CN217558243U

CN217558243U - Special working ladder device for side plate of van vehicle

Info

Publication number: CN217558243U
Application number: CN202221342757.5U
Authority: CN
Inventors: 王国华; 陈超; 陶名扬; 李国锋; 周亚迪; 熊帮辉
Original assignee: Ningbo Shuxiang New Material Co ltd
Current assignee: Ningbo Shuxiang New Material Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-11
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a special work ladder device for van curb plate, include: the ladder comprises a working ladder main body (1), a first connecting assembly (2) and a second connecting assembly (3) which are arranged on one side of the working ladder main body (1); the first connection assembly (2) comprises: the first connecting piece (21) and a first connecting seat (22) detachably connected with the first connecting piece (21); the second connecting assembly (3) comprises: a second connecting piece (31), a second connecting seat (32) which is detachably connected with the second connecting piece (31) and can lock the second connecting piece (31); along the length direction of work ladder main part (1), first coupling assembling (2) are located the top of second coupling assembling (3). The scheme is convenient and quick to take and place, safe and reliable to use and firm to fix.

Description

Special working ladder device for side plate of van vehicle

Technical Field

The utility model relates to a cat ladder technical field especially relates to a special work ladder device for van curb plate.

Background

The van vehicle is a common transportation carrier in cargo transportation, and the size and the position of a loading and unloading port of a van body are different along with the size of loaded cargos and different loading and unloading tools. The most common loading and unloading openings are generally arranged on the side or rear end surface of the carriage body. The goods are loaded and unloaded by manpower or a forklift. When large goods need to be loaded or unloaded from the top of the carriage by using a truck crane or a navigation crane. At this time, the carriage body is opened from the top, and the loading and unloading operation can be completed only by personnel from two sides of the carriage body by means of special climbing ladders. And the general movable ladder stand is not firmly fixed. Especially, when the shoes are at high altitude, the feet are easy to slip, and the personal safety is endangered. Moreover, the common ladder stand can only be used as an up-down ladder stand. When working aloft, the body has no place to lean on, and the hands can not be liberated, and the goods can not be operated. Therefore, a special working ladder is needed to solve the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special work ladder device for van curb plate.

In order to realize the above utility model purpose, the utility model provides a special work ladder device for van curb plate, include: the working ladder comprises a working ladder main body, a first connecting assembly and a second connecting assembly, wherein the first connecting assembly and the second connecting assembly are arranged on one side of the working ladder main body;

the first connection assembly includes: the first connecting piece is a first connecting seat detachably connected with the first connecting piece;

the second connection assembly includes: the second connecting piece is detachably connected with the second connecting piece, and the second connecting seat can lock the second connecting piece;

along the length direction of work ladder main part, first coupling assembling is located the top of second coupling assembling.

According to an aspect of the utility model, the work ladder main part includes: upright posts, pedals;

two upright posts are arranged in parallel;

the pedal is positioned between the two upright posts, and two opposite ends of the pedal are respectively fixedly connected with the upright posts;

a plurality of pedals are arranged in parallel at intervals along the length direction of the upright post;

the first connecting assembly and the second connecting assembly are respectively arranged on the two upright columns, and the first connecting assembly and the second connecting assembly are positioned on the same side of the upright columns;

and at least one first connecting component is arranged on the same upright column along the length direction of the upright column.

According to an aspect of the utility model, the work ladder main part still includes: a guardrail portion;

the fence portion includes: a plurality of arc-shaped guardrails;

along the length direction of the working ladder main body, a plurality of arc-shaped guardrails are arranged at intervals from top to bottom;

the two ends of the arc-shaped guardrail are fixedly connected with one sides, far away from the first connecting assembly and the second connecting assembly, of the stand columns respectively.

According to an aspect of the present invention, the guardrail portion further comprises: a pull rod;

along the extension direction of the pull rod, the arc-shaped guardrails are fixedly connected with the pull rod;

along the arc direction of arc guardrail, the pull rod interval is provided with a plurality ofly.

According to an aspect of the present invention, the first connecting member includes: the hook is arranged at the end part of the first rod part;

the first connecting seat comprises: the first fixing piece is arranged on a hanging rod on the first fixing piece;

the hook is detachably connected with the hanging rod.

According to an aspect of the present invention, the second connecting member includes: a second rod part, a locking piece arranged at the end part of the second rod part;

the second connection socket includes: the second fixing piece is arranged on the locking seat on the second fixing piece;

the end part of the second rod part is detachably supported on the locking seat, and the locking seat locks the second connecting piece through the locking piece.

According to one aspect of the present invention, the locking member is disposed at one side of the second rod portion and is disposed flush with the end surface of the second rod portion;

the locking piece is a plate-shaped body, and a positioning hole penetrating through the body of the plate-shaped body is formed in the plate-shaped body.

According to an aspect of the present invention, the locking seat includes: the supporting structure is arranged on the supporting structure and is used for matching and connecting the indexing pin with the positioning hole;

the supporting structure is of a rectangular structure, and a limiting groove matched with the shape of the end part of the second rod part is formed in the supporting structure;

the index pin is positioned on one side of the limiting groove.

According to one aspect of the present invention, the pedal is a rectangular plate-shaped body;

two ends of the pedal in the length direction are respectively and fixedly connected with the upright post;

one end of the pedal in the width direction is flush with one side, connected with the guardrail part, of the upright post, and the other end of the pedal exceeds the other side of the upright post.

According to one aspect of the present invention, the upper side of the pedal is provided with an anti-slip structure;

reinforcing ribs are arranged on the lower side of one end of the pedal, which is flush with one side of the upright post connected with the guardrail part;

the work ladder main body further comprises: a reinforcing bar;

the reinforcing rod is positioned between the two upright posts, and two opposite ends of the reinforcing rod are fixedly connected with the upright posts respectively;

along the length direction of stand, the stiffener is close to the lower extreme setting of stand.

According to the utility model discloses a scheme, this scheme can make things convenient for nimble connection on the connecting seat of preinstallation on van curb plate, can satisfy the needs of different positions, easy operation, swift.

According to the utility model discloses a scheme, this scheme is close to the position of upper end and is provided with the guardrail part, and the connection structure that the lower extreme set up has the locking effect, and then can effectively avoid the condition that personnel during operation appear falling, has ensured user's personal safety. When the scheme is not used, the novel bicycle can be conveniently taken down, so that the appearance is not influenced, and the width of the whole bicycle is not influenced.

According to the utility model discloses a scheme, this scheme is got and is put convenience, swift, uses safe and reliable, and is fixed firm.

Drawings

Fig. 1 is a structural view schematically showing a dedicated working ladder device according to an embodiment of the present invention;

fig. 2 is a perspective view schematically showing a dedicated working ladder device according to an embodiment of the present invention;

fig. 3 is a structural view schematically showing a first connector according to an embodiment of the present invention;

fig. 4 is a structural view schematically showing a second connecting socket according to an embodiment of the present invention;

fig. 5 is a view schematically showing an extended structure of an index pin according to an embodiment of the present invention;

fig. 6 is a retraction structure view schematically showing an index pin according to an embodiment of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In describing embodiments of the present invention, the terms "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and other terms are used in an orientation or positional relationship shown in the associated drawings for convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are not described herein in detail, but the present invention is not limited to the following embodiments.

With reference to fig. 1, 2, 3 and 4, according to an embodiment of the present invention, the present invention provides a special working ladder device for a side plate of a van, including: work ladder main part 1, first coupling assembling 2 and the second coupling assembling 3 that sets up in work ladder main part 1 one side. In the present embodiment, the working ladder main body 1 is connected to the side plate of the van through the first connection unit 2 and the second connection unit 3. In the present embodiment, the first connection assembly 2 includes: a first connector 21, a first connecting seat 22 detachably connected to the first connector 21; the second connecting assembly 3 includes: a second connecting member 31, and a second connecting seat 32 detachably connected to the second connecting member 31 and lockable to the second connecting member 31. In the present embodiment, the first joint module 2 is located above the second joint module 3 in the longitudinal direction of the ladder main body 1.

In the present embodiment, the first connecting seat 22 of the first connecting block 2 and the second connecting seat 32 of the second connecting block 3 may be previously set in a scene to be used as needed according to a scene in which the work ladder apparatus is used. For example, if will the utility model discloses a when the work ladder device is used for van curb plate, according to the position of needs installation, the region of difference sets up corresponding first connecting seat 22 and second connecting seat 32 respectively on the curb plate to make things convenient for the transform of work ladder main part 1 position.

Referring to fig. 1 and 2, according to an embodiment of the present invention, the working ladder main body 1 includes: upright 11 and pedal 12. In the present embodiment, two columns 11 are provided in parallel with each other; the material can be made of aluminum alloy, carbon fiber and other materials, and has the characteristics of high hardness and light weight.

In the present embodiment, the pedal 12 is located between two columns 11, and two opposite ends are respectively fixedly connected with the columns 11; the aluminum alloy material can be also arranged to ensure the structural strength and improve the use reliability of the scheme. In the present embodiment, a plurality of the steps 12 are provided in parallel with each other at intervals along the longitudinal direction of the column 11.

In the present embodiment, the first connecting component 2 and the second connecting component 3 are respectively disposed on the two upright posts 11, and the first connecting component 2 and the second connecting component 3 are located on the same side of the upright post 11. In the present embodiment, one or more first connecting members 2 may be provided on the same column 11, and for example, two first connecting members 2 may be provided at intervals along the length direction of the same column 11. Of course, the number of the first connecting assemblies 2 may be one, three, four, etc. according to the length of the upright post 11, and is specifically selected according to the length of the upright post 11.

Through the arrangement, the connecting assemblies with different structures are arranged on the stand column, so that the working ladder device can be flexibly disassembled and fixed, and the use convenience and reliability of the working ladder are effectively improved. In addition, through the selective setting one or more first coupling assembling on stand upper portion to and combine and set up the second coupling assembling that is used for the locking in stand lower part and can make the installation of work ladder device more reliable and more stable, very big improvement the security of using.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, according to an embodiment of the present invention, the working ladder main body 1 further includes: a guard rail portion 13. In the present embodiment, the guard rail portion 13 includes: a plurality of arc-shaped guardrails 131; along the length direction of the working ladder main body 1, a plurality of arc-shaped guardrails 131 are arranged at intervals from top to bottom. In this embodiment, two ends of the arc-shaped guardrail 131 are fixedly connected with one side of the upright post 11 far away from the first connecting component 2 and the second connecting component 3. In this embodiment, the arc-shaped protection fence 131 can be made of hard material, such as aluminum alloy and carbon fiber material. In this embodiment, the arc-shaped guard rails 131 are provided with four, but the number of the arc-shaped guard rails 131 may be set to other numbers as needed.

Through setting up in the aforesaid, the mode that sets up the arc guardrail in the work ladder main part can directly support with user's health and lean on, provides more abundant stable support for the user, the effectual safe in utilization that has ensured the user. In addition, through setting up to hard material's arc guardrail, can effectively guarantee the structural stability of arc guardrail, it is beneficial to further guarantee the use reliability and the security of this scheme.

Referring to fig. 1, 2, 3 and 4, according to an embodiment of the present invention, the guardrail portion 13 further includes: a pull rod 132. In the present embodiment, along the extending direction of the pull rod 132, the plurality of arc-shaped guardrails 131 are all fixedly connected with the pull rod 132; the plurality of pull rods 132 are arranged at intervals along the arc direction of the arc-shaped fence 131. In the present embodiment, the pull rod 132 is a linear rod, and the pull rods 132 are arranged in parallel. Along the length direction of the pull rod 132, a plurality of arc-shaped guardrails 131 are fixedly connected with corresponding positions on the pull rod 132 at equal intervals.

Through setting up the mode that the pull rod is connected with the arc guardrail, can effectually make the guardrail part form the frame construction of an arcuation, when having the advantage that structural strength is high, further improved the comprehensiveness to user protection. In addition, guardrail part through having high structural strength still has the effect of strengthening whole work ladder main part intensity for the bulk strength of this scheme is higher.

Referring to fig. 1, 2, 3 and 4, according to an embodiment of the present invention, the first connecting member 21 includes: a first lever part 211, and a hook 212 provided at an end of the first lever part 211. In the present embodiment, the first connecting member 21 is made of a hard material, such as an aluminum alloy or a carbon fiber material. Wherein, the hook 212 is integrally provided with the first rod part 211. In the present embodiment, the first lever portion 211 is formed to have a length to control the interval between the ladder main body and the installation position, and the hook 212 is formed to detachably connect to the first connector 22. In the present embodiment, the hook 212 has an L-shaped structure, and is specifically composed of a horizontal portion and a vertical portion that are disposed perpendicular to each other.

In the present embodiment, the first connector housing 22 includes: a first fixing member 221, and a hanging rod 222 mounted on the first fixing member 221. In this embodiment, the hook 212 is detachably connected to the hanging rod 222 to allow flexible attachment and detachment of the working ladder main body. In the present embodiment, the first connecting seat 22 has a hollow rectangular housing structure. The hanging rod 222 is disposed in the cavity of the first connecting seat 22, and the hanging rod 222 is disposed horizontally. In this embodiment, the hanging rod 222 and the bottom and the upper and lower side walls of the first connecting seat 22 are spaced from each other, so that the hook 212 can be conveniently inserted, the horizontal part of the hook 212 can be supported and the vertical part can be limited, and the mounting stability of the first connecting piece 21 can be realized.

In the present embodiment, the opening edge of the first connection seat 22 is provided with an annular support portion for realizing fixed connection with the van side plate, and in order to realize the fixation of the support portion, the rectangular shell structure of the first connection seat 22 can be embedded into the van side plate to realize the fixation of the first connection seat 22. With the above arrangement, the first connection seat 22 can be more stably installed. Meanwhile, the space on the inner side of the side plate is effectively utilized by adopting an embedded mode.

As shown in fig. 1, 2, 3 and 4, according to an embodiment of the present invention, the second connecting member 31 includes: a second rod part 311, and a locking member 312 provided at an end of the second rod part 311. In the present embodiment, the second connecting member 31 is made of a hard material, such as an aluminum alloy or a carbon fiber material. The locking member 312 is integrally disposed with an end of the second rod 311 or fixedly connected thereto by welding or the like. In the present embodiment, the length of the second lever portion 311 is used to control the distance between the ladder main body and the installation position, and the locking member 312 is used to detachably connect and lock the second connecting base 32.

In the present embodiment, the locking member 312 is disposed on one side of the second lever portion 311 and is disposed flush with an end surface of the second lever portion 311. In the present embodiment, the locking member 312 is located on one side of the second lever portion 311 in the horizontal direction. In the present embodiment, the locking piece 312 is a plate-shaped body, and a positioning hole 3121 penetrating the body is provided in the plate-shaped body.

In the present embodiment, the second connection holder 32 includes: a second fixing member 321, and a locking seat 322 installed on the second fixing member 321. In the present embodiment, the end of the second lever portion 311 is detachably supported on the lock seat 322, and the lock seat 322 locks the second connector 31 by the lock member 312. In the present embodiment, the second connection holder 32 has a hollow rectangular housing structure. The locking seat 322 is disposed in the cavity of the second connecting seat 32, and the locking seat 322 is disposed horizontally.

Referring to fig. 1, 2, 3 and 4, according to an embodiment of the present invention, the locking seat 322 includes: a supporting structure 3221, and an indexing pin 3222 disposed on the supporting structure 3221 and configured to cooperatively couple with the positioning hole 3121. In this embodiment, the supporting structure 3221 is rectangular, and the supporting structure 3221 is provided with a positioning groove 3221a matching with the end shape of the second rod 311. In the present embodiment, the indexing pin 3222 is located at one side of the spacing groove 3221a.

As shown in fig. 5 and 6, according to an embodiment of the present invention, the index pin 3222 includes: a handle 3222a, a spacing pin 3222b connected with the handle 3222a, an elastic element 3222c, and a hexagonal spacing block 3222d. In this embodiment, the hexagonal stopper 3222d is a hollow cylinder, and one end of the hexagonal stopper is connected to the supporting structure 3221 through a screw thread, and the other end of the hexagonal stopper is connected to the handle 3222 a. The spacing pin 3222b is slidably disposed in a hollow portion of the hexagonal spacing block 3222d, and can extend and retract under the control of the handle 3222 a. In this embodiment, the handle 3222a is also hollow and has one end closed and the other end slidably connected to the hexagonal stopper 3222d. In this embodiment, one end of spacing pin 3222b is connected to the closed end of handle 3222 a. The elastic element 3222c is sleeved on the spacing pin 3222b, and one end of the elastic element is connected to the annular step on the spacing pin 3222b, and the other end of the elastic element is abutted against one end of the hexagonal spacing block 3222d connected to the handle 3222 a.

In this embodiment, a position control structure is disposed between the handle 3222a and the hexagonal stopper 3222d, and when the position-limiting pin 3222b needs to be retracted, the handle 3222a is pulled out in a direction away from the hexagonal stopper 3222d and axially rotated by a certain angle (for example, 30 °), so that the position-limiting pin can be stably retracted into the hollow portion of the hexagonal stopper 3222d. When the head of the position-limiting pin 3222b needs to extend out, the handle 3222a is rotated reversely, so that the head of the position-limiting pin 3222b can be popped out under the action of the elastic element, and the positioning connection with the positioning hole 3121 is realized,

Referring to fig. 1 and 2, according to an embodiment of the present invention, the pedal 12 is a rectangular plate. In the present embodiment, both ends of the pedal 12 in the longitudinal direction are fixedly connected to the upright 11. In this embodiment, one end of the pedal 12 in the width direction is disposed flush with the side of the pillar 11 to which the guard rail portion 13 is connected, and the other end is disposed beyond the other side of the pillar 11.

Through the arrangement, one end of the pedal 12 in the width direction is flushed with one side of the stand column, and the other end of the pedal extends towards the other side of the stand column, so that a user can more conveniently use the space between the working ladder main body and the installation position from top to bottom from one side, and meanwhile, the pedal is reasonably utilized, and the structure of the scheme is more compact

Referring to fig. 1 and 2, according to an embodiment of the present invention, the upper side of the pedal 12 is provided with an anti-slip structure.

Through the arrangement, the use safety of the scheme is higher.

Referring to fig. 1 and 2, according to an embodiment of the present invention, a reinforcing rib is provided on the lower side of the flush end of the pedal 12 and the side of the upright 11 where the guardrail 13 is connected.

Through the arrangement, the structural strength of the end part of the pedal 12 is effectively enhanced, so that the structure of the scheme is more reliable, and the safety is higher.

With reference to fig. 1 and 2, according to an embodiment of the present invention, the working ladder body 1 further includes: a reinforcing rod 14. In the present embodiment, the reinforcing rod 14 is located between the two upright posts 11, and two opposite ends of the reinforcing rod are respectively fixedly connected with the upright posts 11; the reinforcing rods 14 are disposed near the lower ends of the uprights 11 in the lengthwise direction of the uprights 11.

Through set up stiffener 14 in the position that work ladder main part 1 is close to the lower extreme, can effectively guarantee the invariable of interval between two stands, and then be useful to the deformation that restraines the footboard.

The foregoing is merely exemplary of embodiments of the present invention and it is to be understood that the invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

The above description is intended to be illustrative of the invention and should not be taken as limiting the invention, since various modifications and changes will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A special work ladder device for side plates of a van, comprising: the working ladder comprises a working ladder main body (1), and a first connecting assembly (2) and a second connecting assembly (3) which are arranged on one side of the working ladder main body (1);

the first connection assembly (2) comprises: the first connecting piece (21) and a first connecting seat (22) detachably connected with the first connecting piece (21);

the second connecting assembly (3) comprises: a second connecting piece (31), a second connecting seat (32) which is detachably connected with the second connecting piece (31) and can lock the second connecting piece (31);

along the length direction of work ladder main part (1), first coupling assembling (2) are located the top of second coupling assembling (3).

2. Dedicated work ladder device according to claim 1, characterized in that the work ladder body (1) comprises: a column (11), a pedal (12);

two upright columns (11) are arranged in parallel;

the pedal (12) is positioned between the two upright posts (11), and two opposite ends of the pedal are respectively fixedly connected with the upright posts (11);

a plurality of pedals (12) are arranged in parallel at intervals along the length direction of the upright post (11);

the first connecting component (2) and the second connecting component (3) are respectively arranged on the two upright columns (11), and the first connecting component (2) and the second connecting component (3) are positioned on the same side of the upright columns (11);

along the length direction of the upright post (11), at least one first connecting component (2) is arranged on the same upright post (11).

3. The dedicated work ladder device according to claim 2, characterized in that the work ladder body (1) further comprises: a guardrail portion (13);

the guardrail portion (13) comprises: a plurality of arc-shaped guardrails (131);

along the length direction of the working ladder main body (1), a plurality of arc-shaped guardrails (131) are arranged at intervals from top to bottom;

the two ends of the arc-shaped guardrail (131) are fixedly connected with one sides of the upright columns (11) far away from the first connecting component (2) and the second connecting component (3) respectively.

4. A dedicated work ladder device according to claim 3, wherein the railing portion (13) further comprises: a pull rod (132);

along the extension direction of the pull rod (132), the arc-shaped guardrails (131) are fixedly connected with the pull rod (132);

the pull rods (132) are arranged in a plurality at intervals along the arc direction of the arc guardrail (131).

5. Dedicated work ladder device according to claim 4, characterized in that the first connection (21) comprises: a first rod part (211), and a hook (212) arranged at the end part of the first rod part (211);

the first connection seat (22) comprises: a first fixing member (221), a hanging rod (222) mounted on the first fixing member (221);

the hook (212) is detachably connected with the hanging rod (222).

6. Dedicated work ladder device according to claim 5, characterized in that the second connection (31) comprises: a second lever part (311), a locking piece (312) arranged at the end part of the second lever part (311);

the second connection holder (32) includes: a second fixing member (321), a locking seat (322) mounted on the second fixing member (321);

the end of the second rod part (311) is detachably supported on the locking seat (322), and the locking seat (322) locks the second connecting piece (31) through the locking piece (312).

7. The dedicated work ladder device according to claim 6, wherein the locking member (312) is disposed at one side of the second lever portion (311) and disposed flush with an end surface of the second lever portion (311);

the locking piece (312) is a plate-shaped body, and a positioning hole (3121) penetrating through the body of the plate-shaped body is arranged on the plate-shaped body.

8. The dedicated work ladder device according to claim 7, wherein the locking seat (322) comprises: a supporting structure (3221), an indexing pin (3222) arranged on the supporting structure (3221) and used for matching connection with the positioning hole (3121);

the supporting structure (3221) is in a rectangular structure, and a limiting groove (3221 a) matched with the shape of the end part of the second rod part (311) is arranged on the supporting structure (3221);

the indexing pin (3222) is positioned at one side of the limiting groove (3221 a).

9. The dedicated work ladder device according to claim 8, wherein said tread (12) is in the form of a rectangular plate;

both ends of the pedal (12) in the length direction are respectively and fixedly connected with the upright post (11);

one end of the pedal (12) in the width direction is flush with one side of the upright post (11) connected with the guardrail part (13), and the other end of the pedal exceeds the other side of the upright post (11).

10. Dedicated work ladder device according to claim 9, characterised in that the upper side of the step (12) is provided with an anti-slip structure;

reinforcing ribs are arranged on the lower side of one end, flush with one side of the upright post (11) connected with the guardrail part (13), of the pedal (12);

the working ladder main body (1) further comprises: a reinforcing rod (14);

the reinforcing rod (14) is positioned between the two upright posts (11), and two opposite ends of the reinforcing rod are fixedly connected with the upright posts (11) respectively;

along the length direction of stand (11), stiffener (14) are close to the lower extreme setting of stand (11).