CN211438871U - Remove quick pin pulling machine - Google Patents

Abstract

The utility model relates to a remove quick pulling pin machine belongs to colliery mechanical equipment technical field. The device comprises a travelling wheel, a pushing oil cylinder, a motor, a coupler, a sleeve, a connector, a first pin, a pin pulling bolt, a rack, a rocker arm, a rotary trapezoidal nut, a second pin, a rotary trapezoidal screw, a third pin, a ball bearing, a bearing seat and a thrust bearing, wherein two ends of the rotary trapezoidal screw are respectively connected with the ball bearing and the thrust bearing, the ball bearing and the thrust bearing are fixed by the bearing seat and are respectively fixed on the rack through bolts, the motor is connected with the rotary trapezoidal screw through the coupler, one end of the rocker arm is connected with the rack through the third pin, the other end of the rocker arm is connected with the rotary trapezoidal screw through the second pin, the pushing oil cylinder is fixed at the end of the other end of the rocker arm, one end of the pin pulling bolt is arranged in. The utility model has the advantages of high degree of mechanization, low labor intensity, high safety factor and the like.

Description

Remove quick pin pulling machine

Technical Field

The utility model relates to a remove quick pulling pin machine belongs to colliery mechanical equipment technical field.

Background

Along with the popularization of the coal mine fully-mechanized mining technology, the use amount of the fully-mechanized mining hydraulic support in a coal mine is increased greatly, and the product service of the fully-mechanized mining hydraulic support overhaul also occupies an extremely important position. In the life cycle of the product, the fully-mechanized mining hydraulic support needs to be lifted to a repair shop periodically for overhaul, so that safety guarantee is provided for continuous use. The parts of the fully-mechanized mining hydraulic support are connected by pin shafts, and the pin shafts are easy to corrode and damage due to the fact that the use environment is severe, so that the corroded and damaged pin shafts need to be disassembled and replaced during maintenance.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a high-efficient, safe quick pulling pin machine of removal.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mobile rapid pin pulling machine comprises a walking wheel, a pushing oil cylinder, a motor, a coupling, a sleeve, a connector, a pin I, a pin pulling bolt, a frame, a rocker arm, a rotary trapezoidal nut, a pin II, a rotary trapezoidal screw, a pin III, a ball bearing, a bearing seat, a thrust bearing, an oil cylinder piston rod, a motor switch, a reversing valve set, a pump and an oil tank, wherein the walking wheel is arranged at the bottom of the frame, a driving motor is arranged at the top of the frame, the rotary trapezoidal nut is sleeved on the rotary trapezoidal screw, two ends of the rotary trapezoidal screw are respectively connected with the ball bearing and the thrust bearing, the ball bearing and the thrust bearing are fixed on the frame by the bearing seat and are respectively fixed on the frame by the bolt, the motor is connected with the rotary trapezoidal screw by the coupling, the middle part of the rocker arm is provided with a through hole, one end of the rocker arm is connected with a longitudinal support rod, when the rotary trapezoidal screw rotates, the rotary trapezoidal nut can rotate around the pin II and drive the rocker arm to move up and down; the pushing oil cylinder is fixed at the end head of the other end of the rocker arm, the sleeve is fixedly connected to the cylinder body of the pushing oil cylinder through a bolt, one end of the pin pulling bolt is rotatably installed in one end of the connector, and the connector is fixedly connected with an oil cylinder piston rod of the pushing oil cylinder through a pin I; the motor is connected with a power supply through a lead, and a motor switch is arranged between the motor and the power supply.

Compared with the prior art, the utility model discloses owing to adopt above technical scheme, have following beneficial effect: the utility model discloses to remove and pull pin combination as an organic whole, thoroughly overcome artifical specialized tool-area hammer and dismantle a great deal of defects such as intensity of labour big, inefficiency, work factor of safety is not high moreover to the round pin axle, it has advantages such as degree of mechanization height, intensity of labour are little, factor of safety height.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a view from the direction A of FIG. 1;

FIG. 3 is a hydraulic schematic view of the pushing cylinder of the present invention;

in the figure: the device comprises a travelling wheel 1, a pushing oil cylinder 2, a driving motor 3, a coupling 4, a sleeve 5, a connector 6, a pin I7, a pin pulling bolt 8, a rack 9, a rocker arm 10, a trapezoidal nut 11, a pin II 12, a rotary trapezoidal screw 13, a pin III 14, a ball bearing 15, a bearing seat 16, a thrust bearing 17, an oil cylinder piston rod 18, a motor switch 19, a reversing valve group 20, a pump and an oil tank 21.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

as shown in fig. 1 to 3: a movable quick pin pulling machine comprises a walking wheel 1, a pushing oil cylinder 2, a motor 3, a coupler 4, a sleeve 5, a connector 6, a pin I7, a pin pulling bolt 8, a frame 9, a rocker arm 10, a rotary trapezoidal nut 11, a pin II 12, a rotary trapezoidal screw 13, a pin III 14, a ball bearing 15, a bearing seat 16, a thrust bearing 17, an oil cylinder piston rod 18, a motor switch 19, a reversing valve bank 20, a pump and an oil tank 21, wherein the walking wheel 1 is arranged at the bottom of the frame 9, the driving motor 3 is arranged at the top of the frame 9, the rotary trapezoidal nut 11 is sleeved on the rotary trapezoidal screw 13, two ends of the rotary trapezoidal screw 13 are respectively connected with the ball bearing 15 and the thrust bearing 17, the ball bearing 15 and the thrust bearing 17 are fixed by the bearing seat 16 and respectively fixed on the frame 9 through bolts, the motor 3 is connected with the rotary trapezoidal screw 13 through the coupler 4, One end of the rotary trapezoidal screw is connected with a longitudinal supporting rod of the rack 9 through a pin III 14, the other end of the rotary trapezoidal screw is connected with a rotary trapezoidal nut 11 which is sleeved on a rotary trapezoidal screw 13 through a through hole in the middle of the rocker arm 10 through a pin II 12, and the rotary trapezoidal nut 11 can rotate around the pin II 12 and drive the rocker arm 10 to move up and down when the rotary trapezoidal screw 13 rotates; the pushing oil cylinder 2 is fixed at the end head of the other end of the rocker arm 10, the sleeve 5 is fixedly connected to the cylinder body of the pushing oil cylinder 2 through a bolt, one end of the pin pulling bolt 8 is rotatably installed in one end of the connector 6, and the connector 6 is fixedly connected with an oil cylinder piston rod 18 of the pushing oil cylinder 2 through a pin I7; the motor 3 is connected with a power supply through a lead, and a motor switch 19 is arranged between the motor 3 and the power supply.

The working principle is as follows: pushing the frame 9 to the position where the pin shaft needs to be disassembled and replaced of the fully mechanized mining hydraulic support; a motor switch 19 is pressed down to supply power to a motor 3 to drive a coupler 4 and a rotary trapezoidal screw 13 to rotate, the rotary trapezoidal screw 13 drives a trapezoidal nut 11 and a rocker arm 10 to move up and down, and a pushing oil cylinder 2 fixed on the rocker arm 10 is aligned to the center of a required pull pin; a power supply of A pump and an oil tank 21 is connected to enable the pump and the oil tank to work, A reversing valve group 20 of A pushing oil cylinder 2 is operated to connect an O-A, P-B channel, emulsion is supplied to the pushing oil cylinder 2 through the O-A channel by the pump and the oil tank 21 and pushes an oil cylinder piston rod 18 to extend outwards, the emulsion at the side end of A piston rod 18 in the pushing oil cylinder 2 returns to the pump and the oil tank of the oil tank 21 through A P-B channel when the piston rod 18 extends outwards, when A connecting hole of the oil cylinder piston rod 18 exceeds the length of A supporting sleeve 5, the reversing valve group 20 is operated to close the O-A, P-B channel, liquid supply to the pushing oil cylinder 2 is; one end of a pin pulling bolt 8 is rotatably arranged in one end of the connecting head 6, the other end of the pin pulling bolt 8 is rotatably arranged in a central threaded hole of a pin shaft to be pulled, and the other end of the connecting head 6 is fixedly connected with an oil cylinder piston rod 18 of the pushing oil cylinder 2 through a pin I7 after connection is finished; the reversing valve group 20 is operated to connect the valve group O-P, A-B channel, the pump and the oil tank 21 supply emulsion to the pushing oil cylinder 2 through the O-P channel and push the oil cylinder piston rod 18 to retract inwards, the emulsion at the other end of the piston rod 18 in the pushing oil cylinder 2 returns to the oil tank of the pump and the oil tank 21 through the A-B channel when the piston rod 18 retracts inwards, when the sleeve 5 contacts the peripheral fixing surface of the required pulling pin shaft to support, the piston rod 18 drives the pulling pin bolt 8 to retract continuously towards the sleeve 5 until the required pulling pin shaft falls off the original pin hole, the reversing valve group 20 is operated to close the O-P, A-B channel, the liquid supply to the pushing oil cylinder 2 is stopped, the piston rod 18 stops retracting inwards, and the pulling pin action is finished.

Claims (1)

1. The utility model provides a remove quick pin pulling machine which characterized in that: the automatic transmission mechanism comprises a travelling wheel (1), a pushing oil cylinder (2), a motor (3), a coupler (4), a sleeve (5), a connector (6), a pin I (7), a pin pulling bolt (8), a frame (9), a rocker arm (10), a rotary trapezoidal nut (11), a pin II (12), a rotary trapezoidal screw (13), a pin III (14), a ball bearing (15), a bearing seat (16), a thrust bearing (17), an oil cylinder piston rod (18), a motor switch (19), a reversing valve group (20), a pump and an oil tank (21), wherein the travelling wheel (1) is arranged at the bottom of the frame (9), a driving motor (3) is arranged at the top of the frame (9), the rotary trapezoidal nut (11) is sleeved on the rotary trapezoidal screw (13), the two ends of the rotary trapezoidal screw (13) are respectively connected with the ball bearing (15) and the thrust bearing (17), and the ball bearing (15) and the thrust bearing (17) are fixed by the bearing seat (16) 9) The motor (3) is connected with a rotary trapezoidal screw (13) through a coupler (4), a through hole is formed in the middle of the rocker arm (10), one end of the through hole is connected with a longitudinal supporting rod of the rack (9) through a pin III (14), the other end of the through hole is connected with a rotary trapezoidal nut (11) which is sleeved on the rotary trapezoidal screw (13) through a pin II (12) through the through hole in the middle of the rocker arm (10), and the rotary trapezoidal nut (11) can rotate around the pin II (12) and drives the rocker arm (10) to move up and down when the rotary trapezoidal screw (13) rotates; the pushing oil cylinder (2) is fixed at the end of the other end of the rocker arm (10), the sleeve (5) is fixedly connected to the cylinder body of the pushing oil cylinder (2) through a bolt, one end of a pin pulling bolt (8) is rotatably installed in one end of the connector (6), and the connector (6) is fixedly connected with an oil cylinder piston rod (18) of the pushing oil cylinder (2) through a pin I (7); the motor (3) is connected with a power supply through a lead, and a motor switch (19) is arranged between the motor (3) and the power supply.

Images