CN111042842A

CN111042842A - Anchor cable hole construction method and anchor rod drill carriage

Info

Publication number: CN111042842A
Application number: CN201911329454.2A
Authority: CN
Inventors: 高飞; 肖永胜; 刘建; 要海萍; 张磊; 屈晓斌
Original assignee: Zhangjiakou Xuanhua Huatai Mining & Metallurgic Machinery Co ltd
Current assignee: Zhangjiakou Xuanhua Huatai Mining & Metallurgic Machinery Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-04-21

Abstract

The invention provides an anchor cable hole construction method and an anchor rod drill carriage, and belongs to the field of anchoring operation. The anchor cable hole construction method comprises the following steps: adopting an impact type rock drilling mode to drill a reference hole on the wall of the roadway, wherein the inner diameter of the reference hole is larger than that of the reference anchor cable hole, and the depth of the reference hole is smaller than that of the reference anchor cable hole; forming a forming hole at the hole bottom of the reference hole, wherein the hole diameter of the forming hole is the same as the inner diameter of the reference anchor cable hole, and the depth of the forming hole relative to the wall surface of the roadway is the same as the depth of the reference anchor cable hole; the datum hole is communicated with the forming hole to form an anchor cable hole. According to the anchor cable hole construction method, the reference hole is drilled on the wall of the roadway in an impact type rock drilling mode, the reference hole can be drilled in a hard area on the wall of the roadway rapidly, and the drilling efficiency is improved. The anchor rod drill carriage comprises a carriage body, a drill boom, a propelling mechanism, a rock drill and a drill rod replacing mechanism. The anchor rod drill carriage can be applied to the anchor cable hole construction method.

Description

Anchor cable hole construction method and anchor rod drill carriage

Technical Field

The invention belongs to the technical field of anchoring operation, and particularly relates to an anchor cable hole construction method and an anchor rod drill carriage.

Background

With the rapid growth of national economy in China, the acceleration of coal mine industrialization and mechanization processes, the urgent requirements of China on coal mine production safety, and the fact that coal resources are still in the leading low level of energy requirements for a long time, coal mines urgently need to push the original manual anchoring operation mode to the mechanical anchoring operation mode.

At present, a plurality of anchor rod drill trucks for coal mines exist in the market, and due to the fact that the diameter of an anchor cable hole is small and the depth of the anchor cable hole is large, the existing anchor rod drill trucks drill the anchor cable hole on the wall of a roadway through a drilling machine. However, for the harder rock area on the roadway wall, the anchor cable hole is drilled by a drilling machine, so that the efficiency is lower, and the progress of anchoring operation is influenced.

Disclosure of Invention

The invention aims to provide an anchor cable hole construction method and an anchor rod drill carriage, and aims to solve the technical problems that in the prior art, a drilling machine is adopted to drill an anchor cable hole in a harder area on a roadway wall, the efficiency is lower, and the progress of anchoring operation is influenced.

In order to achieve the purpose, the invention adopts the technical scheme that the anchor cable hole construction method comprises the following steps:

adopting an impact type rock drilling mode to drill a reference hole on the wall of the roadway, wherein the inner diameter of the reference hole is larger than that of the reference anchor cable hole, and the depth of the reference hole is smaller than that of the reference anchor cable hole;

forming a forming hole at the hole bottom of the reference hole, wherein the hole diameter of the forming hole is the same as the inner diameter of the reference anchor cable hole, and the depth of the forming hole relative to the wall surface of the roadway is the same as the depth of the reference anchor cable hole;

the datum hole is communicated with the forming hole to form an anchor cable hole.

As another embodiment of the present application, the punching a hole at the bottom of the reference hole includes:

drilling a middle hole at the bottom of the reference hole, wherein the inner diameter of the middle hole is smaller than that of the reference hole and larger than that of the reference anchor cable hole, and the depth of the middle hole relative to the wall surface of the roadway is smaller than that of the reference anchor cable hole;

punching the forming hole at the bottom of the middle hole;

the reference hole, the middle hole and the forming hole are communicated in sequence to form the anchor cable hole.

The anchor cable hole construction method provided by the embodiment of the invention has the beneficial effects that: compared with the prior art, the anchor cable hole construction method provided by the embodiment of the invention adopts an impact type rock drilling mode to drill the reference hole on the wall of the roadway, so that the reference hole can be quickly drilled in a harder area on the wall of the roadway, and the drilling efficiency is improved. The internal diameter of the datum hole is larger than that of the reference anchor cable hole, so that a drill rod with a larger thickness can be used for punching, the drill rod can bear the impact force of impact rock drilling, and the drill rod is prevented from being broken. And forming holes are punched at the hole bottoms of the reference holes, so that the depth of the forming holes relative to the hole bottoms of the reference holes is shallow, and the holes are punched more easily. The diameter of the forming hole is the same as the inner diameter of the reference anchor cable hole, and the depth of the forming hole relative to the wall surface of the roadway is the same as the depth of the reference anchor cable hole, so that the anchor cable hole formed by the reference hole and the forming hole can be normally anchored.

Another technical solution adopted by the present invention is to provide an anchor drill carriage, comprising:

a vehicle body;

the drill boom is arranged on the vehicle body and is provided with a positioning end with adjustable position and angle;

the propelling mechanism is arranged on the positioning end and is provided with a propelling part;

the rock drill is arranged on the propelling part and is used for drilling the reference hole and the forming hole in the anchor cable hole construction method in an impact rock drilling mode; and

and the drill rod replacing mechanism is arranged on the propelling mechanism, is positioned on the front side of the rock drill and is used for clamping the drill rod of the rock drill.

As another embodiment of the present application, the shank exchange mechanism comprises:

the clamping lifting mechanism is arranged on the propelling mechanism, is positioned on the front side of the rock drill and is provided with a clamping lifting end; and

the clamping mechanism is arranged on the clamping lifting end and used for clamping a drill rod on the rock drill;

the clamping lifting mechanism is used for driving the clamping mechanism to move along the radial direction of the drill rod.

As another embodiment of the present application, the number of the drill booms is two, the two drill booms are respectively disposed on two sides of the vehicle body, the positioning end of each drill boom is adjusted in a plane perpendicular to the traveling direction of the vehicle body, and the pushing mechanism is disposed on the positioning end of each drill boom.

As another embodiment of the present application, the drill boom includes:

one end of the telescopic swing arm is rotatably connected with the vehicle body, and a swing plane is vertical to the advancing direction of the vehicle body;

the rotating mechanism is arranged on the swinging end of the telescopic swing arm and is provided with a rotating seat, the rotating plane of the rotating seat is parallel to the swinging plane of the telescopic swing arm, and the rotating seat forms the positioning end; and

the swinging mechanism is arranged on the rotating seat and is provided with a swinging propelling mechanism mounting seat, and the mounting axis of the propelling mechanism mounting seat is parallel to the swinging rotating shaft of the propelling mechanism mounting seat.

As another embodiment of the present application, the swing rotation shaft of the propulsion mechanism mounting base is parallel to the rotation plane of the rotation base.

As another embodiment of the present application, the propulsion mechanism includes:

the pushing main beam is connected with the positioning end;

the rock drill mounting seat is arranged on the propulsion main beam in a sliding manner;

the advancing pulley is arranged on the advancing main beam in a sliding manner and is positioned on the front side of the rock drill mounting seat;

one end of the flexible propelling belt is connected with the rock drill mounting seat, and the other end of the flexible propelling belt bypasses the advancing pulley and is connected with the propelling main beam; and

and the propelling telescopic unit is arranged on the propelling main beam, and a telescopic end of the propelling telescopic unit is connected with the advancing pulley and is used for driving the advancing pulley to slide forwards along the propelling main beam so as to enable the advancing pulley to pull the rock drill mounting seat to slide forwards along the propelling main beam through the propelling belt.

As another embodiment of the present application, the propulsion mechanism further includes:

the backward pulley is arranged on the propulsion main beam in a sliding manner and is positioned behind the rock drill mounting seat; and

one end of the flexible backward belt is connected with the propulsion main beam, and the other end of the flexible backward belt bypasses the backward pulley and is connected with the rock drill mounting seat;

the retreating pulley is connected with the telescopic end of the propelling telescopic unit and is driven by the propelling telescopic unit to slide backwards along the propelling main beam, so that the retreating pulley pulls the rock drill mounting seat to slide backwards along the propelling main beam through the retreating belt.

As another embodiment of this application, be equipped with work platform on the automobile body, work platform includes:

the platform lifting mechanism is used for being connected with the anchor rod drill carriage body and is provided with a platform lifting end;

the near end of the first bedplate is hinged with the platform lifting end and is used for rotating to be attached to or unfolded from the vehicle body; and

and the second bedplate is stacked and connected with the first bedplate in a sliding manner and is used for sliding to be tiled and unfolded with the first bedplate.

The anchor rod drill carriage provided by the embodiment of the invention has the beneficial effects that: compared with the prior art, the anchor rod drill carriage provided by the embodiment of the invention has the advantages that the position and the angle of the propelling mechanism are adjusted through the positioning end of the drill boom, the rock drill is arranged on the propelling mechanism, the reference hole can be drilled on the wall of the roadway in an impact rock drilling mode, then the drill rod replacing mechanism can be used for rapidly replacing the drill rod and the drill bit with different diameters to drill the forming hole on the wall of the roadway, and the anchor cable hole is formed by the reference hole and the forming hole, so that the anchor rod drill carriage provided by the embodiment of the invention can be used for efficiently drilling the anchor cable hole in a harder area on the wall of the roadway.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a reference hole drilled by an anchor cable hole construction method according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a drilled hole according to an embodiment of the present invention;

FIG. 3 is a schematic view of a reference hole, an intermediate hole and a forming hole drilled by the anchor cable hole construction method according to another embodiment of the present invention;

FIG. 4 is a front view of a rock bolt drill rig provided in accordance with an embodiment of the present invention;

FIG. 5 is a top plan view of the rock bolt drill rig of FIG. 4;

FIG. 6 is a front view of a drill boom of the rock bolt drill rig provided in accordance with an embodiment of the present invention;

FIG. 7 is a side view of the rotation mechanism and swing mechanism of FIG. 6;

FIG. 8 is a perspective view of the drill boom of FIG. 6 in an extended state;

FIG. 9 is a front view of a propulsion mechanism of a rock bolt drill rig provided in accordance with an embodiment of the present invention;

FIG. 10 is a top view of FIG. 9;

fig. 11 is a top view of the rock drill mount, forward sheave and reverse sheave of fig. 10;

FIG. 12 is a perspective view of a work platform of the rock bolt drill rig provided in accordance with an embodiment of the present invention;

FIG. 13 is a bottom view of the work platform of FIG. 12;

FIG. 14 is a side view of the work platform of FIG. 12;

FIG. 15 is a half sectional view of the shank exchange mechanism of FIG. 9.

Wherein, in the figures, the respective reference numerals:

1-a drill boom; 11-a telescopic swing arm; 111-telescoping tubes; 112-arm body telescoping unit; 113-swing telescopic unit; 12-a rotation mechanism; 121-a rotating seat; 1211-scaffold; 122-a curved arm; 123-rotating the telescopic unit; 124-main rotating shaft; 125-ear plate; 13-a swing mechanism; 131-a propulsion mechanism mounting seat; 132-a mounting axis; 2-a propulsion mechanism; 21-propelling the main beam; 211-main guide; 212-a receiving space; 213-a fixing frame; 2131-a second connecting part; 22-a rock drill mount; 221-a first connection; 2211-column; 222-a front receiving groove; 223-back holding tank; 23-a forward pulley; 231-front wheel seat; 232-front wheel body; 24-a push belt; 25-propulsion telescoping unit; 26-a back-off pulley; 261-rear wheel seat; 262-rear wheel body; 27-retreating the belt; 3-a working platform; 31-a mounting seat; 32-a first platen; 321-a slide; 322-a first guardrail; 323-accommodating grooves; 324-unfolding the telescoping unit; 33-a second platen; 331-a second guardrail; 34-a platform lifting mechanism; 341-lifting guide rails; 342-a slide; 343-a lifting telescopic unit; 35-a turnover mechanism; 351-crank arm; 352-flip telescoping unit; 4-a vehicle body; 5-a rock drill; 6-drill rod replacing mechanism; 61-clamping the lifting mechanism; 611 — a stationary housing; 612-a sliding housing; 62-a clamping mechanism; 621-a clamping block; 7-a reference hole; 8-forming holes; 9-middle hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 3, a method for constructing an anchor cable hole according to an embodiment of the present invention will now be described. An anchor cable hole construction method comprises the following steps:

adopting an impact type rock drilling mode to drill a reference hole 7 on the wall of the roadway, wherein the inner diameter of the reference hole 7 is larger than that of the reference anchor cable hole, and the depth of the reference hole 7 is smaller than that of the reference anchor cable hole;

forming holes 8 are punched at the hole bottoms of the reference holes 7, the hole diameters of the forming holes 8 are the same as the inner diameters of the reference anchor cable holes, and the depth of the forming holes 8 relative to the wall surface of the roadway is the same as the depth of the reference anchor cable holes;

the datum hole 7 and the forming hole 8 are communicated to form an anchor cable hole.

Compared with the prior art, the anchor cable hole construction method provided by the embodiment of the invention adopts an impact rock drilling mode to drill the reference hole 7 on the wall of the roadway, so that the reference hole 7 can be quickly drilled in a harder area on the wall of the roadway, and the drilling efficiency is improved. The inner diameter of the reference hole 7 is larger than that of the reference anchor cable hole, so that a drill rod with a larger thickness can be used for punching, the drill rod can bear the impact force of impact rock drilling, and the drill rod is prevented from being broken. The hole 8 is punched at the bottom of the reference hole 7, so that the depth of the forming hole 8 relative to the bottom of the reference hole 7 is shallow, and the punching is easier. The aperture of the forming hole 8 is the same as the inner diameter of the reference anchor cable hole, and the depth of the forming hole 8 relative to the wall surface of the roadway is the same as the depth of the reference anchor cable hole, so that the anchor cable hole formed by the reference hole 7 and the forming hole 8 can be normally anchored.

In this embodiment, the reference anchor cable hole is a required common anchor cable hole. A reference hole 7 may be drilled in the wall of the tunnel by means of a rock drill 5 in the form of percussive rock drilling. A hexagonal or round common drill rod is connected into a drill rod tail of a rock drill 5, a drill bit is arranged at the upper part of the drill rod to drill holes, then the drill rod is connected into a quick-change drill rod, one end of a female thread of the quick-change drill rod is connected with the first common drill rod, one end of a male thread is connected with the drill rod tail of the rock drill 5, the holes are drilled continuously, the drill holes of the quick-change drill rod are continuously connected into the drill holes of the quick-change drill rod in the same mode until the depth requirement is met, finally, a reference hole 7 with the inner diameter larger than the inner diameter of a reference anchor cable hole is drilled, and.

And then, withdrawing the drill bit from the reference hole 7, replacing the drill rod meeting the requirement of the depth of the reference anchor cable hole and the drill bit meeting the requirement of the inner diameter of the reference anchor cable hole, coaxially drilling a forming hole 8 at the hole bottom of the reference hole 7 until the depth of the forming hole 8 relative to the wall surface of the roadway is the same as that of the reference anchor cable hole, and forming the anchor cable hole in a step form by the reference hole 7 and the forming hole 8.

Referring to fig. 1 to 3, as an embodiment of the anchor cable hole construction method provided by the present invention, a hole 8 is formed in the bottom of the reference hole 7 by percussion drilling. The punching efficiency of the forming holes 8 can be improved, and the construction speed of the anchor cable holes is further improved. The depth of the forming hole 8 relative to the bottom of the reference hole 7 is shallow, so that the drill rod can be prevented from being broken.

Referring to fig. 3, as a specific embodiment of the anchor cable hole construction method provided by the present invention, a forming hole 8 is drilled at the bottom of the reference hole 7, and the forming hole includes:

drilling a middle hole 9 at the bottom of the reference hole 7, wherein the inner diameter of the middle hole 9 is smaller than that of the reference hole 7 and larger than that of the reference anchor cable hole, and the depth of the middle hole 9 relative to the wall surface of the roadway is smaller than that of the reference anchor cable hole;

forming a hole 8 at the bottom of the middle hole 9;

the datum hole 7, the middle hole 9 and the forming hole 8 are communicated in sequence to form an anchor cable hole.

The depth of the middle hole 9 and the depth of the forming hole 8 are shallow, the drill rod can be prevented from being broken, and punching is conveniently carried out in an impact rock drilling mode. The datum hole 7, the middle hole 9 and the forming hole 8 are coaxial and are communicated in sequence to form a multi-section stepped anchor cable hole. The drilling of the intermediate hole 9 may be performed by drilling or percussive drilling.

Referring to fig. 4 to 15, there is provided a rock bolt drill carriage as an embodiment of the rock bolt drill carriage of the present invention, including: the device comprises a vehicle body 4, a drill boom 1, a propelling mechanism 2, a rock drill 5 and a drill rod replacing mechanism 6.

The drill boom 1 is arranged on the vehicle body 4 and is provided with a positioning end with adjustable position and angle. The pushing mechanism 2 is provided on the positioning end, and has a pushing portion. The rock drill 5 is arranged on the propelling part and is used for drilling the reference hole 7 and the forming hole 8 in the anchor cable hole construction method in an impact rock drilling mode. The drill rod replacing mechanism 6 is arranged on the propelling mechanism 2 and positioned on the front side of the rock drill 5 and used for clamping the drill rod of the rock drill 5.

Compared with the prior art, the anchor rod drill carriage provided by the embodiment of the invention has the advantages that the position and the angle of the propelling mechanism 2 are adjusted through the positioning end of the drill boom 1, the rock drill 5 is arranged on the propelling mechanism 2, the reference hole 7 can be drilled on the wall of the roadway in an impact type rock drilling mode, then the drill rod replacing mechanism 6 can be used for rapidly replacing drill rods and drill bits with different diameters to form the forming hole 8 on the wall of the roadway, and the reference hole 7 and the forming hole 8 form the anchor cable hole, so that the anchor rod drill carriage provided by the embodiment of the invention can efficiently drill the anchor cable hole in a harder area on the wall of the roadway.

Referring to fig. 9 and 15, as an embodiment of the rock-bolt drill carriage provided by the present invention, the drill rod exchanging mechanism 6 includes: a clamping elevating mechanism 61 and a clamping mechanism 62.

The clamping elevating mechanism 61 is provided on the propulsion mechanism 2, located on the front side of the rock drilling machine 5, and has a clamping elevating end. A clamping mechanism 62 is provided on the clamping elevation end for clamping a drill rod on the rock drilling machine 5. The clamping elevating mechanism 61 is used for driving the clamping mechanism 62 to move along the radial direction of the drill rod.

When changing the drill rod, the clamping mechanism 62 clamps the drill rod on the rock drill 5, and then the rock drill 5 loosens the drill rod, the rock drill 5 retreats by the advancing part of the advancing mechanism 2, so that the drill rod is separated from the rock drill 5. The clamping mechanism 62 is then lowered by the clamping elevator 61 to drive the clamping mechanism 62 to move radially along the drill rod, so that the drill rod is moved away from the front of the rock drill 5, facilitating the mounting of other drill rods on the rock drill 5.

In this embodiment, the clamping and lifting mechanism 61 includes a sliding housing 612, a fixed housing 611 sleeved outside the sliding housing 612, and a clamping and lifting hydraulic cylinder disposed in the fixed housing 611. The sliding housing 612 slides in the up-down direction inside the fixed housing 611, and the clamping lift cylinder pushes the sliding housing 612 to slide along the fixed housing 611. The clamping mechanism 62 is installed on the top of the sliding housing 612, the clamping mechanism 62 includes two horizontally opposite clamping blocks 621, the two clamping blocks 621 are driven by a hydraulic cylinder to approach each other, and the two clamping blocks 621 approach each other to clamp the middle drill rod.

Referring to fig. 5, as an embodiment of the anchor rod drill carriage provided by the present invention, two drill booms 1 are provided, the two drill booms 1 are respectively provided at two sides of the vehicle body 4, and a pushing mechanism 2 is provided at a positioning end of each drill boom 1.

Referring to fig. 4 to 8, as an embodiment of the anchor drill carriage provided in the present invention, the positioning end is adjusted in a plane perpendicular to the traveling direction of the vehicle body 4. By adopting the structure, the telescopic swing arm 11 can swing out to the side surface of the vehicle body 4 and can be adjusted in a two-dimensional section of a roadway, so that the adjustment is simpler and more convenient.

Referring to fig. 6 to 8, as an embodiment of the rock-bolt drill carriage provided in the present invention, a drill boom 1 includes: a telescopic swing arm 11, a rotating mechanism 12 and a swinging mechanism 13.

One end of the telescopic swing arm 11 is rotatably connected with the vehicle body 4, and the swing plane is vertical to the advancing direction of the vehicle body 4. The rotating mechanism 12 is disposed on the swing end of the telescopic swing arm 11 and has a rotating seat 121, the rotating plane of the rotating seat 121 is parallel to the swing plane of the telescopic swing arm 11, and the rotating seat 121 forms a positioning end. The swing mechanism 13 is provided on the rotating base 121, and has a swingable propulsion mechanism mounting base 131, and a mounting axis 132 of the propulsion mechanism mounting base 131 is parallel to a swing rotating shaft of the propulsion mechanism mounting base 131.

In this embodiment, when the drill boom 1 according to the embodiment of the present invention is installed, one end of the telescopic swing arm 11 is rotatably connected to the vehicle body 4, and the propulsion mechanism 2 is installed on the propulsion mechanism installation base 131 along the installation axis 132. During drilling operation, the position of the propelling mechanism 2 in a roadway is adjusted through the front and back movement of the vehicle body 4, and the position of the propelling mechanism 2 is preliminarily determined in a two-dimensional section of the roadway through the stretching and swinging of the telescopic swing arm 11. The angle of the propulsion mechanism 2 is adjusted by the rotation of the rotating base 121 by the rotating mechanism 12. The mounting axis 132 of the propulsion mechanism mount 131 is parallel to the swing pivot of the propulsion mechanism mount 131, so that the position of the propulsion mechanism 2 can be further finely adjusted by swinging the propulsion mechanism mount 131 while keeping the angle of the propulsion mechanism 2 unchanged. According to the drill boom 1, the angle adjustment and the position adjustment of the propelling mechanism 2 are separated, the position of the propelling mechanism 2 can be further finely adjusted, the operation is convenient and rapid, the position and the angle of the anchor cable hole can be accurately controlled, and the working efficiency is improved.

In this embodiment, the telescopic swing arm 11 is axially telescopic, and has a lower end hinged to the body 4 of the jumbolter and an upper end serving as a swing end. The rotating mechanism 12 is fixed on the swing end of the telescopic swing arm 11, the rotating mechanism 12 is provided with a rotating seat 121, and the rotating seat 121 can be driven by a hydraulic cylinder to rotate. The rotating shaft of the rotating seat 121 and the rotating shaft of the telescopic swing arm 11 hinged with the vehicle body 4 are parallel, so that the rotating plane of the rotating seat 121 is parallel to the swinging plane of the telescopic swing arm 11. The swing mechanism 13 is fixedly installed on the rotating base 121 and rotates along with the rotating base 121. The swing mechanism 13 is provided with a propulsion mechanism mounting seat 131, and the propulsion mechanism mounting seat 131 can be driven to rotate by a rotary oil cylinder. After the propulsion mechanism 2 is mounted on the propulsion mechanism mounting seat 131, the position of the propulsion axis of the propulsion mechanism is the mounting axis 132 of the propulsion mechanism mounting seat 131. The mounting axis 132 of the propulsion mechanism mount 131 is parallel to the swing rotation axis of the propulsion mechanism mount 131, so that when the propulsion mechanism mount 131 swings, the position of the propulsion mechanism 2 mounted on the propulsion mechanism mount 131 changes without changing the direction of the propulsion axis.

Referring to fig. 6 to 8, as an embodiment of the rock-bolt drill carriage provided by the present invention, the swing rotation axis of the propulsion mechanism mounting seat 131 is parallel to the rotation plane of the rotation seat 121. With the structure, the installation axis 132 of the propulsion mechanism installation seat 131 is parallel to the swing rotating shaft of the propulsion mechanism installation seat 131, and the swing rotating shaft of the propulsion mechanism installation seat 131 is parallel to the rotating plane of the rotating seat 121, so that the installation axis 132 of the propulsion mechanism installation seat 131 is always parallel to the rotating plane of the rotating seat 121, and the angle of the propulsion mechanism 2 installed along the installation axis 132 can be adjusted more conveniently through the rotation of the rotating seat 121.

More specifically, the rotating mechanism 12 is configured to rotate the propulsion mechanism mount 131 until the mounting axis 132 is folded with the telescopic swing arm 11, and the swinging mechanism 13 is configured to swing the propulsion mechanism mount 131 to the front side or the rear side of the telescopic swing arm 11 when the mounting axis 132 is folded with the telescopic swing arm 11.

In this embodiment, in use, the propulsion mechanism 2 is mounted on the propulsion mechanism mounting seat 131 along the mounting axis 132, and the rotating mechanism 12 rotates the propulsion mechanism mounting seat 131 until the mounting axis 132 is folded with the telescopic swing arm 11, so that the propulsion mechanism 2 is folded with the telescopic swing arm 11. The two sides of the telescopic swing arm 11 in the direction of the self rotation axis are respectively a front side and a rear side. Swing mechanism 13 can swing advancing mechanism mount pad 131 to the front side or the rear side of flexible swing arm 11 for swing mechanism 13 can swing advancing mechanism 2 on advancing mechanism mount pad 131 to the front side or the rear side of flexible swing arm 11, thereby changes advancing mechanism 2 and the folding direction of flexible swing arm 11, avoids advancing mechanism 2 and the folding back protrusion of flexible swing arm 11 outside automobile body 4, leads to the increase in volume of automobile body 4, influences current. For example, the telescopic swing arm 11 is rotatably mounted on the side of the vehicle body 4, the swing plane of the telescopic swing arm 11 and the rotation plane of the rotation seat 121 of the rotation mechanism 12 are perpendicular to the traveling direction of the vehicle body 4, the rotation mechanism 12 can fold the propulsion mechanism 2 and the telescopic swing arm 11 in the width direction of the vehicle body 4, at this time, the width of the anchor rod drill carriage is increased by the propulsion mechanism 2 and the telescopic swing arm 11, in this case, the propulsion mechanism mounting seat 131 is swung to the front side or the rear side of the telescopic swing arm 11 through the swing mechanism 13, and the width of the anchor rod drill carriage can be reduced.

More specifically, the rotating mechanism 12 includes: a bent arm 122 and a rotary telescopic unit 123. The curved arm 122 is rotatably disposed on the swing end of the telescopic swing arm 11, the rotation shaft of the curved arm 122 is perpendicular to the swing plane of the telescopic swing arm 11, and the rotating seat 121 is connected to the curved arm 122. The rotary telescopic unit 123 is disposed on the telescopic swing arm 11, and a telescopic end of the rotary telescopic unit is hinged to a swing end of the curved arm 122, and is configured to drive the curved arm 122 to drive the rotary seat 121 to rotate. The rotating seat 121 is driven to rotate by driving the bent arm 122 to rotate through the rotating telescopic unit 123, the structure is simple, a hydraulic oil cylinder with lower cost can be used as the rotating telescopic unit 123, the bearing capacity is stronger, and the operation is more stable.

In this embodiment, the length of the curved arm 122 can be designed to adjust the telescopic driving force and the telescopic length of the rotary telescopic unit 123, so as to meet the requirement of the rotation range of the rotating base 121. Specifically, the rotating base 121 may be directly connected to the free end of the curved arm 122, or may be connected to the rotating shaft of the curved arm 122. The bent arm 122 is bent such that a free end of the bent arm 122 is perpendicular to a telescopic end of the rotary telescopic unit 123.

More specifically, the swing end of the telescopic swing arm 11 is provided with two oppositely arranged ear plates 125, a main rotating shaft 124 is arranged between the two ear plates 125, and the curved arm 122 is located between the two ear plates 125 and connected with the main rotating shaft 124; one end of the main shaft 124 penetrates out of the two ear plates 125, and the rotating seat 121 is located outside the two ear plates 125 and connected with the end of the main shaft 124 penetrating out of the two ear plates 125. By adopting the structure, the whole structure is more compact, and the connection strength of the bent arm 122 and the swing end of the telescopic swing arm 11 can be increased.

In this embodiment, the rotating base 121 may be a flat plate perpendicular to the rotating shaft of the curved arm 122. The swing mechanism 13 is mounted on the rotating base 121 by means of bolting or welding.

More specifically, as an embodiment of the drill boom 1 provided by the present invention, the swing mechanism 13 comprises a rotary cylinder, a rotating shaft of the rotary cylinder is parallel to a rotating plane of the rotating seat 121, and the propulsion mechanism mounting seat 131 is connected with the rotating shaft of the rotary cylinder. The rotary oil cylinder can be connected with a hydraulic system of the vehicle body 4, the use is convenient, and the driving force is sufficient.

More specifically, as a specific embodiment of the drill boom 1 provided in the present invention, the rotating seat 121 is provided with two brackets 1211, and two ends of the rotating cylinder are respectively connected to the two brackets 1211; two ends of the rotating shaft of the rotary oil cylinder extend out of two ends of the rotary oil cylinder respectively, and the propulsion mechanism mounting seat 131 is connected with two ends of the rotating shaft of the rotary oil cylinder respectively. The structure has higher strength and more stable operation.

In this embodiment, the two brackets 1211 are respectively provided with mounting holes, and two ends of the rotary cylinder are respectively clamped in the two mounting holes. The rotary oil cylinder is of a type that a rotating shaft extends out from two ends, two connecting arms extend out of the propulsion mechanism mounting seat 131, and the two connecting arms are respectively connected with two ends of the rotating shaft of the rotary oil cylinder.

More specifically, as a specific embodiment of the drill boom 1 provided in the present invention, the telescopic swing arm 11 includes: telescopic tube 111, arm body telescopic unit 112, and swing telescopic unit 113.

One end of the telescopic tube 111 is rotatably connected with the vehicle body 4, and the free end forms the swing end of the telescopic swing arm 11. The arm body telescopic unit 112 is disposed in the telescopic tube 111, and is configured to drive the telescopic tube 111 to extend and retract. One end of the swing telescopic unit 113 is hinged with the free end of the telescopic tube 111, and the other end is hinged with the vehicle body 4 and used for driving the telescopic tube 111 to swing.

In this embodiment, the telescopic tube 111 is formed by a plurality of tubes coaxially sleeved together in a sliding manner, so that the telescopic tube 111 can be extended and retracted, the lower end of the telescopic tube 111 is used for being hinged to the vehicle body 4, and the upper end of the telescopic tube is used for installing the rotating mechanism 12. The arm body extension unit 112 may be a hydraulic cylinder, the arm body extension unit 112 is coaxially disposed in the innermost tube of the telescopic tube 111, the lower end of the arm body extension unit 112 is fixed to the lower end of the telescopic tube 111, and the upper end of the arm body extension unit is fixed to the upper end of the telescopic tube 111. The swing telescopic unit 113 may be a hydraulic cylinder, and the lower end of the swing telescopic unit 113 is hinged to the vehicle body 4, and the upper end of the swing telescopic unit 113 is hinged to the upper end of the outermost pipe body of the telescopic pipe 111, so as to push the telescopic pipe 111 to swing.

Referring to fig. 9 to 11, as an embodiment of the rock-bolt drill carriage provided in the present invention, the propulsion mechanism 2 includes: a propulsion main beam 21, a rock drill mount 22, a forward pulley 23, a propulsion belt 24 and a propulsion telescopic unit 25.

The propulsion main beam 21 is connected with the positioning end. The rock drill mount 22 is slidably mounted on the propulsion main beam 21. The forward pulley 23 is slidably mounted on the propulsion main beam 21 and is located forward of the rock drill mount 22. A flexible propulsion belt 24 is connected at one end to the rock drill mounting 22 and at the other end to the propulsion main beam 21, passing around the forward pulley 23. The propelling telescopic unit 25 is arranged on the propelling main beam 21, and a telescopic end of the propelling telescopic unit is connected with the advancing pulley 23 and used for driving the advancing pulley 23 to slide forwards along the propelling main beam 21 so as to enable the advancing pulley 23 to pull the rock drill mounting seat 22 to slide forwards along the propelling main beam 21 through the propelling belt 24.

Compared with the prior art, in the propulsion mechanism 2 provided by the embodiment of the invention, the propulsion telescopic unit 25 drives the forward pulley 23 to slide forwards along the propulsion main beam 21, so that the forward pulley 23 pulls the rock drill mounting seat 22 to slide forwards along the propulsion main beam 21 through the propulsion belt 24, and the distance of the forward sliding of the rock drill mounting seat 22 is greater than the length of the extension of the propulsion telescopic unit 25, so that the propulsion mechanism 2 provided by the embodiment of the invention can realize a larger propulsion distance only by a smaller oil cylinder, and the cost of the anchor rod drill carriage is reduced.

In this embodiment, the pushing main beam 21 is used to be fixedly installed on the positioning end of the drill boom 1, and the position and direction are adjusted by the positioning end of the drill boom 1. The rock drill mount 22 slides back and forth along the axis of the propulsion main beam 21, the rock drill mount 22 being used for mounting the rock drill 5. The forward sheave 23 slides back and forth along the axis of the propulsion main beam 21 and is located in front of the rock drill mounting 22. When the propulsion extension unit 25 extends to push the forward pulley 23 to slide forward along the propulsion main beam 21, since one end of the propulsion belt 24 is fixed with the propulsion main beam 21, the other end of the propulsion belt 24 pulls the rock drill mounting seat 22 to slide forward along the propulsion main beam 21, and the sliding distance of the rock drill mounting seat 22 is twice the extension length of the propulsion extension unit 25. Specifically, the propulsion belt 24 may be a steel wire rope.

Referring to fig. 9 to 11, as an embodiment of the rock-bolt drill carriage provided in the present invention, the propelling mechanism 2 further includes: a reverse pulley 26 and a flexible reverse belt 27.

The backward pulley 26 is slidably disposed on the propulsion main beam 21 and behind the rock drill mount 22. A flexible retraction strap 27 is connected at one end to the main propulsion beam 21 and at the other end to the rock drill mount 22, passing around the retraction pulley 26. The backward pulley 26 is connected with the telescopic end of the propulsion telescopic unit 25 and is used for being driven by the propulsion telescopic unit 25 to slide backwards along the propulsion main beam 21, so that the backward pulley 26 pulls the rock drill mounting seat 22 to slide backwards along the propulsion main beam 21 through a backward belt 27.

The propulsion retraction unit 25 drives the retraction pulley 26 to slide backwards along the propulsion main beam 21, causing the retraction pulley 26 to pull the jack rig mount 22 through the retraction belt 27 to slide backwards along the propulsion main beam 21. The distance that the rock drill mounting seat 22 slides backwards is greater than the length that the propelling telescopic unit 25 contracts, so that the propelling mechanism 2 of the embodiment of the invention can realize a larger retreating distance only by a smaller oil cylinder, and the cost of the anchor rod drill carriage is reduced.

In this embodiment, the backward pulley 26 slides back and forth along the axis of the propulsion main beam 21 and is located behind the rock drill mount 22. When the propelling telescopic unit 25 contracts to drive the retreating pulley 26 to slide backwards along the propelling main beam 21, one end of the retreating belt 27 is fixed with the propelling main beam 21, the other end of the retreating belt 27 pulls the rock drill mounting seat 22 to slide backwards along the propelling main beam 21, and the sliding distance of the rock drill mounting seat 22 is twice of the contraction length of the propelling telescopic unit 25. Specifically, the retraction belt 27 may be a wire rope.

More specifically, as a specific embodiment of the propulsion mechanism 2 provided by the present invention, the propulsion main beam 21 includes two main guide rails 211 parallel to each other, the rock drill mounting seat 22 is slidably connected to the two main guide rails 211, and the forward pulley 23 is slidably connected to the two main guide rails 211; an accommodating space 212 is formed between the two main guide rails 211; the propelling telescopic unit 25 is disposed in the accommodating space 212, and the telescopic direction is parallel to the axial direction of the main guide rail 211. The structure of this embodiment is more compact, and the joint strength of rock drill mount 22 and propulsion girder 21 is higher.

In this embodiment, an accommodating space 212 is formed between the two main guide rails 211, and the front ends and the rear ends of the two main guide rails 211 are connected to each other to form a whole. The propulsion telescopic unit 25 may be a hydraulic cylinder, and the propulsion telescopic unit 25 is located in the accommodation space 212 and fixed with the front ends of the two main rails 211. The rock drill mount 22 is slidably connected to the two main guide rails 211 through two slide blocks, respectively, and the forward pulley 23 is slidably connected to the two main guide rails 211 through two slide blocks, respectively.

In this embodiment, the backward pulley 26 and the backward belt 27 in the above embodiments may be further provided, and the backward pulley 26 is slidably connected to the two main guide rails 211 through two sliding blocks.

More specifically, as a specific embodiment of the propulsion mechanism 2 provided by the present invention, the sheave of the forward pulley 23 and the sheave of the backward pulley 26 are located in the same reference plane; the rock drill mounting seat 22 is provided with a first connecting part 221 positioned in a reference plane, the propulsion main beam 21 is provided with a fixed frame 213, and the fixed frame 213 is provided with a second connecting part 2131 positioned in the reference plane; both ends of the push belt 24 are connected to the first connection portion 221 and the second connection portion 2131, respectively, and both ends of the retreat belt 27 are connected to the first connection portion 221 and the second connection portion 2131, respectively. With this configuration, the advancing belt 24 and the retreating belt 27 can be prevented from coming out of the sheave of the advancing pulley 23 and the sheave of the retreating pulley 26, and stable operation for a long time can be ensured.

In this embodiment, the first connection portion 221 of the rockdrill mount 22 may be fixed to the ends of the push belt 24 and the retraction belt 27 by hooking, clamping, or the like. The lower end of the fixing bracket 213 is fixed to the side surface of the main pushing beam 21, the upper end of the fixing bracket 213 is inserted into the reference surface and is provided with a second connecting portion 2131, and the second connecting portion 2131 can be fixed to the end portions of the pushing belt 24 and the retreating belt 27 by means of hooking, clamping, and the like.

More specifically, as an embodiment of the propelling mechanism 2 provided by the present invention, the first connecting portion 221 includes two columns 2211, the end of the propelling belt 24 is provided with a first hanging ring sleeved on one column 2211, and the end of the retreating belt 27 is provided with a second hanging ring sleeved on the other column 2211. With this structure, the detachment of the push belt 24 and the retreat belt 27 from the first connection portion 221 is facilitated.

In this embodiment, the first connection portion 221 includes two columns 2211 that vertically pass through the reference plane. The end of the propelling belt 24 is looped to form a first hanging ring, and the first hanging ring is sleeved on the column 2211, so that the end of the propelling belt 24 is connected with the first connecting portion 221. The end of the backward belt 27 is looped to form a second hanging ring, and the second hanging ring is sleeved on the other column 2211, so that the end of the backward belt 27 is connected to the first connection portion 221.

More specifically, as one specific embodiment of the propulsion mechanism 2 provided by the present invention, the forward pulley 23 includes: a front wheel seat 231 and a front wheel body 232.

Front wheel seat 231 and propulsion girder 21 sliding connection, the rear end face of front wheel seat 231 is used for spacing with the front end butt of rock drill mount pad 22. The front wheel body 232 is rotatably disposed on the front wheel seat 231, and the propelling belt 24 is wound on the front wheel body 232. By adopting the structure, the connection structure of the end part of the propelling belt 24 and the rock drill mounting seat 22 can be prevented from influencing the abutting limit of the rear end surface of the front wheel seat 231 and the front end of the rock drill mounting seat 22.

In this embodiment, the front wheel seat 231 is slidably connected to the propulsion main beam 21 via a slider, and the rear end surface thereof is opposite to the front end of the rock drill mount 22. When the jack hammer mount 22 advances, it slides forward until it abuts against the rear end surface of the front wheel seat 231, and the jack hammer mount 22 is restricted from advancing to a limit position. The periphery of the front wheel body 232 is provided with a wheel groove, and the propelling belt 24 is wound in the wheel groove of the front wheel body 232.

More specifically, as an embodiment of the propulsion mechanism 2 according to the invention, the front end of the rock drill mount 22 is provided with a front receiving groove 222, and the connection of the end of the propulsion belt 24 to the rock drill mount 22 is located in the front receiving groove 222.

In this embodiment, the propulsion main beam 21 comprises two main rails 211 parallel to each other. The rock drill mounting seat 22 may be a sub-seat body including two sub-seat bodies connected together, a gap is provided between the sub-seat bodies, a front receiving groove 222 is provided in a front portion of the gap, and the two sub-seat bodies are slidably connected to the two main guide rails 211, respectively. The rock drill mount 22 includes a post 2211 positioned in the front receiving slot 222 and the end of the push belt 24 extends into the front receiving slot 222 to connect with the post 2211.

More specifically, as one specific embodiment of the propulsion mechanism 2 provided by the present invention, the backward pulley 26 includes: rear wheel seat 261 and rear wheel body 262.

Rear wheel seat 261 and propulsion girder 21 sliding connection, the preceding terminal surface of rear wheel seat 261 is used for spacing with the rear end butt of rock drill mount pad 22. The rear wheel body 262 is rotatably provided on the rear wheel base 261, and the retraction belt 27 is wound around the rear wheel body 262.

In this embodiment, the rear wheel seat 261 is slidably connected to the propulsion main beam 21 via a slider, and the front end surface thereof is opposite to the rear end of the rock drill mount 22. When the rock drill mounting seat 22 retreats, it slides backward until it abuts against the front end face of the rear wheel seat 261, limiting the limit position of the backward movement of the rock drill mounting seat 22. The rear wheel body 262 is provided with a wheel groove on the periphery, and the backward belt 27 is wound in the wheel groove of the front wheel body 232.

More specifically, as an embodiment of the propulsion mechanism 2 provided by the present invention, the rear end of the rock drill mount 22 is provided with a rear receiving groove 223, and the connection structure of the end of the retraction belt 27 and the rock drill mount 22 is located in the rear receiving groove 223.

In this embodiment, the propulsion main beam 21 comprises two main rails 211 parallel to each other. The rock drill mounting seat 22 may be a sub-seat body including two sub-seat bodies connected together, a gap is provided between the sub-seat bodies, a rear receiving groove 223 is provided at the rear portion of the gap, and the two sub-seat bodies are slidably connected with the two main guide rails 211, respectively. The rock drill mount 22 includes a post 2211 located in the rear receiving groove 223 and the end of the retraction strap 27 extends into the front receiving groove 222 to connect with the post 2211.

Referring to fig. 12 to 14, as an embodiment of the anchor rod drill carriage provided by the present invention, a working platform 3 is provided on the carriage body 4, and the working platform 3 includes: a platform lift mechanism 34, a first platen 32, and a second platen 33.

The platform lift mechanism 34 is adapted to be connected to the jumbolter car body 4 and has a platform lift end. The proximal end of the first deck 32 is hinged to the platform lift end for rotation to either abut or spread the vehicle body 4. The second platen 33 is stacked on the first platen 32 and slidably connected thereto for sliding to lie flat against the first platen 32.

Compared with the prior art, when the working platform 3 provided by the embodiment of the invention is used, the platform lifting mechanism 34 is arranged on the anchor rod drill carriage body 4, the second platform plate 33 rotates to be unfolded with the vehicle body 4, and the second platform plate 33 slides to be laid and unfolded with the first platform plate 32, so that a worker can operate on the first platform plate 32 and the second platform plate 33; the second bedplate 33 slides to be arranged in a stacked mode with the first bedplate 32, and the first bedplate 32 rotates to be attached to the vehicle body 4, so that the size of the working platform 3 is reduced, the size of the anchor rod drill carriage is reduced, and the anchor rod drill carriage can move and operate flexibly.

In this embodiment, the platform lifting mechanism 34 can drive the first platen 32 and the second platen 33 to lift, so as to adjust the height of the worker on the first platen 32 and the second platen 33, thereby facilitating the operation of the worker. In this embodiment, the platform lifting mechanism 34 may be a vertical column 2211 and a sliding sleeve, and the proximal end of the first platform 32 is hinged to the sliding sleeve. The platform lift mechanism 34 may also be configured with vertical lift rails 341 that cooperate with slides 342 on which the proximal end of the first platen 32 is hinged.

The platform lifting mechanism 34 may be a slide rail and slide block fit, and the slide block forms a platform lifting end by driving the slide block with a hydraulic cylinder. The platform lifting mechanism 34 may also be a screw and nut fit arrangement, with the nut forming the platform lifting end.

In this embodiment, one end of the first platen 32 is a proximal end near the platform lift end and the other end is a distal end away from the platform lift end. The hinge joint of the near end of the first bedplate 32 and the lifting end of the platform can be used for enabling the first bedplate 32 to rotate up and down, and the first bedplate 32 is rotated to be vertical by being close to the vehicle body 4 so as to be attached to the side surface of the vehicle body 4; the first deck 32 is unfolded from the vehicle body 4 by rotating to the horizontal away from the vehicle body 4.

In this embodiment, the second platen 33 may be stacked and disposed on the lower side or the upper side of the first platen 32. The second platen 33 and the first platen 32 may be slid relative to each other with the platens held parallel to each other so that the second platen 33 can be slid into flat deployment with the first platen 32. Specifically, the sliding connection between the slide rail and the slide block can be realized through a structure that the slide rail and the slide block are matched.

More specifically, as a specific embodiment of the work platform 3 provided in the present invention, the platform elevating mechanism 34 includes: two elevating guide rails 341, a slider 342, and an elevating telescopic unit 343.

The two elevating guide rails 341 are parallel to each other and are for vertical mounting on the vehicle body 4. The sliding base 342 is slidably connected to the two lifting rails 341, respectively, to form a platform lifting end. The lifting telescopic unit 343 is located between the two lifting rails 341, the telescopic direction is parallel to the lifting rails 341, one end is connected with the sliding base 342, and the other end is used for connecting with the vehicle body 4, and is used for pushing the sliding base 342 to slide along the lifting rails 341. By adopting the platform lifting mechanism 34, the structure is more compact, the two lifting guide rails 341 are in sliding fit with the sliding seat 342, the bearing capacity is stronger, and the reliability is higher.

In this embodiment, the two lifting rails 341 are vertically fixed to the side surface of the vehicle body 4 by bolts, respectively, so that the sliding base 342 can vertically slide up and down. The lifting telescopic unit 343 can adopt a hydraulic cylinder, the lifting telescopic unit 343 is vertically arranged, the lower end of the lifting telescopic unit 343 is fixed with the vehicle body 4, and the upper end of the lifting telescopic unit 343 is fixed with the sliding base 342.

More specifically, as a specific embodiment of the working platform 3 provided by the present invention, the working platform 3 further includes a turnover mechanism 35 for driving the first platen 32 to rotate, and the turnover mechanism 35 includes a crank arm 351 and a turnover telescopic unit 352.

The crank arm 351 is connected to the first platen 32 on the proximal side of the first platen 32. The turning telescopic unit 352 is disposed between the lifting end of the platform and the free end of the crank arm 351, and is used for pushing the free end of the crank arm 351, so that the crank arm 351 drives the first platen 32 to rotate. The crank arm 351 is located on one side of the near end of the first platen 32, and the turnover telescopic unit 352 drives the first platen 32 to rotate through the crank arm 351, so that the turnover telescopic unit 352 can be closer to the vehicle body 4, and interference between the turnover telescopic unit 352 and other objects in the external chemical environment is avoided.

In this embodiment, the proximal end of the first platen 32 is hinged to the platform lift end so that the first platen 32 can be flipped upside down. One end of the crank arm 351 is integrally formed with the proximal end of the first platen 32 or welded thereto, and the other end of the crank arm 351 is free and faces the platform elevation end. The turning telescopic unit 352 may be a hydraulic cylinder, the turning telescopic unit 352 is vertically disposed, and the upper end of the turning telescopic unit 352 is hinged to the upper portion of the lifting end of the platform, and the lower end of the turning telescopic unit 352 is hinged to the free end of the crank arm 351. The crank arm 351 and the first platen 32 form a labor-consuming lever structure with a hinge shaft at the proximal end of the first platen 32 as a fulcrum, so that the overturning telescopic unit 352 expands and contracts by a small length to drive the first platen 32 to overturn by a large angle.

More specifically, as a specific embodiment of the working platform 3 provided by the present invention, the first platen 32 is provided with a sliding member 321, and the sliding direction of the sliding member 321 is parallel to the sliding direction of the second platen 33; the work platform 3 further comprises a first guardrail 322 positioned at the edge of the first platen 32, one end of the first guardrail 322 is rotatably connected with the sliding member 321, and the other end is rotatably connected with the second platen 33 and is used for rotating to be overlapped with the first platen 32; during the sliding of the second platen 33 to lie flat against the first platen 32, the first fence 322 follows the second platen 33 and slides along the first platen 32 via the slide 321.

The first guard rail 322 is provided at the edge of the first platen 32 to prevent an operator from falling. First fence 322 rotates to overlap first platen 32 to enable avoidance of objects in the environment. When the second platen 33 and the first platen 32 are laid flat, the first fence 322 slides along the second platen 33, so that the first fence 322 can be protected at the edge of the second platen 33. The first guard rail 322 may be rotated to be layered with the first platen 32 before the first platen 32 is rotated to be attached to the vehicle body 4, so that the first platen 32 can be attached to the vehicle body 4.

In this embodiment, a guide rail parallel to the sliding direction of the second platen 33 is provided on the back surface of the first platen 32, the axial direction of the guide rail is parallel to the direction from the proximal end to the distal end of the first platen 32, and the slider 321 is slidably provided on the guide rail. Specifically, the back surface of the first platen 32 is provided with two parallel guide rails, and the two guide rails are respectively perpendicular to the direction from the proximal end to the distal end of the first platen 32; the sliding member 321 is a long strip-shaped transverse plate, two ends of the sliding member 321 are slidably connected to the two guide rails, respectively, one end of the sliding member 321 extends out from the edge of the first bedplate 32 where the first guardrail 322 is disposed, and the lower portion of the first guardrail 322 is hinged to the extending end portion of the sliding member 321.

More specifically, as a specific embodiment of the working platform 3 provided by the present invention, a second guardrail 331 is hinged on the second bedplate 33, and the second guardrail 331 is used for rotating to be overlapped with the first bedplate 32 or the second bedplate 33; the second guard rail 331 is angled with respect to the first guard rail 322 and is configured to support each other. The second guard rail 331 prevents the operator from falling off, and the second guard rail 331 is used to rotate to overlap the first platen 32 or the second platen 33 to avoid objects in the environment. Before the first platen 32 is rotated to be attached to the vehicle body 4, the second guard rail 331 may be rotated to be stacked on the first platen 32 so that the first platen 32 can be attached to the vehicle body 4.

In this embodiment, the included angle between the second guard rail 331 and the first guard rail 322 is 90 degrees. The underside of the second guard rail 331 and the side of the second deck 33 remote from the body 4 are hinged so that the second guard rail 331 can be rotated to stack with the first deck 32 or the second deck 33. Specifically, the first platen 32 and the second platen 33 are rectangular and are stacked, the first guardrail 322 is located on the side of the first platen 32 perpendicular to the vehicle body 4, the second guardrail 331 is located on the side of the second platen 33 away from the vehicle body 4, and the ends of the first guardrail 322 and the second guardrail 331 are adjacent. When the first guardrail 322 and the first bedplate 32 are unfolded and the second guardrail 331 and the second bedplate 33 are unfolded, the adjacent end parts of the first guardrail 322 and the second guardrail 331 can be fixed together by binding ropes or setting a clamping structure, setting an inserting structure and the like, so that the first guardrail 322 and the second guardrail 331 stop rotating to form mutual support.

More specifically, as an embodiment of the work platform 3 provided by the present invention, the sliding direction of the second platen 33 is parallel to the distal end orientation of the first platen 32, and the second platen 33 is adapted to slide to the distal end side of the first platen 32. This arrangement allows the second deck 33 to slide out and be further away from the vehicle body 4, so that the worker can work at a position further away from the vehicle body 4.

More specifically, as an embodiment of the working platform 3 provided by the present invention, the back surface of the first platen 32 is provided with a receiving groove 323, the second platen 33 is located in the receiving groove 323, and the distal end of the receiving groove 323 is provided with an opening for the second platen 33 to slide out; two side walls of the accommodating groove 323 are respectively provided with a sliding groove, and two side edges of the first bedplate 32 are respectively arranged in the two sliding grooves in a sliding manner; an expansion and contraction unit 324 is arranged between the first platen 32 and the second platen 33, is positioned in the accommodating groove 323, and has an expansion and contraction direction parallel to the sliding direction of the second platen 33. The embodiment has compact structure, can avoid the interference between the first bedplate 32 and the telescopic unit and external objects, and has high reliability.

In this embodiment, two opposite edges of the back surface of the first platform plate 32 are respectively provided with a side plate, the two side plates and the back surface of the first platform plate 32 enclose a receiving groove 323, one end of the receiving groove 323 close to the vehicle body 4 is a far end, and one end far away from the vehicle body 4 is a near end. The two side plates are two side walls of the accommodating groove 323, and the inner sides of the two side plates are respectively provided with sliding grooves which are parallel to each other and are parallel to the distal end of the first bedplate 32. The second platen 33 may slide into the receiving groove 323 or may slide out of the distal opening of the receiving groove 323 to the distal side of the first platen 32. The telescopic direction of the telescopic unit is parallel to the sliding direction of the second bedplate 33, and two ends of the telescopic unit are respectively connected with the first bedplate 32 and the second bedplate 33, so that the telescopic unit can drive the second bedplate 33 to slide out of the accommodating groove 323 or slide into the accommodating groove 323.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A construction method of an anchor cable hole is characterized by comprising the following steps:

2. The anchor cable hole construction method as claimed in claim 1, wherein said drilling a hole in the bottom of the reference hole comprises:

punching the forming hole at the bottom of the middle hole;

3. A rock bolt drill carriage, comprising:

a vehicle body;

a rock drill provided on the propelling part for drilling the reference hole and the forming hole in the anchor cable hole construction method according to claim 1 or 2 by means of impact rock drilling; and

4. The rock-bolt drill carriage of claim 3, wherein the shank-replacement mechanism comprises:

5. A jumbolter as claimed in claim 3, wherein there are two drill booms, two of which are provided on both sides of the car body, respectively, the positioning end of each drill boom being adjusted in a plane perpendicular to the traveling direction of the car body, the pushing mechanism being provided on the positioning end of each drill boom.

6. A roof bolt drilling carriage as claimed in any of claims 3 to 5, wherein the drill boom comprises:

7. The rock-bolt drill carriage of claim 6, wherein the axis of rotation of the oscillation of the propulsion mechanism mount is parallel to the plane of rotation of the rotatable base.

8. A roof bolt drilling carriage as claimed in any of claims 3 to 5, wherein the propulsion mechanism comprises:

the pushing main beam is connected with the positioning end;

9. The rock-bolt drill carriage of claim 8, wherein the propulsion mechanism further comprises:

10. A roof bolt drill carriage as claimed in any one of claims 3 to 5, wherein a working platform is provided on the carriage body, the working platform comprising: