CN206827859U - A kind of chain stretching device of self-lubricating - Google Patents
A kind of chain stretching device of self-lubricating Download PDFInfo
- Publication number
- CN206827859U CN206827859U CN201720737865.5U CN201720737865U CN206827859U CN 206827859 U CN206827859 U CN 206827859U CN 201720737865 U CN201720737865 U CN 201720737865U CN 206827859 U CN206827859 U CN 206827859U
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- China
- Prior art keywords
- oil
- chain
- lubricating
- self
- tightener sprocket
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Abstract
The utility model discloses a kind of chain stretching device of self-lubricating, including：Support and the tightener sprocket being rotatably installed on support, the tightener sprocket inside are provided with shoe cream room, the oil-out connected with shoe cream room are provided with least one teeth groove position of tightener sprocket, is provided with oil-out and triggered by chain and open the piston of oil-out.A part for piston is extended to outside oil-out as the trigger head being engaged with chain.The chain stretching device of self-lubricating provided by the utility model, the tensioning of chain and the lubrication of chain can be realized simultaneously, compact-sized, tension effects are good, and oil site and lubrication amount are controllable, do not pollute the environment.
Description
Technical field
It the utility model is related to staircase technical field, and in particular to a kind of chain stretching device of self-lubricating.
Background technology
Escalator turns into the essential vehicles in public place such as subway, station, square, in prior art
In, the tensioning of main drive chain bar is realized for the briquetting compression main drive chain bar of polyurethane using material, polyurethane briquetting compresses category
Contacted in face, crush artificially adjusts floating greatly, and chain longtime running can cause considerable wear to polyurethane, so that chain is loose
It is dynamic.
In the prior art, the lubrication of main drive chain bar is realized using independent lubricating system, is driven specifically by motor
Lubricating pump types it out lubricating oil, then by lubricating oil pipeline and various control valves and control component, by chain greasisng oil
Chain greasisng oil drop is supplied in the form of fluid.Existing lubricating system is complicated, and electrical control is more, and lubrication uses extensive style
Uninterrupted pipeline stream oil lubrication, oil pipe is placed on above chain, and oil-out distance chain oil site also has certain distance, lubricates
Point is not easy accurately to control, and lubrication amount does not reach accurate control yet, it is easy to lubricating oil occurs and drips to chain outside or oil droplet profit
The situation for the amount of slipping over, causes fluid to flow over, and causes serious environmental pollution.
Utility model content
The utility model provides a kind of chain stretching device of self-lubricating, real using the tightener sprocket being meshed with chain
Now it is tensioned, makes tensioning more stable, while in tightener sprocket memory storage lubricating oil, and by the supply of chain triggering lubricating oil, it is real
Existing oil site and lubrication amount it is controllable.
A kind of chain stretching device of self-lubricating, including：Support and the tightener sprocket being rotatably installed on support, it is described
Shoe cream room is provided with inside tightener sprocket, the oil-out connected with shoe cream room is provided with least one teeth groove position of tightener sprocket,
It is provided with oil-out and is triggered by chain and open the piston of oil-out.
Chain stretching device provided by the utility model can realize the tensioning of chain and the lubrication of chain, structure simultaneously
It is compact, and tension effects are good, avoid the problem of polyurethane briquetting is easy to wear in the prior art, and oil site and lubrication amount can
Control, does not pollute the environment.
In use, tightener sprocket engages with the main drive chain bar of staircase, when main drive chain bar moves, tightener sprocket rotation is driven
Turn, when the roller of main drive chain bar engage with the teeth groove where oil-out, roller urges piston opening oil-out, in shoe cream room
Lubricating oil flow to via oil-out on main drive chain bar.
Oil-out can be set at multiple teeth groove positions of tightener sprocket as needed, meet lubricating requirement.
Preferably, a part for piston is extended to outside oil-out as the trigger head being engaged with chain.Trigger head
Under the extruding of staircase main drive chain bar, piston is promoted to be retreated towards tightener sprocket, open oil-out.
Preferably, being communicated with the oil duct between shoe cream room and oil-out in the tightener sprocket, it is provided with oil duct
Oil-control mouth, is transition oil pocket between the oil-control mouth and the oil-out, and bridging oil intracavitary is provided with the floating being engaged with oil-control mouth
Valve element.
Floating plug is used for the opening and sealing for controlling oil-control mouth, by selecting the volume size of suitable transition oil pocket,
Control the flow of lubricating oil.
Preferably, the control oil port is provided with the first sealed step being engaged with floating plug.Floating plug and
One sealed step coordinates, and closes oil-control mouth.
For the ease of realizing the cooperation with the first sealed step, it is preferable that the floating plug is spherical.
Preferably, the piston is the hollow body of rod, the side wall of the body of rod is provided with oil outlet, and the bridging oil intracavitary is provided with
The second sealed step being engaged with oil outlet.
Lubricating oil after by oil outlet, i.e., no longer set it is any block, it is therefore contemplated that oil outlet and oil-out
Synchronous opening, close synchronously.
Piston moves, when oil outlet is close just by second under the main drive chain bar effect of staircase along the axis direction of the body of rod
When envelope step blocks, oil outlet closing, namely oil-out closing；When oil outlet and the second sealed step are on body of rod axis direction
During dislocation, oil outlet opens, namely oil-out opens.
Preferably, the connector of conduction motion is provided between the floating plug and piston；Piston triggers by chain
Floating plug is driven to close oil-control mouth by connector under state, floating plug opens oil-control mouth and passed through under gravity
Connector drives the piston closing oil-out after departing from chain.
Floating plug and piston is linked by connector, by the linkage of floating plug and piston, realize oil-control mouth and
The alternating open of oil-out, and flow of lubricating oil is controlled with this, ensure higher lubrication precision.
Preferably, the connector is the spring acted between floating plug and piston.
Backward movement, towards during the retrogressing of tightener sprocket inside, is transferred to by the trigger head of piston by chains advances by spring
Floating plug, floating plug and the first sealed step is set to coordinate closure oil-control mouth, when the trigger head of piston is not by chain
During impetus, floating plug opens oil-control mouth under gravity, and promotes piston to close oil-out by spring.
Two chains that the main drive chain strip adoption of staircase is arranged side by side, it is preferable that the tightener sprocket is carried and arranged
The two circle gear teeth put, in the axial direction of tightener sprocket, for the shoe cream room between the two circle gear teeth, the two circle gear teeth are respectively equipped with institute
State oil-out.
The gear teeth are often enclosed respectively with corresponding chain interoperation, and the teeth groove position for often enclosing the gear teeth is equipped with oil-out.
Preferably, the oil duct radially extends along tightener sprocket, one end extends to the oil-out, and the other end extends to
Neighbouring tightener sprocket axis position is simultaneously communicated to the corresponding side of shoe cream room by axially extending oil-through hole.
Preferably, the end of the tightener sprocket axial direction is provided with the pouring orifice connected with shoe cream room, and sealing should
The plug of pouring orifice.The plug coordinates with pouring orifice screw thread, and lubricating oil can be added to shoe cream room inside by periodically turning on plug.
Preferably, tightener sprocket has horizontal pivot center, the position that tightener sprocket is engaged with chain is work
Portion, and work department avoids the minimum point of tightener sprocket.
The work department refers to the position that tightener sprocket engages with chain, and work department avoids the minimum point of tightener sprocket, energy
When enough realizing that the piston in tightener sprocket is triggered, the bearing of trend of oil duct is in tilted layout, to control lubricating oil slowly to flow out
Hydraulic fluid port.
The chain stretching device is bolted on truss, in order to adjust the tensioning journey of the main drive chain bar of staircase
Degree, it is preferable that the support is provided with position adjustments hole.
The position adjustments hole is bar hole, and the bearing of trend of bar hole is roughly parallel to the bearing of trend of oil duct.
In the utility model unless otherwise specified, chain refers to the main drive chain bar of staircase.
The chain stretching device of self-lubricating provided by the utility model, tensioning and the chain of chain can be realized simultaneously
Lubrication, compact-sized, tension effects are good, and oil site and lubrication amount are controllable, do not pollute the environment.
Brief description of the drawings
Fig. 1 is the schematic diagram of the chain stretching device of the utility model self-lubricating；
Fig. 2 be in Fig. 1 A-A to sectional view；
Fig. 3 is the D portions enlarged drawing in Fig. 2；
Fig. 4 is the B direction views in Fig. 1；
Fig. 5 is the schematic diagram that the chain stretching device of the utility model self-lubricating is engaged with staircase main drive chain bar；
Fig. 6 is the C direction views in Fig. 5.
In figure：1st, position adjustments hole；2nd, support；3rd, tightener sprocket；4th, end cap；5th, oil-through hole；6th, shoe cream room；7th, bearing；
8th, jump ring；9th, oil outlet；10th, plug；11st, oil-control mouth；12nd, the first sealed step；13rd, floating plug；14th, spring；15th, connect
Seat；16th, the second sealed step；17th, piston；18th, transition oil pocket；19th, oil-out；20th, chain；21st, truss.
Embodiment
Below in conjunction with the accompanying drawings, the chain stretching device of the utility model self-lubricating is described in detail.
As shown in Figure 1 and Figure 2, a kind of chain stretching device of self-lubricating, including：Support 2 and it is rotatably installed in support 2
On tightener sprocket 3.
As shown in figure 1, support 2 is provided with the position adjustments hole 1 of bar shaped, position adjustments hole 1 is two be arranged side by side.
As shown in Fig. 2 tightener sprocket 3 carries the two circle gear teeth being arranged side by side, the inside of tightener sprocket 3 is provided with shoe cream room 6,
In the axial direction of tightener sprocket 3, shoe cream room 6 is between the two circle gear teeth.
The pouring orifice connected with shoe cream room 6 is provided with one axial end of tightener sprocket 3, another axial end, which is provided with, to be turned
Axle.The plug 10 of sealed oiling mouth is provided with pouring orifice, plug 10 coordinates with pouring orifice screw thread.Rotating shaft and two circle gear teeth coaxial lines
Set, and be rotatably installed in by bearing 7 on support 2.Bearing 7 is arranged on support 2 by jump ring 8, and support 2 is provided with and card
The mounting groove that spring 8 is engaged.End cap 4 is provided with by bolt on support 2, end cap 4 covers the axial direction that rotating shaft deviates from tightener sprocket 3
End face.
As shown in figure 4, a teeth groove position for often enclosing the gear teeth is provided with the oil-out 19 connected with shoe cream room 6, such as Fig. 2 institutes
Show, be provided with oil-out 19 and triggered by chain 20 and open the piston 17 of oil-out 19.
As shown in Figure 2 and Figure 3, a part for piston 17 is extended to outside oil-out 19 and touched as what is be engaged with chain 20
Send out head.Piston 17 is the hollow body of rod, and the side wall of the body of rod is provided with oil outlet 9, and the body of rod extends one end outside oil-out 19
Open, the other end is closed by connecting seat 15.The flow direction of lubricating oil is as shown by the arrows in Figure 3.
The oil duct being communicated with tightener sprocket 3 between shoe cream room 6 and oil-out 19, oil duct along tightener sprocket 3 radially
Extension, one end extend to oil-out 19, and the other end extends to the neighbouring axis position of tightener sprocket 3 and by axially extending excessively oily
Hole 5 is communicated to the corresponding side of shoe cream room 6.
Oil-control mouth 11 is provided with oil duct, is transition oil pocket 18 between oil-control mouth 11 and oil-out 19, is set in transition oil pocket 18
There is the floating plug 13 being engaged with oil-control mouth 11, floating plug 13 is spherical, is provided with and the phase of floating plug 13 at oil-control mouth 11
The first sealed step 12 coordinated.The second sealed step 16 being engaged with oil outlet 9 is additionally provided with transition oil pocket 18.
Between floating plug 13 and piston 17 be provided with conduction motion connector, connector for act on floating plug 13 with
Spring 14 between piston 17, the both ends of spring 14 are connected or are resisted against respectively on corresponding connecting seat 15 and floating plug 13.
The chain stretching device of self-lubricating provided by the utility model and the mated condition schematic diagram of chain such as Fig. 5, Fig. 6 institute
Show, by the way that chain stretching device is fixed on the truss 21 of staircase through the bolt in position adjustments hole 1, position adjustments hole 1
Bearing of trend is approximately perpendicular to the moving direction of site of engagement chain 20, the i.e. position by regulating bolt in position adjustment hole 1
Put, adjust the tensioning degree of chain 20.
As shown in figure 5, the pivot center of tightener sprocket 3 is horizontally disposed, the position that tightener sprocket 3 is meshed with chain 20 is
Work department, work department avoid the minimum point of tightener sprocket 3.
The course of work of chain stretching device provided by the utility model is described as follows：
When the chain 20 of staircase operates, the synchronous axial system of tightener sprocket 3 is driven, when chain 20 and the engagement place of tightener sprocket 3 are proper
At oil-out 19, the roller extruding trigger head of chain 20, move up the compression spring 14 of piston 17, spring 14 compresses simultaneously
Floating plug 13 is pushed up, floating plug 13 is offseted with the first sealed step 12, and oil-control mouth 11 is closed, that is, cuts off shoe cream room 6
Lubricating oil circulation between transition oil pocket 18, at the same time, the oil outlet 9 on piston 17 misplaces with the second sealed step 16,
Lubricating oil in transition oil pocket 18 passes sequentially through oil outlet 9 under gas pressure and oil-out 19 flows out tightener sprocket 3, flow to
On the oil site of chain 20.
When chain 20 and the engagement place of tightener sprocket 3 are not at oil-out 19, spring 14 recovers deformation and compresses work downwards
Plug 17, the oil outlet 9 on piston 17 are closed by the second sealed step 16, block outflow of lubrication oil transition oil pocket 18, floating plug
13 under self gravitation effect, departs from the cooperation with the first sealed step 12, i.e., open oil-control mouth 11, the lubrication in shoe cream room 6
Oil is entered in transition oil pocket 18 by oil-control mouth 11, and trigger head is extruded by chain 20 next time for wait.
Only most preferred embodiment is described in detail above, but it is not intended that its other party implemented to the utility model
The limitation of formula, every further improvement and similar or identical scheme on the basis of the utility model, it is this practicality to be accordingly to be regarded as
New claimed scope.
Claims (10)
1. a kind of chain stretching device of self-lubricating, including：Support and the tightener sprocket being rotatably installed on support, its feature
It is, shoe cream room is provided with inside the tightener sprocket, is provided with least one teeth groove position of tightener sprocket and is connected with shoe cream room
Oil-out, at oil-out be provided with by chain trigger and open the piston of oil-out.
2. the chain stretching device of self-lubricating as claimed in claim 1 a, it is characterised in that part for piston extends to fuel-displaced
Mouth is outside as the trigger head being engaged with chain.
3. the chain stretching device of self-lubricating as claimed in claim 1, it is characterised in that be communicated with the tightener sprocket
Oil duct between shoe cream room and oil-out, oil-control mouth is provided with oil duct, is bridging oil between the oil-control mouth and the oil-out
Chamber, bridging oil intracavitary are provided with the floating plug being engaged with oil-control mouth.
4. the chain stretching device of self-lubricating as claimed in claim 3, it is characterised in that the control oil port is provided with and floating
The first sealed step that valve element is engaged.
5. the chain stretching device of self-lubricating as claimed in claim 3, it is characterised in that the piston is the hollow body of rod,
The side wall of the body of rod is provided with oil outlet, and the bridging oil intracavitary is provided with the second sealed step being engaged with oil outlet.
6. the chain stretching device of self-lubricating as claimed in claim 3, it is characterised in that between the floating plug and piston
Connector provided with conduction motion；Piston is driving floating plug to close oil-control mouth under by chain triggering state by connector,
Floating plug opens oil-control mouth and drives the piston after departing from chain to close oil-out by connector under gravity.
7. the chain stretching device of self-lubricating as claimed in claim 6, it is characterised in that the connector is to act on floating
Spring between valve element and piston.
8. the chain stretching device of self-lubricating as claimed in claim 1, it is characterised in that the tightener sprocket is carried and arranged
The two circle gear teeth put, in the axial direction of tightener sprocket, for the shoe cream room between the two circle gear teeth, the two circle gear teeth are respectively equipped with institute
State oil-out.
9. the chain stretching device of self-lubricating as claimed in claim 3, it is characterised in that the oil duct along tightener sprocket radially
Extension, one end extend to the oil-out, and the other end extends to neighbouring tightener sprocket axis position and by axially extending mistake
Oilhole is communicated to the corresponding side of shoe cream room.
10. the chain stretching device of the self-lubricating as described in any one of claim 1~9, it is characterised in that the tightener sprocket
The end of axial direction is provided with the pouring orifice connected with shoe cream room, and seals the plug of the pouring orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737865.5U CN206827859U (en) | 2017-06-23 | 2017-06-23 | A kind of chain stretching device of self-lubricating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737865.5U CN206827859U (en) | 2017-06-23 | 2017-06-23 | A kind of chain stretching device of self-lubricating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206827859U true CN206827859U (en) | 2018-01-02 |
Family
ID=60777927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720737865.5U Expired - Fee Related CN206827859U (en) | 2017-06-23 | 2017-06-23 | A kind of chain stretching device of self-lubricating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206827859U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416641A (en) * | 2017-06-23 | 2017-12-01 | 杭州西奥电梯有限公司 | A kind of chain stretching device of self-lubricating |
| CN113788392A (en) * | 2021-09-01 | 2021-12-14 | 日立电梯（广州）自动扶梯有限公司 | Additional brake and escalator or moving sidewalk |
| CN115140674A (en) * | 2022-09-06 | 2022-10-04 | 河南东起机械有限公司 | Chain transmission crane |
-
2017
- 2017-06-23 CN CN201720737865.5U patent/CN206827859U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416641A (en) * | 2017-06-23 | 2017-12-01 | 杭州西奥电梯有限公司 | A kind of chain stretching device of self-lubricating |
| CN107416641B (en) * | 2017-06-23 | 2023-03-07 | 杭州西奥电梯有限公司 | Self-lubricating chain tensioning device |
| CN113788392A (en) * | 2021-09-01 | 2021-12-14 | 日立电梯（广州）自动扶梯有限公司 | Additional brake and escalator or moving sidewalk |
| CN115140674A (en) * | 2022-09-06 | 2022-10-04 | 河南东起机械有限公司 | Chain transmission crane |
| CN115140674B (en) * | 2022-09-06 | 2023-01-13 | 河南东起机械有限公司 | Chain transmission crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20210623 |