Ladder for agricultural machinery

Abstract

The utility model discloses a ladder for agricultural machinery, which comprises ladder columns, cross rods are fixedly connected between the ladder columns, the top of each ladder column is provided with a lap joint assembly for enhancing the lap joint stability of the ladder column, the lap joint assembly comprises a mounting plate and a connecting assembly, and the mounting plate is fixedly mounted at the top of the ladder column through the connecting assembly. The connecting assembly is used for mounting or dismounting the mounting plate, the hook and the suction cup are rotationally arranged at the top of the mounting plate and used for being in butt joint with parts which are in lap joint with ladder columns, connecting blocks are symmetrically and fixedly connected to the top of the mounting plate, a fixing shaft is fixedly connected between the connecting blocks, and a connecting sleeve is rotationally clamped to the outer wall of the fixing shaft. According to the ladder disclosed by the utility model, the ladder column and the lap joint assembly are matched for use, so that when the ladder column is used, the connection stability of the ladder column and the contact part of the ladder column can be improved by the hook or the sucking disc, the stability of the ladder in use is improved, and the mounting plate can be mounted or dismounted under the action of the connecting assembly.

Description

Technical Field

[0001] The utility model relates to the field of ladders, in particular to a ladder for agricultural machinery. Background Art

[0002] A ladder is a daily climbing aid, which is usually composed of two ladder posts and multiple horizontal bars fixed between them. Ladders are used to climb agricultural machinery to facilitate personnel to inspect and maintain agricultural machinery.

[0003] When using a ladder, the bottom of the ladder is usually placed on the ground, and the top of the ladder is in contact with the agricultural machinery, and the ladder is at a certain angle. However, if the top of the ladder is directly in contact with the agricultural machinery, the ladder may slip and detach from the contact position with the agricultural machinery, causing people to slide down with the ladder, which is not conducive to enhancing the stability between the ladder and the agricultural machinery. Utility Model Content

[0004] The purpose of the utility model is to provide a ladder for agricultural machinery to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A ladder for agricultural machinery, comprising ladder columns, wherein a plurality of cross bars are fixedly connected between the ladder columns;

[0006] The top of the ladder column is provided with a lap joint assembly to enhance the lap joint stability, and the lap joint assembly includes:

[0007] A mounting plate and a connecting assembly, wherein the mounting plate is fixedly mounted on the top of the ladder column through the connecting assembly, and the connecting assembly is used to install or remove the mounting plate;

[0008] The hook and the suction cup are rotatably arranged on the top of the mounting plate, and the hook and the suction cup are used for docking the parts overlapped by the ladder columns.

[0009] Preferably, the top of the mounting plate is symmetrically fixedly connected with connecting blocks, fixed shafts are fixedly connected between the connecting blocks, and the outer wall of the fixed shaft is rotatably clamped with a connecting sleeve.

[0010] Preferably, one end of the hook is fixedly connected to the connecting sleeve, one side of the connecting sleeve is fixedly connected to a fixing rod, and one end of the fixing rod is fixedly connected to the suction cup.

[0011] Preferably, the connecting assembly comprises a connecting plate, the top of which is fixedly connected to the mounting plate, the outer wall of the connecting plate is slidably inserted and sleeved with the ladder column, and a slot is provided on one side of the connecting plate.

[0012] Preferably, the interior of the ladder column is symmetrically rotatably connected with a connecting shaft, the outer wall of the connecting shaft is fixedly connected with a connecting arm, the top of one side of the connecting arm is fixedly connected with a clamping block, and the outer wall of the clamping block is slidably engaged with the inner cavity of the clamping slot.

[0013] Preferably, a limit spring is arranged at the top between the connecting arms, a limit rod is fixedly connected to the top of the other side of the connecting arm, and an outer wall of the limit rod is slidably sleeved with the limit spring.

[0014] Preferably, meshing connecting gears are symmetrically arranged inside the ladder column, the outer wall of the connecting shaft is fixedly sleeved with the connecting gears, and one end of the connecting shaft is fixedly connected with a knob.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model utilizes the coordinated use of ladder columns and overlapping components, wherein the overlapping components include a mounting plate, a connecting component, a hook and a suction cup, so that when the ladder column is in use, the hook or the suction cup can improve the stability of the connection between the ladder column and the contacting portion thereof, thereby improving the stability of the ladder when in use, and under the action of the connecting component, the mounting plate can be installed or removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the internal structure of the ladder column side of the utility model.

[0019] Figure 3 It is a schematic diagram of the overall structure of the mounting plate of the utility model.

[0020] In the figure: 1, ladder column; 2, cross bar; 3, overlap assembly; 31, mounting plate; 32, connecting assembly; 321, connecting plate; 322, connecting shaft; 323, connecting arm; 324, clamping block; 325, clamping groove; 326, limit spring; 327, connecting gear; 33, hook; 34, suction cup; 35, connecting block; 36, fixed shaft; 37, connecting sleeve; 38, fixing rod. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-3 The ladder for agricultural machinery shown in the figure comprises a ladder column 1, wherein the ladder columns 1 are two, and a plurality of cross bars 2 are fixedly connected between the two ladder columns 1. A lap joint component 3 for enhancing the lap joint stability is arranged at the top of the ladder column 1, and the lap joint component 3 comprises a mounting plate 31 and a connecting component 32. The mounting plate 31 is fixedly mounted on the top of the ladder column 1 through the connecting component 32. The connecting component 32 is used for installing or removing the mounting plate 31. A hook 33 and a suction cup 34 are rotatably arranged on the top of the mounting plate 31. The hook 33 and the suction cup 34 are used for docking the overlapping parts of the ladder column 1, so that when the ladder is in use, that is, when the top of the ladder column 1 is fitted with the agricultural machinery, the hook 33 or the suction cup 34 can be selected according to the part where the ladder column 1 is fitted with the agricultural machinery to enhance the stability of the fitting connection between the ladder column 1 and the agricultural machinery. When the part where the ladder column 1 is fitted with the agricultural machinery is a smooth surface, the suction cup 34 is selected to be adsorbed and fitted with the smooth part of the agricultural machinery. When the part where the ladder column 1 is fitted with the agricultural machinery is a concave-convex part or a hole, the hook 33 can be used to be hooked with the agricultural machinery.

[0023] Furthermore, a connecting block 35 is symmetrically fixedly connected to the top of the mounting plate 31, a fixed shaft 36 is fixedly connected between the connecting blocks 35, a connecting sleeve 37 is rotatably clamped on the outer wall of the fixed shaft 36, one end of the hook 33 is fixedly connected to the connecting sleeve 37, one side of the connecting sleeve 37 is fixedly connected to a fixing rod 38, one end of the fixing rod 38 is fixedly connected to the suction cup 34, under the action of the connecting sleeve 37 and the fixing shaft 36, the suction cup 34 and the hook 33 can rotate to a certain angle, that is, when the ladder column 1 is in an inclined state, the suction cup 34 or the hook 33 can be at a certain angle to dock with the agricultural machinery, and the outer wall of the fixing shaft 36 is fixedly connected to a limiting block, and an arc groove is opened on the inner wall of the connecting sleeve 37, the length of the arc groove is greater than the length of the limiting block, so that the limiting block can slide a certain distance inside the arc groove, thereby limiting the maximum rotation angle of the connecting sleeve 37 relative to the fixed shaft 36, and thereby limiting the maximum rotation angle of the hook 33 and the suction cup 34.

[0024] Specifically, the connecting assembly 32 includes a connecting plate 321, the top of the connecting plate 321 is fixedly connected to the mounting plate 31, the outer wall of the connecting plate 321 is slidably inserted and sleeved with the ladder column 1, a card slot 325 is opened on one side of the connecting plate 321, the inside of the ladder column 1 is symmetrically rotated and connected with a connecting shaft 322, the outer wall of the connecting shaft 322 is fixedly connected to a connecting arm 323, and the number of connecting arms 323 is preferably two, and a card block 324 is fixedly connected to the top of one side of the connecting arm 323, the outer wall of the card block 324 is slidably engaged with the inner cavity of the card slot 325, and the card block Under the action of 324, the connecting plate 321 can maintain a stable connection state with the ladder column 1, thereby ensuring the stability of the installation plate 31 installed on the top of the ladder column 1, and when the two connecting arms 323 rotate relative to each other, the connecting arm 323 can drive the block 324 to separate from the slot 325, and release the locking state of the connecting plate 321, so that the mounting plate 31 can be disassembled or installed, and the top of the block 324 is provided with an arc chamfer so that when the connecting arm 323 rotates following the connecting shaft 322, the block 324 can separate from the slot 325 by an arc motion.

[0025] The lock 324 is provided with the lock 326 of the locking cam 326, and the locking cam 326 is provided with the lock 326 of the locking cam 326.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ladder for agricultural machinery, comprising ladder columns (1), wherein a plurality of cross bars (2) are fixedly connected between the ladder columns (1); It is characterized in that The top of the ladder column (1) is provided with a lap joint assembly (3) for enhancing the lap joint stability thereof, and the lap joint assembly (3) comprises: A mounting plate (31) and a connecting assembly (32), wherein the mounting plate (31) is fixedly mounted on the top of the ladder column (1) via the connecting assembly (32), and the connecting assembly (32) is used to install or remove the mounting plate (31); A hook (33) and a suction cup (34) are rotatably arranged on the top of the mounting plate (31), and the hook (33) and the suction cup (34) are used for docking the overlapping parts of the ladder column (1).

2. The agricultural machinery ladder according to claim 1, characterized in that: The top of the mounting plate (31) is symmetrically fixedly connected with connecting blocks (35), a fixing shaft (36) is fixedly connected between the connecting blocks (35), and a connecting sleeve (37) is rotatably clamped on the outer wall of the fixing shaft (36).

3. The agricultural machinery ladder according to claim 1, characterized in that: One end of the hook (33) is fixedly connected to a connecting sleeve (37), one side of the connecting sleeve (37) is fixedly connected to a fixing rod (38), and one end of the fixing rod (38) is fixedly connected to a suction cup (34).

4. The agricultural machinery ladder according to claim 1, characterized in that: The connecting assembly (32) comprises a connecting plate (321), the top of the connecting plate (321) is fixedly connected to the mounting plate (31), the outer wall of the connecting plate (321) is slidably inserted and sleeved with the ladder column (1), and a card slot (325) is provided on one side of the connecting plate (321).

5. The agricultural machinery ladder according to claim 4, characterized in that: The interior of the ladder column (1) is symmetrically rotatably connected with a connecting shaft (322), the outer wall of the connecting shaft (322) is fixedly connected with a connecting arm (323), the top of one side of the connecting arm (323) is fixedly connected with a clamping block (324), and the outer wall of the clamping block (324) is slidably clamped with the inner cavity of the clamping groove (325).

6. The agricultural machinery ladder according to claim 5, characterized in that: A limit spring (326) is arranged at the top between the connecting arms (323), and a limit rod is fixedly connected to the top of the other side of the connecting arm (323), and the outer wall of the limit rod is slidably sleeved with the limit spring (326).

7. The agricultural machinery ladder according to claim 5, characterized in that: The interior of the ladder column (1) is symmetrically provided with meshing connecting gears (327), the outer wall of the connecting shaft (322) is fixedly sleeved with the connecting gear (327), and one end of the connecting shaft (322) is fixedly connected with a knob.

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