A tunnel bolt trolley and method

Abstract

The present invention relates to a tunnel bolt jumbo and a method, belonging to the technical field of rock drilling and anchoring. The technical solution is as follows: The bolt bin (3) is an annular cylinder, and a plurality of bolts (5) are arranged on the inner wall of the annular cylinder of the bolt bin (3). The bolt bin (3) is arranged on the orienting body (7). The rock drill (1), the slideway (6) and the drill rod (8) are arranged in the bolt bin. The bolts (5), the slideway (6) and the drill rod (8) are all arranged along the central axis direction of the annular cylinder of the bolt bin (3). A joint conversion device (2) is provided at the output shaft end of the rock drill (1), and the alternation conversion between the drill rod and the bolt on the rock drill is realized through the joint conversion device. The beneficial effects of the present invention are as follows: Using one rock drill to complete hole drilling and bolt installation, automatically realizing the conversion between the drill rod and the bolt, saving space, improving work efficiency, reducing labor intensity, lowering construction costs, reducing the mechanical equipment failure points, and reducing the safety hazards of construction workers.

Description

Technical Field

[0001] The present invention relates to a tunnel bolt jumbo and a method, belonging to the technical field of rock drilling and anchoring. Background Art

[0002] At present, the anchoring technology has been widely applied in many fields. Especially in tunnel construction and underground tunneling in mines, it is an important technical means. During the anchoring operation, a rock drill is needed to drill holes and install bolts. In the prior art, generally a tunnel jumbo (also called a rock drilling jumbo) is used for operation, and there are two operation modes: 1. Use two rock drills. One rock drill installs a drill rod and is responsible for drilling holes. After the bolt holes are drilled, this rock drill leaves, and the other rock drill is used to install bolts in the bolt holes. Due to the very narrow space in tunnel construction and underground tunneling in mines, using two rock drills to work alternately occupies a large space, is inconvenient to operate, and increases equipment investment. 2. Use one rock drill. After using the drill rod to complete the hole drilling, manually replace the drill rod on the rock drill with a bolt to complete the bolt installation. Manually and continuously alternate the installation of drill rods and bolts on the bolt jumbo, with poor economy, long time, low efficiency, high labor intensity of personnel, great potential safety hazards, and increased construction costs. Summary of the Invention

[0003] The purpose of the present invention is to provide a tunnel bolt jumbo and a method, which use one rock drill to complete hole drilling and bolt installation, automatically realize the conversion between the drill rod and the bolt, save space, improve work efficiency, reduce labor intensity, lower construction costs, reduce the fault points of mechanical equipment, and solve the above technical problems existing in the prior art.

[0004] The technical solution of the present invention is as follows:

[0005] A tunnel bolt jumbo includes a rock drill, a joint conversion device, a bolt bin, a slideway, an orienting body, and a drill rod; the bolt bin is an annular cylinder, and a plurality of bolts are arranged on the inner wall of the annular cylinder of the bolt bin. The bolt bin is arranged on the orienting body, and a slideway is provided on the orienting body. The rock drill moves on the slideway. The rock drill, the slideway, and the drill rod are arranged in the bolt bin, and the bolt, the slideway, and the drill rod are all arranged along the central axis direction of the annular cylinder of the bolt bin; a joint conversion device is provided at the output shaft end of the rock drill, and the conversion between the drill rod and the bolt on the rock drill is realized through the joint conversion device, and one rock drill is used to complete hole drilling and bolt installation.

[0006] The joint conversion device has a conversion joint. The front end of the conversion joint cooperates with the tail of the bolt, the rear end of the conversion joint matches with the output end of the rock drill, and the output end of the rock drill matches with the tail of the drill rod; after the output end of the rock drill is combined with the drill rod to complete hole drilling, the output end of the rock drill is separated from the drill rod, the rear end of the conversion joint is combined with the output end of the rock drill, and the front end of the conversion joint is combined with the tail of the bolt, and the rock drill completes the bolt installation.

[0007] The front end of the adapter is provided with an anchor rod positioning head, and a lever is provided on the rear column of the adapter; the structure of the output end of the rock drill is: an internal thread hole is provided at the end, and the internal thread matches the external thread at the tail of the drill rod to connect the drill rod to the output end of the rock drill; a plug-in slot is provided on the hole wall of the internal thread hole, the rear column of the adapter is inserted into the internal thread hole at the output end of the rock drill, and the lever on the rear column is stuck in the plug-in slot to connect the adapter to the output end of the rock drill.

[0008] The anchor rod positioning head at the front end of the adapter matches the structure of the tail of the anchor rod. According to different structures of the tail of the anchor rod, different structures of the anchor rod positioning head are matched, and the anchor rod is positioned and installed on the adapter and connected to the output end of the rock drill through the adapter.

[0009] The rock drill and the adapter conversion device are installed on the rock drill base plate, and the rock drill base plate slides on the slideway; a limit plate is provided at the tail of the slideway to limit and block the ejector rod in the adapter conversion device on the slideway.

[0010] The adapter conversion device includes a swing telescopic mechanism, and the swing telescopic mechanism drives the adapter to stretch and swing, moving away from or approaching the output end of the rock drill; when the adapter moves away from the output end of the rock drill, the output end of the rock drill is combined with the drill rod to complete the drilling; after the output end of the rock drill is separated from the drill rod, the adapter approaches the output end of the rock drill, the rear end of the adapter is combined with the output end of the rock drill, and the front end of the adapter is combined with the tail of the anchor rod, and the rock drill completes the installation of the anchor rod.

[0011] The swing telescopic mechanism includes an ejector rod, a connecting plate, a swing frame, a compression spring, a rocker arm, a screw rod, a tension spring and a bottom plate bracket; the bottom plate bracket is fixed on the rock drill base plate, the swing frame is arranged on the bottom plate bracket, the bottom plate bracket is provided with a swing stroke limit hole, the screw rod passes through the swing stroke limit hole and can swing in the swing stroke limit hole; a tension spring is provided at one end of the screw rod, and the other end is connected to the ejector rod through the connecting plate. One end of the ejector rod abuts against the limit plate, and the other end is connected to one end of the rocker arm in the swing frame. There is a compression spring inside the outer sleeve of the rocker arm; the other end of the rocker arm is connected to the adapter.

[0012] The screw rod is fastened to the connecting plate by a nut; the tension spring is arranged on the pin shaft.

[0013] An arm rotation device is also provided inside the annular cylinder of the anchor rod bin, which includes a rotating combined shaft mechanism, a front drill rod holder, a drill rod arm, a first anchor rod arm, and a second anchor rod arm. The rotating combined shaft mechanism is a rotatable combined shaft. The front drill rod holder and the drill rod arm are parallel to each other and are vertically arranged on the rotatable combined shaft. The front drill rod holder has a structure with a central hole. A drill rod clamp is provided at the end of the drill rod arm. The central hole and the drill rod clamp respectively sleeve and clamp the two ends of the drill rod. The first anchor rod arm and the second anchor rod arm are parallel to each other and are arranged on the rotatable combined shaft. Anchor rod clamps are provided at the ends of the first anchor rod arm and the second anchor rod arm respectively, which clamp the two ends of the anchor rod. Through the rotation of the combined shaft of the rotating combined shaft mechanism, the front drill rod holder, the drill rod arm, the first anchor rod arm, and the second anchor rod arm installed on the rotatable combined shaft rotate synchronously, transferring the drill rod and the anchor rod to a predetermined position, making the drill rod or the anchor rod respectively match with the output end of the rock drill, so that a rock drill can complete the hole drilling and the installation of the anchor rod.

[0014] The rotating combined shaft mechanism includes a tension sleeve, a first arm rotation cylinder, a support shaft, an anchor rod arm connecting pipe, and a second arm rotation cylinder. The first arm rotation cylinder, the support shaft, the anchor rod arm connecting pipe, and the second arm rotation cylinder are arranged in sequence on the same axis to form a rotatable combined shaft. The output end of the first arm rotation cylinder is connected to one end of the support shaft. The support shaft passes through the anchor rod arm connecting pipe and is connected to the fixed end of the second arm rotation cylinder. The output end of the second arm rotation cylinder is connected to the anchor rod arm connecting pipe. The first arm rotation cylinder drives the support shaft to rotate. The front drill rod holder and the drill rod arm are respectively connected to the support shaft and rotate with the support shaft. The support shaft drives the second arm rotation cylinder to rotate synchronously. The second arm rotation cylinder drives the anchor rod arm connecting pipe to rotate. The first anchor rod arm and the second anchor rod arm are respectively hinged on the anchor rod arm connecting pipe and rotate with the anchor rod arm connecting pipe.

[0015] Front supports and rear supports are provided at both ends of the rotating combined shaft mechanism. The front supports and the rear supports are fixed on the anchor rod bin.

[0016] The support shaft is provided with a connecting plate. A sliding rod that can move along the axial direction of the support shaft is provided inside the connecting plate. The front end of the sliding rod is provided with a front drill rod holder, and the central hole on the front drill rod holder always sleeves the front end of the drill rod. A drill rod arm is provided at the rear end of the support shaft. The drill rod arm can be folded along the axial direction of the support shaft under the action of the rock drill. When the drill rod drills a hole, the drill rod clamp at the front end of the drill rod arm loosens the drill rod, and after the hole drilling is completed, the drill rod clamp clamps the drill rod. The sliding rod can move along the axial direction of the support shaft under the action of the rock drill. The other end of the sliding rod is provided with a rear impact rod. A gas spring is provided between the front drill rod holder and the connecting plate.

[0017] The front drill rod holder is installed inside the connecting plate and is a sliding structure with the connecting plate. It always maintains axial parallelism with the support shaft. The central hole at the front of the front drill rod holder always sleeves the drill rod, always maintains axial parallelism with the drill rod, and can slide axially with the drill rod. Under the action of the rock drill, it can move back and forth along the axial direction of the rotating shaft; the drill rod arm is hinged on the support shaft through a tension sleeve. The drill rod arm can be folded as the rock drill moves forward and is in a state parallel to the rotatable combined shaft. At the same time, the drill rod clamp on the drill rod arm leaves the drill rod; an arm support is provided on the drill rod arm, and the arm support on the drill rod arm matches the rear impact rod on the sliding rod; after the drilling hole is completed, as the rock drill moves backward, the rear impact rod hits the arm support on the drill rod arm, stands up the laid-down drill rod arm, and the drill rod clamp on the drill rod arm clamps the drill rod again.

[0018] The rock bolt arm 1 and the rock bolt arm 2 are connected by a connecting rod. The connecting rod is a telescopic rod. Under the action of the rock drill pushing the rock bolt forward, the rock bolt arm 1 and the rock bolt arm 2 are laid down in sequence, and the rock bolt clamps on the rock bolt arm 1 and the rock bolt arm 2 are separated from the rock bolt in sequence, and the rock drill installs the rock bolt; after the rock bolt installation is completed, under the action of the rock drill retracting, the rock bolt arm 1 and the rock bolt arm 2 stand up in sequence, and the rock bolt clamps on the rock bolt arm 1 and the rock bolt arm 2 clamp the next waiting rock bolt in sequence.

[0019] The support shaft is connected to the dial hand, the dial hand is connected to the rocker arm of the swing telescopic mechanism, and the rocker arm drives the adapter to rotate.

[0020] The annular cylinder of the rock bolt bin is a frame structure. A toothed ring is arranged on the inner wall of the annular cylinder. A plurality of spring clips are arranged on the toothed ring to clamp a plurality of rock bolts. The toothed ring is arranged along the circumference of the annular cylinder, and a plurality of rock bolts are arranged along the central axis direction of the annular cylinder; the toothed ring is matched with a gear, and the hydraulic motor drives the gear to drive the toothed ring to rotate to convey the rock bolts to the rock drill.

[0021] A using method of a tunnel rock bolt jumbo. Using the above tunnel rock bolt jumbo, the output end of the rock drill is matched with the joint conversion device, and the alternation conversion of the drill rod and the rock bolt on the rock drill is realized through the joint conversion device, and one rock drill is used to complete the drilling hole and install the rock bolt.

[0022] After the output end of the rock drill is combined with the drill rod to complete the drilling hole, the output end of the rock drill is separated from the drill rod, the rear end of the adapter is combined with the output end of the rock drill, and the front end of the adapter is combined with the tail of the rock bolt, and the rock drill completes the installation of the rock bolt.

[0023] Specific steps: In the initial drilling state, the tail of the drill rod is provided with an external thread, the output end of the rock drill is provided with an internal thread, and the drill rod is connected to the output end of the rock drill through the thread;

[0024] The adapter rotates clockwise to the limit position due to the pulling force of the tension spring; the adapter is located at the lower part of the rock drill. As the rock drill advances forward, the ejector rod gradually separates from the limit plate. At the same time, the compression spring expands, driving the rocker arm and the adapter to move backward, hiding the adapter under the rock drill.

[0025] The adapter and the output end of the rock drill have both a plug-and-play structure and a plug-and-play card slot; the adapter has no relation with the drill rod, and only plays a role in connecting the output end of the rock drill and the anchor rod together.

[0026] After the drilling is completed, the rock drill retreats to the bottommost position. As the rock drill moves backward, the ejector rod contacts the limit plate and starts to push the rocker arm and the adapter forward; at this time, the compression spring starts to compress until the rock drill retreats to the bottommost position. At this time, the adapter moves forward beyond the front end of the output end of the rock drill. At this time, rotate the arm rotation cylinder 1 clockwise, driving the support shaft to rotate. The support shaft drives the telescopic front drill rod holder and the drill rod arm to hold the drill rod and rotate clockwise at the same time. During the rotation process, the dial rotates with the support shaft at the same time. At the same time, the dial rotates the rocker arm to drive the adapter to rotate counterclockwise, making the adapter and the output end of the rock drill on the same central axis. At this time, the arm rotation cylinder 2 continues to rotate, driving the anchor rod arm connecting pipe and the anchor rod arm 1 and the anchor rod arm 2 to hold the anchor rod and rotate at the same time. At this time, the output end of the rock drill, the adapter and the anchor rod are on the same central axis. Then push the rock drill forward and turn on the rotation of the rock drill to make the output end of the rock drill rotate and advance forward. As the rock drill advances forward, the ejector rod and the limit plate start to separate. At this time, the compression spring starts to expand, driving the adapter to exert a backward force until the tail of the adapter is inserted into the threaded hole of the output end of the rock drill. As the output end of the rock drill rotates and advances, the push rod coincides with the plug-and-play card slot on the output end of the rock drill, completing the action of driving the adapter to rotate by the output end of the rock drill; at this time, the rock drill drives the adapter to continue to advance forward, completing the combination of the adapter and the anchor rod; as the rock drill continues to advance forward, the installation of the anchor rod is completed.

[0027] The beneficial effects of the present invention are: using one rock drill to complete drilling and installing anchor rods, automatically realizing the conversion between the drill rod and the anchor rod, saving space, improving work efficiency, reducing labor intensity, lowering construction costs, reducing the failure points of mechanical equipment, and reducing the safety hazards of construction personnel. Brief Description of the Drawings

[0028] Figure 1 It is the overall view of the present invention;

[0029] Figure 2 It is the three-dimensional schematic diagram of the present invention;

[0030] Figure 3 It is the partial enlarged schematic diagram of the present invention;

[0031] Figure 4 Schematic diagram of the joint conversion device of the present invention;

[0032] Figure 5 Schematic diagram of the arm rotation device of the present invention;

[0033] Figure 6 Stereogram of the arm rotation device of the present invention;

[0034] Figure 7 Schematic diagram of the anchor rod bin of the present invention;

[0035] Figure 8 Schematic diagram of the structure after the anchor rod arm is pushed down of the present invention;

[0036] Figure 9 Schematic diagram of the structure after the drill rod arm is pushed down of the present invention;

[0037] Figure 10 Schematic diagram of the initial positions of the drill rod and the anchor rod arms of the present invention;

[0038] Figure 11 Schematic diagram of the drill rod opening of the present invention;

[0039] Figure 12 Schematic diagram of the arm being pushed down of the present invention;

[0040] Figure 13 Schematic diagram of using a slotted anchor rod in the first embodiment of the present invention;

[0041] Figure 14 Schematic diagram of the conversion joint in the first embodiment of the present invention;

[0042] Figure 15 Schematic diagram of using a resin anchor rod in the second embodiment of the present invention;

[0043] Figure 16 Schematic diagram of the conversion joint in the second embodiment of the present invention;

[0044] Figure 17 Schematic diagram of the working state of the present invention;

[0045] Figure 18 Schematic diagram of the net-grabbing mechanism in the embodiment of the present invention;

[0046] In the figure: rock drill 1, joint conversion device 2, bolt bin 3, arm rotation device 4, bolt 5, slideway 6, orientation body 7, drill rod 8, propulsion oil cylinder 9, compensation oil cylinder 10, limit plate 11, net grasping mechanism 12, mesh 13, output end 1-1 of the rock drill, plug-in slot 1-3, ejector rod 2-1, connecting plate 2-2, swing frame 2-3, compression spring 2-4, rocker arm 2-5, nut 2-6, screw rod 2-7, pin shaft 2-8, tension spring 2-9, conversion joint 2-10, lever 2-11, bottom plate support 2-12, swing stroke limit hole 2-13, front end cone 2-14, rear end cylinder 2-15, front end cylinder 2-16, inner hole 2-17, hydraulic motor 3-1, gear 3-2, gear ring 3-3, spring clip 3-4, front end support 4-1, bolt arm one 4-3, connecting rod 4-4, bolt arm two 4-5, expansion sleeve 4-6, front drill rod holder 4-7, arm rotation oil cylinder one 4-8, gas spring 4-9, support shaft 4-10, bolt arm connecting pipe 4-11, rear striker 4-12, arm rotation oil cylinder two 4-13, drill rod arm 4-14, rear end support 4-15, pusher 4-16, connecting plate 4-17, slide bar 4-18, arm support 4-19, slit type bolt 501, resin bolt 502, spring 12-1, nut one 12-2, net grasping oil cylinder 12-3, bolt 12-4, spring washer 12-5, nut two 12-6, tension bar 12-7, pin shaft 12-8, net grasping arm 12-9, arm pull rod 12-10, claw 12-11. Specific embodiments

[0047] The present invention will be further described below in conjunction with the accompanying drawings through embodiments.

[0048] A tunnel bolt jumbo, comprising a rock drill 1, a joint conversion device 2, a bolt bin 3, a slideway 6, an orientation body 7 and a drill rod 8; the bolt bin 3 is an annular cylinder, and a plurality of bolts 5 are arranged on the inner wall of the annular cylinder of the bolt bin 3. The bolt bin 3 is arranged on the orientation body 7, and a slideway 6 is provided on the orientation body 7. The rock drill 1 moves on the slideway 6. The rock drill 1, the slideway 6 and the drill rod 8 are arranged in the bolt bin 3. The bolts 5, the slideway 6 and the drill rod 8 are all arranged along the central axis direction of the annular cylinder of the bolt bin 3; a joint conversion device 2 is provided at the output shaft end of the rock drill 1, and the drill rod 8 and the bolt 5 are alternately converted on the rock drill 1 through the joint conversion device 2, and a single rock drill is used to complete drilling and bolt installation.

[0049] The joint conversion device 2 has a conversion joint 2-10. The front end of the conversion joint 2-10 cooperates with the tail of the anchor rod 5, and the rear end of the conversion joint 2-10 matches the output end 1-1 of the rock drill. The output end 1-1 of the rock drill matches the tail of the drill rod 8. After the output end 1-1 of the rock drill and the drill rod 8 are combined to complete the drilling, the output end 1-1 of the rock drill is separated from the drill rod 8. The rear end of the conversion joint 2-10 is combined with the output end 1-1 of the rock drill, and the front end of the conversion joint 2-10 is combined with the tail of the anchor rod 5, and the rock drill 1 completes the installation of the anchor rod.

[0050] The front end of the conversion joint 2-10 is provided with an anchor rod positioning head, and a shift lever 2-11 is provided on the column body 2-15 at the rear end of the conversion joint 2-10. The structure of the output end 1-1 of the rock drill is: an internal threaded hole is provided at the end, and the internal thread matches the external thread at the tail of the drill rod 8 to connect the drill rod 8 and the output end 1-1 of the rock drill together. An insertion and extraction slot 1-3 is provided on the wall of the internal threaded hole. The column body 2-15 at the rear end of the conversion joint 2-10 is inserted into the internal threaded hole of the output end 1-1 of the rock drill, and the shift lever 2-11 on the column body 2-15 at the rear end is stuck in the insertion and extraction slot 1-3 to connect the conversion joint 2-10 and the output end 1-1 of the rock drill together.

[0051] The anchor rod positioning head at the front end of the conversion joint 2-10 matches the structure of the tail of the anchor rod. According to different structures of the tail of the anchor rod, different structures of anchor rod positioning heads are matched to position and install the anchor rod 5 on the conversion joint 2-10 and connect it to the output end 1-1 of the rock drill through the conversion joint 2-10.

[0052] The rock drill 1 and the joint conversion device 2 are installed on the rock drill base plate, and the rock drill base plate slides on the slideway. A limit plate 11 is provided at the tail of the slideway 6 to limit and block the ejector rod 2-1 in the joint conversion device 2 on the slideway 6.

[0053] The joint conversion device 2 includes a swing telescopic mechanism, and the swing telescopic mechanism drives the conversion joint 2-10 to expand and contract and swing, moving away from or approaching the output end 1-1 of the rock drill. The conversion joint 2-10 moves away from the output end 1-1 of the rock drill, and the output end 1-1 of the rock drill is combined with the drill rod 8 to complete the drilling. After the output end 1-1 of the rock drill is separated from the drill rod 8, the conversion joint 2-10 approaches the output end 1-1 of the rock drill. The rear end of the conversion joint 2-10 is combined with the output end 1-1 of the rock drill, and the front end of the conversion joint 2-10 is combined with the tail of the anchor rod 5, and the rock drill 1 completes the installation of the anchor rod.

[0054] The swing telescopic mechanism includes a push rod 2-1, a connecting plate 2-2, a swing frame 2-3, a compression spring 2-4, a rocker arm 2-5, a screw rod 2-7, a tension spring 2-9 and a bottom plate bracket 2-12; the bottom plate bracket 2-12 is fixed on the bottom plate of the rock drill, the swing frame 2-3 is arranged on the bottom plate bracket 2-12, the bottom plate bracket 2-12 is provided with a swing stroke limit hole 2-13, the screw rod 2-7 passes through the swing stroke limit hole 2-13 and can swing in the swing stroke limit hole 2-13; one end of the screw rod 2-7 is provided with a tension spring 2-9, the other end is connected with the push rod 2-1 through the connecting plate 2-2, one end of the push rod 2-1 abuts against the limit plate 11, and the other end is connected with one end of the rocker arm 2-5 in the swing frame 2-3, and a compression spring 2-4 is arranged inside the outer sleeve of the rocker arm 2-5; the other end of the rocker arm 2-5 is connected with the adapter 2-10.

[0055] The screw rod 2-7 is fastened to the connecting plate 2-2 through a nut 2-6; the tension spring 2-9 is arranged on a pin shaft 2-8.

[0056] An arm rotating device 4 is further arranged in the annular cylinder of the bolt bin 3, which includes a rotating combined shaft mechanism, a front drill rod holder 4-7, a drill rod arm 4-14, a bolt arm one 4-3 and a bolt arm two 4-5. The rotating combined shaft mechanism is a rotatable combined shaft. The front drill rod holder 4-7 and the drill rod arm 4-14 are parallel to each other and are vertically arranged on the rotatable combined shaft. The front drill rod holder 4-7 is a structure with a central hole. The end of the drill rod arm 4-14 is provided with a drill rod clamp. The central hole and the drill rod clamp respectively sleeve and clamp the two ends of the drill rod 8; the bolt arm one 4-3 and the bolt arm two 4-5 are parallel to each other and are arranged on the rotatable combined shaft. The ends of the bolt arm one 4-3 and the bolt arm two 4-5 are both provided with bolt clamps, which respectively clamp the two ends of the bolt 5. By rotating the combined shaft of the rotating combined shaft mechanism, the front drill rod holder 4-7, the drill rod arm 4-14, the bolt arm one 4-3 and the bolt arm two 4-5 installed on the rotatable combined shaft rotate synchronously, and the drill rod 8 and the bolt 5 are transferred to a predetermined position, so that the drill rod 8 or the bolt 5 respectively matches the output end 1-1 of the rock drill, and one rock drill can complete drilling and installing bolts.

[0057] The rotating combined shaft mechanism includes a tension sleeve 4-6, a first arm rotating cylinder 4-8, a support shaft 4-10, a rock bolt arm connecting pipe 4-11, and a second arm rotating cylinder 4-13. The first arm rotating cylinder 4-8, the support shaft 4-10, the rock bolt arm connecting pipe 4-11, and the second arm rotating cylinder 4-13 are arranged in sequence on the same axis to form a rotatable combined shaft. The output end of the first arm rotating cylinder 4-8 is connected to one end of the support shaft 4-10. The support shaft 4-10 passes through the rock bolt arm connecting pipe 4-11 and is connected to the fixed end of the second arm rotating cylinder 4-13. The output end of the second arm rotating cylinder 4-13 is connected to the rock bolt arm connecting pipe 4-11. The first arm rotating cylinder 4-8 drives the support shaft 4-10 to rotate. The front drill stabilizer 4-7 and the drill rod arm 4-14 are respectively connected to the support shaft 4-10 and rotate with the support shaft 4-10. The support shaft 4-10 drives the second arm rotating cylinder 4-13 to rotate synchronously. The second arm rotating cylinder 4-13 drives the rock bolt arm connecting pipe 4-11 to rotate. The first rock bolt arm 4-3 and the second rock bolt arm 4-5 are respectively hinged on the rock bolt arm connecting pipe 4-11 and rotate with the rock bolt arm connecting pipe 4-11.

[0058] Both ends of the rotating combined shaft mechanism are provided with a front support 4-1 and a rear support 4-15, and the front support 4-1 and the rear support 4-15 are fixed on the rock bolt bin 3.

[0059] The support shaft 4-10 is provided with a connecting plate 4-17. A sliding rod 4-18 that can move along the axial direction of the support shaft 4-10 is arranged inside the connecting plate 4-17. The front end of the sliding rod 4-18 is provided with a front drill stabilizer 4-7, and the central hole on the front drill stabilizer 4-7 always sleeves the front end of the drill rod 8. The rear end of the support shaft 4-10 is provided with a drill rod arm 4-14. The drill rod arm 4-14 can be folded along the axial direction of the support shaft 4-10 under the action of the rock drill 1. When the drill rod 8 drills a hole, the drill rod clamp at the front end of the drill rod arm 4-14 releases the drill rod 8. After the hole is drilled, the drill rod clamp clamps the drill rod 8. The sliding rod 4-18 can move along the axial direction of the support shaft 4-10 under the action of the rock drill 1. The other end of the sliding rod 4-18 is provided with a rear impact rod 4-12. An air spring 4-9 is arranged between the front drill stabilizer 4-7 and the connecting plate 4-17.

[0060] The front drill rod holder 4-7 is installed inside the connecting plate 4-17, and is a sliding structure with the connecting plate 4-17, and always maintains axial parallelism with the support shaft 4-10. The central hole at the front of the front drill rod holder 4-7 always sleeves the drill rod 8, and always maintains axial parallelism with the drill rod 8, and can slide axially with the drill rod 8, and can move back and forth along the axial direction of the rotating shaft under the action of the rock drill 1; the drill rod arm 4-14 is hinged to the support shaft 4-10 through a tension sleeve 4-6. The drill rod arm 4-14 can be folded as the rock drill 1 moves forward, and is in a state parallel to the rotatable combined shaft. At the same time, the drill rod clamp on the drill rod arm 4-14 leaves the drill rod 8; an arm support 4-19 is provided on the drill rod arm 4-14, and the arm support 4-19 on the drill rod arm 4-14 matches the rear striker 4-12 on the sliding rod 4-18; after the drilling is completed, as the rock drill 1 moves backward, the rear striker 4-12 hits the arm support 4-19 on the drill rod arm 4-14, supports the fallen drill rod arm 4-14 to stand up, and the drill rod clamp on the drill rod arm 4-14 clamps the drill rod 8 again.

[0061] The first bolt arm 4-3 and the second bolt arm 4-5 are connected by a connecting rod 4-4. The connecting rod 4-4 is a telescopic rod. Under the action of the rock drill 1 pushing the bolt 5 forward, the first bolt arm 4-3 and the second bolt arm 4-5 are laid down in sequence, and the bolt clamps on the first bolt arm 4-3 and the second bolt arm 4-5 are separated from the bolt 5 in sequence, and the rock drill 1 installs the bolt; after the bolt installation is completed, under the action of the rock drill 1 retreating, the first bolt arm 4-3 and the second bolt arm 4-5 stand up in sequence, and the bolt clamps on the first bolt arm 4-3 and the second bolt arm 4-5 clamp the next waiting bolt in sequence.

[0062] The support shaft 4-10 is connected to the dial 4-16, and the dial 4-16 is connected to the rocker arm 2-5 of the swing telescopic mechanism, and the rocker arm 2-5 drives the adapter 2-10 to rotate.

[0063] The annular cylinder of the bolt bin 3 is a frame structure. A gear ring 3-3 is provided on the inner wall of the annular cylinder. A plurality of spring clips 3-4 are provided on the gear ring 3-3 to clamp a plurality of bolts 5. The gear ring 3-3 is arranged along the circumference of the annular cylinder, and a plurality of bolts 5 are arranged along the central axis direction of the annular cylinder; the gear ring 3-3 cooperates with the gear 3-2, and the hydraulic motor 3-1 drives the gear 3-2 to drive the gear ring 3-3 to rotate to convey the bolts 5 to the rock drill 1.

[0064] A method for using a tunnel bolt trolley uses the above tunnel bolt trolley. The output end 1-1 of the rock drill is matched with the joint conversion device 2, and the alternate conversion of the drill rod 8 and the bolt 5 on the rock drill 1 is realized through the joint conversion device 2, and one rock drill is used to complete drilling and bolt installation.

[0065] After the output end 1-1 of the rock drill is combined with the drill rod 8 to complete the drilling, the output end 1-1 of the rock drill is separated from the drill rod 8. The rear end of the adapter 2-10 is combined with the output end 1-1 of the rock drill, and the front end of the adapter 2-10 is combined with the tail of the anchor rod 5, and the rock drill 1 completes the installation of the anchor rod.

[0066] Specific steps: In the initial drilling state, the tail of the drill rod 8 is provided with an external thread, and the output end 1-1 of the rock drill is provided with an internal thread. The drill rod 8 is connected to the output end 1-1 of the rock drill through the thread.

[0067] Due to the pulling force of the tension spring 2-9, the rocker arm 2-5 of the adapter 2-10 rotates clockwise to the limit position; the adapter 2-10 is located below the rock drill. As the rock drill 1 advances forward, the ejector rod 2-1 gradually separates from the limit plate 11. At the same time, the compression spring 2-4 expands, driving the rocker arm 2-5 and the adapter 2-10 to move backward, hiding the adapter under the rock drill 1.

[0068] The adapter 2-10 and the output end 1-1 of the rock drill have both a plug-and-play structure and a plug-and-play card slot; the adapter 2-10 has nothing to do with the drill rod 8, and only plays a role in connecting the output end 1-1 of the rock drill and the anchor rod together.

[0069] After the drilling is completed, the rock drill 1 retracts to the bottommost position. As the rock drill 1 moves backward, the ejector rod 2-1 contacts the limit plate 11 and starts to push the rocker arm 2-5 and the adapter 2-10 forward; at this time, the compression spring 2-4 starts to compress until the rock drill 1 retracts to the bottommost position. At this time, the adapter 2-10 moves forward beyond the foremost end of the output end 1-1 of the rock drill. As the rock drill 1 retracts backward, the drill rod 8 installed on the rock drill 1 retracts backward. While the drill rod 8 retracts backward, it drives the front drill rod support 4-7 to move backward. As the front drill rod support 4-7 moves backward, the gas spring 4-9 is compressed. At the same time, it drives the rear impact rod 4-12 installed at the tail of the slide rod 4-18 to move backward and start to contact the arm support 4-19 installed on the drill rod arm 4-14. Until the rock drill retracts to the bottom, the arm support 4-19 straightens the drill rod arm 4-14. At this time, the drill rod clamp on the drill rod arm clamps the rear end of the drill rod 8, and the central hole on the front drill rod support 4-7 always sleeves the front end of the drill rod 8.At this time, start the impact valve of the rock drill to loosen the connection thread between the output end 1-1 of the rock drill and the drill rod 8. At the same time, the rock drill 1 rotates in reverse. As the rock drill rotates in reverse, the gas spring 4-9 installed between the connecting pipe 4-11 of the anchor arm and the front drill rod holder 4-7 starts to release and extend. During the extension of the gas spring 4-9, it will drive the front drill rod holder 4-7 to move forward. During the forward movement of the front drill rod holder 4-7, it will drive the drill rod 8 to move forward until the connection thread between the drill rod 8 and the output end 1-1 of the rock drill is completely separated by a certain distance. At this time, rotate the arm rotation cylinder one 4-8 clockwise to drive the support shaft 4-10 to rotate. The support shaft 4-10 drives the telescopic front drill rod holder 4-7 and the drill rod arm 4-14 to hold the drill rod 8 and rotate 51° clockwise at the same time. During the rotation, the dial 4-16 rotates with the support shaft 4-10 at the same time. At the same time, the rocker arm 2-5 is driven by the dial 4-16 to rotate counterclockwise, so that the adapter 2-10 and the output end 1-1 of the rock drill are on the same central axis. At this time, the arm rotation cylinder two 4-13 continues to rotate, driving the connecting pipe 4-11 of the anchor arm, the anchor arm one 4-3 and the anchor arm two 4-5 to hold the anchor 5 and rotate 51° at the same time. At this time, the output end 1-1 of the rock drill, the adapter 2-10 and the anchor 5 are on the same central axis at the same time. Then push the rock drill 1 forward and turn on the rotation of the rock drill to make the output end 1-1 of the rock drill rotate and move forward. As the rock drill 1 moves forward, the ejector rod 2-1 and the limit plate 11 start to separate. At this time, the compression spring 2-4 starts to open, driving the adapter 2-10 to exert force backward until the tail of the adapter 2-10 is inserted into the threaded hole inside the output end 1-1 of the rock drill. As the output end 1-1 of the rock drill rotates and advances, the lever 2-11 coincides with the plug-in slot 1-3 on the output end 1-1 of the rock drill, completing the action of driving the adapter 2-10 to rotate by the output end 1-1 of the rock drill. At this time, the rock drill 1 drives the adapter 2-10 to continue to move forward, completing the combination of the adapter 2-10 and the anchor 5. As the rock drill 1 continues to move forward, the installation of the anchor is completed.

[0070] In the embodiment, the bottom plate bracket 2-12 of the joint conversion device 2 is fixed to the bottom plate of the rock drill by bolts. In the initial drilling state, the tail of the drill rod 8 is provided with an external thread, and the output end 1-1 of the rock drill is provided with an internal thread. The drill rod 8 is connected to the output end 1-1 of the rock drill through the thread.

[0071] At this time, due to the pulling force of the tension spring 2-9, the adapter 2-10 rotates the rocker arm 2-5 clockwise to the limit position. Therefore, the adapter 2-10 is located below the rock drill. As the rock drill 1 moves forward, the ejector rod 2-1 gradually separates from the limit plate 11. At the same time, the compression spring 2-4 opens accordingly, driving the rocker arm 2-5 and the adapter 2-10 to move backward, hiding the adapter under the rock drill 1.

[0072] The adapter 2-10 and the output end 1-1 of the rock drill have both a plug-and-play structure and a plug-and-play card slot 1-3. The adapter 2-10 has nothing to do with the drill rod 8, and only serves as a connection function to connect the output end 1-1 of the rock drill and the anchor rod 5 together.

[0073] The working state of the present invention: a propulsion oil cylinder 9 is arranged in the slideway 6 on the orienting body 7, and a catching net mechanism 12 is arranged at the front end of the slideway 6. The propulsion oil cylinder 9 drives the rock drill 1 to reciprocate along the slideway 6 and drives the catching net mechanism 12 to grip the net sheet 13.

[0074] During the reciprocating movement of the rock drill 1 along the slideway 6, all the arms: the anchor rod arm one 4-3, the anchor rod arm two 4-5 and the drill rod arm 4-14 can either fold and separate from the grabbed object or fully open in the grabbing state. Since the sliding front drill rod support 4-7 is completely carried to the end by the drill rod 8, at the same time, the gas spring 4-9 is compressed, and the sliding front drill rod support 4-7 drives the rear impact rod 4-12 to move backward, pushing open the drill rod arm 4-14.

[0075] Example 1. Refer to the appendix Figure 13 、 14 。When using the present invention to install the slotted pipe anchor 501, the tail of the slotted pipe anchor 501 is a pipe body with a slit. The structure of the matching adapter 2-10 is: the front end cone 2-14 matches the tail of the slotted pipe anchor 501, and a lever 2-11 is arranged on the rear end cylinder 2-15, which matches the plug-and-play card slot 1-3 on the output end 1-1 of the rock drill.

[0076] Example 2. Refer to the appendix Figure 15 、 16 。When using the present invention to install the resin anchor 502, the structure of the matching adapter 2-10 is: the front end cylinder 2-16 is provided with an inner hole 2-17, which matches the tail of the resin anchor 502, and a lever 2-11 is arranged on the rear end cylinder 2-15, which matches the plug-and-play card slot 1-3 on the output end 1-1 of the rock drill.

Claims

1. A tunnel bolt trolley, characterized in that: It includes a rock drill (1), a joint conversion device (2), an anchor rod bin (3), a slideway (6), an orienting body (7) and a drill rod (8); the anchor rod bin (3) is an annular cylinder, and a plurality of anchor rods (5) are arranged on the inner wall of the annular cylinder of the anchor rod bin (3). The anchor rod bin (3) is arranged on the orienting body (7), and a slideway (6) is provided on the orienting body (7). The rock drill (1) moves on the slideway (6). The rock drill (1), the slideway (6) and the drill rod (8) are arranged in the anchor rod bin (3). The anchor rods (5), the slideway (6) and the drill rod (8) are all arranged along the central axis direction of the annular cylinder of the anchor rod bin (3); a joint conversion device (2) is provided at the output shaft end of the rock drill (1), and the alternate conversion of the drill rod (8) and the anchor rod (5) on the rock drill (1) is realized through the joint conversion device (2), and a single rock drill is used to complete hole drilling and installation of the anchor rod. An arm rotating device (4) is further provided in the annular cylinder of the anchor rod bin (3), which includes a rotating combined shaft mechanism, a front drill rod holder (4-7), a drill rod arm (4-14), an anchor rod arm one (4-3) and an anchor rod arm two (4-5). The rotating combined shaft mechanism is a rotatable combined shaft. The front drill rod holder (4-7) and the drill rod arm (4-14) are parallel to each other and are vertically arranged on the rotatable combined shaft. The front drill rod holder (4-7) is a structure with a central hole. A drill rod clamp is provided at the end of the drill rod arm (4-14). The central hole and the drill rod clamp respectively sleeve and clamp the two ends of the drill rod (8); the anchor rod arm one (4-3) and the anchor rod arm two (4-5) are parallel to each other and are arranged on the rotatable combined shaft. Anchor rod clamps are provided at the ends of the anchor rod arm one (4-3) and the anchor rod arm two (4-5) respectively to clamp the two ends of the anchor rod (5).

2. The tunnel bolt trolley according to claim 1, wherein: The joint conversion device (2) has a conversion joint (2-10). The front end of the conversion joint (2-10) is matched with the tail of the anchor rod (5), and the rear end of the conversion joint (2-10) is matched with the output end of the rock drill (1-1). The output end of the rock drill (1-1) is matched with the tail of the drill rod (8); after the output end of the rock drill (1-1) is combined with the drill rod (8) to complete hole drilling, the output end of the rock drill (1-1) is separated from the drill rod (8). The rear end of the conversion joint (2-10) is combined with the output end of the rock drill (1-1), and the front end of the conversion joint (2-10) is combined with the tail of the anchor rod (5), and the rock drill (1) completes the installation of the anchor rod.

3. The tunnel bolt jumbo according to claim 2, wherein: The front end of the adapter (2-10) is provided with an anchor rod positioning head, and a shifting rod (2-11) is provided on the rear column body (2-15) of the adapter (2-10); the structure of the output end (1-1) of the rock drill is: an internal thread hole is provided at the end, and the internal thread matches the external thread at the tail of the drill rod (8), connecting the drill rod (8) and the output end (1-1) of the rock drill together; an insertion and extraction slot (1-3) is provided on the hole wall of the internal thread hole, the rear column body (2-15) of the adapter (2-10) is inserted into the internal thread hole of the output end (1-1) of the rock drill, and the shifting rod (2-11) on the rear column body (2-15) is stuck in the insertion and extraction slot (1-3), connecting the adapter (2-10) and the output end (1-1) of the rock drill together.

4. The tunnel bolt rig according to claim 3, characterized in that: The anchor rod positioning head at the front end of the adapter (2-10) matches the structure of the tail of the anchor rod. According to different structures of the tail of the anchor rod, different structures of the anchor rod positioning head are matched to position and install the anchor rod (5) on the adapter (2-10), and connect it to the output end (1-1) of the rock drill through the adapter (2-10).

5. A tunnel bolt trolley according to claim 1 or 2, characterized in that: The rock drill (1) and the joint conversion device (2) are installed on the rock drill base plate, and the rock drill base plate slides on the slideway; a limit plate (11) is provided at the tail of the slideway (6) to limit and block the ejector rod (2-1) in the joint conversion device (2) on the slideway (6).

6. The tunnel bolt rig according to claim 1, characterized in that: The rotating combined shaft mechanism includes a tension sleeve (4-6), a first arm rotating cylinder (4-8), a support shaft (4-10), an anchor rod arm connecting pipe (4-11) and a second arm rotating cylinder (4-13). The first arm rotating cylinder (4-8), the support shaft (4-10), the anchor rod arm connecting pipe (4-11) and the second arm rotating cylinder (4-13) are arranged in sequence on the same axis to form a rotatable combined shaft; the output end of the first arm rotating cylinder (4-8) is connected to one end of the support shaft (4-10), the support shaft (4-10) passes through the anchor rod arm connecting pipe (4-11) and is connected to the fixed end of the second arm rotating cylinder (4-13), and the output end of the second arm rotating cylinder (4-13) is connected to the anchor rod arm connecting pipe (4-11); the first arm rotating cylinder (4-8) drives the support shaft (4-10) to rotate, the front drill rod holder (4-7) and the drill rod arm (4-14) are respectively connected to the support shaft (4-10) and rotate with the support shaft (4-10), and the support shaft (4-10) drives the second arm rotating cylinder (4-13) to rotate synchronously; the second arm rotating cylinder (4-13) drives the anchor rod arm connecting pipe (4-11) to rotate; the first anchor rod arm (4-3) and the second anchor rod arm (4-5) are respectively hinged on the anchor rod arm connecting pipe (4-11) and rotate with the anchor rod arm connecting pipe (4-11).

7. A tunnel bolt trolley according to claim 1 or 2, characterized in that: The annular cylinder of the anchor rod bin (3) is of a frame structure. A gear ring (3-3) is arranged on the inner wall of the annular cylinder. A plurality of spring clips (3-4) are provided on the gear ring (3-3) to clamp a plurality of anchor rods (5). The gear ring (3-3) is arranged along the circumference of the annular cylinder, and the plurality of anchor rods (5) are arranged along the central axis direction of the annular cylinder. The gear ring (3-3) cooperates with a gear (3-2), and a hydraulic motor (3-1) drives the gear (3-2) to drive the gear ring (3-3) to rotate, so as to convey the anchor rods (5) to the rock drill (1).

8. A method for using a tunnel bolt trolley, which uses the tunnel bolt trolley defined by any one of claims 1-7, and is characterized in that: The output end (1-1) of the rock drill matches with the joint conversion device (2), and the alternating conversion of the drill rod (8) and the anchor rod (5) on the rock drill (1) is realized through the joint conversion device (2), and a single rock drill is used to complete the hole drilling and the installation of the anchor rod.

9. The method for using a tunnel bolt rig according to claim 8, wherein Specific steps: In the initial drilling state, the tail of the drill rod (8) is provided with an external thread, and the output end (1-1) of the rock drill is provided with an internal thread. The drill rod (8) is connected to the output end (1-1) of the rock drill through the thread. Due to the pulling force of the tension spring (2-9), the adapter (2-10) rotates clockwise to the limit position of the rocker arm (2-5). The adapter (2-10) is located below the rock drill. As the rock drill (1) advances forward, the ejector rod (2-1) gradually separates from the limit plate (11). At the same time, the compression spring (2-4) expands, driving the rocker arm (2-5) and the adapter (2-10) to move backward, so that the adapter is hidden under the rock drill (1). The adapter (2-10) and the output end (1-1) of the rock drill have both a plug-and-play structure and a plug-and-play card slot. The adapter (2-10) has nothing to do with the drill rod (8), and only plays a role in connecting the output end (1-1) of the rock drill and the anchor rod together. After the drilling is completed, the rock drill (1) retreats to the bottommost position. As the rock drill (1) moves backward, the ejector rod (2-1) contacts the limit plate (11) and starts to push the rocker arm (2-5) and the adapter (2-10) forward; at this time, the compression spring (2-4) starts to compress until the rock drill (1) retreats to the bottommost position. At this time, the adapter (2-10) moves forward beyond the foremost end of the output end (1-1) of the rock drill. As the rock drill (1) retreats, the drill rod (8) installed on the rock drill (1) also retreats. While the drill rod (8) retreats, it drives the front drill rod support (4-7) to move backward. As the front drill rod support (4-7) moves backward, it compresses the gas spring (4-9); at the same time, it drives the rear striker rod (4-12) installed at the tail of the sliding rod (4-18) to move backward and start to contact the arm support (4-19) installed on the drill rod arm (4-14). Until the rock drill retreats to the bottom, the arm support (4-19) straightens the drill rod arm (4-14). At this time, the drill rod clamp on the drill rod arm clamps the rear end of the drill rod (8), and the central hole on the front drill rod support (4-7) always sleeves the front end of the drill rod (8); at this time, start the impact valve of the rock drill to loosen the connection thread between the output end (1-1) of the rock drill and the drill rod (8). At the same time, the rock drill (1) rotates in reverse. As the rock drill rotates in reverse, the gas spring (4-9) installed between the bolt arm connecting pipe (4-11) and the front drill rod support (4-7) starts to release and extend. During the extension of the gas spring (4-9), it will drive the front drill rod support (4-7) to move forward. During the forward movement of the front drill rod support (4-7), it will drive the drill rod (8) to move forward until the connection thread between the drill rod (8) and the output end (1-1) of the rock drill is completely separated by a certain distance;At this time, rotate the arm rotation cylinder one (4-8) clockwise, driving the support shaft (4-10) to rotate. The support shaft (4-10) drives the telescopic front drill rod holder (4-7) and the drill rod arm (4-14) to hold the drill rod (8), and at the same time rotates 51° clockwise. During the rotation, the shifting hand (4-16) rotates simultaneously with the support shaft (4-10). At the same time, the shifting hand (4-16) shifts the rocker arm (2-5) to drive the adapter (2-10) to rotate counterclockwise, so that the adapter (2-10) and the output end (1-1) of the rock drill are on the same central axis. At this time, the arm rotation cylinder two (4-13) continues to rotate, driving the anchor rod arm connecting pipe (4-11), the anchor rod arm one (4-3) and the anchor rod arm two (4-5) to hold the anchor rod (5) and rotate 51° at the same time. At this time, the output end (1-1) of the rock drill, the adapter (2-10) and the anchor rod (5) are on the same central axis at the same time. Then push the rock drill (1) forward and turn on the rotation of the rock drill so that the output end (1-1) of the rock drill rotates and advances forward. As the rock drill (1) advances forward, the ejector rod (2-1) starts to separate from the limit plate (11). At this time, the compression spring (2-4) starts to expand, driving the adapter (2-10) to exert force backward until the tail of the adapter (2-10) is inserted into the threaded hole of the output end (1-1) of the rock drill. As the output end (1-1) of the rock drill rotates and advances, the shift lever (2-11) coincides with the plug-in and unplugging slot (1-3) on the output end (1-1) of the rock drill, completing the action of the output end (1-1) of the rock drill driving the adapter (2-10) to rotate; at this time, the rock drill (1) drives the adapter (2-10) to continue to advance forward, completing the combination of the adapter (2-10) and the anchor rod (5); as the rock drill (1) continues to advance forward, the installation of the anchor rod is completed.;

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