Single work station automatic roof bolter
The drill box, composed of a hydraulic motor and an electrically controlled drill sleeve, of the single-position automatic anchor drilling rig solves the problems of complex connection between the drill rod and the drill box and the inability to install anchor rods without manual operation in the existing technology, thus realizing efficient and flexible automated construction.
Patent Information
- Application Number
- CN202411574239.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2044-11-06
AI Technical Summary
Existing automatic anchor drilling rigs have high precision requirements when connecting the drill rod and the drill box, resulting in a low success rate of threaded connection. This leads to complex and time-consuming connections and makes it impossible to install anchor rods without manual operation, affecting construction efficiency and adaptability.
The single-position automatic anchor bolt drilling rig utilizes a drill box consisting of a hydraulic motor and an electrically controlled drill sleeve. The size of the drill sleeve output hole and the clamping force are flexibly controlled through the electrically controlled drill sleeve, enabling easy connection between the drill rod and the anchor bolt. It is suitable for installation on various machine models and can operate automatically in self-drilling anchor bolt application scenarios.
It simplifies the connection process between the drill rod and the drill box, improves the reliability and efficiency of the connection, adapts to the needs of different types of drill rods and anchors, realizes automated construction in a single working position, and is suitable for the application of anchors with built-in resin anchoring agents.
Smart Images

Figure CN119435061B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of coal mine underground anchor rod supporting equipment, in particular to a single working position automatic anchor rod drilling machine. BACKGROUND
[0002] With the continuous improvement of the intelligent degree of coal mines, the intelligent rapid tunneling technology is continuously promoted, the mine tunneling speed has been greatly improved, and the tunneling intelligent level has also been greatly improved. The anchor rod supporting construction is one of the longest construction procedures in the tunneling process, by adopting a large number of anchor rod drills parallel operation, partial anchor rod lagging supporting mode, the influence of anchor rod supporting construction on the efficiency of roadway tunneling is reduced to a certain extent. However, with the use of a large number of anchor rod drills, the contradiction between the small number of people and the large number of operating equipment in the coal mine is highlighted, and the problem of serious shortage of operating personnel in the large number of equipment in the underground tunneling team of some coal mines.
[0003] In order to solve the above problems, various automatic anchor rod drilling machine technologies are developed, according to the drilling rod and anchor rod switching mode, which can be mainly divided into two main technical routes of drilling rod anchor rod double working position rotary switching and drilling rod anchor rod double working position balance switching. The above two routes need to use three positions, one of which is a working position, which leads to a relatively large size of the drill, and it is difficult to arrange the drill on various whole machine equipment, and the adaptability is poor in the coal mine.
[0004] Another single working position drill form adopts the form of threaded connection between the drilling rod and the drill box, solves the problem that the drilling rod is easy to fall after being loaded during drilling, and at the same time, due to the size limitation of the thread on the drilling rod and the drill box, the thread on the drilling rod and the drill box requires high precision during butt joint, and in actual application, the success rate of thread butt joint is low, and the drilling machine connection rod process is complex and time-consuming, and the efficiency is low. Secondly, because the drill box needs to adopt a threaded output shaft form to connect with the drilling rod, the drill box cannot be connected with the anchor rod nut in the application of the automatic anchor rod drilling machine, so that the drill does not have the ability to install the anchor rod without manual operation. SUMMARY
[0005] The present application aims to provide a single working position automatic anchor rod drilling machine to solve the problems raised in the background art.
[0006] To achieve the above purpose, the present application provides the following technical scheme:
[0007] The utility model provides a single work position automatic anchor rod drilling machine, including frame assembly, feed mechanism, anchor rod clamping mechanism, drill box assembly, drill rod mounting arm and anchor rod mounting arm, the anchor rod clamping mechanism is installed on the upper end of frame assembly, and the drill rod mounting arm and anchor rod mounting arm are respectively installed on the outside of the both sides board of frame assembly, the drill rod mounting arm is used for clamping drill rod, and the anchor rod mounting arm is used for clamping anchor rod, the feed mechanism is installed in the inside of frame assembly, and the feed mechanism is used for controlling the up-down movement of drill box assembly along frame assembly.
[0008] As a further scheme of the utility model: the feed mechanism includes feed guide column, feed oil cylinder and guide connecting plate, the feed guide column is provided with two, and the lower end of feed guide column is fixedly connected with the lower end of frame assembly, and the upper end of feed guide column is fixedly connected with anchor rod clamping mechanism, the lower end of feed oil cylinder is connected with the lower end of frame assembly, and the upper end of feed oil cylinder is fixed with anchor rod clamping mechanism, the cylinder of feed oil cylinder is installed with feed chain and guide sprocket, the guide connecting plate is slidably connected with the guide column, and the guide connecting plate can slide up and down along the feed guide column, and the guide connecting plate is provided with fixed hole and is used for fixing drill box assembly.
[0009] As a further scheme of the utility model: the anchor rod clamping mechanism includes fixed plate, anchor rod clamping connecting rod and anchor rod clamping oil cylinder, the fixed plate is fixedly connected with frame assembly, the anchor rod clamping connecting rod is provided with two, and the two anchor rod clamping connecting rods are arranged on the both sides of fixed plate and are installed with anchor rod clamping oil cylinder between the tail of anchor rod clamping connecting rod and fixed plate, the anchor rod clamping connecting rod is rotatably connected with the fixed plate, and the end of anchor rod clamping connecting rod is processed with semicircular hole, two anchor rod clamping connecting rods are folded, and a circular hole is formed at the central axis of drilling machine, so that the positioning and guiding of drill rod and anchor rod are realized.
[0010] As a further scheme of the utility model: the drill box assembly includes electric control drill sleeve and hydraulic motor, the output shaft of hydraulic motor is connected with the drill sleeve assembly of electric control drill sleeve, drives the rotation of drill sleeve assembly, realizes the rotation torque output of drill box assembly.
[0011] As a further scheme of the utility model: the drill rod mounting arm includes fixed seat, upper connecting rod, lower connecting rod, drive oil cylinder, front connecting rod and hydraulic clamping jaw, one side of fixed seat is connected with the side plate of frame assembly, is used for fixing drill rod mounting arm to the side of drilling machine, and the other side of fixed seat is processed with a plurality of lug seats, a plurality of lug seats are connected with the pin hole of upper connecting rod, lower connecting rod and drive oil cylinder respectively, and are used for connecting and installing upper connecting rod, lower connecting rod and drive oil cylinder.
[0012] As a further scheme of the present application: the outer ends of the upper and lower connecting rods are connected with the upper and lower end pin holes of the front connecting rod respectively, the center distance of the two sets of connecting rod pin holes is the same, the distance between the front connecting rod and the connecting rod mounting hole of the fixed seat is the same, the upper connecting rod and the lower connecting rod are parallel to each other after installation, and the front connecting rod and the fixed seat are parallel to each other; the hydraulic clamping jaws are installed on the front end of the front connecting rod through a pin shaft, and the two sets of hydraulic clamping jaws are coaxial after installation.
[0013] As a further scheme of the present application: the anchor rod mounting arm and the drill rod mounting arm are of the same structure, and are installed on the other side of the frame assembly for clamping the anchor rod during work.
[0014] A use method of a single working position automatic anchor rod drill, comprising the following steps:
[0015] Preparation work: the drill rod is clamped and installed to the hydraulic clamping jaw of the drill rod mounting arm, and the drill rod is clamped by the hydraulic clamping jaw of the drill rod mounting arm; the resin anchor agent anchor rod is clamped and installed to the hydraulic clamping jaw of the anchor rod mounting arm, and the anchor rod is clamped by the hydraulic clamping jaw of the anchor rod mounting arm.
[0016] Drilling: the driving oil cylinder of the drill rod mounting arm is extended to the coaxial state of the drill rod axis and the drill box assembly axis; the electric control drill sleeve of the drill box assembly is opened to be larger than the drill rod connection size under the control of the electric control system; the drill box assembly is driven to rise by the feeding mechanism, and the tail of the drill rod is completely inserted into the hole of the electric control drill sleeve; the electric control drill sleeve is contracted to the size of the drill rod, the drill rod is clamped, the clamping force of the hydraulic clamping jaw is reduced, and the drill rod can rotate freely; the drill rod is driven to rotate through the drill sleeve assembly; at the same time, the drill box assembly is driven to rise by the feeding mechanism, and drilling starts; after drilling to a certain depth, the drill rod mounting arm is retracted to the anchor rod drill side; drilling continues to the specified depth; after the drill rod is withdrawn to a certain depth, the drill rod mounting arm is extended, the drill rod is clamped, and the drill sleeve assembly hole is adjusted to the drill rod release state; the drill box assembly continues to be lowered to the initial position, and the drill rod mounting arm is retracted to the drill side, and drilling is completed.
[0017] Anchor rod installation: the driving oil cylinder of the anchor rod mounting arm is extended to the coaxial state of the anchor rod axis and the drill box assembly axis; the electric control drill sleeve of the drill box assembly is opened to be larger than the anchor rod connection size under the control of the electric control system; the drill box assembly is driven to rise by the feeding mechanism, and the tail of the anchor rod is completely inserted into the hole of the electric control drill sleeve; the electric control drill sleeve is contracted to the size of the anchor rod, the anchor rod is clamped, the clamping force of the anchor rod mounting arm is reduced, and the anchor rod can rotate freely; the drill box assembly is driven to rise by the feeding mechanism, and the anchor rod is pushed into the hole to a certain depth; after the anchor rod mounting arm is retracted to the anchor rod drill side, the anchor rod is continuously pushed into the hole to the specified depth, and the anchor rod installation is completed.
[0018] Compared with the prior art, the present application has the beneficial effects that: the present application discloses a single working position automatic anchor rod drilling machine, which adopts a single working position form, has a smaller size, and is suitable for installation and matching with various machine types. Among them, the drilling box is composed of a hydraulic motor and an electric control drill sleeve; the electric control drill sleeve can flexibly control and adjust the size of the drill sleeve output hole and the clamping force of the drill sleeve on the drill rod, anchor rod and the like according to the instructions of the control system, can conveniently and flexibly connect drill anchor rods of different models, and is simple and reliable in connection, can greatly simplify the connection of the drill rod and the drill box, and can adapt to different connection requirements of the drill rod and the anchor rod; the anchor rod drilling machine is suitable for built-in resin anchoring agent anchor rods, can be applied in the application scene of the self-drilling anchor rod, adopts a single working position form, flexibly realizes the processes of drill rod drilling, drill rod retraction, anchor rod connection, anchor rod installation, anchor rod pre-tightening and the like, and realizes a single working position automatic anchor rod drilling machine. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of a single working position automatic anchor rod drilling machine.
[0020] Figure 2 It is a structural schematic diagram of a frame assembly in a single working position automatic anchor rod drilling machine.
[0021] Figure 3 It is a structural schematic diagram of a feeding mechanism in a single working position automatic anchor rod drilling machine.
[0022] Figure 4 It is a structural schematic diagram of a drill rod clamping mechanism in a single working position automatic anchor rod drilling machine.
[0023] Figure 5 It is a structural schematic diagram of a drilling box assembly in a single working position automatic anchor rod drilling machine.
[0024] Figure 6 It is a sectional view of an electric control drill sleeve in a single working position automatic anchor rod drilling machine.
[0025] Figure 7 It is a structural schematic diagram of a drill sleeve assembly in a single working position automatic anchor rod drilling machine Figure 1 .
[0026] Figure 8 It is a structural schematic diagram of a drill sleeve assembly in a single working position automatic anchor rod drilling machine Figure 2 .
[0027] Figure 9 It is a structural schematic diagram of an output pressing block in a single working position automatic anchor rod drilling machine.
[0028] Figure 10 It is a structural schematic diagram of a drill rod installation arm in a single working position automatic anchor rod drilling machine.
[0029] In the figure: 1-frame assembly; 2-feeding mechanism, 21-feeding oil cylinder, 22-feeding guide column, 23-guide connecting plate; 3-drill rod clamping mechanism, 31-fixed plate, 32-drill rod clamping oil cylinder, 33-drill rod clamping connecting rod; 4-drill box assembly, 411-fixed housing, 412-housing end cover, 413-bearing assembly, 414-sealing assembly, 415-self-lubricating support ring, 416-drill sleeve assembly, 4161-input shaft, 4162-support housing, 4163-housing end cover, 4164-drill sleeve motor stator, 4165-drill sleeve motor rotor, 4166-pressing ring, 4167-reset spring, 4168-output pressing block, 4169-pressing block pin; 5-drill rod mounting arm, 51-fixed seat, 52-upper connecting rod, 53-lower connecting rod, 54-driving oil cylinder, 55-front connecting rod, 56-hydraulic clamping jaw; 6-anchor rod mounting arm. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0031] Please refer to Figures 1-10 In the embodiments of the present application, a single working position automatic anchor rod drilling machine comprises a frame assembly 1, a feeding mechanism 2, a drill rod clamping mechanism 3, a drill box assembly 4, a drill rod mounting arm 5 and an anchor rod mounting arm 6. The frame assembly 1, as the main load-bearing structure of the drilling machine, is made of high-strength steel by welding. The drill rod clamping mechanism 3 is installed on the upper end of the frame assembly 1. The drill rod mounting arm 5 and the anchor rod mounting arm 6 are respectively installed on the outer sides of the two side plates of the frame assembly 1. The drill rod mounting arm 5 is used for clamping a drill rod, and the anchor rod mounting arm 6 is used for clamping an anchor rod. The feeding mechanism 2 is installed inside the frame assembly 1 and is used for controlling the drill box assembly 4 to move up and down along the frame assembly 1.
[0032] Please refer to Figure 3The feeding mechanism 2 comprises a feeding guide column 22, a feeding oil cylinder 21 and a guide connecting plate 23, in the embodiment of the application, the feeding guide column 22 is provided with two, the lower end of the feeding guide column 22 is fixedly connected with the lower end of the frame assembly 1, and the upper end of the feeding guide column 22 is fixedly connected with the drill rod clamping mechanism 3; the lower end of the feeding oil cylinder 21 is connected with the lower end of the frame assembly 1, and the upper end of the feeding oil cylinder 21 is fixed with the drill rod clamping mechanism 3, the inside of the feeding oil cylinder 21 is provided with hydraulic oil through the drill rod clamping mechanism 3, the feeding chain and the guide sprocket are installed on the cylinder barrel of the feeding oil cylinder 21, the guide connecting plate 23 is a whole steel structure, the guide connecting plate 23 is slidably connected with the guide column 22, the guide connecting plate 23 can slide up and down along the feeding guide column 23, and the guide connecting plate 23 is provided with a fixing hole and can be used for fixing the drill box assembly 4.
[0033] Please refer to Figure 4 The drill rod clamping mechanism 3 comprises a fixed plate 31, a drill rod clamping connecting rod 33 and a drill rod clamping oil cylinder 32, the fixed plate 31 is a steel plate, the fixed plate 31 is fixedly connected with the frame assembly 1, the drill rod clamping connecting rod 33 is provided with two, the two drill rod clamping connecting rods 33 are arranged on the two sides of the fixed plate 31, and the drill rod clamping oil cylinder 32 is installed between the tail of the drill rod clamping connecting rod 33 and the fixed plate 31; the drill rod clamping connecting rod 33 is rotatably connected with the fixed plate 31, and the end of the drill rod clamping connecting rod 33 is processed into a semicircular hole, when the two drill rod clamping connecting rods 33 are closed, a circular hole is formed at the central axis of the drilling machine, and the positioning and guiding of the drill rod and the anchor rod are realized.
[0034] Please refer to Figure 4 The drill box assembly 4 comprises an electric control drill sleeve 41 and a hydraulic motor 42, the output shaft of the hydraulic motor 42 is connected with the drill sleeve assembly of the electric control drill sleeve 41, the drill sleeve assembly is driven to rotate, and the function of the drill box assembly 4 to output the rotary torque to the outside is realized.
[0035] As shown in Figure 5 In the embodiment of the application, the electric control drill sleeve 41 comprises a fixed shell 411, a shell end cover 412, a bearing assembly 413, a sealing assembly 414, a self-lubricating support ring 415 and a drill sleeve assembly 416, the fixed shell 411 is used for supporting the drill sleeve assembly 416, the fixed shell 411 is a steel cylindrical structure, the end of the fixed shell 411 is processed into a flange, which is used for being connected with the shell of the output end of the planetary reducer, and the inner surface of the fixed shell 411 is processed into an installation surface of a needle bearing outer ring;
[0036] Further, in the embodiment of the present application, the shell end cover 412 is connected with the end surface of the fixed shell 411, the inner hole of the shell end cover 412 is sealed with the shell end cover output shaft of the drill sleeve assembly 416 through the sealing assembly 414, the sealing assembly 414 is installed between the shell end cover 412 and the shell end cover 412 of the drill sleeve assembly 416, and a self-lubricating support ring 415 is installed between the end surface of the shell end cover 412 and the shell end cover 4163, the self-lubricating support ring 415 is installed between the shell end cover 412 and the shell end cover of the drill sleeve assembly 416, and the self-lubricating support ring 415 is used to support the drill sleeve assembly 416 during the drilling withdrawal, so as to prevent the axial displacement from being too large.
[0037] The drill sleeve assembly 416 is supported inside the fixed shell 411 through the bearing assembly 413, the input shaft 4161, the support shell 4162 and the shell end cover 4163 of the drill sleeve assembly 416 are fixedly connected as a whole, the bearing assembly 413 includes a pair of thrust bearings and a pair of needle bearings, which respectively support the axial movement and the radial movement of the drill sleeve assembly 416, the inner ring of the needle bearing is installed on the outer surface of the support shell 4162 of the drill sleeve assembly 416, and the outer ring of the needle bearing is installed on the inner surface of the fixed shell 411; one end of the thrust bearing is installed on the output end shell of the planetary reducer, and the other end is installed on the end surface of the input shaft of the drill sleeve assembly.
[0038] The drill sleeve assembly 416 includes an input shaft 4161, a support shell 4162, a shell end cover 4163, a drill sleeve motor stator 4164, a drill sleeve motor rotor 4165, a pressure ring 4166, a reset spring 4167, an output pressing block 4168 and a pressing block pin 4169; the end of the input shaft 4161 is connected with the support shell 4162, the shaft hole inside the input shaft 4161 is processed with splines, which are matched with the splines of the output shaft of the planetary carrier of the planetary reducer, and the outer circular surface and the end surface of the input shaft 4161 are processed to be matched with the thrust bearing; the shell end cover 4163 is connected with the support shell 4162, the outer cylindrical surface on the inner side of the shell end cover 4163 is processed with external threads, the threads are fine threads, and the fine threads are matched with the internal threads of the pressure ring 4166; the outer surface of the support shell 4162 is processed with bearing installation surfaces, the inner surface of the support shell 4162 is tightly matched with the outer surface of the drill sleeve motor stator 4164, the inner surface of the middle installation plate of the support shell 4162 is processed smooth, and is processed with pressing block pin installation holes and sliding grooves of the spring installation rod of the output pressing block 4168.
[0039] The drill sleeve motor stator 4164 is installed on the inner surface of the support shell 4162, is tightly matched with the inner surface of the support shell 4162 and is fixed; the drill sleeve motor rotor 4165 is coaxially installed in the inner hole of the stator, and can rotate flexibly after installation; the inner hole of the rotor is a regular polygon, can be matched with the regular polygon processed on the outer circle of the pressure ring, and can drive the pressure ring to rotate flexibly along the threads matched with the shell end cover during the rotation of the rotor.
[0040] The compression ring 4166 is made of high-strength copper material, and the inner surface is processed with fine thread, which is matched with the shell end cover 4163, and can be flexibly rotated to realize the movement along the thread axis direction; the outer surface of the compression ring 4166 is processed as a regular polygon, which is matched with the inner hole regular polygon of the drill sleeve motor rotor, and the lower end inner surface of the compression ring 4166 is processed as a smooth taper surface.
[0041] The reset spring 4167 is a tension spring, and there are six pieces, one end of which is installed on the support shell 4162, and the other end is connected with the spring mounting rod of the output pressing block 4168, which is used to ensure the timely reset of the output pressing block 4168.
[0042] The output pressing block 4168 is made of high-strength steel material, and there are six pieces, which are hingedly installed in the space formed by the support shell 4162 and the shell end cover 4163 through the pressing block pin, and can be flexibly swung after installation; the six output pressing blocks 4168 are uniformly arranged in the hole, and the working surface of the six output pressing blocks 4168 is combined into a regular hexagonal hole after installation; the outer side of the output pressing block 4168 is provided with a long taper surface. After the output pressing block 4168 is rotated downward, the output pressing block 4168 can be swung toward the central axis at the same time, so that the size of the regular hexagonal hole combined by the six output pressing blocks 4168 is reduced; after the compression ring rises, the output pressing block 4168 can be reset under the action of the spring, so that the regular hexagonal hole is adjusted to increase. The working surface of the output pressing block 4168 is machined with a series of small teeth, and is treated by quenching, so as to have high hardness and toughness.
[0043] Please refer to Figure 10 , the drill rod mounting arm 5 includes a fixed seat 51, an upper connecting rod 52, a lower connecting rod 53, a driving oil cylinder 54, a front connecting rod 55 and a hydraulic clamping jaw 56, wherein one side of the fixed seat 51 is connected with the side plate of the frame assembly 1, and is used to fix the drill rod mounting arm 5 to the side of the drilling machine; a plurality of ear seats are processed on the other side of the fixed seat 51, and are respectively connected with the pin holes of the upper connecting rod 52, the lower connecting rod 53 and the driving oil cylinder 54, and are used to connect and install the upper connecting rod 52, the lower connecting rod 53 and the driving oil cylinder 54; the outer side ends of the upper connecting rod 52 and the lower connecting rod 53 are respectively connected with the upper and lower end pin holes of the front connecting rod 55, the center distance of the two groups of connecting rod pin holes is the same, the distance between the front connecting rod 55 and the connecting rod mounting hole of the fixed seat is the same, and after the installation of each connecting rod is completed, it is ensured that the upper connecting rod 52 and the lower connecting rod 53 are parallel to each other, and the front connecting rod 55 and the fixed seat 51 are parallel to each other; the hydraulic clamping jaw 56 is installed on the front end of the front connecting rod 55 through a pin shaft, and after the installation is completed, the two groups of hydraulic clamping jaws are coaxial.
[0044] In addition, it needs to be explained that in the embodiment of the present application, the anchor rod mounting arm 6 has the same structure as the drill rod mounting arm 5, and is installed on the other side of the frame assembly 1, and is used to clamp the anchor rod during the work.
[0045] A method for using a single working position automatic anchor rod drilling machine, comprising the following steps:
[0046] S101, preparation: the drill rod is clamped and installed to the hydraulic clamping jaw 56 of the drill rod installation arm 5, and the drill rod is clamped by the hydraulic clamping jaw 56 of the rod installation arm 5; the built-in resin anchor agent anchor rod is clamped and installed to the hydraulic clamping jaw 56 of the anchor rod installation arm 6, and the anchor rod is clamped by the hydraulic clamping jaw 56 of the anchor rod installation arm 6.
[0047] S102, drilling: the driving oil cylinder 54 of the drill rod installation arm 5 is extended to the coaxial state of the drill rod axis and the drill box assembly 4 axis; the electric control drill sleeve 41 of the drill box assembly 4 is opened to be larger than the drill rod connection size under the control of the electric control system; the drill box assembly 4 is driven to rise by the feeding mechanism 2, until the tail of the drill rod is completely inserted into the hole of the electric control drill sleeve 41; the electric control drill sleeve 4 is contracted to the size of the drill rod, the drill rod is clamped, and the hydraulic clamping jaw 56 is lowered to the clamping force of the drill rod, so that the drill rod can rotate freely; the drill rod is driven to rotate by the drill sleeve assembly 4; at the same time, the drill box assembly 4 is driven to rise by the feeding mechanism 2, and the drilling is started; after drilling to a certain depth, the drill rod installation arm 5 is retracted to the side of the anchor rod drilling machine; the drilling continues to the specified depth; after the drill rod is withdrawn to a certain depth, the drill rod installation arm 5 is extended, the drill rod is clamped, and the drill sleeve assembly 4 hole is adjusted to the drill rod release state; the drill box assembly 4 continues to be lowered to the initial position, and the drill rod installation arm 5 is retracted to the side of the drilling machine, and the drilling is completed.
[0048] S103, anchor rod installation: the anchor rod installation arm 6 driving oil cylinder is extended to the coaxial state of the anchor rod axis and the drill box assembly 4 axis; the electric control drill sleeve of the drill box assembly 4 is opened to be larger than the anchor rod connection size under the control of the electric control system; the drill box assembly 4 is driven to rise by the feeding mechanism 2, until the tail of the anchor rod is completely inserted into the hole of the electric control drill sleeve; the electric control drill sleeve is contracted to the size of the anchor rod, the anchor rod is clamped, and the anchor rod installation arm 6 clamping jaw is lowered to the clamping force of the anchor rod, so that the anchor rod can rotate freely; the drill box assembly 4 is driven to rise by the feeding mechanism 2, and the anchor rod is pushed into the hole to a certain depth, then the anchor rod installation arm 6 is retracted to the side of the anchor rod drilling machine; the anchor rod continues to be pushed into the hole to the specified depth, and the anchor rod installation is completed.
[0049] It is apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, and that the application can be implemented in other specific forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
[0050] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. A single work station automatic rock drill, characterized in that, The utility model provides a frame assembly (1), feed mechanism (2), anchor clamping mechanism (3), drill box assembly (4), drill rod installation arm (5) and anchor rod installation arm (6) are included, wherein, the frame assembly (1) upper end is installed anchor clamping mechanism (3), and the frame assembly (1) both sides board outside is installed respectively drill rod installation arm (5) with anchor rod installation arm (6), drill rod installation arm (5) is used for clamping drill rod, and anchor rod installation arm (6) is used for clamping anchor rod;The frame assembly (1) inside is installed feed mechanism (2), and feed mechanism (2) is used for controlling drill box assembly (4) moves up and down along the frame assembly (1);Drill box assembly (4) includes electric control drill sleeve (41) and hydraulic motor (42), and the output shaft of hydraulic motor (42) is connected with the drill sleeve assembly of electric control drill sleeve (41), drives drill sleeve assembly rotation, realizes the rotation torque of drill box assembly (4) to the outside output; The electric control drill sleeve (41) includes fixed shell (411), shell end cover (412), bearing assembly (413), sealing assembly (414), self-lubricating support ring (415) and drill sleeve assembly (416), the fixed shell (411) is used for supporting the drill sleeve assembly (416), and the fixed shell (411) is a steel cylindrical structure, and the end of fixed shell (411) is processed with flange, is used for connecting the shell of planetary reducer output end, and the inner surface of fixed shell (411) is processed with the mounting surface of needle roller bearing outer ring; The shell end cover (412) is connected with the end face of fixed shell (411), and the inner hole of shell end cover (412) forms sealing with the shell end cover output shaft of drill sleeve assembly (416) through sealing assembly (414), the sealing assembly (414) is installed between shell end cover (412) and the shell end cover (412) of drill sleeve assembly (416), and a self-lubricating support ring (415) is installed between the end face of shell end cover (412) and shell end cover (4163), the self-lubricating support ring (415) is installed between shell end cover (412) and the shell end cover of drill sleeve assembly (416), and the self-lubricating support ring (415) is used for supporting drill sleeve assembly (416) when backing off, to prevent axial displacement too much.
2. A single work station roof bolter as claimed in claim 1 wherein, The feed mechanism (2) includes feed guide column (22), feed oil cylinder (21) and guide connecting plate (23), the feed guide column (22) is provided with two, and the lower end of feed guide column (22) is fixedly connected with the lower end of frame assembly (1), and the upper end of feed guide column (22) is fixedly connected with anchor clamping mechanism (3);The lower end of feed oil cylinder (21) is connected with the lower end of frame assembly (1), and the upper end of feed oil cylinder (21) is fixed with anchor clamping mechanism (3), and feed oil cylinder (21) is installed with feed chain and guide sprocket on the cylinder barrel, and guide connecting plate (23) is slidably connected with the guide column (22), guide connecting plate (23) can slide up and down along feed guide column (22), and guide connecting plate (23) has fixed hole and is used for fixing drill box assembly (4).
3. A single-man automatic rock drilling rig according to claim 1, characterized in that, The drill rod clamping mechanism (3) comprises a fixed plate (31), drill rod clamping links (33) and drill rod clamping oil cylinders (32), the fixed plate (31) is fixedly connected with the frame assembly (1), two drill rod clamping links (33) are arranged on the two sides of the fixed plate (31), and the drill rod clamping oil cylinders (32) are arranged between the tail of the drill rod clamping links (33) and the fixed plate (31); the drill rod clamping links (33) are rotationally connected with the fixed plate (31), and the end of the drill rod clamping link (33) is provided with a semicircular hole; when the two drill rod clamping links are closed, a circular hole is formed at the central axis of the drilling machine, thereby realizing the positioning and guiding of the drill rod and the anchor rod.
4. A single-man automatic rock drilling rig according to claim 1, characterized in that, The drill rod mounting arm (5) comprises a fixed seat (51), an upper connecting rod (52), a lower connecting rod (53), a driving oil cylinder (54), a front connecting rod (55) and hydraulic clamping jaws (56), wherein one side of the fixed seat (51) is connected with the side plate of the frame assembly (1), and is used for fixing the drill rod mounting arm (5) to the side of the drilling machine; a plurality of ear seats are arranged on the other side of the fixed seat (51), and the plurality of ear seats are respectively connected with the pin holes of the upper connecting rod (52), the lower connecting rod (53) and the driving oil cylinder (54), and are used for connecting and mounting the upper connecting rod (52), the lower connecting rod (53) and the driving oil cylinder (54).
5. A single work station roof bolter as claimed in claim 4 wherein, The outer ends of the upper connecting rod (52) and the lower connecting rod (53) are respectively connected with the upper and lower end pin holes of the front connecting rod (55), the center distance of the two groups of connecting rod pin holes is the same, the distance between the connecting rod mounting hole of the front connecting rod (55) and the fixed seat is the same, the upper connecting rod (52) and the lower connecting rod (53) are parallel to each other after being mounted, and the front connecting rod (55) and the fixed seat (51) are parallel to each other; the hydraulic clamping jaws (56) are installed on the front end of the front connecting rod (55) through a pin shaft, and the two groups of hydraulic clamping jaws are coaxial after being mounted.
6. A single-station roof bolter as defined in claim 5, characterized in that, The anchor rod mounting arm (6) has the same structure as the drill rod mounting arm (5), is mounted on the other side of the frame assembly (1), and is used for clamping the anchor rod during the working process.
Citation Information
Patent Citations
Double drilling-box switching type full-automatic roofbolter
CN105350992A
Variable-stroke double-position sliding type automatic rod replacing mechanism for coal mine and jumbolter
CN116816406A