CN213982937U - Lubricating device for escalator - Google Patents
Lubricating device for escalator Download PDFInfo
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- CN213982937U CN213982937U CN202023122591.XU CN202023122591U CN213982937U CN 213982937 U CN213982937 U CN 213982937U CN 202023122591 U CN202023122591 U CN 202023122591U CN 213982937 U CN213982937 U CN 213982937U
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- lubricating
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- positive displacement
- lubricating oil
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Abstract
The utility model provides a lubricating arrangement for automatic escalator, including a lubricating arrangement for automatic escalator, include: an oil tank for storing lubricating oil; the pump is used for pumping out the lubricating oil in the oil tank and providing pressure for the transmission of the lubricating oil; a distribution block for distributing the lubricating oil pumped from the tank into at least one oil circuit leading to at least one branch chain of the escalator; the at least one brush is respectively arranged at the tail end of the oil path close to the branch chain and used for brushing the lubricating oil conveyed in the oil path onto the branch chain; and a positive displacement metering piece is arranged in each oil path at the upstream of the hairbrush, and the positive displacement metering piece transmits the lubricating oil in the oil path to the hairbrush in a multi-oil-outlet mode. According to the utility model discloses a lubricating arrangement for automatic escalator can realize carrying out accurate control to the lubricated oil mass of different branch chain distributions.
Description
Technical Field
The utility model relates to a lubricating arrangement for automatic escalator.
Background
At present, in the technical field of escalators for public transportation, most of lubricating devices for escalators distribute automatic lubrication in a proportional mode, and although the oil feeding amount can be controlled in different regions and controlled in different time periods, the kinematic viscosity of lubricating oil in the transmission process changes due to temperature change, and the precision of the existing proportional distribution is poor, so that the oil amount distributed by the lubricating devices is greatly different from the expected oil amount, the distributed oil amount is too small, the lubrication of branch chains of the escalators is insufficient, safety risks are generated, or the distributed oil amount is too much, and the lubrication of the branch chains of the escalators is excessive, so that waste and pollution are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lubricating arrangement for automatic escalator in order to solve the problem among the prior art.
An aspect of the utility model provides a lubricating arrangement for automatic escalator, include: an oil tank for storing lubricating oil; the pump is used for pumping out the lubricating oil in the oil tank and providing pressure for the transmission of the lubricating oil; a distribution block for distributing the lubricating oil pumped from the tank into at least one oil circuit leading to at least one branch chain of the escalator; at least one brush is respectively arranged at the tail end of the oil path close to the branch chain and used for brushing the lubricating oil conveyed in the oil path onto the branch chain; and a positive displacement metering piece is arranged in each oil path at the upstream of the hairbrush, and the positive displacement metering piece transmits the lubricating oil in the oil path to the hairbrush in a multi-oil-outlet mode.
According to an exemplary embodiment of the present invention, the oil circuit is provided with an electromagnetic valve upstream of the positive displacement meter for controlling the number of times of operation of the positive displacement meter.
According to another exemplary embodiment of the present invention, the solenoid valve and the positive displacement metering member are integrated with the distribution block.
According to another exemplary embodiment of the present invention, the volumetric metering element produces the same amount of oil at every turn in the multiple oil production mode.
According to another exemplary embodiment of the present invention, the lubricating device further comprises a pressure switch arranged between the pump and the distribution block for detecting the pressure of the delivered lubricating oil.
According to another exemplary embodiment of the present invention, the lubricating device further comprises an overflow valve arranged between the pump and the distribution block for adjusting the pressure of the delivered lubricating oil.
According to the utility model discloses a further exemplary embodiment, lubricating arrangement still includes level switch, sets up the inside of oil tank for detect the liquid level of the lubricating oil that holds in the oil tank.
According to another exemplary embodiment of the present invention, the pump is a gear pump.
According to the utility model discloses a quantity of at least one oil circuit is a plurality of, some oil circuits in a plurality of oil circuits branch off respectively and form two branch oil circuits, in every branch oil circuit the upstream of brush is provided with positive displacement metering element.
According to another exemplary embodiment of the present invention, the fluid distribution block distributes the lubricating oil to three oil paths, wherein two oil paths in the three oil paths are branched into two branched oil paths, respectively, and the number of the solenoid valves is two, and the solenoid valves are disposed in one branched oil path and one non-branched oil path, respectively.
According to the utility model discloses a left side host computer driving chain and right side host computer driving chain are access to respectively to two bifurcated oil circuit that the upper reaches were provided with the solenoid valve, and left side step chain and right side step chain are access to respectively to two bifurcated oil circuit that the upper reaches did not set up the solenoid valve, and handrail driving chain is access to non-bifurcated oil circuit.
According to the utility model discloses a lubricating arrangement for automatic escalator can solve current lubricating arrangement and to the lubricating oil mass of automatic escalator's branch chain distribution not accurate enough, and the lubricating oil mass of distribution receives the great problem of temperature influence. Through according to the utility model discloses a lubricating arrangement for automatic escalator can guarantee to the sufficient lubrication of automatic escalator's branch chain, avoids temperature variation to bring great influence, can realize carrying out accurate control to the lubricated oil mass of different branch chain distributions simultaneously.
Drawings
Fig. 1 shows a perspective view of a lubricating device for an escalator according to the invention;
fig. 2 shows a schematic view of the internal structure of a lubricating device for an escalator according to the present invention;
fig. 3 shows a schematic diagram of the oil circuit of the lubricating device for an escalator according to the invention; and
fig. 4 shows a perspective view and a front view of each elevation of a solenoid valve and a positive displacement metering element integrated with a distribution block in a lubricating device for an escalator according to the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.
According to the general concept of the present invention, there is provided a lubricating device for an escalator comprising: an oil tank for storing lubricating oil; the pump is used for pumping out the lubricating oil in the oil tank and providing pressure for the transmission of the lubricating oil; a distribution block for distributing the lubricating oil pumped from the tank into at least one oil circuit leading to at least one branch chain of the escalator; at least one brush is respectively arranged at the tail end of the oil path close to the branch chain and used for brushing the lubricating oil conveyed in the oil path onto the branch chain; and a positive displacement metering piece is arranged in each oil path at the upstream of the hairbrush, and the positive displacement metering piece transmits the lubricating oil in the oil path to the hairbrush in a multi-oil-outlet mode.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details.
Fig. 1 shows a perspective view of a lubricating device for an escalator according to the invention; fig. 2 shows a schematic view of the internal structure of a lubricating device for an escalator according to the present invention; fig. 3 shows a schematic diagram of an oil circuit of a lubricating device for an escalator according to the present invention.
As shown in the figure, according to the utility model discloses a lubricating arrangement for automatic escalator includes: an oil tank 10 for storing lubricating oil; a pump 1 for pumping out the lubricant in the oil tank 10 while providing pressure for the transfer of lubricant, in some embodiments, the pump 1 is a gear pump; a distribution block 5 for distributing the lubricating oil pumped from the oil tank 10 to at least one oil circuit 11, the at least one oil circuit 11 leading to at least one branch chain of the escalator; at least one brush 8, set up in the end close to said branch chain of the oil circuit 11 separately, is used for brushing the lubricating oil conveyed in said oil circuit 11 on the branch chain; wherein, a volumetric metering piece 6 is arranged in each oil path 11 at the upstream of the hairbrush 8, and the volumetric metering piece 6 transmits the lubricating oil in the oil path 11 to the hairbrush 8 in a mode of multiple oil outlet.
As shown, the pump 1 is not only required to pump the lubricating oil from the oil tank 10, but also to provide an initial power or working pressure for the transmission of the lubricating oil in the lubricating apparatus, which is sufficiently high to enable the lubricating oil to be transmitted to the end of the oil circuit 11 through the positive displacement metering member 6, at which pressure the positive displacement metering member 6 can operate normally and with some redundancy, but which initial power or working pressure cannot be too high either, increasing the risk of leakage of the lines of the oil circuit 11. The distribution block 5 distributes the pumped lubricating oil to a plurality of oil paths 11, a brush 8 is arranged at the tail end of each oil path 11, the lubricating oil conveyed from the oil paths 11 is brushed onto a branch chain, and the connection between the brush 8 and the oil paths 11 and the structure of the brush 8 belong to the common knowledge in the field and are not described in detail herein. Each oil path 11 is provided with a volumetric metering element 6, and the volumetric metering elements 6 can quantitatively discharge oil for a plurality of times, so that the oil paths 11 supply oil to the hairbrush 8 in a discrete mode.
As shown in the figure, an electromagnetic valve 7 is provided upstream of the positive displacement meter 6 in each oil passage 11 for controlling the number of operations of the positive displacement meter 6. Thus, the electromagnetic valve 7 controls the positive displacement meter 6 to control the amount of oil supplied to the fur brush 8 per oil passage 11.
Fig. 4 shows a perspective view and a front view of each elevation of the solenoid valve 7 and the positive displacement metering device 6 integrated with the distribution block 5 in the lubricating device for an escalator according to the present invention.
As shown, two solenoid valves 7 and five volumetric metering elements 6 are integrated with the distribution block 5. The integration in this way makes the structure of the lubricating device more compact and, in addition, allows centralized maintenance when a component is faulty.
In some embodiments, the volumetric metering device 6 produces the same amount of oil in each of the multiple oil discharge modes.
As shown in fig. 2, the lubricating device for an escalator of the present invention further includes a pressure switch 3 disposed between the pump 1 and the distribution block 5 for detecting the pressure of the transmitted lubricating oil.
The pressure switch 3 is arranged at the downstream of the pump 1 and at the upstream of the distribution block 5 and is used for detecting whether the pressure of the lubricating oil pumped by the pump 1 is normal or not, when the pressure is abnormal, the pump 1 is correspondingly adjusted, and when the pressure is deviated from the normal pressure and is overlarge, a prompt alarm is given.
As shown in the figure, the lubricating device for the escalator of the utility model also comprises an overflow valve 4, which is arranged between the pump 1 and the distribution block 5 and used for adjusting the pressure of the transmitted lubricating oil.
An overflow valve 4 is arranged downstream of the pump 1, upstream of the distribution block 5, for regulating the pressure of the pumped lubricating oil, the overflow valve 4 being opened when the pumping pressure is too high so that the pressure is reduced to the normal pressure required by the positive displacement metering member.
As shown in fig. 2, the lubricating device for the escalator of the present invention further includes a liquid level switch 2 disposed inside the oil tank 10 for detecting the liquid level of the lubricating oil contained in the oil tank 10. When the liquid level of the lubricating oil in the oil tank 10 is reduced to a preset threshold value, a prompt alarm is sent out to prompt that the lubricating oil is supplemented in time.
As shown in fig. 3 and 4, the lubricating device for an escalator of the present invention includes a plurality of oil paths 11, some of the oil paths 11 are branched to form two branch oil paths 12, and a positive displacement metering element 6 is disposed at the upstream of the brush 8 in each branch oil path 12.
Wherein the fluid distribution block 5 distributes the lubricating oil to three oil paths 11, wherein two oil paths 11 of the three oil paths 11 are respectively branched into two branch oil paths 12, and the number of the electromagnetic valves 7 is two, and the two branch oil paths 11 are respectively arranged in one branched oil path 11 and one non-branched oil path 11.
Wherein, the two branched oil paths 12 of which the upper stream is provided with the electromagnetic valve 7 are respectively led to the left main engine driving chain and the right main engine driving chain, the two branched oil paths 12 of which the upper stream is not provided with the electromagnetic valve 7 are respectively led to the left step chain and the right step chain, and the oil path 11 of which the upper stream is not branched is led to the handrail driving chain.
According to the utility model discloses a lubricating arrangement for automatic escalator can solve current lubricating arrangement and to the lubricating oil mass of automatic escalator's branch chain distribution not accurate enough, and the lubricating oil mass of distribution receives the great problem of temperature influence. Through according to the utility model discloses a lubricating arrangement for automatic escalator can guarantee to the sufficient lubrication of automatic escalator's branch chain, avoids temperature variation to bring great influence, can realize carrying out accurate control to the lubricated oil mass of different branch chain distributions simultaneously.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
Claims (11)
1. A lubrication device for an escalator comprising:
a tank (10) for storing lubricating oil;
a pump (1) for pumping out the lubricant in the oil tank (10) while providing pressure for the transfer of lubricant;
-a distribution block (5) for distributing the lubricating oil pumped from the oil tank (10) into at least one oil circuit (11), the at least one oil circuit (11) leading to at least one branch chain of the escalator;
at least one brush (8) respectively arranged at the tail end of the oil path (11) close to the branch chain and used for brushing lubricating oil conveyed in the oil path (11) onto the branch chain;
wherein a positive displacement metering piece (6) is arranged in each oil path (11) at the upstream of the hairbrush (8), and the positive displacement metering piece (6) conveys the lubricating oil in the oil path (11) to the hairbrush (8) in a mode of multiple oil outlet.
2. Lubricating apparatus according to claim 1, characterised in that an electromagnetic valve (7) is provided in the oil circuit (11) upstream of the positive displacement metering (6) for controlling the number of operations of the positive displacement metering (6).
3. The lubrication device according to claim 2, characterized in that the solenoid valve (7) and the volumetric metering member (6) are integrated with the distribution block (5).
4. Lubrication device according to any of claims 1-3, characterised in that the positive displacement gauge (6) delivers the same amount of oil each time in the multiple delivery mode.
5. Lubricating apparatus according to any of claims 1-3, characterised in that it further comprises a pressure switch (3) arranged between the pump (1) and the distribution block (5) for detecting the pressure of the lubricating oil delivered.
6. Lubricating apparatus according to any one of claims 1-3, characterised in that it further comprises a relief valve (4) arranged between the pump (1) and the distributor block (5) for adjusting the pressure of the lubricating oil delivered.
7. Lubricating apparatus according to any one of claims 1-3, characterised in that it further comprises a level switch (2) arranged inside the oil tank (10) for detecting the level of the lubricating oil contained in the oil tank (10).
8. Lubrication device according to any of claims 1-3, characterised in that the pump (1) is a gear pump.
9. The lubrication device according to claim 3, wherein the at least one oil passage (11) is plural in number, some of the plural oil passages (11) are branched to form two branch oil passages (12), respectively, and a positive displacement meter (6) is provided upstream of the fur brush (8) in each branch oil passage (12).
10. The lubrication apparatus according to claim 9, wherein the distribution block (5) distributes the lubricating oil into three oil passages (11), wherein two oil passages (11) of the three oil passages (11) branch into two branch oil passages (12), respectively, and the number of the solenoid valves (7) is two, and the two solenoid valves are provided in one branch oil passage (11) and one non-branch oil passage (11), respectively.
11. Lubricating apparatus according to claim 10, characterised in that the two branched oil paths (12) upstream of which the solenoid valve (7) is arranged lead to the left and right main engine drive chains, respectively, the two branched oil paths (12) upstream of which the solenoid valve (7) is not arranged lead to the left and right step chains, respectively, and the non-branched oil path (11) leads to the handrail drive chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023122591.XU CN213982937U (en) | 2020-12-22 | 2020-12-22 | Lubricating device for escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023122591.XU CN213982937U (en) | 2020-12-22 | 2020-12-22 | Lubricating device for escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213982937U true CN213982937U (en) | 2021-08-17 |
Family
ID=77246640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023122591.XU Active CN213982937U (en) | 2020-12-22 | 2020-12-22 | Lubricating device for escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213982937U (en) |
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2020
- 2020-12-22 CN CN202023122591.XU patent/CN213982937U/en active Active
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