Rock drill support

Abstract

The utility model belongs to the technical field of rock drill supports, and particularly relates to a rock drill support which comprises a rock drill frame, one end of the rock drill frame is provided with a front supporting arm, the other end of the rock drill frame is provided with a rear supporting arm, and the top of the rock drill frame is provided with a rock drilling arm. Two fixing frames are symmetrically distributed on the top of the rock drill frame. Through the arrangement of the damper, when the rock drilling arm retracts and makes contact with the supporting frame, the damper can buffer the pressure borne by the supporting frame, when the supporting frame is stressed, the movable block at the end of the connecting frame can slide along the outer wall of the guide rod, and therefore the guiding effect is achieved; the buffering effect of the supporting frame after being stressed can be further improved through the elastic deformation energy absorption characteristic of the buffering springs, and therefore the situation that the rock drill support is damaged by the rock drill mechanical arm in the recovery process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rock drill support technical field, concretely relates to a rock drill support. BACKGROUND

[0002] Rock drill is indispensable key equipment in mining, tunnel excavation and other engineering, and it breaks rock through mechanical impact and rotation to realize drilling operation. According to power source, it has various types. Pneumatic rock drill is powered by compressed air, and it is simple in structure and easy to operate and maintain. Electric rock drill is driven by motor, and energy is convenient to obtain. Internal combustion rock drill works by using gasoline explosion force, and it is suitable for sites without power and gas source. Hydraulic rock drill is driven by hydraulic pressure, and it has high drilling speed and impact power. According to advancing mode, it can be divided into hand-held type, air leg type and the like. When working, the impact mechanism of rock drill drives piston to impact steel drill to break rock, and the rotary mechanism drives steel drill to rotate, and rock debris is discharged by using pressure water or compressed air. It is widely used in mining, railway and highway tunnel construction, water conservancy project construction and other fields, and it significantly improves rock drilling efficiency, and is important equipment for modern engineering construction. The mechanical arm of rock drill needs to be supported at the end by rock drill support during recovery.

[0003] At present, the existing rock drill support is usually supported by the top beam support frame during the recovery of the mechanical arm of rock drill. However, the traditional rock drill support is usually fixed on the top of the rock drill frame in a fixed mounting mode. When the mechanical arm of rock drill is recovered, the top of the rock drill support supporting the mechanical arm will be subjected to strong impact force. However, since the various components of the rock drill support are usually of integral structure, the rock drill support itself does not have good buffering effect, so that the rock drill support may be damaged by the mechanical arm of rock drill during recovery, thereby reducing the service life of the rock drill support. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a rock drill support, and aims at solving the problem that the existing rock drill support is usually supported by the top beam support frame during the recovery of the mechanical arm of rock drill in the prior art. However, the traditional rock drill support is usually fixed on the top of the rock drill frame in a fixed mounting mode. When the mechanical arm of rock drill is recovered, the top of the rock drill support supporting the mechanical arm will be subjected to strong impact force. However, since the various components of the rock drill support are usually of integral structure, the rock drill support itself does not have good buffering effect, so that the rock drill support may be damaged by the mechanical arm of rock drill during recovery, thereby reducing the service life of the rock drill support.

[0005] To achieve the above object, the utility model provides the following technical scheme: a rock drill support, including rock drill frame, one end of rock drill frame is provided with front support arm, the other end of rock drill frame is provided with rear support arm, the top of rock drill frame is provided with rock drill arm, the top of rock drill frame is provided with two fixed frame of symmetry,

[0006] The inner wall of two fixed frame is fixedly connected with fixed block, the top of fixed block is installed with damper, one end of damper is connected with movable block, the top of movable block is fixedly connected with connecting frame, one end of connecting frame is fixedly connected with support frame, the top of support frame is provided with two limit frame of symmetry, the top of fixed block is fixedly connected with two guide rods, one end of two guide rods is fixedly connected with limit block, the outer wall of damper is sleeved with buffer spring.

[0007] As a kind of rock drill support of the utility model, the movable block is sleeved on the outer wall of two guide rods.

[0008] As a kind of rock drill support of the utility model, two guide rods are symmetrically distributed on the two sides of damper.

[0009] As a kind of rock drill support of the utility model, support frame can be formed into elastic structure with fixed frame by fixed block, movable block, connecting frame, guide rod, limit block, buffer spring.

[0010] As a kind of rock drill support of the utility model, the top of support frame is installed with rubber block, the bottom of rubber block is fixedly connected with two insertion blocks, the outer wall of two insertion blocks is provided with clamping groove, the surface of support frame is provided with insertion slot, the inner side top of support frame is fixedly connected with mounting seat, the inside of mounting seat is movably connected with return spring, the end of return spring is connected with connecting block, one end of connecting block is fixedly connected with clamping pin.

[0011] As a kind of rock drill support of the utility model, insertion block can penetrate support frame top by insertion slot.

[0012] As a kind of rock drill support of the utility model, rubber block can be formed into elastic clamping structure with support frame by insertion block, clamping groove, insertion slot, mounting seat, return spring, connecting block, clamping pin.

[0013] Compared with prior art, the utility model has the advantages that:

[0014] When the rock drilling arm is retracted and contacts the support frame, the damper can buffer the pressure received by the support frame, and when the support frame is under stress, the movable block at the end of the connecting frame will slide along the outer wall of the guide rod, thereby playing a guiding role, and the buffering spring sleeved on the outer wall of the damper can further improve the buffering effect of the support frame after being stressed, thereby avoiding damage to the rock drilling machine support by the rock drilling machine mechanical arm during retraction.

[0015] The connecting block is driven by the knob to drive the pin to retract, and then the plug at the bottom of the rubber block is inserted into the insertion slot on the surface of the support frame, and one end of the plug is located at the end of the mounting seat, and then the knob is loosened, so that the pin is ejected into the clamping groove on the outer wall of the plug under the action of the reset spring, thereby fixing the rubber block on the support frame, and the rubber block can protect the contact part during retraction of the rock drilling arm. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used together with embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0017] Figure 1 It is a front view structural schematic diagram of the present application;

[0018] Figure 2 It is a front view structural schematic diagram of the rock drilling machine support of the present application;

[0019] Figure 3 It is a first front view cross-sectional structural schematic diagram of the rock drilling machine support of the present application;

[0020] Figure 4 It is a second front view cross-sectional structural schematic diagram of the rock drilling machine support of the present application;

[0021] Figure 5 It is a schematic diagram of the A enlarged structure of the present application;

[0022] Figure 6 It is a schematic diagram of the B enlarged structure of the present application.

[0023] In the drawings: 1, rock drilling machine frame; 2, front support arm; 3, rear support arm; 4, rock drilling arm; 5, fixed frame; 6, fixed block; 7, damper; 8, movable block; 9, connecting frame; 10, support frame; 11, limiting frame; 12, guide rod; 13, limiting block; 14, buffering spring; 15, rubber block; 16, plug; 17, clamping groove; 18, insertion slot; 19, mounting seat; 20, reset spring; 21, connecting block; 22, pin. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] Please refer to Figures 1-6 The present application provides the following technical scheme: a rock drill support, comprising a rock drill frame 1, a front support arm 2 is installed at one end of the rock drill frame 1, a rear support arm 3 is installed at the other end of the rock drill frame 1, a rock drilling arm 4 is installed at the top of the rock drill frame 1, and two fixing frames 5 are symmetrically distributed at the top of the rock drill frame 1.

[0026] The inner wall of the two fixing frames 5 is fixedly connected with a fixed block 6, the top of the fixed block 6 is installed with a damper 7, one end of the damper 7 is connected with a movable block 8, the top of the movable block 8 is fixedly connected with a connecting frame 9, one end of the connecting frame 9 is fixedly connected with a support frame 10, two limiting frames 11 are symmetrically distributed at the top of the support frame 10, two guide rods 12 are fixedly connected at one end of the fixed block 6, and a limiting block 13 is fixedly connected at one end of the two guide rods 12.

[0027] Preferably, the movable block 8 is sleeved on the outer wall of the two guide rods 12, the two guide rods 12 are symmetrically distributed on the two sides of the damper 7, and the support frame 10 can form an elastic structure with the fixing frame 5 through the fixed block 6, the movable block 8, the connecting frame 9, the guide rod 12, the limiting block 13 and the buffer spring 14.

[0028] In specific use, through the setting of the damper 7, when the rock drilling arm 4 is recovered to contact the support frame 10, the damper 7 can buffer the pressure received by the support frame 10, and when the support frame 10 is stressed, the movable block 8 at the end of the connecting frame 9 will slide along the outer wall of the guide rod 12, thereby playing a guiding role, and through the buffer spring 14 sleeved on the outer wall of the damper 7, the elastic deformation energy absorption characteristics of the buffer spring 14 can further improve the buffering effect of the support frame 10 after being stressed, thereby avoiding damage to the rock drill support by the rock drill mechanical arm in the recovery process.

[0029] Preferably, the top of the support frame 10 is provided with a rubber block 15, the bottom of the rubber block 15 is fixedly connected with two insertion blocks 16, the outer wall of the two insertion blocks 16 is provided with a clamping groove 17, the surface of the support frame 10 is provided with an insertion slot 18, the inner side top of the support frame 10 is fixedly connected with a mounting seat 19, the inside of the mounting seat 19 is movably connected with a return spring 20, the end of the return spring 20 is connected with a connecting block 21, one end of the connecting block 21 is fixedly connected with a clamping pin 22, the insertion block 16 can penetrate through the top of the support frame 10 through the insertion slot 18, and the rubber block 15 can form an elastic clamping structure with the support frame 10 through the insertion block 16, the clamping groove 17, the insertion slot 18, the mounting seat 19, the return spring 20, the connecting block 21 and the clamping pin 22.

[0030] In specific use, the connecting block 21 is driven to retract the clamping pin 22 by means of the knob, then the insertion block 16 at the bottom of the rubber block 15 is inserted into the insertion slot 18 on the surface of the support frame 10, at this time the insertion block 16 is located at the end of the mounting seat 19, then the clamping pin 22 can be inserted into the clamping groove 17 on the outer wall of the insertion block 16 under the action of the return spring 20 by loosening the knob, so as to fix and install the rubber block 15 on the support frame 10, and the rubber block 15 can play a protective role on the contact part during the recovery of the rock drilling arm 4.

[0031] Working principle: first, the fixed frame 5, the connecting frame 9 and the support frame 10 are combined into a rock drill support, then the fixed frame 5 is fixedly installed on the rock drill vehicle frame 1 through the connecting seat at the bottom of the fixed frame 5, when the rock drilling arm 4 is recovered to contact the support frame 10, the damper 7 can buffer the pressure received by the support frame 10, and when the support frame 10 is stressed, the movable block 8 at the end of the connecting frame 9 will slide along the outer wall of the guide rod 12, thereby playing a guiding role, and the buffering spring 14 sleeved on the outer wall of the damper 7 can further improve the buffering effect of the support frame 10 after being stressed by using the energy absorption characteristics of the elastic deformation of the buffering spring 14, thereby avoiding damage to the rock drill support by the rock drill mechanical arm during the recovery process, and before this, the connecting block 21 is driven to retract the clamping pin 22 by means of the knob, then the insertion block 16 at the bottom of the rubber block 15 is inserted into the insertion slot 18 on the surface of the support frame 10, at this time the insertion block 16 is located at the end of the mounting seat 19, then the clamping pin 22 can be inserted into the clamping groove 17 on the outer wall of the insertion block 16 under the action of the return spring 20 by loosening the knob, so as to fix and install the rubber block 15 on the support frame 10, and the rubber block 15 can play a protective role on the contact part during the recovery of the rock drilling arm 4.

[0032] 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 rock drill holder comprising a rock drill carriage (1), characterized in that: One end of the rock drilling machine frame (1) is provided with a front supporting arm (2), the other end of the rock drilling machine frame (1) is provided with a rear supporting arm (3), the top of the rock drilling machine frame (1) is provided with a rock drilling arm (4), and the top of the rock drilling machine frame (1) is provided with two fixing frames (5) which are symmetrically distributed. The inner wall of the two fixing frames (5) is fixedly connected with a fixed block (6), the top of the fixed block (6) is provided with a damper (7), one end of the damper (7) is connected with a movable block (8), the top of the movable block (8) is fixedly connected with a connecting frame (9), one end of the connecting frame (9) is fixedly connected with a supporting frame (10), the top of the supporting frame (10) is symmetrically provided with two limiting frames (11), the top of the fixed block (6) is fixedly connected with two guide rods (12), one end of the two guide rods (12) is fixedly connected with a limiting block (13), and the outer wall of the damper (7) is sleeved with a buffer spring (14).

2. A rock drill holder according to claim 1, characterized in that: The movable block (8) is sleeved on the outer wall of the two guide rods (12).

3. A rock drill holder according to claim 1, characterized in that: The two guide rods (12) are symmetrically distributed on the two sides of the damper (7).

4. A rock drill holder according to claim 1, characterized in that: The supporting frame (10) can form an elastic structure with the fixing frame (5) through the fixed block (6), the movable block (8), the connecting frame (9), the guide rod (12), the limiting block (13), and the buffer spring (14).

5. A rock drill holder according to claim 1, characterized in that: The top of the supporting frame (10) is provided with a rubber block (15), the bottom of the rubber block (15) is fixedly connected with two insertion blocks (16), the outer wall of the two insertion blocks (16) is provided with a clamping groove (17), the surface of the supporting frame (10) is provided with an insertion slot (18), the inner side top of the supporting frame (10) is fixedly connected with a mounting seat (19), the inside of the mounting seat (19) is movably connected with a return spring (20), the end of the return spring (20) is connected with a connecting block (21), and one end of the connecting block (21) is fixedly connected with a clamping pin (22).

6. A rock drill holder according to claim 5, characterized in that: The insertion block (16) can penetrate through the top of the supporting frame (10) through the insertion slot (18).

7. A rock drill holder according to claim 5, characterized in that: The rubber block (15) can form an elastic clamping structure with the supporting frame (10) through the insertion block (16), the clamping groove (17), the insertion slot (18), the mounting seat (19), the return spring (20), the connecting block (21), and the clamping pin (22).

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