阅读说明：本技术 设有可伸缩后支腿的起重运输车 (Jack-up transport vechicle with scalable back landing leg ) 是由 姚运文 姚婧辉 于 2020-01-03 设计创作，主要内容包括：本发明涉及一种设有可伸缩后支腿的起重运输车,它包括起重运输车车体(1),起重运输车车体(1)的起重机(13)位置设有起重机液压支腿总成(2),起重运输车车体(1)的后部设有后液压支腿总成(3),后液压支腿总成(3)由一根或两根固定水平支腿外套(31)、左水平活动支腿(32)、左水平液压缸(33)、右水平活动支腿(34)、右水平液压缸(35)、左垂直伸缩支腿(36)和右垂直伸缩支腿(37)构成。它起重作业时的稳定性和安全性更好,起重能力更好。它不再以车辆后轮做为后支撑,而是以平衡和稳定性更好的液压支腿作为后支撑,不但提高了车辆后部的左右支撑跨距,也提高了整体支撑面积和支撑稳定性。(The invention relates to a hoisting and transporting vehicle with a telescopic rear supporting leg, which comprises a hoisting and transporting vehicle body (1), wherein a crane hydraulic supporting leg assembly (2) is arranged at the position of a crane (13) of the hoisting and transporting vehicle body (1), a rear hydraulic supporting leg assembly (3) is arranged at the rear part of the hoisting and transporting vehicle body (1), and the rear hydraulic supporting leg assembly (3) consists of one or two fixed horizontal supporting leg jackets (31), a left horizontal movable supporting leg (32), a left horizontal hydraulic cylinder (33), a right horizontal movable supporting leg (34), a right horizontal hydraulic cylinder (35), a left vertical telescopic supporting leg (36) and a right vertical telescopic supporting leg (37). The crane has better stability and safety during hoisting operation and better hoisting capacity. The rear support is not taken as a rear support by a rear wheel of the vehicle, but is taken as a rear support by the hydraulic support legs with better balance and stability, so that the left and right support spans at the rear part of the vehicle are increased, and the integral support area and the support stability are also improved.)

1. Jack-up transport vechicle with scalable back landing leg, it includes jack-up transport vechicle automobile body (1), is equipped with driver's cabin (12), hoist (13) and railway carriage (14) in proper order backward in the past on chassis (11) of jack-up transport vechicle automobile body (1), and hoist (13) position of jack-up transport vechicle automobile body (1) is equipped with hoist hydraulic leg assembly (2), its characterized in that: the rear part of the crane truck body (1) is provided with a rear hydraulic support leg assembly (3), the rear hydraulic support leg assembly (3) is composed of one or two fixed horizontal support leg jackets (31), a left horizontal movable support leg (32), a left horizontal hydraulic cylinder (33), a right horizontal movable support leg (34), a right horizontal hydraulic cylinder (35), a left vertical telescopic support leg (36) and a right vertical telescopic support leg (37), the fixed horizontal support leg jackets (31) are fixedly arranged on a chassis (11), the left horizontal movable support leg (32) and the right horizontal movable support leg (34) are respectively horizontally slidably arranged in the fixed horizontal support leg jackets (31), the left horizontal hydraulic cylinder (33) and the right horizontal hydraulic cylinder (35) are respectively positioned in the left horizontal movable support leg (32) and the right horizontal movable support leg (34) and are fixedly arranged on the fixed horizontal support leg jackets (31), the end part of a rod of the left hydraulic cylinder (33) faces towards the left end direction of the left horizontal movable support leg (32) and is fixedly arranged on the left horizontal movable The supporting legs (32) are connected, the end part of the right horizontal hydraulic cylinder (35) rod faces to the right end direction of the right horizontal movable supporting leg (34) and is connected with the right horizontal movable supporting leg (34), the left vertical telescopic supporting leg (36) and the right vertical telescopic supporting leg (37) respectively comprise a left vertical hydraulic cylinder (38) and a right vertical hydraulic cylinder (39), the cylinder body of the left vertical hydraulic cylinder (38) is axially and fixedly arranged at the left end of the left horizontal movable supporting leg (32), the end part of the cylinder rod faces downwards and is provided with a supporting leg (40), the cylinder body of the right vertical hydraulic cylinder (39) is axially and fixedly arranged at the right end of the right horizontal movable supporting leg (34), the end part of the cylinder rod faces downwards and is provided with the supporting leg, the left horizontal hydraulic cylinder (33), the right horizontal hydraulic cylinder (35), the left vertical hydraulic cylinder (38) and the right vertical hydraulic cylinder (39) are respectively connected with a hydraulic distributor on the hoisting transport vehicle body (1) through hydraulic oil pipes.

2. A jack-up trolley with telescopic rear legs according to claim 1 characterized in that the left vertical hydraulic cylinder (38) and the right vertical hydraulic cylinder (39) are provided with hydraulic locks (41) to prevent hydraulic tubing from bursting and mishandling, respectively.

3. Lifting truck with telescopic rear leg according to claim 1, characterised in that the rear hydraulic leg assembly (3) is located behind the rear wheels of the lifting truck body (1) and is fixedly mounted on the lifting truck body chassis (11).

4. The lifting truck with the retractable rear leg as claimed in claim 1, wherein the rear hydraulic leg assembly (3) comprises a fixed horizontal leg housing (31), one end of the fixed horizontal leg housing (31) is fixed to the body chassis (11) of the lifting truck to the left and the other end to the right, a left horizontally movable leg (32) and a right horizontally movable leg (34) are slidably mounted in the left half and the right half of the fixed horizontal leg housing (31), respectively, a left horizontal hydraulic cylinder (33) and a right horizontal hydraulic cylinder (35) are single cylinder double cylinder rod hydraulic cylinders of an integrated structure located in the left horizontally movable leg (32) and the right horizontally movable leg (34), the middle of the cylinder body is fixedly mounted in the middle position inside the fixed horizontal leg housing (31), the end of the left cylinder rod faces the left end of the left horizontally movable leg (32) and is connected to the left horizontally movable leg (32), the end part of the right cylinder rod faces to the right end direction of the right horizontal movable supporting leg (34) and is connected with the right horizontal movable supporting leg (34), the left vertical telescopic supporting leg (36) is composed of a left vertical hydraulic cylinder (38) with a cylinder body fixed at the left end of the left horizontal movable supporting leg (32), the right vertical telescopic supporting leg (37) is composed of a right vertical hydraulic cylinder (39) with a cylinder body fixed at the right end of the right horizontal movable supporting leg (34), and the end parts of the left vertical hydraulic cylinder (38) and the right vertical hydraulic cylinder (39) face downwards and are respectively provided with a supporting leg (40).

5. The lifting transport vehicle with the telescopic rear leg as claimed in claim 1, characterized in that the rear hydraulic leg assembly (3) comprises two fixed horizontal leg housings (31), the two fixed horizontal leg housings (31) are fixed side by side in tandem on the body chassis (11) of the lifting transport vehicle, the left horizontally movable leg (32) and the right horizontally movable leg (34) are respectively slidably mounted in the different fixed horizontal leg housings (31), the left horizontally hydraulic cylinder (33) is located in the left horizontally movable leg (32), the tail end of the cylinder body is fixed at the right end of the matched fixed horizontal leg housing (31), the end of the cylinder rod faces the left end of the left horizontally movable leg (32) and is connected with the left horizontally movable leg (32), the right horizontally hydraulic cylinder (35) is located in the right horizontally movable leg (34), the tail end of the cylinder body is fixed at the left end of the matched fixed horizontal leg housing (31), the end part of the cylinder rod faces to the right end direction of the right horizontal movable supporting leg (34) and is connected with the right horizontal movable supporting leg (34), the left vertical telescopic supporting leg (36) is composed of a left vertical hydraulic cylinder (38) with a cylinder body vertically fixed at the left end of the left horizontal movable supporting leg (32), the right vertical telescopic supporting leg (37) is composed of a right vertical hydraulic cylinder (39) with a cylinder body vertically fixed at the right end of the right horizontal movable supporting leg (34), and the end parts of the cylinder rods of the left vertical hydraulic cylinder (38) and the right vertical hydraulic cylinder (39) face downwards and are respectively provided with a supporting leg (40).

6. The lifting transport vehicle with the telescopic rear support leg as claimed in claim 1, characterized in that the rear hydraulic support leg assembly (3) comprises two fixed horizontal support leg outer sleeves (31), the two fixed horizontal support leg outer sleeves (31) are fixed on the body chassis (11) of the lifting transport vehicle side by side in tandem, the left horizontally movable support leg (32) and the right horizontally movable support leg (34) are respectively slidably mounted in the different fixed horizontal support leg outer sleeves (31), the tail end of the cylinder body of the left horizontal hydraulic cylinder (33) is fixed at the right end of the matched fixed horizontal support leg outer sleeve (31), the end of the cylinder rod is connected with the left horizontally movable support leg (32) in the direction of the left end of the left horizontally movable support leg (32), the tail end of the cylinder body of the right horizontal hydraulic cylinder (35) is fixed at the left end of the matched fixed horizontal support leg outer sleeve (31), the end of the cylinder rod is connected with the right horizontally movable support leg (34) in the direction of the right end, the left vertical telescopic leg (36) and the right vertical telescopic leg (37) also comprise a vertical leg outer sleeve (42) and a vertical leg movable sleeve (43) which is arranged in the vertical leg outer sleeve (42) in a vertical sliding way, the vertical leg outer sleeve (42) of the left vertical telescopic leg (36) is vertically fixed at the left end of the left horizontal movable leg (32), the vertical leg outer sleeve (42) of the right vertical telescopic leg (37) is vertically fixed at the right end of the right horizontal movable leg (34), the left vertical hydraulic cylinder (38) and the right vertical hydraulic cylinder (39) are respectively positioned in the vertical leg movable sleeve (42) and the vertical leg movable sleeve (43), the upper end of the cylinder body is fixedly connected at the upper end of the vertical leg outer sleeve (42), the lower end of the cylinder rod is connected with the lower end of the vertical leg movable sleeve (43), and each support leg (40) is respectively positioned below the vertical leg movable sleeve (43) which is matched with the support leg and is fixed at the lower end of the vertical leg movable sleeve (43).

7. A lifting and transporting vehicle with telescopic rear legs as claimed in claim 1, characterized in that the crane hydraulic leg assembly (2) is the same in structure as the rear hydraulic leg assembly (3) and is composed of one or two fixed horizontal leg jackets (31), a left horizontal movable leg (32), a left horizontal hydraulic cylinder (33), a right horizontal movable leg (34), a right horizontal hydraulic cylinder (35), a left vertical telescopic leg (36) and a right vertical telescopic leg (37).

Technical Field

The invention relates to hoisting equipment, in particular to a hoisting transport vehicle with a telescopic rear supporting leg.

Background

The lorry-mounted crane is also called as a hoisting transport vehicle, is a wheel type transport vehicle with a crane arranged between a cab and a truck box, can transport and hoist, and is very convenient to use. The existing hoisting transport vehicle is only provided with hydraulic support legs extending to the left and the right at the crane position, and the hydraulic support legs are not arranged at other positions, and the rear part of the vehicle is used as a support during hoisting. The tire has poor rigidity as a support, the height of the tire cannot be adjusted, the left and right support spans of the tire are limited, the stability and the safety reliability of the tire during hoisting operation are not improved, and the hoisting capacity is limited.

Disclosure of Invention

The invention aims to provide a hoisting transport vehicle with a telescopic rear support leg, which has better stability and safety during hoisting operation and better hoisting capacity.

The technical solution of the invention is as follows: the hydraulic support assembly comprises a crane transport vehicle body, a cab, a crane and a carriage are sequentially arranged on a chassis of the crane transport vehicle body from front to back, a crane hydraulic support assembly is arranged at the crane position of the crane transport vehicle body, a rear hydraulic support assembly is arranged at the rear part of the crane transport vehicle body, the rear hydraulic support assembly consists of one or two fixed horizontal support leg jackets, a left horizontal movable support leg, a left horizontal hydraulic cylinder, a right horizontal movable support leg, a right horizontal hydraulic cylinder, a left vertical telescopic support leg and a right vertical telescopic support leg, the fixed horizontal support leg jackets are fixedly arranged on the chassis, the left horizontal movable support leg and the right horizontal movable support leg are respectively and horizontally slidably arranged in the fixed horizontal support leg jackets, the left horizontal hydraulic cylinder and the right horizontal hydraulic cylinder are respectively positioned in the left horizontal movable support leg and the right horizontal movable support leg, and a cylinder body is fixedly arranged, the tip of left horizontal hydraulic cylinder jar pole is connected with left horizontal movable leg towards left horizontal movable leg left end direction, the tip of right horizontal hydraulic cylinder jar pole is connected with right horizontal movable leg towards right horizontal movable leg right-hand member direction, left side vertical flexible landing leg and right vertical flexible landing leg are including left perpendicular pneumatic cylinder and right perpendicular pneumatic cylinder respectively, the left end of fixed mounting at left horizontal movable leg is erect to the cylinder body axial of left perpendicular pneumatic cylinder, the cylinder rod tip is towards below and is equipped with the stabilizer blade, the right-hand member of fixed mounting at right horizontal movable leg is erect to the cylinder body axial of right perpendicular pneumatic cylinder, the cylinder rod tip is towards below and is equipped with the stabilizer blade, left side horizontal hydraulic cylinder, right side horizontal hydraulic cylinder, left side vertical hydraulic cylinder and right perpendicular pneumatic cylinder link to each other with the hydraulic distributor on the jack-up transport vechicle.

The invention has the technical effects that: the crane has better stability and safety during hoisting operation and better hoisting capacity. The rear support is not taken as a rear support by a rear wheel of the vehicle, but is taken as a rear support by the hydraulic support legs with better balance and stability, so that the left and right support spans at the rear part of the vehicle are increased, and the integral support area and the support stability are also improved. The improvement of the vehicle support stability during the hoisting operation can improve the working efficiency, is more favorable for the development of the lorry-mounted crane to the direction of larger hoisting capacity, and is more favorable for the development of the industry.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an embodiment of a rear hydraulic leg assembly of the present invention;

FIG. 3 is a schematic structural view of a second embodiment of a rear hydraulic leg assembly according to the present invention;

FIG. 4 is a schematic diagram of a rear hydraulic leg assembly according to an embodiment of the present invention.

Detailed Description