CN117445596B - Expressway portal with maintenance safety function - Google Patents
Expressway portal with maintenance safety function Download PDFInfo
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- CN117445596B CN117445596B CN202311792455.7A CN202311792455A CN117445596B CN 117445596 B CN117445596 B CN 117445596B CN 202311792455 A CN202311792455 A CN 202311792455A CN 117445596 B CN117445596 B CN 117445596B
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- portal
- traction rope
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- 238000012423 maintenance Methods 0.000 title claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims 2
- 206010039203 Road traffic accident Diseases 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
- B60D1/18—Tow ropes, chains or the like
- B60D1/185—Tow ropes, chains or the like comprising a cable or chain winding device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/58—Auxiliary devices
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of expressway door frames, in particular to an expressway door frame with a maintenance safety function, which comprises door frame upright posts and door frame equipment cross beams, wherein the door frame upright posts are respectively arranged on two sides of an expressway, the door frame equipment cross beams are fixedly arranged on the door frame upright posts and cross the expressway, an upright post machine bin is arranged on the door frame upright posts, a traction main shaft is arranged in the upright post machine bin, a traction rope is sleeved on the traction main shaft, one end of the traction rope is fixedly connected with the traction main shaft, and a rope hook is arranged on the other end of the traction rope; the expressway portal is matched with the guardrail of the expressway, and can transversely drag and pull vehicles in a certain area near the portal, so that the vehicles can be transversely moved to an emergency lane through the portal without waiting for a trailer after a traffic accident occurs, the expressway portal has a maintenance safety function, and the influence time on the expressway vehicles is reduced.
Description
Technical Field
The invention relates to the technical field of expressway door frames, in particular to an expressway door frame with a maintenance safety function.
Background
The expressway portal is a metal arch frame which spans the expressway and is used for installing ETC charging equipment, speed measuring and photographing equipment, an electronic notification display screen and the like; on the expressway, when the vehicle is in an accident and cannot run, the vehicle can only wait for the trailer to drag the vehicle onto the emergency lane, before the trailer arrives, the accident vehicle can seriously influence the vehicle running of the main road and increase the rear-end collision risk, and because the speed measurement photographing strong light equipment on the expressway portal, the electronic notification display screen and the like can cause certain interference to a driver, the accident rate is often slightly higher near the expressway portal, the traditional portal cannot assist in safety maintenance after the accident occurs, and the functionality is lower.
Disclosure of Invention
The invention aims to provide an expressway portal with a maintenance safety function, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a take highway portal of maintaining safeguard function, includes portal stand and portal stand fixed mounting and straddling highway's portal equipment crossbeam of setting up in highway both sides respectively, be provided with the stand machine storehouse on the portal stand, be provided with the haulage main shaft in the stand machine storehouse, the cover is equipped with the haulage rope on the haulage main shaft, the one end and the haulage main shaft fixed connection of haulage rope, the other end is provided with the rope hook, be provided with the locating hole board on the stand machine storehouse, the spacing interlude of haulage rope is through the locating hole board, be provided with the detection pull rod in the stand machine storehouse, the haulage rope walks around the detection pull rod, works as the haulage rope is by taut, the detection pull rod can be pushed by the haulage rope extrusion, the inside and outside in the stand machine storehouse is provided with unidirectional control mechanism, unidirectional control mechanism can drive haulage rope shake in the haulage rope unwinding in-process, be in the state, the tip of haulage main shaft is provided with the main shaft.
The detection pull rod is characterized in that U-shaped rod frames are fixedly arranged at two ends of the detection pull rod, a track clamping groove is fixedly formed in the inner wall surface of the upright machine bin, the U-shaped rod frames are arranged in the track clamping groove in a limiting sliding mode, movable pull plates are fixedly arranged on the U-shaped rod frames, fixed pull plates are fixedly arranged on the track clamping groove, and tension springs are connected between the movable pull plates and the fixed pull plates.
The device is characterized in that a middle bedplate is fixedly arranged between the track clamping grooves, a pressure sensor is embedded and arranged on the middle bedplate, a pressure spring is fixedly arranged on the pressure sensor, when the detection pull rod is pushed by the traction rope in a squeezing mode, the U-shaped rod frame can be pressurized on the pressure spring, pressure is applied to the pressure sensor through the pressure spring, and when the pressure sensor detects that the pressure reaches a set value, the traction main shaft rotates to pay out the traction rope.
The unidirectional control mechanism comprises an extension limit box, a positioning slide block, slide block springs and a slide block center shaft, wherein the extension limit box is provided with two groups which are symmetrically arranged on the upright post machine bin, the two groups of the extension limit boxes are respectively provided with the positioning slide blocks, the slide block springs are arranged between one group of the extension limit boxes and the positioning slide block, and the slide block center shaft is connected between the two groups of the positioning slide blocks.
The automatic traction device is characterized in that a sliding block middle plate is arranged below a sliding block middle shaft, two ends of the sliding block middle plate are fixedly installed with a positioning sliding block respectively, a guide wheel is rotatably arranged on the sliding block middle shaft, a matched lock table is fixedly arranged on the sliding block middle plate, a traction rope bypasses the guide wheel, and the guide wheel and the matched lock table are mutually matched to limit and clamp the traction rope.
The other group of extending limit boxes are provided with penetrating notch, the locating slide blocks corresponding to the other group of extending limit boxes are fixedly provided with inclined push plates, the inclined push plates penetrate through the penetrating notch, and the end parts of the inclined push plates are obliquely arranged.
The vertical column machine bin is fixedly provided with a positioning inserting cylinder, an extrusion inserting plate is inserted in the positioning inserting cylinder in a penetrating mode, the lower end of the extrusion inserting plate is fixedly provided with a roll shaft support, an extrusion roll shaft is arranged in the roll shaft support, the extrusion roll shaft is in extrusion fit with the inclined part of the end part of the inclined push plate, and when the extrusion inserting plate is extruded to move downwards, the extrusion inserting plate can push the inclined push plate to move transversely through the extrusion roll shaft.
The external fixation of main shaft is provided with the main shaft ratchet, the outside swivel sleeve of main shaft ratchet is equipped with the ratchet external tooth, be provided with one-way pendulum board in the ratchet external tooth, the fixed axle that inserts that is provided with on the ratchet external tooth, insert the axle and alternate through one-way pendulum board for one-way pendulum board can swing round inserting the axle, the fixed pendulum board shell fragment that is provided with on the one-way pendulum board, the pendulum board shell fragment provides elasticity to one-way pendulum board, one-way pendulum board with the one-way cooperation of main shaft ratchet.
The external engagement of ratchet external tooth is provided with driven pinion, be provided with the extrusion cam on the driven pinion coaxial, driven pinion with be provided with the pinion in the extrusion cam and insert the axle, the pinion insert the axle with rotate between the stand machine storehouse and install.
The external engagement of main shaft worm wheel is provided with control worm, the one end of control worm is provided with the support end plate, the other end of control worm is provided with the power storehouse that is used for driving control worm rotation.
Compared with the prior art, the invention has the beneficial effects that:
the expressway portal is matched with the guardrail of the expressway, and can transversely drag and pull vehicles in a certain area near the portal, so that the vehicles can be transversely moved to an emergency lane through the portal without waiting for a trailer after a traffic accident occurs, the expressway portal has a maintenance safety function, and the influence time on the expressway vehicles is reduced.
According to the invention, through the structural coordination of the detection pull rod, the pressure sensor, the pressure spring and the like, when the traction rope is pulled out, the traction rope can be automatically released, and after the traction rope becomes loose, the release is automatically stopped, so that the problems of knotting and the like caused by a large amount of release and accumulation of the traction rope in the upright post machine bin can be avoided, and the required tension force can be dynamically changed when the traction rope is pulled out.
Through the unidirectional control mechanism who sets up, can control according to traction spindle's positive and negative rotation condition automatically, the leading wheel is motionless when the haulage rope is released, and the leading wheel can follow the reciprocal oscillation of slider centraxonial axis direction when the haulage rope is packed up to can tremble the dust impurity of haulage rope surface adhesion off, improve the life of haulage rope.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is another angular schematic view of the overall structure of the present invention.
Fig. 3 is an enlarged schematic view of the area a in fig. 2.
Fig. 4 is an enlarged schematic view of the region B in fig. 3.
Fig. 5 is an enlarged schematic view of region C in fig. 3.
FIG. 6 is a schematic view of a column machine according to the invention in section.
Fig. 7 is an enlarged schematic view of the region D in fig. 6.
Fig. 8 is a schematic view of a vertical column machine cabin in a semi-cutaway mode.
Fig. 9 is an enlarged schematic view of the area E in fig. 8.
Fig. 10 is a schematic view of the traction spindle of the present invention in a semi-cut-away perspective view.
Fig. 11 is an enlarged schematic view of region F in fig. 10.
In the figure: 1. a portal column; 2. a gantry apparatus beam; 3. a column machine bin; 4. traction main shaft; 5. a traction rope; 6. a positioning hole plate; 7. rope hooks; 8. detecting a pull rod; 9. a spindle worm wheel; 801. a U-shaped rod frame; 802. a rail clamping groove; 803. a movable pulling plate; 804. fixing the pulling plate; 805. a tension spring; 806. a middle platen; 807. a pressure sensor; 808. a pressure spring; 301. extending the limit box; 302. positioning a sliding block; 303. a slider spring; 304. a slide block center shaft; 305. a slide block middle plate; 306. a guide wheel; 307. matching with a lock platform; 308. inserting the notch; 309. an inclined push plate; 310. positioning the insertion barrel; 311. extruding the plugboard; 312. a roll shaft bracket; 313. extruding a roll shaft; 314. a spindle ratchet; 315. ratchet external teeth; 316. a one-way swing plate; 317. a swing plate spring plate; 318. driven small teeth; 319. extruding the cam; 320. a small tooth inserting shaft; 901. a control worm; 902. a support end plate; 903. and a power bin.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides a take highway portal of maintaining safeguard function, including setting up respectively in the portal stand 1 of highway both sides and with portal stand 1 fixed mounting and span highway's portal equipment crossbeam 2, be provided with stand machine storehouse 3 on the portal stand 1, be provided with in the stand machine storehouse 3 and pull main shaft 4, the cover is equipped with haulage rope 5 on the haulage main shaft 4, the one end and the haulage main shaft 4 fixed connection of haulage rope 5, the other end is provided with rope hook 7, be provided with locating hole board 6 on the stand machine storehouse 3, spacing interlude of haulage rope 5 is through locating hole board 6, be provided with in the stand machine storehouse 3 and detect pull rod 8, haulage rope 5 bypasses and detects pull rod 8, when haulage rope 5 is taut, the inside and outside in stand machine storehouse 3 is provided with unidirectional control mechanism, unidirectional control mechanism can be in the haulage rope 5 rope receiving process, in the rope 5 rope shake in-out process, the tip of haulage main shaft 4 is provided with worm wheel 9.
The two ends of the detection pull rod 8 are fixedly provided with U-shaped rod frames 801, the inner wall surface of the upright post machine bin 3 is fixedly provided with track clamping grooves 802, the U-shaped rod frames 801 are arranged in the track clamping grooves 802 in a limiting sliding mode, movable pull plates 803 are fixedly arranged on the U-shaped rod frames 801, fixed pull plates 804 are fixedly arranged on the track clamping grooves 802, tension springs 805 are connected between the movable pull plates 803 and the fixed pull plates 804, middle bedplate 806 is fixedly arranged between the track clamping grooves 802, pressure sensors 807 are embedded in the middle bedplate 806, pressure springs 808 are fixedly arranged on the pressure sensors 807, when the detection pull rod 8 is pushed by the traction ropes 5 in a pressing mode, the U-shaped rod frames 801 are pressed on the pressure springs 808, pressure is applied to the pressure sensors 807 through the pressure springs 808, and when the pressure sensors 807 detect that the pressure reaches a set value, the traction main shafts 4 rotate to pay out the traction ropes 5.
The unidirectional control mechanism comprises an extension limit box 301, a positioning slide block 302, a slide block spring 303 and a slide block center shaft 304, wherein the extension limit box 301 is provided with two groups and is symmetrically arranged on the upright post machine bin 3, the two groups of extension limit boxes 301 are respectively provided with the positioning slide block 302, the slide block spring 303 is arranged between one group of extension limit boxes 301 and the positioning slide block 302, and the slide block center shaft 304 is connected between the two groups of positioning slide blocks 302.
A slide block middle plate 305 is arranged below the slide block middle shaft 304, two ends of the slide block middle plate 305 are fixedly installed with the positioning slide block 302 respectively, a guide wheel 306 is rotatably arranged on the slide block middle shaft 304, a matched lock table 307 is fixedly arranged on the slide block middle plate 305, the traction rope 5 bypasses the guide wheel 306, the guide wheel 306 is matched with the matched lock table 307 to limit and clamp the traction rope 5, an inserting notch 308 is formed in the other group of extending limit boxes 301, an inclined push plate 309 is fixedly arranged on the positioning slide block 302 corresponding to the other group of extending limit boxes 301, the inclined push plate 309 is inserted through the inserting notch 308, and the end part of the inclined push plate 309 is in an inclined arrangement.
The column machine storehouse 3 is fixedly provided with a positioning inserting cylinder 310, the positioning inserting cylinder 310 is inserted and movably provided with an extrusion inserting plate 311, the lower end of the extrusion inserting plate 311 is fixedly provided with a roll shaft support 312, the roll shaft support 312 is internally provided with an extrusion roll shaft 313, the extrusion roll shaft 313 is in extrusion fit with the inclined part of the end part of the inclined push plate 309, when the extrusion inserting plate 311 is extruded to move downwards, the extrusion inserting plate 311 can push the inclined push plate 309 to move transversely through the extrusion roll shaft 313, the extrusion roll shaft 313 can rotate relative to the roll shaft support 312, and therefore abrasion is reduced when the inclined part of the end part of the inclined push plate 309 is in extrusion fit.
The outside of the traction main shaft 4 is fixedly provided with a main shaft ratchet 314, a ratchet external tooth 315 is sleeved outside the main shaft ratchet 314, a one-way swing plate 316 is arranged in the ratchet external tooth 315, an inserting shaft is fixedly arranged on the ratchet external tooth 315, the inserting shaft penetrates through the one-way swing plate 316, the one-way swing plate 316 can swing around the inserting shaft, a swing plate elastic sheet 317 is fixedly arranged on the one-way swing plate 316, the swing plate elastic sheet 317 provides elastic force for the one-way swing plate 316, and the one-way swing plate 316 is in one-way fit with the main shaft ratchet 314.
The external engagement of the ratchet external teeth 315 is provided with a driven pinion 318, the driven pinion 318 is coaxially provided with a pressing cam 319, as shown in fig. 4, a plurality of protruding portions can be arranged on the pressing cam 319, so that when the pressing cam 319 rotates once, the pressing insert plate 311 can be driven for a plurality of times in a pressing manner, the oscillation frequency of the guide wheel 306 is increased, the driven pinion 318 and the pressing cam 319 are provided with a pinion insert shaft 320, and the pinion insert shaft 320 is rotatably mounted with the column machine bin 3.
The external engagement of the main shaft worm wheel 9 is provided with a control worm 901, one end of the control worm 901 is provided with a support end plate 902, the other end of the control worm 901 is provided with a power bin 903 for driving the control worm 901 to rotate, and the power bin 903 can be a motor or a rotary driving device such as an internal combustion engine.
When the expressway portal with the maintenance safety function is used, the portal upright posts 1 are arranged on two sides of an expressway, so that the portal equipment cross beam 2 spans the expressway, and an ETC charging system, a speed measuring and photographing device or an electronic display screen and the like can be arranged on the portal equipment cross beam 2.
In a certain area near the expressway portal, after an accident occurs and the vehicle cannot run, an operator can walk to the upright post machine cabin 3 and hold the rope hook 7 to pull the traction rope 5 out of the upright post machine cabin 3; when the hauling rope 5 is pulled tightly, the hauling rope 5 tends to be in a straight state, thereby the detection pull rod 8 can be extruded, the U-shaped rod frame 801 is pulled out horizontally, the tension spring 805 is stretched at the moment, the U-shaped rod frame 801 can be pressurized on the pressure spring 808, pressure is applied to the pressure sensor 807 through the pressure spring 808, when the pressure sensor 807 detects that the pressure reaches a set value, the power bin 903 is controlled to operate, the traction main shaft 4 is driven to rotate clockwise through the power bin 903, so that the hauling rope 5 is released, in the process of releasing the hauling rope 5, once the hauling rope 5 is excessively released, the U-shaped rod frame 801 can be reset to move after the hauling rope 5 is in a loose state, the pressure value is detected to be reduced by the pressure sensor 807, after the pressure value is lower than the set value, the traction main shaft 4 is actively stopped, the problems that knots are caused in the vertical column machine bin 3 due to a large amount of release and the like are avoided, and the required tension force can be dynamically changed when the hauling rope 5 is pulled out through changing the trigger pressure value of the pressure sensor 807.
As shown in fig. 1 and 2, after the traction rope 5 is pulled out, the traction rope 5 bypasses the upright post of the highway guardrail, the rope hook 7 is hooked on an accident vehicle, the power bin 903 is matched with the main shaft worm wheel 9 through the control worm 901, the traction main shaft 4 is driven to rotate anticlockwise, the traction rope 5 is retracted, the accident vehicle can be towed away from the main road in the process of pulling the traction rope 5 back, the influence on the running of the main road vehicle is reduced, and long-time waiting for a trailer is not needed.
In the anticlockwise rotation process of the traction spindle 4, the spindle ratchet 314 can drive the ratchet external teeth 315 to follow and rotate through the unidirectional swinging plate 316, at this time, the ratchet external teeth 315 drive the driven small teeth 318 to rotate in a speed-increasing manner, when the driven small teeth 318 rotate, the extrusion cams 319 synchronously rotate, the extrusion cams 319 extrude and drive the extrusion inserting plates 311 downwards, the extrusion inserting plates 311 can extrude and push the inclined pushing plates 309 to move transversely through the extrusion roller shafts 313, when the inclined pushing plates 309 move transversely, the guide wheels 306 can be driven to move transversely, the guide wheels 306 are in a high-frequency reciprocating oscillation state in cooperation with the reset elastic force of the slider springs 303, so that the traction rope 5 can be vibrated, dust sundries such as gravel which are stained with the ground contact on the traction rope 5 can be shaken off, and the service life of the traction rope 5 is prolonged.
During the clockwise rotation of the traction spindle 4, the spindle ratchet 314 and the one-way wobble plate 316 elastically jump, and the ratchet external teeth 315 stop rotating.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a highway portal of safeguard function in area, includes portal stand (1) and portal stand (1) fixed mounting and straddling highway's portal equipment crossbeam (2) of setting up respectively in highway both sides, its characterized in that: the utility model discloses a vertical column machine is characterized in that a vertical column machine bin (3) is arranged on a vertical column machine bin (1), a traction main shaft (4) is arranged in the vertical column machine bin (3), a traction rope (5) is sleeved on the traction main shaft (4), one end of the traction rope (5) is fixedly connected with the traction main shaft (4), a rope hook (7) is arranged at the other end of the traction rope, a positioning pore plate (6) is arranged on the vertical column machine bin (3), the traction rope (5) is inserted through the positioning pore plate (6) in a limiting way, a detection pull rod (8) is arranged in the vertical column machine bin (3), the traction rope (5) bypasses the detection pull rod (8), when the traction rope (5) is tensioned, the detection pull rod (8) is extruded and pushed by the traction rope (5), a unidirectional control mechanism is arranged at the inner and outer part of the vertical column machine bin (3), the unidirectional control mechanism can drive the traction rope (5) to shake in the rope releasing process of the traction rope (5), the worm wheel end part of the traction main shaft (4) is provided with a worm wheel (9), the control mechanism and the two-way slide blocks (301) are symmetrically arranged on the vertical column machine bin (301) and the two-shaped slide blocks (301) are symmetrically arranged on the vertical column machine bin (303), the two groups of extension limit boxes (301) are respectively provided with a positioning slide block (302), a slide block spring (303) is arranged between one group of extension limit boxes (301) and the positioning slide blocks (302), a slide block center shaft (304) is connected and arranged between the two groups of positioning slide blocks (302), a slide block middle plate (305) is arranged below the slide block center shaft (304), two ends of the slide block middle plate (305) are respectively fixedly installed with the positioning slide blocks (302), guide wheels (306) are rotatably arranged on the slide block center shaft (304), a matched lock platform (307) is fixedly arranged on the slide block middle plate (305), a traction rope (5) bypasses the guide wheels (306), the guide wheels (306) are mutually matched with the matched lock platform (307) to limit and clamp the traction rope (5), an oblique push plate (309) is fixedly arranged on the positioning slide block (302) corresponding to the extension limit boxes (301), the oblique push plate (309) is inserted through the insertion notch (308), the end part of the push plate (309) is obliquely provided with an extrusion machine (310), the movable insertion tube (310) is fixedly arranged on the insertion tube (310), the lower end of the extrusion inserting plate (311) is fixedly provided with a roll shaft support (312), the roll shaft support (312) is internally provided with an extrusion roll shaft (313), the extrusion roll shaft (313) is in extrusion fit with the inclined part at the end part of the inclined push plate (309), when the extrusion inserting plate (311) is extruded to move downwards, the extrusion inserting plate (311) can extrude and push the inclined push plate (309) to move transversely through the extrusion roll shaft (313), a main shaft ratchet wheel (314) is fixedly arranged outside the traction main shaft (4), a ratchet external tooth (315) is sleeved on the outer rotary sleeve of the main shaft ratchet wheel (314), a one-way swing plate (316) is arranged in the ratchet external tooth (315), an inserting shaft is fixedly arranged on the ratchet external tooth (315), the inserting shaft is inserted through the one-way swing plate (316) so that the one-way swing plate (316) can swing around the inserting shaft, a swing plate (317) is fixedly arranged on the one-way swing plate (316), a swing plate elastic sheet (317) provides elasticity for the one-way swing plate (316), the one-way swing plate (316) and the one-way swing plate (318) and the main shaft (318) are matched with the ratchet wheel (314), a small tooth (320) and the small tooth (320) are arranged on the outer side of the small tooth (320), the automatic traction device is characterized in that the small tooth inserting shaft (320) is rotatably installed between the upright machine bin (3), U-shaped rod frames (801) are fixedly arranged at two ends of the detection pull rod (8), track clamping grooves (802) are fixedly formed in the inner wall surfaces of the upright machine bin (3), the U-shaped rod frames (801) are arranged in the track clamping grooves (802) in a limiting sliding mode, movable pull plates (803) are fixedly arranged on the U-shaped rod frames (801), fixed pull plates (804) are fixedly arranged on the track clamping grooves (802), tension springs (805) are connected between the movable pull plates (803) and the fixed pull plates (804), a middle bedplate (806) is fixedly arranged between the track clamping grooves (802), pressure sensors (807) are fixedly arranged on the middle bedplate (806), pressure springs (808) are fixedly arranged on the pressure sensors (807), when the detection pull rod (8) are pushed by the traction ropes (5), the U-shaped rod frames (801) are pressurized on the pressure springs (808), the pressure springs (808) and the pressure sensors (808) exert pressure on the pressure sensors (807) to the main shafts, and the pressure sensors (807) rotate to the main shafts when the pressure sensors (807) rotate.
2. The highway portal with maintenance safety function according to claim 1, wherein: the external engagement of main shaft worm wheel (9) is provided with control worm (901), one end of control worm (901) is provided with support end plate (902), the other end of control worm (901) is provided with power storehouse (903) that are used for driving control worm (901) rotatory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311792455.7A CN117445596B (en) | 2023-12-25 | 2023-12-25 | Expressway portal with maintenance safety function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311792455.7A CN117445596B (en) | 2023-12-25 | 2023-12-25 | Expressway portal with maintenance safety function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117445596A CN117445596A (en) | 2024-01-26 |
| CN117445596B true CN117445596B (en) | 2024-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311792455.7A Active CN117445596B (en) | 2023-12-25 | 2023-12-25 | Expressway portal with maintenance safety function |
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| CN (1) | CN117445596B (en) |
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|---|---|---|---|---|
| CN108189631A (en) * | 2018-03-12 | 2018-06-22 | 张云祥 | Target practice vehicle traction rope automatic rolling device |
| CN217170394U (en) * | 2022-05-13 | 2022-08-12 | 天长市茂林机电设备有限责任公司 | Adjustable trailer part connecting frame |
| CN218197781U (en) * | 2022-08-01 | 2023-01-03 | 沈阳润城电子有限公司 | Machining production is with strong and draw gear that can stretch removal of stability |
| CN219172114U (en) * | 2023-03-02 | 2023-06-13 | 沈阳恒鹏商务服务有限公司 | Road rescue traction device |
| CN219600836U (en) * | 2023-04-25 | 2023-08-29 | 中国人民解放军总医院海南医院 | Multifunctional traction device |
| CN117021850A (en) * | 2023-08-24 | 2023-11-10 | 广州市鑫烜盛汽车销售服务有限公司 | Traction device |
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|---|---|
| CN117445596A (en) | 2024-01-26 |
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