Inclined ladder assembly special for vehicle-mounted boarding cabin

Abstract

The utility model discloses a special inclined ladder assembly for vehicle-mounted boarding, which comprises an inclined ladder and a fixing mechanism for detachably connecting the inclined ladder to a trailer, the fixing mechanism comprises at least one fixing component, and the fixing components are fixedly connected to a hanging seat arranged at the tail of the trailer. Each fixing assembly comprises an inclined ladder fixing seat fixedly arranged on the hanging seat and a sleeving fixing part connected with the inclined ladder fixing seat, and the inclined ladder fixing seat and the sleeving fixing part are matched to form a fixing ring which sleeves the outer side of the inclined ladder and is adjustable in size; compared with the prior art, the inclined ladder is orderly and stably connected to the hanging seat arranged at the tail part of the trailer, so that the storage of the inclined ladder is reasonably and regularly carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inclined ladder assembly structure, specifically relates to a special inclined ladder assembly for vehicle-mounted boarding. BACKGROUND

[0002] The unmanned plane is generally packed and placed on the trailer to transport in the transportation process, because the tail box of the trailer has a certain height, the staff generally erects an inclined ladder to form a channel at the tail box first, and then two staffs cooperate to lift the packing box from the inclined ladder to the tail box to complete loading, and after completing loading, the inclined ladder is directly placed in the tail box for next use, so that the storage of the inclined ladder is irregular. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a special inclined ladder assembly for vehicle-mounted boarding to solve the problem of irregular storage of the inclined ladder in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a special inclined ladder assembly for vehicle-mounted boarding, which comprises an inclined ladder, and a fixing mechanism for detachably connecting the inclined ladder to the trailer, wherein the fixing mechanism comprises:

[0005] A fixing assembly is provided on the trailer tail portion, each fixing assembly comprises an inclined ladder fixing seat fixed on the hanger and a sleeved fixing part connected with the inclined ladder fixing seat, and the inclined ladder fixing seat and the sleeved fixing part cooperate to form a fixing ring with adjustable size sleeved on the outer side of the inclined ladder.

[0006] Compared with the prior art, the utility model has the following beneficial effects:

[0007] When the inclined ladder is stored, the special inclined ladder assembly for vehicle-mounted boarding is connected to the hanger provided on the trailer tail portion through the fixing mechanism formed by at least one fixing assembly, specifically, the inclined ladder fixing seat and the sleeved fixing part cooperate to form a fixing ring with adjustable size, the inclined ladder is positioned and fixed in the fixing ring, and then the inclined ladder is orderly and stably connected to the hanger provided on the trailer tail portion, so that the storage of the inclined ladder is reasonably regularized. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 The structure diagram of an embodiment of the utility model;

[0009] Figure 2 The structure diagram of an embodiment of the utility model; Figure 1 The enlarged view of part A in the structure diagram of the embodiment of the utility model;

[0010] Figure 3 The structure diagram of an embodiment of the utility model; Figure 2a partial sectional view of the inclined ladder in use and cooperating with the hanging seat;

[0011] Figure 4 for Figure 1 structure diagram of the inclined ladder fixing seat;

[0012] Figure 5 a partial sectional view of the inclined ladder in use and cooperating with the hanging seat in an embodiment of the utility model.

[0013] The reference signs in the drawings of the specification include: inclined ladder 1, fixing assembly 2, inclined ladder fixing seat 21, bottom support plate 211, front limiting plate 212, rear limiting plate 213, sleeving fixing part 22, pull buckle belt 221, tensioner 222, device shell 2221, first movable rod 2222, second movable rod 2223, hook 2224, mounting shell 2225, adjusting screw 2226, driven bevel gear 2227, driving bevel gear 2228, adjusting handle 2229, connecting belt 223, hanging seat 3, positioning pin 4, hanging hook 5, overlapping part 51, hook part 52, hanging groove 6. DETAILED DESCRIPTION

[0014] The utility model will be further explained in detail through specific embodiments as follows:

[0015] As Figure 1 shown, the utility model discloses an inclined ladder assembly special for vehicle-mounted boarding, which comprises an inclined ladder 1 and a fixing mechanism for detachably connecting the inclined ladder 1 to a trailer, wherein the fixing mechanism comprises a fixing assembly 2, the fixing assembly 2 is at least one and is fixedly connected to a hanging seat 3 arranged at the tail of the trailer, each fixing assembly 2 comprises an inclined ladder fixing seat 21 fixedly arranged on the hanging seat 3 and a sleeving fixing part 22 connected to the inclined ladder fixing seat 21, and the inclined ladder fixing seat 21 cooperates with the sleeving fixing part 22 to form a fixing ring of adjustable size sleeved outside the inclined ladder 1.

[0016] When the inclined ladder 1 is stored, the inclined ladder assembly special for vehicle-mounted boarding is detachably connected to the hanging seat 3 arranged at the tail of the trailer through the fixing mechanism formed by at least one fixing assembly 2, specifically, the inclined ladder fixing seat 21 and the sleeving fixing part 22 cooperate to form a fixing ring of adjustable size, the inclined ladder 1 is positioned and fixed in the fixing ring, and then the inclined ladder 1 is orderly and stably connected to the hanging seat 3 arranged at the tail of the trailer, so that the storage of the inclined ladder 1 is reasonably regularized.

[0017] In the embodiment, the number of the fixing assembly 2 is two, and the two fixing assemblies 2 position and fix the two ends of the inclined ladder 1 in a sleeving manner, so as to ensure the stable fixing of the inclined ladder 1 during storage.

[0018] For better understanding of the scheme, the following will be further optimized for the inclined ladder fixed seat 21 and the sleeve fixed part 22 and other structures.

[0019] As Figure 1 , Figure 2 and Figure 3 indicated, according to another embodiment of the utility model, the sleeve fixed part 22 includes a pull buckle belt 221, a tensioner 222 and a connecting belt 223, the pull buckle belt 221 is connected with one end of the inclined ladder fixed seat 21, the tensioner 222 is connected with the pull buckle belt 221, one end of the connecting belt 223 is connected with the other end of the inclined ladder fixed seat 21 and the other end is connected with the tensioner 222.

[0020] In the embodiment, the pull buckle belt 221, the tensioner 222, the connecting belt 223 and the inclined ladder fixed seat 21 are connected to form a fixed ring, after one end of the inclined ladder 1 is placed in the fixed ring, the size of the fixed ring is reduced by the tensioner 222 until the inclined ladder 1 is stably sleeved and fixed.

[0021] Based on the above scheme:

[0022] The tensioner 222 includes a shell 2221, a first movable rod 2222, a second movable rod 2223 and an adjusting part, one end of the first movable rod 2222 is freely inserted into the shell 2221 and the other end is rotatably connected with a hanging ring connected with the pull buckle belt 221, one end of the second movable rod 2223 is freely inserted into the shell 2221 and the other end is rotatably connected with a hook 2224, the hook 2224 is connected with the connecting belt 223, the adjusting part is arranged on the shell 2221 and connected with the first movable rod 2222 and the second movable rod 2223, for moving the first movable rod 2222 and the second movable rod 2223 towards or away from each other.

[0023] The shell 2221 is used as the mounting support body of the first movable rod 2222, the second movable rod 2223 and the adjusting part, when the inclined ladder 1 is stored, the hook 2224 is hung on the connecting belt 223 (a hanging hole matched with the hook 2224 is formed on the connecting belt 223), and then the pull buckle belt 221, the tensioner 222, the connecting belt 223 and the inclined ladder fixed seat 21 are connected to form a fixed ring, at this time, the first movable rod 2222 and the second movable rod 2223 are moved towards each other by the adjusting part, the fixed ring is reduced, and the inclined ladder 1 is fixedly sleeved in the fixed ring.

[0024] When the inclined ladder 1 needs to be used, the first movable rod 2222 and the second movable rod 2223 are moved away from each other by adjusting the adjusting part, the fixing ring is enlarged, at this time, the hook 2224 can be easily disconnected from the connecting belt 223, the fixing ring is opened, and then the inclined ladder 1 can be moved out of the inclined ladder fixing seat 21 for use.

[0025] The adjusting part comprises a mounting shell 2225, an adjusting screw 2226, a driven bevel gear 2227 and a driving bevel gear 2228. The mounting shell 2225 is arranged in the device shell 2221. The two ends of the adjusting screw 2226 are freely threaded out of the mounting shell 2225 and are in one-to-one correspondence with the first movable rod 2222 and the second movable rod 2223. The driven bevel gear 2227 is arranged in the mounting shell 2225 and is fixedly sleeved on the adjusting screw 2226. The driving bevel gear 2228 is arranged in the mounting shell 2225 and is in meshing connection with the driven bevel gear 2227. The adjusting handle 2229 is connected to the driving bevel gear 2228 and is freely threaded through the mounting shell 2225 and the device shell 2221 and is arranged outside the device shell 2221.

[0026] In the embodiment, the mounting shell 2225 protects the driven bevel gear 2227 and the driving bevel gear 2228 and ensures that the driven bevel gear 2227 and the driving bevel gear 2228 are stably connected. When adjusting, the adjusting handle 2229 is held to rotate the driving bevel gear 2228, drive the driven bevel gear 2227 to rotate, and rotate the adjusting screw 2226 together with the driven bevel gear 2227, so as to limit the rotation of the first movable rod 2222 and the second movable rod 2223. The first movable rod 2222 and the second movable rod 2223 can move towards or away from each other.

[0027] In order to stably move the first movable rod 2222 and the second movable rod 2223 towards or away from each other, a guide sliding groove is formed in the inner wall of the device shell 2221 along the moving direction of the first movable rod 2222. Two guide blocks are slidably arranged in the guide sliding groove and are in one-to-one correspondence with the first movable rod 2222 and the second movable rod 2223. The two guide blocks are guided by the guide sliding groove, so as to guide the first movable rod 2222 and the second movable rod 2223, and ensure that the first movable rod 2222 and the second movable rod 2223 stably move towards or away from each other when the adjusting handle 2229 is held to rotate.

[0028] As Figure 1 and Figure 4As shown, according to another embodiment of the present invention, the vehicle-mounted boarding ramp assembly includes a ramp fixing seat 21 comprising a bottom support plate 211, the bottom support plate 211 being fixedly connected to the hanging seat 3 and extending upward at its front end to form a front limiting plate 212, and the rear end of the bottom support plate 211 also extending upward to form a rear limiting plate 213, both the front limiting plate 212 and the rear limiting plate 213 being connected to the sleeve fixing part 22.

[0029] In this embodiment, the front limiting plate 212 has a connecting hole to connect with the pull tab 221 in the sleeve fixing part 22, and the rear limiting plate 213 has a connecting ring to connect with one end of the connecting strap 223 in the sleeve fixing part 22. The cooperation of the bottom support plate 211, the front limiting plate 212, and the rear limiting plate 213 forms a placement position for the inclined ladder 1 above the bottom support plate 211. The front limiting plate 212 and the rear limiting plate 213 provide a certain limiting effect on the inclined ladder 1, improving the placement stability of the inclined ladder 1 within the placement position. The height of the front limiting plate 212 is less than the height of the rear limiting plate 213.

[0030] To further improve the stability of the inclined ladder 1 when placed in the designated position, a positioning pin 4 is connected to the bottom support plate 211, and a positioning hole that mates with the positioning pin 4 is opened on the side wall of the inclined ladder 1. After the inclined ladder 1 is placed in the designated position, the positioning pin 4 passes through the positioning hole for positioning.

[0031] like Figure 5 As shown, according to another embodiment of the present utility model, the vehicle-mounted boarding ramp assembly has a hook 5 at the hanging end of the ramp 1, and a mounting slot 6 that cooperates with the hook is provided on the mounting base 3.

[0032] When the inclined ladder 1 is in use: the hook 5 is attached to the mounting groove 6, and the end of the inclined ladder 1 away from the hook 5 is supported on the ground for stable use. In this embodiment, the hook 5 includes an overlapping part 51 and a hook 2224. The overlapping part 51 is connected to the inclined ladder 1 and is used to fit against the top of the mounting base 3; the hook 2224 is connected to the overlapping part 51 and is arranged at an angle towards the inclined ladder 1 for attachment into the mounting groove 6. Here, the hook 5 is composed of the overlapping part 51 and the hook 2224, and the connection arrangement of the overlapping part 51 and the hook 2224 ensures that the hook 5 has a certain contact area with the mounting base 3, and the hook 2224 can be stably attached to the mounting groove 6, ensuring good stability of the inclined ladder 1 during use and making it safer to use.

[0033] When ladder 1 needs to be stowed, the vehicle-mounted boarding ramp assembly is as follows:

[0034] The inclined ladder 1 is placed horizontally in the placing position formed by the two inclined ladder fixing seats 21, then the hooks 2224 in the two fixing assemblies 2 are connected with the corresponding connecting belts 223, and then the adjusting screw rods 2226 in the two fixing assemblies 2 are gripped and rotated, so that the relative length of the tensioner 222 is shortened, and the inclined ladder 1 is finally sleeved and fixed.

[0035] When the vehicle-mounted boarding special inclined ladder assembly needs to be used, the following steps are performed:

[0036] The adjusting screw rods 2226 in the two fixing assemblies 2 are gripped and rotated, so that the relative length of the tensioner 222 is increased, and then the hooks 2224 in the two fixing assemblies 2 are disconnected with the corresponding connecting belts 223, and then the inclined ladder 1 is taken off from the placing position formed by the two inclined ladder fixing seats 21; then the hooks 5 at the two ends of the top of the inclined ladder 1 are connected with the hooking grooves 6 in the hooking seats 3 one by one, and the bottom end of the inclined ladder 1 is supported on the ground, so that the inclined ladder 1 can be used.

[0037] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A vehicle mounted boarding specific inclined ladder assembly comprising an inclined ladder, characterized in that, Also included is a fixing mechanism for detachably connecting the inclined ladder to the trailer, the fixing mechanism comprising: a fixing assembly, the fixing assembly being at least one and fixedly connected to a hanger seat arranged at the tail of the trailer, each fixing assembly comprising an inclined ladder fixing seat fixedly arranged on the hanger seat and a sleeving fixing part connected to the inclined ladder fixing seat, the inclined ladder fixing seat and the sleeving fixing part cooperating to form a fixing ring sleeved on the outside of the inclined ladder and adjustable in size.

2. The vehicle mounted boarding special inclined ladder assembly according to claim 1, characterized in that, The sleeving fixing part comprises: a drawstring, the drawstring being connected to one end of the inclined ladder fixing seat; a tensioner, the tensioner being connected to the drawstring; a connecting band, one end of the connecting band being connected to the other end of the inclined ladder fixing seat and the other end of the connecting band being connected to the tensioner.

3. The vehicle mounted boarding special inclined ladder assembly according to claim 2, characterized in that, The tensioner comprises: a housing; a first movable rod, one end of the first movable rod being freely inserted into the housing and the other end of the first movable rod being rotatably connected to a hanging ring connected to the drawstring; a second movable rod, one end of the second movable rod being freely inserted into the housing and the other end of the second movable rod being rotatably connected to a hook connected to the connecting band; an adjusting part, the adjusting part being arranged on the housing and connected to the first movable rod and the second movable rod, for moving the first movable rod and the second movable rod towards or away from each other.

4. The vehicle mounted boarding special inclined ladder assembly according to claim 3, characterized in that, The adjusting part comprises: a mounting shell, the mounting shell being arranged in the housing; adjusting screws, the adjusting screws being freely inserted into the mounting shell and being threadedly connected to the first movable rod and the second movable rod one by one; a driven bevel gear, the driven bevel gear being arranged in the mounting shell and fixedly sleeved on the adjusting screws; a driving bevel gear, the driving bevel gear being arranged in the mounting shell and meshing with the driven bevel gear, the driving bevel gear being connected to an adjusting handle freely passing through the mounting shell and the housing and being arranged outside the housing.

5. The vehicle mounted boarding special inclined ladder assembly according to claim 4, characterized in that, A guide sliding groove is formed on the inner wall of the housing along the moving direction of the first movable rod, two guide blocks are slidably arranged in the guide sliding groove, and the two guide blocks are connected to the first movable rod and the second movable rod one by one.

6. The vehicle mounted boarding special inclined ladder assembly according to claim 1, characterized in that, The inclined ladder fixing seat comprises: a bottom support plate, the bottom support plate being fixedly connected to the hanger seat and having a front end extending upward to form a front limiting plate, and a rear end of the bottom support plate also extending upward to form a rear limiting plate, the front limiting plate and the rear limiting plate being connected to the sleeving fixing part.

7. The vehicle mounted boarding special inclined ladder assembly according to claim 6, characterized in that, A positioning pin is connected to the bottom support plate, and a positioning hole is formed on the side wall of the inclined ladder and cooperates with the positioning pin.

8. The vehicle mounted boarding special inclined ladder assembly according to claim 1, characterized in that, A hanging hook is formed on the hanging end of the inclined ladder, and a hanging groove is formed on the hanger seat and cooperates with the hanging hook.

9. The vehicle mounted boarding special inclined ladder assembly according to claim 8, characterized in that, The hanging hook comprises: a lapping part, the lapping part being connected to the inclined ladder and being used to fit on the top of the hanger seat; a hook part, the hook part being connected to the lapping part and being arranged obliquely towards the inclined ladder, for being hung into the hanging groove to be connected.

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