CN212098447U - Wheeled collector and collector assembly - Google Patents
Wheeled collector and collector assembly Download PDFInfo
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- CN212098447U CN212098447U CN202020179180.5U CN202020179180U CN212098447U CN 212098447 U CN212098447 U CN 212098447U CN 202020179180 U CN202020179180 U CN 202020179180U CN 212098447 U CN212098447 U CN 212098447U
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- guide rod
- adjusting device
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Abstract
The invention provides a current collection box, wherein an electromechanical wheel assembly is elastically hinged in the current collection box; the automatic height-adjusting device is internally provided with an elastic lifting guide rod, the free end of the upper part of the guide rod extends out of the automatic height-adjusting device, and the upper end of the guide rod is fixedly connected with the lower surface of the collecting box. The sliding contact brush has the advantages of being small in structure, small in turning radius, automatic in height adjustment and the like, capable of guaranteeing that the collecting brush is always in contact with a sliding contact line, capable of greatly reducing sliding friction loss and prolonging service life of a collector due to the adoption of a wheel type structure.
Description
Technical Field
The invention relates to the field of current collectors, in particular to a wheel type current collector and a current collector assembly.
Background
The current collector is the core device in the electrical rail. The collector is a main device for collecting electric energy at the collector side in a slide wire system, and the collector directly transmits the electric energy to electric equipment through sliding or rolling contact of a collector brush and a guide rail, so that the mobile power supply of the system is realized. The current collector consists of a tension device with a mechanical structure and a current collecting head which is directly in sliding or rolling contact with the guide rail.
At present, the current collector of the existing patent is mostly used for large hoisting equipment such as crown blocks, and has larger structural size and larger turning radius (larger than 750 mm). In the fields of construction machinery, food machinery and the like, electric guide rails are increasingly used, and the electric guide rails are developed towards miniaturization, small turning and the like, so that new requirements are made on current collectors:
(1) because the reason of operational environment needs dustproof, waterproof, anticreep, therefore current collector and wiping line need set up in airtight wire casing, and the current collector will move and the small-radius turn in narrow and small space's wire casing.
(2) The electric guide rail generally belongs to the assembled design, and because reasons such as installation error, machining error, the wiping line roughness that contacts with the current collector is not high, this contact that just requires current collection brush and wiping line can be fine guarantees that the current collector is stable continuously to supply power.
(3) In the operation process of the electric guide rail, the relative height between the current collector and the sliding contact line can be changed at any time, and the current collector has the function of automatically adjusting the height in order to ensure that the current collector cannot damage the sliding contact line.
At present, no wheel type current collector which adopts double guide rods and can automatically adjust the height is found, and no current collector which is contacted with a circular arc sliding contact line with the radius of less than 300mm is found.
Disclosure of Invention
The invention provides a wheel type current collector and a current collector assembly, which solve the problems in the prior art.
The technical scheme of the invention is realized as follows:
a wheeled current collector comprising:
the current collection box is internally and elastically hinged with a current collection wheel assembly;
the automatic height-adjusting device is internally provided with an elastic lifting guide rod, the free end of the upper part of the guide rod extends out of the automatic height-adjusting device, and the upper end of the guide rod is fixedly connected with the lower surface of the collecting box.
As a preferable scheme of the invention, the automatic height adjusting device comprises a hollow cylinder structure, the upper end and the lower end of the cylinder structure are connected with a flange, and the middle part of the flange at the upper end is provided with a through hole for extending the guide rod.
As a preferable aspect of the present invention, the through hole and the guide bar form a clearance fit structure.
As a preferable scheme of the invention, the middle part of the guide rod in the cylinder structure is provided with a circle of outer convex ring structure used for clamping the spring, the guide rod at the lower part of the outer convex ring is sleeved with the lower spring, and the guide rod at the upper part of the outer convex ring is sleeved with the upper spring.
As a preferable scheme of the invention, the upper end of the upper spring is clamped on the lower side surface of the upper end flange plate, and the lower end of the lower spring is clamped on the upper surface of the lower end flange plate.
As a preferred scheme of the invention, at least one group of current collecting assemblies is longitudinally arranged in the current collecting box, and each group of current collecting assemblies comprises two current collecting wheel assemblies which are hinged in the corresponding slot position in parallel.
As a preferred scheme of the invention, the collecting wheel assembly comprises a U-shaped frame fixed in a corresponding groove of the collecting box; the U-shaped frame is rotatably connected with two copper sheets through a pin shaft and a torsion spring, and the free ends of the two copper sheets are rotatably connected with a current collecting wheel through a current collecting wheel shaft.
The collector assembly using the wheel type collector comprises a track, wherein a wire groove is fixed at the lower part of the track, and a collector wheel in the wheel type collector is in contact with a sliding contact wire in the wire groove.
As a preferable scheme of the present invention, the current collector assembly includes a support seat having a U-shaped structure, the wire groove is inserted into the support seat, the upper end of the support seat is connected to two horizontal platforms extending toward the center, the horizontal platforms are provided with rotating clamping wheels, and the two clamping wheels clamp the vertical connection portion in the track therebetween.
As a preferable scheme of the invention, the lower surface of the wheel type current collector is fixed on the bottom surface of the supporting seat, the wire groove is of an inverted U-shaped structure, two vertical parts at the lower part of the wire groove extend towards the center to form a horizontal waterproof brush, and the waterproof brush is in contact fit with the automatic height-adjusting device.
Has the advantages that:
the invention provides a current collection box, wherein a current collection wheel assembly is elastically hinged in the current collection box; the automatic height-adjusting device is internally provided with an elastic lifting guide rod, the free end of the upper part of the guide rod extends out of the automatic height-adjusting device, and the upper end of the guide rod is fixedly connected with the lower surface of the collecting box. The sliding contact brush has the advantages of being small in structure, small in turning radius, automatic in height adjustment and the like, capable of guaranteeing that the collecting brush is always in contact with a sliding contact line, capable of greatly reducing sliding friction loss and prolonging service life of a collector due to the adoption of a wheel type structure.
The invention provides a wheel type current collector capable of automatically adjusting height, which has a function of automatically adjusting the height, can well solve the problem that the height of a sliding contact line is inconsistent in the moving process of the current collector, and has a good practical value particularly on building construction machinery.
The wheel type current collector capable of automatically adjusting the height is simple in structure, convenient to maintain, capable of turning with a small radius and significant to miniaturization of electric equipment.
The wheel type collector capable of automatically adjusting the height provided by the invention adopts a mode of the collector wheel, so that the friction loss can be effectively reduced, and the service life of the collector wheel is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows an embodiment of a self-height adjustable wheeled collector according to the invention;
fig. 2 is a schematic structural view of a self-height adjustable wheeled collector according to the present invention;
FIG. 3 is a schematic structural diagram of the automatic height adjusting device of the present invention;
fig. 4 is a schematic structural view of the current collecting wheel assembly of the present invention.
In the figure, a supporting seat 1, a current collector 2, a left clamping wheel 3, a track 4, a right clamping wheel 5, a wire groove 6, an elevator 7, a waterproof brush 8, an automatic height adjusting device 9, a current collecting box 10, a current collecting wheel assembly 11, an inner hexagon bolt 12, a lower spring 13, an upper spring 14, a guide rod 15, a seat plate 16, a guide seat 17, a U-shaped frame 18, a screw 19, a pin shaft 20, a copper sheet 21, a current collecting wheel shaft 22, a current collecting wheel 23 and a torsion spring 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The scheme shown in fig. 1, fig. 2 and fig. 4 is that the wheel type current collector capable of being automatically heightened mainly comprises an automatic heightening device, a current collecting wheel assembly, a current collecting box and the like. Wherein the collection wheel assembly is arranged in the collection box, and the total number of the collection wheel assemblies is two. The collector box is arranged on the seat plate of the guide rod; the automatic height adjusting device and the automatic adjusting device can be installed on the electric equipment through the hexagon socket head cap screw.
The collecting box is provided with an upper chamber and a lower chamber, and the collecting wheels of the two parts are respectively arranged in the two chambers.
The collecting wheel assembly comprises a U-shaped seat, a collecting wheel, a rotating shaft, a collecting wheel shaft, a copper sheet, a rotary spring and the like.
The automatic height-adjusting device comprises a guide rod, a seat plate, an upper spring, a lower spring and the like.
Example 2
A wheeled collector as shown in figures 1-4, comprising:
the collector box 10 is internally and elastically hinged with a collector wheel assembly 11;
the automatic height adjusting device is characterized in that an elastic lifting guide rod 15 is installed inside the automatic height adjusting device, the free end of the upper portion of the guide rod 15 extends out of the automatic height adjusting device, and the upper end of the guide rod 15 is fixedly connected with the lower surface of the collecting box 10.
The automatic height-adjusting device 9 comprises a hollow cylinder structure, the upper end and the lower end of the cylinder structure are connected with a flange, and a through hole for enabling the guide rod 15 to extend out is formed in the middle of the flange at the upper end.
The through hole forms a clearance fit with the guide rod 15.
The middle part of the guide rod 15 in the barrel structure is provided with a circle of outer convex ring structure used for clamping the spring, the guide rod 15 at the lower part of the outer convex ring is sleeved with a lower spring 13, and the guide rod 15 at the upper part of the outer convex ring is sleeved with an upper spring 14.
The upper end of the upper spring 14 is clamped on the lower side surface of the upper end flange plate, and the lower end of the lower spring is clamped on the upper surface of the lower end flange plate.
At least one group of current collecting assemblies is longitudinally arranged in the current collecting box 10, and each group of current collecting assemblies comprises two current collecting wheel assemblies 11 which are hinged in the corresponding groove positions in parallel.
The current collection wheel assembly 11 comprises a U-shaped frame 18 fixed in a corresponding groove of the current collection box 10; the U-shaped frame is rotatably connected with two copper sheets 21 through a pin shaft 20 and a torsion spring 24, and the free ends of the two copper sheets 21 are rotatably connected with a current collecting wheel 23 through a current collecting wheel shaft 22.
The device comprises a track 4, wherein a wire groove 6 is fixed at the lower part of the track 4, and a current collecting wheel 23 in a wheel type current collector is in contact with a sliding contact wire in the wire groove 6.
The current collector assembly comprises a supporting seat 1 of a U-shaped structure, the wire groove 6 is inserted in the supporting seat 1, the upper end of the supporting seat 1 is connected with a horizontal table extending towards the center, a rotary clamping wheel is mounted on the horizontal table, and the two clamping wheels clamp the vertical connecting part in the track 4 in the middle.
The lower surface of the wheel type current collector is fixed on the bottom surface of the supporting seat 1, the wire groove 6 is of an inverted U-shaped structure, two vertical parts at the lower part of the wire groove extend towards the center to form a horizontal waterproof brush 8, and the waterproof brush 8 is in contact fit with the automatic height adjusting device 9.
Example 3
The invention has two parts of collecting wheels mounted on the collecting box, the trolley line can adopt a multi-groove structure according to the difference of wiring form, voltage and the like, a plurality of collecting wheel forms are correspondingly needed, a plurality of collecting wheel mounting chambers are required on the collecting box, and multi-pole power supply can be realized. This alternative is intended to be included within the scope of the present invention.
Example 4
The invention adopts the wheel type current collector with double spring guide rods, and the upper spring and the lower spring are arranged in the wheel type current collector, so that the automatic height adjustment of the current collecting wheel can be realized. The wheel type current collector with a single spring guide rod can also be adopted, the single spring guide rod is arranged in the middle of the current collecting box, so that the stress is uniform, and an auxiliary rod without a spring is also arranged to prevent the current collector from rotating so as to ensure the relative position of the current collector and the wire groove; the single spring guide rod can also be made into a square structure, so that the collector can not rotate automatically when being automatically adjusted to be high only by one guide rod.
Example 5
A wheel-type current collector able to be automatically heightened is composed of a current collecting box, two current collecting wheel assemblies, and a partition between two current collecting wheels. The U-shaped seat of the current collecting wheel is connected to the current collecting box through bolts, the rotary spring, the current collecting wheel shaft and the copper sheet are connected to the U-shaped seat through the pin shaft, and the current collecting wheel is connected to the U-shaped seat through the current collecting wheel shaft.
The current collecting box of the current collector is divided into two chambers, two current collecting wheel assemblies are arranged in the two chambers of the current collecting box, and the two current collecting wheels are separated by a partition plate.
The current collector wheel part of the current collector is connected to the current collecting box in a bolt connection mode through the U-shaped seat, and the wiring of the current collector is located at the screw connection position.
The rotary spring, the current collecting wheel shaft and the copper sheet of the current collecting wheel part are arranged on the U-shaped seat in a mode of pin shaft connection, and the pin shaft is limited by the elastic check ring for the shaft. Their positions are: the rotary spring is arranged in the middle of the U-shaped seat, the two copper sheets are respectively arranged on the outer sides of the two connecting rods, and the rotary spring, the current collecting wheel and the copper sheets are all arranged in the groove of the U-shaped seat.
The other ends of the two connecting rods and the two copper sheets are connected with the current collecting brush between the two connecting rods and the two copper sheets in a pin shaft connection mode, and the pin shaft is limited by the elastic retainer ring for the shaft. The copper sheet is bent at the position to wrap the connecting rod, so that the copper sheet is in direct contact with the current collecting brush.
The current collecting brush, the connecting rod and the copper sheet of the current collecting wheel part are kept on the U-shaped seat through the torque of the torsion spring, and the current collecting brush, the connecting rod and the copper sheet can rotate around a pin shaft of the U-shaped seat under the condition that the external torque is larger than the keeping torque of the torsion spring.
The copper sheets between the current collecting brush and the connecting rod and between the U seat and the connecting rod play a good role in conducting electricity.
Example 6
As shown in fig. 1, a wheel-type current collector capable of automatic height adjustment, the current collector and the trolley line need to be arranged in a closed slot, the current collector moves in the slot in a narrow space, the slot is arranged on a guide rail, the guide rail surrounds a building for a circle, and the guide rail and the slot have a bend angle with a smaller radius in some places due to irregular peripheral shape of the building; the sliding contact line is not smooth due to installation reasons, and the current collector can be well contacted with the sliding contact line due to the rebounding structure and the automatic height adjusting device of the current collector, so that the current collector can continuously supply power.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A wheeled current collector, comprising:
the collector box (10) is internally and elastically hinged with a collector wheel assembly (11);
the automatic height adjusting device is characterized in that an elastic lifting guide rod (15) is installed inside the automatic height adjusting device, the free end of the upper portion of the guide rod (15) extends out of the automatic height adjusting device, and the upper end of the guide rod (15) is fixedly connected with the lower surface of the collecting box (10).
2. The wheel collector of claim 1, wherein the automatic height-adjusting device (9) comprises a hollow cylindrical structure, the upper end and the lower end of the cylindrical structure are connected with flanges, and the middle part of the flange at the upper end is provided with a through hole for extending the guide rod (15).
3. A wheeled collector according to claim 2, characterised in that the through-hole forms a clearance fit with the guide rod (15).
4. The wheel type current collector of claim 2, wherein the middle part of the guide rod (15) in the cylinder structure is provided with a circle of outer convex ring structure for clamping the spring, the guide rod (15) at the lower part of the outer convex ring is sleeved with the lower spring (13), and the guide rod (15) at the upper part of the outer convex ring is sleeved with the upper spring (14).
5. The wheel collector as claimed in claim 4, wherein the upper end of said upper spring (14) is engaged with the underside of the upper flange, and the lower end of said lower spring is engaged with the upper surface of the lower flange.
6. A wheeled collector according to claim 1, characterised in that at least one set of collector assemblies is longitudinally arranged in the collector box (10), each set of collector assemblies comprising two collector wheel assemblies (11) hinged side by side in corresponding slots.
7. A wheeled current collector according to claim 1, characterised in that the current collector wheel assembly (11) comprises a U-shaped frame (18) fixed in a corresponding slot of the current collector box (10); the U-shaped frame is rotatably connected with two copper sheets (21) through a pin shaft (20) and a torsion spring (24), and the free ends of the two copper sheets (21) are rotatably connected with a current collecting wheel (23) through a current collecting wheel shaft (22).
8. Collector assembly, using a wheeled collector according to any of the preceding claims, characterised in that it comprises a rail (4), in the lower part of which rail (4) a wire channel (6) is fixed, and in that the collector wheel (23) of the wheeled collector is in contact with a trolley wire in the wire channel (6).
9. The assembly according to claim 8, characterized in that the assembly comprises a U-shaped support (1), the wire groove (6) is inserted into the support (1), the upper end of the support (1) is connected with two centrally extending horizontal platforms, and the horizontal platforms are provided with rotating clamping wheels, and the two clamping wheels clamp the vertical connection part in the track (4).
10. The collector assembly according to claim 9, wherein the lower surface of the wheel collector is fixed on the bottom surface of the support base (1), the wire groove (6) is of an inverted U-shaped structure, two vertical parts at the lower part of the wire groove extend towards the center to form a horizontal waterproof brush (8), and the waterproof brush (8) is in contact fit with the automatic height-adjusting device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020179180.5U CN212098447U (en) | 2020-02-17 | 2020-02-17 | Wheeled collector and collector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020179180.5U CN212098447U (en) | 2020-02-17 | 2020-02-17 | Wheeled collector and collector assembly |
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| Publication Number | Publication Date |
|---|---|
| CN212098447U true CN212098447U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020179180.5U Active CN212098447U (en) | 2020-02-17 | 2020-02-17 | Wheeled collector and collector assembly |
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| CN (1) | CN212098447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267625A (en) * | 2020-02-17 | 2020-06-12 | 上海雅跃智能科技有限公司 | Wheeled collector and collector assembly |
| CN115805813A (en) * | 2022-12-21 | 2023-03-17 | 中铁二院工程集团有限责任公司 | Current collector of embedded third rail power supply system and third rail |
-
2020
- 2020-02-17 CN CN202020179180.5U patent/CN212098447U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267625A (en) * | 2020-02-17 | 2020-06-12 | 上海雅跃智能科技有限公司 | Wheeled collector and collector assembly |
| CN115805813A (en) * | 2022-12-21 | 2023-03-17 | 中铁二院工程集团有限责任公司 | Current collector of embedded third rail power supply system and third rail |
| CN115805813B (en) * | 2022-12-21 | 2024-04-26 | 中铁二院工程集团有限责任公司 | Current collector of embedded third rail power supply system and third rail |
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