Wear-resistant center rod stabilizing device of raise boring machine

Abstract

The utility model discloses a stabilizing device for a wear-resistant center rod of a raise boring machine, and relates to the technical field of mine tunnel equipment. The device comprises a fixing support, a raise boring machine is fixedly connected in the fixing support, a moving mechanism and a stabilizing mechanism are arranged on the fixing support, the moving mechanism comprises two fixing plates fixedly connected to the fixing support, a sliding rod is fixedly connected between the two fixing plates, and the stabilizing mechanism is arranged on the fixing support. The outer wall of the sliding rod is slidably connected with two moving plates, the stabilizing mechanism comprises damping rods fixedly connected to the sides, close to each other, of the two moving plates, the sides, close to each other, of the two damping rods are fixedly connected with arc-shaped fixing plates, and the two damping rods are sleeved with springs. By arranging the stabilizing mechanism, the problems that the center rod is unstable due to the fact that the vibration amplitude of the center rod is large, the drilling quality is affected, and the construction efficiency is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine tunnel equipment technical field, especially, relate to a kind of anti-well drilling machine wear-resistant center rod stable device. BACKGROUND

[0002] In the field of mining, underground engineering construction, anti-well drilling machine plays a vital role, anti-well drilling machine forms guide hole by drilling, then carries out reaming operation, to complete the construction of vertical shaft, inclined shaft, etc., in the whole anti-well drilling process, wear-resistant center rod as key component, bears the important task of transmitting torque and axial force, and its working state stability directly affects the quality of drilling and construction efficiency.

[0003] But the existing anti-well drilling machine wear-resistant center rod stable device in use process, possibly because the vibration amplitude of center rod is larger, lead to center rod unstable, affect the quality of drilling, thereby lead to the problem of reducing construction efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of anti-well drilling machine wear-resistant center rod stable device, by setting stable mechanism, solve the problem that possibly because the vibration amplitude of center rod is larger, lead to center rod unstable, affect the quality of drilling, thereby lead to the problem of reducing construction efficiency.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a kind of anti-well drilling machine wear-resistant center rod stable device, including fixed support, mobile mechanism and stable mechanism are provided on the fixed support;

[0007] The mobile mechanism includes two fixed plates fixedly connected on the fixed support, two fixed plates are fixedly connected with slide bar between, the outer wall of slide bar is slidably connected with two moving plates, the stable mechanism includes damping rod fixedly connected on the side of two moving plates close to each other respectively.

[0008] Further, anti-well drilling machine is fixedly connected in the fixed support, two fixed plates are rotatably connected with bidirectional screw rod between, the right side of bidirectional screw rod penetrates the fixed plate located on the right side and extends to outside, two moving plates are threadedly connected with bidirectional screw rod, handle is fixedly connected on the extension of bidirectional screw rod.

[0009] Further, the side close to each other of two damping rods is fixedly connected with arc fixed plate, spring is sleeved on two damping rods, the side away from each other of two springs is fixedly connected with two moving plates respectively, the side close to each other of spring is fixedly connected with two arc fixed plates respectively.

[0010] Further, the two arc-shaped fixing plates are fixedly connected with two bidirectional hinge blocks on the sides away from each other, and the hinge rods are hingedly arranged on the sides away from the two arc-shaped fixing plates of the bidirectional hinge blocks.

[0011] Further, the two arc-shaped fixing plates are fixedly connected with two bidirectional hinge blocks on the sides away from each other, and the hinge rods are hingedly arranged on the sides away from the two arc-shaped fixing plates of the bidirectional hinge blocks.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] 1. By setting up the stable mechanism, the friction between the center rod of the reverse circulation drilling machine and the ground will make the center rod of the reverse circulation drilling machine vibrate, and the vibration force will be transmitted to the damping rod through the arc-shaped fixing plate, so as to extrude the damping rod and the spring, so that the spring generates elastic force, and when the arc-shaped fixing plate extrudes the damping rod, part of the extrusion force will be transmitted to the hinge rod through the bidirectional hinge block, so that the two hinge rods are away from each other, and part of the force is dispersed through the hinge rod, preventing the vibration amplitude from being too large, so that the center rod is kept in the correct position and posture, unnecessary friction is reduced, the service life of the center rod is prolonged, the drill bit can drill according to the predetermined trajectory, and the drilling quality and construction efficiency are improved.

[0014] 2. By setting up the moving mechanism, the handle is rotated clockwise, the handle drives the bidirectional threaded rod to rotate, so as to drive the two moving plates to slide on the slide rod and approach each other, and when the two moving plates approach each other, the two damping rods drive the two arc-shaped fixing plates to approach each other and stabilize the center rod of the reverse circulation drilling machine, so that the fixing force is adjusted, the clamping is prevented from being too tight, the center rod is prevented from being blocked when rotating, the power of the center rod is maintained, the center rod is ensured to work along the predetermined axial direction all the time, and the normal drilling operation of the drilling machine is maintained.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0017] Figure 1 It is the overall structure schematic view of the utility model;

[0018] Figure 2 It is the overall partial sectional structure schematic view of the utility model;

[0019] Figure 3 It is the sectional view structure schematic diagram of the mobile mechanism of the utility model;

[0020] Figure 4 It is the partial sectional view structure schematic diagram of the stable mechanism of the utility model;

[0021] Figure 5 It is the utility model Figure 4 The enlarged structure schematic diagram of A.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 1, fixed support; 111, reverse circulation drilling machine; 2, mobile mechanism; 211, fixed plate; 212, sliding rod; 213, moving plate; 214, two-way threaded rod; 215, handle; 3, stable mechanism; 311, damping rod; 312, arc fixed plate; 313, spring; 314, two-way hinged block; 315, hinged rod; 316, sliding rail; 317, hinged block. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model discloses a kind of reverse circulation drilling machine wear-resistant center rod stable device, including fixed support 1, fixed support 1 is provided with mobile mechanism 2 and stable mechanism 3, mobile mechanism 2 includes two fixed plates 211 fixedly connected on fixed support 1, two fixed plates 211 are fixedly connected with sliding rod 212 between, the outer wall of sliding rod 212 is slidably connected with two moving plates 213, fixed support 1 is fixedly connected with reverse circulation drilling machine 111 in, two fixed plates 211 are rotatably connected with two-way threaded rod 214 between, the right side of two-way threaded rod 214 penetrates the fixed plate 211 located on right side and extends to outside, two moving plates 213 are threadedly connected with two-way threaded rod 214, handle 215 is fixedly connected on the extension of two-way threaded rod 214, by being provided with mobile mechanism 2, so that adjusting fixed strength, prevent clamping too tight, cause center rod to be blocked when rotating, maintain the power of center rod, ensure that center rod always works along the predetermined axial direction, maintain the normal drilling operation of drilling machine.

[0026] The stabilizing mechanism 3 comprises two damping rods 311 fixedly connected to the sides of the two moving plates 213 close to each other, respectively, the sides of the two damping rods 311 close to each other are fixedly connected with two arc-shaped fixed plates 312, the two damping rods 311 are sleeved with springs 313, the sides of the two springs 313 away from each other are fixedly connected with the two moving plates 213, respectively, the sides of the springs 313 close to each other are fixedly connected with the two arc-shaped fixed plates 312, respectively, the sides of the two arc-shaped fixed plates 312 away from each other are fixedly connected with two two-way hinged blocks 314, a plurality of two-way hinged blocks 314 are hingedly provided with hinged rods 315 away from the sides of the two arc-shaped fixed plates 312, respectively, the sides of the two moving plates 213 close to each other are fixedly connected with two slide rails 316, respectively, the inner walls of a plurality of slide rails 316 are slidably connected with two hinged blocks 317, respectively, the sides of a plurality of hinged rods 315 away from each other are hinged with a plurality of hinged blocks 317, respectively, by arranging the stabilizing mechanism 3, the center rod can be kept in the correct position and posture, unnecessary friction is reduced, the service life of the center rod is prolonged, the drill bit can drill according to the predetermined trajectory, and the drilling quality and construction efficiency are improved.

[0027] One specific application of the embodiment is: when in use, rotate the handle 215 clockwise, the handle 215 drives the two-way threaded rod 214 to rotate, thereby driving the two moving plates 213 to slide on the slide rod 212 and move closer to each other, when the two moving plates 213 move closer to each other, the two damping rods 311 drive the two arc-shaped fixed plates 312 to move closer to each other and stabilize the center rod of the reverse drilling machine 111, when the reverse drilling machine 111 starts, the reverse drilling machine 111 in the device adopts ZFY1.2 reverse drilling machine accessory belt type ZFY3.5-150-400 coal bunker electric hydraulic reverse drilling machine, its working principle is: when the ZFY3.5-150-400 coal bunker electric hydraulic reverse drilling machine works, the motor drives the hydraulic motor to convert electrical energy into hydraulic energy, and drives the water faucet to transmit the torque to the drilling tool system. In the pilot hole drilling stage, the power head applies downward thrust and rotary torque to the drill rod, the drill rod drives the pilot bit, the rolling cutter rolls under the drilling pressure, breaks the rock through impact, extrusion and shear, and the rock debris is discharged along the annular space between the drill rod and the hole wall under the action of the positive circulation flushing fluid; after the pilot hole is drilled, the reverse expansion rolling cutter is replaced to drill and expand, the power head applies upward pulling force and rotary torque, so that the rolling cutter on the reaming bit extrudes and breaks the rock, and the broken rock debris falls into the lower horizontal roadway by gravity, and is cleaned and transported out by the loader and the transportation equipment, the friction between the center rod of the reverse drilling machine 111 and the ground will cause the center rod of the reverse drilling machine 111 to vibrate, the vibration force will be transmitted to the damping rod 311 through the arc-shaped fixed plate 312, thereby extruding the damping rod 311 and the spring 313, so that the spring 313 generates elastic force, when the arc-shaped fixed plate 312 extrudes the damping rod 311, part of the extrusion force will be transmitted to the articulated rod 315 through the two-way articulated block 314, thereby moving the two articulated rods 315 away from each other, so that part of the force is dispersed through the articulated rod 315, preventing the amplitude of vibration from being too large.

[0028] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A down-the-hole hammer wear resistant center rod stabilizer, characterized by: The utility model provides a fixing support (1) is provided with moving mechanism (2) and firm mechanism (3) on it, The moving mechanism (2) includes two fixed plates (211) fixedly connected on the fixing support (1), a slide rod (212) is fixedly connected between the two fixed plates (211), two moving plates (213) are slidably connected to the outer wall of the slide rod (212), and the firm mechanism (3) includes damping rods (311) fixedly connected on the sides of the two moving plates (213) close to each other.

2. A wear resistant center rod stabilizer for an uphole drill as defined in claim 1, wherein, The fixing support (1) is fixedly connected with a raise-boring machine (111) inside, a bidirectional threaded rod (214) is rotatably connected between the two fixed plates (211), the right side of the bidirectional threaded rod (214) penetrates through the right fixed plate (211) and extends to the outside, and the two moving plates (213) are threadedly connected with the bidirectional threaded rod (214).

3. A wear resistant center rod stabilizer for an uphole drill as defined in claim 2 wherein, A handle (215) is fixedly connected to the extension of the bidirectional threaded rod (214).

4. A wear resistant center rod stabilizer for an uphole drill as defined in claim 3 wherein, The sides of the two damping rods (311) close to each other are fixedly connected with arc-shaped fixed plates (312).

5. A wear resistant center rod stabilizer for a reverse circulation drilling rig as defined in claim 4 wherein, Spring (313) is sleeved on the two damping rods (311), the sides of the two springs (313) away from each other are fixedly connected with the two moving plates (213) respectively, and the sides of the two springs (313) close to each other are fixedly connected with the two arc-shaped fixed plates (312) respectively.

6. A wear resistant center rod stabilizer for an uphole drill as defined in claim 5 wherein, The sides of the two arc-shaped fixed plates (312) away from each other are fixedly connected with two bidirectional hinge blocks (314), and the sides of the plurality of bidirectional hinge blocks (314) away from the two arc-shaped fixed plates (312) are hingedly provided with hinge rods (315).

7. A wear resistant center rod stabilizer for an uphole drill as defined in claim 6 wherein, The sides of the two moving plates (213) close to each other are fixedly connected with two slide rails (316), the inner walls of the plurality of slide rails (316) are slidably connected with two hinge blocks (317), and the sides of the plurality of hinge rods (315) away from each other are hingedly connected with the plurality of hinge blocks (317).

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