Winch with steel wire rope over-unwinding prevention mechanism

Abstract

The invention discloses a winch with a steel wire rope over-pay-off prevention mechanism. The winch comprises a base, a mounting support arranged on the base, a pay-off and take-up barrel mechanism arranged on the mounting support and the over-pay-off prevention mechanism arranged on the mounting support and matched with a pay-off and take-up barrel assembly. The take-up and pay-off roller mechanism comprises a take-up barrel which is arranged on the mounting bracket and is horizontally placed, and a motor for driving the take-up barrel to rotate forwards and backwards; the over-unwinding prevention mechanism comprises a transverse plate arranged on the top of the mounting support and a linear sensor assembly arranged on the transverse plate, and the linear sensor assembly can detect the state of the steel wire rope. The state of the steel wire rope is detected through the over-releasing prevention mechanism composed of the transverse plate and the linear sensor assembly, so that over-releasing of the steel wire rope is avoided, and the purposes of optimizing the overall structure of the winch, avoiding over-releasing of the winch, improving the use safety of the winch and improving the safety coefficient of workers are achieved.

Description

Technical Field

[0001] The present invention relates to the production and application field of winches, and more particularly to a winch with a wire rope over-release prevention mechanism. Background Art

[0002] A winch (hydraulic winch) refers to the material lifting or horizontal towing widely used in ocean engineering, construction, water conservancy projects, forestry, mines, docks, etc. In the application environment of mines, winches are also relatively common equipment. However, during the use of traditional winches, the wire rope is prone to over-release, and the over-release of the wire rope poses potential safety hazards to the equipment and even causes harm to the staff.

[0003] The information disclosed in this background art section is only intended to deepen the understanding of the overall background art of the present invention and should not be regarded as an admission or any form of implication that this information constitutes the prior art known to those skilled in the art. Summary of the Invention

[0004] To solve the above technical problems, the present invention proposes a winch with a wire rope over-release prevention mechanism, aiming to optimize the overall structure of the winch, avoid the occurrence of over-release of the winch, improve the use safety of the winch, and enhance the safety factor of the staff.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] A winch with a wire rope over-release prevention mechanism includes a base, a mounting bracket provided on the base, a wire winding and unwinding drum mechanism provided on the mounting bracket, and an over-release prevention mechanism provided on the mounting bracket and cooperating with the wire winding and unwinding drum assembly;

[0007] The wire winding and unwinding drum mechanism includes a wire winding cylinder horizontally placed on the mounting bracket and a motor for driving the wire winding cylinder to rotate forward and backward;

[0008] The over-release prevention mechanism includes a cross plate provided at the top of the mounting bracket and a linear sensor assembly provided on the cross plate, and the linear sensor assembly can detect the state of the wire rope.

[0009] The present invention detects the state of the wire rope through the over-release prevention mechanism composed of the cross plate and the linear sensor assembly, thereby avoiding over-release of the wire rope, achieving the purpose of optimizing the overall structure of the winch, avoiding the occurrence of over-release of the winch, improving the use safety of the winch, and enhancing the safety factor of the staff.

[0010] It should be noted that a tensioning mechanism for tensioning and adjusting the wire rope is further included. The tensioning mechanism includes a tensioning plate provided on the cross plate, a main tensioning wheel provided on the tensioning plate, a tensioning rod provided on one side of the tensioning plate, a fixed boss provided on the back of the cross plate, and a tensioning long groove provided on the cross plate.

[0011] The tensioning long groove is horizontally arranged. One end of the tensioning rod is fixed to the side wall of the tensioning plate, and the other end passes through the tensioning long groove and is located on the other side of the cross plate. A tensioning spring is arranged between the end of the tensioning rod passing through the tensioning long groove and the fixed round table.

[0012] It should be noted that three main auxiliary wheels are further included, which are provided on the tensioning plate and cooperate with the main tensioning wheel, and the three main auxiliary wheels are evenly distributed on one side of the main tensioning wheel.

[0013] It should be noted that a secondary tensioning component is further included along the upper edge of the cross plate. The secondary tensioning component includes a secondary tensioning plate provided on the cross plate, a secondary tensioning wheel provided on the secondary tensioning plate, and two secondary auxiliary wheels provided on the secondary tensioning plate. The secondary auxiliary wheels are arranged outside the secondary tensioning wheel.

[0014] It should be noted that a row of mounting holes is provided along the upper edge of the cross plate. A locking groove is provided on the lower edge of the secondary tensioning plate. The secondary tensioning plate is fixedly mounted at a specified position on the cross plate through the locking groove and the mounting holes.

[0015] It should be noted that the wire winding and unwinding drum mechanism further includes an adjusting component. The adjusting component includes a moving unit provided on the mounting bracket, a mounting plate provided at the head end of the moving unit, an adjusting wheel provided on the mounting plate, and an auxiliary adjusting wheel provided on the mounting plate. The mounting plate moves back and forth in the horizontal direction under the action of the moving unit.

[0016] It should be noted that the adjusting component further includes a fixing plate provided at the tail end of the moving unit and a fixed adjusting wheel provided on the fixing plate. The fixing plate and the fixed adjusting wheel are at the same horizontal height.

[0017] It should be noted that the moving unit includes a transmission lead screw provided on the mounting bracket, a guide rod provided on the mounting bracket, and a driving motor provided at the head end of the transmission lead screw. The mounting plate cooperates with the transmission lead screw, and the mounting plate moves along the transmission lead screw under the action of the motor and the transmission lead screw.

[0018] It should be noted that the wire winding cylinder is matched with a limiting rod, and the limiting rod is also mounted on the mounting bracket.

[0019] It should be noted that a protective cover for protecting the motor is provided on the base; moving wheels are installed at the bottom of the base to facilitate the overall movement of the device.

[0020] The present invention has the following advantages:

[0021] 1. The anti-overrelease mechanism composed of a cross plate and a linear sensor assembly in the present invention detects the state of the wire rope, thereby avoiding overrelease of the wire rope, achieving the purpose of optimizing the overall structure of the winch, preventing overrelease of the winch, improving the use safety of the winch and enhancing the safety factor of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0023] Figure 1 It is a schematic structural diagram of a winch with a wire rope anti-overrelease mechanism disclosed in an embodiment of the present invention;

[0024] Figure 2 For Figure 1 an enlarged schematic view of part A in

[0025] Figure 3 It is a front view schematic diagram of a winch with a wire rope anti-overrelease mechanism disclosed in an embodiment of the present invention;

[0026] The corresponding component names represented by the numbers and letters in the figure:

[0027] 1. Base 2. Mounting bracket 31. Wire winding cylinder 32. Motor 3311. Driving lead screw 3312. Guide rod

[0028] 3313. Driving motor 332. Mounting plate 333. Adjusting wheel 334. Auxiliary adjusting wheel 335. Fixed plate

[0029] 336. Fixed adjusting wheel 41. Cross plate 42. Linear sensor assembly 51. Tensioning plate 52. Main tensioning wheel

[0030] 53. Tensioning rod 54. Fixed boss 55. Tensioning long groove 56. Main auxiliary wheel 571. Secondary tensioning plate

[0031] 572. Secondary tensioning wheel 573. Secondary auxiliary wheel 58. Tensioning spring 59. Mounting hole 510. Locking groove

[0032] 6. Limiting rod 7. Moving wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0034] The present invention provides a winch with a wire rope over-release prevention mechanism. Its working principle is to detect the state of the wire rope through the over-release prevention mechanism composed of a cross plate and a linear sensor assembly, so as to avoid over-release of the wire rope, achieve the purpose of optimizing the overall structure of the winch, preventing the winch from over-releasing, improving the use safety of the winch and enhancing the safety factor of the staff.

[0035] The present invention will be further described in detail below in conjunction with embodiments and specific implementation manners.

[0036] As Figures 1-3 shown, a winch with a wire rope over-release prevention mechanism includes a base 1, a mounting bracket 2 provided on the base, a wire winding and unwinding drum mechanism provided on the mounting bracket, an over-release prevention mechanism provided on the mounting bracket and cooperating with the wire winding and unwinding drum assembly, and a tensioning mechanism for tensioning and adjusting the wire rope.

[0037] More specifically:

[0038] The wire winding and unwinding drum mechanism includes a wire winding cylinder 31 provided horizontally on the mounting bracket, a motor 32 for driving the wire winding cylinder to rotate forward and backward, and an adjusting assembly 33 for adjusting the wire rope.

[0039] The adjusting assembly includes a moving unit provided on the mounting bracket, a mounting plate 332 provided at the head end of the moving unit, an adjusting wheel 333 provided on the mounting plate, an auxiliary adjusting wheel 334 provided on the mounting plate, a fixing plate 335 provided at the tail end of the moving unit, and a fixed adjusting wheel 336 provided on the fixing plate; the mounting plate moves back and forth in the horizontal direction under the action of the moving unit. The fixing plate and the fixed adjusting wheel are at the same horizontal height.

[0040] The moving unit includes a transmission lead screw 3311 provided on the mounting bracket, a guide rod 3312 provided on the mounting bracket, and a driving motor 3313 provided at the head end of the transmission lead screw; the mounting plate cooperates with the transmission lead screw, and the mounting plate moves along the transmission lead screw under the action of the motor and the transmission lead screw.

[0041] The wire rope is continuously wound around the adjusting wheel 333 and the fixed adjusting wheel 556, and then under the action of the driving motor 3313, the transmission lead screw 3311 and the guide rod 3312, when the wire winding cylinder 31 winds and unwinds the wire rope, the wire rope can be kept straight and wound or lowered regularly, ensuring the use quality of the wire rope.

[0042] The over-discharge prevention mechanism includes a cross plate 41 arranged at the top of the mounting bracket and a linear sensor assembly 42 arranged on the cross plate. The linear sensor assembly can detect the state of the steel wire rope. By using the linear sensor assembly 42 to detect the state of the steel wire rope, when it becomes loose, it indicates that the maximum position has been reached at this time, thus avoiding the occurrence of over-discharge.

[0043] The tensioning mechanism includes a tensioning plate 51 arranged on the cross plate, a main tensioning wheel 52 arranged on the tensioning plate, a tensioning rod 53 arranged on one side of the tensioning plate, a fixed boss 54 arranged on the back of the cross plate, a tensioning long groove 55 arranged on the cross plate, three main auxiliary wheels 56 arranged on the tensioning plate and cooperating with the main tensioning wheel, and a secondary tensioning assembly arranged along the edge of the cross plate; the tensioning long groove is horizontally arranged, one end of the tensioning rod is fixed to the side wall of the tensioning plate, and the other end passes through the tensioning long groove and is placed on the other side of the cross plate. A tensioning spring 58 is arranged between the end of the tensioning rod passing through the tensioning long groove and the fixed round table; the three main auxiliary wheels are evenly distributed on one side of the main tensioning wheel. By using the main tensioning wheel, the steel wire rope can be further kept in a straightened state under the cooperation of the tensioning spring 58.

[0044] The secondary tensioning assembly includes a secondary tensioning plate 571 arranged on the cross plate, a secondary tensioning wheel 572 arranged on the secondary tensioning plate, and two secondary auxiliary wheels 573 arranged on the secondary tensioning plate. The secondary auxiliary wheels are arranged outside the secondary tensioning wheel.

[0045] A row of mounting holes 59 are arranged along the upper edge of the cross plate, a locking groove 510 is arranged on the lower edge of the secondary tensioning plate, and the secondary tensioning plate is fixedly installed at a specified position on the cross plate through the locking groove and the mounting holes. The existence of the mounting holes and the locking groove also enables arbitrary adjustment of the position, which can meet the usage requirements of various winches.

[0046] The wire winding cylinder cooperates with the limiting rod 6, and the limiting rod is also installed on the mounting bracket.

[0047] A protective cover (not shown) for protecting the motor is fitted on the base; moving wheels 7 are installed at the bottom of the base to facilitate the overall movement of the equipment.

[0048] The above are only the preferred embodiments of a winch with a steel wire rope over-discharge prevention mechanism disclosed by the present invention. It should be noted that for those of ordinary skill in the art, without departing from the creative concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. A winch with a wire rope over-release prevention mechanism, characterized in that: It comprises a base, a mounting bracket arranged on the base, a wire retracting and releasing mechanism arranged on the mounting bracket, and an anti-over-releasing mechanism arranged on the mounting bracket and cooperating with the wire retracting and releasing assembly; The wire-reeling and reeling mechanism comprises a wire-reeling drum body which is arranged on the mounting bracket and placed horizontally, and a motor which drives the wire-reeling drum body to rotate forward and reverse; The over-discharge prevention mechanism includes a transverse plate arranged on the top of the mounting bracket and a linear sensor assembly arranged on the transverse plate, and the linear sensor assembly can detect the state of the wire rope.

2. A winch with a wire rope over-release prevention mechanism according to claim 1, characterized in that: It also includes a tensioning mechanism for tensioning and adjusting the steel wire rope, wherein the tensioning mechanism includes a tensioning plate arranged on the horizontal plate, a main tensioning wheel arranged on the tensioning plate, a tensioning rod arranged on one side of the tensioning plate, a fixing boss arranged on the back of the horizontal plate, and a tensioning long groove arranged on the horizontal plate; The tensioning slot is arranged horizontally, one end of the tensioning rod is fixed to the side wall of the tensioning plate, and the other end passes through the tensioning slot and is placed on the other side of the horizontal plate. A tensioning spring is arranged between the end of the tensioning rod passing through the tensioning slot and the fixed truncated table.

3. A winch with a wire rope over-release prevention mechanism according to claim 2, characterized in that: It also comprises three main auxiliary wheels which are arranged on the tensioning plate and matched with the main tensioning wheel, and the three main auxiliary wheels are evenly distributed on one side of the main tensioning wheel.

4. A winch with a wire rope over-release prevention mechanism according to claim 3, characterized in that: It also includes a secondary tensioning assembly arranged on the upper edge of the transverse plate, and the secondary tensioning assembly includes a secondary tensioning plate arranged on the transverse plate, a secondary tensioning wheel arranged on the secondary tensioning plate, and two secondary auxiliary wheels arranged on the secondary tensioning plate, and the secondary auxiliary wheels are arranged on the outside of the secondary tensioning wheel.

5. A winch with a wire rope over-release prevention mechanism according to claim 4, characterized in that: A row of mounting holes is provided on the upper edge of the transverse plate, and a locking groove is provided on the lower edge of the secondary tensioning plate. The secondary tensioning plate is fixedly mounted at a designated position of the transverse plate through the locking groove and the mounting holes.

6. A winch with a wire rope over-release prevention mechanism according to claim 1, characterized in that: The wire-retracting and -releasing drum mechanism also includes an adjusting component, which includes a moving unit arranged on the mounting bracket, a mounting plate arranged at the head end of the moving unit, an adjusting wheel arranged on the mounting plate, and an auxiliary adjusting wheel arranged on the mounting plate; the mounting plate moves back and forth in the horizontal direction under the action of the moving unit.

7. A winch with a wire rope over-release prevention mechanism according to claim 6, characterized in that: The adjustment assembly also includes a fixed plate arranged at the rear end of the mobile unit and a fixed adjustment wheel arranged on the fixed plate, and the fixed plate and the fixed adjustment wheel are at the same horizontal height.

8. A winch with a wire rope over-release prevention mechanism according to claim 7, characterized in that: The moving unit includes a transmission screw arranged on the mounting bracket, a guide rod arranged on the mounting bracket, and a driving motor arranged at the head end of the transmission screw; the mounting plate cooperates with the transmission screw, and the mounting plate moves along the transmission screw under the action of the motor and the transmission screw.

9. A winch with a wire rope over-release prevention mechanism according to claim 1, characterized in that: The wire take-up drum body cooperates with a limiting rod, and the limiting rod is also installed on the mounting bracket.

10. A winch with a wire rope over-release prevention mechanism according to claim 1, characterized in that: The base is equipped with a protective cover for protecting the motor; the bottom of the base is equipped with moving wheels that can facilitate the movement of the entire device.

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