CN210524917U - Water inlet ball valve concentricity positioning device - Google Patents
Water inlet ball valve concentricity positioning device Download PDFInfo
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- CN210524917U CN210524917U CN201921566269.0U CN201921566269U CN210524917U CN 210524917 U CN210524917 U CN 210524917U CN 201921566269 U CN201921566269 U CN 201921566269U CN 210524917 U CN210524917 U CN 210524917U
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- hole
- ball valve
- water inlet
- plane flange
- inlet ball
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a water inlet ball valve concentricity positioning device, which comprises a lower plane flange and an upper plane flange, wherein a support plate is arranged between the lower plane flange and the upper plane flange, and a reinforcing rib is arranged outside the support plate; the middle part of the upper plane flange is provided with a through hole, and the upper end of the through hole is provided with a spigot step positioned on the upper surface of the upper plane flange; the middle part of the lower plane flange is provided with a clamping hole corresponding to the through hole; the diameter of the through hole is larger than that of the clamping hole, and the diameter of the clamping hole corresponds to that of the water inlet ball valve pivot. The utility model has the characteristics of can effectively improve valve body and valve stability fixed between the two.
Description
Technical Field
The utility model relates to a ball valve of intaking overhauls and uses frock, especially a ball valve concentricity positioner of intaking.
Background
The water inlet ball valve of the water turbine is mainly used at a water inlet of a water turbine volute of a hydropower station or used for controlling the turn-off and turn-on of water flow in a water supply network, and is one of important devices for ensuring the daily operation of the water turbine and a power generation set in the hydropower station. After the water inlet ball valve is used for a certain period, the pivot and the valve of the water inlet ball valve can be abraded or corroded in different degrees, pivot turning or reaming of the pivot bearing hole of the valve body is possibly needed, and the valve shaft are nested in the valve body because the ball valve body adopts an integral welding structure, if pivot turning or reaming of the pivot bearing hole of the valve body is needed, the valve body and the valve are fixed relatively, and the central lines of the valve body and the valve are ensured to be coincident. However, for a large ball valve with a diameter of about 2m, if the valve body and the valve are fixed by using the conventional fixing method, the valve body and the valve may move, so that the center lines of the valve body and the valve may have a certain deviation, thereby affecting subsequent processing and maintenance. Therefore, the prior art has a problem that both the valve body and the shutter are easily displaced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ball valve concentricity positioner intakes. The utility model has the characteristics of can effectively improve valve body and valve stability fixed between the two.
The technical scheme of the utility model: the concentricity positioning device of the water inlet ball valve comprises a lower plane flange and an upper plane flange, wherein a supporting plate is arranged between the lower plane flange and the upper plane flange, and reinforcing ribs are arranged on the outer side of the supporting plate; the middle part of the upper plane flange is provided with a through hole, and the upper end of the through hole is provided with a spigot step positioned on the upper surface of the upper plane flange; the middle part of the lower plane flange is provided with a clamping hole corresponding to the through hole; the diameter of the through hole is larger than that of the clamping hole, and the diameter of the clamping hole corresponds to that of the water inlet ball valve pivot.
In the foregoing water inlet ball valve concentricity positioning device, the opening step is provided with a set of uniformly distributed circulation holes, the circulation holes are internally provided with movable rods, two ends of each movable rod are provided with fixed plates located on the inner side and the outer side of the opening step, the outer side wall of each fixed plate is provided with a rubber pad, and an adjusting spring sleeved on each movable rod is arranged between each fixed plate and the opening step.
In the water inlet ball valve concentricity positioning device, a buffer spring is further arranged between the rubber pad and the fixing plate.
In the above water inlet ball valve concentricity positioning device, an inclined guide surface is arranged at the upper end of the rubber pad.
In the foregoing water inlet ball valve concentricity positioning device, a set of vertically distributed ventilation grooves is further arranged on the outer surface of the rubber pad.
In the foregoing water inlet ball valve concentricity positioning device, the upper surface of the upper plane flange is further provided with a shock pad located outside the spigot step.
Compared with the prior art, the utility model discloses place the valve body of ball valve that will intake on last planar flange, cooperate with the valve body through setting up the tang step on last planar flange, realize the location and the fixing of valve body, through set up on lower planar flange with the corresponding tight hole of clamp of ball valve pivot diameter of intaking, play valve body and pivot relatively fixed and make valve pivot and the endocentric effect of valve body, moreover, can effectually improve valve body and valve stability fixed between the two, prevent that both from taking place the skew, and then can guarantee pivot and valve body central line coincidence, be convenient for carry out operations such as reaming processing to ball valve upper portion pivot dead eye. To sum up, the utility model has the characteristics of can effectively improve valve body and valve stability fixed between the two.
Additionally, the utility model discloses a set up a set of evenly distributed's opening on the tang step, set up the movable rod in the through-flow hole to set up fixed plate, rubber pad and adjusting spring at the movable rod both ends, utilize the valve body to compress tightly the valve pivot, both links, thereby improvement valve that can be further and the fixed stability of valve body guarantee the central line coincidence all the time of pivot and valve body.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of the stop step of FIG. 1;
fig. 3 is an assembly view of the present invention.
The labels in the figures are: 1-lower plane flange, 2-upper plane flange, 3-support plate, 4-reinforcing rib, 5-through hole, 6-spigot step, 7-clamping hole, 8-circulation hole, 9-movable rod, 10-fixed plate, 11-rubber pad, 12-adjusting spring, 13-buffer spring, 14-shock pad, 15-valve body, 16-valve and 17-valve pivot.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The concentricity positioning device of the water inlet ball valve is shown in figures 1 to 3 and comprises a lower plane flange 1 and an upper plane flange 2, a support plate 3 is arranged between the lower plane flange 1 and the upper plane flange 2, and a reinforcing rib 4 is arranged on the outer side of the support plate 3; a through hole 5 is formed in the middle of the upper planar flange 2, and a spigot step 6 positioned on the upper surface of the upper planar flange 2 is arranged at the upper end of the through hole 5; the middle part of the lower plane flange 1 is provided with a clamping hole 7 corresponding to the through hole 5; the diameter of the through hole 5 is larger than that of the clamping hole 7, and the diameter of the clamping hole 7 corresponds to that of the water inlet ball valve pivot.
The improved structure of the spigot step is characterized in that a group of uniformly distributed circulation holes 8 are formed in the spigot step 6, movable rods 9 are arranged in the circulation holes 8, fixing plates 10 located on the inner side and the outer side of the spigot step 6 are arranged at two ends of each movable rod 9, rubber pads 11 are arranged on the outer side walls of the fixing plates 10, and adjusting springs 12 sleeved on the movable rods 9 are arranged between the fixing plates 10 and the spigot step 6.
A buffer spring 13 is also arranged between the rubber pad 11 and the fixing plate 10.
The upper end of the rubber pad 11 is provided with an inclined guide surface.
A set of vertically distributed ventilation grooves is further formed in the outer surface of the rubber pad 11.
The upper surface of the upper plane flange 2 is also provided with a shock pad 14 positioned outside the spigot step 6.
The surface of the shock pad is provided with a group of annular grooves distributed in concentric circles, and a connecting groove is arranged between every two adjacent annular grooves.
The installation process of the water inlet ball valve is as follows: install the utility model discloses a concentricity positioner on corresponding maintenance platform (merry go round machine), then place valve body and valve whole on this positioner, valve body lower surface (bearing flange plane) and the tang step on the last planar flange cooperate, and this tang step inserts in the ball valve pivot bearing hole simultaneously, and all weights of ball valve have been undertaken to the upper flange plane, and the valve pivot of lower extreme cooperatees with pressing from both sides tight hole after passing the perforating hole, and the pivot is 0 with pressing from both sides the clearance between the tight hole. The pivot shaft at the upward head is processed, so that the aim of maintenance is fulfilled.
The upper plane flange, the lower plane flange, the supporting plate and the reinforcing ribs are connected into a whole in a welding mode.
Meanwhile, in the process that the lower surface of the valve body is placed on the upper plane flange, the lower surface of the valve body can extrude the rubber pad and the fixed plate at the left side end to move rightwards, the movable rod is driven to move rightwards, and then the fixed plate and the rubber pad at the right end are clamped with the upper section of the pivot shaft, so that the fixing stability is further improved.
Claims (6)
1. Ball valve concentricity positioner of intaking, its characterized in that: the flange structure comprises a lower plane flange (1) and an upper plane flange (2), wherein a supporting plate (3) is arranged between the lower plane flange (1) and the upper plane flange (2), and reinforcing ribs (4) are arranged on the outer side of the supporting plate (3); a through hole (5) is formed in the middle of the upper plane flange (2), and a spigot step (6) located on the upper surface of the upper plane flange (2) is arranged at the upper end of the through hole (5); the middle part of the lower plane flange (1) is provided with a clamping hole (7) corresponding to the through hole (5); the diameter of the through hole (5) is larger than that of the clamping hole (7), and the diameter of the clamping hole (7) corresponds to that of the water inlet ball valve pivot.
2. The water inlet ball valve concentricity positioning device of claim 1, wherein: be equipped with a set of evenly distributed's opening hole (8) on tang step (6), be equipped with movable rod (9) in opening hole (8), movable rod (9) both ends are equipped with fixed plate (10) that are located the inside and outside both sides of tang step (6), are equipped with rubber pad (11) on fixed plate (10) lateral wall, are equipped with between fixed plate (10) and tang step (6) and overlap regulating spring (12) of locating on movable rod (9).
3. The water inlet ball valve concentricity positioning device of claim 2, wherein: and a buffer spring (13) is also arranged between the rubber pad (11) and the fixing plate (10).
4. The water inlet ball valve concentricity positioning device of claim 2, wherein: the upper end of the rubber pad (11) is provided with an inclined guide surface.
5. The water inlet ball valve concentricity positioning device of claim 2, wherein: the outer surface of the rubber pad (11) is also provided with a group of vertically distributed ventilation grooves.
6. The water inlet ball valve concentricity positioning device of claim 1, wherein: and the upper surface of the upper plane flange (2) is also provided with a shock pad (14) positioned on the outer side of the spigot step (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566269.0U CN210524917U (en) | 2019-09-19 | 2019-09-19 | Water inlet ball valve concentricity positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566269.0U CN210524917U (en) | 2019-09-19 | 2019-09-19 | Water inlet ball valve concentricity positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210524917U true CN210524917U (en) | 2020-05-15 |
Family
ID=70606039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921566269.0U Active CN210524917U (en) | 2019-09-19 | 2019-09-19 | Water inlet ball valve concentricity positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210524917U (en) |
-
2019
- 2019-09-19 CN CN201921566269.0U patent/CN210524917U/en active Active
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