CN217126515U - Electric quick rope coiling device - Google Patents

Abstract

The utility model discloses an electric quick rope coiling device, which comprises a power part, wherein the power part comprises a motor, a speed reducer and a mandrel which are connected in sequence; the device also comprises a position adjusting nut and a shifting fork; the lower end of the shifting fork is connected with the mandrel; the mandrel is provided with an external thread, the position adjusting nut is sleeved on the external thread of the mandrel in a threaded mode, and the position adjusting nut is used for adjusting the distance between the line roller and the shifting fork. The shifting fork is provided with a long slotted hole, a cylindrical pin is arranged in the long slotted hole of the shifting fork, and the axis of the cylindrical pin is parallel to the axis of the mandrel. The utility model discloses utilize motor, reduction gear and brake resistance to reach the straining force that rationally increases steel wire and cable, reduce manual operation time, increase mechanical operation time to shorten the wire winding time, eliminate the potential safety hazard, reduce operating personnel's intensity of labour, raise the efficiency.

Description

Electric quick rope coiling device

Technical Field

The utility model belongs to the technical field of the test equipment technique of oil-water well of oil development and specifically relates to an electronic quick serving device.

Background

In the well testing work of an oil field and the well logging work of a part of oil wells, steel wires or thin cables are required to be adopted for downhole construction, the steel wires and the cables which are withdrawn are required to be checked after each construction, and if problems exist, the steel wires and the cables must be replaced in time to ensure the construction safety. After the waste steel wire or cable is fallen down from the well testing winch, a new steel wire or cable is coiled on the winch drum, and the process is rope coiling. In the rope coiling process, the construction technical requirements of the steel wire and the cable are different. The wire rope of cable requires to arrange more closely, and whole wire rope process will have certain tension, and otherwise arrange not inseparably, gravity can cause the extrusion damage to the outer armour of cable, the life-span of direct influence cable.

The tight power is little among the wiring rope process, can cause the groove of jumping of steel wire, cable, and the wire jumper is unfavorable for the broken strength use of steel wire and cable. The existing rope coiling device mainly uses manpower, has the defects of long rope coiling time, high labor intensity and potential safety hazard, and can not meet the technical requirements of rope coiling.

Publication (bulletin) No.: CN205170044U, publication (public notice) day: 2016-04-20 relates to an electric rope winder. The problem that the whole roller lifts highly when the current device structure is complicated, dish move the steel wire is mainly solved. The method is characterized in that: buckles (16) with hinges are welded at the top ends of the left tripod and the right tripod, the upper end of the left tripod (17) is connected with a platform, a motor (6) is fixed on the platform, and an output gear (7) is sleeved on an output shaft of the motor; a roller main body (10) is arranged in a buckle at the top end of the tripod and provided with a hinge, a roller gear (8) and a roller bearing A (9) are sequentially connected to the left side of a central shaft of the roller main body from left to right, and the roller gear is meshed with an output gear (7); a roller bearing B (14) is arranged on the right side of the central shaft of the roller body; the drum accessory (11) is sleeved on the central shaft of the drum body at the left side of the drum bearing B. This electronic serving device, motor running speed can be adjusted during the use, and gear interlock easy operation returns the dish steel wire efficient.

Publication (bulletin) No.: CN203237867U, publication (public notice) day: 2013-10-16 discloses a wire rope coiler, including fixing first support (131) and second support (132) on base (12) respectively, the both ends of main shaft (9) rotate with first support (131) and second support (132) respectively and are connected, main shaft (9) outer still fixed two the same disc steel wire rope coils (81) of cup jointing, the one end of main shaft (9) is provided with motor (14) that are used for driving main shaft (9) rotation. The motor can drive the steel wire rope disc to rotate so as to automatically receive and release the oil fishing steel wire rope, so that the labor intensity of workers is reduced, and the production efficiency is improved.

Publication (bulletin) No.: CN107601159A publication (announcement) day: 2018-01-19 discloses a wire rope pay-off device, which comprises a support and a rotating shaft rotatably connected to the support, wherein a rope pay-off disc is installed on the rotating shaft, one end of the rotating shaft is in transmission connection with a brake shaft through a coupler, a brake device is installed on the brake shaft and comprises a brake wheel fixedly installed on the brake shaft, a brake belt matched with the brake wheel to realize braking and a driving device driving the brake belt to be separated from/attached to the brake wheel, a damping wheel is further installed on the brake shaft and can rotate relative to the brake shaft, and the end face of one end of the damping wheel is attached to the end face of the brake wheel. According to the invention, the damping wheel and the brake wheel are arranged, and the damping wheel is attached to the brake wheel, so that the rope can not be released faster and faster due to the inertia effect in the rope releasing process, the rope releasing speed can be effectively controlled, and the redundant steel wire ropes are prevented from being released, so that the steel wire ropes are prevented from being polluted by landing, and in addition, the rope releasing can be quickly stopped by matching the brake belt with the brake wheel.

Technical scheme and the technical problem that will solve and the beneficial effect who produces of above disclosure technique all with the utility model discloses inequality, perhaps technical field or application scenario are different, are directed to the utility model discloses more technical problem and the beneficial effect that will solve, above open technical document all do not have the technological inspiration.

SUMMERY OF THE UTILITY MODEL

The above-mentioned defect to prior art exists, the utility model aims at providing an electronic quick serving device utilizes motor, reduction gear and brake resistance to reach the straining force that rationally increases steel wire and cable, reduces manual operation time, increases mechanical operation time to shorten the serving time, eliminate the potential safety hazard, reduce operating personnel's intensity of labour, raise the efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric quick rope coiling device comprises a power part, wherein the power part comprises a motor, a speed reducer and a mandrel which are sequentially connected;

the device also comprises a position adjusting nut and a shifting fork;

the lower end of the shifting fork is connected with the mandrel; the mandrel is provided with an external thread, the position adjusting nut is sleeved on the external thread of the mandrel in a threaded mode, and the position adjusting nut is used for adjusting the distance between the line roller and the shifting fork.

Furthermore, the shifting fork is provided with a long slotted hole, a cylindrical pin is arranged in the long slotted hole of the shifting fork, and the axis of the cylindrical pin is parallel to the axis of the mandrel.

Further, the support comprises a support part, wherein the support part comprises a main support frame, an auxiliary support frame and a power support;

the motor and the speed reducer are fixed on the power support, the main support frame is supported at the end part of the mandrel and is provided with two symmetrical bearings or rollers which generate rolling friction with the mandrel;

the upper end of the auxiliary support frame drags the mandrel through an arc supporting plate.

Furthermore, the auxiliary support frame is a height telescopic adjustable support frame.

The brake part comprises a brake bracket, a brake handle, an arc rack, a brake shaft, a brake belt, a brake wheel and a backstop block;

the brake bracket is fixed on the power bracket;

the brake shaft is arranged on the brake support, one end of the brake belt bypasses the brake wheel and is fixed on the power support, the other end of the brake belt is fixed at the rear end of the brake shaft, and the brake wheel is arranged on an output shaft of the speed reducer;

the lower end of the brake handle is connected with the front end of the brake shaft, the arc-shaped rack is installed on the brake support, the brake handle is hinged with a force arm rod, the force arm rod is hinged with a lacing wire, the lower end of the lacing wire is hinged with a stopping block, and the stopping block is connected with the arc-shaped rack.

Furthermore, a return spring is arranged on the arm lever, and the lower end of the return spring is hooked on the middle position of the brake handle.

Furthermore, the main supporting frame and the power bracket are fixed on the fixing part.

Furthermore, the fixing part comprises a positioning plate, a positioning tube and a positioning rod;

the positioning tube is fixed on the positioning plate; the main supporting frame and the power bracket are fixed on the positioning plate;

the positioning rod passes through the positioning tube.

Further, the motor is electrically connected with the variable frequency control cabinet.

Compared with the prior art, the utility model following beneficial effect has:

the utility model provides an electronic quick serving device through set up adjusting nut at the spindle, realizes the line roller of different thickness on the one hand and can both be close to the shift fork, and on the other hand realizes fixing, the positioning action to the line roller.

The utility model provides an electronic quick serving device through set up slot and cylindric lock on the shift fork, realizes on the one hand that the cylindric lock can insert in the round hole of the different line roller of diameter, and on the other hand realizes driving line roller common rotation.

The utility model provides an electronic quick serving device through setting up two bearings on the main tributary strut, realizes the supporting role to the dabber on the one hand, and on the other hand realizes the co-rotation of bearing and dabber, reduces the frictional force of dabber.

The utility model provides an electronic quick wire rope coiling device through set up the stopping piece on the brake handle, pins the brake handle with the stopping piece after realizing the brake, need not operating personnel hold the brake handle always, alleviates operating personnel's intensity of labour.

The utility model provides an electronic quick wire rod device through setting up the locating plate, realizes fixing a position main tributary strut fast, saves operating time.

Drawings

Fig. 1 is a schematic view of a main-view angle axial-side structure of an electric fast rope winding device provided in an embodiment of the present invention.

Fig. 2 is a schematic view of a rear view angle axial-side structure of an electric fast rope winding device provided in an embodiment of the present invention.

Fig. 3 is a schematic view of a brake part shaft side structure of an electric fast rope coiling device provided in an embodiment of the present invention.

In the figure: 1. an electric motor; 2. a speed reducer; 3. a variable frequency control cabinet; 4. a mandrel; 5. a shifting fork; 6. a cylindrical pin; 7. a brake handle; 8. a circular arc rack; 9. a brake shaft; 10. a brake band; 11. a brake wheel; 12. a backstop block; 13. a return spring; 16. a force arm lever; 17. a power bracket; 19. a main supporting frame; 20. an auxiliary support frame; 26. adjusting the bolt; 27. a circular arc supporting plate;

stretching a rib; 141. stretching the left side; 142. stretching the right side;

a pin shaft; 151. a first pin shaft; 152. a second pin shaft; 153. a third pin shaft;

a brake bracket; 181. a first brake bracket; 182. a second brake bracket;

a bearing; 211. a left side bearing; 212. a right side bearing;

adjusting the nut; 221. a position adjusting nut; 222. a height adjustment nut;

positioning a plate; 231. a front positioning plate; 232. a rear positioning plate;

a positioning tube; 241. a main support front positioning tube; 242. a positioning pipe in front of the power bracket; 243. two positioning pipes in front of the power bracket; 244. a positioning pipe behind the power bracket; 245. two positioning pipes behind the power bracket; 246. a main support frame rear positioning pipe;

positioning a rod; 251. a front positioning rod; 252. and a rear positioning rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The electric quick rope coiling device is applied to the rope coiling process of a testing winch in the petroleum industry. Because the construction technical requirement of steel wire and cable is different, the serving of cable requires to arrange more closely, and whole serving process will have certain tension, otherwise arranges not closely, and gravity can cause the extrusion damage to the outer armour of cable, the life-span of direct influence cable. The tight power is little among the wiring rope process, can cause the groove of jumping of steel wire, cable, and the wire jumper is unfavorable for the broken strength use of steel wire and cable. The utility model provides an electronic quick rope coiling device, the rope coiling time is short, and intensity of labour is little, and the technological requirement of rope coiling can be satisfied to the advantage of no potential safety hazard.

As shown in fig. 1 to 3, an electric fast rope winding device comprises a power part, a brake part, a bracket part and a fixing part. The power part comprises a motor 1, a speed reducer 2, a variable frequency control cabinet 3 and a mandrel 4, a shifting fork 5 which is perpendicular to the mandrel 4 is further arranged on the mandrel 4 through a threaded mounting position adjusting nut 221, a movable cylindrical pin 6 is arranged in an elongated groove of the shifting fork 5, and the position adjusting nut 221 on the mandrel 4 is used for adjusting the distance between a line roller and the shifting fork 5. The brake part consists of brake brackets 181 and 182, a brake handle 7, an arc rack 8, a brake shaft 9, a brake band 10 and a brake wheel 11, and the brake wheel 11 is arranged on an output shaft of the speed reducer 2; the brake handle 7 is provided with a retaining block 12, a return spring 13, a lacing wire 14, a pin shaft 15 and a force arm lever 16. The bracket part consists of a driving end bracket and a driven end bracket, the driving end bracket consists of a power bracket 17 and brake brackets 181 and 182, and the power bracket 17 is provided with corresponding bolt holes for fixing; the brake brackets 181 and 182 are arranged on the power bracket 17; the driven end bracket consists of a main supporting frame 19 and an auxiliary supporting frame 20, wherein two bearings 211 and 212 are arranged on the main supporting frame 19, and an adjusting bolt 26 for adjusting the height, a height adjusting nut 222 and an arc supporting plate 27 are arranged on the auxiliary supporting frame 20. The fixing part is composed of positioning plates 231, 232, positioning pipes 241 to 246 and positioning rods 251 and 252, and the positioning plates 231, 232 and the positioning pipes 241 to 246 are provided with corresponding bolt holes and fixed by bolts. One end of the brake belt 10 is fixed on the power bracket 17, and the other end is fixed on the brake shaft 9.

The motor 1 can be directly installed at one end of the speed reducer 2, or fixed on the power bracket 17 through a bolt, and then connected with the speed reducer 2 through a coupling.

The brake wheel 11 is arranged on an output shaft of the speed reducer 2 and is connected with the output shaft through a single key or a spline.

The shifting fork 5 is vertically welded or fixed on the mandrel 4 by bolts, or is connected with the mandrel 4 in a flat key mode.

The mandrel 4 is connected with an output shaft of the speed reducer 2 in a single key or spline mode.

The auxiliary support 20 may be a screw-type rotary support or a jack-type support (including a mechanical jack and a hydraulic jack).

The bearings 211, 212 may be replaced by metal wheels.

The power bracket 17 and the main support frame 19 can be formed by welding 2-4 pipes, angle steel or I-shaped steel.

The angle between the two surfaces of the positioning plates 231 and 232 is 60-90 degrees, and the positioning plates are matched with the end faces of the feet of the main supporting frame 19 to play a role in quick positioning.

The number of the positioning pipes 242, 243, 244 and 245 on the power bracket is 2-4, and the length is 40-150 mm.

The brake brackets 181 and 182 can be welded or bolted with the power bracket 17, the brake handle 7 can be welded or flatly bonded with the brake shaft 9, and the second brake bracket 182 can be replaced by the first brake bracket 181.

Through the utility model provides an electronic quick wire winding device, line roller contact with the cylindric lock constantly at the wire winding in-process, utilize motor, reduction gear and brake resistance to reach the tensioning force that rationally increases steel wire and cable, reduce manual operation time, increase mechanical operation time to shorten the wire winding time, the wire winding technology is more normalized, and is standardized, and the security reduces operating personnel's intensity of labour, raises the efficiency.

Through the utility model provides an electronic quick wire rod device, the design that the shift fork reciprocated can be followed to the cylindric lock, is when considering the user to carry out the wire rod to the different linear roller in diameter, and the plug wire hole of side is different from the distance of dabber, and convenience of customers inserts the plug wire downthehole of linear roller side to the cylindric lock.

Through the utility model provides an electronic quick wire rod device, the distance between position adjusting nut of spindle and the shift fork can change through the rotation, makes it be fit for the line roller of thickness difference.

Example one

As shown in fig. 1 and 2, the rope winding device in this embodiment includes a main support frame and an auxiliary support frame, the main support frame is used for supporting the mandrel during the rope winding process, further supporting the weight of the wire roller, ensuring that the centerlines of the mandrel and the output shaft of the speed reducer are in a straight line during the rope winding process, and avoiding the occurrence of an accident that the two centerlines are dislocated or crossed, thereby causing the abrasion of the mandrel and the output shaft of the speed reducer.

Furthermore, two bearings are installed on a main support frame of the electric quick rope coiling device in the embodiment, so that the main support frame plays a role of supporting a mandrel in the rope coiling process, and rotates together with the mandrel, and the friction force between the mandrel and the bearings is reduced. Preferably, wheels may replace the bearings.

Further, the auxiliary support frame of the electric fast rope coiling device in the embodiment supports the mandrel when the wire roller is placed on the mandrel by a forklift. The main support frame is moved away, the center of gravity of the mandrel is deviated to the left, the mandrel forms a long cantilever beam, the output shaft of the speed reducer and the right end of the mandrel bear large bending force, and the output shaft of the speed reducer and the mandrel can be bent, deformed or broken. In order to avoid deformation or breakage of the output shaft and the mandrel of the reducer, the auxiliary support frame is installed after the main support frame is removed.

Further, the auxiliary support frame of the electric quick rope winding device in the embodiment comprises an adjusting bolt for adjusting the height, a height adjusting nut and an arc supporting plate. The arc supporting plate is welded at the top of the adjusting bolt, the adjusting bolt and the adjusting nut are matched with each other and installed on the upper portion of the auxiliary support, the mandrel is dragged by the arc supporting plate, the length of a cantilever of the mandrel is reduced, and the deformation of an output shaft of the speed reducer and the deformation of the mandrel are reduced.

Example two

As shown in fig. 1 and 2, the electric fast rope winding device in this embodiment includes a fixing portion, the fixing portion includes a positioning plate, a positioning tube and a positioning rod, and the positioning plate and the positioning tube have corresponding bolt holes and are fixed by bolts. The positioning plates are arranged at the front end and the rear end of the main supporting bracket. Preferably, the angle between the two surfaces of the positioning plate is 60-90 degrees, and the positioning plate is matched with the end face of the anchor of the main support frame, so that the quick positioning effect is achieved, the rope coiling time is reduced, and the working efficiency is improved.

Furthermore, locating plate, registration arm and locating lever that electronic quick wire rope coiling device in this embodiment included, after the position of power support and main tributary strut is fixed, the locating lever passed the registration arm, welds the upper surface at power support and main tributary strut respectively to six registration arms on the locating lever, and the locating lever can the non-resistance removal in the registration arm, fixes a position with the bolt. Preferably, the positioning tube is provided with bolt holes, and the positioning tube is fixed and positioned by bolts.

EXAMPLE III

As shown in fig. 3, the electric fast rope winding device in this embodiment includes a brake part, and the brake part includes a brake bracket, a brake handle, an arc rack, a brake shaft, a brake band, and a brake wheel. The brake bracket and the power bracket can be welded or connected through a bolt. Preferably, the brake bracket and the power bracket are welded together, and the brake bracket is simple in process, convenient to process, firm and reliable.

Further, the electric quick rope coiling device in the embodiment comprises a brake handle which is welded or connected with a brake shaft through a flat key. Preferably, the brake handle and the brake shaft are welded together, and the process is simple, convenient to process, firm and reliable.

Further, the right brake spider may be replaced by a left brake spider. Preferably, two brake supports are selected so that the brake shaft is stable, the brake band is not deflected, and the friction force experienced by the brake band is uniform.

Further, the brake handle of the electric fast rope coiling device in the embodiment comprises a stopping block, a return spring, a lacing wire, a pin shaft and a force arm rod. The brake handle and the force arm rod are connected through the pin shaft by the lacing wire. One end of a return spring is fixed on the brake handle, the other end of the return spring is fixed on the arm lever, and the return spring is always in a tensioned state. The inclined plane of the backstop block is in contact with the tooth surface of the arc rack, so that the brake handle is prevented from moving rightwards, and brake failure is prevented. When the brake is pulled or released, the surface of the retaining block is separated from the tooth surface of the circular arc rack.

Furthermore, the brake wheel of the electric quick rope coiling device in the embodiment is installed on the output shaft of the speed reducer, so that the installation is simple, and the braking torque is large.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

The using and operating steps of the electric quick rope coiling device are as follows:

the method comprises the following steps of (I) coiling old steel wires or cables:

1. and (4) installing an auxiliary support frame at a proper position, rotating a height adjusting nut, and adjusting a proper height.

2. And taking down the main support frame of the electric quick rope coiling device, dismounting the position adjusting nut on the mandrel, installing the overhead line roller, and aligning the wire plugging hole on the roller with the cylindrical pin on the shifting fork. And screwing up the position adjusting nut, installing the main support frame, and fixing the positioning pipe and the positioning rod by using bolts. And taking down the auxiliary support frame and placing the auxiliary support frame beside the power support.

3. And pulling out the waste steel wire or cable on the well testing winch from the vehicle, winding the waste steel wire or cable on the empty wire roller and fixing the waste steel wire or cable.

4. Turning on a main power supply; and opening the variable frequency control cabinet, supplying power, loosening the brake, slowly adjusting the current frequency, controlling the rotating speed and starting to coil the rope.

5. When the steel wire or cable allowance of about 20 meters remains, the current frequency is adjusted to be gradually reduced, and after the roller stops rotating, the brake is tightened to cut off the waste steel wire or cable.

6. Installing an auxiliary support frame; detaching the fixing bolt of the main support frame; the main support frame is disassembled; and (5) detaching the position adjusting nut on the mandrel. And taking down the line roller fully wound with the waste steel wire or the cable by using a forklift, and recycling the line roller.

7. A position fixing nut on the mandrel is installed; installing a main supporting frame; and a fixing bolt for mounting the main support frame.

8. And (5) turning off the power supply of the variable frequency control cabinet and turning off the main power supply.

9. And a tool is collected to clean the construction site.

(II) coiling new steel wires or cables:

1. and (4) installing an auxiliary support frame at a proper position, rotating a height adjusting nut, and adjusting a proper height.

2. And loosening the fixing bolt of the main support frame of the rope coiling device, taking down the main support frame, and disassembling the lower position adjusting nut.

3. And placing the whole new steel wire or cable on the mandrel by using a forklift.

4. And installing the main support frame, detaching and removing the auxiliary support frame, and rotating the position adjusting nut to fix the line roller.

5. And after the steel wire or the cable head is pulled out, the steel wire or the cable head is fixed on a well testing winch roller.

6. And starting the well testing winch, controlling the rotating speed of the roller and starting to coil the rope.

7. And (5) decelerating when the steel wire or cable with the residual length of about 20 meters is left, slowly winding the residual steel wire or cable on the roller, and braking in time.

8. Installing an auxiliary support frame; detaching the fixing bolt of the main support frame; the main support frame is disassembled, the position adjusting nut on the mandrel is disassembled, and the empty roller is taken down and put well.

9. A position fixing nut on the mandrel is installed; installing a main supporting frame; and a fixing bolt for mounting the main support frame.

10. And a tool is collected to clean the construction site.

All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. An electric quick rope coiling device comprises a power part, wherein the power part comprises a motor, a speed reducer and a mandrel which are sequentially connected;

it is characterized by also comprising a position adjusting nut and a shifting fork;

the lower end of the shifting fork is connected with the mandrel; the mandrel is provided with an external thread, the position adjusting nut is sleeved on the external thread of the mandrel in a threaded mode, and the position adjusting nut is used for adjusting the distance between the line roller and the shifting fork.

2. The electric quick rope coiling device as recited in claim 1, wherein the shifting fork is provided with an elongated slot, a cylindrical pin is arranged in the elongated slot of the shifting fork, and the axis of the cylindrical pin is parallel to the axis of the mandrel.

3. An electric fast rope coiling device as claimed in claim 1 or 2, which further comprises a bracket part, wherein the bracket part comprises a main supporting frame, an auxiliary supporting frame and a power bracket;

the motor and the speed reducer are fixed on the power support, the main support frame is supported at the end part of the mandrel and is provided with two symmetrical bearings or rollers which generate rolling friction with the mandrel;

the upper end of the auxiliary support frame drags the mandrel through an arc supporting plate.

4. The electric fast rope coiling device as recited in claim 3, wherein said auxiliary support frame is a height adjustable support frame.

5. The electric quick rope coiling device according to claim 3, further comprising a brake part, wherein the brake part comprises a brake bracket, a brake handle, an arc rack, a brake shaft, a brake band, a brake wheel and a retaining block;

the motor and the speed reducer are fixed on the power bracket, and the brake bracket is fixed on the power bracket;

the brake shaft is arranged on the brake support, one end of the brake belt bypasses the brake wheel and is fixed on the power support, the other end of the brake belt is fixed at the rear end of the brake shaft, and the brake wheel is arranged on an output shaft of the speed reducer;

the lower end of the brake handle is connected with the front end of the brake shaft, the arc-shaped rack is installed on the brake support, the brake handle is hinged with a force arm rod, the force arm rod is hinged with a lacing wire, the lower end of the lacing wire is hinged with a stopping block, and the stopping block is connected with the arc-shaped rack.

6. The electric fast rope coiling device as claimed in claim 5, wherein the arm lever is provided with a return spring, and the lower end of the return spring is hooked on the middle position of the brake handle.

7. The electric fast rope coiling device as recited in claim 5, further comprising a fixing part, wherein the main support frame and the power support frame are fixed on the fixing part.

8. The electric fast rope coiling device as recited in claim 7, wherein the fixing part comprises a positioning plate, a positioning tube and a positioning rod;

the positioning tube is fixed on the positioning plate; the main supporting frame and the power bracket are fixed on the positioning plate;

the positioning rod passes through the positioning tube.

9. An electric fast rope coiling device as defined in claim 1, 2 or 7, wherein said electric motor is electrically connected with a frequency conversion control cabinet.

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