CN208366746U - A kind of helmet penetration resistance energy test device - Google Patents
A kind of helmet penetration resistance energy test device Download PDFInfo
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- CN208366746U CN208366746U CN201821093700.XU CN201821093700U CN208366746U CN 208366746 U CN208366746 U CN 208366746U CN 201821093700 U CN201821093700 U CN 201821093700U CN 208366746 U CN208366746 U CN 208366746U
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Abstract
The utility model discloses a kind of helmet penetration resistance energy test devices, belong to helmet test device technical field.Including anvil pedestal, bracket, steel-wire track, relieving mechanism, falling mechanism, lifting steel wire, elevating mechanism and head mold device；It is equipped between bracket, anvil pedestal, steel-wire track, relieving mechanism, falling mechanism, lifting steel wire and elevating mechanism；It further include altitude calibration mechanism, altitude calibration mechanism includes flexible rule box, tape measure, upper regulating mechanism and lower regulating mechanism, and flexible rule box is fixed at the lower end of the stand, and tape measure is fixed in flexible rule box, the tape head of tape measure is connect with upper regulating mechanism, and upper regulating mechanism is connected on relieving mechanism；Lower regulating mechanism is fixed on flexible rule box.The utility model utilizes altitude calibration mechanism, can be realized the accurate positioning of shock height, and to improve testing precision, while structure is simple, easy to operate, safety；Clear testing process, science, simple to operate, measuring accuracy and testing efficiency are high.
Description
Technical field
The utility model belongs to helmet test device technical field, specifically a kind of helmet penetration resistance energy test device.
Background technique
Fire helmet is important one of the individual protective equipment of fireman, can play effective guarantor to the head of fireman
Shield.And the penetration resistance of fire helmet can determine the pipe fitting technical indicator of fire helmet protective performance superiority and inferiority.China GA44-
Provide that fire helmet must be by the detection of penetration resistance energy in 2004 " fire helmet " professional standards.
Currently, the penetration resistance energy testing stand of fire helmet used in fire helmet industry is all the examination of drop type multifunction penetrability
Platform is tested, the lifting height of jump bit can not be accurately positioned, and the height and actual requirement when jump bit discharges have certain deviation, shadow
Ring measuring accuracy；In addition, relieving mechanism lifting is promoted using motor driven, lifting should not be controlled, and energy consumption is high.
Through retrieving, Chinese patent, application number: 201720197299.3, data of publication of application: 2017.09.19 discloses one
Kind motorcycle passenger helmet goggles strength test assessment system.The system can will be dropped hammer by the driving to motor and will be adjusted to
Then the height of adaptation falls and taps the goggles that the motorcycle passenger helmet being set on a mould to impact is followed closely in impact, come
Test the shock resistance of goggles；Infrared sensor drives the axis of two sides cylinder to stretch out after capturing signal, by rebound
The cylinder axis blocking being extended of dropping hammer drops hammer and prevents secondary pulse goggles, the single-impact motorcycle in good simulation reality
The goggles of occupant's helmet obtains accurate detection result；It drops hammer and is designed to dismountable two parts, convenient for from the bracket that drops hammer
It takes apart, dropping hammer for replacement different quality is convenient for, by the impact of varying strength to motorcycle passenger helmet goggles
Intensity assessed, understand the product quality of different manufacturers, at the same can mesh to supply different test products carry out shock-testings.
This can not be accurately positioned using the novel drop point height dropped hammer, and accurate penetration performance test can not be carried out to the helmet, and use
Motor driven is dropped hammer lifting, and height is difficult to control, and noise is big, energy consumption is high, easily breaks down.
Have again, Chinese patent, application number: 94200825.1, data of publication of application: 1994.10.12 discloses a kind of helmet
Conduit penetration experimental bench, by pulley, relieving mechanism, jump bit, strut, pillar, drop height label, stainless steel pipe, elevator
Structure, power supply, the helmet, head dummy mobile mechanism, mattess, sound and light display, release knob, release wirerope composition, column
On have at least two struts, be uniformly distributed bearing stainless steel pipe, there is upper and lower through slot on conduit, affixed the connecting rod of jump bit
It is upper that guide pin is housed, there is a pair of of groove in connecting rod, is respectively provided with spring and brush in groove；The hand handle of head dummy mobile mechanism and
Hand handle lead screw is connected with head dummy bracket and head dummy, there is dovetail guide on slide chair, and slide plate can move on slide chair.This is practical new
Type has many advantages, such as that jump bit drop point is accurate, and test head dummy angle, position is adjustable, but jump bit is promoted when the utility model use
Height can not be accurately positioned, test data poor reliability.
Utility model content
Utility model technical problems to be solved
For existing helmet penetration resistance energy testboard, jump bit hoisting depth can not be accurately positioned, and test data can
By the problem of property difference, the utility model provides a kind of helmet penetration resistance energy test device can using altitude calibration mechanism
Realize the accurate positioning of shock height, to improve testing precision, while structure is simple, easy to operate, safety；Test process is clear
Clear, scientific, simple to operate, measuring accuracy and testing efficiency are high.
Technical solution
To solve the above problems, technical solution provided by the utility model are as follows:
A kind of helmet penetration resistance energy test device, including anvil pedestal, bracket, steel-wire track, relieving mechanism, fall machine
Structure, lifting steel wire, elevating mechanism and head mold device；The bracket is framed, including two vertical columns and is located at top
Crossbeam, the bracket is fixed on vertically on the anvil pedestal, and the steel-wire track upper end is fixedly connected with the bracket, under
End is fixedly connected with the anvil pedestal, and the steel-wire track is two steel wires for being arranged in parallel and tensing vertically；The release
Mechanism and the falling mechanism are equipped on the steel-wire track, can be slided up and down along the steel-wire track；The lifting
Steel wire one end is fixedly connected with the relieving mechanism, and the other end is connect with the elevating mechanism, and middle part, which is detoured, to be arranged described
On the idler wheel of cantilever tip, the relieving mechanism and the falling mechanism can be promoted by controlling the elevating mechanism；Also wrap
Altitude calibration mechanism is included, the altitude calibration mechanism includes flexible rule box, tape measure, upper regulating mechanism and lower regulating mechanism, the volume
Ruler box is fixed on the pedestal lower end, and the tape measure is fixed in the flexible rule box, the tape head of the tape measure and it is described on
Regulating mechanism is fixedly connected, and the upper regulating mechanism is fixed on the relieving mechanism by connecting plate；The lower regulating mechanism
It is fixed on the flexible rule box.
Further, the upper regulating mechanism includes connecting rod I, casing I and tightening knob I；Described sleeve pipe I is set in described
On connecting rod I, the tightening knob I is screwed onto described sleeve pipe I, and is pushed against on the connecting rod I through described sleeve pipe I；It is described
I lower end of connecting rod is fixedly connected with the tape head of the tape measure；The one end of the connection board is fixedly connected with the relieving mechanism, separately
One end is fixedly connected with described sleeve pipe I.
Further, the lower regulating mechanism includes connecting rod II, casing II, tightening knob II and datum plate；The connecting rod
II is fixed on vertically on the flexible rule box, and described sleeve pipe II is set on the connecting rod II；The tightening knob II is screwed onto institute
It states on casing II, and is pushed against on the connecting rod II through described sleeve pipe II；Described datum plate one end and described sleeve pipe II are fixed
Connection, the other end extend to the front side of the tape of the tape measure.
Further, the relieving mechanism includes transverse slat I, guide pipe I and Electromagnetic lock；The guide pipe I is fixed respectively
In I left and right ends of transverse slat, the Electromagnetic lock is fixed on I middle part of transverse slat；The guide pipe I is set in the steel wire
On guide rail；Release switch is connected on the Electromagnetic lock.
Further, the falling mechanism includes transverse slat II, guide pipe II, vertical plate, lock card, stud and jump bit；It is described
Guide pipe II is separately fixed at II left and right ends of transverse slat, and is set on the steel-wire track；The vertical plate is fixed vertically
In II upper center of transverse slat, the lock card is fixed on the vertical plate upper end, and the Electromagnetic lock is matched up and down with the lock card
Close setting；The stud inversion is fixed in the middle part of II lower end of transverse slat, and the jump bit is screwed on the stud.
Further, the elevating mechanism includes fluted disc, reel, connecting shaft and rotational handle, the fluted disc and described
Reel is each attached in the connecting shaft, and the connecting shaft is connect with the bracket by bearing；The rotational handle is fixed
On the fluted disc；The lifting steel wire winding is on the reel.
Further, the elevating mechanism further includes block, shifting part and spring stop piece；The block is inclined at institute
It states above fluted disc, and upper end is flexibly connected with the bracket, lower end resists the gear teeth of the fluted disc；The shifting part becomes placed against
It is flexibly connected in the block side, and with the bracket；The spring stop piece is close to the shifting part setting.
Further, the head mold device includes head mould pedestal and head mould, and the head mould pedestal is fixed on the anvil vertically
On sewing platform base, and it is located at immediately below the falling mechanism；The head mould is movably connected in the head mould pedestal upper end.
Further, wherein: acceleration transducer is provided on the falling mechanism, the head mold device is provided with impact
Force snesor；Further include data processing terminal, the data processing terminal for receive and handle the acceleration transducer and
The test data of the shock sensors acquisition.
Beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of helmet penetration resistance energy test device provided by the utility model, is provided with altitude calibration mechanism, utilizes
Ruler box, tape measure, upper regulating mechanism and lower regulating mechanism are equipped with, and can be realized the accurate positioning of shock height, to improve
Testing precision, while structure is simple, easy to operate, safety；
(2) a kind of helmet penetration resistance energy test device provided by the utility model, utilizes connecting rod I, tape measure, I and of casing
Tightening knob I is equipped with, and completes preliminary Zero positioning, simple, convenient, high-efficient；Structure is simple, at low cost；
(3) a kind of helmet penetration resistance energy test device provided by the utility model utilizes connecting rod II, casing II, fastening
Being equipped with for knob II and datum plate, completes final Zero positioning, simple, convenient, high-efficient；Structure is simple, cost
It is low；
(4) a kind of helmet penetration resistance energy test device provided by the utility model, falling mechanism and relieving mechanism are led to
It crosses Electromagnetic lock and lock card (54) is cooperatively connected, structure is simple, and easy to operate, test process is more convenient, efficient；
(5) a kind of helmet penetration resistance energy test device provided by the utility model, is mentioned using elevating mechanism is manually controlled
Relieving mechanism is risen, so that lifting process is more stable, lifting height is more accurate controllable, while saving electric energy, reduces cost；
(6) a kind of helmet penetration resistance energy test device provided by the utility model, utilizes block, shifting part, spring catch
Piece and fluted disc are equipped with, and can be realized elevating mechanism lock function, while can also slowly fall using elevating mechanism
Falling mechanism completes Zero positioning, and structure is simple, easy to operate；
(7) a kind of helmet penetration resistance energy test device provided by the utility model, head mould pass through universal with head mould pedestal
Connector connection, head mould can be rotated, tilt, conveniently adjusting angle；
(8) a kind of helmet penetration resistance energy test device provided by the utility model is provided with acceleration transducer, impact
Force snesor and data processing terminal facilitate analysis test result, so that test more section for acquiring, storing test data
It learns, is accurate.
Detailed description of the invention
The structural schematic diagram of Fig. 1, the utility model；
The schematic perspective view of elevating mechanism in Fig. 2, the utility model；
The right view of elevating mechanism in Fig. 3, the utility model；
The position view of bracket upper roller in Fig. 4, the utility model；
The structure and cooperation schematic diagram of relieving mechanism, falling mechanism, altitude calibration mechanism in Fig. 5, the utility model；
The structural schematic diagram of altitude calibration mechanism in Fig. 6, the utility model；
The structural schematic diagram of head mold device in Fig. 7, the utility model；
The fit structure schematic diagram of fluted disc, connecting shaft and reel in Fig. 8, the utility model.
In attached drawing: 1, anvil pedestal；2, bracket；3, head mold device；4, relieving mechanism；5, falling mechanism；6, elevating mechanism；
7, altitude calibration mechanism；8, steel-wire track；9, steel wire is gone up and down；10, idler wheel；11, release switch；12, data processing terminal；31,
Head mould pedestal；32, head mould；41, transverse slat I；42, guide pipe I；43, Electromagnetic lock；51, transverse slat II；52, guide pipe II；53, it stands
Plate；54, lock card；55, stud；56, jump bit；61, fluted disc；62, reel；63, rotational handle；64, block；65, shifting part；
66, spring stop piece；67, connecting shaft；70, connecting plate；71, flexible rule box；72, tape measure；73, connecting rod I；74, casing I；75, fastening rotation
Button I；76, connecting rod II；77, casing II；78, tightening knob II；79, datum plate.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with accompanying drawings and embodiments.
Embodiment 1
A kind of helmet penetration resistance energy test device, as shown in Fig. 1,5,6, including anvil pedestal 1, bracket 2, steel-wire track
8, relieving mechanism 4, falling mechanism 5, lifting steel wire 9, elevating mechanism 6 and head mold device 3；The bracket 2 is framed, including two
The vertical column of root and the crossbeam positioned at top, the bracket 2 are fixed on vertically on the anvil pedestal 1, the steel-wire track 8
Upper end is fixedly connected with the bracket 2, and lower end is fixedly connected with the anvil pedestal 1, and the steel-wire track 8 is to set in parallel vertically
Two steel wires set and tensed；The relieving mechanism 4 and the falling mechanism 5 are equipped on the steel-wire track 8, can edge
The steel-wire track 8 slides up and down；Described 9 one end of lifting steel wire is fixedly connected with the relieving mechanism 4, the other end and the liter
Descending mechanism 6 connects, and middle part is detoured on the idler wheel 10 that 2 top of bracket is arranged in, can be with by controlling the elevating mechanism 6
The relieving mechanism 4 and the falling mechanism 5 are promoted, as shown in figure 4, the cross on 2 top of bracket is arranged in the idler wheel 10
Liang Shang；Further include altitude calibration mechanism 7, the altitude calibration mechanism 7 include flexible rule box 71, tape measure 72, upper regulating mechanism and under
Regulating mechanism, the flexible rule box 71 are fixed on the column lower end on 2 right side of bracket, and the tape measure 72 is fixed on the volume
In ruler box 71, the tape head of the tape measure 72 is fixedly connected with the upper regulating mechanism, and the upper regulating mechanism passes through connection
Plate 70 is fixed on the relieving mechanism 4；The lower regulating mechanism is fixed on the flexible rule box 71.
When testing helmet penetration resistance energy using the helmet penetration resistance energy test device in the present embodiment, steps are as follows:
Step 1: fixed helmet:
A, the test helmet is chosen, test position is indicated on the helmet；
B, the helmet is normally worn on a mold device 3, then adjusting head mold device 3 makes helmet test position upward；
Step 2: determining rule zero:
A, falling mechanism 5 is risen using elevating mechanism 6, makes jump bit tup apart from 200~300mm of the helmet；
B, then elevating mechanism 6 is recycled slowly to fall falling mechanism 5, makes 56 tup critical contact helmet top of jump bit
Portion, and latched position；
C, altitude calibration mechanism 7 is adjusted, determines rule zero, specific adjustment process are as follows: the upper regulating mechanism is first adjusted,
It is in scale zero and helmet vertex on tape measure 72 in same level height, then adjusts the lower regulating mechanism, make institute
It states the pointer on lower regulating mechanism and refers to the scale zero position on tape measure 72, is i.e. completion rule zero determines；
Step 4: shock-testing process:
A, elevating mechanism 6 is risen to test position height；
B, release switch 11 is pressed, the free steady fall impact helmets of falling mechanism 5 are made；
C, retest is twice；
Step 5: whether the observation helmet is pierced；
Step 6: off-test, repairing experiment data, and carry out respective record.
A kind of helmet penetration resistance energy test device of the present embodiment, utilizes ruler box 71, tape measure in altitude calibration mechanism 7
72, upper regulating mechanism and lower regulating mechanism are equipped with, and can be realized the accurate positioning of shock height, to improve test essence
Exactness, while structure is simple, easy to operate, safety.
Embodiment 2
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is the same as embodiment 1, different and improvements
It is, as shown in Figure 5,6, the upper regulating mechanism includes connecting rod I 73, casing I 74 and tightening knob I 75；I 74 sets of described sleeve pipe
It is located on the connecting rod I 73, the tightening knob I 75 is screwed onto described sleeve pipe I 74, and is pushed against through described sleeve pipe I 74
On the connecting rod I 73；I 73 lower end of connecting rod is fixedly connected with the tape head of the tape measure 72；Described 70 one end of connecting plate
It is fixedly connected with the relieving mechanism 4, the other end is fixedly connected with described sleeve pipe I 74.
When adjusting, the tightening knob I 75 is rotated, the locking to the connecting rod I 73 is unclamped, then moves up and down the company
Then bar I 73 rotates the fastening rotation until the scale zero and helmet vertex on the tape measure 72 are in same water height
Button I 75 locks the connecting rod I 73, that is, completes preliminary Zero positioning.
A kind of helmet penetration resistance energy test device of the present embodiment utilizes connecting rod I 73, tape measure 72, casing I 74 and tight
Gu knob I 75 is equipped with, preliminary Zero positioning is completed, it is simple, convenient, it is high-efficient；Structure is simple, at low cost.
Embodiment 3
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is the same as embodiment 2, different and improvements
It is, as shown in fig. 6, the lower regulating mechanism includes connecting rod II 76, casing II 77, tightening knob II 78 and datum plate 79；Institute
It states connecting rod II 76 to be fixed on vertically on the flexible rule box 71, described sleeve pipe II 77 is set on the connecting rod II 76；The fastening
Knob II 78 is screwed onto described sleeve pipe II 77, and is pushed against on the connecting rod II 76 through described sleeve pipe II 77；The benchmark
79 one end of plate is fixedly connected with described sleeve pipe II 77, and the other end extends to the front side of the tape of the tape measure 72.In the present embodiment, institute
Stating datum plate 79 is transparent plastic sheet or glass plate, is provided with horizontal location line on the datum plate 79, matches with the tape measure 72
It shares in indicating graduation.
When adjusting, after completing the regulating step in embodiment 2, the tightening knob II 78 is rotated, is unclamped to the connecting rod
II 76 locking moves up and down described sleeve pipe II 77, so that the horizontal location line on the datum plate 79 refers in the tape measure 72
On scale zero position, then rotate the tightening knob II 78 by II 77 position of described sleeve pipe lock, that is, complete final zero
Position calibration.
A kind of helmet penetration resistance energy test device of the present embodiment, utilizes connecting rod II 76, casing II 77, tightening knob II
78 and datum plate 79 be equipped with, complete final Zero positioning, it is simple, convenient, it is high-efficient；Structure is simple, cost
It is low.
Embodiment 4
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is any with embodiment 1 to 3, it is different and
It thes improvement is that, as shown in Figure 1,5, the relieving mechanism 4 includes transverse slat I 41, guide pipe I 42 and Electromagnetic lock 43；It is described
Guide pipe I 42 is separately fixed at I 41 left and right ends of transverse slat, and the Electromagnetic lock 43 is fixed on I 41 middle part of transverse slat；Institute
It states guide pipe I 42 to be set on the steel-wire track 8, the transverse slat I 41 is for fixing the Electromagnetic lock 43, the guide pipe
I 42, for cooperating with the steel-wire track 8, enable the relieving mechanism 4 freely up and down to slide along the steel-wire track 8；
Release switch 11 is connected on the Electromagnetic lock 43, the Electromagnetic lock 43 is connected with the release switch 11 by conducting wire,
The release switch 11 is unlocked for controlling the Electromagnetic lock 43.
Embodiment 5
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is any with embodiment 4, different and improvement
Place is that as shown in Figure 1,5, the falling mechanism 5 includes transverse slat II 51, guide pipe II 52, vertical plate 53, lock card 54, stud
55 and jump bit 56；The guide pipe II 52 is separately fixed at II 51 left and right ends of transverse slat, and is set in the steel wire and leads
On rail 8；The vertical plate 53 is fixed on II 51 upper center of transverse slat vertically, and the lock card 54 is fixed on the vertical plate 53
End, the Electromagnetic lock 43 are equipped with about 54 lock card；The inversion of stud 55 is fixed under the transverse slat II 51
End middle part, the jump bit 56 are screwed on the stud 55.The transverse slat II 51 is used to support the fixed vertical plate 53 and spiral shell
Column 55, the vertical plate 53 support the lock card 54 for installing, and the lock card 54 is bolted on 53 upper end of vertical plate,
It is easy to disassemble；For installing jump bit 56, the jump bit 56 is screwed on the stud 55 stud 55, it is easy to disassemble more
It changes.When promoting falling mechanism 5 in test process, the lock card 54 is locked on the Electromagnetic lock 43, utilizes 6 band of elevating mechanism
Dynamic lifting steel wire 9 promotes the relieving mechanism 4, and the relieving mechanism 4 drives the falling mechanism 5 to be promoted together, surveys when rising to
Stop and lock after examination position height, presses release switch 11 and control the unlock of Electromagnetic lock 43, the falling mechanism 5 is along institute
It states steel-wire track 8 to be fallen by free gravity, makes the impact of jump bit 56 on the helmet, i.e. the test of completion one-shot.
A kind of helmet penetration resistance energy test device of the present embodiment, passes through electromagnetic lock for falling mechanism 5 and relieving mechanism 4
Body 43 and lock card 54 are cooperatively connected, and structure is simple, and easy to operate, test process is more convenient, efficient.
Embodiment 6
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is any with embodiment 1 to 5, it is different and
It thes improvement is that, as shown in Fig. 2,3,8, the elevating mechanism 6 includes fluted disc 61, reel 62, connecting shaft 67 and rotation hand
Handle 63, the fluted disc 61 and the reel 62 are each attached in the connecting shaft 67, and the connecting shaft 67 and the bracket 2 are logical
Cross bearing connection；The rotational handle 63 is fixed on the fluted disc 61；The lifting steel wire 9 is wrapped in the reel 62
On.
It when promoting the relieving mechanism 4 using the elevating mechanism 6, holds rotational handle 63 and rotates clockwise, drive
The reel 62 rotates, and so that lifting steel wire 9 is wound on the reel 62, and then increase the relieving mechanism 4.
A kind of helmet penetration resistance energy test device of the present embodiment promotes institute using the elevating mechanism 6 is manually controlled
Relieving mechanism 4 is stated, so that lifting process is more stable, lifting height is more accurate controllable, while saving electric energy, reduces cost.
Embodiment 7
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is the same as embodiment 6, different and improvements
It is, as shown in Figure 2,3, the elevating mechanism 6 further includes block 64, shifting part 65 and spring stop piece 66；The block 64 inclines
Tiltedly it is arranged above the fluted disc 61, and upper end is flexibly connected with the bracket 2, lower end resists the gear teeth of the fluted disc 61, prevents
Only the fluted disc 61 rotates counterclockwise, and block 64 described in the present embodiment is connect with the bracket 2 by pin shaft；The shifting part
65 become placed against in 64 side of block, and are flexibly connected with the bracket 2, in the present embodiment, the shifting part 65 and institute
It states bracket 2 to connect by pin shaft, the shifting part 65 is located at 64 downside of the block, and stirring the shifting part 65 can will be described
Block 64 jacks up, and separates 64 lower end of block with the gear teeth of the fluted disc 61, to release the inverse time to the fluted disc 61
Needle locking；The spring stop piece 66 is close to the shifting part 65 and is arranged, and the shifting part 65 is withstood, and locks in the spring catch
Piece 66 avoids the shifting part 65 from swinging back and forth between the block 64.
When slowly falling falling mechanism 5 using elevating mechanism 6, as described in Figure 3, the shifting part 65, institute are stirred downwards
It states shifting part 65 to jack up the block 64, releases the locking to the fluted disc 61, then rotate counterclockwise the rotational handle
63, the falling mechanism 5 is slowly fallen to designated position, then unclamps the shifting part 65, and the block 64 is by gravity
The bottom clockwise blocks the gear teeth of the fluted disc 61, locks the fluted disc 61 again, that is, completes operation.
A kind of helmet penetration resistance energy test device of the present embodiment, using block 64, shifting part 65, spring stop piece 66 with
And fluted disc 61 is equipped with, and can be realized elevating mechanism 6 lock function, while can also slowly fall using elevating mechanism 6
Falling mechanism 5 completes Zero positioning, and structure is simple, easy to operate.
Embodiment 8
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is any with embodiment 1 to 7, it is different and
It thes improvement is that, as shown in fig. 7, the head mold device 3 includes head mould pedestal 31 and head mould 32, the head mould pedestal 31 passes through
Bolt is fixed on vertically on the anvil pedestal 1, and is located at immediately below the falling mechanism 5；The head mould 32 is movably connected in
31 upper end of head mould pedestal, head mould described in the present embodiment 32 is connect with the head mould pedestal 31 by universal joint, described
Head mould 32 can be rotated, tilt, conveniently adjusting angle.
Embodiment 9
A kind of helmet penetration resistance energy test device of the present embodiment, basic structure is any with embodiment 1 to 8, it is different and
It thes improvement is that, in which:
Acceleration transducer is provided on the falling mechanism 5, the head mold device 3 is provided with shock sensors；This
Acceleration transducer described in embodiment and the shock sensors are wireless transmission sensor, are not necessarily to wiring, the company of avoiding
The interference of pair of connecting wires test；
As shown in Figure 1, further including data processing terminal 12, the data processing terminal 12 is for receiving and handling described add
The test data of velocity sensor and shock sensors acquisition, in the present embodiment, the data processing terminal 12 is electricity
Brain is equipped with the test software with the acceleration transducer and shock sensors cooperation on the computer, for receiving,
Storing data.
The acceleration transducer and the shock sensors be respectively intended to acquisition falling mechanism 5 fall acceleration and
The impact force data of the correct mold device 3 of falling mechanism 5, and be sent to data processing terminal 12 and carry out analysis storage, facilitate analysis
Test result, so that test is more scientific, accurate.
It should be understood that common wireline sensor also can be used, at this time sensor by described in conducting wire with data processing
Terminal 12 connects.
Embodiment 10
A kind of helmet penetration resistance energy test device test helmet penetration resistance in Application Example 9 can method, step
Suddenly are as follows:
Step 1: fixed helmet:
A, the test helmet is chosen, test position is indicated on the helmet；
B, the helmet is normally worn on a mould 32, then head mould 32, which is tilted to, makes helmet test position upward；
56 type of jump bit is selected Step 2: determining: being chosen and is punctured jump bit；
Step 3: determining rule zero:
A, falling mechanism 5 is risen using elevating mechanism 6, makes 56 tup of jump bit apart from 200~300mm of the helmet；
B, falling mechanism 5 is slowly fallen using elevating mechanism 6, made at the top of the 56 tup critical contact helmet of jump bit；
C, altitude calibration mechanism 7 is adjusted, determines rule zero, specific steps are as follows: rotates the tightening knob I 75, unclamps
Then locking to the connecting rod I 73 moves up and down the connecting rod I 73, until scale zero and the helmet on the tape measure 72
Vertex is in same water height, is then rotated the tightening knob I 75 and is locked the connecting rod I 73, that is, completes preliminary zero-bit mark
It is fixed, the tightening knob II 78 is then rotated, the locking to the connecting rod II 76 is unclamped, moves up and down described sleeve pipe II 77, make
The horizontal location line obtained on the datum plate 79 refers to the scale zero position on the tape measure 72, then rotates the fastening rotation
Button II 78 locks II 77 position of described sleeve pipe, that is, completes final Zero positioning；
Step 4: shock-testing process:
A, elevating mechanism 6 is risen to test position height；
B, release switch 11 is pressed, the free steady fall impact helmets of falling mechanism 5 are made；
C, retest is twice；
Step 5: whether observation jump bit 56 penetrates the helmet and contacts with head mould 32；
Step 6: off-test, repairing experiment data, and carry out respective record.
A kind of helmet penetration resistance energy test method of the present embodiment, clear testing process, science are simple to operate,
Measuring accuracy and testing efficiency are high.
Embodiment 11
A kind of helmet penetration resistance energy test method is different from embodiment 10 and the improvement is that: the step 3
In step C in adjustment altitude calibration mechanism 7 determine rule zero specific steps are as follows:
The tightening knob II 78 is rotated, the locking to the connecting rod II 76 is unclamped, moves up and down described sleeve pipe II 77, make
The horizontal location line and helmet vertex obtained on the datum plate 79 is in same water height, then rotates the tightening knob II
78 lock II 77 position of described sleeve pipe, that is, complete preliminary Zero positioning；Then the tightening knob I 75 is rotated, is unclamped to institute
The locking of connecting rod I 73 is stated, the connecting rod I 73 is then moved up and down, until the horizontal location line on the datum plate 79 refers in institute
It states in the scale zero on tape measure 72, then rotates the tightening knob I 75 and lock the connecting rod I 73, that is, complete final zero-bit
Calibration.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (9)
1. a kind of helmet penetration resistance energy test device, including anvil pedestal (1), bracket (2), steel-wire track (8), relieving mechanism
(4), falling mechanism (5), lifting steel wire (9), elevating mechanism (6) and head mold device (3)；The bracket (2) is fixed on institute vertically
It states on anvil pedestal (1), steel-wire track (8) upper end is fixedly connected with the bracket (2), lower end and the anvil pedestal
(1) it is fixedly connected, the relieving mechanism (4) and the falling mechanism (5) are equipped on the steel-wire track (8)；It is described
Lifting steel wire (9) one end is fixedly connected with the relieving mechanism (4), and the other end is connect with the elevating mechanism (6), and middle part is detoured
It is being arranged on the idler wheel (10) on the bracket (2) top；It is characterized by also including altitude calibration mechanism (7), the height
Correcting mechanism (7) includes flexible rule box (71), tape measure (72), upper regulating mechanism and lower regulating mechanism, and the flexible rule box (71) is fixed
In the bracket (2) lower end, the tape measure (72) is fixed in the flexible rule box (71), the tape head of the tape measure (72) with
The upper regulating mechanism is fixedly connected, and the upper regulating mechanism is fixed on the relieving mechanism (4) by connecting plate (70)；Institute
Lower regulating mechanism is stated to be fixed on the flexible rule box (71).
2. a kind of helmet penetration resistance energy test device according to claim 1, it is characterised in that: the upper regulating mechanism
Including connecting rod I (73), casing I (74) and tightening knob I (75)；Described sleeve pipe I (74) is set on the connecting rod I (73), institute
It states tightening knob I (75) to be screwed onto described sleeve pipe I (74), and is pushed against the connecting rod I (73) through described sleeve pipe I (74)
On；Connecting rod I (73) lower end is fixedly connected with the tape head of the tape measure (72)；Described connecting plate (70) one end with it is described
Relieving mechanism (4) is fixedly connected, and the other end is fixedly connected with described sleeve pipe I (74).
3. a kind of helmet penetration resistance energy test device according to claim 2, it is characterised in that: the lower regulating mechanism
Including connecting rod II (76), casing II (77), tightening knob II (78) and datum plate (79)；The connecting rod II (76) is fixed on vertically
On the flexible rule box (71), described sleeve pipe II (77) is set on the connecting rod II (76)；The tightening knob II (78) is spirally connected
It is pushed against on the connecting rod II (76) in described sleeve pipe II (77), and through described sleeve pipe II (77)；The datum plate (79)
One end is fixedly connected with described sleeve pipe II (77), and the other end extends to the front side of the tape of the tape measure (72).
4. a kind of helmet penetration resistance energy test device according to claim 1, it is characterised in that: the relieving mechanism
It (4) include transverse slat I (41), guide pipe I (42) and Electromagnetic lock (43)；The guide pipe I (42) is separately fixed at the transverse slat I
(41) left and right ends, the Electromagnetic lock (43) are fixed in the middle part of the transverse slat I (41)；The guide pipe I (42) is set in institute
It states on steel-wire track (8)；Release switch (11) are connected on the Electromagnetic lock (43).
5. a kind of helmet penetration resistance energy test device according to claim 4, it is characterised in that: the falling mechanism
It (5) include transverse slat II (51), guide pipe II (52), vertical plate (53), lock card (54), stud (55) and jump bit (56)；It is described to lead
Transverse slat II (51) left and right ends are separately fixed to pipe II (52), and are set on the steel-wire track (8)；The vertical plate
(53) it is fixed on transverse slat II (51) upper center vertically, the lock card (54) is fixed on the vertical plate (53) upper end, described
Electromagnetic lock (43) is equipped with up and down with the lock card (54)；The stud (55) is inverted and is fixed under the transverse slat II (51)
End middle part, the jump bit (56) are screwed on the stud (55).
6. a kind of helmet penetration resistance energy test device according to claim 1, it is characterised in that: the elevating mechanism
It (6) include fluted disc (61), reel (62), connecting shaft (67) and rotational handle (63), the fluted disc (61) and the reel
(62) it is each attached on the connecting shaft (67), the connecting shaft (67) is connect with the bracket (2) by bearing；The rotation
Handle (63) is fixed on the fluted disc (61)；The lifting steel wire (9) is wrapped on the reel (62).
7. a kind of helmet penetration resistance energy test device according to claim 6, it is characterised in that: the elevating mechanism
It (6) further include block (64), shifting part (65) and spring stop piece (66)；The block (64) is inclined at the fluted disc (61)
Top, and upper end is flexibly connected with the bracket (2), lower end resists the gear teeth of the fluted disc (61)；Shifting part (65) patch
Tight setting is flexibly connected in the block (64) side, and with the bracket (2)；The spring stop piece (66) is stirred described in being close to
Part (65) setting.
8. a kind of helmet penetration resistance energy test device according to claim 1, it is characterised in that: the head mold device
It (3) include head mould pedestal (31) and head mould (32), the head mould pedestal (31) is fixed on vertically on the anvil pedestal (1), and
Immediately below the falling mechanism (5)；The head mould (32) is movably connected in head mould pedestal (31) upper end.
9. a kind of helmet penetration resistance energy test device according to any one of claims 1 to 8, which is characterized in that wherein:
Acceleration transducer is provided on the falling mechanism (5), the head mold device (3) is provided with shock sensors；
It further include data processing terminal (12), the data processing terminal (12) is for receiving and handling the acceleration transducer
With the test data of shock sensors acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093700.XU CN208366746U (en) | 2018-07-11 | 2018-07-11 | A kind of helmet penetration resistance energy test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093700.XU CN208366746U (en) | 2018-07-11 | 2018-07-11 | A kind of helmet penetration resistance energy test device |
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| Publication Number | Publication Date |
|---|---|
| CN208366746U true CN208366746U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821093700.XU Active CN208366746U (en) | 2018-07-11 | 2018-07-11 | A kind of helmet penetration resistance energy test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060563A (en) * | 2018-07-11 | 2018-12-21 | 上海赞瑞实业有限公司 | A kind of helmet penetration resistance energy test device and test method |
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2018
- 2018-07-11 CN CN201821093700.XU patent/CN208366746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060563A (en) * | 2018-07-11 | 2018-12-21 | 上海赞瑞实业有限公司 | A kind of helmet penetration resistance energy test device and test method |
| CN109060563B (en) * | 2018-07-11 | 2024-01-30 | 上海赞瑞实业有限公司 | Device and method for testing penetration resistance of helmet |
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