Clamping device for free-drop hammer impact test

Abstract

The utility model belongs to the technical field of impact tests, and particularly relates to a clamping device for a free-drop hammer impact test, which comprises a rack, a base, a test bed arranged in the middle of the top of the base, a portal frame arranged at the top of the base and an air cylinder arranged at the top of the portal frame, a clamping assembly, comprising a fixed sleeve arranged at the top in the portal frame, a movable groove formed in the fixed sleeve, a sliding base arranged in the movable groove and moving along the movable groove, a clamping plate arranged at the bottom of the sliding base, a guide groove formed in one side of the sliding base, a lifting block arranged at the bottom of an air cylinder and guide blocks arranged on the two sides of the lifting block and connected with the guide groove. The protection assembly comprises a curved frame arranged on one side of the lifting block, a protection cover arranged at the bottom of the curved frame and sliding sleeves arranged on the two sides of the protection cover, and the sliding sleeves are connected with the two sides of the portal frame; the device is reasonable in structure, high in safety in the using process, capable of preventing scraps from splashing to accidentally injure workers and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of impact testing, in particular to a clamping device for free-falling hammer impact testing. Background Art

[0002] At present, the heavy object impact test has been applied in many fields, such as the test process of simulating a projectile to break a fragile cover. In this test process, it is necessary to focus on detecting the impact force generated when the heavy object (simulated projectile) breaks the fragile cover. However, how to make the locking and releasing process of the heavy object more convenient, reliable and safe has become an urgent problem to be solved in the heavy object impact test.

[0003] The existing clamping device for free-falling hammer impact test has some shortcomings during use, such as low safety protection performance and waste chips easily splashing and injuring workers during the test. For this reason, we propose a new clamping device for free-falling hammer impact test. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the prior art, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a clamping device for a free-falling hammer impact test, which has high safety during use, can prevent waste chips from splashing and accidentally injuring workers, and has strong practicality.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A clamping device for a free-falling hammer impact test, comprising:

[0009] The frame comprises a base, a test bench arranged in the middle of the top of the base, a gantry arranged on the top of the base, and a cylinder arranged on the top of the gantry;

[0010] The clamping assembly includes a fixed sleeve arranged at the top of the gantry, a movable groove provided in the fixed sleeve, a slide seat arranged in the movable groove and moving along the movable groove, a clamping plate arranged at the bottom of the slide seat, a guide groove provided at one side of the slide seat, a lifting block arranged at the bottom of the cylinder, and guide blocks arranged at both sides of the lifting block and connected to the guide groove;

[0011] The protection component comprises a curved frame arranged on one side of the lifting block, a protection cover arranged at the bottom of the curved frame and sliding sleeves arranged on both sides of the protection cover, and the sliding sleeves are connected to both sides of the gantry.

[0012] As a preferred solution of the clamping device for free-falling hammer impact test described in the utility model, it further includes a safety component;

[0013] The safety assembly includes a connecting frame arranged on one side of the slide, a rack plate arranged at the bottom of the connecting frame, a support plate arranged on the front surface of the gantry, a rotating shaft arranged on the top of the support plate, a gear arranged on the surface of the rotating shaft and meshing with the rack plate, a crank arm arranged on the top of the rotating shaft and rotating synchronously with the rotating shaft, and a support plate arranged on the top of the crank arm.

[0014] As a preferred solution of the clamping device for free-falling hammer impact test described in the utility model, through holes are provided on both sides of the gantry.

[0015] As a preferred solution of the clamping device for free-fall hammer impact test described in the utility model, a slide groove is arranged inside the movable groove, and sliding blocks matching with the slide groove are arranged on both sides of the slide seat.

[0016] As a preferred solution of the clamping device for free-falling hammer impact test described in the utility model, the cross-sections of the guide groove and the guide block are arranged in a trapezoidal shape.

[0017] As a preferred solution of the clamping device for free-falling hammer impact test described in the utility model, the surface of the clamping plate is provided with an anti-skid pad, and the surface of the anti-skid pad is provided with anti-skid convex patterns.

[0018] As a preferred solution of the clamping device for free-falling hammer impact test described in the utility model, the protective cover is made of tempered glass.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The lifting cylinder drives the lifting block to move upward, and the lifting block drives the slide to move inward. During the inward movement of the slide, the clamping plate is driven to move inward to clamp the drop hammer;

[0021] 2. When the slide moves inward, it drives the connecting frame to move inward. During the movement of the connecting frame, the rack plate is driven to move. The rack plate drives the gear to rotate. The rotation of the gear drives the rotating shaft and the crank arm to rotate. The rotation of the crank arm drives the support plate to rotate. The support plate can support the drop hammer and play a role of insurance.

[0022] 3. When the cylinder moves downward, the splint can be opened and the drop hammer can be released. When the cylinder moves downward, the protective cover can be driven to move downward, which plays a protective role and has high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the frame structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the fixed sleeve of the utility model;

[0027] Figure 4 This is a schematic diagram of the slide structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the lifting block of the utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the insurance component of the utility model.

[0030] In the figure; 100 frame, 110 base, 120 gantry, 130 cylinder, 140 test bench, 200 clamping assembly, 210 fixed sleeve, 220 movable slot, 230 slide slot, 240 slide seat, 250 slider, 260 splint, 270 guide slot, 280 lifting block, 290 guide block, 300 protection assembly, 310 curved frame, 320 protection cover, 330 sliding sleeve, 400 insurance assembly, 410 connecting frame, 420 rack plate, 430 support plate, 440 rotating shaft, 450 gear, 460 crank arm, 470 support plate. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0033] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0034] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0035] The utility model provides the following technical solutions: a clamping device for a free-falling hammer impact test, which is highly safe during use, can prevent waste chips from splashing and accidentally injuring workers, and is highly practical;

[0036] Example 1

[0037] Figures 1 to 5 The figure shows a schematic structural diagram of an embodiment of a clamping device for a free-falling hammer impact test of the utility model, the main body of which includes a frame 100, a clamping assembly 200 and a protection assembly 300;

[0038] The frame 100 includes a base 110, a test bench 140 installed in the middle of the top of the base 110, a gantry 120 installed on the top of the base 110, and a cylinder 130 installed on the top of the gantry 120. Through holes are provided on both sides of the gantry 120. Further, the base 110 is used to carry the gantry 120 and the test bench 140, the test bench 140 is used to place the objects to be tested, the gantry 120 is used to carry the cylinder 130, and the cylinder 130 is used to drive the lifting block 280 to move up and down;

[0039] The clamping assembly 200 includes a fixed sleeve 210 installed at the top of the gantry 120, a movable groove 220 opened inside the fixed sleeve 210, a slide 240 installed inside the movable groove 220 and moving along the movable groove 220, a clamping plate 260 installed at the bottom of the slide 240, a guide groove 270 opened on one side of the slide 240, a lifting block 280 installed at the bottom of the cylinder 130, and guide blocks 290 arranged on both sides of the lifting block 280 and connected to the guide groove 270. The movable groove 220 is provided with a slide groove 230, and the slide 240 is provided with a guide groove 270 on both sides. A slider 250 is provided to match the slide groove 230. The cross-sections of the guide groove 270 and the guide block 290 are arranged in a trapezoidal shape. An anti-skid pad is bonded to the surface of the clamping plate 260, and the surface of the anti-skid pad is provided with anti-skid convex patterns. Furthermore, the fixed sleeve 210 is used to carry the movable groove 220, the movable groove 220 is used to carry the slide seat 240, and the slide seat 240 is used to drive the clamping plate 260 to move to achieve clamping. The slide groove 230 and the slider 250 are used to assist the slide seat 240 to slide. The lifting block 280, the guide groove 270 and the guide block 290 are used to drive the slide seat 240 to move.

[0040] The protective assembly 300 includes a curved frame 310 installed on one side of the lifting block 280, a protective cover 320 installed at the bottom of the curved frame 310, and sliding sleeves 330 installed on both sides of the protective cover 320, and the sliding sleeves 330 are connected to both sides of the gantry 120. The protective cover 320 is made of tempered glass. Furthermore, the curved frame 310 is used to drive the protective cover 320 to move up and down, the protective cover 320 is used to improve the protection performance, and the sliding sleeves 330 are used to assist the movement of the protective cover 320.

[0041] Example 2

[0042] Figures 1 to 6 The figure shows a schematic diagram of the structure of a second embodiment of a clamping device for a free-falling hammer impact test of the utility model, in which a safety component 400 is added to the main part on the basis of the embodiment 1, so as to further improve the safety;

[0043] The insurance component 400 includes a connecting frame 410 installed on one side of the slide 240, a rack plate 420 installed at the bottom of the connecting frame 410, a support plate 430 installed on the front surface of the gantry 120, a rotating shaft 440 installed at the top of the support plate 430, a gear 450 installed on the surface of the rotating shaft 440 and meshing with the rack plate 420, a crank arm 460 installed at the top of the rotating shaft 440 and rotating synchronously with the rotating shaft 440, and a support plate 470 installed at the top of the crank arm 460. Further, the connecting frame 410 is used to drive the rack plate 420 to move, the rack plate 420 is used to drive the gear 450 to rotate, the support plate 430 is used to carry the rotating shaft 440, the rotating shaft 440 is used to drive the crank arm 460 to rotate, the gear 450 is used to drive the rotating shaft 440 to rotate, the crank arm 460 is used to drive the support plate 470 to move, and the support plate 470 is used to support the falling hammer to play a safety role;

[0044] Combination Figure 1-Figure 6 , a clamping device for a free-falling hammer impact test in this embodiment has the following specific actions: the lifting cylinder 130 drives the lifting block 280 to move upward, the lifting block 280 drives the slide 240 to move inward, and the process of the slide 240 moving inward drives the clamping plate 260 to move inward to clamp the falling hammer; while the slide 240 moves inward, it drives the connecting frame 410 to move inward, and the process of the connecting frame 410 moving drives the rack plate 420 to move, and the rack plate 420 drives the gear 450 to rotate, and the rotation of the gear 450 drives the rotating shaft 440 and the crank arm 460 to rotate, and the rotation of the crank arm 460 drives the support plate 470 to rotate, and the support plate 470 can support the falling hammer to play a role of insurance; in addition, when the cylinder 130 moves downward, the clamping plate 260 can be opened to release the falling hammer, and when the cylinder 130 moves downward, the protective cover 320 can be driven to move downward to play a protective role, which has high safety.

[0045] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A clamping device for a free-falling hammer impact test, characterized in that: include: A frame (100) comprises a base (110), a test bench (140) arranged in the middle of the top of the base (110), a gantry (120) arranged on the top of the base (110), and a cylinder (130) arranged on the top of the gantry (120); The clamping assembly (200) comprises a fixed sleeve (210) arranged at the top of the gantry (120), a movable groove (220) provided inside the fixed sleeve (210), a slide seat (240) arranged inside the movable groove (220) and moving along the movable groove (220), a clamping plate (260) arranged at the bottom of the slide seat (240), a guide groove (270) provided at one side of the slide seat (240), a lifting block (280) arranged at the bottom of the cylinder (130), and guide blocks (290) provided at both sides of the lifting block (280) and connected to the guide groove (270); The protection assembly (300) comprises a curved frame (310) arranged on one side of the lifting block (280), a protection cover (320) arranged at the bottom of the curved frame (310), and sliding sleeves (330) arranged on both sides of the protection cover (320), wherein the sliding sleeves (330) are connected to both sides of the gantry (120).

2. A clamping device for free-falling hammer impact test according to claim 1, characterized in that: Also included is a safety assembly (400); The safety assembly (400) comprises a connecting frame (410) arranged on one side of the slide seat (240), a rack plate (420) arranged at the bottom of the connecting frame (410), a support plate (430) arranged on the front surface of the gantry (120), a rotating shaft (440) arranged on the top of the support plate (430), a gear (450) arranged on the surface of the rotating shaft (440) and meshing with the rack plate (420), a crank arm (460) arranged on the top of the rotating shaft (440) and rotating synchronously with the rotating shaft (440), and a support plate (470) arranged on the top of the crank arm (460).

3. A clamping device for free-falling hammer impact test according to claim 1, characterized in that: Through holes are provided on both sides of the gantry (120).

4. A clamping device for free-falling hammer impact test according to claim 1, characterized in that: A sliding groove (230) is arranged inside the movable groove (220), and sliding blocks (250) matching with the sliding groove (230) are arranged on both sides of the sliding seat (240).

5. The clamping device for free-falling hammer impact test according to claim 1, characterized in that: The cross sections of the guide groove (270) and the guide block (290) are arranged in a trapezoidal shape.

6. The clamping device for free-falling hammer impact test according to claim 1, characterized in that: The surface of the clamping plate (260) is provided with an anti-skid pad, and the surface of the anti-skid pad is provided with anti-skid convex patterns.

7. The clamping device for free-falling hammer impact test according to claim 1, characterized in that: The protective cover (320) is made of tempered glass.

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