Double-cylinder vertical zero-residual brake

Abstract

The utility model provides a double-cylinder vertical zero-residual brake. The double-cylinder vertical zero-residual brake comprises a spline shaft, the spline shaft is sleeved with a base plate, friction plates, dual plates and cylinders, the two friction plates, the two dual plates and the two cylinders are symmetrically arranged on the two sides of the base plate, and the two ends of the spline shaft are each sleeved with a bearing and a retaining ring for a hole. When the piston of the double-cylinder vertical zero-residual brake is in zero air pressure, contact surfaces of the friction plates are in a separated state, zero-residual torque and zero-abrasion states are achieved, and the double-cylinder vertical zero-residual brake has the advantages of being simple and compact in structure, easy to manufacture, convenient to install, low in production cost, small in use noise, small in abrasion and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical transmission part technical field, especially relates to a double cylinder vertical zero residual brake. BACKGROUND

[0002] The brake is one of the basic elements in the mechanical transmission system, is a kind of device that makes moving parts (or moving machinery) deceleration, stop or keep stop state etc., is widely used in packaging machinery, food machinery, light industry machinery, agricultural machinery, metallurgy and mining, petroleum chemical industry, machine tool, automobile, weapon, aviation and power station etc.

[0003] The brake of prior art cannot realize zero residual torque and zero wear state of brake under non-braking state in vertical installation condition due to the influence of the self weight of parts, the service life of brake is greatly reduced in this state, thus cannot meet the needs of specific occasions.

[0004] Therefore, it is necessary to provide a new double cylinder vertical zero residual brake to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem to provide a kind of double cylinder vertical zero residual brake with simple structure, compact structure, easy to manufacture, easy to install, low in production cost, small in use noise, little wear and long service life.

[0006] To solve the above technical problems, the double cylinder vertical zero residual brake provided by the utility model includes a spline shaft, a base plate, a friction plate, a counter sheet and a cylinder are sleeved on the spline shaft, the friction plate, the counter sheet and the cylinder are symmetrically provided with two groups on both sides of the base plate, and bearings and hole clamping rings are sleeved on both ends of the spline shaft.

[0007] As a further scheme of the utility model, the cylinder includes a first matching surface, a claw groove and a second matching surface, a piston is arranged between the first matching surface and the second matching surface, the piston includes a first contact surface and a second contact surface, a large sealing ring is installed on the first matching surface, and a small sealing ring is installed on the second matching surface.

[0008] As a further scheme of the utility model, three clamping ring grooves are formed in the spline shaft, shaft clamping rings are sleeved in the clamping ring grooves, and the two shaft clamping rings on the outside are in contact with two friction plates on the side close to each other.

[0009] As a further scheme of the utility model, two spring support seats are arranged between the two friction plates, mounting grooves are formed in the spring support seats, inner ring springs are arranged in the mounting grooves, and one end of the inner ring spring is in contact with the friction plate.

[0010] As a further scheme of the utility model, a plurality of outer ring springs are arranged on the base plate, a plurality of clamping claws are arranged on the pair of plates, the outer ring springs and the clamping claws correspond one by one, and the clamping claws correspond to the claw grooves.

[0011] As a further scheme of the utility model, the friction plate comprises a base plate body and a wear-resistant layer, the base plate body is subjected to metal base plate hardening treatment, the wear-resistant layer is a high polymer friction material, and the base plate body and the wear-resistant layer are bonded by high-temperature curing glue.

[0012] Compared with the related art, the double-cylinder vertical zero-residual brake has the following beneficial effects:

[0013] The brake provided by the utility model can realize zero residual torque in the vertical installation condition, the piston provides thrust through air pressure to provide braking force for the brake, a group of pair of plates are arranged between the piston and the friction plate, the pair of plate outer ring clamping claw is connected with the piston, the pair of plate separates the friction plate from the pair of plate through the outer ring spring, the friction plate is connected with the spline shaft through spline and can slide in the axial direction, the inner ring spring separates the friction plate from the base plate, the upper and lower air cylinders are connected in parallel through the tee joint to realize synchronous control, the friction plate is in a separated state between each contact surface when the piston is in zero air pressure, zero residual torque and zero wear state are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to facilitate the understanding of those skilled in the art, the utility model is further described below with reference to the drawings.

[0015] Figure 1 The utility model provides the whole cross section structure schematic diagram of double cylinder vertical zero residual brake;

[0016] Figure 2 The utility model provides the explosion map of double cylinder vertical zero residual brake;

[0017] Figure 3 The utility model provides the structure schematic diagram of air cylinder;

[0018] Figure 4 The utility model provides the structure schematic diagram of piston;

[0019] Figure 5 The utility model provides the structure schematic diagram of pair of plate;

[0020] Figure 6 The utility model provides the structure schematic diagram of spline shaft;

[0021] Figure 7 The utility model provides the structure schematic diagram of friction plate;

[0022] Figure 8The utility model discloses a spring support seat's structure schematic drawing for the utility model;

[0023] Figure 9 The utility model discloses the installation schematic drawing of outer ring spring for the utility model;

[0024] Figure 10 The utility model discloses the installation schematic drawing of inner ring spring for the utility model.

[0025] In the drawing: 1, bearing;2, cylinder;201, first mating surface;202, claw groove;203, second mating surface;3, piston;301, first contact surface;302, second contact surface;4, small sealing ring;5, big sealing ring;6, duplicate sheet;601, clamping jaw;7, spline shaft;701, buckle ring groove;8, buckle ring for shaft;9, outer ring spring;10, friction plate;1001, base plate body;1002, wear layer;11, base plate;12, spring support seat;1201, installation groove;13, inner ring spring;14, buckle ring for hole. DETAILED DESCRIPTION

[0026] Please combine with Figures 1 to 10 Among them, Figure 1 The utility model provides a whole section structure schematic drawing of double cylinder vertical zero residual brakeer; Figure 2 The utility model provides double cylinder vertical zero residual brakeer's explosion map in the utility model; Figure 3 The utility model discloses the structure schematic drawing of cylinder for the utility model; Figure 4 The utility model discloses the structure schematic drawing of piston for the utility model; Figure 5 The utility model discloses the structure schematic drawing of duplicate sheet for the utility model; Figure 6 The utility model discloses the structure schematic drawing of spline shaft for the utility model; Figure 7 The utility model discloses the structure schematic drawing of friction plate for the utility model; Figure 8 The utility model discloses a spring support seat's structure schematic drawing for the utility model; Figure 9 The utility model discloses the installation schematic drawing of outer ring spring for the utility model; Figure 10 The utility model discloses the installation schematic drawing of inner ring spring for the utility model. Double cylinder vertical zero residual brakeer includes: spline shaft 7, is set with base plate 11, friction plate 10, duplicate sheet 6 and cylinder 2 on spline shaft 7, and two groups are set to the symmetry of friction plate 10, duplicate sheet 6 and cylinder 2 on both sides of base plate 11, and the both ends of spline shaft 7 are set with bearing 1 and buckle ring 14 for hole.

[0027] As Figure 3As shown, the cylinder 2 contains a first matching surface 201, claw groove 202 and second matching surface 203, the first matching surface 201 and second matching surface 203 between the piston 3 is provided, the piston 3 contains a first contact surface 301 and second contact surface 302, the first matching surface 201 on the installation of the large sealing ring 5, the second matching surface 203 on the installation of the small sealing ring 4.

[0028] As shown in the figure, Figure 6 As shown, the spline shaft 7 is provided with three buckle grooves 701, the buckle groove 701 is provided with the shaft buckle 8, and the outer two shaft buckles 8 are respectively contacted with two friction plates 10.

[0029] As shown in the figure, Figure 8 As shown, two spring support seats 12 are arranged between the two friction plates 10, the spring support seat 12 is provided with a mounting groove 1201, and the inner ring spring 13 is arranged in the mounting groove 1201, and one end of the inner ring spring 13 is contacted with the friction plate 10.

[0030] As shown in the figure, Figure 1 As shown, the base plate 11 is provided with a plurality of outer ring springs 9, the pair of plates 6 is provided with a plurality of clamping claws 601, the outer ring springs 9 and the clamping claws 601 are one-to-one corresponding, and the clamping claws 601 correspond to the claw grooves 202.

[0031] As shown in the figure, Figure 7 As shown, the friction plate 10 comprises a base plate body 1001 and a wear-resistant layer 1002, the base plate body 1001 is a metal base plate hardening treatment, the wear-resistant layer 1002 is a high polymer friction material, and the base plate body 1001 and the wear-resistant layer 1002 are bonded by high-temperature curing glue.

[0032] The working principle of the double-cylinder vertical zero-residual brake provided by the utility model is as follows:

[0033] The brake can realize zero residual torque in the vertical installation, the piston 3 provides thrust through air pressure, and provides braking force for the brake; a group of pair of plates 6 is arranged between the piston 3 and the friction plate 10, the outer ring clamping claw 601 of the pair of plates 6 is connected with the piston 3; the pair of plates 6 separates the friction plate 10 from the pair of plates 6 through the outer ring spring 9; the friction plate 10 is connected with the spline shaft 7 through spline and can slide in the axial direction, and the inner ring spring 13 separates the friction plate 10 from the base plate 11; the upper and lower cylinders 2 are connected in parallel through the tee joint, and synchronous control is realized; when the piston 3 is in zero air pressure, the friction plate 10 is in a separated state between the contact surfaces, zero residual torque and zero wear state are achieved.

[0034] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described clearly in the technical principle of the design, and under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the field;

[0035] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field, the structure and principle thereof can be known by the technical personnel through the technical manual or through the conventional experimental method.

[0036] 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 or direct or indirect application can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents, and the same reason includes the patent protection range of the utility model.

Claims

1. A twin cylinder vertical zero-residual brake characterized by, Include: The spline shaft, the base plate, the friction plate, the pair of pieces and the cylinder are sleeved on the spline shaft, two groups of the friction plate, the pair of pieces and the cylinder are symmetrically arranged on both sides of the base plate, and the spline shaft is sleeved with a bearing and a hole buckle ring at both ends.

2. The dual cylinder vertical zero residual brake of claim 1, wherein: The cylinder contains a first matching surface, a claw groove and a second matching surface, a piston is arranged between the first matching surface and the second matching surface, the piston contains a first contact surface and a second contact surface, a large sealing ring is installed on the first matching surface, and a small sealing ring is installed on the second matching surface.

3. The dual cylinder vertical zero residual brake of claim 1, wherein: Three buckle grooves are formed on the spline shaft, the shaft buckle ring is sleeved on the buckle groove, and the two outer shaft buckle rings are respectively in contact with two friction plates on the side close to each other.

4. The dual cylinder vertical zero residual brake of claim 1, wherein: Two spring support seats are arranged between the two friction plates, the spring support seat is provided with an installation groove, the inner ring spring is arranged in the installation groove, and one end of the inner ring spring is in contact with the friction plate.

5. The dual cylinder vertical zero residual brake of claim 1, wherein: A plurality of outer ring springs are arranged on the base plate, a plurality of clamping claws are arranged on the pair of pieces, the outer ring springs and the clamping claws correspond one by one, and the clamping claws correspond to the claw grooves.

6. The dual cylinder vertical zero residual brake of claim 1, wherein: The friction plate contains a base body and a wear-resistant layer, the base body is a metal base plate hardened treatment, the wear-resistant layer is a high polymer friction material, and the base body and the wear-resistant layer are bonded by high-temperature curing glue.

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