CN215804920U - Piston rod pulling tool for assembling rotating wheel of axial-flow type plug structure - Google Patents
Piston rod pulling tool for assembling rotating wheel of axial-flow type plug structure Download PDFInfo
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- CN215804920U CN215804920U CN202121672073.7U CN202121672073U CN215804920U CN 215804920 U CN215804920 U CN 215804920U CN 202121672073 U CN202121672073 U CN 202121672073U CN 215804920 U CN215804920 U CN 215804920U
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- piston rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a piston rod pulling tool for assembling an axial-flow plug-action structure rotating wheel, which comprises a jack and a connecting support frame, wherein the middle part of the connecting support frame is connected with a piston rod through a bolt, the jacks are respectively arranged between two ends of the connecting support frame and a piston cylinder body, and the end part of the piston rod is provided with a pulling lifting lug exposed out of the connecting support frame. The utility model can effectively solve the problems that after the installation of the large and medium-sized unit runner cover is finished, the hoisting weight is larger, the specification of available hoisting points is smaller and a plurality of hoisting ring screws need to be applied in a centralized way in the process of pulling the piston rod.
Description
Technical Field
The utility model relates to the technical field of fluid machinery and energy engineering equipment, in particular to a piston rod pulling tool for assembling an axial-flow plug-action structure rotating wheel.
Background
With the enhancement of energy conservation and environmental protection awareness of people, wind power generation, solar power generation and hydroelectric power generation which are clean energy sources are being vigorously developed. At present, hydroelectric power generation is also the main clean energy source, and in hydroelectric power generation, an axial flow hydraulic turbine is an important type.
In axial flow turbine stopper moves structure runner assembling process, for the blade installation with operate oil pipe butt joint convenient, and shake at whole in-process minimize vibration of lifting by crane, it is in the blade position of closing entirely to require during blade installation and after the installation usually. After the blade is installed, the blade is usually fastened by wedge-shaped plates at the water inlet and outlet sides and is firmly welded by spot welding.
In the blade installation process, a gantry crane and a manual hoist are generally adopted, or the mode that a main hook or an auxiliary hook of a factory building is adopted to hang a piston rod is adopted. However, when the number of the hoisting devices in the factory building is insufficient, it is difficult to ensure that the piston is in the fully closed position and hoist the blades at the same time. The requirement of runner installation can be met only by pulling up the piston rod and not occupying a special tool of a factory building hoisting device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a piston rod pulling tool for assembling an axial-flow plug-action structure rotating wheel, which can effectively solve the problems that after a rotating wheel cover of a large-medium unit is installed, in the process of pulling a piston rod, the lifting weight is large, the available lifting point specification is small, and a plurality of lifting bolts need to be applied in a centralized mode.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an axial-flow plug moves piston rod instrument of pulling up for structure runner assembly, includes jack, joint support frame, the middle part and the piston rod of joint support frame pass through bolted connection, are equipped with respectively between the both ends of joint support frame and piston cylinder body jack, be equipped with the lug that pulls up that exposes in the joint support frame at the piston rod tip.
When the piston rod needs to be pulled up, the middle part of the connecting support frame can be connected with the end part of the piston rod through a bolt, then the two ends of the connecting support frame are upwards jacked by a jack, and the piston rod can be pulled up through the connecting support frame. It will be appreciated that the jack can be conveniently adjusted to any height required for upward jacking to ensure that the piston rod is uppermost and thus the vanes are in a fully closed position.
In particular, the utility model is provided with a lifting lug exposed out of the connecting support frame at the end part of the piston rod, so that in the initial stage of the piston rod basically contracting in the piston rod body, a lifting device can be even adopted to slowly lift the piston rod by a certain height through the lifting lug, so that the jack can be supported between the piston cylinder body and the connecting support frame, and at the moment, the lifting device can be removed and the jack is used for upwards lifting the piston rod.
Preferably, the connection support frame comprises two long support bars and two short support bars, so that the connection support frame is of a rectangular frame structure, a support plate is connected between the two long support bars, the support plate is connected with the end part of the piston rod through a bolt, and the jack is arranged between the short support bars and the piston cylinder body.
The connecting support rod of the rectangular frame structure can be made of channel steel in a welded mode, machining is convenient, and sufficient strength is achieved.
In particular, the support plate arranged between the two long support strips is conveniently connected with the end part of the piston rod through a bolt.
Preferably, the lifting lug is vertically disposed on the support plate.
The lifting lugs can be vertically welded on the supporting plate, namely, when the piston rod needs to be lifted, the connecting supporting frame is connected with the end part of the piston rod through the bolts, and the lifting lugs are naturally exposed out of the connecting supporting frame, so that the piston rod is conveniently and slowly lifted through the hoisting equipment. Meanwhile, the quick connection between the connecting support frame and the end part of the piston rod is facilitated.
Preferably, the end part of the piston rod is connected with a supporting plate through a bolt, the pulling lifting lug is vertically arranged on the supporting plate, the connecting support frame comprises a left frame and a right frame which are inclined upwards, a transverse support frame is connected between the outer ends of the left frame and the right frame, so that the connecting support frame is in an isosceles triangle shape, a bolt inserted in the pulling lifting lug is arranged at the joint of the left frame and the right frame, and the jacks are respectively arranged between the outer ends of the left frame and the right frame and the piston cylinder body.
In this scheme, joint support frame is designed into isosceles triangle shape to can form the clearance that holds the jack between the both ends that make joint support frame and the piston cylinder body. That is, it is not necessary to partially pull up the piston rod with the lifting device first, thereby facilitating the operation.
In particular, the support plate provided with the pulling lug is separated from the connecting support frame, and the middle part of the connecting support frame is rotatably connected with the pulling lug (namely the end part of the piston rod) through a bolt. Therefore, even if the jacks at the two ends of the connecting support frame cannot be synchronously jacked up, the acting force of the jacks only forms an upward resultant force, and a torque cannot be formed on the end part of the piston rod through the connecting support frame, so that the piston rod is ensured to be smoothly pulled up.
That is to say, this scheme can avoid effectively because of the left and right sides jack action not synchronous to the adverse effect that the piston rod pulled up caused.
Therefore, the utility model has the following beneficial effects: the problems that after the large and medium-sized unit rotating wheel cover is installed, in the process of pulling the piston rod, the lifting weight is large, the available lifting point specification is small, and a plurality of lifting ring screws need to be applied in a centralized mode can be effectively solved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is another schematic structure of the present invention.
In the figure: 1. the lifting jack comprises a jack 2, a connecting support frame 21, a long support strip 22, a short support strip 23, a left frame 24, a right frame 25, a transverse support frame 3, a piston rod 4, a pulling lifting lug 5, a support plate 6 and a bolt.
Detailed Description
The utility model is further described with reference to the following detailed description and accompanying drawings.
As shown in fig. 1 and 2, a piston rod pulling tool for assembling an axial flow type plug-moving structure runner is suitable for pulling up a piston rod during the assembling process of the axial flow type water turbine plug-moving structure runner so as to make blades reliably stay at a full-closed position. The lifting jack comprises a lifting jack 1 and a connecting support frame 2, wherein the middle part of the connecting support frame is connected with a piston rod 3 through a bolt so as to be convenient to disassemble and assemble, the lifting jack is arranged between the two ends of the connecting support frame and a piston cylinder body, and a lifting lug 4 exposed out of the connecting support frame is arranged at the end part of the piston rod.
When the piston rod needs to be pulled up, the middle part of the connecting support frame can be connected with the end part of the piston rod through a bolt, then the two ends of the connecting support frame are upwards jacked by a jack, and the piston rod can be pulled up through the connecting support frame. It will be appreciated that the jack can be conveniently adjusted to any height required for upward jacking to ensure that the piston rod is uppermost and thus the vanes are in a fully closed position.
In order to enable a certain gap to be formed between the two ends of the connecting support frame and the piston cylinder body so as to accommodate the jack, the end part of the piston rod is provided with the pulling lifting lug exposed out of the connecting support frame, so that in the initial stage that the piston rod is basically contracted in the piston rod body, the lifting equipment can be adopted to slowly pull up the piston rod by a certain height through the pulling lifting lug, so that the jack can be supported between the piston cylinder body and the connecting support frame, and at the moment, the lifting equipment can be removed to pull up the piston rod by the jack.
It should be noted that, since the axial flow hydraulic turbine and the process of assembling the runner of the axial flow hydraulic turbine stopper structure are in the prior art, detailed description is not provided in this embodiment.
Preferably, the connecting support frame comprises two long support bars 21 parallel to each other and two short support bars 22 parallel to each other, so that the connecting support frame has a rectangular frame structure. In addition, a support plate 5 is connected between the two long support bars, the support plate is connected with the end of the piston rod through a bolt, and a jack is arranged between the short support bar and the piston cylinder. Of course, the support plate is arranged in the middle of the long support bar, and the connecting support bar of the rectangular frame structure can be made of channel steel in a welded mode, so that the rectangular frame structure is convenient to process and has enough strength.
Further, the pulling-up lug is vertically disposed at a middle position of an upper side of the support plate. When the piston rod needs to be pulled up, the connecting support frame is connected with the end part of the piston rod through the bolt, and the pulling lifting lug is naturally exposed out of the connecting support frame, so that the piston rod is conveniently and slowly pulled up through the hoisting equipment. Meanwhile, the quick connection between the connecting support frame and the end part of the piston rod is facilitated.
It should be noted that, a plurality of bolt through holes uniformly distributed around the pulling-up lifting lug may be disposed on the supporting plate, and a bolt in threaded connection with the piston rod may be disposed in the bolt through hole.
As an alternative to the above technical solution, as shown in fig. 3, the end of the piston rod is connected with a supporting plate through a bolt, the lifting lug is vertically arranged at the middle position of the supporting plate, the connecting support frame comprises a left frame 23 and a right frame 24 which are inclined upwards, a transverse support frame 25 is connected between the outer ends of the left frame and the right frame, so that the connecting support frame is in an isosceles triangle shape, a bolt 6 inserted in the lifting lug is arranged at the joint of the left frame and the right frame, and the jacks are respectively arranged between the outer ends of the left frame and the right frame and the piston cylinder body.
In this scheme, joint support frame is designed into isosceles triangle shape to can form the clearance that holds the jack between the both ends that make joint support frame and the piston cylinder body. That is, at this time, the piston rod can be directly jacked up by the jack without partially pulling up the piston rod by the hoisting equipment, so that the operation is convenient.
In particular, the support plate provided with the pulling lug is separated from the connecting support frame, and the middle part of the connecting support frame is rotatably connected with the pulling lug (namely the end part of the piston rod) through a bolt. Therefore, even if the jacks at the two ends of the connecting support frame cannot be synchronously jacked up, the acting force of the jacks only forms an upward resultant force, and a torque cannot be formed on the end part of the piston rod through the connecting support frame, so that the piston rod is ensured to be smoothly pulled up.
That is to say, this scheme can avoid effectively because of the left and right sides jack action not synchronous to the adverse effect that the piston rod pulled up caused.
Claims (4)
1. The utility model provides an axial-flow plug moves piston rod instrument of pulling up for structure runner assembly, characterized by includes jack, joint support frame, the middle part and the piston rod of joint support frame pass through bolted connection, are equipped with respectively between the both ends of joint support frame and piston cylinder body the jack, be equipped with the lug of pulling up that exposes in the joint support frame at piston rod tip.
2. The piston rod pulling tool for assembling the axial-flow type plug-action structure rotating wheel according to claim 1, wherein the connecting support frame comprises two long support bars and two short support bars, so that the connecting support frame is in a rectangular frame structure, the support plate is connected between the two long support bars and is connected with the end part of the piston rod through a bolt, and the jack is arranged between the short support bars and the piston cylinder body.
3. The piston rod pulling tool for the assembly of the axial-flow plug-action structure rotating wheel according to claim 2, wherein the pulling lug is vertically arranged on the supporting plate.
4. The piston rod lifting tool for assembling the axial-flow plug-action structure rotating wheel according to claim 1, wherein the end of the piston rod is connected with a supporting plate through a bolt, the lifting lug is vertically arranged on the supporting plate, the connecting support frame comprises a left frame and a right frame which are inclined upwards, a transverse support frame is connected between the outer ends of the left frame and the right frame, so that the connecting support frame is in an isosceles triangle shape, a bolt inserted into the lifting lug is arranged at the joint of the left frame and the right frame, and the jacks are respectively arranged between the outer ends of the left frame and the right frame and the piston cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672073.7U CN215804920U (en) | 2021-07-22 | 2021-07-22 | Piston rod pulling tool for assembling rotating wheel of axial-flow type plug structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672073.7U CN215804920U (en) | 2021-07-22 | 2021-07-22 | Piston rod pulling tool for assembling rotating wheel of axial-flow type plug structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215804920U true CN215804920U (en) | 2022-02-11 |
Family
ID=80183628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121672073.7U Active CN215804920U (en) | 2021-07-22 | 2021-07-22 | Piston rod pulling tool for assembling rotating wheel of axial-flow type plug structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804920U (en) |
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2021
- 2021-07-22 CN CN202121672073.7U patent/CN215804920U/en active Active
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