CN213540283U

CN213540283U - Novel oil cylinder pressurization lifting device for blast hole drilling machine

Info

Publication number: CN213540283U
Application number: CN202022718453.1U
Authority: CN
Inventors: 赵杰; 杨敏
Original assignee: Anbaituo Nanjing Construction Mining Equipment Co ltd
Current assignee: Anbaituo Nanjing Construction Mining Equipment Co ltd; Epiroc Nanjing Construction and Mining Equipment Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-25
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig belongs to the mining machinery field. The utility model discloses a pressurizing and lifting device, which comprises a tower device and an oil cylinder arranged in the tower device, wherein two ends of a piston rod are fixed on the tower device, and a cylinder barrel slides up and down along the piston rod; pulley frames at two ends of the cylinder barrel are connected with the tower device in a sliding manner, guide devices used for limiting the cylinder barrel to rotate transversely are arranged on the pulley frames, and two ends of the power head are respectively connected with an upper steel wire rope and a lower steel wire rope; the upper steel wire rope and the lower steel wire rope respectively bypass the upper driving wheel and the lower driving wheel and are fixed on the tower device, and the power head is driven to move up and down along the tower device through the expansion of the cylinder barrel. The utility model discloses well drive wheel up-and-down motion does not have vertical space restriction, is favorable to increasing the pulley diameter, improves wire rope's life, and guider prevents that the cylinder from taking place longitudinal deviation on the piston rod to overcome drilling process and produce shake and the problem of stability inadequately, improve system stability.

Description

Novel oil cylinder pressurization lifting device for blast hole drilling machine

Technical Field

The utility model belongs to the technical field of mining machinery, more specifically say, relate to a novel hydro-cylinder pressurization promotes device for blast hole rig.

Background

In the prior art, an oil cylinder barrel is usually fixed by an oil cylinder pressurizing and lifting device, hydraulic oil is used for driving an oil cylinder rod to slide, and the oil cylinder driving system is poor in guidance performance and stability and is not suitable for being applied to large-scale mechanical equipment.

As in patent application No.: 2015210415129, filing date: the invention is named as: the roller drill oil cylinder chain pressurizing and lifting device comprises a drill stand, wherein a first spring seat and a synchronizing shaft assembly are arranged at the top of the drill stand, an oil cylinder seat is arranged at the bottom of the drill stand, an oil cylinder and a pulley are mounted on the oil cylinder seat, the oil cylinder is connected with a sliding frame, the sliding frame is provided with an upper pulley and a lower pulley, the drill stand is provided with a second spring seat, one end of a pressurizing chain is fixed on the second spring seat, upwards bypasses the lower pulley and downwards, and upwards is fixed at the lower end of a slewing mechanism through the pulley; the lifting chain bypasses the upper pulley and then bypasses the synchronizing shaft assembly to be fixed at the upper end of the slewing mechanism downwards.

The device adopts the oil cylinder-chain pressurizing and lifting device with independent transmission to lift the pressurizing hydraulic transmission, improves the transmission efficiency and reduces the maintenance and shutdown times. But the chain that the device adopted needs to cooperate gear cycle to rotate, probably can appear the atress inhomogeneous, appears jumping the tooth phenomenon even, is unfavorable for system operation stability, and its balladeur train is fixed on the hydro-cylinder pole moreover, and the hydro-cylinder pole drives the pulley up-and-down motion, and its stability is not good, is worth further improving.

In summary, how to overcome the defects caused by poor stability of the cylinder pressurization lifting device in the prior art is a technical problem to be solved urgently in the prior art.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model provides a novel hydro-cylinder pressurization hoisting device drive wheel, lower drive wheel and two effect double piston rod hydro-cylinders are gone up in the inside setting of pylon device, and the drive wheel up-and-down motion does not have vertical space restriction, is favorable to increasing the pulley diameter, improves wire rope life, is equipped with on the pulley yoke to be used for restricting the horizontal pivoted guider of cylinder, can prevent that cylinder from taking place longitudinal deflection when sliding on the piston rod, overcomes drilling rod drilling process and produces shake and the problem of stability inadequately, improves system stability.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a novel hydro-cylinder pressurization hoisting device for a blast hole drilling machine, which comprises a tower device and a hydro-cylinder arranged in the tower device, wherein the hydro-cylinder comprises a piston rod and a cylinder barrel, two ends of the piston rod are fixed on the tower device, and the cylinder barrel slides up and down along the piston rod; pulley frames for mounting an upper driving wheel and a lower driving wheel are arranged at two ends of the cylinder barrel, the pulley frames are in sliding connection with the tower frame device, a guide device for limiting the cylinder barrel to rotate transversely is arranged on the pulley frames, a power head is arranged between the upper driving wheel and the lower driving wheel, and two ends of the power head are respectively connected with an upper steel wire rope and a lower steel wire rope; the upper steel wire rope and the lower steel wire rope respectively bypass the upper driving wheel and the lower driving wheel and are fixed on the tower device, and the power head is driven to move up and down along the tower device through the expansion of the cylinder barrel.

As a further improvement of the present invention, one end of the guiding device is fixed to the pulley frame, and the other end is mounted to the tower device and slidably connected thereto.

As a further improvement, the upper driving wheel and/or the lower driving wheel are mounted on the pulley frame through the fixing plates arranged on the two sides of the upper driving wheel and/or the lower driving wheel, and the fixing plates are vertically arranged along the sliding direction of the cylinder barrel.

As a further improvement, the guiding device is connected with the pulley yoke through a fixing plate, and is of an integrated or split structure between the guiding device and the fixing plate.

As a further improvement of the present invention, the upper driving wheel and/or the lower driving wheel are disposed inside the tower device, and the diameter thereof is consistent with the width of the tower device.

As a further improvement, the free end of the upper wire rope and the lower wire rope is connected with the power head, and the fixed end of the upper wire rope and the lower wire rope is fixedly connected with the middle part of the tower device.

As a further improvement of the utility model, the upper driving wheel comprises a first upper pulley and a second upper pulley which are arranged on the upper pulley frame side by side, the lower driving wheel comprises a first lower pulley and a second lower pulley which are arranged on the lower pulley frame side by side, and the upper pulley frame, the lower pulley frame and the cylinder are fixedly connected.

As a further improvement, the bottom of the power head is provided with a power output end, and the power output end is used for connecting the drilling device.

As a further improvement of the present invention, the two ends of the piston rod are fixed to the tower device through the tower top fixing portion and the tower bottom fixing portion, respectively.

As a further improvement, the tower top fixing part, the tower bottom fixing part and the tower device are connected by welding.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig, drive wheel on pylon device inside sets up, lower drive wheel and two effect double piston rod hydro-cylinders, drive wheel on through the cylinder drive, lower drive wheel drives the unit head up-and-down motion, go up the drive wheel, lower drive wheel is as the movable pulley up-and-down motion, there is not fore-and-aft space restriction, the pulley diameter has been increased, thereby improve wire rope's life, and save pulley quantity, simultaneously through simplifying wire rope's winding mode, wire rope's length has been shortened, the security and the stability of complete machine have been ensured, the system cost is reduced.

(2) The utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig, the piston rod both ends of hydro-cylinder are fixed on the pylon device to guarantee the stability in the hydro-cylinder work, the cylinder reciprocating motion of hydro-cylinder drives movable pulley group along piston rod length direction reciprocating motion, for the hydro-cylinder of nonoculture, the utility model discloses a hydro-cylinder pressurization hoisting device structural design is simple, realizes easily that depression bar stability obtains improving.

(3) The utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig is equipped with on pulley yoke and pylon device sliding connection and this pulley yoke and is used for restricting the horizontal pivoted guider of cylinder, and guider can slide to the cylinder and play the guide effect, prevents that the cylinder from taking place longitudinal deviation when sliding on the piston rod, leads to the unit head to rotate on the horizontal direction to overcome drilling rod drilling process and produce the shake and the problem of stability inadequately, improved system stability.

(4) The utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig, cylinder length set up to pylon length half, go up the wire rope and be connected with the unit head with wire rope's down free end, go up wire rope and wire rope's stiff end and pylon device's middle part fixed connection down, this kind of mode of setting can furthest shorten wire rope length, reduce system cost.

(5) The utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig, the both ends of piston rod are fixed on the pylon device through top of the tower fixed part and tower bottom fixed part respectively, adopt the welding mode with terminal top of the tower fixed part of piston rod, tower bottom fixed part to install on the pylon device can be more firm, are favorable to the steady output of power.

Drawings

Fig. 1 is a schematic structural view of the novel oil cylinder pressurizing and lifting device of the present invention;

fig. 2 is a schematic view of an assembly structure of an upper driving wheel set and a guiding device in the present invention;

FIG. 3 is a schematic view of an assembly structure of the lower and middle driving wheel sets and the guiding device of the present invention;

fig. 4 is a schematic view of the working principle of the novel oil cylinder pressurizing and lifting device of the present invention;

fig. 5 is a schematic structural view of the novel cylinder pressurization lifting device of the present invention assembled on a tower device;

fig. 6 is the working state diagram of the novel oil cylinder pressurizing and lifting device of the present invention.

The reference numerals in the schematic drawings illustrate:

100. an oil cylinder; 110. a piston rod; 111. a cylinder barrel; 112. a tower top fixing part; 113. a tower bottom fixing part;

200. a power head; 210. feeding a steel wire rope; 211. a first free end; 212. a first fixed end; 220. a steel wire rope is arranged; 221. a second free end; 222. a second fixed end; 230. a power output end;

300. an upper drive wheel; 310. a first upper pulley; 311. a second upper pulley; 312. an upper pulley frame; 313. an upper guide device; 314. an upper fixing plate;

400. a lower drive wheel; 410. a first lower pulley; 411. a second lower pulley; 412. a lower pulley carrier; 413. a lower guide; 414. a lower fixing plate;

500. a tower arrangement.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

With reference to fig. 1, 4 and 5, the novel oil cylinder pressurization lifting device for a blasthole drilling machine of the present embodiment includes a tower device 500 and an oil cylinder 100 disposed in the tower device 500, the oil cylinder 100 includes a piston rod 110 and a cylinder barrel 111, two ends of the piston rod 110 are fixed on the tower device 500, and the cylinder barrel 111 slides up and down along the piston rod 110; pulley frames for mounting the upper driving wheel 300 and the lower driving wheel 400 are arranged at two ends of the cylinder barrel 111, a power head 200 is arranged between the upper driving wheel 300 and the lower driving wheel 400, and two ends of the power head 200 are respectively connected with an upper steel wire rope 210 and a lower steel wire rope 220; the upper wire rope 210 and the lower wire rope 220 are wound around the upper driving wheel 300 and the lower driving wheel 400 respectively and fixed on the tower device 500, and the power head 200 is driven to move up and down along the tower device 500 by the expansion and contraction of the cylinder 111.

In the feeding system applied to the tower device 500 in the prior art, a steel wire rope needs to surround the whole tower, a fixed pulley is designed at the top of the tower or the bottom of the tower, the longitudinal space at the bottom of the tower is limited, only two pulleys can be arranged at the bottom of the tower close to the lateral edges of two sides respectively, the tower device 500 is higher and usually reaches the height of tens of meters, the service life of the steel wire rope is shortened by the aid of the power transmission mode of the pulleys and the steel wire rope, and safety of the whole machine is reduced.

And the utility model discloses an hydro-cylinder pressurization hoisting device, hydro-cylinder 100 sets up inside tower device 500, and drive wheel 300 and lower drive wheel 400 are installed through the pulley yoke in the 111 both ends of hydro-cylinder 100, piston rod 110 can be followed to cylinder 111 under the driving action of hydraulic oil and slided from top to bottom, drive wheel 300 on driving through cylinder 111, lower drive wheel 400 drives unit head 200 up-and-down motion, go up drive wheel 300, lower drive wheel 400 is as the movable pulley up-and-down motion, no fore-and-aft space restriction, so can only set up a big pulley that satisfies horizontal space restriction.

As an embodiment, the utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig, go up drive wheel 300 and/or lower drive wheel 400 and set up inside pylon device 500, and its diameter is unanimous with pylon device 500 width, and the pulley diameter is great than ordinary pulley relatively, therefore has increased wire rope's bend radius, has improved wire rope's life.

Therefore, the novel oil cylinder pressurization lifting device increases the diameter of the pulley, saves the number of the pulleys, and shortens the length of the steel wire rope by simplifying the winding mode of the steel wire rope in the prior art, thereby prolonging the service life of the steel wire rope, reducing the system cost and ensuring the safety and the stability of the whole machine; and for chain cooperation gear drive, wire rope pliability is better, and wire rope can absorb the impact force that part unit head 200 during operation produced, avoids producing more vibrations and noise in the transmission process, is favorable to promoting the shock resistance and the security of complete machine.

To sum up, the utility model abandons the traditional transmission mode of matching the fixed pulley and the movable pulley, the upper driving wheel 300 and the lower driving wheel 400 are arranged inside the tower device 500, the upper driving wheel 300 and the lower driving wheel 400 are simultaneously used as the movable pulley and are matched with the double-acting double-piston-rod oil cylinder, specifically, two ends of the piston rod 110 of the oil cylinder 100 are fixed on the tower device 500 to ensure the stability of the oil cylinder 100 in working; the cylinder 111 reciprocating motion of hydro-cylinder 100 drives the running block and follows piston rod 110 length direction reciprocating motion, because the wire rope both ends are fixed, and the total length does not change, and the change of running block position makes the unit head 200 motion of fixing on wire rope, for the hydro-cylinder of nonoculture, the utility model discloses a hydro-cylinder pressurization hoisting device structural design is simple, realizes easily that depression bar stability obtains improving.

Further, combine fig. 2 and 3, the utility model discloses an oil cylinder pressurization hoisting device is in drilling process, and unit head 200 provides rotation torque and holding down force for the drilling rod, does not rotate at the horizontal direction for fixed unit head 200, is equipped with on pulley yoke and pylon device 500 sliding connection and this pulley yoke in this embodiment to be used for restricting the horizontal pivoted guider of cylinder 111, specifically in this embodiment guider one end is fixed on the pulley yoke, and the other end is installed on pylon device 500 and rather than sliding connection.

Preferably, in this embodiment, the upper driving wheel 300 and/or the lower driving wheel 400 are mounted on the pulley frame by fixing plates provided on both sides thereof, the fixing plates being provided longitudinally in the sliding direction of the cylinder 111. Specifically in this embodiment, guider passes through the fixed plate and is connected with the pulley yoke, be integrated into one piece or split type structure between guider and the fixed plate.

Because the steel wire rope is made of flexible materials, when the steel wire rope is subjected to vertical transmission deviation, the driving wheel can be caused to rotate towards two sides, and therefore the fixing plates in the embodiment are arranged on two sides of the upper driving wheel 300 and/or the lower driving wheel 400, and the driving wheel can be limited; meanwhile, the tower device 500 is higher, the telescopic range of the cylinder barrel 110 is larger, one end of the guide device is fixed on the pulley frame, and the other end of the guide device is connected with the tower device 500 in a sliding mode, so that the up-and-down stretching of the cylinder barrel 110 can be guided, the cylinder barrel 110 is effectively prevented from longitudinally shifting when sliding on the piston rod 111, the power head 200 is caused to rotate in the horizontal direction, the problems of shaking and instability in the drilling process of the drill rod are solved, and the stability of the system is improved.

In one embodiment, the upper driving wheel 300 includes a first upper pulley 310 and a second upper pulley 311 that are disposed in parallel on the upper pulley frame 312, the lower driving wheel 400 includes a first lower pulley 410 and a second lower pulley 411 that are disposed in parallel on the lower pulley frame 412, and the upper pulley frame 312 and the lower pulley frame 412 are fixedly connected to the cylinder 111.

Specifically, in this embodiment, the upper guide 313 and the lower guide 413 are respectively disposed on the upper and lower sides of the sliding rail on both sides of the tower apparatus 500, the upper fixing plate 314 is disposed on both sides of the first upper pulley 310 and the second upper pulley 311, one end of the upper fixing plate 314 is connected to the central shaft of the upper pulley, the other end is connected to the upper guide 313 on the tower apparatus 500, similarly, the lower fixing plate 414 is disposed on both sides of the first lower pulley 410 and the second lower pulley 411, one end of the lower fixing plate 414 is connected to the central shaft of the lower pulley, and the other end is connected to the lower guide 413 on the tower apparatus 500.

In addition, it should be noted that the length of the cylinder 110 in this embodiment depends on the movement range of the power head 200 during operation, and the bottom of the power head 200 is provided with a power output end 230, and the power output end 230 is used for connecting a drilling device.

Referring to fig. 6, in this embodiment, the length of the cylinder 110 is half of the length of the tower, the free ends of the upper and

lower steel cables

210 and 220 are connected to the power head 200, and the fixed ends of the upper and

lower steel cables

210 and 220 are fixedly connected to the middle of the tower 500.

In this embodiment, the power head 200 includes a hydraulic motor and a speed reducer, the hydraulic motor can provide sufficient rotary power, that is, the hydraulic motor provides sufficient torque, the rotary power of the power head 200 is output by the power output end 230, a drill rod and a drill bit are connected below the power output end 230, the drill rod, the drill bit and the power output end 230 rotate simultaneously, and the drill rod is pressed down and lifted up by matching with the up-and-down movement of the cylinder 111, so as to realize drilling operation.

According to the novel oil cylinder pressurizing and lifting device for the blasthole drilling machine, the stroke of the power head 200 is the sum of the stroke of the cylinder barrel 110 and the stroke of the steel wire rope, wherein the stroke of the cylinder barrel 110 is the same as the stroke of the steel wire rope, so that the effect of multiplying the stroke of the power head 200 is achieved.

Further, the utility model discloses a novel hydro-cylinder pressurization hoisting device for blast hole rig, the both ends of piston rod 110 are fixed on pylon device 500 through top of the tower fixed part 112 and bottom of the tower fixed part 113 respectively.

As another embodiment, in order to improve the safety and stability of the assembly between the cylinder 100 and the tower device 500, in the embodiment, the tower top fixing portion 112, the tower bottom fixing portion 113 and the tower device 500 are welded, and since the tower device 500 of the embodiment is mainly used in environments such as mining, the tower top fixing portion 112 and the tower bottom fixing portion 113 at the tail end of the piston rod 110 are more firmly installed on the tower device 500 by welding, which is beneficial to smooth power output.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a novel hydro-cylinder pressurization hoisting device for blast hole rig which characterized in that: the tower device comprises a tower device (500) and an oil cylinder (100) arranged in the tower device (500), wherein the oil cylinder (100) comprises a piston rod (110) and a cylinder barrel (111), two ends of the piston rod (110) are fixed on the tower device (500), and the cylinder barrel (111) slides up and down along the piston rod (110);

pulley frames used for mounting an upper driving wheel (300) and a lower driving wheel (400) are arranged at two ends of the cylinder barrel (111), the pulley frames are connected with the tower device (500) in a sliding mode and provided with guiding devices used for limiting the cylinder barrel (111) to rotate transversely, a power head (200) is arranged between the upper driving wheel (300) and the lower driving wheel (400), and two ends of the power head (200) are respectively connected with an upper steel wire rope (210) and a lower steel wire rope (220);

the upper steel wire rope (210) and the lower steel wire rope (220) respectively pass around the upper driving wheel (300) and the lower driving wheel (400) and are fixed on the tower device (500), and the power head (200) is driven to move up and down along the tower device (500) through the expansion and contraction of the cylinder barrel (111).

2. The new cylinder pressurized lifting device for blasthole drill according to claim 1, characterized in that: one end of the guide device is fixed on the pulley yoke, and the other end of the guide device is arranged on the tower device (500) and is connected with the tower device in a sliding mode.

3. The new cylinder pressurized lifting device for blasthole drill according to claim 2, characterized in that: the upper driving wheel (300) and/or the lower driving wheel (400) are/is arranged on the pulley yoke through fixing plates arranged on two sides of the upper driving wheel and/or the lower driving wheel, and the fixing plates are longitudinally arranged along the sliding direction of the cylinder barrel (111).

4. The new cylinder pressurized lifting device for blasthole drill according to claim 3, characterized in that: the guide device is connected with the pulley yoke through the fixed plate, and the guide device and the fixed plate are of an integrally formed or split structure.

5. The new cylinder pressurized lifting device for blasthole drill according to claim 1, characterized in that: the upper driving wheel (300) and/or the lower driving wheel (400) are arranged inside the tower device (500) and have a diameter corresponding to the width of the tower device (500).

6. The new cylinder pressurized lifting device for blasthole drill according to claim 5, characterized in that: the free ends of the upper steel wire rope (210) and the lower steel wire rope (220) are connected with the power head (200), and the fixed ends of the upper steel wire rope (210) and the lower steel wire rope (220) are fixedly connected with the middle part of the tower device (500).

7. The novel oil cylinder pressurization lifting device for the blasthole drilling machine as claimed in any one of claims 1-6, wherein: the upper driving wheel (300) comprises a first upper pulley (310) and a second upper pulley (311) which are arranged on an upper pulley frame (312) in parallel, the lower driving wheel (400) comprises a first lower pulley (410) and a second lower pulley (411) which are arranged on a lower pulley frame (412) in parallel, and the upper pulley frame (312) and the lower pulley frame (412) are fixedly connected with the cylinder barrel (111).

8. The new cylinder pressurized lifting device for blasthole drill according to claim 7, characterized in that: the bottom of the power head (200) is provided with a power output end (230), and the power output end (230) is used for being connected with a drilling device.

9. The new cylinder pressurized lifting device for a blasthole drill according to claim 8, characterized in that: the two ends of the piston rod (110) are respectively fixed on the tower device (500) through a tower top fixing part (112) and a tower bottom fixing part (113).

10. The new cylinder pressurized lifting device for a blasthole drill according to claim 9, characterized in that: the tower top fixing part (112), the tower bottom fixing part (113) and the tower device (500) are connected in a welding mode.