Automatic drop hammer device of impact tester

Abstract

The utility model discloses an automatic drop hammer device of an impact tester, which comprises a device frame, a traction rope, an impact hammer body and a fixed cylinder, a support plate is arranged in the device frame, a first rotation driving mechanism is mounted at the top of the support plate, and a winding roller is connected to the driving end of the front side of the first rotation driving mechanism; the front side of the winding roller is connected with a supporting plate through a bearing seat. Through the arrangement and cooperative use of the first rotary driving mechanism, the winding roller, the traction rope, the guide wheel, the sliding rod and the sliding sleeve, the first rotary driving mechanism can be used for driving the winding roller to rotate to wind the traction rope, and the sliding rod is pulled to rotate to a proper height in cooperation with the guide of the guide wheel during winding; wherein the sliding sleeve slides along the sliding rod to assist in stably controlling the height position of the fixing cylinder, the fan-shaped ruler is arranged to clearly display the height and angle range of the fixing cylinder, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic drop hammer devices, in particular to an automatic drop hammer device for an impact tester. Background Technique

[0002] For the impact test of traditional wall lamps or the test of power adapters, relevant impact testers are needed. In the existing testers, the impact hammer needs to be lifted by hand to a certain appropriate height position and then dropped to implement the impact test process of the wall lamp. Manually controlling the position of the impact hammer will reduce the convenience of use of the device and increase the operation of the user. Secondly, if the angle of the impact hammer is controlled by hand, there will be a problem of insufficient accuracy, which is not conducive to use and urgently needs to be developed. Summary of the Invention

[0003] The purpose of the utility model is to provide an automatic drop hammer device for an impact tester to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: an automatic drop hammer device for an impact tester, including a device frame, a traction rope, an impact hammer body and a fixed cylinder. A support plate is arranged inside the device frame. A first rotary drive mechanism is installed on the top of the support plate. The drive end on the front side of the first rotary drive mechanism is connected with a roller. The front side of the roller is connected with a support plate through a bearing seat. The bottom of the support plate is connected with the top surface of the support plate. Two limiting rings are symmetrically sleeved on the roller. Both limiting rings are connected with the front and rear sides of the roller through elastic connectors. The limiting rings can move repeatedly along the outer surface of the roller through the resilience of the elastic connectors.

[0005] One side of the support plate is connected with a guide wheel, and the bottom of the support plate is connected with a hinge seat. The bottom of the support plate is hinged with a sliding rod through the hinge seat.

[0006] A sliding sleeve is slidably sleeved on the sliding rod. The sliding sleeve is connected with the guide wheel and the roller through a traction rope. The sliding of the sliding sleeve along the sliding rod can assist the lifting action of the traction rope, and cooperate with the hinge seat to realize adjustable angle and height, and regulate the impact force.

[0007] Preferably, an operation port is connected to the bottom of one side of the device frame, and two fixed casters are symmetrically connected to the bottom of the device frame. The operation port is used to place the wall lamp to be subjected to the impact test.

[0008] Preferably, a second rotary driving mechanism is installed on the top of the device frame. One side of the second rotary driving mechanism is connected with a transmission rod. The second rotary driving mechanism is connected with a driving gear through the transmission rod. One side of the driving gear is meshed with a driven gear. A screw rod is connected inside the driven gear. The screw rod extends into the device frame and is sleeved with a lifting cylinder. The bottom of the lifting cylinder is connected with one side of the top of the support plate.

[0009] Preferably, a limiting slider is connected to one side of the lifting cylinder. A limiting sliding groove matching the limiting slider is connected to the inner side surface of the device frame. The limiting slider can slide along the limiting sliding groove to limit and assist the lifting cylinder to move up and down along the screw rod stably and linearly.

[0010] Preferably, a sector scale is connected to the bottom of the support plate. The sector scale is located at the rear side of the hinge seat.

[0011] Preferably, a return spring is sleeved on the outer part of the sliding rod. The return spring is closely attached to the top of the sliding sleeve. The resilience of the return spring can assist the fixed cylinder to reset.

[0012] Preferably, a fixed cylinder is connected to the bottom of the sliding rod. A limiting movable block is arranged inside the fixed cylinder. One side of the limiting movable block is connected with the inner side of the fixed cylinder through a buffer elastic member.

[0013] Preferably, a connecting block is connected to the other side of the limiting movable block. One side of the connecting block extends outside the side part of the fixed cylinder and is connected with an impact hammer body.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] (1) For the automatic falling hammer device of this impact tester, through the setting and combined use of the first rotary driving mechanism, the roller, the traction rope, the guide wheel, the sliding rod and the sliding sleeve, the first rotary driving mechanism can be used to drive the roller to rotate and wind the traction rope. While winding, the guide wheel is used for guiding to pull the sliding rod to rotate to an appropriate height. The sliding sleeve slides along the sliding rod to assist in stably controlling the height position of the fixed cylinder. The setting of the sector scale can clearly display the height and angle range of the fixed cylinder, which is convenient for use. Through the setting and combined use of the elastic connecting member and the limiting ring, the traction rope in the winding state on the roller can be limited and guided, and the action stability of pulling the fixed cylinder through the traction rope can be improved, and the problems of shaking or deviation during the height and angle adjustment state of the fixed cylinder can be avoided;

[0016] (2) The automatic dropping hammer device of this impact tester stops the power of the first rotary drive mechanism when the fixed cylinder is adjusted and raised to a certain height. Then, the fixed cylinder drops downward under the influence of gravity to perform the impact test work. When the impact hammer body collides with the wall lamp, the impact hammer body drives the limit movable block to move upward in the fixed cylinder through the connecting block, compressing and buffering the buffer elastic member, which can effectively buffer and protect the structure of the impact hammer body, reduce the problem of damage caused by the long-term impact work of the impact hammer body, and improve the service life of its structure.

[0017] (3) The automatic dropping hammer device of this impact tester can drive the screw to rotate through the setting and cooperation of the driving gear, the second rotary drive mechanism, the transmission rod and the driven gear. The limit slider slides along the limit chute to limit and assist the lifting cylinder to move up and down linearly along the screw, which is used to adjust the height range of the support plate, so as to adjust the working height range of the fixed cylinder and improve the adjustability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front view structural schematic diagram of the present utility model;

[0019] Figure 2 of the present utility model Figure 1 is an enlarged structural schematic diagram at A in;

[0020] Figure 3 is a top view structural schematic diagram of the connection between the first rotary drive mechanism of the present utility model and the roller and the limit ring;

[0021] Figure 4 is a structural schematic diagram of the connection between the fixed cylinder and the impact hammer body of the present utility model.

[0022] In the figure: 1, device frame; 2, traction rope; 3, first rotary drive mechanism; 4, support plate; 5, lifting cylinder; 6, screw; 7, limit slider; 8, support plate; 9, sector scale; 10, hinge seat; 11, slide bar; 12, sliding sleeve; 13, impact hammer body; 14, fixed cylinder; 15, guide wheel; 16, operation port; 17, fixed caster; 18, driving gear; 19, second rotary drive mechanism; 20, transmission rod; 21, driven gear; 22, roller; 23, elastic connecting member; 24, limit ring; 25, bearing seat; 26, buffer elastic member; 27, limit movable block; 28, connecting block; 29, return spring; 30, limit chute. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , an embodiment provided by the present utility model: an automatic drop hammer device of an impact tester, including a device frame 1, a traction rope 2, an impact hammer body 13, and a fixed cylinder 14. A support plate 8 is arranged inside the device frame 1, and a first rotary drive mechanism 3 is installed on the top of the support plate 8. When the fixed cylinder 14 is adjusted to rise to a certain height, the power of the first rotary drive mechanism 3 is stopped, and then the fixed cylinder 14 falls downward under the influence of gravity to perform impact test work;

[0025] The driving end on the front side of the first rotary drive mechanism 3 is connected to a roller 22. The front side of the roller 22 is connected to a support plate 4 through a bearing seat 25. The bottom of the support plate 4 is connected to the top surface of the support plate 8. Two limiting rings 24 are symmetrically sleeved on the roller 22. Both of the two limiting rings 24 are connected to the front and rear sides of the roller 22 through elastic connectors 23. Through the setting and cooperative use of the elastic connectors 23 and the limiting rings 24, a limiting and guiding effect can be exerted on the traction rope 2 in the winding state on the roller 22, which can improve the movement stability of pulling the fixed cylinder 14 through the traction rope 2 and avoid the problems of shaking or deviation when the height and angle of the fixed cylinder 14 are adjusted;

[0026] One side of the support plate 8 is connected to a guide wheel 15, and the bottom of the support plate 8 is connected to a hinge seat 10. A sliding rod 11 is hinged to the bottom of the support plate 8 through the hinge seat 10. A sliding sleeve 12 is slidably sleeved on the sliding rod 11. The sliding sleeve 12 is connected to the guide wheel 15 and the roller 22 through the traction rope 2. Through the setting and cooperative use of the first rotary drive mechanism 3, the roller 22, the traction rope 2, the guide wheel 15, the sliding rod 11, and the sliding sleeve 12, the first rotary drive mechanism 3 can be used to drive the roller 22 to rotate to wind the traction rope 2, and at the same time, cooperate with the guiding of the guide wheel 15 to pull the sliding rod 11 to rotate to an appropriate height.

[0027] One side of the bottom of the device frame 1 is connected to an operation port 16, and two fixed casters 17 are symmetrically connected to the bottom of the device frame 1.

[0028] A second rotary drive mechanism 19 is installed at the top of the device rack 1. One side of the second rotary drive mechanism 19 is connected to a transmission rod 20. The second rotary drive mechanism 19 is connected to a driving gear 18 through the transmission rod 20. One side of the driving gear 18 is meshed and connected to a driven gear 21. The setting and cooperative use of the driving gear 18, the second rotary drive mechanism 19, the transmission rod 20 and the driven gear 21 can drive the screw rod 6 to rotate. Among them, the limit slider 7 slides along the limit chute 30 to limit and assist the lifting cylinder 5 to move linearly up and down along the screw rod 6, so as to adjust the height range of the support plate 8;

[0029] The inside of the driven gear 21 is connected to a screw rod 6. The screw rod 6 extends into the device rack 1 and is sleeved with a lifting cylinder 5. The bottom of the lifting cylinder 5 is connected to one side of the top of the support plate 8.

[0030] One side of the lifting cylinder 5 is connected to a limit slider 7. The inner side surface of the device rack 1 is connected with a limit chute 30 that matches the limit slider 7.

[0031] The bottom of the support plate 8 is connected to a sector scale 9. The sector scale 9 is located at the rear side of the hinge seat 10. The setting of the sector scale 9 can clearly display the height and angle range of the fixed cylinder 14, which is convenient for use.

[0032] A return spring 29 is sleeved outside the sliding rod 11. The return spring 29 is closely attached to the top of the sliding sleeve 12.

[0033] The bottom of the sliding rod 11 is connected to a fixed cylinder 14. A limit movable block 27 is arranged inside the fixed cylinder 14. One side of the limit movable block 27 is connected to the inner side of the fixed cylinder 14 through a buffer elastic member 26. When the impact hammer body 13 collides with the wall lamp, the impact hammer body 13 drives the limit movable block 27 to move upward in the fixed cylinder 14 through the connecting block 28, compressing the buffer elastic member 26 for buffering, which can effectively buffer and protect the structure of the impact hammer body 13 and reduce the problem of damage to the impact hammer body 13 caused by long-term impact work.

[0034] The other side of the limit movable block 27 is connected to a connecting block 28. One side of the connecting block 28 extends outside the side of the fixed cylinder 14 and is connected to an impact hammer body 13.

[0035] When the embodiment of the present application is in use: The arrangement and cooperative use of the first rotation driving mechanism 3, the winding roller 22, the traction rope 2, the guide wheel 15, the sliding rod 11 and the sliding sleeve 12 can drive the winding roller 22 to rotate by the first rotation driving mechanism 3 to wind the traction rope 2. While winding, the guide wheel 15 is used for guiding and pulling the sliding rod 11 to rotate to an appropriate height. When the fixed cylinder 14 is adjusted and raised to a certain height, the power of the first rotation driving mechanism 3 is stopped, and then the fixed cylinder 14 falls downward under the influence of gravity to perform the impact test work. The arrangement and cooperative use of the driving gear 18, the second rotation driving mechanism 19, the transmission rod 20 and the driven gear 21 can drive the screw rod 6 to rotate. The limit slider 7 slides along the limit sliding groove 30 to limit and assist the lifting cylinder 5 to move linearly up and down along the screw rod 6, so as to control the height range of the support plate 8, and realize the control of the working height range of the fixed cylinder 14.

Claims

1. An automatic drop hammer device for an impact tester, characterized in that: The invention comprises a device frame (1), a traction rope (2), an impact hammer body (13) and a fixing cylinder (14); a support plate (8) is arranged inside the device frame (1); a first rotary drive mechanism (3) is installed on the top of the support plate (8); a driving end on the front side of the first rotary drive mechanism (3) is connected to a winding roller (22); the front side of the winding roller (22) is connected to a support plate (4) via a bearing seat (25); the bottom of the support plate (4) is connected to the top surface of the support plate (8); a symmetrical sleeve is formed on the winding roller (22); Two limiting rings (24) are provided, and the two limiting rings (24) are connected to the front and rear sides of the winding roller (22) through elastic connecting parts (23); one side of the support plate (8) is connected to a guide wheel (15); the bottom of the support plate (8) is connected to a hinge seat (10); the bottom of the support plate (8) is hinged to a slide rod (11) through the hinge seat (10); a sliding sleeve (12) is provided on the sliding sleeve of the slide rod (11); the sliding sleeve (12) is connected to the guide wheel (15) and the winding roller (22) through a traction rope (2).

2. The automatic drop hammer device of the impact tester according to claim 1, characterized in that: An operating port (16) is connected to the bottom of one side of the device frame (1), and two fixed casters (17) are symmetrically connected to the bottom of the device frame (1).

3. The automatic drop weight device of the impact tester according to claim 2, characterized in that: A second rotary drive mechanism (19) is installed on the top of the device frame (1); a transmission rod (20) is connected to one side of the second rotary drive mechanism (19); the second rotary drive mechanism (19) is connected to a driving gear (18) via the transmission rod (20); one side of the driving gear (18) is meshedly connected to a driven gear (21); a screw rod (6) is connected inside the driven gear (21); the screw rod (6) extends into the interior of the device frame (1) and is sleeved with a lifting cylinder (5); the bottom of the lifting cylinder (5) is connected to one side of the top of the support plate (8).

4. The automatic drop weight device of the impact tester according to claim 3, characterized in that: One side of the lifting cylinder (5) is connected to a limiting slide block (7), and the inner side surface of the device frame (1) is connected to a limiting slide groove (30) matching the limiting slide block (7).

5. The automatic drop weight device of the impact tester according to claim 1, characterized in that: The bottom of the support plate (8) is connected to a sector-shaped scale (9), and the sector-shaped scale (9) is located at the rear side of the hinge seat (10).

6. The automatic drop weight device of the impact tester according to claim 1, characterized in that: The outer sleeve of the sliding rod (11) is provided with a return spring (29), and the return spring (29) is in close contact with the top of the sliding sleeve (12).

7. The automatic drop weight device of the impact tester according to claim 6, characterized in that: The bottom of the slide rod (11) is connected to a fixed cylinder (14), a limit movable block (27) is arranged inside the fixed cylinder (14), and one side of the limit movable block (27) is connected to the inner side of the fixed cylinder (14) via a buffer elastic member (26).

8. The automatic drop weight device of the impact tester according to claim 7, characterized in that: The other side of the limit movable block (27) is connected to a connection block (28), and one side of the connection block (28) extends to the outside of the side of the fixed cylinder (14) and is connected to an impact hammer body (13).

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