Hard rock high-frequency impact rock breaking tunneling equipment

By setting mounting slots and chuck structures on the crushing claws, the number of chucks is increased to distribute the gripping and crushing forces, solving the problems of chuck wear and breakage in the existing technology, and realizing efficient crushing and reliability of hard rock tunneling equipment.

CN224032607UActive Publication Date: 2026-03-24CHONGQING CHUANJIU CONSTRUCT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, the number of crushing claws is fixed and cannot be adjusted according to the hardness of the rock layer. This causes the claws to wear excessively, deform, or break when encountering relatively hard rock layers, affecting the normal operation of the equipment.

Method used

A high-frequency impact rock breaking tunneling device for hard rock was designed. By setting installation slots and chuck structures on the breaking claw, the number of chucks can be increased when encountering hard rock strata. The combined use of the first and second chucks can share the gripping and breaking forces, reducing the load on a single chuck.

Benefits of technology

It effectively reduces the wear and breakage of the chucks, improves the crushing efficiency and reliability of the equipment in hard rock formations, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides hard rock high-frequency impact rock-breaking tunneling equipment, which relates to the technical field of tunneling machines and comprises a driving base, a vibration cutting arm arranged at the top of the driving base, a crushing claw arranged on one side of the vibration cutting arm, a mounting groove formed in the surface of the crushing claw, a mounting frame arranged on one side of the mounting groove, and a first clamping claw arranged on the surface of the mounting frame. Four supporting rods are arranged on the surfaces of the two sides of the crushing claw, the crushing claw and the mounting frame form a whole, and after the first clamping claw is mounted, clamping grooves in the surfaces of the two second clamping claws are aligned to the supporting rods of the crushing claw and pressed downwards, so that the two second clamping claws are both mounted on the supporting rods and fixed through fixing nuts after being mounted; the number of the whole clamping jaws of the crushing jaw is increased by increasing the first clamping jaws and the second clamping jaws, so that grabbing and crushing force needing to be borne by each clamping jaw is reduced, excessive abrasion, deformation and even breakage of the clamping jaws are reduced, and the defect that the number of the clamping jaws of the crushing jaw cannot be adjusted according to the hardness degree of a rock stratum is overcome.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a heading machine technical field especially relates to a kind of hard rock high-frequency impact rock breaking heading equipment. BACKGROUND

[0002] According to the rock breaking heading machine of Chinese open (announcement) number CN111535805A, its structure includes: broken shovel heading cap, boom column block, pressure rod push extension machine base, conveying belt support, control chamber base, front wall, shovel discharge chute, the present application realizes the cooperation of boom column block and pressure rod push extension machine base, makes rack compression spring wire piston rod and bottom end hydraulic cylinder frame groove form a combined cross corner flip traction effect, guarantee the buffering of the reserved groove of cross action force between flip plate pressure bearing seat and frame strip flipper frame, and the up-down pressure elastic pressure push effect forms a swing piston push effect, improve the integrated linkage of entire rack, form the track flexible adjustment effect of double-station telescopic alternate movement, make the heading distance stable in the process of rock breaking, and rack protection space is sufficient, the consistent operation effect of facilitating inertial buffering and rigid boost is also improved, also improve the propulsion continuity of heading machine, form a continuous supply of drilling and a stable stone mining engineering progress.

[0003] The number of the clamping claws of the above-mentioned technology and the broken claw of the prior art is fixed after production, however, the hardness of different rock layers is different, so that each clamping claw needs to bear greater grabbing and breaking force when encountering relatively hard rock layer, which is easy to cause excessive wear, deformation and even breakage of the clamping claw, affects the normal operation of the equipment, and the number of the clamping claws of the broken claw cannot be adjusted according to the hardness of the rock layer. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcoming that the number of the clamping claws of the broken claw cannot be adjusted according to the hardness of the rock layer in the prior art, and provides a kind of hard rock high-frequency impact rock breaking heading equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of hard rock high-frequency impact rock breaking heading equipment, including drive base, the top of the drive base is equipped with vibration cutting arm, one side of the vibration cutting arm is equipped with broken claw, the surface of the broken claw is equipped with mounting groove, one side of the mounting groove is equipped with mounting frame, the surface of the mounting frame is equipped with first clamping claw, the surface of the broken claw is equipped with four supporting rods, the two sides of the broken claw are equipped with four second clamping claws, the surface of two second clamping claws is equipped with four clamping slots, the side of two second clamping claws away from the broken claw is equipped with four fixed nuts.

[0006] Preferably, the vibration cutting arm is installed on the drive base, the broken claw is installed at the top end of the vibration cutting arm, and the broken claw is bolted with the vibration cutting arm.

[0007] Preferably, the mounting groove is arranged on the side of the crushing claw away from the driving base, and the mounting groove is arranged in the middle of the surface of the crushing claw.

[0008] Preferably, the first clamping claw is integrally formed with the mounting frame, the mounting frame is mounted in the mounting groove, and the mounting frame is bolted to the crushing claw.

[0009] Preferably, the four supporting rods on the two side surfaces of the crushing claw are arranged in mirror image with the crushing claw as the center.

[0010] Preferably, the clamping grooves on the two second clamping claw surfaces correspond to the supporting rods on the two side surfaces of the crushing claw one by one, and the supporting rods on the two side surfaces of the crushing claw are mounted in the clamping grooves on the second clamping claw surfaces.

[0011] Preferably, the fixing nuts on the side of the two second clamping claws away from the crushing claw are mounted on the supporting rods, and the second clamping claws are mounted on the crushing claw through the fixing nuts.

[0012] Beneficial effects

[0013] In the utility model, when a relatively hard rock layer is encountered, the mounting frame of the first clamping claw can be mounted in the mounting groove of the crushing claw, and eight fixing bolts are used to fix the mounting frame of the first clamping claw on the crushing claw, so that the crushing claw and the mounting frame form an integral whole. After the first clamping claw is installed, the clamping grooves on the two second clamping claw surfaces are aligned with the supporting rods on the crushing claw, and are pressed downward, so that the two second clamping claws are mounted on the supporting rods. After installation, the fixing nuts are used for fixing. The number of the clamping claws of the crushing claw is increased by adding the first clamping claw and the second clamping claw, so that the grabbing and crushing forces borne by each clamping claw are reduced, the excessive wear, deformation and even fracture of the clamping claw are reduced, and the shortcoming that the number of the clamping claws of the crushing claw cannot be adjusted according to the hardness of the rock layer is solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an isometric view of the utility model;

[0015] Figure 2 It is a left view of the utility model;

[0016] Figure 3 It is a partial top view of the utility model;

[0017] Figure 4 It is a partial isometric view of the utility model.

[0018] Legend:

[0019] 1, driving base; 2, vibration cutting arm; 3, crushing claw; 4, mounting groove; 5, mounting frame; 6, first clamping claw; 7, second clamping claw; 8, supporting rod; 9, clamping groove; 10, fixing nut. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] The specific embodiments of the utility model are described below in combination with the drawings. Embodiment one

[0023] Reference Figures 1-4 A hard rock high-frequency impact rock breaking tunneling equipment, including drive base 1, the top of drive base 1 is equipped with vibration cutting arm 2, one side of vibration cutting arm 2 is equipped with breaking claw 3, the surface of breaking claw 3 is equipped with installation slot 4, one side of installation slot 4 is equipped with mounting bracket 5, the surface of mounting bracket 5 is equipped with first jaw 6, the surface of breaking claw 3 is equipped with four supporting rods 8, the two sides of breaking claw 3 are equipped with four second jaws 7, the surface of two second jaws 7 is equipped with four clamping grooves 9, the side of two second jaws 7 away from breaking claw 3 is equipped with four fixed nuts 10, vibration cutting arm 2 is installed on drive base 1, breaking claw 3 is installed at the top end of vibration cutting arm 2, and breaking claw 3 is bolted with vibration cutting arm 2, installation slot 4 is set up on the side of breaking claw 3 away from drive base 1, and installation slot 4 is set up in the middle of the surface of breaking claw 3, first jaw 6 is integrally formed with mounting bracket 5, mounting bracket 5 is installed in installation slot 4, mounting bracket 5 is bolted with breaking claw 3, four supporting rods 8 on the surface of breaking claw 3 are mirror image set up with breaking claw 3 as the center, the clamping groove 9 on the surface of two second jaws 7 is one-to-one corresponding with the supporting rod 8 on the surface of breaking claw 3, and the supporting rod 8 on the two sides of breaking claw 3 is installed in the clamping groove 9 on the surface of second jaw 7, the fixed nut 10 on the side of two second jaws 7 away from breaking claw 3 is installed on supporting rod 8, and second jaw 7 is installed on breaking claw 3 through fixed nut 10.

[0024] The driving base 1 is the basic support component of the whole device, and the rotating motor is installed inside. The vibration cutting arm 2 is installed on the driving base 1 and is connected with the rotating motor flange inside the driving base 1. The driving base 1 rotating motor provides power for the rotation of the vibration cutting arm 2, so that the vibration cutting arm 2 can rotate within a certain angle range, thereby adjusting the working position of the crushing claw 3 to adapt to different rock breaking needs, and the inside is also provided with a high-frequency vibration motor connected with the crushing claw 3. The motor can make the crushing claw 3 vibrate at high frequency, so that the crushing claw 3 vibrates at high frequency to break the rock layer. The vibration cutting arm 2 plays a role in transmitting power and adjusting the working angle and position of the crushing claw 3, and provides the necessary motion conditions for the rock breaking work of the crushing claw 3. The installation groove 4 is located at the middle position of the surface of the crushing claw 3 away from the driving base 1. Its role is to provide installation space for the mounting frame 5. When encountering hard rock layer and needing to increase the number of clamping claws, the mounting frame 5 can be installed in the installation groove 4, fixed by bolts, so that the mounting frame 5 forms an integral whole with the crushing claw 3, and then the installation of the first clamping claw 6 is completed. The first clamping claw 6 is integrally formed with the mounting frame 5. Each side of the crushing claw 3 is provided with a second clamping claw 7. The surface is provided with a clamping groove 9 corresponding to the supporting rod 8 on both sides of the crushing claw 3. When installing, align the clamping groove 9 on the surface of the second clamping claw 7 with the supporting rod 8 of the crushing claw 3 and press down, so that the second clamping claw 7 is installed on the supporting rod 8, and then fixed with the fixing nut 10. The second clamping claw 7 is also used to increase the number of clamping claws of the crushing claw 3, and works together with the first clamping claw 6 and the crushing claw 3 to share the grabbing and crushing force when breaking the rock layer. Reduce the damage of the clamping claw. The surface of the crushing claw 3 is provided with four supporting rods 8 on both sides, and the supporting rod 8 is integrally formed with the crushing claw 3, which is mirror image arranged with the crushing claw 3 as the center. Its role is to cooperate with the clamping groove 9 on the surface of the second clamping claw 7 to provide an installation position for the second clamping claw 7, and the second clamping claw 7 is fixed on the crushing claw 3 by the fixing nut 10. Embodiment two:

[0026] Reference Figures 1-4 A hard rock high-frequency impact rock breaking tunneling device, further based on the basic structure in embodiment one, after the device is started, the rotating motor in the driving base 1 operates, drives the vibration cutting arm 2 to rotate through the flange connection, and makes the crushing claw 3 reach the predetermined rock breaking position. At the same time, the high-frequency vibration motor in the vibration cutting arm 2 works, transmits vibration power to the crushing claw 3 connected therewith, makes the crushing claw 3 vibrate at high frequency, and impacts and breaks the rock layer with ordinary hardness.

[0027] When hard rock is encountered, first claw 6 and its integral mounting bracket 5 are installed in the mounting slot 4 of the crushing claw 3, and are fixed with eight fixing bolts, so that they form an integral whole; then the clamping groove 9 on the surface of the second claw 7 is aligned with the supporting rod 8 of the crushing claw 3 and is installed by pressing down, and then is fixed with the fixing nut 10. At this time, the first claw 6 and the second claw 7 increase the number of claws of the crushing claw 3, and when crushing rock, the multiple claws work together to share the grabbing and crushing force, thereby reducing the stress load of each claw and reducing the damage of the claw. The high-frequency vibrating crushing claw 3 and each claw together efficiently impact and crush hard rock to complete the tunneling operation.

[0028] In summary:

[0029] 1. When hard rock is encountered, the mounting bracket 5 of the first claw 6 is installed in the mounting slot 4 of the crushing claw 3, and the mounting bracket 5 of the first claw 6 is fixed on the crushing claw 3 with eight fixing bolts, so that the crushing claw 3 and the mounting bracket 5 form an integral whole. After the first claw 6 is installed, the clamping grooves 9 on the surfaces of the two second claws 7 are aligned on the supporting rods 8 of the crushing claw 3, and are pressed down to install the two second claws 7 on the supporting rods 8. After installation, the fixing nut 10 is used for fixation. The number of claws of the crushing claw 3 is increased by adding the first claw 6 and the second claw 7, so as to reduce the grabbing and crushing force required to be borne by each claw, reduce the excessive wear and deformation of the claw, and even solve the problem that the number of claws of the crushing claw 3 cannot be adjusted according to the hardness of the rock.

[0030] In the utility model, unless otherwise clearly defined and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hard rock high-frequency percussive rock breaking and tunneling apparatus comprising a drive base (1), characterized in that: The top of the driving base (1) is provided with a vibrating cutting arm (2), one side of the vibrating cutting arm (2) is provided with a crushing claw (3), the surface of the crushing claw (3) is provided with a mounting groove (4), one side of the mounting groove (4) is provided with a mounting frame (5), the surface of the mounting frame (5) is provided with a first clamping jaw (6), the surface of the crushing claw (3) is provided with four supporting rods (8), the two sides of the crushing claw (3) are provided with four second clamping jaws (7), the surface of the two second clamping jaws (7) is provided with four clamping grooves (9), and the side of the two second clamping jaws (7) away from the crushing claw (3) is provided with four fixing nuts (10).

2. The hard rock high-frequency impact rock breaking and tunneling equipment according to claim 1, characterized in that: The vibrating cutting arm (2) is mounted on the driving base (1), the crushing claw (3) is mounted at the top end of the vibrating cutting arm (2), and the crushing claw (3) is bolted with the vibrating cutting arm (2).

3. The hard rock high-frequency impact rock breaking and tunneling equipment according to claim 1, characterized in that: The mounting groove (4) is arranged on the side of the crushing claw (3) away from the driving base (1), and the mounting groove (4) is arranged on the middle of the surface of the crushing claw (3).

4. The hard rock high-frequency impact rock breaking and tunneling equipment according to claim 1, characterized in that: The first clamping jaw (6) is integrally formed with the mounting frame (5), the mounting frame (5) is mounted in the mounting groove (4), and the mounting frame (5) is bolted with the crushing claw (3).

5. The hard rock high-frequency impact rock breaking and tunneling apparatus according to claim 1, characterized in that: The four supporting rods (8) on the surface of the crushing claw (3) are mirror image arranged with the crushing claw (3) as the center.

6. The hard rock high-frequency impact rock breaking and tunneling apparatus according to claim 1, characterized in that: The clamping grooves (9) on the surface of the two second clamping jaws (7) correspond to the supporting rods (8) on the surface of the crushing claw (3) one by one, and the supporting rods (8) on the two sides of the crushing claw (3) are mounted in the clamping grooves (9) on the surface of the second clamping jaw (7).

7. The hard rock high-frequency impact rock breaking and tunneling apparatus according to claim 1, characterized in that: The fixing nuts (10) on the side of the two second clamping jaws (7) away from the crushing claw (3) are mounted on the supporting rods (8), and the second clamping jaws (7) are mounted on the crushing claw (3) through the fixing nuts (10).

Citation Information

Patent Citations

  • Rock crushing and heading machine

    CN111535805A