CN201763856U - Pneumatic disk brake - Google Patents
Pneumatic disk brake Download PDFInfo
- Publication number
- CN201763856U CN201763856U CN2010205077914U CN201020507791U CN201763856U CN 201763856 U CN201763856 U CN 201763856U CN 2010205077914 U CN2010205077914 U CN 2010205077914U CN 201020507791 U CN201020507791 U CN 201020507791U CN 201763856 U CN201763856 U CN 201763856U
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- Prior art keywords
- disk
- brake
- guide rod
- cylinder body
- connecting wheel
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Abstract
The utility model discloses a pneumatic disk brake which comprises a connecting wheel used for synchronous rotation and connection with a rotating shaft; brake disks are assembled on the periphery of the connecting wheel along the coaxial direction of the connecting wheel in a way of sliding for stopping rotating; the two sides of each brake disk are provided with a frictional disk; the side surfaces of each frictional disk matched with a neighboring brake disk are fixedly provided with a friction plate used for pressing the brake disks; the frictional disk comprises a pressure disk at the outermost position along the coaxial direction of the connecting wheel and a substrate disk fixedly connected with a frame; at least two guide poles extending along the coaxial direction of the connecting wheel and surrounding the connecting wheel are fixedly arranged on the substrate disk; all the frictional disks besides the substrate disk are penetrated on the guide poles in a sliding way; frictional disk return springs butted between two neighboring frictional disks are sleeved on the guide poles; and a pneumatic pressure device is arranged on one side of the pressure disk far from the brake disks; the pneumatic pressure device comprises a cylinder and a piston sealed and matched with the cylinder in a sliding way; and the piston is connected with the pressure disk in a transmission way.
Description
Technical field
The utility model relates to various machinery breaks, particularly a kind of air disc brake.
Background technique
Traditional drum-type, disk type braker are after wheel footpath, disk track, power source and profile are determined, the braking moment of break is definite substantially immediately, the braking moment operating range is limited, can not adjust at any time the braking moment size according to system equipment, as satisfying the requirement of system to braking moment, just have to change the break model, and along with braking moment increases, abrasion increase, thereby reduce break complete machine performance.And disk type braker shell of the same type often is cast inblock, its power source is an air bag, and the limited travel of air bag makes that effective wearing and tearing thickness of friction plate is restricted in the break, and, thereby directly influence the working life of break because brake shell is that cast inblock makes that the break heat dispersion is poor.
A kind of Pneumatic friction clutch-brake is disclosed in the patent No. is the Chinese utility model patent specification of ZL200820161200.5, comprise the pedestal that is connected by key with rotating shaft, this pedestal often is called as connecting wheel again in the break technical field, outside described pedestal, is furnished with friction disk along the rotating shaft spinning that only endwisely slips by tooth engagement, both sides at friction disk are provided with friction plate, the excircle of friction plate is provided with external tooth, and friction plate is by joining along the rotating shaft spinning that only endwisely slips with retainer ring with the engagement of the internal tooth of retainer ring.During work, promote friction plate compressing friction disk by inner carrier and realize braking, thereby and realize that by Returnning spring the disengaging of friction plate and friction disk realizes declutching.When friction torque can not satisfy the required braking moment of rotating shaft, can increase the quantity of friction plate and friction disk in the axial direction, to satisfy the requirement of system to braking moment.
Friction disk and friction plate all are arranged on retainer ring inside in the above-mentioned disclosed break, and the heat that makes friction plate act on the friction disk like this to be produced gathers in retainer ring in a large number, and the integral heat sink effect of break is poor.And when needs increase friction plate and friction disk on connecting wheel, not only need to redesign the axial length of retainer ring to satisfy the requirement that endwisely slips of the extra friction plate that increases, also to need fixed processing circle again, thereby not only influence working efficiency, also cause the wasting of resources.
Summary of the invention
The purpose of this utility model provides a kind of air disc brake, with the bad technical problem of integral heat sink effect in the break work in the solution prior art.
For achieving the above object, the utility model adopts following technological scheme: a kind of air disc brake, comprise and be used for the connecting wheel that is rotationally connected synchronously with rotating shaft, its spinning that endwisely slips only is furnished with brake disc in the outer circumferential face upper edge of this connecting wheel, the both sides of described each brake disc are equipped with friction disk, be installed with the friction plate that is used to oppress brake disc on the corresponding side surface of the brake disc of each friction disk and vicinity, comprise the pedestal disk that axially is in the pressure disk of outermost locations and is used for being connected along connecting wheel in the described friction disk with frame, be installed with at least two guide rods that extend axially and center on the connecting wheel setting along connecting wheel on the described pedestal disk, all friction disks except that pedestal disk all slide and are installed on the described guide rod, be set with the friction disk Returnning spring that is mounted between two adjacent friction disks on this guide rod, the side away from brake disc in described pressure disk is provided with pneumatic compression device, described pneumatic compression device comprises cylinder body and the piston that cooperates with the cylinder body slipper seal, and this piston and described pressure disk are in transmission connection.
Described cylinder body is the inner cylinder body that is fixed on the described guide rod, described piston is the outer piston away from pressure disk one side that slipper seal is matched with inner cylinder body, described inner cylinder body and and pressure disk between be provided with many group pressure springs, the roof pressure of the two ends difference correspondence of described pressure spring is on the opposing side of inner cylinder body and pressure disk, and described outer piston is connected by double-screw bolt and the pressure disk that slip is located on the inner cylinder body.
Be equipped with the guide rod perforation that matches with guide rod on described all friction disks except that pedestal disk, be provided with sleeve pipe between described guide rod and friction disk Returnning spring and the guide rod perforation, between the corresponding end face of described pedestal disk, be provided with the adjustment assembly that is sleeved on the guide rod on this sleeve pipe.
Described guide rod is installed on the inner cylinder body, and described inner cylinder body is realized axial limiting by the sleeve pipe and the nut of spinning on guide rod that are arranged on the guide rod.
Described brake disc is at least two, and described friction disk also comprises the telophragma that is arranged between two adjacent brake discs.
Be installed with baffle plate on the end face of the close pedestal disk on the described connecting wheel, this baffle plate and and the adjacent brake disc of baffle plate between and be equipped with the brake disc Returnning spring between brake disc and the brake disc.
In the utility model, because the guiding device that has adopted guide rod to slide as friction disk, and whole break is whole for dividing body structure, thereby increased the radiating effect of break, prolong the working life of break, and because adopted split-type structural to reduce the processing and the maintenance cost of break integral body.And when system design has different the requirement for the braking moment of rotating shaft, only need between pedestal disk and pressure disk, install additional and only revolve the brake disc that is slidedly assemblied on the connecting wheel and the friction disk that is slidedly assemblied on the guide rod gets final product, quick and easy for installation, and the length of guide rod is convenient to change in design, can not increase the external dimension of break.The utility model is simple in structure, and its braking moment can increase or reduce according to the brake disc number, is convenient to according to equipment corresponding selection be carried out in the requirement that braking moment varies in size.The utility model is compared with other break designs, and the friction plate area of contact is big, allows wearing and tearing capacity height, wear resistance is good, and the thermal capacity height produces identical moment values on each direction of rotation, because of its along the brake disc axial force distribution, brake axle is not subjected to the moment of flexure effect.
Description of drawings
Fig. 1 a kind of embodiment's of the present utility model structural representation;
Fig. 2 is the right side view of Fig. 1.
Embodiment
As Fig. 1, shown in Figure 2, a kind of air disc brake, comprise and be used for the round casing connecting wheel 13 that is rotationally connected synchronously by key with rotating shaft 22, end spinning by the spline slip on the outer circumferential face of this connecting wheel 13 and be furnished with two brake discs 2, brake disc 2 comprises first brake disc 201 and second brake disc 202, both sides at each brake disc 2 are equipped with friction disk, be installed with the friction plate 4 that is used to oppress brake disc on the corresponding side surface of the brake disc of each friction disk and vicinity, friction disk comprises that axially being in outermost two friction disks along connecting wheel is respectively pressure disk 5 and the pedestal disk 1 that is used for being connected with frame, by pedestal disk 1 break integral body is installed on the frame during concrete enforcement, the corresponding assembling of seam face of pedestal disk 1 and frame corresponding part, by bolt pedestal disk 1 is fixed on the frame, friction disk also is included in the telophragma 3 between first brake disc 201 and second brake disc 202, be installed with on the pedestal disk 1 along the axially extended a plurality of guide rods 14 that are provided with around connecting wheel of connecting wheel, telophragma 3 and pressure disk 5 all endwisely slip along guide rod and are assemblied on the guide rod 14, between two adjacent friction disks, axially be set with friction disk Returnning spring 16 on the outer circumferential face of this guide rod 14 along guide rod, each roof pressure of the two ends of friction disk Returnning spring 16 is on the corresponding end face of two adjacent friction disks, all friction disks except that pedestal disk are provided with the guide rod perforation that matches with guide rod, be provided with sleeve pipe 15 between guide rod 14 and friction disk Returnning spring 16 and the guide rod perforation, between the corresponding end face of pedestal disk 1, be provided with the adjustment assembly that is sleeved on the guide rod on this sleeve pipe 15, adjusting assembly in the present embodiment comprises two packing rings and is clipped in wear ring 18 between the packing ring, on the end face of the close pedestal disk on the described connecting wheel, be installed with baffle plate 20, this baffle plate 20 and and adjacent first brake disc 201 of baffle plate between be provided with brake disc Returnning spring 26, this brake disc Returnning spring is assemblied in the brake disc Returnning spring hole that is provided with on the brake disc, is provided with brake disc Returnning spring 21 between first brake disc 201 and second brake disc 202; The side away from brake disc 2 in pressure disk 5 is provided with pneumatic compression device, this pneumatic compression device comprises inner cylinder body 11 that fixedly installs and the outer piston 7 that cooperates with the inner cylinder body slipper seal, inner cylinder body 11 and outer piston 7 constitute sealed air-space 24, on outer piston 7, be provided with the injecting hole 12 that is communicated with sealed air-space, between inner cylinder body 11 and outer piston 7, be provided with seal ring 9, outer piston 7 and pressure disk 5 are in transmission connection by double-screw bolt 8, between pressure disk 5 and outer piston 7, be set with spacer tube 6 on the double-screw bolt 8, being provided with between inner cylinder body 11 and pressure disk 5 organized the pressure springs of circumferentially laying along piston 10 more, and the roof pressure of the two ends difference correspondence of pressure spring 10 is on the opposing side of inner cylinder body 11 and pressure disk 5.
In the above-described embodiments, guide rod is a stud, one end of stud is installed on the pedestal disk 1 by screw thread, and its other end passes inner cylinder body 11, and inner cylinder body 11 is realized axial limiting by the sleeve pipe 15 and the nut of spinning on the corresponding end on the double-screw bolt that are sleeved on the stud.
When rotating shaft is rotated, the utility model air disc brake is not worked, this moment, pressure gas was entered in the sealed air-space 24 by the injecting hole on the outer piston 7 12, because inner cylinder body 11 is fixing, under the effect of pressure gas, outer piston 7 reaches by bolt 8, the pressure disk 5 that spacer tube 6 is in transmission connection moves to the direction away from pedestal disk 1 together, pressure spring 10 pressurizeds, the clamping force that put on the brake disc this moment is unclamped, telophragma 3 and pressure disk 5 break away from brake disc 2 under the effect of friction disk Returnning spring 16, and brake disc 2 resets under the brake disc action of reset spring, and each friction disk all is separated with brake disc, realizes declutching.
When needs are braked, the injecting hole 12 of pressure gas in the sealed air-space 24 on cylinder 7 discharged, pressure spring 10 is pressed to pedestal disk 1 direction with pressure disk 5, pressure disk 5, brake disc 2 and telophragma 3 are done motion to axial under the spring force effect of pressure spring 10 at this moment, on the friction plate of all friction disks is all oppressed corresponding surface at brake disc, clamp brake disc 2 this moment, under frictional force action, realizes the brake sticking brake of countershaft.
What pneumatic compression device adopted in the utility model is the structure of inner cylinder body, outer piston, and complete machine structure and working principle science are feasible, and braking effect is remarkable.During concrete enforcement, also can adopt inner carrier, the structure of outer cylinder body, at this moment, pressure spring will be arranged between outer cylinder body and the pressure disk as Returnning spring, and inner carrier and pressure disk are in transmission connection.
When being in an emergency, peripheral stud is adjusted in this moment rotation, retracting spring power, and drive piston and move to the direction of cylinder, and cylinder drove pressure disk and moved to the direction away from pedestal disk this moment, thereby realized declutching.
The utility model air disc brake is changed traditional integral formula mentality of designing, adopt split, tight inserted type structural design, each big parts such as connecting wheel, brake disc, braking system, pneumatic compression device respectively are integral, closely chimeric, processing, installation, working service are all more convenient, prolong break working life greatly, and heat dispersion is good.And all product component are all fixed by the bolt closed assembly, can in time observe the degree of wear and the gap situation thereof of friction disk and brake disc, so that change friction disk at any time.
Claims (6)
1. air disc brake, comprise and be used for the connecting wheel that is rotationally connected synchronously with rotating shaft, its spinning that endwisely slips only is furnished with brake disc in the outer circumferential face upper edge of this connecting wheel, it is characterized in that: the both sides of described each brake disc are equipped with friction disk, be installed with the friction plate that is used to oppress brake disc on the corresponding side surface of the brake disc of each friction disk and vicinity, comprise the pedestal disk that axially is in the pressure disk of outermost locations and is used for being connected along connecting wheel in the described friction disk with frame, be installed with at least two guide rods that extend axially and center on the connecting wheel setting along connecting wheel on the described pedestal disk, all friction disks except that pedestal disk all slide and are installed on the described guide rod, be set with the friction disk Returnning spring that is mounted between two adjacent friction disks on this guide rod, the side away from brake disc in described pressure disk is provided with pneumatic compression device, described pneumatic compression device comprises cylinder body and the piston that cooperates with the cylinder body slipper seal, and this piston and described pressure disk are in transmission connection.
2. air disc brake according to claim 1, it is characterized in that: described cylinder body is the inner cylinder body that is fixed on the described guide rod, described piston is the outer piston away from pressure disk one side that slipper seal is matched with inner cylinder body, described inner cylinder body and and pressure disk between be provided with many group pressure springs, the roof pressure of the two ends difference correspondence of described pressure spring is on the opposing side of inner cylinder body and pressure disk, and described outer piston is connected by double-screw bolt and the pressure disk that slip is located on the inner cylinder body.
3. air disc brake according to claim 2, it is characterized in that: be equipped with the guide rod perforation that matches with guide rod on described all friction disks except that pedestal disk, be provided with sleeve pipe between described guide rod and friction disk Returnning spring and the guide rod perforation, between the corresponding end face of described pedestal disk, be provided with the adjustment assembly that is sleeved on the guide rod on this sleeve pipe.
4. air disc brake according to claim 3 is characterized in that: described guide rod is installed on the inner cylinder body, and described inner cylinder body is realized axial limiting by the sleeve pipe and the nut of spinning on guide rod that are arranged on the guide rod.
5. air disc brake according to claim 1 is characterized in that: described brake disc is at least two, and described friction disk also comprises the telophragma that is arranged between two adjacent brake discs.
6. according to any described air disc brake of claim 1 to 5, it is characterized in that: be installed with baffle plate on the end face of the close pedestal disk on the described connecting wheel, this baffle plate and and the adjacent brake disc of baffle plate between and be equipped with the brake disc Returnning spring between brake disc and the brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077914U CN201763856U (en) | 2010-08-27 | 2010-08-27 | Pneumatic disk brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077914U CN201763856U (en) | 2010-08-27 | 2010-08-27 | Pneumatic disk brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763856U true CN201763856U (en) | 2011-03-16 |
Family
ID=43716461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205077914U Expired - Fee Related CN201763856U (en) | 2010-08-27 | 2010-08-27 | Pneumatic disk brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502763A (en) * | 2018-03-30 | 2018-09-07 | 宝鸡石油机械有限责任公司 | A kind of the AC frequency conversion hoister system and its control method of removal hydraulic disc brake |
-
2010
- 2010-08-27 CN CN2010205077914U patent/CN201763856U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502763A (en) * | 2018-03-30 | 2018-09-07 | 宝鸡石油机械有限责任公司 | A kind of the AC frequency conversion hoister system and its control method of removal hydraulic disc brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIAOZUO JINZA BRAKE CO., LTD. Free format text: FORMER NAME: JIAOZUO BRAKER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 454000 No. 1 North Ring Road, Henan, Jiaozuo Patentee after: JIAOZUO JINGU BRAKE INCORPORATED CO., LTD. Address before: 454000 No. 1 North Ring Road, Henan, Jiaozuo Patentee before: Jiaozuo Brake Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20160827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |