Shock resistance testing device for excavator accessories

Abstract

The invention provides an impact resistance testing device for excavator accessories, and relates to the technical field of testing devices.The number of side plates is two, and the two side plates are fixedly connected to the left side and the right side of the top end face of a supporting frame in a linear array; the problem that a heavy object used in the testing process needs to be manually lifted to a high position and then freely falls to collide with accessories for testing, but due to the fact that manual lifting efficiency is low, continuous and rapid testing operation on the accessories is not convenient to conduct, and then limitation exists is solved. Then, the electromagnetic ring is powered off, so that the impact ball can fall down under the action of gravity to carry out an impact test on an accessory positioned on the test block; and in the testing process, the impact ball can fall in the guide cylinder fixedly connected in the connecting frame in the falling process of the initial section of the impact ball, so that the stability of the impact ball in the falling process is improved, and the aim of being more practical is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of testing devices, and in particular to an impact resistance testing device for excavator accessories. Background Art

[0002] An excavator is an earth-moving machine that uses a bucket to dig materials and load them into transport vehicles or unload them to a stockpile. An excavator is composed of several accessories, many of which generally need to be tested for impact resistance in order to have better stability during use.

[0003] The existing testing device has the following defects when used: 1. When the test device is in use, it is necessary to manually lift the heavy object used in the test to a high place and then let it fall freely to hit the accessories for testing. However, since the manual lifting efficiency is relatively low, it is not convenient to perform continuous and rapid testing of the accessories, which has limitations.

[0004] In view of this, the existing structure and defects are studied and improved, and an impact resistance performance testing device for excavator accessories is provided, in order to achieve a more practical purpose. Summary of the invention

[0005] The present invention provides an impact resistance testing device for excavator accessories, which solves the problem that the heavy objects used in the test need to be manually lifted to a high place and then freely fall to hit the accessories for testing. However, since the manual lifting efficiency is relatively low, it is inconvenient to carry out continuous and rapid testing of the accessories, which thus has limitations.

[0006] The present invention provides an impact resistance performance testing device for excavator accessories, which specifically includes: a base and an airbag, wherein the main body of the base is a rectangular structure, and the top end of the base is fixedly connected to a bracket, the base and the bracket together constitute a bearing structure, a transverse groove is provided inside the bracket, the top end of the base is fixedly connected to a bracket, the airbag is inflated and deflated by a pump, the top end of the bracket is fixedly connected to a support frame, the top end surface of a transverse member in the support frame is fixedly connected to a side plate, two side plates are provided, and the two side plates are fixedly connected to the left and right sides of the top end surface of the support frame in a linear array, a motor B is installed on the outer side of the side plate, a roller is installed on the output shaft of the motor B, the motor B is used to drive the roller to rotate, and a traction rope is wound around the outer side of the roller.

[0007] Furthermore, the test block is used to simulate different materials, the front end of the bearing seat is fixedly connected with a rack, the front end of the bracket is fixedly connected with a mounting seat, and the bottom end of the mounting seat is installed with a motor A.

[0008] Furthermore, the bottom end of the traction rope is fixedly connected with an impact ball, and the bottom end of the transverse member in the support frame is fixedly connected with a connecting frame. There are two connecting frames in total, and the two connecting frames are fixedly connected to the left and right sides of the bottom end surface of the support frame in opposite directions. The inner sides of the two connecting frames are fixedly connected with guide cylinders, and the guide cylinders are used to guide the impact ball. The bottom end of the support frame is plugged with a guide rod, and the bottom end of the guide rod is fixedly connected with a spring seat, and the bottom end of the spring seat is fixedly connected with an electromagnetic ring, and the electromagnetic ring matches the impact ball.

[0009] Furthermore, the base and the bracket together form a supporting structure, an electric push rod A is installed on the top surface of the base, a tray is installed on the top of the electric push rod A, and the electric push rod A and the tray together form a lifting structure.

[0010] Furthermore, a moving seat is slidably connected inside the transverse groove opened in the bracket, the moving seat is connected to the electric push rod B, a notch is opened at the front end of the moving seat, and a pump is fixedly connected to the top of the moving seat, and air bags are installed opposite to each other inside the moving seat, and by cutting off the power to the electromagnetic ring, the impact ball can fall downward under the action of gravity and perform an impact test on the accessories located on the test block, and during the test process, the impact ball can be dropped in the guide tube fixedly connected to the connecting frame during the initial falling process to increase the stability of the impact ball when it falls, thereby achieving a more practical purpose.

[0011] Furthermore, a gear is installed on the top output shaft of the motor A, and the motor A and the gear together constitute a driving structure, and the gear and the rack are meshed for transmission, and an electric push rod B is installed inside the transverse groove opened in the bracket.

[0012] Furthermore, the bearing seat is slidably connected in the bracket through a slider, and grooves are opened in a linear array on the top surface of the bearing seat, and test blocks are installed in a linear array inside the grooves. The test blocks and the bearing seat are connected by springs. The moving seat is pushed to the right by starting the electric push rod B installed in the bracket until the accessories restricted in the moving seat are moved above the test block. At this time, the pump is powered off so that the accessories in the moving seat can be placed on the test block for assembly. The subsequent test efficiency can be improved by automating the assembly of accessories.

[0013] Furthermore, a top column is fixedly connected to the top of the tray, a transverse groove is provided at the top of the bracket, a bearing seat is slidably connected inside the transverse groove, and sliders are fixedly connected to the front and rear sides of the bearing seat.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. When it is necessary to perform impact testing on excavator accessories, the motor A installed at the bottom of the mounting seat can be started to drive the gear to rotate according to the specifications of the test block required to be raised by the current accessories, and the gear and the rack fixedly connected to the front end of the bearing seat are synchronously driven to drive the bearing seat to move along the transverse groove opened in the bracket using a slider fixedly connected to its outside until a test block of appropriate specifications moves to the top of the top column and is placed. At this time, the electric push rod A installed on the top of the base is started to push the tray and the top column upward until the test block of appropriate specifications is ejected from the inside of the bearing seat through the top column. This design can automatically replace and select test blocks of different specifications to achieve the purpose of improving test efficiency.

[0015] 2. When it is necessary to assemble the excavator accessories, the excavator accessories can be placed in the grooves opened in the moving seat, and the pump installed on the top of the moving seat can be started simultaneously to inflate the inside of the airbag installed in the moving seat, and the inflation of the airbag can be used to realize the automatic limit clamping of the accessories placed therein. At this time, the electric push rod B installed in the bracket can be started to push the moving seat to the right until the accessories limited in the moving seat are moved to the top of the test block. At this time, the pump can be powered off to place the accessories in the moving seat on the test block for assembly. The subsequent test efficiency can be improved by automating the assembly of accessories.

[0016] 3. When it is necessary to conduct an impact test on the accessories, the motor B installed on the outside of the side panel can be started to drive the roller to rotate, and the roller can be used to reel in the traction rope to lift the impact ball upward, and then the electromagnetic ring arranged at the bottom of the spring seat is energized to generate magnetism to adsorb and limit the impact ball, and the traction rope is released synchronously by starting the motor B, and then the electromagnetic ring is powered off, so that the impact ball can fall downward under the action of gravity and perform an impact test on the accessories located on the test block, and during the test process, the impact ball can be dropped in the guide cylinder fixedly connected to the connecting frame during the initial drop process to increase the stability of the impact ball when it falls, thereby achieving a more practical purpose. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] In the attached picture: Figure 1 It shows a schematic diagram of the front and side structure of a testing device according to an embodiment of the present invention in a partially disassembled state; Figure 2A schematic diagram of a top and side view of a test device according to an embodiment of the present invention in a partially disassembled state is shown; Figure 3 A front side structural schematic diagram of a testing device according to an embodiment of the present invention is shown; Figure 4 A schematic diagram showing the bracket to rack display structure of a testing device according to an embodiment of the present invention is shown; Figure 5 A front structural schematic diagram of a testing device according to an embodiment of the present invention is shown; Figure 6 A schematic diagram showing the base to guide cylinder display structure of a test device according to an embodiment of the present invention is shown; Figure 7 The test device according to the embodiment of the present invention is shown. Figure 2 The enlarged structural diagram at A in the middle; Figure 8 The test device according to the embodiment of the present invention is shown. Figure 2 Enlarged structural diagram at B in the middle.

[0019] Reference numerals list 1. Base; 2. Bracket; 3. Bracket; 4. Electric push rod A; 5. Tray; 6. Top column; 7. Bearing seat; 8. Slider; 9. Test block; 10. Rack; 11. Mounting seat; 12. Motor A; 13. Gear; 14. Electric push rod B; 15. Moving seat; 16. Pump; 17. Airbag; 18. Support frame; 19. Side plate; 20. Motor B; 21. Roller; 22. Traction rope; 23. Impact ball; 24. Connecting frame; 25. Guide cylinder; 26. Guide rod; 27. Spring seat; 28. Electromagnetic ring. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0021] Example: As shown in the attached Figure 1 To Attachment Figure 8 As shown: The present invention provides an impact resistance testing device for excavator accessories, comprising: a base 1 and an airbag 17, the main body of the base 1 is a rectangular structure, and the top of the base 1 is fixedly connected to a bracket 2, the base 1 and the bracket 2 together form a bearing structure, the inside of the bracket 2 is provided with a transverse groove, the top of the base 1 is fixedly connected to a bracket 3, the airbag 17 is inflated and deflated by a pump 16, the top of the bracket 2 is fixedly connected to a support frame 18, the top surface of the transverse member in the support frame 18 is fixedly connected to a side plate 19, the side plate 19 is provided at two locations, and the two side plates 19 are fixedly connected to the left and right sides of the top surface of the support frame 18 in a linear array, and a motor B20 is installed on the outer side of the side plate 19, and the motor B20 A roller 21 is installed on the output shaft, and the motor B20 is used to drive the roller 21 to rotate. A traction rope 22 is wound around the outside of the roller 21, and an impact ball 23 is fixedly connected to the bottom end of the traction rope 22. A connecting frame 24 is fixedly connected to the bottom end of the transverse member in the support frame 18. There are two connecting frames 24 in total, and the two connecting frames 24 are fixedly connected to the left and right sides of the bottom end surface of the support frame 18 in opposite directions. A guide cylinder 25 is fixedly connected to the inner side of the two connecting frames 24. The guide cylinder 25 is used to guide the impact ball 23. A guide rod 26 is inserted at the bottom end of the support frame 18, and a spring seat 27 is fixedly connected to the bottom end of the guide rod 26. An electromagnetic ring 28 is fixedly connected to the bottom end of the spring seat 27, and the electromagnetic ring 28 matches the impact ball 23.

[0022] The base 1 and the bracket 3 together form a supporting structure, an electric push rod A4 is installed on the top surface of the base 1, a tray 5 is installed on the top of the electric push rod A4, and the electric push rod A4 and the tray 5 together form a lifting structure, the top of the tray 5 is fixedly connected with a top column 6, and a transverse groove is opened on the top of the bracket 3, and a bearing seat 7 is slidably connected inside the transverse groove, and the front and rear sides of the bearing seat 7 are fixedly connected with a slider 8. When the accessories need to be subjected to an impact test, the motor B20 installed on the outside of the side plate 19 can be started to drive the roller 21 to rotate, and the roller 21 can be used to reel in the traction rope 22 to move the accessories. The impact ball 23 is lifted upward, and then the electromagnetic ring 28 arranged at the bottom of the spring seat 27 is energized to generate magnetism to adsorb and limit the impact ball 23, and the traction rope 22 is released synchronously by starting the motor B20, and then the electromagnetic ring 28 is powered off, so that the impact ball 23 can fall downward under the action of gravity and perform an impact test on the accessories located on the test block 9. During the test, the impact ball 23 can be dropped in the guide cylinder 25 fixedly connected to the connecting frame 24 during the initial falling process to increase the stability of the impact ball 23 when falling, thereby achieving a more practical purpose.

[0023] Among them, the bearing seat 7 is slidably connected in the bracket 3 through a slider 8, and a groove is opened in a linear array on the top surface of the bearing seat 7, and a test block 9 is installed in a linear array inside the groove. The test block 9 is connected to the bearing seat 7 through a spring. The test block 9 is used to simulate different materials. The front end of the bearing seat 7 is fixedly connected with a rack 10, and the front end of the bracket 3 is fixedly connected with a mounting seat 11. The bottom end of the mounting seat 11 is installed with a motor A12. When it is necessary to perform an impact test on the excavator accessories, the motor A12 installed at the bottom of the mounting seat 11 can be started to drive the gear 13 to rotate according to the different specifications of the test block 9 required to be padded by the current accessories. The bearing seat 7 is synchronously driven by the meshing transmission of the gear 13 and the rack 10 fixedly connected to the front end of the bearing seat 7 to move along the transverse groove opened in the bracket 3 using the slider 8 fixedly connected to its outer side until the test block 9 of appropriate specifications moves to the top of the top column 6 and is placed. At this time, the electric push rod A4 installed on the top of the base 1 is started to push the tray 5 and the top column 6 upward until the test block 9 of appropriate specifications is ejected from the inside of the bearing seat 7 through the top column 6. This design can achieve the purpose of improving the test efficiency by automatically replacing and selecting test blocks 9 of different specifications.

[0024] Among them, a gear 13 is installed on the top output shaft of the motor A12, and the motor A12 and the gear 13 together constitute a driving structure, and the gear 13 is meshed with the rack 10 for transmission, and an electric push rod B14 is installed inside the transverse groove opened in the bracket 2, and a moving seat 15 is slidably connected inside the transverse groove opened in the bracket 2, and the moving seat 15 is connected to the electric push rod B14, and a notch is opened at the front end of the moving seat 15, and a pump 16 is fixedly connected to the top of the moving seat 15, and air bags 17 are installed oppositely inside the moving seat 15. When it is necessary to assemble the excavator accessories, the excavator accessories can be placed in the groove opened in the moving seat 15. The pump 16 installed on the top of the moving seat 15 is synchronously started to inflate the inside of the airbag 17 installed in the moving seat 15, and the inflation of the airbag 17 is used to realize the automatic limit clamping of the accessories placed therein. At this time, the electric push rod B14 installed in the bracket 2 is started to push the moving seat 15 to the right until the accessories limited in the moving seat 15 are moved to the top of the test block 9. At this time, the pump 16 is powered off so that the accessories in the moving seat 15 can be placed on the test block 9 for assembly. The subsequent test efficiency can be improved by automating the assembly of accessories.

[0025] When in use: When the excavator accessories need to be impact tested, the base 1 can be placed until it is suitable, and the impact ball 23 of suitable specifications can be assembled under the traction rope 22 to limit the position; When it is necessary to perform an impact test on the excavator accessories, the motor A12 installed at the bottom of the mounting seat 11 can be started to drive the gear 13 to rotate according to the different specifications of the test block 9 that the current accessories need to raise, and the gear 13 is synchronously driven by the meshing transmission of the rack 10 fixedly connected to the front end of the bearing seat 7 to drive the bearing seat 7 to move along the transverse groove opened in the bracket 3 using the slider 8 fixedly connected to the outside thereof, until the test block 9 of the appropriate specifications moves to the top of the top column 6 for placement, and then the electric push rod A4 installed at the top of the base 1 is started to push the tray 5 and the top column 6 upward until the test block 9 of the appropriate specifications is ejected from the inside of the bearing seat 7 through the top column 6. This design can achieve the purpose of improving the test efficiency by automatically replacing and selecting test blocks 9 of different specifications; When it is necessary to assemble the excavator accessories, the excavator accessories can be placed in the grooves provided in the moving seat 15, and the pump 16 installed on the top of the moving seat 15 can be simultaneously started to inflate the inside of the airbag 17 installed in the moving seat 15, and the inflation of the airbag 17 can be used to realize the automatic limit clamping of the accessories placed therein, and then the electric push rod B14 installed in the bracket 2 can be started to push the moving seat 15 to the right until the accessories limited in the moving seat 15 are moved to the top of the test block 9, and then the pump 16 can be powered off to place the accessories in the moving seat 15 on the test block 9 for assembly, and the subsequent test efficiency can be improved by automating the assembly of accessories; and when it is necessary to assemble the accessories When the parts are subjected to impact resistance test, the motor B20 installed on the outside of the side plate 19 can be started to drive the roller 21 to rotate, and the roller 21 can be used to reel in the traction rope 22 to lift the impact ball 23 upward, and then the electromagnetic ring 28 arranged at the bottom of the spring seat 27 is energized to generate magnetism to adsorb and limit the impact ball 23, and the traction rope 22 is released synchronously by starting the motor B20, and then the electromagnetic ring 28 is powered off, so that the impact ball 23 can fall downward under the action of gravity and perform impact test with the parts on the test block 9, and during the test process, the impact ball 23 can be dropped in the guide cylinder 25 fixedly connected to the connecting frame 24 during the initial falling process to increase the stability of the impact ball 23 when falling, thereby achieving a more practical purpose.

Claims

1. An impact resistance testing device for excavator accessories, characterized in that: The invention comprises a base (1) and an airbag (17). The main body of the base (1) is a rectangular structure, and the top of the base (1) is fixedly connected to a bracket (2). The base (1) and the bracket (2) together form a bearing structure. The bracket (2) is provided with a transverse groove inside. The top of the base (1) is fixedly connected to a bracket (3). The airbag (17) is inflated and deflated by a pump (16). The top of the bracket (2) is fixedly connected to a support frame (18). The top surface of a transverse member in the support frame (18) is fixedly connected to a side plate (19). The side plates (19) are provided at two locations, and the two side plates (19) are fixedly connected to the left and right sides of the top surface of the support frame (18) in a linear array. A motor B (20) is installed on the outside of the side plate (19). A roller (21) is installed on the output shaft of the motor B (20). The motor B (20) is used to drive the roller (21) to rotate. A traction rope (22) is wound around the outside of the roller (21).

2. The impact resistance testing device for excavator accessories according to claim 1, characterized in that: The base (1) and the bracket (3) together form a supporting structure; an electric push rod A (4) is mounted on the top surface of the base (1); a tray (5) is mounted on the top of the electric push rod A (4); and the electric push rod A (4) and the tray (5) together form a lifting structure.

3. The impact resistance testing device for excavator accessories according to claim 2, characterized in that: The top of the tray (5) is fixedly connected to a top column (6), the top of the bracket (3) is provided with a transverse groove, the interior of the transverse groove is slidably connected to a bearing seat (7), and the front and rear side surfaces of the bearing seat (7) are fixedly connected to sliders (8).

4. The impact resistance testing device for excavator accessories according to claim 3, characterized in that: The bearing seat (7) is slidably connected in the bracket (3) via a slider (8), and grooves are provided in a linear array on the top surface of the bearing seat (7), and test blocks (9) are installed in a linear array inside the grooves, and the test blocks (9) are connected to the bearing seat (7) via a spring.

5. The impact resistance testing device for excavator accessories according to claim 4, characterized in that: The test block (9) is used to simulate different materials. The front end of the bearing seat (7) is fixedly connected to a rack (10), the front end of the bracket (3) is fixedly connected to a mounting seat (11), and the bottom end of the mounting seat (11) is mounted with a motor A (12).

6. The impact resistance testing device for excavator accessories according to claim 5, characterized in that: A gear (13) is mounted on the top output shaft of the motor A (12); the motor A (12) and the gear (13) together form a driving structure, and the gear (13) is meshed with the rack (10) for transmission; an electric push rod B (14) is mounted inside the transverse groove provided in the bracket (2).

7. The impact resistance testing device for excavator accessories according to claim 1, characterized in that: A movable seat (15) is slidably connected inside the transverse groove formed in the bracket (2), the movable seat (15) is connected to the electric push rod B (14), a notch is formed at the front end of the movable seat (15), a pump (16) is fixedly connected to the top end of the movable seat (15), and air bags (17) are installed in opposite directions inside the movable seat (15).

8. The impact resistance testing device for excavator accessories according to claim 1, characterized in that: The bottom end of the traction rope (22) is fixedly connected to an impact ball (23), and the bottom end of the transverse member in the support frame (18) is fixedly connected to a connecting frame (24). The connecting frames (24) are provided at two locations, and the two connecting frames (24) are fixedly connected to the left and right sides of the bottom end surface of the support frame (18) in opposite directions. The inner sides of the two connecting frames (24) are fixedly connected to guide cylinders (25), and the guide cylinders (25) are used to guide the impact ball (23). The bottom end of the support frame (18) is plugged with a guide rod (26), and the bottom end of the guide rod (26) is fixedly connected to a spring seat (27). The bottom end of the spring seat (27) is fixedly connected to an electromagnetic ring (28), and the electromagnetic ring (28) matches the impact ball (23).

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