CN211712357U - Electric automobile fills electric pile's automatic pay-off and take-up device - Google Patents

Electric automobile fills electric pile's automatic pay-off and take-up device Download PDF

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Publication number
CN211712357U
CN211712357U CN201921885747.4U CN201921885747U CN211712357U CN 211712357 U CN211712357 U CN 211712357U CN 201921885747 U CN201921885747 U CN 201921885747U CN 211712357 U CN211712357 U CN 211712357U
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half roller
guide rod
cable
upper half
connecting frame
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CN201921885747.4U
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Chinese (zh)
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王宇琛
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Abstract

The utility model discloses an electric automobile fills electric pile's automatic pay-off reel contains box, first roller, second roller, first to fourth guide bar support, lead screw, first to second lead screw support, first to third link, first to second linear bearing, screw nut, first motor, action wheel, follower, second motor and a plurality of limited support. The first motor drives the ball screw to rotate to form the opening and closing action of the upper half roller body and the lower half roller body, and the opening and closing of the upper half roller body and the lower half roller body complete the whole wire winding and unwinding process. This design can provide convenient laborsaving cable take-up and pay-off mechanism, accomplishes the automatic take-up and pay-off demand that fills electric pile. The whole process of operation is intelligent, labor-saving and safe, the large-diameter direct-current cable winding and unwinding line is changed into the opening and closing movement of two half rollers, the whole structure is simple in design and convenient to operate, and the potential safety hazard that the electric automobile charging pile cable is exposed at will, rolled easily and stained is solved.

Description

Electric automobile fills electric pile's automatic pay-off and take-up device
Technical Field
The utility model relates to an electrical equipment technical field especially relates to an electric automobile fills automatic pay-off and take-up device of electric pile.
Background
New energy automobile on the market at present fills electric pile connecting cable, and the user oneself is required to carry out troublesome manpower in the charging process mostly and receives and releases the line. However, the user often can not receive and release the loaded down with trivial details cable according to the standard after charging, and places the charging cable beside the charging pile at will. Especially for the direct current fill electric pile fast, its cable is thick and bulky, and is inflexible, and it is more difficult that manual work accomplishes receiving and releasing of cable. The charging cable is placed randomly, so that the charging cable is exposed to the natural environment for a long time, the aging and the abrasion of the charging cable are accelerated, and the charging cable is easy to be broken by various unexpected external forces, such as treading by personnel, rolling by automobiles and the like. Since the cable voltage is a high-voltage charge, once the leakage behavior caused by the wear of the cable sheath is not obvious. At present, the winding and unwinding device for the alternating-current charging pile is occasionally seen in the market, and due to the fact that the alternating-current charging pile is thin in cable, required bending force is small, winding and unwinding are easy, the bending radius of the alternating-current charging cable is small, and the winding and unwinding device is easy to realize in structural design and compact in structure. However, for the direct current quick charging cable, the diameter of the cable reaches 30mm-40mm, the bending radius is usually about 200mm, the cable is heavy and difficult to take up and pay off, so a take-up and pay-off device for the direct current charging pile is not available in the market.
In the existing literature data, a plurality of similar patents aiming at charging pile take-up and pay-off lines are found, and some similar patents have no power, some similar patents have cable layers which are overlapped and wound, and the like, so that the similar patents are not suitable for large-diameter direct current charging cables. In the other take-up and pay-off line, the charging gun rotates around the axis of the cable, and a charger is difficult to hold the charging gun. Some structural designs can not realize compactness, and take-up and pay-off device's appearance volume can be far more than even filling electric pile.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that fill electric pile to current direct current can not receive line and unwrapping wire, cable put, the inconvenient problem of charging with the ground to thicker cable, provided a fill automatic winding and unwinding device of electric pile.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
an automatic take-up and pay-off device for an electric automobile charging pile comprises a box body, an upper half roller, a lower half roller, a first guide rod, a second guide rod, a first guide rod support, a second guide rod support, a third guide rod support, a lead screw, a first lead screw support, a second lead screw support, a third connection frame, a first linear bearing, a second linear bearing, a lead screw nut, a first motor, a driving wheel, a driven wheel, a second motor and a plurality of limiting supports;
the upper half roller and the lower half roller are both semi-cylinders and respectively comprise two side surfaces, an end surface and an arc surface, and the end surfaces of the upper half roller and the lower half roller form a complete cylinder when being overlapped;
the first guide rod and the second guide rod are arranged in parallel, two ends of the first guide rod are fixedly connected with the inner wall of the box body through a first guide rod support and a second guide rod support respectively, and two ends of the second guide rod are fixedly connected with the inner wall of the box body through a third guide rod support and a fourth guide rod support respectively;
the first connecting frame and the second connecting frame are respectively arranged on two side surfaces of the upper half roller, and the first connecting frame and the second connecting frame are respectively provided with through holes for mounting a first linear bearing and a second linear bearing; the first linear bearing and the second linear bearing are respectively arranged in the through holes of the first connecting frame and the second connecting frame; the first guide rod and the second guide rod are respectively connected with the first connecting frame and the second connecting frame through a first linear bearing and a second linear bearing, so that the upper half roller can freely slide up and down along the first guide rod and the second guide rod;
the third connecting frame is arranged on one side surface of the upper half roller, and is provided with a through hole for mounting a screw nut; the screw rod nut is arranged in a through hole in the third connecting frame;
the first lead screw support and the second lead screw support are fixed on the inner wall of the box body; the screw rod is in threaded connection with the screw rod nut, two ends of the screw rod are respectively connected with the first screw rod support and the second screw rod support through bearings, and the screw rod and the first guide rod are arranged in parallel;
the lower half roller is fixed in the box body, and the end surface of the lower half roller is opposite to the end surface of the upper half roller;
the first motor is fixed on the inner wall of the box body, an output shaft of the first motor is coaxially and fixedly connected with one end of the lead screw and is used for driving the lead screw to rotate so as to enable the end face of the upper half roller to be close to or far away from the end face of the lower half roller;
the limiting brackets are uniformly arranged on the cambered surfaces of the upper half roller and the lower half roller, and each limiting bracket is used for a cable to pass through, so that the limiting brackets form a spiral positioning channel for the cable to pass through, and the cable is wound on the cambered surfaces of the upper half roller and the lower half roller according to the track of the positioning channel;
an inlet for a cable to extend into and an outlet for the cable to extend out are formed in the box body;
the driving wheel and the driven wheel are correspondingly arranged at the outlet of the box body, and wheel surfaces of the driving wheel and the driven wheel are pressed on the outer circular surface of the cable and used for guiding the cable; the second motor is fixed on the inner wall of the box body, and an output shaft of the second motor is coaxially and fixedly connected with a rotating shaft of the driving wheel and used for driving the driving wheel to rotate and providing auxiliary power for the cable to pass in and out.
As a further optimization scheme of the automatic take-up and pay-off device for the electric vehicle charging pile of the utility model, the limiting bracket comprises a base, first to fourth rolling shafts and first to fourth rolling sleeves;
the lower end face of the base is fixedly connected with the cambered surface of the upper half roller or the lower half roller, and the upper end face of the base is provided with two bosses;
two ends of the first rolling shaft are fixedly connected with the side walls of the two bosses respectively, one end of the second rolling shaft and one end of the third rolling shaft are fixedly connected with the upper end surfaces of the two bosses respectively, and two ends of the fourth rolling shaft are fixedly connected with the other end of the second rolling shaft and the other end of the third rolling shaft respectively;
the first to fourth rollers are respectively and correspondingly arranged on the first to fourth rollers and can freely rotate.
As a further optimization scheme of the automatic take-up and pay-off device of the electric automobile charging pile, the limiting bracket comprises a base, a fixing plate and a third linear bearing;
the fixed plate is vertically and fixedly connected with the base, and a mounting hole for mounting the third linear bearing is formed in the fixed plate;
the linear bearing is arranged in the through hole of the fixing plate;
and the lower end surface of the base is fixedly connected with the cambered surface of the upper half roller or the lower half roller.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses be suitable for major diameter cable, compact structure, cable individual layer wire winding, the cable receive and releases the motion and adopts the pure rolling friction mode, and it is controllable to receive and release the cable motion.
Drawings
FIG. 1 is a schematic diagram of the overall structure;
FIG. 2 is a schematic structural view of the upper half roller in a hollow arrangement;
FIG. 3 is a schematic structural view of a limited support in a frame type;
FIG. 4 is a schematic view of the assembly of the restraint frame in the frame configuration;
FIG. 5 is a schematic diagram of a cable wrap configuration defining a cradle configured as a frame;
FIG. 6 is a schematic view of a structure of limiting a bracket to adopt a bearing type
FIG. 7 is a schematic view of an assembly defining a bearing type of support;
FIG. 8 is a schematic view of a cable wrap configuration defining a bearing style of the bracket;
FIG. 9 is a schematic structural view of the upper and lower half rolls arranged up and down;
fig. 10 is a schematic structural view of the upper and lower half rolls arranged horizontally.
In the figure, 1-a box body, 2-a lower half roller, 3-a first guide rod, 4-a ball screw, 5-a screw nut, 6-a third connecting frame, 7-a screw support, 8-a guide rod support, 9-a first motor, 10-a limiting support, 11-an upper half roller, 12-a cable, 13-a driving wheel, 14-a driven wheel, 15-a roller sleeve, 16-a rolling shaft, 17-a base, 18-a third linear bearing, 19-a fixing plate, A-a cable is led out from the leading-out end of the box body, and B-a cable is led into the leading-in end of the box body.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.
As shown in fig. 1, the utility model discloses an automatic take-up and pay-off device for an electric vehicle charging pile, which comprises a box body, an upper roller, a lower roller, a first guide rod, a second guide rod, a first guide rod support, a second guide rod support, a third guide rod support, a first linear bearing, a second linear bearing, a guide rod nut, a first motor, a driving wheel, a driven wheel, a second motor and a plurality of limiting supports;
the upper half roller and the lower half roller are both semi-cylinders and respectively comprise two side surfaces, an end surface and an arc surface, and the end surfaces of the upper half roller and the lower half roller form a complete cylinder when being overlapped;
the first guide rod and the second guide rod are arranged in parallel, two ends of the first guide rod are fixedly connected with the inner wall of the box body through a first guide rod support and a second guide rod support respectively, and two ends of the second guide rod are fixedly connected with the inner wall of the box body through a third guide rod support and a fourth guide rod support respectively;
the first connecting frame and the second connecting frame are respectively arranged on two side surfaces of the upper half roller, and the first connecting frame and the second connecting frame are respectively provided with through holes for mounting a first linear bearing and a second linear bearing; the first linear bearing and the second linear bearing are respectively arranged in the through holes of the first connecting frame and the second connecting frame; the first guide rod and the second guide rod are respectively connected with the first connecting frame and the second connecting frame through a first linear bearing and a second linear bearing, so that the upper half roller can freely slide up and down along the first guide rod and the second guide rod;
the third connecting frame is arranged on one side surface of the upper half roller, and is provided with a through hole for mounting a screw nut; the screw rod nut is arranged in a through hole in the third connecting frame;
the first lead screw support and the second lead screw support are fixed on the inner wall of the box body; the screw rod is in threaded connection with the screw rod nut, two ends of the screw rod are respectively connected with the first screw rod support and the second screw rod support through bearings, and the screw rod and the first guide rod are arranged in parallel;
the lower half roller is fixed in the box body, and the end surface of the lower half roller is opposite to the end surface of the upper half roller;
the first motor is fixed on the inner wall of the box body, an output shaft of the first motor is coaxially and fixedly connected with one end of the lead screw and is used for driving the lead screw to rotate so as to enable the end face of the upper half roller to be close to or far away from the end face of the lower half roller;
the limiting brackets are uniformly arranged on the cambered surfaces of the upper half roller and the lower half roller, and each limiting bracket is used for a cable to pass through, so that the limiting brackets form a spiral positioning channel for the cable to pass through, and the cable is wound on the cambered surfaces of the upper half roller and the lower half roller according to the track of the positioning channel;
an inlet for a cable to extend into and an outlet for the cable to extend out are formed in the box body;
the driving wheel and the driven wheel are correspondingly arranged at the outlet of the box body, and wheel surfaces of the driving wheel and the driven wheel are pressed on the outer circular surface of the cable and used for guiding the cable; the second motor is fixed on the inner wall of the box body, and an output shaft of the second motor is coaxially and fixedly connected with a rotating shaft of the driving wheel and used for driving the driving wheel to rotate and providing auxiliary power for the cable to pass in and out.
The upper half roller and the lower half roller can adopt hollow structures, so that the whole body is lighter and lighter, and is shown in figure 2.
As shown in fig. 3, the limiting bracket may be designed in a frame type, and includes a base, first to fourth rollers, and first to fourth rollers;
the lower end face of the base is fixedly connected with the cambered surface of the upper half roller or the lower half roller, and the upper end face of the base is provided with two bosses;
two ends of the first rolling shaft are fixedly connected with the side walls of the two bosses respectively, one end of the second rolling shaft and one end of the third rolling shaft are fixedly connected with the upper end surfaces of the two bosses respectively, and two ends of the fourth rolling shaft are fixedly connected with the other end of the second rolling shaft and the other end of the third rolling shaft respectively;
the first to fourth rollers are respectively and correspondingly arranged on the first to fourth rollers and can freely rotate.
FIG. 4 is a schematic view of the assembly of the restraint frame in the frame configuration; fig. 5 is a schematic diagram of a structure for limiting cable winding when the support is in a frame type.
As shown in fig. 6, the limiting bracket may also be designed as a bearing type, and includes a base, a fixing plate and a third linear bearing;
the fixed plate is vertically and fixedly connected with the base, and a mounting hole for mounting the third linear bearing is formed in the fixed plate;
the linear bearing is arranged in the through hole of the fixing plate;
and the lower end surface of the base is fixedly connected with the cambered surface of the upper half roller or the lower half roller.
FIG. 7 is a schematic view of an assembly defining a bearing type of support; fig. 8 is a schematic structural view of a cable winding when the limiting bracket adopts a bearing type.
The upper half roller and the lower half roller can be arranged up and down as shown in fig. 9, and can also be arranged horizontally as shown in fig. 10.
In the utility model, a length measuring sensor can be arranged in the box body and is used for measuring and controlling the length of the cable in and out; set up torque sensor on the cable exit action wheel of box for whether response cable is pulled, be equipped with first motor of singlechip control and second motor again, can further realize automatic receipts and releases line function.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (4)

1. An automatic take-up and pay-off device for an electric automobile charging pile is characterized by comprising a box body, an upper half roller, a lower half roller, a first guide rod, a second guide rod, a first guide rod support, a second guide rod support, a first connecting frame, a second connecting frame, a third connecting frame, a first linear bearing, a second linear bearing, a guide rod nut, a first motor, a driving wheel, a driven wheel, a second motor and a plurality of limiting supports;
the upper half roller and the lower half roller are both semi-cylinders and respectively comprise two side surfaces, an end surface and an arc surface, and the end surfaces of the upper half roller and the lower half roller form a complete cylinder when being overlapped;
the first guide rod and the second guide rod are arranged in parallel, two ends of the first guide rod are fixedly connected with the inner wall of the box body through a first guide rod support and a second guide rod support respectively, and two ends of the second guide rod are fixedly connected with the inner wall of the box body through a third guide rod support and a fourth guide rod support respectively;
the first connecting frame and the second connecting frame are respectively arranged on two side surfaces of the upper half roller, and the first connecting frame and the second connecting frame are respectively provided with through holes for mounting a first linear bearing and a second linear bearing; the first linear bearing and the second linear bearing are respectively arranged in the through holes of the first connecting frame and the second connecting frame; the first guide rod and the second guide rod are respectively connected with the first connecting frame and the second connecting frame through a first linear bearing and a second linear bearing, so that the upper half roller can freely slide up and down along the first guide rod and the second guide rod;
the third connecting frame is arranged on one side surface of the upper half roller, and is provided with a through hole for mounting a screw nut; the screw rod nut is arranged in a through hole in the third connecting frame;
the first lead screw support and the second lead screw support are fixed on the inner wall of the box body; the screw rod is in threaded connection with the screw rod nut, two ends of the screw rod are respectively connected with the first screw rod support and the second screw rod support through bearings, and the screw rod and the first guide rod are arranged in parallel;
the lower half roller is fixed in the box body, and the end surface of the lower half roller is opposite to the end surface of the upper half roller;
the first motor is fixed on the inner wall of the box body, an output shaft of the first motor is coaxially and fixedly connected with one end of the lead screw and is used for driving the lead screw to rotate so as to enable the end face of the upper half roller to be close to or far away from the end face of the lower half roller;
the limiting brackets are uniformly arranged on the cambered surfaces of the upper half roller and the lower half roller, and each limiting bracket is used for a cable to pass through, so that the limiting brackets form a spiral positioning channel for the cable to pass through, and the cable is wound on the cambered surfaces of the upper half roller and the lower half roller according to the track of the positioning channel;
an inlet for a cable to extend into and an outlet for the cable to extend out are formed in the box body;
the driving wheel and the driven wheel are correspondingly arranged at the outlet of the box body, and wheel surfaces of the driving wheel and the driven wheel are pressed on the outer circular surface of the cable and used for guiding the cable; the second motor is fixed on the inner wall of the box body, and an output shaft of the second motor is coaxially and fixedly connected with a rotating shaft of the driving wheel and used for driving the driving wheel to rotate and providing auxiliary power for the cable to pass in and out.
2. The automatic take-up and pay-off device for the electric vehicle charging pile according to claim 1, wherein the limiting bracket comprises a base, first to fourth rollers, and first to fourth rollers;
the lower end face of the base is fixedly connected with the cambered surface of the upper half roller or the lower half roller, and the upper end face of the base is provided with two bosses;
two ends of the first rolling shaft are fixedly connected with the side walls of the two bosses respectively, one end of the second rolling shaft and one end of the third rolling shaft are fixedly connected with the upper end surfaces of the two bosses respectively, and two ends of the fourth rolling shaft are fixedly connected with the other end of the second rolling shaft and the other end of the third rolling shaft respectively;
the first to fourth rollers are respectively and correspondingly arranged on the first to fourth rollers and can freely rotate.
3. The automatic take-up and pay-off device for the electric vehicle charging pile according to claim 1, wherein the limiting bracket comprises a base, a fixing plate and a third linear bearing;
the fixed plate is vertically and fixedly connected with the base, and a mounting hole for mounting the third linear bearing is formed in the fixed plate;
the linear bearing is arranged in the through hole of the fixing plate;
and the lower end surface of the base is fixedly connected with the cambered surface of the upper half roller or the lower half roller.
4. The automatic take-up and pay-off device for the electric automobile charging pile is characterized in that the upper half roller and the lower half roller are hollow.
CN201921885747.4U 2019-11-04 2019-11-04 Electric automobile fills electric pile's automatic pay-off and take-up device Active CN211712357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921885747.4U CN211712357U (en) 2019-11-04 2019-11-04 Electric automobile fills electric pile's automatic pay-off and take-up device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921885747.4U CN211712357U (en) 2019-11-04 2019-11-04 Electric automobile fills electric pile's automatic pay-off and take-up device

Publications (1)

Publication Number Publication Date
CN211712357U true CN211712357U (en) 2020-10-20

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Application Number Title Priority Date Filing Date
CN201921885747.4U Active CN211712357U (en) 2019-11-04 2019-11-04 Electric automobile fills electric pile's automatic pay-off and take-up device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110817606A (en) * 2019-11-04 2020-02-21 南京航空航天大学 Electric automobile fills electric pile's automatic pay-off and take-up device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110817606A (en) * 2019-11-04 2020-02-21 南京航空航天大学 Electric automobile fills electric pile's automatic pay-off and take-up device

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