CN113884436A - Anti-friction detection device based on lateral impact falling type safety helmet - Google Patents
Anti-friction detection device based on lateral impact falling type safety helmet Download PDFInfo
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- CN113884436A CN113884436A CN202111135188.7A CN202111135188A CN113884436A CN 113884436 A CN113884436 A CN 113884436A CN 202111135188 A CN202111135188 A CN 202111135188A CN 113884436 A CN113884436 A CN 113884436A
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 31
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
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- 238000003780 insertion Methods 0.000 claims 2
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- 208000027418 Wounds and injury Diseases 0.000 abstract description 7
- 208000014674 injury Diseases 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
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Abstract
The invention relates to a detection device, in particular to an anti-friction detection device based on a side impact type safety helmet. It includes installation device and the testing arrangement of setting in the installation device top, installation device includes the mobile station, the surface of mobile station is seted up flutedly, should hit down the anti friction detection device of formula safety helmet based on side, through the record mechanism who sets up, can take notes the sunken degree of depth of safety helmet when the test, make people can audio-visually know the protective properties of safety helmet to the head, need not using extra stage property, solved and need know whether the safety helmet causes the injury to human head before damaging, will use the model to test, use the model although can audio-visually know the injury that the safety helmet caused when damaging, nevertheless the model just can't continue to use after receiving the damage, just can only change the model if need continue the test, need purchase a large amount of models, the problem of detection cost has undoubtedly increased.
Description
Technical Field
The invention relates to a detection device, in particular to an anti-friction detection device based on a side impact type safety helmet.
Background
The safety helmet is a hat which can protect the head of a person from being hurt by falling objects and other specific factors. The safety helmet consists of a helmet shell, a helmet liner, a chin strap, accessories and the like.
The safety helmet needs to carry out intensity detection to it after finishing production, present detection mode is to test the safety helmet through heavy object free fall, but this method can only learn whether the safety helmet is damaged, if need know the safety helmet before damaging whether cause the injury to human head, will use the model to test, use the model although can audio-visual understanding the injury that the safety helmet caused the head when damaging, the model just can't continue to use after receiving the damage, just can only change the model if need continue to test, need purchase a large amount of models, the detection cost has increased undoubtedly.
Disclosure of Invention
The invention aims to provide an anti-friction detection device based on a side-impact-type safety helmet, which aims to solve the problems in the background technology.
For realizing above-mentioned purpose, provide and hit anti friction detection device of formula safety helmet based on side, including installation device and the testing arrangement of setting in the installation device top, installation device includes the mobile station, the surface of mobile station is seted up flutedly, the top of mobile station is connected with a supporting bench, the bottom outer wall of supporting bench is provided with the electro-magnet, the bottom outer wall connection of electro-magnet has the connecting block, the bottom of connecting block is connected with the balancing weight, testing arrangement includes at least:
the moving mechanism comprises a connecting plate which slides in the groove, supporting columns are connected to four corners of the top of the connecting plate, a supporting block is arranged at the top of the connecting plate, a plurality of sliding grooves are formed in the outer wall of the supporting block, and a mounting groove communicated with the sliding grooves is formed in the outer wall of the supporting block;
the recording mechanism comprises a connecting rod and an installation rod, the connecting rod slides in the sliding groove, a compression spring is arranged at the bottom of the connecting rod, a sliding cavity is formed in the side wall of the connecting rod, a reset spring is arranged in the sliding cavity, one end of the reset spring is connected with a clamping block, one end of the clamping block is obliquely arranged, the inclined plane faces downwards, the clamping block slides in the sliding cavity, the installation rod is installed in the installation groove, and a plurality of slots are formed in the side wall of the installation rod in an inserted mode with the clamping block.
As a further improvement of the technical scheme, threaded columns are rotatably connected to two sides of the mobile station in the grooves and penetrate through the connecting plate to be in threaded connection with the connecting plate.
As a further improvement of the technical scheme, the four corners of the surface of the mobile station are provided with slide ways, the slide ways are internally provided with first electric push rods, and the movable ends of the first electric push rods are connected with the bottom of the supporting table.
As a further improvement of the technical scheme, the bottom of the balancing weight is in threaded connection with a threaded rod, one end of the threaded rod is of a conical structure, and a clamping groove is formed in one end of the threaded rod.
As a further improvement of the technical scheme, the surface of the connecting plate is provided with a threaded through hole at the position of the supporting column, the supporting column is in threaded connection with the threaded through hole, and the mobile station is provided with a mobile cavity at the bottom of the groove.
As a further improvement of the technical scheme, an operation cavity communicated with the sliding cavity is formed in the connecting rod, a pull rod is arranged in the operation cavity, one end of the pull rod is connected with the top of the clamping block, and the other end of the pull rod penetrates through the connecting rod and is in sliding connection with the connecting rod.
As a further improvement of this technical scheme, the fixed plate is installed to one side of brace table, second electric putter is installed to the lateral wall of fixed plate, the lateral wall sliding connection of fixed plate has the loading board, the surface mounting of loading board has driving motor, driving motor's lateral wall is connected with second electric putter's expansion end, driving motor's output shaft one end is passed the brace table and is connected with the driving gear, the surface rotation of brace table is connected with the carousel, the surface of carousel be provided with driving gear engaged with driven gear, the carousel in-connection has first connecting rope, the through-hole has been seted up on the surface of brace table, the one end of first connecting rope is passed through the through-hole and the electro-magnet is connected with the connecting block.
As a further improvement of the technical scheme, a roller is rotationally connected in the through hole and is rotationally connected with the first connecting rope.
As a further improvement of the technical scheme, one end of the pull rod is provided with a sliding hole, and a round rod is connected in the sliding hole in a sliding manner.
As a further improvement of this technical scheme, the sliding tray has been seted up at the top of installation pole, sliding connection has the spliced pole in the sliding tray, the outer wall of spliced pole upper branch is provided with the feedback coating, the bottom of spliced pole is provided with the installation spring, the rope is connected to the bottom fixedly connected with second of spliced pole, the one end of second connection rope pass the installation spring with the installation pole and with the bottom fixed connection of connecting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. this hit anti friction detection device of formula safety helmet based on side, record mechanism through the setting, can take notes the sunken degree of depth of safety helmet when the test, make people can audio-visually know the protective properties of safety helmet to the head, need not using extra stage property, whether solved and need know the safety helmet before damaging when leading to the fact the injury to human head, will use the model to test, use the model although can audio-visually know the injury that the safety helmet caused the head when damaging, the model just can't continue to use after receiving the damage, just can only change the model if need continue to test, need purchase a large amount of models, the problem of detection cost has undoubtedly been increased.
2. In this based on anti friction detection device of formula safety helmet is hit down to side, through the pull rod that sets up, the pull rod drives the fixture block and removes, and the fixture block removes and breaks away from the slot, and the compression spring that compresses this moment promotes the connecting rod through the elasticity of self and resets to be convenient for reset fast to the connecting rod.
3. In this based on side hits anti friction detection device of formula safety helmet that falls, through the first connecting rope that sets up, can carry on spacingly to the position of balancing weight, prevent that the balancing weight from joining in marriage the safety helmet and bounce and cause the injury to crowd on every side.
4. In this anti friction detection device of formula safety helmet based on side is hit down, through the spliced pole that sets up, when the connecting rod moved down, the spliced pole rose and made the feedback coating expose to people judge the position and the degree of depth that the connecting rod moved down through observing the feedback coating on the connecting rod.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a mobile station according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of a support table according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of a connecting block structure according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural diagram of a testing apparatus according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a moving mechanism according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of a recording mechanism according to embodiment 1 of the present invention;
FIG. 8 is a schematic sectional view of a connecting rod structure according to embodiment 1 of the present invention;
FIG. 9 is a schematic structural diagram of a turntable according to embodiment 2 of the present invention;
FIG. 10 is a schematic view of a drawbar arrangement according to embodiment 3 of the present invention;
fig. 11 is a sectional view of a mounting bar structure according to embodiment 4 of the present invention.
The various reference numbers in the figures mean:
100. a mounting device;
110. a mobile station; 111. a groove; 112. a threaded post; 113. a slideway; 114. a first electric push rod; 115. moving the cavity;
120. a support table; 121. an electromagnet; 122. connecting blocks; 123. a balancing weight; 124. a threaded rod; 125. a card slot;
130. a fixing plate; 131. a second electric push rod; 132. a carrier plate; 133. a drive motor; 134. a driving gear; 135. a turntable; 136. a driven gear; 137. a first connecting rope; 138. a through hole; 139. a roller;
200. a testing device;
210. a moving mechanism; 211. a connecting plate; 212. a support pillar; 213. a support block; 214. a chute; 215. mounting grooves; 216. perforating the threads;
220. a recording mechanism; 221. a connecting rod; 222. a compression spring; 223. a return spring; 224. a clamping block; 225. a pull rod; 226. a round bar;
230. mounting a rod; 231. a slot; 232. a sliding groove; 233. connecting columns; 234. a feedback coating; 235. installing a spring; 236. a second connecting rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Please refer to fig. 1-8, provide anti-friction detection device based on side formula of hitting safety helmet that falls, including installation device 100 and the testing arrangement 200 of setting in installation device 100 top, installation device 100 includes mobile station 110, the surface of mobile station 110 is seted up fluted 111, the top of mobile station 110 is connected with a supporting bench 120, the bottom outer wall of supporting bench 120 is provided with electro-magnet 121, the bottom outer wall of electro-magnet 121 is connected with connecting block 122, the bottom of connecting block 122 is connected with balancing weight 123, preferably adopt threaded connection between balancing weight 123 and the connecting block 122, so that change the balancing weight 123 of different quality, testing arrangement 200 includes at least:
the moving mechanism 210 comprises a connecting plate 211 sliding in the groove 111, the position of the supporting block 213 can be changed by sliding of the connecting rod 221 so as to test safety helmets at different positions, when the side edge of the safety helmet is tested, the force of the counterweight block 123 falling and impacting with the side edge of the safety helmet can be called as friction detection, supporting columns 212 are connected to four corners of the top of the connecting plate 211, the supporting block 213 is arranged at the top of the connecting plate 211, a plurality of sliding grooves 214 are formed in the outer wall of the supporting block 213, and mounting grooves 215 communicated with the sliding grooves 214 are formed in the outer wall of the supporting block 213;
When the mounting device 100 and the testing device 200 of this embodiment are used specifically, the safety helmet is sleeved on the outer wall of the supporting block 213, the outer ring of the safety helmet is attached to the top of the supporting column 212, the electromagnet 121 is powered off, the magnetism of the electromagnet 121 disappears, at this time, the connecting block 122 begins to fall under the action of gravity, the electromagnet 121 drives the weight block 123 to fall, the weight block 123 falls into contact with the safety helmet, the impact force generated by the falling of the weight block 123 causes the safety helmet to deform, the deformed part contacts with the connecting rod 221, the connecting rod 221 begins to move downwards under the action of the force generated by the deformation of the safety helmet, the inclined surface of the fixture block 224 contacts with the slot 231 during the moving process, the fixture block 224 moves into the sliding cavity, the fixture block 224 moves to compress the return spring 223, when the downward moving force of the connecting rod 221 reaches the limit, the return spring 223 pushes the fixture block 224 through the elasticity of the return spring, the fixture block 224 moves to be inserted into the slot 231, the realization is spacing to connecting rod 221, takes out the safety helmet this moment and can observe the dynamics that the safety helmet received when the friction striking, can audio-visually know the protective force of safety helmet to the head through the degree of depth of observing connecting rod 221 moves down.
In addition, in order to facilitate the control of the accuracy of the moving distance of the connecting plate 211, the two sides of the mobile station 110 are positioned in the groove 111 and are rotatably connected with the threaded columns 112, the threaded columns 112 penetrate through the connecting plate 211 and are in threaded connection with the connecting plate, when the position needs to be adjusted, the threaded columns 112 are rotated, the threaded columns 112 rotate to drive the connecting plate 211 to move through the screwing force, and the problem that the distance is not conveniently controlled by pushing the connecting plate 211 with hands is solved.
Further, in order to realize the detection to different dynamics, slide 113 has been seted up to the surperficial four corners of mobile station 110, be provided with first electric putter 114 in the slide 113, first electric putter 114's expansion end is connected with the bottom of propping up supporting bench 120, when the impact force when dropping of balancing weight 123 is adjusted to needs, put through slide 113 power, slide 113's expansion end removes and drives supporting bench 120 and remove, the pending balancing weight 123 of supporting bench 120 removes, the higher impact force when dropping that is represented of highly high height of balancing weight 123 is stronger, otherwise then the impact force is weaker.
Still further, in order to realize the variety that detects the safety helmet, the bottom threaded connection of balancing weight 123 has threaded rod 124, the one end of threaded rod 124 is the toper structure, draw-in groove 125 has been seted up to the one end of threaded rod 124, when needs carry out the puncture to the safety helmet and examine time measuring, insert hexagonal spanner in draw-in groove 125, threaded rod 124 rotates and breaks away from balancing weight 123 for the conical part of threaded rod 124 exposes, when balancing weight 123 drops, threaded rod 124 pounces to the safety helmet, the realization is detected the puncture of safety helmet.
Specifically, in order to test the head protection performance when the helmet is not normally worn, the threaded through hole 216 is formed in the position, located at the supporting column 212, of the surface of the connecting plate 211, the supporting column 212 is in threaded connection with the threaded through hole 216, the moving table 110 is located at the bottom of the groove 111, the moving cavity 115 is formed in the position, located at the bottom of the groove 111, of the moving table, the supporting column 212 is rotated, the supporting column 212 starts to move downwards through the screwing force between the supporting column 212 and the threaded through hole 216, the supporting column 212 moves downwards into the moving cavity 115, and the periphery of the helmet is not fixed at the moment, so that the helmet can be used for simulating the situation that workers do not fix the chin strap at the chin.
In addition, in order to realize the quick reset of the connecting rod 221, an operation cavity communicated with the sliding cavity is formed in the connecting rod 221, a pull rod 225 is arranged in the operation cavity, one end of the pull rod 225 is connected with the top of the fixture block 224, the other end of the pull rod 225 penetrates through the connecting rod 221 and is in sliding connection with the connecting rod, when the quick reset is needed, the pull rod 225 is pulled, the fixture block 224 is driven by the pull rod 225 to move, the fixture block 224 moves to be separated from the slot 231, and the compressed compression spring 222 pushes the connecting rod 221 to reset through the elasticity of the compression spring 222.
Example 2
In order to limit the counterweight 123, the following improvements are made on the basis of embodiment 1:
referring to fig. 9, a fixing plate 130 is installed at one side of a support table 120, a second electric push rod 131 is installed at a side wall of the fixing plate 130, a bearing plate 132 is slidably connected to a side wall of the fixing plate 130, a driving motor 133 is installed on a surface of the bearing plate 132, a side wall of the driving motor 133 is connected to a movable end of the second electric push rod 131, one end of an output shaft of the driving motor 133 passes through the support table 120 and is connected to a driving gear 134, a rotary table 135 is rotatably connected to a surface of the support table 120, a driven gear 136 engaged with the driving gear 134 is disposed on a surface of the rotary table 135, a first connecting rope 137 is connected to the rotary table 135, a through hole 138 is formed in the surface of the support table 120, one end of the first connecting rope 137 passes through the through hole 138 and is connected to a connecting block 122 via an electromagnet 121, when the connecting block 122 needs to fall, a power source of the second electric push rod 131 is connected, the movable end of the second electric push rod 131 drives the driving motor 133 to move, the driving motor 133 drives the driving gear 134 to move, the connecting block 122 drops and moves down to drive the first connecting rope 137, the first connecting rope 137 drives the turntable 135 to rotate, after the balancing weight 123 is contacted with the safety helmet, the first connecting rope 137 limits the balancing weight 123, so that the balancing weight 123 cannot be popped up by the safety helmet, and the people around the balancing weight 123 are prevented from being injured, when the balancing weight 123 needs to be attached to the electromagnet 121, the movable end of the second electric push rod 131 pushes the driving motor 133, the driving motor 133 drives the driving gear 134 to be meshed with the driven gear 136, the output shaft of the driving motor 133 rotates to drive the driving gear 134, the driving gear 134 drives the driven gear 136, the driven gear 136 drives the turntable 135, the turntable 135 rotates to roll up the first connecting rope 137, the first connecting rope 137 drives the connecting block 122 to move up to the electromagnet 121, and the electromagnet 121 is electrified to suck up the connecting block 122.
Still further, in order to reduce the friction between the through hole 138 and the first connecting rope 137, the roller 139 is rotatably connected in the through hole 138, the roller 139 is rotatably connected with the first connecting rope 137, the contact area between the first connecting rope 137 and the through hole 138 is reduced by the roller 139, so that the friction between the through hole 138 and the first connecting rope 137 is reduced, and the smoothness of the first connecting rope 137 during sliding is improved.
Example 3
In order to prevent the too long pull rod 225 from affecting the surrounding connecting rod 221, the following modifications are made on the basis of embodiment 1:
referring to fig. 10, one end of the pull rod 225 is provided with a sliding hole, and a round rod 226 is slidably connected in the sliding hole, so that when the connecting rod 221 needs to be reset, the round rod 226 is slid into the pull rod 225, thereby reducing the space occupied by the pull rod 225.
Example 4
In order to facilitate people to quickly observe the position of the connection plate 211 moving downwards, the following improvements are made on the basis of the embodiment 1:
referring to fig. 11, a sliding groove 232 is formed at the top of the mounting rod 230, a connecting column 233 is slidably connected in the sliding groove 232, a feedback coating 234 is disposed on the outer wall of the upper portion of the connecting column 233, the feedback coating 234 is of a gradient color structure, the top color is the lightest, the bottom color is the darkest, a mounting spring 235 is disposed at the bottom of the connecting column 233, a second connecting rope 236 is fixedly connected to the bottom of the connecting column 233, one end of the second connecting rope 236 passes through the mounting spring 235 and the mounting rod 230 and is fixedly connected to the bottom of the connecting rod 221, when the connecting rod 221 moves downwards, the mounting spring 235 drives the connecting column 233 to move upwards through its own elasticity, the distance of the downward movement of the connecting rod 221 is the same as the distance of the upward movement of the connecting column 233 through the second connecting rope 236, the feedback coating 234 is exposed when the connecting column 233 is lifted, and at this time, people can observe the feedback coating 234 to judge the position and the depth of the downward movement of the connecting rod 221.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Based on anti detection device that rubs of side formula of hitting safety helmet, its characterized in that: including installation device (100) and testing arrangement (200) of setting in installation device (100) top, installation device (100) are including mobile station (110), the surface of mobile station (110) is seted up fluted (111), the top of mobile station (110) is connected with brace table (120), the bottom outer wall of brace table (120) is provided with electro-magnet (121), the bottom outer wall of electro-magnet (121) is connected with connecting block (122), the bottom of connecting block (122) is connected with balancing weight (123), testing arrangement (200) include at least:
the moving mechanism (210) comprises a connecting plate (211) which slides in the groove (111), supporting columns (212) are connected to four corners of the top of the connecting plate (211), supporting blocks (213) are arranged on the top of the connecting plate (211), a plurality of sliding grooves (214) are formed in the outer wall of each supporting block (213), and mounting grooves (215) communicated with the sliding grooves (214) are formed in the outer wall of each supporting block (213);
the recording mechanism (220) comprises a connecting rod (221) and an installation rod (230), the connecting rod (221) slides in the sliding groove (214), a compression spring (222) is arranged at the bottom of the connecting rod (221), a sliding cavity is formed in the side wall of the connecting rod (221), a return spring (223) is arranged in the sliding cavity, one end of the return spring (223) is connected with a clamping block (224), one end of the clamping block (224) is obliquely arranged and faces downwards, the clamping block (224) slides in the sliding cavity, the installation rod (230) is installed in the installation groove (215), and a plurality of insertion grooves (231) are formed in the side wall of the installation rod (230) and are connected with the clamping block (224) in an insertion mode.
2. The anti-friction detection device based on the side-impact-type safety helmet according to claim 1, characterized in that: and the two sides of the mobile station (110) are positioned in the grooves (111) and are rotationally connected with threaded columns (112), and the threaded columns (112) penetrate through the connecting plate (211) and are in threaded connection with the connecting plate.
3. The anti-friction detection device based on the side-impact-type safety helmet according to claim 1, characterized in that: slide ways (113) are arranged at four corners of the surface of the mobile platform (110), a first electric push rod (114) is arranged in each slide way (113), and the movable end of each first electric push rod (114) is connected with the bottom of the support platform (120).
4. The anti-friction detection device based on the side-impact-type safety helmet according to claim 1, characterized in that: the bottom threaded connection of balancing weight (123) has threaded rod (124), the one end of threaded rod (124) is the toper structure, draw-in groove (125) have been seted up to the one end of threaded rod (124).
5. The anti-friction detection device based on the side-impact-type safety helmet according to claim 1, characterized in that: the surface of the connecting plate (211) is provided with a threaded through hole (216) at the position of the supporting column (212), the supporting column (212) is in threaded connection with the threaded through hole (216), and the mobile station (110) is provided with a mobile cavity (115) at the bottom of the groove (111).
6. The anti-friction detection device based on the side-impact-type safety helmet according to claim 1, characterized in that: an operation cavity communicated with the sliding cavity is formed in the connecting rod (221), a pull rod (225) is arranged in the operation cavity, one end of the pull rod (225) is connected with the top of the clamping block (224), and the other end of the pull rod (225) penetrates through the connecting rod (221) and is in sliding connection with the connecting rod.
7. The anti-friction detection device based on the side-impact-type safety helmet according to claim 1, characterized in that: a fixing plate (130) is arranged on one side of the supporting platform (120), a second electric push rod (131) is arranged on the side wall of the fixing plate (130), the side wall of the fixing plate (130) is connected with a bearing plate (132) in a sliding way, the surface of the bearing plate (132) is provided with a driving motor (133), the side wall of the driving motor (133) is connected with the movable end of the second electric push rod (131), one end of an output shaft of the driving motor (133) penetrates through the support platform (120) and is connected with a driving gear (134), the surface of the supporting platform (120) is rotationally connected with a turntable (135), the surface of the turntable (135) is provided with a driven gear (136) meshed with the driving gear (134), a first connecting rope (137) is connected in the turntable (135), a through hole (138) is arranged on the surface of the support table (120), one end of the first connecting rope (137) passes through the through hole (138) and the electromagnet (121) to be connected with the connecting block (122).
8. The side-impact-based anti-friction detection device for safety helmets according to claim 7, wherein: a roller (139) is rotationally connected in the through hole (138), and the roller (139) is rotationally connected with the first connecting rope (137).
9. The anti-friction detection device based on the side-impact-type safety helmet according to claim 6, characterized in that: one end of the pull rod (225) is provided with a sliding hole, and a round rod (226) is connected in the sliding hole in a sliding manner.
10. The anti-friction detection device based on the side-impact-type safety helmet according to claim 1, characterized in that: sliding tray (232) have been seted up at the top of installation pole (230), sliding tray (232) sliding connection has spliced pole (233), the outer wall of spliced pole (233) upper branch is provided with feedback coating (234), the bottom of spliced pole (233) is provided with installation spring (235), rope (236) are connected to the bottom fixedly connected with second of spliced pole (233), the one end of second connection rope (236) is passed installation spring (235) and installation pole (230) and with the bottom fixed connection of connecting rod (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113884436B (en) | 2024-02-02 |
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