CN216484423U

CN216484423U - Safety helmet quality detection device for building

Info

Publication number: CN216484423U
Application number: CN202122757865.0U
Authority: CN
Inventors: 冯爱
Original assignee: Anhui Ronglian Construction Engineering Co ltd
Current assignee: Anhui Ronglian Construction Engineering Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-05-10
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a quality detection device for a safety helmet for a building, and belongs to the technical field of quality detection of safety helmets. The utility model provides a safety helmet quality testing device for building, includes the base, the backup pad bottom surface has set firmly pounding the piece, slide plate top surface middle part has set firmly the stay cord, the stay cord outer wall is equipped with compression spring for the inside position cover of spout, the backup pad top is the square matrix and arranges evenly to be equipped with a plurality of burden pouring weights, slot has all been seted up at backup pad top surface middle part and burden piece top surface middle part, two circular slots have been seted up to burden pouring weight lower extreme both sides outer wall symmetry, the circular slot inner wall has set firmly the joint piece through reset spring, the joint groove has been seted up for the position of joint piece to the slot inner wall. The utility model not only improves the authenticity of the safety helmet quality inspection work, but also can control the impact force according to the different quantity of the fixed weight blocks, so that the working personnel can control the quality of the safety helmet more accurately.

Description

Safety helmet quality detection device for building

Technical Field

The utility model relates to the technical field of safety helmet quality detection, in particular to a safety helmet quality detection device for buildings.

Background

The safety helmet is a helmet which can protect the head of a person from being injured by falling objects and other specific factors, and consists of a helmet shell, a helmet liner, a chin strap and the like, wherein the helmet shell is a main protective structure and generally adopts an elliptical or hemispherical thin shell structure, the structure can generate certain pressure deformation under impact pressure, the impact time is reduced because the rigidity of the material absorbs and disperses stress, and due to the smooth surface and the circular curve, impact objects can easily slide away, and workers need to check the quality of the safety helmet produced in each batch in the production process of the safety helmet, the existing method mainly crushes the safety helmet through blunt instruments such as a hammer and the like, so that the quality detection purpose is achieved, but the artificial crushing is different from the impact generated by the falling objects, so that the injury to the safety helmet in the practical situation is difficult to realize in the test, moreover, when the worker manually knocks the safety helmet, the movement of the safety helmet is easily caused in the process of knocking the side edge of the safety helmet, danger can be caused if the worker manually supports the safety helmet, in addition, manual detection is difficult to control and record the knocking strength, and thus strict data record is difficult to form on the quality of the safety helmet.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a quality detection device for a safety helmet for a building, which aims to solve the problems in the background technology.

2. Technical scheme

A safety helmet quality detection device for buildings comprises a base, wherein a rotating seat is arranged on the top surface of the front side of the base, a rotating groove is formed in the top surface of the base relative to the position of the rotating seat, a cap seat is embedded in the middle of the top surface of the rotating seat, a limiting rod is arranged on the front side of the rotating seat and on the left side of the rotating seat, a sleeve rod is sleeved on the outer end of the limiting rod, a rotating ball is fixedly arranged at the inner end of the limiting rod and the outer end of the sleeve rod, a fixed block is fixedly arranged on the top surface of the base relative to the outer side of the limiting rod, ball grooves are respectively formed in the inner side wall of the fixed block and the outer wall of the rotating seat relative to the position of the rotating ball, a threaded hole is formed in the inner end of the outer wall of one side of the sleeve rod, a hand screw is connected to the threaded hole, a sliding groove is formed in the middle of the front wall of the upper side of the base, a sliding plate is arranged on the lower portion of the sliding groove, the sliding plate extends to the front side and is fixedly provided with a supporting plate, the utility model discloses a slide block, including backup pad, slide plate, draw-bar, supporting plate bottom surface, stay cord outer wall, compression spring, the backup pad top is the square matrix and arranges and evenly be equipped with a plurality of burden pouring weights for the inside position cover of spout, the slot has all been seted up in backup pad top surface middle part and burden piece top surface middle part, two circular slots have been seted up to burden pouring weight lower extreme both sides outer wall symmetry, the circular slot inner wall has set firmly the joint piece through reset spring, the joint groove has been seted up for the position of joint piece to the slot inner wall.

Preferably, the base is of an L-shaped structure, the rotating seat is of a one-third sphere structure, the rotating groove is of a hemisphere structure, and the lower portion of the rotating seat is in rotating fit with the rotating groove.

Preferably, the cap base is of an oval sphere structure, the limiting rod is in sliding fit with the inner portion of the sleeve rod, the ball groove is of a two-thirds sphere structure, the rotating ball is in running fit with the ball groove, and the inner side end of the hand-screwed screw is in extrusion fit with the outer wall of the limiting rod.

Preferably, the sliding plate and the sliding groove are both of a T-shaped structure, the sliding plate is in sliding fit with the sliding groove, the lower end of the hitting block is of an inverted cone structure, and the upper end of the pull rope penetrates through the top surface of the sliding groove, is of a semicircular structure, extends to the right side of the base and is in sliding connection with the base.

Preferably, the weight bearing block is of a T-shaped structure, the lower end of the weight bearing block is in plug-in fit with the slot, the clamping block is in sliding fit with the circular groove, and the clamping block and the clamping groove are both of a hemispherical structure and are in clamping fit.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. the safety helmet is provided with the negative weight blocks, the sliding plate, the pull rope, the compression spring and the smashing blocks, and a worker can enable the smashing blocks, the supporting plate and the negative weight blocks on the supporting plate to perform a simulated falling impact experiment on the safety helmet in a mode of pulling the pull rope, so that the authenticity of the safety helmet quality inspection work is improved, the impact force can be controlled according to different fixed weight blocks, and the worker can control the quality of the safety helmet more accurately.

2. The utility model is provided with the rotating seat, the limiting rod, the loop bar and the hand-screwed screw, and a worker can achieve the purpose of limiting the angle of the rotating seat through the extrusion fit of the end part of the hand-screwed screw and the outer wall of the limiting rod, so that the experiment of the device can be more targeted, the edge of the safety helmet can also be subjected to strict quality inspection, the quality of the safety helmet is ensured, and the practicability is strong.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the rotary base of the present invention;

FIG. 3 is an exploded view of the stop lever and the loop bar of the present invention;

FIG. 4 is a schematic sectional view of the upper part of the base of the present invention;

fig. 5 is a schematic cross-sectional view of the support plate of the present invention.

The reference numbers in the figures illustrate: 1. a base; 2. a rotating seat; 3. a rotating groove; 4. a cap base; 5. a limiting rod; 6. a loop bar; 7. rotating the ball; 8. a fixed block; 9. a ball groove; 10. a threaded hole; 11. screwing the screw by hand; 12. a chute; 13. a slide plate; 14. a support plate; 15. smashing the block; 16. pulling a rope; 17. a compression spring; 18. a negative weight block; 19. a slot; 20. a circular groove; 21. a return spring; 22. a clamping block; 23. a clamping groove.

Detailed Description

Referring to fig. 1-5, the present invention provides a technical solution:

a quality detection device for a safety helmet for a building comprises a base 1, wherein a rotating seat 2 is arranged on the top surface of the front side of the base 1, a rotating groove 3 is formed in the position, relative to the rotating seat 2, of the top surface of the base 1, a helmet seat 4 is embedded in the middle of the top surface of the rotating seat 2, a limiting rod 5 is arranged on each of the front side of the rotating seat 2 and the left side of the rotating seat 2, a sleeve rod 6 is sleeved on the outer side end of the limiting rod 5, a rotating ball 7 is fixedly arranged on each of the inner side end of the limiting rod 5 and the outer side of the sleeve rod 6, a fixed block 8 is fixedly arranged on the position, relative to the outer side of the limiting rod 5, of the top surface of the base 1, a ball groove 9 is formed in each of the inner side wall of the fixed block 8 and the outer wall of the rotating seat 2, a threaded hole 10 is formed in the inner side end of the outer wall of one side of the sleeve rod 6, a hand-screwed screw 11 is connected to the internal threads of the threaded hole 10, a sliding groove 12 is formed in the middle of the front wall of the upper side of the base 1, a sliding plate 13 is arranged on the lower portion of the sliding plate, the sliding plate 13, the sliding plate extends out of the sliding groove 12 to the front side and is fixedly arranged with a

support plate

14, 14 bottom surfaces of backup pad have set firmly pounding

piece

15, 13 top surface middle parts of slide have set firmly stay cord 16, the position cover of 16 outer walls of stay cord for 12 inside of spout is equipped with

compression spring

17, 14 top surfaces of backup pad are square matrix and arrange and evenly are equipped with a plurality of burden pouring weight 18, slot 19 has all been seted up at 14 top surface middle parts of backup pad and 18 top surface middle parts of burden pouring weight, two circular slots 20 have been seted up to 18 lower extreme both sides outer wall symmetries of burden piece, circular slot 20 inner wall has set firmly joint piece 22 through reset spring 21, joint groove 23 has been seted up for joint piece 22's position to 19 inner walls of slot.

Specifically, the base 1 is an L-shaped structure, the rotating seat 2 is a one-third spherical structure, the rotating groove 3 is a hemispherical structure, the lower part of the rotating seat 2 is in rotating fit with the rotating groove 3, a worker can use the device to perform quality sampling on a batch of new safety helmets after producing the batch of new safety helmets, the new safety helmets can be randomly extracted from a large number of safety helmets, the extracted safety helmets are sleeved at the upper end of the cap seat 4 of the device and are firmly fixed on the cap seat 4 by using buckles on the safety helmets, at the moment, the worker only needs to rotate the cap seat 4 and the safety helmets on the cap seat along the rotating fit direction of the rotating seat 2 and the rotating groove 3 according to the inspection requirement, the cap seat 4 can rotate around freely under the two-thirds spherical structure of the rotating seat 2 and the hemispherical structure of the rotating groove 3, the limiting rod 5 can also slide out of the sleeve rod 6 in order to adapt to the change of the rotating seat 2 in the process, meanwhile, the two rotating balls 7 at the outer side end of the loop bar 6 and the inner side end of the limiting rod 5 can rotate along the positions of the two ball grooves 9 respectively to adapt to the change of the rotating seat 2.

Further, the cap seat 4 is an ellipsoid structure, the limiting rod 5 is in sliding fit with the inside of the sleeve rod 6, the ball groove 9 is of a two-thirds ball structure, the rotating ball 7 is in running fit with the ball groove 9, the inner side end of the hand-screwed screw 11 is in extrusion fit with the outer wall of the limiting rod 5, after the position is changed, a worker can fix the relative position of the limiting rod 5 and the sleeve rod 6 by utilizing the threaded connection of the hand-screwed screw 11 and the threaded hole 10, and then the angle of the rotating seat 2 and the cap seat 4 can be strictly limited to facilitate the worker to check the specific position on the safety helmet.

Furthermore, the sliding plate 13 and the sliding groove 12 are both of a T-shaped structure, the sliding plate 13 is in sliding fit with the sliding groove 12, the lower end of the hitting block 15 is of an inverted cone structure, the upper end of the pull rope 16 penetrates through the top surface of the sliding groove 12 and extends to the right side of the base 1 in a semicircular structure and is in sliding connection with the base 1, a worker only needs to pull the right end of the pull rope 16 to pull the sliding plate 13 up along the sliding groove 12, then the pull rope 16 is released, and the supporting plate 14, the load bearing block 18 and the hitting block 15 are hit on the helmet under the dual effects of gravity and the elastic force of the compression spring 17, so that the inspection effect is achieved.

Furthermore, the weight bearing block 18 is of a T-shaped structure, the lower end of the weight bearing block 18 is in plug-in fit with the slot 19, the clamping block 22 is in sliding fit with the circular groove 20, the clamping block 22 and the clamping groove 23 are both of hemispherical structures and are in clamping fit, and a worker can further connect and fix the weight bearing block 18 and the supporting plate 14 along the plug-in fit relation between the lower end of the weight bearing block 18 and the slot 19 and the clamping relation between the clamping block 22 and the clamping groove 23, so that the quality of the supporting plate 14 can be improved, and the impact force of the impact block 15 on the safety helmet can be increased.

The working principle is as follows: after a new batch of safety caps are produced by a worker, the quality of the batch of safety caps can be checked by using the device, the safety caps can be randomly extracted from a large number of safety caps, the extracted safety caps are sleeved at the upper end of a cap seat 4 of the device and are firmly fixed on the cap seat 4 by utilizing buckles on the safety caps, at the moment, the worker only needs to rotate the cap seat 4 and the safety caps on the cap seat along the rotation matching direction of the rotating seat 2 and the rotating groove 3 according to the inspection requirement, the cap seat 4 can rotate around freely under the two-thirds spherical structure of the rotating seat 2 and the hemispherical structure of the rotating groove 3, the limiting rod 5 can also slide out of the sleeve rod 6 in order to adapt to the change of the rotating seat 2 in the process, and simultaneously the two rotating balls 7 at the outer side end of the sleeve rod 6 and the inner side end of the limiting rod 5 can also rotate along the positions of the two ball grooves 9 respectively to adapt to the change of the rotating seat 2, after the position is changed, a worker can fix the relative position of the limiting rod 5 and the loop bar 6 by utilizing the threaded connection of the hand-screwed screw 11 and the threaded hole 10, then the angle between the rotary seat 2 and the cap seat 4 is strictly limited to facilitate the worker to carry out inspection work on the specific position on the safety helmet, then the worker can also connect and fix the load block 18 and the supporting plate 14 along the inserting fit relationship between the lower end of the load block 18 and the slot 19 and the clamping relationship between the clamping block 22 and the clamping groove 23, so that the mass of the supporting plate 14 can be improved and the impact force of the impact block 15 on the safety helmet can be increased, finally, the worker only needs to pull the right end of the pull rope 16 to pull the sliding plate 13 up along the sliding groove 12, then release the pull rope 16, and enable the supporting plate 14, the load block 18 and the impact block 15 to be impacted on the safety helmet under the dual effects of gravity and the elasticity of the compression spring 17, thus, the inspection effect is achieved.

Claims

1. The utility model provides a safety helmet quality testing device for building, includes base (1), its characterized in that: the rotary table is characterized in that a rotary seat (2) is arranged on the top surface of the front side of the base (1), a rotary groove (3) is formed in the top surface of the base (1) relative to the position of the rotary seat (2), a cap seat (4) is embedded in the middle of the top surface of the rotary seat (2), limiting rods (5) are arranged on the front side of the rotary seat (2) and on the left side of the rotary seat (2), sleeve rods (6) are sleeved on the outer side ends of the limiting rods (5), rotary balls (7) are fixedly arranged at the inner side ends of the limiting rods (5) and the outer side ends of the sleeve rods (6), fixed blocks (8) are fixedly arranged on the top surface of the base (1) relative to the outer side of the limiting rods (5), ball grooves (9) are formed in the inner side wall of the fixed blocks (8) and the outer wall of the rotary seat (2) relative to the positions of the rotary balls (7), threaded holes (10) are formed in the inner side end of the outer wall of the sleeve rods (6), and hand screws (11) are connected with internal threads of the threaded holes (10), the middle part of the front wall of the upper side of the base (1) is provided with a sliding groove (12), the lower part of the sliding groove (12) is provided with a sliding plate (13), the front end of the sliding plate (13) penetrates out of the sliding groove (12) and extends to the front side and is fixedly provided with a supporting plate (14), the bottom surface of the supporting plate (14) is fixedly provided with a smashing block (15), the middle part of the top surface of the sliding plate (13) is fixedly provided with a pull rope (16), the outer wall of the pull rope (16) is sleeved with a compression spring (17) relative to the position inside the sliding groove (12), the top surface of the supporting plate (14) is uniformly provided with a plurality of negative weight blocks (18) in a square array arrangement manner, the middle part of the top surface of the supporting plate (14) and the middle part of the top surface of the negative weight blocks (18) are respectively provided with a slot (19), the outer walls of two sides of the lower end of the negative weight blocks (18) are symmetrically provided with two circular grooves (20), the inner wall of the circular groove (20) is fixedly provided with a clamping block (22) through a reset spring (21), the inner wall of the slot (19) is provided with a clamping groove (23) relative to the clamping block (22).

2. The quality inspection device for construction safety helmets according to claim 1, wherein: the base (1) is of an L-shaped structure, the rotating seat (2) is of a one-third sphere structure, the rotating groove (3) is of a hemisphere structure, and the lower portion of the rotating seat (2) is in running fit with the rotating groove (3).

3. The quality inspection device for construction safety helmets according to claim 1, wherein: cap seat (4) are the ellipsoid structure, gag lever post (5) and loop bar (6) inside sliding fit, ball groove (9) are two-thirds spheroid structure, ball (7) and ball groove (9) normal running fit change, hand screw (11) medial extremity and gag lever post (5) outer wall extrusion fit.

4. The quality inspection device for construction safety helmets according to claim 1, wherein: the sliding plate (13) and the sliding groove (12) are both of a T-shaped structure, the sliding plate (13) is in sliding fit with the sliding groove (12), the lower end of the hitting block (15) is of an inverted cone structure, and the upper end of the pull rope (16) penetrates through the top surface of the sliding groove (12), is of a semicircular structure, extends to the right side of the base (1) and is in sliding connection with the base (1).

5. The quality inspection device for construction safety helmets according to claim 1, wherein: the weight piece (18) is of a T-shaped structure, the lower end of the weight piece (18) is in plug-in fit with the slot (19), the clamping block (22) is in sliding fit with the circular groove (20), and the clamping block (22) and the clamping groove (23) are both of a hemispherical structure and are in clamping fit.