CN217354733U - Retarding device - Google Patents
Retarding device Download PDFInfo
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- CN217354733U CN217354733U CN202123439029.4U CN202123439029U CN217354733U CN 217354733 U CN217354733 U CN 217354733U CN 202123439029 U CN202123439029 U CN 202123439029U CN 217354733 U CN217354733 U CN 217354733U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model relates to a mechanical transmission technical field, concretely relates to retarder. This retarder includes: the sealing assembly, the stator, the rotor assembly and the medium conveying assembly; a sealing cavity is arranged in the sealing assembly; the stator is arranged in the sealing assembly and is connected with the sealing assembly; the rotor assembly penetrates through the sealing assembly and the stator simultaneously, and is in rotating connection with the sealing assembly; the medium conveying assembly inputs liquid or air into the sealing assembly; and an orifice is arranged at the liquid outlet of the sealing assembly, when the medium conveying assembly conveys liquid into the sealing assembly, the liquid is gradually pushed to the position near the liquid outlet along with the rotation of the rotor assembly, and high pressure appears under the throttling action of the orifice, so that flow resistance is generated to convert mechanical energy into heat energy. And an electromagnetic induction component is not required to be additionally arranged, so that the energy-saving effect is remarkable.
Description
Technical Field
The utility model relates to a mechanical transmission technical field, concretely relates to retarding device.
Background
Urban road intersections are many, bus stops are dense, passenger flow is large, and buses are frequently braked; the mountain roads are steep and have many sharp bends, and medium and large trucks and buses running on the mountain road section for a long time also need to be braked frequently.
Under the condition of long-time frequent work, the brake shoes are quickly worn, the service life of the brake friction plates is short, and the loss of braking force or great reduction of braking performance is caused by the heat fading of the brake, which also becomes the main cause of traffic accidents. Therefore, it is necessary to equip an auxiliary braking system.
The retarder is used as an auxiliary braking component of the vehicle, reduces the load of the braking system of the original vehicle by acting on the transmission system of the original vehicle, enables the vehicle to uniformly decelerate, improves the reliability of the braking system of the vehicle, prolongs the service life of the braking system, and can greatly reduce the use cost of the vehicle.
At present, a common eddy current retarder needs to be equipped with a powerful electromagnetic induction device, and is large in size, heavy in machine body, large in power consumption, greatly influenced by ambient temperature, and inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses (one) the technical problem that solve is: when the conventional retarder brakes at a slow speed, the component to be slowed down does work reversely, so that the consumed energy is extremely high; the utility model provides a retarber device utilizes the mechanical energy drive rotor subassembly of waiting to retard part self, and the rotor subassembly turns into the pressure potential energy of liquid with mechanical energy, and then converts into heat energy under the cooperation of orifice, plays the effect of retarding braking, need not additionally to provide the energy.
(II) technical scheme
In order to solve the technical problem, an embodiment of the utility model provides an aspect provides a retarder, include: the sealing assembly, the stator, the rotor assembly and the medium conveying assembly are arranged on the rotor;
a sealing cavity is arranged in the sealing assembly;
the stator is arranged in the sealing assembly and is connected with the sealing assembly;
the rotor assembly penetrates through the sealing assembly and the stator simultaneously, and is in rotating connection with the sealing assembly;
the medium conveying assembly inputs liquid or air into the sealing assembly;
the external part to be retarded is in transmission connection with a rotor assembly penetrating through the sealing assembly;
a liquid inlet and a liquid outlet are formed in the sealing assembly, the medium conveying assembly is connected with the liquid inlet of the sealing assembly, the stator and the rotor assembly form a displacement pump in the sealing cavity, and a throttling hole is formed in the liquid outlet;
when the medium conveying assembly conveys liquid into the sealing assembly, the liquid is gradually pushed to the vicinity of a liquid outlet along with the rotation of the rotor assembly, and high pressure appears under the throttling action of the throttling hole, so that flow resistance is generated to convert mechanical energy into heat energy;
when the medium conveying assembly conveys air into the sealing assembly, the retarding operation is finished.
In an alternative embodiment, the volumetric pump combined by the stator and the rotor assembly is a progressive cavity pump.
In an alternative embodiment, the screw pump is a single screw pump, a twin screw pump or a multiple screw pump.
In an alternative embodiment, the screw pump has an inlet port and an outlet port; or the like, or, alternatively,
the screw pump is provided with two liquid inlets and a liquid outlet.
In an alternative embodiment, the rotor assembly includes a helical rod extending through the stator, the helical rod being rotatably connected at both ends to the seal assembly.
In an alternative embodiment, a spiral channel (similar to a DNA chain, an elongated knob channel) is formed in the stator, the extension direction of the spiral channel is the same as the extension direction of the spiral rod, the cross section of the spiral channel in the length direction is an elongated shape, the width of the elongated shape is the same as the diameter of the spiral rod, and the length of the elongated shape is larger than the diameter of the spiral rod; a gap between the screw rod and the stator forms a working cavity, the working cavity is gradually close to the liquid outlet along with the rotation of the screw rod, and a new working cavity is continuously formed at the liquid inlet;
the working cavity is provided with an opening when the liquid inlet begins to generate, liquid guided by the medium conveying assembly is contained, and the liquid is gradually pushed to the liquid outlet along with the moving working cavity.
In an optional embodiment, the rotor assembly further comprises a linkage shaft and a universal joint, wherein two of the linkage shaft and two of the universal joint are respectively arranged at two ends of the spiral rod; the universal joint is arranged between the linkage shaft and the spiral rod.
In an alternative embodiment, a sealing bearing is arranged at the joint of the linkage shaft and the sealing assembly.
In an alternative embodiment, the fluid delivered by the media delivery assembly is a viscous fluid that seals at least a 0.08mm gap.
In an optional embodiment, the sealing assembly is provided with a liquid inlet and a liquid outlet, and the liquid inlet is communicated with the medium conveying assembly;
the caliber of the liquid inlet is larger than that of the liquid outlet.
The utility model has the advantages that:
the utility model provides a pair of retarding device, include: the sealing assembly, the stator, the rotor assembly and the medium conveying assembly; a sealing cavity is arranged in the sealing assembly; the stator is arranged in the sealing assembly and is connected with the sealing assembly; the rotor assembly penetrates through the sealing assembly and the stator simultaneously, and is in rotating connection with the sealing assembly; the medium conveying assembly inputs liquid or air into the sealing assembly; the external part to be retarded is in transmission connection with a rotor assembly penetrating through the sealing assembly; a liquid inlet and a liquid outlet are formed in the sealing assembly, the medium conveying assembly is connected with the liquid inlet of the sealing assembly, the stator and the rotor assembly form a displacement pump in the sealing cavity, and a throttling hole is formed in the liquid outlet; when the medium conveying assembly conveys liquid into the sealing assembly, the liquid is gradually pushed to the vicinity of a liquid outlet along with the rotation of the rotor assembly, and high pressure appears under the throttling action of the throttling hole, so that flow resistance is generated to convert mechanical energy into heat energy; when the medium conveying assembly conveys air into the sealing assembly, the retarding operation is finished.
The utility model provides a retarding device, through the rotor drive liquid flow, and then make liquid and rotor and stator form the displacement pump between, set up the orifice in displacement pump liquid outlet department, the orifice cooperates the displacement pump infusion effect to form high pressure in liquid outlet department, and then produce the flow resistance and turn into partial mechanical energy heat energy and reach the retarding effect; when the speed is not needed to be slowed down, the medium conveying assembly is used for intercepting liquid to enter the sealing assembly, and then air is input into the sealing assembly. The electromagnetic induction device is not needed to additionally provide braking force, the structure is simple, the energy consumption is effectively reduced, and the device has obvious advantages compared with the existing similar rotating speed devices. The half shaft is skillfully used as a screw of a single screw or a driving screw of a double screw, and the differential case is used as an oil storage chamber to form part of braking force, so that the use frequency during active deceleration is reduced, and the service life is prolonged. The retarder arranged behind the gearbox can be powered down.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 is a schematic sectional view of a retarder according to an embodiment of the present invention.
Icon: 1-a sealing assembly; 11-axle housing; 12-a sealed bearing; 13-a liquid inlet; 14-a liquid outlet;
2-a stator;
3-a rotor assembly; 31-a linkage shaft; 32-universal joint; 33-screw rod.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understandable, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description, and the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a retarder device, including: the sealing assembly 1, the stator 2, the rotor assembly 3 and the medium conveying assembly;
a sealing cavity is arranged in the sealing component 1;
the stator 2 is arranged in the sealing component 1 and is connected with the sealing component 1;
the rotor assembly 3 penetrates through the sealing assembly 1 and the stator 2 at the same time, and the rotor assembly 3 is connected with the sealing assembly 1 in a rotating mode;
the medium conveying assembly inputs liquid or air into the sealing assembly 1;
the external part to be retarded is in transmission connection with a rotor assembly 3 penetrating through the sealing assembly 1;
a liquid inlet 13 and a liquid outlet 14 are formed in the sealing assembly 1, the medium conveying assembly is connected with the liquid inlet 13 of the sealing assembly 1, the stator 2 and the rotor assembly 3 form a displacement pump in the sealing cavity, and a throttling hole is formed in the liquid outlet 14;
when the medium conveying assembly conveys liquid into the sealing assembly 1, the liquid is gradually pushed to the vicinity of the liquid outlet 14 along with the rotation of the rotor assembly 3, and high pressure appears under the throttling action of the throttling hole, so that flow resistance is generated to convert mechanical energy into heat energy;
when the medium transporting assembly transports air into the sealing assembly 1, the retarding operation is finished.
The utility model provides a retarding device drives liquid through the rotor and flows, and then forms the displacement pump between liquid and rotor and stator 2, sets up the orifice in displacement pump discharge outlet 14 department, and the orifice cooperates the displacement pump to carry out the liquid effect and forms the high pressure in discharge outlet 14 department, and then produces the flow resistance and turns into partial mechanical energy heat energy and reach the retarding effect; when the speed is not needed to be slowed down, the medium conveying assembly is used for intercepting liquid from entering the sealing assembly 1, and then air is input into the sealing assembly 1. The electromagnetic induction device is not needed to additionally provide braking force, the structure is simple, the energy consumption is effectively reduced, and the electromagnetic induction device has obvious advantages compared with the existing similar rotating speed devices. The half shaft is skillfully utilized as a screw rod of a single screw rod or a driving screw rod of a double screw rod, and the differential case is utilized as an oil storage cavity to form part of braking force so as to reduce the use frequency during active deceleration and prolong the service life. The retarder arranged behind the gearbox can be powered down.
As an optional embodiment of the present invention, the displacement pump formed by combining the stator 2 and the rotor assembly 3 is a screw pump.
Wherein the screw pump is a single screw pump, a double screw pump or a multi-screw pump.
The screw pump has an inlet port 13 and an outlet port 14.
Specifically, the rotor assembly 3 includes a screw rod 33, the screw rod 33 penetrates through the stator 2, and two ends of the screw rod 33 are rotatably connected to the sealing assembly 1.
A spiral channel (similar to a DNA chain and a long strip-shaped knob channel) is formed in the stator 2, the extending direction of the spiral channel is the same as that of the spiral rod 33, the cross section of each part of the spiral channel in the length direction is a long strip, the width of each long strip is the same as the diameter of the spiral rod 33, and the length of each long strip is larger than the diameter of the spiral rod 33; a working cavity is formed in a gap between the screw rod 33 and the stator 2, the working cavity is gradually close to the liquid outlet 14 along with the rotation of the screw rod 33, and a new working cavity is continuously formed at the liquid inlet 13; the working chamber has an opening at the beginning of the creation at the inlet 13 for receiving the liquid introduced by the medium transport module, which is gradually pushed to the outlet 14 with the moving working chamber.
The rotor assembly 3 further comprises a linkage shaft 31 and a universal joint 32, wherein two linkage shafts 31 and two universal joints 32 are respectively arranged at two ends of the spiral rod 33; the linkage shaft 31 is rotatably connected with the sealing assembly 1, and the universal joint 32 is arranged between the linkage shaft 31 and the spiral rod 33. And a sealing bearing 12 is arranged at the joint of the linkage shaft 31 and the sealing assembly 1.
Specifically, a vehicle drive axle is taken as a part of the sealing assembly 1, and the stator 2 and the rotor assembly 3 are arranged in the axle housing 11; stator 2 is connected with axle housing 11, rotor subassembly 3 is connected with axle shaft rotation, high viscosity oil or air are exported to the medium conveying assembly, and when the vehicle needs the slow operation, the mechanical energy part that the axle shaft transmitted rotor subassembly 3 is converted into the heat energy of high viscosity oil, and the drive axle is directly arranged in to high viscosity oil promptly and is carried out the slow operation. Because the stator 2 and rotor subassembly 3 all sets up in the seal assembly 1 (in axle housing 11 promptly), with the simple structure of highly cooperating of transaxle self structure, overall arrangement compactness, very big reduction the shared additional space of retarding equipment.
Specifically, the interior of the sealing assembly 1 is switched to a liquid state from air, liquid is continuously introduced into the liquid inlet 13, so that the air in the sealing assembly 1 can be emptied under the operation of the screw pump, and a gas-liquid separator can be arranged in a liquid circulation pipeline in consideration of the fact that the working liquid needs to be recycled. When the slowing operation is finished, air is continuously introduced into the liquid inlet 13 of the sealing component 1, and liquid can be emptied under the operation of the screw pump.
As an optional embodiment of the present invention, a sealing bearing 12 is disposed at a connection position of the linkage shaft 31 and the sealing assembly 1; the liquid conveyed by the medium conveying assembly is viscous liquid, and the viscous liquid at least forms a seal for a gap of 0.08 mm; the transmission performance and the sealing effect can be effectively guaranteed through the matching of the sealing bearing 12 and the viscous liquid; in addition, the thick liquid is preferably high-temperature-resistant lubricating oil, so that the smoothness of mechanical operation can be further ensured.
As an optional embodiment of the present invention, the sealing assembly 1 is provided with a liquid inlet 13 and a liquid outlet 14, and the liquid inlet 13 is communicated with the medium conveying assembly;
the aperture of the liquid inlet 13 is larger than that of the liquid outlet 14.
Specifically, as the utility model discloses an embodiment, seal assembly 1, stator 2 and rotor subassembly 3 adopt the form of screw pump, the pressure quilt of the liquid of 1 liquid outlet 14 of seal assembly 2 and 3 reinforcing of rotor subassembly, for the guarantee seal assembly 1's the liquid supply volume is sufficient, enlarges inlet 13 and handles, and wherein the diameter of inlet 13 is 2-3 times of the 14 diameters of liquid outlet.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A retarder device, comprising: the device comprises a sealing assembly (1), a stator (2), a rotor assembly (3) and a medium conveying assembly;
a sealing cavity is arranged in the sealing component (1);
the stator (2) is arranged in the sealing assembly (1) and is connected with the sealing assembly (1);
the rotor assembly (3) penetrates through the sealing assembly (1) and the stator (2) at the same time, and the rotor assembly (3) is connected with the sealing assembly (1) in a rotating mode;
the medium conveying assembly inputs liquid or air into the sealing assembly (1);
the external part to be retarded is in transmission connection with a rotor component (3) penetrating through the sealing component (1);
the sealing assembly (1) is provided with a liquid inlet (13) and a liquid outlet (14), the medium conveying assembly is connected with the liquid inlet (13) of the sealing assembly (1), the stator (2) and the rotor assembly (3) form a volume pump in the sealing cavity, and a throttling hole is formed in the liquid outlet (14).
2. Retarder device according to claim 1, characterised in that the positive-displacement pump in which the stator (2) and the rotor assembly (3) are combined is a progressive cavity pump.
3. The retarder device of claim 2, wherein the screw pump is a single screw pump, a twin screw pump, or a multi-screw pump.
4. Retarder device according to claim 2, wherein the screw pump has an inlet (13) and an outlet (14); or the like, or, alternatively,
the screw pump has two or more liquid inlets (13) and a liquid outlet (14).
5. Retarder device according to claim 1, characterised in that the rotor assembly (3) comprises a screw rod (33), the screw rod (33) extending through the stator (2), the screw rod (33) being rotatably connected at both ends to the sealing assembly (1).
6. A retarder device according to claim 5, characterised in that a helical channel is formed in the stator (2), the extension direction of the helical channel is the same as the extension direction of the helical rod (33), the cross section of the helical channel in the length direction is a strip, the width of the strip is the same as the diameter of the helical rod (33), and the length of the strip is larger than the diameter of the helical rod (33); a working cavity is formed in a gap between the screw rod (33) and the stator (2), the working cavity is gradually close to the liquid outlet (14) along with the rotation of the screw rod (33), and a new working cavity is continuously formed at the liquid inlet (13);
the working cavity is provided with an opening when the liquid inlet (13) begins to generate, liquid introduced by the medium conveying assembly is received, and the liquid is gradually pushed to the liquid outlet (14) along with the moving working cavity.
7. The retarder device according to claim 5, wherein the rotor assembly (3) further comprises a linkage shaft (31) and a universal joint (32), two of the linkage shaft (31) and two of the universal joint (32) are respectively arranged at two ends of the spiral rod (33); the universal joint is characterized in that the linkage shaft (31) is rotationally connected with the sealing assembly (1), and the universal joint (32) is arranged between the linkage shaft (31) and the spiral rod (33).
8. A retarder device according to claim 7, characterised in that a sealed bearing (12) is provided at the junction of the linkage shaft (31) and the seal assembly (1).
9. The retarder device of claim 1, wherein the fluid delivered by the media delivery assembly is a viscous fluid that forms a seal against at least a 0.08mm gap.
10. The retarding device according to claim 3, wherein the sealing member (1) has a liquid inlet (13) and a liquid outlet (14), the liquid inlet (13) being in communication with the medium conveying member;
the caliber of the liquid inlet (13) is larger than that of the liquid outlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439029.4U CN217354733U (en) | 2021-12-31 | 2021-12-31 | Retarding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439029.4U CN217354733U (en) | 2021-12-31 | 2021-12-31 | Retarding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217354733U true CN217354733U (en) | 2022-09-02 |
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ID=83041546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123439029.4U Active CN217354733U (en) | 2021-12-31 | 2021-12-31 | Retarding device |
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| Country | Link |
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| CN (1) | CN217354733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151328A (en) * | 2021-12-31 | 2022-03-08 | 富奥汽车零部件股份有限公司 | Retarding device |
-
2021
- 2021-12-31 CN CN202123439029.4U patent/CN217354733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151328A (en) * | 2021-12-31 | 2022-03-08 | 富奥汽车零部件股份有限公司 | Retarding device |
| CN114151328B (en) * | 2021-12-31 | 2024-04-30 | 富奥汽车零部件股份有限公司 | Retarding device |
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