A full-section scraping and recovery device for a combined digging, supporting and anchoring unit and a method of using the same

Abstract

A full-section scraping and recovery device for a combined digging, supporting and anchoring unit and a method for using the device, the device includes a scraper mechanism, a transport mechanism and an auxiliary crushing mechanism; the transport mechanism is a right-angle turning structure, one arm of the transport mechanism is located at the front end of the combined digging, supporting and anchoring unit, and the other arm is located on the side of the combined digging, supporting and anchoring unit; the scraper mechanism is located in front of the combined digging, supporting and anchoring unit and is arranged at the front end of the transport mechanism; the auxiliary crushing mechanism is located above the scraper mechanism and is arranged at the front end of the combined digging, supporting and anchoring unit. The method is: by flipping the auxiliary scraper inward, the fallen coal on both sides of the roadway is pushed to the scraper mechanism, and the fallen coal enters the transport mechanism through the scraper mechanism to realize external transportation; by adjusting the elongation of the transverse telescopic end slot to adapt to the width of the roadway, the elongation of the longitudinal telescopic end slot is adjusted synchronously to maintain the tension state of the scraper chain; by adjusting the pitch angle of the adjustable scraper head to adapt to the slope; by adjusting the swing angle of the tail-swinging transport trough to adapt to the turning condition to reduce the turning radius of the equipment; by reducing the size of the coal block by the crushing roller.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mining machinery, and in particular relates to a full-section scraping and recovery device for a digging, supporting and anchoring combined unit and a use method thereof. Background Art

[0002] As a typical fully mechanized mining equipment, the excavation, support and anchoring combined unit has been proven to have good underground operation performance in practice, but the performance of some functional modules still needs to be improved. Taking the shoveling part of the excavation, support and anchoring combined unit as an example, the traditional shoveling part has poor recovery ability for the coal dropped on both sides of the roadway, and cannot adapt well to the changes in the width of the roadway, and has weak adaptability when encountering uphill and downhill conditions, and cannot adapt well to the turning conditions of the excavation, support and anchoring combined unit, resulting in poor flexibility of the excavation, support and anchoring combined unit. Summary of the invention

[0003] In response to the problems existing in the prior art, the present invention provides a full-section shoveling and recovery device for a combined excavation, support and anchoring unit and a method of use, which can effectively improve the recovery capacity of fallen coal on both sides of the tunnel, can better adapt to changes in tunnel width, can easily adapt to uphill and downhill conditions, and can effectively reduce the turning radius when the combined excavation, support and anchoring unit is turning, thereby improving the flexibility of the entire combined excavation, support and anchoring unit.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a full-section shoveling and recovery device for a combined excavation, support and anchor unit, comprising a shovel mechanism, a transportation mechanism and an auxiliary crushing mechanism; the transportation mechanism adopts a right-angle turning structure, one arm of the transportation mechanism is located at the front end of the combined excavation, support and anchor unit, and the other arm of the transportation mechanism is located on the side of the combined excavation, support and anchor unit; the shovel mechanism is located in front of the combined excavation, support and anchor unit, and the shovel mechanism is arranged at the front end of the transportation mechanism; the auxiliary crushing mechanism is located above the shovel mechanism, and the auxiliary crushing mechanism is arranged at the front end of the combined excavation, support and anchor unit.

[0005] The transport mechanism includes a transverse transport trough, a right-angle turn transport trough, a longitudinal transport trough, a swing-tail transport trough, a scraper chain, a driving sprocket and a driven sprocket; the transverse transport trough is fixedly arranged at the front end of the excavation-support-anchor combined unit, the longitudinal transport trough is fixedly arranged at the side of the excavation-support-anchor combined unit, and the longitudinal transport trough and the transverse transport trough are connected through a right-angle turn transport trough; the swing-tail transport trough is located behind the longitudinal transport trough, and the front end of the swing-tail transport trough is hingedly connected to the rear end of the longitudinal transport trough; a swing-tail drive is connected between the longitudinal transport trough and the swing-tail transport trough. Hydraulic cylinder; a ground support mechanism is arranged at the bottom of the swing-tail transport trough; a transverse telescopic end groove is installed at the side end of the transverse transport trough, and the transverse telescopic end groove has the ability to adjust the elongation in the width direction of the tunnel; a longitudinal telescopic end groove is installed at the rear end of the swing-tail transport trough, and the longitudinal telescopic end groove has the ability to adjust the elongation in the excavation direction; the driving sprocket is arranged on the longitudinal telescopic end groove, and the driving sprocket is externally connected to the driving mechanism; the driven sprocket is arranged on the transverse telescopic end groove, and the driven sprocket is connected to the driving sprocket through a scraper chain transmission.

[0006] The shovel mechanism includes a middle main shovel, a main shovel on the right-angle turn side, a main shovel on the end side, an auxiliary shovel on the right-angle turn side and an auxiliary shovel on the end side; the middle main shovel is fixedly arranged on the front end side wall of the transverse transport trough, the middle main shovel includes a fixed shovel seat and an adjustable shovel head, the fixed shovel seat is fixedly connected to the transverse transport trough, the adjustable shovel head is hinged to the fixed shovel seat, and an adjustable shovel head posture adjustment driving cylinder is connected between the adjustable shovel head and the fixed shovel seat; the right-angle turn side main shovel is fixedly arranged on the front end side wall of the right-angle turn transport trough; the end side main shovel is fixedly connected to the transverse transport trough. Towards the telescopic end slot, the end side main shovel plate and the transverse telescopic end slot are telescopically follow-up; the right-angle turn side auxiliary shovel plate is located above the right-angle turn side main shovel plate, the right-angle turn side auxiliary shovel plate is hinged to the right-angle turn transport slot, and the right-angle turn side auxiliary shovel plate posture adjustment drive cylinder is connected between the back of the right-angle turn side auxiliary shovel plate and the longitudinal transport slot; the end side auxiliary shovel plate is located above the end side main shovel plate, the end side auxiliary shovel plate is hinged to the transverse telescopic end slot, and the end side auxiliary shovel plate posture adjustment drive cylinder is connected between the back of the end side auxiliary shovel plate and the transverse telescopic end slot.

[0007] The auxiliary crushing mechanism includes a slide seat, a slider seat, a cantilever and a crushing drum; the slide seat is fixedly arranged at the front end of the excavation, support and anchor combined unit, the slider seat is installed on the slide seat, and the slider seat can move linearly along the length direction of the slide seat; one end of the cantilever is hinged on the slider seat, the crushing drum is installed at the other end of the cantilever, and the crushing drum is located above the shovel mechanism; a crushing drum pitch adjustment drive cylinder is connected between the slider seat and the cantilever.

[0008] The method for using the full-section scraping and recovery device for the digging, supporting and anchoring combined unit is specifically as follows:

[0009] ① When it is necessary to recover the fallen coal on both sides of the roadway, first drive the right-angle turning side auxiliary shovel plate to flip inwards through the right-angle turning side auxiliary shovel plate posture adjustment drive cylinder, and at the same time drive the end side auxiliary shovel plate to flip inwards through the side auxiliary shovel plate posture adjustment drive cylinder to push the fallen coal on both sides of the roadway to the shovel plate mechanism. As the shovel plate mechanism moves forward, the fallen coal passes through the shovel plate mechanism and enters the transportation mechanism for external transportation;

[0010] ② When the width of the lane changes, first adjust the elongation of the transverse telescopic end slot to match the lane width, and at the same time adjust the elongation of the longitudinal telescopic end slot to ensure that the scraper chain is always in a tensioned state and the transport mechanism is maintained in normal operation;

[0011] ③. When encountering uphill and downhill working conditions, the pitch angle of the adjustable shovel head is controlled by the adjustable shovel head posture adjustment drive cylinder to make the inclination angle of the adjustable shovel head adapt to the slope;

[0012] ④. When the digging, supporting and anchoring combined unit needs to turn, the swing angle of the tail-swinging transport trough is adjusted by the tail-swinging driving hydraulic cylinder to adapt to the turning conditions, so as to reduce the turning radius of the digging, supporting and anchoring combined unit;

[0013] ⑤. When the size of the falling coal blocks exceeds the transportation limit of the transportation mechanism, the crushing drum is controlled to fall, and the coal blocks with oversized sizes are crushed by the crushing drum so that the size of the crushed coal blocks meets the transportation requirements of the transportation mechanism.

[0014] Beneficial effects of the present invention:

[0015] The full-section shoveling and recovery device and use method for the excavation, support and anchor combined unit of the present invention can effectively improve the recovery capacity of fallen coal on both sides of the tunnel, can better adapt to changes in tunnel width, can easily adapt to uphill and downhill conditions, and can effectively reduce the turning radius when the excavation, support and anchor combined unit is turning, thereby improving the flexibility of the entire excavation, support and anchor combined unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a full-section scraping and recovery device for a digging, supporting and anchoring combined unit of the present invention;

[0017] Figure 2 It is a schematic diagram of the assembly of the scraper mechanism and the transport mechanism (the scraper chain and other components are not shown) of the present invention;

[0018] Figure 3 It is a structural schematic diagram of the transport mechanism of the present invention (the scraper chain and other components are not shown);

[0019] Figure 4It is a structural schematic diagram of the middle main shovel board (adjustable shovel board head raised state) of the present invention;

[0020] Figure 5 It is a structural schematic diagram of the auxiliary crushing mechanism of the present invention;

[0021] In the figure, 1 is a shovel mechanism, 2 is a transport mechanism, 3 is an auxiliary crushing mechanism, 4 is a transverse transport trough, 5 is a corner transport trough, 6 is a longitudinal transport trough, 7 is a swing-tail transport trough, 8 is a scraper chain, 9 is a driving sprocket, 10 is a driven sprocket, 11 is a swing-tail drive hydraulic cylinder, 12 is a ground support mechanism, 13 is a transverse telescopic end trough, 14 is a longitudinal telescopic end trough, 15 is a middle main shovel, 16 is a right-angle turning side main shovel, 17 is a right-angle turning side main shovel, 18 is a right-angle turning side main shovel, 19 is a right-angle turning side main shovel, 20 is a right-angle turning side main shovel, 21 is a right-angle turning side main shovel, 22 is a right-angle turning side main shovel, 23 is a right-angle turning side main shovel, 24 is a right-angle turning side main shovel, 25 is a right-angle turning side main shovel, 26 is a right-angle turning side main shovel, 27 is a right-angle turning side main shovel, 28 is a right-angle turning side main shovel, 29 is a right-angle turning side main shovel, 30 is a right-angle turning side main shovel, 31 is a right-angle turning side main shovel, 32 is a right-angle turning side main shovel, 33 is a right-angle turning side main shovel, 34 is a right-angle turning side main shovel, 35 is a right-angle turning side main shovel, 36 is a right-angle turning side main shovel, 37 is a right-angle turning side main s —Main shovel on the end side, 18—auxiliary shovel on the right-angle turn side, 19—auxiliary shovel on the end side, 20—fixed shovel seat, 21—adjustable shovel head, 22—adjustable shovel head posture adjustment drive cylinder, 23—auxiliary shovel on the right-angle turn side posture adjustment drive cylinder, 24—auxiliary shovel on the end side posture adjustment drive cylinder, 25—slide seat, 26—slider seat, 27—cantilever, 28—crushing drum, 29—crushing drum pitch adjustment drive cylinder. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] like Figures 1 to 5 As shown, a full-section shoveling and recovery device for a combined excavation-supporting and anchoring unit comprises a shovel mechanism 1, a transport mechanism 2 and an auxiliary crushing mechanism 3; the transport mechanism 2 adopts a right-angle turning structure, one arm of the transport mechanism 2 is located at the front end of the combined excavation-supporting and anchoring unit, and the other arm of the transport mechanism 2 is located at the side of the combined excavation-supporting and anchoring unit; the shovel mechanism 1 is located in front of the combined excavation-supporting and anchoring unit, and the shovel mechanism 1 is arranged at the front end of the transport mechanism 2; the auxiliary crushing mechanism 3 is located above the shovel mechanism 1, and the auxiliary crushing mechanism 3 is arranged at the front end of the combined excavation-supporting and anchoring unit.

[0024] The transport mechanism 2 includes a transverse transport trough 4, a right-angle turn transport trough 5, a longitudinal transport trough 6, a swing-tail transport trough 7, a scraper chain 8, a driving sprocket 9 and a driven sprocket 10; the transverse transport trough 4 is fixedly arranged at the front end of the excavation-supporting and anchoring combined unit, the longitudinal transport trough 6 is fixedly arranged at the side of the excavation-supporting and anchoring combined unit, and the longitudinal transport trough 6 is connected to the transverse transport trough 4 through the right-angle turn transport trough 5; the swing-tail transport trough 7 is located behind the longitudinal transport trough 6, and the front end of the swing-tail transport trough 7 is hingedly connected to the rear end of the longitudinal transport trough 6; a swing-tail drive hydraulic cylinder is connected between the longitudinal transport trough 6 and the swing-tail transport trough 7 11; a ground support mechanism 12 is arranged at the bottom of the swing-tail transport trough 7; a transverse telescopic end groove 13 is installed at the side end of the transverse transport trough 4, and the transverse telescopic end groove 13 has the ability to adjust the elongation in the width direction of the tunnel; a longitudinal telescopic end groove 14 is installed at the rear end of the swing-tail transport trough 7, and the longitudinal telescopic end groove 14 has the ability to adjust the elongation in the excavation direction; the driving sprocket 9 is arranged on the longitudinal telescopic end groove 14, and the driving sprocket 9 is externally connected to the driving mechanism; the driven sprocket 10 is arranged on the transverse telescopic end groove 13, and the driven sprocket 10 is connected to the driving sprocket 9 through the scraper chain 8.

[0025] The shovel mechanism 1 includes a middle main shovel 15, a right-angle turn side main shovel 16, an end side main shovel 17, a right-angle turn side auxiliary shovel 18 and an end side auxiliary shovel 19; the middle main shovel 15 is fixedly arranged on the front end side wall of the transverse transport trough 4, and the middle main shovel 15 includes a fixed shovel seat 20 and an adjustable shovel head 21, the fixed shovel seat 20 is fixedly connected to the transverse transport trough 4, the adjustable shovel head 21 is hinged to the fixed shovel seat 20, and an adjustable shovel head posture adjustment drive cylinder 22 is connected between the adjustable shovel head 21 and the fixed shovel seat 20; the right-angle turn side main shovel 16 is fixedly arranged on the front end side wall of the right-angle turn transport trough 5; the end side main shovel 17 is fixedly connected to the transverse transport trough 4, and the middle main shovel 15 includes a fixed shovel seat 20 and an adjustable shovel head 21. Connected to the transverse telescopic end groove 13, the end side main shovel plate 17 and the transverse telescopic end groove 13 are telescopically follow-up; the right-angle turn side auxiliary shovel plate 18 is located above the right-angle turn side main shovel plate 16, the right-angle turn side auxiliary shovel plate 18 is hinged to the right-angle turn transport groove 5, and the right-angle turn side auxiliary shovel plate posture adjustment drive cylinder 23 is connected between the back of the right-angle turn side auxiliary shovel plate 18 and the longitudinal transport groove 6; the end side auxiliary shovel plate 19 is located above the end side main shovel plate 17, the end side auxiliary shovel plate 19 is hinged to the transverse telescopic end groove 13, and the end side auxiliary shovel plate posture adjustment drive cylinder 24 is connected between the back of the end side auxiliary shovel plate 19 and the transverse telescopic end groove 13.

[0026] The auxiliary crushing mechanism 3 includes a chute seat 25, a slider seat 26, a cantilever 27 and a crushing drum 28; the chute seat 25 is fixedly arranged at the front end of the excavation, support and anchor combined unit, the slider seat 26 is installed on the chute seat 25, and the slider seat 26 can move linearly along the length direction of the chute seat 25; one end of the cantilever 27 is hinged on the slider seat 26, and the crushing drum 28 is installed at the other end of the cantilever 27, and the crushing drum 28 is located above the shovel mechanism 1; a crushing drum pitch adjustment drive cylinder 29 is connected between the slider seat 26 and the cantilever 27.

[0027] The method for using the full-section scraping and recovery device for the digging, supporting and anchoring combined unit is specifically as follows:

[0028] ①, when it is necessary to recover the fallen coal on both sides of the roadway, firstly, the right-angle turning side auxiliary shovel plate posture adjustment driving cylinder 23 drives the right-angle turning side auxiliary shovel plate 18 to flip inwards, and at the same time, the side auxiliary shovel plate posture adjustment driving cylinder 24 drives the end side auxiliary shovel plate 19 to flip inwards, so as to push the fallen coal on both sides of the roadway to the shovel plate mechanism 1, and as the shovel plate mechanism 1 moves forward, the fallen coal passes through the shovel plate mechanism 1 and enters the transportation mechanism 2 for external transportation;

[0029] ② When the width of the lane changes, first adjust the elongation of the transverse telescopic end slot 13 to adapt to the lane width, and at the same time adjust the elongation of the longitudinal telescopic end slot 14 to ensure that the scraper chain 8 is always in a tensioned state, so that the transport mechanism 2 is maintained in a normal operating state;

[0030] ③. When encountering uphill and downhill working conditions, the pitch angle of the adjustable shovel head 21 is controlled by the adjustable shovel head posture adjustment driving cylinder 22 so that the inclination angle of the adjustable shovel head 21 is adapted to the slope;

[0031] ④. When the digging, supporting and anchoring combined unit needs to turn, the swing angle of the swing-tail transport trough 7 is adjusted by the swing-tail driving hydraulic cylinder 11 to adapt to the turning condition, so as to reduce the turning radius of the digging, supporting and anchoring combined unit;

[0032] ⑤. When the size of the falling coal blocks exceeds the transportation limit of the transportation mechanism 2, the crushing drum 28 is controlled to fall, and the coal blocks with oversized sizes are crushed by the crushing drum 28 so that the size of the crushed coal blocks meets the transportation requirements of the transportation mechanism 2.

[0033] The solutions in the embodiments are not intended to limit the patent protection scope of the present invention. All equivalent implementations or changes that do not deviate from the present invention are included in the patent scope of this case.

Claims

1. A full-section scraping and recovery device for a combined digging, supporting and anchoring unit, characterized in that: It includes a shovel mechanism, a transport mechanism and an auxiliary crushing mechanism; the transport mechanism adopts a right-angle turning structure, one arm of the transport mechanism is located at the front end of the digging, supporting and anchoring combined unit, and the other arm of the transport mechanism is located at the side of the digging, supporting and anchoring combined unit; the shovel mechanism is located in front of the digging, supporting and anchoring combined unit, and the shovel mechanism is arranged at the front end of the transport mechanism; the auxiliary crushing mechanism is located above the shovel mechanism, and the auxiliary crushing mechanism is arranged at the front end of the digging, supporting and anchoring combined unit; The transport mechanism includes a transverse transport trough, a right-angle turn transport trough, a longitudinal transport trough, a swing-tail transport trough, a scraper chain, a driving sprocket and a driven sprocket; the transverse transport trough is fixedly arranged at the front end of the excavation-support-anchor combined unit, the longitudinal transport trough is fixedly arranged at the side of the excavation-support-anchor combined unit, and the longitudinal transport trough and the transverse transport trough are connected through a right-angle turn transport trough; the swing-tail transport trough is located behind the longitudinal transport trough, and the front end of the swing-tail transport trough is hingedly connected to the rear end of the longitudinal transport trough; a swing-tail drive is connected between the longitudinal transport trough and the swing-tail transport trough. A hydraulic cylinder; a ground support mechanism is provided at the bottom of the swing-tail transport trough; a transverse telescopic end trough is installed at the side end of the transverse transport trough, and the transverse telescopic end trough has the ability to adjust the elongation in the width direction of the tunnel; a longitudinal telescopic end trough is installed at the rear end of the swing-tail transport trough, and the longitudinal telescopic end trough has the ability to adjust the elongation in the excavation direction; the driving sprocket is arranged on the longitudinal telescopic end trough, and the driving sprocket is externally connected to the driving mechanism; the driven sprocket is arranged on the transverse telescopic end trough, and the driven sprocket is connected to the driving sprocket through a scraper chain transmission; The shovel mechanism includes a middle main shovel, a main shovel on the right-angle turn side, a main shovel on the end side, an auxiliary shovel on the right-angle turn side and an auxiliary shovel on the end side; the middle main shovel is fixedly arranged on the front end side wall of the transverse transport trough, the middle main shovel includes a fixed shovel seat and an adjustable shovel head, the fixed shovel seat is fixedly connected to the transverse transport trough, the adjustable shovel head is hinged to the fixed shovel seat, and an adjustable shovel head posture adjustment driving cylinder is connected between the adjustable shovel head and the fixed shovel seat; the right-angle turn side main shovel is fixedly arranged on the front end side wall of the right-angle turn transport trough; the end side main shovel is fixedly connected to the transverse transport trough. Towards the telescopic end slot, the end side main shovel plate and the transverse telescopic end slot are telescopically followed; the right-angle turn side auxiliary shovel plate is located above the right-angle turn side main shovel plate, the right-angle turn side auxiliary shovel plate is hinged to the right-angle turn transport slot, and the right-angle turn side auxiliary shovel plate posture adjustment drive cylinder is connected between the back of the right-angle turn side auxiliary shovel plate and the longitudinal transport slot; the end side auxiliary shovel plate is located above the end side main shovel plate, the end side auxiliary shovel plate is hinged to the transverse telescopic end slot, and the end side auxiliary shovel plate posture adjustment drive cylinder is connected between the back of the end side auxiliary shovel plate and the transverse telescopic end slot; The auxiliary crushing mechanism includes a slide seat, a slider seat, a cantilever and a crushing drum; the slide seat is fixedly arranged at the front end of the excavation, support and anchor combined unit, the slider seat is installed on the slide seat, and the slider seat can move linearly along the length direction of the slide seat; one end of the cantilever is hinged on the slider seat, the crushing drum is installed at the other end of the cantilever, and the crushing drum is located above the shovel mechanism; a crushing drum pitch adjustment drive cylinder is connected between the slider seat and the cantilever.

2. The method for using the full-section scraping and recovery device for the digging, supporting and anchoring combined unit according to claim 1 is characterized in that Specifically: ① When it is necessary to recover the fallen coal on both sides of the roadway, first drive the right-angle turning side auxiliary shovel plate posture adjustment drive cylinder to drive the right-angle turning side auxiliary shovel plate to flip inward, and at the same time drive the end side auxiliary shovel plate posture adjustment drive cylinder to flip inward, so as to push the fallen coal on both sides of the roadway to the shovel plate mechanism. As the shovel plate mechanism moves forward, the fallen coal passes through the shovel plate mechanism and enters the transportation mechanism for external transportation; ② When the width of the lane changes, first adjust the elongation of the transverse telescopic end slot to match the lane width, and at the same time adjust the elongation of the longitudinal telescopic end slot to ensure that the scraper chain is always in a tensioned state and the transport mechanism is maintained in normal operation; ③. When encountering uphill and downhill working conditions, the pitch angle of the adjustable shovel head is controlled by the adjustable shovel head posture adjustment drive cylinder to make the inclination angle of the adjustable shovel head adapt to the slope; ④. When the digging, supporting and anchoring combined unit needs to turn, the swing angle of the tail-swinging transport trough is adjusted by the tail-swinging driving hydraulic cylinder to adapt to the turning conditions, so as to reduce the turning radius of the digging, supporting and anchoring combined unit; ⑤. When the size of the falling coal blocks exceeds the transportation limit of the transportation mechanism, the crushing drum is controlled to fall, and the coal blocks with oversized sizes are crushed by the crushing drum so that the size of the crushed coal blocks meets the transportation requirements of the transportation mechanism.

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