CN206360719U - Receiving navigation tractor - Google Patents

Abstract

The utility model belongs to the technical field of telescopic belt conveyors used in coal mines. In order to solve the technical problem that the telescopic trains of the existing automatic telescopic belt conveyors cannot guarantee the running direction and synchronization with the target when the excavation unit moves forward and backward, the utility model provides a material-receiving navigation tractor , including unmanned steering mechanism, buffer roller, buffer funnel, motor-driven axle, frame, driven steering axle, steering roller and counterweight, unmanned steering mechanism is installed in front of the frame, and unmanned steering mechanism is installed below The driven steering wheel shaft, the motor-driven wheel shaft is installed under the rear end of the frame, a number of buffer rollers are installed at intervals along the length direction of the frame on the left and right sides above the frame, a buffer funnel is installed above the buffer roller, and a buffer support is installed above the frame. The front end of the roller is equipped with a reversing roller, and the rear end of the vehicle frame is equipped with a counterweight. The utility model can tow and command the telescopic train to follow the target to automatically run straight, without deviating from the center of the target, and synchronize with the target, so as to realize the automatic stretching of the automatic telescopic belt conveyor.

Description

Receiving navigation tractor

technical field

The utility model belongs to the technical field of telescopic belt conveyors for coal mines, and in particular relates to a material-receiving navigation tractor.

Background technique

With the reform and innovation of coal mining technology, the output of coal mines has increased greatly, from blast mining to mechanical mining, from roadheaders to combined coal mining units, with daily output ranging from several hundred tons to tens of thousands of tons. In this development process, the mining efficiency has been greatly improved, and in the underground mining system, the form of reloading is still to use the telescopic belt conveyor to overlap with the reloader, and use it in conjunction with the mining unit (including the crushing reloader). The telescopic belt conveyor The reprinting efficiency directly restricts the efficiency of the entire mining system. The existing telescopic belt conveyor cannot automatically expand and contract, let alone walk automatically. The extension or shortening of the frame is all manual work. On the one hand, the labor cost is increased and the efficiency is low; insecure. Aiming at this situation, an automatic retractable belt conveyor is provided, and the automatic retractable belt conveyor includes a steel truss train, a transition train, a telescopic train and a receiving and guiding tractor. Automatic telescoping, automatic walking and automatic reset in the mining system. Among them, the automatic expansion and contraction is completed by the telescopic train, and the telescopic train can neither follow the target synchronously nor guarantee the running direction without the material-receiving navigation tractor.

Contents of the invention

The utility model provides a material-receiving navigation tractor for solving the technical problem that the telescopic train and the target run synchronously and in the running direction in the existing automatic telescopic belt conveyor when the excavating unit moves forward and backward.

The technical scheme that the utility model adopts is as follows:

A material receiving and navigating tractor, comprising an unmanned steering mechanism, a buffer idler roller, a buffer funnel, a motor-driven axle, a vehicle frame, a driven steering wheel axle, a reversing roller and a counterweight, and an unmanned steering mechanism is installed in front of the vehicle frame, The driven steering wheel shaft is installed under the unmanned steering mechanism, and the motor-driven wheel shaft is installed under the rear end of the frame. A number of buffer rollers are installed evenly spaced along the length direction of the frame on the left and right sides above the frame, and buffer rollers are installed above the buffer rollers. Funnel, the front end of the buffer idler roller above the vehicle frame is equipped with a diverting roller, and the rear end of the vehicle frame is equipped with a counterweight above the drive wheel shaft.

The unmanned steering mechanism includes an automatic rope winding device, a servo reduction motor, a fixed mount, a rolling pressure bearing 1, a turntable frame, a stud bolt, a steel sleeve, a dust cover, a pinion, an arc rack, a steering wheel shaft, Rolling pressure bearing II, dust-proof gasket, lock plate, direction sensor and speed sensor, rolling pressure bearing I, dust cover, steel sleeve, rolling pressure bearing II and dust-proof gasket, the upper part of the steel sleeve are installed in the middle base of the turntable frame Pass through the fixed frame and install the lock plate on the upper part of the steel sleeve. The two ends of the stud bolts respectively pass through the round holes in the middle of the turntable frame and the lock plate to fix the turntable frame in the middle of the fixed frame. The left side of the turntable frame is installed with an arc Rack, the left side of fixed mount is installed the pinion that meshes with arc rack, and the upper end of pinion is installed servo reduction motor, and the front end of fixed mount is installed automatic rope winding device.

The automatic rope winding device includes a tile seat, a reel, a steel wire rope, a shaft and a scroll spring. The scroll spring and the reel are sequentially set on the shaft. One end of the scroll spring is fixed to the shaft, and the other end is fixed to the reel, and the wire rope is wound. On the reel, one end of the steel wire rope is fixed to the reel, the other end is a free end, and the tile seats are arranged at both ends of the shaft; direction sensors and speed sensors are installed on the left and right sides of the steel wire rope of the automatic rope winding device.

A material guide plate and a flow controller are installed at the bottom of the buffer funnel.

The left and right sides of the turntable frame are respectively connected with the fixed frame through an extension spring device, one end of the extension spring device is connected with the turntable frame, and the other end is connected with the fixed frame.

The beneficial effects of the utility model:

1. The utility model is equipped with a wheel shaft and an unmanned steering mechanism, which can follow the roadheader to automatically drive in a straight line without deviating from the center of the target. The telescopic train that pulls and directs the automatic telescopic belt conveyor automatically retracts and synchronizes with the target, effectively improving the automatic telescopic The transfer efficiency of the belt conveyor.

2. The utility model is equipped with a buffer funnel, which reduces the peak transportation volume of the lower-level transportation equipment, saves system energy and equipment cost, and reduces operating costs.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is the front view of unmanned steering mechanism;

Figure 4 is a top view of the unmanned steering mechanism;

Fig. 5 is the front view of automatic rope winding device;

Figure 6 is a top view of the automatic rope winding device;

In the figure: 1-unmanned steering mechanism, 2-buffer roller, 3-buffer funnel, 4-motor-driven axle, 5-frame, 6-driven steering axle, 7-reversing roller, 8-counterweight, 9-automatic rope winding device, 10-servo gear motor, 11-fixed frame, 12-rolling pressure bearing I, 13-turntable frame, 14-stud bolt, 15-steel sleeve, 16-dust cover, 17-small Gear, 18-curved rack, 19-rolling pressure bearing II, 20-dust washer, 21-lock plate, 22-direction sensor, 23-speed sensor, 24-tile seat, 25-drum, 26-wire rope , 27-axis, 28-volume spring, 29-extension spring device.

detailed description

As shown in Figures 1 and 2, a receiving and navigating tractor includes an unmanned steering mechanism 1, a buffer idler roller 2, a buffer funnel 3, a motor-driven axle 4, a frame 5, a driven steering axle 6, and a redirecting roller 7 and counterweight 8, unmanned steering mechanism 1 is installed in front of the vehicle frame 5, driven steering wheel shaft 6 is installed under the unmanned steering mechanism 1, and the motor-driven wheel shaft is installed under the rear end of the vehicle frame 5 using U-shaped bolts and skids 4. A number of buffer rollers 2 are installed on the left and right sides of the frame 5 at intervals along the length of the frame. The buffer rollers 2 are used to directly support the tape and buffer the impact of the material on the tape and the frame 5 when receiving materials. The buffer rollers A buffer funnel 3 is installed above the buffer funnel 3, and a material guide plate and a flow controller are installed at the bottom of the buffer funnel 3 to guide and control the material flow; A counterweight 8 is installed at the end; the counterweight 8 is used to increase the positive pressure of the motor-driven wheel shaft 4, so that the motor-driven wheel shaft has sufficient driving force.

As shown in Figures 3 and 4, the unmanned steering mechanism 1 includes an automatic rope winding device 9, a servo reduction motor 10, a fixed frame 11, a rolling pressure bearing I12, a turntable frame 13, a stud bolt 14, a steel sleeve 15, Dust cover 16, pinion 17, arc rack 18, rolling pressure bearing II19, dustproof gasket 20, lock plate 21, direction sensor 22 and speed sensor 23, rolling pressure bearing I12, Dust-proof cover 16, steel sleeve 15, rolling pressure bearing II19 and dust-proof gasket 20, the top of steel sleeve 15 passes through fixed frame 11, and lock plate 21 is installed on the top of steel sleeve 15, and the two ends of stud bolt 14 respectively Through the circular hole in the middle of the turntable frame 13 and the lock plate 21, the turntable frame 13 is fixed in the middle of the fixed mount 11. The left side of the turntable frame 13 is equipped with an arc rack 18, and the left side of the mount 11 is installed to be in phase with the arc rack 18. Engaging pinion 17, the upper end of pinion 17 is installed with servo reduction motor 10, and the middle of the bottom of turntable frame 13 is installed with driven steering wheel shaft 6, and driven steering wheel shaft 6 is fixed on unmanned steering mechanism 1 with U-shaped bolts and skids. Below, the front end of fixed frame 11 installs automatic rope winding device 9; As shown in Figure 5, 6, described automatic rope winding device 9 comprises tile seat 24, reel 25, steel wire rope 26, axle 27 and scroll spring 28, A scroll spring 28 and a reel 25 are successively set on the shaft 27. One end of the scroll spring 28 is fixed to the shaft 27, and the other end is fixed to the reel 25. The wire rope 26 is wound on the reel 25, and one end of the wire rope 26 is connected to the reel 25. Fixed, the other end is a free end, tile seat 24 is arranged on the two ends of axle 27; Direction sensor 22 and speed sensor 23 are installed on the wire rope 26 of automatic rope winding device 9.

The left and right sides of the turntable frame 13 are respectively connected with the fixed mount 11 by an extension spring device 29 , one end of the extension spring device 29 is connected with the turntable frame 13 , and the other end is connected with the fixed mount 11 .

The working principle of the utility model: the material-receiving navigation vehicle is overlapped with the crushing and reloading machine (or scraper machine) at the rear end of the mining unit. Connected broken loader unloading end, pull out wire rope 26 and be connected with the midpoint of broken loader. When the excavation unit moves forward and backward, it will pull the steel wire rope 26. After the speed sensor 23 senses it, it will transmit this signal to the control system of the motor-driven axle 4, command the motor-driven axle to start, and follow the excavation unit to move forward and backward. When the machine is running, the contact of the speed sensor touches the limit device, directing the motor to drive the wheel shaft to decelerate until the pace is consistent; when the receiving navigation vehicle is snaking and swinging, the steel wire rope 26 will swing accordingly, and the direction sensor 22 will pass this signal to the unmanned vehicle after sensing it. Steering mechanism 1, instructs the unmanned steering mechanism to turn and follow the mining unit to travel in a straight line without deviating from the center.

The utility model is equipped with a wheel shaft and an unmanned steering mechanism, which can automatically drive in a straight line following the roadheader without deviating from the center of the target. The traction and command automatic telescopic belt conveyor automatically expands and retracts, and is synchronized with the target, effectively improving the reloading efficiency of the reloading system and reducing its operating costs. The utility model is provided with a buffer funnel, which reduces the peak value of the transport volume and saves system energy, equipment cost and operating cost.

Claims (5)

1. A receiving and navigating tractor, characterized in that it includes an unmanned steering mechanism (1), a buffer roller (2), a buffer funnel (3), a motor-driven axle (4), a frame (5), and a The moving steering wheel shaft (6), the steering roller (7) and the counterweight (8), the unmanned steering mechanism (1) is installed in front of the vehicle frame (5), and the driven steering wheel shaft is installed under the unmanned steering mechanism (1) (6), the motor drive wheel shaft (4) is installed under the rear end of the vehicle frame (5), and a number of buffer rollers (2) are installed at intervals along the length direction of the vehicle frame on the left and right sides above the vehicle frame (5), and the buffer rollers ( 2) the buffer funnel (3) is installed above the vehicle frame (5), the front end of the buffer idler roller (2) above the vehicle frame (5) is equipped with a redirection drum (7), and the rear end of the vehicle frame (5) is equipped with a counterweight (8). 2. A receiving and navigating tractor according to claim 1, characterized in that: the unmanned steering mechanism (1) includes an automatic rope winding device (9), a servo deceleration motor (10), a fixed frame ( 11), rolling pressure bearing I (12), turntable frame (13), stud bolt (14), steel sleeve (15), dust cover (16), pinion (17), arc rack (18) , rolling pressure bearing II (19), dust-proof gasket (20), lock plate (21), direction sensor (22) and speed sensor (23), rolling pressure bearing I (12) is installed in the middle base of the turntable frame (13) ), dust cover (16), steel sleeve (15), rolling pressure bearing II (19) and dust washer (20), the upper part of the steel sleeve (15) passes through the fixing frame (11), and is placed on the steel sleeve ( Install the lock plate (21) on the upper part of 15), and the two ends of the stud bolts (14) respectively pass through the round holes in the middle of the turntable frame (13) and the lock plate (21) to fix the turntable frame (13) on the fixed frame (11 ), the left side of the turntable frame (13) is equipped with an arc rack (18), and the left side of the fixed frame (11) is equipped with a pinion (17) meshing with the arc rack (18). The pinion (17) Servo reduction motor (10) is installed in the upper end of the fixed mount (11), and the automatic winding rope device (9) is installed in the front end of fixed mount (11). 3. A receiving and navigating tractor according to claim 2, characterized in that: the automatic rope winding device (9) includes a tile seat (24), a reel (25), a steel wire rope (26), a shaft ( 27) and the scroll spring (28), the scroll spring (28) and the reel (25) are set on the shaft (27) in sequence, one end of the scroll spring (28) is fixed with the shaft (27), and the other end is connected with the reel (25) is fixed, the wire rope (26) is wound on the reel (25), one end of the wire rope (26) is fixed to the reel (25), the other end is a free end, and the tile seat (24) is arranged on the shaft (27) Two ends; Direction sensor (22) and speed sensor (23) are installed on the steel wire rope (26) of automatic rope winding device (9). 4. A receiving and navigating tractor according to claim 3, characterized in that: a material guide plate and a flow controller are installed at the lower opening of the buffer funnel (3). 5. A receiving and navigating tractor according to claim 4, characterized in that: the left and right sides of the turntable frame (13) are respectively connected to the fixed frame (11) through a tension spring device (29), and the tension spring device (29) One end is connected with the turntable frame (13), and the other end is connected with the fixed mount (11).