CN212837637U

CN212837637U - Novel rock drill propulsion system

Info

Publication number: CN212837637U
Application number: CN202021848837.9U
Authority: CN
Inventors: 徐雷; 张宝桥; 郭春涛
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: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-03-30
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a novel rock drill propulsion system belongs to mining machinery technical field. The utility model discloses a rock drill advancing system includes the propulsion beam, is equipped with movable pulley bracket and rock drill bracket on the propulsion beam, is equipped with the multislot movable pulley on the movable pulley bracket, and the rock drill bracket is at least drawn by the wire rope of two independent settings, walks around and fixes on the propulsion beam on the wire rope driven pulley. The utility model discloses overcome not enough that the fracture of wire rope became invalid and lead to among the rock drill advancing system, provide a novel rock drill advancing system, the wire rope of independent setting walks around from same multislot movable pulley, and when a wire rope fracture became invalid, other wire ropes on the multislot movable pulley can make things convenient for the operator to unload the pole, guarantee rock drill advancing system's safe and reliable.

Description

Novel rock drill propulsion system

Technical Field

The utility model belongs to the technical field of mining machinery, more specifically say, relate to a novel rock drill propulsion system.

Background

In a rock drill propulsion system in the prior art, a steel wire rope is usually adopted to drive a rock drill bracket to slide, but the safety problem of rod unloading can occur after the steel wire braking rope is broken. Especially for underground medium-length hole rock drilling jumbo, the wire rope breaks very unsafe.

In view of the above problems, related technical solutions are disclosed in the prior art, such as patent application nos.: 2012205625551, filing date: 10/30/2012, the name of invention creation is: a rock drilling jumbo of the application comprises a drill boom system, a rock drill, a propulsion system and a sliding frame, wherein the propulsion system is arranged on an upper slide way of the sliding frame; the propulsion system comprises a front pulley bracket, a rear pulley bracket, a rock drill bracket, a tensioning device, a propulsion oil cylinder, an oil cylinder bracket and a steel wire rope, wherein the tensioning device and the oil cylinder bracket are fixed on the sliding frame, the front pulley bracket, the rear pulley bracket and the rock drill bracket are slidably mounted on an upper slideway of the sliding frame, the front end and the rear end of a cylinder barrel of the propulsion oil cylinder are respectively fixed with the front pulley bracket and the rear pulley bracket, the end parts of a piston rod of the propulsion oil cylinder are fixed on the oil cylinder bracket, the steel wire rope consists of two strands of ropes, the two ends of the two strands of steel wire ropes are respectively fixed with the rock drill bracket, and the two strands.

The propulsion system is provided with a hydraulic oil cylinder for propulsion, and can realize the multiple propulsion by matching with two steel wire ropes, so that the length of the sliding frame is greatly reduced, the whole volume of the whole trolley is reduced, and the flexibility of operation is increased. However, in the scheme, the two steel wire ropes are separately arranged on the pulley, and the double-guarantee effect cannot be achieved.

In conclusion, how to overcome the defects caused by the fracture and failure of the steel wire rope in the propulsion system of the rock drilling machine 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 discloses overcome not enough that the fracture of wire rope became invalid and lead to among the rock drill advancing system, provide a novel rock drill advancing system, the wire rope of independent setting walks around from same multislot movable pulley, and when a wire rope fracture became invalid, other wire ropes on the multislot movable pulley can make things convenient for the operator to unload the pole, guarantee rock drill advancing system's safe and reliable.

2. Technical scheme

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

the utility model discloses a novel rock drill propulsion system, including the propulsion beam, be equipped with movable pulley bracket and rock drill bracket on the propulsion beam, be equipped with the multislot movable pulley on the movable pulley bracket, the rock drill bracket is at least drawn by two independent setting's wire rope, walks around and fixes on the propulsion beam on the wire rope driven pulley.

As a further improvement of the present invention, two grooves are provided in parallel on the movable pulley for two wire ropes for pulling the bracket of the rock drill to bypass each of the grooves.

As a further improvement of the utility model, wire rope includes parallel arrangement's first wire rope and second wire rope, and first wire rope and second wire rope's tip passes through the crimping head and connects and fix on the rock drill bracket.

As a further improvement, the press-connection head is detachably connected to the rock drill bracket.

As a further improvement of the utility model, be equipped with fixed pressing plate on the rock drill bracket, the crimping head passes through fixing bolt and installs on fixed pressing plate.

As a further improvement, the movable pulley bracket includes a bracket body and an apron disposed on the bracket body, and the apron is provided with a mounting groove for mounting the movable pulley.

As a further improvement, the bracket body is connected with the cover plate through a bolt component.

As a further improvement of the utility model, set up propulsion cylinder on the propulsion beam, movable pulley bracket, rock drill bracket respectively with propulsion beam sliding connection, propulsion cylinder is used for driving movable pulley bracket and rock drill bracket.

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 rock drill propulsion system, rock drill bracket are at least by two independent setting's wire rope traction motion, and when one of them wire rope fracture became invalid, another strand wire rope can continue to drive the rock drill bracket, makes things convenient for the operator to unload the pole and in time change wire rope to guarantee rock drill propulsion system's safe and reliable.

(2) The utility model discloses a novel rock drill propulsion system under the prerequisite that does not increase movable pulley quantity, sets up two recesses through the parallel on current movable pulley to supply two wire rope from the top to walk around, realize the gliding dual guarantee of rock drill bracket, can effectively utilize original space, practice thrift and reform transform the cost.

Drawings

Fig. 1 is a schematic structural view of a novel rock drill propulsion system of the present invention;

fig. 2 is a top view of a novel rock drill propulsion system of the present invention;

FIG. 3 is a schematic structural view of a multi-grooved movable pulley of the present invention;

fig. 4 is a side view of the multi-grooved movable pulley of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a feed beam; 110. a propulsion cylinder; 111. a tail plate;

200. a movable pulley bracket; 210. a multi-groove movable pulley; 211. a first wire rope; 212. a second wire rope; 213. a crimping head;

300. a rock drill carriage; 310. fixing the pressing plate; 311. fixing the bolt;

400. a fixed pulley; 410. and a third steel wire rope.

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 and 2, the novel rock drill propulsion system of the present embodiment includes a propulsion beam 100, a movable pulley bracket 200 and a rock drill bracket 300 are disposed on the propulsion beam 100, a multi-groove movable pulley 210 is disposed on the movable pulley bracket 200, the rock drill bracket 300 is at least pulled by two independent steel wire ropes, and the steel wire ropes are wound around the multi-groove movable pulley 210 and fixed on the propulsion beam 100.

In the present embodiment, a thrust cylinder 110 is disposed on the thrust beam 100, the traveling block bracket 200 and the rock drill bracket 300 are slidably connected to the thrust beam 100, respectively, and the thrust cylinder 110 is used to drive the traveling block bracket 200 and the rock drill bracket 300.

Further, the propelling process of the propulsion cylinder 110 in the present embodiment can be described as follows:

the propulsion cylinder 110 is acted by the internal hydraulic oil pressure and moves away from the tail plate 111, so that the movable pulley bracket 200 is driven to slide on the propulsion beam 100; a multi-groove movable pulley 210 is arranged on the movable pulley bracket 200, the multi-groove movable pulley 210 is driven by rotation to move forwards by at least two independently arranged steel wire ropes, one end of each steel wire rope is fixed on the tail plate 111, and the other end of each steel wire rope is fixed on the rock drill bracket 300, so that the rock drill bracket 300 is driven to slide; the jack hammer carrier 300 is used for mounting a drilling tool such as a drill bit and a drill rod, and the drilling operation is realized through hydraulic driving of the propulsion cylinder 110.

In the prior art, a single-stranded steel wire rope is usually adopted in a rock drilling machine propulsion system to drive the rock drilling machine bracket 300 to slide, and the safety problem of rod unloading can occur after the single-stranded steel wire brake rope is broken. The utility model discloses a drive rock drill bracket 300 motion by two strands of independent setting's wire rope structures at least, can make wire rope's life increase by a wide margin, and when one of them wire rope fracture became invalid, another strand of wire rope can continue to drive rock drill bracket 300, makes things convenient for the operator to unload the pole and in time change wire rope to guarantee rock drill advancing system's safe and reliable.

Preferably, in connection with fig. 3 and 4, in this embodiment two grooves are arranged in parallel in the multi-groove travelling block 210, and two wire ropes for pulling the rock drill rig cradle 300 are each passed around the grooves.

It should be noted that, because the space position of the feed beam 100 is limited, usually only one multi-groove movable pulley 210 can be accommodated for the steel wire rope to pass around from above, in this embodiment, on the premise of not increasing the number of the multi-groove movable pulleys 210, two grooves are formed in parallel on the existing multi-groove movable pulley 210 to allow two steel wire ropes to pass around from above, so that the dual guarantee of sliding of the rock drill bracket 300 is realized, the original space can be effectively utilized, and the modification cost is saved.

In addition, it should be noted that when the grooves are formed in the multi-groove movable pulley 210, the grooves should be reasonably arranged according to the diameter of the steel wire ropes, and if the two steel wire ropes are thicker, the two grooves are relatively far away from each other to avoid mutual contact friction between the rope bodies and prevent fatigue fracture and the like caused by abrasion.

As an embodiment, the wire rope in this embodiment includes a first wire rope 211 and a second wire rope 212 which are arranged in parallel, and the ends of the first wire rope 211 and the second wire rope 212 are connected and fixed to the jack hammer carrier 300 by a crimping head 213.

Further, the press connection 213 is detachably connected to the rock drill carriage 300.

In the present embodiment, the rock drill carriage 300 is provided with a fixed platen 310, and the crimping head 213 is mounted on the fixed platen 310 by means of fixing bolts 311. Two independently arranged steel wire ropes are pressed and fixed through the same pressing joint 213, so that the synchronism of the two rope bodies can be ensured, and the installation is simplified.

In addition, because the operating environment of the rock drill is bad, in order to avoid oil and water vapor pollution and block the sliding of the multi-groove movable pulley 210, the movable pulley bracket 200 in the embodiment comprises a bracket body and a cover plate arranged on the bracket body, the cover plate is provided with a mounting groove for mounting the multi-groove movable pulley 210, and further, the bracket body is connected with the cover plate through a bolt component.

This embodiment can play certain guard action to multislot movable pulley 210 through demountable installation in the apron on the bracket body, prolongs its life, and simultaneously, the apron passes through bolt assembly to be fixed on the bracket body, and the installation of the multislot movable pulley 210 of also being convenient for is changed.

Further, in this embodiment, the propelling beam 100 is further provided with a single-groove fixed pulley 400, and the third steel wire rope 410 is wound around the single-groove fixed pulley 400 and fixed on the tensioning device, and when the rock drill sliding table 300 retracts, a drill rod, a drilling tool and the like are not subjected to impact force any more, so that the safety and high-efficiency operation of equipment are guaranteed, and meanwhile, the fixed pulley on the propelling beam 100 is still designed into a traditional single-groove form, so that the space structure of the system can be simplified, the cost is saved, and unnecessary waste is avoided.

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. A novel rock drill propulsion system is characterized in that: including propelling beam (100), be equipped with movable pulley bracket (200) and rock drill bracket (300) on propelling beam (100), be equipped with multislot movable pulley (210) on movable pulley bracket (200), rock drill bracket (300) are at least drawn by two strands of wire rope of independent setting, wire rope follows walk around and fix on multislot movable pulley (210) on propelling beam (100).

2. A novel rock drill propulsion system as claimed in claim 1, characterised in that: two grooves are arranged in parallel on the multi-groove movable pulley (210) and used for drawing two steel wire ropes of the rock drill bracket (300) to respectively pass through the grooves.

3. A novel rock drill propulsion system as claimed in claim 1, characterised in that: the steel wire ropes comprise a first steel wire rope (211) and a second steel wire rope (212) which are arranged in parallel, and the ends of the first steel wire rope (211) and the second steel wire rope (212) are connected and fixed on the rock drill bracket (300) through a crimping head (213).

4. A novel rock drill propulsion system as claimed in claim 3, characterized in that: the crimping head (213) and the rock drill bracket (300) are detachably connected.

5. A novel rock drill propulsion system as claimed in claim 4, characterised in that: the rock drill bracket (300) is provided with a fixed pressing plate (310), and the crimping head (213) is installed on the fixed pressing plate (310) through a fixing bolt (311).

6. A novel rock drill propulsion system as claimed in claim 1, characterised in that: the movable pulley bracket (200) comprises a bracket body and a cover plate arranged on the bracket body, wherein the cover plate is provided with a mounting groove for mounting the multi-groove movable pulley (210).

7. A novel rock drill propulsion system as claimed in claim 6, characterised in that: the bracket body is connected with the cover plate through a bolt assembly.

8. A novel rock drill propulsion system as claimed in any one of claims 1 to 7 wherein: set up propulsion cylinder (110) on propelling beam (100), movable pulley bracket (200), rock drill bracket (300) respectively with propelling beam (100) sliding connection, propulsion cylinder (110) are used for the drive movable pulley bracket (200) with rock drill bracket (300).