阅读说明：本技术 一种粉罐车人孔盖 (Manhole cover of powder tanker ) 是由 胡志国 张雪峰 于 2021-07-26 设计创作，主要内容包括：本发明公开了一种粉罐车人孔盖,涉及人孔盖技术领域,包括：盖体、密封圈、两组行走部、第一转轴、从动齿轮、中间齿轮、第二转轴、扇形齿轮、电机和压紧部,其中,密封圈设置在盖体的底部；两组行走部分别设置在盖体底部的两端,行走部对盖体起到支撑移动的作用；第一转轴设置在盖体的一侧,并与盖体通过连接件连接；从动齿轮设置在第一转轴上；中间齿轮与从动齿轮啮合；扇形齿轮设置在第二转轴上,扇形齿轮转动过程中能够与中间齿轮啮合；电机与第二转轴传动连接；压紧部设置在第二转轴上,用于在盖体盖紧时压紧盖体。本发明可以实现自动的打开和关闭并压紧,相对于现有技术中通过人工打开,提升了操作的安全性。(The invention discloses a manhole cover of a powder tanker, which relates to the technical field of manhole covers and comprises the following components: the sealing device comprises a cover body, a sealing ring, two groups of walking parts, a first rotating shaft, a driven gear, an intermediate gear, a second rotating shaft, a sector gear, a motor and a pressing part, wherein the sealing ring is arranged at the bottom of the cover body; the two groups of walking parts are respectively arranged at two ends of the bottom of the cover body, and the walking parts play a role in supporting and moving the cover body; the first rotating shaft is arranged on one side of the cover body and is connected with the cover body through a connecting piece; the driven gear is arranged on the first rotating shaft; the intermediate gear is meshed with the driven gear; the sector gear is arranged on the second rotating shaft and can be meshed with the intermediate gear in the rotating process; the motor is in transmission connection with the second rotating shaft; the pressing part is arranged on the second rotating shaft and used for pressing the cover body when the cover body is tightly covered. The invention can realize automatic opening, closing and pressing, and improves the operation safety compared with the manual opening in the prior art.)

1. A powder tanker manhole cover, comprising: a cover body, a sealing ring, two groups of walking parts, a first rotating shaft, a driven gear, a middle gear, a second rotating shaft, a sector gear, a motor and a pressing part,

the sealing ring is arranged at the bottom of the cover body;

the two groups of walking parts are respectively arranged at two ends of the bottom of the cover body, and the walking parts play a role in supporting and moving the cover body;

the first rotating shaft is arranged on one side of the cover body and is connected with the cover body through a connecting piece;

the driven gear is arranged on the first rotating shaft;

the intermediate gear is meshed with the driven gear;

the sector gear is arranged on the second rotating shaft and can be meshed with the intermediate gear in the rotating process;

the motor is in transmission connection with the second rotating shaft;

the pressing part is arranged on the second rotating shaft and used for pressing the cover body when the cover body is tightly covered.

2. The manhole cover of the powder tanker according to claim 1, wherein the walking part comprises an elastic telescopic rod, and rollers are arranged at the bottom of the elastic telescopic rod.

3. The manhole cover of the powder tanker according to claim 2, wherein the pressing part comprises a pressing rod disposed on the second shaft, the pressing rod has an inclined surface, a sleeve is disposed on the top of the cover, a piston is disposed in the sleeve, a spring is disposed between the piston and the sleeve, a connecting rod is disposed on the top of the piston, a ball is disposed on the top of the connecting rod, the pressing rod is driven to rotate by the second shaft, and the pressing rod continuously increases the pressure on the ball through the inclined surface to press the cover.

4. The manhole cover of the powder tanker according to claim 1, wherein the bottom of the cover body is further provided with a cleaning part for cleaning the manhole.

5. The manhole cover of the powder tanker according to claim 4, wherein the cleaning part comprises a brush arranged at the bottom of the cover body.

6. The manhole cover of the powder tanker according to claim 5, wherein the manhole cover comprises a plurality of stop rods arranged side by side, and the stop rods are used for contacting with the brushes to clean the brushes.

7. The manhole cover of the powder tanker according to claim 1, wherein the manhole cover comprises a limiting plate for limiting the cover, and the sealing ring is located right above the manhole when the cover contacts the limiting plate.

Technical Field

The invention relates to the technical field of manhole covers, in particular to a manhole cover of a powder tanker.

Background

Manholes are open-hole structures for personnel to enter and exit equipment for installation, maintenance, and security inspection. In the powder tank car field, the manhole has been seted up on the top of powder tank car, is provided with the detachable apron on the manhole, when needs examine and repair powder tank car inside, need the manual work to climb the tank deck and carry out manual opening and shutting. The cover plate is heavy, so that manual operation of the manhole cover plate handle wastes time and labor; the tank deck is high from the ground, and is very easy to slip in rainy and snowy weather, so that the workers fall off from the powder tank truck, and the life health and safety of the workers are influenced.

Disclosure of Invention

In view of the above, the invention aims to provide a manhole cover of a powder tanker, which is used for automatically opening the manhole cover.

Based on the above purpose, the invention provides a manhole cover of a powder tanker, comprising:

a cover body, a sealing ring, two groups of walking parts, a first rotating shaft, a driven gear, a middle gear, a second rotating shaft, a sector gear, a motor and a pressing part,

the sealing ring is arranged at the bottom of the cover body;

the two groups of walking parts are respectively arranged at two ends of the bottom of the cover body, and the walking parts play a role in supporting and moving the cover body;

the first rotating shaft is arranged on one side of the cover body and is connected with the cover body through a connecting piece;

the driven gear is arranged on the first rotating shaft;

the intermediate gear is meshed with the driven gear;

the sector gear is arranged on the second rotating shaft and can be meshed with the intermediate gear in the rotating process;

the motor is in transmission connection with the second rotating shaft;

the pressing part is arranged on the second rotating shaft and used for pressing the cover body when the cover body is tightly covered.

Optionally, the walking part comprises an elastic telescopic rod, and the bottom of the elastic telescopic rod is provided with a roller.

Optionally, the pressing portion comprises a pressing rod arranged on the second rotating shaft, the pressing rod is provided with an inclined plane, the top of the cover body is provided with a sleeve, a piston is arranged in the sleeve, a spring is arranged between the piston and the sleeve, the top of the piston is provided with a connecting rod, the top of the connecting rod is provided with a ball body, the pressing rod is driven to rotate through the second rotating shaft, and the pressing rod continuously increases the pressure on the ball body through the inclined plane, so that the cover body is pressed.

Optionally, the bottom of the cover body is further provided with a cleaning part, and the cleaning part is used for cleaning a manhole.

Optionally, the cleaning part comprises a brush arranged at the bottom of the cover body.

Optionally, the manhole cover includes a plurality of shelves poles that set up side by side, a shelves pole be used for with the brush contact is cleared up the brush.

Optionally, the manhole cover includes the limiting plate, the limiting plate is used for right the lid plays spacing effect, works as the lid with when the limiting plate contacts, the sealing washer just in time is located the manhole directly over.

When the manhole cover is closed, the motor drives the second rotating shaft to rotate, the second rotating shaft drives the sector gear to rotate, the sector gear drives the intermediate gear to rotate, the intermediate gear drives the driven gear to rotate, the cover body is further driven to rotate, the sealing ring is moved to the position right above the manhole, the sector gear is separated from the intermediate gear at the moment, then the motor drives the second rotating shaft to continue to rotate, and the pressing part starts to work to press the cover body at the moment;

the process of opening the cover is the reverse of the process of closing the cover described above.

Therefore, the manhole cover can be automatically opened, closed and compressed, and compared with the prior art in which the manhole cover is manually opened, the manhole cover improves the operation safety.

Drawings

In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.

FIG. 1 is a top view of a cover according to an embodiment of the present invention;

FIG. 2 is a view taken along direction R in FIG. 1;

fig. 3 is a front view of a cover according to an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.

It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The embodiment of the invention provides a manhole cover of a powder tanker. As shown in fig. 1 to 3, a manhole cover for a powder tanker includes: the cover comprises a cover body 1, a sealing ring 11, two groups of walking parts, a first rotating shaft 21, a driven gear 22, an intermediate gear 23, a second rotating shaft 24, a sector gear 25, a motor and a pressing part, wherein,

the sealing ring 11 is arranged at the bottom of the cover body 1;

the two groups of walking parts are respectively arranged at two ends of the bottom of the cover body 1, and the walking parts play a role in supporting and moving the cover body 1;

the first rotating shaft 21 is arranged on one side of the cover body 1 and is connected with the cover body 1 through a connecting piece;

the driven gear 22 is arranged on the first rotating shaft 21;

the intermediate gear 23 is meshed with the driven gear 22;

the sector gear 25 is arranged on the second rotating shaft 24, and the sector gear 25 can be meshed with the intermediate gear 23 in the rotating process;

the motor is in transmission connection with the second rotating shaft 24;

the pressing portion is disposed on the second rotating shaft 24, and is configured to press the cover body 1 when the cover body 1 is tightly covered.

When the manhole cover is closed, the motor drives the second rotating shaft 24 to rotate, the second rotating shaft 24 drives the sector gear 25 to rotate, the sector gear 25 drives the intermediate gear 23 to rotate, the intermediate gear 23 drives the driven gear 22 to rotate, and then the cover body 1 is driven to rotate, so that the sealing ring 11 moves right above a manhole, the sector gear 25 is separated from the intermediate gear 23, then the motor drives the second rotating shaft 24 to continue to rotate, and at the moment, the pressing part starts to work to press the cover body 1;

the process of opening the lid body 1 is the reverse of the above-described process of closing the lid body 1.

Therefore, the manhole cover can be automatically opened, closed and compressed, and compared with the prior art in which the manhole cover is manually opened, the manhole cover improves the operation safety.

In some embodiments, the walking part comprises an elastic telescopic rod 31, and the bottom of the elastic telescopic rod 31 is provided with a roller 32.

In some embodiments, the pressing portion includes a pressing rod 41 disposed on the second rotating shaft 24, the pressing rod 41 has an inclined surface 42, a sleeve 43 is disposed on the top of the cover 1, a piston 44 is disposed in the sleeve 43, a spring 45 is disposed between the piston 44 and the sleeve 43, a connecting rod 46 is disposed on the top of the piston 44, a ball 47 is disposed on the top of the connecting rod 46, the pressing rod 41 is driven to rotate by the second rotating shaft 24, and the pressing rod 41 continuously increases the pressure on the ball 47 through the inclined surface 42 to press the cover 1.

When the sealing ring 11 moves to the position right above the manhole, the motor drives the second rotating shaft 24 to rotate continuously, at this time, the pressure of the pressing rod 41 on the ball 47 is continuously increased through the inclined surface 42, so as to drive the piston 44 to move downwards, and the cover body 1 is pressed through the pressing spring 45, and at this time, the elastic telescopic rod 31 is in a compressed state. When the cover body 1 needs to be opened, the pressing rod 41 rotates reversely to loosen the ball 47, the elastic telescopic rod 31 is restored to the extended state, then the sector gear 25 contacts with the intermediate gear 23, and the cover body 1 is driven to rotate through the connection relation, so that the cover body 1 is opened.

The sealing ring 11 can be pressed in the manhole through the pressing part, and the sealing performance of the tank body is guaranteed.

In some embodiments, the bottom of the cover body 1 is further provided with a cleaning part for cleaning a manhole.

Optionally, the cleaning part comprises a brush 5 arranged at the bottom of the cover body 1.

The brush 5 is driven to move by the movement of the cover body 1 to clean the periphery of the manhole, so that some dust around the manhole can be cleaned, and the sealing performance is favorably improved.

In some embodiments, the manhole cover comprises a plurality of bars 51 arranged side by side, and the bars 51 are used for contacting the brush 5 to clean the brush 5. Thus, the cleaning effect of the long-time brush 5 can be ensured.

In some embodiments, the manhole cover comprises a limiting plate 6, wherein the limiting plate 6 is used for limiting the cover 1, and when the cover 1 contacts the limiting plate 6, the sealing ring 11 is located right above the manhole. So that the position of the cover body 1 can be more accurate.

It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.