CN113511132B - Covering and opening device for road transport vehicle tarpaulin - Google Patents
Covering and opening device for road transport vehicle tarpaulin Download PDFInfo
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- CN113511132B CN113511132B CN202110648401.8A CN202110648401A CN113511132B CN 113511132 B CN113511132 B CN 113511132B CN 202110648401 A CN202110648401 A CN 202110648401A CN 113511132 B CN113511132 B CN 113511132B
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- arc
- tarpaulin
- rod
- groove
- car hopper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/02—Covering of load
- B60P7/04—Covering of load by tarpaulins or like flexible members
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The invention relates to a covering and opening device for tarpaulin of a road transport vehicle, which comprises a scroll, rotating devices and a support rod, wherein the scroll is arranged at the top of the front end of a vehicle hopper and is wound with the tarpaulin; the invention installs the scroll with tarpaulin on the front side of the car hopper, and the other end of the tarpaulin is fixedly connected to the pole support, the pole support can deflect under the action of the rotating device, and move between the front end and the rear end of the car hopper, when the tarpaulin needs to be covered, the rotating device drives the pole support to deflect backwards, so as to pull the tarpaulin from the front end to the rear end of the car hopper, cover the whole car hopper, and when the tarpaulin needs to be uncovered, the scroll rotates, and the tarpaulin is wound on the scroll, and at this time, the rotating device drives the pole support to move from the rear end to the front end, and the complete uncovering of the tarpaulin is completed, and the automatic operation is realized.
Description
Technical Field
The invention relates to a covering and opening device for tarpaulin of a road transport vehicle.
Background
In the process of the pavement mixture transport vehicle, because a certain amount of moisture is contained in the water-stable mixture, the moisture content of the pavement mixture transport vehicle needs to be kept in the transport process, so that the tarpaulin needs to be covered above a hopper of the transport vehicle to reduce the moisture loss, the covering and the opening of the tarpaulin are finished manually at present, the transport vehicle is very high, manual operation is complex, a large amount of time can be wasted, and the moisture content is difficult to keep.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for covering and lifting tarpaulin of a road transport vehicle, which can automatically cover and lift the tarpaulin and reduce the working procedures of covering and lifting the tarpaulin up and down for a driver of the transport vehicle.
The technical scheme adopted by the invention is as follows:
the utility model provides a road surface transport vechicle tarpaulin covers and lifts device, its includes the spool that sets up at car fill front end top and twine the tarpaulin, sets up the rotary device on the face of the left and right sides of car fill respectively and sets up the branch between two rotary device tops, the other end and the branch fixed connection of tarpaulin, the spool drive arrangement who connects on the spool.
Furthermore, the rotating device comprises a support rod and a deflection cylinder, the support rod and the deflection cylinder are rotatably arranged on the car hopper, a cylinder body of the deflection cylinder is rotatably connected with the car hopper, and a piston rod of the deflection cylinder is rotatably connected with the support rod.
Furthermore, the support rod comprises a loop bar and a movable rod arranged in the loop bar in a sliding manner, a sliding groove is formed in the side wall of the loop bar, a limiting rod is arranged at the lower end of the movable rod, and the limiting rod is arranged in the sliding groove in a sliding manner; a piston rod of the deflection cylinder is rotationally connected with the outer side of the sleeve rod;
the side wall of the car hopper is provided with a V-shaped limiting groove, and the limiting rod is matched with the limiting groove.
Further, the limiting groove comprises a left groove part and a right groove part which are obliquely arranged and a horizontal groove arranged between the left groove part and the right groove part, and the left groove part, the horizontal groove and the right groove part form an approximate V shape.
Furthermore, a locking device matched with the support rod is arranged at the top of the rear end of the car hopper;
the locking device comprises a fixed arc, an upper deflection arc and a lower deflection arc, the upper deflection arc is rotatably arranged at the upper end of the fixed arc, the lower deflection arc is rotatably arranged at the lower end of the fixed arc, a through groove for the upper deflection arc to pass through is formed in the fixed arc, and reverse limiting structures are arranged on the upper deflection arc and the lower deflection arc; a torsion spring is arranged between the lower deflection arc and the fixed arc, so that the lower deflection arc is kept in a closed state;
the free end of the lower deflection arc is connected with a pull rope, the other end of the pull rope is fixedly connected with a car hopper, a push rod is arranged in the car hopper, the inner side end of the push rod is provided with a pull rope groove matched with the pull rope, the outer side end of the push rod extends out of the side wall of the car hopper, and the push rod is pushed inwards when the support rod moves to the position.
Furthermore, a limiting cylinder is sleeved on the pull rope and fixed on the side wall of the car hopper and located above the ejector rod.
Furthermore, reverse limit structure is including setting up the elasticity limiting plate on last deflection arc and the lower deflection arc contact surface respectively, elasticity limiting plate angulation sets up on corresponding last deflection arc and lower deflection arc.
Furthermore, the elastic limiting plate on the upper deflection arc inclines inwards, and the elastic limiting plate on the lower deflection arc inclines outwards.
The invention has the positive effects that: according to the invention, the scroll with the tarpaulin is arranged on the front side of the car hopper, the other end of the tarpaulin is fixedly connected to the support rod, the support rod can deflect under the action of the rotating device, the movement is carried out between the front end and the rear end of the car hopper, when the tarpaulin needs to be covered, the rotating device drives the support rod to deflect backwards, so that the tarpaulin is pulled from the front end to the rear end of the car hopper, the whole car hopper is covered, when the tarpaulin needs to be lifted, the scroll rotates to wind the tarpaulin onto the scroll, and at the moment, the rotating device drives the support rod to move from the rear end to the front end, so that the complete lifting of the tarpaulin is completed, the automatic operation is realized, the manual operation is not needed, the processes of covering the tarpaulin up and down and lifting the tarpaulin by a driver of a transport car are reduced, the time is saved, and the water content and the temperature of the road surface mixture during the transportation process are better maintained.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the chute structure of the present invention;
FIG. 3 is a schematic view of a strut according to the present invention;
FIG. 4 is a schematic view of the locking device of the present invention;
fig. 5 is a schematic view of the structure of the pull rope groove of the invention.
Detailed Description
As shown in fig. 1-5, the present invention is integrally installed on a car hopper 1, and includes a scroll 2 rotatably installed on the top of the front end of the car hopper through a bracket, a tarpaulin wound on the scroll 2, rotating devices respectively installed on the left and right sides of the car hopper 1, and a support rod arranged between the tops of the two rotating devices, wherein the other end of the tarpaulin is fixed to the support rod, the scroll 2 is rotated forward and backward under the action of a driving device, so that the tarpaulin can be wound on the scroll 2, or the tarpaulin on the scroll 2 is released. The drive means for the reel 2 may simply be a motor.
The rotating device comprises a supporting rod 3 arranged on the side wall of the car hopper 1 and a deflection cylinder 4 which is connected with the supporting rod 3 in a rotating mode, wherein the bottom end of the deflection cylinder 4 is rotated, the cylinder body of the deflection cylinder 4 is arranged on the car hopper 1 in a rotating mode, a piston rod of the deflection cylinder is connected with the supporting rod 3 in a rotating mode, the supporting rod is arranged at the tops of the two supporting rods 3, and the supporting rod is driven to swing back and forth between the front end and the tail end of the car hopper through rotation of the supporting rod 3.
As shown in fig. 3, the support rod includes a sleeve rod 301 and a movable rod 302 sleeved in the sleeve rod 301, a sliding slot 303 is disposed on a side wall of the sleeve rod 301, a limit rod 304 is disposed on the movable rod 302, the limit rod 304 is disposed in the sliding slot 303 and exposes the sleeve rod 301, and a piston rod of the deflection cylinder 4 is rotatably connected with an outer side wall of the sleeve rod 301. The stopper groove 5 includes a left groove portion 501 and a right groove portion 503 which are obliquely arranged, and a horizontal groove 502 which is arranged between the left and right groove portions 503, and the left groove portion 501, the horizontal groove 502, and the right groove portion 503 form an approximate V shape. Meanwhile, the side wall of the car hopper 1 is provided with a limiting groove 5 which is approximately V-shaped, the limiting rod 304 is matched with the limiting groove 5, and in the rotating process of the supporting rod, the position of the limiting rod 304 in the limiting groove 5 gradually moves upwards or downwards, so that the movable rod 302 is driven to move up and down in the loop bar 301. And the spacing groove 5 of the V-arrangement that the cooperation was placed forward makes the bracing piece when rotatory to the position at car hopper front and back both ends, and the whole length of bracing piece is the longest, can be located the front and back position of car hopper 1 just in time this moment, and when the bracing piece was in vertical state, it was in the shrink state, only need guarantee this moment the bracing piece be a little higher than the car hopper can. Therefore, in the whole deflection process of the supporting rod, the supporting rod can be always positioned at a lower position, the requirement on the upper space of the car hopper is lower, the automatic covering and opening of the tarpaulin can be realized as long as the car hopper can enter the place, and meanwhile, the problem that the wind resistance is large due to the fact that the position of the supporting rod is high can be prevented, and the equipment is prevented from being damaged due to strong wind. For those skilled in the art, the shape of the limiting groove 5 can be obtained through a limited number of tests, so that the supporting rod can be always in a good position in the swinging process, and the limiting groove 5 has a complex shape. In the present application, however, a V-shaped structure is simply used for cost saving.
The top of the rear end of the car hopper is provided with a locking device 7 which is matched with the support rod, and the support rod is locked by the locking device 7 after the tarpaulin is covered, so that the tarpaulin is prevented from being accidentally lifted in the transportation process.
The locking device 7 comprises a fixed arc 701, an upper deflection arc 702 rotationally arranged at the upper end of the fixed arc 701 and a lower deflection arc 703 rotationally arranged at the lower end of the fixed arc 701, and reverse limiting structures are arranged on the upper deflection arc 702 and the lower deflection arc 703; a torsion spring is arranged between the lower deflection arc 703 and the fixed arc 701, so that the lower deflection arc 703 keeps a closed state, and the fixed arc 701 is fixedly installed at the top of the rear end of the hopper. The upper deflection arcs 702 are mounted in a manner similar to handcuffs, and the fixed arcs 701 are provided with through slots for the upper deflection arcs 702 to pass through, so that the upper deflection arcs 702 can deflect inwards after being stressed, then pass through the through slots on the fixed arcs 701, and rotate for a circle to return to the corresponding positions of the lower deflection arcs 703 again.
The reverse limiting structure comprises elastic limiting plates 708 which are respectively arranged on the contact surfaces of the upper deflection arc 702 and the lower deflection arc 703, and the elastic limiting plates are arranged on the corresponding upper deflection arc 702 and the lower deflection arc 703 at an angle. The resilient retainer plates 708 on the upper deflection arcs 702 are inclined inward and the resilient retainer plates 708 on the lower deflection arcs 703 are inclined outward.
The free end of the lower deflection arc 703 is connected with a pull rope 705, the other end of the pull rope 705 is fixedly connected with a car hopper, a push rod 706 is arranged in the car hopper, the inner side end of the push rod 706 is provided with a pull rope groove 707 matched with the pull rope, the outer side end of the push rod 706 extends out of the side wall of the car hopper, and when the support rod moves to the position, the push rod 706 is pushed inwards. The outer end of the top rod 706 is designed into a spherical shape so as to be more smoothly matched with the supporting rod.
The fixed arc 701, the upper deflection arc 702 and the lower deflection arc 703 can form a closed circle, and a reverse limiting structure is arranged between the upper deflection arc and the lower deflection arc, and when the upper deflection arc and the lower deflection arc are contacted, the reverse limiting structure plays a role in limiting, so that the upper deflection arc 702 can only pass through the lower deflection arc 703 anticlockwise but cannot pass through reversely.
In order to keep the pull rope to pull down the lower deflection arc 703 smoothly, a limiting cylinder is further sleeved and positioned above the push rod 706.
When the support rod is not matched with the locking device 7, the lower deflection arc 703 is at the highest deflection position under the action of the torsion spring 704, the pull rope 705 is in a tightened state, and in the rotation process of the support rod, when the support rod approaches the position of the locking device 7, the support rod firstly contacts the outer side end of the push rod 706 to extrude the push rod 706 inwards, so that the pull rope 705 is driven to move downwards, the lower deflection arc 703 deflects downwards, the upper deflection arc and the lower deflection arc are separated, then the support rod moves continuously to enter the fixed arc 701 and push the upper deflection arc 702 to deflect, the lower deflection arc 703 passes through the through groove on the fixed arc 701 to rotate anticlockwise to the initial position through inertia, the support rod rotates continuously to enable the support rod to completely enter the circle formed by the fixed arc 701, the upper deflection arc 702 and the lower deflection arc 703, at the time, the support rod is separated from the push rod 706, the lower deflection arc 703 resets under the action of the torsion spring, and the pull rope is tightened again and the push rod 706 is reset.
When the supporting rod needs to be separated from the locking device 7, the supporting rod is firstly contacted and extruded with the ejector rod 706, so that the lower deflection arc 703 deflects downwards, the upper deflection arc and the lower deflection arc are separated from contact, the upper deflection arc can rotate clockwise at the moment, and the supporting rod can be smoothly separated.
Corresponding channels are provided in the side walls of the hopper 1 to facilitate the mounting of the pull rope 705 and the push rod 706.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A road transport vehicle tarpaulin covering and opening device is characterized by comprising a scroll (2) which is arranged at the top of the front end of a vehicle hopper (1) and is wound with tarpaulin, rotating devices which are respectively arranged on the left side surface and the right side surface of the vehicle hopper and a support rod which is arranged between the tops of the two rotating devices, wherein the other end of the tarpaulin is fixedly connected with the support rod, and a scroll driving device is connected on the scroll (2);
the rotating device comprises a supporting rod (3) and a deflection cylinder (4) which are rotatably arranged on the car hopper (1), the cylinder body of the deflection cylinder (4) is rotatably connected with the car hopper, and the piston rod of the deflection cylinder is rotatably connected with the supporting rod (3);
a locking device (7) matched with the support rod is arranged at the top of the rear end of the car hopper; the locking device (7) comprises a fixed arc (701), an upper deflection arc (702) rotatably arranged at the upper end of the fixed arc (701) and a lower deflection arc (703) rotatably arranged at the lower end of the fixed arc (701), a through groove for the upper deflection arc (702) to pass through is formed in the fixed arc (701), and a reverse limiting structure is arranged between the upper deflection arc (702) and the lower deflection arc (703); a torsion spring is arranged between the lower deflection arc (703) and the fixed arc (701) to keep the lower deflection arc (703) in a closed state;
a pull rope (705) is connected to the free end of the lower deflection arc (703), the other end of the pull rope (705) is fixedly connected with a car hopper, a push rod (706) is arranged in the car hopper, a pull rope groove (707) matched with the pull rope is arranged at the inner side end of the push rod (706), the outer side end of the push rod (706) extends out of the side wall of the car hopper, and the push rod (706) is pushed inwards when the support rod moves to the position;
the reverse limiting structure comprises elastic limiting plates (708) which are respectively arranged on contact surfaces of an upper deflection arc (702) and a lower deflection arc (703), and the elastic limiting plates are arranged on the corresponding upper deflection arc (702) and the corresponding lower deflection arc (703) in an angled mode.
2. The tarpaulin covering and opening device for a road surface transport vehicle according to claim 1, wherein the supporting rod (3) comprises a loop bar (301) and a movable bar (302) slidably disposed in the loop bar (301), a sliding groove (303) is disposed on a side wall of the loop bar (301), a limiting rod (304) is disposed at a lower end of the movable bar (302), and the limiting rod (304) is slidably disposed in the sliding groove (303); a piston rod of the deflection cylinder (4) is rotationally connected with the outer side of the loop bar (301);
the side wall of the car hopper is provided with a V-shaped limiting groove (5), and the limiting rod (304) is matched with the limiting groove (5).
3. The tarpaulin covering and opening device of claim 2, wherein the limiting groove (5) comprises a left groove portion (501) and a right groove portion (503) which are obliquely arranged and a horizontal groove (502) which is arranged between the left and right groove portions (501, 503), and the left groove portion (501), the horizontal groove (502) and the right groove portion (503) form an approximate V shape.
4. The apparatus for covering and opening a tarpaulin for a road transport vehicle of claim 1, wherein a stopper tube is installed on the pulling rope (705) and fixed to a sidewall of the hopper above the roof bar (706).
5. The device for covering and opening of a road top of a transport vehicle as claimed in claim 1, characterized in that the elastic limit plates (708) of the upper deflection arc (702) are inclined inwards and the elastic limit plates (708) of the lower deflection arc (703) are inclined outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648401.8A CN113511132B (en) | 2021-06-10 | 2021-06-10 | Covering and opening device for road transport vehicle tarpaulin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648401.8A CN113511132B (en) | 2021-06-10 | 2021-06-10 | Covering and opening device for road transport vehicle tarpaulin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113511132A CN113511132A (en) | 2021-10-19 |
| CN113511132B true CN113511132B (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110648401.8A Active CN113511132B (en) | 2021-06-10 | 2021-06-10 | Covering and opening device for road transport vehicle tarpaulin |
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| Country | Link |
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| CN (1) | CN113511132B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204488622U (en) * | 2015-01-28 | 2015-07-22 | 三明学院 | A kind of arch boxcar sealing arrangement |
| CN106740418A (en) * | 2016-12-20 | 2017-05-31 | 李翀 | For the automation covered structure in lorry environmental protection compartment |
| KR102013340B1 (en) * | 2017-08-29 | 2019-08-27 | 주식회사 수양 | Automatic lid device for lorry cargo |
| CN208962964U (en) * | 2018-10-18 | 2019-06-11 | 王炎生 | Semi-mounted hood cloth automatic cover handler |
| CN210591588U (en) * | 2019-07-02 | 2020-05-22 | 广东冠粤路桥有限公司 | Automatic cover lifting and covering cloth device of transport trolley |
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- 2021-06-10 CN CN202110648401.8A patent/CN113511132B/en active Active
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| CN113511132A (en) | 2021-10-19 |
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Inventor after: Zhang Zhiwen Inventor after: Wu Tao Inventor after: Zhang Xiao Inventor after: Peng Juan Inventor after: Dong Shuying Inventor after: Wang Lei Inventor after: Yang Hu Inventor after: Yang Yifeng Inventor after: Li Xuefeng Inventor after: Xu Zengyu Inventor after: Guo Jianbao Inventor after: Xu Xiang Inventor after: Li Feng Inventor after: Guo Jianning Inventor before: Zhang Zhiwen Inventor before: Wu Tao Inventor before: Zhang Xiao Inventor before: Peng Juan Inventor before: Dong Shuying Inventor before: Wang Lei Inventor before: Yang Hu Inventor before: Yang Yifeng Inventor before: Li Xuefeng Inventor before: Xu Zengyu Inventor before: Guo Jianbao Inventor before: Xu Xiang Inventor before: Li Feng Inventor before: Guo Jianning |