CN211444685U - Lifting appliance for top cover before cover opening of pressure container - Google Patents
Lifting appliance for top cover before cover opening of pressure container Download PDFInfo
- Publication number
- CN211444685U CN211444685U CN201922273004.8U CN201922273004U CN211444685U CN 211444685 U CN211444685 U CN 211444685U CN 201922273004 U CN201922273004 U CN 201922273004U CN 211444685 U CN211444685 U CN 211444685U
- Authority
- CN
- China
- Prior art keywords
- conical head
- screw rod
- head
- hole
- lead screw
- 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.)
- Active
Links
Images
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a pressure vessel cover opening front top cover lifting appliance, which comprises a guide conical head, a screw rod, a manual traction device and a screw rod nut, wherein the surface of the screw rod is coiled with external threads, the inner center of the guide conical head is provided with a guide conical head inner hole matched with the external threads on the surface of the screw rod, the guide conical head inner hole runs through the two ends of the guide conical head and is arranged, one side wall of the manual traction device, which is far away from the guide conical head, is provided with a screw rod through hole matched with the external threads on the surface of the screw rod, the utility model installs the guide conical head at one end of a tripod, installs the manual traction device and the screw rod nut at the other end of an installation pin, can use a tool to install the pin shaft as long as the centering dislocation of the lifting appliance and the top cover is larger than the small diameter of the guide conical head of the pin, saves, the installation is more labor-saving and more convenient.
Description
Technical Field
The utility model relates to a pressure vessel appurtenance's technical field, especially pressure vessel uncaps the technical field of preceding top cap hoist.
Background
After the maintenance of the pressure vessel is started, the installation work of a top cover lifting appliance tripod lifting appliance before the pressure vessel is opened is carried out, the lifting appliance and the top cover are connected through a pin with the diameter of 100X235MM, a 12-pound sledge is normally used for installing a positioning pin under the cooperation of a ring crane, and the centering requirement is relatively high. Due to the fact that the top cover lifting appliance or the large cover connecting element deforms over time, the lifting appliance and the top cover pin hole are aligned and offset, and the installation of the pin shaft needs the chain block to be matched and installed, so that time and labor are wasted.
Disclosure of Invention
The utility model discloses a solve the problem among the prior art, provide a pressure vessel top cap hoist before uncapping, can improve pressure vessel top cap hoist tripod hoist installation effectiveness before uncapping, it is more laborsaving to install, and is more convenient.
In order to realize the purpose, the utility model provides a pressure vessel cover opening front top cover lifting appliance, which comprises a guide conical head, a screw rod, a manual traction device and a screw rod nut, the surface of the screw rod is coiled with external threads, the inner center of the guide conical head is provided with a guide conical head internal thread hole which can be matched with the external threads on the surface of the screw rod, the inner screw hole of the guide conical head is arranged by penetrating through the two ends of the guide conical head, the side wall of the manual traction device far away from the guide conical head is provided with a screw rod through hole which can be matched with the external screw thread on the surface of the screw rod, the side wall of the opposite side of the screw rod through hole is provided with a guide conical head through hole which can be matched with the guide conical head, the screw rod penetrates through a screw rod through hole and a guide conical head through hole of the manual traction device, and one end of the manual traction device, which is far away from the guide conical head, is provided with a screw rod nut, and the screw rod nut is in threaded connection with the screw rod in a matching manner.
Preferably, the manual traction device is a rectangular frame formed by welding four metal plates in a combined manner, two symmetrical sides of the manual traction device are hollowed out, the screw rod through hole is formed in the side wall far away from the guide conical head, a through hole is formed in the manual traction device, and the through hole is circular.
Preferably, a rectangular head is arranged at one end of the screw rod, the width of the rectangular head is smaller than the diameter of the screw rod, the rectangular head and the screw rod are coaxially arranged, and the rectangular head is arranged at one end, close to the manual traction device, of the screw rod.
Preferably, the guide conical head comprises a conical head disc and a conical head circular table, the conical head disc and the conical head circular table are coaxially arranged integrally, and the conical head circular table is arranged at one end close to the manual traction device.
Preferably, the conical head disk is provided with a screw rod fixing threaded hole, the screw rod fixing threaded hole is communicated with the inner threaded hole of the guide conical head, and a holographic bolt can be arranged in the screw rod fixing threaded hole to be matched with the screw rod to fix the screw rod.
The utility model relates to a beneficial effect of top cap hoist before pressure vessel uncaps: the utility model discloses a with round pin axle one end installation direction conical head, install manual draw gear and screw-nut additional at the installation pin other end, hoist and top cap centering dislocation as long as the path that is greater than pin direction conical head just can use tool installation round pin axle, save the large-scale instrument cooperation of chain block sledge, top cap hoist tripod hoist installation effectiveness before improving pressure vessel and uncapping, the installation is more laborsaving, more convenient.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a top cover hanger for opening a cover of a pressure vessel according to the present invention;
fig. 2 is a schematic structural diagram top view of the top cover hanger before the cover opening of the pressure vessel.
In the figure: the lead screw comprises a 1-guide conical head, a 2-lead screw, a 3-manual traction device, a 4-lead screw nut, a 11-guide conical head inner screw hole, a 12-conical head disc, a 13-conical head circular table, a 21-outer screw thread, a 22-rectangular head, a 31-lead screw through hole, a 32-guide conical head through hole, a 33-through hole and a 121-lead screw fixing screw hole.
Detailed Description
Referring to fig. 1 and 2, the utility model relates to a pressure vessel cover opening front top cover lifting appliance, which comprises a guide cone head 1, a screw rod 2, a manual traction device 3 and a screw nut 4, wherein the surface of the screw rod 2 is coiled with an external thread 21, the inner center of the guide cone head 1 is provided with a guide cone head internal thread hole 11 which can be matched with the external thread 21 on the surface of the screw rod 2, the guide cone head internal thread hole 11 is arranged by penetrating through two ends of the guide cone head 1, the side wall of the manual traction device 3, which is far away from the guide cone head 1, is provided with a screw rod through hole 31 which can be matched with the external thread 21 on the surface of the screw rod 2, the side wall of the screw rod through hole 31 is provided with a guide cone head through hole 32 which can be matched with the guide cone head 1, the screw rod 2 passes through the screw rod through hole 31 and the guide cone head through hole 32 of the manual traction device 3, the lead screw nut 4 is in threaded connection with the lead screw 2 in a matching manner, the manual traction device 3 is a rectangular frame formed by welding four metal plates in a combined manner, two symmetrical sides of the manual traction device 3 are hollow, the lead screw through hole 31 is formed in one side wall far away from the guide cone head 1, the manual traction device 3 is provided with a through hole 33, the through hole 33 is circular, one end of the lead screw 2 is provided with a rectangular head 22, the width of the rectangular head 22 is smaller than the diameter of the lead screw 2, the rectangular head 22 and the lead screw 2 are coaxially arranged, the rectangular head 22 is arranged at one end, close to the manual traction device 3, of the lead screw 2, the guide cone head 1 comprises a cone head disc 12 and a cone head circular table 13, the cone head disc 12 and the cone head circular table 13 are coaxially arranged integrally, the cone head circular table 13 is arranged at one end close to the manual traction device 3, the conical head disc 12 is provided with a screw rod fixing threaded hole 121, the screw rod fixing threaded hole 121 is communicated with the guide conical head inner threaded hole 11, and a holographic bolt can be arranged in the screw rod fixing threaded hole 121 to be matched with the screw rod 2 to fix the screw rod 2.
The utility model discloses the working process:
the utility model relates to a top cap hoist before pressure vessel uncaps installs round pin axle one end direction conical head 1 in the course of the work, installs screw-nut 3 additional at the installation pin other end, and hoist and top cap centering dislocation just can use tool setting pin axle as long as be greater than the path of pin direction conical head 1, save the large-scale instrument cooperation of chain block sledge.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (5)
1. The utility model provides a top cap hoist before pressure vessel uncaps which characterized in that: including direction conical head (1), lead screw (2), manual draw gear (3), screw-nut (4), lead screw (2) surface coil be equipped with external screw thread (21), direction conical head (1) inner center be equipped with can with lead screw (2) surface external screw thread (21) complex direction conical head internal screw hole (11), direction conical head internal screw hole (11) run through direction conical head (1) both ends and set up, one side lateral wall that manual draw gear (3) kept away from direction conical head (1) be equipped with can with lead screw (2) surface external screw thread (21) cooperation lead screw clearing hole (31), lead screw clearing hole (31) opposite side lateral wall be equipped with can with direction conical head clearing hole (1) complex direction conical head (32), lead screw (2) pass through from clearing hole (31) and the direction conical head clearing hole (32) of manual draw gear (3), and one end of the manual traction device (3) far away from the guide conical head (1) is provided with a screw rod nut (4), and the screw rod nut (4) is in threaded connection with the screw rod (2) in a matching manner.
2. The pressure vessel lid opening front cover hanger according to claim 1, wherein: manual draw gear (3) be the rectangle framework that four metal sheet built-up welding formed, manual draw gear (3) wherein two symmetrical sides be the fretwork, lead screw clearing hole (31) locate on keeping away from one side lateral wall of direction conical head (1), manual draw gear (3) on be equipped with through-hole (33), through-hole (33) circular.
3. The pressure vessel lid opening front cover hanger according to claim 1, wherein: lead screw (2) one end be equipped with rectangle head (22), the width of rectangle head (22) be less than the diameter of lead screw (2), rectangle head (22) and lead screw (2) coaxial setting, rectangle head (22) locate lead screw (2) be close to the one end of manual draw gear (3).
4. The pressure vessel lid opening front cover hanger according to claim 1, wherein: the guide cone head (1) comprises a cone head disc (12) and a cone head circular table (13), the cone head disc (12) and the cone head circular table (13) are integrally and coaxially arranged, and the cone head circular table (13) is arranged at one end close to the manual traction device (3).
5. The pressure vessel lid opening front cover hanger according to claim 4, wherein: the conical head disc (12) is provided with a screw rod fixing threaded hole (121), the screw rod fixing threaded hole (121) is communicated with the guide conical head inner threaded hole (11), and a holographic bolt can be arranged in the screw rod fixing threaded hole (121) to be matched with the screw rod (2) to fix the screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273004.8U CN211444685U (en) | 2019-12-17 | 2019-12-17 | Lifting appliance for top cover before cover opening of pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273004.8U CN211444685U (en) | 2019-12-17 | 2019-12-17 | Lifting appliance for top cover before cover opening of pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211444685U true CN211444685U (en) | 2020-09-08 |
Family
ID=72320563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922273004.8U Active CN211444685U (en) | 2019-12-17 | 2019-12-17 | Lifting appliance for top cover before cover opening of pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211444685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125128A (en) * | 2020-09-21 | 2020-12-25 | 中核核电运行管理有限公司 | Auxiliary device and method for guiding and installing pin shaft of lifting appliance of top cover of pressure vessel |
-
2019
- 2019-12-17 CN CN201922273004.8U patent/CN211444685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125128A (en) * | 2020-09-21 | 2020-12-25 | 中核核电运行管理有限公司 | Auxiliary device and method for guiding and installing pin shaft of lifting appliance of top cover of pressure vessel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202225126U (en) | Socket wrench capable of preventing nut loosening | |
| CN211444685U (en) | Lifting appliance for top cover before cover opening of pressure container | |
| CN202707746U (en) | Structure for pulling out bolt without top | |
| CN209050686U (en) | The fast quick-detach hydraulic device of roll shaft bearing | |
| CN103769843A (en) | Adjustable taper pin hydraulic puller | |
| CN205765908U (en) | A kind of ATF pump mentions device | |
| CN204736176U (en) | Support cover and decompose combination instrument | |
| CN204900467U (en) | Screw up screw fast | |
| CN203474264U (en) | Flange surface tension lifting appliance | |
| CN219562951U (en) | Dismounting device for mechanical seal of autoclave | |
| CN211245636U (en) | Defoaming jar is torn open and is examined isolated plant | |
| CN205521175U (en) | Pin puller | |
| CN201562525U (en) | Box cover type device for hoisting and fixing | |
| CN201385287Y (en) | Draw-type detacher | |
| CN218647521U (en) | Traffic signal indicating device convenient to detach | |
| CN204342325U (en) | The connection structure of tower machine equilibrium arm and slewing tower | |
| CN216042654U (en) | Template dismounting protection device | |
| CN215148743U (en) | Tool for taking out nut clamped in sleeve | |
| CN203003730U (en) | Clamping tool | |
| CN218400886U (en) | Efficient and labor-saving manhole cover mechanism | |
| CN204437403U (en) | A kind of control fuel tap adjusting sampling oil mass | |
| CN219950430U (en) | Hydraulic well lid opener with vibration | |
| CN208759069U (en) | A kind of special-shaped axis centre bore replacing clamp | |
| CN208276212U (en) | A kind of efficient nut drilling equipment | |
| CN201625955U (en) | Conical detacher for diesel engine parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |