CN220226733U

CN220226733U - Automatic transfer platform of drilling machine

Info

Publication number: CN220226733U
Application number: CN202321699651.5U
Authority: CN
Inventors: 谭桠杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-22
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to underground equipment of a coal mine, in particular to an automatic transfer platform of a drilling machine; the crawler belt type vehicle comprises a base, wherein crawler belts are arranged on the left side and the right side of the lower part of the base, and a traveling motor for driving the crawler belts to rotate is arranged below the base; the top of the base is fixed with a fixed platform, the upper part of the fixed platform is provided with a rotary mechanism, and the top of the fixed platform is rotationally connected with a telescopic rotary platform through the rotary mechanism; the telescopic rotary platform comprises a groove-shaped slideway internally provided with two horizontally arranged telescopic cylinders; the telescopic end of the telescopic rotary platform is also provided with a vertically arranged supporting oil cylinder, the top of the telescopic rotary platform is provided with a drilling machine platform, and the drilling machine platform is provided with a drilling machine; the automatic transfer platform for the drilling machine not only ensures normal tunneling of a tunneling roadway, but also can enable the drilling machine to drill holes normally, and after the drilling is finished, the telescopic rotary platform can realize rotary recovery, so that the operation is simple, and the tunneling working efficiency is improved.

Description

Automatic transfer platform of drilling machine

Technical Field

The utility model relates to equipment for a coal mine underground gas drainage drilling machine, in particular to an automatic drilling machine transferring platform.

Background

The underground coal mine is provided with gas, the gas is inflammable and explosive, when the gas is released and accumulated to a certain concentration, the underground coal mine is normally ventilated, the oxygen concentration is generally above 19%, once the gas explosion is likely to occur due to open fire, and serious damage and loss are caused to underground operators and equipment, so that the gas accident is a main proportion of underground coal mine heavy and extra-large accidents, the underground coal mine safety production is ensured to be carried out normally, the life safety of the operators is ensured, the national security monitoring departments set a series of regulations and regulations about the gas extraction in advance to ensure that the gas can be extracted in advance, the gas emission is relatively large during coal mining, the gas emission is enough to be exhausted through ventilation, the threat of the gas accident is thoroughly eliminated on the working face, the mining operators can work under the condition of no serious hidden danger and dangerous source, and the safety of the operators and underground equipment is furthest protected.

The gas is extracted in advance, extraction holes are drilled in advance in the extraction planning range, corresponding pipelines are matched, a vacuum pump station is used for pre-extraction, the aim of reducing the gas content of a coal bed is fulfilled, and the operation is that deep holes are drilled in the coal wall position according to the designed holes by a special gas extraction drilling machine. During drilling, the drilling machine is required to be parked in the roadway for transverse arrangement, and the water injection pump, the electric switch, auxiliary materials and the like are added, so that the whole equipment occupies a large space and area, the rail transportation of the roadway and the normal operation of the belt conveyor are directly influenced, the working face is completely stopped when the drilling machine is driven and the drilling site is transferred, and the roadway footage and the mining propulsion are seriously influenced.

Disclosure of Invention

The utility model provides an automatic transfer platform of a drilling machine, which aims to solve the technical problems that the whole set of equipment of the existing gas drainage drilling machine occupies a large space and area and influences the track transportation of a roadway and the normal operation of a belt conveyor. The automatic transfer platform of the drilling machine is a telescopic drilling machine platform which has small occupied area and can be arranged in parallel with the central line of a roadway, can be rotated to be perpendicular to the central line of the roadway and is used for punching a coal wall, and when the drilling machine works, a pedestrian passageway of 0.8m can be reserved on one side of the drilling machine, so that the automatic transfer platform meets the requirements of safety regulations.

In order to solve the technical problems, the utility model adopts the following technical scheme: the automatic transfer platform of the drilling machine comprises a base, wherein the left side and the right side of the lower part of the base are provided with tracks, and a walking motor for driving the tracks to rotate is arranged below the base; the top of the base is fixed with a fixed platform, the upper part of the fixed platform is provided with a rotary mechanism, the top of the fixed platform is rotationally connected with a telescopic rotary platform through the rotary mechanism, the positions of the top of the fixed platform corresponding to the bottom of the telescopic rotary platform are provided with bolt holes, and fastening bolts are arranged at the bolt holes; the telescopic rotary platform comprises a groove-shaped slideway internally provided with two horizontally arranged telescopic cylinders, and telescopic ends of the two telescopic cylinders are oppositely arranged; the telescopic end of the telescopic rotary platform is further provided with a vertically arranged supporting oil cylinder, the top of the telescopic rotary platform is provided with a drilling machine platform, and the drilling machine platform is provided with a drilling machine.

Working principle: the drilling machine is fixed on the platform through the telescopic rotary platform, the telescopic rotary platform rotates 90 degrees clockwise through the rotary mechanism, the drill rod is turned to the coal wall, the drill rod is tightly propped up through the front supporting cylinder and the rear supporting cylinder, the drilling machine and the platform are fixed on the bottom plate and the rear coal side, so that drilling can be met, at the moment, a pedestrian passageway can meet safe passing of operators and access of working face operators, the drilling machine is erected on the belt conveyor on one side of the drilling machine, a coal passing space with a certain height is reserved, normal coal transportation of the belt conveyor is not influenced, so that drilling holes of the drilling machine and coal transportation of the tunneling working face are not interfered with each other, normal footage of a tunneling roadway is not influenced, when drilling of a drilling field is finished, the front supporting cylinder and the rear supporting cylinder are retracted, fastening bolts of the telescopic rotary platform and the fixing platform are loosened, the rotary platform rotates 90 degrees anticlockwise through the rotary mechanism, the drilling machine can be placed at the position parallel to the center line of the base and the roadway, and the drilling machine is moved through the hydraulic motor to the next drilling field.

Compared with the prior art, the utility model has the following beneficial effects:

the automatic transfer platform of the drilling machine is a telescopic drilling machine platform which has small occupied area and can be arranged in parallel with the central line of a roadway, can be rotated to be perpendicular to the center of the roadway and punch holes on a coal wall, and can leave a pedestrian passageway of 0.8m on one side of the drilling machine when the drilling machine works, the pedestrian passageway can meet the safety passing of operators and the entering and exiting of operators on a working surface, and the normal coal transportation of the belt conveyor is not influenced by the fact that the drilling machine is erected on the belt conveyor on one side of the drilling machine, so that the coal transportation of the drilling machine and the coal transportation of the driving working surface are not interfered with each other, the normal footage of the driving roadway is not influenced, the normal driving of the driving roadway is ensured, the drilling machine can be normally drilled, the telescopic rotation platform can realize rotary shrinkage after the drilling is finished, the operation is simple, and the driving working efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of the working state of the automatic transfer platform of the drilling machine.

Fig. 2 is a schematic diagram of the walking state of the automatic transfer platform of the drilling machine.

Fig. 3 is a schematic diagram of the telescopic function of the automatic transfer platform walking state of the drilling machine.

Fig. 4 is a schematic view of a swing mechanism.

Fig. 5 is a schematic diagram of a hydraulic control system of the automatic transfer platform of the drilling machine.

The figures are labeled as follows:

the hydraulic control system comprises the following components of a 1-crawler, a 2-traveling motor, a 3-base, a 4-rotating mechanism, a 5-drilling machine, a 6-drilling rod, a 7-coal wall, a 8-drilling machine platform, a 9-telescopic rotating platform, a 10-fixed platform, a 11-belt conveyor, a 12-supporting cylinder, a 13-base plate, a 14-telescopic cylinder, a 15-rear top cylinder, a 16-cylinder base, a 17-clamping seat, a 18-transition disc, a 19-groove-shaped slideway, a 20-bearing, a 21-central shaft, a 22-bearing seat, a 23-gland, a 24-operating valve, a 25-hydraulic lock, a 26-oil pipe, a 27-general control valve, a 28-pressure gauge, a 29-overflow valve, a 30-motor operating valve, a 31-throttle valve, a 32-oil tank, a 33-oil return pipe, a 34-one-way valve and a 35-balancing weight.

Description of the embodiments

The utility model is further illustrated below with reference to specific examples.

Examples

1-3, an automatic transfer platform of a drilling machine comprises a base 3, wherein the left side and the right side of the lower part of the base 3 are provided with tracks 1, and a walking motor 2 for driving the tracks 1 to rotate is arranged below the base 3; the top of the base 3 is fixed with a fixed platform 10, the upper part of the fixed platform 10 is provided with a rotary mechanism 4, the top of the fixed platform 10 is rotationally connected with a telescopic rotary platform 9 through the rotary mechanism 4, bolt holes are formed in positions, corresponding to the bottom of the telescopic rotary platform 9, of the top of the fixed platform 10, and fastening bolts are arranged at the bolt holes; the telescopic rotary platform 9 comprises a groove-shaped slideway 19 arranged in the telescopic rotary platform, two horizontally arranged telescopic cylinders 14 are arranged in the groove-shaped slideway 19, and telescopic ends of the two telescopic cylinders 14 are arranged in opposite directions; the telescopic end of the telescopic rotary platform 9 is also provided with a vertically arranged supporting oil cylinder 12, the top of the telescopic rotary platform 9 is provided with a drilling machine platform 8, and the drilling machine platform 8 is provided with a drilling machine 5.

In fig. 1, the center of the drill rod 6 of the drilling machine is vertically installed relative to the coal wall 7, so that holes are conveniently drilled on the coal wall 7, the telescopic rotary platform 9 at the moment rotates to the direction vertical to the coal wall 7 through the center of the rotary mechanism 4, the telescopic rotary platform 9 is pushed to the dead point in the direction of the coal wall 7 through the push-pull action of the two telescopic cylinders 14, the telescopic rotary platform 9 and the fixed platform 10 are firmly fastened into a whole through two rows of fixing bolts, the front and rear supporting cylinders 12 are propped up, and at the moment, the working machine of the drilling machine is started, so that holes can be drilled on a coal seam.

According to the positions of the components in the figure 1, the belt conveyor 11 is arranged in the neutral gear of the supporting oil cylinder 12 and the fixed platform 10, no interference exists between the drilling holes and the coal conveying of the belt conveyor 7, normal tunneling of a tunneling roadway is ensured, the drilling machine 5 can drill holes normally, and meanwhile, a certain space is reserved between the crawler belt 1 and the left coal wall 7 for people to pass through.

Fig. 2 and 3 are diagrams of the running state of the automatic transfer platform of the drilling machine, when drilling of a drilling site is finished and the drilling machine 5 is required to be transferred, the fixed screws between the fixed platform 10 and the telescopic rotary platform 9 are removed, the rotary platform 10 is pushed backwards to a dead point by the telescopic oil cylinder 14, the front support oil cylinder 12 is retracted, the telescopic rotary platform 9 is rotated by 90 degrees anticlockwise, the center line of the platform is in a relative parallel direction with the center line of the crawler belt 1 and the center line of a roadway, at the moment, the center line of the telescopic rotary platform 9 is overlapped with the center line of the fixed platform 10, the running fixed screw holes are overlapped, the fastening screws at 4 positions are fastened, the hydraulic control valve of the platform is operated, the drilling machine 5 can realize the running of the drilling machine, and simultaneously, the functional actions such as reversing, advancing, turning, in-situ rotating and the like can be easily realized according to the corresponding positions.

Fig. 3 is a schematic diagram of a telescopic state in a walking state, the state shown in the drawing is a schematic diagram of a drilling machine in a walking state of an automatic platform transferring state, when the drilling machine 5 finishes drilling and transfers to a next drilling site, a transition disc 18 and a central shaft 21 are propped up by telescopic movement of a telescopic cylinder 14, an upper telescopic rotary platform can do horizontal linear movement along a horizontal slideway of a central groove 19 under the action of the telescopic cylinder 14, the telescopic rotary platform 9 moves to the rearmost side, and the telescopic rotary platform 9 rotates to 90 degrees in a counterclockwise direction to be parallel to a fixed platform 10, so that the drilling machine can be moved to the next drilling site.

Further, as shown in fig. 4, the revolving mechanism 4 includes a bearing seat 22 installed and embedded in the fixed platform 10 and vertically arranged, bearings 20 are arranged at the upper and lower sides in the bearing seat 22, a central shaft 21 is commonly in interference fit in the upper and lower bearings 20, one end of the upper portion of the central shaft 21 extending out of the upper bearing 20 is a large-diameter end, the diameter of the large-diameter end is larger than that of the central shaft 21 positioned between the upper and lower bearings 20, a transition disc 18 is arranged at the top of the large-diameter end, and the transition disc 18 and the central shaft 21 are integrally formed into an integral structure; the bottom of the bearing seat 22 is provided with a gland 23; the telescopic ends of the two telescopic cylinders 14 are respectively positioned at two sides of the large-diameter end.

When the upper telescopic rotary platform 9 needs to be rotated, the fixing screws are loosened and removed, the manpower rotates 90 degrees in the clockwise direction, at this time, the transition disc 18, the central shaft 21 and the center around the bearing 20 do circular motion, when the upper telescopic rotary platform 9 rotates to a required angle, the telescopic rotary platform 9 and the fixing platform 10 are fastened reliably by the screws, the drilling operation can be carried out, when the drilling of one drilling site is completed and the drilling machine needs to be transferred to the next drilling site, the drilling machine needs to be rotated anticlockwise to a walking state and is fixed as necessary, the walking motor 2 is started, and the drilling machine can walk and move by automatically transferring the platform.

Because the pipeline is arranged at the rear side of the machine in a concentrated way, the pipeline is required to select the correct direction during the rotation operation, the pipeline is required to rotate 90 degrees clockwise in the drilling state, the pipeline is required to rotate 90 degrees counterclockwise opposite to the original direction in the walking state, the telescopic pushing action is not required during the rotation, and the upper telescopic rotary platform 9 is prevented from falling out of the groove-shaped slideway groove 19.

Further, the two sides of the telescopic rotary platform 9 are also provided with rear top oil cylinders 15 for preventing the drilling machine from reversing when drilling.

Further, one telescopic cylinder 14 is fixed to the fixed end of the telescopic rotary platform 9 through a clamping seat 17 and a cylinder seat 16, and the other telescopic cylinder 14 is fixed to the telescopic end of the telescopic rotary platform 9 through the clamping seat 17 and the cylinder seat 16.

Further, one end of the drilling machine platform 8 far away from the supporting oil cylinder 12 is provided with balancing weights 35, the sizes of the balancing weights 35 are 573mm x 235mm x 120mm, the number of the balancing weights 35 is two, and the balancing weights 35 are symmetrically placed on two sides of the platform.

The hydraulic power source is provided by an expansion interface of a drilling machine oil pump, is transmitted to a main control valve of the drilling machine self-moving platform through a pipeline, is then regulated to the system required pressure through an overflow valve 29, the actual use pressure value is indicated by a system pressure gauge 28, when all elements in the system do not work, the pressure oil returns to a main oil tank 32 through a neutral position channel of the main control valve 27, the main control valve 27 belongs to a positioning action valve, when a load passage is connected, any empty element works, the main control valve is self-locked at a working position, the pressure oil keeps the current channel going to the load element, when the system needs to stop acting, the main control valve 27 is beaten to the neutral position, the system returns, at the moment, the main control valve 27 core is stopped at the neutral position, only manually operated can change the working and stopping positions, and note that the main control valve 27 is a one-way liquid inlet valve, a pressure source pipe can only be arranged on an oil inlet pipe provided with the one-way valve 38, and the main control valve cannot work normally even is damaged when the reverse connection.

Working principle: after the hydraulic system of the drilling machine is pressurized, the master control valve 27 is operated, the pressure of the hydraulic part is at a specified value, and at the moment, the valve core of the master control valve 27 is stationary at the working position; when the direction and position of the mechanical component are correct, any one of the control valves 24 is operated, and the oil cylinder or motor correspondingly controlled by the control valve acts in a specified direction; the telescopic cylinder 14 controls the telescopic rotary platform to move forwards and backwards, the action time of the telescopic cylinder 14 is consistent and the direction is opposite, the requirement of telescopic movement of the telescopic rotary platform 9 is met, when the telescopic cylinder moves to a limited position, the cylinder stops acting, after the pressure of an oil way is cut off, the cylinder can only stop and keep the position unchanged until the moment due to the interlocking function of the hydraulic lock 25, so that the static position of the telescopic rotary platform is ensured.

The two valves of the supporting oil cylinder 12 are controlled by operating the operating valves 24 respectively, so that the supporting oil cylinder 12 can be connected to the bottom, the suspended part at the front end of the drilling machine platform is supported, the operation of the belt conveyor under the platform is ensured not to be interfered, the two oil cylinders of the supporting oil cylinder 12 are controlled by the two operating valves 24 respectively, and the height of the oil cylinders extending out of the base is different due to the fact that the two oil cylinders work underground, so that the connection reliability can be ensured by controlling the two oil cylinders respectively.

The operating system and the action function principle of the rear top oil cylinder 15 are the same as those of the supporting oil cylinder 12, two running motors 2 are respectively arranged on the left and right crawler belt driving devices and controlled by the other group of operating valves 30, when the drilling machine is used for drilling normally, the running motors 2 are kept still, and when the running function is used, the running motors 2 are required to rotate to drive the crawler belt to perform actions such as forward, backward, steering, in-situ rotation and the like so as to meet the requirements of the movement and steering of the drilling machine transfer platform.

When the platform advances, the control valve 30 is pushed forward at the same time, the traveling motor 2 is connected with pressure oil at the same time, the traveling motor 2 rotates forward, the platform walks forward, the control valve 30 is pulled backward at the same time, the pressure oil way is reversed, the traveling motor 2 rotates reversely, and the crawler belt is driven to rotate reversely and backwards; if one of the two operating valves 30 is forward and the other is backward, the crawler belt is forward on one side and backward on the other side, so that sharp turning and on-site turning can be realized, if one is forward or backward, and one is in the middle position, slow turning can be realized, and when turning on site, whether personnel, equipment, materials and the like influence the operation of the platform within the turning radius range exist or not is checked, and when interference exists, the position is adjusted in time so as to ensure the turning safety.

The utility model relates to a working principle of an automatic transfer platform of a drilling machine: the drilling machine is fixed on the platform through the telescopic rotary platform 9, the telescopic rotary platform 9 rotates 90 degrees clockwise through the rotary mechanism 4, the drill rod 6 is turned to the coal wall 7, the drilling machine and the platform are fixed on the top plate through the front and rear supporting cylinders 12 in a propping mode, drilling can be met, at the moment, a pedestrian passageway at the tail of the machine can meet the safety passing of operators and the entering and exiting of working face operators, the drilling machine is erected on the belt conveyor 11 on one side of the drilling machine, normal coal transportation of the belt conveyor is not influenced, so that the drilling machine and the coal transportation of the tunneling working face do not interfere with each other, normal footage of a tunneling roadway is not influenced, when the drilling of a drilling field is finished, the front and rear supporting cylinders 12 are retracted, the fastening bolts of the telescopic rotary platform 9 and the fixed platform 10 are loosened, the rotary platform rotates 90 degrees anticlockwise through the rotary mechanism 4, the drilling machine can be placed at the parallel position with the base and the center line of the roadway, at the moment, the drilling machine platform is moved, and the drilling machine is driven by the hydraulic motor to move the crawler to the next drilling field.

Claims

1. The automatic transfer platform for the drilling machine is characterized by comprising a base (3), wherein the left side and the right side of the lower part of the base (3) are provided with tracks (1), and a walking motor (2) for driving the tracks (1) to rotate is arranged below the base (3); the top of the base (3) is fixedly provided with a fixed platform (10), the upper part of the fixed platform (10) is provided with a rotary mechanism (4), the top of the fixed platform (10) is rotationally connected with a telescopic rotary platform (9) through the rotary mechanism (4), the positions of the top of the fixed platform (10) corresponding to the bottom of the telescopic rotary platform (9) are provided with bolt holes, and fastening bolts are arranged at the bolt holes; the telescopic rotary platform (9) comprises a groove-shaped slide way (19) which is internally provided with two horizontally arranged telescopic oil cylinders (14), and telescopic ends of the two telescopic oil cylinders (14) are oppositely arranged; the telescopic end of the telescopic rotary platform (9) is further provided with a vertically arranged supporting oil cylinder (12), the top of the telescopic rotary platform (9) is provided with a drilling machine platform (8), and the drilling machine platform (8) is provided with a drilling machine (5).

2. The automatic drilling machine transferring platform according to claim 1, wherein the slewing mechanism (4) comprises a bearing seat (22) which is arranged vertically and is embedded in the fixed platform (10), bearings (20) are arranged on the upper side and the lower side in the bearing seat (22), a central shaft (21) is arranged in the upper bearing (20) and the lower bearing (20) in an interference fit mode, one end, extending out of the upper bearing (20), of the upper portion of the central shaft (21) is a large-diameter end, the diameter of the large-diameter end is larger than that of the central shaft (21) positioned between the upper bearing and the lower bearing (20), a transition disc (18) is arranged at the top of the large-diameter end, and the transition disc (18) and the central shaft (21) are integrally formed; a gland (23) is arranged at the bottom of the bearing seat (22); the telescopic ends of the two telescopic cylinders (14) are respectively positioned at two sides of the large-diameter end.

3. An automatic transfer platform for a drilling machine according to claim 1, characterized in that the telescopic rotating platform (9) is also provided with rear top cylinders (15) on both sides for preventing backward reversing during the operation of the drilling machine.

4. The automatic transfer platform of a drilling machine according to claim 1, wherein one telescopic cylinder (14) is fixed to a fixed end of the telescopic rotary platform (9) through a clamping seat (17), and the other telescopic cylinder (14) is fixed to a telescopic end of the telescopic rotary platform (9) through the clamping seat (17).

5. An automatic transfer platform for a drilling machine according to claim 1, characterized in that the end of the drilling machine platform (8) remote from the support cylinder (12) is provided with two balancing weights (26).