Safety ladder stand for engineering truck

Abstract

The utility model discloses an engineering vehicle safety crawling ladder in the technical field of crawling ladders, which comprises an engineering vehicle and a crawling ladder, a mounting groove is arranged on the right side surface of the engineering vehicle, a threaded hole is arranged on the inner wall of the mounting groove, a support plate is arranged in the mounting groove, a connecting shaft is arranged on the support plate, a reinforcing rib is arranged at the bottom of the support plate, and the connecting shaft is connected with the reinforcing rib. A through hole is formed in the middle of the supporting plate, a clamping groove is formed in the right side of the top of the supporting plate, a sliding way is arranged at the top of the engineering vehicle, a second inclined face arranged on the positioning block is matched with a first inclined face arranged in the positioning opening, the positioning block clamps the positioning opening, meanwhile, the supporting plate is placed, the bottom of the crawling ladder is located in the clamping groove, and the supporting plate supports the crawling ladder. And the reinforcing ribs reinforce the support of the supporting plate to the ladder stand, so that the safety of the ladder stand during use is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of ladders, in particular to a safety ladder for an engineering vehicle. Background Art

[0002] Ladders used in engineering vehicles need to be installed quickly and have good stability to meet the needs of use with engineering vehicles. For example, a ladder and an engineering vehicle disclosed in Chinese patent literature (patent number: CN201720042805.1) has a ladder that can only move up and down flexibly. For ladders used in engineering vehicles, engineering vehicles can move and stop at any time, so the ladder needs to be able to be installed and used quickly to ensure the work efficiency of the engineering vehicles. The above patent cannot meet the needs of fast installation and stable use of the ladder.

[0003] For this purpose, we propose a ladder for construction vehicles. Utility Model Content

[0004] The utility model aims to provide a safety ladder for an engineering vehicle to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety ladder for an engineering vehicle, comprising an engineering vehicle and a ladder, a mounting groove is provided on the right side surface of the engineering vehicle, a threaded hole is provided on the inner wall of the mounting groove, a support plate is provided in the mounting groove, a connecting shaft is provided on the support plate, a reinforcing rib is provided at the bottom of the support plate, a through hole is provided in the middle of the support plate, a slot is provided on the right side of the top of the support plate, a slide is provided on the top of the engineering vehicle, a fixing plate is provided in the slide, a positioning port is provided on the right side of the slide, the inner wall on the right side of the positioning port is provided as a first inclined surface, a positioning block is provided in the positioning port, and the right side of the positioning block is provided as a second inclined surface.

[0006] Preferably, a spring is arranged in the slide, a through groove is arranged at the top of the slide, and a push rod is arranged at the right end of the spring.

[0007] Preferably, the push rod extends upward out of the through slot, and the right side of the push rod is fixedly connected to the fixing plate.

[0008] Preferably, the positioning block is fixedly connected to the ladder, the ladder is placed at an angle, and the clamping groove is arranged at an angle to match the bottom end surface of the ladder.

[0009] Preferably, both ends of the connecting shaft are fixedly connected to the inner wall of the mounting groove, and the connecting shaft is connected to the support plate via a bearing.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the push rod drives the fixed plate to move, the fixed plate disengages from the positioning hole, so that the positioning block arranged on the upper part of the ladder is placed in the positioning hole, the second inclined surface arranged on the positioning block cooperates with the first inclined surface arranged in the positioning hole, the positioning block clamps the positioning hole, and at the same time, the lower support plate is placed so that the bottom of the ladder is in the clamping groove, the support plate supports the ladder, the reinforcing ribs strengthen the support of the support plate to the ladder, and the safety of the ladder when in use is ensured; after the positioning block clamps the main positioning hole, the push rod is released, the spring pushes the fixed plate to move, fixes the positioning block, the positioning block cannot be separated from the positioning hole, and the ladder is quickly and stably fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the support plate structure of the utility model;

[0013] Figure 3 This is an enlarged view of point A of the utility model;

[0014] Figure 4 This is a schematic diagram of the installation structure of the fixed plate of the utility model;

[0015] Figure 5 It is an enlarged view of point B of the present utility model.

[0016] In the figure: 1. engineering vehicle; 2. ladder; 3. mounting groove; 4. threaded hole; 5. support plate; 6. connecting shaft; 7. reinforcing rib; 8. through hole; 9. slot; 10. slideway; 11. fixing plate; 12. positioning port; 13. first inclined surface; 14. positioning block; 15. second inclined surface; 16. spring; 17. through groove; 18. push rod. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-5The utility model provides a technical solution: a safety ladder for engineering vehicles, including an engineering vehicle 1 and a ladder 2, a mounting groove 3 is provided on the right surface of the engineering vehicle 1, a threaded hole 4 is provided on the inner wall of the mounting groove 3, a support plate 5 is provided in the mounting groove 3, a connecting shaft 6 is provided on the support plate 5, a reinforcing rib 7 is provided at the bottom of the support plate 5, a through hole 8 is provided in the middle of the support plate 5, a card slot 9 is provided on the right side of the top of the support plate 5, a slide 10 is provided on the top of the engineering vehicle 1, a fixing plate 11 is provided in the slide 10, a positioning port 12 is provided on the right side of the slide 10, the inner wall on the right side of the positioning port 12 is set as a first inclined surface 13, a positioning block 14 is provided in the positioning port 12, and the right side of the positioning block 14 is set as a second inclined surface 15. When in use, the ladder 2 is erected and pushed The push rod 18 drives the fixed plate 11 to move, and the fixed plate 11 is separated from the positioning hole 12, so that the positioning block 14 set on the upper part of the ladder 1 is placed in the positioning hole 12, and the second inclined surface set on the positioning block 14 cooperates with the first inclined surface 13 set in the positioning hole 12, and the positioning block 14 clamps the positioning hole 12. At the same time, the lower support plate 5 is placed so that the bottom of the ladder 2 is in the clamping groove 9, and the support plate 5 supports the ladder 2. The reinforcing ribs 7 strengthen the support of the support plate 5 to the ladder 2 to ensure the safety of the ladder when in use. After the positioning block 14 clamps the main positioning hole 12, the push rod 18 is released, and the spring pushes the fixed plate 11 to move and fix the positioning block 14. The positioning block 14 cannot be separated from the positioning hole 12, and the ladder 2 is quickly and stably fixed.

[0019] Among them, a spring 16 is arranged in the slide 10, a through slot 17 is arranged at the top of the slide 10, and a push rod 18 is arranged at the right end of the spring 16 to disassemble the ladder 2. The push rod 18 is pushed, and the push rod 18 drives the fixed plate 11 to move, and the fixed plate 11 is separated from the positioning hole 12. The fixing of the fixed plate 11 is loosened, and the ladder 2 can be quickly disassembled, and the support plate 5 is pushed. The support plate 5 is rotated into the installation slot 3 through the connecting shaft 6, and the support plate 5 is fixed by using bolts to pass through the through hole 8 and cooperate with the threaded hole 4;

[0020] The push rod 18 extends upward and out of the through slot 17. The right side of the push rod 18 is fixedly connected to the fixed plate 11. Pushing the push rod 18 drives the fixed plate 11 to move, so that the fixed plate 11 releases the fixation of the positioning block 14 or fixes the fixed plate 11.

[0021] The positioning block 14 is fixedly connected to the ladder 2, the ladder 2 is placed at an angle, the card slot 9 is arranged at an angle, and matches with the bottom surface of the ladder 5, the ladder 2 is arranged at an angle, and is convenient for climbing;

[0022] Both ends of the connecting shaft 6 are fixedly connected to the inner wall of the installation groove 3, and the connecting shaft 6 is connected to the support plate 5 through a bearing. The support plate 5 is rotated by the connecting shaft 6 and installed in the installation groove 3, and the support plate 5 is folded and placed.

[0023] Working principle: when in use, the ladder 2 is erected, and the push rod 18 is pushed. The push rod 18 drives the fixed plate 11 to move, and the fixed plate 11 is separated from the positioning hole 12, so that the positioning block 14 provided on the upper part of the ladder 1 is placed in the positioning hole 12, and the second inclined surface provided on the positioning block 14 cooperates with the first inclined surface 13 provided in the positioning hole 12, and the positioning block 14 clamps the positioning hole 12. At the same time, the lower support plate 5 is placed so that the bottom of the ladder 2 is in the clamping groove 9, and the support plate 5 supports the ladder 2. The reinforcing ribs 7 strengthen the support of the support plate 5 to the ladder 2 to ensure the safety of the ladder when in use. After the positioning block 14 clamps the main positioning hole 12, the push rod 18 is released, and the spring pushes the fixed plate 11 to move and fix the positioning block 14. The positioning block 14 cannot be separated from the positioning hole 12, and the ladder 2 is quickly and stably fixed.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety ladder for an engineering vehicle, comprising an engineering vehicle (1) and a ladder (2), characterized in that: The right side surface of the engineering vehicle (1) is provided with a mounting groove (3), the inner wall of the mounting groove (3) is provided with a threaded hole (4), a support plate (5) is provided in the mounting groove (3), a connecting shaft (6) is provided on the support plate (5), a reinforcing rib (7) is provided at the bottom of the support plate (5), a through hole (8) is provided in the middle of the support plate (5), a clamping groove (9) is provided on the right side of the top of the support plate (5), a slideway (10) is provided at the top of the engineering vehicle (1), a fixing plate (11) is provided in the slideway (10), a positioning opening (12) is provided on the right side of the slideway (10), the inner wall of the right side of the positioning opening (12) is provided as a first inclined surface (13), a positioning block (14) is provided in the positioning opening (12), and the right side of the positioning block (14) is provided as a second inclined surface (15).

2. A safety ladder for engineering vehicles according to claim 1, characterized in that: A spring (16) is arranged in the slideway (10), a through slot (17) is arranged at the top of the slideway (10), and a push rod (18) is arranged at the right end of the spring (16).

3. A safety ladder for engineering vehicles according to claim 2, characterized in that: The push rod (18) extends upwards out of the through slot (17), and the right side of the push rod (18) is fixedly connected to the fixing plate (11).

4. The engineering vehicle safety ladder according to claim 1, characterized in that: The positioning block (14) is fixedly connected to the ladder (2), the ladder (2) is placed at an angle, and the clamping slot (9) is arranged at an angle to match the bottom surface of the ladder (2).

5. The engineering vehicle safety ladder according to claim 1, characterized in that: Both ends of the connecting shaft (6) are fixedly connected to the inner wall of the mounting groove (3), and the connecting shaft (6) and the support plate (5) are connected via a bearing.

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