CN207348667U - A kind of manhole cover opening device for pressure vessel - Google Patents
A kind of manhole cover opening device for pressure vessel Download PDFInfo
- Publication number
- CN207348667U CN207348667U CN201721306513.0U CN201721306513U CN207348667U CN 207348667 U CN207348667 U CN 207348667U CN 201721306513 U CN201721306513 U CN 201721306513U CN 207348667 U CN207348667 U CN 207348667U
- Authority
- CN
- China
- Prior art keywords
- manhole
- manhole cover
- cover
- housing
- pressure vessel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of manhole cover opening device for pressure vessel, including the manhole and manhole cover on pressure vessel, the manhole is connected with manhole cover by manhole flange disk with manhole cover ring flange, being equipped with the manhole cover ring flange makes power drive unit of the manhole cover along manhole cross-sectional moment, and the power drive unit includes motor, connects the rotating bar of machine shaft；Bearing cross hole is equipped with the manhole cover ring flange, sets bearing holder (housing, cover) in bearing cross hole, rotating bar is sheathed in bearing holder (housing, cover).The utility model is used cooperatively by bearing holder (housing, cover), machine shaft, rotating bar, manhole cover can be made along the bearing cross hole on manhole cover ring flange to be axis rotation, so as to fulfill the unlatching of manhole cover, with easy to operate, apparatus structure is compact, is not take up operating space, can reduce security risk.
Description
Technical field
The utility model is a kind of manhole cover opening device for pressure vessel, and in particular to automatically turns on pressure vessel
The mechanical equipment of manhole cover, belongs to technical field of chemical.
Background technology
The manhole cover used on chemical process container or storage tank is the passage that tank body is passed in and out for people, commonly used in checking, examining
Used when repairing and clear up state of arts in tank body.For closed pressure vessel or storage tank, manhole is generally arranged at tank body
Top, and according to technological process and production capacity size from the point of view of, the positional distance ground level of manhole on most of pressure vessel
It is high more than about 2 meters, and heavier-weight, every time dismounting are required at least 5 to 7 people to carry out charge and discharge operations manually using crowbar, coir rope, and
And since operating space is limited, fixed high-altitude working platform can not be built, therefore, when practical operation, there is problems：
（1）A large amount of manpowers need to be used during handling, using pure manual operation, expend a large amount of muscle power, and work efficiency is especially low,
It can also influence other job schedules at the same time.
（2）Simple platform is built in actual production, since opereating specification is narrow and small, standing room deficiency, there are high-altitude work
The security risk of industry, operation are extremely inconvenient.
Based on the above problem, existing patent document CN106144295A（A kind of manhole cover self-opening device,
2016.11.23）The device automatically turned on by the priority extension and contraction control of two cylinders come controlling manhole lid is disclosed, cylinder is set
End socket top is placed in, one end is connected with fixed plate, and one end is connected with movable plate, and cylinder is arranged at equipment side, one end connection master
Beam, one end connection cylinder supports seat, cylinder supports seat is connected with cylinder, is fixed on cylinder, manhole top spherical seal head and
Girder, support plate connection, girder support base and girder pin connection.
Utility model content
The purpose of this utility model is to provide a kind of manhole cover opening device for pressure vessel, in manhole cover flange
Bearing holder (housing, cover) is designed with disk, rotating bar is driven by machine shaft, manhole cover can be made along the bearing cross hole on manhole cover ring flange
For axis rotation, so as to fulfill the unlatching of manhole cover, have easy to operate, apparatus structure is compact, is not take up operating space,
Security risk can be reduced.
The utility model is achieved through the following technical solutions：It is described including the manhole and manhole cover on pressure vessel
Manhole is connected with manhole cover by manhole flange disk with manhole cover ring flange, and being equipped with the manhole cover ring flange makes manhole cover
Along the power drive unit of manhole cross-sectional moment, the power drive unit includes motor, connects the rotating bar of machine shaft；
Bearing cross hole is equipped with the manhole cover ring flange, sets bearing holder (housing, cover) in bearing cross hole, rotating bar is sheathed in bearing holder (housing, cover).
It is equipped with through hole on the manhole flange disk, one end of the rotating bar is connected to bearing holder (housing, cover) after passing through through hole
It is interior, pinion gear is set on the rotating bar other end, gear wheel is set in the shaft of the motor, the gear wheel passes through chain with pinion gear
Connection.
The rotating bar is ball-screw, and moving sleeve, the diameter of the through hole are arranged with the rotating bar
More than moving sleeve and the diameter of bearing cross hole, the bearing holder (housing, cover) is unilateral bearing, moving sleeve with ball-screw rotation to
When bearing holder (housing, cover) moves, bearing holder (housing, cover) is freely rotated；When moving sleeve is moved with the rotation of ball-screw to pinion gear, bearing lock set
Tightly.
The rotating bar, moving sleeve, pinion gear, motor, gear wheel, chain are arranged in housing.
Two groups of motor start switch of control machine shaft rotation direction are externally provided with the housing.
The utility model compared with prior art, has the following advantages and beneficial effect：
（1）The utility model is provided with bearing holder (housing, cover) on manhole cover, then drives rotating bar, rotating bar by machine shaft
The mode for driving bearing holder (housing, cover) to rotate, realizes rotarily opening for manhole cover.
（2）Rotating bar described in the utility model is ball-screw, and ball-screw is set in bearing holder (housing, cover) through through hole,
Bearing holder (housing, cover) is unilateral bearing, and when motor drives ball screw turns, moving sleeve can move along ball-screw and act on people
On port lid ring flange, unilateral bearing is freely rotated at this time, and the moving sleeve acted on manhole cover ring flange can be by manhole caping
Rise a little, admit air into manhole cover ring flange, the gasket of manhole flange disk, it is especially suitable easy to the unlatching of follow-up manhole cover
Used for pressure vessel.
（3）The utility model is easy to operate, easy to control, i.e. controllable by the two groups of motor start switch set outside housing
Manhole cover rotarily opens, and one group of motor start switch starts, and ball-screw is rotated along clockwise/counterclockwise can drive movable sleeving
Cylinder jacks up manhole cover ring flange；Then another group of motor start switch is started, control ball-screw rotates backward, unilateral bearing
It is locked, realize rotarily opening for manhole cover.
Brief description of the drawings
Fig. 1 is the structure diagram of pressure vessel described in the utility model.
Fig. 2 is the structure diagram of the utility model.
Fig. 3 is the enlarged diagram of A shown in Fig. 2.
Wherein, 1-pressure vessel, 2-manhole, 201-manhole flange disk, 202-through hole, 3-manhole cover, 301-
Manhole cover ring flange, 302-bearing holder (housing, cover), 4-power drive unit, 401-motor, 402-rotating bar, 5-pinion gear, 6-
Gear wheel, 7-chain, 8-moving sleeve, 9-housing, 10-motor start switch.
Embodiment
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment：
The present embodiment proposes a kind of manhole cover opening device for pressure vessel, which uses power drive unit
4 realize rotarily opening for manhole cover 3.As shown in Figure 1, at the manhole 2 and manhole cover 3 at the top of pressure vessel 1, in Fig. 1, people
The manhole flange disk 201 and manhole cover ring flange 301 for its connection are equipped with hole 2 and manhole cover 3, power drive unit 4 is set
In on manhole cover 3, it is the automatic opening for making manhole cover 3 along 2 cross-sectional moment of manhole so as to fulfill manhole cover 3 that it, which is acted on,.
As shown in Figure 2 and Figure 3, the structure for the power drive unit 4 that the present embodiment is related to can be specifically summarized as follows：
Power drive unit 4 includes motor 401 and connects the rotating bar 402 of 401 shaft of motor, in manhole cover ring flange
301 are equipped with bearing cross hole, and bearing holder (housing, cover) 302 is set in bearing cross hole, and manhole flange disk 201 is equipped with through hole 202, rotating bar
402 one end is connected in bearing holder (housing, cover) 302 after passing through through hole 202, and pinion gear 5, motor are set on the other end of rotating bar 402
Gear wheel 6 is set in 401 shaft, gear wheel 6 is connected with pinion gear 5 by chain 7.
In the present embodiment, rotating bar 402 is ball-screw, and moving sleeve 8, through hole 202 are arranged with rotating bar 402
Diameter be more than the diameter of moving sleeve 8 and bearing cross hole, bearing holder (housing, cover) 302 is unilateral bearing, and moving sleeve 8 is with ball-screw
Rotate to bearing holder (housing, cover) 302 move when, bearing holder (housing, cover) 302 is freely rotated；When moving sleeve 8 with the rotation of ball-screw to pinion gear 5
When mobile, bearing holder (housing, cover) 302 is locked.
For convenience of operation, as shown in figure 3, the present embodiment is by rotating bar 402, moving sleeve 8, pinion gear 5, motor 401, big
Gear 6, chain 7 are arranged in housing 9, while are externally provided with housing 9 and are controlled two groups of motors of 401 shaft rotation direction of motor to open
Dynamic switch 10.
Operation of the present embodiment when opening manhole cover 3 is as follows：
（1）Start one group of motor start switch 10,401 shaft of motor rotates along clockwise/counterclockwise and drives gear wheel 6
Rotate, gear wheel 6 drives pinion gear 5 to rotate by chain 7, so as to fulfill the rotation of ball-screw；
（2）Ball-screw rotates under the drive of 401 shaft of motor along clockwise/counterclockwise, is sheathed on ball-screw
Moving sleeve 8 move along a straight line along ball-screw, and act on manhole cover ring flange 301, manhole cover 3 jacked up a little, is made
Air enters manhole cover ring flange 301, the gasket of manhole flange disk 201；
（3）After staff observes that manhole cover 3 is jacked up a little, start another group of motor start switch 10, make motor
401 shafts rotate in reverse direction, and at this time, ball-screw also rotates in reverse direction, due to bearing holder (housing, cover) 302（Unilateral bearing）Along this side
To being locked, therefore, manhole cover 3 can be driven to be rotarily opened along this direction.
The above, is only the preferred embodiment of the utility model, and limit in any form is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (5)
1. a kind of manhole cover opening device for pressure vessel, including arranged on pressure vessel（1）On manhole（2）And manhole cover
（3）, the manhole（2）And manhole cover（3）Pass through manhole flange disk（201）With manhole cover ring flange（301）Connection, its feature exist
In：In the manhole cover ring flange（301）Being equipped with makes manhole cover（3）Along the power drive unit of manhole cross-sectional moment（4）,
The power drive unit（4）Including motor（401）, connection motor（401）The rotating bar of shaft（402）；In the manhole cover
Ring flange（301）Bearing cross hole is equipped with, bearing holder (housing, cover) is set in bearing cross hole（302）, rotating bar（402）It is sheathed on bearing holder (housing, cover)
（302）It is interior.
A kind of 2. manhole cover opening device for pressure vessel according to claim 1, it is characterised in that：In the people
Hole ring flange（201）It is equipped with through hole（202）, the rotating bar（402）One end pass through through hole（202）After be connected to axis
Bearing sleeve（302）It is interior, rotating bar（402）Pinion gear is set on the other end（5）, the motor（401）Shaft on set gear wheel（6）,
The gear wheel（6）With pinion gear（5）Pass through chain（7）Connection.
A kind of 3. manhole cover opening device for pressure vessel according to claim 2, it is characterised in that：Described turns
Lever（402）For ball-screw, in the rotating bar（402）On be arranged with moving sleeve（8）, the through hole（202）It is straight
Footpath is more than moving sleeve（8）With the diameter of bearing cross hole, the bearing holder (housing, cover)（302）For unilateral bearing, moving sleeve（8）With ball
The rotation of leading screw is to bearing holder (housing, cover)（302）When mobile, bearing holder (housing, cover)（302）It is freely rotated；Work as moving sleeve（8）With turning for ball-screw
Trend pinion gear（5）When mobile, bearing holder (housing, cover)（302）Locking.
A kind of 4. manhole cover opening device for pressure vessel according to claim 3, it is characterised in that：The rotation
Bar（402）, moving sleeve（8）, pinion gear（5）, motor（401）, gear wheel（6）, chain（7）It is arranged on housing（9）It is interior.
A kind of 5. manhole cover opening device for pressure vessel according to claim 4, it is characterised in that：In the shell
Body（9）It is externally provided with control motor（401）Two groups of motor start switch of shaft rotation direction（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721306513.0U CN207348667U (en) | 2017-10-11 | 2017-10-11 | A kind of manhole cover opening device for pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721306513.0U CN207348667U (en) | 2017-10-11 | 2017-10-11 | A kind of manhole cover opening device for pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207348667U true CN207348667U (en) | 2018-05-11 |
Family
ID=62358552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721306513.0U Expired - Fee Related CN207348667U (en) | 2017-10-11 | 2017-10-11 | A kind of manhole cover opening device for pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207348667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650975A (en) * | 2021-07-26 | 2021-11-16 | 安徽江淮扬天汽车股份有限公司 | Manhole cover of powder tanker |
-
2017
- 2017-10-11 CN CN201721306513.0U patent/CN207348667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650975A (en) * | 2021-07-26 | 2021-11-16 | 安徽江淮扬天汽车股份有限公司 | Manhole cover of powder tanker |
| CN113650975B (en) * | 2021-07-26 | 2023-07-07 | 安徽江淮扬天汽车股份有限公司 | Manhole cover of powder tank truck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204676497U (en) | Water conservancy headstock gear | |
| CN207348667U (en) | A kind of manhole cover opening device for pressure vessel | |
| CN107335162A (en) | A kind of modular automatic fire fighting cannon | |
| CN205575464U (en) | Portable adjustable inclination lift platform of full section operation of power station steel pipe inclined shaft | |
| CN207417624U (en) | A kind of manhole cover automatic opening-closing | |
| CN105457959A (en) | Cement bin cleaning machine | |
| CN206794309U (en) | A kind of liquid chemical ton bucket cleaning device | |
| CN108253194B (en) | A kind of Pipe installing equipment with ground mending function | |
| CN201980905U (en) | Ground jack of crane and crane with same | |
| CN102001594B (en) | Crane and supporting leg thereof | |
| CN107178505A (en) | Horizontal one-stage pump is just tieed up in the sliding rotation of one kind | |
| CN204686757U (en) | The pneumatic impact spanner of mother nut is rotated in pressurized-water reactor nuclear power plant | |
| CN105129275B (en) | Oil field tank car adds arranging device automatically | |
| CN208683962U (en) | Pile plate separator for unstacker | |
| CN203130009U (en) | Control device for electric locking lever of blower preventer | |
| CN103424043B (en) | Underground lift emulsion field mixed loading truck | |
| CN206886637U (en) | A kind of auto repair auto repair tilting gearing | |
| CN206297159U (en) | The new-type tyre catching apparatus of vulcanizer | |
| CN206888983U (en) | A kind of penstock installs movable automatic tooled joint car | |
| CN206456830U (en) | A kind of novel outdoor conderground garbage cab | |
| CN108413248A (en) | A kind of ventilation guiding device | |
| CN210820190U (en) | Mixer for building | |
| CN106272242A (en) | A kind of universal work platforms for rolling bearing dismounting | |
| CN112207977B (en) | Conveying device for slurry transfer | |
| CN110803725A (en) | Environment-friendly sewage treatment process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20201011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |