A resin anchor hose delivery system and method for coal mines

Abstract

The present invention discloses a resin anchor hose delivery system and method for coal mines, which is provided with a water tank, a water pump, a water delivery pipe, a delivery device, a resin anchor blanking device and an explosion-proof guide pipe connected in sequence; a nozzle is installed at the end of the water delivery pipe, and the delivery device passes the water delivery pipe together with the nozzle at the end through the resin anchor blanking device, and the nozzle pushes out the anchor assembly therein and reaches the borehole along the explosion-proof guide pipe; the anchor assembly is provided with a resin anchor, and at least one expansion water stop strip is provided on the resin anchor along the circumference. The device can complete the underground auxiliary anchoring of coal mines, the automatic filling of the resin anchor in the top anchoring condition, the installation of the anchor rod, reduce the labor intensity of workers, avoid the operation risk of workers, and has a wide range of applications and high operation efficiency.

Description

Technical Field

[0001] The invention relates to a resin anchor hose delivery system and method for coal mines, belongs to the field of bolt support using resin anchors, and specifically relates to a resin anchor hose delivery system and method for coal mines. Background Art

[0002] At present, when supporting coal mine tunnels, resin anchor filling is generally done manually, which requires high labor intensity and causes heavy dust pollution in the working environment. The effect of anchor filling is one of the important factors that determine the effect of tunnel support. When the tunnel is high, workers are generally required to work at height, which poses a safety risk. During the filling of anchors in the top anchor holes and high-level side anchor holes of coal mines, resin anchors may fall, which increases the difficulty of manual construction.

[0003] Existing manufacturers use wire rope pushing equipment for anchoring agents. It is not clear how the various equipment processes are performed for the specific processes of drilling tools, hole straightening devices, and the retention of resin anchors in the anchor holes.

[0004] To this end, the designers of the present invention have devoted themselves to research and design in response to the above problems, and based on their years of experience in special working conditions of equipment in the coal mining industry, have studied and proposed a resin anchor hose delivery system and method for coal mines to solve the above problems. Summary of the invention

[0005] The main purpose of the present invention is to solve the problems existing in the prior art, such as high labor intensity for workers, high dust pollution in the working environment, and great construction safety risks in the anchor filling operation on the deformed roof and side walls of coal mine tunnels. A resin anchor hose delivery system and method for coal mines are provided, which can realize the drilling of anchor holes, automatic filling of resin anchors for coal mines, and installation of anchor rods, thereby reducing the labor intensity of workers and having high safety.

[0006] In order to achieve the above objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0007] A resin anchor hose delivery system for coal mines is provided, which is provided with a water tank, a water pump, a water pipe, a delivery device, a resin anchor blanking device and an explosion-proof guide pipe which are connected in sequence; a nozzle is installed at the end of the water pipe, and the delivery device passes the water pipe together with the nozzle at the end through the resin anchor blanking device, and the nozzle pushes out the anchor assembly therein and reaches the drill hole along the explosion-proof guide pipe; the anchor assembly is provided with a resin anchor, and the resin anchor is provided with at least one expansion water stop strip along the circumferential direction.

[0008] Optionally, the resin anchor blanking device is provided with an anchor welding box, which contains a plurality of anchor assemblies; along the installation direction of the anchor assemblies, a connected first guide seat is provided at one end of the anchor welding box, and a connected second guide seat is provided at the other end of the anchor welding box.

[0009] Optionally, the nozzle is a closed body with a cavity, one end of which is connected to a water pipe, and the other end is a top connection surface, and a plurality of nozzles are arranged around the top connection surface.

[0010] Optionally, the conveying device is a reciprocating tubular conveying device for coal mines, and a conveying box is provided, in which a driving gear assembly and a driven gear assembly are provided; the driving gear assembly is rotated by a motor provided on one side of the conveying box; the driven gear assembly extends out of the other side of the conveying box and is connected to a first conveying wheel; a driven wheel buffer assembly is provided correspondingly under the first conveying wheel on the same surface as the first conveying wheel.

[0011] Optionally, the driving gear assembly includes a driving gear shaft connected to the motor, and a driving gear is sleeved on the driving gear shaft; the driven gear assembly includes a driven gear meshing with the driving gear, and a driven gear shaft is axially arranged on the driven gear; one end of the driven gear shaft extends out of the conveying box, and a first conveying wheel is installed at the end.

[0012] Optionally, the driving gear shaft is mounted on the conveying box via a first bearing; and the driven gear shaft is mounted on the conveying box via a second bearing and a third bearing respectively.

[0013] Optionally, the driven wheel buffer assembly is provided with a double-layer driven wheel seat plate, at least one buffer is supported and arranged between the driven wheel seat plates, and the driven wheel is supported and arranged on the driven wheel seat plate; and a U-shaped connecting plate is connected and arranged at the end of the double-layer driven wheel seat plate.

[0014] Optionally, the buffer component is provided with a sleeved spring pin shaft and a spring pin seat, and a spring is sleeved therebetween.

[0015] Optionally, a conveying control unit is also provided, which controls the conveying distance, conveying direction and conveying speed of the conveyed object by means of: a rotary encoder provided on the motor; a travel switch assembly provided corresponding to the first conveying wheel; and a pressure sensor assembly provided on the driven wheel buffer assembly; the conveying control unit adopts TMS320F28335 as the main control CPU.

[0016] A method for conveying a resin anchoring agent hose for coal mines is implemented by using the resin anchoring agent hose conveying system for coal mines of the present invention, and specifically comprises:

[0017] Step 1: The rotary encoder is used to collect the rotation speed of the driven gear; the first and second retaining rings are respectively sleeved on both ends of the conveyed member, and the first and second conveying wheels, the first and second travel switches, and the corresponding first and second travel switches are respectively sleeved;

[0018] Step 2: When conveying the object to be conveyed, the first stop ring fixed at one end of the object to be conveyed triggers the first travel switch, indicating that the object to be conveyed has been conveyed to the right position, and the conveying control unit sends a command to stop the motor action;

[0019] Step 3: Start the water pump control valve, and the water pump starts working; the nozzle sprays water, and the expansion water stop strip on the anchor assembly expands rapidly when it meets water, and the resin anchor assembly and the inner wall of the borehole are squeezed to achieve the positioning of the resin anchor, and the water pump is turned off;

[0020] Step 4: When the conveyed object is recovered, the second retaining ring fixed on the conveyed object triggers the second travel switch, indicating that the conveyed object is recovered in place, and a command is sent through the conveying control unit to stop the motor; when the first pressure sensor and / or the second pressure sensor exceeds the allowable error range, a command is sent through the conveying control unit to stop the motor or reduce the motor speed;

[0021] Repeat steps 2 to 4 to inject some resin anchoring agent into the borehole.

[0022] Compared with the prior art, the present invention has the following beneficial technical effects:

[0023] The drilling tool assembly of the present invention can complete the hole enlargement through the hole enlargement drill bit while drilling the anchor hole, which facilitates the hole alignment of the hole device. After the explosion-proof PVC hose pushes the resin anchor into place in the anchor hole, the water pump starts to work, the nozzle sprays water, and the PN type water-swellable water stop strip on the resin anchor assembly expands rapidly when it encounters water, and the resin anchor assembly and the inner wall of the drill hole are squeezed, thereby realizing the positioning of the resin anchor. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable one skilled in the art to make and use the present disclosure.

[0025] Figure 1 This is a schematic diagram of the structure of a hose delivery system for a resin anchoring agent for coal mines according to the present invention;

[0026] Figure 2 for Figure 1 A schematic diagram of the structure of the resin anchoring agent blanking device;

[0027] Figure 3 for Figure 1A is a schematic diagram of the nozzle structure of the present invention, A is a front view of the nozzle; B is a side view of the nozzle of the present invention;

[0028] Figure 4 for Figure 1 Schematic diagram of the structure of the combined drilling tool;

[0029] Figure 5 for Figure 1 Schematic diagram of the structure of the middle anchoring agent assembly;

[0030] Attached Figure 1-5 The meanings of the tags are as follows:

[0031] In the figure, a-hole alignment device, b-combined drilling tool, c-anchor device, d-water tank, e-water pump, e1-water pump control valve, f-water pipe, g-transport device, h-resin anchoring agent dropping device, i-explosion-proof guide pipe;

[0032] h1-first guide seat, h2-anchor welding box, h3-second guide seat, h4-fixed seat;

[0033] k-nozzle, k1-nozzle, k2-top connection surface, R-anchor agent diameter, H-nozzle height;

[0034] b1-anchor hole drill bit, b2-drill rod, b3-conical reaming drill bit;

[0035] h5-anchoring agent assembly, h51-resin anchoring agent, h52-expansion water stop strip;

[0036] Figure 6 It is a schematic diagram of the three-dimensional structure of the reciprocating tubular member conveying device for coal mines of the present invention;

[0037] Figure 7 for Figure 6 A top view of a half section;

[0038] Figure 8 for Figure 6 A front view of

[0039] Fig. 9 It is a structural schematic diagram of the driven wheel buffer assembly;

[0040] Fig.10 for Fig. 9 A schematic diagram of the structure of the buffer member;

[0041] Fig.11 It is the working flow chart of the conveying control unit;

[0042] Attached Figure 6-11 The symbols in the table represent:

[0043] 1-conveying box, 11-first conveying wheel, 12-second conveying wheel, 13-driving gear assembly, 131-driving gear shaft, 132-driving gear, 14-driven gear assembly, 141-second bearing, 142-first flat key, 143-driven gear, 144-driven gear shaft, 145-third bearing, 146-second flat key;

[0044] 2-driven wheel buffer assembly, 21-driven wheel, 22-buffer, 221-spring pin, 222-spring, 223-spring pin seat, 23-connecting plate;

[0045] 3-travel switch assembly, 31-first travel switch, 32-second travel switch;

[0046] 4-Transport control unit;

[0047] 5-part to be transported, 51-first retaining ring, 52-second retaining ring;

[0048] 6-motor, 61-rotary encoder, 62-first bearing;

[0049] 7-pressure sensor assembly, 71-first pressure sensor, 72-second pressure sensor;

[0050] Embodiments of the present invention will be described with reference to the accompanying drawings. DETAILED DESCRIPTION

[0051] The present invention is described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention. The present invention is described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0052] A brief summary of one or more aspects is given below to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all conceived aspects, and is neither intended to identify the key or critical elements of all aspects nor to define the scope of any or all aspects. Its only purpose is to give some concepts of one or more aspects in a simplified form as a prelude to a more detailed description that will be given later.

[0053] Combination Figure 1-5The resin anchor hose delivery system for coal mines of the present invention is provided with a water tank d, a water pump e, a water pipe f, a delivery device g, a resin anchor blanking device h and an explosion-proof guide pipe i which are connected in sequence; a nozzle k is installed at the end of the water pipe f, and the delivery device g passes the water pipe f together with the nozzle k at the end through the resin anchor blanking device h, and the nozzle k pushes out the anchor assembly h5 therein and reaches the borehole along the explosion-proof guide pipe i; the anchor assembly h5 is provided with a resin anchor h51, and at least one expansion water stop strip h52 is arranged on the resin anchor h51 along the circumferential direction. The water in the water tank d is controlled by the water pump control valve e1 to control the water pump e to supply water to the water pipe f (explosion-proof PVC hose). The water tank d is connected to the water pump control valve e1 through the water pipe f, and the water pump control valve e1 is connected to the water pump e through the water pipe f. The explosion-proof PVC hose passes through the conveying device g, and the explosion-proof PVC hose is inserted into the second guide seat h3, and the reciprocating motion of the explosion-proof PVC hose is realized through the conveying device g. The resin anchoring agent blanking device h is connected to the explosion-proof guide pipe i through the explosion-proof guide pipe with a pipe clamp. The anchoring agent assembly h5 is composed of a resin anchoring agent h51 and an expansion water stop strip h52. The expansion water stop strip h52 is a strip made of a PN type water-swellable material. The resin anchoring agent h51 and the expansion water stop strip h52 are bonded together. After the anchoring agent assembly h5 is delivered to the place, the water pump control valve e1 is opened, and water is sprayed out through the nozzle k1. The expansion water stop strip h52 expands when it encounters water, and the resin anchoring agent h51 is suspended in the hole by friction under the extrusion of the wall of the anchor hole. The delivery and fixation of the anchoring agent is realized through a purely mechanical structure device, which truly reduces the steps of manual operation.

[0054] In the embodiment of the present disclosure, the resin anchor blanking device h is provided with an anchor welding box h2, which contains a plurality of anchor assemblies h5; along the installation direction of the anchor assembly h5, a connected first guide seat h1 is provided at one end of the anchor welding box h2, and a connected second guide seat h3 is provided at the other end of the anchor welding box h2. The first guide seat h1 and the second guide seat h3 are respectively fixed to the left and right sides of the anchor welding box h2 by bolts, and the upper surface of the fixing seat h4 is welded to the bottom surface of the anchor welding box h2. The anchor assembly h5 is installed inside the anchor welding box h2. The conveying device g drives the explosion-proof PVC hose to enter the anchor welding box h2 along the second guide seat h3, and pushes the anchor assembly h5 in the box along the first guide seat h1 into the explosion-proof guide tube i, so as to realize the delivery of the anchor.

[0055] In the embodiment of the present disclosure, the nozzle k is a closed body of a cavity, one end of which is connected to the water pipe f, and the other end is a top surface k2, and a plurality of nozzles k1 are connected around the top surface k2. The front end of the water pipe f is connected to the nozzle k through a clamp. The top surface k2 is the diameter of the nozzle tangent circle, and the diameter of the nozzle tangent circle is ≤ the outer diameter of the resin anchor, and the four nozzles k1 are arranged in a ring. The nozzle height H is equal to the distance L from the bottom surface of the expansion water stop strip h52 to the resin anchor h51. When the anchor assembly h5 is pushed, the interference connection plays an auxiliary clamping role.

[0056] A hole alignment device a is also provided at the end of the explosion-proof guide tube i. The hole alignment device a can select the existing orifice device and the straightening device to realize the control of the conveying direction. Before the anchoring agent is conveyed, the hole expansion process is required, such as installing a combined drilling tool b at the front end. The combined drilling tool b is composed of an anchor hole drill bit b1, a drill rod b2 and a conical hole expansion drill bit b3. The anchor hole drill bit b1 is connected to the end of the drill rod b2 rod body by a thread, and the conical hole expansion drill bit b3 is connected to the drill rod b2 rod body by a thread. The drill rod b2 is connected in series with one or more drill rods according to the required anchor hole depth. The drill rods b2 are connected by threads to meet the needs of anchor holes of different depths. A single anchor rod can complete the construction of anchor holes within 3m in the coal mine at one time. Replacing different anchor hole drill bits b1 can realize anchor holes of different diameters. Among them, the anchor hole drill bit b1 is connected to the end of the drill rod b2 rod body by a thread, and the conical hole expansion drill bit b3 is connected to the drill rod b2 rod body by a thread.

[0057] In addition, an anchor device c can also be provided, and the anchor device c is installed on the power head. The power head rotates to drive the anchor device c to stir the resin anchor. According to the type of resin anchor selected, the resin anchor is solidified and the anchor tray is pre-tightened.

[0058] Combination Figure 6-11The conveying device g of the present invention is a reciprocating tubular conveying device for coal mines, and a conveying box 1 is provided, in which a driving gear assembly 13 and a driven gear assembly 14 are provided; the driving gear assembly 13 is rotated by a motor 6 provided on one side of the conveying box 1; the driven gear assembly 14 extends out of the other side of the conveying box 1 and is connected to the first conveying wheel 11; and a driven wheel buffer assembly 2 is provided correspondingly under the first conveying wheel 11 on the same plane as the first conveying wheel 11. The motor 6 used in the present invention is preferably a hydraulic cycloid motor, and the output shaft of the hydraulic cycloid motor transmits torque through the internal spline of the driving gear shaft 131. The cycloid hydraulic motor drives the driving gear 132, and the driving gear 132 meshes and rotates with two driven gears 143, and the driven gear 143 drives the driven gear shaft 144 to rotate through the first flat key 142. The first conveying wheel 11 and the driven wheel 21 are matching conveying wheels, which are composed of a series of gear trains with different diameters. The first conveying wheel 11 and the driven wheel 21 of corresponding specifications can be replaced in pairs according to the different diameters of the tubular parts actually conveyed. The transmission ratio can be changed by replacing the paired driven gear 143 (helical gear) and the driving gear 132 (helical gear). The driven wheel buffer assembly 2 moves up and down within a certain range to clamp the tubular member (such as coal mine cables, wire rope explosion-proof PVC hose) with the first conveying wheel 11. The first conveying wheel 11 realizes forward and reverse rotation under the drive of the motor 6 to drive the conveyed member 5 to reciprocate through friction.

[0059] In the embodiment of the present disclosure, the driving gear assembly 13 includes a driving gear shaft 131 connected to the motor 6, and a driving gear 132 is sleeved on the driving gear shaft 131; the driven gear assembly 14 includes a driven gear 143 meshing with the driving gear 132, and a driven gear shaft 144 is axially arranged on the driven gear 143; one end of the driven gear shaft 144 extends out of the conveying box 1, and the first conveying wheel 11 is installed at the end. The motor 6 drives the driving gear 132, and the driving gear 132 meshes and rotates with the two driven gears 143. The driven gear 143 drives the driven gear shaft 144 through a flat key, and the first conveying wheel 11 and the driven gear shaft 144 are connected through a second flat key 146, thereby realizing the rotation function of the first conveying wheel 11.

[0060] In the embodiment of the present disclosure, the diameter of the driving gear 132 is smaller than the diameter of the driven gear 143, that is, the driving gear 132 is a small gear and the driven gear 143 is a large gear, and the two realize the transmission of rotation speed through different transmission ratios.

[0061] In the embodiment of the present disclosure, the driving gear shaft 131 is mounted on the conveying box 1 through the first bearing 62. The conveying box 1 is a rectangular box body. The driving gear shaft 131 and the driven gear shaft 144 are arranged on the width surface and overlapped with the two surfaces of the conveying box, that is, overlapped through the bearing structure, and bearings are arranged on both surfaces; similarly, the driven gear shaft 144 is mounted on the conveying box 1 through the second bearing 141 and the third bearing 145 respectively.

[0062] In the embodiment of the present disclosure, the driven gear 143 is fixedly mounted on the driven gear shaft 144 via the first flat key 142; the first conveying wheel 11 is fixedly mounted on the end of the driven gear shaft 144 via the second flat key 146, and torque transmission is mainly achieved through the flat key structure.

[0063] In the embodiment of the present disclosure, the second conveying wheel 12 is arranged adjacent to the first conveying wheel 11. The first conveying wheel 11 and the driven wheel 21 are matching conveying wheels, the first conveying wheel 11 has a keyway, and the driven wheel 21 has no keyway structure, and is composed of a series of gear trains clamping different diameters. The first conveying wheel 11 and the second conveying wheel 12 are respectively provided with a set of driven gear assemblies 14 for use with the driving gear assembly 13.

[0064] In the embodiment of the present disclosure, the driven wheel buffer assembly 2 is provided with a double-layer driven wheel seat plate, at least one buffer member 22 is supported and arranged between the driven wheel seat plates, and the driven wheel 21 is supported and arranged on the driven wheel seat plate; and a U-shaped connecting plate 23 is connected and arranged at the end of the double-layer driven wheel seat plate. The U-shaped connecting plate 23 is mainly installed on the box wall of the conveying box 1 through a bolt structure, and the driven wheel buffer assembly 2 can be adjusted to move in the vertical direction as a whole to achieve height adjustment.

[0065] In the embodiment of the present disclosure, the buffer 22 is provided with a sleeved spring pin 221 and a spring pin seat 223, and a spring 222 is sleeved therebetween. One side of the spring pin 221 is welded to the upper surface of the driven wheel seat plate, and one side passes through the spring 222. One side of the spring pin seat 223 is welded to the bottom surface of the driven wheel seat plate, and the other side contacts the lower surface of the spring 222. When the driven wheel seat plate squeezes the buffer 22, one side of the spring pin 221 passes through the pin seat hole and moves downward, and the spring 222 is deformed until the maximum compression amount. For example, as shown in the figure, a total of three buffers 22 are assembled and arranged in parallel and in a straight line, and the three springs 222 are exactly the same, which provides a large clamping force for the driven wheel 21 while ensuring the linear conveying of the conveyed member 5. Springs of different stiffness can be replaced according to the actual working conditions to adjust the clamping force range. F = 3KL; where F is the spring clamping force, K is the stiffness coefficient of a single spring, and L is the maximum elongation of a single spring.

[0066] A conveying control unit 4 is also provided, and the conveying control unit 4 controls the conveying distance, conveying direction and conveying speed of the conveyed object 5 by means of: a rotary encoder 61 provided on the motor 6; a travel switch assembly 3 provided corresponding to the first conveying wheel 11; and a pressure sensor assembly 7 provided on the driven wheel buffer assembly 2; the conveying control unit 4 uses TMS320F28335 as the main control CPU.

[0067] The reciprocating tubular member conveying method for coal mines of the present invention is implemented by a reciprocating tubular member conveying device for coal mines, and specifically includes: a rotary encoder 61 is used to collect the rotation speed of a driven gear 143; a first retaining ring 51 and a second retaining ring 52 are respectively sleeved on both ends of the member to be conveyed 5, and a first conveying wheel 11 and a second conveying wheel 12, a first stroke switch 31 and a second stroke switch 32 are corresponding thereto; when conveying the member to be conveyed 5, when the first retaining ring 51 fixed at one end of the member to be conveyed 5 triggers the first stroke switch 31, it indicates that the member to be conveyed 5 is conveyed to the position, and a command is sent through the conveying control unit 4 to stop the action of the motor 6; when the member to be conveyed 5 is recovered, when the second retaining ring 52 fixed on the member to be conveyed 5 triggers the second stroke switch 32, it indicates that the member to be conveyed 5 is recovered to the position, and a command is sent through the conveying control unit 4 to stop the action of the motor 6; when the first pressure sensor 71 and / or the second pressure sensor 72 exceeds the allowable error range, a command is sent through the conveying control unit 4 to stop the action of the motor 6 or reduce the speed of the motor 6.

[0068] Specifically, Fig.11 The work flow chart of the conveying control unit 4 uses TMS320F28335 as the main control CPU, in which the rotary encoder and the travel switch are redundantly configured (control mode refers to Fig.11 ).include:

[0069] Step 1: Adjust the gap between the driven wheel buffer assembly 2 and the first conveying wheel 11 and the second conveying wheel 12 to be large enough to accommodate the object 5 to be conveyed, adjust the clamping force of the object 5 to be conveyed, and fix the first retaining ring 51 and the second retaining ring 52 at both ends of the object 5 to be conveyed;

[0070] Step 2: The conveying control unit 4 starts the motor 6 through the electro-hydraulic servo valve to start collecting conveying process data; the rotary encoder 61 is used to collect the rotation speed of the driven gear 143. Fig.11 One of the two rotary encoders (1A and 1B) is a spare encoder. When one encoder is damaged, the other one is used as a spare. The first travel switch 31 and the second travel switch 32 are used to detect the triggering of the retaining ring on the part to be conveyed 5. The first pressure sensor 71 and / or the second pressure sensor 72 are used to detect the pressure of the driven wheel 21. If the pressure exceeds the pressure tolerance range, the vehicle stops or slows down.

[0071] Step 3: When the transport control unit 4 finds that the data is abnormal, the motor 6 is stopped through the electro-hydraulic servo valve and a fault code is displayed;

[0072] Step 4: When the object 5 to be transported is being transported, the first stop ring 51 fixed at one end of the object 5 to be transported triggers the first travel switch 31, indicating that the object 5 to be transported has been transported to the right position, and the transport control unit 4 sends a command to stop the motor 6;

[0073] Step 5: When the conveying member 5 is recovered, the second stop ring 52 fixed on the conveying member 5 triggers the second travel switch 32, indicating that the conveying member 5 is recovered in place, and the conveying control unit 4 sends a command to stop the motor 6;

[0074] Step 6: When the first pressure sensor 71 and / or the second pressure sensor 72 exceeds the allowable error range, the delivery control unit 4 sends an instruction to stop the motor 6 or reduce the speed of the motor 6.

[0075] The method for conveying a resin anchoring agent hose for coal mines of the present invention is implemented by using the resin anchoring agent hose conveying system for coal mines of the present invention, and specifically comprises:

[0076] Step 1: The rotary encoder 61 is used to collect the rotation speed of the driven gear 143; the first and second stop rings 51 and 52 are respectively sleeved on both ends of the conveying member 5, and the corresponding first and second conveying wheels 11 and 12, the first and second travel switches 31 and 32;

[0077] Step 2: When the object 5 to be conveyed is being conveyed, the first stop ring 51 fixed at one end of the object 5 to be conveyed triggers the first travel switch 31, indicating that the object 5 to be conveyed has been conveyed to the right position, and the conveying control unit 4 sends a command to stop the action of the motor 6;

[0078] Step 3: Start the water pump control valve e1, and the water pump e starts to work; the nozzle k sprays water, and the expansion water stop strip h52 on the anchor assembly h5 expands rapidly when it meets water, and the resin anchor assembly h5 and the inner wall of the borehole are squeezed to achieve the positioning of the resin anchor h51, and the water pump e is turned off;

[0079] Step 4: When the conveyed object 5 is recovered, the second stop ring 52 fixed on the conveyed object 5 triggers the second travel switch 32, indicating that the conveyed object 5 is recovered in place, and a command is sent through the conveying control unit 4 to stop the motor 6; when the first pressure sensor 71 and / or the second pressure sensor 72 exceeds the allowable error range, a command is sent through the conveying control unit 4 to stop the motor 6 or reduce the speed of the motor 6;

[0080] Repeat steps 2 to 4 to feed some resin anchors into the borehole. Install the anchor device c on the power head, and the power head rotates to drive the anchor device c to stir the resin anchor. According to the type of resin anchor selected, wait for the resin anchor to solidify and pre-tighten the anchor tray. After completing the operation, reset the coal mine resin anchor hose delivery system.

[0081] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

[0082] Note that references in the specification to "one embodiment," "an embodiment," "an example embodiment," "some embodiments," etc. indicate that the described embodiments may include a particular feature, structure, or characteristic, but each embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases do not necessarily refer to the same embodiment. In addition, when a particular feature, structure, or characteristic is described in conjunction with an embodiment, whether or not explicitly described, it would be within the knowledge of a person skilled in the art to implement such feature, structure, or characteristic in conjunction with other embodiments.

[0083] The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be apparent to those skilled in the art, and the general principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein, but should be granted the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A resin anchor hose delivery system for coal mines, characterized in that: A water tank (d), a water pump (e), a water pipe (f), a conveying device (g), a resin anchoring agent dropping device (h) and an explosion-proof guide pipe (i) are provided which are connected in sequence; A nozzle (k) is installed at the end of the water delivery pipe (f), and the conveying device (g) passes the water delivery pipe (f) together with the nozzle (k) at the end through the resin anchoring agent dropping device (h), and the nozzle (k) pushes out the anchoring agent assembly (h5) therein and reaches the drill hole along the explosion-proof guide pipe (i); The anchoring agent assembly (h5) is provided with a resin anchoring agent (h51), and an expansion water stop strip (h52) is provided on the resin anchoring agent (h51) at least along the circumferential direction; The conveying device is a reciprocating tubular conveying device for coal mines, and is provided with a conveying box (1), wherein a driving gear assembly (13) and a driven gear assembly (14) are provided in the conveying box (1); the driving gear assembly (13) is rotated by a motor (6) provided on one side of the conveying box (1); the driven gear assembly (14) extends out of the other side of the conveying box (1) and is connected to a first conveying wheel (11); and a driven wheel buffer assembly (2) is provided under the first conveying wheel (11) on the same plane as the first conveying wheel (11); The driving gear assembly (13) comprises a driving gear shaft (131) connected to the motor (6), and a driving gear (132) is sleeved on the driving gear shaft (131); the driven gear assembly (14) comprises a driven gear (143) meshed with the driving gear (132), and a driven gear shaft (144) is axially arranged on the driven gear (143); one end of the driven gear shaft (144) extends out of the conveying box (1), and a first conveying wheel (11) is installed at the end.

2. The resin anchor hose delivery system for coal mines according to claim 1, characterized in that: The resin anchoring agent blanking device (h) is provided with an anchoring agent welding box (h2) which contains a plurality of anchoring agent assemblies (h5); Along the installation direction of the anchor assembly (h5), a connected first guide seat (h1) is provided at one end of the anchor welding box (h2), and a connected second guide seat (h3) is provided at the other end of the anchor welding box (h2).

3. The resin anchor hose delivery system for coal mines according to claim 1 or 2, characterized in that: The nozzle (k) is a closed body with a cavity, one end of which is connected to the water pipe (f), and the other end is a top connection surface (k2), and a plurality of nozzles (k1) are connected around the top connection surface (k2).

4. The resin anchor hose delivery system for coal mines according to claim 1 or 2, characterized in that: The driving gear shaft (131) is mounted on the conveying box (1) via a first bearing (62); The driven gear shaft (144) is mounted on the conveying box (1) via a second bearing (141) and a third bearing (145).

5. The resin anchor hose delivery system for coal mines according to claim 1 or 2, characterized in that: The driven wheel buffer assembly (2) is provided with a double-layer driven wheel seat plate, at least one buffer member (22) is supported and arranged between the driven wheel seat plates, and the driven wheel (21) is supported and arranged on the driven wheel seat plate; A U-shaped connecting plate (23) is connected to the end of the double-layer driven wheel seat plate.

6. The resin anchor hose delivery system for coal mines according to claim 5, characterized in that: The buffer member (22) is provided with a sleeved spring pin shaft (221) and a spring pin seat (223), with a spring (222) sleeved therebetween.

7. The resin anchor hose delivery system for coal mines according to claim 1 or 2, characterized in that: A conveying control unit (4) is also provided, and the conveying control unit (4) is provided at: A rotary encoder (61) on the motor (6); A travel switch assembly (3) arranged corresponding to the first conveying wheel (11); A pressure sensor assembly (7) is arranged on the driven wheel buffer assembly (2) to control the conveying distance, conveying direction and conveying speed of the conveyed object (5); The transport control unit (4) uses TMS320F28335 as the main control CPU.

8. A method for conveying resin anchoring agent hose for coal mines, characterized in that: The method is implemented by using the resin anchor hose delivery system for coal mines as claimed in claim 7, and specifically comprises: Step 1: A rotary encoder (61) is used to collect the rotation speed of the driven gear (143); a first retaining ring (51) and a second retaining ring (52) are respectively sleeved on both ends of the conveying member (5), and corresponding first conveying wheels (11) and second conveying wheels (12), a first travel switch (31) and a second travel switch (32); Step 2: When conveying the object (5) to be conveyed, the first stop ring (51) fixed at one end of the object (5) to be conveyed triggers the first travel switch (31), indicating that the object (5) to be conveyed has been conveyed to the right position, and the conveying control unit (4) sends a command to stop the action of the motor (6); Step 3: Start the water pump control valve (e1), and the water pump (e) starts to work; the nozzle (k) sprays water, and the expansion water stop strip (h52) on the anchor assembly (h5) expands rapidly when it encounters water, and the resin anchor assembly (h5) and the inner wall of the borehole are squeezed to achieve the positioning of the resin anchor (h51), and the water pump (e) is turned off; Step 4: When the transported part (5) is recovered, the second retaining ring (52) fixed on the transported part (5) triggers the second travel switch (32), indicating that the transported part (5) is recovered in place, and a command is sent through the transport control unit (4) to stop the motor (6); when the first pressure sensor (71) and / or the second pressure sensor (72) exceeds the allowable error range, a command is sent through the transport control unit (4) to stop the motor (6) or reduce the speed of the motor (6); repeat steps 2 to 4 to feed a certain amount of resin anchoring agent into the drill hole.

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