CN202937680U - Disc-type friction connection device and speed reducer comprising same - Google Patents
Disc-type friction connection device and speed reducer comprising same Download PDFInfo
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- CN202937680U CN202937680U CN 201220630804 CN201220630804U CN202937680U CN 202937680 U CN202937680 U CN 202937680U CN 201220630804 CN201220630804 CN 201220630804 CN 201220630804 U CN201220630804 U CN 201220630804U CN 202937680 U CN202937680 U CN 202937680U
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- friction
- steel disc
- housing
- disc
- friction steel
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Abstract
The utility model provides a disc-type friction connection device and a speed reducer comprising same. The disc-type friction connection device comprises a shell, an internally meshed gear and an output shaft, wherein the internally meshed gear is arranged in the shell; the output shaft extends from the right end of the shell; the disc-type friction connection device is arranged in a chamber between the right end of the shell and the internal gear; a regulating spring is arranged at the left side of an internal friction steel sheet; a regulating nut is arranged at the right side of an external friction steel sheet; the internal friction steel sheet and the external friction steel sheet are both linked with the inner wall of the shell through a first spline; a friction disc is linked with the outer wall of the internal gear through a second spline; and the regulating nut is arranged at the right end of the shell, and is threadedly connected with the inner wall of the shell. An internally arranged disc-type friction connection device is adopted, the seal property is improved, and influences to the friction connection device by external humidity and temperature are reduced; and the compression amount of a compression spring is regulated through the advance and retreat of the regulating nut, the problems of unstable prestress and unstable torque transfer for the existing friction connection device are overcome.
Description
Technical field
The utility model relates to a kind of disc type friction connected device and contains the retarder of this disc type friction connected device.
Background technique
In prior art, in order to protect the output of motor and restriction retarder moment, independent friction axis coupling is set between retarder and motor output shaft generally.This structure takes up room more, and more complicated.
At present, a kind of retarder with frictional coupling device in railway conversion field use, as shown in Figure 1, the friction axis coupling of its use is the drum-type friction structure, it mainly is made of end friction belt 2, friction clamping plate 3, adjusting nut 5 and the stage clip 4 of the internal gear 1 that is arranged on retarder, switch machine consumes the inertial force of motor by friction axis coupling in normal conversion track switch process, to avoid internal components to be clashed into or to damage; When tongue is obstructed can not be closely connected the time in conversion midway, retarder internal gear 1 will dally in friction clamping plate 3, comes consumed energy with this, protection motor and mechanical driving part.
But this retarder when being subjected to ambient temperature, humidity effect, affects the stability of moment of torsion output due to outside its friction clamping plate is exposed to.In addition, the mode manufacturability of left and right clamping plate is not high, be difficult for to guarantee that the thickness of 2 clamping plate is consistent, be difficult for guaranteeing two clamping plate with one heart, the precompression that is difficult for guaranteeing two clamping plate mutually equal problem can bring the positive and negative direction torque deviation large, export the phenomenons such as not steady.
Summary of the invention
The purpose of this utility model is to provide a kind of disc type friction connected device and contains the retarder of this disc type friction connected device, the precompression that existing friction axis coupling exists is unstable, the positive and negative drag size of friction belt is inconsistent to overcome, the moment of torsion transmission not steadily and affected and the problem of job insecurity by extraneous humidity and temperature.
For reaching above-mentioned purpose, the utility model provides a kind of disc type friction connected device, comprise friction steel disc, friction disk, adjustment spring and adjusting nut, described friction steel disc comprises interior friction steel disc and external friction steel disc, be separately positioned on the inside and outside both sides of described friction disk in order to this friction disk of clamping, described adjustment spring coordinates to regulate the pressure between described friction steel disc and described friction disk with described adjusting nut.
Above-mentioned adjustment spring is arranged on the left side of described interior friction steel disc, and described adjusting nut is arranged on the right side of described external friction steel disc.
Above-mentioned interior friction steel disc, external friction steel disc and friction disk are all annular; Described adjustment spring is a plurality of stage clips, along the circumferential setting of described interior friction steel disc; Be provided with needle bearing between described adjusting nut and described external friction steel disc.
A kind of retarder that contains above-mentioned disc type friction connected device, the inside engaged gear that comprises housing, is arranged in housing reaches from the extended output shaft of housing right-hand member, and described disc type friction connected device is placed in the right-hand member and the chamber between described inside engaged gear of described housing; Described adjustment spring is arranged on the left side of described interior friction steel disc, and described adjusting nut is arranged on the right side of described external friction steel disc; Described interior friction steel disc, external friction steel disc and friction disk are all annular; Described adjustment spring is a plurality of stage clips, along circumferentially being arranged in positioning hole corresponding on described housing of described interior friction steel disc; Described interior friction steel disc and external friction steel disc all are connected with inner walls by the first spline; Described friction disk is connected with the housing of described inside engaged gear by the second spline; Described adjusting nut is arranged on the right-hand member of housing, passes through scyewed joint between the inwall of itself and housing.
A kind of retarder that contains above-mentioned disc type friction connected device, the inside engaged gear that comprises housing, is arranged in housing reaches from the extended output shaft of housing right-hand member, and described disc type friction connected device is placed in the right-hand member and the chamber between described inside engaged gear of described housing; Described adjustment spring is arranged on the left side of described interior friction steel disc, and described adjusting nut is arranged on the right side of described external friction steel disc; Described interior friction steel disc, external friction steel disc and friction disk are all annular; Described adjustment spring is a stage clip or belleville spring; Described interior friction steel disc and external friction steel disc all are connected with the housing of described inside engaged gear by the first spline; Described friction disk is connected with described inner walls by the second spline; Described adjusting nut is arranged on the right-hand member of housing, passes through scyewed joint between the inwall of itself and housing.
Be provided with locating stud in above-mentioned positioning hole, described compression spring sleeve is located on this locating stud.
Be provided with needle bearing between above-mentioned adjusting nut and described external friction steel disc.
Above-mentioned adjusting nut comprises that outer wall arranges the screw section and the annular retaining ring that is arranged on this right side, screw section of screw thread, and this annular retaining ring is gear shape, comprises a plurality of along its bumps that circumferentially arrange; The outer wall right-hand member of described housing is provided with for coordinate to limit the position-limited lever that described adjusting nut rotates with described bump.
Above-mentioned position-limited lever one end and described housing connect by screw or joint shaft bearing or roll pin.
Be provided with lip-type packing between the outer wall of above-mentioned adjusting nut and described inside engaged gear; The surface of described friction disk is provided with the chip removal radiating groove that radially extends.
The utility model has the advantages that: adopt built-in disc type friction connected device, improved its sealing, effectively reduce extraneous humidity and temperature to the impact of friction connected device, the phenomenon that the output torque diminishes can not occur producing owing to making moist; Regulate the pressure amount of stage clip by the advance and retreat of adjusting nut, realize the adjustment to the friction plate impacting force, operate more convenient and realized the stationarity of precompression; Friction area increases, and the friction disk surface distributed has the chip removal radiating groove, and temperature influence is less, and the output torque is more steady.
Description of drawings
Below with reference to accompanying drawing, the utility model is described in further details:
Fig. 1 is existing drum-type friction connected device structural representation.
Fig. 2 is the structural representation that contains the retarder of disc type friction connected device.
Fig. 3 is the structural representation of the housing of retarder.
Fig. 4 is the structural representation that is provided with the retarder of locating stud.
Fig. 5 is the structural representation that is provided with the housing of locating stud.
Fig. 6 is the structural representation of friction disk.
In figure: 1, internal gear; 2, friction belt; 3, friction clamping plate; 4, stage clip; 5, adjusting nut; 6, friction disk; 7, adjust spring; 8, interior friction steel disc; 9, external friction steel disc; 10, needle bearing; 11, housing; 12, inside engaged gear; 13, output shaft; 14, positioning hole; 15, locating stud; 16, screw section; 17, annular retaining ring; 18, bump; 19, position-limited lever; 20, the left end of position-limited lever; 21, screw; 22, seal ring.
Embodiment
unstable for solving the precompression that existing friction axis coupling exists, the positive and negative drag size of friction belt is inconsistent, the moment of torsion transmission is not steady and affected and the problem of job insecurity by extraneous humidity and temperature, the present embodiment provides a kind of disc type friction connected device, as shown in Figure 2, comprise the friction steel disc, friction disk 6, adjust spring 7 and adjusting nut 5, the friction steel disc comprises interior friction steel disc 8 and external friction steel disc 9, be separately positioned on friction disk 6 in, outer both sides are in order to this friction disk 6 of clamping, adjust spring 7 and coordinate to regulate the i.e. interior pressure that rubs between steel disc 8 and external friction steel disc 9 and friction disk 6 of friction steel disc with adjusting nut 5.
Adjust the left side that spring 7 is arranged on interior friction steel disc 8, adjusting nut 5 is arranged on the right side of external friction steel disc 9.
Interior friction steel disc 8, external friction steel disc 9 and friction disk 6 are all annular; A plurality of stage clips and adjust spring 7, along the circumferential setting of interior friction steel disc 8; Be provided with needle bearing 10 between adjusting nut 5 and external friction steel disc 9, reduce the friction between adjusting nut 5 and external friction steel disc 9, be beneficial to the rotation of adjusting nut 5, thus the pressure between friction steel disc 8, external friction steel disc 9 and friction disk 6 in adjusting, the driving torque of change friction axis coupling.
Be not difficult to find out, shown in Figure 2 is the retarder that contains above-mentioned disc type friction connected device, the inside engaged gear 12 that comprises housing 11, is arranged in housing 11 reaches from the housing 11 extended output shafts 13 of right-hand member, and the disc type friction axis coupling is placed in the right-hand member and the chamber between inside engaged gear 12 of housing 11; Adjusting spring 7 is a plurality of stage clips, along the interior (see figure 3) of positioning hole 14 that circumferentially is arranged on correspondence on housing 11 of interior friction steel disc 8; Be provided with needle bearing 10 between adjusting nut 5 and external friction steel disc 9; Interior friction steel disc 8 and external friction steel disc equal 9 connect with housing 11 inwalls by the first spline; Friction disk 6 connects with the outer wall of inside engaged gear 12 by the second spline; Adjusting nut 5 is arranged on the right-hand member of housing 11, passes through scyewed joint between the inwall of itself and housing 11.
As shown in Fig. 4,5, be provided with locating stud 15 in positioning hole 14, a plurality of adjustment springs 7 are that a plurality of compression spring sleeve are located on this locating stud 15.Adjusting nut 5 comprises that outer wall arranges the screw section 16 and the annular retaining ring 17 that is arranged on these 16 right sides, screw section of screw thread, and this annular retaining ring 17 is gear shape, comprises a plurality of along its bumps 18 that circumferentially arrange; The outer wall right-hand member of housing 11 is provided with the position-limited lever 19 that rotates for coordinate to limit adjusting nut 5 with bump 18, position-limited lever 19 1 ends (being the left end 20 of position-limited lever shown in Fig. 4) with housing 11 by screw 21(or joint shaft bearing or roll pin) connect.Thus, after adjusting nut 5 turns to the precalculated position, rotary spacing bar 19, its right-hand member is placed between a plurality of bumps 18 of annular retaining ring 17 of adjusting nut 5, formation stops, hinders the rotation of adjusting nut 5, thereby realizes spacing to adjusting nut 5, and then realized adjusting the restriction of the decrement of spring 7, realize the adjustment of the driving torque of the inside engaged gear 12 of retarder and determine.
In order to reduce extraneous factor such as humidity and temperature to the impact of the work of friction axis coupling, be provided with seal ring 22 between the outer wall of adjusting nut 5 and inside engaged gear 12, the seal ring that the present embodiment is selected is lip-type packing.
The area of friction disk 6 is larger, and as shown in Figure 6, its surface distributed has chip removal radiating groove 23, accelerates heat radiation, falls the impact that is subjected to temperature, realizes exporting stably torque.
More than exemplifying is only to illustrate of the present utility model, does not consist of the restriction to protection domain of the present utility model, within the every and same or analogous design of the utility model all belongs to protection domain of the present utility model.
Claims (10)
1. disc type friction connected device, comprise friction steel disc, friction disk, adjustment spring and adjusting nut, it is characterized in that: described friction steel disc comprises interior friction steel disc and external friction steel disc, be separately positioned on the inside and outside both sides of described friction disk in order to this friction disk of clamping, described adjustment spring coordinates to regulate the pressure between described friction steel disc and described friction disk with described adjusting nut.
2. disc type friction connected device as claimed in claim 1, it is characterized in that: described adjustment spring is arranged on the left side of described interior friction steel disc, and described adjusting nut is arranged on the right side of described external friction steel disc.
3. disc type friction connected device as claimed in claim 2, it is characterized in that: described interior friction steel disc, external friction steel disc and friction disk are all annular; Described adjustment spring is a plurality of stage clips, along the circumferential setting of described interior friction steel disc; Be provided with needle bearing between described adjusting nut and described external friction steel disc.
4. retarder that contains disc type friction connected device claimed in claim 1, the inside engaged gear that comprises housing, is arranged in housing reaches from the extended output shaft of housing right-hand member, and it is characterized in that: described disc type friction connected device is placed in the right-hand member and the chamber between described inside engaged gear of described housing;
Described adjustment spring is arranged on the left side of described interior friction steel disc, and described adjusting nut is arranged on the right side of described external friction steel disc;
Described interior friction steel disc, external friction steel disc and friction disk are all annular;
Described adjustment spring is a plurality of stage clips, along circumferentially being arranged in positioning hole corresponding on described housing of described interior friction steel disc;
Described interior friction steel disc and external friction steel disc all are connected with inner walls by the first spline;
Described friction disk is connected with the housing of described inside engaged gear by the second spline;
Described adjusting nut is arranged on the right-hand member of housing, passes through scyewed joint between the inwall of itself and housing.
5. retarder that contains disc type friction connected device claimed in claim 1, the inside engaged gear that comprises housing, is arranged in housing reaches from the extended output shaft of housing right-hand member, and it is characterized in that: described disc type friction connected device is placed in the right-hand member and the chamber between described inside engaged gear of described housing;
Described adjustment spring is arranged on the left side of described interior friction steel disc, and described adjusting nut is arranged on the right side of described external friction steel disc;
Described interior friction steel disc, external friction steel disc and friction disk are all annular;
Described adjustment spring is a stage clip or belleville spring;
Described interior friction steel disc and external friction steel disc all are connected with the housing of described inside engaged gear by the first spline;
Described friction disk is connected with described inner walls by the second spline;
Described adjusting nut is arranged on the right-hand member of housing, passes through scyewed joint between the inwall of itself and housing.
6. retarder as claimed in claim 4, it is characterized in that: be provided with locating stud in described positioning hole, described compression spring sleeve is located on this locating stud.
7. retarder as described in claim 4 or 5, is characterized in that: be provided with needle bearing between described adjusting nut and described external friction steel disc.
8. as claim 4 or 5 or 6 described retarders, it is characterized in that: described adjusting nut comprises that outer wall arranges the screw section and the annular retaining ring that is arranged on this right side, screw section of screw thread, this annular retaining ring is gear shape, comprises a plurality of along its bump that circumferentially arranges; The outer wall right-hand member of described housing is provided with for coordinate to limit the position-limited lever that described adjusting nut rotates with described bump.
9. retarder as claimed in claim 8 is characterized in that: described position-limited lever one end and described housing connect by screw or joint shaft bearing or roll pin.
10. as claim 4 or 5 or 6 described retarders, it is characterized in that: be provided with lip-type packing between the outer wall of described adjusting nut and described internal gear; The surface of described friction disk is provided with the chip removal radiating groove that radially extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630804 CN202937680U (en) | 2012-11-26 | 2012-11-26 | Disc-type friction connection device and speed reducer comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630804 CN202937680U (en) | 2012-11-26 | 2012-11-26 | Disc-type friction connection device and speed reducer comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202937680U true CN202937680U (en) | 2013-05-15 |
Family
ID=48321920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220630804 Expired - Lifetime CN202937680U (en) | 2012-11-26 | 2012-11-26 | Disc-type friction connection device and speed reducer comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202937680U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485193A (en) * | 2015-12-29 | 2016-04-13 | 武汉正通传动技术有限公司 | Diaphragm coupler with torque limiting device |
| CN108007807A (en) * | 2017-12-31 | 2018-05-08 | 天津辉煌路阳科技有限公司 | Goat grinding test platform |
| CN108533629A (en) * | 2018-05-21 | 2018-09-14 | 马鞍山荣马传动机械有限公司 | High-speed coupling |
| WO2024017417A1 (en) * | 2022-10-30 | 2024-01-25 | 西安铁路信号有限责任公司 | Friction method for drum-type torque limiter |
-
2012
- 2012-11-26 CN CN 201220630804 patent/CN202937680U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485193A (en) * | 2015-12-29 | 2016-04-13 | 武汉正通传动技术有限公司 | Diaphragm coupler with torque limiting device |
| CN108007807A (en) * | 2017-12-31 | 2018-05-08 | 天津辉煌路阳科技有限公司 | Goat grinding test platform |
| CN108533629A (en) * | 2018-05-21 | 2018-09-14 | 马鞍山荣马传动机械有限公司 | High-speed coupling |
| WO2024017417A1 (en) * | 2022-10-30 | 2024-01-25 | 西安铁路信号有限责任公司 | Friction method for drum-type torque limiter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210630 Address after: No.1199, taming Sea Road, Dongli District, Tianjin Patentee after: TIANJIN RAILWAY SIGNAL Co.,Ltd. Address before: 710048 No.1, Jinhua South Road, Beilin District, Xi'an City, Shaanxi Province Patentee before: XI 'AN NATIONAL RAILWAY EQUIPMENT RESEARCH Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |