Automatic hammer drill testing equipment

Abstract

The utility model discloses automatic hammer drill testing equipment, which comprises a rack, a motor, a linkage device, a lifting screw rod, a connecting rod, a hammer drill positioning seat, a clamping device and a control handle, the lifting screw rod is in driving connection with the motor, the connecting rod penetrates through the lifting screw rod and can slide relative to the lifting screw rod, and the lower end of the connecting rod is fixedly connected with the hammer drill positioning seat; a testing spring is arranged between the lifting screw rod and the hammer drill positioning seat in an abutting mode, the motor drives the lifting screw rod to move up and down through the linkage device, the position, abutting against the testing spring, of the lower end of the lifting screw rod is adjusted, and therefore the testing spring is adjusted to generate different testing pressures on the hammer drill positioning seat. According to the utility model, the test of the hammer drill is automatically adjusted, the use is very convenient, and the test efficiency is improved; and meanwhile, the designed clamping device is very convenient to take and place the hammer drill, so that the use is further facilitated, and the testing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hammer drill testing equipment, in particular to an automatic hammer drill testing equipment. Background Art

[0002] Hammer drill is a common impact tool. After assembly, it is necessary to test the pressure and torque that the hammer drill can withstand during operation. During the test, the hammer drill is positioned and installed on the test equipment, and then the hammer drill is powered on for testing. During the test, different models of hammer drills apply different test pressures. When conducting different pressure tests, existing equipment requires manual removal of some accessories, and then adjustment to adapt to the test pressure, which is very inconvenient. In addition, the existing structure is also very inconvenient when taking and placing the electric hammer. Therefore, it is necessary to improve the defects of existing test equipment. Summary of the invention

[0003] The purpose of the utility model is to solve the problems raised in the above background technology and provide an automatic hammer drill testing device.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: an automated hammer drill testing equipment, including a frame, a motor, a linkage device, a lifting screw, a connecting rod, a hammer drill positioning seat, a clamping device, and a control handle; the lifting screw is drivingly connected to the motor, the connecting rod is passed through the lifting screw, and the two can slide relatively, and the lower end of the connecting rod is fixedly connected to the hammer drill positioning seat; a test spring is abutted against the lifting screw and the hammer drill positioning seat, and the motor drives the lifting screw to move up and down through the linkage device, and adjusts the position of the lower end of the lifting screw against the test spring, thereby adjusting the test spring to produce different test pressures on the hammer drill positioning seat.

[0005] In the above-mentioned automated hammer drill testing equipment, a fixed rod is provided on the frame, and a clamping device is installed on the fixed rod. The clamping device includes a base, an upper cover, a handle, a lever assembly, a cone block, a mounting frame, a clamping claw, and a reset spring. The base is fixed between the two fixed rods through the base frame, and the mounting frame positions the installation and movement of the clamping claw and the cone block. The two clamping claws are hinged on the base, and one end of the two clamping claws is connected to a reset spring. One end of the two cone blocks is rotatably connected to the lever assembly, and the other end is between the clamping claw and the mounting frame. The handle is pressed down and rotated to push the cone block through the lever assembly, so that the clamping claw is against this end of the cone block and rotates inward, thereby opening the clamping claw. The handle is released and the cone block retracts, and the clamping claw is closed and clamped by the elastic force of the reset spring.

[0006] In the above-mentioned automated hammer drill testing equipment, the lever assembly includes a connecting rod, a lever, a push rod, and a rotating rod. The handle is rotatably connected to the base through the connecting rod, the lever is fixedly connected to the connecting rod, the push rod is rotatably connected to the lever and the rotating rod, respectively, and the two ends of the rotating rod are rotatably connected to the ends of the two cone blocks, respectively.

[0007] In the above-mentioned automated hammer drill testing equipment, the frame includes a bottom box and a mounting platform. The clamping device is located below the mounting platform. A drill bit positioning seat is provided in the bottom box. The linkage device and the motor are mounted on the mounting platform. The linkage device includes a box body, a drive disk, and a drive sleeve. Both ends of the drive sleeve are rotatably mounted in the box body through bearings. The drive disk is fixedly mounted on the drive sleeve and is connected to the drive shaft of the motor through a screw assembly. The lifting screw and the drive sleeve are matched for transmission connection, and the connecting rod slides through the lifting screw.

[0008] In the above-mentioned automated hammer drill testing equipment, an upper return spring sleeve is fixedly provided on the lifting screw, a lower return spring sleeve is provided on the connecting rod, the lower end of the connecting rod is fixedly connected to the hammer drill positioning seat, and the lower return spring sleeve rests on the hammer drill positioning seat.

[0009] In the above-mentioned automated hammer drill testing equipment, an observation device is provided on the box body, and the observation device includes an observation seat, a linkage rod, and an indicator. The observation seat is fixed on the box body, the connecting rod passes through the observation seat and is connected to the linkage rod, the indicator is fixed on the linkage rod, and a test index scale is provided on the observation seat.

[0010] In the above-mentioned automated hammer drill testing equipment, a handwheel is also provided on the box body, and the handwheel is transmission-connected to the screw rod assembly.

[0011] In the above-mentioned automated hammer drill testing equipment, an anti-rotation rod 1 is arranged between the mounting platform and the upper cover in the clamping device, and an anti-rotation rod 2 is arranged on the hammer drill positioning seat, and one end of the anti-rotation rod 2 is sleeved on the anti-rotation rod 1.

[0012] In the above-mentioned automated hammer drill testing device, a stopper is provided on the lifting screw rod, and the stopper can abut against the upper mounting platform as the lifting screw rod rotates.

[0013] The utility model has the following beneficial effects:

[0014] The utility model drives the lifting screw rod by a motor to make the lifting screw rod at different heights, thereby adjusting the test spring to make different test pressures on the hammer drill positioning seat and the hammer drill below. The utility model automatically adjusts the test of the hammer drill, is very convenient to use, and improves the test efficiency. At the same time, the designed clamping device is very convenient to take and put the hammer drill, which further facilitates use and improves the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the utility model from another direction;

[0017] Figure 3 It is a cross-sectional view of the utility model;

[0018] Figure 4 yes Figure 3 Yes, the enlarged picture of part A;

[0019] Figure 5 It is a structural diagram of the clamping device in the utility model. DETAILED DESCRIPTION

[0020] The utility model is further described in conjunction with the accompanying drawings.

[0021] See also Figures 1 to 5 The utility model provides an automated hammer drill testing device, which is characterized by comprising a frame 1, a motor 2, a linkage device 3, a lifting screw rod 4, a connecting rod 5, a hammer drill positioning seat 6, a clamping device 7, and a control handle 8; the frame 1 comprises a bottom box 24 and a mounting platform 25, the clamping device 7 is located below the mounting platform 25, a drill bit positioning seat 26 is provided in the bottom box 24, and the linkage device 3 and the motor 2 are mounted on the mounting platform 25.

[0022] The linkage device 3 includes a housing 27, a drive disc 28, and a drive sleeve 29. Both ends of the drive sleeve 29 are rotatably mounted in the housing 27 through bearings 30. The drive disc 28 is fixedly mounted on the drive sleeve 29 and is transmission-connected to the transmission shaft 32 of the motor 2 through a screw assembly 31. The lifting screw 4 and the drive sleeve 29 are transmission-connected in cooperation, thereby realizing the driving connection between the lifting screw 4 and the motor 2. The connecting rod 5 passes through the lifting screw 4 and the two can slide relative to each other. The lower end of the connecting rod 5 is fixedly connected to the hammer drill positioning seat 6.

[0023] A test spring 9 is arranged between the lifting screw rod 4 and the hammer drill positioning seat 6, an upper return spring sleeve 33 is fixedly provided on the lifting screw rod 4, a lower return spring sleeve 33-1 is sleeved on the connecting rod 5, the lower end of the connecting rod 5 is fixedly connected to the hammer drill positioning seat 6, and the lower return spring sleeve 33-1 is against the hammer drill positioning seat 6; the motor 2 drives the lifting screw rod 4 to move up and down through the linkage device 3, and adjusts the position of the lower end of the lifting screw rod 4 against the test spring 9, thereby adjusting the test spring 9 to generate different test pressures on the hammer drill positioning seat 6.

[0024] The frame 1 is provided with a fixing rod 10, and the clamping device 7 is installed on the fixing rod 10. The clamping device 7 includes a base 11, an upper cover 12, a handle 13, a lever assembly 14, a cone block 15, a mounting frame 16, a clamping claw 17, and a reset spring 18. The base 11 is fixed between the two fixing rods 10 through a bottom frame 19. The mounting frame 16 positions the installation and movement of the clamping claw 17 and the cone block 15. The installation of the clamping claw 17 and the cone block 15 forms a positioning connection with the mounting frame 16 through a cover plate 16-1. The two clamping claws 17 are hinged on the base 11. One end of the two clamping jaws 17 is connected to a return spring 18, one end of the two cone blocks 15 is rotationally connected to the lever assembly 14, and the other end is located between the clamping jaw 17 and the mounting frame 16; specifically, the lever assembly 14 includes a connecting rod 20, a lever 21, a push rod 22, and a rotating rod 23. The handle 13 is rotationally connected to the base 11 through the connecting rod 20, the lever 21 is fixedly connected to the connecting rod 20, the push rod 22 is rotationally connected to the lever 21 and the rotating rod 23, and the two ends of the rotating rod 23 are rotationally connected to the ends of the two cone blocks 15 respectively.

[0025] When testing, the handle 13 is pressed down and rotated, and the cone block 15 is pushed through the lever assembly 14, so that the claw 17 is pressed against this end of the cone block 15 and rotates inward, thereby opening the clamping jaws, and then the hammer drill is put in, and the drill rod of the hammer drill is correspondingly inserted into the drill bit positioning seat 26 in the box 24, and the gun body of the hammer drill is between the two clamping jaws, and then the handle 13 is released to make the cone block 15 retreat, and the clamping jaws 17 close and clamp the gun body through the elastic force of the reset spring 18; the motor 2 is started to work by the control handle 8, and the up and down buttons of the control handle 8 can respectively control the forward and reverse rotation of the motor 2, so that the motor drives the lifting screw rod 4 to move up and down through the linkage device 3. The height of the lower end of the lifting screw rod 4 is different, and the pressure on the test spring 9 is different, so that the test spring 9 is adjusted to produce different test pressures on the hammer drill positioning seat 6.

[0026] Furthermore, an observation device is provided on the box body 27, and the observation device includes an observation seat 34, a linkage rod 35, and an indicator 36. The observation seat 34 is fixed on the box body 27, the connecting rod 5 passes through the observation seat 34 and is connected to the linkage rod 35, the indicator 36 is fixed on the linkage rod 35, and a test index scale is provided on the observation seat 34; the connecting rod 5 and the indicator 36 are linked together, and the indicator 36 will correspond to the index scale on the observation seat 34, so that the size of the elastic force that the hammer drill is subjected to during the test can be clearly known, and it is also convenient for adjustment.

[0027] Furthermore, a hand wheel 37 is provided on the box body 27 , and the hand wheel 37 is in transmission connection with the screw assembly 31 , and the lifting screw 4 can be finely adjusted by the hand wheel 37 .

[0028] Furthermore, an anti-rotation rod 38 is provided between the mounting platform 25 and the upper cover 12 in the clamping device 7, and an anti-rotation rod 39 is provided on the hammer drill positioning seat 6. One end of the anti-rotation rod 39 is sleeved on the anti-rotation rod 38, thereby improving the stability of the test positioning connection.

[0029] Furthermore, a stopper 40 is provided on the lifting screw rod 4 . The stopper 40 can abut against the upper mounting platform 25 as the lifting screw rod 4 rotates, and the stopper 40 can position the movement of the lifting screw rod 4 .

[0030] The above is a detailed introduction to an automated hammer drill testing device provided by an embodiment of the present invention. Specific examples are used herein to illustrate the principle and implementation method of the present invention. The description of the above embodiments is only used to help understand the technical solution disclosed by the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation of the present invention.

Claims

1. An automated hammer drill testing device, characterized in that: The invention comprises a frame (1), a motor (2), a linkage device (3), a lifting screw rod (4), a connecting rod (5), a hammer drill positioning seat (6), a clamping device (7), and a control handle (8); the lifting screw rod (4) is drivingly connected to the motor (2); the connecting rod (5) passes through the lifting screw rod (4) and the two can slide relative to each other; the lower end of the connecting rod (5) is fixedly connected to the hammer drill positioning seat (6); a test spring (9) is arranged between the lifting screw rod (4) and the hammer drill positioning seat (6); the motor (2) drives the lifting screw rod (4) to move up and down through the linkage device (3) and adjusts the position of the lower end of the lifting screw rod (4) against the test spring (9), thereby adjusting the test spring (9) to generate different test pressures on the hammer drill positioning seat (6).

2. The automated hammer drill testing device according to claim 1, characterized in that: The frame (1) is provided with a fixing rod (10), and the clamping device (7) is mounted on the fixing rod (10). The clamping device (7) comprises a base (11), an upper cover (12), a handle (13), a lever assembly (14), a cone block (15), a mounting frame (16), a clamping claw (17), and a return spring (18). The base (11) is fixed between the two fixing rods (10) via a bottom frame (19). The mounting frame (16) positions the installation and movement of the clamping claw (17) and the cone block (15). The two clamping claws (17) are hinged to the base (19). 11), one end of the two clamping jaws (17) is connected to a return spring (18), one end of the two cone blocks (15) is rotatably connected to the lever assembly (14), and the other end is located between the clamping jaw (17) and the mounting frame (16), and the handle (13) is pressed down to rotate the cone block (15) through the lever assembly (14), so that the clamping jaw (17) is pressed against this end of the cone block (15) and rotates inward, thereby opening the clamping jaw, and the cone block (15) is retracted when the handle (13) is released, and the clamping jaw (17) is closed and clamped by the elastic force of the return spring (18).

3. The automated hammer drill testing device according to claim 2, characterized in that: The lever assembly (14) comprises a connecting rod (20), a lever (21), a push rod (22), and a rotating rod (23); the handle (13) is rotatably connected to the base (11) via the connecting rod (20); the lever (21) is fixedly connected to the connecting rod (20); the push rod (22) is rotatably connected to the lever (21) and the rotating rod (23); and two ends of the rotating rod (23) are rotatably connected to the ends of two cone blocks (15).

4. An automated hammer drill testing device according to claim 1 or 2, characterized in that: The frame (1) comprises a bottom box (24) and a mounting platform (25). The clamping device (7) is located below the mounting platform (25). A drill bit positioning seat (26) is provided in the bottom box (24). The linkage device (3) and the motor (2) are mounted on the mounting platform (25). The linkage device (3) comprises a box body (27), a drive disk (28), and a drive sleeve (29). Both ends of the drive sleeve (29) are rotatably mounted in the box body (27) through bearings (30). The drive disk (28) is fixedly mounted on the drive sleeve (29) and is transmission-connected to a drive shaft (32) of the motor (2) through a screw assembly (31). The lifting screw rod (4) is transmission-connected to the drive sleeve (29) in a coordinated manner. The connecting rod (5) slides through the lifting screw rod (4).

5. The automated hammer drill testing device according to claim 4, characterized in that: An upper return spring sleeve (33) is fixedly provided on the lifting screw rod (4), a lower return spring sleeve (33-1) is sleeved on the connecting rod (5), the lower end of the connecting rod (5) is fixedly connected to the hammer drill positioning seat (6), and the lower return spring sleeve (33-1) abuts against the hammer drill positioning seat (6).

6. The automated hammer drill testing device according to claim 4, characterized in that: The box body (27) is provided with an observation device, which comprises an observation seat (34), a linkage rod (35), and an indicator (36). The observation seat (34) is fixed on the box body (27), the linkage rod (5) passes through the observation seat (34) and is connected to the linkage rod (35), the indicator (36) is fixed on the linkage rod (35), and the observation seat (34) is provided with a test index scale.

7. The automated hammer drill testing device according to claim 4, characterized in that: The box body (27) is also provided with a hand wheel (37), and the hand wheel (37) is transmission-connected to the screw rod assembly (31).

8. The automated hammer drill testing device according to claim 4, characterized in that: An anti-rotation rod (38) is provided between the mounting platform (25) and the upper cover (12) in the clamping device (7), and an anti-rotation rod (39) is provided on the hammer drill positioning seat (6), and one end of the anti-rotation rod (39) is sleeved on the anti-rotation rod (38).

9. The automated hammer drill testing device according to claim 4, characterized in that: The lifting screw rod (4) is provided with a stopper (40), and the stopper (40) can abut against the upper mounting platform (25) as the lifting screw rod (4) rotates.

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