Safety protection cover of adjusting type universal testing machine

Abstract

The utility model relates to the technical field of universal testing machines, and discloses an adjusting type universal testing machine safety protective cover which comprises two mounting beams, a plurality of protective plates are arranged between the two mounting beams, each protective plate further comprises two movable plates and a fixed plate, and the two movable plates are movably mounted at one end of the fixed plate respectively. The two movable plates are further movably installed on the corresponding installation beams through connecting pieces respectively, first pull rods and second pull rods are movably installed in the movable plates, inserting rods are fixedly installed at the ends, opposite to the first pull rods, of the second pull rods, and the second pull rods are movably connected with the inserting rods. The plurality of guard plates are arranged between the two mounting beams, each guard plate is composed of two movable plates and one fixed plate, the first pull rod, the second pull rod, the inserting rod, the clamping block and other assemblies are matched, so that height adjustment can be conducted according to the size of the testing machine, and meanwhile the guard plates are movably mounted on the testing machine through the connecting pieces or the angle of the guard plates is limited. Therefore, the personnel can be protected in the test process.

Description

Technical Field

[0001] The utility model relates to the technical field of universal testing machines, in particular to an adjustable safety protection cover for a universal testing machine. Background Art

[0002] Universal testing machine is a material mechanics testing equipment that integrates multiple functions such as tension, bending, compression, shear, and ring stiffness. It is mainly used to test and evaluate the mechanical properties of metal and non-metal materials. For example, it can measure various mechanical performance indicators such as tensile strength, yield strength, elastic modulus, and elongation at break, and display, record, and print test data in real time.

[0003] The existing Chinese utility model patent disclosed by publication number CN209264424U: A universal testing machine, the application includes a base, a column, an upper beam, and a lower beam, the upper beam and the lower beam are both provided with a wedge clamp, the wedge clamp includes a mounting seat, a pair of wedge blocks, and the mounting seat is provided with a wedge groove for the wedge blocks to slide. When the application uses the wedge clamp to perform a tensile or bending test on the test article, the test article will be subjected to a maximum tensile force or pressure that exceeds the maximum tensile force or pressure that its own material can withstand, causing the test article to break or break, and the force of the instantaneous fracture of the article will cause the fragments produced by the fracture to fly outward, which can easily cause injuries to surrounding personnel. At the same time, some universal testing machines are provided with protective structures, but most of the protective structures have fixed sizes and cannot be applied to universal testing machines of different models. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable universal testing machine safety shield, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A safety shield for an adjustable universal testing machine comprises two mounting beams, a plurality of guard plates being arranged between the two mounting beams, the guard plates further comprising two movable plates and a fixed plate, and the two movable plates are movably mounted on one end of the fixed plate respectively, the two movable plates are also movably mounted on the corresponding mounting beams respectively through connecting pieces, a first pull rod and a second pull rod are movably mounted in the movable plate, an insertion rod is fixedly mounted on one end of the second pull rod relative to the first pull rod, the second pull rod and the insertion rod are movably connected to each other, and a clamping block is movably mounted on the first pull rod and the second pull rod located on the outer side of the movable plate respectively.

[0007] As a further preferred solution of the present invention, a telescopic slot is provided in the movable plate, the movable plate is installed on one end of the fixed plate through the telescopic slot, and supporting seats are provided at the front and rear ends of the movable plate.

[0008] As a further preferred embodiment of the present invention, a side block is fixedly mounted on the bottom of the support seat, a slot is provided on the top of the support seat, and the support seat is fixedly mounted on the front end or rear end of the movable plate through the side block;

[0009] Based on this, the provision of the supporting seat can provide conditions for the installation of the first pull rod and the second pull rod.

[0010] As a further preferred solution of the present invention, a slide groove is provided in the fixing plate, and a plurality of slots are provided at the front end and the rear end of the fixing plate;

[0011] Based on this, the sliding groove is provided in the fixed plate to facilitate the first pull rod, the second pull rod and the insertion rod to pass through the movable plate and the fixed plate, and to facilitate the positioning of the movable plate by the clamping block.

[0012] As a further preferred embodiment of the present invention, a socket is provided in the first pull rod, the first pull rod is inserted and installed in the front end of the movable plate and extends into the slide groove, and the front end of the first pull rod passes through the notch on the top of the corresponding support seat and is threadedly connected to the first end block, the second pull rod is inserted and installed in the rear end of the movable plate and extends into the slide groove, and the second pull rod also passes through the notch on the top of the corresponding support seat and is threadedly connected to the second end block, and the front end of the insertion rod passes through the socket and extends to the front end of the first end block and is threadedly connected to the third end block;

[0013] Based on this, the insertion rod is inserted into the socket and extended to the front position of the first end block. By pulling the first end block and pushing the third end block simultaneously, one side of the two card blocks can be disengaged from the corresponding card slots respectively.

[0014] As a further preferred solution of the present invention, a base plate is fixedly installed at the bottom of the clamping block, a countersunk hole is opened in the clamping block, and a fixing screw is threadedly connected to the inner surface of the countersunk hole. The clamping block is installed on the outside of the first pull rod or the second pull rod through the base plate and fixed by screws. The first pull rod located between one of the clamping blocks and one of the supporting seats is provided with a compression spring, and the second pull rod located between the other clamping block and the other supporting seat is also provided with a compression spring.

[0015] As a further preferred embodiment of the present invention, the connecting member includes a sleeve, a bracket is rotatably mounted on the top of the sleeve, and one side of the bracket is fixedly mounted in the corresponding movable plate, and the sleeve is inserted and mounted on the mounting beam;

[0016] Based on this, the installation position of the guard plate can be adjusted by setting the sleeve and the bracket.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the present invention, multiple guard plates are arranged between two mounting beams, and the guard plates consist of two movable plates and a fixed plate, and cooperate with the first pull rod, the second pull rod, the plug rod, the clamping block and other components to achieve height adjustment according to the size of the testing machine, and at the same time, the guard plates can be movably or angle-limitedly installed on the testing machine with the help of connecting parts, thereby achieving protection for personnel during the test process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the guard plate structure of the present utility model;

[0021] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0022] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0023] Figure 5 This is a schematic diagram of the split structure of the first pull rod and the second pull rod of the utility model;

[0024] Figure 6 This is a schematic diagram of the card block structure of the present utility model;

[0025] Figure 7 This is a schematic diagram of the installation of the main structure of the utility model.

[0026] In the figure: 1. Mounting beam; 2. Guard plate; 3. Movable plate; 4. Fixed plate; 5. First pull rod; 6. Second pull rod; 7. Insert rod; 8. Clamping block; 9. Side plate; 10. Connector; 11. Telescopic slot; 12. Slide slot; 13. Clamping slot; 14. Support seat; 15. Side block; 16. Insertion hole; 17. First end block; 18. Second end block; 19. Third end block; 20. Bottom plate; 21. Countersunk hole; 22. Compression spring; 23. Sleeve; 24. Bracket. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] like Figure 1-Figure 7As shown, the utility model provides an adjustable universal testing machine safety shield, comprising two mounting beams 1, a plurality of guard plates 2 are arranged between the two mounting beams 1, the guard plate 2 further comprising two movable plates 3 and a fixed plate 4, and the two movable plates 3 are movably mounted on one end of the fixed plate 4 respectively, and the two movable plates 3 are also movably mounted on the corresponding mounting beams 1 respectively through connecting members 10, a first pull rod 5 and a second pull rod 6 are movably mounted in the movable plate 3, an insertion rod 7 is fixedly mounted on one end of the second pull rod 6 relative to the first pull rod 5, the second pull rod 6 and the insertion rod 7 are movably connected to each other, and the first pull rod 5 and the second pull rod 6 located at the outer side of the movable plate 3 are movably mounted with a clamping block 8 respectively.

[0029] A telescopic slot 11 is provided in the movable plate 3, and the movable plate 3 is installed at one end of the fixed plate 4 through the telescopic slot 11. A supporting seat 14 is provided at the front and rear ends of the movable plate 3. A side block 15 is fixedly installed at the bottom of the supporting seat 14. A notch is provided at the top of the supporting seat 14, and the supporting seat 14 is fixedly installed at the front or rear end of the movable plate 3 through the side block 15. Based on this, the setting of the supporting seat 14 can provide conditions for the installation of the first pull rod 5 and the second pull rod 6. A sliding slot 12 is provided in the fixed plate 4, and a plurality of card slots 13 are provided at the front and rear ends of the fixed plate 4. Based on this , a slide groove 12 is opened in the fixed plate 4 to facilitate the first pull rod 5, the second pull rod 6, and the plug rod 7 to pass through the movable plate 3 and the fixed plate 4, and to facilitate the block 8 to limit the position of the movable plate 3. A plug hole 16 is opened in the first pull rod 5. The first pull rod 5 is inserted and installed at the front end of the movable plate 3 and extends into the slide groove 12, and the front end of the first pull rod 5 passes through the notch at the top of the corresponding support seat 14 and is threadedly connected to the first end block 17. The second pull rod 6 is inserted and installed at the rear end of the movable plate 3 and extends into the slide groove 12, and the second pull rod 6 also passes through the notch at the top of the corresponding support seat 14 and is threadedly connected The second end block 18 is connected, and the front end of the plug rod 7 extends through the socket 16 to the front end of the first end block 17 and is threadedly connected to the third end block 19. Based on this, the plug rod 7 is inserted and installed in the socket 16 and extended to the front position of the first end block 17. The first end block 17 and the third end block 19 can be pulled synchronously to disengage one side of the two card blocks 8 from the corresponding card slots 13. The bottom of the card block 8 is fixedly installed with a bottom plate 20, and a countersunk hole 21 is opened in the card block 8. The countersunk hole 21 is threadedly connected with a fixing screw. The card block 8 is inserted and installed in the first pull rod 5 or The outside of the second pull rod 6 is fixed by screws, and the first pull rod 5 located between one of the blocks 8 and one of the supporting seats 14 is equipped with a compression spring 22, and the second pull rod 6 located between the other block 8 and the other supporting seat 14 is also equipped with a compression spring 22. The connecting part 10 includes a sleeve 23, and a bracket 24 is rotatably installed on the top of the sleeve 23, and one side of the bracket 24 is fixedly installed in the corresponding movable plate 3, and the sleeve 23 is inserted and installed on the mounting beam 1. Based on this, the installation position of the guard plate 2 can be adjusted by setting the sleeve 23 and the bracket 24.

[0030] It should be noted that the present invention is an adjustable universal testing machine safety shield. Before installing the entire device, the overall height of the two movable plates 3 and the fixed plate 4 can be adjusted according to the actual height of the testing machine. It is only necessary to pull the first end block 17 at the front end of the movable plate 3 toward the operator, and at the same time, use the thumb to press the third end block 19 toward the first end block 17, so that the first end block 17 drives the first pull rod 5 to move forward, and the third end block 19 drives the insertion rod 7 and the second pull rod 6 to move backward, so that the first pull rod 5 and the second pull rod 6 respectively drive the outer block 8 to move forward and backward, and the first pull rod 5 and the second pull rod 6 respectively compress the corresponding compression spring 22 through the outer block 8 and the bottom plate 20 of the block 8. When the movable plate 3 is moved to the left, the first end block 17 is released, and the compression spring 22 on the outside of the first and second pull rods 5 and 6 is used to push the block 8 back to its original position, so that the block 8 is re-engaged in the corresponding slot 13, and the position of the movable plate 3 is limited. Then, the other movable plate 3 can be operated in the same way as above.

[0031] When all the guard plates 2 are assembled, one side of the movable plate 3 is fixedly installed on the corresponding side of the bracket 24, and the bracket 24 can be fixed on the sleeve 23 according to actual needs, so that the installation angle of the guard plate 2 is fixed. At the same time, the guard plate 2 can be rotated between the two mounting beams 1 through the cooperation of the two sets of sleeves 23 and the bracket 24, thereby realizing the function of the protective door, which is convenient for taking and placing the test product from the fixture of the testing machine. Finally, the side panels 9 at both ends of the mounting beam 1 can be fixedly installed on one side of the testing machine.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable universal testing machine safety shield, characterized by: The invention comprises two mounting beams (1), a plurality of guard plates (2) are arranged between the two mounting beams (1), the guard plates (2) further comprising two movable plates (3) and a fixed plate (4), and the two movable plates (3) are movably mounted on one end of the fixed plate (4), and the two movable plates (3) are also movably mounted on the corresponding mounting beams (1) through connecting members (10), a first pull rod (5) and a second pull rod (6) are movably mounted in the movable plates (3), an insertion rod (7) is fixedly mounted on one end of the second pull rod (6) relative to the first pull rod (5), the second pull rod (6) and the insertion rod (7) are movably connected to each other, and a clamping block (8) is movably mounted on the first pull rod (5) and the second pull rod (6) located outside the movable plate (3).

2. The adjustable universal testing machine safety shield according to claim 1, characterized in that: A telescopic slot (11) is provided in the movable plate (3), and the movable plate (3) is installed on one end of the fixed plate (4) through the telescopic slot (11). Support seats (14) are provided at the front and rear ends of the movable plate (3).

3. The adjustable universal testing machine safety shield according to claim 2, characterized in that: A side block (15) is fixedly mounted on the bottom of the support seat (14), a slot is provided on the top of the support seat (14), and the support seat (14) is fixedly mounted on the front end or rear end of the movable plate (3) via the side block (15).

4. The adjustable universal testing machine safety shield according to claim 3, characterized in that: A sliding groove (12) is provided in the fixing plate (4), and a plurality of clamping grooves (13) are provided at the front end and the rear end of the fixing plate (4).

5. The adjustable universal testing machine safety shield according to claim 4, characterized in that: A socket (16) is provided in the first pull rod (5), the first pull rod (5) is inserted and installed at the front end of the movable plate (3) and extends into the slide groove (12), and the front end of the first pull rod (5) passes through the slot at the top of the corresponding support seat (14) and is threadedly connected to the first end block (17), the second pull rod (6) is inserted and installed at the rear end of the movable plate (3) and extends into the slide groove (12), and the second pull rod (6) also passes through the slot at the top of the corresponding support seat (14) and is threadedly connected to the second end block (18), and the front end of the insertion rod (7) passes through the socket (16) and extends to the front end of the first end block (17) and is threadedly connected to the third end block (19).

6. The adjustable universal testing machine safety shield according to claim 5, characterized in that: A base plate (20) is fixedly installed at the bottom of the clamping block (8), a countersunk hole (21) is opened in the clamping block (8), and a fixing screw is connected to the inner thread of the countersunk hole (21). The clamping block (8) is inserted through the base plate (20) and installed on the outside of the first pull rod (5) or the second pull rod (6) and fixed by screws. The first pull rod (5) located between one of the clamping blocks (8) and one of the supporting seats (14) is provided with a compression spring (22), and the second pull rod (6) located between the other clamping block (8) and the other supporting seat (14) is also provided with a compression spring (22).

7. The adjustable universal testing machine safety shield according to claim 1, characterized in that: The connecting member (10) includes a sleeve (23), a bracket (24) is rotatably mounted on the top of the sleeve (23), and one side of the bracket (24) is fixedly mounted in the corresponding movable plate (3), and the sleeve (23) is inserted and mounted on the mounting beam (1).

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