Brake torsion testing mechanism

Abstract

The utility model discloses a brake torsion testing mechanism, which comprises a base, a central shaft and a fixed disc, the central shaft downwards penetrates through the base and is rotatably connected with the base through a plurality of bearings, the base upwards supports the fixed disc and is rotatably connected with the fixed disc, the fixed disc is provided with a plurality of first through holes and a plurality of second through holes, and the first through holes are communicated with the second through holes. The first through holes are designed in the mode that the brake is detachably connected with the fixing disc through the multiple first through holes so that brake gap adjustment can be conveniently carried out. The second through holes are designed in a way that the fixing disc is detachably connected with the base through the second through holes, so that the torsion test of the brake can be conveniently carried out. The device is reasonable in structure and convenient to use, and the working efficiency can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of brake production, specifically is a brake torsion test mechanism. BACKGROUND

[0002] The electromagnetic brake is a kind of connector that transmits the driving side torsion to passive side, can be combined, cut off or braked freely as required, has the advantages of compact structure, simple operation, sensitive response, long service life, reliable use, easy to realize remote control etc..When the electromagnetic brake is installed, the gap between the stator and armature needs to be adjusted to the specified value according to different product requirements, and three adjusting bolts for adjusting the gap are arranged on the stator and armature along the circumference, and the size of the gap is measured by using a feeler gauge during adjustment, as shown in the scheme of a kind of electromagnetic brake gap measuring device with application number 202323109374.0. In production practice, when the gap is measured and adjusted, the electromagnetic brake is sleeved on a fixed shaft on the workbench, to avoid the electromagnetic brake jumping up and down during adjusting the gap, the electromagnetic brake is usually also fixed at the bottom on the workbench, so the staff needs to walk back and forth to adjust the adjusting bolts respectively. In addition, after completing the gap adjustment, torque test is also needed to be carried out by using a torque wrench, to ensure that the initial braking force meets the design requirements, so the brake needs to be removed again and installed on the torque test mechanism, which is time-consuming and laborious. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a kind of brake torsion test mechanism, it solves the technical problem that brake gap adjustment and torsion test are time-consuming and laborious in prior art, with the technical effect that structure is reasonable, convenient to use, and can greatly improve work efficiency. The technical scheme as follows is used:

[0004] A brake torsion test mechanism, including base, center shaft and fixed disc, the center shaft is downward and is connected with the base rotation by multiple bearings, the base supports the fixed disc upwards and is rotatably connected with the fixed disc, the fixed disc is equipped with a plurality of first through holes and a plurality of second through holes, the first through hole is designed as, brake is detachably connected with fixed disc by a plurality of first through holes, to facilitate brake gap adjustment;The second through hole is designed as, the fixed disc is detachably connected with the base by a plurality of second through holes, to facilitate brake torsion test.

[0005] On the basis of the above technical scheme, the base includes base and mounting seat that can be detachably connected, and the base and mounting seat are rotatably connected with the center shaft by bearings respectively, and the fixed disc is sleeved outside the mounting seat.

[0006] On the basis of the above technical scheme, the contact surface section of the mounting seat downward with the base is L-shaped, and the contact surface section of the mounting seat upward with the fixing disc is L-shaped.

[0007] On the basis of the above technical scheme, the first bearing end cover is upward fixed with the base and abuts against the outer ring of the bottom bearing, and the second bearing end cover is downward fixed with the mounting seat and abuts against the outer ring of the top bearing.

[0008] On the basis of the above technical scheme, the center shaft upward extends to the outside of the fixing disc and forms an extension section.

[0009] On the basis of the above technical scheme, the first insert block is embedded on the fixing disc and forms a first through hole, and the second insert block is embedded on the fixing disc and forms a second through hole.

[0010] On the basis of the above technical scheme, the outer wall surface of the first insert block is large downward and small upward to form a shaft shoulder, and the first insert block is transitionally matched with the fixing disc; the outer wall surface of the second insert block is large downward and small upward to form a shaft shoulder, and the second insert block is transitionally matched with the fixing disc.

[0011] On the basis of the above technical scheme, the first insert block and the second insert block adopt a heat treatment process to improve the structural strength.

[0012] On the basis of the above technical scheme, the brake includes an adjusting bolt, the adjusting bolt can downward extend into the first through hole to connect the fixing disc, the shell of the brake and the armature; the base is provided with a plurality of blind holes corresponding to the positions of the second through holes, a pin shaft can pass through the second through hole and extend into the blind hole to connect the fixing disc and the base.

[0013] Beneficial effects

[0014] The utility model discloses a reasonable structure, the center shaft is rotatably connected with the base through the bearing, the center shaft upward extension can be used for positioning brake, and when the brake is set on the center shaft, the brake is set on the fixing disc and can be connected with the fixing disc through the first through hole, so that the brake gap adjustment is convenient, in addition, the fixing disc and the base rotatably connected, so that the staff can drive the fixing disc, reduces the labor intensity of worker.

[0015] In the utility model, the fixing disc can also be connected with the base through the second through hole, so that when the external driving unit drives the center shaft to rotate, the center shaft drives the friction plate to rotate through the brake gear sleeve, the initial braking force can be tested by torque wrench, so that the gap adjustment and torque test can be completed once, the working efficiency is high, and the operation is convenient.

[0016] The utility model discloses, base includes pedestal and mounting seat, on one hand is convenient and is favorable to reduce the machining accuracy, the other side through the nimble adjustment, can be applicable to a plurality of specifications and models'slotted adjuster clearance adjustment and torque test, in addition, the first inlay and the second inlay are embedded on the fixed disc, and the first inlay and the second inlay have high structural strength, and the service life is long, can through replacing the first inlay or the second inlay to improve the service life of fixed disc, is favorable to reduce the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduced. Obviously, the following description in the drawing is only one embodiment of the utility model, and for those skilled in the art, under the premise of not paying the creative labor, other implementation drawings can also be obtained according to the provided drawing extension.

[0018] Figure 1 The utility model discloses the cross section structure schematic diagram of front view;

[0019] Figure 2 The utility model discloses the structure schematic diagram of top view;

[0020] Figure 3 The utility model discloses the three-dimensional structure schematic diagram of brake assembly to test mechanism on;

[0021] Figure 4 : Figure 3 The utility model discloses the cross section structure schematic diagram of front view; DETAILED DESCRIPTION

[0022] The following description and drawings are illustrative of the specific embodiments herein and are not intended to be limiting. Parts and features of some embodiments can be included or replaced by parts and features of other embodiments. The scope of the embodiments herein includes the whole area of possibilities of the claims and all available equivalents of the claims. In this document, the terms "first", "second" and the like do not denote any order, quantity, combination or preference, but are used to distinguish one element from another. In fact, a first element can also be referred to as a second element and vice versa. Furthermore, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusions, such that the structures, devices or devices comprising a list of elements do not include only those elements, but also other elements not explicitly listed or inherent to such structures, devices or devices. Without more limitations, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the structure, device or device comprising the element. The various embodiments are described in a progressive manner, each emphasizing the differences with the other embodiments, and the same or similar parts between the various embodiments are cross-referenced.

[0023] In this document, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of description herein and simplification of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description herein, unless otherwise specified and limited, the terms "mount", "connect", "connect" should be interpreted broadly, for example, it can be a mechanical connection or an electrical connection, it can be a connection between two elements, it can be a direct connection or an indirect connection through an intermediate medium, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.

[0024] In this document, unless otherwise specified, the term "multiple" means two or more.

[0025] In this document, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means A or B.

[0026] In this document, the term "and / or" is a description of the relationship between the objects, which means that there can be three relationships. For example, A and / or B means that there are three relationships of A or B, or A and B.

[0027] In this embodiment, the electromagnetic brake, such as Figure 3And 4 As shown in the figure, it comprises a housing 100, an armature 200, a friction plate 300, a gear sleeve 400 and a plurality of adjusting bolts 500 arranged circumferentially, the gear sleeve 400 is sleeved on the outer of the central shaft and is connected with the central shaft 3 through a key, and the friction plate 300 acts synchronously with the gear sleeve 400.

[0028] A brake torsion test mechanism comprises a base, a central shaft 3 and a fixed disc 4.

[0029] As Figure 1 shown, the base comprises a base 1 and a mounting seat 2 which are detachably connected up and down, and further comprises a plurality of bolts, the mounting seat 2 is provided with a plurality of light holes, the base 1 is provided with a plurality of threaded holes corresponding to the positions of the light holes, and the bolts are connected through the light holes and the threaded holes to detachably connect the base and the mounting seat. In addition, the cross section of the contact surface between the mounting seat 2 and the base 1 is L-shaped, so that the mounting seat 2 can be positioned left and right and front and back, and the mounting seat 2 and the base 1 can maintain good coaxiality.

[0030] The central shaft 3 penetrates the mounting seat 2 and the base 1 downward, in this embodiment, the central shaft 3 is rotatably connected with the mounting seat 2 through a bearing 7b, and the central shaft 3 is rotatably connected with the base 1 through another bearing 7a, so that the central shaft 3 is rotatably connected with the base. Figure 1 As shown, the central shaft 3 extends upward to the outside of the fixed disc 4 and forms an extension, so as to facilitate positioning the brake.

[0031] Figure 1 As shown, the fixed disc 4 is sleeved outside the mounting seat 2, the mounting seat 2 supports the fixed disc 4 upward and is rotatably connected with the fixed disc 4, and the cross section of the contact surface between the mounting seat 2 and the fixed disc 4 is L-shaped, so that the fixed disc 4 can be positioned left and right and front and back, and the mounting seat 2 and the fixed disc 4 can maintain good coaxiality.

[0032] As

[0033] shown, the fixed disc 4 is sleeved outside the mounting seat 2, the mounting seat 2 supports the fixed disc 4 upward and is rotatably connected with the fixed disc 4, and the cross section of the contact surface between the mounting seat 2 and the fixed disc 4 is L-shaped, so that the fixed disc 4 can be positioned left and right and front and back, and the mounting seat 2 and the fixed disc 4 can maintain good coaxiality. Figure 1As shown, the fixing disc 4 is provided with a plurality of first through holes 41 and a plurality of second through holes 42, the plurality of first through holes 41 are arranged circumferentially, and the first through holes 41 are designed to be detachably connected with the fixing disc 4 through the plurality of first through holes 41, specifically, the adjusting bolt 500 can extend downward into the first through hole 41 to connect the fixing disc 4 with the housing 100 and the armature 200 of the brake; further comprising a plurality of first inserts, the outer wall surface of the first insert is formed with a shoulder from large to small, and the first insert is transitionally matched with the fixing disc 4, in addition, the first insert is embedded on the fixing disc 4 and is formed with the first through hole 41, so that the service life of the fixing disc 4 can be improved by replacing the first insert. When the brake is sleeved on the outer side of the central shaft 3 and connected on the fixing disc 4 through the first through hole 41, the brake gap adjustment can be conveniently performed; in addition, considering that the fixing disc 4 can be rotatably driven relative to the mounting seat 2, on the one hand, the brake can be relatively stable during the adjustment of the gap, and on the other hand, when the next adjusting bolt 500 needs to be adjusted, the worker can also rotate the brake by pushing it, thereby reducing the back and forth movement of the worker and saving time and labor.

[0034] The plurality of second through holes 42 are arranged circumferentially, and the second through holes 42 are designed to be detachably connected with the base through the plurality of second through holes 42 to facilitate the brake torque test. Specifically, the base 1 is provided with a plurality of blind holes corresponding in position to the second through holes 42, a pin shaft can pass through the second through hole 42 and extend into the blind hole to connect the fixing disc 4 and the base 1. Further comprising a plurality of second inserts, the outer wall surface of the second insert is formed with a shoulder from large to small, and the second insert is transitionally matched with the fixing disc 4, the second insert is embedded on the fixing disc 4 and is formed with the second through hole 42, so that the service life of the fixing disc 4 can be improved by replacing the first insert. Wherein, the first insert and the second insert are treated by heat treatment process to improve the structural strength. During the torque test, the plurality of pin shafts pass through the second through hole 42 and extend into the blind hole to connect the fixing disc 4 and the base 1, and at the same time, the fixing disc 4 is also connected with the housing 100 and the armature 200 of the brake, when the external driving unit drives the central shaft 3 to be passively rotated, the central shaft 3 drives the gear sleeve 400 and the friction plate 300 to rotate, at this time, the initial brake force of the brake can be tested by using a torque wrench, so that repeated disassembly of the brake can be avoided, and the production efficiency can be improved. Wherein, the torque wrench and the method for testing the initial brake force of the brake by using the torque wrench are prior art, which will not be described here.

[0035] The utility model is described above by way of example, but the utility model is not limited to the above-mentioned specific embodiments, any modification or modification based on the utility model belongs to the range claimed by the utility model.

Claims

1. A brake torsion testing mechanism characterized by, The brake device comprises a base, a central shaft (3) and a fixed disc (4), the central shaft (3) penetrates the base downward and is rotatably connected with the base through a plurality of bearings (7a, 7b), the base supports the fixed disc (4) upward and is rotatably connected with the fixed disc (4), the fixed disc (4) is provided with a plurality of first through holes (41) and a plurality of second through holes (42), the first through holes (41) are designed to be detachably connected with the fixed disc (4) through the first through holes (41) to facilitate brake gap adjustment, and the second through holes (42) are designed to be detachably connected with the base through the second through holes (42) to facilitate brake torsion testing.

2. The brake torque test mechanism of claim 1, wherein, The base comprises a base (1) and a mounting seat (2) which are detachably connected, and the base (1) and the mounting seat (2) are rotatably connected with the central shaft (3) through bearings (7a, 7b), and the fixed disc (4) is sleeved outside the mounting seat (2).

3. The brake torque test mechanism of claim 2, wherein, The contact surface section of the mounting seat (2) with the base (1) is L-shaped, and the contact surface section of the mounting seat (2) with the fixed disc (4) is L-shaped.

4. The brake torque test mechanism of claim 3, wherein, The brake device further comprises a first bearing end cover (5) and a second bearing end cover (6), the first bearing end cover (5) is fixedly connected with the base (1) upward and abuts against the outer ring of the bottom bearing (7a), and the second bearing end cover (6) is fixedly connected with the mounting seat (2) downward and abuts against the outer ring of the top bearing (7b).

5. The brake torque test mechanism of claim 2, wherein, The central shaft (3) extends upward outside the fixed disc (4) and forms an extension section.

6. The brake torque test mechanism according to any one of claims 2 to 5, characterized in that, The brake device further comprises a plurality of first inserts and a plurality of second inserts, the first inserts are embedded on the fixed disc (4) and form the first through holes (41), and the second inserts are embedded on the fixed disc (4) and form the second through holes (42).

7. The brake torque test mechanism of claim 6, wherein, The outer wall surface of the first insert is large at the top and small at the bottom to form a shaft shoulder, and the first insert is transitionally matched with the fixed disc (4); and the outer wall surface of the second insert is large at the top and small at the bottom to form a shaft shoulder, and the second insert is transitionally matched with the fixed disc (4).

8. The brake torque test mechanism of claim 7, wherein, The first insert and the second insert adopt a heat treatment process to improve the structural strength.

9. The brake torque test mechanism of claim 7, wherein, The brake device comprises an adjusting bolt (500) which can extend downward into the first through hole (41) to connect the fixed disc (4) with the housing (100) and the armature (200) of the brake device, and the base (1) is provided with a plurality of blind holes corresponding to the positions of the second through holes (42), a pin shaft can penetrate the second through hole (42) and extend into the blind hole to connect the fixed disc (4) with the base (1).

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