Top plate drilling device for subway construction

By designing a drilling device for the roof slab of subway construction, which utilizes a mobile trolley and adjustment mechanism for automated drilling, the problems of high labor costs, low efficiency, and safety hazards in existing technologies have been solved, achieving efficient and safe drilling operations.

CN223629551UActive Publication Date: 2025-12-05CHINA COMM ROAD & BRIDGE NORTH CHINA ENG +1
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Patent Information

Application Number
CN202423033484.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-12-05
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

The existing method of drilling holes in the roof of subway construction has problems such as high labor costs, low drilling efficiency, pollution of the working environment, and safety hazards.

Method used

Design a drilling device for subway construction roof slabs, comprising a combination of a mobile trolley, support base, lifting rod, adjustment mechanism, support frame, hydraulic telescopic rod, drilling rig, drill bit and collection hood. Through positioning of the mobile trolley, adjustment of the height and angle of the adjustment mechanism, advancement of the hydraulic telescopic rod and guidance of the guide sleeve, automated drilling and dust collection are achieved.

Benefits of technology

It achieves convenient operation by one person, high safety, high drilling accuracy, and no environmental pollution, reducing labor costs and improving construction efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223629551U_ABST
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Abstract

The utility model relates to the technical field of drilling construction, in particular to a subway construction roof drilling device which comprises a moving trolley, supporting seats are fixedly installed at the top of the moving trolley, adjusting cylinders are fixedly installed at the tops of the supporting seats, and lifting rods are slidably connected into the adjusting cylinders. An adjusting mechanism is installed between the adjusting cylinder and the lifting rod, a supporting frame is fixedly installed at the top end of the lifting rod, a mounting frame is rotatably connected to the front face of the supporting frame, a hydraulic telescopic rod is fixedly installed at the bottom end of the front face of the mounting frame, and a drilling machine is fixedly installed at the driving end of the hydraulic telescopic rod; compared with an existing subway top plate drilling construction mode, the subway top plate drilling device can be operated by only one person through design, drilling operation can be conducted conveniently and automatically, climbing is not needed, construction safety is guaranteed, drilling precision can be guaranteed, applicability of the device is improved, and the subway top plate drilling device is suitable for popularization and application. And pollution to the working environment is avoided.
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Description

TECHNICAL FIELD

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

[0002] With the development of society, subway becomes more and more important traffic mode of city, and has been adopted and implemented in large and medium-sized cities of our country, and the subway roof drilling construction usually adopts handheld electric drill to directly drill, and there are many problems in handheld electric drill direct drilling: first, the number of personnel is occupied, generally 2 (drilling 1, moving scaffold 1) can complete the operation, and the labor cost is high; manual handheld electric drill drilling, labor intensity is big, and workers are easy to fatigue, and the upward thrust is insufficient, which influences drilling efficiency; the ash falling during drilling can pollute the working environment; and the construction personnel need to work on the scaffold every time drilling, which is climbing operation, and there are safety hazards.

[0003] Therefore, it is particularly important to design a subway construction roof drilling device to solve the above defects. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model designs a subway construction roof drilling device, which aims at solving the technical problems of high labor cost, low drilling efficiency, polluted working environment and safety hazards in the existing subway roof drilling construction.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A subway construction roof drilling device, including mobile trolley, the top of mobile trolley is fixedly installed with support seat, the top of support seat is fixedly installed with adjusting cylinder, the inside of adjusting cylinder is slidably connected with lifting rod, adjusting mechanism is installed between adjusting cylinder and lifting rod, the top of lifting rod is fixedly installed with support frame, the front of support frame is rotatably connected with mounting bracket, the bottom of the front of mounting bracket is fixedly installed with hydraulic telescopic rod, the driving end of hydraulic telescopic rod is fixedly installed with drilling machine, the driving end of drilling machine is fixedly installed with drill bit, the top of mounting bracket and outside drill bit are fixedly installed with guide sleeve, the outside of guide sleeve is fixedly installed with collecting cover.

[0007] As the preferred scheme of the utility model, the four corners of the bottom of mobile trolley are rotatably connected with mobile wheels, the bottom of mobile trolley and outside multiple groups of mobile wheels are screw-connected with fixed feet, the rear end of the top of mobile trolley is fixedly installed with handlebar.

[0008] As the preferred scheme of the utility model, the adjusting mechanism includes a threaded rod rotatably connected to the inside of the adjusting cylinder, the bottom end of the lifting rod is threadedly connected with the threaded rod through a connecting sleeve, and the connecting sleeve is rotatably connected with the lifting rod, the bottom end of the threaded rod is fixedly installed with a first bevel gear, the bottom end of the adjusting cylinder is rotatably connected with a crank handle, and one end of the crank handle inside the adjusting cylinder is engaged with the first bevel gear through a second bevel gear.

[0009] As the preferred scheme of the utility model, the bottom end of the lifting rod is symmetrically connected with sliding blocks, and the two groups of sliding blocks are slidably connected with the inner side wall of the adjusting cylinder through sliding grooves.

[0010] As the preferred scheme of the utility model, the outside of the crank handle is fixedly installed with a fixed gear, the outside of the bottom end of the adjusting cylinder is slidably connected with a pull rod, one end of the pull rod close to the fixed gear is fixedly connected with a fixed tooth block, the fixed tooth block is engaged with the fixed gear, the outside of the pull rod is sleeved with a spring, and the top end of the fixed tooth block is slidably connected with the outside of the bottom end of the adjusting cylinder through a sliding rod.

[0011] As the preferred scheme of the utility model, the top end of the mounting frame is rotatably connected with the support frame through a rotating shaft, and a fixed knob is threadedly connected with the support frame at a position corresponding to the rotating shaft.

[0012] As the preferred scheme of the utility model, the front surface of the support frame and located at the bottom end of the mounting frame is fixedly installed with a guide rail, and a roller is rotatably connected with the bottom end of the mounting frame and located at the inner side of the guide rail.

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

[0014] 1、In the utility model, through the cooperation of the moving trolley, the supporting seat, the lifting rod, the adjusting mechanism, the support frame, the mounting frame, the hydraulic telescopic rod, the drilling machine, the drill bit, the guide sleeve and the collecting cover, when drilling the top plate of the subway, the moving trolley is moved to the position directly below the drilling position, the height of the lifting rod is adjusted through the adjusting mechanism, the drill bit is adjusted to the position directly below the hole, the drilling machine is started to drive the drill bit to rotate in the drilling process, the hydraulic telescopic rod is started to slowly push the drilling machine to drill, the guide sleeve is used to assist in guiding to improve the drilling precision, the collecting cover is used to collect the generated dust, and one person can operate, which is convenient for drilling operation, guarantees the safety of construction without climbing, guarantees the drilling precision, and avoids pollution to the working environment.

[0015] 2. The utility model discloses, through the cooperation design of support frame and mounting bracket, before the drilling of the lifting lifting rod, first loosens the fixed knob and makes it remove the fixed of rotating shaft, makes mounting bracket can rotate in the front of support frame, in this process, the inner slide of guide rail of gyro wheel, after adjusting, again screw into the fixed knob and make its bottom end and resist the rotating shaft and fix, can adjust the angle of drilling according to the drilling demand, further improved the applicability of device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is Figure 1 It is enlarged view in A of the utility model;

[0018] Figure 3 It is adjusting mechanism structure schematic diagram of the utility model;

[0019] Figure 4 It is Figure 3 It is enlarged view in B of the utility model;

[0020] Figure 5 It is hydraulic telescopic rod, drilling machine and drill bit structure schematic diagram of the utility model;

[0021] Figure 6 It is support frame and mounting bracket structure schematic diagram of the utility model.

[0022] In the drawing: 1, mobile trolley;101, moving wheel;102, fixed foot;103, handlebar;2, support seat;3, adjusting cylinder;4, lifting rod;5, adjusting mechanism;501, threaded rod;502, connecting sleeve;503, first bevel gear;504, crank handle;505, second bevel gear;506, sliding block;507, sliding slot;508, fixed gear;509, pull rod;510, fixed tooth block;511, spring;512, sliding rod;6, support frame;7, mounting bracket;701, rotating shaft;702, fixed knob;703, guide rail;704, gyro wheel;8, hydraulic telescopic rod;9, drilling machine;10, drill bit;11, guide sleeve;12, collection cover. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Embodiment:

[0025] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0026] A subway construction roof drilling device, including mobile trolley 1, the top of mobile trolley 1 is fixedly installed with support seat 2, the top of support seat 2 is fixedly installed with adjusting cylinder 3, the inside sliding connection of adjusting cylinder 3 has lift rod 4, adjusting mechanism 5 is installed between adjusting cylinder 3 and lift rod 4, the top of lift rod 4 is fixedly installed with support frame 6, the front of support frame 6 is rotatably connected with mounting bracket 7, the bottom of the front of mounting bracket 7 is fixedly installed with hydraulic telescopic rod 8, the drive end of hydraulic telescopic rod 8 is fixedly installed with drilling machine 9, the drive end of drilling machine 9 is fixedly installed with drill bit 10, the top of mounting bracket 7 and located the outside of drill bit 10 is fixedly installed with guide sleeve 11, the outside of guide sleeve 11 is fixedly installed with collection cover 12.

[0027] First, the four corners of mobile trolley 1 bottom are rotatably connected with mobile wheels 101, the bottom of mobile trolley 1 and located the outside of multiple groups of mobile wheels 101 are screw-connected with fixed feet 102, the rear end of mobile trolley 1 top is fixedly installed with handlebar 103, according to the drilling position of subway construction roof, control handlebar 103 and push mobile trolley 1, move mobile trolley 1 to the position directly below the drilling position by mobile wheels 101, then lift drill bit 10 until it is aligned with the hole, finally rotate fixed feet 102 and make it rest against the ground to be fixed, so as to guarantee the stability of mobile trolley 1 when drilling.

[0028] Further, adjusting mechanism 5 includes screw rod 501 rotatably connected in the inside of adjusting cylinder 3, the bottom of lift rod 4 is screw-connected with screw rod 501 through connecting sleeve 502, and connecting sleeve 502 is rotatably connected with lift rod 4, the bottom of screw rod 501 is fixedly installed with first bevel gear 503, the bottom of adjusting cylinder 3 is rotatably connected with crank 504, one end of crank 504 in the inside of adjusting cylinder 3 is engaged with first bevel gear 503 through second bevel gear 505, when drilling the subway construction roof, move mobile trolley 1 to the position directly below the drilling position, then operate crank 504 to rotate, drive screw rod 501 to rotate under the transmission of second bevel gear 505 and first bevel gear 503, adjust the height of lift rod 4 under the connection of connecting sleeve 502, until drill bit 10 is adjusted to the position directly below the hole to complete positioning.

[0029] Then, the bottom of lift rod 4 is symmetrically connected with sliding block 506, two groups of sliding block 506 are slidably connected with the inner side wall of adjusting cylinder 3 through sliding groove 507, when adjusting the height of lift rod 4, sliding block 506 slides in the inside of sliding groove 507, avoid the rotation of lift rod 4 while guaranteeing its moving stability.

[0030] Second, the outer side of the crank 504 is fixedly provided with a fixed gear 508, the outer side of the bottom end of the adjusting cylinder 3 is slidably connected with a pull rod 509, one end of the pull rod 509 close to the fixed gear 508 is fixedly connected with a fixed tooth block 510, the fixed tooth block 510 is engaged with the fixed gear 508, the outer side of the pull rod 509 is sleeved with a spring 511, the top end of the fixed tooth block 510 is slidably connected with the outer side of the bottom end of the adjusting cylinder 3 through a sliding rod 512, when the crank 504 is operated, the pull rod 509 is pulled first, so that the fixed tooth block 510 is away from the fixed gear 508, so that the crank 504 can be rotated to adjust the height of the lifting rod 4, and then the pull rod 509 is loosened after the adjustment is completed, the fixed tooth block 510 is contacted with the fixed gear 508 under the top action of the spring 511, so that the crank 504 is fixed, thereby avoiding the lifting rod 4 from descending in the drilling process, and ensuring the safety of the construction process.

[0031] Finally, the top end of the mounting frame 7 is rotatably connected with the support frame 6 through a rotating shaft 701, the top of the support frame 6 is threadedly connected with a fixed knob 702 at a position corresponding to the rotating shaft 701, the front of the support frame 6 and located at the bottom end of the mounting frame 7 is fixedly provided with a guide rail 703, the bottom end of the mounting frame 7 and located at the inner side of the guide rail 703 is rotatably connected with a roller 704, before the lifting rod 4 is lifted for drilling, the fixed knob 702 is loosened to release the fixation of the rotating shaft 701, so that the mounting frame 7 can rotate on the front of the support frame 6, in this process, the roller 704 slides in the inner side of the guide rail 703, and then the fixed knob 702 is screwed in to be fixed at the bottom end of the rotating shaft 701 after the adjustment is completed, so that the angle of drilling can be adjusted according to the drilling requirement, further improving the applicability of the device.

[0032] In the embodiment, the specific implementation scene is that when drilling the subway construction roof, the mobile trolley 1 is moved to the position directly below the drilling position, then the fixing knob 702 is loosened to release the fixation of the rotating shaft 701, so that the mounting frame 7 can rotate on the front surface of the supporting frame 6, in the process, the roller 704 slides on the inner side of the guide rail 703, after the adjustment is completed, the fixing knob 702 is screwed to fix the bottom end against the rotating shaft 701, so that the angle of drilling can be adjusted according to the drilling requirement, then the crank 504 is operated to rotate, under the transmission of the second bevel gear 505 and the first bevel gear 503, the threaded rod 501 is driven to rotate, under the connection of the connecting sleeve 502, the height of the lifting rod 4 is adjusted, until the drill bit 10 is adjusted to the position directly below the hole to complete the positioning, in the drilling process, the drill 9 is started to drive the drill bit 10 to rotate, the hydraulic telescopic rod 8 is started to slowly push the drill 9 to drill, the guide sleeve 11 is used to assist the guidance to improve the drilling precision, the collecting cover 12 is used to collect the generated dust, the whole operation process is simple and convenient, compared with the existing subway roof drilling construction method, the utility model is designed to be operated by one person, not only the operation is convenient and automatic, but also the drilling operation can be performed, the safety of the construction is ensured due to no need to climb, the applicability of the device is improved due to the drilling precision is ensured, and the pollution to the working environment is avoided.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A subway construction roof drilling device comprising a mobile trolley (1), characterized in that: The top of the mobile trolley (1) is fixedly provided with a supporting seat (2), the top of the supporting seat (2) is fixedly provided with an adjusting cylinder (3), the inside of the adjusting cylinder (3) is slidably connected with a lifting rod (4), an adjusting mechanism (5) is arranged between the adjusting cylinder (3) and the lifting rod (4), the top end of the lifting rod (4) is fixedly provided with a supporting frame (6), the front of the supporting frame (6) is rotatably connected with a mounting frame (7), the bottom end of the front of the mounting frame (7) is fixedly provided with a hydraulic telescopic rod (8), the driving end of the hydraulic telescopic rod (8) is fixedly provided with a drilling machine (9), the driving end of the drilling machine (9) is fixedly provided with a drill bit (10), the top end of the mounting frame (7) and outside the drill bit (10) is fixedly provided with a guide sleeve (11), the outside of the guide sleeve (11) is fixedly provided with a collecting cover (12).

2. The subway construction roof drilling device according to claim 1, characterized in that: The bottom of the mobile trolley (1) is rotatably connected with a mobile wheel (101) at four corners, the bottom of the mobile trolley (1) and outside the mobile wheels (101) are threadedly connected with a fixed foot (102), the rear end of the top of the mobile trolley (1) is fixedly provided with a handlebar (103).

3. The subway construction roof drilling device according to claim 1, characterized in that: The adjusting mechanism (5) comprises a threaded rod (501) rotatably connected to the inside of the adjusting cylinder (3), the bottom end of the lifting rod (4) is threadedly connected with the threaded rod (501) through a connecting sleeve (502), and the connecting sleeve (502) is rotatably connected with the lifting rod (4), the bottom end of the threaded rod (501) is fixedly provided with a first bevel gear (503), the bottom end of the adjusting cylinder (3) is rotatably connected with a crank handle (504), one end of the crank handle (504) in the inside of the adjusting cylinder (3) is engaged with the first bevel gear (503) through a second bevel gear (505).

4. The subway construction roof drilling device according to claim 3, characterized in that: The bottom end of the lifting rod (4) is symmetrically connected with a sliding block (506), and the two groups of sliding blocks (506) are slidably connected with the inner side wall of the adjusting cylinder (3) through a sliding groove (507).

5. The subway construction roof drilling device according to claim 3, characterized in that: The outside of the crank handle (504) is fixedly provided with a fixed gear (508), the outside of the bottom end of the adjusting cylinder (3) is slidably connected with a pull rod (509), one end of the pull rod (509) close to the fixed gear (508) is fixedly connected with a fixed tooth block (510), and the fixed tooth block (510) is engaged with the fixed gear (508), the outside of the pull rod (509) is sleeved with a spring (511), and the top end of the fixed tooth block (510) is slidably connected with the outside of the bottom end of the adjusting cylinder (3) through a sliding rod (512).

6. The subway construction roof drilling device according to claim 1, characterized in that: The top end of the mounting frame (7) is rotatably connected with the supporting frame (6) through an rotating shaft (701), and the top of the supporting frame (6) is threadedly connected with a fixed knob (702) at a position corresponding to the rotating shaft (701).

7. The subway construction roof drilling device according to claim 1, characterized in that: The front of the supporting frame (6) and the bottom end of the mounting frame (7) are fixedly provided with a guide rail (703), and the bottom end of the mounting frame (7) and the inside of the guide rail (703) are rotatably connected with a roller (704).