Adjustable torque increasing brake

Abstract

The utility model relates to the technical field of brakes, in particular to an adjustable torque increasing brake which comprises a coil seat, an armature is arranged on one side of the coil seat, a first groove is formed in the side, close to the armature, of the coil seat, an electromagnetic coil is arranged in the first groove, a second groove is formed in one side of the first groove, and a spring is arranged in the second groove. A mounting flange is arranged on the side, away from the coil base, of the armature, a plurality of supporting plates are arranged between the mounting flange and the armature, the supporting plates, the mounting flange, the armature and the coil base are connected through connecting pieces, a rotary friction flange is arranged between every two adjacent supporting plates, and friction plates are arranged between the rotary friction flanges and the supporting plates. The number of the rotary friction flanges 7 is two. According to the utility model, the structure is novel, the adjustable screw is adopted to ensure the gap, when the gap is enlarged, the gap can be reduced through the adjustable screw, the service life of the brake is prolonged, and the purpose of increasing the torque is achieved by adopting a plurality of rotary friction flanges and four friction surfaces.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake technology field, concretely is a kind of adjustable increased torque brake. BACKGROUND

[0002] Spring-pressurized electromagnetic brake is a kind of brake device combined spring and electromagnetic principle, it is often used in the mechanical system requiring fast response and reliable braking. This brake uses electromagnetic force to release or apply pressure, while spring provides braking force when there is no electromagnetic effect. Spring-pressurized electromagnetic brake is widely used in automation equipment, transmission system, machine tool, wind power equipment and other fields. Spring-pressurized electromagnetic brake exerts pressure on armature through spring, acts on rotating friction flange, thereby generating braking torque. By energizing electromagnetic coil, electromagnetic force is generated to attract armature back, thereby releasing the brake.

[0003] The existing brake has only one rotating friction flange, and the friction surface has only two surfaces. The friction surface will wear out with use, shortening the overall service life, affecting the braking performance and the safety of the equipment, and reducing the torque. It is low in practicability and is not conducive to people's use. In view of the problems of the related art, no solution has been proposed. SUMMARY

[0004] In view of the problems in the related art, the utility model provides an adjustable increased torque brake to overcome the above technical problems existing in the prior art. The utility model aims to use adjustable screws to ensure the gap. When the gap becomes larger, the gap can be reduced by the adjustable screws to increase the service life of the brake. A plurality of rotating friction flanges are used, and the friction surface has four surfaces to increase the torque.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an adjustable increased torque brake, comprising a coil seat, one side of the coil seat is provided with an armature, a recess one is formed on the side of the coil seat close to the armature, an electromagnetic coil is arranged in the recess one, a recess two is arranged on one side of the recess one, a spring is arranged in the recess two, an installation flange is arranged on the side of the armature away from the coil seat, a plurality of support plates are arranged between the installation flange and the armature, the support plates, the installation flange, the armature and the coil seat are connected by connecting pieces, rotating friction flanges are arranged between adjacent two support plates, friction plates are arranged between the rotating friction flanges and the support plates, the rotating friction flanges are provided with two, the support plates are provided with three, and the friction plates are provided with four.

[0006] Preferably, the connecting piece comprises a fixing screw and an adjustable screw, one end of the adjustable screw is connected with the mounting flange, the other end of the adjustable screw penetrates the support plate and the armature in sequence and extends to the inside of the coil seat, one end of the fixing screw is arranged on one side of the coil seat, the other end of the fixing screw penetrates the coil seat, the adjustable screw and the mounting flange in sequence and extends to the outside of the mounting flange.

[0007] Preferably, the fixing screw is threadedly connected with the adjustable screw and the mounting flange respectively.

[0008] Preferably, the adjustable screw is slidably connected with the support plate and the armature respectively.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] The utility model discloses a kind of adjustable increased torque brakes, and electromagnetic force is generated by electromagnetic coil energization, attract armature to coil seat movement, release can rotate by rotating friction flange, when electromagnetic coil is de-energized, lose electromagnetic force, armature restores original position under the use of spring, rotating friction flange is jammed, reach braking effect, adopt adjustable screw to ensure clearance, when clearance is larger, clearance can be reduced by adjustable screw, increase brake service life, adopt multiple rotating friction flanges, and friction surface is 4, to reach the purpose of increasing torque. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is sectional structure schematic view of the utility model.

[0012] In the figure, 1, coil seat;2, armature;3, electromagnetic coil;4, spring;5, mounting flange;6, support plate;7, rotating friction flange;8, friction plate;9, fixing screw;10, adjustable screw. DETAILED DESCRIPTION

[0013] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model.

[0014] EMBODIMENT

[0015] Please refer to Figure 1The utility model provides a technical scheme of adjustable big torque brake: an adjustable big torque brake, including coil seat 1, specifically, coil seat 1 plays the role of supporting electromagnet coil 3, one side of coil seat 1 is provided with armature 2, specifically, armature 2 (also called iron core, core) is the iron part for concentrating or guiding magnetic line, usually is made of soft magnetic material (such as silicon steel sheet, iron powder, iron alloy etc.), recess one is set up in the side of coil seat 1 close to armature 2, the inside of recess one is provided with electromagnet coil 3, specifically, electromagnet coil 3 is a coil by wire (usually copper wire) winding, can produce magnetic field through energization, one side of recess one is provided with recess two, the inside of recess two is provided with spring 4, the side of armature 2 away from coil seat 1 is provided with mounting flange 5, a plurality of support plates 6 are set between mounting flange 5 and armature 2, support plate 6, mounting flange 5, armature 2 and coil seat 1 are connected through connecting piece, the adjacent two support plate 6 are provided with rotary friction flange 7, the rotary friction flange 7 and support plate 6 are provided with friction plate 8, specifically, friction plate 8 is to realize power transmission, deceleration or braking by friction, rotary friction flange 7 is provided with two, support plate 6 is provided with three, friction plate 8 is provided with four.

[0016] Please refer to Figure 1 As shown in further, the connecting piece includes fixed screw 9 and adjustable screw 10, one end of adjustable screw 10 is connected with mounting flange 5, the other end of adjustable screw 10 is in sequence threaded through support plate 6 and armature 2 and extends to the inside of coil seat 1, one end of fixed screw 9 is set on one side of coil seat 1, the other end of fixed screw 9 is in sequence threaded through coil seat 1, adjustable screw 10 and mounting flange 5 and extends to the outside of mounting flange 5.

[0017] Please refer to Figure 1 As shown in further, the fixed screw 9 is respectively screwed with adjustable screw 10 and mounting flange 5.

[0018] In the embodiment, it is convenient to install and dismount, and is favorable to the maintenance and overhaul in later period.

[0019] Please refer to Figure 1 As shown in further, the adjustable screw 10 is respectively slidably connected with support plate 6 and armature 2.

[0020] In the embodiment, support plate 6 and armature 2 can move on adjustable screw 10.

[0021] The working principle of the utility model:

[0022] When the electromagnetic coil 3 is powered, electromagnetic force is generated, the armature 2 is attracted to the coil seat 1 and moves, the rotary friction flange 7 is released and can rotate, when the electromagnetic coil 3 is powered off, the electromagnetic force is lost, the armature 2 is restored to the original position under the action of the spring 4, the rotary friction flange 7 is locked, and the braking effect is achieved.

[0023] In the description of the utility model, it is understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In the utility model, unless otherwise expressly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise expressly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the ordinary skilled in the art according to the specific situation.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable torque-up brake, characterized in that The utility model provides a coil seat (1) is provided with armature (2) on one side, is provided with recess one in the side of coil seat (1) close to armature (2), is provided with electromagnetic coil (3) in the inside of recess one, is provided with recess two on the side of recess one, is provided with spring (4) in the inside of recess two, is provided with mounting flange (5) on the side of armature (2) away from coil seat (1), be provided with a plurality of support plate (6) between mounting flange (5) and armature (2), support plate (6), mounting flange (5), armature (2) and coil seat (1) are connected through connecting piece, be provided with rotary friction flange (7) between adjacent two support plate (6), be provided with friction plate (8) between rotary friction flange (7) and support plate (6), rotary friction flange (7) are provided with two, support plate (6) are provided with three, friction plate (8) are provided with four.

2. A tunable over-torque brake according to claim 1, wherein: The connecting piece includes fixing screw (9) and adjustable screw (10), one end of the adjustable screw (10) is connected with the mounting flange (5), the other end of the adjustable screw (10) penetrates the support plate (6) and the armature (2) in sequence and extends to the inside of the coil seat (1), one end of the fixing screw (9) is arranged on the side of the coil seat (1), the other end of the fixing screw (9) penetrates the coil seat (1), the adjustable screw (10) and the mounting flange (5) in sequence and extends to the outside of the mounting flange (5).

3. A torque multiplier brake according to claim 2, wherein: The fixing screw (9) is threadedly connected with the adjustable screw (10) and the mounting flange (5) respectively.

4. The adjustable torque multiplier brake of claim 2, wherein: The adjustable screw (10) is slidingly connected with the support plate (6) and the armature (2) respectively. The fixing screw (9) is threadedly connected with the adjustable screw (10) and the mounting flange (5) respectively. The adjustable screw (10) is slidingly connected with the support plate (6) and the armature (2) respectively.

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