Rapid drilling device for field installation of composite sleeper

By designing a composite sleeper rapid drilling device with multi-axis spindles and quick clamps, the problems of low drilling efficiency and poor accuracy on site were solved, achieving efficient and accurate multi-hole drilling and reducing the labor intensity of workers.

CN224012537UActive Publication Date: 2026-03-20TIEKE TENGYUE TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing technologies have low drilling efficiency and poor accuracy when installing synthetic sleepers on site, which affects train operation safety and increases the labor intensity for workers.

Method used

Design a rapid drilling device for on-site installation of synthetic railway sleepers. It adopts a multi-spindle head and a drilling head to enable multiple drill bits to work simultaneously. The frame is fixed by a quick clamp to improve drilling efficiency and accuracy.

Benefits of technology

This technology enables simultaneous drilling of multiple fastener holes, improving drilling efficiency and accuracy while reducing operation time and worker workload.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a composite sleeper on-site installation rapid drilling device which comprises a machine frame, a drilling device, a drilling device, a drilling device, a drilling device, a drilling device and a drilling device, and the machine frame is arranged on a steel rail in a sliding mode through two sets of walking wheels, the drilling machine head is arranged on the rack in a lifting manner; the multi-shaft device is connected with an output shaft of the drilling machine head, two rows of drill bit assemblies are arranged on the multi-shaft device, each drill bit assembly comprises a plurality of drill bits, and the drill bits correspond to the fixing holes in the steel rail fixing iron base plate in position; the quick clamps are arranged at the bottom of the rack through fixing columns, and one ends of the quick clamps are rotationally connected with the fixing columns; rotating the four groups of quick clamps to be opposite to the sleepers, and driving top plates of the quick clamps to be propped against the sleepers, so that the rack is fixed to a preset position; and the top plate is driven to be away from the sleeper, and the four sets of quick clamps rotate to be away from the sleeper so as to move the rack to the next station. A plurality of fastener holes can be drilled at the same time, so that the drilling efficiency is improved, the drilling precision is improved, the operation time is shortened, and the labor intensity of workers is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of railway engineering maintenance equipment technology, specifically a rapid drilling device for on-site installation of synthetic sleepers. Background Technology

[0002] Polyurethane composite sleepers are a new type of sleeper with advantages such as light weight, excellent physical and mechanical properties, good pull-out resistance of track spikes while maintaining gauge, and abundant synthetic material resources. They have great potential to replace traditional wooden and concrete sleepers. my country's railways have begun to gradually use composite material sleepers, which have advantages such as light weight, good processability, good durability, and excellent mechanical properties, giving them a significant advantage over existing concrete and wooden sleepers.

[0003] During the manufacturing process of composite sleepers, fastener holes need to be drilled on the upper surface to facilitate the fixing of the sleeper to the fasteners during installation. In some special sections of the track (such as curved sections), it may be impossible to accurately measure and position the fastener holes, making it impossible to drill them in the factory. In such cases, holes must be drilled on-site according to the positions of the rails and fasteners. Currently, handheld drilling tools are used on-site, requiring precise positioning of each hole. This method is inefficient and has poor positional accuracy. Since the fastener holes determine the installation position of the rails, large deviations in the fastener holes can affect train safety. Utility Model Content

[0004] The technical problem to be solved by this utility model is how to provide a rapid drilling device for on-site installation of synthetic sleepers, which can realize the simultaneous drilling of multiple fastener holes, thereby improving drilling efficiency, drilling accuracy, reducing operation time, and reducing the labor intensity of workers.

[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0006] A rapid drilling device for on-site installation of synthetic railway sleepers, comprising:

[0007] The frame is slidably mounted on the rails via two sets of oppositely positioned wheels at its bottom.

[0008] The drilling head can be raised and lowered on the frame via a lifting mechanism;

[0009] A multi-spindle assembly, the input shaft of which is connected to the output shaft of the drilling head, is provided with two rows of drill bit assemblies, each drill bit assembly including a plurality of drill bits, the drill bits being positioned corresponding to the fixing holes on the rail fixing iron pad;

[0010] Four sets of quick clamps are mounted on the bottom of the frame via fixed posts, with one end of each quick clamp rotatably connected to the fixed post. The four quick clamps are rotated to face the sleeper, and the top plate of each quick clamp is driven to press against the sleeper, thus fixing the frame in a preset position. The top plate is then driven away from the sleeper, and the four quick clamps are rotated away from the sleeper to move the frame to the next workstation.

[0011] In one embodiment of this utility model, the quick clamp includes a connecting rod, a threaded cylinder disposed at one end of the connecting rod, a hinge shaft disposed at the other end of the connecting rod, and a telescopic rod movably disposed within the threaded cylinder; the top plate is fixed to one end of the telescopic rod, the middle part of the telescopic rod is threadedly connected to the middle part of the threaded cylinder, and rotating the telescopic rod drives the threaded cylinder to move accordingly.

[0012] In one embodiment of this utility model, a magnet is provided on the connecting rod, and an adsorption part is provided on the fixing column corresponding to the magnet. When the quick clamp rotates away from the sleeper, the magnet and the adsorption part attract each other.

[0013] In one embodiment of this utility model, a handle is hinged to one end of the telescopic rod.

[0014] In one embodiment of this utility model, one end of the telescopic rod is provided with a through pin hole, and one end of the threaded cylinder is provided with a slot. When the top plate is pressed against the sleeper, the pin hole and the slot are aligned to provide a locking pin to fix the telescopic rod.

[0015] The locking pin includes a pin rod that passes through the pin hole and the slot, and a baffle plate disposed at the upper end of the pin rod. The baffle plate abuts against the threaded cylinder to prevent it from falling.

[0016] In one embodiment of this utility model, the lifting mechanism includes a support seat mounted on the frame, a lead screw vertically rotatably mounted on the support seat, and two vertically mounted slide rails; a nut seat and several sliders are provided on one side of the drilling head, the nut seat is threadedly connected to the lead screw, the sliders are slidably mounted on the slide rails, and a drive motor is provided at the upper end of the support seat, the drive motor being used to drive the lead screw to rotate.

[0017] In one embodiment of this utility model, the frame includes a frame body with a box-shaped frame structure, two frame base plates are arranged opposite each other at the bottom of the frame body, and the traveling wheels are provided.

[0018] The traveling wheel is rotatably mounted on the lower end surface of the frame base plate. It is dumbbell-shaped, with its middle part abutting against the upper end of the steel rail and its two sides abutting against the two sides of the steel rail.

[0019] The beneficial effects of adopting the above technical solution are as follows:

[0020] This application achieves the synchronous operation of multiple drill bits by using a multi-spindle mounted on the output shaft of the drilling head, thereby enabling the drilling of multiple positioning holes at once, increasing drilling efficiency, and achieving higher accuracy in hole spacing compared to drilling multiple holes with a single drill bit.

[0021] The drilling equipment of this application is slidably mounted on a steel rail via a frame, which facilitates movement and handling, and reduces the burden on users to move equipment. Attached Figure Description

[0022] Figure 1 This is a structural schematic diagram of an embodiment.

[0023] Figure 2 yes Figure 1 The diagram shows the structure behind the sleepers.

[0024] Figure 3 This is a schematic diagram of the lifting mechanism, drilling head, and multi-spindle facing the nut seat in the embodiment.

[0025] Figure 4 This is a schematic diagram of the lifting mechanism, drilling head, and multi-spindle facing the lead screw in the embodiment.

[0026] Figure 5 This is a schematic diagram of the quick clamp, fixing column, and sleeper in the embodiment.

[0027] Figure 6 This is an exploded view of the quick clamp in the embodiment.

[0028] The components include: 100 sleepers; 200 rails; and 300 rail fixing pads.

[0029] 400 Frame; 401 Frame body; 402 Frame base plate; 403 Fixed column; 403-1 Hinge seat; 404 Wheels;

[0030] 500 Lifting mechanism; 501 Drive motor; 502 Support base; 503 Lead screw; 504 Slide rail;

[0031] 600 Drilling head; 601 Nut seat; 602 Slider;

[0032] 700 multi-spindle head; 701 drill bit;

[0033] 800 Quick clamp; 801 Connecting rod; 802 Hinge coupling; 803 Threaded cylinder; 803-1 Slot; 804 Telescopic rod; 804-1 Pin hole; 805 Top plate; 806 Handle; 807 Locking pin; 807-1 Pin rod; 807-2 Baffle; 808 Magnet. Detailed Implementation

[0034] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be clearly and completely described below in conjunction with specific embodiments.

[0035] like Figures 1 to 4 The above-displayed rapid drilling device for on-site installation of synthetic railway sleepers includes:

[0036] A frame 400 is slidably mounted on a rail 200 via two sets of traveling wheels 404. The frame 400 includes a frame body 401 with a box-shaped frame structure. Two frame base plates 402 are disposed opposite each other at the bottom of the frame body 401. The traveling wheels 404 are rotatably mounted on the lower end surface of the frame base plates 402. The traveling wheels 404 are dumbbell-shaped, with their middle part abutting against the upper end of the rail 200 and their two sides abutting against the two sides of the rail 200.

[0037] A drilling head 600 is vertically and vertically mounted on the frame 400 via a lifting mechanism 500. The lifting mechanism 500 includes a support base 502 mounted on the frame 400, a lead screw 503 vertically rotatably mounted on the support base 502, and two vertically mounted slide rails 504. A nut seat 601 and several sliders 602 are provided on one side of the drilling head 600. The nut seat 601 is threadedly connected to the lead screw 503, and the sliders 602 are slidably mounted on the slide rails 504. A drive motor 501 is provided at the upper end of the support base 502, and the drive motor 501 is used to drive the lead screw 503 to rotate.

[0038] A multi-spindle head 700, the input shaft of which is connected to the output shaft of the drilling head 600, is provided with two rows of drill bit assemblies. (See also...) Figure 1 and Figure 2 The drill bit assembly includes two sets of drill bits 701, the drill bits 701 being positioned corresponding to the fixing holes on the rail fixing pad 300;

[0039] Four sets of quick clamps 800 are mounted on the bottom of the frame 400 via fixed posts 403, with one end of each quick clamp 800 rotatably connected to the fixed post 403. The four quick clamps 800 are rotated to face the sleeper 100, and their top plates 805 are driven to press against the sleeper 100, thus fixing the frame 400 in a preset position. The top plates 805 are then driven away from the sleeper 100, and the four quick clamps 800 are rotated away from the sleeper 100, moving the frame 400 to the next workstation.

[0040] See Figure 5 and Figure 6 The quick clamp 800 includes a connecting rod 801, a threaded cylinder 803 disposed at one end of the connecting rod 801, a hinge shaft 802 disposed at the other end of the connecting rod 801, a telescopic rod 804 movably disposed within the threaded cylinder 803, and a handle 806 hinged to one end of the telescopic rod 804. A top plate 805 is fixed to one end of the telescopic rod 804, and the middle portion of the telescopic rod 804 is threadedly connected to the middle portion of the threaded cylinder 803. Rotating the telescopic rod 804 drives the threaded cylinder 803 to move accordingly. A magnet 808 is provided on the connecting rod 801, and an adsorption part is provided on the fixing column 403 corresponding to the magnet 808. When the quick clamp 800 rotates away from the sleeper 100, the magnet 808 and the adsorption part are attracted to each other to prevent the quick clamp 800 from disengaging from the fixing column 403 and interfering with the movement of the frame 400 when the frame 400 moves.

[0041] See preferred options Figure 6 One end of the telescopic rod 804 has a through pin hole 804-1, and one end of the threaded cylinder 803 has a groove 803-1. When the top plate 805 is pressed against the sleeper 100, the pin hole 804-1 and the groove 803-1 are aligned to secure the telescopic rod 804 with a locking pin 807. The locking pin 807 includes a pin 807-1 that passes through the pin hole 804-1 and the groove 803-1, and a baffle 807-2 located at the upper end of the pin 807-1. The baffle 807-2 abuts against the threaded cylinder 803 to prevent it from falling.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rapid drilling device for on-site installation of synthetic railway sleepers, characterized in that, It includes: The frame (400) is slidably mounted on the rail (200) by two sets of traveling wheels (404) arranged opposite each other at the bottom; The drilling head (600) can be raised and lowered on the frame (400) via a lifting mechanism (500); A multi-spindle assembly (700) has its input shaft connected to the output shaft of the drilling head (600). The multi-spindle assembly (700) is provided with two rows of drill bit assemblies. The drill bit assembly includes a plurality of drill bits (701). The drill bits (701) correspond to the positions of the fixing holes on the rail fixing pad (300). Four sets of quick clamps (800) are mounted on the bottom of the frame (400) via fixed columns (403). One end of each quick clamp (800) is rotatably connected to the fixed column (403). The four sets of quick clamps (800) are rotated to face the sleeper (100), and the top plate (805) of each quick clamp (800) is driven to press against the sleeper (100) to fix the frame (400) in a preset position. The top plate (805) is driven away from the sleeper (100), and the four sets of quick clamps (800) are rotated away from the sleeper (100) to move the frame (400) to the next work station.

2. The rapid drilling device for on-site installation of synthetic sleepers according to claim 1, characterized in that, The quick clamp (800) includes a connecting rod (801), a threaded cylinder (803) disposed at one end of the connecting rod (801), a hinge shaft (802) disposed at the other end of the connecting rod (801), and a telescopic rod (804) movably disposed within the threaded cylinder (803); the top plate (805) is fixedly disposed at one end of the telescopic rod (804), the middle part of the telescopic rod (804) is threadedly connected to the middle part of the threaded cylinder (803), and rotating the telescopic rod (804) drives the corresponding threaded cylinder (803) to move.

3. The rapid drilling device for on-site installation of synthetic railway sleepers according to claim 2, characterized in that, A magnet (808) is provided on the connecting rod (801), and an adsorption part is provided on the fixing column (403) corresponding to the magnet (808). When the quick clamp (800) rotates away from the sleeper (100), the magnet (808) attracts the adsorption part.

4. The rapid drilling device for on-site installation of synthetic railway sleepers according to claim 2, characterized in that, A handle (806) is hinged to one end of the telescopic rod (804).

5. The rapid drilling device for on-site installation of synthetic railway sleepers according to claim 2, characterized in that, One end of the telescopic rod (804) is provided with a through pin hole (804-1), and one end of the threaded cylinder (803) is provided with a slot (803-1). When the top plate (805) is pressed against the sleeper (100), the pin hole (804-1) and the slot (803-1) are opposite each other to fix the telescopic rod (804) with a locking pin (807). The locking pin (807) includes a pin (807-1) that passes through the pin hole (804-1) and the slot (803-1) and a baffle (807-2) disposed on the upper end of the pin (807-1). The baffle (807-2) abuts against the threaded cylinder (803) to prevent it from falling.

6. The rapid drilling device for on-site installation of synthetic railway sleepers according to claim 1, characterized in that, The lifting mechanism (500) includes a support base (502) mounted on the frame (400), a lead screw (503) vertically rotatably mounted on the support base (502), and two vertically mounted slide rails (504); a nut seat (601) and several sliders (602) are provided on one side of the drilling head (600), the nut seat (601) is threadedly connected to the lead screw (503), the sliders (602) are slidably mounted on the slide rails (504), and a drive motor (501) is provided at the upper end of the support base (502), the drive motor (501) is used to drive the lead screw (503) to rotate.

7. The rapid drilling device for on-site installation of synthetic railway sleepers according to claim 1, characterized in that, The frame (400) includes a frame body (401) with a box-type frame structure. Two frame base plates (402) are disposed opposite each other at the bottom of the frame body (401). The wheels (404) are provided with… Rotatably mounted on the lower end surface of the frame base plate (402), the traveling wheel (404) is dumbbell-shaped, with its middle part abutting against the upper end of the rail (200), and its two sides abutting against the two sides of the rail (200).