Power system of full-hydraulic crawler-type pile frame

Abstract

The utility model discloses a power system of a full-hydraulic crawler-type pile frame, which belongs to the technical field of building construction machinery and comprises a support frame, a movable mechanism comprises a sliding groove formed in the side wall of a mounting frame, a sliding block is connected in the sliding groove in a sliding manner, a pressure sensor is mounted on the rear side wall of the sliding groove, and the pressure sensor is connected with the sliding block in a sliding manner. Springs located between the sliding blocks and the pressure sensors are arranged in the sliding grooves, a tensioning wheel is rotationally connected between the two sliding blocks, the outer wall of the tensioning wheel is in transmission connection with the inner wall of the crawler belt, a third hydraulic motor is controlled to be started through the controller, the output end of the third hydraulic motor drives a screw rod to rotate, and the screw rod is driven to rotate. The movable block moves backwards in the movable groove, the supporting rod is driven to move backwards in the placement groove, the mounting frame drives the movable mechanism and the tensioning wheel to move backwards, the crawler belt is loosened, and the tensioning wheel adjusting device has the advantages that manual operation is not needed for adjusting the tensioning wheel, the tensioning wheel can be adjusted conveniently according to different terrains, and damage to the tensioning wheel is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction machinery, in particular to a power system of a full hydraulic crawler type pile frame. Background Art

[0002] Pile frame is a large-scale machine tool that is indispensable in construction engineering. Various working devices for pile foundation construction such as piling and drilling must be mounted on the pile frame for construction operations. Pile frames are mainly divided into two types: walking type and crawler type according to different walking methods. Crawler pile frames are mainly divided into full hydraulic crawler pile frames and electric crawler pile frames according to different power drive methods. The full hydraulic crawler pile frame is widely used in construction engineering due to its many advantages such as driving efficiency, operating performance, control method and multi-function.

[0003] When the power system of the existing fully hydraulic crawler pile frame is in use, the crawler track will change according to the change of terrain. Therefore, in order to keep the crawler track in a suitable tightness state at all times, the tensioner wheel needs to be adjusted according to the different terrains. However, due to the harsh working environment and the fact that the existing tensioner wheel adjustment requires manual operation, which is relatively troublesome, the tensioner wheel cannot be adjusted frequently in actual operation, resulting in frequent damage to the tensioner wheel and a short service life. Utility Model Content

[0004] In order to solve the problems in the above background, the utility model provides a power system of a fully hydraulic crawler pile frame, which has the characteristics of adjusting the tension wheel without manual operation, facilitating the adjustment of the tension wheel according to different terrains, reducing damage to the tension wheel, and extending the service life of the tension wheel.

[0005] The utility model is implemented as follows: a power system of a fully hydraulic crawler pile frame comprises a support frame, the lower end surface of the support frame is fixedly connected to two symmetrically distributed fixed plates, the opposite ends of the two fixed plates are fixedly connected to a cross beam, the outer side of the fixed plate is rotatably connected to a driving wheel located behind the cross beam, the upper end surface of the cross beam is provided with two symmetrically distributed supporting wheels, the lower end surface of the cross beam is provided with a plurality of equally distributed supporting rollers, and the external transmission of the driving wheel, the supporting roller and the supporting roller is connected to a crawler;

[0006] The front end surface of the cross beam is provided with a placement groove, a support rod is slidably connected inside the placement groove, a mounting frame is fixedly connected to the front end surface of the support rod, two symmetrically distributed movable mechanisms are arranged inside the mounting frame, the movable mechanism includes a slide groove provided on the side wall of the mounting frame, a slider is slidably connected inside the slide groove, a pressure sensor is installed on the rear side wall of the slide groove, a spring is arranged inside the slide groove between the slider and the pressure sensor, a tension wheel is rotatably connected between the two sliders, and the outer wall of the tension wheel is drivingly connected to the inner wall of the crawler track;

[0007] The side wall of the cross beam is provided with a movable groove connected to the mounting groove, and the inside of the movable groove is slidably connected with a movable block fixedly connected to the support rod, the inner side wall of the cross beam is fixedly connected with a fixed block, a screw is rotatably connected between the fixed block and the front end surface of the fixed plate, the outer wall of the screw is threadedly connected to the movable block, and a third hydraulic motor is installed on the front end surface of the fixed block, and the output end of the third hydraulic motor is fixedly connected to the screw.

[0008] In order to prevent the slider from being separated from the inside of the slide groove, as a preferred power system of a full hydraulic crawler pile frame of the utility model, one end of the slider is fixedly connected to a baffle located outside the slide groove.

[0009] For more convenient operation, as a preferred power system of a full hydraulic crawler pile frame of the utility model, a controller is fixedly connected to the side wall of the fixed block, and the controller is electrically connected to the pressure sensor and the third hydraulic motor respectively.

[0010] In order to provide power to the driving wheel, as a preferred power system of a fully hydraulic crawler pile frame of the utility model, a reducer is installed at the opposite ends of the two fixed plates, the reducer is fixedly connected to the rotating shaft of the driving wheel, the other end of the reducer is provided with a transmission, and the other end of the transmission is provided with a first hydraulic motor.

[0011] In order to rotate the base, as a preferred power system of a fully hydraulic crawler pile frame of the utility model, the upper end surface of the support frame is rotatably connected to the base, and the lower end surface of the support frame is installed with a second hydraulic motor, and the output end of the second hydraulic motor is fixedly connected to the base.

[0012] In order to make the support frame more solid, as a preferred power system of a full hydraulic crawler pile frame of the utility model, a reinforcement plate is fixedly connected between the two fixed plates and the support frame, and a triangular structure is formed between the reinforcement plate, the fixed plate and the support frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model, when the crawler track is too tight, the inner wall of the crawler track squeezes the tension wheel, so that the tension wheel drives the slider to move backward inside the slide groove, and squeezes the spring at the same time, so that the spring squeezes the pressure sensor. When the pressure exceeds the set value of the pressure sensor, the signal is transmitted to the controller, and the controller controls to start the third hydraulic motor. The output end of the third hydraulic motor drives the screw to rotate, so that the movable block moves backward inside the movable groove, drives the support rod to move backward inside the placement groove, and makes the mounting frame drive the movable mechanism and the tension wheel to move backward, so that the crawler track is loosened. The tension wheel can be adjusted without manual operation, and the tension wheel can be adjusted according to different terrains.

[0015] When the track is too loose, the spring squeezes the slider, causing the slider to move forward inside the slide groove, reducing the pressure of the spring on the pressure sensor. When the pressure is less than the set value of the pressure sensor, the signal is transmitted to the controller. The controller controls the start of the third hydraulic motor. The output end of the third hydraulic motor drives the screw to rotate in the opposite direction, causing the movable block to move forward inside the movable groove, driving the support rod to move forward inside the mounting groove, and causing the mounting frame to drive the movable mechanism and the tensioning wheel to move forward, thereby tightening the track, making adjustment more convenient, reducing damage to the tensioning wheel, and extending the service life of the tensioning wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall structural diagram of a power system of a fully hydraulic crawler pile frame of the utility model;

[0017] Figure 2 It is the overall cutaway structural diagram of the utility model;

[0018] Figure 3 It is a partial structural exploded view of the utility model;

[0019] Figure 4 For this utility model Figure 2 A is the enlarged structural diagram.

[0020] In the figure, 1, cross beam; 2, fixed plate; 3, driving wheel; 4, reducer; 5, transmission; 6, first hydraulic motor; 7, supporting wheel; 8, supporting wheel; 9, support frame; 10, base; 11, second hydraulic motor; 12, reinforcement plate; 13, mounting groove; 14, support rod; 15, mounting frame; 16, slide groove; 17, slider; 18, baffle; 19, spring; 20, pressure sensor; 21, tensioner; 22, crawler; 23, movable groove; 24, movable block; 25, fixed block; 26, screw; 27, controller; 28, third hydraulic motor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0023] See also Figure 1-4 A power system of a fully hydraulic crawler pile frame includes a support frame 9, the lower end surface of the support frame 9 is fixedly connected to two symmetrically distributed fixed plates 2, the opposite ends of the two fixed plates 2 are fixedly connected to a cross beam 1, the outer side of the fixed plate 2 is rotatably connected to a driving wheel 3 located behind the cross beam 1, the upper end surface of the cross beam 1 is provided with two symmetrically distributed supporting wheels 7, the lower end surface of the cross beam 1 is provided with a plurality of equally distributed supporting rollers 8, and the external transmission of the driving wheel 3, the supporting wheel 7 and the supporting roller 8 is connected to a crawler 22;

[0024] A placement groove 13 is provided on the front end surface of the cross beam 1. A support rod 14 is slidably connected inside the placement groove 13. A mounting frame 15 is fixedly connected to the front end surface of the support rod 14. Two symmetrically distributed movable mechanisms are provided inside the mounting frame 15. The movable mechanisms include a slide groove 16 provided on the side wall of the mounting frame 15. A slider 17 is slidably connected inside the slide groove 16. A pressure sensor 20 is installed on the rear side wall of the slide groove 16. A spring 19 is provided inside the slide groove 16 between the slider 17 and the pressure sensor 20. A tension wheel 21 is rotatably connected between the two sliders 17. The outer wall of the tension wheel 21 is transmission-connected to the inner wall of the crawler track 22.

[0025] The side wall of the cross beam 1 is provided with a movable groove 23 connected to the placement groove 13, and the inside of the movable groove 23 is slidably connected with a movable block 24 fixedly connected to the support rod 14, and the inner side wall of the cross beam 1 is fixedly connected with a fixed block 25, and a screw 26 is rotatably connected between the fixed block 25 and the front end surface of the fixed plate 2, and the outer wall of the screw 26 is threadedly connected to the movable block 24, and a third hydraulic motor 28 is installed on the front end surface of the fixed block 25, and the output end of the third hydraulic motor 28 is fixedly connected to the screw 26.

[0026] In this embodiment: the outer wall of the driving wheel 3 is meshed and connected with the inner wall of the crawler track 22, and the driving wheel 3 rotates to drive the crawler track 22 to move, the supporting wheel 7 provides support force for the crawler track 22, and the supporting wheel 8 supports the device. When the crawler track 22 is moving, when the crawler track 22 is too tight, the inner wall of the crawler track 22 squeezes the tensioner wheel 21, so that the tensioner wheel 21 drives the slider 17 to move backward inside the slide groove 16, and at the same time squeezes the spring 19, so that the spring 19 squeezes the pressure sensor 20. When the pressure exceeds the set value of the pressure sensor 20, the third hydraulic motor 28 is started, and the output end of the third hydraulic motor 28 drives the screw 26 to rotate, so that the movable block 24 moves backward inside the movable groove 23, drives the support rod 14 to move backward inside the placement groove 13, and makes the mounting frame 15 drive the movable mechanism and the tensioner wheel 21 to move backward, so that the crawler track 22 is loosened. The tensioner wheel can be adjusted without manual operation, which is convenient for adjusting the tensioner wheel according to different terrains.

[0027] When the track 22 is too loose, the spring 19 squeezes the slider 17, causing the slider 17 to move forward inside the slide groove 16, thereby reducing the pressure of the spring 19 on the pressure sensor 20. When the pressure is less than the set value of the pressure sensor 20, the third hydraulic motor 28 is started, and the output end of the third hydraulic motor 28 drives the screw 26 to rotate in the opposite direction, so that the movable block 24 moves forward inside the movable groove 23, and drives the support rod 14 to move forward inside the mounting groove 13, so that the mounting frame 15 drives the movable mechanism and the tensioner 21 to move forward, so that the track 22 is tightened, the adjustment is more convenient, the damage to the tensioner is reduced, and the service life of the tensioner is extended.

[0028] As a technical optimization solution of the present invention, one end of the sliding block 17 is fixedly connected to a baffle 18 located outside the sliding groove 16 .

[0029] In this embodiment, the baffle 18 prevents the slider 17 from falling off from the inside of the chute 16 and prevents sand and gravel from entering the chute 16 to cause blockage.

[0030] As a technical optimization solution of the present invention, a controller 27 is fixedly connected to the side wall of the fixed block 25 , and the controller 27 is electrically connected to the pressure sensor 20 and the third hydraulic motor 28 respectively.

[0031] In this embodiment, the controller 27 receives the signal from the pressure sensor 20 and then controls and drives the third hydraulic motor 28, which makes the operation more convenient and allows the tensioner 21 to be adjusted at all times.

[0032] As a technical optimization solution of the utility model, a reducer 4 is installed at the opposite ends of the two fixed plates 2, the reducer 4 is fixedly connected to the rotating shaft of the driving wheel 3, the other end of the reducer 4 is provided with a transmission 5, and the other end of the transmission 5 is provided with a first hydraulic motor 6.

[0033] In this embodiment: the first hydraulic motor 6 drives the transmission 5 and the reducer 4 to rotate the driving wheel 3, thereby driving the crawler 22 to move.

[0034] As a technical optimization solution of the utility model, the upper end surface of the support frame 9 is rotatably connected to the base 10 , the lower end surface of the support frame 9 is installed with a second hydraulic motor 11 , and the output end of the second hydraulic motor 11 is fixedly connected to the base 10 .

[0035] In this embodiment, the output end of the second hydraulic motor 11 drives the base 10 to rotate, so that the base 10 can rotate more conveniently.

[0036] As a technical optimization solution of the utility model, a reinforcement plate 12 is fixedly connected between the two fixing plates 2 and the support frame 9, and a triangular structure is formed between the reinforcement plate 12, the fixing plates 2 and the support frame 9.

[0037] In this embodiment, a triangular structure is formed between the reinforcing plate 12, the fixing plate 2 and the supporting frame 9, so that the supporting frame 9 is more stable.

[0038] The working principle and use process of this utility model:

[0039] When the crawler track 22 is too tight, the inner wall of the crawler track 22 squeezes the tensioner 21, so that the tensioner 21 drives the slider 17 to move backward inside the slide groove 16, and squeezes the spring 19 at the same time, so that the spring 19 squeezes the pressure sensor 20. When the pressure exceeds the set value of the pressure sensor 20, the signal is transmitted to the controller 27, and the controller 27 controls the start of the third hydraulic motor 28. The output end of the third hydraulic motor 28 drives the screw 26 to rotate, so that the movable block 24 moves backward inside the movable groove 23, drives the support rod 14 to move backward inside the placement groove 13, and makes the mounting frame 15 drive the movable mechanism and the tensioner 21 to move backward, so that the crawler track 22 is loosened. The tensioner can be adjusted without manual operation, which is convenient for adjusting the tensioner according to different terrains.

[0040] When the track 22 is too loose, the spring 19 squeezes the slider 17, causing the slider 17 to move forward inside the slide groove 16, reducing the pressure of the spring 19 on the pressure sensor 20. When the pressure is less than the set value of the pressure sensor 20, the signal is transmitted to the controller 27. The controller 27 controls the start of the third hydraulic motor 28. The output end of the third hydraulic motor 28 drives the screw 26 to rotate in the opposite direction, causing the movable block 24 to move forward inside the movable groove 23, driving the support rod 14 to move forward inside the placement groove 13, and causing the mounting frame 15 to drive the movable mechanism and the tensioning wheel 21 to move forward, so that the track 22 is tightened, the adjustment is more convenient, the damage to the tensioning wheel is reduced, and the service life of the tensioning wheel is extended.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A power system of a fully hydraulic crawler pile frame, comprising a support frame (9), characterized in that: The lower end surface of the support frame (9) is fixedly connected to two symmetrically distributed fixing plates (2), and the opposite ends of the two fixing plates (2) are fixedly connected to a cross beam (1). The outer side of the fixing plate (2) is rotatably connected to a driving wheel (3) located behind the cross beam (1). The upper end surface of the cross beam (1) is provided with two symmetrically distributed supporting wheels (7), and the lower end surface of the cross beam (1) is provided with a plurality of equally distributed supporting rollers (8). The external transmission of the driving wheel (3), the supporting wheel (7) and the supporting roller (8) is connected to a crawler track (22); The front end surface of the cross beam (1) is provided with a placement groove (13), the interior of the placement groove (13) is slidably connected with a support rod (14), the front end surface of the support rod (14) is fixedly connected with a mounting frame (15), the interior of the mounting frame (15) is provided with two symmetrically distributed movable mechanisms, the movable mechanisms include a slide groove (16) provided on the side wall of the mounting frame (15), the interior of the slide groove (16) is slidably connected with a slider (17), the rear side wall of the slide groove (16) is provided with a pressure sensor (20), the interior of the slide groove (16) is provided with a spring (19) located between the slider (17) and the pressure sensor (20), a tension wheel (21) is rotatably connected between the two sliders (17), and the outer wall of the tension wheel (21) is transmission-connected with the inner wall of the crawler track (22); The side wall of the cross beam (1) is provided with a movable groove (23) connected to the placement groove (13); a movable block (24) fixedly connected to the support rod (14) is slidably connected inside the movable groove (23); a fixed block (25) is fixedly connected to the inner side wall of the cross beam (1); a screw rod (26) is rotatably connected between the fixed block (25) and the front end surface of the fixed plate (2); the outer wall of the screw rod (26) is threadedly connected to the movable block (24); a third hydraulic motor (28) is installed on the front end surface of the fixed block (25); and the output end of the third hydraulic motor (28) is fixedly connected to the screw rod (26).

2. The power system of a fully hydraulic crawler pile frame according to claim 1, characterized in that: One end of the sliding block (17) is fixedly connected to a baffle (18) located outside the sliding groove (16).

3. The power system of a fully hydraulic crawler pile frame according to claim 1, characterized in that: A controller (27) is fixedly connected to the side wall of the fixed block (25), and the controller (27) is electrically connected to the pressure sensor (20) and the third hydraulic motor (28) respectively.

4. The power system of a fully hydraulic crawler pile frame according to claim 1, characterized in that: A reducer (4) is installed at one opposite end of the two fixed plates (2), the reducer (4) is fixedly connected to the rotating shaft of the driving wheel (3), a transmission (5) is arranged at the other end of the reducer (4), and a first hydraulic motor (6) is arranged at the other end of the transmission (5).

5. The power system of a fully hydraulic crawler pile frame according to claim 1, characterized in that: The upper end surface of the support frame (9) is rotatably connected to a base (10), and the lower end surface of the support frame (9) is installed with a second hydraulic motor (11), and the output end of the second hydraulic motor (11) is fixedly connected to the base (10).

6. The power system of a fully hydraulic crawler pile frame according to claim 1, characterized in that: A reinforcing plate (12) is fixedly connected between the two fixing plates (2) and the supporting frame (9), and a triangular structure is formed between the reinforcing plate (12), the fixing plate (2) and the supporting frame (9).

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