CN213087901U

CN213087901U - Cat ladder device and transport vechicle of transport vechicle

Info

Publication number: CN213087901U
Application number: CN202021362062.4U
Authority: CN
Inventors: 傅钱陈; 傅卫星; 蒋凯峰
Original assignee: Zhongji An Ruihuan Technology Co ltd
Current assignee: Zhongji An Ruihuan Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-30
Anticipated expiration: 2030-07-10

Abstract

The application provides a cat ladder device and transport vechicle of transport vechicle, the transport vechicle is including a jar body, frame and cat ladder device, and the jar body is located on the frame, cat ladder device is located jar body one side. The ladder stand device comprises a fixed ladder stand, an overturning ladder stand and two connecting plates. The fixed cat ladder is fixed in jar body one side, and the top of fixed cat ladder extends to the top of the jar body. One end of the overturning crawling ladder is movably connected with the bottom of the fixed crawling ladder, so that the overturning crawling ladder can be overturned relative to the fixed crawling ladder to be folded or extend downwards, and workers can conveniently reach the top of the tank body from the ground through the crawling ladder device to carry out maintenance or cleaning and the like.

Description

Cat ladder device and transport vechicle of transport vechicle

Technical Field

The utility model relates to a storage tank box technical field, in particular to cat ladder device and transport vechicle of transport vechicle.

Background

During road transportation, the jar body of storage tank case is placed on the frame, and jar body bottom has one section distance with ground, and the staff must climb to the frame earlier when jar body top from ground, then climb to the top through the cat ladder of jar body self, but the cat ladder on the jar body can't extend to ground. Therefore, the operators need to climb to the top of the tank body to operate the tank body in actual work often encounter difficulties.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cat ladder device and transport vechicle of transport vechicle for solve the problem that the cat ladder on the jar body can't extend to ground.

The technical scheme is as follows: a ladder climbing apparatus of a transportation vehicle, the transportation vehicle including a tank body and a frame, the ladder climbing apparatus comprising: the fixed crawling ladder is fixed on one side of the tank body, and the top of the fixed crawling ladder extends to the top end of the tank body; one end of the overturning crawling ladder is movably connected with the bottom of the fixed crawling ladder, so that the overturning crawling ladder can be overturned relative to the fixed crawling ladder to be folded or extend downwards; the two connecting plates are respectively arranged on two sides of the bottom of the fixed crawling ladder and connected with two sides of the overturning crawling ladder; each connecting plate comprises a first end and a second end, the first end is movably connected with the bottom of the fixed crawling ladder, and the second end is movably connected with the overturning crawling ladder; when the overturning crawling ladder is overturned to be folded, the first end is positioned below the second end; when the overturning crawling ladder is turned to extend out of the fixed crawling ladder downwards, the first end of the connecting plate is located above the second end.

Furthermore, the width of the overturning crawling ladder is larger than that of the fixed crawling ladder, the two connecting plates are respectively arranged on the outer side of the fixed crawling ladder, and the two connecting plates are respectively arranged on the inner side of the overturning crawling ladder.

Furthermore, through holes are formed in the bottoms of the two sides of the fixed crawling ladder, and connecting holes are formed in the two sides of the overturning crawling ladder; the connecting plate is connected with the fixed crawling ladder through a first movable connecting piece, and the connecting plate is connected with the overturning crawling ladder through a second movable connecting piece; the first movable connecting piece faces towards the inner side of the fixed crawling ladder, and the second movable connecting piece faces towards the outer side of the fixed crawling ladder.

Further, the first movable connecting piece and the second movable connecting piece both comprise a connecting shaft and a limiting piece; the connecting shaft is fixedly connected with the connecting plate and is vertical to the connecting plate; the connecting shaft is provided with a through opening, and the axis of the through opening is vertical to the axis of the connecting shaft; the limiting piece is inserted into the opening to limit the fixed crawling ladder or the overturning crawling ladder.

Further, the connecting shaft is a pin shaft, and the limiting part is a cotter pin.

Further, a first gasket is arranged between the connecting plate and the fixed crawling ladder; and a second gasket is arranged between the connecting plate and the overturning crawling ladder.

Further, a third gasket is arranged between the limiting piece and the fixed crawling ladder; and a fourth gasket is arranged between the limiting part and the overturning crawling ladder.

Furthermore, a plurality of fixing pieces are arranged at intervals along the height direction of the fixed ladder stand; the fixing piece comprises a base and a positioning piece; the base is fixed on the side face of the fixed crawling ladder and provided with a groove, and the overturning crawling ladder is provided with a jack corresponding to the groove; the positioning piece is inserted into the insertion hole and the groove to fix the overturning crawling ladder.

Further, the positioning piece is a bolt.

Further, when the overturning crawling ladder is overturned to extend out of the fixed crawling ladder downwards, a preset distance is reserved between the overturning crawling ladder and the ground.

Further, when the overturning crawling ladder is overturned to extend out of the fixed crawling ladder downwards, the overturning crawling ladder extends to the ground, and the overturning crawling ladder is arranged vertically or obliquely.

The application also provides a transport vehicle, which comprises a tank body, a frame and any one of the ladder stand devices, wherein the tank body is arranged on the frame, and the ladder stand device is arranged on one side of the tank body.

According to the technical scheme, the method has the following advantages that:

the application provides a cat ladder device of transport vechicle, the transport vechicle is including a jar body, frame and cat ladder device, and the jar body is located on the frame, cat ladder device is located jar body one side. The ladder stand device comprises a fixed ladder stand, an overturning ladder stand and two connecting plates. The fixed cat ladder is fixed in jar body one side, and the top of fixed cat ladder extends to the top of the jar body. One end of the overturning crawling ladder is movably connected with the bottom of the fixed crawling ladder, so that the overturning crawling ladder can be overturned relative to the fixed crawling ladder to be folded or extend downwards. Wherein, the upset cat ladder passes through two connecting plates and fixed cat ladder swing joint, and two connecting plates set up respectively in the both sides of fixed cat ladder bottom to be connected with the both sides of upset cat ladder. Each connecting plate includes first end and second end, first end and the bottom swing joint of fixed cat ladder, second end and upset cat ladder swing joint.

When the overturning crawling ladder is overturned to be folded, the second end of the connecting plate is higher than the first end and is vertically arranged. When the overturning crawling ladder is overturned to extend out of the fixed crawling ladder downwards, the first end of the connecting plate is arranged above the second end. The overturning crawling ladder extends downwards to the ground, so that a user can conveniently reach the top of the tank body through the crawling ladder device, and related operation is performed.

Drawings

Fig. 1 is a front view of a ladder climbing device of a transportation vehicle according to an embodiment of the present application;

FIG. 2 is a side view of a ladder climbing device of a transportation vehicle according to an embodiment of the present disclosure;

fig. 3 is a sectional view taken at a of fig. 1.

The reference numerals are explained below: 1. a transport vehicle; 11. a tank body; 12. a frame; 13. a ladder climbing device; 131. Fixing the crawling ladder; 1311. a first support beam; 1312. a first connecting beam; 132. turning over the ladder stand; 1321. a second support beam; 1322. a second connecting beam; 133. a connecting plate; 1331. a first end; 1332. a second end; 134. a first movable connector; 1343. a first gasket; 1344. a second gasket; 1345. a third gasket; 1346. a fourth gasket; 135. a second movable connection; 1351. a connecting shaft; 1352. a limiting member; 136. a fixing member; 1361. a base; 1362. a positioning member.

Detailed Description

Exemplary embodiments that embody features and advantages of the present application will be described in detail in the following description. It is understood that the present application is capable of many variations in different embodiments without departing from the scope of the invention, and that the description and drawings herein are to be taken as illustrative and not restrictive in character.

The application provides a transport vehicle for transporting goods.

The transport vehicle 1 comprises a tank body 11, a frame 12 and a ladder climbing device 13, wherein the tank body 11 is arranged on the frame 12, and the ladder climbing device 13 is arranged on one side of the tank body 11. The ladder climbing device 13 can extend from the ground to the top of the tank body 11, so that the maintenance or cleaning work by workers is facilitated.

Referring to figures 1 and 2, in the embodiment of the application the ladder stand means 13 comprises a fixed ladder stand 131, a flip ladder stand 132 and a web 133. The fixed ladder stand 131 and the turning ladder stand 132 are connected with the connecting plate 133 in a hinged manner, so that the turning ladder stand 132 can be turned relative to the fixed ladder stand 131 to be folded or extend downwards to the ground, so that a user can conveniently use the ladder stand device 13 to reach the top of the tank body 11. In other embodiments, not shown, the connection manner between the fixed ladder stand 131 and the turning ladder stand 132 and the connection plate 133 is not limited to hinge connection, and may also be movably connected by means of bolts, sliding grooves, etc. to ensure that the turning ladder stand 132 can turn relative to the fixed ladder stand 131.

The fixed ladder stand 131 is fixedly arranged on one side of the tank body 11, and the top of the fixed ladder stand 131 extends to the top end of the tank body 11. In the embodiment of the present application, the bottom of the fixed ladder 131 is fixedly connected to the frame 12, and the top is fixedly connected to the frame of the tank 11. In other embodiments, the fixed ladder 131 may be fixed to one side of the tank 11 by other methods.

Specifically, in some embodiments, the fixed ladder 131 includes two first support beams 1311 arranged in parallel spaced apart relation and a first connecting beam 1312 connected between the two first support beams 1311, and the two first support beams 1311 are arranged in spaced apart relation along the length of the frame 12.

For convenience of description, the longitudinal direction of the frame 12 is defined as the longitudinal direction, and the width direction of the frame 12 is defined as the lateral direction.

The bottom of each of the two first support beams 1311 of the fixed ladder 131 is provided with a through hole (not numbered in the figure), and the axis of the through hole is perpendicular to the axis of the first support beam 1311.

The turning ladder stand 132 is provided with a first end and a second end, the first end of the turning ladder stand 132 is hinged with the bottom of the first supporting beam 1311 of the fixed ladder stand 131, so that the second end of the turning ladder stand 132 can be turned relative to the fixed ladder stand 131 to be folded or extend downwards and extend to the ground, and therefore workers can conveniently reach the top of the tank body 11 through the turning ladder stand 132 to perform related maintenance or cleaning work and the like. When the flip ladder 132 is stowed, the second end is flipped over to be above the first end. The second end extends to the ground when the flip ladder 132 is extended downward.

The connection between the first end of the turning ladder 132 and the bottom of the first support beam 1311 of the fixed ladder 131 is not limited to a hinge connection, but may be a flexible connection via bolts, sliding grooves, etc. to ensure that the turning ladder 132 can be turned relative to the fixed ladder 131.

Specifically, in some embodiments, the turn ladder 132 includes two second support beams 1321 spaced in parallel and a second connecting beam 1322 connected between the two second support beams 1321, and the two second support beams 1321 are spaced along the length of the frame 12.

Further, the width of the ladder stand 132 is greater than the width of the fixed ladder stand 131, i.e., the length of the second connecting beam 1322 is greater than the length of the first connecting beam 1312, so that the ladder stand 132 does not occupy as much space as possible when stowed.

The two second support beams 1321 of the turning ladder stand 132 are both provided with a connecting hole (not numbered in the figure) which is arranged at the first end of the turning ladder stand 132, and the movable connection between the turning ladder stand 132 and the connecting plate 133 can be realized through the connecting hole.

Referring to fig. 1 and 3, two connecting plates 133 are respectively disposed on the outer sides of the fixed ladder 131 and the inner sides of the turning ladder 132.

Specifically, the two connecting plates 133 are respectively disposed on two sides of the bottom of the first supporting beam 1311 of the fixed ladder 131, and are connected to the second supporting beam 1321 of the first end of the turning ladder 132. Each connecting plate 133 comprises a first end 1331 and a second end 1332, the first end 1331 being hingedly connected to the bottom of the first support beam 1311 of the fixed ladder 131 and the second end 1332 being hingedly connected to the second support beam 1321 of the ladder 132. And first end 1331 may be spaced apart from second end 1332. In some embodiments, not shown, the connection manner between the first end 1331 and the bottom of the first support beam 1311 of the fixed ladder 131 and the connection manner between the second end 1332 and the second support beam 1321 of the turnover ladder 132 are not limited to hinge connection, and may be movable connection through bolts or sliding grooves.

In the present embodiment, when the ladder stand 132 is turned to be retracted, the first end 1331 is located below the second end 1332, and the connecting plate 133 is in a vertical state or an inclined state. When the overturning ladder stand 132 is overturned to extend downwards out of the fixed ladder stand 131, the first end 1331 of the connecting plate 133 is positioned above the second end 1332.

In the embodiment of the present application, when the overturning ladder stand 132 is overturned to extend downward out of the fixed ladder stand 131, the overturning ladder stand 132 has a predetermined distance from the ground. The preset distance can be within the range of 1m, and the worker can safely climb to the fixed ladder stand 131 and the top of the tank body 11 from the overturning ladder stand 132 to perform operation.

In some embodiments, not shown, the ladder stand 132 may be extended to the ground when the ladder stand 132 is tipped to extend downwardly beyond the fixed ladder stand 131, with the web 133 positioned parallel to the first support beam 1311 and the first end 1331 of the web 133 positioned above the second end 1332.

In other embodiments, when the ladder stand 132 is pivoted to extend downwardly beyond the fixed ladder stand 131, the ladder stand 132 may be extended to the ground, and the connecting plate 133 is pivoted from a vertical position to an inclined position, where the vertical position and the inclined position are relative to the first support beam 1311, i.e., a vertical position parallel to the first support beam 1311, and an inclined position where the angle is relative to the first support beam 1311. When the connecting plate 133 is in an inclined position, i.e. the overturning ladder stand 132 is at an angle with the fixed ladder stand 131, the first end 1331 of the connecting plate 133 is located obliquely above the second end 1332.

A certain angle may be formed between the turning ladder 132 and the fixed ladder 131 to ensure safety when workers climb the ladder. The angle may be within 30 degrees. The angle at which the climbing ladder 132 tilts relative to the fixed ladder 131 can be flexibly set according to the actual height from the ground, and particularly, the angle between the climbing ladder 132 and the fixed ladder 131 is different by setting the connecting plates 133 with different lengths, namely, different distances between the first end 1331 and the second end 1332.

In some embodiments, the connecting plate 133 is connected to the fixed ladder 131 by a first movable connector 134, and the connecting plate 133 is connected to the inverted ladder 132 by a second movable connector 135. The first movable connector 134 faces inwardly of the fixed ladder 131 and the second movable connector 135 faces outwardly of the fixed ladder 131.

Further, a first washer 1343 is provided between the connection plate 133 and the fixed ladder 131. A second washer 1344 is provided between the connecting plate 133 and the ladder stand 132.

The second movable connecting member 135 includes a connecting shaft 1351 and a retaining member 1352. The connecting shaft 1351 is fixedly connected to the connecting plate 133 and is perpendicular to the connecting plate 133. The connecting shaft 1351 has a through opening (not numbered) therein, and an axis of the through opening is perpendicular to an axis of the connecting shaft 1351. The retaining members 1352 are inserted into the openings to retain the fixed ladder 131 or the inverted ladder 132 so that the inverted ladder 132 can be flipped up or down relative to the fixed ladder 131 and extended to the ground.

Specifically, the connecting shaft 1351 may be a pin, and the limiting member 1352 may be a cotter.

A fourth washer 1346 is disposed between the limiting member 1352 of the second movable connecting member 135 and the ladder stand 132.

The first movable connecting element 134 and the second movable connecting element 135 have the same structure, and reference may be made to the description of the second movable connecting element 135, which is not repeated herein. The first movable connecting piece 134 realizes a hinge connection between the fixed ladder 131 and the connecting plate 133. In other embodiments not shown, the connection between the fixed ladder 131 and the connecting plate 133 is not limited to a hinged connection, and may be connected by bolts or sliding grooves.

The fact that the flip ladder 132 can be flipped relative to the fixed ladder 131 to be stowed up or extended down and to the ground is achieved by the attachment plate 133, the first movable connector 134 and the second movable connector 135.

Further, a third washer 1345 is disposed between the limiting member of the first movable connecting member 134 and the fixed ladder 131.

It should be noted that the first washer 1343, the second washer 1344, the third washer 1345 and the fourth washer 1346 can reduce the frictional resistance between the fixed ladder 131 and the inverted ladder 132 and the web 133. They may be of the same size or of different sizes. Particularly, the flexible configuration can be performed according to the actual use condition of the first movable connecting element 134 and the second movable connecting element 135.

Further, along the height direction of the two first support beams 1311, the fixing members 136 are provided at intervals outside the first support beams 1311. The securing member 136 includes a base 1361 and a securing member 1362. The base 1361 is fixed to a side surface of the fixed ladder 131 and is spaced above the through hole along a height direction of the first support beam 1311, the base 1361 has a groove (not numbered), and the positioning member 1362 can be inserted into the groove and the turnover ladder 132 to fix the turnover ladder 132.

The space between the two first support beams 1311 is referred to as the inner side, and the opposite side is referred to as the outer side, with reference to the state where the ladder 131 is fixed.

The retainer 1362 may be a latch that moves linearly based on the base 1361.

The second support beam 1321 of the turnover ladder 132 has a receptacle (not numbered) corresponding to the recess of the base 1361. The keeper 1362 is inserted into the receptacle and recess so that the inverted ladder 132 may be secured to the fixed ladder 131 when in the stowed position.

The ladder climbing device 13 works as follows:

when the worker does not need to use the ladder stand 132, the ladder stand 132 is fixed to the fixed ladder stand 131 by the fixing member 136, and when the worker needs to reach the top of the tank 11 from the ground through the ladder stand device 13 for related maintenance or cleaning work, the positioning member 1362 is pulled out of the recess and the ladder stand 132 is turned to extend downward, and at this time, the second end 1332 of the connecting plate 133 is lower than the first end 1331, and the ladder stand 132 may have a certain angle with the fixed ladder stand 131. To facilitate access to the top of the tank 11 by personnel from the ground through the ladder climbing device 13.

When the worker finishes working and needs to pack up the turnover crawling ladder 132, the turnover crawling ladder 132 is rotated upwards, the turnover crawling ladder 132 is packed up relative to the fixed crawling ladder 131, and then the positioning piece 1362 is inserted into the insertion hole of the turnover crawling ladder 132 and the groove of the fixing piece 136, so that the turnover crawling ladder 132 is fixed.

The application has at least the following advantages:

in this application, the ladder stand device 13 comprises a fixed ladder stand 131, a flip ladder stand 132 and a connection plate 133. The fixed ladder stand 131 is fixedly arranged at one side of the tank body 11, and the fixed ladder stand 131 and the turning ladder stand 132 are movably connected with the connecting plate 133, so that the turning ladder stand 132 can be turned relative to the fixed ladder stand 131 to be folded upwards or extend downwards, and workers or users can conveniently reach the top of the tank body 11 from the ground through the ladder stand device 13.

In addition, in practice, the connecting plate 133 may have a certain length so that the overturning ladder stand 132 has a certain inclination angle with respect to the fixed ladder stand 131. The operation safety of staff or users is further guaranteed.

While the present application has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. The utility model provides a cat ladder device of transport vechicle, the transport vechicle includes a jar body and frame, its characterized in that, cat ladder device includes:

the fixed crawling ladder is fixed on one side of the tank body, and the top of the fixed crawling ladder extends to the top end of the tank body;

one end of the overturning crawling ladder is movably connected with the bottom of the fixed crawling ladder, so that the overturning crawling ladder can be overturned relative to the fixed crawling ladder to be folded or extend downwards;

the two connecting plates are respectively arranged on two sides of the bottom of the fixed crawling ladder and connected with two sides of the overturning crawling ladder; each connecting plate comprises a first end and a second end, the first end is movably connected with the bottom of the fixed crawling ladder, and the second end is movably connected with the overturning crawling ladder;

when the overturning crawling ladder is overturned to be folded, the first end is positioned below the second end; when the overturning crawling ladder is turned to extend out of the fixed crawling ladder downwards, the first end of the connecting plate is located above the second end.

2. The ladder stand device according to claim 1, wherein the width of the reverse ladder stand is larger than the width of the fixed ladder stand, and the two connection plates are respectively provided on the outer side of the fixed ladder stand and the inner side of the reverse ladder stand.

3. The ladder stand device as claimed in claim 2, wherein the bottom of both sides of the fixed ladder stand are provided with through holes, and both sides of the turnover ladder stand are provided with connecting holes; the connecting plate is connected with the fixed crawling ladder through a first movable connecting piece, and the connecting plate is connected with the overturning crawling ladder through a second movable connecting piece; the first movable connecting piece faces towards the inner side of the fixed crawling ladder, and the second movable connecting piece faces towards the outer side of the fixed crawling ladder.

4. The ladder climbing device according to claim 3, wherein the first and second movable connectors each comprise a connecting shaft and a stopper; the connecting shaft is fixedly connected with the connecting plate and is vertical to the connecting plate; the connecting shaft is provided with a through opening, and the axis of the through opening is vertical to the axis of the connecting shaft; the limiting piece is inserted into the opening to limit the fixed crawling ladder or the overturning crawling ladder.

5. The ladder climbing device according to claim 4, wherein the connecting shaft is a pin shaft and the stopper is a cotter pin.

6. A ladder climbing device according to claim 4 characterised in that a first washer is provided between the web and the fixed ladder; and a second gasket is arranged between the connecting plate and the overturning crawling ladder.

7. The ladder climbing device according to claim 4, wherein a third washer is arranged between the limiting member and the fixed ladder; and a fourth gasket is arranged between the limiting part and the overturning crawling ladder.

8. The ladder climbing device according to claim 1, wherein a plurality of fixing pieces are provided at intervals in a height direction of the fixed ladder climbing device; the fixing piece comprises a base and a positioning piece; the base is fixed on the side face of the fixed crawling ladder and provided with a groove, and the overturning crawling ladder is provided with a jack corresponding to the groove; the positioning piece is inserted into the insertion hole and the groove to fix the overturning crawling ladder.

9. A ladder climbing device according to claim 8 characterised in that the location member is a spigot.

10. The ladder stand apparatus of claim 1 wherein the inverted ladder stand is positioned a predetermined distance from the ground when the inverted ladder stand is inverted to extend downwardly beyond the fixed ladder stand.

11. The ladder stand apparatus of claim 1 wherein the ladder stand extends to the ground when the ladder stand is inverted to extend downwardly beyond the fixed ladder stand and the ladder stand is arranged vertically or inclined.

12. A carriage comprising a tank, a frame, and a ladder stand apparatus as claimed in any one of claims 1 to 9, the tank being provided on the frame, the ladder stand apparatus being provided on one side of the tank.