CN112128452A - Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet - Google Patents
Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet Download PDFInfo
- Publication number
- CN112128452A CN112128452A CN202010814815.9A CN202010814815A CN112128452A CN 112128452 A CN112128452 A CN 112128452A CN 202010814815 A CN202010814815 A CN 202010814815A CN 112128452 A CN112128452 A CN 112128452A
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- China
- Prior art keywords
- sewage
- transmission mechanism
- closing
- screw
- suction truck
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/106—Accessories, e.g. hose support
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a transmission mechanism for automatically opening and closing a sewage discharge port of a sewage suction truck. The drain valve is driven by the motor, and the lead screw is driven by the lead screw nut, so that the drain valve is opened and closed, the labor intensity of personnel operation is reduced, and the personal safety risk in the operation is reduced; an elastic element is introduced into the structure, so that a section of linearly and slowly increased sealing pressure is generated by external force transmitted to the vehicle tank body in the process of pressing the pressure plate by the motor control lead screw. Thus, the safe sealing of the vehicle tank body is ensured, and the tightening is stable every time.
Description
Technical Field
The invention relates to the field of sewage suction trucks, in particular to a transmission mechanism for automatically opening and closing a sewage discharge outlet of a sewage suction truck.
Background
The sewage suction truck is a novel sanitation vehicle for collecting, transferring, cleaning and transporting sludge and sewage and avoiding secondary pollution, can automatically discharge by self suction, has high working speed, large capacity and convenient transportation, and is suitable for collecting and transporting liquid substances such as excrement, slurry, crude oil and the like. The sewage suction truck adopts a domestic sewage suction truck vacuum pump with advanced technology, has large suction force and long suction distance, and is particularly suitable for suction, loading, transportation and discharge of sludge in a sewer.
The blowoff valve generally all needs the manual work to open when the blowdown of current sewage suction truck, and the automobile body of sewage suction truck is oval, and the switch of general blowoff valve all is directly over the automobile body, and operating personnel need climb the automobile body and operate when the manual work is opened, and the sewage suction truck generally all has some water stains, greasy dirt etc.. Operators have certain risks when climbing the vehicle body, and particularly, the operators can fall down easily when snow or ice exists on the vehicle body in winter. Accidents easily occur when the vehicle body climbs, and the labor intensity of operators is increased.
The prior proposal has the following disadvantages:
1. personnel can operate the blowoff valve only by climbing onto the vehicle body, and the physical consumption is large;
2. the dung suction truck body needs to be cleaned frequently, water stains can exist on the dung suction truck body, and people can slip when climbing the dung suction truck body, particularly when the surface of the dung suction truck body is frozen in winter;
3. when personnel operated the blowoff valve, the power of rotatory lead screw was inconsistent, had the condition that the elasticity is different, influenced sealed effect, probably caused the road surface to be lost and spilt.
Disclosure of Invention
In order to solve the defects mentioned in the background technology, the invention aims to provide a transmission mechanism for automatically opening and closing the sewage discharge port of a sewage suction truck, the transmission mechanism adopts a large transmission ratio structure of a worm gear and a worm to realize speed reduction and torque increase, an output source is a motor and is output to the worm through a coupler, the worm gear is connected with a lead screw nut through a double key, the rotation of the lead screw nut is converted into the up-and-down sliding of a lead screw, and the opening and the closing of a sewage discharge valve are realized;
meanwhile, the blow-down valve is driven by the motor, the screw rod is driven by the screw rod nut, the blow-down valve is opened and closed, the labor intensity of personnel operation is reduced, the personal safety risk in operation is reduced, and the elastic element is introduced into the structure, so that a section of linear slowly-increased sealing pressure is generated by external force transmitted to the car body in the process that the motor controls the screw rod to press the pressure plate, the safety sealing of the car body is ensured, and the stability of screwing is ensured every time.
The purpose of the invention can be realized by the following technical scheme:
the transmission mechanism for the drain outlet of the automatic opening and closing sewage suction truck comprises a motor, wherein the output end of the motor is connected with a worm through a coupler, and the lateral side of the worm is meshed with a worm wheel.
The central point of worm wheel puts and is connected with screw nut, and the last lead screw that runs through of screw nut has a lead screw, and the bottom fixedly connected with of lead screw is first lead screw sleeve, and first lead screw sleeve's below is provided with the connecting rod, and the bottom and the blowdown valve port of connecting rod are sealed mutually.
Further, the end of the coupling is fixedly connected with the worm.
Further, the worm wheel is rotatably arranged on the vehicle body and is relatively static with the vehicle body.
Further, the lead screw nut and the worm wheel are connected through double bonds.
Further, the screw nut and the screw are movably arranged.
Further, a screw cushion block is fixedly mounted on the side wall of the connecting rod, an elastic element is arranged at the upper end of the screw cushion block, and a second screw sleeve is arranged at the upper end of the elastic element.
Further, elastic element and the equal activity of second lead screw sleeve run through the connecting rod, and second lead screw sleeve and the fixed setting of first lead screw sleeve looks block are connected with the nut on the top of connecting rod.
The invention has the beneficial effects that:
1. the transmission mechanism of the invention adopts a large transmission ratio structure of a worm gear and a worm to realize speed reduction and torque increase, an output source is a motor and outputs the motor to the worm through a coupler, the worm gear is connected with a screw nut through a double key, the rotation of the screw nut is converted into the up-and-down sliding of a screw, and the opening and the closing of a drain valve are realized;
2. the drain valve is driven by the motor, and the lead screw is driven by the lead screw nut, so that the drain valve is opened and closed, the labor intensity of personnel operation is reduced, and the personal safety risk in the operation is reduced;
3. according to the invention, the elastic element is introduced into the structure, so that a section of linearly and slowly increased sealing pressure is generated by external force transmitted to the vehicle tank body in the process of pressing the pressure plate down by the motor control screw rod, thus the safe sealing of the vehicle tank body is ensured, and the stability of each screwing is ensured.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the motor drive of the present invention;
FIG. 3 is a schematic diagram of a portion of the present invention;
fig. 4 is a schematic view, partially in section, of fig. 3 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in figures 1 and 2, the transmission mechanism for the drain outlet of the automatic opening and closing sewage suction truck comprises a motor 1, wherein the output end of the motor 1 is connected with a worm 3 through a coupler 2, the end part of the coupler 2 is fixedly connected with the worm 3, and the motor 1 and the worm 3 are driven to rotate.
The worm 3 is engaged with a worm wheel 4 in the lateral direction, and the worm wheel 4 is rotatably arranged on the sewage suction truck body. The central position of worm wheel 4 is connected with screw nut 5, and screw nut 5 and worm wheel 4 adopt double bond to connect. The lead screw 6 penetrates through the lead screw nut 5, and the lead screw nut 5 and the lead screw 6 are movably arranged.
As shown in fig. 3 and 4, a first screw sleeve 7 is fixedly connected to the bottom end of the screw 6, a connecting rod 9 is arranged below the first screw sleeve 7, and the bottom end of the connecting rod 9 is sealed with the sewage valve port. The lateral wall fixed mounting of connecting rod 9 has lead screw cushion 12, and lead screw cushion 12 upper end is provided with elastic element 11, and elastic element 11's upper end is provided with second lead screw sleeve 10, and wherein, elastic element 11 and the equal activity of second lead screw sleeve 10 run through connecting rod 9, and second lead screw sleeve 10 and the fixed setting of 7 looks blocks of first lead screw sleeve, and the top of connecting rod 9 is connected with nut 8, plays spacing effect.
When the screw rod 6 moves downwards, the elastic element 11 is driven to compress by the first screw rod sleeve 7 and the second screw rod sleeve 10, and the elastic element 11 compresses to drive the screw rod cushion block 12 and the connecting rod 9 to move downwards to seal a sewage valve port;
when the screw rod 6 moves upwards, the first screw rod sleeve 7 and the second screw rod sleeve 10 are driven to move upwards, and the second screw rod sleeve 10 and the nut 8 are contacted to drive the connecting rod 9 to move, so that the sewage discharge valve port is opened.
Through driving motor 1, shaft coupling 2 exports on worm 3, and worm wheel 4 passes through double key connection with screw nut 5, and then drives lead screw 6 and slides from top to bottom, realizes opening and closing of blowoff valve.
The sewage suction truck is used as a special vehicle of an environmental sanitation system and is mainly applied to cleaning work in the environments of septic tanks, sewage ditches, sewers and the like.
The work of the sewage suction truck is mainly divided into three processes: the method comprises the following steps of preparation before operation, suction operation and discharge operation, wherein the discharge operation process in the last step mainly comprises the following points:
firstly, butting a sewage discharge rubber pipe with a sewage discharge port of a sewage suction truck;
secondly, manually climbing the vehicle body, and opening the drain outlet to the maximum state by screwing the screw rod;
thirdly, beginning to discharge sewage;
fourthly, after the sewage is discharged, the sewage outlet is closed by screwing the screw rod;
fifthly, separating the sewage discharge rubber pipe from the sewage suction truck;
and sixthly, after the sewage suction truck and the sewage discharge rubber pipe are washed, the sewage truck drives away from the operation point.
The blowoff valve generally all needs the manual work to open when the blowdown of current sewage suction truck, and the automobile body of sewage suction truck is oval, and the switch of general blowoff valve all is directly over the automobile body, and operating personnel need climb the automobile body and operate when the manual work is opened, and the sewage suction truck generally all has some water stains, greasy dirt etc.. Operators have certain risks when climbing the vehicle body, particularly, the operators fall down easily and get up easily due to snow or ice on the vehicle body in winter.
The existing blowoff valve is of a rotary screw rod structure, a screw rod nut is fixed with a vehicle body, and the screw rod is rotated to realize the ascending and descending of the screw rod. The invention depends on the original structure, carries out automatic transformation on the premise of saving the cost most, and realizes the up-and-down sliding of the screw rod by rotating the screw rod nut. Because the torque required for driving the screw rod is not large, but the output of the motor is high rotating speed and low torque, the torque and the rotating speed need to be adjusted. The transmission mechanism of the invention adopts a large transmission ratio structure of a worm gear and a worm to realize speed reduction and torque increase, the output source is a motor and is output to the worm through a coupler, the worm gear is connected with a lead screw nut through a double key, the rotation of the lead screw nut is converted into the up-and-down sliding of the lead screw, and the opening and the closing of the drain valve are realized.
Meanwhile, the elastic element is introduced into the structure, so that a section of linearly and slowly increased sealing pressure is generated by external force transmitted to the vehicle tank body in the process of pressing the pressure plate by the motor control lead screw. Thus, the safe sealing of the vehicle tank body is ensured, and the tightening is stable every time.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. A transmission mechanism for automatically opening and closing a sewage draining outlet of a sewage suction truck comprises a motor (1) and is characterized in that the output end of the motor (1) is connected with a worm (3) through a coupler (2), and the side of the worm (3) is engaged with a worm wheel (4);
the central position of worm wheel (4) is connected with screw nut (5), has run through on screw nut (5) lead screw (6), and the bottom fixedly connected with first lead screw sleeve (7) of lead screw (6), the below of first lead screw sleeve (7) is provided with connecting rod (9), and the bottom and the blowdown valve port of connecting rod (9) are sealed mutually.
2. The transmission mechanism of the automatic opening and closing sewage suction truck sewage draining outlet according to claim 1 is characterized in that the end of the coupling (2) is fixedly connected with the worm (3).
3. The transmission mechanism for automatically opening and closing the sewage draining outlet of the sewage suction truck as claimed in claim 2, wherein the worm gear (4) is rotatably arranged on the truck body and is relatively static with the truck body.
4. The transmission mechanism of the automatic opening and closing sewage suction truck sewage draining port as claimed in claim 1, wherein the screw nut (5) and the worm gear (4) are connected by a double bond.
5. The transmission mechanism of the automatic opening and closing sewage suction truck sewage draining exit according to claim 4 is characterized in that the screw nut (5) and the screw (6) are movably arranged.
6. The transmission mechanism for the automatic opening and closing sewage suction truck sewage draining outlet according to claim 1 is characterized in that a screw rod cushion block (12) is fixedly installed on the side wall of the connecting rod (9), an elastic element (11) is arranged at the upper end of the screw rod cushion block (12), and a second screw rod sleeve (10) is arranged at the upper end of the elastic element (11).
7. The transmission mechanism of the automatic opening and closing sewage suction truck sewage draining exit according to claim 6 is characterized in that the elastic element (11) and the second screw rod sleeve (10) are movably penetrated through the connecting rod (9), the second screw rod sleeve (10) and the first screw rod sleeve (7) are fixedly clamped, and the top end of the connecting rod (9) is connected with the nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814815.9A CN112128452B (en) | 2020-08-13 | 2020-08-13 | Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814815.9A CN112128452B (en) | 2020-08-13 | 2020-08-13 | Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112128452A true CN112128452A (en) | 2020-12-25 |
| CN112128452B CN112128452B (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010814815.9A Active CN112128452B (en) | 2020-08-13 | 2020-08-13 | Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet |
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| Country | Link |
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| CN (1) | CN112128452B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010051722A (en) * | 1999-11-19 | 2001-06-25 | 존 씨. 메티유 | Worm driving a servo actuator with spring return and rotary valve employing same |
| DE10347473A1 (en) * | 2003-10-01 | 2005-05-04 | Kaercher Gmbh & Co Kg Alfred | Suction assembly and tank to remove water and sludge from ornamental pond has float linked to outlet shut-off valve |
| CN101749467A (en) * | 2008-12-01 | 2010-06-23 | 上海一诺仪表有限公司 | Balance valve for automatic flow controller |
| CN202641489U (en) * | 2012-07-19 | 2013-01-02 | 中国重汽集团济南动力有限公司 | Remote-control electric screw sewage disposal structure of tank truck |
| CN202768877U (en) * | 2012-04-25 | 2013-03-06 | 武汉洁力环卫汽车装备有限公司 | Liquid through discharging device of fecal suction truck |
| CN104819332A (en) * | 2015-04-21 | 2015-08-05 | 苏州福润机械有限公司 | Electric blow-down valve |
| CN106787413A (en) * | 2016-12-29 | 2017-05-31 | 中能（天津）智能传动设备有限公司 | A kind of electric pushrod for being easy to safeguard |
| CN208221734U (en) * | 2018-04-13 | 2018-12-11 | 江苏益马机械有限公司 | A kind of high-pressure large-caliber valve of air pressure driving worm and gear |
-
2020
- 2020-08-13 CN CN202010814815.9A patent/CN112128452B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010051722A (en) * | 1999-11-19 | 2001-06-25 | 존 씨. 메티유 | Worm driving a servo actuator with spring return and rotary valve employing same |
| DE10347473A1 (en) * | 2003-10-01 | 2005-05-04 | Kaercher Gmbh & Co Kg Alfred | Suction assembly and tank to remove water and sludge from ornamental pond has float linked to outlet shut-off valve |
| CN101749467A (en) * | 2008-12-01 | 2010-06-23 | 上海一诺仪表有限公司 | Balance valve for automatic flow controller |
| CN202768877U (en) * | 2012-04-25 | 2013-03-06 | 武汉洁力环卫汽车装备有限公司 | Liquid through discharging device of fecal suction truck |
| CN202641489U (en) * | 2012-07-19 | 2013-01-02 | 中国重汽集团济南动力有限公司 | Remote-control electric screw sewage disposal structure of tank truck |
| CN104819332A (en) * | 2015-04-21 | 2015-08-05 | 苏州福润机械有限公司 | Electric blow-down valve |
| CN106787413A (en) * | 2016-12-29 | 2017-05-31 | 中能（天津）智能传动设备有限公司 | A kind of electric pushrod for being easy to safeguard |
| CN208221734U (en) * | 2018-04-13 | 2018-12-11 | 江苏益马机械有限公司 | A kind of high-pressure large-caliber valve of air pressure driving worm and gear |
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| Publication number | Publication date |
|---|---|
| CN112128452B (en) | 2022-03-29 |
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