Top plate drilling device for subway construction

By introducing a sliding dust collection hood and a reinforced protective disc into the drilling device, the problem of damage to brittle materials caused by automatic drilling was solved, and stability and debris collection during the drilling process were achieved, thus improving construction safety.

CN223801599UActive Publication Date: 2026-01-16SHANGHAI UNDERGROUND CONSULTING & SUPERVISION TECH CO LTD
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Patent Information

Application Number
CN202520448236.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-16
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Existing drilling equipment for subway construction roof slabs exerts pressure and vibration on brittle materials such as concrete or wood during automatic drilling, leading to uneven structure and local collapses or cracks, posing safety hazards.

Method used

A drilling device for subway construction roof slabs was designed, which uses a sliding dust collection hood and a reinforced protective plate. Through spring support, fixed legs and pneumatic lifting components are used to ensure the stability of the roof slab and the collection of debris during the drilling process, preventing damage.

Benefits of technology

It effectively prevented damage to the roof during the drilling process, improved construction safety, and reduced the risk of local collapse and cracking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a subway construction roof drilling device, and relates to the field of subway construction. The device comprises a drilling piece, a dust collection cover is slidably connected to the top end of the drilling piece and used for receiving chippings generated during drilling, a reinforcing protection disc is arranged in the dust collection cover and fixedly connected to the outer end of the dust collection cover and used for supporting a drilling area, fixing leg columns are fixedly connected to the back end of the reinforcing protection disc and slidably connected to a base of the drilling piece, and springs are arranged on the fixing leg columns. One end of the spring is fixedly connected to the fixed leg column, the other end of the spring is fixedly connected to a base of the drilling piece, and the spring is used for providing elastic support for the reinforcing protection disc. According to the device, the reinforcing protection disc is arranged at the outer end of the integrated cover, so that the reinforcing protection disc firstly makes contact with the top plate and reinforces and fixes the top plate when the top plate is drilled, and safety accidents caused by damage of the top plate in the drilling process are prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to subway construction technical field, concretely is a subway construction roof drilling device. BACKGROUND

[0002] The subway construction roof drilling device is a kind of equipment specially used for drilling the roof in subway construction.The traditional method of roof drilling construction in subway and other construction projects adopts handheld electric drill to directly drill, and direct drilling needs to climb, which leads to unstable punching, and climbing tools such as ladder are prone to tip over and cause personal injury, and the operation is dangerous.Meanwhile, high-temperature debris is generated during punching, which affects the safety of construction personnel.

[0003] And the existing subway construction roof drilling device generally adopts automatic punching device.But the pressure and drilling vibration caused by the device to the top structure of some brittle materials when automatically punching the top can lead to serious consequences, for example, for some concrete roof or board, the structure around the drilling hole is unevenly stressed and vibrates more intensely during drilling, which eventually leads to local collapse or fragmentation, causing safety accidents.In view of the above situation, the utility model provides a subway construction roof drilling device to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a subway construction roof drilling device, which solves the problem that the pressure and drilling vibration caused by the device to the top structure of some brittle materials when automatically punching the top can lead to serious consequences, for example, for some concrete roof or board, the structure around the drilling hole is unevenly stressed and vibrates more intensely during drilling, which eventually leads to local collapse or fragmentation, causing safety accidents.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a subway construction roof drilling device, comprising a drilling part, the drilling part top end is slidably connected with dust collecting cover, which is used to receive the debris generated during punching, the dust collecting cover is provided with reinforcing protection disc, which is fixedly connected to the outer end of dust collecting cover and used to support the drilling area, fixed leg column, which is fixedly connected to the end of reinforcing protection disc and slidably connected to the base of drilling part, spring, one end of the spring is fixedly connected to the fixed leg column, the other end of the spring is fixedly connected to the base of drilling part, which is used to provide elastic support for reinforcing protection disc.

[0006] Preferably, the bottom end of the drilling part is provided with pneumatic lifting part, which is used to drive the drilling part to move upward, the power output end of the pneumatic lifting part is fixedly connected with fixed lifting plate, the four ends of the fixed lifting plate are fixedly connected with fixed block, the fixed block is slidably connected with sliding hole, and the fixed leg column is slidably connected in the sliding hole.

[0007] Preferably, the bottom end of the drilling part is further provided with a support seat for supporting and fixing the drilling part, a cylinder fixing seat is fixedly connected to the top end of the support seat, the pneumatic lifting part is fixedly connected in the cylinder fixing seat, a support leg is fixedly connected to the bottom end of the support seat, and the support leg is used for supporting the ground.

[0008] Preferably, the bottom end of the fixed leg column is fixedly connected with a fixed bottom disc for limiting the fixed leg column, a fixed upper ring disc is further fixedly connected in the fixed leg column, the upper end of the spring is fixedly connected to the fixed upper ring disc, and the lower end of the spring is fixedly connected to the fixed block.

[0009] Preferably, a drilling protection hopper is fixedly connected in the dust collecting cover, the drilling protection hopper is in an upper-small and lower-large inclined conical shape, and a sliding cavity is formed in the drilling protection hopper.

[0010] Preferably, a drill bit is rotatably connected to the top end of the drilling part for drilling the roof, the drilling part is slidably connected in the sliding cavity, and the drilling protection hopper is used for preventing debris from accumulating around the drill bit.

[0011] The utility model discloses a subway construction roof drilling device, it has the beneficial effect as follows: this kind of subway construction roof drilling device, through setting up the reinforcing protection disc outside the integrated cover, and setting up the connecting relation between the integrated cover and drilling part as sliding type, make reinforcing protection disc first contact roof and reinforce fixed roof when drilling roof, prevent roof from being damaged and leading to safety accident in the drilling process. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0013] Figure 1 It is the whole front structure schematic diagram of the utility model;

[0014] Figure 2 It is the whole detail structure schematic diagram of the utility model;

[0015] Figure 3 It is the whole structure schematic diagram of the pneumatic lifting part of the utility model;

[0016] Figure 4 It is the whole structure schematic diagram of the dust collecting cover of the utility model;

[0017] Figure 5 The utility model discloses a dust collecting hood profile structure schematic diagram.

[0018] In the drawing: 1, dust collecting hood;11, reinforce protection disc;12, fixed leg post;121, fixed upper ring disc;122, fixed bottom disc;13, drill hole protection hopper;131, sliding cavity;14, spring;2, drill hole spare;21, drill bit;3, pneumatic lifting spare;31, fixed lifting plate;311, fixed block;312, sliding hole;4, support seat;41, air cylinder fixed base;42, support foot. DETAILED DESCRIPTION

[0019] In order to make the utility model embodiment's purpose, technical scheme and advantage more clearly, to the technical scheme in the utility model embodiment, clear, complete, obviously, the described embodiment is the part embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making the creative labor are within the scope of the utility model protection.

[0020] The embodiment of the application provides a subway construction roof drilling device, which solves the problem that the pressure and drilling vibration caused by the device to the top structure of some brittle materials when automatically punching the top will lead to serious consequences, for example, for some concrete roof or wood board, the structure around the drilling hole will be unevenly stressed and strongly vibrated during the drilling process, finally leading to local collapse or fragmentation and causing safety accidents.

[0021] In order to better understand the above technical scheme, the above technical scheme will be described in detail below in combination with the drawings in the specification and specific embodiments.

[0022] The utility model embodiment discloses a subway construction roof drilling device.

[0023] Embodiment one,

[0024] According to the Figures 1-5 As shown in the figure,

[0025] The drilling part 2 is slidably connected with the dust collecting cover 1 at the top end, which is used to receive the debris generated during drilling, and the dust collecting cover 1 is provided with a reinforced protection disc 11 fixedly connected at the outer end of the dust collecting cover 1, which is used to support the drilling area, a fixed leg column 12 fixedly connected at the end of the reinforced protection disc 11 and slidably connected with the base of the drilling part 2, a spring 14, one end of which is fixedly connected with the fixed leg column 12 and the other end of which is fixedly connected with the base of the drilling part 2, which is used to provide elastic support for the reinforced protection disc 11, and when in use, the drilling part 2 moves upward, and when moving, the reinforced protection disc 11 first contacts and abuts against the roof, and then the spring 14 is compressed, and the fixed leg column 12 slides on the base of the drilling part 2 until the drilling part 2 contacts the roof for drilling, so that not only the debris can be collected by the dust collecting cover 1 during drilling, but also the roof can be reinforced and stabilized by the reinforced protection disc 11, preventing the roof from being damaged and causing safety problems.

[0026] The bottom end of the drilling part 2 is provided with a pneumatic lifting part 3 for driving the drilling part 2 to move upward, and the power output end of the pneumatic lifting part 3 is fixedly connected with a fixed lifting plate 31, the four ends of the fixed lifting plate 31 are fixedly connected with fixed blocks 311, the fixed blocks 311 are slidably connected with sliding holes 312, and the fixed leg column 12 is slidably connected in the sliding holes 312, and the movement of the drilling part 2 is driven by the pneumatic lifting part 3.

[0027] The bottom end of the drilling part 2 is also provided with a support seat 4 for supporting and fixing the drilling part 2, and the top end of the support seat 4 is fixedly connected with a cylinder fixing seat 41, the pneumatic lifting part 3 is fixedly connected in the cylinder fixing seat 41, and the bottom end of the support seat 4 is fixedly connected with support feet 42 for supporting the ground.

[0028] Example two,

[0029] According to the Figures 1-5 As shown in example one,

[0030] The bottom end of the fixed leg column 12 is fixedly connected with a fixed bottom disc 122 for limiting the fixed leg column 12, and the fixed leg column 12 is also fixedly connected with a fixed upper ring disc 121, the upper end of the spring 14 is fixedly connected with the fixed upper ring disc 121, and the lower end of the spring 14 is fixedly connected with the fixed block 311.

[0031] The dust cover 1 is fixedly connected with a drilling protection hopper 13, the drilling protection hopper 13 is in the shape of an inverted cone, the drilling protection hopper 13 is provided with a sliding cavity 131, the drilling piece 2 is rotatably connected with a drill bit 21 at the top end, which is used for drilling the roof, the drilling piece 2 is slidably connected in the sliding cavity 131, and the drilling protection hopper 13 is used for preventing debris from accumulating around the drill bit 21. By arranging the drilling protection hopper 13, when the debris falls on the drilling protection hopper 13, the debris will slide off the inclined conical surface and will not accumulate at the top end of the drilling piece 2, so that the drill bit 21 and the equipment are not damaged.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of 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 utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A drilling device for a subway construction roof, comprising a drilling member (2), characterized in that, The top end of the drilling part (2) is slidingly connected with a dust collecting cover (1) for receiving the debris generated during drilling, and the dust collecting cover (1) is provided with: A reinforced protection disc (11) is fixedly connected to the outer end of the dust collecting cover (1) for supporting the drilling area; A fixed leg column (12) is fixedly connected to the end of the reinforced protection disc (11) and slidingly connected to the base of the drilling part (2); A spring (14) is fixedly connected to one end of the fixed leg column (12) and the other end of the spring (14) is fixedly connected to the base of the drilling part (2) for providing elastic support for the reinforced protection disc (11).

2. The subway construction roof drilling device according to claim 1, characterized in that: The bottom end of the drilling part (2) is provided with a pneumatic lifting part (3) for driving the drilling part (2) to move upward, and a fixed lifting plate (31) is fixedly connected to the power output end of the pneumatic lifting part (3), four ends of the fixed lifting plate (31) are fixedly connected with fixed blocks (311), sliding holes (312) are slidingly connected in the fixed blocks (311), and the fixed leg column (12) is slidingly connected in the sliding holes (312).

3. The subway construction roof drilling device according to claim 2, characterized in that: The bottom end of the drilling part (2) is also provided with a support seat (4) for supporting and fixing the drilling part (2), a cylinder fixing seat (41) is fixedly connected to the top end of the support seat (4), the pneumatic lifting part (3) is fixedly connected in the cylinder fixing seat (41), and support feet (42) are fixedly connected to the bottom end of the support seat (4) for supporting the ground.

4. The subway construction roof drilling device according to claim 2, characterized in that: The bottom end of the fixed leg column (12) is fixedly connected with a fixed bottom disc (122) for limiting the fixed leg column (12), and a fixed upper ring disc (121) is also fixedly connected in the fixed leg column (12), the upper end of the spring (14) is fixedly connected to the fixed upper ring disc (121), and the lower end of the spring (14) is fixedly connected to the fixed block (311).

5. The subway construction roof drilling device according to claim 1, characterized in that: The dust collecting cover (1) is fixedly connected with a drilling protection hopper (13), the drilling protection hopper (13) is in an upper small and lower large inclined conical shape, and a sliding cavity (131) is formed in the drilling protection hopper (13).

6. The subway construction roof drilling device according to claim 5, characterized in that: The top end of the drilling part (2) is rotatably connected with a drill bit (21) for drilling the roof, the drilling part (2) is slidingly connected in the sliding cavity (131), and the drilling protection hopper (13) is used for preventing the debris from accumulating around the drill bit (21).