CN215000500U

CN215000500U - No platform viewing device

Info

Publication number: CN215000500U
Application number: CN202121352616.7U
Authority: CN
Inventors: 李晋; 唐云武; 梁鹏翔; 戴振宇
Original assignee: Guoneng Daduhe Maintenance And Installation Co ltd
Current assignee: Guoneng Daduhe Maintenance And Installation Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-03
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to a hydroelectric set overhauls technical field, concretely relates to no platform viewing device. The novel telescopic connecting rod is characterized by comprising a supporting column, wherein an installation groove plate is arranged at the top of the supporting column, a fixing rod is detachably installed on the installation groove plate, an extension rod is sleeved in the fixing rod and penetrates out of one end of the fixing rod, the extension rod can move along the axis of the fixing rod, a connecting ball is arranged at one end, away from the fixing rod, of the extension rod, a connecting rod is arranged on the connecting ball, and a camera is arranged at one end, away from the connecting ball, of the connecting rod. The utility model discloses can realize the no platform observation to hydroelectric set runner and runner room, convenient to use uses manpower and materials sparingly.

Description

No platform viewing device

Technical Field

The utility model relates to a hydroelectric set overhauls technical field, concretely relates to no platform viewing device.

Background

The water turbine generator set is a machine which converts the potential energy of water into mechanical energy through a specific structure, and in the running process of the generator set, the runner blades of the water turbine are continuously washed by water. In order to reduce the volume loss, a small clearance structure is arranged between the runner blade skirt and the runner chamber, so that the runner blade skirt is most easily subjected to clearance cavitation during the operation of the unit. And when the unit is installed and debugged, the clearance adjustment is improper, so that the unit is easy to scratch and wear between the initial start and the runner chamber. However, due to the working position, whether the blade skirt is abraded or cavitation can be found only by lifting the rotating wheel out of the machine pit when the machine set is overhauled, so that the operation stability of the machine set is influenced, and the inspection and maintenance are difficult.

During the size repair process of the hydroelectric generating set, the cavitation erosion conditions of the runner, the runner chamber and the draft tube need to be checked, and the cavitation erosion part needs to be repaired, which is a standard project for repairing. To complete the project, a maintenance platform needs to be set up on the draft tube. However, in order to set up the tail water platform, the person of being convenient for inspects it on the platform, and people need spend plenty of time, manpower and material resources just can set up, overhauls the completion back, still need consuming time and manpower to remove and remove the tail water platform, and the safe risk is high among the operation process, and is inefficient, lacks the more practical inspection device that need not set up the tail water platform, also can inspect. Therefore, there is a need for a device that allows platform-free viewing of the wheel and wheel well.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a no platform viewing device, when its uses, can realize using manpower sparingly the material resources to the no platform observation of hydroelectric set runner and runner room.

The utility model discloses the technical scheme who adopts does:

the utility model provides a no platform viewing device, includes the support column, the top of support column is equipped with the installation frid, install the dead lever on the installation frid detachablely, the dead lever endotheca is equipped with the extension rod, and the extension rod is worn out from the one end of dead lever, the axis activity of dead lever can be followed to the extension rod, and keeps away from the one end of dead lever on the extension rod and be equipped with the connection ball, be equipped with the connecting rod on the connection ball, the one end of keeping away from the connection ball on the connecting rod is equipped with the camera.

Based on above-mentioned technical content, can play the effect of fixed stay to the device through the support column, through the swing joint of extension rod and dead lever, can adjust the extension length of extension rod in real time according to actual demand, through being connected ball and extension rod and connecting rod, can set up the connection angle of extension rod and connecting rod according to actual demand, can shoot the inspection to hydroelectric set's runner, runner room through the camera on the connecting rod. By using the device, the runner and the runner chamber of the water turbine generator set can be observed more efficiently and conveniently, the process of constructing a tail water platform is omitted, and manpower and material resources are saved.

In a possible design, a cavity is formed in the fixing rod, the extension rod is inserted into the cavity of the fixing rod, an adjusting screw rod is connected between the fixing rod and the extension rod, the fixing rod, the extension rod and the adjusting screw rod are coaxial, the adjusting screw rod is rotatably connected with the fixing rod, the adjusting screw rod is in threaded connection with the extension rod, and the adjusting screw rod extends into the extension rod. When the telescopic camera is applied, the adjusting screw rod is rotated to drive the extension rod to move in a telescopic mode along the axis of the fixing rod, so that the forward extending position of the camera is adjusted.

In a possible design, the outer wall of the fixed rod is provided with a rotary valve, one end of the rotary valve extends into the cavity of the fixed rod, the rotary valve is rotatably connected with the fixed rod, one end of the rotary valve inserted into the cavity of the fixed rod is provided with a vertical gear, the adjusting screw is provided with a horizontal gear, the horizontal gear is coaxial with the adjusting screw, and the vertical gear and the horizontal gear form a bevel gear transmission structure. When the adjusting mechanism is used, the rotary valve can be driven to rotate the vertical gear by screwing, the horizontal gear is stressed to synchronously rotate through the bevel gear transmission structure formed by the vertical gear and the horizontal gear, the horizontal gear rotates to drive the adjusting screw to rotate, and then the extension rod is driven to move in a telescopic mode along the axis of the fixed rod so as to adjust the extending position of the camera.

In one possible design, the extension rod is internally provided with a threaded sleeve, and the adjusting screw rod extends into the extension rod through the threaded sleeve and is in threaded engagement with the threaded sleeve. When the telescopic rod is applied, the threaded sleeve is meshed with the threads of the adjusting screw rod, so that the rotating of the adjusting screw rod can effectively drive the extending rod to move in a telescopic mode.

In a possible design, a plurality of pairs of limiting holes are distributed on the outer wall of the fixing rod along the axis, each pair of limiting holes are symmetrically distributed on two sides of the fixing rod, limiting mechanisms are arranged on two sides of the inner portion of the mounting groove plate, and one ends of the limiting mechanisms are detachably inserted into the limiting holes. When the device is applied, the limiting holes and the limiting mechanisms are arranged, the limiting mechanism fixing rods can be used for clamping connection, a fulcrum is provided for the fixing rods, and the heights of the connecting rods and the cameras can be adjusted in a labor-saving mode by utilizing a lever principle; through setting up many pairs of spacing holes, detachable installation stop gear is convenient for adjust the position of lever fulcrum.

In a possible design, stop gear includes spacing post, spring leaf and activity post, be equipped with the cavity in the spacing post, in the cavity of spacing post was located to spring leaf and activity post, spacing post was connected to the one end of spring leaf, and the activity post is connected to the other end, spacing post is coaxial with the activity post, and the one end of keeping away from the spring leaf on the activity post extends to outside the spacing post, and the one end of keeping away from the spring leaf on the activity post is equipped with spacing lug, spacing lug is used for inserting spacing downthehole. When the clamping device is applied, the limiting convex blocks are inserted into the corresponding limiting holes, the fixing rods can be clamped, the limiting convex blocks and the movable columns are extruded towards the spring pieces during clamping, the spring pieces deform, the limiting convex blocks can be clamped to the positions of the limiting holes smoothly, the elasticity of the spring pieces is recycled, the limiting convex blocks can be pushed into the limiting holes, and clamping of the fixing rods is completed.

In one possible design, a metal bottom plate is arranged in the limiting column, and one end, far away from the movable column, of the spring piece is connected to the metal bottom plate. When the limiting column is applied, the metal bottom plate is arranged to bear the thrust of the spring piece, the stress area is increased, and the force of the spring piece is prevented from being directly acted on the limiting column to cause the deformation of the limiting column.

In one possible design, one end of the limiting lug, which is used for being inserted into the limiting hole, is designed in a circular arc shape. When the limiting lug is applied, the arc-shaped design is carried out on one end of the limiting lug in butt joint with the limiting hole, so that the limiting lug can be conveniently and smoothly clamped into the limiting hole.

The utility model has the advantages that:

the utility model can make the camera replace human eyes to closely observe the runner and the runner chamber through the matching among the fixed rod, the extension rod, the connecting rod and the camera, can effectively improve the safety and reliability of the inspection of the runner and the runner chamber, and simultaneously improves the operation efficiency without setting up a tail water platform, thereby saving time and labor; through the arrangement of the supporting column, the mounting plate and the limiting mechanism, the limiting lug can be used for clamping the fixing rod, a fulcrum is provided for the fixing rod, and the heights of the connecting rod and the camera can be adjusted in a labor-saving manner by utilizing a lever principle; the limiting mechanism is detachably mounted by arranging a plurality of pairs of limiting holes, so that the position of the fulcrum is convenient to adjust; and through the mutual cooperation of adjusting screw, rotary valve and bevel gear drive structure, realize the effect to the extension rod removal, be convenient for adjust the anteextension length of camera.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the following description is made with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of the connecting rod;

FIG. 3 is a schematic view of the internal structure of the fixing rod;

FIG. 4 is a schematic view of the internal structure of the extension rod;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 6 is a schematic view of the internal structure of the limiting column.

In the figure: 1. a support pillar; 2. installing a groove plate; 3. fixing the rod; 4. an extension rod; 5. a connecting ball; 6. a connecting rod; 7. a camera; 8. adjusting the screw rod; 9. rotating the valve; 10. a vertical gear; 11. a horizontal gear; 12. a threaded sleeve; 13. a limiting hole; 14. a limiting column; 15. a metal base plate; 16. a spring plate; 17. a movable post; 18. and a limiting bump.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Example 1:

this embodiment provides a no platform viewing device, as shown in fig. 1 to 2, including support column 1, the top of support column 1 is equipped with installation frid 2, install dead lever 3 on the installation frid 2 detachablely, 3 endotheca of dead lever are equipped with extension rod 4, and extension rod 4 wears out from the one end of dead lever 3, extension rod 4 can follow the axis activity of dead lever 3, and the one end of keeping away from dead lever 3 on extension rod 4 is equipped with connects ball 5, be equipped with connecting rod 6 on connecting ball 5, the one end of keeping away from on connecting rod 6 and connecting ball 5 is equipped with camera 7.

During concrete implementation, can play the effect of fixed stay to the device through support column 1, through the swing joint of extension rod 4 and dead lever 3, can adjust extension rod 4's extension length in real time according to actual demand, through being connected of connecting ball 5 and extension rod 4 and connecting rod 6, can set up the angle of connection of extension rod 4 and connecting rod 6 according to actual demand, can shoot the inspection to hydroelectric generating set's runner, runner room through camera 7 on the connecting rod 6. By using the device, the runner and the runner chamber of the water turbine generator set can be observed more efficiently and conveniently, the process of constructing a tail water platform is omitted, and manpower and material resources are saved.

Example 2:

as an optimization of the above embodiment, as shown in fig. 3, a cavity is arranged inside the fixing rod 3, the extension rod 4 is inserted into the cavity of the fixing rod 3, an adjusting screw 8 is connected between the fixing rod 3 and the extension rod 4, the fixing rod 3, the extension rod 4 and the adjusting screw 8 are coaxial, the adjusting screw 8 is rotatably connected with the fixing rod 3, the adjusting screw 8 is in threaded connection with the extension rod 4, and the adjusting screw 8 extends into the extension rod 4. During specific implementation, the adjusting screw 8 is rotated to drive the extension rod 4 to move in a telescopic manner along the axis of the fixing rod 3 so as to adjust the forward extending position of the camera 7.

The outer wall of dead lever 3 is equipped with rotary valve 9, in the one end of rotary valve 9 extended to the cavity of dead lever 3, rotary valve 9 rotated with dead lever 3 and is connected, the one end that rotary valve 9 inserted in the cavity of dead lever 3 was equipped with perpendicular gear 10, be equipped with horizontal gear 11 on the adjusting screw 8, horizontal gear 11 was coaxial with adjusting screw 8, perpendicular gear 10 formed bevel gear drive structure with horizontal gear 11. During specific implementation, the rotary valve 9 can be driven to rotate the vertical gear 10 by screwing, the bevel gear transmission structure formed by the vertical gear 10 and the horizontal gear 11 is stressed to synchronously rotate the horizontal gear 11, the horizontal gear 11 rotates to drive the adjusting screw rod 8 to rotate, and then the extension rod 4 is driven to stretch and move along the axis of the fixed rod 3 so as to adjust the extending position of the camera 7.

As shown in fig. 4, the extension rod 4 is provided with a threaded sleeve 12 inside, and the adjusting screw 8 extends into the extension rod 4 through the threaded sleeve 12 and is in threaded engagement with the threaded sleeve 12. During specific implementation, the threaded sleeve 12 is meshed with the adjusting screw 8 in a threaded manner, so that the rotation of the adjusting screw 8 can effectively drive the extension rod 4 to move in a telescopic manner.

Example 3:

as an optimization of the above embodiment, as shown in fig. 5 to 6, a plurality of pairs of limiting holes 13 are distributed on the outer wall of the fixing rod 3 along the axis, each pair of limiting holes 13 are symmetrically distributed on both sides of the fixing rod 3, limiting mechanisms are arranged on both sides of the inside of the installation groove plate 2, and one end of each limiting mechanism is detachably inserted into the corresponding limiting hole 13. In specific implementation, the limiting hole 13 and the limiting mechanism are arranged, the limiting mechanism fixing rod 3 can be used for clamping connection, a fulcrum is provided for the fixing rod 3, and the heights of the connecting rod 6 and the camera 7 can be adjusted in a labor-saving manner by utilizing a lever principle; the position of the lever fulcrum can be conveniently adjusted by arranging a plurality of pairs of limiting holes 13 and detachably installing limiting mechanisms.

The limiting mechanism comprises a limiting column 14, a spring piece 16 and a movable column 17, a cavity is arranged in the limiting column 14, the spring piece 16 and the movable column 17 are arranged in the cavity of the limiting column 14, one end of the spring piece 16 is connected with the limiting column 14, the other end of the spring piece 16 is connected with the movable column 17, the limiting column 14 is coaxial with the movable column 17, one end, far away from the spring piece 16, of the movable column 17 extends out of the limiting column 14, a limiting bump 18 is arranged at one end, far away from the spring piece 16, of the movable column 17, and the limiting bump 18 is used for being inserted into the limiting hole 13. During specific implementation, the fixing rod 3 can be clamped by inserting the limiting convex block 18 into the corresponding limiting hole 13, the limiting convex block 18 and the movable column 17 are extruded towards the spring piece 16 during clamping, the spring piece 16 is deformed, the limiting convex block 18 can be smoothly clamped to the position of the limiting hole 13, the elasticity of the spring piece 16 is recycled, the limiting convex block 18 can be pushed into the limiting hole 13, and clamping of the fixing rod 3 is completed.

A metal bottom plate 15 is arranged in the limiting column 14, and one end, far away from the movable column 17, of the spring piece 16 is connected to the metal bottom plate 15. During specific implementation, the metal bottom plate 15 is arranged to bear the thrust of the spring piece 16, so that the stress area is increased, and the situation that the stress of the spring piece 16 directly acts on the limiting column 14 to cause deformation of the limiting column 14 is prevented.

The end of the limit lug 18, which is inserted into the limit hole 13, is designed to be arc-shaped. During specific implementation, the arc-shaped design is performed on one end, butted with the limiting hole 13, of the limiting lug 18, so that the limiting lug 18 can be conveniently and smoothly clamped into the limiting hole 13.

The present invention is not limited to the above-mentioned alternative embodiments, and various other products can be obtained by anyone under the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims

1. A no platform viewing device which characterized in that: including support column (1), the top of support column (1) is equipped with installation frid (2), install dead lever (3) on installation frid (2) detachablely, dead lever (3) endotheca is equipped with extension rod (4), and extension rod (4) are worn out from the one end of dead lever (3), the axis activity of dead lever (3) can be followed in extension rod (4), and the one end of keeping away from dead lever (3) on extension rod (4) is equipped with connects ball (5), be equipped with connecting rod (6) on connecting ball (5), the one end of keeping away from on connecting rod (6) and connecting ball (5) is equipped with camera (7).

2. The flatbed viewing apparatus of claim 1, wherein: the utility model discloses a fixing rod, including dead lever (3), extension rod (4), adjusting screw (8), dead lever (3) and extension rod (4) are connected with adjusting screw (8) in the cavity of dead lever (3) are inside to be equipped with the cavity, extension rod (4) are pegged graft in the cavity of dead lever (3), dead lever (3) and extension rod (4) are coaxial, adjusting screw (8) rotate with dead lever (3) to be connected, adjusting screw (8) and extension rod (4) threaded connection, and adjusting screw (8) extend to in extension rod (4).

3. A flatbed viewing apparatus according to claim 2, wherein: the outer wall of dead lever (3) is equipped with rotary valve (9), in the one end of rotary valve (9) extended to the cavity of dead lever (3), rotary valve (9) rotated with dead lever (3) and is connected, the one end that rotary valve (9) inserted in dead lever (3) cavity was equipped with vertical gear (10), be equipped with horizontal gear (11) on adjusting screw (8), horizontal gear (11) are coaxial with adjusting screw (8), vertical gear (10) form bevel gear drive structure with horizontal gear (11).

4. A flatbed viewing apparatus according to claim 2, wherein: the extension rod (4) is internally provided with a threaded sleeve (12), and the adjusting screw (8) penetrates through the threaded sleeve (12) to extend into the extension rod (4) and is in threaded engagement with the threaded sleeve (12).

5. The flatbed viewing apparatus of claim 1, wherein: a plurality of pairs of limiting holes (13) are distributed on the outer wall of the fixing rod (3) along the axis, each pair of limiting holes (13) are symmetrically distributed on two sides of the fixing rod (3), limiting mechanisms are arranged on two sides of the inner portion of the installation groove plate (2), and one ends of the limiting mechanisms are detachably inserted into the limiting holes (13).

6. The flatbed viewing apparatus of claim 5, wherein: limiting mechanism includes spacing post (14), spring leaf (16) and activity post (17), be equipped with the cavity in spacing post (14), in the cavity of spacing post (14) was located in spring leaf (16) and activity post (17), spacing post (14) were connected to the one end of spring leaf (16), and activity post (17) is connected to the other end, spacing post (14) are coaxial with activity post (17), and the one end of keeping away from spring leaf (16) on activity post (17) extends to outside spacing post (14), and the one end of keeping away from spring leaf (16) on activity post (17) is equipped with spacing lug (18), spacing lug (18) are used for inserting in spacing hole (13).

7. The flatbed viewing apparatus of claim 6, wherein: a metal bottom plate (15) is arranged in the limiting column (14), and one end, far away from the movable column (17), of the spring piece (16) is connected to the metal bottom plate (15).

8. The flatbed viewing apparatus of claim 6, wherein: the end, used for being inserted into the limiting hole (13), of the limiting convex block (18) is designed to be in an arc shape.