Modular covering device for a tunneling machine

CN224664612UActive Publication Date: 2026-08-21HUNAN BOZHIKAI INNOVATION TECH CO LTD
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Patent Information

Application Number
CN202522179897.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-15
Publication Date
2026-08-21
Estimated Expiration
2035-10-15

AI Technical Summary

Technical Problem

[0003]目前的掘进机在无需使用时,一般都是长期暴露在外界环境中,当掘进机的钻头部位长时间暴露在外界环境中后,外界环境中的灰尘等杂质会堆积粘附在钻头的表面,长时间的堆积可能会对钻头造成侵蚀或污染,从而影响钻头的钻孔精度和质量,并且当外界环境中的物体不小心撞击到钻头时,则会导致钻头出现损坏等情况,从而会对钻头的正常使用效果造成影响,而且当工作人员不小心碰撞到钻头时,还会对工作人员造成伤害,降低了装置整体的实用性及安全性

Benefits of technology

[0019] 1. This utility model, through the setting of the installation components, can conveniently and effectively fix and assemble the mating sleeve and the connecting sleeve, thereby facilitating the subsequent positioning and installation of the transparent visual cover by the staff. At the same time, it can also facilitate the staff to change the specifications of the mating sleeve and the transparent visual cover according to the actual size of the drill bit. Thus, the transparent visual cover can effectively cover and protect drill bits of different sizes, effectively improving the overall practicality and flexibility of the device.

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Abstract

The utility model discloses a kind of modularization covering devices for heading machine, it is related to heading machine technical field, the modularization covering device includes connecting sleeve, the surface of the connecting sleeve is perforated with a plurality of screw holes for bolt activity, the surface of the connecting sleeve is symmetrically equipped with positioning frame, arc block is inserted in the positioning frame.The utility model is equipped with mounting assembly, can be fixed between cooperation sleeve and connecting sleeve by staff, while the specification of cooperation sleeve can be replaced by staff according to drill bit, locking assembly is equipped, can be installed by staff transparent visual covering cap, so that drill bit can be covered and protected by transparent visual covering cap, while the specification of transparent visual covering cap can be replaced by staff, effectively improve the practicability and flexibility of device whole.
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Description

Technical Field

[0001] This utility model relates to the field of tunneling machine technology, specifically a modular covering device for tunneling machines. Background Technology

[0002] A tunneling machine is a mechanical device used for underground roadway or tunnel construction. It breaks rock (coal) layers mechanically and simultaneously completes loading, transportation, support and other operations to achieve efficient tunneling. When the drill bit of the tunneling machine is not in use, a modular covering device is needed to protect the drill bit.

[0003] Currently, tunneling machines are generally exposed to the external environment for extended periods when not in use. When the drill bit is exposed to the external environment for a long time, dust and other impurities accumulate and adhere to the surface of the drill bit. Over time, this accumulation may cause corrosion or contamination of the drill bit, thus affecting the drilling accuracy and quality. Furthermore, if objects in the external environment accidentally hit the drill bit, it can cause damage, which will affect the normal use of the drill bit. Moreover, if workers accidentally bump into the drill bit, it can also cause injury to the workers, reducing the overall practicality and safety of the equipment.

[0004] Based on this, a modular covering device for tunneling machines is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this invention is to provide a modular covering device for tunneling machines to solve the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A modular cover device for a tunneling machine includes a connecting sleeve with multiple threaded holes for bolt movement through its surface. A positioning frame is symmetrically mounted on the surface of the connecting sleeve, and an arc-shaped block is inserted into the positioning frame. A mating sleeve is fixedly connected to the surface of the arc-shaped block by multiple connecting rods. A transparent and visible cover is inserted into two mating sleeves.

[0008] The mounting components are symmetrically arranged on the surface of the positioning frame and are used to fix the mating sleeve and the connecting sleeve.

[0009] The locking components are symmetrically arranged on the surface of the mating sleeve and are used to secure the transparent visual cover to the mating sleeve.

[0010] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0011] In one alternative embodiment: the mounting assembly includes mounting rods symmetrically mounted on the surface of the positioning frame, with a limiting plate fixedly connected to the other end of each mounting rod. A movable plate is slidably connected to the outer wall of every two mounting rods. A return spring is sleeved on the outside of the mounting rod, and the return spring abuts against the movable plate and the limiting plate. A pull ring is fixedly connected to one side of the movable plate, and a mounting insert is fixedly connected to the other side of the movable plate. Slots for the mounting insert are provided on the surfaces of the positioning frame and the arc-shaped block.

[0012] In one alternative: multiple mounting rods are fitted with accordion covers, and the two ends of the accordion covers are fixedly connected to the opposite side of the moving plate and the limiting plate, respectively.

[0013] In one alternative embodiment: the locking assembly includes support blocks symmetrically mounted on the surface of the mating sleeve, a locking block fixedly connected to the surface of the support block, an abutment plate inside the locking block, a pull rod fixedly connected to the upper surface of the abutment plate, an arc-shaped pull plate fixedly connected to the other end of every two pull rods, an abutment spring sleeved on the outside of the pull rod, the abutment spring abutting between the abutment plate and the locking block, a plurality of locking rods fixedly connected to the surface of the arc-shaped pull plate, and locking grooves for the locking rods to move on the surfaces of the mating sleeve and the transparent visible cover.

[0014] In one alternative: a positioning plate and a limiting frame are respectively installed on the surface of the mating sleeve, and the surface of the limiting frame is provided with a movable groove for the positioning plate to move.

[0015] In one alternative: both mating sleeves have rubber sealing gaskets bonded to their surfaces.

[0016] In one alternative: multiple contact springs and return springs are made of stainless steel.

[0017] In one alternative, the transparent viewing cover is made of plastic.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] 1. This utility model, through the setting of the installation components, can conveniently and effectively fix and assemble the mating sleeve and the connecting sleeve, thereby facilitating the subsequent positioning and installation of the transparent visual cover by the staff. At the same time, it can also facilitate the staff to change the specifications of the mating sleeve and the transparent visual cover according to the actual size of the drill bit. Thus, the transparent visual cover can effectively cover and protect drill bits of different sizes, effectively improving the overall practicality and flexibility of the device.

[0020] 2. By setting up a locking component, this utility model allows workers to easily fix and assemble the transparent viewing cover with the two mating sleeves, thereby effectively protecting the drill bit and extending its service life. It also makes it easy for workers to change the specifications of the transparent viewing cover, further improving the overall practicality and ease of use of the device. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the exploded structure of this utility model.

[0023] Figure 3 This is a schematic diagram of the left-side structure of this utility model.

[0024] Figure 4 for Figure 2 A magnified structural diagram of region A in the middle.

[0025] Figure 5 for Figure 2 A magnified structural diagram of region B in the middle.

[0026] Figure 6 This is a schematic diagram of another structure of the connecting sleeve in this utility model.

[0027] Figure label annotations:

[0028] 1. Connecting sleeve; 2. Positioning frame; 3. Arc-shaped block; 4. Connecting rod; 5. Mating sleeve; 6. Transparent visible cover; 7. Rubber sealing gasket; 8. Positioning plate; 9. Limiting frame; 10. Locking rod; 11. Limiting plate; 12. Moving plate; 13. Return spring; 14. Mounting plate; 15. Bellows protective cover; 16. Support block; 17. Locking block; 18. Abutment plate; 19. Pull rod; 20. Abutment spring; 21. Arc-shaped pull plate; 22. Mounting rod. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0030] In one embodiment, such as Figures 1-6 As shown, a modular covering device for a tunneling machine includes a connecting sleeve 1. The surface of the connecting sleeve 1 has multiple threaded holes for bolt movement. A positioning frame 2 is symmetrically installed on the surface of the connecting sleeve 1. An arc-shaped block 3 is inserted into the positioning frame 2. The surface of the arc-shaped block 3 is fixedly connected to a mating sleeve 5 by multiple connecting rods 4. A transparent visible cover 6 is inserted into two mating sleeves 5.

[0031] The mounting components are symmetrically arranged on the surface of the positioning frame 2 and are used to fix the mating sleeve 5 and the connecting sleeve 1.

[0032] The locking components are symmetrically arranged on the surface of the mating sleeve 5 and are used to fix the transparent visible cover 6 to the mating sleeve 5.

[0033] In this embodiment, when the tunneling machine is not needed, the connecting sleeve 1 is simply fixed to the outside of the tunneling machine using bolts and special tools. (Before installing the connecting sleeve 1, the drill bit must be removed. The connecting sleeve 1 will not affect the subsequent normal use of the drill bit. The connecting sleeve 1 can also be split in half, designed as upper and lower parts, and the upper and lower parts are installed on the surface of the tunneling machine using bolts. The design can be adjusted according to the actual needs of the site. Another method of installing the connecting sleeve 1 is as follows...) Figure 6 As shown, after the connecting sleeve 1 is installed, the arc-shaped block 3 is inserted into the positioning frame 2, and then the arc-shaped block 3 and the positioning frame 2 are fixed together by the installation component. At this time, the mating sleeve 5 can be fixedly installed on the outside of the connecting sleeve 1. After the mating sleeve 5 is installed, the transparent visible cover 6 is inserted into the two mating sleeves 5, and then the transparent visible cover 6 and the two mating sleeves 5 are fixed together by the locking component. At this time, the drill bit can be effectively covered by the transparent visible cover 6, which can prevent dust and other impurities in the external environment from adhering and accumulating on the outer wall of the drill bit. It can also prevent objects in the external environment from directly hitting the drill bit, causing damage to the drill bit, and can also prevent workers from colliding with the drill bit, causing injury to workers. This effectively improves the overall practicality and safety of the device.

[0034] In one embodiment, such as Figure 2 and Figure 4As shown, the mounting assembly includes mounting rods 22 symmetrically mounted on the surface of the positioning frame 2. The other end of each mounting rod 22 is fixedly connected to a limiting plate 11. A movable plate 12 is slidably connected to the outer wall of every two mounting rods 22. A return spring 13 is sleeved on the outside of each mounting rod 22, abutting against the movable plate 12 and the limiting plate 11. A pull ring is fixedly connected to one side of the movable plate 12, and a mounting insert plate 14 is fixedly connected to the other side. Slots for the mounting insert plate 14 are provided on the surfaces of the positioning frame 2 and the arc-shaped block 3. When it is necessary to install the mating sleeve 5 and the connecting sleeve 1, simply pull the pull ring, which will then move the movable plate. 12 moves synchronously on the outer wall of the mounting rod 22. During the movement of the moving plate 12, it will squeeze the return spring 13. The moving plate 12 will also drive the mounting insert plate 14 to move synchronously. At this time, the arc block 3 is inserted into the positioning frame 2, and then the pull ring is released. At this time, the return spring 13 is reset, and the moving plate 12 and the mounting insert plate 14 move synchronously. When the mounting insert plate 14 is inserted into the slot on the surface of the arc block 3, the arc block 3 and the positioning frame 2 can be fixed. At this time, the mating sleeve 5 can be fixedly installed on the connecting sleeve 1. At the same time, it is convenient for the staff to change the specifications of the mating sleeve 5 according to the actual specifications of the drill bit.

[0035] In one embodiment, such as Figure 2 and Figure 4 As shown, each of the multiple mounting rods 22 is fitted with a bellows cover 15. The two ends of the bellows cover 15 are fixedly connected to the opposite side of the moving plate 12 and the limiting plate 11, respectively. By setting the bellows cover 15, the return spring 13 can be effectively protected, thereby effectively extending the service life of the return spring 13, without affecting the normal use of the return spring 13.

[0036] In one embodiment, such as Figure 2 and Figure 5As shown, the locking assembly includes support blocks 16 symmetrically mounted on the surface of the mating sleeve 5. Locking blocks 17 are fixedly connected to the surface of the support blocks 16. An abutment plate 18 is provided inside the locking block 17. A pull rod 19 is fixedly connected to the upper surface of the abutment plate 18. An arc-shaped pull plate 21 is fixedly connected to the other end of every two pull rods 19. An abutment spring 20 is sleeved on the outside of the pull rod 19, abutting between the abutment plate 18 and the locking block 17. Multiple locking pins 10 are fixedly connected to the surface of the arc-shaped pull plate 21. Locking grooves for the locking pins 10 to move are provided on the surfaces of the mating sleeve 5 and the transparent viewing cover 6. When the transparent viewing cover 6 needs to be installed, simply pull the arc-shaped pull plate 21. The arc-shaped pull plate 21 will then move the pull rods 19 and the abutment plate 18 synchronously. During the movement of the contact plate 18, the contact spring 20 is simultaneously compressed, and the arc-shaped pull plate 21 also drives the locking rod 10 to move simultaneously. At this time, the transparent visible cover 6 is inserted into the two mating sleeves 5, and then the arc-shaped pull plate 21 is released. At this time, the contact spring 20 returns to its original position, driving the contact plate 18 and the pull rod 19 to move simultaneously. The pull rod 19 then drives the arc-shaped pull plate 21 and the locking rod 10 to move simultaneously. When the locking rod 10 is inserted into the locking groove on the surface of the transparent visible cover 6, the transparent visible cover 6 and the mating sleeve 5 can be fixed. At this time, the drill bit can be effectively covered and protected by the transparent visible cover 6, and the staff can easily change the specifications of the transparent visible cover 6 according to the specifications of the drill bit.

[0037] In one embodiment, such as Figure 3 As shown, a positioning plate 8 and a limiting frame 9 are respectively installed on the surface of the mating sleeve 5. The surface of the limiting frame 9 is provided with a movable groove for the positioning plate 8 to move. When both mating sleeves 5 are installed, the positioning plate 8 will also be inserted into the limiting frame 9 at the same time. At this time, the positioning plate 8 and the limiting frame 9 can effectively play a limiting role, thereby further improving the stability of the two mating sleeves 5 after installation.

[0038] In one embodiment, such as Figure 2 and Figure 3 As shown, rubber sealing gaskets 7 are bonded to the surfaces of both mating sleeves 5. By setting the rubber sealing gaskets 7, the sealing performance between the mating sleeves 5 and the connecting sleeves 1 can be effectively improved, thereby further enhancing the overall coverage and protection effect of the device on the drill bit.

[0039] In one embodiment, such as Figures 1-6 As shown, the multiple contact springs 20 and return springs 13 are all made of stainless steel. Stainless steel has good corrosion resistance, so the contact springs 20 and return springs 13 also have good corrosion resistance, which can further extend the service life of the contact springs 20 and return springs 13.

[0040] In one embodiment, such as Figures 1-6 As shown, the transparent viewing cover 6 is made of plastic. Because the transparent viewing cover 6 is made of plastic, its usage cost is low, which can further reduce the user's usage cost.

[0041] The above embodiments disclose a modular cover device for a tunneling machine. When the tunneling machine is not in use, the connecting sleeve 1 is first fixed to the outside of the tunneling machine using bolts and special tools. (Before installing the entire cover device, the drill bit must be removed. The connecting sleeve 1 will not affect the subsequent normal use of the drill bit. The connecting sleeve 1 can also be split in half, designed as upper and lower parts, and the upper and lower parts are also installed on the surface of the tunneling machine using bolts. This can be adjusted according to actual needs.) After the connecting sleeve 1 is installed, the arc-shaped block 3 is inserted into the positioning frame 2, and then the arc-shaped block 3 and the positioning frame 2 are fixed together by the cooperation between the pull ring and the mounting plate 14. Once the mating sleeve 5 is installed, it can be fixedly installed on the outside of the connecting sleeve 1. After the mating sleeve 5 is installed, the transparent visual cover 6 is inserted into the two mating sleeves 5. Then, the transparent visual cover 6 is fixed to the two mating sleeves 5 by the cooperation between the arc-shaped pull plate 21 and the locking rod 10. At this time, the drill bit can be effectively covered by the transparent visual cover 6, which can prevent dust and other impurities in the external environment from adhering and accumulating on the outer wall of the drill bit. It can also prevent objects in the external environment from directly hitting the drill bit and causing damage to the drill bit. In addition, it can prevent workers from colliding with the drill bit and causing injury, effectively improving the overall practicality and safety of the device.

[0042] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A modular cover device for a tunneling machine, comprising a connecting sleeve (1), characterized in that, The surface of the connecting sleeve (1) is provided with multiple threaded holes for bolt movement. A positioning frame (2) is symmetrically mounted on the surface of the connecting sleeve (1). An arc-shaped block (3) is inserted into the positioning frame (2). A mating sleeve (5) is fixedly connected to the surface of the arc-shaped block (3) via multiple connecting rods (4). A transparent viewing cover (6) is inserted into two of the mating sleeves (5). The system also includes: The mounting components are symmetrically arranged on the surface of the positioning frame (2) and are used to fix the mating sleeve (5) and the connecting sleeve (1); The locking components are symmetrically arranged on the surface of the mating sleeve (5) and are used to fix the transparent visual cover (6) to the mating sleeve (5).

2. A modular covering device for a tunneling machine according to claim 1, characterized in that, The mounting assembly includes mounting rods (22) symmetrically mounted on the surface of the positioning frame (2). The other end of the mounting rod (22) is fixedly connected to a limiting plate (11). A movable plate (12) is slidably connected to the outer wall of each pair of mounting rods (22). A return spring (13) is sleeved on the outside of the mounting rod (22). The return spring (13) abuts against the movable plate (12) and the limiting plate (11). A pull ring is fixedly connected to one side of the movable plate (12). A mounting insert plate (14) is fixedly connected to the other side of the movable plate (12). The surfaces of the positioning frame (2) and the arc block (3) are both provided with slots for the mounting insert plate (14) to move.

3. A modular covering device for a tunneling machine according to claim 2, characterized in that, Each of the mounting rods (22) is fitted with a bellows cover (15), and the two ends of the bellows cover (15) are fixedly connected to the opposite side of the moving plate (12) and the limiting plate (11), respectively.

4. A modular covering device for a tunneling machine according to claim 3, characterized in that, The locking assembly includes support blocks (16) symmetrically mounted on the surface of the mating sleeve (5). A locking block (17) is fixedly connected to the surface of the support block (16). An abutment plate (18) is provided inside the locking block (17). A pull rod (19) is fixedly connected to the upper surface of the abutment plate (18). An arc-shaped pull plate (21) is fixedly connected to the other end of each pair of pull rods (19). An abutment spring (20) is sleeved on the outside of the pull rod (19). The abutment spring (20) abuts between the abutment plate (18) and the locking block (17). A plurality of locking rods (10) are fixedly connected to the surface of the arc-shaped pull plate (21). Locking grooves for the locking rods (10) to move are opened on the surfaces of the mating sleeve (5) and the transparent visible cover (6).

5. A modular covering device for a tunneling machine according to claim 1, characterized in that, The surface of the fitting sleeve (5) is respectively equipped with a positioning plate (8) and a limiting frame (9), and the surface of the limiting frame (9) is provided with a movable groove for the positioning plate (8) to move.

6. A modular covering device for a tunneling machine according to claim 1, characterized in that, Both of the mating sleeves (5) have rubber sealing gaskets (7) bonded to their surfaces.

7. A modular covering device for a tunneling machine according to claim 4, characterized in that, The multiple contact springs (20) and return springs (13) are all made of stainless steel.

8. A modular covering device for a tunneling machine according to claim 1, characterized in that, The transparent visual cover (6) is made of plastic.