CN219790311U - Rear tail end protection cabin of special vehicle - Google Patents

Abstract

The utility model discloses a rear tail end protection cabin of a special vehicle, which comprises a telescopic organ cover mechanism and a front rolling door mechanism; the telescopic organ cover mechanism is arranged at the rear end of the container; the front rolling door mechanism is arranged at the front end of the telescopic organ cover mechanism; the telescopic organ cover mechanism comprises an organ cover accommodating box, an organ cover arranged in the organ cover accommodating box, an organ cover driving mechanism arranged in the organ cover accommodating box and used for driving the organ cover to stretch and retract, and a controller arranged in the organ cover accommodating box and electrically connected with the organ cover driving mechanism; the front rolling door mechanism comprises a rolling door support frame arranged at the front end of the organ cover, two groups of rolling doors which are arranged on the rolling door support frame and slide in opposite directions, and a rolling door driving mechanism which is arranged on the rolling door support frame and used for driving the rolling doors to roll and stretch. Through the scheme, the utility model has the advantages of simple structure, reliable action and the like.

Description

Rear tail end protection cabin of special vehicle

Technical Field

The utility model relates to the technical field of protection cabins, in particular to a rear tail protection cabin of a special vehicle.

Background

The protection cabin in the technology is protection equipment for a large-scale signal communication plugging device on special vehicle equipment, and is arranged at the tail end of a container of the special vehicle equipment. When the device is used, the protection cabin needs to be unfolded, and then the large-scale signal communication plugging device is plugged and installed. The protection cabin is used for protecting the large-scale signal communication plugging device in severe environments such as rainy days, ice and snow days, sand dust and the like. However, the tail end of the container of the special vehicle (or the conventional truck) in the prior art is not provided with a protective cabin, and the protective cabin cannot effectively protect.

Therefore, it is highly desirable to provide a rear end protective cabin for a special vehicle, which has a simple structure and is protected in place.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a rear tail end protection cabin of a special vehicle, which adopts the following technical scheme:

a rear tail end protection cabin of a special vehicle comprises a telescopic organ cover mechanism and a front rolling door mechanism; the telescopic organ cover mechanism is arranged at the rear end of the container; the front rolling door mechanism is arranged at the front end of the telescopic organ cover mechanism; the telescopic organ cover mechanism comprises an organ cover accommodating box, an organ cover arranged in the organ cover accommodating box, an organ cover driving mechanism arranged in the organ cover accommodating box and used for driving the organ cover to stretch and retract, and a controller arranged in the organ cover accommodating box and electrically connected with the organ cover driving mechanism; the front rolling door mechanism comprises a rolling door support frame arranged at the front end of the organ cover, two groups of rolling doors which are arranged on the rolling door support frame and slide in opposite directions, and a rolling door driving mechanism which is arranged on the rolling door support frame and is used for driving the rolling doors to roll and stretch;

the organ cover driving mechanism comprises a telescopic driving mechanism arranged in the organ cover accommodating box, two groups of telescopic actuating mechanisms which are respectively arranged on two sides of the inner wall of the organ cover accommodating box and are in linkage connection with the telescopic driving mechanism, and a lower telescopic supporting mechanism which is arranged on the lower part of the inner wall of the organ cover accommodating box and is used for supporting the organ cover;

the rolling door driving mechanism comprises a lower driving mechanism, an upper right driving mechanism and an upper left driving mechanism which are respectively arranged in the rolling door supporting frame, an upper sliding rail arranged on the upper part of the inner wall of the rolling door supporting frame, a lower sliding rail arranged on the lower part of the inner wall of the rolling door supporting frame, two groups of upper screw rod sliding seats which are arranged on the upper sliding rail in a sliding manner, and two groups of lower screw rod sliding seats which are arranged on the lower sliding rail in a sliding manner; the upper screw rod sliding seat and the lower screw rod sliding seat are fixedly connected with the winding door; the lower driving mechanism, the upper right driving mechanism and the upper left driving mechanism drive the upper screw rod sliding seat and the lower screw rod sliding seat to slide, and the rolling door is opened or closed.

Further, the telescopic actuator comprises a first longitudinal beam and a second longitudinal beam which are arranged along the longitudinal direction and arranged in the organ cover, and a scissors support frame, wherein the rear end of the scissors support frame is arranged on the telescopic driving mechanism and connected with the first longitudinal beam and the second longitudinal beam.

Further, the scissors support frame includes the first bracing piece of lower extreme and flexible actuating mechanism coupling, the middle part is connected with the middle part pivot of first bracing piece, and the lower part sliding connection's of first longeron second bracing piece, the lower part is connected with flexible actuating mechanism coupling, the upper portion is connected with the upper portion pivot of second longeron third bracing piece, the middle part is connected with the third bracing piece pivot, and the lower part sliding connection's of second longeron fourth bracing piece, the second slide rail slider subassembly of setting between the lower part of second longeron and the lower part of first longeron, and the first slide rail slider subassembly of setting between the lower part of fourth bracing piece and the lower part of second longeron.

Further, the telescopic driving mechanism comprises a first telescopic supporting sliding component, a second transmission shaft, a second speed reducer, a first transmission shaft, a first speed reducer, a first motor, a third speed reducer, a third transmission shaft, a fourth speed reducer, a fourth transmission shaft and a second telescopic supporting sliding component which are connected in sequence to form a door shape; the second speed reducer and the fourth speed reducer are respectively positioned at two vertex angles of the gate shape; the first telescopic support sliding assembly and the second telescopic support sliding assembly are respectively connected with the telescopic actuating mechanisms in a one-to-one correspondence manner; the first motor synchronously drives the first telescopic support sliding assembly and the second telescopic support sliding assembly to slide along the longitudinal direction.

Further, the first telescopic support sliding assembly and the second telescopic support sliding assembly have the same structure, the second telescopic support sliding assembly comprises a first screw rod assembly which is arranged in the organ cover storage box and is in transmission connection with a fourth transmission shaft, a third sliding rail sliding block assembly which is arranged at the lower part of the first screw rod assembly along the direction of the first screw rod assembly, a supporting rod installation seat which is arranged on the third sliding rail sliding block assembly, a first screw rod nut seat which is sleeved on the first screw rod assembly, and a first linkage plate which is arranged between the first screw rod nut seat and the supporting rod installation seat and drives the supporting rod installation seat to slide along the direction of the third sliding rail sliding block assembly.

Further, the special vehicle rear tail end protection cabin further comprises a manual driving mechanism; the manual driving mechanism comprises a hand wheel driving rod, a fifth transmission shaft, a sixth transmission shaft, a second gear and a first gear, wherein the hand wheel driving rod, the fifth transmission shaft and the sixth transmission shaft are sequentially connected from bottom to top, the second gear is arranged on the sixth transmission shaft, and the first gear is arranged on the first screw rod assembly and is in meshed connection with the second gear; the sixth transmission shaft is arranged in parallel with the third sliding rail and sliding block assembly.

Further, the special vehicle rear tail end protection cabin further comprises a rear supporting frame; the rear support frame is arranged between the telescopic organ cover mechanism and the container.

Further, first transition rollers and first winding rollers are arranged on two sides of the inner portion of the winding door supporting frame in one-to-one correspondence; and the winding door bypasses the first transition roller and is connected with the first winding roller.

Further, the lower driving mechanism comprises a second motor and a lower screw rod assembly which is arranged along the lower sliding track and is in linkage connection with the second motor; the lower screw rod sliding seat is sleeved on the lower screw rod assembly.

Further, the upper right driving mechanism and the upper left driving mechanism have the same structure, and the upper right driving mechanism comprises a third motor, a chain wheel arranged at the top of the first winding roller, a first chain arranged between the third motor and the chain wheel, and an upper screw rod assembly which is distributed along the upper sliding track direction and is in rotary linkage with the first winding roller; the upper screw rod sliding seat is sleeved on the upper screw rod assembly; two screw rods are arranged on the lower screw rod assembly and the upper screw rod assembly, and the thread directions of the two screw rods are opposite.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The telescopic organ cover mechanism is skillfully arranged, and the organ cover is driven to stretch and retract under the driving support of the telescopic driving mechanism and the telescopic executing mechanism, so that the purpose of prolonging the protection channel is achieved. In addition, the utility model is also provided with a manual driving mechanism for manually driving the organ cover to stretch and retract, which ensures more reliable action of the organ cover.

(2) The front rolling door mechanism is skillfully arranged, is in a split sliding mode, can realize synchronous sliding opening and closing of the rolling door, and is reliable in linkage.

(3) The utility model skillfully sets the scissors supporting frame, provides sliding support by utilizing the first sliding rail and sliding block component, the second sliding rail and sliding block component and the like, has reliable action and plays a role of guiding support.

(4) The lower telescopic supporting mechanism is arranged at the bottom of the inner wall of the organ cover and also belongs to a telescopic structure, so that the lower part of the organ cover is supported conveniently.

(5) The utility model skillfully sets the lower driving mechanism, the upper right driving mechanism and the upper left driving mechanism, synchronously drives the rolling door to roll, drives the rolling door to roll and unfold under the sliding fit of the upper sliding rail, the lower screw rod sliding seat and the upper screw rod sliding seat, realizes the opening and closing of the rolling door, and has reliable action.

In conclusion, the utility model has the advantages of simple structure, reliable action and the like, and has high practical value and popularization value in the technical field of protection cabins.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings to be used in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope of protection, and other related drawings may be obtained according to these drawings without the need of inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a first angle structure of the present utility model.

Fig. 2 is a schematic structural view of a second angle of the present utility model.

Fig. 3 is a schematic structural view of the telescopic organ cover mechanism and the rear support frame of the utility model.

Fig. 4 is a schematic structural view of the telescopic organ cover mechanism of the utility model.

Fig. 5 is a schematic structural view of the telescopic organ cover mechanism (organ cover removing storage box) of the utility model.

Fig. 6 is a schematic structural view of the organ cover driving mechanism of the utility model.

Fig. 7 is a schematic structural view of the telescopic driving mechanism of the present utility model.

Fig. 8 is a schematic structural view of the manual driving mechanism of the present utility model.

Fig. 9 is a schematic structural view of the front rolling door mechanism of the present utility model.

Fig. 10 is a schematic structural view of a front rolling door mechanism (unreeling door) of the present utility model.

Fig. 11 is a first partial enlarged view of the front roll-up door mechanism of the present utility model.

Fig. 12 is a second partial enlarged view of the front roll-up door mechanism of the present utility model.

Fig. 13 is a third partial enlarged view of the front roll-up door mechanism of the present utility model.

In the above figures, the reference numerals correspond to the component names as follows:

1. a rear support; 2. a telescopic organ cover mechanism; 3. a front rolling door mechanism; 21. an organ cover storage box; 22. an organ cover; 23. an organ cover driving mechanism; 24. a controller; 231. a telescopic driving mechanism; 232. a telescopic actuator; 233. a lower telescopic support mechanism; 2321. a first stringer; 2322. a second stringer; 2323. a scissors support; 23231. a first support bar; 23232. a second support bar; 23233. a third support bar; 23234. a fourth support bar; 23235. a first slide rail and block assembly; 23236. a second slide rail and block assembly; 23101. a first motor; 23102. a first speed reducer; 23103. a first drive shaft; 23104. a second speed reducer; 23105. a second drive shaft; 23106. a first telescoping support slide assembly; 23107. a third speed reducer; 23108. a third drive shaft; 23109. a fourth speed reducer; 23110. a fourth drive shaft; 23111. the second telescopic support sliding assembly; 23112. a manual driving mechanism; 231111, a first screw assembly; 231112, first gear; 231113, a support rod mounting seat; 231114, a first lead screw nut seat; 231115, a first linkage plate; 231116, a third slide rail slide block assembly; 231121, hand wheel drive rod; 231122, a fifth drive shaft; 231123, sixth drive shaft; 231124, a second gear; 31. a rolling door supporting frame; 32. a rolling door driving mechanism; 33. a rolling door; 321. a lower driving mechanism; 322. an upper right driving mechanism; 323. an upper left driving mechanism; 324. a lower slide rail; 325. an upper slide rail; 326. a lower screw rod sliding seat; 327. a screw rod sliding seat is arranged; 3211. a second motor; 3212. a first wind-up roll; 3213. a lower screw rod assembly; 3214. a first transition roller; 3221. a third motor; 3222. a first chain; 3223. a chain wheel; 3224. a feed screw assembly; 3231. a fourth motor; 3232. and a second chain.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described with reference to the accompanying drawings and examples, which include, but are not limited to, the following examples. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

In this embodiment, the term "and/or" is merely an association relationship describing the association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone.

The terms first and second and the like in the description and in the claims of the present embodiment are used for distinguishing between different objects and not for describing a particular sequential order of objects. For example, the first target object and the second target object, etc., are used to distinguish between different target objects, and are not used to describe a particular order of target objects.

In embodiments of the utility model, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the description of the embodiments of the present utility model, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, the plurality of processing units refers to two or more processing units; the plurality of systems means two or more systems.

As shown in fig. 1 to 13, the present embodiment provides a rear end protective compartment for a special vehicle, which serves to protect delicate components within the protective compartment. Specifically, the protection cabin comprises a rear support frame 1 arranged at the tail of a special vehicle, a telescopic organ cover mechanism 2 fixed on the rear support frame 1, and a front rolling door mechanism 3 arranged at the front end of the telescopic organ cover mechanism 2. Wherein the telescopic organ cover mechanism 2 provides a telescopic channel, and the front rolling door mechanism 3 can realize the split sliding opening and closing of the rolling door; thus, the space of the protection cabin is exposed.

In the present embodiment, the telescopic hood mechanism 2 includes a hood storage case 21 fixed to the rear support frame 1, a hood 22 provided in the hood storage case 21, a hood driving mechanism 23 provided in the hood storage case 21 and having a front end connected to a front portion of an inner wall of the hood 22 and driving the hood 22 to expand and contract, and a controller 24 provided in the hood storage case 21 and electrically connected to the hood driving mechanism 23. Wherein, the organ cover driving mechanism 23 is utilized to drive the organ cover to extend so as to achieve the purpose of extending the protection channel. In addition, in order to reduce the floor space, the organ cover 22 is retracted and then hidden in the organ cover housing box 21.

In the present embodiment, the organ cover driving mechanism 23 includes a telescopic driving mechanism 231 provided in the organ cover accommodating case 21, two sets of telescopic actuating mechanisms 232 provided on both sides of the inner wall of the organ cover accommodating case 21 and connected to the telescopic driving mechanism 231 in a linked manner, and a lower telescopic supporting mechanism 233 provided on the lower part of the inner wall of the organ cover accommodating case 21 for supporting the organ cover 22. The telescopic actuator 232 includes a first longitudinal beam 2321 and a second longitudinal beam 2322 which are arranged in the longitudinal direction and are arranged in the organ cover 22, and a scissors support 2323 whose rear ends are arranged on the telescopic drive mechanism 231 and are connected with the first longitudinal beam 2321 and the second longitudinal beam 2322. The telescopic actuating mechanism 232 is driven to stretch by the telescopic driving mechanism 231, and the scissor support frame 2323 is unfolded and tightened, so that in the process, the second longitudinal beam 2322 is connected with the front end of the inner wall of the organ cover to drive the organ cover to shrink and unfold. The rear end of the organ cover is fixed in the organ cover accommodating box 21, and when the scissors supporting frame 2323 is unfolded, the organ cover is unfolded.

In this embodiment, to implement guiding support, the scissor support frame 2323 includes a first support bar 23231 with a lower end pivotally connected to the telescopic driving mechanism 231, a second support bar 23232 with a middle portion pivotally connected to the middle portion of the first support bar 23231 and a lower portion slidingly connected to the lower portion of the first longitudinal beam 2321, a third support bar 23233 with a lower portion pivotally connected to the telescopic driving mechanism 231 and an upper portion pivotally connected to the upper portion of the second longitudinal beam 2322, a fourth support bar 23234 with a middle portion pivotally connected to the third support bar 23233 and a lower portion slidingly connected to the lower portion of the second longitudinal beam 2322, a second slide rail slider assembly 23236 disposed between the lower portion of the second longitudinal beam 2322 and the lower portion of the first longitudinal beam 2321, and a first slide rail slider assembly 23235 disposed between the lower portion of the fourth support bar 23234 and the lower portion of the second longitudinal beam 2322. The first sliding rail and sliding block assembly 23235 and the second sliding rail and sliding block assembly 23236 provide sliding guide, so that the scissor support frame 2323 can be conveniently unfolded and recovered. Wherein, the first sliding rail and sliding block assembly 23235 and the second sliding rail and sliding block assembly 23236 are composed of sliding rails and sliding blocks, and the sliding rails are arranged along the longitudinal direction; when the scissors supporting frame 2323 is unfolded, the sliding block is arranged at the upper part of the sliding rail; when the scissors supporting frame 2323 is recovered, the organ cover is in a recovery state, and the sliding block is arranged at the lower end of the sliding rail.

In this embodiment, the telescopic drive mechanism 231 provides telescopic power to the scissor support frame 2323, which has an electric drive and a manual drive. Specifically, the telescopic driving mechanism 231 includes a first telescopic supporting sliding assembly 23106, a second driving shaft 23105, a second speed reducer 23104, a first driving shaft 23103, a first speed reducer 23102, a first motor 23101, a third speed reducer 23107, a third driving shaft 23108, a fourth speed reducer 23109, a fourth driving shaft 23110 and a second telescopic supporting sliding assembly 23111, which are sequentially connected to form a door shape. The second speed reducer 23104 and the fourth speed reducer 23109 are respectively located at two top corners of the door shape, and the first telescopic support sliding assembly 23106 and the second telescopic support sliding assembly 23111 are respectively connected with the telescopic actuating mechanisms 232 in a one-to-one correspondence manner. In the present embodiment, the first and second telescopic support sliding assemblies 23106 and 23111 are simultaneously driven to slide in the longitudinal direction by the first motor 23101. In addition, the deployment and retraction of the organ cover can be achieved without electric power, and the manual driving mechanism 23112 includes a hand wheel driving lever 231121, a fifth driving shaft 231122 and a sixth driving shaft 231123, which are sequentially connected from bottom to top, a second gear 231124 provided on the sixth driving shaft 231123, and a first gear 231112 provided on the first screw assembly 231111 and engaged with the second gear 231124. The sixth transmission shaft 231123 is disposed parallel to the third sliding rail assembly 231116.

In addition, the first telescopic support sliding assembly 23106 and the second telescopic support sliding assembly 23111 of the present embodiment have the same structure, and the second telescopic support sliding assembly 23111 includes a first screw assembly 231111 disposed in the organ cover accommodating box 21 and in driving connection with the fourth transmission shaft 23110, a third slide rail sliding block assembly 231116 disposed at a lower portion of the first screw assembly 231111 along the direction of the first screw assembly 231111, a support rod mounting seat 23113 disposed on the third slide rail sliding block assembly 231116, a first screw nut seat 231114 sleeved on the first screw assembly 231111, and a first linkage plate 231115 disposed between the first screw nut seat 231114 and the support rod mounting seat 23113 and driving the support rod mounting seat 23113 to slide along the direction of the third slide rail sliding block assembly 231116. The first telescopic support sliding assembly 23106 and the second telescopic support sliding assembly 23111 drive the rear ends of the scissor support frames 2323 to provide motive power for unfolding and recovering the scissor support frames 2323. For example: the first telescopic support sliding assembly 23106 and the second telescopic support sliding assembly 23111 drive the scissor support frame 2323 upwards, so that the scissor support frame 2323 is unfolded, and the unfolding of the organ cover is achieved. Similarly, the first telescopic support sliding assembly 23106 and the second telescopic support sliding assembly 23111 drive the scissor support frame 2323 downwards, so that the organ cover is recovered.

In the present embodiment, the front roll-up door mechanism 3 can be realized to open or close the roll-up door in addition to the telescopic organ cover mechanism 2 being telescopic. Specifically, the front rolling door mechanism 3 includes a rolling door supporting frame 31 provided at the front end of the organ cover 22, two rolling doors 33 provided on the rolling door supporting frame 31 and sliding in opposite directions, and a rolling door driving mechanism 32 provided on the rolling door supporting frame 31 for driving the rolling doors 33 to roll and stretch.

The rolling door driving mechanism 32 includes a lower driving mechanism 321, an upper right driving mechanism 322 and an upper left driving mechanism 323 respectively disposed in the rolling door supporting frame 31, an upper sliding rail 325 disposed on an upper portion of an inner wall of the rolling door supporting frame 31, a lower sliding rail 324 disposed on a lower portion of an inner wall of the rolling door supporting frame 31, two sets of upper screw sliding bases 327 slidably disposed on the upper sliding rail 325, and two sets of lower screw sliding bases 326 slidably disposed on the lower sliding rail 324. The upper screw slider 327 and the lower screw slider 326 of the present embodiment are fixedly connected with the winding door 33. In the present embodiment, the lower driving mechanism 321, the upper right driving mechanism 322, and the upper left driving mechanism 323 drive the upper screw slider 327 and the lower screw slider 326 to slide, and open or close the roll-up door 33. When winding, the upper screw rod sliding seat 327 and the lower screw rod sliding seat 326 slide along the sliding rail direction, and the screw rod provides sliding power. Simultaneously, the first wind-up roll is used for winding, and the winding door is opened. Similarly, when the rolling door needs to be closed, the upper screw rod sliding seat 327 and the lower screw rod sliding seat 326 slide under the driving of the upper screw rod assembly and the lower screw rod assembly, and the rolling door is pulled to move and be closed. The first transition rollers 3214 and the first winding rollers 3212 are disposed on two sides of the inner portion of the winding door supporting frame 31 in a one-to-one correspondence manner, and the winding door 33 bypasses the first transition rollers 3214 and is connected with the first winding rollers 3212. The transition support is provided by a first transition roller 3214.

In this embodiment, the lower driving mechanism 321 includes a second motor 3211, and a lower screw assembly 3213 disposed along the lower sliding rail 324 and connected to the second motor 3211 in a linkage manner; the lower screw slider 326 is sleeved on the lower screw assembly 3213. The upper right driving mechanism 322 and the upper left driving mechanism 323 have the same structure, and the upper right driving mechanism 322 includes a third motor 3221, a pulley 3223 disposed at the top of the first winding roller 3212, a first chain 3222 disposed between the third motor 3221 and the pulley 3223, and an upper screw rod assembly 3224 disposed along the upper sliding rail 325 and rotationally coupled to the first winding roller 3212; the upper screw slider 327 is sleeved on the upper screw assembly 3224. The upper screw rod assembly 3224 is in meshed connection with the chain wheel 3223 through a bevel gear; while the first wind-up roller 3212 winds up, the screw on the upper screw rod assembly 3224 also rotates synchronously, so that the upper screw rod sliding seat 327 can be driven to move. In the upper left drive mechanism 323, a fourth motor 3231 and a second chain 3232 are provided. The two groups of rolling doors 33 are respectively rolled by adopting two first rolling rollers, wherein an upper right driving mechanism 322 drives the first rolling roller on the right side to roll the rolling door 33 on the right side, and an upper left driving mechanism 323 drives the first rolling roller on the left side to roll the rolling door 33 on the left side. The lower screw rod assembly 3213 is also connected with the second motor 3211 in a bevel gear meshing manner, and synchronously drives the screw rods of the lower screw rod assembly 3213 to rotate.

In this embodiment, two screws are disposed on the lower screw rod assembly 3213 and the upper screw rod assembly 3224, the two screws are coaxial, and the screw threads of the two screws are opposite in direction, for example, the screw threads of the screw rod on the left side (upper and lower) are opened clockwise, and the screw threads of the screw rod on the right side (upper and lower) are opened counterclockwise. In this way, when the screw rod rotates synchronously, the upper screw rod sliding seat 327 and the lower screw rod sliding seat 326 can move synchronously. For example: the upper and lower screw rods rotate clockwise, the upper screw rod sliding seat 327 and the lower screw rod sliding seat 326 on the left side approach to the middle, and the upper screw rod sliding seat 327 and the lower screw rod sliding seat 326 on the right side approach to the middle at the same time, so that the rolling door is closed; then, the upper and lower lead screws are rotated counterclockwise, the upper lead screw slider 327 and the lower lead screw slider 326 on the left side are moved toward the left side end, and the upper lead screw slider 327 and the lower lead screw slider 326 on the right side are moved toward the right side end, so that the winding door is opened.

The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, but all changes made by adopting the design principle of the present utility model and performing non-creative work on the basis thereof shall fall within the scope of the present utility model.

Claims (10)

1. The rear tail end protection cabin of the special vehicle is characterized by comprising a telescopic organ cover mechanism (2) and a front rolling door mechanism (3); the telescopic organ cover mechanism (2) is arranged at the rear end of the container; the front rolling door mechanism (3) is arranged at the front end of the telescopic organ cover mechanism (2); the telescopic organ cover mechanism (2) comprises an organ cover accommodating box (21), an organ cover (22) arranged in the organ cover accommodating box (21), an organ cover driving mechanism (23) arranged in the organ cover accommodating box (21) and used for driving the organ cover (22) to stretch and retract, and a controller (24) arranged in the organ cover accommodating box (21) and electrically connected with the organ cover driving mechanism (23); the front rolling door mechanism (3) comprises a rolling door support frame (31) arranged at the front end of the organ cover (22), two groups of rolling doors (33) which are arranged on the rolling door support frame (31) and slide in opposite directions, and a rolling door driving mechanism (32) which is arranged on the rolling door support frame (31) and is used for driving the rolling door (33) to roll and stretch;

the organ cover driving mechanism (23) comprises a telescopic driving mechanism (231) arranged in the organ cover accommodating box (21), two groups of telescopic actuating mechanisms (232) respectively arranged on two sides of the inner wall of the organ cover accommodating box (21) and connected with the telescopic driving mechanism (231) in a linkage manner, and a lower telescopic supporting mechanism (233) arranged on the lower part of the inner wall of the organ cover accommodating box (21) and used for supporting the organ cover (22);

the rolling door driving mechanism (32) comprises a lower driving mechanism (321), an upper right driving mechanism (322) and an upper left driving mechanism (323) which are respectively arranged in the rolling door supporting frame (31), an upper sliding rail (325) which is arranged at the upper part of the inner wall of the rolling door supporting frame (31), a lower sliding rail (324) which is arranged at the lower part of the inner wall of the rolling door supporting frame (31), two groups of upper screw rod sliding seats (327) which are arranged on the upper sliding rail (325) in a sliding manner, and two groups of lower screw rod sliding seats (326) which are arranged on the lower sliding rail (324) in a sliding manner; the upper screw rod sliding seat (327) and the lower screw rod sliding seat (326) are fixedly connected with the winding door (33); the lower driving mechanism (321), the upper right driving mechanism (322) and the upper left driving mechanism (323) drive the upper screw rod sliding seat (327) and the lower screw rod sliding seat (326) to slide, and the rolling door (33) is opened or closed.

2. The rear end protection cabin of a special vehicle according to claim 1, characterized in that the telescopic actuator (232) comprises a first longitudinal beam (2321) and a second longitudinal beam (2322) arranged in the longitudinal direction and arranged in an organ cover (22), and a scissor support (2323) with a rear end arranged on the telescopic drive mechanism (231) and connected to the first longitudinal beam (2321) and the second longitudinal beam (2322).

3. The rear end protective cabin of a special vehicle according to claim 2, wherein the scissors supporting frame (2323) comprises a first supporting rod (23231) with a lower end connected with the telescopic driving mechanism (231) in a shaft mode, a second supporting rod (23232) with a middle part connected with a middle rotating shaft of the first supporting rod (23231) and a lower part connected with a lower part of the first longitudinal beam (2321) in a sliding mode, a third supporting rod (23233) with a lower part connected with the telescopic driving mechanism (231) in a shaft mode and an upper part connected with an upper rotating shaft of the second longitudinal beam (2322), a fourth supporting rod (23234) with a middle part connected with a rotating shaft of the third supporting rod (23233) and a lower part connected with a lower part of the second longitudinal beam (2322) in a sliding mode, a second sliding rail sliding block assembly (23236) arranged between the lower part of the second longitudinal beam (2322) and the lower part of the first longitudinal beam (2321), and a first sliding rail sliding block assembly (23235) arranged between the lower part of the fourth supporting rod (23234) and the lower part of the second longitudinal beam (2322).

4. The rear end protection cabin of a special vehicle according to claim 1, wherein the telescopic driving mechanism (231) comprises a first telescopic supporting sliding assembly (23106), a second transmission shaft (23105), a second speed reducer (23104), a first transmission shaft (23103), a first speed reducer (23102), a first motor (23101), a third speed reducer (23107), a third transmission shaft (23108), a fourth speed reducer (23109), a fourth transmission shaft (23110) and a second telescopic supporting sliding assembly (23111) which are sequentially connected to form a door shape; the second speed reducer (23104) and the fourth speed reducer (23109) are respectively positioned at two vertex angles of the door shape; the first telescopic support sliding assemblies (23106) and the second telescopic support sliding assemblies (23111) are respectively connected with the telescopic actuating mechanisms (232) in a one-to-one correspondence manner; the first motor (23101) synchronously drives the first telescopic support sliding assembly (23106) and the second telescopic support sliding assembly (23111) to slide along the longitudinal direction.

5. The rear end protection cabin of a special vehicle according to claim 4, wherein the first telescopic support sliding component (23106) and the second telescopic support sliding component (23111) have the same structure, and the second telescopic support sliding component (23111) comprises a first screw component (231111) which is arranged in the organ cover accommodating box (21) and is in transmission connection with the fourth transmission shaft (23110), a third slide rail sliding component (231116) which is arranged at the lower part of the first screw component (231111) along the direction of the first screw component (231111), a support rod mounting seat (23113) which is arranged on the third slide rail sliding component (231116), a first screw nut seat (231114) which is sleeved on the first screw component (231111), and a first linkage plate (231115) which is arranged between the first screw nut seat (231114) and the support rod mounting seat (23113) and drives the support rod mounting seat (23113) to slide along the direction of the third slide rail sliding component (231116).

6. The special vehicle rear end protection cabin of claim 5, further comprising a manual drive mechanism (23112); the manual driving mechanism (23112) comprises a hand wheel driving rod (231121), a fifth transmission shaft (231122) and a sixth transmission shaft (231123) which are sequentially connected from bottom to top, a second gear (231124) arranged on the sixth transmission shaft (231123), and a first gear (231112) arranged on the first screw rod assembly (231111) and meshed with the second gear (231124); the sixth transmission shaft (231123) is arranged in parallel with the third sliding rail and sliding block assembly (231116).

7. A special vehicle rear end protection cabin according to any one of claims 1-6, further comprising a rear support frame (1); the rear supporting frame (1) is arranged between the telescopic organ cover mechanism (2) and the container.

8. The rear tail end protection cabin of a special vehicle according to claim 1, wherein first transition rollers (3214) and first winding rollers (3212) are arranged on two sides of the interior of the winding door supporting frame (31) in one-to-one correspondence; the winding door (33) bypasses the first transition roller (3214) and is connected with the first winding roller (3212).

9. The rear end protection cabin of a special vehicle according to claim 1 or 8, wherein the lower driving mechanism (321) comprises a second motor (3211), and a lower screw assembly (3213) is arranged along the lower sliding rail (324) and is in linkage connection with the second motor (3211); the lower screw rod sliding seat (326) is sleeved on the lower screw rod assembly (3213).

10. The rear end protective cabin of a special vehicle according to claim 9, characterized in that the upper right driving mechanism (322) and the upper left driving mechanism (323) have the same structure, and the upper right driving mechanism (322) comprises a third motor (3221), a chain wheel (3223) arranged at the top of the first wind-up roller (3212), a first chain (3222) arranged between the third motor (3221) and the chain wheel (3223), and an upper screw rod assembly (3224) arranged along the upper sliding rail (325) and rotationally linked with the first wind-up roller (3212); the upper screw rod sliding seat (327) is sleeved on the upper screw rod assembly (3224); two screw rods are arranged on the lower screw rod assembly (3213) and the upper screw rod assembly (3224), and the screw threads of the two screw rods are opposite in direction.