CN212454231U

CN212454231U - Rock drilling rig

Info

Publication number: CN212454231U
Application number: CN202021027710.0U
Authority: CN
Inventors: 覃乐; 张猛; 吕世强
Original assignee: Chongqing Shuchuang Technology Co ltd
Current assignee: Chongqing Shuchuang Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-02
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a rock drilling rig, which comprises a self-walking chassis and a rock drilling host arranged on a drill boom, wherein the rock drilling host comprises a propeller, a guide rail, a rock drilling machine, a sliding table, a drill lifter and a propulsion oil cylinder for driving the sliding table to move; a drilling machine power head is also arranged on the sliding table, and a drill rod holder is also arranged on the guide rail; the drill power head and the rock drill select one operation, and the drill rod holding device and the drill rod holder correspond to be used with the rock drill and the drill. Preferably, the drill rod lifter is positioned at the front end of the guide rail and can be arranged on the guide rail in a turnover manner; the drilling machine and the drill rod holder are positioned between the drill rod lifter and the rock drill; the power head of the drilling machine can be arranged on the sliding table in a turnover mode. The beneficial effects of the utility model are that, functional member high-usage integrates the degree height, and the overall arrangement is compact, and the resource is saved, accords with lightweight and miniaturized environmental protection and energy saving requirement.

Description

Rock drilling rig

Technical Field

The utility model relates to an underground coal seam exploitation facility, concretely relates to rock drilling rig.

Background

The main work of coal mine rock roadway tunneling comprises advanced geological drilling construction, roadway construction and the like; the advanced geological drilling is generally constructed by using a full hydraulic drilling machine, and only a drilling machine with light weight and low power can be used due to the limitation of rock loading transportation equipment and environmental conditions, and the drilling machine has long time for entering and exiting a tunneling working face, high labor intensity, low drilling speed and low comprehensive efficiency. The tunnel excavation process mainly adopts the drilling and blasting construction and the gangue loading of a steel wire rope rock raking machine: the roadway drilling and blasting method for advancing excavation mainly comprises the following working procedures of drilling and blasting: the drilling method comprises manual air hammer drilling and drill jumbo mechanical drilling, the drilling speed of the manual air hammer is low, the labor intensity of workers is high, and the efficiency is low; the drilling jumbo is high in mechanical drilling speed and high in efficiency, is 2-3 times of drilling efficiency of an artificial air hammer, and does not have a drilling function generally. Even if some rock drills are integrated with drilling rigs, the drilling rigs and the drilling rigs are separately arranged, and the equipment is large in size and heavy and is not favorable for the development trend of light weight and miniaturization. There is therefore a need for improvements to existing rock drilling rigs.

Disclosure of Invention

The utility model aims at providing a rock drilling rig to the not enough of the bulky and heaviness of the rock drilling rig among the prior art, through setting up rock drill and rig unit head on same drill boom, can realize gyration drilling and impact gyration drilling function, but the space saving is fully saved to improve the utilization ratio of propeller, in order to accord with the energy-saving requirement of environmental protection of lightweight and miniaturization.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A rock drilling rig comprises a self-walking chassis and a rock drilling host arranged on a drill boom, wherein the rock drilling host comprises a propeller, a guide rail, a rock drill, a sliding table, a drill lifter and a propulsion oil cylinder for driving the sliding table to move; a drilling machine power head is further arranged on the sliding table, and a drill rod holder is further arranged on the guide rail; the drilling machine power head selects one of the rock drilling machines to operate, and the drill rod lifter and the drill rod holder are correspondingly matched with the rock drilling machine and the drilling machine power head for use.

Adopt aforementioned technical scheme the utility model discloses, guide rail and slip table through the rock drilling host computer on the drill boom set up drilling rod holder and rig unit head, make it possess undercutting drilling function, utilize the drilling of each position on the drill boom gyration adaptation face. The drilling machine power head and the rock drill work in an alternative operation mode, and the drilling machine power head and the rock drill have two functions of drilling by the drilling machine and impact drilling by the rock drill, so that the drilling machine can be used for drilling an undercut hole facing a vacant surface, and the rock drill can also be used for drilling and charging a blast hole. Therefore, the existing components such as the propeller, the guide rail and the sliding table which form the rock drilling host are fully utilized to form integrated equipment, the space is saved, the utilization rate of the existing facilities is improved, the layout is compact, resources are saved, and the environment-friendly and energy-saving requirements of light weight and miniaturization are met.

Preferably, the drill rod supporter is positioned at the front end of the guide rail, and the drill rod supporter can be arranged on the guide rail in a turnover manner; the drilling machine power head and the drill rod holder are positioned between the drill rod lifter and the rock drill; the drilling machine power head can be arranged on the sliding table in a turnover mode. By utilizing the characteristic that the rod diameter of the drill rod is larger than that of the drill rod, when drilling, the drill rod can pass through the space only by turning over and avoiding the drill rod lifter; when in rock drilling, the drill rod holder is close to the drill rod lifter, so that even if a drill rod passes through the drill rod holder, the clamping jaws for loosening the holder are in an open state, the drill rod cannot be damaged; after the power head of the drilling machine is turned over, the drill rod can be effectively avoided, and the drill rod with relatively large radial jumping amplitude is prevented from damaging the inner hole of the power head of the drilling machine. The drilling function of the drilling machine and the rock drilling function are reliable, and the service life is long.

Preferably, one side of the sliding table is provided with a turnover pin shaft, and the axis of the turnover pin shaft is parallel to the longitudinal direction of the guide rail; the drilling machine power head is hinged with the sliding table through the turnover pin shaft; and a locking mechanism is also arranged between the drilling machine power head and the sliding table. Further improve the fastness and the reliability of rig unit head and slip table connection.

Preferably, the locking mechanism comprises a locking bolt and a locking screw rod, the locking screw rod is hinged on the sliding table through a hinge pin shaft and is positioned on the other side of the sliding table opposite to the turnover pin shaft; a locking lug is formed on the power head of the drilling machine, and a U-shaped receiving groove for receiving the locking screw is formed in the locking lug; the locking screw is fixedly connected with the power head of the drilling machine through a locking nut screwed on the locking screw; the locking bolt is located the same side of upset round pin axle, and the locking bolt forms the locking of rig unit head and slip table fixedly through inserting the bolt hole. The convenience and locking firmness of the power head and the sliding table of the drilling machine are improved.

Further preferably, the drill rod lifter is fixed on the section of the front end of the guide rail through two bolts, and the axes of the bolts are parallel to the longitudinal direction of the guide rail. After loosening a bolt, hold up the borer ware and can empty towards guide rail one side around a bolt to form the drilling rod and wear to establish the space, thereby simplify the structure, reduce cost improves convenient operation nature.

Preferably, the thruster is arranged on a thruster support, and the thruster support is connected to the front end of the drill boom; the rear end of the drill boom is connected to a drill boom seat, the drill boom seat is arranged on a carrying platform of the self-walking chassis, and the drill boom is provided with a horizontal rotating structure, an axial telescopic structure and a pitching angle adjusting structure. The drilling arm and the propeller are utilized to form all-dimensional rock drilling holes and cut holes, and the requirements of blasting and rock falling for tunneling and drilling are met.

Preferably, the carrying platform is further provided with a hydraulic system and an operation control system. So as to form a hydraulic power drilling mode and ensure the convenient control operation.

The utility model has the advantages that: the utilization rate of functional components is high, the degree of integration is high, the overall arrangement is compact, resources are saved, and the environment-friendly and energy-saving requirements of light weight and miniaturization are met.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention.

Fig. 3 is a left side view of fig. 2 in the present invention.

Fig. 4 is a sectional view taken along line a-a of fig. 2 according to the present invention.

Detailed Description

The present invention will be further described with reference to the following drawings, which are illustrative only for the purpose of disclosing and explaining the present invention in order to fully understand the present invention, but not to limit the present invention within the scope of the described embodiments.

Referring to fig. 1, 2, 3 and 4, the rock drilling rig comprises a self-walking chassis and a rock drilling host arranged on a drill boom 16, wherein the rock drilling host comprises a propeller 14, a guide rail 1, a rock drilling machine 2, a sliding table 7, a drill lifter 3 and a propulsion oil cylinder 6 for driving the sliding table 7 to move, a drill rod positioning sleeve 3a is arranged on the drill lifter 3, a positioning device 22 is arranged below the drill lifter 3, and the positioning device 22 is fixed on the guide rail 1; the sliding table 7 is slidably arranged on the guide rail 1, the rock drill 2 is arranged on the sliding table 7, and the tail end of the sliding table 7 is provided with a hose reel 21; a drilling machine power head 4 is further arranged on the sliding table 7, and a drill rod holder 5 is further arranged on the guide rail 1; the drilling machine power head 4 and the rock drilling machine 2 are selected to operate, and the drill rod lifter 3 and the drill rod holder 5 are correspondingly matched with the rock drilling machine 2 and the drilling machine power head 4 for use. The thruster 14 is arranged on a thruster support 15, and the thruster support 15 is connected with the front end of a drill boom 16; the rear end of the drill boom 16 is connected to a drill boom seat 17, and the drill boom seat 17 is arranged on a carrying platform of the self-walking chassis; the drill boom 16 is provided with a horizontal rotating structure, an axial telescopic structure and a pitching angle adjusting structure; the carrier is also provided with a hydraulic system 18 and an operation control system 19.

The drill rod supporter 3 is positioned at the front end of the guide rail 1, and the drill rod supporter 3 can be arranged on the guide rail 1 in a turnover manner; the drilling machine power head 4 and the drill rod holder 5 are positioned between the drill rod lifter 3 and the rock drilling machine 2; the drill power head 4 is arranged on the sliding table 7 in a reversible manner. One side of the sliding table 7 is provided with a turnover pin shaft 8, and the axis of the turnover pin shaft 8 is parallel to the longitudinal direction of the guide rail 1; the drilling machine power head 4 is hinged with the sliding table 7 through a protruding hinged lug 4a and the turnover pin shaft 8; and a locking mechanism is also arranged between the drilling machine power head 4 and the sliding table 7. The locking mechanism comprises a locking bolt 20 and a locking screw 9, the locking screw 9 is hinged on the sliding table 7 through a hinge pin shaft 10 and is positioned on the other side of the sliding table 7 opposite to the turnover pin shaft 8; a locking support lug 4a is formed on the drilling machine power head 4, and a U-shaped receiving groove for receiving the locking screw 9 is formed in the locking support lug 4 a; the locking screw 9 is fixedly connected with the drilling machine power head 4 through a locking nut 11 screwed on the locking screw; the locking bolt 20 is positioned on the same side of the turnover pin shaft 8, and the locking bolt 20 is inserted into the bolt hole to form locking fixation of the drilling machine power head 4 and the sliding table 7. The drill rod lifter 3 is fixed on the section of the front end of the guide rail 1 through two bolts 13, and the axes of the bolts 13 are parallel to the longitudinal direction of the guide rail 1.

In this embodiment, the drilling machine power head 4 may be arranged behind the rock drilling machine 2, and at this time, the rock drilling machine 2 is arranged in a turning structure similar to or identical to the drilling machine power head 4.

In this embodiment, the drill rod holding device 3 can also be positioned behind the drill rod holding device 5, and the drill rod holding device 3 and the drill rod holding device 5 can both be arranged into a reversible structure.

Before a rock drilling hole is drilled on a tunnel face, the rock mass of the tunnel face is divided into a plurality of small blasting rock falling blocks by drilling equipment, blast holes are drilled on the small blocks by using a rock drilling machine, and after explosive is filled in the blast holes, the blasting rock falling is finally carried out. When the drill is used for cutting and drilling, the drill rod lifter 3 is turned over to one side and falls down to avoid a drill rod, the drill power head 4 drives the drill rod and a drill bit on the drill rod to rotate, and the propulsion oil cylinder 6 drives the sliding table 7 and the drill power head 4 to move; the drill rod gripper 5 is used to load or unload drill rods, which are to be unscrewed or screwed by the drill unit head 4 next to the removed or added drill rod. When drilling, the power head 4 of the drilling machine is overturned and suspended outside the side part of the guide rail 1; the drill rod extends out of the rock drill 2 and sequentially passes through a drill rod holder 5 and a guide hole of a drill rod lifter 3 which is fixed in a centering way so as to guide and absorb shock of the drill rod through the drill rod lifter 3, and a drill rod avoiding space is arranged inside a clamping jaw of the drill rod holder 5; the rock drill 2 drives the drill rod and the rock drill bit on the drill rod to drill, and the propulsion oil cylinder 6 drives the rock drill 2 to move; the drill boom and the thruster are used for rock drilling and size range adjustment of the drilling position respectively. Therefore, drilling by the drilling machine and drilling by rock drilling can be alternately carried out, common resources such as a drill boom, a propeller, a guide rail and a propulsion oil cylinder are commonly utilized, the layout is compact, the resources are saved, and the environment-friendly and energy-saving requirements of light weight and miniaturization are met.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A rock drilling rig comprises a self-walking chassis and a rock drilling host machine arranged on a drill boom (16), wherein the rock drilling host machine comprises a propeller (14), a guide rail (1), a rock drilling machine (2), a sliding table (7), a drill lifter (3) and a propulsion oil cylinder (6) for driving the sliding table (7) to move; the device is characterized in that a drilling machine power head (4) is further arranged on the sliding table (7), and a drill rod holder (5) is further arranged on the guide rail (1); the drilling machine power head (4) and the rock drilling machine (2) are selected to run, and the drill rod lifter (3) and the drill rod holder (5) are correspondingly matched with the rock drilling machine (2) and the drilling machine power head (4) for use.

2. A rock drilling rig as claimed in claim 1, characterized in that the drill rod lifter (3) is located at the front end of the guide rail (1), the drill rod lifter (3) being arranged on the guide rail (1) in a reversible manner; the drilling machine power head (4) and the drill rod clamp (5) are positioned between the drill rod lifter (3) and the rock drill (2); the drilling machine power head (4) can be arranged on the sliding table (7) in a turnover mode.

3. A rock drilling rig as claimed in claim 2, characterized in that one side of the sliding table (7) is provided with a roll-over pin (8), the axis of the roll-over pin (8) being parallel to the longitudinal direction of the guide rail (1); the drilling machine power head (4) is hinged with the sliding table (7) through the turnover pin shaft (8); and a locking mechanism is also arranged between the drilling machine power head (4) and the sliding table (7).

4. A rock drilling rig as claimed in claim 3, characterized in that the tightening mechanism comprises a locking bolt (20) and a locking screw (9), the locking screw (9) being hinged to the slide (7) by means of a hinge pin (10) and being located on the other side of the slide (7) opposite the roll-over pin (8); a locking support lug (4 a) is formed on the drilling machine power head (4), and a U-shaped receiving groove for receiving the locking screw (9) is formed in the locking support lug (4 a); the locking screw (9) is fixedly connected with the power head (4) of the drilling machine through a locking nut (11) screwed on the locking screw; the locking bolt (20) is located on the same side of the turnover pin shaft (8), and the locking bolt (20) forms a locking fixation between the drilling machine power head (4) and the sliding table (7) through an insertion bolt hole.

5. A rock drilling rig as claimed in claim 2, characterized in that the drill lifter (3) is fixed to the cross-section of the front end of the guide rail (1) by means of two bolts (13), the axis of the bolts (13) being parallel to the longitudinal direction of the guide rail (1).

6. A rock drilling rig as claimed in any one of claims 1 to 5, characterized in that the thruster (14) is mounted on a thruster mount (15), the thruster mount (15) being connected to the front end of the boom (16); the rear end of the drill boom (16) is connected to a drill boom seat (17), the drill boom seat (17) is arranged on a carrying platform of the self-walking chassis, wherein the drill boom (16) is provided with a horizontal rotating structure, an axial telescopic structure and a pitching angle adjusting structure.

7. A rock drilling rig as claimed in claim 6, characterized in that a hydraulic system (18) and an operation control system (19) are also provided on the carrier.