Cable mobile power supply mechanism adopting volute spiral spring

Abstract

The utility model relates to a cable mobile power supply mechanism adopting a volute spiral spring. The cable mobile power supply mechanism comprises mobile electric equipment, a vehicle-mounted rotary platform, a cable winding mechanism, a cable, a guide mechanism and a ground power supply frame. The cable winding mechanism is composed of a cable winding shaft and two power shafts. One end of the cable winding shaft is coaxially provided with an electric slip ring, and the other end of the cable winding shaft is provided with two slave transmission wire coils. Each power shaft is coaxially provided with a plurality of volute spiral springs and a main transmission wire coil, and inner rings of the volute spiral springs are fixed to the power shafts. The main transmission wire coil on each power shaft corresponds to one auxiliary transmission wire coil on the cable winding shaft, power is transmitted through the transmission rope belt, the transmission rope belt is wound around the main transmission wire coils of the power shafts, one end of the transmission rope belt is fixed to the main transmission wire coils, and the other end of the transmission rope belt is fixed to the auxiliary transmission wire coils. And the cable is wound on the winding roll and is electrically connected with the inner ring of the electric slip ring. According to the mechanism, automatic winding and unwinding of the cable are achieved through volute spiral spring energy storage, the mechanism can be arranged on electric equipment, and the application range of cable power supply is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission, in particular to a cable mobile power supply mechanism adopting a scroll spring. Background Art

[0002] At present, power supply for electrically-powered equipment with small-range movement is mainly achieved through an electric cable reel. The electric cable reel requires a conductive slip ring, a torque motor and a torque sensor, with a complex structure, high cost and poor reliability, and it is difficult to meet the requirements of actual use.

[0003] A cable mobile power supply mechanism previously applied by the applicant can achieve automatic telescoping of a cable through energy storage of a tension spring, and is convenient and reliable to use. However, this mechanism uses a tension spring, with a relatively complex structure, heavy weight, and limited applicable scenarios. Summary of the Utility Model

[0004] In view of this, embodiments of the present disclosure provide a cable mobile power supply mechanism adopting a scroll spring to solve the problems of complex structure, heavy weight, limited applicable scenarios and low reliability of the existing cable mobile power supply mechanism.

[0005] To achieve the above object, the technical solution provided by the embodiments of the present application is a cable mobile power supply mechanism adopting a scroll spring, including a mobile electrically-powered equipment, a vehicle-mounted slewing platform, a cable winding mechanism, a cable, a guiding mechanism and a ground power supply frame. The vehicle-mounted slewing platform is installed on a slewing bearing, and the slewing bearing is arranged on the mobile electrically-powered equipment; the cable winding mechanism is composed of a cable winding shaft and two power shafts, and is installed on the vehicle-mounted slewing platform in two layers; the cable winding shaft is installed on the upper layer of the vehicle-mounted slewing platform, and a cable reel is installed at the middle position; one end of the cable winding shaft is coaxially installed with a slip ring, and the other end is installed with two slave drive reels; the two power shafts are installed at the lower part of the vehicle-mounted slewing platform and are parallel to each other. Each power shaft is coaxially installed with a plurality of scroll springs and a main drive reel. The inner ring of the scroll spring is fixed on the power shaft, and the scroll spring is arranged in a spring box, and the spring box is fixed on the vehicle-mounted slewing platform; the main drive reel on each power shaft corresponds to one of the slave drive reels on the cable winding shaft and transmits power through a transmission rope belt. The transmission rope belt is wound around the main drive reel of the power shaft, with one end fixed on the main drive reel and the other end fixed on the slave drive reel; the cable is wound around the cable reel, with one end fixed on the cable reel and electrically connected to the inner ring of the slip ring, and the other end fixed on the top of the ground power supply frame after passing through the guiding mechanism; the guiding mechanism is composed of four rollers to form a square structure and is arranged on the vehicle-mounted slewing platform and in front of the cable reel; the ground power supply frame is arranged on the ground or on a wall.

[0006] In some other preferred embodiments, the cable reel shaft is not provided with an electric slip ring. A towing rope is wound around the cable reel. The cable is suspended on the towing rope through the slip ring, and the towing rope is connected to the upper end of the ground power supply frame after passing through the guiding mechanism.

[0007] In some preferred embodiments, there is only one power shaft.

[0008] In some preferred embodiments, there are more than three power shafts.

[0009] In some preferred embodiments, the main drive cable reel and the slave drive cable reel are changed to a main drive sprocket and a slave drive sprocket respectively, and the drive cable belt is changed to a chain.

[0010] In some preferred embodiments, the main drive cable reel and the slave drive cable reel are changed to a main drive pulley and a slave drive pulley respectively, and the drive cable belt is changed to a drive belt.

[0011] In some preferred embodiments, the main drive cable reel and the slave drive cable reel are changed to a main drive gear and a slave drive gear respectively, and the main drive gear and the slave drive gear mesh with each other.

[0012] In some preferred embodiments, the power shaft is not provided, and the slave drive cable reel is not provided on the cable reel shaft. A plurality of volute springs are coaxially installed on the cable reel shaft. The cable reel is located at the middle position of the cable reel shaft, and the electric slip ring and the volute spring are arranged at both ends respectively.

[0013] In some preferred embodiments, the cable winding mechanism and the guiding mechanism are arranged on the ground, a power receiving frame is arranged on the mobile electrical equipment, the cable is wound around the cable reel, one end is electrically connected to the inner ring of the electric slip ring, and the other end is electrically connected to the electric slip ring at the upper end of the power receiving frame.

[0014] In some preferred embodiments, the electrical equipment is any one of an electric loader, an electric excavator, an electric forklift, an electric bulldozer, an electric flat car, an electric tunneling machine, an electric drilling machine, and an electric rotary drilling rig.

[0015] Compared with the prior art, the advantages of the cable mobile power supply mechanism of the present invention using a volute spring are that it is small in size, light in weight, high in reliability, can be arranged on the electrical equipment, and has a wide range of applications. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of a cable mobile power supply mechanism using a scroll spring provided by an embodiment of the present application;

[0018] Figure 2 It is a schematic structural diagram of a cable winding mechanism in a cable mobile power supply mechanism using a scroll spring according to an embodiment of the present application. Specific embodiments

[0019] The following further elaborates on the technical solutions in the embodiments of the present application in conjunction with the drawings. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "fixed", "installed", "connected", "connected", "upper part", and "lower part" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0021] Embodiment 1:

[0022] As shown in the attached Figure 1-2 figure. The attached Figure 1 discloses a schematic overall structure diagram of a cable mobile power supply mechanism using a scroll spring in this embodiment. The cable mobile power supply mechanism using a scroll spring is used to supply power to a movable electrical equipment. The movable electrical equipment 1 is any one of an electric loader, an electric excavator, an electric forklift, an electric bulldozer, an electric flat car, an electric tunneling machine, an electric drilling machine, and an electric rotary drilling rig, or can also be any mechanical equipment, which is not limited herein.

[0023] The cable mobile power supply mechanism using a scroll spring includes a movable electrical equipment 1, a slewing bearing 2, a vehicle-mounted slewing platform 3, a first power shaft 4, a second power shaft 5, a cable winding shaft 6, a power supply cable 7, a guiding mechanism 8, and a ground power supply frame 9. The first power shaft 4, the second power shaft 5, and the cable winding shaft 6 form a cable winding mechanism.Figure 2 The structural schematic diagram of the cable winding mechanism of this embodiment is disclosed. A plurality of first scroll springs 41 and a first main drive wire reel 42 are coaxially installed on the first power shaft 4. A plurality of second scroll springs 51 and a second main drive wire reel 52 are coaxially installed on the second power shaft 5. An electric slip ring 61, a wire reel 62, a first driven drive wire reel 63, and a second driven drive wire reel 64 are coaxially installed on the cable winding shaft 6. The wire reel 62 is located in the middle position, and the first driven drive wire reel 63, the second driven drive wire reel 64, and the electric slip ring 61 are respectively installed at both ends. The first transmission rope 43 is wound around the first main drive wire reel 42, one end is fixed to the first main drive wire reel 42, and the other end is fixed to the first driven drive wire reel 63. The second transmission rope 53 is wound around the second main drive wire reel 52, one end is fixed to the second main drive wire reel 52, and the other end is fixed to the second driven drive wire reel 64. The cable winding mechanism is installed on the vehicle-mounted slewing platform 3. The vehicle-mounted slewing platform 3 is installed on the mobile electrical equipment 1 through a slewing bearing 2. The cable 7 is wound around the wire reel 62, one end is electrically connected to the inner ring of the electric slip ring 61, and the other end is fixed to the upper end of the ground power supply frame 9 through a guiding mechanism 8. The guiding mechanism 8 is composed of four rollers and is arranged in a square structure on the vehicle-mounted slewing platform 3. Both the first scroll spring 41 and the second scroll spring 51 are arranged in a spring box, and the spring box is fixed to the vehicle-mounted slewing platform 3.

[0024] The beneficial effects of the cable mobile power supply mechanism provided by this embodiment at least include: the power supply cable 7 is suspended in the air and automatically winds and unwinds with the movement of the electrical equipment, avoiding damage caused by the power supply cable 7 being dragged on the ground. The cable winding mechanism is small in volume and can be arranged on the mobile electrical equipment 1. The power supply cable 7 winds and unwinds smoothly, is convenient to move, and can be combined with an aerial power supply track to expand the activity range of the mobile equipment.

[0025] Embodiment 2:

[0026] The difference between this embodiment and Embodiment 1 is that the cable winding shaft 6 is not provided with an electric slip ring 61. A towing rope is wound on the wire reel 62. The cable 7 is suspended on the towing rope through a slip ring, and the towing rope is connected to the upper end of the ground power supply frame 9 through a guiding mechanism 8.

[0027] Embodiment 3:

[0028] The difference between this embodiment and Embodiment 1 is that there is only one power shaft.

[0029] Embodiment 4:

[0030] The difference between this embodiment and Embodiment 1 is that there are more than three power shafts.

[0031] Embodiment 5:

[0032] In this embodiment, different from Embodiment 1, the main drive wire reel and the slave drive wire reel are changed to a main drive sprocket and a slave drive sprocket, and the drive rope belt is changed to a chain.

[0033] Embodiment 6:

[0034] In this embodiment, different from Embodiment 1, the main drive wire reel and the slave drive wire reel are changed to a main drive pulley and a slave drive pulley, and the drive rope belt is changed to a drive belt.

[0035] Embodiment 7:

[0036] In this embodiment, different from Embodiment 1, the main drive wire reel and the slave drive wire reel are changed to a main drive gear and a slave drive gear, and the main drive gear and the slave drive gear mesh with each other.

[0037] Embodiment 8:

[0038] In this embodiment, different from Embodiment 1, the power shaft is not provided in this embodiment, the slave drive wire reel is not provided on the cable reel 6, and a plurality of torsion springs are coaxially installed on the cable reel 6. The winding reel 62 is located in the middle of the cable reel 6, and the slip rings 61 and the torsion springs are arranged at both ends respectively.

[0039] Embodiment 9:

[0040] In this embodiment, different from Embodiment 1, the cable winding mechanism and the guiding mechanism 8 are arranged on the ground, a power receiving frame is arranged on the mobile electrical device 1, the cable 7 is wound on the winding reel 62, one end is electrically connected to the inner ring of the slip ring 61, and the other end is electrically connected to the slip ring 61 at the upper end of the power receiving frame.

[0041] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the scope of the technical solution of the present invention.

[0042] After reading this specification, those skilled in the art can easily see that the present invention is composed of the combination of existing technologies. Some of these existing technologies that make up the present invention are described in detail here, and some are not described in detail for the sake of simplicity of the specification. However, those skilled in the art will know what is meant after reading the specification. Moreover, those skilled in the art can also easily see that the combination of these existing technologies to form the present invention involves a large amount of creative labor and is the crystallization of the inventor's years of theoretical analysis and a large number of experiments. Those skilled in the art can also see from the specification that each technical solution disclosed here and any combination of each feature belong to a part of the present invention.

Claims

1. A cable mobile power supply mechanism using a spiral spring, comprising a mobile power-consuming device, a vehicle-mounted rotating platform, a cable winding mechanism, a cable, a guide mechanism and a ground power supply frame, characterized in that: The vehicle-mounted rotating platform is installed on a rotating support, and the rotating support is arranged on the mobile electrical equipment; the cable winding mechanism consists of a cable winding shaft and two power shafts, which are installed on the vehicle-mounted rotating platform in two layers; the cable winding shaft is installed on the upper layer of the vehicle-mounted rotating platform, and a winding drum is installed in the middle position; an electric slip ring is coaxially installed at one end of the cable winding shaft, and two slave transmission drums are installed at the other end; the two power shafts are installed at the lower part of the vehicle-mounted rotating platform and are parallel to each other, and each power shaft is coaxially installed with a plurality of volute springs and a main transmission drum, the inner ring of the volute spring is fixed on the power shaft, and the volute spring is arranged in a spring box, and the spring box is fixed on the vehicle-mounted rotating platform; the main transmission drum on each power shaft corresponds to one of the slave transmission drums on the cable winding shaft and transmits power through a transmission rope belt, and the transmission rope belt is wound on the main transmission drum of the power shaft, one end of which is fixed on the main transmission drum, and the other end is fixed on the slave transmission drum; The cable is wound on the cable reel, one end of which is fixed on the cable reel and electrically connected to the inner ring of the electric slip ring, and the other end is fixed to the top of the ground power supply frame after passing through the guide mechanism; the guide mechanism is composed of four rollers and has a U-shaped structure, which is arranged on the vehicle-mounted revolving platform and is located in front of the cable reel; the ground power supply frame is installed on the ground or on a wall.

2. The cable mobile power supply mechanism using a spiral spring as claimed in claim 1, characterized in that: The cable reel is not provided with an electric slip ring, a traction rope is wound on the cable reel, the cable is suspended on the traction rope through the slip ring, and the traction rope is connected to the upper end of the ground power supply frame after passing through the guide mechanism.

3. The cable mobile power supply mechanism using a spiral spring according to claim 1 or 2, characterized in that: There is only one power shaft.

4. The cable mobile power supply mechanism using a spiral spring according to claim 1 or 2, characterized in that: There are more than three power shafts.

5. The cable mobile power supply mechanism using a spiral spring according to claim 1 or 2, characterized in that: The main transmission drum and the slave transmission drum are changed into a main transmission sprocket and a slave transmission sprocket, and the transmission belt is changed into a chain.

6. The cable mobile power supply mechanism using a spiral spring according to claim 1 or 2, characterized in that: The main transmission drum and the slave transmission drum are changed into a main transmission pulley and a slave transmission pulley, and the transmission rope belt is changed into a transmission belt.

7. The cable mobile power supply mechanism using a spiral spring according to claim 1 or 2, characterized in that: The main transmission reel and the slave transmission reel are changed into a main transmission gear and a slave transmission gear, and the main transmission gear and the slave transmission gear are meshed with each other.

8. The cable mobile power supply mechanism using a spiral spring according to claim 1 or 2, characterized in that: The power shaft is not provided, the cable winding shaft is not provided with the slave transmission wire drum, a plurality of the spiral springs are coaxially mounted on the cable winding shaft, the wire drum is located in the middle of the cable winding shaft, and the electric slip ring and the spiral spring are arranged at both ends respectively.

9. The cable mobile power supply mechanism using a spiral spring according to claim 1 or 2, characterized in that: The cable winding mechanism and the guide mechanism are arranged on the ground, a power receiving frame is arranged on the mobile power-consuming equipment, the cable is wound on the winding drum, one end of the cable is electrically connected to the inner ring of the electric slip ring, and the other end is electrically connected to the electric slip ring at the upper end of the power receiving frame.

10. The cable mobile power supply mechanism using a spiral spring according to claim 1, characterized in that: The electrical equipment is any one of an electric loader, an electric excavator, an electric forklift, an electric bulldozer, an electric flat car, an electric tunneling machine, an electric drilling machine, and an electric rotary drilling rig.

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