Loader flexible in steering

Abstract

The utility model relates to the technical field of loaders, in particular to a flexible steering loader which comprises a fixed chassis and an inverted U-shaped support, a U-shaped fixing groove is formed in the rear side of the fixed chassis, the inverted U-shaped support is located in the U-shaped fixing groove, a rotating shaft is rotationally connected between two arms of the inverted U-shaped support through a bearing, rear wheels are correspondingly rotationally connected to the rotating shaft, and the rear wheels are connected with the inverted U-shaped support. A driving assembly corresponding to the rear wheel is fixedly installed at the rear end of the upper surface of the inverted-U-shaped support, the inverted-U-shaped support is correspondingly and rotationally connected with the fixing base, and a steering adjusting assembly corresponding to the rear wheel is fixedly installed between the front end of the upper surface of the inverted-U-shaped support and the fixing chassis. The steering flexibility of the loading machine is high, the size is reduced, when materials such as indoor muck and construction waste need to be removed and carried, the loading machine can conveniently enter a narrow space to clean the materials, steering is flexible, and the using requirements of various working conditions can be well met.

Description

TECHNICAL FIELD

[0001] The utility model relates to loader technical field, concretely is a kind of loader of steering flexibility. BACKGROUND

[0002] It is known that loader is a kind of earthwork construction machinery widely used in highway, railway, building, water and electricity, port, mine and other construction projects, mainly used for shoveling soil, sand, lime, coal and other bulk materials, and can also carry out bulldozing, lifting and other material handling operations such as wood, and can also carry out pushing soil, scraping ground and towing other machinery and other operations in road, especially in high-grade highway construction.

[0003] At present, the loader in the prior art is usually four wheels, two wheels are coaxially connected in front and back, driven by rear wheels, and the front wheels are turned by controlling steering wheel, so that the moving direction of the loader is changed, but such steering mode makes the turning flexibility of the loader low, and when it is necessary to remove and transport indoor muck, construction waste and other materials, the existing loader cannot enter the narrow space, so it is inconvenient for the loader to enter the narrow space to clean the materials, and the use requirement cannot be met well, therefore, a loader with steering flexibility is proposed. UTILITY MODEL CONTENT

[0004] In order to overcome the technical defects in the prior art and effectively solve the technical problems in the background art, the utility model provides the following technical scheme:

[0005] A loader with steering flexibility, comprising a fixed chassis and an inverted U-shaped support, the front side of the fixed chassis is provided with front wheels symmetrically left and right at both ends, a shovel moving support adjusting mechanism is correspondingly provided at the front end of the upper surface of the fixed chassis, a shovel is correspondingly provided at the front end of the shovel moving support adjusting mechanism, a fixed seat is provided at the middle of the upper surface of the fixed chassis, a seat is correspondingly provided on the upper surface of the fixed seat, a U-shaped fixed groove is opened at the rear side of the fixed chassis, the inverted U-shaped support is located in the U-shaped fixed groove, a rotating shaft is rotatably connected between the two arms of the inverted U-shaped support through a bearing, a rear wheel is correspondingly rotatably connected on the rotating shaft, a driving assembly corresponding to the rear wheel is fixedly installed at the rear end of the upper surface of the inverted U-shaped support, the inverted U-shaped support is correspondingly rotatably connected with the fixed seat, and a steering adjusting assembly corresponding to the rear wheel is fixedly installed between the front end of the upper surface of the inverted U-shaped support and the fixed chassis.

[0006] As a preferred technical scheme of the utility model, the driving assembly contains driving motor, driving sprocket, transmission chain and driven sprocket, the center of one side of driven sprocket is fixedly connected with one end of rotating shaft, the driving motor is fixedly installed on the rear end of the upper surface of inverted U-shaped support, the output shaft of driving motor is fixedly connected with the center of one side of driving sprocket, and driving sprocket and driven sprocket are drivingly connected through transmission chain.

[0007] As a preferred technical scheme of the utility model, the front end of the upper surface of inverted U-shaped support is fixedly installed with fixed shaft, the rear side of fixed base is fixedly installed with connecting rod, and the rear end of connecting rod is rotatably connected with the lower part outside of fixed shaft through bearing.

[0008] As a preferred technical scheme of the utility model, the steering adjusting assembly contains steering wheel, hydraulic steering gear, support, hydraulic push rod and direction transmission rod, the upper part outside of fixed shaft is fixedly installed with direction transmission rod, the rear end of the upper surface of fixed chassis is fixedly installed with support at the position of one side of U-shaped fixed groove, the top end of support is fixedly installed with hydraulic push rod, the telescopic end of hydraulic push rod is fixedly installed with U-shaped seat, the U-shaped seat is rotatably connected with the front end of direction transmission rod away from fixed shaft through bearing and rotating shaft, the steering wheel is located at the position of the middle part of the upper surface of fixed chassis and in front of seat, the hydraulic steering gear is fixedly installed on the upper surface of fixed chassis, the steering wheel is drivingly connected with hydraulic steering gear, and the hydraulic steering gear is drivingly connected with hydraulic push rod.

[0009] Compared with the prior art, the utility model has the advantages that: the loader is reasonable in structure, convenient to operate, high in steering flexibility, small in size, and convenient to enter narrow space for material cleaning when indoor residue soil, construction waste and other materials need to be removed and transported, can be turned by 360 degrees, high in steering flexibility, and can meet the use requirements of various working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structure schematic view of the utility model.

[0011] Figure 2 It is the structure schematic view of the utility model.

[0012] Figure 3 It is the side view of the utility model.

[0013] Figure 4The utility model discloses a rear wheel and inverted U type support's structure schematic drawing.

[0014] Figure 5 The utility model discloses a rear wheel and inverted U type support's rear view structure schematic drawing.

[0015] Figure 6 The utility model discloses a steering adjustment assembly partial structure schematic drawing.

[0016] Figure 7 The utility model discloses a fixed seat structure schematic drawing.

[0017] In the drawing: fixed chassis 1, front wheel 2, shovel dynamic support adjustment mechanism 3, shovel 4, U type fixed groove 5, rear wheel 6, inverted U type support 7, drive assembly 8, drive motor 81, driving sprocket 82, transmission chain 83, driven sprocket 84, steering adjustment assembly 9, steering wheel 91, hydraulic steering gear 92, support 93, hydraulic push rod 94, direction transmission rod 95, fixed shaft 10, fixed seat 11, connecting rod 12, seat 13. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0019] Please refer to Figures 1-7 The utility model provides a kind of technical scheme: a steering flexible loader, including fixed chassis 1 and inverted U type support 7, the front side of fixed chassis 1 two ends left and right symmetrically is provided with front wheel 2, the front end of the upper surface of fixed chassis 1 is correspondingly provided with shovel dynamic support adjustment mechanism 3, the front end of shovel dynamic support adjustment mechanism 3 is correspondingly provided with shovel 4, and the shovel dynamic support adjustment mechanism 3 and shovel 4 realize the shovel cleaning handling function of loader, and its principle is existing mature technology, without too much description here, the middle part of the upper surface of fixed chassis 1 is provided with fixed seat 11, the upper surface of fixed seat 11 is correspondingly provided with seat 13, the rear side of fixed chassis 1 is provided with U type fixed groove 5, inverted U type support 7 is located in U type fixed groove 5, rotating shaft is rotatably connected between the two arms of inverted U type support 7, rear wheel 6 is rotatably connected on rotating shaft, drive assembly 8 corresponding with rear wheel 6 is fixedly installed on the rear end of the upper surface of inverted U type support 7, inverted U type support 7 is rotatably connected between fixed seat 11, and steering adjustment assembly 9 corresponding with rear wheel 6 is fixedly installed between the front end of the upper surface of inverted U type support 7 and fixed chassis 1.

[0020] Furthermore, the drive assembly 8 includes a drive motor 81, a driving sprocket 82, a transmission chain 83 and a driven sprocket 84. The center of one side of the driven sprocket 84 is fixedly connected to one end of the rotating shaft. The drive motor 81 is fixedly mounted on the rear end of the upper surface of the inverted U-shaped bracket 7. The output shaft of the drive motor 81 is fixedly connected to the center of one side of the driving sprocket 82. The driving sprocket 82 and the driven sprocket 84 are connected through the transmission chain 83. The driving motor 81 drives the driving sprocket 82 to rotate, and the driving sprocket 82 and the transmission chain 83 drive the driven sprocket 84 to rotate, thereby driving the rear wheel 6 to rotate, thereby realizing the driving movement of the loader.

[0021] Furthermore, a fixed shaft 10 is fixedly installed on the front end of the upper surface of the inverted U-shaped bracket 7, and a connecting rod 12 is fixedly installed on the rear side of the fixing seat 11. The rear end of the connecting rod 12 is rotatably connected to the lower part of the outer side of the fixed shaft 10 through a bearing.

[0022] Furthermore, the steering adjustment assembly 9 includes a steering wheel 91, a hydraulic steering gear 92, a bracket 93, a hydraulic push rod 94 and a direction transmission rod 95. The direction transmission rod 95 is fixedly installed on the upper part of the outer side of the fixed shaft 10. The rear end of the upper surface of the fixed chassis 1 is fixedly installed at a position on one side of the U-shaped fixed groove 5. The top of the bracket 93 is fixedly installed with a hydraulic push rod 94. The telescopic end of the hydraulic push rod 94 is fixedly installed with a U-shaped seat. The U-shaped seat is rotatably connected to the front end of the direction transmission rod 95 away from the fixed shaft 10 through a bearing and a rotating shaft. The steering wheel 91 is located in the middle of the upper surface of the fixed chassis 1 In front of the seat 13, the hydraulic steering gear 92 is fixedly installed on the upper surface of the fixed chassis 1, the steering wheel 91 is correspondingly connected to the hydraulic steering gear 92, and the hydraulic steering gear 92 is correspondingly connected to the hydraulic push rod 94. The hydraulic steering gear 92 is controlled by the steering wheel 91 (the oil output and return oil of the hydraulic steering gear 92 are connected to the oil cylinder of the hydraulic push rod 94 through pipelines), and the hydraulic steering gear 92 controls the hydraulic push rod 94 to extend and retract the direction transmission rod 95, thereby driving the entire inverted U-shaped bracket 7, the rear wheel 6 and the drive assembly 8 to swing left and right, thereby realizing flexible steering and movement of the loader.

[0023] When using:

[0024] The hydraulic steering gear 92 is controlled by the steering wheel 91 (the oil outlet and return of the hydraulic steering gear 92 are connected to the oil cylinder of the hydraulic push rod 94 through pipelines), the hydraulic push rod 94 is controlled to extend and retract by the hydraulic steering gear 92 to push the rotation of the direction transmission rod 95, the whole inverted U-shaped support 7, the rear wheel 6 and the driving assembly 8 are driven to swing left and right, thereby realizing flexible steering and moving of the loader, the driving motor 81 drives the rotation of the driving sprocket 82, the driving sprocket 82 and the transmission chain 83 drive the rotation of the driven sprocket 84, and then the rotation of the rear wheel 6 is driven, thereby realizing driving and moving of the loader, and the loader realizes the shoveling, cleaning and carrying functions through the shoveling support adjusting mechanism 3 and the bucket 4.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A loader with flexible steering, comprising a fixed chassis (1) and an inverted U-shaped bracket (7), front wheels (2) being symmetrically arranged at both ends of the front side of the fixed chassis (1), a shoveling support adjustment mechanism (3) being correspondingly arranged at the front end of the upper surface of the fixed chassis (1), a bucket (4) being correspondingly arranged at the front end of the shoveling support adjustment mechanism (3), a fixed seat (11) being arranged in the middle of the upper surface of the fixed chassis (1), and a seat (13) being correspondingly arranged on the upper surface of the fixed seat (11), characterized in that: A U-shaped fixing groove (5) is provided on the rear side of the fixed chassis (1), and the inverted U-shaped bracket (7) is located in the U-shaped fixing groove (5). A rotating shaft is rotatably connected between the two arms of the inverted U-shaped bracket (7) via a bearing, and a rear wheel (6) is correspondingly rotatably connected to the rotating shaft. A driving assembly (8) corresponding to the rear wheel (6) is fixedly installed at the rear end of the upper surface of the inverted U-shaped bracket (7), and the inverted U-shaped bracket (7) is correspondingly rotatably connected to the fixing seat (11). A steering adjustment assembly (9) corresponding to the rear wheel (6) is fixedly installed between the front end of the upper surface of the inverted U-shaped bracket (7) and the fixed chassis (1).

2. The steerable loader according to claim 1, characterized in that: The driving assembly (8) comprises a driving motor (81), a driving sprocket (82), a transmission chain (83) and a driven sprocket (84); the center of one side of the driven sprocket (84) is fixedly connected to one end of the rotating shaft; the driving motor (81) is fixedly mounted on the rear end of the upper surface of the inverted U-shaped bracket (7); the output shaft of the driving motor (81) is fixedly connected to the center of one side of the driving sprocket (82); and the driving sprocket (82) and the driven sprocket (84) are connected in transmission via the transmission chain (83).

3. The steerable loader according to claim 1, characterized in that: A fixed shaft (10) is fixedly mounted on the front end of the upper surface of the inverted U-shaped bracket (7), a connecting rod (12) is fixedly mounted on the rear side of the fixing seat (11), and the rear end of the connecting rod (12) is rotatably connected to the lower portion of the outer side of the fixed shaft (10) via a bearing.

4. The steerable loader according to claim 3, characterized in that: The steering adjustment assembly (9) comprises a steering wheel (91), a hydraulic steering gear (92), a bracket (93), a hydraulic push rod (94) and a direction transmission rod (95). The direction transmission rod (95) is fixedly mounted on the upper portion of the outer side of the fixed shaft (10). The rear end of the upper surface of the fixed chassis (1) is fixedly mounted at a position on one side of the U-shaped fixed groove (5). The top end of the bracket (93) is fixedly mounted with a hydraulic push rod (94). The telescopic end of the hydraulic push rod (94) is fixedly mounted. A U-shaped seat is fixedly installed, and the U-shaped seat is rotatably connected to the front end of the direction transmission rod (95) away from the fixed shaft (10) through a bearing and a rotating shaft. The steering wheel (91) is located in the middle of the upper surface of the fixed chassis (1) and in front of the seat (13). The hydraulic steering gear (92) is fixedly installed on the upper surface of the fixed chassis (1). The steering wheel (91) and the hydraulic steering gear (92) are correspondingly connected in transmission. The hydraulic steering gear (92) and the hydraulic push rod (94) are correspondingly connected in transmission.

Images