Cable dragging device of heading machine

The sliding design, which combines hydraulic rods and a drive motor, solves the problem of friction and wear on tunneling machine cables caused by gravity pressure, enabling smooth cable release and reducing wear.

CN223575818UActive Publication Date: 2025-11-21CHINA COAL NO 3 CONSTR (GRP) CORP LTD
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Patent Information

Application Number
CN202422737797.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-21
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

During the towing process, the existing tunneling machine cable experiences increased friction with the device's release point due to gravity pressure, resulting in cable wear.

Method used

The design employs a combination of hydraulic rods and a drive motor. By sliding the sliding plate and sliding block, the contact friction between the cable and the device release point is reduced, and the cable deviation is prevented by the clamping of the pressure roller and support roller.

Benefits of technology

This effectively reduces the friction between the cable and the device's release point, reduces cable wear, and ensures smooth cable release.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heading machine cable dragging device, and relates to the technical field of cable dragging devices, the heading machine cable dragging device comprises a bottom frame, a rotating frame and a cable arranging mechanism arranged on the rotating frame, the upper surface of the bottom frame is fixedly connected with a connecting frame, the lower surface of the rotating frame is fixedly connected with a connecting seat, and the inner wall of the connecting seat is rotatably connected with the connecting frame; a hydraulic rod is fixedly connected to the upper surface of the bottom frame, a sliding groove is formed in the lower surface of the rotating frame, a sliding plate is slidably connected to the inner wall of the sliding groove, and five hinge bases are fixedly connected to the lower surface of the sliding plate. The hydraulic rod extends or contracts to push the sliding plate to move upwards, the output end of the hydraulic rod and the hinge base rotate, then the sliding plate slides in the sliding groove, one side of the rotating frame rotates with the connecting position of the connecting frame and the connecting base as the center, one side of the rotating frame rotates downwards, and the side of the rotating frame is closer to the ground. And paying off is carried out.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable drag device technical field especially relates to tunneling machine cable drag device. BACKGROUND

[0002] With the high speed growth of domestic city rail transit, railway, highway, water conservancy, municipal engineering and other construction undertakings, our country tunneling machine also ushered in rapid development.Tunneling machine working mode: mainly by walking mechanism, working mechanism, loading mechanism and transfer mechanism are composed.With walking mechanism advancing, the cutting head in working mechanism breaks rock constantly and transports away the broken rock.

[0003] Tunneling machine cable is the power line connected tunneling machine and power supply system, its function is to deliver electric energy from power supply system to tunneling machine host and control its operation, with tunneling machine advancing work, will drag the connected cable constantly, after inquiring existing technology, know that the patent application number is '' 202322883732.7 '' of '' tunneling machine cable drag device'', this patent discloses, tunneling machine cable drag device, including bottom plate and installing in the left and right sides of bottom plate's side support frame, two side support frame inside are installed with outer ring shape cover, the inner ring of outer ring shape cover It is rotatably connected with inner ring shape cover, a plurality of connecting shafts are rotatably arranged between the outer ring shape cover, a plurality of insertion rods are arranged at equal intervals on the outer side of the connecting shaft, a limiting assembly is arranged on the outer side of the insertion rod, the limiting assembly can be used for limiting the cable, solve the problem that most of the construction operation environment is complex, the ground sharp hard material (for example, gravel) is more, the cable will produce friction with the ground in the process of dragging, easy to cause cable damage, reduce the service life of cable, but the cable exists a certain distance with the ground when being released, the cable is pressed to the device release point due to gravity, thereby reducing the friction between the cable and the device release point, and the cable is greatly worn. UTILITY MODEL CONTENTS

[0004] The utility model discloses a tunneling machine cable drag device to solve the problem that the cable is pressed to the device release point due to gravity, thereby reducing the friction between the cable and the device release point, and the cable is greatly worn.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: tunneling machine cable drag device, including the dolly, rotating frame and setting on the wire arrangement mechanism of rotating frame, the upper surface fixedly connected with connecting frame of dolly, the lower surface fixedly connected with connecting seat of rotating frame, the inner wall of connecting seat with the connecting frame rotates and is connected, the upper surface fixedly connected with the hydraulic rod of dolly, the lower surface of rotating frame is set with the sliding slot, the inner wall sliding connection has the sliding plate of sliding slot, the lower surface fixedly connected with five articulated seats of sliding plate, the output of hydraulic rod is connected with sliding plate through one articulated seat and rotates.

[0006] As further description of the above technical scheme:

[0007] The upper surface of the dolly is fixedly connected with the telescopic rod, the number of the telescopic rod is four, one end of four telescopic rods is rotatably connected with the sliding plate through the articulated seat.

[0008] As further description of the above technical scheme:

[0009] The upper surface of the rotating frame is fixedly connected with the fixed frame, and the inner wall of the fixed frame is rotatably connected with the wire wheel.

[0010] As further description of the above technical scheme:

[0011] The wire arrangement mechanism comprises a supporting frame, a compression roller and a supporting roller, and the surfaces of the compression roller and the supporting roller are provided with arc-shaped notches recessed towards the center.

[0012] As further description of the above technical scheme:

[0013] Both ends of the compression roller are rotatably connected with the inner wall of the supporting frame, and the front and back surfaces of the supporting frame are provided with sliding grooves.

[0014] As further description of the above technical scheme:

[0015] The inner wall of the sliding groove is slidably connected with a sliding block, and both ends of the supporting roller are rotatably connected with the sliding blocks on the front and back surfaces of the supporting frame.

[0016] As further description of the above technical scheme:

[0017] The surface of the sliding block is provided with a screw hole penetrating through the surface, and the inner wall of the sliding groove is rotatably connected with a lead screw.

[0018] As further description of the above technical scheme:

[0019] The inner wall of the screw hole is threadedly connected with the lead screw, and the surface of the supporting frame is inlaid with a driving motor.

[0020] As a further description of the above technical solutions:

[0021] The output end of the driving motor is fixedly connected with the lead screw.

[0022] As a further description of the above technical solutions:

[0023] The lower surface of the chassis is fixedly connected with a moving wheel, and the surface of the moving wheel is provided with an antiskid sleeve.

[0024] The utility model has the advantages of the following beneficial effects:

[0025] 1. Compared with the prior art, the tunneling machine cable dragging device, the hydraulic rod is elongated or contracted, the sliding plate is pushed to move upward, the output end of the hydraulic rod is rotated with the hinge seat, and then the sliding plate is slid in the sliding groove, the side of the rotating frame is rotated downward as the center of the connection between the connecting frame and the connecting seat, the side of the rotating frame is closer to the ground, the contact point of the laid cable with the ground and the laying point of the device are close during laying, the pressure of the cable on the laying point of the device due to gravity is reduced, the friction between the cable and the laying point of the device is reduced, the abrasion of the cable is reduced, the cable is laid conveniently, and the telescopic rod is elongated or contracted to cooperate during the process, so that the rotating frame is not easy to be separated from the chassis.

[0026] 2. Compared with the prior art, the tunneling machine cable dragging device, the driving motor drives the lead screw to rotate, the sliding block is driven to slide in the sliding groove through the cooperation of the screw hole and the lead screw, the sliding block drives the supporting roller to move upward, the cable is clamped through the cooperation of the pressing roller and the supporting roller, and the cable is not easy to deviate during laying. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is an overall structural schematic view of the tunneling machine cable dragging device provided by the utility model;

[0028] Figure 2 It is an overall structural schematic view of the tunneling machine cable dragging device provided by the utility model; Figure 1 It is an enlarged view of structure A in the middle;

[0029] Figure 3 It is a partial sectional view of the rotating frame of the tunneling machine cable dragging device provided by the utility model;

[0030] Figure 4 It is a structural schematic view of the supporting frame of the tunneling machine cable dragging device provided by the utility model;

[0031] Figure 5 It is an overall structural schematic view of the tunneling machine cable dragging device provided by the utility model; Figure 4 It is an enlarged view of structure B in the middle.

[0032] LEGEND:

[0033] 1, chassis; 2, rotating frame; 3, connecting frame; 4, connecting seat; 5, telescopic rod; 6, hydraulic rod; 7, sliding groove; 8, sliding plate; 9, hinged seat; 10, fixed frame; 11, wire wheel; 12, support frame; 13, compression roller; 14, support roller; 15, sliding groove; 16, lead screw; 17, sliding block; 18, screw hole; 19, drive motor; 20, moving wheel. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0036] Embodiment:

[0037] Reference Figure 1 - Figure 5The cable dragging device of the tunneling machine has the advantages that the cable dragging device is convenient to use, the cable is not easy to be damaged, the cable is easy to be dragged out, and the cable dragging device is not easy to be separated from the bottom frame.

[0038] Referring to Figure 1 - Figure 5The upper surface of the rotating frame 2 is fixedly connected with a fixed frame 10, the inner wall of the fixed frame 10 is rotatably connected with a wire wheel 11, the wire arranging mechanism comprises a supporting frame 12, a pressing roller 13 and a supporting roller 14, the surfaces of the pressing roller 13 and the supporting roller 14 are provided with arc-shaped recesses which are recessed to the center, the cross section of the cable is circular, thus the cable is easy to roll to the recessed center of the pressing roller 13 and the supporting roller 14, so as to limit the position of the cable, the two ends of the pressing roller 13 are rotatably connected with the inner wall of the supporting frame 12, the front surface and the back surface of the supporting frame 12 are both provided with sliding grooves 15, the inner wall of the sliding groove 15 is slidably connected with a sliding block 17, the two ends of the supporting roller 14 are rotatably connected with the sliding blocks 17 which are located on the front surface and the back surface of the supporting frame 12, the surface of the sliding block 17 is provided with a screw hole 18 which penetrates through the surface of the sliding block 17, the inner wall of the sliding groove 15 is rotatably connected with a lead screw 16, the inner wall of the screw hole 18 is threadedly connected with the lead screw 16, the surface of the supporting frame 12 is inlaid with a driving motor 19, the output end of the driving motor 19 is fixedly connected with the lead screw 16, the lower surface of the base frame 1 is fixedly connected with a moving wheel 20, the surface of the moving wheel 20 is provided with an antiskid sleeve, when the cable is reeled or unreeled, the cable is put on the wire wheel 11, the cable is introduced into the wire arranging mechanism from the wire wheel 11, the cable is passed between the pressing roller 13 and the supporting roller 14, then the driving motor 19 is started, the driving motor 19 drives the lead screw 16 to rotate, the sliding block 17 is driven to slide in the sliding groove 15 through the cooperation of the screw hole 18 and the lead screw 16, so that the sliding block 17 drives the supporting roller 14 to move upwards, the cable is clamped by the pressing roller 13 and the supporting roller 14, so that the cable is not easy to deviate when laid.

[0039] Working principle: the hydraulic rod 6 is elongated or contracted, the sliding plate 8 is pushed to move upwards, the output end of the hydraulic rod 6 is rotated with the hinged seat 9, then the sliding plate 8 is slid in the sliding groove 7, one side of the rotating frame 2 is rotated downwards with the connecting part of the connecting frame 3 and the connecting seat 4 as the center, so that one side of the rotating frame 2 is closer to the ground, the cable is introduced into the wire arranging mechanism from the wire wheel 11, the cable is passed between the pressing roller 13 and the supporting roller 14, then the driving motor 19 is started, the driving motor 19 drives the lead screw 16 to rotate, the sliding block 17 is driven to slide in the sliding groove 15 through the cooperation of the screw hole 18 and the lead screw 16, so that the sliding block 17 drives the supporting roller 14 to move upwards, the cable is clamped by the pressing roller 13 and the supporting roller 14, so that the cable is not easy to deviate when laid, when the cable is unreeled, the contact point of the unreeled cable with the ground is close to the unreeled point of the device, the pressure of the cable on the unreeled point of the device due to gravity is reduced, so that the friction between the cable and the unreeled point of the device is reduced, and the abrasion of the cable is reduced.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A cable pulling device for a roadheader, comprising a chassis (1), a rotating frame (2) and a cable unwinding mechanism arranged on the rotating frame (2), characterized in that: The upper surface of the chassis (1) is fixedly connected with a connecting frame (3), the lower surface of the rotating frame (2) is fixedly connected with a connecting seat (4), the inner wall of the connecting seat (4) is rotatably connected with the connecting frame (3), the upper surface of the chassis (1) is fixedly connected with a hydraulic rod (6), the lower surface of the rotating frame (2) is provided with a sliding groove (7), the inner wall of the sliding groove (7) is slidably connected with a sliding plate (8), the lower surface of the sliding plate (8) is fixedly connected with five hinged seats (9), the output end of the hydraulic rod (6) is rotatably connected with the sliding plate (8) through one of the hinged seats (9), the upper surface of the chassis (1) is fixedly connected with an extension rod (5), the number of the extension rod (5) is four, one end of each of the four extension rods (5) is rotatably connected with the sliding plate (8) through a hinged seat (9).

2. A roadheader cable pulling device according to claim 1, characterised in that: The upper surface of the rotating frame (2) is fixedly connected with a fixed frame (10), and the inner wall of the fixed frame (10) is rotatably connected with a wire wheel (11).

3. The development machine cable pulling device of claim 1, wherein: The wire arranging mechanism comprises a supporting frame (12), a pressing roller (13) and a supporting roller (14), and the surfaces of the pressing roller (13) and the supporting roller (14) are provided with arc-shaped recesses recessed towards the center.

4. A roadheader cable pulling device according to claim 3, characterised in that: Both ends of the pressing roller (13) are rotatably connected with the inner wall of the supporting frame (12), and the front surface and the back surface of the supporting frame (12) are provided with sliding grooves (15).

5. A roadheader cable pulling device according to claim 4, characterised in that: The inner wall of the sliding groove (15) is slidably connected with a sliding block (17), and both ends of the supporting roller (14) are rotatably connected with the sliding blocks (17) located on the front surface and the back surface of the supporting frame (12).

6. A roadheader cable pulling device according to claim 5, characterised in that: The surface of the sliding block (17) is provided with a threaded hole (18) penetrating through the surface, and the inner wall of the sliding groove (15) is rotatably connected with a lead screw (16).

7. A roadheader cable pulling device according to claim 6, characterised in that: The inner wall of the threaded hole (18) is threadedly connected with the lead screw (16), and the surface of the supporting frame (12) is embedded with a driving motor (19).

8. A development machine cable pulling arrangement according to claim 7, characterised in that: The output end of the driving motor (19) is fixedly connected with the lead screw (16).

9. The machine cable pulling device of claim 1, wherein: The lower surface of the chassis (1) is fixedly connected with a moving wheel (20), and the surface of the moving wheel (20) is provided with an anti-skid sleeve.

Citation Information

Patent Citations

  • Cable drag device for tunnel boring machine

    CN220964295U