CN211553245U

CN211553245U - Helmet strength detection device

Info

Publication number: CN211553245U
Application number: CN202020327121.8U
Authority: CN
Inventors: 傅立群; 邱积良
Original assignee: Kunshan Baichao Injection Molding Technology Co ltd
Current assignee: Kunshan Baichao Injection Molding Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-09-22
Anticipated expiration: 2030-03-17

Abstract

The utility model relates to the technical field of detection devices, in particular to a helmet strength detection device, which solves the defects of high production cost, low production efficiency and high limitation existing in the prior art, and comprises support legs, wherein the top parts of the support legs are fixedly provided with a detection platform through nut bolts, the top parts of the detection platform are sequentially and fixedly connected with a stand column and a base which are symmetrically arranged through hexagon screws, the top parts of the stand column are fixedly provided with a top plate through bolts, the top parts of the top plate are provided with a cylinder through bolts, the inside of the cylinder is provided with a piston rod, and through the arrangement of structures such as a pressing plate, a push rod, a connecting rod, a gear, a rack, a rotating rod and the like, when the cylinder pushes the push rod to enable the pressing plate to carry out compression resistance detection on a helmet, the rack on one side is utilized to simultaneously drive the rotating rod to rotate, so, the production efficiency is obviously improved.

Description

Helmet strength detection device

Technical Field

The utility model relates to a detection device technical field especially relates to a helmet intensity detection device.

Background

The helmet is widely used as a harness for protecting the head, and is particularly common in occasions such as road riding, construction on construction sites, sports competitions and the like, the helmet is mostly semicircular, most impact force is absorbed through deformation of the outer shell, so that the injury of a hit object to the head is resisted, the outer shell has the greatest effect of expanding the impact surface, particularly when the outer surface with a protrusion is impacted, the puncture can be prevented, the contact area is also expanded, the pressure is directly reduced, if the helmet is punctured violently to a sharp object, the head of a wearer is seriously injured, and great life danger exists, so that the helmet is required to be unified standard before leaving a factory due to safety consideration, and the helmet meets certain puncture prevention capability.

Equally divide into two processes among the prior art when detecting the helmet, detect the compressive capacity and the puncture resistance of helmet respectively, need use two kinds of detection device, manufacturing cost is high, and it is more to detect the step in addition, has reduced production efficiency, need drop into different detection device to the helmet of equidimension not, and application scope is narrow, and the limitation is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of high production cost, low production efficiency and high limitation in the prior art and providing a helmet strength detection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a helmet strength detection device comprises support legs, wherein the top of each support leg is fixedly provided with a detection table through a nut bolt, the top of each detection table sequentially comprises a stand column and a base which are fixedly connected with hexagonal screws in a symmetrical arrangement mode, a top plate is fixedly arranged on the top of the stand column through bolts, an air cylinder is mounted on the top of the top plate through bolts, a piston rod is arranged in the air cylinder, the end of the piston rod is fixedly connected with a push rod, the end of the push rod is welded with a press plate, one side of the push rod is fixedly provided with a connecting rod through screws, one side of the connecting rod is fixedly provided with a lifting plate through a nut bolt, one side of the lifting plate is welded with a rack, one side of one stand column is fixedly provided with a support through a countersunk bolt, one side of the support is provided with a gear, the gear, a puncture head is fixed on one side of the telescopic rod close to the end part through a screw;

the inside of base slides and is provided with the slide bar, and the other end welding of slide bar has places the platform, place the top of platform and seted up the fixed slot.

Preferably, a sliding hole is formed in the base, and the sliding rod is embedded in the sliding hole.

Preferably, a telescopic groove is formed in the rotating rod, the telescopic rod is connected with the telescopic groove in a sliding mode, and a locking screw is arranged on one side of the rotating rod.

Preferably, a through groove is formed in the top plate, the lifting plate penetrates through the through groove, and limiting blocks are welded at two ends of the rack.

Preferably, the pressing plate is positioned right above the placing table.

Preferably, the bottom of placing the platform is installed the bearing, examine and to have seted up the screw on the platform, the inside threaded connection of screw has the screw rod, and a pot head of screw rod is established the inside of bearing, and the other end of screw rod passes through the bolt fastening and has the crank.

The utility model has the advantages that:

1. the utility model discloses in detect the compressive capacity of helmet and the resistance to puncture performance detection closes as an organic wholely, only adopt the intensity that a equipment just can accomplish the helmet to detect, reduced manufacturing cost.

2. The utility model discloses in through the setting of clamp plate, push rod, connecting rod, gear, rack, dwang isotructure, when cylinder promotion push rod made the clamp plate carry out the resistance to compression to the helmet and detect, utilize the rack simultaneous drive dwang of one side to rotate, and then make the puncture head bump to the helmet, can once only detect the compressive capacity and the anti puncture performance of helmet, production efficiency is showing and is promoting.

3. The utility model discloses in through the setting of base, crank, screw rod, slide bar, telescopic link isotructure, to the helmet of different dimensions, personnel can adjust the height of placing the platform and the volume that stretches out of telescopic link correspondingly, can be applicable to the helmet of all sizes, application scope is wider.

Drawings

Fig. 1 is a front view of a helmet strength detecting device according to the present invention;

fig. 2 is the utility model provides a helmet intensity detection device's A enlargements.

In the figure: the device comprises a supporting leg 1, a detection table 2, a crank 3, a column 4, a top plate 5, an air cylinder 6, a push rod 7, a connecting rod 8, a pressing plate 9, a support 10, a rotating rod 11, a telescopic rod 12, a puncture head 13, a lifting plate 14, a through groove 15, a rack 16, a gear 17, a screw 18, a base 19, a bearing 20, a placing table 21, a slide bar 22 and a fixing groove 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a helmet strength detection device comprises a support leg 1, wherein a detection table 2 is fixed on the top of the support leg 1 through a nut bolt, the top of the detection table 2 is fixedly connected with a stand column 4 and a base 19 which are symmetrically arranged through a hexagon screw in sequence, a top plate 5 is fixed on the top of the stand column 4 through a bolt, an air cylinder 6 is installed on the top of the top plate 5 through a bolt, a piston rod is arranged inside the air cylinder 6, the end of the piston rod is fixedly connected with a push rod 7, the end of the push rod 7 is welded with a pressing plate 9, a connecting rod 8 is fixed on one side of the push rod 7 through a screw, a lifting plate 14 is fixed on one side of the connecting rod 8 through a nut bolt, a rack 16 is welded on one side of the lifting plate 14, a support 10 is fixed on one side of one stand column, a rotating rod 11 is welded at the central shaft at one side of the gear 17, an expansion rod 12 is arranged in the rotating rod 11 in a sliding manner, and a puncture head 13 is fixed at one side of the expansion rod 12 close to the end part through a screw; the sliding rod 22 is arranged in the base 19 in a sliding mode, the placing table 21 is welded at the other end of the sliding rod 22, the fixing groove 23 is formed in the top of the placing table 21, the compression resistance detection and the puncture resistance detection of the helmet are integrated, the strength detection of the helmet can be completed only by one device, the production cost is reduced, through the arrangement of the structures such as the pressing plate 9, the push rod 7, the connecting rod 8, the gear 17, the rack 16 and the rotating rod 11, the compression resistance detection of the helmet can be performed by the pressing plate 9 through the pushing of the push rod 7 by the air cylinder 6, meanwhile, the rack 16 on one side is utilized to simultaneously drive the rotating rod 11 to rotate, further, the puncture head 13 impacts the helmet, the compression resistance and the puncture resistance of the helmet can be detected at one time, the production efficiency is remarkably improved, and aiming at the helmets with different sizes and specifications through the arrangement of the structures such as the base 19, the crank 3, personnel can correspondingly adjust the height of placing platform 21 and the amount that stretches out of telescopic link 12, can be applicable to all sizes of helmets, application scope is wider, the slide opening has been seted up to base 19's inside, slide bar 22 imbeds in the inside of slide opening, flexible groove has been seted up to the inside of dwang 11, telescopic link 12 and flexible groove's inside sliding connection, and one side of dwang 11 is equipped with locking screw, logical groove 15 has been seted up to the inside of roof 5, lifter plate 14 passes the inside of logical groove 15, and the both ends of rack 16 all weld the stopper, clamp plate 9 is located and places platform 21 directly over, place platform 21's bottom and install bearing 20, the screw has been seted up on examining test table 2, the inside threaded connection of screw rod 18, the pot head of screw rod 18 is established in bearing 20's inside, and the other end of screw rod 18 has crank 3.

In this embodiment, in operation, the user places the helmet to be detected inside the fixed slot 23, adopts the common fixed establishment in the market to fix the position of helmet, makes corresponding regulation to the part according to the model specification of helmet afterwards: firstly, the crank 3 is rotated to drive the screw rod 18 rigidly connected with the crank to rotate, and the height of the placing table 21 is changed by the extrusion of the screw rod 18, so that the placing height of the helmet is changed; secondly, manually adjusting the position of the telescopic rod 12, changing the extension amount of the telescopic rod 12 to ensure that the rotating rod 11 can impact the helmet after rotating, and screwing a locking screw at one side of the rotating rod 11 after the adjustment is finished so as to tightly press the inner telescopic rod 12 to keep the position of the telescopic rod 12 fixed;

further, during the detection, the cylinder 6 promotes push rod 7 by inside piston rod and moves down, make push rod 7 drive clamp plate 9 exert pressure to the top of helmet, can drive connecting rod 8 and the lifter plate 14 of rigid connection with it simultaneously when push rod 7 moves down simultaneously, rack 16 then can be used gear 17 to rotate when moving this moment, thereby drive dwang 11, telescopic link 12 and puncture head 13 rotate, when clamp plate 9 presses the top at the helmet, puncture head 13 just in time strikes the helmet, observe through the deformation to the helmet, judge with this whether qualified product.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The helmet strength detection device comprises support legs (1) and is characterized in that the top of each support leg (1) is fixedly provided with a detection table (2) through a nut bolt, the top of each detection table (2) is sequentially and symmetrically connected with a stand column (4) and a base (19) through hexagon screws, the top of each stand column (4) is fixedly provided with a top plate (5) through a bolt, the top of each top plate (5) is provided with a cylinder (6) through a bolt, a piston rod is arranged inside each cylinder (6), the end part of each piston rod is fixedly connected with a push rod (7), the end part of each push rod (7) is welded with a pressing plate (9), one side of each push rod (7) is fixedly provided with a connecting rod (8) through a screw, one side of each connecting rod (8) is fixedly provided with a lifting plate (14) through a nut bolt, and one, one side of one of the upright posts (4) is fixed with a support (10) through a countersunk bolt, one side of the support (10) is provided with a gear (17), the gear (17) is meshed with a rack (16) and connected, a rotating rod (11) is welded at the central shaft at one side of the gear (17), a telescopic rod (12) is arranged inside the rotating rod (11) in a sliding manner, and a puncture head (13) is fixed at one side of the telescopic rod (12) close to the end part through a screw;

the novel multifunctional table is characterized in that a sliding rod (22) is arranged inside the base (19) in a sliding mode, a placing table (21) is welded to the other end of the sliding rod (22), and a fixing groove (23) is formed in the top of the placing table (21).

2. The helmet strength detection device according to claim 1, wherein the base (19) has a slide hole therein, and the slide bar (22) is embedded in the slide hole.

3. The helmet strength detection device according to claim 1, wherein a telescopic groove is formed in the rotating rod (11), the telescopic rod (12) is slidably connected with the inside of the telescopic groove, and a locking screw is arranged on one side of the rotating rod (11).

4. The helmet strength detection device according to claim 1, wherein a through groove (15) is formed in the top plate (5), the lifting plate (14) penetrates through the through groove (15), and two ends of the rack (16) are welded with limiting blocks.

5. The helmet strength detection device according to claim 1, wherein the pressing plate (9) is located right above the placement table (21).

6. The helmet strength detection device according to claim 1, wherein a bearing (20) is installed at the bottom of the placement table (21), a screw hole is formed in the detection table (2), a screw rod (18) is connected to the screw hole through a thread, one end of the screw rod (18) is sleeved inside the bearing (20), and a crank (3) is fixed to the other end of the screw rod (18) through a bolt.