CN214944680U - Hydropower station main shaft measuring element mounting device - Google Patents
Hydropower station main shaft measuring element mounting device Download PDFInfo
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- CN214944680U CN214944680U CN202121399024.0U CN202121399024U CN214944680U CN 214944680 U CN214944680 U CN 214944680U CN 202121399024 U CN202121399024 U CN 202121399024U CN 214944680 U CN214944680 U CN 214944680U
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- fine adjustment
- measuring element
- base
- sliding block
- mounting
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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 hydropower station main shaft measuring element mounting device, which comprises a base, a fine adjustment slide block used for fine adjustment of the mounting position of the measuring element and a rough adjustment slide block used for rough adjustment of the mounting position of the measuring element; the base is arranged close to the main shaft; the fine adjustment sliding block is slidably arranged on the base; a plurality of clamping grooves are formed in the fine adjustment sliding block; the coarse adjustment sliding block is provided with a clamping block which is used for being clamped with one clamping groove, the fine adjustment sliding block is fixedly connected with the coarse adjustment sliding block, and the measuring element is fixedly arranged on the coarse adjustment sliding block. The measuring element can be disassembled and assembled only by disassembling and assembling the coarse adjusting slide block, the fixing nut of the measuring element does not need to be loosened and tightened frequently, and the service life of the measuring element is prolonged; the fine adjustment sliding block has a large stroke, and after the measurement element is moved to a safe position through the fine adjustment sliding block, the fault measurement element can be checked in the running process of the unit, the unit shutdown time is shortened, and the power generation benefit of a power station is ensured.
Description
Technical Field
The utility model relates to a hydraulic generator measuring element installs technical field, especially relates to a power station main shaft measuring element installation device.
Background
The hydropower station unit needs to be provided with measuring elements such as a key phase sensor, a swing sensor and the like, and is used for monitoring the mechanical rotating speed of the unit and the swing of each part. The conventional sensor is generally mounted by welding an iron block with an opening at the mounting position and fixing the sensor thereon by using a nut.
The existing installation mode exposes a plurality of defects in the use process and mainly has the following problems:
1. the measuring element precision is very high, and is difficult to fix the measuring element in place once only in the nut tightening process, and the nut needs to be loosened and tightened repeatedly for many times. Meanwhile, due to the requirement of maintenance work, the measuring element is frequently required to be disassembled and assembled, so that the situation that the threads of the measuring element body are deformed and slid is caused.
2. Because the position of the existing sensor cannot be changed and is close to the measured rotating part, the sensor can be disassembled and replaced only in a stop state when the measuring element fails; the hydropower station unit has few chances of shutting down in the flood season, if the measuring element fails, the hydropower station unit cannot have a replacement condition, the mechanical rotating speed or the large shaft throw of the hydropower station unit cannot be correctly monitored, and the hydropower station unit is not beneficial to safe and stable operation.
Therefore, it is necessary to develop a mounting device for a measurement element of a main shaft of a hydropower station to solve the above problems.
Disclosure of Invention
The utility model aims at solving the problem that a hydropower station main shaft measuring element installation device is designed.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
power station main shaft measuring element installation device includes:
a base; the base is arranged close to the main shaft;
a fine adjustment slide block for fine adjusting the installation position of the measuring element; the fine adjustment sliding block is slidably arranged on the base; a plurality of clamping grooves are formed in the fine adjustment sliding block;
a coarse adjustment slider for coarse adjustment of the mounting position of the measurement element; the coarse adjustment sliding block is provided with a clamping block which is used for being clamped with one clamping groove, the fine adjustment sliding block is fixedly connected with the coarse adjustment sliding block, and the measuring element is fixedly arranged on the coarse adjustment sliding block.
Specifically, a fine adjustment bolt is arranged at the bottom of the fine adjustment sliding block, a rotatable fine adjustment screw sleeve is installed in the base, the fine adjustment bolt is in threaded connection with the fine adjustment screw sleeve, the fine adjustment sliding block is further in limit connection with the base in a first plane, the fine adjustment sliding block is in slidable connection with the base in the first direction, and the first direction is perpendicular to the first plane.
Specifically, a first concave sliding groove is formed in the base, a second sliding groove is formed in the bottom of the first sliding groove in a concave mode, a first through hole is further formed in the base, the first end of the first through hole is connected with one end of the second sliding groove, the second end of the first through hole is formed in the first end of the base, and the arrangement directions of the first sliding groove, the second sliding groove and the first through hole are all in the first direction; the bottom of fine setting slider is provided with the third mounting panel, is provided with the fourth mounting panel in the bottom of third mounting panel, and the one end of fine setting bolt and the one end fixed connection of fourth mounting panel, third mounting panel slidable install in first spout, and fourth mounting panel slidable installs in the second spout, and the rotatable installation of fine setting swivel nut is in first through-hole.
Further, the mounting device further comprises a buckle and a plurality of buckle fixing bolts, a groove is formed in the first end of the base and communicated with the first through hole, and the buckle is fixedly mounted in the groove through the buckle fixing bolts and used for limiting the blocking gear of the fine adjustment screw sleeve in the first direction.
Specifically, the mounting device further comprises a plurality of fine adjustment sliding block fixing bolts, a plurality of fourth sliding grooves are formed in the third mounting plate, the fourth sliding grooves are long in strip shape, the length direction of the fourth sliding grooves is the first direction, a plurality of first screw holes are formed in the bottom of the first sliding grooves, one fine adjustment sliding block fixing bolt correspondingly penetrates one fourth sliding groove and then is screwed into one first screw hole, and the head portion of each fine adjustment sliding block fixing bolt and the base are used for clamping the third mounting plate.
Specifically, be provided with the second mounting panel on the fine setting slider, second mounting panel level sets up, and a plurality of draw-in grooves are seted up on the second mounting panel, a plurality of draw-in groove parallel arrangement, and the array orientation of a plurality of draw-in grooves is first direction.
Specifically, the mounting device further comprises a coarse adjustment sliding block fixing bolt, a third sliding groove is formed in one side edge of the coarse adjustment sliding block, a fifth sliding groove is formed in the bottom of the third sliding groove and communicated with the fifth sliding groove, a first mounting plate is arranged at the top of the fine adjustment sliding block, a third screw hole is formed in the first mounting plate in the transverse direction, the first mounting plate is arranged in the third sliding groove, and the coarse adjustment sliding block fixing bolt correspondingly penetrates through the fifth sliding groove and then is screwed into the third screw hole.
Furthermore, a fifth mounting plate is arranged at one end of the coarse adjustment sliding block, a mounting hole is formed in the fifth mounting plate, and the measuring element penetrates through the mounting hole through a bolt assembly and then is mounted on the fifth mounting plate.
The beneficial effects of the utility model reside in that:
1. the dismounting and mounting of the measuring element only needs to dismount and mount the coarse adjusting sliding block, the fixing nut of the measuring element does not need to be loosened and tightened frequently, and the service life of the measuring element is prolonged.
2. The fine adjustment sliding block has a large stroke, and after the measurement element is moved to a safe position through the fine adjustment sliding block, the fault measurement element can be checked in the running process of the unit, the unit shutdown time is shortened, and the power generation benefit of a power station is ensured.
Drawings
FIG. 1 is a schematic view of the assembled structure of the present application;
FIG. 2 is a schematic illustration of a split structure of the present application;
FIG. 3 is a schematic structural diagram of a vernier slider according to the present application;
FIG. 4 is a schematic diagram of a coarse adjustment slider according to the present application;
wherein, 1, the base; 12. a first chute; 13. a second chute; 14. a first through hole; 2. finely adjusting the sliding block; 21. a first mounting plate; 22. a second mounting plate; 23. a card slot; 24. a third mounting plate; 25. a fourth mounting plate; 3. roughly adjusting the sliding block; 31. a clamping block; 32. a third chute; 33. a fifth mounting plate; 34. mounting holes; 4. fine-tuning the bolt; 41. fine adjustment of a threaded sleeve; 5. buckling; 6. fastening a fixing bolt; 7. finely adjusting a slide block fixing bolt; 71. a first screw hole; 72. a fourth chute; 8. a base fixing bolt; 81. a second screw hole; 9. roughly adjusting a slide block fixing bolt; 91. a fifth chute; 92. and a third screw hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 4, a hydroelectric power station main shaft measuring element mounting apparatus includes:
a base 1; the base 1 is arranged close to the main shaft;
a fine adjustment slide block 2 for fine adjusting the installation position of the measuring element; the fine adjustment sliding block 2 can be arranged on the base 1 in a sliding way; a plurality of clamping grooves 23 are formed in the fine adjustment sliding block 2;
a rough adjusting slide block 3 for roughly adjusting the installation position of the measuring element; a clamping block 31 is arranged on the rough adjusting slide block 3, the clamping block 31 is used for being clamped with one clamping groove 23, the fine adjusting slide block 2 is fixedly connected with the rough adjusting slide block 3, and the measuring element is fixedly arranged on the rough adjusting slide block 3.
As shown in fig. 1 and 2, a fine adjustment bolt 4 is arranged at the bottom of a fine adjustment slider 2, a rotatable fine adjustment screw sleeve 41 is installed in a base 1, the fine adjustment bolt 4 is in threaded connection with the fine adjustment screw sleeve 41, the fine adjustment slider 2 is also in limit connection with the base 1 in a first plane, the fine adjustment slider 2 is in slidable connection with the base 1 in a first direction, and the first direction is perpendicular to the first plane.
A knife changing edge is arranged at one end of the fine adjustment screw sleeve 41 and is used for rotating the fine adjustment screw sleeve 41 in cooperation with a knife changing;
as shown in fig. 1 and 2, a first concave chute 12 is arranged on a base 1, a second chute 13 is arranged at the bottom of the first chute 12, a first through hole 14 is further arranged in the base 1, a first end of the first through hole 14 is connected with one end of the second chute 13, a second end of the first through hole is arranged at the first end of the base 1, and the arrangement directions of the first chute 12, the second chute 13 and the first through hole 14 are all a first direction; the bottom of fine setting slider 2 is provided with third mounting panel 24, is provided with fourth mounting panel 25 in the bottom of third mounting panel 24, and the one end of fine setting bolt 4 and the one end fixed connection of fourth mounting panel 25, third mounting panel 24 slidable install in first spout 12, and fourth mounting panel 25 slidable installs in second spout 13, and the rotatable installation of fine setting swivel nut 41 is in first through-hole 14.
The lengths of the first sliding chute 12 and the second sliding chute 13 are set according to the adjustment length range of the fine adjustment slider 2, the lengths of the first sliding chute 12 and the second sliding chute 13 are the same, and generally, the length of the first sliding chute 12 and the length of the second sliding chute 13 minus the lengths of the corresponding third mounting plate 24 and the fourth mounting plate 25 are still larger than the adjustment length range of the fine adjustment slider 2.
As shown in fig. 1 and 2, the mounting device further includes a buckle 5 and a plurality of buckle fixing bolts 6, a first end of the base 1 is provided with a groove, the groove is communicated with the first through hole 14, the buckle 5 is fixedly mounted in the groove through the plurality of buckle fixing bolts 6, and is used for limiting the position of the fine tuning screw sleeve 41 in the first direction. The shape of the buckle 5 is annular, and the screwdriver opening on the fine adjustment screw sleeve 41 is not shielded, but the edge of the fine adjustment screw sleeve 41 is blocked and limited.
As shown in fig. 1 to 3, the mounting device further includes a plurality of fine-tuning slider fixing bolts 7, two fourth sliding grooves 72 are disposed on the third mounting plate 24, the two fourth sliding grooves 72 are respectively disposed near two opposite sides of the third mounting plate 24, the fourth sliding grooves 72 are in a strip shape, the length direction of the fourth sliding grooves 72 is a first direction, two first screw holes 71 are disposed at the bottom of the first sliding groove 12, one fine-tuning slider fixing bolt 7 correspondingly penetrates one fourth sliding groove 72 and then is screwed into one first screw hole 71, and the head of the fine-tuning slider fixing bolt 7 and the base 1 are used for clamping the position of the third mounting plate 24. The length of the fourth sliding slot 72 is set according to the adjusting length range of the fine adjustment slider 2, and generally, the length of the fourth sliding slot 72 is larger than the adjusting length range of the fine adjustment slider 2.
As shown in fig. 1 to 3, a second mounting plate 22 is disposed on the fine adjustment slider 2, the second mounting plate 22 is disposed horizontally, three slots 23 are disposed on the second mounting plate 22, the three slots 23 are disposed in parallel, and the arrangement direction of the three slots 23 is the first direction. The number of card slots 23 and the distance between the card slots 23 are determined according to the coarse adjustment requirement of the measuring element, and generally, the total length of the plurality of card slots 23 is larger than the coarse adjustment length range of the measuring element.
As shown in fig. 1-2, the mounting device further includes a rough-adjusting slider fixing bolt 9, a third sliding slot 32 is formed in one side of the rough-adjusting slider 3, a fifth sliding slot 91 is further formed in the bottom of the third sliding slot 32, the third sliding slot 32 is communicated with the fifth sliding slot 91, a first mounting plate 21 is arranged on the top of the fine-adjusting slider 2, a third screw hole is transversely formed in the first mounting plate 21, the first mounting plate 21 is placed in the third sliding slot 32, and the rough-adjusting slider fixing bolt 9 correspondingly penetrates through the fifth sliding slot 91 and then is screwed into the third screw hole 92.
As shown in fig. 2, a fifth mounting plate 33 is provided on one end of the rough adjusting slider 3, a mounting hole 34 is provided on the fifth mounting plate 33, and the measuring element is mounted on the fifth mounting plate 33 after passing through the mounting hole 34 by a bolt assembly.
As shown in fig. 1-2, the mounting device further includes four base fixing bolts 8, four second screw holes 81 are vertically formed at four corners of the base 1, four fourth screw holes corresponding to the four second screw holes 81 are correspondingly formed at the mounting position, and the base fixing bolts 8 are screwed into the fourth screw holes after being screwed into the second screw holes 81 of the base 1, so as to fix the position of the base 1.
The method and the device have two adjusting modes of coarse adjustment and fine adjustment. The fine adjustment bolt 4 is connected with the fine adjustment screw sleeve 41 through high-precision threads, and the fine adjustment bolt 4 is connected with the fine adjustment sliding block 2; the mounting position of the measuring element can be roughly adjusted through the rough adjusting slide block 3, and then the precise position of the measuring element is adjusted through the fine adjusting slide block 2 by adopting the principle of spiral amplification.
The installation steps of the method are as follows:
1. firstly, a base 1 is installed and fixed at a position close to measurement through a base fixing bolt 8;
2. the fourth mounting plate 25 is slidably arranged in the second sliding groove 13, the third mounting plate 24 is slidably arranged in the first sliding groove 12, the fine tuning bolt 4 is inserted from the inner side of the first through hole 14, the fine tuning screw sleeve 41 is screwed into the base from the outer side of the first through hole 14, and the fine tuning bolt 4 is in threaded connection with the fine tuning screw sleeve 41; then, the buckle 5 is installed on the outer side of the first through hole 14 through the plurality of buckle fixing bolts 6, two ends of the fine adjustment screw sleeve 41 are limited, and the fine adjustment screw sleeve 41 can only rotate in the circumferential direction;
3. mounting a measuring element on the coarse adjustment slide 3;
4. clamping the clamping block 31 with the clamping groove 23 at the proper position, and fixing the positions of the rough adjusting slide block 3 and the fine adjusting slide block 2;
5. and then the fine adjustment screw sleeve 41 is rotated by a tool, so that the position of the fine adjustment slide block 2 can be adjusted, the coarse adjustment slide block 3 is driven to move, and the measuring element is enabled to be at a proper position away from the large shaft.
6. And then the fine adjustment slide block fixing bolt 7 is screwed, so that the position of the fine adjustment slide block 2 is fixed, and finally the position of the measuring element is fixed.
The steps when the measuring element needs to be replaced or repaired are as follows:
1. the fine adjustment screw sleeve 41 is rotated through a tool, and the distance between the measuring element and the main shaft is pulled;
2. and (3) screwing out the coarse adjustment slide block fixing bolt 9, opening the connection between the coarse adjustment slide block 3 and the fine adjustment slide block 2, and then taking away the coarse adjustment slide block 3 and the measuring element.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (8)
1. Power station main shaft measuring element installation device, its characterized in that includes:
a base; the base is arranged close to the main shaft;
a fine adjustment slide block for fine adjusting the installation position of the measuring element; the fine adjustment sliding block is slidably arranged on the base; a plurality of clamping grooves are formed in the fine adjustment sliding block;
a coarse adjustment slider for coarse adjustment of the mounting position of the measurement element; the coarse adjustment sliding block is provided with a clamping block which is used for being clamped with one clamping groove, the fine adjustment sliding block is fixedly connected with the coarse adjustment sliding block, and the measuring element is fixedly arranged on the coarse adjustment sliding block.
2. The installation device for the measurement element of the main shaft of the hydropower station according to claim 1, wherein a fine adjustment bolt is arranged at the bottom of the fine adjustment slide block, a rotatable fine adjustment screw sleeve is installed in the base, the fine adjustment bolt is in threaded connection with the fine adjustment screw sleeve, the fine adjustment slide block is in limit connection with the base in a first plane, the fine adjustment slide block is in slidable connection with the base in a first direction, and the first direction is perpendicular to the first plane.
3. The installation device for the measurement element of the main shaft of the hydropower station according to claim 2, wherein a first concave chute is arranged on the base, a second concave chute is arranged at the bottom of the first chute, a first through hole is further arranged in the base, a first end of the first through hole is connected with one end of the second chute, a second end of the second through hole is arranged at the first end of the base, and the arrangement directions of the first chute, the second chute and the first through hole are all the first direction; the bottom of fine setting slider is provided with the third mounting panel, is provided with the fourth mounting panel in the bottom of third mounting panel, and the one end of fine setting bolt and the one end fixed connection of fourth mounting panel, third mounting panel slidable install in first spout, and fourth mounting panel slidable installs in the second spout, and the rotatable installation of fine setting swivel nut is in first through-hole.
4. The installation device for the measurement element of the main shaft of the hydropower station according to claim 3, further comprising a buckle and a plurality of buckle fixing bolts, wherein a groove is formed in the first end of the base, the groove is communicated with the first through hole, and the buckle is fixedly installed in the groove through the plurality of buckle fixing bolts and is used for limiting a blocking position of the fine adjustment screw sleeve in the first direction.
5. The installation apparatus of claim 3, further comprising a plurality of fine adjustment slider fixing bolts, wherein a plurality of fourth sliding grooves are formed on the third installation plate, the fourth sliding grooves are elongated, the length direction of the fourth sliding grooves is the first direction, a plurality of first screw holes are formed at the bottom of the first sliding grooves, a fine adjustment slider fixing bolt correspondingly penetrates one fourth sliding groove and then is screwed into one first screw hole, and the head and the base of the fine adjustment slider fixing bolt are used for clamping the third installation plate.
6. The installation device for the measurement element of the main shaft of the hydropower station according to claim 2, wherein the fine adjustment slider is provided with a second installation plate, the second installation plate is horizontally arranged, a plurality of clamping grooves are formed in the second installation plate, the plurality of clamping grooves are arranged in parallel, and the arrangement direction of the plurality of clamping grooves is the first direction.
7. The hydropower station main shaft measuring element mounting device according to claim 6, wherein the mounting device further comprises a coarse adjustment slider fixing bolt, a third sliding groove is formed in one side edge of the coarse adjustment slider, a fifth sliding groove is further formed in the bottom of the third sliding groove, the third sliding groove is communicated with the fifth sliding groove, a first mounting plate is arranged at the top of the fine adjustment slider, a third screw hole is formed in the first mounting plate in the transverse direction, the first mounting plate is arranged in the third sliding groove, and the coarse adjustment slider fixing bolt correspondingly penetrates through the fifth sliding groove and then is screwed into the third screw hole.
8. The hydropower station main shaft measuring element mounting device according to claim 1, wherein a fifth mounting plate is provided on one end of the coarse adjustment slider, a mounting hole is provided on the fifth mounting plate, and the measuring element is mounted on the fifth mounting plate after passing through the mounting hole by a bolt assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121399024.0U CN214944680U (en) | 2021-06-23 | 2021-06-23 | Hydropower station main shaft measuring element mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121399024.0U CN214944680U (en) | 2021-06-23 | 2021-06-23 | Hydropower station main shaft measuring element mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944680U true CN214944680U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121399024.0U Active CN214944680U (en) | 2021-06-23 | 2021-06-23 | Hydropower station main shaft measuring element mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214944680U (en) |
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2021
- 2021-06-23 CN CN202121399024.0U patent/CN214944680U/en active Active
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