Automatic cable winding and unwinding device for new energy charging pile
By designing a cable retraction and extension assembly for new energy charging piles, the problems of non-adjustable cable spacing and poor heat dissipation were solved, achieving uniform cable distribution and automatic cable retraction and extension, improving the stability and heat dissipation performance of the equipment, and adapting to the needs of different cable specifications.
Patent Information
- Application Number
- CN202520091592.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Traditional new energy charging pile cable retraction and deployment devices cannot flexibly adjust the cable spacing, resulting in poor adaptability to different models or specifications of charging cables. Furthermore, the high cable density during cable retraction leads to poor heat dissipation.
Design a cable retraction assembly, including symmetrically arranged outer protective plates, ball bearings, transmission rollers, movable pulleys, and micro-motion detection sensors. By tilting the pulleys and controlling the threaded screw, uniform cable distribution and automatic cable retraction are achieved, adapting to the needs of cables of different diameters and materials, and enhancing heat dissipation performance.
It achieves uniform cable distribution and automatic cable retraction, improves the operational stability and heat dissipation performance of the equipment, adapts to different cable specifications, and enhances ease of use and equipment durability.
Smart Images
Figure CN223704825U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of new energy charging pile, concretely relates to an automatic cable winding and unwinding device for new energy charging pile. BACKGROUND
[0002] The automatic cable winding and unwinding device for new energy charging pile is an auxiliary device designed to improve the convenience, neatness and durability of the charging pile during use. It can automatically extend and retract the charging cable, avoid wear and tear and tangled wires caused by dragging on the ground, and improve user experience and equipment maintenance costs.
[0003] In actual use, the traditional new energy charging pile winding and unwinding device usually uses a partition plate around the outside of the winding drum to control the cable spacing. Although it has certain functionality, it has limitations in actual use. Since the partition plate position is usually fixed by welding, the design of the winding drum is preset according to the specific cable diameter and spacing, making it difficult to adjust the cable spacing flexibly. Different types or specifications of charging cables require different spacing settings. This fixed partition plate structure cannot well adapt to different scene requirements. At the same time, the partition plate around the outside of the winding drum increases the density of the cable. In the winding state, there is no effective ventilation and heat dissipation space between the cables.
[0004] Therefore, an automatic cable winding and unwinding device for new energy charging pile is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] To overcome one or more of the above defects or improvement needs of the prior art, the utility model provides an automatic cable winding and unwinding device for new energy charging pile, which has the advantages of accurately adjusting the spacing between cables, improving the efficiency of cable winding and unwinding, improving the heat dissipation efficiency of the cable after winding, and automatically winding and unwinding.
[0006] To achieve the above purpose, the utility model provides an automatic cable winding and unwinding device for new energy charging pile, comprising a winding and unwinding cable assembly and a cable for new energy charging pile; the cable for new energy charging pile is wound on the winding and unwinding cable assembly;
[0007] Among them, the winding and unwinding cable assembly includes two outer protective plates arranged symmetrically, two outer protective plates are equipped with ball bearings at the center, and two ball bearings are rotatably provided with transmission rollers between them;
[0008] The bottom of the two outer protective plates is commonly provided with a bracket, the bracket is rotatably provided with a threaded screw rod, the threaded screw rod is externally meshed with a screw nut, and the screw nut is externally sleeved with a connecting plate;
[0009] The connecting plate is externally rotatably provided with two movable pulleys, and the two movable pulleys are arranged in an inclined manner.
[0010] The bottom of the connecting plate is provided with a signal emitter matched with the micro-motion detection sensor.
[0011] As a further improvement of the utility model, one end of the transmission roller penetrates one of the outer protective plates and is connected with a first belt pulley; a second belt pulley is rotatably arranged on one side of the support, and a transmission belt is arranged between the first belt pulley and the second belt pulley.
[0012] As a further improvement of the utility model, two light poles are further arranged in parallel in the support, and linear bearings are slidably arranged on the outer sides of the two light poles, and the two linear bearings penetrate the connecting plate and are connected with the connecting plate.
[0013] As a further improvement of the utility model, one of the outer protective plates is provided with an inner disc on one side, a take-up ring is slidably arranged on the outer side of the inner disc, and a take-up cylinder is arranged on the outer side of the take-up ring.
[0014] As a further improvement of the utility model, the take-up cylinder is connected with a connecting ring on the other end, the connecting ring is provided with a positioning plate on one side and is connected with a positioning seat through the positioning plate, the positioning seat is internally formed with a key groove and is embeddedly connected with the transmission roller, a bolt is arranged in the connecting ring, and a notch is formed on the outer side of the transmission roller.
[0015] As a further improvement of the utility model, a reciprocating motor is arranged on the inner disc, the output end of the reciprocating motor penetrates the inner disc and is connected with a driving gear, a matching gear is assembled on the side surface of the take-up ring, the driving gear is engaged with the matching gear, an outer cylinder is connected with the inner disc on one side, an inner sliding ring is rotatably arranged in the outer cylinder, the inner sliding ring is connected with the transmission roller, and a plurality of limiting rollers are further arranged around the two outer protective plates.
[0016] Overall, the above technical scheme conceived by the utility model has the following beneficial effects compared with the prior art:
[0017] The automatic cable winding and unwinding device for new energy charging piles is provided with two movable pulleys, and the two movable pulleys are arranged to be inclined, so that the cables for new energy charging piles are not stacked or wound together during automatic winding and unwinding, and the cables for new energy charging piles are prevented from being knotted or locally subjected to excessive force, the operation stability of the device is improved, and a spacing is formed between the two adjacent cables for new energy charging piles, so that the ventilation gap between the cables for new energy charging piles is increased, and the heat dissipation performance of the cables for new energy charging piles is greatly improved.
[0018] The automatic cable winding and unwinding device for new energy charging piles is provided with two movable pulleys, and the two movable pulleys are arranged to be inclined, so that the cables for new energy charging piles are not stacked or wound together during automatic winding and unwinding, and the cables for new energy charging piles are prevented from being knotted or locally subjected to excessive force, the operation stability of the device is improved, and a spacing is formed between the two adjacent cables for new energy charging piles, so that the ventilation gap between the cables for new energy charging piles is increased, and the heat dissipation performance of the cables for new energy charging piles is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall installation structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the sliding connection structure of the movable pulley and the cable for new energy charging piles of the utility model;
[0021] Figure 3 It is a schematic diagram of the connection structure of the transmission roller and the positioning seat of the utility model;
[0022] Figure 4 It is a schematic diagram of the deflection arrangement structure of the movable pulley.
[0023] In all the drawings, the same reference signs represent the same technical features, and specifically: 1, cable winding and unwinding assembly; 11, outer protection plate; 12, ball bearing; 13, transmission roller; 14, first belt pulley; 15, transmission belt; 16, second belt pulley; 17, support; 18, threaded screw rod; 19, screw nut; 110, connecting plate; 111, movable pulley; 112, polished rod; 113, linear bearing; 114, inner disc; 115, winding ring; 116, winding drum; 117, connecting ring; 118, positioning plate; 119, positioning seat; 120, outer cylinder; 121, inner sliding ring; 122, reciprocating motor; 123, driving gear; 124, matching gear; 125, limiting roller; 126, micro-motion detection sensor; 2, cable for new energy charging pile. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0025] Embodiment
[0026] By Figures 1-4 Provided is an automatic cable winding and unwinding device for a new energy charging pile, comprising a cable winding and unwinding assembly 1 and a cable 2 for a new energy charging pile; the cable 2 for a new energy charging pile is wound on the cable winding and unwinding assembly 1;
[0027] The cable winding and unwinding assembly 1 comprises two outer protective plates 11 arranged symmetrically, a ball bearing 12 is arranged at the center of each of the two outer protective plates 11, and a transmission roller 13 is rotatably arranged between the two ball bearings 12;
[0028] A support 17 is mounted at the bottom of the two outer protective plates 11, a threaded screw rod 18 is rotatably arranged in the support 17, a screw nut 19 is engaged with the outside of the threaded screw rod 18, and a connecting plate 110 is sleeved on the outside of the screw nut 19;
[0029] Two movable pulleys 111 are rotatably arranged on the outside of the connecting plate 110, and the two movable pulleys 111 are arranged obliquely;
[0030] Micro-motion detection sensors 126 are arranged at the bottom of the two sides of the support 17, and a signal emitter that cooperates with the micro-motion detection sensors 126 is arranged at the bottom of the connecting plate 110.
[0031] In the present embodiment, the two movable pulleys 111 are arranged to move reciprocally and linearly in the support 17 along with the connecting plate 110; when the winding drum 116 is rotating, the cable 2 for a new energy charging pile is evenly distributed on the surface of the winding drum 116 during winding and unwinding, thereby completing automatic winding and unwinding operation; and the cable winding and unwinding assembly 1 of the present application can adjust the moving range and speed of the sliding movable pulley 111 according to actual needs, so as to adapt to cables 2 for new energy charging piles of different diameters, materials and lengths, and further improve the application range of the cable winding and unwinding assembly 1.
[0032] Further, due to the inclined arrangement of the two movable pulleys 111, the new energy charging pile cables 2 will not be stacked or wound together during automatic winding and unwinding, avoiding knotting or excessive local stress, improving the operation stability of the equipment, and a spacing is formed between the two adjacent new energy charging pile cables 2, thereby increasing the ventilation gap between the two adjacent new energy charging pile cables 2, and greatly improving the heat dissipation performance of the new energy charging pile cables 2.
[0033] It should be noted that in combination with the actual production situation, in the preferred embodiment of the present application, the two groups of movable pulleys 111 are arranged at an angle of 2°.
[0034] Further, considering the start-stop control accuracy of the new energy charging pile cables 2 during winding and unwinding, in the preferred embodiment, a group of micro-motion detection sensors 126 is arranged on the bottom of the bracket 17 on both sides, and a signal emitter matched with the micro-motion detection sensor 126 is arranged on the bottom of the connecting plate 110. The signal emitter moves left and right with the connecting plate 110, so that the left and right positions of the signal emitter are detected by the micro-motion detection sensor 126, which is used to judge the winding and unwinding state of the new energy charging pile cables 2. During actual winding and unwinding, when the movable pulley 111 reaches the micro-motion detection sensor 126 on the left, the new energy charging pile cables 2 are in a winding state, and when the movable pulley 111 reaches the micro-motion detection sensor 126 on the right, the new energy charging pile cables 2 are completely released.
[0035] Further preferably, the micro-motion detection sensor 126 can be replaced by a groove type optical coupling sensor according to actual needs. The power connection mode of the micro-motion detection sensor 126 is a prior art, and the control circuit can be realized by simple programming by those skilled in the art. It is a common knowledge in the art, only its use is described, without modification, so the control mode and circuit connection are not described in detail.
[0036] Specifically, referring to Figures 1-3 , one end of the transmission roller 13 penetrates through one of the outer protective plates 11 and is connected with the first pulley 14; the bracket 17 is rotatably provided with the second pulley 16 on one side, and the first pulley 14 and the second pulley 16 are tensioned with the transmission belt 15 therebetween.
[0037] In this embodiment, when the transmission roller 13 is rotating, the first pulley 14 connected with the transmission roller 13 can be kept rotating synchronously, and when the first pulley 14 is rotating, the second pulley 16 can be rotated synchronously through the tensioning connection of the transmission belt 15.
[0038] Specifically, referring to Figures 1-3Two light poles 112 are also arranged in parallel in the bracket 17, and linear bearings 113 are arranged on the outer sides of the two light poles 112, and the two linear bearings 113 penetrate the connecting plate 110 and are connected to the connecting plate 110.
[0039] In the embodiment, the rotation between the second pulley 16 and the bracket 17 is set, so that when the second pulley 16 rotates, the threaded lead screw 18 arranged can be kept rotating synchronously.
[0040] Further, the two light poles 112 are laterally limited, so that the lead screw nut 19 engaged outside the threaded lead screw 18 can drive the connecting plate 110 and the movable pulley 111 to move linearly, at this time, the user can control the reciprocating linear movement of the movable pulley 111 by controlling the forward and reverse rotation direction of the threaded lead screw 18.
[0041] Specifically, referring to Figures 1-3 One side of one of the outer protective plates 11 extends to be provided with an inner disc 114, the outer side of the inner disc 114 is slidably provided with a take-up ring 115, and the outer side of the take-up ring 115 is sleeved with a take-up cylinder 116.
[0042] In the embodiment, the inner disc 114 is arranged to be used for mounting the take-up ring 115, and the take-up ring 115 is arranged to be kept rotating outside the inner disc 114, and the take-up cylinder 116 is arranged to be kept rotating synchronously with the take-up ring 115.
[0043] Specifically, referring to Figures 2-3 The other end of the take-up cylinder 116 is connected with a connecting ring 117, one side of the connecting ring 117 is provided with a positioning plate 118 and is connected with a positioning seat 119 through the positioning plate 118, the positioning seat 119 is internally formed with a key groove and is embeddedly connected with the transmission roller 13; the connecting ring 117 is internally provided with a bolt, and the transmission roller 13 is externally provided with a notch.
[0044] In the embodiment, the connecting ring 117 is connected between the take-up cylinder 116 and the connecting ring 117, so that when the take-up cylinder 116 rotates, the connecting ring 117 arranged can keep rotating synchronously, and since the connecting ring 117 is internally provided with a bolt and the bolt is abutted with the notch on the outer side of the transmission roller 13, when the connecting ring 117 rotates, the transmission roller 13 arranged can keep rotating synchronously with the take-up cylinder 116.
[0045] Further, considering that there is a gap between the bolt of the connecting ring 117 and the transmission roller 13 when the connecting ring 117 rotates, which can easily cause the transmission roller 13 to not respond in time, in a more preferred embodiment, the connecting ring 117 is further connected with the positioning plate 118 and the positioning seat 119 on the side surface, and the positioning seat 119 is further internally provided with a key groove, so that when the connecting ring 117 rotates, the transmission roller 13 arranged can stably keep rotating synchronously with the take-up cylinder 116.
[0046] Specifically, referring to Figures 1-4 The inner disc 114 is provided with a reciprocating motor 122, the output end of the reciprocating motor 122 penetrates the inner disc 114 and extends to be connected with a driving gear 123, the side of the take-up ring 115 is provided with a matching gear 124, the driving gear 123 is engaged with the matching gear 124, one side of the inner disc 114 extends to be connected with an outer cylinder 120, the inner cylinder 120 is provided with an inner sliding ring 121 which is rotatably arranged in the inner cylinder 120 and is connected with the transmission roller 13, and a plurality of limiting rollers 125 are arranged between the two outer protective plates 11.
[0047] In the embodiment, when the user connects an external power supply to the reciprocating motor 122, the reciprocating motor 122 arranged at this time can drive the driving gear 123 to rotate, and when the driving gear 123 rotates, the matching gear 124 engaged with the driving gear 123 can drive the take-up ring 115 to rotate synchronously.
[0048] The automatic cable winding and unwinding device for new energy charging piles of the utility model:
[0049] First step: when the user uses the cable winding and unwinding assembly 1 to wind and unwind the cable 2 for new energy charging piles, first thread one end of the cable 2 for new energy charging piles through the two movable pulleys 111, and then drive the transmission roller 13 to rotate, when the transmission roller 13 rotates, the first belt pulley 14 connected with the transmission roller 13 can realize the rotation control of the second belt pulley 16 in cooperation with the transmission belt 15, and when the second belt pulley 16 rotates, the screw rod 18 connected with the second belt pulley 16 can rotate synchronously.
[0050] Second step: when the screw rod 18 rotates, the two light rods 112 limit the side, so that the screw nut 19 engaged outside the screw rod 18 can drive the connecting plate 110 and the movable pulley 111 to move linearly, at this time, the user can realize the reciprocating linear motion control of the movable pulley 111 by controlling the forward and reverse rotation direction of the screw rod 18, and the two movable pulleys 111 bite and limit the cable 2 for new energy charging piles, at this time, when the take-up drum 116 rotates and the movable pulley 111 moves linearly, the cable 2 for new energy charging piles can be uniformly distributed on the surface of the take-up drum 116 during winding and unwinding, and the cable 2 for new energy charging piles is inclinedly arranged, so that the cable 2 for new energy charging piles cannot be stacked or wound together, the knotting or local excessive stress is avoided, the operation stability of the equipment is improved, and a spacing is formed between the two adjacent cables 2 for new energy charging piles, so that the ventilation gap between the cables 2 for new energy charging piles is increased, and the heat dissipation performance of the cable 2 for new energy charging piles is greatly improved.
[0051] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automatic cable winding and unwinding device for a new energy charging pile, Characterized in that; It includes a winding and unwinding cable assembly (1) and a new energy charging pile cable (2); the new energy charging pile cable (2) is wound on the winding and unwinding cable assembly (1); Wherein, the winding and unwinding cable assembly (1) includes two outer protective plates (11) arranged symmetrically, two outer protective plates (11) are equipped with ball bearings (12) at the center, two ball bearings (12) are rotatably provided with transmission rollers (13) between them; The bottom of the two outer protective plates (11) is commonly installed with a support (17), the support (17) is rotatably provided with a threaded lead screw (18) inside, the threaded lead screw (18) is externally meshed with a screw nut (19), and the screw nut (19) is externally sleeved with a connecting plate (110); The connecting plate (110) is rotatably provided with two movable pulleys (111) outside, and the two movable pulleys (111) are arranged obliquely; The bottom of the connecting plate (110) is provided with a signal transmitter matched with the micro-motion detection sensor (126).
2. The automatic cable winding and unwinding device for new energy charging pile according to claim 1, characterized in that, One end of the transmission roller (13) penetrates one of the outer protective plates (11) and is connected with a first belt pulley (14); one side of the support (17) is rotatably provided with a second belt pulley (16), and the first belt pulley (14) and the second belt pulley (16) are tensioned with a transmission belt (15) therebetween.
3. The automatic cable take-up and pay-out device for new energy charging piles according to claim 1, characterized in that, The support (17) is also provided with two light rods (112) parallel thereto, and the outer portions of the two light rods (112) are slidably provided with linear bearings (113), and the two linear bearings (113) penetrate the connecting plate (110) and are connected thereto.
4. The automatic cable take-up and pay-out device for new energy charging piles according to claim 1, characterized in that, One side of one of the outer protective plates (11) is extendedly provided with an inner disc (114), the outer portion of the inner disc (114) is slidably provided with a take-up ring (115), and the outer portion of the take-up ring (115) is sleeved with a take-up cylinder (116).
5. The automatic cable take-up and pay-out device for new energy charging piles according to claim 4, characterized in that, The other end of the take-up cylinder (116) is connected with a connecting ring (117), one side of the connecting ring (117) is provided with a positioning plate (118) and is connected with a positioning seat (119) through the positioning plate (118), the positioning seat (119) is internally formed with a key groove and is connected with the transmission roller (13) in a clamping manner; the connecting ring (117) is provided with a bolt, and the transmission roller (13) is provided with a notch outside.
6. The automatic cable take-up and pay-out device for new energy charging piles according to claim 5, characterized in that, The inner disc (114) is provided with a reciprocating motor (122), the output end of the reciprocating motor (122) penetrates the inner disc (114) and is connected with a driving gear (123), the side of the take-up ring (115) is provided with a matching gear (124), and the driving gear (123) is meshed with the matching gear (124); one side of the inner disc (114) is extendedly connected with an outer cylinder (120), the inner cylinder (120) is rotatably provided with an inner sliding ring (121), and the inner sliding ring (121) is connected with the transmission roller (13); a plurality of limiting rollers (125) are also arranged between the two outer protective plates (11).