CN217954219U

CN217954219U - Supporting device for helmet weather resistance aging test

Info

Publication number: CN217954219U
Application number: CN202222027118.6U
Authority: CN
Inventors: 李景菲; 沈振; 吴东亮
Original assignee: Zhejiang Academy Of Product Quality And Safety
Current assignee: Zhejiang Academy Of Product Quality And Safety
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-02
Anticipated expiration: 2032-08-03

Abstract

A supporting device for helmet weather resistance aging tests relates to the field of helmet testing equipment. The temperature sensor comprises a temperature sensor sensing head, a temperature recorder and a unit bracket, wherein the unit bracket comprises a supporting stabilizing frame, a supporting rod and a supporting piece; the supporting and stabilizing frame is used for fixing the supporting rod; the supporting rods are multiple and are fixed on the supporting and stabilizing frame at intervals; the supporting piece is fixed on the supporting rod, and the size of the supporting piece is matched with that of the helmet; a plurality of temperature sensor sensing heads are arranged in the holes below one supporting piece respectively; a temperature sensor line is arranged between the temperature sensor sensing head and the temperature recorder to connect the temperature sensor sensing head with the temperature recorder. The utility model discloses a resistant ageing tests of waiting of helmet class product provides the support, can satisfy standard testing requirement, carries out the aging process of product under the circumstances that does not receive the interference.

Description

Supporting device for helmet weather resistance aging test

Technical Field

The utility model discloses a strutting arrangement is used in ageing test of helmet weatherability relates to helmet test equipment field.

Background

The natural solarization and aging has certain significance for evaluating the actual service life of helmet and safety helmet products made of different materials and in different structural styles, and the service life cycle of the product can be evaluated according to the related performance change of the product after solarization and aging.

According to the requirements of an aging test device in the standards of GBT 3681-2011 plastic natural sunlight climate aging, glass filtered sunlight climate aging and Fresnel lens accelerated sunlight climate, the test device can provide a required inclination angle, a sample is firmly installed, but the stress acting on the sample is preferably as small as possible, and the contraction, expansion or bending of the sample is not restrained as much as possible.

However, there is no determined experimental device for helmet products, so that based on the requirement of evaluating the aging resistance of the helmet, one of important aging detection bases is provided for evaluating the aging life of the helmet shell and improving subsequent products, and it is urgently needed to develop a supporting device for the weather-resistant aging test of the helmet, so as to meet the aging test requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses in to prior art, there is not the outdoor device that insolates specially to products such as helmet, safety helmet, provides a strutting arrangement that can place this type of product, and this strutting arrangement still has temperature sensor, can take notes the change of ageing process in-process temperature, provides detailed digital record to average temperature of month, month highest temperature, month minimum temperature etc. for the more accurate test condition of aassessment of follow-up product.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a helmet is with ageing strutting arrangement of novel weatherability, includes temperature sensor sensing head, temperature recorder and unit support, and the unit support is including supporting steady rest, bracing piece, support piece, supporting legs.

The support stabilizing frame is rectangular, the support rods are fixed on the support stabilizing frame at intervals, and the support stabilizing frame has enough size to enable the support rods to keep enough installation intervals, so that helmets of various sizes can be placed on the support rods, the phenomenon that the intervals are too small and the helmets of large sizes are blocked after being placed is avoided.

The top of the support rod is fixedly connected with a support piece, the support piece can be a circle or a triangle, the outer diameter range of the circle is 15-20cm, the triangle is an equilateral triangle, the side length is 13-18cm, the specific size can be set to be the same as the size of a detected sample, and the size corresponding to the size of the helmet is selected to be fixed during use so as to stably place the sample.

The bracing piece is telescoping device, and wherein bracing piece bottom is fixed with the support steady rest, and the bracing piece can be divided into lower extreme bracing piece and upper end bracing piece, and lower extreme bracing piece external diameter is less, and the upper end bracing piece can overlap at the lower extreme bracing piece, and wherein the upper end bracing piece has rotatory screw apart from the top in 3cm, can fix the lower extreme bracing piece to this makes the upper end bracing piece can pull down, is convenient for accomodate after the use. Meanwhile, the support pieces with different specifications are convenient to replace.

Holes are formed near the connecting part of the support piece and the support rod, and a sensing head of a temperature sensor can be placed, so that the temperature change in the helmet body in the weather-proof treatment process can be detected, and the temperature and humidity change experienced in the helmet aging process can be accurately reflected; each unit bracket is provided with a temperature recorder which is connected with each temperature sensor sensing head through a temperature sensing line.

The supporting stabilizing frame and the supporting rod are both of hollow structures, temperature sensor wires can be placed in the supporting stabilizing frame and the supporting rod, and the temperature sensor wires can be installed inside the supporting stabilizing frame and the supporting rod to obtain protection.

The supporting legs have four, set up in support steady rest four angles to support whole device, stably place whole strutting arrangement.

Furthermore, the unit support can be used independently, also can a plurality of combination uses, can splice a plurality of unit supports with the connecting rod before the unit support to convenient firm. The connecting rod both ends have the buckle can block on supporting the steady rest.

Furthermore, the bottom of the unit bracket can be provided with a pulley to facilitate movement.

Furthermore, the supporting rods of the unit bracket can also be made into an integrated structure.

Has the advantages that: the utility model provides a support for the weathering aging test of helmet products, can meet the standard detection requirements, carry out the aging treatment of products under the condition of not being interfered, and can record the temperature change experienced by the helmet in the whole weathering aging process, thus realizing the purpose of more effectively evaluating the aging process; and the support piece that suits with helmet size also can effectively fix the helmet, prevents to be blown off in the outdoor test process, influences ageing treatment.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a view showing a state where the unit bracket is used in combination;

FIG. 3 is a side view of the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a schematic view of the engagement of a support member with a helmet using a variable diameter design;

FIGS. 6 and 7 show a specific structure of the support of the variable diameter design;

description of the reference numerals: the support stabilizer 1, the wire outlet 11, the support rod 2, the lower end support rod 21, the upper end support rod 22, the backward bending part 221, the support piece 3, the support disc 31, the inner support block 32, the slide rod 33, the control wheel 34, the arc-shaped hole 35, the connecting part 36, the sliding groove 37, the control shaft 38, the plane 381, the nut 39, the support leg 4, the rotating screw 5, the hole 6, the frame 7, the connecting rod 8 and the buckle 81.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Furthermore, the embodiments of the invention described in the following description are generally only some embodiments, but not all embodiments of the invention. Therefore, based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

The novel weather-resistant aging supporting device for the helmet as shown in fig. 1-4 comprises a temperature sensor sensing head, a temperature recorder and a unit bracket, wherein the unit bracket comprises a supporting stabilizing frame 1, a supporting rod 2, a supporting piece 3 and supporting legs 4.

The supporting and stabilizing frame 1 is rectangular, the length of the supporting and stabilizing frame is 80cm, and the width of the supporting and stabilizing frame is 40cm. Two rows of 6 support rods 2 are fixed on the support stabilizer 1. Wherein 4 support rods 2 are fixed at 4 corners supporting the stabilizer 1, and the other 2 support rods 2 are fixed at the middle positions of the long sides supporting the stabilizer 1. So make bracing piece 2 keep sufficient installation interval, make all kinds of sizes's helmet all can place on bracing piece 2, avoid the interval too little, the big size helmet hinders each other after putting.

The top of the support rod 2 is fixedly connected with a support 3, and the support 3 can be circular or triangular according to the general size of the helmet. The circular outer diameter range is 15-20cm, the triangle is an equilateral triangle, the side length is 13-18cm, the specific size can be set to be the same according to the size of a detected sample, and the specification corresponding to the size of a helmet is selected to be fixed during use so as to stably place the sample.

Besides this, the support 3 can also be of variable diameter design. Specifically, referring to fig. 5-7, the supporting member 3 includes a supporting disk 31, a plurality of inner supporting blocks 32 are arranged around the supporting disk 31, the plurality of inner supporting blocks 32 form an annular variable-diameter supporting structure, a sliding rod 33 extending linearly to the center of the supporting disk 31 is arranged on each inner supporting block 32, the sliding rod 33 is in sliding fit with the supporting disk 31, a control wheel 34 is arranged at the center of the supporting disk 31, an arc-shaped hole 35 is formed in the control wheel 34 corresponding to each inner supporting block 32, and a connecting portion 36 is arranged at the end of the sliding rod 33 of each inner supporting block 32 and penetrates through the arc-shaped hole 35. When the control wheel 34 is manually operated to rotate, the arc-shaped hole 35 drives the connecting part 36 to move, so that the sliding rod 33 and the inner supporting blocks 32 linearly move along the sliding grooves 37, and when all the inner supporting blocks 32 move simultaneously, the diameter of an annular variable-diameter supporting structure formed by the inner supporting blocks 32 can be changed, so that the helmet is suitable for helmets of different sizes. And even if the helmet is not required to adapt to helmets of different sizes, the helmet can be supported tightly by the outwards expanded top on the inner wall of the helmet after the helmet is placed on the variable-diameter supporting structure, so that the helmet is placed more stably, and the condition that the helmet is blown off by bad weather in the outdoor test process to influence aging treatment is avoided.

In particular, the control wheel 34 has a control shaft 38, the control shaft 38 extending below the support disc 31, and the control shaft 38 is advantageously operable by virtue of the fact that the control shaft 38 is below the support disc 31, and it is more convenient to operate the control shaft 38 in the lower position after the helmet has been placed on the variable-diameter support structure. Furthermore, a nut 39 is provided on the control shaft 38, and a matching external thread is provided on the control shaft 38, so that the control shaft 38 can be locked by the nut 39, thereby preventing the control wheel 34 from loosening after adjustment. Two planes 381 are provided below the control shaft 38 for facilitating the operation of the control shaft 38 with a wrench.

The bracing piece 2 is the telescoping device, and wherein 2 bottoms of bracing piece are fixed with support steady rest 1, and bracing piece 2 can be divided into lower extreme bracing piece 21 and upper end bracing piece 22, and lower extreme bracing piece 21 external diameter is less, and upper end bracing piece 22 can overlap at lower extreme bracing piece 21, and wherein upper end bracing piece 22 has rotatory screw 5 apart from the top in 3cm, can fix lower extreme bracing piece 21 to this makes upper end bracing piece 22 can pull down, is convenient for accomodate after the use. And also to facilitate replacement of supports 3 of different sizes.

A hole 6 is arranged near the connection part of the support part 3 and the support rod 2, and a sensing head of a temperature sensor can be placed so as to detect the temperature change in the helmet body in the weather-proof treatment process and accurately reflect the temperature and humidity change experienced in the helmet aging process; each unit bracket is provided with a temperature recorder which is connected with each temperature sensor sensing head through a temperature sensing line. Referring to fig. 1 and 4, it can be seen that the back-bending portion 221 is formed at the top of the upper end support rod 22, and the hole is formed in the back-bending portion 221, so that the temperature sensor head faces the helmet, and the temperature and humidity changes experienced during the aging process of the helmet can be reflected more accurately.

The temperature recorder adopts the existing equipment, and can be realized without any creative labor for the technicians in the field, so the specific structure of the temperature recorder is not explained in detail.

The supporting stabilizing frame 1 and the supporting rod 2 are both of hollow structures and can be used for placing temperature sensor lines, and the temperature sensor lines are connected with a temperature sensor sensing head and a temperature recorder. The temperature sensor wire may be installed inside the support stabilizer 1 and the support rod 2 for protection. Referring to fig. 1, it can be seen that the inside of the support stabilizer 1 has a frame 7 for housing a temperature recorder. A wire outlet 11 is arranged at the inner side of the supporting and stabilizing frame 1 and adjacent to the frame 7, and a temperature sensor wire is also arranged to penetrate out of the supporting and stabilizing frame 1 and is connected to a temperature recorder.

Four supporting legs 4 are arranged at four corners of the supporting and stabilizing frame 1 to support the whole device and stably place the whole supporting device.

The unit supports can be used independently or in combination, as shown in fig. 2, a plurality of unit supports can be spliced by connecting rods 8 between the unit supports, so that the unit supports are convenient and stable. The two ends of the connecting rod 8 are provided with buckles 81 which can be clamped on the support stabilizer 1.

The bottom of the unit bracket may be fitted with pulleys, not shown, to facilitate movement.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a strutting arrangement is used in ageing test of helmet weatherability, includes temperature sensor sensing head, temperature recorder, its characterized in that: the support also comprises a unit support, wherein the unit support comprises a support stabilizing frame (1), a support rod (2) and a support piece (3);

the supporting and stabilizing frame (1) is used for fixing the supporting rod (2);

a plurality of supporting rods (2) are arranged, and the supporting rods (2) are fixed on the supporting and stabilizing frame (1) at intervals;

the support piece (3) is fixed on the support rod (2), and the size of the support piece (3) is matched with that of the helmet;

holes (6) are formed below the connecting part of the support (3) and the support rod (2), and a plurality of temperature sensor sensing heads are respectively arranged in the holes (6) below one support (3);

a temperature sensor line is arranged between the temperature sensor sensing head and the temperature recorder to connect the temperature sensor sensing head and the temperature recorder.

2. The supporting device for the weather-resistant aging test of the helmet, according to claim 1, wherein: the supporting and stabilizing frame (1) is rectangular, and the length and the width of the supporting and stabilizing frame (1) are 80cm and 40cm respectively; two rows of 6 support rods (2) are fixed on the support stabilizing frame (1), wherein 4 support rods (2) are fixed at 4 corners of the support stabilizing frame (1), and the other 2 support rods (2) are fixed in the middle of the long edge of the support stabilizing frame (1).

3. The supporting device for the weather-resistant aging test of the helmet, according to claim 1, wherein: the supporting piece (3) is circular, and the outer diameter range is 15-20cm.

4. The supporting device for the weather-resistant aging test of the helmet, according to claim 1, wherein: the supporting piece (3) comprises a supporting disc (31), a plurality of inner supporting blocks (32) are arranged around the supporting disc (31), sliding rods (33) extending towards the circle center of the supporting disc (31) in a straight line are arranged on the inner supporting blocks (32), the sliding rods (33) are in sliding fit with the supporting disc (31), and sliding grooves (37) matched with the sliding rods (33) are formed in the supporting disc (31); the center of supporting disc (31) is equipped with control wheel (34), and control wheel (34) are gone up and are all equipped with an arc hole (35) corresponding every interior spacer (32), and slide bar (33) tip of interior spacer (32) is equipped with connecting portion (36), and connecting portion (36) alternate in arc hole (35).

5. The supporting device for the weather-resistant aging test of the helmet, according to claim 4, wherein: the control wheel (34) is provided with a control shaft (38), the control shaft (38) penetrates through the lower portion of the supporting disc (31), a nut (39) is arranged on the control shaft (38), and an external thread matched with the nut (39) is arranged on the control shaft (38).

6. The supporting device for the weather-resistant aging test of the helmet, according to claim 5, wherein: two planes 381 are arranged below the control shaft 38.

7. The supporting device for the weather-resistant aging test of the helmet, according to claim 1, wherein: the support rod (2) comprises a lower end support rod (21) and an upper end support rod (22), the upper end support rod (22) is hollow inside, the upper end support rod (22) can be sleeved on the lower end support rod (21), a rotary screw (5) is arranged at a position, close to the top end, of the upper end support rod (22), and the rotary screw (5) penetrates through the upper end support rod (22) and the lower end support rod (21).

8. The supporting device for the weather-resistant aging test of the helmet, according to claim 1, wherein: the supporting and stabilizing frame (1) and the supporting rod (2) are both of a hollow structure, and the supporting and stabilizing frame (1) is communicated with the supporting rod (2).

9. The supporting device for the weather-resistant aging test of the helmet, according to claim 1, wherein: the inner side of the supporting and stabilizing frame (1) is provided with a frame (7) for placing a temperature recorder, and a wire outlet (11) is arranged at the position, adjacent to the frame (7), of the inner side of the supporting and stabilizing frame (1).

10. The supporting device for the weather-resistant aging test of the helmet, according to claim 1, wherein: the bottom of the supporting and stabilizing frame (1) is provided with a plurality of supporting feet (4).