阅读说明：本技术 一种用于煤矿坑道的连续导管作业装备及作业方法 (Continuous guide pipe operation equipment and operation method for coal mine tunnel ) 是由 谢和平 高明忠 赵乐 陈领 李佳南 李聪 何志强 吴年汉 杨明庆 余波 于 2020-04-27 设计创作，主要内容包括：本发明公开一种用于煤矿坑道的连续导管作业装备及作业方法,包括卷盘装置、传递装置,卷盘装置、传递装置分体设置,卷盘装置、传递装置均设有移动底座；卷盘装置包括卷筒,卷筒安装在卷筒架上,卷筒架上设有排管装置总成,排管装置总成用于控制连续导管卷盘顺序,卷筒由卷筒马达驱动；传递装置包括导向拱、注入头,导向拱转动连接注入头顶部,导向拱顶部沿长度方向设有多个导轮、压轮,导向拱和注入头之间设有液压组件,注入头用于下放/提拉连续导管。本发明能够适用于狭小空间,防转能力好,方便为取芯器提供动力源。(The invention discloses continuous guide pipe operation equipment and an operation method for a coal mine tunnel, which comprise a reel device and a transfer device, wherein the reel device and the transfer device are arranged in a split manner, and both the reel device and the transfer device are provided with a movable base; the reel device comprises a reel, the reel is arranged on a reel frame, a pipe arranging device assembly is arranged on the reel frame and used for controlling the sequence of the reels of the continuous conduit, and the reel is driven by a reel motor; the transfer device comprises a guide arch and an injection head, wherein the guide arch is rotatably connected with the top of the injection head, a plurality of guide wheels and pinch rollers are arranged on the top of the guide arch along the length direction, a hydraulic assembly is arranged between the guide arch and the injection head, and the injection head is used for lowering/lifting the continuous conduit. The core remover can be suitable for narrow space, has good rotation prevention capability and is convenient to provide a power source for the core remover.)

1. A continuous conduit operation device and an operation method for a coal mine tunnel are characterized in that: the reel device and the transfer device are arranged in a split mode, and both the reel device and the transfer device are provided with movable bases;

the reel device comprises a reel, the reel is arranged on a reel frame, a pipe arranging device assembly is arranged on the reel frame and used for controlling the sequence of the reels of the continuous conduit, and the reel is driven by a reel motor;

the transfer device comprises a guide arch and an injection head, the guide arch is rotationally connected with the top of the injection head, a guide wheel and a pinch roller are arranged at the top of the guide arch along the length direction, a hydraulic assembly is arranged between the guide arch and the injection head, the hydraulic assembly comprises a folding hydraulic rod, the bottom end of the folding hydraulic rod is hinged with the injection head, the top end of the folding hydraulic rod is hinged with a sliding block, the sliding block is in sliding fit with the bottom surface of the guide arch,

the injection head is used to lower/lift the continuous conduit.

2. The work equipment of claim 1, wherein: the pipe arranging device assembly comprises a support, a lifting hydraulic rod is arranged between the support and a winding drum frame, a bidirectional lead screw is arranged on the support, a guide device is arranged on the bidirectional lead screw, a mechanical counter and a rotating system are arranged in the guide device, and the rotating system comprises a plurality of conveying wheels.

3. The work equipment of claim 2, wherein: the pipe discharging device assembly further comprises a moment limiter.

4. The work equipment of claim 2, wherein: and a lifting oil cylinder is arranged between the guide device and the bidirectional screw rod.

5. The work equipment of claim 1, wherein: the guide arch is composed of a plurality of arch beams, and adjacent arch beams are hinged and matched.

6. The working equipment according to any one of claims 1 to 5, wherein: the injection head comprises an outer frame, a conveying mechanism is arranged in the outer frame, the two conveying mechanisms are arranged side by side and comprise conveying chains, conveying chain motors are arranged at the tops of the conveying chains, lower chain wheels are arranged at the bottoms of the conveying chains, clamping blocks are mounted on the conveying chains, the adjacent parts of the two conveying chains penetrate through hydraulic clamping mechanisms, each hydraulic clamping mechanism comprises two clamping arms, clamping hydraulic cylinders are arranged at the two ends of each clamping arm respectively, the clamping arms are in sliding fit with the conveying chains, and overturning devices are arranged at the bottoms of the injection heads.

7. The work equipment of claim 6, wherein: the clamping block comprises a clamping base and a clamping claw, the clamping claw is installed on the clamping base, the clamping base is connected with a transmission chain, and a friction bulge is arranged in the clamping claw.

8. The work equipment of claim 6, wherein: the outer frame is also provided with a transmission chain counter and a load sensor.

9. Work equipment according to claim 7 or 8, characterized in that: the transfer device further comprises an underground drill rig, the underground drill rig comprises a drill rig support, a drill rod driving mechanism is arranged on the drill rig support, the bottom end of the drill rig support is hinged with a movable base, a drill rig hydraulic cylinder is arranged between the drill rig support and the movable base, the top end of the drill rig support is hinged with an injection head, and a turnover device is arranged between the top end of the drill rig support and the injection head.

10. The working method of a working equipment according to claim 9, characterized by comprising the steps of:

s1, conveying the transfer device to a coring site, and conveying the coiling device to the rear of the transfer device;

s2, erecting a hydraulic cylinder support by using a hydraulic cylinder of the drilling machine, and erecting the injection heads at the same time;

s3, driving the turnover device, and enabling the injection head to be in a horizontal state;

s4, connecting the coring bit with the outer pipe to complete the assembly of the outer pipe assembly;

s5, connecting the outer pipe assembly through a drill rod, and lowering the outer pipe assembly to a coring position by using a tunnel drilling machine;

s6, driving a turnover device, and enabling the injection head to be in a vertical state;

s7, the folding hydraulic rod acts, the plurality of arch beams extend, and the guide arch is lifted;

s8, the continuous conduit extends into the guide arch from the reel device through the pipe arrangement device assembly;

s9, the continuous guide pipe extends into the injection head from the guide arch, the injection head is internally provided with a transmission chain to move, and the continuous guide pipe is clamped to move downwards;

s10, assembling an inner pipe assembly, and connecting the continuous guide pipe and a central rod of the inner pipe assembly through a quick connector;

s11, lowering the inner pipe assembly from the drill rod;

and S12, when the inner pipe assembly reaches the designated position, rotating the drill rod driving mechanism and performing pressurized drilling to perform coring operation.

Technical Field

The invention relates to the field of coal mine tunnel coring devices, in particular to continuous guide pipe operation equipment and an operation method for a coal mine tunnel.

Background

China is a large country for coal production and a large country for coal consumption, and coal is an important basic energy and raw material in China. The coal bed gas content and the coal bed gas pressure are main indexes for predicting and inspecting regional effect of outburst danger regions of outburst coal beds, the coal bed gas content is generally measured by methods such as ground coal bed gas content measurement, geological exploration gas content measurement, drilling and coring of underground coal beds of mines and the like, and due to differences of coal bed gas content test conditions, test methods and the like, the coal bed gas content test results are often large in difference and low in precision, estimation loss generally exists, and the guiding significance for coal mining is limited. The method for directly measuring the coal bed gas content has the key step of taking a coal sample on site, and the traditional drilling coring mode is adopted for the existing coal bed gas coring.

For the coring of coal bed tunnels, the prior art has a core taking device with a coal bed gas rope, the name of which is CN204646157U, the device uses a rope to lift/lower a corer, compressed air needs to be introduced into the core taking device to drive the core taking device to act, while the name of the core taking device with a CN107905752A, the device also uses a rope to lift/lower the corer, meanwhile, the core taking device needs to drive the core taking device to act by water pressure,

however, when the rope coring device is used, the rotation of the coring device is easy to happen, the interference on the coring operation is caused, the accuracy of monitoring data is reduced, and meanwhile, a corresponding fluid medium channel needs to be arranged, so that the movement of the coring device is driven, and the complexity of the structure of the device is increased.

Disclosure of Invention

The invention aims to provide continuous guide pipe operation equipment and an operation method for a coal mine tunnel, which can be suitable for a narrow space, have good rotation prevention capability and conveniently provide a power source for a coring device.

In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

the invention discloses continuous guide pipe operation equipment and an operation method for a coal mine tunnel, which comprise a reel device and a transfer device, wherein the reel device and the transfer device are arranged in a split manner, and both the reel device and the transfer device are provided with a movable base;

the reel device comprises a reel, the reel is arranged on a reel frame, a pipe arranging device assembly is arranged on the reel frame and used for controlling the sequence of the reels of the continuous conduit, and the reel is driven by a reel motor;

the transfer device comprises a guide arch and an injection head, the guide arch is rotatably connected with the top of the injection head, a plurality of guide wheels are arranged on the top of the guide arch along the length direction, a plurality of pinch rollers are arranged on the top of the guide arch along the length direction, a hydraulic assembly is arranged between the guide arch and the injection head and comprises a folding hydraulic rod, the bottom end of the folding hydraulic rod is hinged with the injection head, the top end of the folding hydraulic rod is hinged with a sliding block, the sliding block and the guide arch are in sliding fit, and the injection head is used for lowering/lifting a continuous conduit.

Preferably, the pipe arranging device assembly comprises a support, a lifting hydraulic rod is arranged between the support and the winding drum frame, a bidirectional screw is arranged on the support, a guide device is arranged on the bidirectional screw, a mechanical counter and a rotating system are arranged in the guide device, and the rotating system comprises a plurality of conveying wheels.

Preferably, the pipe discharging device assembly further comprises a moment limiter.

Preferably, a lifting oil cylinder is arranged between the guide device and the bidirectional screw rod, and the guide device is rotatably connected with the lifting oil cylinder.

Preferably, the guide arch is composed of a plurality of arch beams, and adjacent arch beams are hinged and matched.

Preferably, the injection head includes the frame, be equipped with transport mechanism in the frame, two transport mechanism set up side by side, transport mechanism includes the transfer chain, the transfer chain top is equipped with the transfer chain motor, the transfer chain bottom is equipped with the lower sprocket, install on the transfer chain and add and hold the piece, hydraulic clamping mechanism is passed to the adjacent part of two transfer chains, hydraulic clamping mechanism includes two clamp arms, the clamp arm both ends are equipped with respectively and press from both sides tight pneumatic cylinder, clamp arm and transfer chain sliding fit, the injection head bottom is equipped with turning device.

Preferably, the clamping block comprises a clamping base and a clamping claw, the clamping claw is arranged on the clamping base, the clamping base is connected with the transmission chain, and a friction protrusion is arranged in the clamping claw.

Preferably, a conveyor chain counter and a load sensor are further arranged in the outer frame.

Preferably, the transfer device further comprises an underground drill rig, the underground drill rig comprises a drill rig support, a drill rod driving mechanism is arranged on the drill rig support, the bottom end of the drill rig support is hinged with the movable base, a drill rig hydraulic cylinder is arranged between the drill rig support and the movable base, the top end of the drill rig support is hinged with the injection head, and a turnover device is arranged between the top end of the drill rig support and the injection head.

The invention also discloses an operation method of the device, which comprises the following steps:

s1, conveying the transfer device to a coring site, and conveying the coiling device to the rear of the transfer device;

s2, erecting a hydraulic cylinder support by using a hydraulic cylinder of the drilling machine, and erecting the injection heads at the same time;

s3, driving the turnover device, and enabling the injection head to be in a horizontal state;

s4, connecting the coring bit with the outer pipe to complete the assembly of the outer pipe assembly;

s5, connecting the outer pipe assembly through a drill rod, and lowering the outer pipe assembly to a coring position by using a tunnel drilling machine;

s6, driving a turnover device, and enabling the injection head to be in a vertical state;

s7, the folding hydraulic rod acts, the plurality of arch beams extend, and the guide arch is lifted;

s8, the continuous conduit extends into the guide arch from the reel device through the pipe arrangement device assembly;

s9, the continuous conduit extends into the injection head from the guide arch, the injection head is internally provided with a transmission chain for movement, a clamping block on the transmission chain is clamped outside the continuous conduit, the clamping block moves along with the transmission chain, the clamping block clamped on the periphery of the continuous conduit clamps the continuous conduit under the action of a hydraulic clamping mechanism, and the continuous conduit moves downwards;

s10, assembling an inner pipe assembly, and connecting the continuous guide pipe and a central rod of the inner pipe assembly through a quick connector;

s11, lowering the inner pipe assembly from the drill rod;

and S12, when the inner pipe assembly reaches the designated position, rotating the drill rod driving mechanism and performing pressurized drilling to perform coring operation.

The invention has the beneficial effects that:

1. the invention adopts a split structure, is provided with a plurality of folding structures, and can be suitable for narrow space.

2. The invention is suitable for the tunnel, the coring depth is limited, the used continuous conduit has limited length, the anti-twist capacity is good, and the anti-rotation capacity is better.

3. The continuous conduit can be of a hollow structure, and a cable can be arranged in the hollow structure, so that a power source can be conveniently provided for the coring device.

Drawings

FIG. 1 is a first schematic view of the present invention;

FIG. 2 is a second schematic of the present invention;

FIG. 3 is a side view of the transfer device;

FIG. 4 is a schematic view of a reel apparatus;

FIG. 5 is a side view of the reel assembly;

FIG. 6 is a schematic view of a guide arch and injection head;

FIG. 7 is a first schematic view of the injector head;

FIG. 8 is a second schematic view of the injector head;

FIG. 9 is a schematic diagram of a clamping block;

fig. 10 is a schematic diagram of a hydraulic clamping mechanism.

In the figure: 1-reel device, 2-transfer device, 3-coring device, 4-drill rod, 9-continuous conduit, 1101-reel, 1102-reel frame, 1103-calandria assembly, 1104-bracket, 1105-lifting hydraulic rod, 1106-bidirectional screw, 1107-guide device, 1108-lifting cylinder, 1109-transmission wheel, 1201-guide arch, 1202-injection head, 1203-drilling machine bracket, 1204-drill rod driving mechanism, 1205-drilling machine hydraulic cylinder, 1206-guide wheel, 1207-pressing wheel, 1208-folding hydraulic rod, 1209-sliding block, 1210-outer frame, 1211-transmission chain, 1212-transmission chain motor, 1213-lower chain wheel, 1214-holding block, 1215-holding base, 1216-holding claw, 1217-friction protrusion, 1218-hydraulic clamping mechanism, 1219-clamp arm, 1220-clamp hydraulic cylinder, 1221-conveyor chain counter, 1222-load cell, 1223-blowout preventer, 1224-arched beam, 1225-locking plate, 1226-tensioner, 1301-mobile base, 1302-track.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 10, the present invention comprises a reel device 1 and a transfer device 2 which are separately arranged, wherein the reel device 1 and the transfer device 2 are both provided with a movable base 1301, the movable base 1301 is both provided with a crawler 1302,

the reel device 1 is used for accommodating the continuous conduit 9, the reel device 1 comprises a reel 1101 and a reel rack 1102, the reel 1101 is arranged on the reel rack 1102, a pipe arranging device assembly 1103 is arranged on the reel rack 1102,

the pipe discharging device assembly 1103 comprises a bracket 1104 and a moment limiter, the bracket 1104 is rotatably connected with a winding drum frame 1102, the bracket 1104 and the winding drum frame 1102 are provided with a lifting hydraulic rod 1105, the bracket 1104 is provided with a bidirectional screw 1106, the bidirectional screw 1106 is provided with a guide device 1107, the guide device 1107 is internally provided with a mechanical counter and a rotating system, a lifting oil cylinder 1108 is arranged between the guide device 1107 and the bidirectional screw 1106, the rotating system comprises a plurality of transmission wheels 1109,

the reel device 1 is also provided with a collecting ring, a cable is arranged in the continuous conduit 9 and is electrically connected with the collecting ring, the cable is used for providing power and/or signals for underground electrical equipment,

during the transfer of the continuous conduit 9, the guide device 1107 reciprocates along the bidirectional lead screw 1106, so that the continuous conduit 9 is neatly housed on the drum 1101.

The transfer device 2 comprises a guide arch 1201, an injection head 1202, a tunnel boring machine,

the tunnel drilling machine comprises a drilling machine support 1203, a drill rod driving mechanism 1204 is arranged on the drilling machine support 1203, the bottom end of the drilling machine support 1203 is hinged with a movable base 1301, a drilling machine hydraulic cylinder 1205 is arranged between the drilling machine support 1203 and the movable base 1301, the top end of the drilling machine support 1203 is hinged with an injection head 1202,

the bottom end of the guide arch 1201 is hinged with the top end of the injection head 1202, a plurality of guide wheels 1206 are arranged at the top of the guide arch 1201 at equal intervals along the length direction, a plurality of pinch rollers 1207 are arranged at the top of the guide arch 1201 at equal intervals along the length direction, the guide wheels 1206 and the pinch rollers 1207 form a supply channel of the continuous conduit 9,

the bottom of the guide arch 1201 is provided with a hydraulic assembly, the hydraulic assembly comprises a folding hydraulic rod 1208, the bottom end of the folding hydraulic rod 1208 is hinged with an injection head 1202, the top end of the folding hydraulic rod 1208 is hinged with a sliding block 1209, the sliding block 1209 is in sliding fit with the bottom surface of the guide arch 1201, the guide arch 1201 comprises a plurality of arch beams 1224, the arch beams 1224 are in hinged fit, locking pieces 1225 are arranged between the adjacent arch beams 1224, the locking pieces 1225 are used for locking the guide arch 1201 when the arch beams 1224 are extended to prevent the guide arch 1201 from collapsing,

the injection head 1202 comprises an outer frame 1210, two conveying mechanisms arranged side by side are installed in the outer frame 1210, a continuous conduit 9 is positioned between the two conveying mechanisms, each conveying mechanism comprises a conveying chain 1211, a conveying chain motor 1212 is arranged at the top of each conveying chain 1211, a lower chain wheel 1213 is arranged at the bottom of each conveying chain 1211, a tensioning device 1226 is arranged on each lower chain wheel 1213, each tensioning device 1226 is used for keeping the conveying chain 1211 in a tensioning state, a clamping block 1214 is installed on each conveying chain 1211, each clamping block 1214 comprises a clamping base 1215 and a clamping claw 1216, a friction bulge 1217 is arranged in each clamping claw 1216, adjacent parts of the two conveying chains 1211 pass through a hydraulic clamping mechanism 1218, each hydraulic clamping mechanism 1218 comprises two clamping arms 1219, clamping hydraulic cylinders 1220 are respectively arranged at two ends of each clamping arm 1219, the clamping arms 1219 are in sliding fit with the conveying chains 1211, a turning device is arranged between the injection head 1202 and a drilling machine support 1203, a, Load cell 1222.

The coring device 3 comprises an outer pipe assembly and an inner pipe assembly, the transmission device 2 is connected with a driving drill rod 4 through a drill rod driving mechanism 1204, the transmission device 2 drives a continuous guide pipe 9 through an injection head 1202, the continuous guide pipe 9 penetrates through a blowout prevention box 1223 and then is connected with the inner pipe assembly of the coring device 3, and the blowout prevention box 1223 is used at the top end of the drill rod 4 to prevent coal bed gas from being blown out.

The invention comprises the following steps when in actual use:

s1, conveying the transmission device 2 to a coring site, and conveying the coiling device 1 to the rear of the transmission device 2;

s2, erecting the hydraulic cylinder bracket 1104 by using the hydraulic cylinder 1205 of the drilling machine, and erecting the injection head 1202 and the hydraulic cylinder bracket 1104 together;

s3, driving the turnover device, and enabling the injection head 1202 to be in a horizontal state;

s4, connecting the coring bit with the outer pipe to complete the assembly of the outer pipe assembly;

s5, connecting the outer pipe assembly through the drill rod 4, and lowering the outer pipe assembly to a coring position by using a tunnel drilling machine;

s6, driving the turnover device, and enabling the injection head 1202 to be in a vertical state;

s7, the folding hydraulic rod 1208 acts, the plurality of arch beams 1224 extend, and the guide arch 1201 is lifted;

s8, the continuous conduit 9 extends from the reel device 1 through the conduit device assembly 1103 into the guide arch 1201;

s9, the continuous catheter 9 extends into the injection head 1202 from the guide arch 1201, the conveying chain 1211 moves in the injection head 1202, the clamping block 1214 on the conveying chain 1211 is clamped outside the continuous catheter 9, the clamping block 1214 moves along with the conveying chain 1211, the clamping block 1214 clamped on the periphery of the continuous catheter 9 clamps the continuous catheter 9 under the action of the hydraulic clamping mechanism 1218, and the continuous catheter 9 moves downwards;

s10, assembling an inner pipe assembly, and connecting the continuous guide pipe 9 with a central rod of the inner pipe assembly through a quick connector;

s11, lowering the inner pipe assembly from the drill pipe 4;

and S12, when the inner pipe assembly reaches the designated position, rotating the drill rod driving mechanism 1204 and performing pressurized drilling to perform coring operation.

The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.