Drill rod clamping prevention mechanism of hydraulic rock drilling vehicle

Abstract

The utility model belongs to the technical field of hydraulic rock drilling cars, and particularly relates to a hydraulic rock drilling car drill rod clamping prevention mechanism which comprises a middle limiting block, a connecting piece is connected to the surface of one end of the bottom end of the middle limiting block, a middle support is connected to the surface of the bottom of the connecting piece, and one end of a drill rod is connected to the inner side of the top end of the middle limiting block in a penetrating mode. And the other end of the drill rod is connected with a rock drill host. According to the drill rod limiting device, the drill rod can penetrate through the inner sides of the middle limiting block and the arc-shaped rubber block during use through mutual matching of the middle limiting block, the mounting frame, the lower limiting block, the upper limiting block and the arc-shaped rubber block, so that a double-limiting structure is formed; when the drill rod moves, the movement track of the drill rod can be limited through the middle limiting block and the arc-shaped rubber block, irregular shaking and movement of the drill rod under high-frequency impact are effectively restrained, the drill rod is kept in a good posture in the drilling process, and it is guaranteed that the drill rod is not prone to being clamped in the working process of the drill rod.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hydraulic rock drill, specifically relates to a hydraulic rock drill anti -stuck drill mechanism. BACKGROUND

[0002] Hydraulic rock drill is a kind of high -efficient rock drill equipment with hydraulic system as power source, is widely used in mining, tunnel construction, water conservancy engineering and other fields.

[0003] Hydraulic rock drill realizes the impact, rotation and propulsion action of rock drill through hydraulic transmission, makes the drill bit at the one end of rock drill rod high-frequency impact breakage rock, and forms drill hole under the rotation cutting action, but due to high-frequency impact load, rock working condition is changeable and other factors, the rock drill rod is prone to exist in the working process The problem of shaking and running, lead to the drill rod on the rock drill may appear stuck in the drilling process, make drilling work stop down, thereby influence the use of hydraulic rock drill.

[0004] Therefore, the utility model provides a kind of hydraulic rock drill anti -stuck drill mechanism, to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of hydraulic rock drill anti -stuck drill mechanism, to solve the problem in prior art that existing due to high-frequency impact load, rock working condition is changeable and other factors, the rock drill rod is prone to exist in the working process The problem of shaking and running, lead to the drill rod on the rock drill may appear stuck in the drilling process, make drilling work stop down, thereby influence the use of hydraulic rock drill.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of hydraulic rock drill anti -stuck drill mechanism, including middle part limiting block, the bottom end of the middle part limiting block one end surface is connected with connecting piece, the bottom surface of the connecting piece is connected with middle part support, the inside of the top end of the middle part limiting block is connected with the one end of drill rod in a penetrating manner, the other end of the drill rod is connected with rock drill main machine, the rock drill main machine is connected in the top surface of the one side of crossbeam, the other side surface of the crossbeam is connected with end support, the one side surface of the end support is connected with mounting bracket, the top middle position of the mounting bracket is connected with lower limiting block, the top surface of the lower limiting block is connected with upper limiting block, the inside surface of the lower limiting block and upper limiting block is connected with arc rubber block, the inside surface of the arc rubber block is connected with the other end of drill rod in a penetrating manner, the front end surface of the upper limiting block is connected with first connecting block, the one end of the first connecting block extends into the inside of protruding block, the protruding block is symmetrically connected in the top end of mounting bracket front end surface, the rear end surface of the upper limiting block is connected with second connecting block.

[0007] As the utility model discloses a hydraulic rock drill anti -stuck mechanism is preferred, the connecting piece front end surface symmetry is provided with the adjusting groove, one end surface symmetry of the middle part limiting block is penetrated and is connected with the first bolt, the other end of first bolt passes through the adjusting groove and is connected with the nut and constitutes the threaded connection.

[0008] As the utility model discloses a hydraulic rock drill anti -stuck mechanism is preferred, the arc rubber block one side surface is penetrated and is connected with the second bolt, and the second bolt is connected through the arc rubber block and the lower limiting block or the upper limiting block and constitutes the threaded connection.

[0009] As the utility model discloses a hydraulic rock drill anti -stuck mechanism is preferred, the convex block one side surface is penetrated and is connected with the pin shaft, and the pin shaft is still penetrated and is connected with the one end of first connecting block, and the other end of pin shaft is penetrated and is connected with the first split pin.

[0010] As the utility model discloses a hydraulic rock drill anti -stuck mechanism is preferred, the second connecting block top surface is provided with the pressing recess, and the pressing recess inboard surface is connected with the fastener, and the other end of fastener is penetrated and is connected with the mounting frame rear end one side surface through -hole, and the one end of fastener through the through -hole is penetrated and is connected with the second split pin.

[0011] As the utility model discloses a hydraulic rock drill anti -stuck mechanism is preferred, and the size of fastener is matched with the size of pressing recess and through -hole, and the fastener is connected through the pressing recess and the second connecting block and constitutes the sliding connection, and the fastener is connected through the through -hole and the mounting frame and constitutes the sliding connection.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a hydraulic rock drill anti -stuck mechanism is preferred, and the middle part limiting block, the mounting frame, the lower limiting block, the upper limiting block and the arc rubber block are cooperated with each other, so that the drill rod can pass through the inboard of the middle part limiting block and the arc rubber block when using, thereby forming double limiting structure, so that when the drill rod is running, the middle part limiting block and the arc rubber block can limit the activity track of the drill rod, effectively inhibit the irregular shaking and moving of the drill rod under high-frequency impact, make the drill rod keep good posture in the drilling, and ensure that the drill rod does not easily appear the stuck condition in the working process.

[0014] The utility model discloses a hydraulic rock drill anti -stuck mechanism is preferred, and the first connecting block, the convex block, the pin shaft, the second connecting block and the fastener are cooperated with each other, when the arc rubber block needs to be maintained when wearing, through the second split pin of fastener one end penetration is pulled out, and then the fastener is pulled out, and when the first connecting block can rotate on the convex block through the pin shaft, the first connecting block can be in the second connecting block and be opened, and when the second bolt on the arc rubber block is screwed out, the arc rubber block can be disassembled and maintained and replaced, so as to ensure the use effect of the arc rubber block. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application, and are not intended to limit the present application. In the drawings:

[0016] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0017] Figure 2 is the present application Figure 1 is a schematic view of the partial enlarged structure at A in the present application;

[0018] Figure 3 is a schematic view of the partial structure of the mounting rack of the present application;

[0019] Figure 4 is a schematic view of the partial exploded structure of the mounting rack of the present application.

[0020] In the figure: 1, middle limiting block; 2, connecting piece; 3, middle support; 4, first bolt; 5, adjusting groove; 6, nut; 7, drill rod; 8, rock drill main machine; 9, cross beam; 10, end support; 11, mounting rack; 12, lower limiting block; 13, upper limiting block; 14, arc-shaped rubber block; 15, second bolt; 16, first connecting block; 17, protruding block; 18, pin shaft; 19, first split pin; 20, second connecting block; 21, pressing groove; 22, fastener; 23, through hole; 24, second split pin. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying 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 of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model provides the following technical scheme: A hydraulic rock drill truck anti -stuck mechanism, including middle part limit piece 1, one end surface of middle part limit piece 1 bottom end is connected with connecting piece 2, the bottom surface connection of connecting piece 2 has middle part support 3, one end of drill rod 7 is penetratedly connected with the inside of middle part limit piece 1 top end, the other end of drill rod 7 is connected with rock drill host 8, rock drill host 8 is connected at the top surface of one side of crossbeam 9, the other side surface of crossbeam 9 is connected with end support 10, and one side surface of end support 10 is connected with mounting bracket 11, and the top middle position of mounting bracket 11 is connected with lower limit piece 12, and the top surface of lower limit piece 12 is connected with upper limit piece 13, and the inside surface of lower limit piece 12 and upper limit piece 13 is all connected with arc rubber block 14, and the other end of drill rod 7 is penetratedly connected with the inside surface of arc rubber block 14, and the front end surface of upper limit piece 13 is connected with first connecting block 16, and one end of first connecting block 16 extends into the inside of protruding block 17, and protruding block 17 is symmetrically connected at the top end of mounting bracket 11 front end surface, and the rear end surface of upper limit piece 13 is connected with second connecting block 20.

[0023] Preferably: the front end surface of connecting piece 2 is symmetrically provided with adjusting groove 5, one end surface of middle part limit piece 1 is symmetrically penetratedly connected with first bolt 4, and the other end of first bolt 4 is screwed between adjusting groove 5 and nut 6 to form threaded connection.

[0024] In specific use, first bolt 4 is penetrated through middle part limit piece 1 and adjusting groove 5 on connecting piece 2, one end of first bolt 4 is connected with nut 6, the position of middle part limit piece 1 can be fixed on connecting piece 2, first bolt 4 is moved in adjusting groove 5, the position of middle part limit piece 1 can be slightly adjusted, middle part limit piece 1 can be adapted to the current size of drill rod 7, and when nut 6 is connected, a gasket is arranged between nut 6 and connecting piece 2 to ensure the fastening of nut 6 after screwing.

[0025] Preferably: one side surface of arc rubber block 14 is penetratedly connected with second bolt 15, and second bolt 15 is screwed between arc rubber block 14 and lower limit piece 12 or upper limit piece 13 to form threaded connection.

[0026] In specific use, arc rubber block 14 can be slid into the inside of lower limit piece 12 or upper limit piece 13, and then second bolt 15 is penetrated through arc rubber block 14 and screwed into lower limit piece 12 or upper limit piece 13, so that the position of arc rubber block 14 can be fixed, when lower limit piece 12 and upper limit piece 13 are connected together, two arc rubber blocks 14 form a whole rubber ring, one end of drill rod 7 can penetrate the inside of the rubber ring, and two arc rubber blocks 14 can limit one end of the end of drill rod 7.

[0027] Preferably, the protruding block 17 is connected with a pin shaft 18 at one side surface, the pin shaft 18 is further connected with one end of the first connecting block 16, and the other end of the pin shaft 18 is connected with a first open pin 19.

[0028] In use, when the upper limiting block 13 is placed on the top of the lower limiting block 12, the first connecting block 16 on the upper limiting block 13 is slid into the two protruding blocks 17, the pin shaft 18 is penetrated through the protruding block 17 and the first connecting block 16, and the first open pin 19 is penetrated through one end of the pin shaft 18, so that the pin shaft 18 can connect the first connecting block 16 and the protruding block 17 together.

[0029] Preferably, a pressing groove 21 is arranged on the top surface of the second connecting block 20, a fastener 22 is arranged on the inner surface of the pressing groove 21, the other end of the fastener 22 is penetrated through a through hole 23 on one side surface of the rear end of the mounting frame 11, and the first open pin 24 is penetrated through one end of the fastener 22 penetrating through the through hole 23.

[0030] In use, when the upper limiting block 13 is placed on the top of the lower limiting block 12, the top end of the fastener 22 is slid into the pressing groove 21, the bottom end of the fastener 22 is slid through the through hole 23 on the mounting frame 11, and the second open pin 24 is penetrated through one end of the fastener 22 penetrating through the through hole 23, so that the position of the fastener 22 is limited, and the fastener 22 can press the second connecting block 20.

[0031] Preferably, the size of the fastener 22 matches the size of the pressing groove 21 and the through hole 23, the fastener 22 is slidably connected with the second connecting block 20 through the pressing groove 21, and the fastener 22 is slidably connected with the mounting frame 11 through the through hole 23.

[0032] In use, the position of the top end of the fastener 22 matches the position of the pressing groove 21, and the position of the bottom end of the fastener 22 matches the position of the through hole 23, so that when the top end of the fastener 22 is slid into the pressing groove 21, the bottom end of the fastener 22 is slid through the through hole 23 on the mounting frame 11.

[0033] Working principle: in use, the hydraulic rock drill anti-stuck drill mechanism, through the bolt is fixedly installed in the middle of the support 3, the use of first bolt 4 through the adjustment groove 5 with nut 6, according to the drill rod 7 specifications and operation demand adjustment middle limiting block 1 position and fixed, make drill rod 7 inside the middle limiting block 1, let the middle limiting block 1 can limit the middle position of drill rod 7, again install frame 11 through the bolt is fixedly installed in the end of the support 10, this time the drill rod 7 will pass through the lower limiting block 12 inside the arc rubber block 14, this time again put the upper limiting block 13 in the lower limiting block 12 top, let the first connecting block 16 on the upper limiting block 13 slide between the two lugs 17, this time the pin shaft 18 through the first connecting block 16 and two lug 17, again with the first open pin 19 through the end of pin shaft 18, this time the position of pin shaft 18 will be fixed, make the first connecting block 16 and two lug 17 connected together, this time again the end of the fastener 22 slide into the second connecting block 20 on the compression groove 21, the other end of the fastener 22 will pass through the through hole 23 on the installation frame 11, this time the second open pin 24 through the fastener 22 through the through hole 23 one end, can make the position of fastener 22 fixed, at the same time the fastener 22 will also be pressed tightly second connecting block 20, this time the position of the upper limiting block 13 will be fixed in the lower limiting block 12, this time the drill rod 7 will pass through the lower limiting block 12 and the arc rubber block 14 inside the upper limiting block 13 rubber ring, make two arc rubber block 14 can limit the position of the drill rod 7 end, so when the rock drill host 8 drive drill rod 7 movement, the middle limiting block 1 and arc rubber block 14 can limit the activity track of drill rod 7, effectively inhibit the irregular drill rod 7 under high frequency impact and movement, make the drill rod 7 in the hole to maintain a good posture, ensure that the drill rod 7 in the working process is not easy to appear stuck drill, secondly, when the arc rubber block 14 on the lower limiting block 12 and the upper limiting block 13 wear and tear need to be maintained, can first pull out the fastener 22 end through the second open pin 24, this time pull the fastener 22, can let the fastener 22 separate out the compression groove 21 and the through hole 23, this time the fastener 22 no longer limit the upper limiting block 13, so the upper limiting block 13 can be through the first connecting block 16 on the pin shaft 18 rotation, make the upper limiting block 13 can be in the opening state on the lower limiting block 12, this time the upper limiting block 13 and the lower limiting block 12 no longer press the arc rubber block 14, this time twist out the second bolt 15, can let the arc rubber block 14 on the upper limiting block 13 and the lower limiting block 12 can be disassembled for maintenance and replacement, so as to ensure the use effect of arc rubber block 14.

[0034] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A hydraulic drill rig anti-stuck drill mechanism comprising a middle limiting block (1), characterized in that: The middle limiting block (1) bottom end of one end surface is connected with connecting piece (2), the bottom surface of connecting piece (2) is connected with middle support (3), the inside of middle limiting block (1) top end is connected with one end of drill rod (7), the other end of drill rod (7) is connected with rock drill main machine (8), the top surface of one side of crossbeam (9) is connected with rock drill main machine (8), the other side surface of crossbeam (9) is connected with end support (10), the one side surface of end support (10) is connected with mounting bracket (11), the top middle position of mounting bracket (11) is connected with lower limiting block (12), the top surface of lower limiting block (12) is connected with upper limiting block (13), the inside surface of lower limiting block (12) and upper limiting block (13) is connected with arc rubber block (14), the inside surface of arc rubber block (14) is connected with the other end of drill rod (7), the front end surface of upper limiting block (13) is connected with first connecting block (16), one end of first connecting block (16) extends into the inside of protruding block (17), the front end surface of one end of protruding block (17) is connected with mounting bracket (11), the rear end surface of upper limiting block (13) is connected with second connecting block (20).

2. The anti-stuck drill mechanism of the hydraulic rock drill according to claim 1, characterized in that: The front end surface of connecting piece (2) is symmetrically provided with adjusting groove (5), one end surface of middle limiting block (1) is symmetrically connected with first bolt (4), the other end of first bolt (4) is connected with nut (6) through adjusting groove (5) to form threaded connection.

3. The anti-stuck drill mechanism of the hydraulic rock drill according to claim 1, characterized in that: The one side surface of arc rubber block (14) is connected with second bolt (15), the second bolt (15) is connected with lower limiting block (12) or upper limiting block (13) through arc rubber block (14) to form threaded connection.

4. The anti-sticking mechanism of the hydraulic rock drill rig according to claim 1, characterized in that: The one side surface of protruding block (17) is connected with pin shaft (18), the other end of pin shaft (18) is connected with one end of first connecting block (16), the other end of pin shaft (18) is connected with first split pin (19).

5. The anti-sticking mechanism of the hydraulic rock drill rig according to claim 1, characterized in that: The top surface of second connecting block (20) is provided with pressing groove (21), the inside surface of pressing groove (21) is connected with fastener (22), the other end of fastener (22) is connected with one side surface through hole (23) of rear end of mounting bracket (11), one end of fastener (22) passing through through hole (23) is connected with second split pin (24).

6. The anti-sticking mechanism of a hydraulic rock drill according to claim 5, characterized in that: The size of fastener (22) matches the size of pressing groove (21) and through hole (23), the fastener (22) is connected with second connecting block (20) through pressing groove (21) to form sliding connection, the fastener (22) is connected with mounting bracket (11) through through hole (23) to form sliding connection.

Images