Logistics express unloading ladder stand

Abstract

The utility model relates to the technical field of crawling ladders, in particular to a logistics express unloading crawling ladder which comprises a crawling ladder body, the crawling ladder body comprises a ladder assembly, and handrail frames are connected to the two sides of the surface of the ladder assembly; adjusting mechanisms are inserted into the two sides of the armrest frame, each adjusting mechanism comprises a sliding rod, and one end of each sliding rod is connected with a supporting frame. By moving the position of the supporting frame, the top end of the supporting frame moves in the movable groove formed in the armrest frame, when the supporting frame moves, the supporting pile and the sliding block are driven to slide at the same time, the first supporting spring is shrunk, and after the supporting frame moves, the second supporting spring is shrunk. The bottom end of a limiting bolt penetrates through a through hole formed in the armrest frame to be rotationally connected into a threaded hole formed in the supporting frame, the armrest frame and the supporting frame are limited, and therefore the length adjusting effect on the armrest frame is achieved, and the problem that the armrest frame cannot be conveniently grabbed due to the insufficient length when the armrest frame is grabbed is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cat ladder, concretely is a logistics express unloading cat ladder. BACKGROUND

[0002] The main role of the logistics express unloading cat ladder includes improving carrying efficiency, reducing labor cost, reducing safety hazards and adapting to various working environments. The logistics express unloading cat ladder can quickly and safely carry goods by one person, significantly improves work efficiency, can reduce labor demand, and one person can complete the carrying task, thereby reducing labor cost.

[0003] When the existing logistics express unloading cat ladder is used, the role of the logistics express unloading cat ladder is to improve carrying efficiency and reduce labor cost. However, the length of the handrail frame cannot be adjusted when the existing cat ladder is used, which is inconvenient for workers to use and can cause the problem of being unable to conveniently grip the handrail frame due to insufficient length when gripping the handrail frame. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a logistics express unloading cat ladder to solve the problem of the length of the handrail frame being unable to be adjusted when the existing cat ladder is used, which is inconvenient for workers to use and can cause the problem of being unable to conveniently grip the handrail frame due to insufficient length when gripping the handrail frame.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a logistics express unloading cat ladder, comprising:

[0006] The cat ladder body comprises a ladder frame, and the ladder frame surface is connected with a handrail frame on both sides;

[0007] Adjusting mechanisms are inserted into the interiors of the two sides of the handrail frame, the adjusting mechanisms comprise sliding rods, one end of each sliding rod is connected with a support frame, a limiting bolt is inserted into the interior of the top end of the support frame, a support spring one is connected to the bottom end of the support frame, a support pile is connected to the bottom end of the support spring one, support spring twos are connected to the interiors of the two sides of the support pile, and one end of each support spring two is connected with a sliding block.

[0008] Preferably, a movable groove is formed in the bottom end surface of the handrail frame, through grooves are formed in the inner walls of the movable groove of the handrail frame on both sides, one end of each sliding rod is inserted into the through groove of the handrail frame, a plurality of through holes are formed in one side of the inner wall of the movable groove of the handrail frame, a threaded hole is formed in the top end surface of the support frame, and the bottom end of the limiting bolt is rotatably connected to the interior of the threaded hole of the support frame by penetrating the through hole of the handrail frame.

[0009] Preferably, a groove is formed in the top surface of the support pile, one end of the support spring is connected to the inner wall of the groove of the support pile, positioning grooves are formed in the surface of the ladder frame, and the bottom end of the support pile is inserted into the positioning grooves of the ladder frame and is in sliding connection with the ladder frame.

[0010] Preferably, sliding grooves are formed in the inner walls of the positioning grooves of the ladder frame, one end of the sliding block is inserted into the sliding grooves of the ladder frame, and the support pile and the sliding block are elastically connected by the second support spring.

[0011] Preferably, assembly structures are connected to the both sides of the top end surface of the ladder frame, the assembly structure comprises a fixing frame, a bearing is connected to the top end of the fixing frame, a threaded sleeve is connected to the inner surface of the bearing, and a threaded rod is inserted into the top end of the threaded sleeve.

[0012] Preferably, a handrail is connected to the top end of the threaded rod, and the fixing frame and the threaded sleeve are movably connected by the bearing.

[0013] Preferably, a threaded groove is formed in the top end surface of the threaded sleeve, and the threaded rod is rotatably connected to the threaded groove of the threaded sleeve.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The position of the support frame is moved, the top end of the support frame is moved in the movable groove of the handrail, the support frame is moved and limited by the sliding rod in the through groove of the handrail, the support pile and the sliding block are simultaneously moved when the support frame is moved, the first support spring is contracted, the bottom end of the limiting bolt is rotatably connected to the threaded hole of the support frame through the through hole of the handrail after the movement of the support frame is completed, the handrail and the support frame are limited, the length adjustment of the handrail is realized, and the problem that the handrail cannot be conveniently gripped due to insufficient length when the handrail is gripped is avoided.

[0016] 2. The bearing and the threaded sleeve are supported by the fixing frame, the bottom end of the threaded rod is aligned with the threaded groove of the top end of the threaded sleeve, the threaded sleeve is rotatably connected to the outer surface of the threaded rod after the threaded sleeve is rotated, the angle of the fixing frame is not affected when the threaded sleeve is rotated by the bearing, and the quick assembly of the ladder frame and the handrail is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure front view perspective schematic diagram of the utility model;

[0018] Figure 2 It is a structure side view cross-sectional perspective schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 2 Amplification structure of the middle A isometric view schematic diagram;

[0020] Figure 4 For the utility model structure top view partial section isometric view schematic diagram;

[0021] Figure 5 For the utility model structure front view partial section isometric view schematic diagram.

[0022] In the figure: 1, ladder body;11, ladder frame;12, handrail frame;2, adjusting mechanism;21, sliding rod;22, support frame;23, limit bolt;24, support spring one;25, support pile;26, support spring two;27, sliding block;3, assembly structure;31, fixed frame;32, bearing;33, threaded sleeve;34, threaded rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 , the utility model provides an embodiment:

[0025] A logistics express unloading ladder, comprising:

[0026] Ladder body 1, ladder body 1 includes ladder frame 11, and the surface both sides of ladder frame 11 are connected with handrail frame 12, and the internal material of handrail frame 12 is prior art, and it can be purchased on the market, and it is not the technical protection point of the present application, therefore, too much statement is not made.

[0027] The adjusting mechanism 2 is inserted in the both sides of handrail frame 12, and the adjusting mechanism 2 includes sliding rod 21, and the one end of sliding rod 21 is connected with support frame 22, and the top end inside of support frame 22 is inserted with limit bolt 23, and the bottom end of support frame 22 is connected with support spring one 24, and the bottom end of support spring one 24 is connected with support pile 25, and the both sides inside of support pile 25 are connected with support spring two 26, and the one end of support spring two 26 is connected with sliding block 27.

[0028] Further, the bottom end surface of the handrail frame 12 is provided with a movable slot, the inner wall of the movable slot of the handrail frame 12 is provided with a through slot on both sides, one end of the sliding rod 21 is inserted into the through slot of the handrail frame 12, a plurality of through holes are formed on one side of the inner wall of the movable slot of the handrail frame 12, a threaded hole is formed on the top end surface of the support frame 22, the bottom end of the limiting bolt 23 passes through the through hole of the handrail frame 12 and is rotationally connected to the threaded hole of the support frame 22, so that the limiting bolt 23 is used for limiting the handrail frame 12 and the support frame 22.

[0029] Further, the top end surface of the support pile 25 is provided with a groove, the bottom end of the support spring 24 is connected to one side of the inner wall of the groove of the support pile 25, the surface of the ladder frame 11 is provided with a positioning slot on both sides, the bottom end of the support pile 25 is inserted into the positioning slot of the ladder frame 11 and is slidingly connected with the ladder frame 11, so that the positioning slot of the ladder frame 11 is used for positioning the bottom end of the support pile 25.

[0030] Further, the inner wall of the positioning slot of the ladder frame 11 is provided with a sliding groove on both sides, one end of the sliding block 27 is inserted into the sliding groove of the ladder frame 11, the support spring 26 is used for elastically connecting between the support pile 25 and the sliding block 27, so that the support spring 26 is used for elastically supporting between the support pile 25 and the sliding block 27.

[0031] Further, the top end surface of the ladder frame 11 is connected with the assembly structure 3 on both sides, the assembly structure 3 comprises a fixing frame 31, the top end of the fixing frame 31 is connected with a bearing 32, the inner surface of the bearing 32 is connected with a threaded sleeve 33, the threaded rod 34 is inserted into the inner top end of the threaded sleeve 33, so that the ladder frame 11 and the handrail frame 12 are quickly assembled.

[0032] Further, the top end of the threaded rod 34 is connected with the handrail frame 12, the fixing frame 31 and the threaded sleeve 33 are movably connected by the bearing 32, so that the threaded sleeve 33 is rotated without affecting the angle of the handrail frame 12.

[0033] Further, the top end surface of the threaded sleeve 33 is provided with a threaded groove, the threaded rod 34 is rotationally connected to the threaded groove of the threaded sleeve 33, so that the threaded groove of the threaded sleeve 33 is used for limiting the threaded rod 34.

[0034] Working principle: when adjusting the logistics express unloading ladder, the position of the supporting frame 22 is moved, the top end of the supporting frame 22 is moved in the movable slot of the handrail frame 12, the sliding rod 21 is used to slide in the through slot of the handrail frame 12, the supporting frame 22 is moved and limited, the supporting post 25 and the sliding block 27 are simultaneously slid when the supporting frame 22 moves, the supporting spring 24 is contracted, the limiting bolt 23 is connected in the threaded hole of the supporting frame 22 after the supporting frame 22 moves, the handrail frame 12 and the supporting frame 22 are limited, so that the length adjustment of the handrail frame 12 is realized.

[0035] When assembling the logistics express unloading ladder, the bearing 32 and the threaded sleeve 33 are supported by the fixing frame 31, the threaded rod 34 is connected between the ladder frame 11 and the handrail frame 12, the bottom end of the threaded rod 34 is aligned with the threaded groove at the top end of the threaded sleeve 33, then the threaded sleeve 33 is rotated and connected to the outer surface of the threaded rod 34, the angle of the fixing frame 31 is not affected when the threaded sleeve 33 is rotated by the bearing 32, so that the quick assembly of the ladder frame 11 and the handrail frame 12 is realized.

[0036] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A logistics express unloading cat ladder, characterized in that, Include: Crawling ladder body (1), the ladder body (1) includes ladder frame (11), the ladder frame (11) is connected with handrail frame (12) on both sides of surface; The inside of both sides of the handrail frame (12) is provided with an adjusting mechanism (2), the adjusting mechanism (2) includes a sliding rod (21), one end of the sliding rod (21) is connected with a support frame (22), the inside of the top end of the support frame (22) is provided with a limiting bolt (23), the bottom end of the support frame (22) is connected with a support spring (24), the bottom end of the support spring (24) is connected with a support pile (25), the inside of both sides of the support pile (25) is connected with a support spring (26), one end of the support spring (26) is connected with a sliding block (27).

2. The logistics express unloading cat ladder according to claim 1, characterized in that: The bottom end surface of the handrail frame (12) is provided with a movable slot, the inner wall of the movable slot of the handrail frame (12) is provided with a through slot on both sides, one end of the sliding rod (21) is inserted into the through slot of the handrail frame (12), a plurality of through holes are formed on one side of the inner wall of the movable slot of the handrail frame (12), a threaded hole is formed on the top end surface of the support frame (22), and the bottom end of the limiting bolt (23) is rotatably connected in the threaded hole of the support frame (22).

3. The logistics express unloading cat ladder according to claim 1, characterized in that: The top end surface of the support pile (25) is provided with a groove, the bottom end of the support spring (24) is connected to one side of the inner wall of the groove of the support pile (25), and the surface of the ladder frame (11) is provided with a positioning slot on both sides.

4. The logistics express unloading cat ladder according to claim 1, characterized in that: The inner wall of the positioning slot of the ladder frame (11) is provided with a sliding groove on both sides, one end of the sliding block (27) is inserted into the sliding groove of the ladder frame (11), and the support spring (26) is elastically connected between the support pile (25) and the sliding block (27).

5. The logistics express unloading cat ladder according to claim 1, characterized in that: The top end surface of the ladder frame (11) is connected with an assembly structure (3) on both sides, the assembly structure (3) includes a fixed frame (31), the top end of the fixed frame (31) is connected with a bearing (32), the inner surface of the bearing (32) is connected with a threaded sleeve (33), and the threaded sleeve (33) is provided with a threaded rod (34) inside the top end.

6. The logistics express unloading cat ladder according to claim 5, characterized in that: The top end of the threaded rod (34) is connected with the handrail frame (12), and the fixed frame (31) and the threaded sleeve (33) are movably connected through the bearing (32).

7. The logistics express unloading cat ladder according to claim 5, characterized in that: The top end surface of the threaded sleeve (33) is provided with a threaded groove, and the threaded rod (34) is rotatably connected in the threaded groove of the threaded sleeve (33).

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