Quick positioning device for drill bit of raise boring machine

Abstract

The utility model discloses a raise boring machine drill bit quick positioning device which comprises a supporting ring, a gradienter, three leveling mechanisms and a positioning mechanism, the gradienter is installed on the supporting ring, the three leveling mechanisms are installed at the bottom of the supporting ring, and the positioning mechanism is installed on the supporting ring. The positioning mechanism comprises a vertical sliding rail, a first sliding block, a base plate, a transverse sliding rail, a second sliding block, an adapter frame, a positioning rod, a connecting rod and a semicircular positioning ring, the vertical sliding rail is fixed to the supporting ring, the first sliding block is slidably installed on the vertical sliding rail, the base plate is fixed to the upper side of the first sliding block, the transverse sliding rail is fixed to the base plate, the second sliding block is slidably installed on the transverse sliding rail, and the adapter frame is connected with the adapter frame. An adapting frame is fixed to the second sliding block, the adapting frame is fixed to the positioning rod, and the semicircular positioning ring is fixed to the adapting frame through a connecting rod. The drill bit of the raise boring machine is convenient to position, and the drill bit is prevented from deviating during punching.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reverse drilling rig technical field especially relates to a reverse drilling rig drill bit quick positioning device. BACKGROUND

[0002] The reverse drilling rig process principle is that the motor of the drilling rig drives the hydraulic motor, the hydraulic motor drives the faucet, and the torque is transmitted to the drilling tool system by using the hydraulic power to drive the drill pipe and the drill bit to rotate, the hob on the pilot hole drill bit or the reamer bit makes pure rolling or micro-slippage along the bottom rock working surface under the action of the drilling pressure. At the same time, the axial tension and compression force generated by the main machine oil cylinder also acts on the pilot hole drill bit or the reamer bit through the power head and the drill pipe, so that the hob of the pilot hole drill bit rolls under the action of the drilling pressure, generates impact load, and the hob teeth produce impact, extrusion and shearing effect on the rock, breaking the rock.

[0003] The reverse drilling rig is difficult to directly position the drill bit with the ground when drilling, and is mostly observed by the naked eye, which affects the accuracy of the punching position, so that the position of the drilling hole may be different from the required position. Therefore, in view of the above status, it is urgent to develop a reverse drilling rig drill bit quick positioning device which is convenient for positioning the drill bit of the reverse drilling rig and prevents the drill bit from deviating during punching, so as to overcome the shortcomings in the current actual application and meet the current needs. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a reverse drilling rig drill bit quick positioning device to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A reverse drilling rig drill bit quick positioning device, comprising a support ring, a level, a leveling mechanism and a positioning mechanism, the level is installed on the support ring, three leveling mechanisms are installed at the bottom of the support ring for supporting and leveling the support ring, the positioning mechanism is installed on the support ring, the positioning mechanism comprises a positioning rod, an adapter frame, a connecting rod and a semicircular positioning ring, the center axis of the positioning rod, the semicircular positioning ring and the support ring coincides, the positioning rod passes through the support ring, the upper end of the positioning rod is connected with the adapter frame which is arranged along the radial direction of the support ring, the adapter frame is connected with the connecting rod, and the connecting rod is connected with the semicircular positioning ring, the inner diameter of the semicircular positioning ring is the diameter of the drill pipe of the reverse drilling rig which the positioning device is adapted to.

[0007] Further, the positioning mechanism further comprises a translation mechanism, the translation mechanism is arranged on the support ring, and the translation mechanism is connected with the positioning mechanism.

[0008] Further, the translation mechanism comprises a vertical translation assembly and a horizontal translation assembly connected with each other; the vertical translation assembly is installed on the support ring to drive the horizontal translation assembly to vertically translate; the horizontal translation assembly is installed with the positioning mechanism to drive the positioning mechanism to horizontally translate.

[0009] Further, the vertical translation assembly comprises a vertical sliding rail and a first sliding block; the vertical sliding rail is horizontally fixedly installed on the support ring, and the first sliding block is in sliding cooperation with the vertical sliding rail; the first sliding block is connected with the horizontal translation assembly.

[0010] Further, the horizontal translation assembly comprises a base plate, a horizontal sliding rail and a second sliding block; the base plate is fixed with the first sliding block, the horizontal sliding rail is fixed on the base plate, and the second sliding block is in sliding cooperation with the horizontal sliding rail; the second sliding block is connected with the adapter frame or the connecting rod.

[0011] Further, the leveling mechanism comprises a base, a threaded sleeve, a lever, a supporting screw and a limiting rod; the supporting screw penetrates through the base and is in threaded cooperation with the threaded sleeve; the threaded sleeve is rotationally arranged on the base, a plurality of levers are fixed to the outer side of the threaded sleeve, the upper end of the supporting screw is supported on the lower end of the support ring, and the lower end of the supporting screw is fixed with the limiting rod which penetrates through the base horizontally.

[0012] Further, the limiting rod is in sliding connection with the base, and the base is provided with a limiting sliding groove for the movement of the limiting rod.

[0013] Further, the three leveling mechanisms are arranged in a ring array with the central axis of the support ring as a reference.

[0014] The utility model discloses a quick positioning device for a raise boring machine drill bit, which comprises a support ring, a positioning mechanism, a vertical translation assembly and a horizontal translation assembly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0016] Figure 2 It is a use state schematic diagram of the utility model.

[0017] Figure 3 This is a partial structural diagram of the present invention. Figure 1 .

[0018] Figure 4 This is a partial structural diagram of the present invention. Figure 2 .

[0019] Legend:

[0020] 1. Support ring; 2. Level; 3. Leveling mechanism; 301. Base; 3011. Limiting groove; 302. Threaded sleeve; 303. Actuating rod; 304. Support screw; 305. Limiting rod; 4. Positioning mechanism; 401. Vertical slide rail; 402. First slider; 403. Base plate; 404. Horizontal slide rail; 405. Second slider; 406. Adapter frame; 407. Positioning rod; 408. Connecting rod; 409. Semi-circular positioning ring; 5. Raised well drilling rig; 501. Drill pipe; 502. Drill bit. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Specific implementation examples are given below.

[0023] See Figures 1-4The utility model discloses an anti -well drilling machine drill quick positioning device, including support ring 1, level 2, leveling mechanism 3, positioning mechanism 4 and anti -well drilling machine 5, the support ring 1 is installed with level 2, the bottom of support ring 1 is installed with three leveling mechanism 3, three leveling mechanism 3 is evenly distributed in circular with the central axis of support ring 1 as reference, the support ring 1 is installed with positioning mechanism 4, and the anti -well drilling machine 5 is provided with drill rod 501 and drill bit 502 (anti -well drilling machine 5, drill rod 501 and drill bit 502 are all prior art, only make the appearance suggestion in the drawing), positioning mechanism 4 includes: vertical slide rail 401, first slider 402, base plate 403, horizontal slide rail 404, second slider 405, adapter frame 406, positioning rod 407, connecting rod 408 and semicircle positioning ring 409, vertical slide rail 401 is fixed on support ring 1, first slider 402 is slidably installed on vertical slide rail 401, the upside of first slider 402 is fixed with base plate 403, base plate 403 is fixed with horizontal slide rail 404, second slider 405 is slidably installed on horizontal slide rail 404, adapter frame 406 is fixed on second slider 405, adapter frame 406 is fixed with positioning rod 407, semicircle positioning ring 409 is fixed with adapter frame 406 through connecting rod 408, and the central axis of positioning rod 407 and semicircle positioning ring 409 coincides.

[0024] The leveling mechanism 3 includes: base 301, threaded sleeve 302, knob lever 303, support screw 304 and limit rod 305, the threaded sleeve 302 is rotatably connected on the base 301, the outer side of the threaded sleeve 302 is fixed with a plurality of knob levers 303, the support screw 304 is installed in the threaded sleeve 302 and penetrates it, the upper end of the support screw 304 is fixed with the support ring 1, the lower end of the support screw 304 is fixed with the limit rod 305 penetrating the base 301, the limit rod 305 is slidably connected with the base 301, the base 301 is provided with a limiting sliding groove 3011 for the up-down movement of the limit rod 305, the movement of the support screw 304 is limited by the limit rod 305 so that it cannot rotate but can only move linearly, when leveling, the knob lever 303 is rotated to drive the threaded sleeve 302 to rotate, the support screw 304 is driven to move up and down by the rotation of the threaded sleeve 302, so as to adjust the overall height of the leveling mechanism 3, by such operation, the height of the three leveling mechanisms 3 can be adjusted to place the support ring 1 stably on the ground.

[0025] Working principle: the anti-well drilling machine drill fast positioning device, in use, first support ring 1 is placed to the position to be punched, whether the support ring 1 is horizontal is observed through level 2, when not horizontal, through adjusting leveling mechanism 3 makes the support ring 1 horizontal, after adjusting, through moving first slider 402 and second slider 405 to adjust the position of positioning rod 407, so that positioning rod 407 is aligned to the position to be punched, after positioning rod 407 adjustment, adjust anti-well drilling machine 5 to adjust the position of drill pipe 501 and drill bit 502, when drill pipe 501 and semicircular positioning ring 409 are consistent, then it indicates that the position of drill bit 502 has been aligned, then, support ring 1, positioning mechanism 4 is removed, anti-well drilling machine 5 controls drill pipe 501 and drill bit 502 to punch, of course, it needs to be explained that anti-well drilling machine can exist different size drill pipe, therefore the semicircular positioning ring of the utility model can have multiple models, for adapting different size drill pipe, before use, the semicircular positioning ring of adaptation is installed in advance, in some embodiments, semicircular positioning ring and connecting rod adopt detachable connecting structure, such as bolt connection or disassembly, so that the semicircular positioning ring of different model size is replaced.

[0026] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A rapid positioning device for a riser drill bit, characterized in that, The device includes a support ring, a level, a leveling mechanism, and a positioning mechanism. The level is mounted on the support ring, and three leveling mechanisms are installed at the bottom of the support ring for supporting and leveling it. The positioning mechanism is mounted on the support ring and includes a positioning rod, a transition frame, a connecting rod, and a semi-circular positioning ring. The central axes of the positioning rod, the semi-circular positioning ring, and the support ring coincide. The positioning rod passes through the support ring, and its upper end connects to the transition frame, which is radially arranged along the support ring. The transition frame connects to the connecting rod, and the connecting rod connects to the semi-circular positioning ring. The inner diameter of the semi-circular positioning ring is the diameter of the drill pipe of the riser drill rig to which the positioning device is adapted.

2. The rapid positioning device for a raise boring machine bit according to claim 1, characterized in that, The positioning mechanism further includes a translation mechanism, which is disposed on the support ring and connected to the positioning mechanism.

3. The rapid positioning device for a raise boring machine bit according to claim 2, characterized in that, The translation mechanism includes a vertical translation component and a horizontal translation component connected to each other; the vertical translation component is mounted on the support ring to drive the horizontal translation component to translate vertically; the horizontal translation component is equipped with the positioning mechanism to drive the positioning mechanism to translate horizontally.

4. The rapid positioning device for a raise boring machine bit according to claim 3, characterized in that, The vertical translation component includes a vertical slide rail and a first slider; the vertical slide rail is horizontally fixedly installed on the support ring, the first slider slides in cooperation with the vertical slide rail, and the first slider is connected to the horizontal translation component.

5. A rapid positioning device for a raise boring machine bit according to claim 4, characterized in that, The lateral translation component includes a base plate, a lateral slide rail, and a second slider; the base plate is fixed to the first slider, the lateral slide rail is fixed on the base plate, the second slider slides in slidable engagement with the lateral slide rail, and the second slider is connected to the adapter frame or the connecting rod.

6. The rapid positioning device for a raise boring machine bit according to claim 1, characterized in that, The leveling mechanism includes: a base, a threaded sleeve, a lever, a support screw, and a limiting rod; the support screw passes through the base and is threadedly engaged with the threaded sleeve; the threaded sleeve is rotatably mounted on the base, and multiple levers are fixed to the outer side of the threaded sleeve; the upper end of the support screw is supported on the lower end of the support ring, and a limiting rod that horizontally passes through the base is fixed to the lower end of the support screw.

7. A rapid positioning device for a raise boring machine bit according to claim 6, characterized in that, The limiting rod is slidably connected to the base, and the base is provided with a limiting groove for the movement of the limiting rod.

8. A rapid positioning device for a raise boring machine bit according to claim 1, characterized in that, The three leveling mechanisms are arranged in a circular array with the central axis of the support ring as the reference.

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