Shaft brake and frictional resistance dual-purpose mechanism

Abstract

The utility model discloses a shaft brake and frictional resistance dual-purpose mechanism which comprises a bottom plate, a positioning plate and a pressing plate, a protruding block is arranged at the side end of the bottom plate, a locking pin is arranged in the protruding block, the positioning plate is connected to the upper portion of the protruding block through the locking pin, a first U-shaped corner piece and a second U-shaped corner piece are fixedly arranged above the positioning plate, and the first U-shaped corner piece and the second U-shaped corner piece are connected with the pressing plate. The first U-shaped corner fitting is connected with the bottom plate through a locking pin, the second U-shaped corner fitting is located at the other end of the positioning plate, the pressing plate is connected to the upper portion of the first U-shaped corner fitting, the second U-shaped corner fitting is connected with a locking rod, the locking rod is provided with a locking nut, the opposite faces of the positioning plate and the pressing plate are provided with anti-abrasion pads, and the end faces of the two anti-abrasion pads are provided with arc grooves. And the arc groove is attached to the shaft surface. The punching device has the advantages of being simple in structure, convenient to install and low in requirements for site construction punching and workpiece machining, and therefore the problems that cost is high, and much space is occupied are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shaft transmission control, in particular to an improved shaft brake and friction resistance mechanism. BACKGROUND

[0002] In modern mechanical transmission systems, shaft equipment is widely used in various industrial fields. In some application scenarios, the shaft needs to be quickly braked to prevent rapid rotation or movement, and at the same time, the rotational resistance of the shaft needs to be adjusted under certain conditions to adapt to different working states. However, the existing brake mechanism can only realize the brake function alone, and cannot meet the demand of friction resistance adjustment at the same time. However, the traditional brake mechanism uses ordinary brakes, disc brakes or disc brakes, resulting in high cost and occupying more space. SUMMARY

[0003] (I) Technical problem solved

[0004] In view of the shortcomings of the prior art, the utility model provides a shaft brake and friction resistance dual-purpose mechanism, which has the advantages of simple structure, convenient installation, low requirement for on-site construction punching and workpiece processing, thereby solving the problems of high cost and occupying more space.

[0005] (II) Technical scheme

[0006] To achieve the above-mentioned advantages of simple structure, convenient installation, low requirement for on-site construction punching and workpiece processing, the utility model adopts the following specific technical scheme:

[0007] A shaft brake and friction resistance dual-purpose mechanism, which comprises a bottom plate, a positioning plate and a pressing plate, the side end of the bottom plate is provided with a protruding block, a locking pin is arranged in the protruding block, the positioning plate is connected above the protruding block through the locking pin, a first U-shaped corner piece and a second U-shaped corner piece are fixedly arranged above the positioning plate, the first U-shaped corner piece is connected with the bottom plate through the locking pin, the second U-shaped corner piece is located at the other end of the positioning plate, the pressing plate is connected above the first U-shaped corner piece, a locking rod is connected to the second U-shaped corner piece, the locking rod is provided with a locking nut, the positioning plate and the pressing plate are provided with wear-resistant pads on the facing surfaces, arc grooves are formed in the end faces of the two groups of wear-resistant pads, and the arc grooves are in close contact with the shaft surface.

[0008] Further, four groups of installation slot holes are formed around the surface of the bottom plate, and the installation slot holes are long strip adjustment holes.

[0009] Further, a through hole is formed in the protruding block, and the locking pin penetrates the first U-shaped corner piece and is connected with the through hole.

[0010] Further, the lower side of the pressing plate is provided with a connecting block matched with the first U-shaped corner piece, the connecting block is provided with a connecting hole, and the end of the pressing plate away from the connecting block is provided with a locking groove.

[0011] Further, the first U-shaped corner piece is an L-shaped corner piece and is provided with two groups of U-shaped corners, the two groups of U-shaped corners are perpendicular, and the horizontal U-shaped corner is provided with a long hole.

[0012] Further, the locking nut is any one of a triangular adjusting nut or a six-standard nut.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a kind of shaft brake and friction resistance dual-purpose mechanism, with following beneficial effects:

[0015] By inserting locking pin into first U-shaped corner piece and through hole, positioning plate can be detachably connected to bottom plate, positioning plate and pressing plate are provided with wear pads on opposite surfaces, two groups of wear pads are provided with circular arc grooves on end surface, circular arc grooves are matched with shaft surface, locking groove is provided at one end of pressing plate away from connecting block, locking rod is positioned in locking groove and fixed by locking nut, effectively solve height error problem caused by machining, after loosening locking nut, wear pads on the surface of positioning plate can completely separate from contact with shaft, after loosening locking nut, shaft can rotate freely, so it has the advantages of simple structure, easy installation, low requirement for on-site construction drilling and workpiece machining, thereby solve the problem of high cost and space occupation. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed in the embodiments will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is the structure schematic view of the utility model;

[0018] Figure 2 It is the second structure schematic view of the utility model;

[0019] Figure 3 It is the structure schematic view of positioning plate 2 in the utility model;

[0020] Figure 4 It is the principle diagram of the utility model.

[0021] In the figure: base plate 1, mounting slot hole 11, positioning plate 2, pressure plate 3, protrusion 4, locking pin 41, first U-shaped angle piece 21, second U-shaped angle piece 22, through hole 23, connecting block 31, locking slot 32, locking rod 5, locking nut 51, anti-wear pad 6, arc groove 61. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the present utility model, a dual-purpose mechanism for shaft braking and friction resistance is provided.

[0024] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figures 1-4 As shown, according to an embodiment of the utility model, a dual-purpose mechanism for shaft braking and friction resistance includes a base plate 1, a positioning plate 2 and a pressure plate 3. The side end of the base plate 1 is provided with a protrusion 4, and a locking pin 41 is provided in the protrusion 4. The positioning plate 2 is connected to the top of the protrusion 4 through the locking pin 41. A first U-shaped angle piece 21 and a second U-shaped angle piece 22 are fixedly provided above the positioning plate 2. The first U-shaped angle piece 21 is connected to the base plate 1 through the locking pin 41, and the second U-shaped angle piece 22 is located at the other end of the positioning plate 2. The pressure plate 3 is connected to the top of the first U-shaped angle piece 21, and a locking rod 5 is connected to the second U-shaped angle piece 22. The locking rod 5 is provided with a locking nut 51. Anti-wear pads 6 are provided on the facing surfaces of the positioning plate 2 and the pressure plate 3. The end faces of the two groups of anti-wear pads 6 are provided with arc grooves 61, and the arc grooves 61 fit the shaft surface.

[0025] In one embodiment, four groups of mounting slots 11 are formed around the surface of the base plate 1. The mounting slots 11 are elongated adjustment holes, which facilitate installation and solve the problem of installation difficulties caused by inaccurate hole spacing.

[0026] In one embodiment, a through hole 23 is formed in the protrusion 4, and the locking pin 41 is inserted through the first U-shaped corner piece 21 and connected to the through hole 23, thereby achieving a detachable connection between the positioning plate 2 and the base plate 1.

[0027] In one embodiment, a connecting block 31 is provided on the lower side of the pressure plate 3 to cooperate with the first U-shaped angle piece 21, and a connecting hole is provided in the connecting block 31. A locking groove 32 is provided at one end of the pressure plate 3 away from the connecting block 31. The locking rod 5 is positioned in the locking groove 32 and is fixed by a locking nut 51.

[0028] In one embodiment, the first U-shaped corner piece 21 is an L-shaped corner piece, and is provided with two groups of U-shaped corners, the two groups of U-shaped corners are perpendicular, and a long hole is formed in the horizontal U-shaped corner.

[0029] In one embodiment, the locking nut 51 is any one of a triangular adjusting nut or a six-standard nut. It can be manually and quickly adjusted or assisted by a torque wrench.

[0030] Working principle: the locking pin 41 is inserted into the first U-shaped corner piece 21 and the through hole 23, so that the positioning plate 2 can be detachably connected to the bottom plate 1, the positioning plate 2 and the pressing plate 3 are oppositely provided with the wear-resistant pads 6, the end faces of the two groups of wear-resistant pads 6 are provided with arc grooves 61, the arc grooves 61 are attached to the shaft surface, the end of the pressing plate 3 away from the connecting block 31 is provided with a locking groove 32, the locking rod 5 is positioned in the locking groove 32 and is fixed by the locking nut 51, so as to effectively solve the height error problem caused by machining. After the locking nut 51 is loosened, the wear-resistant pads 6 on the surface of the positioning plate 2 can completely separate from the contact with the shaft, and the shaft can be freely rotated after the locking nut 51 is loosened.

[0031] In the utility model, unless another definite provision and limitation, the terms "installation", "arrangement", "connection", "fixation", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or mutual action relationship of two elements, unless another definite limitation, for the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0032] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dual-purpose mechanism for shaft braking and friction resistance, characterized in that: It comprises a bottom plate (1), a positioning plate (2) and a pressing plate (3); a convex block (4) is provided at the side end of the bottom plate (1); a locking pin (41) is provided in the convex block (4); the positioning plate (2) is connected to the top of the convex block (4) through the locking pin (41); a first U-shaped angle piece (21) and a second U-shaped angle piece (22) are fixedly provided above the positioning plate (2); the first U-shaped angle piece (21) is fixed to the bottom plate (1) through the locking pin (41); The second U-shaped angle piece (22) is located at the other end of the positioning plate (2), the pressure plate (3) is connected to the top of the first U-shaped angle piece (21), the second U-shaped angle piece (22) is connected to a locking rod (5), the locking rod (5) is equipped with a locking nut (51), and the facing surfaces of the positioning plate (2) and the pressure plate (3) are provided with anti-wear pads (6), and the end surfaces of the two groups of anti-wear pads (6) are provided with arc grooves (61), and the arc grooves (61) are in contact with the axial surface.

2. A dual-purpose mechanism for shaft braking and friction resistance according to claim 1, characterized in that: Four groups of mounting slots (11) are provided on the periphery of the surface of the base plate (1), and the mounting slots (11) are long adjustment holes.

3. The dual-purpose mechanism for shaft braking and friction resistance according to claim 1, characterized in that: A through hole (23) is provided in the protrusion (4), and a locking pin (41) is inserted through the first U-shaped angle piece (21) and connected to the through hole (23).

4. The dual-purpose mechanism for axle braking and friction resistance according to claim 1, characterized in that: A connecting block (31) is provided on the lower side of the pressure plate (3) and matches the first U-shaped angle piece (21). A connecting hole is provided in the connecting block (31). A locking groove (32) is provided at one end of the pressure plate (3) away from the connecting block (31).

5. The dual-purpose mechanism for shaft braking and friction resistance according to claim 1, characterized in that: The first U-shaped corner piece (21) is an L-shaped corner piece and is provided with two groups of U-shaped corners, the two groups of U-shaped corners are perpendicular to each other, and a long hole is opened on the horizontal U-shaped corner.

6. The dual-purpose mechanism for shaft braking and friction resistance according to claim 1, characterized in that: The locking nut (51) is any one of a triangular adjustment nut and a six-standard nut.

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