CN204079356U - Lubricated type additional brake - Google Patents
Lubricated type additional brake Download PDFInfo
- Publication number
- CN204079356U CN204079356U CN201420529909.1U CN201420529909U CN204079356U CN 204079356 U CN204079356 U CN 204079356U CN 201420529909 U CN201420529909 U CN 201420529909U CN 204079356 U CN204079356 U CN 204079356U
- Authority
- CN
- China
- Prior art keywords
- platen
- brake disc
- drive sprocket
- hole
- oil groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of lubricated type additional brake, comprise drive sprocket, brake disc, platen and latching device, brake disc to be located between drive sprocket and platen and to be leant with drive sprocket and platen, brake disc and drive sprocket against position be arranged with the first oil groove, brake disc and platen against position be arranged with the second oil groove, through hole is provided with in brake disc, and the two ends of through hole are communicated with the first oil groove, the second oil groove respectively, platen is provided with the oiling through hole corresponding with through hole, and platen is connected with drive sprocket by latching device.Lubricant is injected oil groove by oiling through hole and through hole by this additional brake, on lubricant is distributed on friction face that brake disc and drive sprocket and brake disc contact with platen, friction face is not easily got rusty, and reduce the abrasion loss of brake disc, drive sprocket and platen, increase the service life.
Description
Technical field
The utility model relates to escalator and moving sidewalk technical field, particularly relates to a kind of lubricated type additional brake.
Background technology
Current additional brake applies in escalator and moving sidewalk field in a large number, it is general by brake disc is arranged between drive sprocket and platen, brake disc is fixed, again by implementing external force to brake disc, and by brake disc respectively and drive sprocket, to rub between platen, realize the braking of brake disc to drive sprocket, make escalator and moving sidewalk stop motion.But because staircase is often by the impact of installation period, some staircase or moving sidewalk may be placed a very long time in erecting stage and all not enable, add that some erecting stage environment is more severe, therefore before enabling, drive sprocket, brake disc friction face and braking platen, the brake disc friction face that contacts that contacts can get rusty bonding, thus affects the deceleration and stopping performance of additional brake.And drive sprocket, brake disc contact, friction face and braking platen, the brake disc abrasion loss of friction face under lubrication shape body that contact is less, and therefore the braking life-span of additional brake is high.
Summary of the invention
The purpose of this utility model is to provide a kind of lubricated type additional brake, can reach the object of not easily getting rusty with long service life.
For realizing the purpose of this utility model, the technical scheme taked is:
A kind of lubricated type additional brake, comprise drive sprocket, brake disc, platen and latching device, brake disc to be located between drive sprocket and platen and to be leant with drive sprocket and platen, brake disc and drive sprocket against position be arranged with the first oil groove, brake disc and platen against position be arranged with the second oil groove, through hole is provided with in brake disc, and the two ends of through hole are communicated with the first oil groove, the second oil groove respectively, platen is provided with the oiling through hole corresponding with through hole, and platen is connected with drive sprocket by latching device.
By lubricant being injected in the first oil groove and the second oil groove at oiling through hole and through hole, lubricant is distributed to friction face that brake disc contacts with drive sprocket and the friction face that brake disc contacts with platen, the friction face that the friction face that brake disc contacts with drive sprocket, brake disc contact with platen can not get rusty and bond under the condition of bad environments, ensures the deceleration and stopping performance of additional brake; And the relative sliding amount of friction of friction face under lubricating status is more less than the relative sliding abrasion loss under dry condition, therefore few to the damage of drive sprocket, platen, brake disc, longer service life.
Below technical scheme is further illustrated:
Further, oiling through hole is provided with oil nozzle away from the side of brake disc, and oil nozzle is communicated with oiling through hole.By oil nozzle, lubricant is injected oiling through hole, easy to operate.
Be further, the annular groove that it is the center of circle that first oil groove and the second oil groove are with the axle center of brake disc, lubricant is evenly distributed to friction face that brake disc contacts with drive sprocket and the friction face that brake disc contacts with platen, ensures the deceleration and stopping performance of additional brake further.
Be further, latching device comprises disk spring, disk spring seat, screw bolt and nut, drive sprocket and platen are provided with corresponding mounting hole, disk spring and disk spring seat are all sheathed on bolt, bolt is fed through mounting hole and is connected with nut, and the two ends of disk spring abut platen and disk spring seat respectively.By tighting a bolt disk spring being compressed, the elasticity of drive sprocket, brake disc and platen three fitting surface can be adjusted, namely by the amount of compression of adjustment disk spring, the braking force adapted with it can be set according to different hoisting depth.
Further, drive sprocket is provided with the first groove coordinated with brake disc peripheral shape, and brake disc is provided with the second groove coordinated with platen peripheral shape, brake disc is positioned at the first groove, platen is positioned at the second groove, makes the more compact structure of additional brake, to save installing space.
Further, lubricated type additional brake also comprises locating dowel pin, and drive sprocket and platen are provided with the pin-and-hole mated with locating dowel pin, and drive sprocket and platen are connected by locating dowel pin and pin-and-hole.When preventing drive sprocket from braking occurring, huge impact shear power produces fail in shear to the bolt of latching device, extends the service life of additional brake further.
Further, drive sprocket is cast iron materials, and brake disc is cast steel material, and platen is cast iron materials.Because the material of drive sprocket and brake disc is variant, brake disc and platen material variant, ensure three in relative motion time, can not there is gummed and affect deceleration and stopping performance in friction face, and avoids the damage to friction face.
Compared with prior art, the utility model has following beneficial effect:
The utility model is provided with annular oil groove respectively by the position leant at brake disc and drive sprocket and platen, and by oil nozzle, oiling through hole and through hole, lubricant is injected oil groove, on lubricant is evenly distributed to friction face that brake disc contacts with drive sprocket and the friction face that brake disc contacts with platen, friction face can not be got rusty bonding under the condition of bad environments, ensure the deceleration and stopping performance of additional brake; And the relative sliding amount of friction of friction face under lubricating status is more less than the relative sliding abrasion loss under dry condition, reduces the wearing and tearing to drive sprocket, brake disc, platen, makes the longer service life of lubricated type additional brake.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment lubricated type additional brake;
Fig. 2 is the structural representation of the utility model embodiment brake disc;
Fig. 3 is the structural representation of the utility model embodiment platen;
Fig. 4 is the structural representation of the utility model embodiment latching device;
Fig. 5 is the scheme of installation of the utility model embodiment lubricated type additional brake
Description of reference numerals:
100. drive sprockets, 110. first grooves, 200. brake discs, 210. first oil grooves, 220. second oil grooves, 230. through holes, 240. second grooves, 250. breach, 300. platens, 310. oiling through holes, 320. oil nozzles, 330. shrinkage pools, 400. latching devices, 401. mounting holes, 410. disk springs, 420. disk spring seats, 430. disk spring pretension bolts, 440. hexagon thin nuts, 500. locating dowel pins, 501. pin-and-holes, 600. flanges, 700. main shafts, 800. truss.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As shown in Figure 1, a kind of lubricated type additional brake, comprise drive sprocket 100, brake disc 200, platen 300 and latching device 400, brake disc 200 is located between drive sprocket 100 and platen 300, and lean with drive sprocket 100 and platen 300, brake disc 200 and drive sprocket 100 against position be arranged with the first oil groove 210, brake disc 200 and platen 300 against position be arranged with the second oil groove 220, through hole 230 is provided with in described brake disc 200, and the two ends of described through hole 230 respectively with described first oil groove 210, described second oil groove 220 is communicated with, platen 300 is provided with the oiling through hole 310 corresponding with through hole 230, oiling through hole 310 is provided with oil nozzle 320 away from the side of brake disc 200, oil nozzle 320 is communicated with oiling through hole 310, platen 300 is connected with drive sprocket 100 by latching device 400.
By oil nozzle 320, oiling through hole 310 and through hole 230, lubricant is injected in the first oil groove 210 and the second oil groove 220, lubricant is distributed to friction face that brake disc 200 contacts with drive sprocket 100 and the friction face that brake disc 200 contacts with platen 300, the friction face that the friction face that brake disc 200 contacts with drive sprocket 100, brake disc 200 contact with platen 300 can not get rusty and bond under the condition of bad environments, ensures the deceleration and stopping performance of additional brake; And the relative sliding amount of friction of friction face under lubricating status is more less than the relative sliding abrasion loss under dry condition, therefore few to the damage of drive sprocket 100, brake disc 200, platen 300, longer service life.
As shown in Figure 1, drive sprocket 100 is provided with the first groove 110 coordinated with brake disc 200 peripheral shape, brake disc 200 is provided with the second groove 240 coordinated with platen 300 peripheral shape, brake disc 200 is positioned at the first groove 110, platen 300 is positioned at the second groove 240, to save installing space, make the more compact structure of additional brake.
As depicted in figs. 1 and 2, the annular groove that it is the center of circle that first oil groove 210 and the second oil groove 220 are with the axle center of brake disc 200, lubricant is evenly distributed to friction face that brake disc 200 contacts with drive sprocket 100 and the friction face that brake disc 200 contacts with platen 300, ensures the deceleration and stopping performance of additional brake further.
In the present embodiment, first oil groove 210 and the second oil groove 220 are with one heart and with the annular groove of size, the annular groove of decentraction or different size can also be set to from drive sprocket 100 contact surface and brake disc 200 with the contact surface position of platen 100 according to brake disc 200, through hole 230 is set to straight hole or inclined hole according to the position of the first oil groove 210 and the second oil groove 220, or arranges a set of oil nozzle 320, oiling through hole 310 and through hole 230 to each oil groove is supporting.
As shown in Figure 3, latching device 400 comprises disk spring 410, disk spring seat 420, disk spring pretension bolt 430 and hexagon thin nut 440, disk spring 410 and disk spring seat 420 are all sheathed on disk spring pretension bolt 430, as shown in Figure 1, drive sprocket 100 and platen 300 are provided with corresponding mounting hole 401, disk spring pretension bolt 430 is through mounting hole 401 and to utilize hexagonal nut 440 to carry out locking, and the two ends of disk spring 410 abut platen 300 and disk spring seat 420 respectively.Compress by tightening disk spring pretension bolt 430 pairs of disk springs 410, the elasticity of drive sprocket 100, brake disc 200 and platen 300 three fitting surface can be adjusted, and by controlling the amount of compression of disk spring 410, the braking force adapted with it can be set according to different hoisting depth.Disk spring 410 can also be set to other forms of Compress Spring.
As shown in Figure 4, platen 300 is provided with away from one end of brake disc 200 shrinkage pool 330 being communicated with mounting hole 401, latching device 400 is arranged on after on platen 300, as shown in Figure 1, disk spring 410 and disk spring seat 420 are all built in shrinkage pool 330, further saving installing space, makes the more compact structure of additional brake.
As shown in Figure 1, lubricated type additional brake also comprises locating dowel pin 500, and drive sprocket 100 and platen 300 are provided with the pin-and-hole 501 mated with locating dowel pin 500, and drive sprocket 100 and platen 300 are connected by locating dowel pin 500 and pin-and-hole 501.When preventing drive sprocket 100 from braking occurring, the disk spring pretension bolt 430 of huge impact shear power to latching device 400 produces fail in shear, extends the service life of additional brake further.
Drive sprocket 100 is cast iron materials, and brake disc 200 is cast steel material or forged steel material, and platen 300 is cast iron materials.Because the material of drive sprocket 100 and brake disc 200 is variant, brake disc 200 and platen 300 material variant, ensure three in relative motion time, can not there is gummed and affect deceleration and stopping performance in friction face, and avoids the damage to friction face.Drive sprocket 100, brake disc 200 and platen 300 can also arrange the material that other have otherness.
As shown in Figure 5, lubricated type extra brake devices, also comprise flange 600, main shaft 700 and truss 800, flange 600 is set on main shaft 700, drive sprocket 100 is sleeved on flange 600, truss 800 is provided with slipper (accompanying drawing does not identify), and as shown in Figure 2, brake disc 200 is provided with the breach 250 engaged with slipper.When staircase or footway are run, the slipper on truss 800 is separated with breach 250, and main shaft 700 drives drive sprocket 100 to rotate, and brake disc 200 rotates together with drive sprocket 100 with platen 300; When staircase will be braked or footway runs, slipper on truss 800 and breach 250 engage, brake disc 200 stops operating, staircase or footway are run under effect of inertia, there is relative motion and produce friction force in brake disc 200 and drive sprocket 100, platen 300, staircase or footway are finally braked under the effect of kinetic force of friction.
The utility model example lubricated type additional brake is provided with annular oil groove respectively by the position leant at brake disc 200 and drive sprocket 100 and brake disc 200 and platen 300, and by oil nozzle 320, oiling through hole 310 and through hole 230, lubricant is injected oil groove, on lubricant is evenly distributed to friction face that brake disc 200 contacts with drive sprocket 100 and the friction face that brake disc 200 contacts with platen 300, friction face can not be got rusty bonding under the condition of bad environments, ensure the deceleration and stopping performance of additional brake; And the relative sliding amount of friction of friction face under lubricating status is more less than the relative sliding abrasion loss under dry condition, reduces the wearing and tearing to drive sprocket 100, brake disc 200, platen 300, makes the longer service life of lubricated type additional brake.In use, if the contact surface between drive sprocket 100, brake disc 200, platen 300 exists wearing and tearing, disk spring pretension bolt 430 can also be tightened, disk spring 410 is compressed further, ensure the braking ability of additional brake, and improve the alerting ability of additional brake use.
The above embodiment only have expressed detailed description of the invention of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (7)
1. a lubricated type additional brake, comprise drive sprocket, brake disc, platen and latching device, it is characterized in that, described brake disc is located between described drive sprocket and described platen, and lean with described drive sprocket and described platen, described brake disc and described drive sprocket against position be arranged with the first oil groove, described brake disc and described platen against position be arranged with the second oil groove, through hole is provided with in described brake disc, and the two ends of described through hole respectively with described first oil groove, described second oil groove is communicated with, described platen is provided with the oiling through hole corresponding with described through hole, described platen is connected with described drive sprocket by described latching device.
2. lubricated type additional brake according to claim 1, is characterized in that, described oiling through hole is provided with oil nozzle away from the side of described brake disc, and described oil nozzle is communicated with described oiling through hole.
3. lubricated type additional brake according to claim 2, is characterized in that, the annular groove that it is the center of circle that described first oil groove and described second oil groove are with the axle center of described brake disc.
4. the lubricated type additional brake according to any one of claims 1 to 3, it is characterized in that, described latching device comprises disk spring, disk spring seat, screw bolt and nut, described drive sprocket and described platen are provided with corresponding mounting hole, described disk spring and described disk spring seat are all sheathed on described bolt, described bolt is fed through described mounting hole and is connected with described nut, and the two ends of described disk spring abut described platen and described disk spring seat respectively.
5. the lubricated type additional brake according to any one of claims 1 to 3, it is characterized in that, described drive sprocket is provided with the first groove coordinated with described brake disc peripheral shape, described brake disc is provided with the second groove coordinated with described platen peripheral shape, described brake disc is positioned at described first groove, and described platen is positioned at described second groove.
6. the lubricated type additional brake according to any one of claims 1 to 3, it is characterized in that, also comprise locating dowel pin, described drive sprocket and described platen are provided with the pin-and-hole mated with described locating dowel pin, and described drive sprocket and described platen are connected by described locating dowel pin and described pin-and-hole.
7. the lubricated type additional brake according to any one of claims 1 to 3, is characterized in that, described drive sprocket is cast iron materials, and described brake disc is cast steel material, and described platen is cast iron materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529909.1U CN204079356U (en) | 2014-09-15 | 2014-09-15 | Lubricated type additional brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529909.1U CN204079356U (en) | 2014-09-15 | 2014-09-15 | Lubricated type additional brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204079356U true CN204079356U (en) | 2015-01-07 |
Family
ID=52172094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420529909.1U Withdrawn - After Issue CN204079356U (en) | 2014-09-15 | 2014-09-15 | Lubricated type additional brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204079356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229664A (en) * | 2014-09-15 | 2014-12-24 | 日立电梯（广州）自动扶梯有限公司 | Lubricating type additional brake |
-
2014
- 2014-09-15 CN CN201420529909.1U patent/CN204079356U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229664A (en) * | 2014-09-15 | 2014-12-24 | 日立电梯（广州）自动扶梯有限公司 | Lubricating type additional brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160615 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |