixedly connected with a movable column. The movable column is slidingly installed in the receiving groove through the plurality of springs. The top of the movable column is fixedly connected with an avoiding table.

[0009] Preferably, a rounded corner is formed at each sharp corner of the bottom plate.

[0010] Preferably, an installation block is integrally formed with the bottom plate at each corner of the bottom plate. An installation hole is formed in the surface of each installation block.

[0011] Preferably, a drawer is formed in the bottom end of the placing table.

[0012] Preferably, a protective sleeve is sleeved on the surface of the handle.

[0013] Compared with the prior art, the utility model has the advantages that the cutter can be quickly replaced, the cutter can be easily maintained, the use experience can be effectively improved, and the placing table can be prevented from being damaged by the cutter, thereby effectively improving the service life of the placing table.

[0014] Compared with the prior art, the utility model has the advantages that the cutter can be quickly replaced, the cutter can be easily maintained, the use experience can be effectively improved, and the placing table can be prevented from being damaged by the cutter, thereby effectively improving the service life of the placing table. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A test piece cutting device structure schematic view for polymer concrete water absorption test is provided for the utility model;

[0016] Figure 2 An internal structure schematic view of a test piece cutting device for polymer concrete water absorption test is provided for the utility model;

[0017] Figure 3 A cutaway view of the test piece cutting device for testing the water absorption of polymer concrete according to the utility model;

[0018] Figure 4 A cutaway view of the test piece cutting device for testing the water absorption of polymer concrete according to the utility model.

[0019] The reference signs are as follows: 1, bottom plate; 12, fixed column; 13, crossbar; 14, hydraulic cylinder; 15, cutter; 16, placement table; 2, connecting device; 21, bidirectional threaded rod; 22, clamping block; 23, fixed groove; 24, fixed disc; 25, connecting column; 26, handle; 3, avoidance device; 31, storage groove; 32, spring; 33, movable column; 34, avoidance table; 4, round corner; 5, mounting block; 51, mounting hole; 6, drawer. DETAILED DESCRIPTION

[0020] The embodiments of the present application are further described below in combination with the drawings and specific examples.

[0021] As Figure 1 shown, a test piece cutting device for testing the water absorption of polymer concrete, comprising a bottom plate 1, the top of the bottom plate 1 is provided with a fixed column 12 which is integrally formed with the bottom plate 1, the top end of the fixed column 12 is provided with a crossbar 13 which is integrally formed with the fixed column 12, the top of the crossbar 13 is provided with a hydraulic cylinder 14, the output end of the hydraulic cylinder 14 is connected with a cutter 15 through the crossbar 13, the output end of the hydraulic cylinder 14 is provided with a connecting device 2, the cutter 15 can be quickly disassembled with the output end of the hydraulic cylinder 14 through the connecting device 2, the cutter 15 is provided below with a placement table 16, the middle of the placement table 16 is provided with an avoidance device 3, the sharp parts of the bottom plate 1 are all provided with round corners 4, the round corners 4 can effectively reduce the damage caused by bumps and also avoid scratching the user, the four corners of the bottom plate 1 are all provided with mounting blocks 5 which are integrally formed with the bottom plate 1, the surfaces of the mounting blocks 5 are all provided with mounting holes 51, the device can be fixedly installed by setting bolts and other fixing tools in the mounting holes 51, the bottom end of the placement table 16 is provided with a drawer 6, some devices for maintaining the cutter 15 can be stored in the drawer 6, which is convenient for the user to take.

[0022] Figure 2 and Figure 3As shown, the connecting device 2 comprises a bidirectional threaded rod 21, which is rotatably installed in the output end of the hydraulic cylinder 14, and clamping blocks 22 are threadedly connected to both ends of the bidirectional threaded rod 21, a fixing groove 23 is formed in the bottom end of each clamping block 22, a fixing disc 24 is clamped in the fixing groove 23, a connecting column 25 is fixedly connected to the bottom end of the fixing disc 24, the cutting knife 15 is fixedly connected to the bottom end of the connecting column 25, a handle 26 is fixedly connected to one end of the bidirectional threaded rod 21 penetrating through the output end of the hydraulic cylinder 14, and a protective sleeve is sleeved on the surface of the handle 26, which is made of flexible materials such as rubber or sponge, so as to avoid the influence of hand sweat on the rotation of the handle 26 and effectively improve the comfort when holding.

[0023] In specific implementation, when it is desired to disassemble the cutting knife 15, only the handle 26 is held and rotated, the handle 26 is rotated to drive the bidirectional threaded rod 21 to rotate, the bidirectional threaded rod 21 is rotated to drive the clamping blocks 22 at both ends thereof to move away from each other, the clamping blocks 22 move away from each other to make the fixing disc 24 lose cooperation with the fixing groove 23, and at this time, the cutting knife 15 can be removed. When it is desired to assemble the cutting knife 15, only the handle 26 is reversed to make the clamping blocks 22 move close to each other, so that the fixing groove 23 can clamp the fixing disc 24, and assembly is completed.

[0024] As shown in Figure 2 and Figure 4 The avoiding device 3 comprises a receiving groove 31, which is formed in the placing table 16, a plurality of springs 32 are arranged in the receiving groove 31, one end of each spring 32 is fixedly connected to the bottom end of the receiving groove 31, the other end is fixedly connected with a movable column 33, the movable column 33 is slidably installed in the receiving groove 31 through the plurality of springs 32, and an avoiding table 34 is fixedly connected to the top of the movable column 33.

[0025] In specific implementation, only the workpiece to be cut is placed on the placing table 16, and the middle part of the workpiece is placed on the avoiding table 34, and then the hydraulic cylinder 14 is started to push the cutting knife 15 to move downward, so as to contact and press the middle part of the workpiece on the placing table 16 and cut off the workpiece. The workpiece is pressed against the avoiding table 34 by the pushing force of the cutting knife 15, so as to compress the spring 32 and shrink into the receiving groove 31. At this time, the avoiding table 34 can only provide a small supporting force for the workpiece on the placing table 16, so as to better cut the workpiece by the cutting knife 15, and avoid crushing the avoiding table 34 due to the pushing force of the cutting knife 15 when the workpiece is broken, which can effectively improve the service life of the avoiding table 34.

[0026] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand; it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A test piece cutting device for water absorption test of polymer concrete, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a fixed column (12) integrally formed with the bottom plate (1) on the top, the top end of the fixed column (12) is provided with a cross bar (13) integrally formed with the fixed column (12), the top of the cross bar (13) is provided with a hydraulic cylinder (14), the output end of the hydraulic cylinder (14) is connected with a cutter (15) penetrating through the cross bar (13), the output end of the hydraulic cylinder (14) is provided with a connecting device (2), the cutter (15) can be quickly disassembled with the output end of the hydraulic cylinder (14) through the connecting device (2), the cutter (15) is provided below with a placing table (16), and the middle of the placing table (16) is provided with an avoiding device (3).

2. The test specimen cutting device for water absorption test of polymer concrete according to claim 1, characterized in that: The connecting device (2) comprises a bidirectional threaded rod (21), the bidirectional threaded rod (21) is rotatably installed in the output end of the hydraulic cylinder (14), the two ends of the bidirectional threaded rod (21) are both threadedly connected with a clamping block (22), the bottom end of the clamping block (22) is provided with a fixed groove (23), the fixed groove (23) is clamped with a fixed disc (24), the bottom end of the fixed disc (24) is fixedly connected with a connecting column (25), the bottom end of the connecting column (25) is fixedly connected with the cutter (15), and one end of the bidirectional threaded rod (21) is fixedly connected with a handle (26) penetrating through the output end of the hydraulic cylinder (14).

3. The test specimen cutting device for water absorption test of polymer concrete according to claim 1 or 2, characterized in that: The avoiding device (3) comprises a receiving groove (31) formed in the placing table (16), a plurality of springs (32) are arranged in the receiving groove (31), one end of each of the plurality of springs (32) is fixedly connected to the bottom end of the receiving groove (31), the other end of each of the plurality of springs (32) is fixedly connected with a movable column (33), the movable column (33) is slidably installed in the receiving groove (31) through the plurality of springs (32), and the top of the movable column (33) is fixedly connected with an avoiding table (34).

4. The test specimen cutting device for water absorption test of polymer concrete according to claim 1 or 2, characterized in that: The sharp parts of the bottom plate (1) are all provided with a round corner (4).

5. The test specimen cutting device for water absorption test of polymer concrete according to claim 3, characterized in that: The sharp parts of the bottom plate (1) are all provided with a round corner (4).

6. The test specimen cutting device for water absorption test of polymer concrete according to claim 1, 2 or 5, characterized in that: The four corners of the bottom plate (1) are all provided with an installation block (5) integrally formed with the bottom plate (1), and the surface of the installation block (5) is provided with an installation hole (51).

7. The test specimen cutting device for water absorption test of polymer concrete according to claim 4, characterized in that: The four corners of the bottom plate (1) are all provided with an installation block (5) integrally formed with the bottom plate (1), and the surface of the installation block (5) is provided with an installation hole (51).

8. The test specimen cutting device for water absorption test of polymer concrete according to claim 4, characterized in that: The four corners of the bottom plate (1) are all provided with an installation block (5) integrally formed with the bottom plate (1), and the surface of the installation block (5) is provided with an installation hole (51).

9. The test specimen cutting device for water absorption test of polymer concrete according to claim 1, 2, 5, 7 or 8, characterized in that: The bottom end of the placing table (16) is provided with a drawer (6).

10. The test specimen cutting device for water absorption test of polymer concrete according to claim 3, characterized in that: The surface of the handle (26) is provided with a protective sleeve.

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