CN216517844U - Double-arm double-power top cutting drilling machine - Google Patents

Abstract

The utility model discloses a double-arm double-power top-cutting drilling machine which comprises a crawler assembly, a supporting plate, a console, a pump station, a host and the like; the track assembly is two sets of for parallel arrangement, and is two sets of the top of track assembly is provided with the backup pad, the backup pad upside is installed and is controlled platform, pump station and host computer, two host computer, pump station are along the platform symmetry setting of controlling in the backup pad, four angles of backup pad are provided with a support column respectively, it passes through hydraulic system with the pump station respectively to control platform, host computer and support column and is connected. The two groups of main machines are symmetrically arranged on the upper side of the supporting plate and are respectively connected with one pump station, the double power can enable the device to simultaneously carry out two drilling operations, the independent drilling operation of each main machine is guaranteed, and meanwhile, compared with a single-arm drilling machine, the device is compact in structure and can drill engineering holes in various directions and angles.

Description

Double-arm double-power top cutting drilling machine

Technical Field

The utility model relates to the technical field of mining mechanical equipment, in particular to a double-arm double-power top-cutting drilling machine.

Background

In the coal mining process, roof cutting and drilling are frequently constructed, and a roof can be timely and fully collapsed by the roof cutting and drilling or a matched blasting method so as to reduce the pressure of coal bodies or ensure that collapsed rocks are full of a goaf to reduce gas accumulation and ensure the safety of an operation area. When the top cutting operation is carried out, after the pillars outside the necessary operation area are subjected to column pulling, the top plate is required to collapse according to a line required by the setting, on the line, a supporting area is arranged, and a top plate collapsing area is arranged, and the boundary is a top plate collapsing line, namely the top cutting line. The top cutting line is formed by drilling operation on the top plate, which is usually performed by a drill, and the distance between the drill holes is usually 500 mm.

Chinese utility model patent No. CN213654761U discloses an all-hydraulic drill for roof cutting gob entry, including the base and the hydraulic walking assembly that is connected with the base, all be equipped with first pneumatic cylinder on four angles of base bottom, the base top is equipped with the support column, the support column top is equipped with the second pneumatic cylinder, hydraulic walking assembly can drive the base and remove, the support column upper end is connected with step motor, the output shaft cladding of step motor has the gear, support plate between step motor's output shaft and gear is connected to support column upper portion sliding, the slide that matches with step motor's output shaft is seted up to the support plate, the support plate is equipped with the rack with gear engagement, support plate left end and right-hand member rotate respectively and are connected with the carrier bar, the device drives the gear through step motor's output shaft and rotates, thereby enabling the support plate to move left and right continuously at equal intervals.

The utility model discloses a novel colliery is cut top drilling machine in pit, the device includes cylinder and roof, both ends about the inboard bottom face of support are installed to the cylinder, and fasten in roof bottom face middle part behind the inboard top face of support is passed to cylinder top piston rod, the support lock is in bottom plate top face middle part, and the inboard bottom face mid-mounting of support has the rig, the rig roof is provided with the drill bit, the drill bit runs through in the inboard top face middle part of support, strengthening mechanism sets up in the support outside, and the device sets up strengthening mechanism in the support outside, drives T template and latch rotation to appropriate angle through rotating the rotary drum to rotate the bull stick and drive bevel gear group and rotate, and the bevel gear group then drives the screw rod and rotate, makes the elliptical rod carry out horizontal migration under the effect of screw rod.

The existing drilling equipment is mostly a crawler-type single-arm drilling machine or a double-cantilever drilling machine, the drilling equipment is large in size and heavy in whole, workers in a mine are inconvenient to carry, the drilling angle is inconvenient to adjust, power is insufficient, and the requirements of engineering holes in complex environments such as various roadways and geological exploration in a coal mine cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the double-arm double-power topping drilling machine is small in size, compact in structure and capable of completing drilling operation in a complex environment.

The technical scheme of the utility model is as follows:

the utility model provides a two power roof cutting rigs of both arms, includes track assembly, backup pad, host computer, controls platform and pump station, the track assembly becomes parallel arrangement's two sets of, and is two sets of the top of track assembly is provided with the backup pad, the backup pad upside is installed and is controlled platform, pump station and host computer, host computer and pump station all are provided with two, host computer, pump station are along controlling a symmetrical setting in the backup pad, four angles of backup pad are provided with a support column respectively, it passes through hydraulic system with the pump station respectively to control platform, host computer and support column and is connected.

As a further preferable scheme, the main machine comprises an angle oil cylinder, a main arm, a main machine bracket, a process oil cylinder, a turning device, a traversing device, a drilling machine and a propelling sliding plate, wherein one end of the main arm is hinged to the supporting plate, the bottom of the angle oil cylinder is hinged to the supporting plate, a piston rod head of the angle oil cylinder is hinged to one end, far away from the supporting plate, of the main arm, the turning device is arranged at one end, far away from the supporting plate, of the main arm, the main machine bracket is arranged on the turning device, the process oil cylinder is arranged on the main machine bracket, the piston rod head of the process oil cylinder is movably provided with the propelling sliding plate, the propelling sliding plate is in sliding fit with the main machine bracket, the traversing device is arranged on the propelling sliding plate, and the drilling machine is arranged on the traversing device.

As a further preferable scheme, the turning device comprises a connecting bottom plate, a turning oil cylinder and a U-shaped connecting piece, the connecting bottom plate is arranged at one end of the main arm far away from the support plate, the turning oil cylinder is arranged on the connecting bottom plate, the piston end of the turning oil cylinder is provided with the U-shaped connecting piece, and the U-shaped connecting piece is arranged on the host bracket.

As a further preferable scheme, the traversing device comprises a lower jaw plate, an upper jaw plate, a guide rod and a translation oil cylinder, the lower jaw plate is arranged on the upper side of the pushing sliding plate, the upper jaw plate and the lower jaw plate are connected in a sliding mode through the guide rod, the cylinder bottom of the translation oil cylinder is arranged on the bottom side of the upper jaw plate, the piston head of the translation oil cylinder is movably connected with the top side of the lower jaw plate, and the drilling machine is arranged on the top side of the upper jaw plate.

As a further preferable scheme, the supporting column comprises a supporting leg oil cylinder, an adjusting screw rod, supporting legs and a flange plate, the supporting leg oil cylinder is installed on the supporting plate through the flange plate, and the lower end of a piston rod of the supporting leg oil cylinder is connected with the supporting legs through the adjusting screw rod.

As a further preferred scheme, the pump station comprises an oil pump, an overflow valve, a pressure gauge and an oil tank, the host machine is connected with the oil pump through oil pipes, the oil pipes are connected through quick connectors, the oil pump is right-handed, the left end of the pump is a pump inlet, and the right end of the pump is a pump outlet.

As a further preferable scheme, the console is provided with three combined control systems, and the combined control systems include a drilling machine start-stop control system, a drilling machine adjustment control system and a topping drilling machine movement control system.

The utility model has the beneficial effects that:

the two groups of main machines are symmetrically arranged on the upper side of the supporting plate and are respectively connected with one pump station, the double power can enable the device to simultaneously carry out two drilling operations, the independent drilling operation of each main machine is guaranteed, and meanwhile, compared with a single-arm drilling machine, the device is compact in structure and can drill engineering holes in various directions and angles.

Drawings

FIG. 1 is a schematic structural diagram of the apparatus of this embodiment 1;

FIG. 2 is a schematic structural diagram of a host;

FIG. 3 is a schematic structural diagram of a turning device in this embodiment 2;

FIG. 4 is an assembly view of a part of the apparatus in this example 2;

FIG. 5 is a schematic view showing the construction of a traverse device in accordance with this embodiment 2;

fig. 6 is a schematic structural diagram of the supporting column in this embodiment 3.

Labeled as: 1. a track assembly; 1-1, a support plate; 2. a host; 2-1, an angle oil cylinder; 2-2, a main arm; 2-3, a host bracket; 2-4, a process oil cylinder; 3. a console; 4. a support pillar; 4-1, a support oil cylinder; 4-2, adjusting a screw rod; 4-3, support legs; 4-4, a flange plate; 5. a turning device; 5-1, connecting the bottom plate; 5-2, rotating the oil cylinder; 5-3, U-shaped connecting pieces; 6. propelling the sliding plate; 7. a traversing device; 7-1, mandibular plate; 7-2, a maxilla plate; 7-3, a guide rod; 7-4, a translation oil cylinder; 8. a pump station; 9. a drilling machine.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings to which the utility model is attached.

At present, the technical scheme of the utility model has been subjected to pilot plant test, namely a small-scale experiment before large-scale mass production of products; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of products for formal production for industrialization (including intellectual property risk early warning investigation) is now started.

Example 1

As shown in fig. 1-2, a double-arm dual-power topping drilling machine comprises two sets of crawler assemblies 1 arranged in parallel, a supporting plate 1-1 welded on a cross beam of the crawler assemblies 1, a host machine 2 arranged on the upper side of the supporting plate 1-1, a control platform 3, a supporting column 4 and a pump station 8; the control platform 3 is fixedly installed in the middle of the upper side of the supporting plate 1-1, the left side and the right side of the control platform 3 are respectively provided with a group of hosts 2 and pump stations 8, each pump station 8 is connected with one host 2, and four corners of the supporting plate 1-1 are respectively provided with one supporting column 4. The console 3, the main machine 2, the support column 4 and the pump station 8 are connected with each other through a hydraulic system.

Alternatively, the crawler belt can adopt a plunger motor type crawler belt, and the crawler belt walking device has the characteristics of high speed and strong climbing capacity.

As shown in fig. 2 and 4, the main frame 2 comprises an angle cylinder 2-1, a main arm 2-2, a main frame bracket 2-3, a process cylinder 2-4, a turning device 5, a traversing device 7, a drilling machine 9 and a pushing slide plate 6, the lower end of the main arm 2-2 is hinged with a support plate 1-1, the bottom of the angle cylinder 2-1 is hinged with the support plate 1-1, the piston rod head of the angle cylinder 2-1 is hinged with the upper end of the main arm 2-2, the upper end of the main arm 2-2 is fixedly provided with the turning device 5, the upper side of the turning device 5 is fixedly provided with the main frame bracket 2-3 through a screw rod, the main frame bracket 2-3 is fixedly provided with the process cylinder 2-4, the piston rod head of the process cylinder 2-4 is movably provided with the pushing slide plate 6, the propulsion sliding plate 6 is in sliding fit with the host machine bracket 2-3, the traversing device 7 is arranged at the bottom side of the propulsion sliding plate 6, and the drilling machine 9 is arranged at the upper side of the traversing device 7.

Optionally, the ventilation and water-through drill rod produced by the novel process is convenient to replace, small in abrasion and high in strength.

The specific use is as follows:

firstly, the device is transported to a working site, a drilled rock cavern is prepared, and the operations of jacking, bottom lifting or side protection and the like are carried out according to the drilling inclination angle and the length of a used drill rod, so that the stability of a top plate and a bottom plate is ensured, and the crawler chassis is adjusted to be parallel through the lower support column 4.

Then, the position of the device is adjusted according to the position of the drilled hole. According to the requirement of the hole position of the drilling hole, the lower end of the supporting column 4 is padded by hardwood.

After the device is adjusted, no-load operation is carried out, air in the oil cylinder and the oil pipe is exhausted, the handles of the valves are operated repeatedly, and the operation method is fully familiar and mastered.

The drilling machine 9 is connected with the drill rod and slowly advanced so that it naturally drills into the rock, and then the optimal schedule is selected for operating the drilling machine 9. Note that: a suitable water pressure is required for cooling and chip removal of the drill bit. When the drilling machine works, the drilling machine is strictly prohibited from reversing.

When the drilling machine 9 completely drills one drill rod, the drilling machine should stop drilling, and then a second section of drill rod is installed after the machine stops, and the drilling machine continues to work; when the drill rods are dismounted after the drilling is finished, the drill rods are returned to the joint of the two drill rods, one drill rod is dismounted, and then the drilling machine 9 and the rest drill rods are connected and sequentially withdrawn, so that the purpose of drilling is finished.

Example 2

On the basis of the embodiment 1, as shown in fig. 3 and 4, the slewing device 5 comprises a connecting bottom plate 5-1, a slewing cylinder 5-2 and a U-shaped connecting piece 5-3, wherein the connecting bottom plate 5-1 is arranged at the upper end of the main arm 2-2, the slewing cylinder 5-2 is arranged at the upper side of the connecting bottom plate 5-1, the piston end of the slewing cylinder 5-2 is provided with the U-shaped connecting piece 5-3, and the U-shaped connecting piece 5-3 is arranged on the main frame bracket 2-3; the transverse moving device 7 comprises a lower jaw plate 7-1, an upper jaw plate 7-2, a guide rod 7-3 and a translation oil cylinder 7-4, the lower jaw plate 7-1 is arranged on the upper side of the pushing sliding plate 6, the upper jaw plate 7-2 is in sliding connection with the lower jaw plate 7-1 through the guide rod 7-3, the cylinder bottom of the translation oil cylinder 7-4 is arranged on the bottom side of the upper jaw plate 7-2, the piston head of the translation oil cylinder 7-4 is movably connected with the top side of the lower jaw plate 7-1, and the drilling machine 9 is arranged on the top side of the upper jaw plate 7-2.

The angle and position adjustment of the device can be achieved by the cooperation of the turning device 5 and the traversing device 7.

Example 3

As shown in fig. 6, the supporting column 4 comprises a supporting leg oil cylinder 4-1, an adjusting screw 4-2, a supporting leg 4-3 and a flange plate 4-4, the supporting leg oil cylinder 4-1 is mounted on the supporting plate 1-1 through the flange plate 4-4, and the lower end of a piston rod of the supporting leg oil cylinder 4-1 is fixedly connected with the supporting leg 4-3 through the adjusting screw 4-2.

Before the drilling machine is started, the support leg oil cylinder 4-1 is controlled to extend, the support leg 4-3 is made to be in contact with the ground, when the ground is uneven, a solid wood pad is needed to be used for leveling, and after the crawler belt is separated from the ground, the drilling operation can be started.

According to the on-site construction requirement, the support leg 4-3 can be replaced, and the support leg 4-3 is connected with the support leg oil cylinder 4-1 through threads, so that the replacement is convenient.

The pump station 8 provides power for the two hosts 2 through two sets of hydraulic systems, the pump station 8 comprises an oil pump, an overflow valve, a pressure gauge and an oil tank (all parts contained in the pump station 8 are in the prior art and not shown in the figure), the hosts 2 and the pump station 8 are connected through oil pipes, the oil pipes are connected through quick connectors, the oil pump rotates rightwards, the left end of the pump is a connector, and the right end of the pump is a pump-out connector; the console 3 divide and be equipped with three combination control system, combination control system includes that rig 9 opens and stops control system, rig 9 adjustment control system and cut top rig movement control system.

After the high-pressure oil enters the console 3, the device is controlled by three independent control systems (not shown in the figure), and each control system can be operated independently. In order to prevent the system from overloading, a safety overflow valve is arranged on the oil tank and is monitored by a pressure gauge, and the pressure of the system is a high-pressure system and is adjusted before leaving a factory.

The utility model is suitable for underground roof cutting pressure relief of a coal mine, gas drainage drilling holes or holes for surface engineering, wherein the diameter of the holes is nearly horizontal drilling holes and vertical surface engineering holes. The drilling depth is 200 m, the maximum aging is 0.8 m/min, and the diameter of the opening is 50-75 mm.

In the specific implementation, the following matters should be noted:

1. the utility model takes hydraulic pressure as power, and when in use, the working pressure is not more than 20 MPa; when the machine is stopped, the hydraulic valve is reliably closed to prevent the slewing mechanism from being automatically opened, and particularly, the casualty accident caused by the automatic extension of the hydraulic propelling mechanism is strictly prevented.

2. The hydraulic hose connected with the utility model is required to meet the regulation of the coal industry standard, and a hydraulic hose with the standard certificate of safety marks of mining products is used. The hydraulic hose and the utility model have firm and reliable connection, and can prevent casualty accidents caused by sudden loosening of the joint or sudden bursting of the hose.

3. The noise sound pressure level of the hydraulic rotary drilling machine may exceed 90Db (A), and products with relatively low noise are selected as far as possible by paying attention to the harm of the noise to human bodies. In order to meet the regulations of noise protection in the coal safety regulations, the number of simultaneous working stations and the starting time of the hydraulic drilling machine in a working face are strictly controlled when the hydraulic rotary drilling machine is used.

4. When the utility model is moving, people and articles on two sides can be noticed, and collision and scratch can be prevented. When the roof is drilled, the roof and surrounding rock conditions are observed at any time, and operators are prevented from being injured by falling of broken stones, rib spalling and the like on the roof locally and suddenly.

5. The utility model has larger rotary torque, the counter torque needs to be borne by the supporting column 4, and the operator needs to firmly support the supporting column 4 on a supporting point, concentrate on the work and prevent personal accidents except that the member of the supporting column 4 hits people and the like when the torque of the drilling machine is suddenly increased. In the drilling process, the drill rod is strictly prevented from being held by hands, and accidents such as the drill rod hurting arms are prevented at any time.

6. In the process of drilling by using the utility model, attention is paid to proper propelling force, the drill rod is strictly forbidden to work in a bending state, and the situation that the drill rod is suddenly broken or improperly replaced to cause the drill rod to be separated from the drill hole to injure operators is prevented.

7. The explosion-proof motor and the explosion-proof button of the matched pump station meet the regulations of the coal industry standard, and have the certification document for the standard use of the safety mark of the mine product, so that the matched components of other enterprises cannot be replaced and used at will.

8. When the working position of the hydraulic component is adjusted, the hydraulic valve is slowly opened, closed and adjusted, the hydraulic component is strictly prohibited to be suddenly started, and the hydraulic component is prevented from scratching an operator when suddenly rising and injuring or clamping the operator when suddenly falling.

9. The working medium of the hydraulic system adopts mineral oil, and the temperature of the working oil is not more than 65 ℃. In order to prevent the fire caused by using mineral oil, the hydraulic system is strictly forbidden to work in a leakage state; mineral oil leaking from downhole workplaces should be disposed of or buried in a timely manner. The utility model and the auxiliary hydraulic pump station adopt mineral oil medium and are not used in the goaf and other places.

10. The working pressure of the hydraulic system is up to 20MPa, and in order to prevent accidents of injuring people, when any hydraulic part is dismounted, the hydraulic part is dismounted after the oil pump is stopped and the hydraulic part is relieved.

11. When the device is operated or moved by more than 2 persons, the mutual coordination is required to strictly prevent the injury of the persons caused by improper operation.

12. The working pressure of the wet powder discharge water is not less than 1.2 MPa.

On the basis of the advantages and the disadvantages of the same type of drilling machine and the down-the-hole drilling at home and abroad, the utility model is designed and manufactured by integrating the experience of researching the rotary drill carriage for many years and combining the specific conditions of coal conveying channels in the mine tunnel chambers through repeated test modification, has the advantages of reasonable structure, advanced technology, strong technological adaptability, safe and reliable operation and convenient carrying, and is novel equipment for the underground drilling operation of the coal mine in China at present.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a double-arm double dynamical roof cutting rig which characterized in that: including track assembly (1), backup pad (1-1), host computer (2), control platform (3) and pump station (8), track assembly (1) is two sets of for parallel arrangement, two sets of the top of track assembly (1) is provided with backup pad (1-1), platform (3), pump station (8) and host computer (2) are controlled to backup pad (1-1) upside installation, host computer (2) and pump station (8) are provided with two, and the two all controls platform (3) symmetry setting along backup pad (1-1), four angles of backup pad (1-1) are provided with one support column (4) respectively, control platform (3), host computer (2), support column (4) and pump station (8) and pass through hydraulic system and be connected.

2. The dual-arm dual-power topping drilling rig of claim 1, wherein: the main machine (2) comprises an angle oil cylinder (2-1), a main arm (2-2), a main machine bracket (2-3), a process oil cylinder (2-4), a slewing gear (5), a transverse device (7), a drilling machine (9) and a propelling sliding plate (6), one end of the main arm (2-2) is hinged with a supporting plate (1-1), the bottom of the angle oil cylinder (2-1) is hinged with the supporting plate (1-1), a piston rod head of the angle oil cylinder (2-1) is hinged with one end, far away from the supporting plate (1-1), of the main arm (2-2), a slewing gear (5) is arranged at one end, far away from the supporting plate (1-1), of the main arm (2-2), the main machine bracket (2-3) is arranged on the slewing gear (5), and the process oil cylinder (2-4) is arranged on the main machine bracket (2-3), a pushing sliding plate (6) is movably arranged at a piston rod head of the process oil cylinder (2-4), the pushing sliding plate (6) is in sliding fit with the host bracket (2-3), the transverse moving device (7) is arranged on the pushing sliding plate (6), and the drilling machine (9) is arranged on the transverse moving device (7).

3. The dual-arm dual-power topping drilling rig of claim 2, wherein: the slewing device (5) comprises a connecting bottom plate (5-1), a slewing oil cylinder (5-2) and a U-shaped connecting piece (5-3), the connecting bottom plate (5-1) is arranged at one end, far away from the supporting plate (1-1), of the main arm (2-2), the slewing oil cylinder (5-2) is arranged on the upper side of the connecting bottom plate (5-1), the U-shaped connecting piece (5-3) is arranged at the piston end of the slewing oil cylinder (5-2), and the U-shaped connecting piece (5-3) is arranged on the host bracket (2-3).

4. A dual arm power topping drilling rig as claimed in claim 3 wherein: the transverse moving device (7) comprises a lower jaw plate (7-1), an upper jaw plate (7-2), a guide rod (7-3) and a translation oil cylinder (7-4), the lower jaw plate (7-1) is arranged on the upper side of the propulsion sliding plate (6), the upper jaw plate (7-2) is in sliding connection with the lower jaw plate (7-1) through the guide rod (7-3), the bottom of the translation oil cylinder (7-4) is arranged on the bottom side of the upper jaw plate (7-2), the piston head of the translation oil cylinder (7-4) is movably connected with the top side of the lower jaw plate (7-1), and the drilling machine (9) is arranged on the top side of the upper jaw plate (7-2).

5. The dual-arm dual-power topping drilling rig of claim 4, wherein: the supporting column (4) comprises a supporting leg oil cylinder (4-1), an adjusting screw rod (4-2), supporting legs (4-3) and a flange plate (4-4), the supporting leg oil cylinder (4-1) is installed on the supporting plate (1-1) through the flange plate (4-4), and the lower end of a piston rod of the supporting leg oil cylinder (4-1) is connected with the supporting legs (4-3) through the adjusting screw rod (4-2).

6. The dual-arm dual-power topping drilling rig of claim 5, wherein: the pump station (8) comprises an oil pump, an overflow valve, a pressure gauge and an oil tank, the host (2) is connected with the oil pump through an oil pipe, the oil pipe is connected through a quick joint, the oil pump is right-handed, the left end of the pump is a pump inlet, and the right end of the pump is a pump outlet.

7. The dual-arm dual-power topping drilling rig of claim 6, wherein: the control platform (3) is provided with three combined control systems, namely a drilling machine starting and stopping control system, a drilling machine adjusting control system and a top-cutting drilling machine device moving control system.

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