CN218347335U

CN218347335U - Working mechanism for small-size high-power drilling machine

Info

Publication number: CN218347335U
Application number: CN202222745371.5U
Authority: CN
Inventors: 蒋静宇; 陈刚; 黄文涛; 刘益
Original assignee: Jiangsu Zhongmei Mining Equipment Co ltd; China University of Mining and Technology CUMT
Current assignee: Jiangsu Zhongmei Mining Equipment Co ltd; China University of Mining and Technology CUMT
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-20
Anticipated expiration: 2032-10-19

Abstract

The utility model relates to a working mechanism for small-volume high-power drilling machine, which comprises a working mechanism, a harmonic speed reducer, an insertion centralizer and a pumping and discharging pipe pressure transmitter, wherein the working mechanism is used for propelling a drill rod, and a horizontal rotary speed reducer is arranged below the working mechanism; the operating mechanism connects perpendicular slewing reducer, perpendicular slewing reducer connects harmonic speed reducer device, harmonic speed reducer device is including supporting location stand, rack and harmonic reducer ware, support the setting of location stand on the mounting panel, the outer wall that supports the location stand is equipped with a parallel key formula rack, connects the harmonic reducer ware on the parallel key formula rack, perpendicular slewing reducer ware is connected through the backup pad to one side of harmonic reducer ware. The utility model discloses a harmonic reducer drive rack and pinion realizes reciprocating perpendicularly, operates more steadily, has solved shake and unstable problem that high rotational speed rig brought.

Description

Working mechanism for small-size high-power drilling machine

Technical Field

The utility model relates to a colliery rig technical field especially relates to a work mechanism for big power drilling machine of little volume.

Background

With the development of economy, development and utilization of hard coal seams tend to be excessive, and the development and utilization are difficult in the aspects of increasingly reducing hard coal seams, increasing mining depths and the like. China has more soft coal seams, which account for about 42% of the total coal yield, so the development and utilization of coal resources gradually turn to soft coal seams. In production practice, the hard coal bed has a complete structure and low coal bed gas content, so that the footage speed is high and the pore-forming rate is high when the coal bed gas extraction drill hole is constructed. Therefore, when a hard coal seam drilling machine is designed, the high torque and low rotating speed are mainly used; because the hard coal bed is relatively hard and has a complete structure, the larger torque can not only meet the requirements of hole bottom crushing, but also quickly form holes, and the requirement on the rotating speed is not very high. However, the current industry situation develops towards the direction of the soft coal seam, a drilling machine adopting the design concept of 'large torque and low rotating speed' cannot be well suitable for the construction of gas extraction drilled holes of the local coal seam of the soft coal seam, and 'high rotating speed and high power' is more suitable for the construction of gas extraction drilled holes of the local coal seam of the soft coal seam.

In addition, in the process of mine roadway tunneling operation, the traditional anchor rod drill carriage is large in size, large in overall appearance and wide in machine body width, inflexible to operate in a narrow mine roadway and poor in adaptability, and is difficult to perform operation alternately with a tunneling machine in a wrong way, the stability and flexibility of the anchor rod drill carriage are greatly reduced in the processes of directional drilling, construction movement and swinging, and the construction operation time is prolonged.

There is therefore a need for a working mechanism for a small volume high power drilling rig.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned not enough, provide a work mechanism for small-size high-power rig, be applicable to constrictive construction space's high-efficient operation.

The purpose of the utility model is realized like this:

a working mechanism for a small-size high-power drilling machine comprises a working mechanism, a harmonic speed reducer, an insertion centralizer and a pumping pipe pressure transmitter, wherein the working mechanism is used for propelling a drill rod, and a horizontal rotary speed reducer is arranged below the working mechanism; the working mechanism comprises a sliding frame assembly, a sliding guide rod, a propulsion oil cylinder and a power head, wherein the propulsion oil cylinder and a compensation oil cylinder are arranged on the sliding frame assembly in parallel, the propulsion oil cylinder is connected with the sliding guide rod, and the compensation oil cylinder is connected with a compensation slide rail; the sliding guide rod is provided with a power head, the power head clamps a drill rod through a connector, the sliding frame assembly is further provided with an inserting device and a drainage pipe pressure transmitter, and the inserting device, the drainage pipe pressure transmitter and the power head are on the same horizontal line;

the compensation slide rail is connected with a vertical rotary speed reducer, and the vertical rotary speed reducer is connected with a harmonic speed reducer; the harmonic speed reducer device is including supporting location stand, rack and harmonic speed reducer ware, support the setting of location stand on the mounting panel, the outer wall that supports the location stand is equipped with a parallel key formula rack, connects the harmonic speed reducer ware on the parallel key formula rack, perpendicular rotary speed reducer ware is connected through the backup pad to one side of harmonic speed reducer ware, horizontal rotary speed reducer ware is connected to the below of harmonic speed reducer ware.

Preferably, insert the centralizer and include the casing, the both ends of casing are equipped with the axle sleeve respectively, fix on the balladeur train assembly through the connecting piece, the top surface of casing is equipped with the clamp plate, and the top of clamp plate is equipped with the plug bush, be equipped with the picture peg that can take out and insert the discrepancy in the plug bush, the top of picture peg is through the round pin hub connection connecting rod, plug hydro-cylinder is connected to the connecting rod, plug hydro-cylinder sets up on the clamp plate through the round pin axle.

Preferably, the bottom end of the insert plate is provided with a semicircular notch.

Preferably, the suction pipe pressure transmitter comprises a left shell and a right shell, the bottom ends of the left shell and the right shell are hinged on the bottom plate, the front ends of the left shell and the right shell are respectively provided with a front support frame, and the front support frames are connected with the carriage assembly; the left side is equipped with a action wheel and a follow driving wheel in the casing, action wheel and a follow driving wheel pass through drive chain and connect, hydraulic motor is connected to the action wheel, be equipped with two in the casing of the right side and follow the driving wheel.

Preferably, the front ends and the bottom ends of the left shell and the right shell are respectively provided with a tension spring, and the expansion angle can be adjusted to be suitable for drill rods with different sizes.

Compared with the prior art, the beneficial effects of the utility model are that:

the working mechanism of the utility model has small volume, light weight, compact structure, simple operation and convenient maintenance; the drilling machine is adaptable to a narrow construction space, so that construction operation can be completed quickly, and the operation efficiency of the drilling machine in the narrow space is greatly improved. The utility model drives the drill rod to reach high rotation speed through the high-speed power head, the highest drilling speed is 660rpm, and the maximum torque can reach 1300N.m, thereby overcoming the problems of low hole forming rate and low drilling machine efficiency in the drilling process of soft and prominent coal seams; on the other hand, the unstable problem that the high rotational speed of the face brought, the utility model discloses a harmonic reducer drive gear rack realizes reciprocating perpendicularly, and is more safe and reliable, moves more steadily, has solved shake and unstable problem that high rotational speed rig brought.

Drawings

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

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic structural diagram of the harmonic speed reducer of the present invention.

Fig. 5 is a plan view of the harmonic reduction gear of the present invention.

Fig. 6 is a schematic structural view of the insertion holder of the present invention.

Fig. 7 is a schematic view of the operation principle of the insertion device of the present invention.

Fig. 8 is a schematic structural view of the draft tube pressure transmitter of the present invention.

Fig. 9 is a front view of the draft tube pressure transmitter of the present invention.

Figure 10 is a cross-sectional view of a draft tube pressure transmitter of the present invention.

Wherein:

the device comprises a working mechanism 1, a sliding frame assembly 1.1, a sliding guide rod 1.2, a propulsion oil cylinder 1.3, a power head 1.4, a harmonic speed reducer 2, a supporting and positioning upright post 2.1, a rack 2.2, a harmonic speed reducer 2.3, a horizontal rotary speed reducer 3.1, a vertical rotary speed reducer 3.2, a support inserting device 4, a shell 4.1, a pressing plate 4.2, a plug sleeve 4.3, a plug board 4.4, a connecting rod 4.5, a plug oil cylinder 4.6, a suction and discharge pipe pressure transmitter 5, a left shell 5.1, a right shell 5.2, a driving wheel 5.3, a transmission chain 5.4, a hydraulic motor 5.5, a driven wheel 5.6, a tension spring 5.7, a front support frame 5.8 and a bottom plate 5.9.

Detailed Description

For better understanding of the technical solution of the present invention, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present invention, but only the embodiments of the present invention. It should be noted that the description of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.

Example 1:

referring to fig. 1-10, fig. 1 depicts a structural schematic diagram of a working mechanism for a small-volume high-power drilling machine. As shown in the figure, the utility model discloses a working mechanism for high-power rig of small size, it includes working mechanism 1, harmonic decelerator 2, inserts centralizer 4 and take out and put pipe pressure transmitter 5, working mechanism 1 is used for advancing the drilling rod, and the below of working mechanism 1 is equipped with horizontal rotary reducer 3.1.

The working mechanism 1 comprises a sliding frame assembly 1.1, a sliding guide rod 1.2, a propulsion oil cylinder 1.3 and a power head 1.4, wherein the propulsion oil cylinder 1.3 and a compensation oil cylinder are arranged on the sliding frame assembly 1.1 in parallel, the propulsion oil cylinder 1.3 is connected with the sliding guide rod 1.2, and the compensation oil cylinder is connected with a compensation slide rail; the outer wall of the propulsion oil cylinder 1.3 is provided with a chain wheel chain, and the chain is connected with a compensation oil cylinder; the sliding guide rod 1.2 is provided with a power head 1.4, the power head 1.4 clamps a drill rod through a connector, the sliding frame assembly 1.1 is further provided with an inserting device 4 and a drainage pipe pressure transmitter 5, and the inserting device 4, the drainage pipe pressure transmitter 5 and the power head 1.4 are on the same horizontal line.

The power head 1.4 adopts a high-speed power head, the highest drilling speed is 660rpm, and the maximum torque can reach 1300N.m.

The compensation slide rail is connected with a vertical rotary speed reducer 3.2, and the vertical rotary speed reducer 3.2 is connected with a harmonic speed reduction device 2.

The stroke multiplication mechanism combined by the propulsion oil cylinder 1.3 and the chain enables the power assembly to move back and forth quickly so as to facilitate the loading and unloading of the drill rod to realize the drilling and retreating of the drill rod, and the compensation oil cylinder plays a compensation role when drilling holes at the same horizontal position or vertical position.

Harmonic speed reducer device 2 is including supporting location stand 2.1, rack 2.2 and harmonic reducer ware 2.3, support location stand 2.1 and set up on mounting panel 1.1, the outer wall that supports location stand 2.1 is equipped with a parallel key formula rack 2.2, connects harmonic reducer ware 2.3 on the parallel key formula rack 2.2, perpendicular gyration reduction gear ware 3.2 is connected through the backup pad to one side of harmonic reducer ware 2.3, horizontal gyration reduction gear ware 3.1 is connected to harmonic reducer ware 2.3's below.

Insert centralizer 4 and include casing 4.1, casing 4.1's both ends are equipped with the axle sleeve respectively, fix on balladeur train assembly 1.1 through the connecting piece, casing 4.1's top surface is equipped with clamp plate 4.2, and clamp plate 4.2 top is equipped with plug bush 4.3, plug bush 4.3 is the cylinder size, and is fixed through hexagon socket flat end holding screw, be equipped with the picture peg 4.4 that can take out and insert the discrepancy in the plug bush 4.3, the bottom of picture peg 4.4 sets up a semicircular notch, and round pin hub connection connecting rod 4.5 is passed through on the top, plug hydro-cylinder 4.6 is connected to connecting rod 4.5, plug hydro-cylinder 4.6 sets up on clamp plate 4.2 through the round pin axle.

The suction pipe pressure transmitter 5 comprises a left shell 5.1 and a right shell 5.2, the bottom ends of the left shell 5.1 and the right shell 5.2 are hinged on a bottom plate 5.9, the front ends are respectively provided with a front support frame 5.8, and the front support frames 5.8 are fixed through a shaft sleeve inserted into the insertion support device 4; a driving wheel 5.3 and a driven wheel 5.6 are arranged in the left shell 5.1, the output shafts of the driving wheel 5.3 and the driven wheel 5.6 are connected through a transmission chain 5.4, the driving wheel 5.3 is connected with a hydraulic motor 5.5, the driving wheel 5.3 is driven by the hydraulic motor 5.5 so as to drive the driven wheel 5.6 to transmit, two driven wheels 5.6 are arranged in the right shell 5.2 and are used for rolling transmission, when a drill rod passes through, the driving wheel 5.3 on the left side drives the sleeve to advance, and the driven wheel on the right side is driven by transmission force to roll, so that friction is reduced;

the front end and the bottom end of the left shell 5.1 and the right shell 5.2 are respectively provided with a tension spring 5.7, and the opening angle can be adjusted to be suitable for drill rods with different sizes.

The working principle is as follows:

the lower part of the harmonic reducer is additionally provided with the rotary reducer to realize horizontal all-directional rotation, so that the rotary reducer is suitable for multi-directional exploration drilling operation, and is matched with the vertical rotary reducer to basically realize all-directional drilling.

The harmonic reducer is used for driving a gear rack to vertically move up and down when the hydraulic oil cylinder is lifted and lowered, the original hydraulic self-locking is changed into mechanical self-locking of the harmonic reducer, the hydraulic oil cylinder is safer and more reliable, and the oil pipe can still be fixed in position when leaking; the hydraulic cylinder has certain vibration due to the compressibility of hydraulic oil, and the movement of the gear rack up and down is more stable; the range of the oil cylinder is limited by the stroke of the oil cylinder, and the range of the rack of the harmonic reducer can be increased and decreased at will without limiting the stroke.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All technical solutions formed by adopting equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. A kind of operating mechanism used for high-power rig of the small volume, characterized by that: the drilling machine comprises a working mechanism (1), a harmonic speed reducer (2), an insert centralizer (4) and a suction pipe pressure transmitter (5), wherein the working mechanism (1) is used for propelling a drill rod, and a horizontal rotary speed reducer (3.1) is arranged below the working mechanism (1); the working mechanism (1) comprises a sliding frame assembly (1.1), a sliding guide rod (2.2), a propulsion oil cylinder (2.3) and a power head (2.4), wherein the propulsion oil cylinder (2.3) and a compensation oil cylinder are arranged on the sliding frame assembly (1.1) in parallel, the propulsion oil cylinder (2.3) is connected with the sliding guide rod (2.2), and the compensation oil cylinder is connected with a compensation slide rail; a power head (2.4) is arranged on the sliding guide rod (2.2), the power head (2.4) clamps a drill rod through a connector, an inserting support (4) and a drainage pipe pressure transmitter (5) are further arranged on the sliding frame assembly (1.1), and the inserting support (4), the drainage pipe pressure transmitter (5) and the power head (2.4) are in the same horizontal line;

the compensation slide rail is connected with a vertical rotation speed reducer (3.2), and the vertical rotation speed reducer (3.2) is connected with a harmonic speed reducer (2); harmonic speed reducer device (2) is including supporting location stand (2.1), rack (2.2) and harmonic reducer ware (2.3), support location stand (2.1) and set up on mounting panel (1.1), the outer wall that supports location stand (2.1) is equipped with a parallel key formula rack (2.2), connects harmonic reducer ware (2.3) on rack (2.2), perpendicular gyration reduction ware (3.2) is connected through the backup pad to one side of harmonic reducer ware (2.3), horizontal gyration reduction ware (3.1) is connected to the below of harmonic reducer ware (2.3).

2. The work mechanism for a small-volume high-power drilling machine according to claim 1, characterized in that: insert centralizer (4) including casing (4.1), the both ends of casing (4.1) are equipped with respectively and are equipped with the axle sleeve, fix on balladeur train assembly (1.1) through the connecting piece, the top surface of casing (4.1) is equipped with clamp plate (4.2), and clamp plate (4.2) top is equipped with plug bush (4.3), be equipped with picture peg (4.4) that can take out and insert the discrepancy in plug bush (4.3), round pin hub connection connecting rod (4.5) are passed through on the top of picture peg (4.4), plug hydro-cylinder (4.6) are connected in connecting rod (4.5), plug hydro-cylinder (4.6) set up on clamp plate (4.2) through the round pin axle.

3. The working mechanism for a small-volume high-power drilling machine according to claim 2, characterized in that: the bottom end of the inserting plate (4.4) is provided with a semicircular notch.

4. The work mechanism for a small-volume high-power drilling machine according to claim 1, characterized in that: the suction pipe pressure transmitter (5) comprises a left shell (5.1) and a right shell (5.2), the bottom ends of the left shell (5.1) and the right shell (5.2) are hinged to a bottom plate (5.9), the front ends are respectively provided with a front support frame (5.8), and the front support frames (5.8) are connected with a sliding frame assembly (1.1); be equipped with one action wheel (5.3) and one in left side casing (5.1) and follow driving wheel (5.6), action wheel (5.3) and one are connected through drive chain (5.4) from driving wheel (5.6), hydraulic motor (5.5) are connected in action wheel (5.3), be equipped with two in right side casing (5.2) and follow driving wheel (5.6).

5. The working mechanism for a small-volume high-power drilling machine according to claim 4, characterized in that: the front ends and the bottom ends of the left shell (5.1) and the right shell (5.2) are respectively provided with a tension spring (5.7), and the opening angle can be adjusted to be suitable for drill rods with different sizes.