Mine cable production traction mechanism

Abstract

The utility model relates to the technical field of cable production equipment, in particular to a mine cable production traction mechanism which comprises a workbench, the top of the workbench is fixedly connected with a fixing frame, a servo motor is arranged below the fixing frame, the servo motor is connected with a first traction roller through a rotating structure, and a second traction roller is arranged below the first traction roller. A sliding opening is formed in the top of the workbench, a moving mechanism is arranged below the sliding opening, the workbench is provided with a moving frame through the moving mechanism, a traction roller fine adjustment mechanism is arranged on the moving frame, and the moving mechanism controls the moving frame to be close to or away from the first traction roller on the fixing frame. The movable frame is driven by the hydraulic cylinder, the second traction roller on the movable frame can be controlled to be close to or far away from the first traction roller, the distance between the two traction rollers can be flexibly adjusted, and the production requirements of cables with small diameters and large diameters are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable production equipment technical field especially relates to a mine cable production traction mechanism. BACKGROUND

[0002] In the underground operation scene such as mining, as the key power transmission and signal transmission carrier, the production quality and efficiency of mine cable directly affect the safety and stability of mine operation. In the production process of mine cable, the traction mechanism is the core equipment to ensure the continuous and stable production of cable, mainly responsible for the traction and conveying of cable, and plays a key role in the processes such as extrusion, coating and cooling.

[0003] The existing cable traction mechanism such as the one disclosed in the announcement No. CN220456146U adopts the water jet head arranged on the first support and the hot air blower arranged on the second support, which can clean the cable by high pressure through the water jet head and dry the cleaned cable through the hot air blower, fully solving the problem of poor cleaning effect of the brush on the surface of the cable. However, in the above-mentioned traction mechanism, the position of the traction roller in the traction part is fixed and cannot be moved, and when small diameter cable is encountered, due to the limitation of clamping force and traction wheel groove size, problems such as slipping and damage to the surface of the cable are prone to occur. When producing large diameter or high hardness cable, insufficient traction and low transmission efficiency are also faced. SUMMARY

[0004] The utility model aims at solving the problem that the position of the traction roller in the traction part is fixed and cannot be moved in the existing traction mechanism, and when small diameter cable is encountered, due to the limitation of clamping force and traction wheel groove size, problems such as slipping and damage to the surface of the cable are prone to occur. When producing large diameter or high hardness cable, insufficient traction and low transmission efficiency are also faced, and a mine cable production traction mechanism is proposed.

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

[0006] A mine cable production traction mechanism, comprising a workbench, a fixed frame is fixedly connected to the top of the workbench, a servo motor is arranged below the fixed frame, a traction roller one is connected to the servo motor through a rotating structure, a sliding port is formed in the top of the workbench, a moving mechanism is arranged below the sliding port, the workbench is provided with a moving frame through the moving mechanism, a traction roller fine adjustment mechanism is arranged on the moving frame, and the moving mechanism controls the moving frame to approach or move away from the traction roller one on the fixed frame.

[0007] Preferably, a cleaning frame for cleaning the surface of the cable is fixedly connected to the top of the workbench, and a drying frame for drying the surface of the cable is arranged between the cleaning frame and the fixed frame.

[0008] Preferably, the rotating structure comprises gear one and gear two, both of which are rotationally connected with the bottom of the fixed frame, the gear one is fixedly connected with the output end of the servo motor, and the gear two is fixedly connected with the rotating shaft of the traction roller one.

[0009] Preferably, the moving mechanism comprises a hydraulic cylinder and a limiting sliding rod, the hydraulic cylinder is fixedly connected with the inner wall of the workbench, the limiting sliding rod is fixedly connected with the inner wall of the workbench, the telescopic end of the hydraulic cylinder is fixedly connected with the outer wall of the moving frame, and the moving frame is in sliding fit with the sliding opening.

[0010] Preferably, the traction roller fine adjustment mechanism comprises a sliding groove, a sliding rod, a spring, a sliding block and a traction roller two, the sliding groove is arranged on the moving frame, the sliding rod is fixedly connected with the inner wall of the sliding groove, the spring is sleeved on the outer surface of the sliding rod, the sliding block is in sliding connection with the sliding rod, and the traction roller two is rotationally connected with the opposite side of the sliding block.

[0011] Preferably, the moving frame is arranged in an F shape, one end of the spring is fixedly connected with the inner wall of the sliding groove, the other end of the spring is fixedly connected with the outer wall of the sliding block, and the sliding block is in sliding fit with the sliding groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a moving frame can be driven by a hydraulic cylinder, and the traction roller two on the moving frame can be controlled to approach or move away from the traction roller one, so that the distance between the two traction rollers can be flexibly adjusted to adapt to the production requirements of small-diameter to large-diameter cables.

[0014] 2、The sliding block on the sliding rod in the traction roller fine adjustment mechanism can slide, and the spring provides a buffer force, so that when small-diameter cables are pulled, the spring can automatically adjust the position of the traction roller two, ensuring effective clamping while avoiding damage to the cable surface due to excessive clamping force and preventing skidding. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of a mine cable production traction mechanism is provided for the utility model;

[0016] Figure 2 A rotating structure three-dimensional structure schematic view of a mine cable production traction mechanism is provided for the utility model;

[0017] Figure 3The utility model provides a kind of mobile mechanism three-dimensional structure schematic diagram of mine cable production traction mechanism.

[0018] Figure 4 The utility model provides a kind of traction roller fine adjustment mechanism sectional view of mine cable production traction mechanism.

[0019] In the drawing: 1, workbench;2, fixed frame;3, servo motor;4, traction roller one;5, sliding port;6, mobile mechanism;7, moving frame;8, traction roller fine adjustment mechanism;9, cleaning frame;10, drying frame;11, gear one;12, gear two;13, hydraulic cylinder;14, limit sliding rod;15, sliding groove;16, sliding rod;17, spring;18, sliding block;19, traction roller two. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in 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.

[0021] Refer to Figures 1-4 A kind of mine cable production traction mechanism, including workbench 1, the top of workbench 1 is fixedly connected with fixed frame 2, the lower of fixed frame 2 is fixedly connected with servo motor 3 by bolt nut, servo motor 3 is connected with traction roller one 4 by rotating structure, the top of workbench 1 is provided with sliding port 5, mobile mechanism 6 is arranged in the lower of sliding port 5, workbench 1 is provided with moving frame 7 by mobile mechanism 6, moving frame 7 is provided with traction roller fine adjustment mechanism 8, mobile mechanism 6 controls moving frame 7 to be close to or away from traction roller one 4 on fixed frame 2.

[0022] It should be noted that servo motor 3 adopts high-precision closed-loop control system, can accurately control traction speed in 0.1-5m / s range stepless regulation;Hydraulic cylinder 13 selects HSG series engineering hydraulic cylinder, rated working pressure 16MPa, push-pull force can reach 5 tons, is equipped with overload protection device. Specific selection calculation method adopts prior art in the art, so no more, and can be realized linkage operation by external PLC control system.

[0023] Further, the top of workbench 1 is fixedly connected with cleaning frame 9 for cleaning cable surface, drying frame 10 for drying cable surface is arranged between cleaning frame 9 and fixed frame 2.

[0024] The cleaning frame 9 and the drying frame 10 are both prior art means in the technical field to which the present application belongs, the cleaning frame 9 is used to wash the outer surface of the cable, so as to remove the impurities and ensure the good insulation performance of the cable, and the drying frame 10 is used to dry the surface of the cable by means of a hot air blower, so as to facilitate the uniform coating and close adhesion of the subsequent protective coating or sheath, and thus no further description is given.

[0025] Further, the rotating structure comprises a gear one 11 and a gear two 12, both of which are rotatably connected to the bottom of the fixed frame 2, the gear one 11 is fixedly connected to the output end of the servo motor 3, and the gear two 12 is fixedly connected to the rotating shaft of the traction roller one 4.

[0026] The gear one 11 is fixedly connected to the output end of the servo motor 3 through an expansion sleeve coupling, and the gear two 12 is connected to the rotating shaft of the traction roller one 4 by means of a key connection, and the transmission ratio is designed to be 1:1.5 to ensure sufficient traction torque.

[0027] Further, the moving mechanism 6 comprises a hydraulic cylinder 13 and a limiting slide rod 14, the hydraulic cylinder 13 is fixedly connected to the inner wall of the workbench 1, the limiting slide rod 14 is fixedly connected to the inner wall of the workbench 1, the extension end of the hydraulic cylinder 13 is fixedly connected to the outer wall of the moving frame 7, and the moving frame 7 is in sliding fit with the slide port 5.

[0028] The hydraulic cylinder 13 is provided with a magnetostrictive displacement sensor, which can accurately control the displacement distance and position; the surface of the limiting slide rod 14 is plated with hard chromium and is provided with a self-lubricating copper sleeve, so that the sliding of the moving frame 7 is smoother, the extension end of the hydraulic cylinder 13 is rigidly connected to the moving frame 7 through a flange plate, and the sliding fit surface of the moving frame 7 and the slide port 5 is provided with a polytetrafluoroethylene wear-resistant plate, which enhances the wear resistance of the moving frame 7 and the slide port 5 and prolongs the service life.

[0029] Further, the traction roller fine adjustment mechanism 8 comprises a sliding groove 15, a sliding rod 16, a spring 17, a sliding block 18 and a traction roller two 19, the sliding groove 15 is formed in the moving frame 7, the sliding rod 16 is fixedly connected to the inner wall of the sliding groove 15, the spring 17 is sleeved on the outer surface of the sliding rod 16, the sliding block 18 is in sliding connection with the sliding rod 16, and the traction roller two 19 is rotatably connected to the opposite side of the sliding block 18.

[0030] The inside of the sliding groove 15 is provided with double-sided guide grooves on both sides, and the double-sided guide groove structure effectively prevents the lateral deviation of the sliding block 18.

[0031] Further, the moving frame 7 is in F-shaped arrangement, one end of the spring 17 is fixedly connected to the inner wall of the sliding groove 15, the other end of the spring 17 is fixedly connected to the outer wall of the sliding block 18, and the sliding block 18 is in sliding fit with the sliding groove 15.

[0032] The outer wall of the traction roller one 4 and the traction roller two 19 is covered with high-elastic rubber pad, the friction coefficient is reduced, the high-elastic rubber pad is processed with pattern or groove structure, the adhesion is enhanced and the sliding friction is reduced, and the cable surface scratch rate is reduced.

[0033] Working principle:

[0034] Firstly, the servo motor 3 drives the traction roller one 4 to rotate through the 1:1.5 transmission ratio of gear one 11 and gear two 12, and the traction cable is driven; after the cable is washed by the cleaning frame 9, the surface impurities are washed, and the hot air of the drying frame 10 is used for rapid drying, so that the subsequent processing quality is ensured.

[0035] Secondly, the hydraulic cylinder 13 drives the moving frame 7 to move along the sliding groove 5 and approach the traction roller one 4, the traction roller two 19 is in contact with the cable under the pre-tightening force of the spring 17, the sliding groove 15 designed with double-side guide grooves ensures that the sliding block 18 has no deviation, the magnetostrictive displacement sensor of the hydraulic cylinder 13 feeds back the position in real time, the PLC system dynamically adjusts the distance between the two rollers, and the constant tension traction is realized.

[0036] During the operation, the moving mechanism 6 and the traction roller fine adjustment mechanism 8 cooperate: when the cable diameter changes, the spring 17 is compressed and the compression amount is adaptively adjusted, the traction roller two 19 slides along the sliding rod 16, and the stable pressing force is maintained; the overload protection device cuts off the power of the hydraulic cylinder 13 under abnormal pressure, and the cable structure is protected.

[0037] The above merely describes the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A mine cable production traction mechanism comprising a table (1), characterized in that, The top of the workbench (1) is fixedly connected with a fixed frame (2), a servo motor (3) is arranged below the fixed frame (2), the servo motor (3) is connected with a traction roller one (4) through a rotating structure, a sliding port (5) is opened in the top of the workbench (1), a moving mechanism (6) is arranged below the sliding port (5), the workbench (1) is provided with a moving frame (7) through the moving mechanism (6), a traction roller fine adjustment mechanism (8) is arranged on the moving frame (7), and the moving mechanism (6) controls the moving frame (7) to approach or move away from the traction roller one (4) on the fixed frame (2).

2. A mine cable production pulling mechanism according to claim 1, characterised in that, The top of the workbench (1) is fixedly connected with a cleaning frame (9) for cleaning the surface of the cable, and a drying frame (10) for drying the surface of the cable is arranged between the cleaning frame (9) and the fixed frame (2).

3. A mine cable production pulling mechanism according to claim 1, characterised in that, The rotating structure comprises a gear one (11) and a gear two (12), the gear one (11) and the gear two (12) are both rotatably connected with the bottom of the fixed frame (2), the gear one (11) is fixedly connected with the output end of the servo motor (3), and the gear two (12) is fixedly connected with the rotating shaft of the traction roller one (4).

4. A mine cable production pulling mechanism according to claim 1, characterized in that, The moving mechanism (6) comprises a hydraulic cylinder (13) and a limiting sliding rod (14), the hydraulic cylinder (13) is fixedly connected with the inner wall of the workbench (1), the limiting sliding rod (14) is fixedly connected with the inner wall of the workbench (1), the telescopic end of the hydraulic cylinder (13) is fixedly connected with the outer wall of the moving frame (7), and the moving frame (7) is in sliding fit with the sliding port (5).

5. A mine cable production pulling mechanism according to claim 1, characterized in that, The traction roller fine adjustment mechanism (8) comprises a sliding groove (15), a sliding rod (16), a spring (17), a sliding block (18) and a traction roller two (19), the sliding groove (15) is opened in the moving frame (7), the sliding rod (16) is fixedly connected with the inner wall of the sliding groove (15), the spring (17) is sleeved on the outer surface of the sliding rod (16), the sliding block (18) is in sliding connection with the sliding rod (16), and the traction roller two (19) is rotatably connected with the opposite side of the sliding block (18).

6. A mine cable production pulling mechanism according to claim 5, characterised in that, The moving frame (7) is arranged in an F shape, one end of the spring (17) is fixedly connected with the inner wall of the sliding groove (15), the other end of the spring (17) is fixedly connected with the outer wall of the sliding block (18), and the sliding block (18) is in sliding fit with the sliding groove (15).

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