CN213306001U - Sealing structure of control cabinet for speed reducer controllable starting transmission system - Google Patents
Sealing structure of control cabinet for speed reducer controllable starting transmission system Download PDFInfo
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- CN213306001U CN213306001U CN202022702971.4U CN202022702971U CN213306001U CN 213306001 U CN213306001 U CN 213306001U CN 202022702971 U CN202022702971 U CN 202022702971U CN 213306001 U CN213306001 U CN 213306001U
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- sealing ring
- cabinet door
- cabinet
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- air bag
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Abstract
The utility model discloses a controllable seal structure who starts switch board for transmission system of speed reducer, including setting up the type groove that returns on the cabinet side face with cabinet door in close contact with, it is provided with gasbag and sealing washer to return the type inslot, the cell wall that can promote the sealing washer after the gasbag is aerifyd and hug closely back the type groove slides and stretches out the type groove that returns. Has the advantages that: novel seal structure of switch board sealed switch board that not only can be fine does not influence cabinet door switch moreover, cabinet door switch need not take very big power, the switch is very convenient.
Description
Technical Field
The utility model relates to a CST controllable start transmission system field, concretely relates to controllable seal structure who starts switch board for transmission system of speed reducer.
Background
The CST controllable starting transmission system is an integrated controllable starting transmission system consisting of a planetary gear train reducer and a low-speed shaft wet clutch, and mainly comprises a CST driver, a driving motor, a cooling pump, a radiator and electric control equipment, wherein the CST controllable starting transmission device can meet the starting requirements of a long-distance belt conveyor and a multi-machine driven belt conveyor under various working condition conditions, and realizes the stable controllable starting and stopping of the conveyor.
At present, the electric control equipment of the CST controllable starting transmission system is generally centrally installed in a control cabinet, the control cabinet needs to have good sealing performance and certain explosion-proof performance, because a large amount of gas is contained under a mine, in order to prevent the electric control equipment from being damaged by explosion of the gas, the control cabinet is generally made of steel plates with the thickness of more than 30 millimeters, and therefore the control cabinet for the controllable starting transmission system is generally large in size and heavy in weight;
meanwhile, in order to prevent gas from entering the control cabinet (electric sparks are likely to occur when electrical equipment in the control cabinet works, and gas is prone to explosion when the electric sparks encounter), the conventional sealing method is shown in the attached drawings 1-3 in the specification, a rubber sealing ring is arranged on one side surface of the cabinet body, which is in close contact with the cabinet door, and when the cabinet door is in compression joint with the cabinet body, the rubber sealing ring is pressed, so that sealing is achieved, although the sealing method is good in effect, the closing of the cabinet door is very troublesome, as shown in the attached drawings 1-3 in the specification, a cabinet door is pushed by large force to extrude the rubber sealing ring when the cabinet door is closed, then the deflector rod is rapidly pulled to move along the central axis direction of the mounting cylinder until the deflector rod passes through a clamping groove in a fixing plate, then the pushing of the cabinet door can be released, and when the cabinet door does not, therefore, when the cabinet door is closed each time, the cabinet door needs to be pushed first to forcibly extrude the rubber sealing ring, then the shifting lever can be pulled to be clamped into the clamping groove, similarly, when the cabinet door is opened each time, the cabinet door needs to be pushed first to extrude the rubber sealing ring, the shifting lever can be removed from the clamping groove after being loosened, otherwise, the shifting lever cannot be shifted when being clamped in the clamping groove;
just because this kind of seal structure design of switch board leads to the cabinet door switch very troublesome, on this basis, it is necessary to improve this kind of switch board seal structure now, makes the cabinet door switch become convenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a controllable seal structure who starts switch board for transmission system of speed reducer just in order to solve above-mentioned problem, this seal structure not only can be fine sealed switch board, and cabinet door switch is also very convenient moreover, sees the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a controllable seal structure who starts switch board for transmission system of speed reducer, including setting up the type groove that returns on the cabinet side face with cabinet door in close contact with, it is provided with gasbag and sealing washer to return the type inslot, the cell wall that can promote the sealing washer after the gasbag is aerifyd and hug closely back the type groove slides and stretches out the type groove that returns.
As an important design of the scheme, the sealing ring comprises a hard sealing ring and a soft sealing ring attached to the hard sealing ring, and the hard sealing ring is in contact with the air bag.
As the optimal design of the scheme, an air pump and a control switch are arranged on the cabinet body, the air pump is connected with the air bag through an air delivery pipe, and a control valve is installed on the air delivery pipe.
As the optimized design of the scheme, the cabinet body is also provided with a pressure sensor for detecting the air pressure in the air bag and a control module for controlling the action of the air pump and the control valve according to the pressure information detected by the pressure sensor.
Has the advantages that: novel seal structure of switch board sealed switch board that not only can be fine does not influence cabinet door switch moreover, cabinet door switch need not take very big power, the switch is very convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a sealing structure of a control cabinet for a speed reducer controllable start transmission system in the prior art;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
fig. 4 is a front view of the control cabinet for the speed reducer controllable start transmission system of the present invention, i.e. an installation schematic diagram of the sealing structure of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 with the seal ring removed;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a front view of the composite seal ring;
fig. 8 is a plan view of the composite seal ring.
The reference numerals are explained below:
1. a cabinet body; 2. a cabinet door; 3. a rubber seal ring; 4. a fixing plate; 5. mounting the cylinder; 6. a deflector rod; 7. a card slot; 8. a returning groove; 9. an air bag; 10. an air pump; 11. a control valve; 12. a pressure sensor; 13. a control module; 14. a gas delivery pipe; 15. a control switch; 16. compounding a sealing ring; 161. a soft sealing ring; 162. hard sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The structure of a control cabinet for a controllable start transmission system of an existing speed reducer is shown in fig. 1-3, one end of a cabinet door 2 is hinged to a cabinet body 1, a fixing plate 4 is fixedly installed on the cabinet body 1, a clamping groove 7 is arranged on the fixing plate 4, an installation cylinder 5 is fixedly installed on the cabinet door 2, a shifting lever 6 is inserted in the installation cylinder 5 in a rolling manner, and the cabinet door 2 is connected with the cabinet body 1 in a clamping manner by shifting the shifting lever 6 to be inserted into the clamping groove 7;
the sealing structure of the control cabinet for the controllable starting transmission system of the existing speed reducer is that a rubber sealing ring 3 is arranged on one side, which is in close contact with a cabinet door 2, of a cabinet body 1, as shown in fig. 2, the rubber sealing ring 3 is extruded when the cabinet door 2 is closed, so that the joint of the cabinet body 1 and the cabinet door 2 is sealed, although the sealing structure is simple in structure and reliable in sealing, the defects are obvious, the specific defects are already described in detail in the background technology part, and are not repeated herein.
Aiming at the defects of the existing sealing structure, the applicant designs a novel sealing structure of a control cabinet, as shown in fig. 4-6, the sealing structure comprises a return groove 8 which is arranged on the side surface of a cabinet body 1 which is tightly contacted with a cabinet door 2, an air bag 9 and a sealing ring are arranged in the return groove 8, the air bag 9 can push the sealing ring to cling to the groove wall of the return groove 8 to slide and extend out of the return groove 8 after being inflated, when the novel sealing structure is used, the cabinet door 2 is firstly closed, a shifting rod 6 is clamped into a clamping groove 7, then the air bag 9 is expanded to push the sealing ring to extend out of the return groove 8, and the sealing ring is tightly propp; when the cabinet door 2 needs to be opened, high-pressure gas in the air bag 9 is firstly discharged, and strong thrust of the sealing ring to the cabinet door 2 is removed, so that the deflector rod 6 can be easily stirred to open the cabinet door 2;
as shown in fig. 7 and 8, in order to prevent the seal ring from sliding out of the circular groove 8, the seal ring may be a composite seal ring 16 composed of a hard seal ring 162 and a soft seal ring 161 attached to the hard seal ring 162, the hard seal ring 162 contacts with the air bag 9, the soft seal ring 161 contacts with the cabinet door 2, the hard seal ring 162 is closely connected with the groove wall of the circular groove 8 in a sliding manner, the hard seal ring 162 may be made of metal, hard plastic or other materials, so that it is not pushed by the air bag 9 to deform when sliding in the circular groove 8, the soft seal ring 161 may be made of rubber, silica gel or other soft materials, and this design is helpful for sealing the contact portion between the soft seal ring 161 and the cabinet door 2 tightly, thereby enhancing the sealing performance of the.
The air bag 9 can supply air through an external air source, and also can be provided with an air source in the cabinet body 1, as shown in fig. 4-6, the air source is provided in the cabinet body 1, the air source comprises an air pump 10 installed in the cabinet body 1, the air pump 10 is connected with the air bag 9 through an air pipe 14, a control valve 11 is installed on the air pipe 14, the control valve 11 is also located in the cabinet body 1, a control switch 15 is arranged on the outer wall of the cabinet body 1, and the control switch 15 is used for controlling the air pump 10 and the control valve 11 to act.
In addition, the cabinet body 1 is further provided with a pressure sensor 12 for detecting the air pressure in the air bag 9 and a control module 13 for controlling the air pump 10 and the control valve 11 to operate according to the pressure information detected by the pressure sensor 12, when in use, one of the control switches 15 is operated to start the air pump 10, the air bag 9 is inflated through the air pipe 14, because the cabinet door 2 is closed, after the sealing ring abuts against the cabinet door 2, the air bag 9 does not expand rapidly, the air pressure value detected by the pressure sensor 12 is increased, when the sealing ring is pressed on the cabinet door 2 by the air bag 9 and has good sealing performance, the control module 13 controls the control valve 11 to close the air pipe 14 according to the pressure value detected by the pressure sensor 12 at the moment, and simultaneously closes the air pump 10 (in other words, when the pressure value detected by the pressure sensor 12 is lower than the value, it is stated that the sealing ring is not pressed on the cabinet door 2 by the air, that is, the sealing ring does not have good sealing performance, and the air pump 10 is required to continuously inflate the air bag 9);
when the cabinet door 2 is opened, another control switch 15 is operated to control the control valve 11 to be opened, gas in the air bag 9 is discharged, then the sealing ring is discharged to extrude the cabinet door 2, and the working personnel can easily stir the shifting rod 6 to open the cabinet door 2.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The sealing structure of the control cabinet for the speed reducer controllable starting transmission system is characterized by comprising a returning groove arranged on the side face of a cabinet body in close contact with a cabinet door, wherein an air bag and a sealing ring are arranged in the returning groove, and the air bag can push the sealing ring to cling to the groove wall of the returning groove to slide and extend out of the returning groove after being inflated.
2. The sealing structure of claim 1, wherein the sealing ring comprises a hard sealing ring and a soft sealing ring attached to the hard sealing ring, and the hard sealing ring is in contact with the air bag.
3. The sealing structure according to claim 1, wherein the cabinet body is provided with an air pump and a control switch, the air pump is connected with the air bag through an air pipe, and the air pipe is provided with a control valve.
4. The sealing structure according to claim 3, wherein the cabinet body is further provided with a pressure sensor for detecting air pressure in the air bag and a control module for controlling the action of the air pump and the control valve according to pressure information detected by the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022702971.4U CN213306001U (en) | 2020-11-20 | 2020-11-20 | Sealing structure of control cabinet for speed reducer controllable starting transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022702971.4U CN213306001U (en) | 2020-11-20 | 2020-11-20 | Sealing structure of control cabinet for speed reducer controllable starting transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213306001U true CN213306001U (en) | 2021-05-28 |
Family
ID=76016262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022702971.4U Active CN213306001U (en) | 2020-11-20 | 2020-11-20 | Sealing structure of control cabinet for speed reducer controllable starting transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213306001U (en) |
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2020
- 2020-11-20 CN CN202022702971.4U patent/CN213306001U/en active Active
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