Rotary table seat ladder stand of truck with loading crane

Abstract

The utility model relates to a rotary table seat ladder stand of a truck with a loading crane, which belongs to the technical field of the truck with the loading crane and comprises two support rods, the front surfaces of the two support rods are provided with expansion ladder stand structures convenient for workers to get on, and each expansion ladder stand structure comprises a fixing sleeve fixedly mounted outside the two support rods. A hinge piece is fixedly connected to the front face of the fixing sleeve, and a hinge rod extending to the outside of the hinge piece is hinged to the interior of the hinge piece. According to the rotary table seat ladder stand of the truck with the loading crane, by arranging a fixing sleeve, a hinging piece and a hinging rod, a folding rod can rotate, when the folding rod rotates clockwise, the top end of the folding rod can abut against the ground, and at the moment, a worker can conveniently go to the position between two supporting rods through the folding rod and a pedal plate; and therefore, workers can get on the vehicle conveniently, and the situation that the bottom of the seat ladder stand is higher than the ground, so that the workers cannot get on the vehicle conveniently is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of truck-mounted cranes, in particular to a turntable seat ladder for a truck-mounted crane. Background Technique

[0002] The working conditions of the truck-mounted crane determine that a seat needs to be set at a certain height on the turntable to complete the operation. The installation position of the seat must ensure the field of vision during work. Therefore, this height will not be too low, and many adverse factors will occur when getting on and off the vehicle. Therefore, a seat ladder is needed to help the staff get on the vehicle.

[0003] The Chinese utility model patent with the publication number of CN204701541 U discloses a turntable seat ladder device for a truck-mounted crane, which includes a left support, a right support, a cross brace, a pedal, and a mounting plate. The characteristics are as follows: the left support and the right support are U-shaped bent pipes, the left support and the right support are parallel and have a certain inclination angle with the horizontal plane, the upper part is lapped on the seat, and the bottom is fixed on the mounting plate. The mounting plate is fixed on the leg box by bolts; the cross braces are evenly welded on the left support and the right support, and the pedal is an anti-slip plate bent into a U shape, buckled on the cross braces and then welded firmly. This utility model has the advantages of simple structure, beautiful appearance, convenient disassembly and assembly, etc.

[0004] However, during the use of this utility model, due to the high setting of the turntable seat from the ground and the large diameter of the tires of the crane truck, when the staff gets on the vehicle using the seat ladder, there is also a certain distance between the staff's feet and the seat ladder, which is not convenient for the staff to get on and off the vehicle normally and cannot meet the production requirements. Therefore, a turntable seat ladder for a truck-mounted crane is proposed to solve the problems raised above. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a turntable seat ladder for a truck-mounted crane, which has the advantage of expanding the seat ladder, and solves the problem that due to the high setting of the turntable seat from the ground and the large diameter of the tires of the crane truck, when the staff gets on the vehicle using the seat ladder, there is also a certain distance between the staff's feet and the seat ladder, which is not convenient for the staff to get on and off the vehicle normally and cannot meet the production requirements.

[0006] To achieve the above object, the utility model provides the following technical solution: a turntable seat ladder for a truck-mounted crane, including two support rods, and an extended ladder structure for facilitating the staff to get on the vehicle is arranged on the front surface of each of the two support rods;

[0007] The extended ladder structure includes fixed sleeves fixedly installed on the outside of two support rods. A hinge is fixedly connected to the front of the fixed sleeve. A hinge rod extending to the outside of the hinge is hinged inside the hinge. One end of the hinge rod away from the hinge is fixedly connected to a folding rod. A footrest is fixedly connected to the opposite sides of the two folding rods.

[0008] Furthermore, the number of the footrests is two. The two footrests are equidistantly distributed between the two folding rods. Anti-slip pads are fixedly connected to the ends of the two folding rods away from the hinge.

[0009] Furthermore, a limit card extending to one side of the support rod is fixedly connected to one side of the folding rod. A return spring is fixedly connected to the inside of the support rod. One end of the return spring is fixedly connected to an elastic block that penetrates the limit card.

[0010] Furthermore, a card hole adapted to the elastic block is formed inside the limit card. The elastic block is in a T shape.

[0011] Furthermore, a fixed rod is fixedly connected to the opposite sides of the two support rods. An anti-slip sleeve is fixedly connected to the outside of the fixed rod.

[0012] Furthermore, fixing plates are fixedly connected to the top and bottom of the back surfaces of the two support rods. A fixing bolt extending to the back surface of the fixing plate is threadedly connected to the front surface of the fixing plate.

[0013] Furthermore,

[0014] Compared with the prior art, the present utility model provides a turntable seat ladder for a truck-mounted crane, which has the following beneficial effects:

[0015] 1. For the turntable seat ladder of the truck-mounted crane, by setting the fixed sleeve and the hinge, and then by setting the hinge rod, the folding rod can rotate. When the folding rod rotates clockwise, the top of the folding rod can be abutted against the ground. At this time, it is convenient for the staff to get between the two support rods through the folding rod and the footrest, and then it is convenient for the staff to get on the vehicle, avoiding the situation that the bottom of the seat ladder is too high from the ground, which is inconvenient for the staff to get on the vehicle.

[0016] 2. For the turntable seat ladder of the truck-mounted crane, by setting two support rods and a fixed rod, they can form a ladder shape, which is convenient for the staff to get on the vehicle. By setting the anti-slip sleeve, the friction between the feet of the staff and the fixed rod can be increased, improving safety. It solves the problem that due to the high position of the turntable seat from the ground and the large diameter of the tires of the crane truck, when the staff gets on the vehicle using the seat ladder, there is also a certain distance between the feet of the staff and the seat ladder, which is inconvenient for the staff to get on and off the vehicle normally and cannot meet the production requirements. Brief Description of the Drawings

[0017] Figure 1 It is a structural sectional view of the present utility model;

[0018] Figure 2 It is a side view of the structure of the present utility model;

[0019] Figure 3 It is a schematic structural view of the return spring of the present utility model;

[0020] Figure 4 It is a three-dimensional view of the structure of the support rod of the present utility model.

[0021] In the figure: 1 support rod, 2 fixed sleeve, 3 hinge member, 4 hinge rod, 5 folding rod, 6 foot pedal, 7 limit card, 8 return spring, 9 elastic block, 10 fixed rod, 11 anti-slip sleeve, 12 mounting plate. Detailed Description of the Preferred Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 to 4 , a turntable seat ladder of a truck-mounted crane in this embodiment includes two support rods 1. An extended ladder structure for facilitating the staff to get on the vehicle is provided on the front of both support rods 1. The extended ladder structure includes fixed sleeves 2 fixedly installed outside both support rods 1. A hinge member 3 is fixedly connected to the front of the fixed sleeve 2. A hinge rod 4 extending to the outside thereof is hinged inside the hinge member 3. One end of the hinge rod 4 away from the hinge member 3 is fixedly connected to a folding rod 5. A foot pedal 6 is fixedly connected to the opposite sides of the two folding rods 5.

[0024] Among them, the number of the foot pedals 6 is two. The two foot pedals 6 are equidistantly distributed between the two folding rods 5. Anti-slip pads are fixedly connected to the ends of the two folding rods 5 away from the hinge member 3.

[0025] It should be noted that antioxidant coatings are provided on the outer surfaces of both the two support rods 1 and the folding rod 5. By providing the fixing sleeve 2 and the hinge member 3, and then by providing the hinge rod 4, the folding rod 5 can be rotated. When the folding rod 5 rotates clockwise, the top end of the folding rod 5 can be made to abut against the ground. At this time, it is convenient for the staff to get between the two support rods 1 through the folding rod 5 and the footrest 6, thereby facilitating the staff to get on the vehicle and avoiding the situation where the bottom of the seat ladder is too high from the ground, which is inconvenient for the staff to get on the vehicle.

[0026] In this embodiment, a limit card 7 extending to one side of the support rod 1 is fixedly connected to one side of the folding rod 5, a return spring 8 is fixedly connected inside the support rod 1, and one end of the return spring 8 is fixedly connected to an elastic block 9 penetrating through the limit card 7.

[0027] Among them, a card hole adapted to the elastic block 9 is formed inside the limit card 7. The shape of the elastic block 9 is T-shaped. The number of limit cards 7 is two, and the two limit cards 7 are symmetrically distributed on the separated sides of the two folding rods 5. By providing the elastic block 9 and the return spring 8, it is convenient to fix the limit card 7 by clamping, and to avoid the folding rod 5 rubbing against the ground during the driving of the lifting transport vehicle, which affects the driving safety of the vehicle.

[0028] In this embodiment, a fixing rod 10 is fixedly connected to the opposite sides of the two support rods 1, an anti-slip sleeve 11 is fixedly connected to the outside of the fixing rod 10, fixing plates 12 are fixedly connected to the top and bottom of the back surfaces of the two support rods 1, and fixing bolts extending to the back surfaces thereof are threadedly connected to the front surfaces of the fixing plates 12. The anti-slip sleeve 11 is made of rubber material.

[0029] Among them, by providing the two support rods 1 and the fixing rod 10, they can form a ladder shape, thereby facilitating the staff to get on the vehicle. By further providing the anti-slip sleeve 11, the friction between the staff's feet and the fixing rod 10 can be increased, improving safety.

[0030] The working principle of the above embodiment is as follows:

[0031] First, the two support rods 1 are installed on the lifting transport vehicle through fixing bolts. Subsequently, when the staff needs to get on the vehicle, the elastic block 9 is pressed to separate it from the limit card 8. At this time, the folding rod 5 together with the footrest 6 is rotated towards the ground. When the folding rod 5 abuts against the ground, the staff can then enter the driver's cab of the lifting transport vehicle through the footrest 6 and the fixing rod 10. Subsequently, the folding rod 5 is folded up, and at the same time, the elastic block 9 is used to clamp the limit card 8.

[0032] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A turntable seat ladder for a truck-mounted crane truck, comprising two support rods (1), characterized in that: An extended ladder structure for facilitating the staff to get on the vehicle is provided on the front surface of each of the two support rods (1). The extended ladder structure includes fixing sleeves (2) fixedly installed on the outer sides of the two support rods (1). A hinge member (3) is fixedly connected to the front surface of the fixing sleeve (2). A hinge rod (4) extending to the outside thereof is hinged inside the hinge member (3). A folding rod (5) is fixedly connected to the end of the hinge rod (4) away from the hinge member (3). A footrest (6) is fixedly connected to the opposite sides of the two folding rods (5).

2. The turntable seat ladder of a truck-mounted crane transport vehicle according to claim 1, characterized in that: The number of the footrests (6) is two. The two footrests (6) are equidistantly distributed between the two folding rods (5). Anti-slip pads are fixedly connected to the ends of the two folding rods (5) away from the hinge member (3).

3. The turntable seat ladder of a truck-mounted crane according to claim 1, characterized in that: A limit card (7) extending to one side of the support rod (1) is fixedly connected to one side of the folding rod (5). A return spring (8) is fixedly connected inside the support rod (1). An elastic catch (9) penetrating through the limit card (7) is fixedly connected to one end of the return spring (8).

4. The turntable seat ladder of a truck-mounted crane according to claim 3, characterized in that: A card hole adapted to the elastic catch (9) is formed inside the limit card (7). The elastic catch (9) is in a T shape.

5. A turntable seat ladder of a truck-mounted crane according to claim 1, characterized in that: A fixing rod (10) is fixedly connected to the opposite sides of the two support rods (1). An anti-slip sleeve (11) is fixedly connected to the outer side of the fixing rod (10).

6. The turntable seat ladder of a truck-mounted crane according to claim 1, characterized in that: Fixing plates (12) are fixedly connected to the top and bottom of the back surfaces of the two support rods (1). Fixing bolts extending to the back surfaces thereof are threadedly connected to the front surfaces of the fixing plates (12).

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