Clamping structure of rock drill

Abstract

The utility model relates to the field of rock drills, in particular to a rock drill clamping structure which comprises a first clamping device, a second clamping device is installed on one side of the first clamping device, a third clamping device is installed on one side of the second clamping device, and an oil cylinder is arranged between the first clamping device and the second clamping device. The first clamp holder, the second clamp holder, the third clamp holder and the like are used for clamping a drill rod, the clamping plate component, the cleaning cotton component and the clamping block component are matched with one another, the clamping plate component, the cleaning cotton component and the clamping block component are matched with one another, the clamping plate component, the cleaning cotton component and the clamping block component are matched with one another, and the clamping plate component, the cleaning cotton component and the clamping block component are matched with one another to clamp the drill rod. The drill rod part is clamped, a certain cleaning effect is achieved, a gap of the third clamping device is shielded, so that broken stone splashed in the working process is prevented from being splashed into the gap of the third clamping device, the device is protected, the use safety of the device is improved, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to rock drill technology field, concretely is a rock drill's clamping structure. BACKGROUND

[0002] Rock drill is a kind of tool specially used to drill out blast hole on rock formation, to place into explosive to blast open rock, to complete mining stone or other stone engineering, in addition, rock drill can also be used as breaker to break hard layer such as concrete.

[0003] Through the retrieval, the clamping structure of a rock drill of the Chinese patent with the publication number CN218816284U is disclosed, the first clamping head in the utility model includes clamping block and locating seat, the side of clamping block is provided with the clamping face for being connected with drill rod, the other side of clamping block is provided with the limiting boss in swallowtail shape or inverted T shape, the side of locating seat towards clamping block is provided with the limiting slot in swallowtail shape or inverted T shape, limiting boss is inserted in limiting slot, clamping block is locked on locating seat by fastening screw.

[0004] But the existing rock drill's holder and drill rod do not contact completely and will leave most of the gap, so that the flying stone in the working process will splash into the gap, and cause partial damage to the holder and drill rod, cause certain damage to the device, affect the service life of the device, therefore need to put forward a new scheme to solve this problem. UTILITY MODEL CONTENTS

[0005] In view of the above background art, the existing technology has the problem that the flying stone will splash into the gap between the holder and drill rod, causing partial damage to the holder and drill rod, affecting the service life of the device.

[0006] The utility model discloses a rock drill's clamping structure, including first holder, the side of first holder is installed with second holder, the side of second holder is installed with third holder, oil cylinder is arranged between first holder and second holder, the side of third holder is provided with two clamping plates, the elastic component is arranged between two clamping plates and third holder, fixed part is set up between two clamping plates, and the inside of two clamping plates is installed with cleaning cotton.

[0007] Further, the elastic component includes fixed block, the fixed block is installed on the third holder, the clamping plate is slidably arranged with the fixed block, and the fixed block and the clamping plate are connected through tension spring.

[0008] Further, the inside of the tension spring is provided with telescopic rod, one end of the telescopic rod is fixedly connected with the clamping plate, and the other end of the telescopic rod is fixedly connected with the fixed block.

[0009] Further, the fixing member comprises clamping blocks, two clamping blocks are fixedly installed at two ends of the clamping plate on the same side, and the clamping blocks are clamped at two ends of the other clamping plate.

[0010] Further, limiting rods are installed on the two fixing blocks, two limiting rods are symmetrically arranged at two ends of the fixing block, a sliding block is installed on the clamping plate, and the sliding block is slidably arranged with the limiting rod.

[0011] Further, a limiting shaft is arranged on the fixing block, the limiting shaft is threadedly connected with the fixing block, a limiting groove is arranged on the clamping plate, and the limiting shaft is slidably arranged with the limiting groove.

[0012] Further, the first holder and the third holder are both provided with baffle plates, and a rubber sheet is arranged between the two baffle plates.

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

[0014] 1. The first holder, the second holder and the third holder are used for clamping the drill rod, the clamping plate component, the cleaning cotton component and the clamping block component are cooperated with each other to clamp the drill rod component, the gap of the third holder is shielded, the splashed stones in the working process are prevented from splashing into the gap of the third holder, the protection of the device is realized, and the safety and service life of the device are improved.

[0015] 2. The baffle plate component, the rubber sheet component and the clamping block component are arranged, the oil cylinder is shielded through the cooperation between the baffle plate component and the rubber sheet component in the working process, the damage of the oil cylinder caused by the stones in the working process is prevented, the service life of the device is affected, the two clamping plates are fixed through the clamping block component, the automatic separation is prevented, and the two clamping plates are automatically reset under the action of the elastic assembly after the two clamping plates are separated by the staff. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

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

[0018] Figure 2 It is an oil cylinder connection schematic view of the utility model;

[0019] Figure 3 This is a partial exploded view of the utility model;

[0020] Figure 4 It is the front view of the utility model.

[0021] In the figure: 1. First clamp; 2. Second clamp; 3. Third clamp; 4. Oil cylinder; 5. Clamping plate; 6. Fixed block; 7. Cleaning cotton; 8. Tension spring; 9. Telescopic rod; 10. Limit rod; 11. Slider; 12. Limit shaft; 13. Limit groove; 14. Baffle; 15. Rubber sheet; 16. Block. DETAILED DESCRIPTION

[0022] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the illustrations, some commonly used structures and components are depicted in a simplified schematic manner.

[0023] See also Figures 1-4 As shown, the clamping structure of the rock drill of the present invention includes a first clamper 1, a second clamper 2 is installed on one side of the first clamper 1, a third clamper 3 is installed on one side of the second clamper 2, an oil cylinder 4 is provided between the first clamper 1 and the second clamper 2, two clamping plates 5 are provided on one side of the third clamper 3, elastic components are provided between the two clamping plates 5 and the third clamper 3, a fixing part is provided between the two clamping plates 5, and cleaning cotton 7 is installed on the inner side of the two clamping plates 5, and the cleaning cotton 7 is adhered to the clamping plates 5.

[0024] In this embodiment, during operation, the two clamping plates 5 are connected by a fixing member, and at the same time, the cleaning cotton 7 contacts and squeezes the drill rod, thereby blocking the gap of the third clamper 3 to prevent flying gravel from entering the gap, thereby improving the safety of the device. The drill rod can be clamped by the first clamper 1, the second clamper 2 and the third clamper 3. After the two clamping plates 5 are separated, the two clamping plates 5 are driven to automatically reset and separate under the action of the elastic component.

[0025] like Figure 2 、 Figure 3 As shown, the elastic component includes a fixed block 6, which is installed on the third clamper 3, and the clamping plate 5 and the fixed block 6 are slidingly arranged. The fixed block 6 and the clamping plate 5 are connected by a tension spring 8, and one end of the clamping plate 5 is restricted by the fixed block 6. When the two clamping plates 5 are driven close to each other, the clamping plate 5 drives the tension spring 8 to stretch and store force. When the tension spring 8 releases the force, the clamping plate 5 is driven to automatically reset, thereby improving the convenience of the staff during work.

[0026] In a preferred embodiment, the inside of the tension spring 8 is provided with a telescopic rod 9, one end of the telescopic rod 9 is fixedly connected with the clamping plate 5, the other end of the telescopic rod 9 is fixedly connected with the fixed block 6, the telescopic rod 9 is driven to extend and retract while the clamping plate 5 moves, thereby limiting and guiding the moving direction of the clamping plate 5.

[0027] In a preferred embodiment, the fixing member includes a clamping block 16, two clamping blocks 16 are fixedly installed at the two ends of the same side clamping plate 5, the clamping block 16 is clamped with the two ends of the other clamping plate 5, the clamping block 16 is chamfered, the two clamping plates 5 can be clamped through the clamping block 16, thereby facilitating convenient connection and improving the convenience of the staff during use.

[0028] In this embodiment, the two fixed blocks 6 are provided with a limiting rod 10, the two limiting rods 10 are symmetrically arranged at the two ends of the fixed block 6, the clamping plate 5 is provided with a sliding block 11, the sliding block 11 is slidably arranged with the limiting rod 10, the clamping plate 5 drives the sliding block 11 to move while moving, and the sliding block 11 slides on the limiting rod 10, thereby limiting the position of the clamping plate 5, and limiting the two ends of the clamping plate 5 under the action of the limiting rod 10 and the fixed block 6, thereby improving the moving stability of the clamping plate 5.

[0029] In this embodiment, the fixed block 6 is provided with a limiting shaft 12, the limiting shaft 12 is threadedly connected with the fixed block 6, the clamping plate 5 is provided with a limiting groove 13, the limiting shaft 12 is slidably arranged with the limiting groove 13, the first holder 1 and the third holder 3 are provided with a baffle 14, a rubber sheet 15 is arranged between the two baffles 14, the baffle 14 and the rubber sheet 15 cooperate with each other, thereby shielding the flying debris during the work process, avoiding damage to the device caused by the debris, and improving the safety during use.

[0030] The above only describes the embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A clamping structure of a rock drill, comprising a first holder (1), characterized in that: One side of the first holder (1) is provided with a second holder (2), one side of the second holder (2) is provided with a third holder (3), an oil cylinder (4) is arranged between the first holder (1) and the second holder (2), two clamping plates (5) are arranged on one side of the third holder (3), an elastic assembly is arranged between each of the two clamping plates (5) and the third holder (3), a fixing piece is arranged between the two clamping plates (5), and cleaning cotton (7) is arranged on the inner side of the two clamping plates (5).

2. A chucking arrangement for a rock drill according to claim 1, characterized in that: The elastic assembly comprises a fixed block (6), the fixed block (6) is arranged on the third holder (3), the clamping plate (5) and the fixed block (6) are arranged in sliding mode, and the fixed block (6) and the clamping plate (5) are connected through a tension spring (8).

3. A chucking arrangement for a rock drill according to claim 2, characterized in that: A telescopic rod (9) is arranged on the inner side of the tension spring (8), one end of the telescopic rod (9) is fixedly connected with the clamping plate (5), and the other end of the telescopic rod (9) is fixedly connected with the fixed block (6).

4. A chucking arrangement for a rock drill according to claim 1, characterized in that: The fixing piece comprises a clamping block (16), two clamping blocks (16) are arranged, and the two clamping blocks (16) are fixedly arranged on the two ends of the clamping plate (5) on the same side, and the clamping block (16) is clamped with the two ends of the other clamping plate (5).

5. A chucking arrangement for a rock drill according to claim 2, characterized in that: A limiting rod (10) is arranged on each of the two fixed blocks (6), the two limiting rods (10) are symmetrically arranged on the two ends of the fixed block (6), a sliding block (11) is arranged on the clamping plate (5), and the sliding block (11) and the limiting rod (10) are arranged in sliding mode.

6. A chucking arrangement for a rock drill according to claim 2, characterized in that: A limiting shaft (12) is arranged on the fixed block (6), the limiting shaft (12) is threadedly connected with the fixed block (6), a limiting groove (13) is arranged on the clamping plate (5), and the limiting shaft (12) and the limiting groove (13) are arranged in sliding mode.

7. A chucking arrangement for a rock drill according to claim 1, characterized in that: A baffle (14) is arranged on each of the first holder (1) and the third holder (3), and a rubber sheet (15) is arranged between the two baffles (14).

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