阅读说明：本技术 一种煤矿钻架精准锚护定位装置 (Accurate anchor of colliery rig protects positioner ) 是由 张宏 王育恒 杨天 王晓波 于 2021-08-10 设计创作，主要内容包括：本发明提供一种煤矿钻架精准锚护定位装置,属于锚钻装置的技术领域,包括临时支护、竖直举升组件、水平滑动组件、工作台以及用于安装钻机的钻架组件；临时支护包括箱体、上支护油缸和下支护油缸；竖直举升组件包括固定架、举升架、连接架、举升油缸、举升滑轮单元和举升链条；水平滑动组件包括固定轨道、滑动轨道、平移油缸、旋转机构、旋转油缸和倾斜油缸；工作台位于两组钻架组件之间,与固定轨道连接。上述煤矿钻架精准锚护定位装置是一种垂直升降式锚钻装置,占用空间小,且定位准确性较高。(The invention provides a precise anchoring and protecting positioning device for a coal mine drill rig, which belongs to the technical field of anchoring and drilling devices and comprises a temporary support, a vertical lifting assembly, a horizontal sliding assembly, a workbench and a drill rig assembly for mounting a drilling machine; the temporary support comprises a box body, an upper support oil cylinder and a lower support oil cylinder; the vertical lifting assembly comprises a fixed frame, a lifting frame, a connecting frame, a lifting oil cylinder, a lifting pulley unit and a lifting chain; the horizontal sliding assembly comprises a fixed rail, a sliding rail, a translation oil cylinder, a rotating mechanism, a rotating oil cylinder and an inclined oil cylinder; the working table is positioned between the two groups of drill frame components and is connected with the fixed track. The accurate anchoring and protecting positioning device for the coal mine drill rig is a vertical lifting type anchoring and drilling device, and is small in occupied space and high in positioning accuracy.)

1. The accurate anchoring and protecting positioning device for the coal mine drill rig is characterized by comprising a temporary support (1), a vertical lifting assembly (2), a horizontal sliding assembly (3), a workbench (4) and a drill rig assembly (5) for mounting a drilling machine; the temporary support (1) comprises a box body (1.1), an upper support oil cylinder (1.2) and a lower support oil cylinder (1.3); the upper support oil cylinder (1.2) and the lower support oil cylinder (1.3) are both arranged on the box body (1.1), the piston of the upper support oil cylinder (1.2) is positioned above the box body (1.1), and the piston of the lower support oil cylinder (1.3) is positioned below the box body (1.1); the vertical lifting assembly (2) comprises a fixed frame (2.1), a lifting frame (2.2), a connecting frame (2.3), a lifting oil cylinder (2.4), a lifting pulley unit (2.5) and a lifting chain (2.6); the fixing frame (2.1) comprises a fixing bottom plate used for being connected with the tunneling and anchoring integrated machine or the anchor cable drill carriage, two groups of fixing vertical rails vertically arranged on the fixing bottom plate, an upper fixing cross beam used for connecting the two groups of fixing vertical rails and a lower fixing cross beam used for connecting the temporary support (1); a box body (1.1) of the temporary support (1) is fixed on the lower fixed cross beam; the lifting frame (2.2) comprises lifting vertical rails in sliding fit with the fixed vertical rails, and an upper lifting beam and a lower lifting beam which are connected with the two groups of lifting vertical rails; the connecting frame (2.3) comprises a connecting cross beam parallel to the lifting cross beam and a connecting longitudinal beam parallel to the lifting rail, and the connecting longitudinal beam is in sliding fit with the lifting rail; the cylinder body of the lifting oil cylinder (2.4) is hinged on the fixed bottom plate, and the piston is hinged on the lifting frame (2.2); the lifting pulley unit (2.5) comprises a pulley shaft (2.5.1) fixed on the upper lifting beam and a pulley (2.5.2) rotatably mounted on the pulley shaft (2.5.1); the lifting chain (2.6) winds around the pulley (2.5.2), and two ends of the lifting chain are respectively connected with the connecting longitudinal beam and the upper fixed cross beam; the horizontal sliding assembly (3) comprises a fixed rail (3.1), a sliding rail (3.2), a translation oil cylinder (3.3), a rotating mechanism (3.4), a rotating oil cylinder (3.5) and an inclined oil cylinder (3.6); the fixed track (3.1) is fixed on the connecting beam; the sliding rails (3.2) are arranged at two ends of the fixed rail (3.1) and are in sliding fit with the fixed rail (3.1); two ends of the translation oil cylinder (3.3) are respectively hinged with the fixed track (3.1) and the sliding track (3.2); the rotating mechanism (3.4) penetrates through the sliding rail (3.2), the end part positioned on the outer side of the sliding rail (3.2) is hinged with the drilling rig component (5) through a horizontal hinge shaft (6), and the end part positioned on the inner side of the sliding rail (3.2) is provided with an upper group of oil cylinder connecting lugs and a lower group of oil cylinder connecting lugs; two ends of the rotary oil cylinder (3.5) are respectively hinged with the sliding track (3.2) and the oil cylinder connecting lug; two ends of the inclined oil cylinder (3.6) are respectively connected with the sliding track (3.2) and the drilling rig component (5) and are used for driving the drilling rig component (5) to rotate around the horizontal hinge shaft (6); the working table is positioned between the two groups of drill frame components (5) and is connected with the fixed track (3.1).

2. The accurate anchoring and positioning device for the coal mine drilling rig according to claim 1, characterized in that the upper supporting oil cylinder (1.2) and the lower supporting oil cylinder (1.3) are hinged with the box body (1.1) through connecting lugs (1.4) and hinge shafts (1.5), and an oil cylinder clamping ring (1.6) is arranged outside the box body.

3. The coal mine drilling rig precise anchoring and protecting positioning device according to claim 1, wherein the vertical lifting assembly (2) further comprises a roller unit I; the roller unit I (2.7) comprises a roller shaft I (2.7.1), a roller I (2.7.2) rotatably mounted on the roller shaft I (2.7.1) and a baffle arranged at the end part of the roller shaft I (2.7.1); the top of fixed vertical rail and the bottom of lifting vertical rail all are provided with the recess, and gyro wheel axle I (2.7.1) is installed in the recess, and the screw passes the baffle and installs gyro wheel unit I (2.7) on fixed vertical rail and lifting vertical rail, gyro wheel I (2.7.2) are located between fixed vertical rail and the lifting vertical rail and with the lateral wall contact of fixed vertical rail.

4. The coal mine drilling rig precision anchoring and positioning device according to claim 3, characterized in that the vertical lifting assembly (2) further comprises a roller unit II (2.8); the roller unit II (2.8) comprises a roller shaft II (2.8.1) and a roller II (2.8.2) rotatably mounted on the roller shaft II (2.8.1), the roller shaft II (2.8.1) is fixed on the connecting longitudinal beam through a screw, and the roller II (2.8.2) is located between the lifting vertical rail and the connecting longitudinal beam and is in contact with the side wall of the lifting vertical rail.

5. The coal mine wheel type anchor cable drill carriage with precise anchoring and protecting positioning as claimed in claim 4, wherein the lifting beam is provided with a pulley mounting column and a chain mounting column, and the pulley mounting column is provided with a groove; a baffle plate is arranged at the end part of the pulley shaft (2.5.1), the pulley shaft (2.5.1) is arranged in the groove, and a screw passes through the baffle plate to fix the lifting pulley unit (2.5) on the pulley mounting column; two ends of the lifting chain (2.6) are respectively connected with the connecting longitudinal beam and the upper fixed cross beam through chain mounting columns.

6. The accurate anchoring and protecting positioning device for the coal mine drill stand according to claim 5, wherein the workbench (4) comprises a platform bottom plate (4.1), platform turning plates (4.2) hinged to two sides of the platform bottom plate (4.1), a ceiling (4.3) arranged opposite to the platform bottom plate (4.1), supporting columns for connecting the ceiling and the platform bottom plate, a whole vehicle control unit (4.4) arranged between the two groups of supporting columns, turning plate oil cylinders (4.5) and ceiling lifting oil cylinders; the platform bottom plate (4.1) is connected with the fixed track (3.1) through bolts; two ends of the flap cylinder (4.5) are respectively hinged with the platform bottom plate (4.1) and the platform flap (4.2); the supporting columns comprise lower supporting columns (4.6) with the bottom ends fixed on the platform bottom plate and upper supporting columns (4.7) with the top ends fixed on the ceiling, and the upper supporting columns are in sliding insertion connection with the lower supporting columns; the ceiling lifting oil cylinder is arranged in the support column, the cylinder body is hinged with the lower support column, and the piston is hinged with the upper support column.

7. A precise anchoring and protecting positioning device for a coal mine drill stand according to claim 6, characterized in that a ceiling illuminating lamp (4.8) is further arranged on the ceiling (4.3).

Technical Field

The invention belongs to the technical field of anchor drilling devices, and particularly discloses a precise anchoring and protecting positioning device for a coal mine drilling rig.

Background

In modern coal mines, anchor cable support is an economic and effective support mode for coal mine roadways at present, and is a main means for safe operation and preventing coal seams from collapsing.

At present, a lifting anchor drilling system carried by a tunneling and anchoring all-in-one machine and an anchor cable drill carriage used in various domestic large coal mines is mostly lifted by adopting a four-bar mechanism when lifting anchor protection operation is carried out, and the problems of inaccurate positioning and excessively low lifting height exist in the anchor cable operation.

Disclosure of Invention

The invention provides a precise anchoring and protecting positioning device for a coal mine drill stand, which aims to solve the problems of inaccurate positioning and over-low lifting height of a four-rod lifting mechanism.

In order to achieve the aim, the invention provides a precise anchoring and protecting positioning device for a coal mine drill stand, which comprises a temporary support (1), a vertical lifting assembly (2), a horizontal sliding assembly (3), a workbench (4) and a drill stand assembly (5) for mounting a drilling machine; the temporary support (1) comprises a box body (1.1), an upper support oil cylinder (1.2) and a lower support oil cylinder (1.3); the upper support oil cylinder (1.2) and the lower support oil cylinder (1.3) are both arranged on the box body (1.1), the piston of the upper support oil cylinder (1.2) is positioned above the box body (1.1), and the piston of the lower support oil cylinder (1.3) is positioned below the box body (1.1); the vertical lifting assembly (2) comprises a fixed frame (2.1), a lifting frame (2.2), a connecting frame (2.3), a lifting oil cylinder (2.4), a lifting pulley unit (2.5) and a lifting chain (2.6); the fixing frame (2.1) comprises a fixing bottom plate used for being connected with the tunneling and anchoring integrated machine or the anchor cable drill carriage, two groups of fixing vertical rails vertically arranged on the fixing bottom plate, an upper fixing cross beam used for connecting the two groups of fixing vertical rails and a lower fixing cross beam used for connecting the temporary support (1); a box body (1.1) of the temporary support (1) is fixed on the lower fixed cross beam; the lifting frame (2.2) comprises lifting vertical rails in sliding fit with the fixed vertical rails, and an upper lifting beam and a lower lifting beam which are connected with the two groups of lifting vertical rails; the connecting frame (2.3) comprises a connecting cross beam parallel to the upper lifting cross beam and the lower lifting cross beam and a connecting longitudinal beam parallel to the lifting rail, and the connecting longitudinal beam is in sliding fit with the lifting rail; the cylinder body of the lifting oil cylinder (2.4) is hinged on the fixed bottom plate, and the piston is hinged on the lifting frame (2.2); the lifting pulley unit (2.5) comprises a pulley shaft (2.5.1) fixed on the upper lifting beam and a pulley (2.5.2) rotatably mounted on the pulley shaft (2.5.1); the lifting chain (2.6) rounds the pulley (2.5.2), and two ends of the lifting chain are respectively connected with the connecting longitudinal beam and the upper fixed cross beam; the horizontal sliding assembly (3) comprises a fixed rail (3.1), a sliding rail (3.2), a translation oil cylinder (3.3), a rotating mechanism (3.4), a rotating oil cylinder (3.5) and an inclined oil cylinder (3.6); the fixed track (3.1) is fixed on the connecting beam; the sliding rails (3.2) are arranged at two ends of the fixed rail (3.1) and are in sliding fit with the fixed rail (3.1); two ends of the translation oil cylinder (3.3) are respectively hinged with the fixed track (3.1) and the sliding track (3.2); the rotating mechanism (3.4) penetrates through the sliding rail (3.2), the end part positioned on the outer side of the sliding rail (3.2) is hinged with the drilling rig component (5) through a horizontal hinge shaft, and the end part positioned on the inner side of the sliding rail (3.2) is provided with an upper group of oil cylinder connecting lugs and a lower group of oil cylinder connecting lugs; two ends of the rotary oil cylinder (3.5) are respectively hinged with the sliding track (3.2) and the oil cylinder connecting lug; two ends of the inclined oil cylinder (3.6) are respectively connected with the sliding track (3.2) and the drilling rig component (5) and are used for driving the drilling rig component (5) to rotate around the horizontal hinge shaft (2); the workbench (4) is positioned between the two groups of drill frame components (5) and is connected with the fixed track (3.1).

Furthermore, the upper supporting oil cylinder (1.2) and the lower supporting oil cylinder (1.3) are hinged with the box body (1.1) through connecting lugs (1.4) and hinge shafts (1.5), and an oil cylinder clamping ring (1.6) is arranged outside the cylinder body.

Further, the vertical lifting assembly (2) also comprises a roller unit I (2.7); the roller unit I (2.7) comprises a roller shaft I (2.7.1), a roller I (2.7.2) rotatably arranged on the roller shaft I (2.7.1) and a baffle arranged at the end part of the roller shaft I (2.7.1); the top end of the fixed vertical rail and the bottom end of the lifting vertical rail are both provided with grooves, roller shafts I (2.7.1) are arranged in the grooves, screws penetrate through the baffle plates to install the roller units I (2.7) on the fixed vertical rail and the lifting vertical rail, and the rollers I (2.7.2) are positioned between the fixed vertical rail and the lifting vertical rail and are in contact with the side wall of the fixed vertical rail;

further, the vertical lifting assembly (2) also comprises a roller unit II (2.8); the roller unit II (2.8) comprises a roller shaft II (2.8.1) and a roller II (2.8.2) rotatably mounted on the roller shaft II (2.8.1), the roller shaft II (2.8.1) is fixed on the connecting longitudinal beam through a screw, and the roller II (2.8.2) is located between the lifting vertical rail and the connecting longitudinal beam and is in contact with the side wall of the lifting vertical rail.

Furthermore, a pulley mounting column is arranged on the upper lifting beam, and a groove is formed in the pulley mounting column; a baffle plate is arranged at the end part of the pulley shaft (2.5.1), the pulley shaft (2.5.1) is arranged in the groove, and a screw passes through the baffle plate to fix the lifting pulley unit (2.5) on the pulley mounting column; the connecting longitudinal beam is provided with a chain mounting column, and two ends of the lifting chain (2.6) are respectively connected with the connecting longitudinal beam and the upper fixed cross beam through the chain mounting column.

Furthermore, the workbench (4) comprises a platform bottom plate (4.1), platform turning plates (4.2) hinged to two sides of the platform bottom plate, a ceiling (4.3) arranged opposite to the platform bottom plate (4.1), supporting columns for connecting the ceiling and the platform bottom plate, a whole vehicle control unit (4.4) arranged between the two groups of supporting columns, turning plate oil cylinders (4.5) and ceiling lifting oil cylinders; the platform bottom plate (4.1) is connected with the fixed track (3.1) through bolts; two ends of the flap cylinder (4.5) are respectively hinged with the platform bottom plate (4.1) and the platform flap (4.2); the supporting columns comprise lower supporting columns (4.7) with the bottom ends fixed on the platform bottom plate and upper supporting columns (4.6) with the top ends fixed on the ceiling (4.3), and the upper supporting columns (4.6) are in sliding insertion connection with the lower supporting columns (4.7); the ceiling lifting oil cylinder is arranged in the supporting column, the cylinder body is hinged with the lower supporting column (4.7), and the piston is hinged with the upper supporting column (4.6).

Furthermore, a ceiling illuminating lamp (4.8) is also arranged on the ceiling (4.3).

The invention has the following advantages:

the accurate anchoring and protecting positioning device for the coal mine drill rig is a vertical lifting type anchoring and drilling device, and is small in occupied space and high in positioning accuracy; the indirect lifting mode that the lifting oil cylinder, the lifting pulley unit and the lifting chain are matched is adopted, the reliability is greatly improved, the stroke of the drill frame assembly is twice that of the lifting oil cylinder, and the lifting distance is increased on the basis of saving space.

Drawings

FIG. 1 is a schematic structural view of a precise anchoring and protecting positioning device of a coal mine drill rig;

fig. 2 is a schematic structural view of a temporary support;

FIG. 3 is a schematic view of the vertical lift assembly;

FIG. 4 is a schematic view of the horizontal sliding assembly;

FIG. 5 is a schematic structural view of a worktable;

FIG. 6 is a schematic structural view of a drill rig assembly;

FIG. 7 is a schematic structural diagram of a roller unit I;

FIG. 8 is a schematic structural diagram of a roller unit II;

fig. 9 is a schematic structural view of the lifting sheave unit.

In the figure: 1-temporary support; 1.1-a box body; 1.2-supporting the oil cylinder; 1.3-lower support oil cylinder; 1.4-connecting lug; 1.5-hinge shaft; 1.6-oil cylinder snap ring; 2-a vertical lifting assembly; 2.1-a fixed mount; 2.2-lifting frame; 2.3-connecting frame; 2.4-lifting oil cylinder; 2.5-lifting pulley unit; 2.5.1-pulley shaft; 2.5.2-pulleys; 2.6-lifting the chain; 2.7-roller unit I; 2.7.1-roller shaft I; 2.7.2-roller I; 2.7.3-roller bearing I; 2.7.4-circlip I; 2.8-roller unit II; 2.8.1-roller shaft II; 2.8.2-roller II; 2.8.3-roller bearing II; 2.8.4-circlip II; 3-a horizontal sliding assembly; 3.1-fixed rail; 3.2-sliding track; 3.3-translation oil cylinder; 3.4-rotating mechanism; 3.5-rotating the oil cylinder; 3.6-tilting the oil cylinder; 4-a workbench; 4.1-platform floor; 4.2-platform turning plate; 4.3-ceiling; 4.4-vehicle control unit; 4.5-plate turnover oil cylinder; 4.6-lower support column; 4.7-upper support column; 4.8-ceiling lights; 5-a drill rig assembly; 5.1-drill stand fixing frame; 5.2-carriage; 5.3-guide rail slide block; 5.4-guide post; 5.5-drilling box; 5.6-rig control unit; 6-horizontal hinge shaft.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment provides a precise anchoring and protecting positioning device for a coal mine drill stand, which comprises a temporary support 1, a vertical lifting assembly 2, a horizontal sliding assembly 3, a workbench 4 and a drill stand assembly 5 for mounting a drilling machine; the temporary support 1 comprises a box body 1.1, an upper support oil cylinder 1.2 and a lower support oil cylinder 1.3; the upper support oil cylinder 1.2 and the lower support oil cylinder 1.3 are both arranged on the box body 1.1, the piston of the upper support oil cylinder 1.2 is positioned above the box body 1.1, and the piston of the lower support oil cylinder 1.3 is positioned below the box body 1.1; the vertical lifting component 2 comprises a fixed frame 2.1, a lifting frame 2.2, a connecting frame 2.3, a lifting oil cylinder 2.4, a lifting pulley unit 2.5 and a lifting chain 2.6; the fixing frame 2.1 comprises a fixing bottom plate used for being connected with the tunneling and anchoring integrated machine or the anchor cable drill carriage, two groups of fixing vertical rails vertically arranged on the fixing bottom plate, a fixing cross beam used for connecting the two groups of fixing vertical rails and a lower fixing cross beam used for connecting a temporary support; the fixed bottom plate is fixed on the frame; a box body 1.1 of the temporary support 1 is fixed on the lower fixed cross beam; the lifting frame 2.2 comprises lifting vertical rails in sliding fit with the fixed vertical rails, and an upper lifting beam and a lower lifting beam which are connected with the two groups of lifting vertical rails; the connecting frame 2.3 comprises a connecting cross beam parallel to the lifting cross beam and a connecting longitudinal beam parallel to the lifting rail, and the connecting longitudinal beam is in sliding fit with the lifting rail; the cylinder body of the lifting oil cylinder 2.4 is hinged on the fixed bottom plate, and the piston is hinged on the lifting frame 2.2; the lifting pulley unit 2.5 comprises a pulley shaft 2.5.1 fixed on the upper lifting beam and a pulley 2.5.2 rotatably arranged on the pulley shaft 2.5.1; the lifting chain 2.6 rounds the pulley 2.5.2, and two ends of the lifting chain are respectively connected with the connecting longitudinal beam and the upper lifting cross beam; the horizontal sliding assembly 3 comprises a fixed rail 3.1, a sliding rail 3.2, a translation oil cylinder 3.3, a rotating mechanism 3.4, a rotating oil cylinder 3.5 and an inclined oil cylinder 3.6; the fixed rail 3.1 is fixed on the connecting beam, so that the lifting of the horizontal sliding assembly 3 is realized; the sliding rails 3.2 are arranged at two ends of the fixed rail 3.1 and are in sliding fit with the fixed rail 3.1; two ends of the translation oil cylinder 3.3 are respectively hinged with the fixed track 3.1 and the sliding track 3.2, and the sliding of the sliding track 3.2 relative to the fixed track 3.1 is realized through the extension and contraction of the translation oil cylinder 3.3; the rotating mechanism 3.4 penetrates through the sliding rail 3.2, the end part positioned on the outer side of the sliding rail 3.2 is hinged with the drill stand component 5 through a horizontal hinge shaft 6, and the end part positioned on the inner side of the sliding rail 3.2 is provided with an upper group of oil cylinder connecting lugs and a lower group of oil cylinder connecting lugs; two ends of the rotary oil cylinder 3.5 are respectively hinged with the sliding track 3.2 and the oil cylinder connecting lug, and the included angle between the drill stand component 5 and the vertical plane is adjusted through the extension and retraction of the rotary oil cylinders 3.5 at two sides of the rotary mechanism 3.4; two ends of the inclined oil cylinder 3.6 are respectively connected with the sliding rail 3.2 and the drilling rig component 5 and are used for driving the drilling rig component 5 to rotate around the horizontal hinge shaft 6 and adjusting an included angle between the drilling rig component and the horizontal plane; the workbench 4 is positioned between the two groups of drill frame components 5, is connected with the fixed track 3.1 and is lifted along with the horizontal sliding component 3.

Furthermore, the upper supporting oil cylinder 1.2 and the lower supporting oil cylinder 1.3 are hinged with the box body 1.1 through a connecting lug 1.4 and a hinge shaft 1.5, and an oil cylinder clamping ring 1.6 is arranged outside the cylinder body to prevent the upper supporting oil cylinder and the lower supporting oil cylinder from being separated from the box body 2.1.1.

Furthermore, the vertical lifting assembly 2 also comprises a roller unit I2.7 and a roller unit II 2.8; the roller unit I2.7 comprises a roller shaft I2.7.1, a roller I2.7.2 rotatably mounted on the roller shaft I2.7.1 and a baffle arranged at the end part of the roller shaft I2.7.1; the top end of the fixed vertical rail and the bottom end of the lifting vertical rail are both provided with grooves, the roller shaft I2.7.1 is installed in the grooves, the screw penetrates through the baffle plate to install the roller unit I2.7 on the fixed vertical rail and the lifting vertical rail, and the roller I2.7.2 is positioned between the fixed vertical rail and the lifting vertical rail and is in contact with the side wall of the fixed vertical rail, so that the friction between the fixed vertical rail and the lifting vertical rail is reduced; the roller unit II 2.8 comprises a roller shaft II 2.8.1 and a roller II 2.8.2 rotatably mounted on the roller shaft II 2.8.1, the roller shaft II 2.8.1 is fixed on the connecting longitudinal beam through a screw, and the roller II 2.8.2 is positioned between the lifting rail and the connecting longitudinal beam and is in contact with the side wall of the lifting rail, so that friction between the lifting rail and the connecting longitudinal beam is reduced.

Furthermore, a pulley mounting column and a chain mounting column are arranged on the upper lifting beam, and a groove is formed in the pulley mounting column; a baffle is arranged at the end part of the pulley shaft 2.5.1, the pulley shaft 2.5.1 is arranged in the groove, and a screw passes through the baffle to fix the lifting pulley unit 2.5 on the pulley mounting column; the connecting longitudinal beam is provided with a chain mounting column, and two ends of the lifting chain 2.6 are respectively connected with the connecting longitudinal beam and the upper fixed cross beam through the chain mounting column.

Further, the roller I2.7.2 is connected with the roller shaft I2.7.1 through a roller bearing I2.7.3 and a circlip I2.7.4; the roller II 2.8.2 is connected with the roller shaft II 2.8.1 through a roller bearing II 2.8.3 and a elastic retainer ring II 2.8.4.

Further, the workbench 4 comprises a platform bottom plate 4.1, platform turning plates 4.2 hinged to two sides of the platform bottom plate 4.1, a ceiling 4.3 arranged opposite to the platform bottom plate 4.1, supporting columns for connecting the ceiling 4.3 and the platform bottom plate 4.1, a whole vehicle control unit 4.4 arranged between the two groups of supporting columns, a turning plate oil cylinder 4.5 and a ceiling lifting oil cylinder; the platform bottom plate 4.1 is connected with the fixed track 3.1 through bolts; two ends of the flap cylinder 4.5 are respectively hinged with the platform bottom plate 4.1 and the platform flap 4.2; the supporting columns comprise lower supporting columns 4.6 with the bottom ends fixed on the platform bottom plate 4.1 and upper supporting columns 4.7 with the top ends fixed on the ceiling 4.3, and the upper supporting columns 4.6 are in sliding splicing with the lower supporting columns 4.7; the ceiling lifting oil cylinder is installed in the support column, the cylinder body is hinged with the lower support column 4.7, the piston is hinged with the upper support column 4.6, the support column is driven to stretch by stretching of the ceiling lifting oil cylinder, and therefore the height of the ceiling 4.3 is changed. The ceiling 4.3 is also provided with ceiling lights 4.8.

Further, the drill stand assembly 5 comprises a drill stand fixing frame 5.1, a sliding frame 5.2, a guide rail slide block 5.3 connecting the drill stand fixing frame 5.1 and the sliding frame 5.2, a guide post 5.4 slidably mounted on the sliding frame 5.2, a drill box 5.5 mounted on the guide post 5.4 and a drill control unit 5.6 for controlling the drill; the guide post 5.4 is connected with the rotating mechanism 3.4 and the tilting oil cylinder 3.6.

The vehicle drilling process is as follows:

an upper support oil cylinder 1.2 in the temporary support 1 supports the top of the roadway, and a lower support oil cylinder 1.3 supports the bottom of the roadway; after the supporting is finished, a piston of a lifting oil cylinder 2.4 in the vertical lifting assembly 2 lifts to drive a lifting frame 2.2, a lifting pulley unit 2.5 and a lifting chain 2.6 to move, and a connecting frame 2.3 is dragged by the lifting chain 2.6 to lift at a speed twice that of the piston of the lifting oil cylinder 2.4; after the horizontal sliding assembly 3, the workbench 4 and the drill stand assembly 5 are lifted to a target height, the vertical lifting assembly 2 stops lifting, the platform turning plate 4.2 is opened, the drill stand assembly 5 is horizontally moved to a designated position by the sliding rail 3.2 in the horizontal sliding assembly 3, the rotating oil cylinder 3.5 is operated to enable the rotating mechanism 3.4 to rotate to adjust the included angle between the drill stand assembly 5 and a vertical plane, and the inclined oil cylinder 3.6 is operated to adjust the included angle between the drill stand assembly 5 and a horizontal plane, so that the adjustment of the drilling angle by the accurate anchoring and positioning device for the coal mine drill stand is realized.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.