Hydraulic walking system for slip form paver

Abstract

The utility model relates to a hydraulic walking system for a slip form paver, which comprises a hoisting hole, a lifting outer cylinder, a lifting inner cylinder, a connecting rod mechanism, a walking mechanism, a crawler belt assembly, a steering mechanism, a hydraulic pump, a support frame and a signal control system, and the signal control system respectively controls the hydraulic pump to drive the connecting rod mechanism, the walking mechanism and a steering oil cylinder to operate through electric signals. Lifting, walking and steering of the supporting legs are achieved. The crawler-type slip form paver is reasonable in structure and ingenious in design, ensures safe and stable walking of a walking system, is simple to operate, saves time and labor, improves production benefits, and solves the problem that two rear supporting legs of an existing crawler-type slip form paver are difficult to keep stable and balanced during working due to tiny errors of design processing and worker assembly, so that the working efficiency is improved. The technical problems that workers continuously adjust the height and the steering angle of the front supporting legs, time and labor are wasted, the paving efficiency is seriously reduced, the service life is greatly shortened, and the production efficiency is seriously affected are solved, and compared with the prior art, the device has good market prospects and development space.

Description

Technical Field

[0001] The utility model relates to the technical field of a travel system of a slipform paver, in particular to a hydraulic travel system for a slipform paver. Background Art

[0002] The steering mechanism of the existing crawler type sliding film paving machine is generally installed on the front crawler and crawler legs, and the rear crawler is not equipped with a steering drive mechanism. In actual use, due to the slight errors in design and processing and assembly by workers, it is difficult to ensure that the two rear legs remain stable and balanced during operation. In order to ensure the smooth operation of the whole machine, workers need to constantly adjust the height and steering angle of the front legs to ensure normal operation. Due to the large mass of the whole machine and the complex mechanical structure, it is not only time-consuming and labor-intensive, but also seriously reduces the paving efficiency. If it is not adjusted in place, it is very easy to damage the legs during the paving process, and the service life is greatly reduced.

[0003] How to design a hydraulic travel system for a slipform paver with a reasonable structure, ingenious design, which can effectively overcome the imbalance and instability of the travel system caused by design, processing and assembly errors, ensure the safe and stable travel of the travel system, simple operation, time-saving and labor-saving, and improve production efficiency is a problem that needs to be solved at present. Utility Model Content

[0004] In order to solve the technical problems that the existing crawler type slipform paver is difficult to ensure that the two rear legs remain stable and balanced during work due to slight errors in design, processing and assembly by workers, the workers have to constantly adjust the height and steering angle of the front legs, which is time-consuming and labor-intensive, and the paving efficiency is seriously reduced, the service life is greatly reduced, and the production efficiency is seriously affected, the utility model provides a hydraulic walking system for a slipform paver to achieve a reasonable structure and ingenious design, which can effectively overcome the imbalance and instability of the walking system caused by design, processing and assembly errors, ensure the safe and stable walking of the walking system, simple operation, save time and effort, and improve production efficiency.

[0005] The utility model adopts the following technical scheme to solve the above technical problems: a hydraulic walking system for a slipform paver, comprising a hoisting hole, a lifting outer cylinder, a lifting inner cylinder, a connecting rod mechanism, a walking mechanism, a crawler assembly, a steering mechanism, a hydraulic pump, a support frame and a signal control system, wherein the signal control system controls the hydraulic pump to drive the connecting rod mechanism, the walking mechanism and the steering mechanism to operate through electrical signals, so as to realize the lifting, walking and steering of the outriggers; the hoisting hole is located at the top position of the support frame, a hydraulic lifting cylinder is arranged inside the lifting inner cylinder, the bottom end of the lifting inner cylinder is fixed on the support frame, and the lifting outer cylinder is sleeved on the outside of the lifting inner cylinder; the connecting rod mechanism comprises a horizontal fixed ring, an upper connecting rod, a lower connecting rod and a fixing assembly, wherein the horizontal fixed ring is fixedly sleeved on the lifting outer cylinder, the upper and lower ends of the upper connecting rod are respectively connected to the outer end of the horizontal fixed ring and the upper end of the lower connecting rod, and the lower end of the lower connecting rod is fixed to the left and right sides of the lower end of the support frame, the hydraulic pump drives the hydraulic lifting cylinder to control the lifting inner cylinder to lift in the lifting outer cylinder, and drives the walking mechanism to contact or leave the ground through the connecting rod mechanism.

[0006] The above is a basic implementation of the present invention, and further improvements, perfections and limitations can be made on the above basis: For example, the walking mechanism includes a walking motor and a reducer, and the walking speed is controlled by the walking motor and the reducer.

[0007] The above is the basic implementation mode of the utility model, and further improvements, perfections and limitations can be made on the above basis: for example, the steering mechanism includes a steering cylinder and a steering cylinder sleeve, and the steering cylinder is fixed on the lifting outer cylinder through the steering cylinder sleeve and rotated through the steering cylinder sleeve.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] The utility model comprises a lifting hole, a lifting outer cylinder, a lifting inner cylinder, a connecting rod mechanism, a walking mechanism, a crawler assembly, a steering mechanism, a hydraulic pump, a support frame and a signal control system. The signal control system controls the hydraulic pump to drive the connecting rod mechanism, the walking mechanism and the steering mechanism to operate through electrical signals, so as to realize the lifting, walking and steering of the outriggers.

[0010] The connecting rod mechanism includes a horizontal fixed loop, an upper connecting rod, a lower connecting rod and a fixing assembly. The horizontal fixed loop is fixed on the lifting outer cylinder. The upper and lower ends of the upper connecting rod are respectively connected to the outer end of the horizontal fixed loop and the upper end of the lower connecting rod. The lower end of the lower connecting rod is fixed to the left and right sides of the lower end of the support frame. The hydraulic pump and the hydraulic lifting cylinder control the lifting inner cylinder to lift and lower in the lifting outer cylinder, and drive the walking mechanism to contact or leave the ground through the connecting rod mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0012] Figure 2 It is a schematic diagram of the connecting rod mechanism structure;

[0013] Figure 3 It is a schematic diagram of the installation position of the steering mechanism;

[0014] Markings in the figure: 1. Lifting hole, 2. Lifting outer cylinder, 3. Lifting inner cylinder, 4. Connecting rod mechanism, 401. Horizontal fixing ring, 402. Upper connecting rod, 403. Lower connecting rod, 5. Traveling mechanism, 501. Traveling motor, 502. Reducer, 6. Track assembly, 7. Steering mechanism, 701. Steering cylinder, 702. Steering cylinder sleeve, 8. Hydraulic pump, 9. Support frame. DETAILED DESCRIPTION

[0015] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0016] like Figure 1 As shown, the hydraulic travel system for the slipform paver includes a hoisting hole 1, a lifting outer cylinder 2, a lifting inner cylinder 3, a connecting rod mechanism 4, a traveling mechanism 5, a crawler assembly 6, a steering mechanism 7, a hydraulic pump 8, a support frame 9 and a signal control system. The signal control system controls the hydraulic pump 8 to drive the connecting rod mechanism 4, the traveling mechanism 5 and the steering mechanism 7 to operate through electrical signals, so as to realize the lifting, walking and steering of the outriggers; the hoisting hole 1 is located at the top of the support frame 9, the lifting inner cylinder 3 is provided with a hydraulic lifting cylinder, the bottom end of the lifting inner cylinder 3 is fixed on the support frame 9, and the lifting outer cylinder 2 sets It is arranged outside the lifting inner cylinder 3; the connecting rod mechanism 4 includes a horizontal fixed ring 401, an upper connecting rod 402, a lower connecting rod 403 and a fixing assembly. The horizontal fixed ring 401 is fixedly mounted on the lifting outer cylinder 2. The upper and lower ends of the upper connecting rod 402 are respectively connected to the outer end of the horizontal fixed ring 401 and the upper end of the lower connecting rod 403. The lower end of the lower connecting rod 403 is fixed to the left and right sides of the lower end of the support frame 9. The hydraulic pump 8 drives the hydraulic lifting cylinder to control the lifting inner cylinder 3 to rise and fall in the lifting outer cylinder 2, and drives the walking mechanism 5 to contact or leave the ground through the connecting rod mechanism 4. The walking mechanism 5 includes a walking motor 501 and a reducer 502, and the walking speed is controlled by the walking motor 501 and the reducer 502.

[0017] like Figure 3 As shown, the steering mechanism 7 includes a steering cylinder 701 and a steering cylinder sleeve 702 . The steering cylinder 701 is fixed to the lifting outer cylinder 2 through the steering cylinder sleeve 702 and rotates through the steering cylinder sleeve 702 .

[0018] The utility model has a reasonable structure and ingenious design, can effectively overcome the imbalance and instability of the walking system caused by design, processing and assembly errors, ensure the safe and stable walking of the walking system, is easy to operate, saves time and effort, improves production efficiency, and solves the technical problems of the existing crawler sliding film paver due to slight errors in design, processing and assembly by workers, which makes it difficult to ensure that the two rear legs remain stable and balanced during work, and the workers have to constantly adjust the height and steering angle of the front legs, which is time-consuming and laborious, and seriously reduces the paving efficiency, greatly reduces the service life, and seriously affects the production efficiency. Compared with the existing technology, it has a good market prospect and development space.

[0019] The preferred specific implementation modes and embodiments of the utility model are described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above implementation modes and embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the concept of the utility model.

Claims

1. The hydraulic travel system for the slipform paver is characterized by: The invention comprises a lifting hole (1), a lifting outer cylinder (2), a lifting inner cylinder (3), a connecting rod mechanism (4), a walking mechanism (5), a crawler assembly (6), a steering mechanism (7), a hydraulic pump (8), a support frame (9) and a signal control system. The signal control system controls the hydraulic pump (8) through electrical signals to drive the connecting rod mechanism (4), the walking mechanism (5) and the steering mechanism (7) to operate, thereby realizing the lifting, walking and steering of the outriggers. The lifting hole (1) is located at the top of the support frame (9). A hydraulic lifting cylinder is arranged inside the lifting inner cylinder (3). The bottom end of the lifting inner cylinder (3) is fixed on the support frame (9). The lifting outer cylinder (2) is sleeved on the lifting inner cylinder ( 3) Externally; the connecting rod mechanism (4) comprises a horizontal fixing ring (401), an upper connecting rod (402), a lower connecting rod (403) and a fixing assembly; the horizontal fixing ring (401) is fixedly mounted on the lifting outer cylinder (2); the upper and lower ends of the upper connecting rod (402) are respectively connected to the outer end of the horizontal fixing ring (401) and the upper end of the lower connecting rod (403); the lower end of the lower connecting rod (403) is fixed to the left and right sides of the lower end of the support frame (9); the hydraulic pump (8) drives the hydraulic lifting cylinder to control the lifting inner cylinder (3) to move up and down in the lifting outer cylinder (2), and drives the walking mechanism (5) to contact or leave the ground through the connecting rod mechanism (4).

2. The hydraulic travel system for a slipform paver according to claim 1, characterized in that: The walking mechanism (5) comprises a walking motor (501) and a reducer (502), and the walking speed is controlled by the walking motor (501) and the reducer (502).

3. The hydraulic travel system for a slipform paver according to claim 1, characterized in that: The steering mechanism (7) comprises a steering oil cylinder (701) and a steering oil cylinder sleeve (702); the steering oil cylinder (701) is fixed to the lifting outer cylinder (2) via the steering oil cylinder sleeve (702) and is rotated via the steering oil cylinder sleeve (702).

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