CN211602347U

CN211602347U - Safety helmet detection device

Info

Publication number: CN211602347U
Application number: CN202020193709.9U
Authority: CN
Inventors: 陈华
Original assignee: Zhibiao Technology Co ltd
Current assignee: Zhibiao Technology Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-09-29
Anticipated expiration: 2030-02-21

Abstract

The utility model discloses a safety helmet detection device, including the crossbeam, the crossbeam sets up to two around, and the right-hand member of two crossbeams is respectively through two montants and bottom plate fixed connection, be close to between two crossbeams around about the equal fixed leading wheels that is provided with in both ends position, and threaded between two leading wheels and had the lifting rope, middle part between two leading wheels is provided with the stay wire mechanism that stimulates the lifting rope, the fixed vertical unwrapping wire pipe that is provided with between two front and back montants, and the top that is located the unwrapping wire pipe is provided with the limiting plate, the left end of lifting rope is connected with gravity ball perpendicularly downwards. The lifting rope that sets up hoists the gravity ball to pull the certain height with the gravity ball through the pulling rope of guy wire mechanism pulling, then realize the gravity ball free fall through loosening the pulling rope mechanism and carry out the striking and detect, and the lifting rope realizes through stopping piece and limiting plate cooperation that the taut spacing of gravity ball need not artificial round trip to pick up the ball, use convenient more of operation.

Description

Safety helmet detection device

Technical Field

The utility model relates to a safety helmet detects technical field, specifically is a safety helmet detection device.

Background

After the safety helmet is produced, prevent that people from being injured by a crashing object in order to guarantee the quality of safety helmet, all can detect the safety helmet quality, then need carry out the detection of multiple different situation, and the striking test is most common in the detection of safety helmet, and the striking test carries out the ability that the striking detected the anti striking of safety helmet through the object that falls perpendicularly to the safety helmet.

The utility model discloses an applicant discovers that the detection device of current safety helmet often rises the take the altitude then the free fall falls through hitting the ball, still needs artificial picking up the ball after the test, and the operation is got up more troublesome like this, and current safety helmet detection device structure is more complicated moreover, and manufacturing cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety helmet detection device aims at improving the detection device detection operation of current safety helmet more troublesome and the more complicated problem of structure.

The utility model discloses a realize like this:

a safety helmet detection device comprises two transverse beams, wherein the transverse beams are arranged into a front transverse beam and a rear transverse beam, the right ends of the two transverse beams are respectively fixedly connected with a bottom plate through two vertical rods, guide wheels are fixedly arranged between the front transverse beam and the rear transverse beam and are close to the left end and the right end, a lifting rope is threaded between the two guide wheels, a wire pulling mechanism for pulling the lifting rope is arranged in the middle of the space between the two guide wheels, a vertical pay-off pipe is fixedly arranged between the front vertical rod and the rear vertical rod, a limiting plate is arranged above the pay-off pipe, the left end of the lifting rope is vertically downwards connected with a gravity ball, the other end of the lifting rope passes through the limiting plate and is arranged in the pay-off pipe, a stopping block is arranged at one end of the lifting rope in the pay-off pipe, a safety helmet is arranged at a position, which corresponds to the gravity ball, the safety helmet is fixed on the bottom plate through a positioning block, then realize that gravity ball free fall carries out the striking through loosening guyed mechanism and detect, and the lifting rope realizes through stopping piece and limiting plate cooperation that the taut spacing of gravity ball need not artificial round trip to pick up the ball, and it is more convenient to use the operation, and it has simple structure advantage with low costs that drops into simultaneously.

Furthermore, the front end face and the rear end face of the vertical rod are provided with scale marks, and the height of the gravity ball can be set through the set scale marks to perform impact tests.

Further, the wire drawing mechanism includes the drive wheel, the lower extreme of drive wheel is provided with the pinch roller, and drive wheel and pinch roller clamp the lifting rope in the centre, the center pin of drive wheel passes the crossbeam of one side and the output shaft fixed connection of motor, the pinch roller is fixed on the mount, and the ejector pin fixed connection of mount lower extreme and telescopic link, the lower extreme of telescopic link is fixed on the fixed plate, and the both ends of fixed plate respectively with two crossbeam fixed connection, push up the pinch roller through the telescopic link and make drive wheel and pinch roller compress tightly the lifting rope and make the drive wheel rotate and stimulate the lifting rope under the drive of motor.

Furthermore, the left end of the lifting rope is fixedly provided with a connecting screw, the gravity ball is provided with a threaded hole matched with the connecting screw, and the gravity ball is convenient to disassemble and replace through the connecting screw.

Further, the lower terminal surface of bottom plate all is provided with the gyro wheel near four corners, makes things convenient for detection device's removal through the gyro wheel that sets up.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in hoist rope through setting up hoists the gravity ball to pull the take-up rope through the guy wire mechanism and pull to a take-up ball take-up certain height, then realize the gravity ball free fall through loosening guy wire mechanism and carry out the striking and detect, and the hoist rope realizes the taut spacing artificial round trip of need not of gravity ball of picking up the ball through stopping piece and limiting plate cooperation, uses the convenience more of operation, and it has the advantage that simple structure input cost is low simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a sectional view of a safety helmet detecting device of the present invention;

fig. 2 is a front view of a safety helmet detecting device of the present invention;

fig. 3 is a schematic view of a wire pulling mechanism of the safety helmet detecting device of the present invention;

fig. 4 is a schematic view of a connection screw of the safety helmet detecting device of the present invention.

In the figure: 1. a cross beam; 2. a wire pulling mechanism; 21. a drive wheel; 22. a pinch roller; 23. A fixed mount; 24. a telescopic rod; 25. a fixing plate; 3. a guide wheel; 4. a limiting plate; 5. a lifting rope; 51. a connecting screw; 6. a gravity ball; 7. a safety helmet; 8. positioning blocks; 9. a vertical rod; 10. a wire releasing pipe; 11. a blocking block; 12. a base plate; 13. scale lines are marked.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1, please refer to fig. 1 and 2 specifically, a safety helmet detecting device includes a cross beam 1, the cross beam 1 is arranged in a front and a rear two, the right ends of the two cross beams 1 are fixedly connected to a bottom plate 12 through two vertical rods 9, the lower end surface of the bottom plate 12 is provided with rollers near four corners, the detecting device is convenient to move through the rollers, guide wheels 3 are fixedly arranged between the front and rear cross beams 1 near the left and right ends, a lifting rope 5 is threaded between the two guide wheels 3, a wire pulling mechanism 2 for pulling the lifting rope 5 is arranged in the middle between the two guide wheels 3, a vertical pay-off pipe 10 is fixedly arranged between the front and rear vertical rods 9, one end of the lifting rope 5 is prevented from winding and knotting through the pay-off pipe 10, a limiting plate 4 is arranged above the pay-off pipe 10, the lifting rope 5 is blocked and limited through the limiting plate 4, the left end of the lifting rope 5 is vertically downwards connected with a gravity ball 6, the other end of the lifting rope 5 penetrates through the limiting plate 4 and is arranged in the pay-off pipe 10, a stopping block 11 is arranged at one end, located in the pay-off pipe 10, of the lifting rope 5, a safety cap 7 is arranged at the position, corresponding to the gravity ball 6, of the upper end face of the bottom plate 12, the safety cap 7 is fixed on the bottom plate 12 through a positioning block 8, the gravity ball 6 is lifted through the arranged lifting rope 5, the lifting rope 5 is pulled to a certain height through the wire pulling mechanism 2, then the gravity ball 6 can fall freely to perform impact detection through loosening of the wire pulling mechanism 2, the lifting rope 5 is matched with the limiting plate 4 through the stopping block 11 to achieve tensioning and limiting of the gravity ball 6, manual round-and-trip ball picking is not needed, using and operation are more convenient, and meanwhile the lifting rope has the advantages of being simple.

Specifically, referring to fig. 2, the front and rear end surfaces of the vertical rod 9 are provided with scale marks 13, and the height of the gravity ball 6 can be set by the scale marks 13 to perform the impact test.

Specifically, referring to fig. 3, the wire pulling mechanism 2 includes a driving wheel 21, a pressing wheel 22 is disposed at a lower end of the driving wheel 21, the lifting rope 5 is clamped between the driving wheel 21 and the pressing wheel 22, a central shaft of the driving wheel 21 penetrates through the cross beam 1 on one side to be fixedly connected with an output shaft of the motor, the pressing wheel 22 is fixed on a fixing frame 23, a lower end of the fixing frame 23 is fixedly connected with a top rod of an expansion link 24, a lower end of the expansion link 24 is fixed on a fixing plate 25, two ends of the fixing plate 25 are respectively fixedly connected with the two cross beams 1, the expansion link 24 pushes the pressing wheel 22 to enable the driving wheel 21 and the pressing wheel 22 to compress the lifting rope 5, and the driving wheel 21 is driven by the.

Specifically, referring to fig. 4, a connecting screw 51 is fixedly disposed at the left end of the lifting rope 5, a threaded hole matched with the connecting screw 51 is disposed on the gravity ball 6, and the gravity ball 6 is conveniently detached and replaced by the connecting screw 51.

The working principle is that when the utility model is used, the compression wheel 22 is pushed by the telescopic rod 24 to compress the lifting rope 5 by the driving wheel 21 and the compression wheel 22, the driving wheel 21 rotates to pull the lifting rope 5 under the driving of the motor to lift the gravity ball 6, and then the telescopic rod 24 is controlled to retract to release the compression on the lifting rope 5, so that the gravity ball 6 falls downwards under the dead weight and impacts the safety helmet 7 to realize the detection.

The device obtained by the design can basically meet the requirements of convenient detection operation and simple structure of the detection device of the existing safety helmet, but the designer further improves the device with the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a safety helmet detection device, includes crossbeam (1), its characterized in that: the lifting rope is characterized in that the beams (1) are arranged into a front beam and a rear beam, the right ends of the two beams (1) are fixedly connected with the bottom plate (12) through two vertical rods (9) respectively, the front beam and the rear beam are two, the beams (1) are fixedly provided with guide wheels (3) near the left end and the right end respectively, a lifting rope (5) is led between the two guide wheels (3), a wire pulling mechanism (2) for pulling the lifting rope (5) is arranged in the middle of the guide wheels (3), a vertical wire releasing pipe (10) is fixedly arranged between the front vertical rod (9) and the rear vertical rod (9), a limiting plate (4) is arranged above the wire releasing pipe (10), a gravity ball (6) is vertically and downwards connected with the left end of the lifting rope (5), the other end of the lifting rope (5) penetrates through the limiting plate (4) to be arranged in the wire releasing pipe (10), a blocking block (11) is arranged at one end of the lifting rope (, the safety helmet (7) is arranged at the position, corresponding to the gravity ball (6), of the upper end face of the bottom plate (12), and the safety helmet (7) is fixed on the bottom plate (12) through the positioning block (8).

2. A safety helmet detection device according to claim 1, characterized in that the front and back end surfaces of the vertical rod (9) are provided with scale marks (13).

3. The safety helmet detection device according to claim 2, wherein the wire drawing mechanism (2) comprises a driving wheel (21), a pressing wheel (22) is arranged at the lower end of the driving wheel (21), the driving wheel (21) and the pressing wheel (22) clamp the lifting rope (5) in the middle, a central shaft of the driving wheel (21) penetrates through the cross beam (1) on one side to be fixedly connected with an output shaft of the motor, the pressing wheel (22) is fixed on the fixing frame (23), the lower end of the fixing frame (23) is fixedly connected with the ejector rod of the telescopic rod (24), the lower end of the telescopic rod (24) is fixed on the fixing plate (25), and two ends of the fixing plate (25) are fixedly connected with the two cross beams (1) respectively.

4. A helmet detection device according to claim 3, wherein a connection screw (51) is fixed at the left end of the lifting rope (5), and a threaded hole matched with the connection screw (51) is arranged on the gravity ball (6).

5. A crash helmet detection device as claimed in claim 4, wherein the lower end surface of the base plate (12) is provided with rollers near each of the four corners.