CN220866932U - Hydropower station speed regulator main distributing valve overhauling tool - Google Patents
Hydropower station speed regulator main distributing valve overhauling tool Download PDFInfo
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- CN220866932U CN220866932U CN202322674460.XU CN202322674460U CN220866932U CN 220866932 U CN220866932 U CN 220866932U CN 202322674460 U CN202322674460 U CN 202322674460U CN 220866932 U CN220866932 U CN 220866932U
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- 238000004804 winding Methods 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims abstract description 40
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 241000288140 Gruiformes Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000124872 Grus grus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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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
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Abstract
A maintenance tool for a main pressure distribution valve of a hydropower station speed regulator belongs to the technical field of maintenance of the main pressure distribution valve, and comprises: the door-shaped frame is internally provided with a first installation cavity; the winding box is arranged on the door-shaped frame, and a second installation cavity communicated with the first installation cavity is arranged in the winding box; the rope winding unit is arranged in the second installation cavity; the lifting rope units are symmetrically arranged, one end of each lifting rope unit is connected with the corresponding rope winding unit, and the other end of each lifting rope unit penetrates through the first mounting cavity; the lifting rope clamps the lifting unit, and the lifting rope clamps the lifting unit and is arranged in the first installation cavity and used for clamping and lifting the lifting rope unit. The application has novel structure and strong practicability. The horizontal lifting mechanism and the vertical lifting mechanism realize the local small-stroke lifting and the long-distance large-stroke lifting of the main and auxiliary overhaul equipment, and meet the requirements of different inspection operation scenes.
Description
Technical Field
The utility model relates to the technical field of main pressure distribution valve overhaul, in particular to a main pressure distribution valve overhaul fixture for a hydropower station speed regulator.
Background
The upper end cover, the piston and the bushing of the main pressure distribution valve are required to be removed for maintenance of the main pressure distribution valve, and at present, the lifting of the upper end cover, the piston and the bushing is realized mainly by erecting a gantry crane above the main pressure distribution valve and hanging a chain block, and the gantry crane is high and has insufficient stability under the influence of the main pressure distribution size; in addition, with main distributing valve inner structure closely combines in upper end cover, piston and the bush, frictional force is big when initially lifting, consequently usually needs the manual work to stimulate it before the handling, makes it not hard up, and the rethread chain block stably promotes, and easy rocking, the security is poor and comparatively laborious when initially pulling.
Disclosure of utility model
The utility model aims to provide a main distributing valve overhauling tool for a hydropower station speed regulator, which aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A hydropower station speed regulator main pressure valve overhauls frock, includes: the door-shaped frame is internally provided with a first installation cavity; the winding box is arranged on the door-shaped frame, and a second installation cavity communicated with the first installation cavity is arranged in the winding box; the rope winding unit is arranged in the second installation cavity; the lifting rope units are symmetrically arranged, one end of each lifting rope unit is connected with the corresponding rope winding unit, and the other end of each lifting rope unit penetrates through the first mounting cavity; the lifting rope clamps the lifting unit, and the lifting rope clamps the lifting unit and is arranged in the first installation cavity and used for clamping and lifting the lifting rope unit.
In some embodiments, electromagnets are respectively arranged in the first mounting cavities at two sides of the door-shaped frame.
In some embodiments, the rope winding unit includes: the winding shaft is rotatably arranged in the first installation cavity, and one end of the winding shaft is connected with a winding motor arranged on the side wall of the winding box.
In some embodiments, the lift cord unit comprises: the lifting rope comprises a lifting rope, two guide wheels and a lifting hook, wherein one end of the lifting rope is fixed on a winding shaft, the two guide wheels are arranged at intervals and in a staggered mode, and the guide wheels of the two lifting rope units at high positions are arranged adjacently; the other end of the lifting rope sequentially bypasses the high-position guide wheel and the low-position guide wheel and then extends out of the first installation cavity to the middle of the door-shaped frame to be connected with the lifting hook.
In some embodiments, the lifting rope gripping lifting unit comprises: the lifting device comprises a lifting motor, a screw rod, a lifting plate, clamping rings and guide rods, wherein the lifting motor is arranged in a first installation cavity, the screw rod is vertically arranged and connected with the output end of the lifting motor, the guide rods are vertically arranged beside the screw rod, the lifting plate is connected to the screw rod through nuts in a threaded mode, the lifting plate is arranged on the guide rods in a sliding mode in a sleeved mode, the clamping rings are arranged at two ends of the lifting plate, and lifting ropes penetrate through the clamping rings.
In some embodiments, the rope reel unit further includes a wire assembly including: the guide motor, the guide motor is fixed on the rolling box, and the output of guide motor is connected with the driving gear, the both sides of driving gear mesh respectively and have driven gear, and driven gear of both sides is fixedly connected with installation axle respectively, the one end of installation axle rotates to be connected at the lateral wall of rolling box, and the other end of installation axle is connected with the cam, rotates on the cam to be connected with the connecting rod, and the other end of connecting rod rotates to be connected on the wire piece, wire piece sliding connection on the slide rail of level setting, and the lifting rope slides and runs through the wire piece sets up, the slide rail passes through the support and is on a parallel with the lateral wall setting of rolling box.
Compared with the prior art, the utility model has the following beneficial effects:
the application has novel structure and strong practicability. The horizontal lifting mechanism and the vertical lifting mechanism realize the local small-stroke lifting and the long-distance large-stroke lifting of the main and auxiliary overhaul equipment, and meet the requirements of different inspection operation scenes. Meanwhile, mirror symmetry reciprocating uniform winding of the lifting rope on the winding shaft is realized through the wire assembly, and the stress stability of the winding shaft in the winding process is ensured. The device also uses electromagnetic technology to achieve in situ positioning and securing of the device.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment.
Fig. 2 is a front view of an embodiment.
Fig. 3 is a schematic diagram of the internal structure of the embodiment.
Fig. 4 is a front view of a wire assembly in an embodiment.
Fig. 5 is a top view of a wire assembly in an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the preferred embodiments of the present application will be described in more detail with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or indirectly connected through intermediaries, for example, or may be in communication with each other between two elements or in an interaction relationship between the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship of the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or display.
Hereinafter, a hydraulic power station speed regulator main distributing valve maintenance tool according to an embodiment of the present application will be described in detail with reference to fig. 1 to 5. It is noted that the following examples are only for explaining the present application and are not to be construed as limiting the present application.
Example 1:
Referring to fig. 1-5, a hydropower station speed regulator main distributing valve overhauling tool comprises: the lifting device comprises a door-shaped frame, a winding box, a rope winding unit, a lifting rope unit and a lifting rope clamping lifting unit, wherein a first installation cavity is formed in the door-shaped frame; electromagnets are respectively arranged in the first installation cavities at the two sides of the door-shaped frame. The electromagnet is installed more conveniently, the door-shaped frame 1 is installed at the top of the main pressure distribution valve, and the electromagnet 9 is started to fix the door-shaped frame 1 on the main pressure distribution valve, so that the door-shaped frame 1 is fixed.
The winding box is arranged on the door-shaped frame, and a second installation cavity communicated with the first installation cavity is arranged in the winding box; the rope winding unit is arranged in the second installation cavity; two the lifting rope unit symmetry sets up, the rope unit includes: the winding shaft is rotatably arranged in the first installation cavity, and one end of the winding shaft is connected with a winding motor arranged on the side wall of the winding box.
The lift cord unit includes: the lifting rope comprises a lifting rope, two guide wheels and a lifting hook, wherein one end of the lifting rope is fixed on a winding shaft, the two guide wheels are arranged at intervals and in a staggered mode, and the guide wheels of the two lifting rope units at high positions are arranged adjacently; the two guide wheels are arranged at intervals and in a staggered mode, so that when the lifting rope is lifted, the lifting rope can be wound on the winding shaft 4 conveniently, and the winding shaft 4 can be uniformly wound on one section. The other end of the lifting rope sequentially bypasses the high-position guide wheel and the low-position guide wheel and then extends out of the first installation cavity to the middle of the door-shaped frame to be connected with the lifting hook.
In some embodiments, for a further implementation, the lift cords are uniformly wound on a section of the winding reel 4, the cord winding unit further comprising a wire assembly 5 comprising: the guide motor, the guide motor is fixed on the rolling box, and the output of guide motor is connected with the driving gear, the both sides of driving gear mesh respectively and have driven gear, and driven gear of both sides is fixedly connected with installation axle respectively, the one end of installation axle rotates to be connected at the lateral wall of rolling box, and the other end of installation axle is connected with the cam, rotates on the cam to be connected with the connecting rod, and the other end of connecting rod rotates to be connected on the wire piece, wire piece sliding connection on the slide rail of level setting, and the lifting rope slides and runs through the wire piece sets up, the slide rail passes through the support and is on a parallel with the lateral wall setting of rolling box.
The lifting rope clamping and lifting unit is arranged in the first installation cavity and used for clamping and lifting the lifting rope unit. The lifting rope clamping lifting unit includes: the lifting device comprises a lifting motor, a screw rod, a lifting plate, clamping rings and guide rods, wherein the lifting motor is arranged in a first installation cavity, the screw rod is vertically arranged and connected with the output end of the lifting motor, the guide rods are vertically arranged beside the screw rod, the lifting plate is connected to the screw rod through nuts in a threaded mode, the lifting plate is arranged on the guide rods in a sliding mode in a sleeved mode, the clamping rings are arranged at two ends of the lifting plate, and lifting ropes penetrate through the clamping rings.
Unreeling by the rope reeling unit, driving the reeling shaft 4 to rotate reversely by the reeling motor 3, unreeling the lifting rope 6, unreeling the lifting hook 8, and manually operating to connect the lifting hook 8 on the top hanging ring of the lifting part. The lifting hook 8 adopts a common crane lifting hook, a limiting piece is arranged at a notch of the lifting hook, the limiting piece can rotate inwards, the end part of the limiting piece is rotatably arranged, and a spring is connected between the limiting piece and the lifting hook 8 and used for resetting the limiting piece.
Starting the winding motor 3, driving the winding shaft 4 to rotate forward slowly by the winding motor 3, winding the lifting rope 6 slowly, pulling the lifting rope 6 to a tightening state integrally, stopping winding, manually rotating bolts on the clamping rings 13, clamping the lifting rope 6 by matching the end parts of the bolts with the inner walls of the clamping rings 13, and clamping the two lifting ropes 6 by the two clamping rings 13.
The lifting motor 14 is started, the lifting motor 14 drives the screw rod 11 to rotate, and as the guide rod 12 vertically penetrates through the lifting plate 10, the screw rod 11 drives the lifting plate 10 in threaded connection with the screw rod to move upwards, the lifting plate 10 pulls the lifting rope 6 to move upwards, and the lifting rope 6 is slowly lifted upwards, so that the part to be lifted is loosened.
After the part is loosened, the bolts on the clamping ring 13 are rotated to separate the clamping ring 13 from the lifting rope 6, and then the hoisting work of the part is performed.
In the lifting process of the part, the guide motor 23 drives the driving gear 15 to rotate, the driving gear 15 drives the driven gear 16 meshed with the driving gear 15 to rotate, the driven gear 16 drives the mounting shaft 17 to rotate, the mounting shaft 17 drives the cam 18 to rotate, the connecting rod 19 is pulled in the rotating process of the cam 18, the connecting rod 19 pulls the sliding block 21 to move on the sliding rail 20, along with the rotation of the cam 18, the sliding block 21 is enabled to reciprocate on the sliding rail 20, one end of the sliding block 21 penetrates through the sliding rail 20, the penetrating end of the sliding block 21 is connected with the wire block 22, and the wire block 22 pulls the lifting rope 6 to reciprocate along the sliding rail 20 in the moving process of the sliding block 21, so that the lifting rope 6 is uniformly wound on the winding shaft 4.
The driven gears 16 are symmetrically arranged on two sides of the driving gear 15, and the driven gears 16 are correspondingly arranged on the cam 18, the sliding blocks 21 and the sliding rails 20 on the mounting shaft 17 in a mirror symmetry manner along the driving gear 15, so that the two wire blocks 22 synchronously move relatively or separately, the two wire blocks 22 are in mirror symmetry along the driving gear 15, and symmetric winding is realized in the process of winding the lifting rope 6 by the winding shaft 4, so that the stability of the winding shaft 4 is improved.
The application is provided with two sets of driving mechanisms, so that the local small-stroke hoisting and long-distance large-stroke hoisting of hoisting equipment can be realized, and the requirements of different inspection operation scenes are met.
After the lifting ring at the top of the part is connected by adopting the lifting hook, the lifting rope is fixedly connected with the lifting plate through the clamping ring, the lifting plate moves upwards through the screw rod and the guide rod, and then the part is slowly pulled, so that the part is loose, and after the part is loose, the lifting rope is wound by the winding shaft, so that the lifting of the part is realized, the direct participation of staff is avoided, and the safety and the efficiency of the lifting process of the part are improved.
The wire assembly is used for wiring the lifting rope on the winding shaft, so that reciprocating wiring of the lifting rope can be realized, and uniform winding of the lifting rope can be realized.
The driven gears positioned on two sides of the driving gear are synchronously driven by the driving gear to rotate, and the two driven gears drive the cams, the connecting rods, the sliding rails and the sliding blocks which are arranged in a mirror image mode to move, so that two lifting ropes can relatively move and wire when uniformly wound, and the stability of stress of the winding shaft in the winding process is improved.
The bottom of the door-shaped frame is provided with an electromagnet, so that the bottom end fixed magnet of the door-shaped frame can be attracted to the top of the main pressure distribution valve, and the door-shaped frame is fixed.
The foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (6)
1. Hydropower station speed regulator owner distributing valve overhauls frock, its characterized in that includes:
The door-shaped frame is internally provided with a first installation cavity;
The winding box is arranged on the door-shaped frame, and a second installation cavity communicated with the first installation cavity is arranged in the winding box;
the rope winding unit is arranged in the second installation cavity;
The lifting rope units are symmetrically arranged, one end of each lifting rope unit is connected with the corresponding rope winding unit, and the other end of each lifting rope unit penetrates through the first mounting cavity;
the lifting rope clamps the lifting unit, and the lifting rope clamps the lifting unit and is arranged in the first installation cavity and used for clamping and lifting the lifting rope unit.
2. The hydropower station speed regulator main pressure distribution valve overhaul fixture according to claim 1, wherein electromagnets are respectively arranged in the first installation cavities at two sides of the door-shaped frame.
3. The hydropower station speed regulator main pressure valve overhaul fixture of claim 1, wherein the rope winding unit comprises: the winding shaft is rotatably arranged in the first installation cavity, and one end of the winding shaft is connected with a winding motor arranged on the side wall of the winding box.
4. A hydropower station speed regulator main distribution valve service fixture according to claim 3, wherein the lifting rope unit comprises: the lifting rope comprises a lifting rope, two guide wheels and a lifting hook, wherein one end of the lifting rope is fixed on a winding shaft, the two guide wheels are arranged at intervals and in a staggered mode, and the guide wheels of the two lifting rope units at high positions are arranged adjacently; the other end of the lifting rope sequentially bypasses the high-position guide wheel and the low-position guide wheel and then extends out of the first installation cavity to the middle of the door-shaped frame to be connected with the lifting hook.
5. The hydropower station speed regulator main pressure valve overhaul fixture of claim 4, wherein the lifting rope clamping lifting unit comprises: the lifting device comprises a lifting motor, a screw rod, a lifting plate, clamping rings and guide rods, wherein the lifting motor is arranged in a first installation cavity, the screw rod is vertically arranged and connected with the output end of the lifting motor, the guide rods are vertically arranged beside the screw rod, the lifting plate is connected to the screw rod through nuts in a threaded mode, the lifting plate is arranged on the guide rods in a sliding mode in a sleeved mode, the clamping rings are arranged at two ends of the lifting plate, and lifting ropes penetrate through the clamping rings.
6. The hydropower station speed regulator main pressure valve service fixture according to claim 4, wherein the rope winding unit further comprises a wire assembly, the wire assembly comprising: the guide motor, the guide motor is fixed on the rolling box, and the output of guide motor is connected with the driving gear, the both sides of driving gear mesh respectively and have driven gear, and driven gear of both sides is fixedly connected with installation axle respectively, the one end of installation axle rotates to be connected at the lateral wall of rolling box, and the other end of installation axle is connected with the cam, rotates on the cam to be connected with the connecting rod, and the other end of connecting rod rotates to be connected on the wire piece, wire piece sliding connection on the slide rail of level setting, and the lifting rope slides and runs through the wire piece sets up, the slide rail passes through the support and is on a parallel with the lateral wall setting of rolling box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322674460.XU CN220866932U (en) | 2023-10-07 | 2023-10-07 | Hydropower station speed regulator main distributing valve overhauling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322674460.XU CN220866932U (en) | 2023-10-07 | 2023-10-07 | Hydropower station speed regulator main distributing valve overhauling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220866932U true CN220866932U (en) | 2024-04-30 |
Family
ID=90812802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322674460.XU Active CN220866932U (en) | 2023-10-07 | 2023-10-07 | Hydropower station speed regulator main distributing valve overhauling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220866932U (en) |
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2023
- 2023-10-07 CN CN202322674460.XU patent/CN220866932U/en active Active
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