Vertical ladder stand for mixer truck

Abstract

The utility model discloses a vertical ladder stand for a mixer truck, which relates to the technical field of manufacturing of engineering truck accessories and comprises a working platform, a first-stage ladder stand, a second-stage ladder stand and a folding clamping component, the working platform comprises a platform surface and a guardrail vertically arranged around the platform surface; the first-stage crawling ladder is fixedly arranged on the side, away from the guardrail, of the table top, and the first-stage crawling ladder is perpendicular to the table top and extends downwards; one end part of the second-stage ladder stand is rotatably connected to the end part, deviating from the working platform, of the first-stage ladder stand; pedals are arranged between the two frameworks of the first-stage crawling ladder and between the two frameworks of the second-stage crawling ladder; the folding clamping assembly comprises a first clamping part arranged on the first-stage ladder stand and a second clamping part arranged on the second-stage ladder stand, and the first clamping part can be clamped with the first clamping part when the second-stage ladder stand is folded upwards to be attached to the first-stage ladder stand. In this way, the vertical ladder stand for the mixer truck is small in occupied space and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering vehicle accessories manufacturing, in particular to a vertical ladder for a mixer truck. Background Art

[0002] A mixer truck is a special vehicle used for concrete transportation. There is a feed hopper at the top of the rear of the vehicle for receiving materials. From loading ready-mixed concrete from the mixing station to unloading it at the construction site, due to strict urban road management, the driver needs to climb onto the vehicle to clean the concrete near the feed hopper to avoid dripping onto the road surface and causing fines. In order to facilitate the driver to climb onto the top of the vehicle to wash the concrete on the top of the vehicle, the existing mixer truck has a set of iron step-type ladders welded on the rear frame to facilitate the driver to climb, but it is heavy and occupies a large space.

[0003] Therefore, how to provide a vertical ladder for a mixer truck that occupies a small space and is easy to use is a technical problem that technical personnel in this field currently need to solve. Utility Model Content

[0004] The utility model aims to provide a vertical ladder for a mixer truck which occupies a small space and is easy to use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A vertical ladder for a mixer truck, comprising:

[0007] A working platform, including a table top and a guardrail vertically arranged around the table top;

[0008] The first step of the ladder is fixedly arranged on the side of the table away from the guardrail, and the first step of the ladder extends downward perpendicularly to the table;

[0009] A second ladder, one end of which is rotatably connected to the end of the first ladder away from the working platform;

[0010] There are steps between the two frames of the first ladder and between the two frames of the second ladder;

[0011] The folding clamping assembly comprises a first clamping part arranged on the first ladder and a second clamping part arranged on the second ladder, wherein the first clamping part can be clamped with the first clamping part when the second ladder is folded upward to fit the first ladder.

[0012] Preferably, the first ladder and the second ladder are hingedly connected via a rotating pin.

[0013] Preferably, a limit block is provided at the rotating pin of the second-step ladder, and the limit block is used to limit the rotation angle of the second-step ladder so that the second-step ladder forms a certain angle with the length direction of the first-step ladder.

[0014] Preferably, a support welded pipe is provided at the hinge between the first step ladder and the second step ladder, and the support welded pipe is used to ensure the rigidity of the first step ladder.

[0015] Preferably, the supporting welded pipe is vertically fixedly connected to the first step ladder by bolts.

[0016] Preferably, the table top and the upper surface of the pedal are both provided with anti-slip teeth.

[0017] Preferably, the first clamping part includes a fixed part and a movable sleeve, the fixed part is fixed on a side frame of the first step ladder, and the fixed part is equipped with a movable sleeve that can move along the length extension direction of the first step ladder, the second clamping part is specifically an L-shaped structure, and the second clamping part can be clamped with the fixed part through the movable sleeve.

[0018] Preferably, the table top and the pedals are made of aluminum alloy plates, and the guardrail, the frame of the first step ladder and the frame of the second step ladder are all made of aluminum alloy pipes.

[0019] Preferably, a rotating motor is provided at the rotating pin, the rotating pin is fixedly connected to the second-stage ladder, the output end of the rotating motor is fixedly connected to the rotating pin, and the rotating motor can control the folding and unfolding of the second-stage ladder.

[0020] Preferably, two iron trough-shaped supports are provided on the bottom surface of the working platform for easy installation at the rear of the mixer truck.

[0021] Compared with the above-mentioned background technology, the utility model provides a vertical ladder for a mixer truck, comprising: a working platform, a first-level ladder, a second-level ladder and a folding clamping assembly; the working platform comprises a table top and a guardrail vertically arranged around the table top; the first-level ladder is fixedly arranged on the side of the table top away from the guardrail, and the first-level ladder extends downward perpendicular to the table top; the second-level ladder has one end rotatably connected to the end of the first-level ladder away from the working platform; pedals are provided between the two frames of the first-level ladder and between the two frames of the second-level ladder; the folding clamping assembly comprises a first clamping portion arranged on the first-level ladder and a second clamping portion arranged on the second-level ladder, the first clamping portion being able to be clamped with the first clamping portion when the second-level ladder is folded upward to fit the first-level ladder.

[0022] Specifically, a first-level ladder is arranged directly below the working platform, and a second-level ladder is rotatably connected to the lower end of the first-level ladder, and a first clamping portion is arranged on the frame of the first-level ladder, and a second clamping portion clamped with the first clamping portion is arranged on the frame of the second-level ladder, wherein the second clamping portion is at the same position as the first clamping portion when the second-level ladder is in a folded state; in this way, the ladder in the embodiment of the present application is fixedly installed on the frame of the mixer truck, and the second-level ladder can be unfolded when in use. The operator comes to the working platform to work through the first-level ladder and the second-level ladder, and the second-level ladder can be folded after use, which greatly improves the convenience of climbing for the operator and reduces the space occupied by the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the overall structure of a vertical ladder for a mixer truck provided in an embodiment of the utility model;

[0025] Figure 2 A front view of the structure of the ladder in the unfolded state provided by the embodiment of the utility model;

[0026] Figure 3 A side view of the ladder structure in a folded state provided by an embodiment of the utility model;

[0027] Figure 4 A side view of the ladder structure in the unfolded state provided by an embodiment of the utility model;

[0028] Figure 5 A schematic structural diagram of a limit block provided in an embodiment of the utility model.

[0029] in:

[0030] 100-working platform, 110-table, 120-guardrail, 130-iron trough support;

[0031] 200-first step ladder, 210-first clamping portion, 211-fixing portion, 212-movable sleeve;

[0032] 300-second ladder, 310-second clamping portion;

[0033] 400-Pedal;

[0034] 500-rotating pin;

[0035] 600-limit block;

[0036] 700-Support welded pipe. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] In the description of the present invention, it should be understood that the terms "up", "down", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the positions or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0040] The utility model aims to provide a vertical ladder for a mixer truck which occupies a small space and is easy to use.

[0041] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0042] See also Figures 1 to 5 The present embodiment provides a vertical ladder for a mixer truck, comprising: a working platform 100, a first-level ladder 200, a second-level ladder 300 and a folding clamping assembly; the working platform 100 comprises a table top 110 and a guardrail 120 vertically arranged around the table top 110; the first-level ladder 200 is fixedly arranged on a side of the table top 110 away from the guardrail 120, and the first-level ladder 200 extends downward perpendicular to the table top 110; the second-level ladder 300, one end of which is rotatably connected to the end of the first-level ladder 200 away from the working platform 100; pedals 400 are provided between the two frames of the first-level ladder 200 and between the two frames of the second-level ladder 300; the folding clamping assembly comprises a first clamping portion 210 arranged on the first-level ladder 200 and a second clamping portion 310 arranged on the second-level ladder 300, and the first clamping portion can be clamped with the first clamping portion 210 when the second-level ladder 300 is folded upward to fit the first-level ladder 200.

[0043] like Figure 1 As shown, the top of the vertical ladder provided in this embodiment is a working platform 100. After the vertical ladder is installed on the mixer truck, the operator can clean the hopper of the mixer truck on the operating platform, and three guardrails 120 are arranged around the working platform 100 to protect the operator. A first-level ladder 200 is fixedly installed just below the side without the guardrail 120. The first-level ladder 200 extends vertically downward, and a second-level ladder 300 is rotatably connected to the bottom of the first-level ladder 200. The second-level ladder 300 can be unfolded downward when the operator needs to clean the hopper of the mixer truck, and can be folded upward when the cleaning is completed. In addition, in order to prevent the second-level ladder 300 from automatically unfolding downward when in the folded state, a folding and clamping assembly that can be clamped to each other is arranged at the same position of the skeleton of the first-level ladder 200 and the second-level ladder 300, as shown in the figure. Figure 2 and Figure 3 shown.

[0044] Specifically, a first-level ladder 200 is arranged directly below the work platform 100, and a second-level ladder 300 is rotatably connected to the lower end of the first-level ladder 200, and a first clamping portion 210 is arranged on the frame of the first-level ladder 200, and a second clamping portion 310 clamped with the first clamping portion 210 is arranged on the frame of the second-level ladder 300, wherein the second clamping portion 310 is at the same position as the first clamping portion 210 when the second-level ladder 300 is in a folded state; in this way, the ladder in the embodiment of the present application is fixedly installed on the frame of the mixer truck, and the second-level ladder 300 can be unfolded when in use, and the operator comes to the work platform 100 to work through the first-level ladder 200 and the second-level ladder 300, and the second-level ladder 300 can be folded after use, which greatly improves the convenience of climbing for the operator and reduces the space occupied by the ladder.

[0045] Preferably, the first ladder 200 and the second ladder 300 are hingedly connected via a rotating pin 500 .

[0046] In this embodiment, the first ladder 200 and the second ladder 300 are hingedly connected by a rotating pin 500. Of course, the two can also be connected by other connection methods as long as the first ladder 200 and the second ladder 300 can rotate.

[0047] Preferably, the second-stage ladder 300 is provided with a limit block 600 at the rotating pin 500 , and the limit block 600 is used to limit the rotation angle of the second-stage ladder 300 so that the second-stage ladder 300 forms a certain angle with the length direction of the first-stage ladder 200 .

[0048] Specific as Figure 5As shown, limit blocks 600 are fixedly provided on the two side frames of the second-level ladder 300 near the rotating pin 500, and the limit blocks 600 can rotate with the second-level ladder 300. When the second-level ladder 300 is in the unfolded state, the limit blocks 600 will be placed between the frames of the first-level ladder 200 and the second-level ladder 300, and the second-level ladder 300 will form a certain angle with the first-level ladder 200, wherein the size of the angle between the two can be adjusted according to actual conditions, and the angle can be adjusted by adjusting the thickness of the limit blocks 600.

[0049] like Figure 4 As shown, in this way, the second-level ladder 300 will facilitate the operator's climbing and can effectively prevent the operator from stepping on empty space.

[0050] Preferably, a support welded pipe 700 is provided at the hinge between the first-step ladder 200 and the second-step ladder 300 , and the support welded pipe 700 is used to ensure the rigidity of the first-step ladder 200 .

[0051] It can be understood that when the operator climbs up from the second-level ladder 300, there will be a greater pressure on the second-level ladder 300. In order to increase the overall rigidity of the vertical ladder, a support weld pipe 700 is provided near the rotating pin 500. The support weld pipe 700 is vertically arranged on the first-level ladder 200, and the support weld pipe 700 can be supported on the frame of the mixer truck, which will also increase the stability of the vertical ladder.

[0052] Preferably, the supporting welded pipe 700 is vertically fixedly connected to the first step ladder 200 by bolts.

[0053] It can be understood that in this embodiment, the support weld pipe 700 is preferably vertically connected to the first-level ladder 200 by bolts, which is convenient for connection and can be removed when the vertical ladder is not in use. Of course, the connection method of the support weld pipe 700 can also be adjusted according to actual conditions, and this article does not make specific limitations.

[0054] Preferably, the upper surfaces of the table top 110 and the pedal 400 are both provided with anti-slip teeth.

[0055] It is understandable that when the operator climbs the vertical ladder, he needs to step on the pedal 400 between the two frames of the first ladder 200 and the second ladder 300. In order to prevent the operator from accidentally slipping, anti-slip teeth are provided on the upper surface of the pedal 400. The specific shape of the anti-slip teeth can be adjusted according to actual conditions; and in order to increase the safety of the operator performing cleaning work on the work platform 100, anti-slip teeth are also provided on the table top 110.

[0056] Preferably, the first clamping portion 210 includes a fixed portion 211 and a movable sleeve 212, the fixed portion 211 is fixed to a side frame of the first step ladder 200, and the fixed portion 211 is installed with a movable sleeve 212 that can move along the length extension direction of the first step ladder 200, and the second clamping portion 310 is specifically L-shaped, and the second clamping portion 310 can be clamped with the fixed portion 211 through the movable sleeve 212.

[0057] In this embodiment, the first clamping portion 210 includes a fixed portion 211 and a movable sleeve 212, and the fixed sleeve is in a C-shaped structure. One side of the opening of the fixed sleeve is welded to the frame of the first-level ladder 200, and a movable sleeve 212 that can be moved up and down is sleeved on the fixed sleeve. At the same time, a second clamping portion 310 is arranged at a position corresponding to the frame of the second-level ladder 300. The second clamping portion 310 is in an L-shaped structure. When the second-level ladder 300 is in a folded state, the movable sleeve 212 can be moved up and down so that the movable sleeve 212 is sleeved on the second clamping portion 310, thereby fixing the second-level ladder 300 and preventing it from falling off and unfolding, thereby reducing the space occupied.

[0058] Preferably, the tabletop 110 and the pedal 400 are both made of aluminum alloy plates, and the guardrail 120, the frame of the first step ladder 200 and the frame of the second step ladder 300 are all made of aluminum alloy pipes.

[0059] It can be understood that in order to reduce the weight of the vertical ladder as much as possible, the table top 110 and the pedal 400 are preferably made of aluminum alloy plates, and the guardrail 120, the frame of the first-level ladder 200 and the frame of the second-level ladder 300 are preferably made of aluminum alloy pipes. This can reduce the weight of the vertical ladder while ensuring its strength, thereby achieving the requirement of lightweight.

[0060] Preferably, a rotating motor is provided at the rotating pin 500 , the rotating pin 500 is fixedly connected to the second-level ladder 300 , the output end of the rotating motor is fixedly connected to the rotating pin 500 , and the rotating motor can control the folding and unfolding of the second-level ladder 300 .

[0061] Furthermore, this article proposes another embodiment, in which a rotating motor can be set at the rotating pin 500 on the basis of the vertical ladder described above, and the rotation of the motor drives the rotation of the rotating pin 500, and the rotating pin 500 is fixedly connected to the second-level ladder 300, so as to control the unfolding and folding of the second-level ladder 300, thereby realizing automatic folding and unfolding of the vertical ladder.

[0062] Preferably, two iron trough-shaped supports 130 are provided on the bottom surface of the working platform 100 for convenient installation at the rear of the mixer truck.

[0063] like Figure 1As shown, in order to facilitate the installation of the vertical ladder on the frame of the mixer truck, two iron trough-shaped supports 130 are provided at the bottom of the work surface 110, and the two iron trough-shaped supports 130 can be directly fixed to the frame by bolts.

[0064] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0065] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0066] The above is a detailed introduction to the embodiments provided by the utility model. This article uses specific examples to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the method and core ideas of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A vertical ladder for a mixer truck, characterized in that: include: A working platform (100) comprises a table top (110) and a guardrail (120) vertically arranged around the table top (110); A first ladder (200) is fixedly arranged on a side of the table top (110) away from the guardrail (120), and the first ladder (200) extends downward perpendicular to the table top (110); A second ladder (300), one end of which is rotatably connected to an end of the first ladder (200) facing away from the working platform (100); A pedal (400) is provided between the two frames of the first-level ladder (200) and between the two frames of the second-level ladder (300); A folding clamping assembly comprises a first clamping portion (210) provided on the first ladder (200) and a second clamping portion (310) provided on the second ladder (300), wherein the first clamping portion is capable of being clamped with the first clamping portion (210) when the second ladder (300) is folded upward to fit the first ladder (200).

2. The vertical ladder for a mixer truck according to claim 1, characterized in that: The first-step ladder (200) and the second-step ladder (300) are hingedly connected via a rotating pin (500).

3. The vertical ladder for a mixer truck according to claim 2, characterized in that: The second-stage ladder (300) is provided with a limit block (600) at the rotating pin (500), and the limit block (600) is used to limit the rotation angle of the second-stage ladder (300) so that the second-stage ladder (300) forms a certain angle with the first-stage ladder (200) in the length direction.

4. The vertical ladder for a mixer truck according to claim 3, characterized in that: A support welded pipe (700) is provided at the hinged joint between the first-step ladder (200) and the second-step ladder (300), and the support welded pipe (700) is used to ensure the rigidity of the first-step ladder (200).

5. The vertical ladder for a mixer truck according to claim 4, characterized in that: The supporting welded pipe (700) is vertically fixedly connected to the first ladder (200) by means of bolts.

6. The vertical ladder for a mixer truck according to claim 1, characterized in that: The upper surfaces of the table top (110) and the pedal (400) are both provided with anti-slip teeth.

7. The vertical ladder for a mixer truck according to claim 1, characterized in that: The first clamping portion (210) comprises a fixed portion (211) and a movable sleeve (212); the fixed portion (211) is fixed to a side frame of the first ladder (200); and the fixed portion (211) is provided with a movable sleeve (212) movable along a length extension direction of the first ladder (200); the second clamping portion is specifically an L-shaped structure, and the second clamping portion (310) can be clamped with the fixed portion (211) via the movable sleeve (212).

8. The vertical ladder for a mixer truck according to any one of claims 1 to 7, characterized in that: The tabletop (110) and the pedal (400) are both made of aluminum alloy plates, and the guardrail (120), the frame of the first step ladder (200), and the frame of the second step ladder (300) are all made of aluminum alloy pipes.

9. The vertical ladder for a mixer truck according to claim 2, characterized in that: A rotating motor is provided at the rotating pin (500), the rotating pin (500) is fixedly connected to the second ladder (300), the output end of the rotating motor is fixedly connected to the rotating pin (500), and the rotating motor can control the folding and unfolding of the second ladder (300).

10. The vertical ladder for a mixer truck according to claim 1, characterized in that: The bottom surface of the working platform (100) is provided with two iron trough-shaped supports (130) for convenient installation at the rear of a mixer truck.

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