CN212774164U

CN212774164U - Telescopic support device of anchor rod drilling machine

Info

Publication number: CN212774164U
Application number: CN202021849257.1U
Authority: CN
Inventors: 赵彦玲
Original assignee: Tianjin Tongxin Coal Mine Machinery Manufacturing Co ltd
Current assignee: Tianjin Tongxin Coal Mine Machinery Manufacturing Co ltd
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-03-23
Anticipated expiration: 2030-08-29

Abstract

The utility model relates to a roofbolter's telescopic bracket device. The device comprises a bottom base and a top base, wherein a telescopic bracket is arranged between the bottom base and the top base, and a track assembly and a sliding seat assembly are arranged on the top base; the telescopic support comprises a first bottom support, a second bottom support and a supporting arm; the middle front part of the first-stage support arm is provided with a first-stage lower support, the middle rear part of the first-stage support arm is provided with a first-stage upper support, the middle rear part of the second-stage support arm is provided with a second-stage lower support, the rear end of the second-stage support arm is provided with a second-stage upper support, the middle rear part of the third-stage support arm is provided with a third-stage lower support, and the rear end of the third-stage; the rear end of the first-stage support arm is hinged with the first support at the bottom, the front end of the first-stage support arm is hinged with the rear end of the second-stage support arm, the front end of the second-stage support arm is hinged with the rear end of the third-stage support arm, and the front end of the third-stage support arm is hinged with the support arm. The utility model discloses simple structure, operation flexibility ratio height, be convenient for carry out regulation and control on great working face.

Description

Telescopic support device of anchor rod drilling machine

Technical Field

The utility model belongs to the technical field of mining drilling equipment, especially, relate to a telescopic support device of roofbolter.

Background

In the excavation construction of coal mines, a mining jumbolter is required to be adopted for drilling in a tunnel. The anchor rod drilling machine is a drilling tool in coal mine roadway anchor rod supporting engineering and is used for obtaining a drilled hole of an anchor rod/an anchor cable by construction on an operation surface. The jumbolter has very important effect in improving the supporting effect of the coal mine tunnel, reducing the supporting cost, accelerating the tunnel forming speed and the like, and has very important effect in coal mine construction as practical mechanical equipment.

The jumbolter is generally composed of a support device, a driving device, a chuck device, a clamping device, a feeding device and the like, wherein the driving device drives the chuck device to rotate at a low speed and a high torque during operation, a drill rod loaded on the chuck device follows up with the chuck, and the feeding device is used for driving the drill rod to move in an axial direction in a feeding way, so that a drill hole of an anchor rod/anchor cable is processed on a working surface.

In actual construction, the drilled holes of the anchor rods/anchor cables processed on the working surface in the roadway are different according to the design requirements of roadway support. Specifically, drilling needs to be done at different positions of the working face, and the drilling direction, drilling height, drilling angle and the like of the drilling also need to meet the construction requirements. Because the number of anchor rod drill holes/anchor cable drill holes for supporting the roadway is usually larger, the working characteristics of the anchor rod drilling machine directly determine the construction efficiency and the drilling effect, and further the construction progress of the roadway supporting engineering is influenced.

The support device of the conventional anchor rod drilling machine is complex in structure and low in control flexibility. On the other hand, the existing support device has a limited moving range, which is not beneficial to adjusting the drilling and drilling directions, angles, heights and the like in a large working face, and thus the using range of the support device is limited. Therefore, there is a need for a structurally optimized design of the support device of the jumbolter.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide a simple structure, the flexible operation ratio is high, be convenient for carry out the telescopic bracket device of regulation control's roofbolter on great working face.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a telescopic bracket device of a jumbolter comprises a bottom base and a top base, wherein a telescopic bracket is arranged between the bottom base and the top base; the telescopic support comprises a bottom first support and a bottom second support which are arranged on the bottom base and a supporting arm arranged at the bottom of the top base; the support device also comprises a primary support arm, a secondary support arm and a tertiary support arm, wherein a primary lower support is arranged below the middle front part of the primary support arm, a primary upper support is arranged above the middle rear part of the primary support arm, a secondary lower support is arranged below the middle rear part of the secondary support arm, a secondary upper support is arranged above the rear end of the secondary support arm, a tertiary lower support is arranged below the middle rear part of the tertiary support arm, and a tertiary upper support is arranged above the rear end of the; the rear end of the first-stage support arm is hinged with the first support at the bottom, the front end of the first-stage support arm is hinged with the rear end of the second-stage support arm, the front end of the second-stage support arm is hinged with the rear end of the third-stage support arm, and the front end of the third-stage support arm is hinged with the support arm; a top support oil cylinder is arranged between the second support at the bottom and the first-level lower support, a first-level oil cylinder is arranged between the first-level upper support and the second-level lower support, a second-level oil cylinder is arranged between the second-level upper support and the third-level lower support, and a third-level oil cylinder is arranged between the third-level upper support and the support arm.

The utility model has the advantages that: the utility model provides a telescopic bracket device of roofbolter that structural design is simple reasonable compares with current bracket device, the utility model provides a bracket device makes whole bracket device can stretch out and draw back the action at great within range through setting up the telescopic bracket that is located the middle part, and the roofbolter after consequently assembling is convenient for to drill on great working face and is beaten and establish the direction, beat and establish the height and beat the regulation of establishing the angle. Through making telescopic bracket include tertiary support arm and all set up the hydro-cylinder of adjusting usefulness between the support arm at different levels, between bottom base and the one-level support arm, between top base and the tertiary support arm, realized the flexible volume of the piston rod through control different hydro-cylinders to the effect of controlling to the concrete gesture of whole flexible support arm, the flexibility of operation degree is high. Through set up the track subassembly on the base of top and install the slide subassembly on the track subassembly, for the drive assembly of roofbolter, chuck subassembly and centre gripping subassembly etc. provide the platform of loading, promoted the convenience of whole roofbolter equipment and maintenance. Through setting up the bottom base, make this telescopic bracket device can be conveniently to the moving platform on like installing on crawler-type moving platform, the rotary moving platform, the flexible characteristic of above-mentioned platform device of full play has promoted the efficiency of construction and the construction effect that the stock/anchor rope drilling was beaten and is established.

Preferably: the rail assembly comprises a bottom plate which is fixedly arranged on the top base through two opposite pressing strips, a first rail arm and a second rail arm which are opposite to each other are arranged on the bottom plate, a first rail plate is arranged on the first rail arm, and a second rail plate is arranged on the second rail arm.

Preferably: the sliding seat assembly comprises a movable supporting plate, end plates are arranged at the front part and the rear part of the movable supporting plate, a front sliding block and a rear sliding block are respectively arranged at the two sides of the movable supporting plate, and the sliding blocks slide along the rail plate at the side.

Preferably: two opposite cushion blocks are arranged at the rear part of the movable supporting plate, and two opposite limiting plates are arranged at the front part of the movable supporting plate.

Preferably: and a driving component for driving the sliding seat component to move is also installed in the track component, the driving component is a horizontal pushing oil cylinder, the rear end of a cylinder body of the driving component is hinged with a shaft seat on the bottom plate, and the front end of a piston rod of the driving component is hinged with a shaft seat below the movable supporting plate.

Drawings

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

FIG. 2 is a front view of the bottom base, telescoping support, and top base of FIG. 1;

fig. 3 is a schematic structural view of the rail assembly and the carriage assembly of fig. 1.

In the figure:

1. a bottom base; 2. a telescopic bracket; 2-1, a first support at the bottom; 2-2, a second support at the bottom; 2-3, supporting the oil cylinder; 2-4, a first-level lower support; 2-5, a primary support arm; 2-6, a first-level upper support; 2-7, a secondary support arm; 2-8, a primary oil cylinder; 2-9, a secondary lower support; 2-10, a secondary upper support; 2-11, a secondary oil cylinder; 2-12, three-stage support arms; 2-13, a third-level upper support; 2-14, a third-level lower support; 2-15, three-stage oil cylinder; 2-16, a supporting arm; 3. a top base; 4. a track assembly; 4-1, fixing a pressing strip; 4-2, a first orbital arm; 4-3, a bottom plate; 4-4, a second orbital arm; 4-5, a second track plate; 4-6, a first track plate; 5. a carriage assembly; 5-1, end plates; 5-2, limiting plates; 5-3, moving a supporting plate; 5-4, cushion blocks; 5-5, a sliding block.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1, the present invention includes a bottom base 1 and a top base 3, a telescopic support 2 is disposed between the bottom base and the top base, a track assembly 4 is installed on the top base 3, and a slide seat assembly 5 is installed on the track assembly 4.

Wherein, bottom base 1 is as this telescopic bracket device to the subassembly of going on installing on the moving platform, can set up a plurality of mounting holes on bottom base 1, when installing on the moving platform, adopts a plurality of high strength bolts with bottom base 1 and moving platform fixed connection. The top base 3 is used as a mounting platform of a track assembly 4 and a sliding seat assembly 5, the sliding seat assembly 5 is used as a mounting platform of a mechanism of a driving assembly, a chuck assembly, a clamping assembly and the like of the anchor rod drilling machine, and the sliding seat assembly 5 moves on the track assembly 4 to realize the feeding control of a drill rod.

The telescopic bracket 2 can be telescopic, and under the non-working state, the telescopic bracket 2 can reduce the space occupied by the anchor rod drilling machine through sufficient contraction. Under the working condition, the telescopic degree and the posture of the telescopic bracket 2 are adjusted according to the designed drilling position, angle and other process requirements, and the setting of the initial position and the drilling angle of the drill rod is realized.

Referring to fig. 2, it can be seen that:

the telescopic support 2 comprises a bottom first support 2-1 and a bottom second support 2-2 which are arranged on the bottom base 1 and a supporting arm 2-16 which is arranged at the bottom of the top base 3, wherein the bottom first support 2-1 and the bottom second support 2-2 are fixedly welded with the bottom base 1, and the supporting arm 2-16 is fixedly welded with the top base 3.

The support device comprises a support device and is characterized by further comprising a first-stage support arm 2-5, a second-stage support arm 2-7 and a third-stage support arm 2-12, wherein a first-stage lower support 2-4 is arranged below the middle front part of the first-stage support arm 2-5, a first-stage upper support 2-6 is arranged above the middle rear part of the first-stage support arm 2-5, a second-stage lower support 2-9 is arranged below the middle rear part of the second-stage support arm 2-7, a second-stage upper support 2-10 is arranged above the rear end of the second-stage support arm 2-12, a third-. And all the supports and the support arms are welded and fixed.

The rear end of the first-level support arm 2-5 is hinged with the first support base 2-1 at the bottom, the front end of the first-level support arm 2-5 is hinged with the rear end of the second-level support arm 2-7, the front end of the second-level support arm 2-7 is hinged with the rear end of the third-level support arm 2-12, and the front end of the third-level support arm 2-12 is hinged with the support arm 2-16.

A jacking oil cylinder 2-3 is arranged between the second bottom support 2-2 and the first-level lower support 2-4, specifically, the rear end of the cylinder body of the jacking oil cylinder 2-3 is hinged with the second bottom support 2-2, and the front end of the piston rod is hinged with the first-level lower support 2-4; a primary oil cylinder 2-8 is arranged between the primary upper support 2-6 and the secondary lower support 2-9, specifically, the rear end of the primary oil cylinder 2-8 is hinged with the primary upper support 2-6, and the front end of the piston rod is hinged with the secondary lower support 2-9; a secondary oil cylinder 2-11 is arranged between the secondary upper support 2-10 and the tertiary lower support 2-14, specifically, the rear end of the cylinder body of the secondary oil cylinder 2-11 is hinged with the secondary upper support 2-10, and the front end of the piston rod is hinged with the tertiary lower support 2-14; and a third-stage oil cylinder 2-15 is arranged between the third-stage upper support 2-13 and the support arm 2-16, specifically, the rear end of the cylinder body of the third-stage oil cylinder 2-15 is hinged with the third-stage upper support 2-13, and the front end of the piston rod is hinged with the support arm 2-16.

Wherein, the top support oil cylinder 2-3, the primary oil cylinder 2-8 and the secondary oil cylinder 2-11 are used for realizing the telescopic control of the whole telescopic bracket 2, and the tertiary oil cylinder 2-15 is used for realizing the angle control of the upper track component 4 and the sliding seat component 5.

Referring to fig. 3, it can be seen that:

the track assembly 4 comprises a bottom plate 4-3 which is fixedly arranged on the top base 3 by adopting two opposite pressing strips 4-1, a first track arm 4-2 and a second track arm 4-4 which are opposite are arranged on the bottom plate 4-3, a first track plate 4-6 is arranged on the first track arm 4-2, and a second track plate 4-5 is arranged on the second track arm 4-4. As shown in the figure, the first track arm 4-2 and the second track arm 4-4 are both made of C-shaped steel, and the bottoms of the first track arm 4-2 and the second track arm 4-4 are welded and fixed with the bottom plate 4-3.

The first track plate 4-6 and the second track plate 4-5 are both wear-resistant alloy plates and are mounted to the tops of the first track arm 4-2 and the second track arm 4-4, respectively, using countersunk bolts.

The pressing strip 4-1 is pressed on the edge of the bottom plate 4-3 to fixedly connect the bottom plate 4-3 with the top base 3. In this embodiment, the pressing strip 4-1 and the top base 4-3 are both provided with mounting holes, and the two are fixedly connected by a plurality of bolts.

During actual construction, limiting cross beams can be arranged between the front ends and the rear ends of the first track arm 4-2 and the second track arm 4-4 to limit the moving range of the sliding seat assembly 5 and prevent the sliding seat assembly from falling out of a running space.

Referring to fig. 3, it can be seen that:

the sliding seat assembly 5 comprises a moving supporting plate 5-3, end plates 5-1 are arranged at the front part and the rear part of the moving supporting plate 5-3, a front sliding block 5 and a rear sliding block 5 are respectively arranged at two sides of the moving supporting plate 5-3, and the sliding blocks 5-5 slide along the track plate at the side. Wherein, the front and rear end plates 5-1 are used for sealing the front and rear parts of the movable supporting plate 5-3, so as to prevent foreign matters from entering to cause the blocking problem of the sliding seat assembly 5.

In the embodiment, two opposite cushion blocks 5-4 are arranged at the rear part of the movable supporting plate 5-3, and two opposite limiting plates 5-2 are arranged at the front part of the movable supporting plate 5-3. The limiting plate 5-2 is used for limiting the positions of the driving assembly and the chuck assembly which are arranged on the sliding seat assembly 5, the position accuracy of assembly is improved, the two cushion blocks 5-4 are used for being matched with mounting grooves at the bottoms of the driving assembly and the chuck assembly, the assembly position accuracy is further improved, meanwhile, the combination strength between the assemblies and the sliding seat assembly 5 is higher, and the problems of transmission failure, drill rod jamming and the like caused by assembly displacement in the operation process of the anchor rod drilling machine are prevented

A driving component for driving the sliding seat component 5 to move is also arranged in the track component 4, the driving component is a horizontal pushing oil cylinder, the rear end of the cylinder body of the driving component is hinged with a shaft seat on the bottom plate 4-3, and the front end of the piston rod of the driving component is hinged with a shaft seat below the movable supporting plate 5-3. When the piston rod of the horizontal pushing oil cylinder extends out, the sliding seat assembly 5 and the accessory assemblies thereof move forwards along the track assembly 4, and the feeding driving control of the drill rod is realized.

Claims

1. The utility model provides a telescopic bracket device of roofbolter which characterized by: the device comprises a bottom base (1) and a top base (3), wherein a telescopic support (2) is arranged between the bottom base and the top base, a track assembly (4) is installed on the top base (3), and a sliding seat assembly (5) is installed on the track assembly (4);

the telescopic support (2) comprises a first bottom support (2-1) and a second bottom support (2-2) which are arranged on the bottom base (1) and a supporting arm (2-16) arranged at the bottom of the top base (3); the support is characterized by further comprising a first-stage support arm (2-5), a second-stage support arm (2-7) and a third-stage support arm (2-12), wherein a first-stage lower support (2-4) is arranged below the middle front part of the first-stage support arm (2-5), a first-stage upper support (2-6) is arranged above the middle rear part of the first-stage support arm, a second-stage lower support (2-9) is arranged below the middle rear part of the second-stage support arm (2-7), a second-stage upper support (2-10) is arranged above the rear end of the second-stage support arm, a third-stage lower support (2-14) is arranged below the middle rear; the rear end of the first-stage support arm (2-5) is hinged with the first support base (2-1) at the bottom, the front end of the first-stage support arm (2-5) is hinged with the rear end of the second-stage support arm (2-7), the front end of the second-stage support arm (2-7) is hinged with the rear end of the third-stage support arm (2-12), and the front end of the third-stage support arm (2-12) is hinged with the support arm (2-16); a jacking oil cylinder (2-3) is arranged between a second support (2-2) at the bottom and a first-stage lower support (2-4), a first-stage oil cylinder (2-8) is arranged between a first-stage upper support (2-6) and a second-stage lower support (2-9), a second-stage oil cylinder (2-11) is arranged between a second-stage upper support (2-10) and a third-stage lower support (2-14), and a third-stage oil cylinder (2-15) is arranged between a third-stage upper support (2-13) and a support arm (2-16).

2. The telescopic leg arrangement of an anchor drilling machine as set forth in claim 1, wherein: the track assembly (4) comprises a bottom plate (4-3) which is fixedly arranged on the top base (3) by adopting two opposite pressing strips (4-1), a first track arm (4-2) and a second track arm (4-4) which are opposite are arranged on the bottom plate (4-3), a first track plate (4-6) is arranged on the first track arm (4-2), and a second track plate (4-5) is arranged on the second track arm (4-4).

3. The telescopic leg arrangement of an anchor drilling machine as set forth in claim 2, wherein: the sliding seat assembly (5) comprises a movable supporting plate (5-3), end plates (5-1) are arranged at the front part and the rear part of the movable supporting plate (5-3), a front sliding block and a rear sliding block (5-5) are respectively arranged at two sides of the movable supporting plate (5-3), and the sliding blocks (5-5) slide along the track plate at the side.

4. The telescopic leg arrangement of an anchor drilling machine as set forth in claim 3, wherein: two opposite cushion blocks (5-4) are arranged at the rear part of the movable supporting plate (5-3), and two opposite limiting plates (5-2) are arranged at the front part of the movable supporting plate (5-3).

5. The telescopic leg arrangement of an anchor drilling machine as set forth in claim 4, wherein: a driving component for driving the sliding seat component (5) to move is also installed in the track component (4), the driving component is a horizontal pushing oil cylinder, the rear end of the cylinder body of the driving component is hinged with a shaft seat on the bottom plate (4-3), and the front end of the piston rod of the driving component is hinged with a shaft seat below the movable supporting plate (5-3).