CN203462042U - Quick-opening manhole - Google Patents
Quick-opening manhole Download PDFInfo
- Publication number
- CN203462042U CN203462042U CN201320524743.XU CN201320524743U CN203462042U CN 203462042 U CN203462042 U CN 203462042U CN 201320524743 U CN201320524743 U CN 201320524743U CN 203462042 U CN203462042 U CN 203462042U
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- China
- Prior art keywords
- manhole
- plate
- lifting rod
- rotary disk
- quick opening
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Abstract
The utility model provides a quick-opening manhole, wherein a turnover locking bolt is annularly arranged between the manhole and a manhole cover, the turnover locking bolt comprises a bolt part, a boss part and a hanging lug, the boss part is arranged below the bolt part, the boss part is wider than the bolt part, the hanging lug is arranged at the lower end of the boss part, and a connecting element is arranged between the hanging lug and a manhole flange; and a manhole cover lifting device comprises an upper lifting rod, a rotary assembly and a lower lifting rod, the rotary assembly comprises a rotary disc, an oval plate, a rotary shaft and a handle, the rotary shaft is arranged between the oval plate and the rotary disc, the handle is connected with the rotary disc, the oval plate is a hollow oval plate and is in sliding connection with the upper lifting rod and the lower lifting rod respectively, the upper lifting rod is connected with a rotary jib, and the lower lifting rod is connected with the manhole cover. According to the quick-opening manhole provided by the utility model, the manhole cover can be locked reliably in terms of strength and rigidity, and the operation is simple, safe, convenient and reliable.
Description
Technical field
The utility model relates to a kind of fermentation unit, is specifically related to a kind of quick opening manhole.
Background technology
On the end socket of the top of each fermentor tank, be equipped with a manhole device, its effect is that inner stirring installed, maintenance, in zymotechnique, pass in and out the passage in fermentor tank, in existing fermentor tank manhole, ubiquity following drawback: use after for some time, the permanent seat of bolt and the side direction of falling fixedly pivot pin or bolt, moment of torsion when all being screwed and unclamping, be subject to the pulling force such as tools for bolts ' pretension and sealing load produces torsional deformation and cannot overturn and even cannot normally use simultaneously, be welded in that permanent seat on manhole bucket joint is subject to same moment of torsion and pulling force saves bucket tractive distortion and makes seal failure, the equal Shortcomings of strength and stiffness of manhole plate locking, this kind of form manhole locking is fallen bolt in the course of processing, also often there is the defects such as welding distortion, and flip angle infinite place, while opening, often collide end socket or manhole connecting pipe, make vessel surface or screw thread impaired serious.The lifting gear of manhole plate is realized lifting by screw thread or pitch by twisting of handwheel or handle, for the manhole of large-size, operates not only inconvenience but also underaction, operational motion is loaded down with trivial details, even operational difficulty also exists potential safety hazard sometimes.
Utility model content
The problem that the utility model exists for above-mentioned prior art makes improvements, be that the technical problems to be solved in the utility model is to provide a kind of quick opening manhole, simple, convenient when this quick opening manhole can make switch manhole, reliable, make fermenting process safe and reliable, prevent the abnormal generation of fermenting process, improved the efficiency of fermentation.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
A kind of quick opening manhole, comprise manhole, manhole plate, manhole plate lifting gear, revolution arm, revolution arm permanent seat, upset securing bolt, described manhole plate is located on described manhole, described manhole plate lifting gear one end is connected with described manhole plate, the other end is connected with described revolution arm, and described revolution arm is located on described revolution arm permanent seat, and described manhole is provided with manhole flange, described manhole plate is provided with manhole plate flange
Described upset securing bolt is located between described manhole and manhole plate, described upset securing bolt comprises bolt part, boss portion and hangers, described boss portion is located at the below of described bolt part, described boss portion is wider than described bolt part, described hangers is located at the lower end of described boss portion, between described hangers and described manhole flange, is provided with web member;
Described manhole plate lifting gear comprises lifting rod, gyro black assembly, lower lifting rod, described gyro black assembly comprises rotary disk, oval plate, rotating shaft, handle, between described oval plate and described rotary disk, be provided with rotating shaft, described handle is connected with described rotary disk, described oval plate is the oval plate of hollow, be slidably connected mutually with described upper lifting rod and lower lifting rod respectively, described upper lifting rod is connected with described revolution arm, and described lower lifting rod is connected with described manhole plate.
Further, the number of rotary disk, oval plate, rotating shaft, handle described in described gyro black assembly is all two, and symmetrical one by one.
Further, between described handle, be provided with union lever.
Further, described gyro black assembly also comprises a pair of revolving meber set screw nut, a pair of revolving meber orienting sleeve, and described revolving meber orienting sleeve is located at respectively on described rotary disk, and described revolving meber set screw nut is divided on described rotary disk.
Further, described rotary disk is solid disk.
Further, the greatest radius of described oval plate is less than the radius of described rotary disk.
Further, described manhole plate lifting gear also comprises lifting rod orienting sleeve, gim peg, described lifting rod orienting sleeve is arranged in respectively on described upper lifting rod and lower lifting rod, described gim peg symmetrically, is located at respectively one end that described lifting rod orienting sleeve closes on described oval plate centered by oval plate.
Further, described revolution arm is provided with revolution arm locking latches.
A kind of quick opening manhole of the utility model, its part turnover securing bolt is reduced to the effect of trip shaft just to hang and gyroscopic action, and without welding, the main body of bolt is processed as to rectangle to be contained in the bolt slot on manhole flange and manhole plate flange, can bear the moment of torsion when screwing and unclamping, on upset securing bolt, there is boss portion, after manhole plate locking, boss portion is locked manhole flange and manhole plate flange as opening very much the mode of manhole, the strength and stiffness of manhole plate locking are all very reliable.Original manhole plate revolution arm is by the lifting of twisting of handwheel or handle by screw thread or pitch, in the utility model, manhole plate is turned round to arm and change two sections into, the middle gyro black assembly that adopts connects, in this syndeton, comprising is an oval plate, this oval plate is fixed on a lever-type handle, this handle only needs the lifting that can realize manhole plate that spins upside down at 90 ° of angles, makes its operation not only simple and safe but also convenient and reliable.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the quick opening manhole's of a kind of embodiment of the utility model schematic diagram;
Fig. 2 is the vertical view of Fig. 1;
The schematic diagram of bolt overturns when Fig. 3 is locking state;
The schematic diagram of bolt overturns when Fig. 4 is released state;
Fig. 5 is the schematic diagram of upset bolt;
Fig. 6 is manhole plate lifting gear schematic diagram;
The structural representation of manhole plate lifting gear when Fig. 7 is manhole plate lifting state;
The structural representation of manhole plate lifting gear when Fig. 8 is manhole plate closure state.
Embodiment
As shown in Figure 1, the utility model discloses a kind of quick opening manhole, comprise manhole, manhole plate, manhole plate lifting gear 2, revolution arm 3, revolution arm permanent seat 5, upset securing bolt 1, manhole plate is located on manhole, manhole plate lifting gear 2 one end are connected with manhole plate, and the other end is connected with manhole plate revolution arm 3, and revolution arm 3 is located on revolution arm permanent seat 5, manhole is provided with manhole flange 7, and manhole plate is provided with manhole plate flange 6.Revolution arm 3 is provided with revolution arm locking latches 4.Locking revolution arm locking latches 4 in manhole plate locking, when needs are opened manhole plate, opens revolution arm locking latches 4, again locks revolution arm locking latches 4 when manhole plate moves suitable position.
As shown in Figure 2-5, upset securing bolt 1 is around being located on manhole plate, each upset securing bolt 1 is located between manhole and manhole plate, specifically be arranged between manhole flange 7 and manhole plate flange 6, upset securing bolt 1 comprises bolt part, boss portion 9 and hangers 10, boss portion 9 is located at the below of bolt part, and boss portion 9 is wider than bolt part, and hangers 10 is located at the lower end of boss portion 9.After manhole plate locking, boss portion 9, by manhole flange and the locking of manhole plate flange, makes the strength and stiffness of manhole plate locking all very reliable.Between hangers 10 and manhole flange 7, be provided with web member 11, web member is selected screw in the present embodiment.
As shown in Fig. 6-8, manhole plate lifting gear 2 comprises lifting rod 21, gyro black assembly 25, lower lifting rod 27, gyro black assembly 25 comprises rotary disk, oval plate, rotating shaft, handle 30, between oval plate and rotary disk, be provided with rotating shaft, handle 30 is connected with rotary disk, and the oval plate that oval plate is hollow is connected with lower lifting rod 27 with upper lifting rod 21 respectively, upper lifting rod 21 is connected with revolution arm 3, and lower lifting rod 27 is connected with manhole plate.
In gyro black assembly 25, the number of rotary disk, oval plate, rotating shaft, handle 30 is all two, and symmetrical one by one.Between handle 30, be provided with union lever, handle 30 forms Handleset 26 jointly with union lever.
The structural representation of manhole plate lifting gear 2 while being manhole plate lifting state as Fig. 7, when mentioning Handleset 26, handle 30 drives rotary disk, rotary disk drives rotating shaft, thereby drive oval plate, make the short radius end of oval plate turn to respectively lifting rod 21, lower lifting rod 27 places, that is: make lifting rod 21 and lower lifting rod 27 close to each other, thereby manhole plate is raised.
The structural representation of manhole plate lifting gear 2 while being manhole plate closure state as Fig. 8, Handleset 26 is rotated to 90 °, handle 30 drives rotary disk, rotary disk drives rotating shaft, thereby drive oval plate, make the greatest radius end of oval plate turn to respectively lifting rod 21, lower lifting rod 27 places, that is: make lifting rod 21 and lower lifting rod 27 mutually away from, thereby make manhole plate fall to being placed on manhole.
2 of the manhole lifting gears that are arranged so that in sum promote or decline manhole plate in vertical range, avoid the motion of other directions, can not cause the dislocation of manhole lifting gear 2 or become flexible because of life-time service, simple to operation.
In addition, gyro black assembly 25 also comprises a pair of revolving meber set screw nut 28, a pair of revolving meber orienting sleeve 29, and revolving meber orienting sleeve 29 is located at respectively on rotary disk, and revolving meber set screw nut 28 is spun on revolving meber orienting sleeve on 29, reinforces gyro black assembly 25.
In the present embodiment, rotary disk is solid disk.The greatest radius of oval plate is less than the radius of rotary disk.
Manhole plate lifting gear 2 also comprises lifting rod orienting sleeve 22, gim peg 23, lifting rod orienting sleeve 22 is arranged in respectively on lifting rod 21 and lower lifting rod 27, lifting rod 21 and lower lifting rod 27 can not swung easily, gim peg 23 symmetrically, is located at respectively one end that lifting rod orienting sleeve 22 closes on gyro black assembly 25 centered by oval plate; Be followed successively by from outside to inside lifting rod, lifting rod orienting sleeve 22, gim peg 23, gyro black assembly 25.
A kind of quick opening manhole of the utility model, its parts manhole is locked the bolt of falling the effect of trip shaft is reduced to and is just hung and gyroscopic action, and without welding, the main body of bolt is processed as to rectangle to be contained in the bolt slot on manhole flange and blind flange, can bear the moment of torsion when screwing and unclamping, bolt head boss is arranged at the fall bottom of bolt, after manhole plate locking, this bolt is locked manhole flange and blind flange as opening very much the mode of manhole, the strength and stiffness of manhole plate locking are all very reliable.Manhole plate arm is originally by the lifting of twisting of handwheel or handle by screw thread or pitch, changed into two sections, the middle syndeton that adopts connects, this syndeton is an ellipse with length limit, the ellipse on this length limit is fixed on a lever-type handle, this handle only needs the lifting that can realize manhole plate that spins upside down at 90 ° of angles, makes its operation not only simple and safe but also convenient and reliable.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a quick opening manhole, comprise manhole, manhole plate, manhole plate lifting gear, revolution arm, revolution arm permanent seat, upset securing bolt, described manhole plate is located on described manhole, described manhole plate lifting gear one end is connected with described manhole plate, the other end is connected with described revolution arm, and described revolution arm is located on described revolution arm permanent seat, and described manhole is provided with manhole flange, described manhole plate is provided with manhole plate flange, it is characterized in that:
Described upset securing bolt is located between described manhole and manhole plate, described upset securing bolt comprises bolt part, boss portion and hangers, described boss portion is located at the below of described bolt part, described boss portion is wider than described bolt part, described hangers is located at the lower end of described boss portion, between described hangers and described manhole flange, is provided with web member;
Described manhole plate lifting gear comprises lifting rod, gyro black assembly, lower lifting rod, described gyro black assembly comprises rotary disk, oval plate, rotating shaft, handle, between described oval plate and described rotary disk, be provided with rotating shaft, described handle is connected with described rotary disk, described oval plate is the oval plate of hollow, be slidably connected mutually with described upper lifting rod and lower lifting rod respectively, described upper lifting rod is connected with described revolution arm, and described lower lifting rod is connected with described manhole plate.
2. quick opening manhole according to claim 1, is characterized in that: the number of rotary disk, oval plate, rotating shaft, handle described in described gyro black assembly is all two, and symmetrical one by one.
3. quick opening manhole according to claim 2, is characterized in that: between described handle, be provided with union lever.
4. quick opening manhole according to claim 1, it is characterized in that: described gyro black assembly also comprises a pair of revolving meber set screw nut, a pair of revolving meber orienting sleeve, described revolving meber orienting sleeve is located at respectively on described rotary disk, and described revolving meber set screw nut is divided on described rotary disk.
5. quick opening manhole according to claim 1, is characterized in that: described rotary disk is solid disk.
6. quick opening manhole according to claim 1, is characterized in that: the greatest radius of described oval plate is less than the radius of described rotary disk.
7. quick opening manhole according to claim 1, it is characterized in that: described manhole plate lifting gear also comprises lifting rod orienting sleeve, gim peg, described lifting rod orienting sleeve is arranged in respectively on described upper lifting rod and lower lifting rod, described gim peg symmetrically, is located at respectively one end that described lifting rod orienting sleeve closes on described oval plate centered by oval plate.
8. quick opening manhole according to claim 1, is characterized in that: described revolution arm is provided with revolution arm locking latches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524743.XU CN203462042U (en) | 2013-08-27 | 2013-08-27 | Quick-opening manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524743.XU CN203462042U (en) | 2013-08-27 | 2013-08-27 | Quick-opening manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203462042U true CN203462042U (en) | 2014-03-05 |
Family
ID=50174418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524743.XU Expired - Fee Related CN203462042U (en) | 2013-08-27 | 2013-08-27 | Quick-opening manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203462042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436432A (en) * | 2013-08-27 | 2013-12-11 | 江阴德尔热能机械有限公司 | Quick-opening manhole |
-
2013
- 2013-08-27 CN CN201320524743.XU patent/CN203462042U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436432A (en) * | 2013-08-27 | 2013-12-11 | 江阴德尔热能机械有限公司 | Quick-opening manhole |
| CN103436432B (en) * | 2013-08-27 | 2015-12-23 | 江阴德尔热能机械有限公司 | Quick opening manhole |
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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: 20140305 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |