CN216889426U - Double-roller type winching machine - Google Patents

Abstract

The utility model discloses a double-roller type winching machine, aiming at solving the technical problem that the winching working efficiency is reduced due to the reduction of the friction force between a roller wheel and a cable under the long-time continuous working state of the existing double-roller winching equipment; the device comprises a base, a driving mechanism arranged on the base and a winding roller set in transmission connection with an output shaft of the driving mechanism, wherein the winding roller set comprises a first roller and a second roller which are arranged in parallel correspondingly; the diameters of the first roller wheel and the second roller wheel are different, so that when the first roller wheel and the second roller wheel rotate at the same angular speed, the cable wound on the first roller wheel and the second roller wheel generates tension; on the premise that the angular velocities of the two rollers are the same, the utility model realizes that the linear velocity values of the cables drawn by the rollers are different, increases the friction force between the cables and the rollers, and further enhances the working stability of the double-roller type winching machine.

Description

Double-roller type winching machine

Technical Field

The utility model relates to the technical field of traction equipment, in particular to a double-roller type winching machine.

Background

The winching machine is a motor-driven winching machine for short, and is widely used for construction stringing assembly tower poles and towers or motor-driven paying-off of electric power, communication and municipal engineering; the motorized winching machine consists of a roller wheel, a gearbox, a diesel engine or a gasoline engine and a base frame, and the motorized winching machine has the working principle that: the grinding groove is used for the traction groove that directly connects with wire rope to gasoline engine or diesel engine, motor are as power, reach the rotational speed of requirement through gearbox and the local infinitely variable speed of motor, and the complete machine is located on the steel construction, and it is firm and convenient to remove, and current grinding machine has single-roller formula and double-roller formula, because the security and the stability of double-roller formula grinding machine are higher than single-roller formula grinding machine, and the double-roller formula grinding machine will be used in many times during the construction of the large-scale circuit of national grid requirement.

Most of roller wheels of the existing double-roller type winching machine are roller wheels with the same shape, structure and size, the two roller wheels are arranged in parallel, and under the state of long-time continuous work, the friction force between a cable and the roller wheels can be reduced, so that the phenomenon of cable slip is caused, and the working efficiency of the winching machine is influenced; in addition, gasoline or diesel engines are mostly used as power sources of the double-roller winching machine in the current market, and a gearbox needs to be operated manually and repeatedly, so that the switching between high and low cable releasing or cable retracting speed is realized, the labor cost is increased, and the working efficiency of the winching machine is reduced.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

Disclosure of Invention

The utility model aims to provide a double-roller type winching machine, and aims to solve the technical problem that the winching working efficiency is reduced due to the fact that the friction force between a roller wheel and a cable is reduced when the existing double-roller winching equipment works continuously for a long time.

In order to solve the technical problems, the utility model adopts the following technical scheme:

designing a double-roller type winching machine, which comprises a base, a driving mechanism arranged on the base and a wire winding roller set in transmission connection with an output shaft of the driving mechanism, wherein the wire winding roller set comprises a first roller and a second roller which are arranged in parallel correspondingly; the diameters of the first roller wheel and the second roller wheel are different, so that when the first roller wheel and the second roller wheel rotate at the same angular speed, the cable wound on the first roller wheel and the second roller wheel generates tension.

Preferably, the diameter ratio of the first roller to the second roller is 1.1-1.3: 1, can reach better tensioning degree to increase the frictional force between cable and running roller, with better play prevent skidding, prevent the effect of idle running.

Preferably, the double-roller type winching machine further comprises a speed reducing mechanism, wherein the speed reducing mechanism comprises a speed reducer in transmission connection with the driving mechanism and a multi-stage speed change synchronous box in transmission connection with the speed reducer; the multi-stage speed change synchronous box comprises a shell, a rotating shaft rotationally connected to the shell, and a gear and a bearing matched with the rotating shaft.

Preferably, the rotating shaft comprises a driving rotating shaft and a driven rotating shaft; the driving rotating shaft is coaxially and rotatably connected with a short half shaft and a long half shaft through a bearing, and the short half shaft is provided with a flat key groove which is in matched transmission with an output shaft of the speed reducer; the driven rotating shaft comprises a left shaft and a right shaft which are symmetrically arranged at two sides of the axis direction of the long half shaft.

Preferably, the gears comprise an input gear fixed on the short half shaft, a balance gear and a first linkage double gear which are respectively and correspondingly connected to the left shaft and the right shaft in a rotating mode and meshed with the input gear, a second linkage double gear which is fixedly connected to the long half shaft and meshed with the first linkage double gear, and a first transmission gear and a second transmission gear which are respectively fixed to the left shaft and the right shaft and meshed with the second linkage double gear.

Preferably, the first transmission gear and the second transmission gear are identical in structure, so that the left shaft and the right shaft synchronously rotate at the same rotating speed.

Preferably, the left shaft and the right shaft are respectively and correspondingly provided with a flat key, the first roller and the second roller are respectively and correspondingly provided with a flat key groove, and the flat keys are matched with the flat key grooves, so that the first roller and the second roller can respectively and correspondingly follow the left shaft and the right shaft to rotate.

Preferably, the end parts of the left shaft and the right shaft are provided with limiting plates, the limiting plates are correspondingly provided with hinge holes which are rotatably connected with the left shaft and the right shaft, and bearings are sleeved in the hinge holes.

Preferably, the double-roller type winching machine further comprises a support frame arranged on the base, and the support frame is detachably and fixedly connected with the limiting plate.

Preferably, the driving mechanism is a forward and reverse rotating motor.

Compared with the prior art, the utility model has the main beneficial technical effects that:

1. on the premise that the angular velocities of the two rollers are the same, the utility model realizes that the linear velocity values of the cables pulled on the rollers are different, so that the cables between the two rollers can generate tensile force to be more firmly wound on the rollers, and the firmness stability and the working efficiency of the double-roller type winching machine are further enhanced.

2. The utility model further selects the motor as a driving source, and compared with the traditional gasoline or diesel driving source, the utility model embodies the production concept of environmental protection and green on one hand; on the other hand, the automation degree of the device is further improved through the matching of the motor and the frequency converter or the servo driver.

3. The integral supporting seat provided by the utility model reduces the construction procedures and saves the working time on the premise of meeting the requirement of rigid support.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of the internal structure of the multi-speed transmission synchronizing box of the present invention.

FIG. 3 is a schematic cross-sectional view of the multi-speed transmission timing box of the present invention.

In the above drawings, 1 is a base, 2 is a driving motor, 3 is a speed reducer, 4 is a multi-speed transmission synchronous box, 41 is a housing, 42 is a half shaft, 43 is a half shaft, 44 is a left shaft, 45 is a right shaft, 47 is an input gear, 48 is a balance gear, 49 is a first linkage double gear, 5 is a limit plate, 6 is a support seat, 7 is a first roller, 8 is a second roller, 9 is a second linkage double gear, 10 is a first transmission gear, and 11 is a second transmission gear.

Detailed Description

The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.

In the description of the present invention, it is to be understood that the orientations or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing technical solutions and simplifying the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting the present invention; reference herein to "first," "second," etc., is used to distinguish between similar items and not to limit the particular order or sequence.

Example 1: a double-roller type winching machine is shown in figure 1 and comprises a base 1, a driving mechanism fixed on the base 1, a speed reducing mechanism in power connection with the driving mechanism, a winding roller fixedly connected to an output shaft of the speed reducing mechanism and other parts.

The driving mechanism is used for providing a power source for the rotation of the winding roller; the energy-saving environment-friendly gasoline engine comprises a forward and reverse rotation driving motor 2, and compared with the traditional diesel or gasoline power source mode, the forward and reverse rotation driving motor 2 is used, so that the energy-saving environment-friendly gasoline engine is suitable for the modern environment concept of energy conservation, environmental protection and carbon emission reduction on one hand from the environmental protection perspective; on the other hand, the forward and reverse rotation driving motor 2 has better automatic program control, compared with gasoline or diesel oil used as a power source on the market, special personnel are required to be equipped to operate a gearbox clutch to adjust gears and change speed, so that the requirements of high speed and low speed switching of cable laying or cable collection are met, when the labor cost is increased day by day, particularly in a large construction site, if each grinder device is equipped with special operators, serious resource waste and production cost increase are actually caused, therefore, the forward and reverse rotation driving motor 2 is selected as the power source, and then the speed change adjustment is realized by being equipped with a corresponding frequency converter or a corresponding servo driver (the prior art is characterized and not repeated by too many theories), so that the labor cost is greatly saved.

The speed reducing mechanism comprises a speed reducer 3 in transmission fit connection with an output shaft of the forward and reverse rotation driving motor 2 and a multi-stage speed change synchronous box in transmission fit connection with an output end of the speed reducer 3; referring to fig. 2 to 3, the multistage synchronous gearbox 4 includes a housing 41 fixed on the base 1 by bolts, a rotating shaft connected to the housing 41 by a bearing in a matching manner, and a gear and a bearing connected to and matched with the rotating shaft; three mounting holes are formed in the side face of the shell 41, which is correspondingly connected with the speed reducer, the rotating shaft is correspondingly and rotatably connected into the three mounting holes through the matching of a bearing and an end cover, the rotating shaft respectively comprises a driving rotating shaft arranged in the middle mounting hole and driven rotating shafts arranged in the mounting holes at two sides and two sides correspondingly, the driving rotating shaft comprises a short half shaft 42 connected with the output shaft end of the speed reducer 3 in a matched manner and a long half shaft 43 coaxially connected with the short half shaft 42 in a matched manner through a bearing; the diameter of the long half shaft 43 is smaller than that of the short half shaft 42, so that the short half shaft 42 is connected to an outer circular ring of the bearing, and the long half shaft 43 is connected to an inner circular ring of the bearing and becomes concentric shafts which can rotate independently; a flat key groove is formed in the stub axle 42, a flat key matched with the flat key groove is formed in the output shaft end of the speed reducer 3, and the stub axle 42 is driven to rotate by the fixed connection of the flat key groove and the flat key and serves as power input of the multi-stage transmission synchronous box; the driven shaft includes a left shaft 44 and a right shaft 45 which are symmetrically disposed on both sides with the axial direction of the stub axle 42 and the stub axle 43 as the center line.

The gears include an input gear 47, a balance gear 48, a first double linkage gear 49, a second double linkage gear 9, a first transmission gear 10 and a second transmission gear 11; the input gear 47 is fixed on the short half shaft 42, and the short half shaft 42 is driven to rotate through the speed reducer 3, so that the input gear 47 fixed on the short half shaft 42 is further driven to rotate; the balance gear 48 and the first linkage double gear 49 are respectively and rotationally connected to the left shaft 44 and the right shaft 45 through corresponding bearings, and lower gears of the balance gear 48 and the first linkage double gear 49 are meshed with the input gear 47; the second double linkage gear 9 is fixedly connected to the long half shaft 43, and the lower gear of the second double linkage gear 9 is meshed with the upper gear of the first double linkage gear 49; the first transmission gear 10 and the second transmission gear 11 are respectively and correspondingly fixedly connected to the left shaft 44 and the right shaft 45, splines which are fixedly connected and matched with the first transmission gear 10 and the second transmission gear 11 are arranged on the left shaft 44 and the right shaft 45, the upper gear of the second double-gear 9 is respectively in double meshing with the first transmission gear 10 and the second transmission gear 11, and the first transmission gear 10 and the second transmission gear 11 are identical in structure and size, so that the left shaft 44 and the right shaft 45 are driven by the second double-gear 9 to rotate at the same angular speed.

Limiting plates 5 are arranged at the end parts of the left shaft 44 and the right shaft 45 to prevent the wire coiling roller from sliding out of the left shaft 44 or/and the right shaft 45; the limiting plate 5 is provided with hinge holes corresponding to the left shaft 44 and the right shaft 45 and matched with the left shaft and the right shaft respectively, and bearings matched with the left shaft 44 and the right shaft 45 respectively penetrate through the hinge holes so that the left shaft 44 and the right shaft 45 respectively rotate corresponding to the hinge holes. The center of the limiting plate 5 is also fixedly provided with an installation shaft, the installation shaft is correspondingly arranged on the base 1 and is used for supporting a supporting seat 6 of the limiting plate 5, the supporting seat 6 comprises a left swing arm and a right swing arm, the bottoms of the left swing arm and the right swing arm are movably hinged on the base 1, and the corresponding sides of the tops of the left swing arm and the right swing arm are provided with semicircular closed grooves to be clamped on the installation shaft, so that the supporting effect on the limiting plate 5 is realized, and the deformation of a left shaft 44 and a right shaft 45 caused by overlarge pressure borne by a winding roller is avoided; the top ends of the two swing arms are also provided with buckles so as to close and limit the tops of the two swing arms; compare in a traditional pivot and correspond a supporting seat 6, original function can be realized to a limiting plate 5 of this device, has still reduced the time of dismantling limiting plate 5 when winding in addition, has reduced the work of being under construction, has promoted work efficiency.

The spiral running roller includes first running roller 7 and second running roller 8, and two running roller diameter variation in size are parallel to each other and correspond to be connected on left axle 44 and right axle 45 to the same angular velocity rotates, when carrying out the cable and pull, the angular velocity of cable on first running roller 7 and second running roller 8 is the same, nevertheless because the diameter proportion scope of first running roller 7 and second running roller 8 is at 1.1 ~ 1.3: 1, the linear velocity calculation formula shows that the linear velocities of the cables on the first roller 7 and the second roller 8 are different, and the linear velocity difference exists, so that the cables connected to the two rollers can generate tension, the cables can be firmly curled on the wire coiling roller, and the traction capacity of the double-roller type winching machine is further improved; the first roller 7 and the second roller 8 are further provided with flat key grooves, and the left shaft 44 and the right shaft 45 are also provided with flat keys matched with the flat key grooves, so that the first roller 7 and the second roller 8 are driven by the left shaft 44 and the right shaft 45 to rotate at the same angular speed respectively.

The operation and use method of the double-roller type winching machine is as follows: the buckle on the supporting seat 6 is opened, the left swing arm and the right swing arm are put down, the cable is wound in the grooves on the first roller wheel 7 and the second roller wheel 8 in an orderly spiral mode, the swing arms and the buckle are closed, the forward and reverse driving motor 2 drives the speed reducer 3 and the multistage speed change synchronous box to work, gears in the speed reducer 3 and the multistage speed change synchronous box are matched with each other, power is output to the left shaft 44 and the right shaft 45, the first roller wheel 7 and the second roller wheel 8 fixed on the left shaft 44 and the right shaft 45 are further driven to rotate, the angular speed of the first roller wheel 7 is the same as that of the second roller wheel 8, the linear speed is different, the cable between the first roller wheel 7 and the second roller wheel 8 generates tensile force, the friction force between the cable and the winding roller wheel is further increased, and the purpose of safely pulling the cable is achieved.

While the present invention has been described with reference to the drawings and the embodiments, it will be understood by those skilled in the art that various changes in the embodiments and specific details may be made therein without departing from the spirit and scope of the utility model, and it is intended that all matter contained in the above description or shown in the accompanying drawings and claims be interpreted as illustrative and not in a limiting sense.

Claims (10)

1. A double-roller type winching machine comprises a base, a driving mechanism arranged on the base and a wire winding roller set in transmission connection with an output shaft of the driving mechanism, wherein the wire winding roller set comprises a first roller and a second roller which are arranged in parallel correspondingly; the cable tension device is characterized in that the diameters of the first roller wheel and the second roller wheel are different, so that when the first roller wheel and the second roller wheel rotate at the same angular speed, the cable wound on the first roller wheel and the second roller wheel generates tension.

2. The twin-roll grinder as set forth in claim 1, wherein the ratio of the diameter of the first roller to the diameter of the second roller is 1.1 to 1.3: 1.

3. the twin-roll grinder of claim 1, further comprising a reduction mechanism including a reducer drivingly connected to the drive mechanism and a multi-speed gearbox drivingly connected to the reducer; the multi-stage speed change synchronous box comprises a shell, a rotating shaft rotationally connected to the shell, and a gear and a bearing matched with the rotating shaft.

4. A twin-roll grinder as set forth in claim 3 wherein the spindles include a driving spindle and a driven spindle; the driving rotating shaft is coaxially and rotatably connected with a short half shaft and a long half shaft through a bearing, and the short half shaft is provided with a flat key groove which is in matched transmission with an output shaft of the speed reducer; the driven rotating shaft comprises a left shaft and a right shaft which are symmetrically arranged at two sides of the axis direction of the long half shaft.

5. A twin-roll grinder as set forth in claim 4, wherein the gears comprise an input gear fixed to the stub axle, a balance gear and a first linkage double gear meshed with the input gear and respectively rotatably connected to the left and right axles, a second linkage double gear meshed with the first linkage double gear and fixedly connected to the stub axle, and a first transmission gear and a second transmission gear meshed with the second linkage double gear and respectively fixed to the left and right axles.

6. A twin-roll grinder as claimed in claim 5, characterised in that the first and second drive gears are of the same construction so that the left and right shafts rotate synchronously at the same angular velocity.

7. The dual-roller grinder of claim 6, wherein the left shaft and the right shaft are respectively provided with a flat key, the first roller and the second roller are respectively provided with a flat key groove, and the flat keys are matched with the flat key grooves, so that the first roller and the second roller respectively follow the left shaft and the right shaft to rotate.

8. The double-roller type winching machine as claimed in claim 4, wherein the end portions of the left shaft and the right shaft are provided with limiting plates, the limiting plates are correspondingly provided with hinge holes which are rotatably connected with the left shaft and the right shaft, and bearings are sleeved in the hinge holes.

9. The double-roller type grinder as claimed in claim 8, further comprising a support frame disposed on the base, wherein the support frame is detachably and fixedly connected to the limiting plate.

10. A twin-roll grinder as set forth in claim 1 wherein the drive mechanism includes a counter-rotating motor.

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