CN220268271U - Electromagnetic brake for driven wheel hub - Google Patents
Electromagnetic brake for driven wheel hub Download PDFInfo
- Publication number
- CN220268271U CN220268271U CN202322067179.XU CN202322067179U CN220268271U CN 220268271 U CN220268271 U CN 220268271U CN 202322067179 U CN202322067179 U CN 202322067179U CN 220268271 U CN220268271 U CN 220268271U
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- armature
- stator
- hub
- electromagnetic brake
- hub body
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- 239000000725 suspension Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The utility model relates to the technical field of electromagnetic brakes, and provides an electromagnetic brake for a driven wheel hub, which comprises a stator and an armature which are axially and sequentially arranged, wherein an electromagnetic coil is embedded in the stator, a return spring is arranged in the stator, the front end of the return spring is connected with one side end face of the armature, and the other side end face of the armature is close to a hub body; the suspension comprises a shaft body and a U-shaped plate, wherein the shaft body is used for penetrating through the middle of the hub body and is rotationally connected with the hub body, two ends of the shaft body are connected with the U-shaped plate, so that the stator, the armature and the hub body are arranged in the U-shaped plate, the stator is arranged on the U-shaped plate, and when the electromagnetic coil is in a power-off state, the armature moves towards one side of the hub body to be in contact. The utility model is applicable to forklift hubs, improves the braking performance of driven wheel hubs and improves the safety of vehicles.
Description
Technical Field
The utility model relates to the technical field of electromagnetic brakes, in particular to an electromagnetic brake for a driven wheel hub.
Background
The electromagnetic brake is a connector for transmitting torque force of the active side to the passive side, can be freely combined, cut off or braked according to the requirement, and has the advantages of compact structure, simplicity in operation, sensitivity in response, long service life, reliability in use, easiness in realization of remote control and the like. Most of the existing vehicle brakes are in a caliper disc type or a drum type, the purpose of braking is achieved through friction brake discs such as brake calipers, however, some hubs cannot be provided with the brake with the structure, when the middle of each hub is sunken, for example, the driven hub of an unmanned forklift is difficult to realize the braking function, and potential safety hazards exist in the operation of the vehicle, so that the design of the electromagnetic brake suitable for the driven hub of the forklift is necessary.
Disclosure of Invention
The utility model aims to provide an electromagnetic brake for a driven wheel hub, which is suitable for a hub with a concave middle part, ensures the braking function and improves the use safety of the hub.
The embodiment of the utility model is realized by the following technical scheme: the electromagnetic brake for the driven wheel hub comprises a stator and an armature which are axially and sequentially arranged, wherein an electromagnetic coil is embedded in the stator, a return spring is arranged in the stator, the front end of the return spring is connected with one side end face of the armature, and the other side end face of the armature is close to a hub body; the suspension comprises a shaft body and a U-shaped plate, wherein the shaft body is used for penetrating through the middle of the hub body and is rotationally connected with the hub body, two ends of the shaft body are connected with the U-shaped plate, so that the stator, the armature and the hub body are arranged in the U-shaped plate, the stator is arranged on the U-shaped plate, and when the electromagnetic coil is in a power-off state, the armature moves towards one side of the hub body to be in contact.
Preferably, the magnetic motor further comprises a guide positioning pin, the guide positioning pin penetrates through one side of the armature and is in sliding connection with the armature, the tail end of the guide positioning pin is inserted into the stator, a connecting screw is arranged on the end face, close to one side of the stator, of the U-shaped plate and is connected with the stator, and the tail end of the connecting screw is screwed into the tail end of the guide positioning pin.
Preferably, the connection screw is mounted to an edge side of the stator.
Preferably, a friction assembly is arranged on the end face of one side of the armature far from the stator, and the armature is in friction contact with the hub body through the friction assembly.
Preferably, the middle parts of the stator and the armature are sequentially provided with a first hollow hole and a second hollow hole.
Preferably, the friction assembly is an annular friction plate, the diameter of the annular friction plate is smaller than that of the armature, and an inner annular hole of the annular friction plate is correspondingly overlapped with a second hollow hole of the armature.
Preferably, the dimensions of the stator and the armature are smaller than the size of the groove opening of the hub body, so that the stator and the armature extend into the hub body.
Preferably, the shaft body is provided with a bearing for being matched with the hub body.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects: according to the utility model, the shaft body of the suspension penetrates through the installed hub, the U-shaped plate is arranged on the hub in a coaxial mode, the stator and the armature are tightly attached to the middle of the hub, when a vehicle needs to run, the electromagnetic coil is electrified, the return spring pulls the armature to be attracted to the stator side, when the power is off, the return spring props the armature to contact with the hub for braking, and the brake is arranged in the concave part of the hub, so that the applicability is high, and the braking safety of a forklift is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the internal structure of an electromagnetic brake for a driven hub according to an embodiment of the present utility model;
figure 2 is a left side view of the electromagnetic brake for the driven wheel hub of the present utility model,
icon: 1-stator, 11-first hollow hole, 2-armature, 21-second hollow hole, 3-electromagnetic coil, 4-return spring, 5-suspension, 51-shaft body, 52-U-shaped plate, 6-guide locating pin, 7-connecting screw, 8-friction subassembly, 9-bearing, 10-wheel hub body.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Examples
1-2, the electromagnetic brake for the driven wheel hub comprises a stator 1 and an armature 2 which are axially and sequentially arranged, wherein an electromagnetic coil 3 is embedded in the stator 1, a return spring 4 is arranged in the stator 1, the front end of the return spring 4 is connected with one side end face of the armature 2, and the other side end face of the armature 2 is close to a hub body 10; the suspension 5, the suspension 5 includes the axle body 51 and U-shaped plate 52, the axle body 51 is used for penetrating the middle part of the hub body 10 and turning and connecting with it, both ends of the axle body 51 are connected with U-shaped plate 52, make stator 1, armature 2 and hub body 10 mount in U-shaped plate 52, the stator 1 is installed on U-shaped plate 52, the armature 2 moves and contacts towards one side of hub body 10 while the electromagnetic coil 3 is in the state of cutting off electricity; specifically, in the use process of the utility model, the shaft body 51 of the electromagnetic brake passes through the middle part of the hub body 10 and is connected with the hub body in a rotating way to realize coaxial installation, the U-shaped plate 52 covers the upper part of the hub body 10, the main body of the brake, namely the stator 1 and the armature 2, are arranged on the inner side of the U-shaped plate 52, so that the armature 2 is close to one side of the hub body 10, when the vehicle needs to normally run, the electromagnetic coil 3 is electrified to enable the armature 2 to be attracted to one side of the stator 1, the return spring 4 is compressed, and when the electromagnetic coil 3 is powered off, the return spring 4 props against the armature 2 to contact the hub to realize braking, and the brake has good applicability to the hub of an unmanned forklift, and adopts disc braking, and has simple structure and large braking torque.
As shown in fig. 1, the embodiment further includes a guiding and positioning pin 6, the guiding and positioning pin 6 passes through from one side of the armature 2 and is connected with the armature in a sliding way, the tail end of the guiding and positioning pin 6 is inserted into the stator 1, a connecting screw 7 is arranged on the end face of the U-shaped plate 52, which is close to one side of the stator 1, and is connected with the stator 1, and the tail end of the connecting screw 7 is screwed into the tail end of the guiding and positioning pin 6; specifically, the stator 1 and the U-shaped plate 52 are firmly connected by uniformly arranging the plurality of connecting screws 7, and the armature 2 can slide back and forth along the guide positioning pin 6, thereby realizing switching between braking and releasing braking.
As shown in fig. 1, the connection screw 7 in the present embodiment is mounted on the edge side of the stator 1; specifically, the connecting screws 7 are staggered from the annular grooves for installing the electromagnetic coil 3, and the stress uniformity of the connecting screws 7 uniformly distributed on the edge side of the stator 1 is good.
In order to improve the braking effect, a friction assembly 8 is arranged on the end face of the armature 2, which is far away from the stator 1, and is in friction contact with the hub body 10 through the friction assembly 8.
The middle parts of the stator 1 and the armature 2 in the embodiment are sequentially provided with a first hollow hole 11 and a second hollow hole 21; specifically, there is a protrusion in the middle of the hub body 10, and the protrusion can extend into the first hollow hole 11 and the second hollow hole 21, and the shaft body 51 is also connected from the first hollow hole 11 and the second hollow hole 21.
It should be noted that the friction assembly 8 adopts an annular friction plate, the diameter of the annular friction plate is smaller than that of the armature 2, and the inner annular hole of the annular friction plate is correspondingly overlapped with the second hollow hole 21 of the armature 2.
For convenient installation, the size of the stator 1 and the armature 2 is smaller than the size of the groove opening of the hub body 10, so that the stator 1 and the armature 2 extend into the hub body 10.
In addition, the shaft body 51 in the present embodiment is mounted with a bearing 9 for engagement with the hub body 10.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. An electromagnetic brake for a driven wheel hub, which is characterized in that: the novel magnetic motor comprises a stator (1) and an armature (2) which are axially and sequentially arranged, wherein an electromagnetic coil (3) is embedded in the stator (1), a return spring (4) is arranged in the stator (1), the front end of the return spring (4) is connected with one side end face of the armature (2), and the other side end face of the armature (2) is close to a hub body (10);
suspension (5), suspension (5) include axis body (51) and U-shaped board (52), axis body (51) are used for passing the middle part of wheel hub body (10) and rotate with it and be connected, the both ends of axis body (51) with U-shaped board (52) are connected, make stator (1), armature (2) and wheel hub body (10) adorn in U-shaped board (52), stator (1) are installed on U-shaped board (52), when solenoid (3) outage state, armature (2) are towards wheel hub body (10) one side removal contact.
2. The electromagnetic brake for a driven hub according to claim 1, wherein: the novel magnetic iron core is characterized by further comprising a guide locating pin (6), wherein the guide locating pin (6) penetrates through one side of the armature (2) and is in sliding connection with the armature, the tail end of the guide locating pin (6) is inserted into the stator (1), a connecting screw (7) is arranged on the end face, close to one side of the stator (1), of the U-shaped plate (52) and is connected with the stator (1), and the tail end of the connecting screw (7) is screwed into the tail end of the guide locating pin (6).
3. The electromagnetic brake for the driven wheel hub according to claim 2, wherein: the connecting screw (7) is mounted on the edge side of the stator (1).
4. The electromagnetic brake for a driven hub according to claim 1, wherein: the armature (2) is far away from the end face of one side of the stator (1) and is provided with a friction assembly (8), and the armature is in friction contact with the hub body (10) through the friction assembly (8).
5. The electromagnetic brake for the driven wheel hub as defined in claim 4, wherein: the middle parts of the stator (1) and the armature (2) are sequentially provided with a first hollow hole (11) and a second hollow hole (21).
6. The electromagnetic brake for a driven hub according to claim 5, wherein: the friction assembly (8) adopts an annular friction plate, the diameter of the annular friction plate is smaller than that of the armature (2), and an inner annular hole of the annular friction plate is correspondingly overlapped with a second hollow hole (21) of the armature (2).
7. The electromagnetic brake for a driven hub according to claim 1, wherein: the size of the stator (1) and the armature (2) is smaller than the size of a groove opening of the hub body (10), so that the stator (1) and the armature (2) extend into the hub body (10).
8. The electromagnetic brake for a driven hub according to claim 1, wherein: the shaft body (51) is provided with a bearing (9) which is matched with the hub body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322067179.XU CN220268271U (en) | 2023-08-02 | 2023-08-02 | Electromagnetic brake for driven wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322067179.XU CN220268271U (en) | 2023-08-02 | 2023-08-02 | Electromagnetic brake for driven wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268271U true CN220268271U (en) | 2023-12-29 |
Family
ID=89297976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322067179.XU Active CN220268271U (en) | 2023-08-02 | 2023-08-02 | Electromagnetic brake for driven wheel hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268271U (en) |
-
2023
- 2023-08-02 CN CN202322067179.XU patent/CN220268271U/en active Active
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