CN218601037U - Resistance to compression detection device of helmet for building engineering - Google Patents

Abstract

The utility model discloses a resistance to compression detection device of helmet for building engineering relates to helmet detection area, including the testboard, install the eccentric wheel above the testboard top, the bottom of testboard inner chamber is installed the mobile device, the top of mobile device is installed clamping device, clamping device includes two splint, and one side fixed mounting of two splint has a splint arm, and the top fixed mounting of two splint arms has a bearing, and fixed mounting has the balancing pole between two bearings; this resistance to compression detection device of helmet for building engineering provides power through motor two, drives the threaded rod and rotates, and the threaded rod rotates promotion slider forward motion, and the slider moves forward and drives the carriage release lever motion, and carriage release lever motion extrusion bearing, bearing extrusion balancing pole forward movement, the balancing pole moves forward and drives the splint arm and rotate, and the splint arm rotates and drives the shrink splint to the completion keeps the centre gripping stress even to the test helmet's centre gripping.

Description

Resistance to compression detection device of helmet for building engineering

Technical Field

The utility model relates to a helmet detects technical field, concretely relates to resistance to compression detection device of helmet for building engineering.

Background

Helmets are protective gear used to protect the head. The cap is carried by workers in a construction site to protect the heads of the workers, and is an indispensable tool for people to transport. It is mainly composed of three portions of external shell, lining and suspension device. The shell is made of special steel, glass fiber reinforced plastic, leather, nylon and other materials respectively to resist the damage of bullets, shrapnel and other striking objects to the head. The helmet can prevent the head from being injured, and the quality of the helmet is a great test for the protection function of people, so the quality detection of the helmet cannot be ignored.

The existing helmet for construction engineering needs to be subjected to compression resistance detection after preparation is completed, most helmet compression resistance detection devices are used for positioning and fixing the helmet, the time for operating the positioning and fixing device is long, the detection efficiency is reduced, and meanwhile, the detection device can only detect one position of the helmet during detection, so that the detection data deviation is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a resistance to compression detection device of helmet for building engineering to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the anti-compression detection device of the helmet for the construction engineering comprises a test board, wherein an eccentric wheel is arranged above the top of the test board, a moving device is arranged at the bottom of an inner cavity of the test board, and a clamping device is arranged above the moving device;

clamping device includes two splint, two one side fixed mounting of splint has splint arm, two the top fixed mounting of splint arm has the bearing, two fixed mounting has the balancing pole between the bearing, the middle part of balancing pole is rotated and is connected with the threaded rod, the slider is installed to the screw thread on the threaded rod, two the equal fixed mounting in one side of splint arm has the carriage release lever, the top and the bottom of slider all rotate with one side that two carriage release levers are relative and are connected.

Preferably, the moving device comprises a bearing sliding plate which is slidably mounted at the bottom of the inner cavity of the test bench, and springs are fixedly mounted on the front side and the rear side of the bearing sliding plate respectively.

Preferably, one end of the second spring is fixedly connected with the inner wall of the test board, a push rod is fixedly mounted on the front side of the bearing sliding plate, and one end of the push rod penetrates through the test board and is in sliding connection with the inner wall of the test board.

Preferably, a first motor is fixedly mounted at the top of the test bench through a support, and one end of an output shaft of the first motor is fixedly connected with one side of the eccentric wheel.

Preferably, a striking rod is slidably mounted on the eccentric wheel, a first spring is fixedly mounted at the bottom of the striking rod, and a pressing block is fixedly mounted at the bottom end of the first spring.

Preferably, a second motor is fixedly mounted at the top of the bearing sliding plate, and one end of the threaded rod output shaft is fixedly connected with the output end of the second motor.

Compared with the prior art, the compression resistance detection device of the helmet for the construction engineering, provided by the invention, has the advantages that the power is provided by the motor II, the threaded rod is driven to rotate, the threaded rod rotates to push the sliding block to move forwards, the sliding block moves forwards to drive the movable rod to move, the movable rod moves to extrude the bearing, the bearing extrudes the balance rod to move forwards, the balance rod moves forwards to drive the clamping plate arm to rotate, and the clamping plate arm rotates to drive the contraction clamping plate, so that the test helmet is clamped, the clamping stress is kept uniform, the rapid and convenient clamping is realized, the operation time for clamping, positioning and fixing is shortened, and the equipment detection efficiency is improved.

This resistance to compression detection device of helmet for building engineering rotates through two rotations of motor drive bearing two, and two rotations of bearing drive the draw-in groove and rotate, draw-in groove and the solid joint of fixture block, and the fixture block drives bearing one and rotates, and bearing one rotates and drives the backup pad and remove, realizes that the helmet can carry out the position change to whole helmet when fixed, and guarantee detection device can detect each position of helmet, improves the precision and the comprehensive of detection data.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a clamping device provided in an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure provided by the embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure view of a steering device according to an embodiment of the present invention.

Description of reference numerals:

1. a test bench; 2. an eccentric wheel; 3. a striking rod; 31. a first spring; 4. a clamping device; 41. a splint; 42. a clamp arm; 43. a bearing; 44. a balancing pole; 45. a slider; 46. a travel bar; 47. a threaded rod; 5. a first motor; 6. a mobile device; 61. carrying the sliding plate; 62. a second spring; 63. a second motor; 64. a push rod.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-3, a compression resistance detection device for a helmet for construction engineering comprises a test bench 1, wherein an eccentric wheel 2 is arranged above the top of the test bench 1, a moving device 6 is arranged at the bottom of an inner cavity of the test bench 1, and a clamping device 4 is arranged above the moving device 6;

the clamping device 4 comprises two clamping plates 41, clamping plate arms 42 are fixedly mounted on one sides of the two clamping plates 41, bearings 43 are fixedly mounted on the tops of the two clamping plate arms 42, a balance rod 44 is fixedly mounted between the two bearings 43, a threaded rod 47 is rotatably connected to the middle of the balance rod 44, a slider 45 is mounted on the threaded rod 47 in a threaded manner, a moving rod 46 is fixedly mounted on one side of each of the two clamping plate arms 42, the top and the bottom of the slider 45 are rotatably connected with one side of each of the two moving rods 46, a helmet to be tested is placed in the test bench 1 by a tester, the threaded rod 47 is driven by a second motor 63 to push the slider 45 to move forwards and drive the moving rods 46 to move, the moving rods 46 squeeze the bearings 43, the balance rod 44 is squeezed by the bearings 43 to move forwards, the balance rod 44 moves forwards to drive the clamping plate arms 42 to rotate, and the clamping plate arms 42 rotate to drive the contraction clamping plates 41 to complete clamping of the test helmet;

the moving device 6 comprises a bearing sliding plate 61 which is slidably arranged at the bottom of the inner cavity of the test bench 1, and two springs 62 are fixedly arranged on the front side and the rear side of the bearing sliding plate 61;

one end of the second spring 62 is fixedly connected with the inner wall of the test board 1, a push rod 64 is fixedly installed on the front side of the bearing sliding plate 61, and one end of the push rod 64 penetrates through the test board 1 and is in sliding connection with the inner wall of the test board 1;

a first motor 5 is fixedly mounted at the top of the test bench 1 through a support, and one end of an output shaft of the first motor 5 is fixedly connected with one side of the eccentric wheel 2;

the eccentric wheel 2 is provided with a striking rod 3 in a sliding mode, the bottom of the striking rod 3 is fixedly provided with a first spring 31, the bottom end of the first spring 31 is fixedly provided with a pressing block, a first motor 5 drives the eccentric wheel 2 to rotate to drive the striking rod 3 to rotate, the striking rod 3 drives the pressing block to descend in a matching mode with the first spring 31, the helmet is pressed at intervals, the anti-compression test of the helmet is completed, and the first motor 5 is electrically connected with an external power supply;

the second motor 63 is fixedly mounted at the top of the bearing sliding plate 61, the second motor 63 is electrically connected with an external power supply, and one end of an output shaft of the threaded rod 47 is fixedly connected with the output end of the second motor 63.

The working principle is as follows: when the test device is used, a tester places a helmet to be tested on the clamping plate 41, the starting motor II 63 drives the threaded rod 47 to rotate, the threaded rod 47 rotates to push the sliding block 45 to move forwards, the sliding block 45 moves forwards to drive the moving rod 46 to move, the moving rod 46 moves to extrude the bearing 43, the bearing 43 extrudes the balance rod 44 to move forwards, the balance rod 44 moves forwards to drive the clamping plate arm 42 to rotate, and the clamping plate arm 42 rotates to drive the retractable clamping plate 41 to complete clamping of the test helmet;

a tester starts the first motor 5, the first motor 5 provides power to drive the eccentric wheel 2 to rotate, the eccentric wheel 2 drives the rotatably connected striking rod 3 to rotate, the striking rod 3 is matched with the first spring 31 to drive the pressing block to descend, and the helmet is pressed at intervals to complete the compression resistance test of the helmet;

the tester pushes the push rod 64, the push rod 64 extrudes the second spring 62, and the second spring 62 drives the receiving sliding plate 61 to move, so that the movement of the helmet to be tested is completed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. The utility model provides a resistance to compression detection device of helmet for building engineering, includes testboard (1), its characterized in that: an eccentric wheel (2) is installed above the top of the test bench (1), a moving device (6) is installed at the bottom of an inner cavity of the test bench (1), and a clamping device (4) is installed above the moving device (6);

clamping device (4) include two splint (41), two one side fixed mounting of splint (41) has splint arm (42), two the top fixed mounting of splint arm (42) has bearing (43), two fixed mounting has balancing pole (44) between bearing (43), the middle part of balancing pole (44) is rotated and is connected with threaded rod (47), threaded rod (47) are gone up the screw thread and are installed slider (45), two the equal fixed mounting in one side of splint arm (42) has carriage release lever (46), the top and the bottom of slider (45) all rotate with one side that two carriage release levers (46) are relative and are connected.

2. The anti-compression detection device of the helmet for construction engineering according to claim 1, wherein: the moving device (6) comprises a bearing sliding plate (61) which is slidably mounted at the bottom of an inner cavity of the test bench (1), and two springs (62) are fixedly mounted on the front side and the rear side of the bearing sliding plate (61).

3. The anti-compression detection device of the helmet for construction engineering according to claim 2, wherein: one end of the second spring (62) is fixedly connected with the inner wall of the test bench (1), a push rod (64) is fixedly mounted on the front side of the bearing sliding plate (61), and one end of the push rod (64) penetrates through the test bench (1) and is in sliding connection with the inner wall of the test bench (1).

4. The anti-compression detection device of the helmet for construction engineering according to claim 1, wherein: the top of the test bench (1) is fixedly provided with a first motor (5) through a support, and one end of an output shaft of the first motor (5) is fixedly connected with one side of the eccentric wheel (2).

5. The anti-compression detection device of the helmet for construction engineering according to claim 1, wherein: sliding mounting has striking rod (3) on eccentric wheel (2), the bottom fixed mounting of striking rod (3) has spring (31), the bottom fixed mounting of spring (31) has the briquetting.

6. The anti-compression detection device of the helmet for construction engineering according to claim 2, wherein: and a second motor (63) is fixedly mounted at the top of the bearing sliding plate (61), and one end of an output shaft of the threaded rod (47) is fixedly connected with the output end of the second motor (63).

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