CN214539660U

CN214539660U - Speed measuring device for hydraulic generator

Info

Publication number: CN214539660U
Application number: CN202023298398.1U
Authority: CN
Inventors: 陆鑫; 马金璐
Original assignee: Tianjin Tianfa Tianzhong Power Equipment Manufacturing Co ltd
Current assignee: Tianjin Tianfa Tianzhong Power Equipment Manufacturing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-29
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a speed sensor for hydraulic generator, including speed probe, U type bedplate opening down, be equipped with installation mechanism on the lateral wall of U type bedplate, the upper end fixedly connected with mount of U type bedplate, the vertical running through in upper end of mount is equipped with the threaded sleeve, threaded sleeve and mount sliding connection, the inboard of mount is equipped with the elevating system who goes up and down with threaded sleeve connection and drive threaded sleeve, the telescopic upper end fixedly connected with installation cover of threaded sleeve, the speed probe sets up inboard at the installation cover. The utility model discloses the structure is nimble, it is convenient to adjust, can be according to the installation needs of reality, adjusts the height of speed probe in a flexible way, and then keeps suitable detection distance with the water wheels that wait to test the speed, and the installation is stable, possesses good barrier propterty simultaneously, effectively avoids speed probe to receive the collision and damages.

Description

Speed measuring device for hydraulic generator

Technical Field

The utility model relates to a hydraulic generator technical field that tests the speed especially relates to a speed sensor for hydraulic generator.

Background

The wheel generator is a generator which takes a water turbine as a prime mover to convert water energy into electric energy. When water flows through the water turbine, water energy is converted into mechanical energy, and a rotating shaft of the water turbine drives a rotor of the generator to convert the mechanical energy into electric energy for output. The main power equipment for generating electric energy in the hydropower station needs to use the speed measuring device to measure the speed of the water wheel in real time in the using process.

But current speed sensor is difficult to adjust because the structure is fixed for be difficult to adjust when actual installation and make speed probe and the hydraulic turbine that awaits measuring the speed keep suitable detection distance, and in daily maintenance, the maintenance of hydraulic turbine, because speed probe directly exposes outside, receive the collision very easily and damage, consequently, need design a speed sensor for hydraulic generator now, solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a speed measuring device for a hydraulic generator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a speed sensor for hydraulic generator, includes speed probe, U type bedplate opening is down, be equipped with installation mechanism on the lateral wall of U type bedplate, the upper end fixedly connected with mount of U type bedplate, the vertical threading of upper end of mount is equipped with the threaded sleeve, threaded sleeve and mount sliding connection, the inboard of mount is equipped with the elevating system who goes up and down with threaded sleeve connection and drive threaded sleeve, threaded sleeve's upper end fixedly connected with installation cover, the speed probe sets up at the installation cover inboard, be connected with on the speed probe lateral wall and remove the seat, the installation cover inboard is equipped with and removes the seat and be connected and the drive telescopic machanism who removes the seat and remove.

Preferably, the mounting mechanism comprises a first screw rod penetrating through the side wall of the U-shaped seat plate, the first screw rod is in threaded connection with the U-shaped seat plate, one end of the first screw rod, which is located at the inner side of the U-shaped seat plate, is rotatably connected with a clamping plate, two limiting rods are fixedly connected to the side wall of the clamping plate, and the two limiting rods are symmetrically arranged on the upper side and the lower side of the first screw rod.

Preferably, elevating system is including installing the first motor on U type bedplate, first motor output shaft end up and fixedly connected with second screw rod, second screw rod threaded connection is in the screw sleeve, the fixed limited plate that has cup jointed on the lateral wall that the screw sleeve is close to the lower extreme.

Preferably, telescopic machanism includes the baffle of fixed connection at the installation cover opening part, the lower terminal surface fixedly connected with guide bar of baffle, the lower terminal surface of baffle rotates and is connected with the third screw rod parallel with the guide bar, third screw rod all run through and remove the seat, guide bar and removal seat sliding connection, third screw rod and removal seat threaded connection, the second motor is installed to the interior bottom of installation cover, the terminal fixed connection of second motor output shaft is at the lower extreme of third screw rod.

Preferably, one side of the clamping plate, which is far away from the first screw, is fixedly connected with two anti-disengaging teeth, and the two anti-disengaging teeth are arranged up and down.

Preferably, a rubber pad is bonded to one side of the clamping plate away from the first screw.

Preferably, one end of the first screw rod, which is far away from the clamping plate, is provided with a handle, and the handle and the first screw rod are integrally formed.

Preferably, the first screw rod is sleeved with a first spring, and two ends of the first spring respectively abut against the clamping plate and the inner wall of the U-shaped seat plate.

Preferably, the movable groove has been seted up on the lateral wall of removal seat, the fixedly connected with movable block on the lateral wall of speed measuring probe, the movable block is located the movable groove, it is equipped with the slide bar to run through on the movable block, movable block and slide bar sliding connection, the equal fixed connection in both ends of slide bar is on the inner wall in movable groove, the cover is equipped with the second spring on the slide bar, and the both ends of second spring respectively with movable block, movable groove inner wall connection.

Preferably, the number of the second springs is two, and the two second springs are respectively arranged on two sides of the movable block.

The utility model has the advantages that:

through setting up installation mechanism, through rotating first screw rod, can make the clamp plate remove and press from both sides tightly, realize the stable installation of U type bedplate, and press from both sides tight interval adjustable, the suitability is higher.

Through setting up elevating system, start first motor corotation or reversal, the drive second screw rod rotates, can make the screw sleeve move up or move down, and then the height of adjustable speed probe for speed probe keeps suitable detection distance with the water wheels that wait to test the speed, and it is convenient to use.

Through setting up telescopic machanism, start the second motor, drive the third screw rod and rotate, can be so that to remove the seat and move down, and then can remove the tacho probe and accomodate into the installation cover inside, and then protect the tacho probe, effectively avoid the tacho probe to receive the collision and damage.

The utility model discloses the structure is nimble, it is convenient to adjust, can be according to the installation needs of reality, adjusts the height of speed probe in a flexible way, and then keeps suitable detection distance with the water wheels that wait to test the speed, and the installation is stable, possesses good barrier propterty simultaneously, effectively avoids speed probe to receive the collision and damages.

Drawings

Fig. 1 is a schematic structural view of a speed measuring device for a hydro-generator according to the present invention;

fig. 2 is a schematic structural view of a second embodiment of a speed measuring device for a hydro-generator according to the present invention;

fig. 3 is a schematic structural view of a third embodiment of a speed measuring device for a hydro-generator according to the present invention;

fig. 4 is the utility model provides a third speed probe of embodiment of speed measuring device for hydraulic generator and the schematic structural diagram who removes the seat and be connected.

In the figure: the device comprises a U-shaped seat plate 1, a clamping plate 2, a rubber pad 3, a tooth preventing part 4, a limiting rod 5, a first screw rod 6, a speed measuring probe 7, a fixed frame 8, a first motor 9, a limiting plate 10, a second screw rod 11, a threaded sleeve 12, an installation cover 13, a second motor 14, a guide rod 15, a third screw rod 16, a movable seat 17, a baffle 18, a first spring 19, a movable block 20, a movable groove 21, a sliding rod 22 and a second spring 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1, a speed sensor for hydraulic generator, including speed probe 7,

U type bedplate

1, 1 opening of U type bedplate faces down, be equipped with installation mechanism on U type bedplate 1's the lateral wall, the upper end fixedly connected with mount 8 of U type bedplate, the vertical upper end of mount 8 runs through and is equipped with threaded sleeve 12, threaded

sleeve

12 and 8 sliding connection of mount, the inboard of mount 8 is equipped with the elevating system who is connected and drives threaded sleeve 12 and go up and down with threaded sleeve 12, the upper end fixedly connected with installing cover 13 of threaded sleeve 12, speed probe 7 sets up at installing cover 13 inboardly, be connected with on the speed probe 7 lateral wall and remove seat 17, installing cover 13 inboardly is equipped with and removes the telescopic machanism that seat 17 removed is connected and the drive removes the removal of seat 17.

The utility model discloses in, installation mechanism is including running through first screw rod 6 that sets up on 1 lateral wall of U type bedplate,

first screw rod

6 and 1 threaded connection of U type bedplate, first screw rod 6 is located 1 inboard one end of U type bedplate and rotates and be connected with pinch-off blades 2, two gag lever posts 5 of fixedly connected with on pinch-off blades 2's the lateral wall, and two 5 symmetries of gag lever post set up the upper and lower both sides at first screw rod 6, through rotating first screw rod 6, can make pinch-off blades 2 remove and press from both sides tightly, realize U type bedplate 1's stable installation, and press from both sides tight interval adjustable, the suitability is higher.

Specifically, elevating system is including installing first motor 9 on U type bedplate 1, and end of first motor 9 output shaft up and fixedly connected with

second screw rod

11, and 11 threaded connection of second screw rod are in threaded sleeve 12, and threaded sleeve 12 is close to fixed the cup joint on the lateral wall of lower extreme and is had limiting plate 10.

Specifically, telescopic machanism includes fixed connection at the baffle 18 of installation cover 13 opening part, the lower terminal surface fixedly connected with guide bar 15 of baffle 18, the lower terminal surface of baffle 18 rotates and is connected with third screw rod 16 parallel with guide bar 15, third screw rod 16 all runs through and removes seat 17, guide bar 15 and removal seat 17 sliding connection, third screw rod 16 and removal seat 17 threaded connection, second motor 14 is installed to the interior bottom of installation cover 13, the terminal fixed connection of second motor 14 output shaft is at the lower extreme of third screw rod 16.

Further, two anticreep teeth 4 of one side fixedly connected with that first screw rod 6 was kept away from to clamp plate 2, and two anticreep teeth 4 set up from top to bottom, anticreep tooth 4 can play the fixed effect of further anticreep, one side that first screw rod 6 was kept away from to clamp plate 2 bonds there is rubber pad 3, rubber pad 3 has better anti-skidding effect, make clamp plate 2 press from both sides tightly more stable, the one end that clamp plate 2 was kept away from to first screw rod 6 is equipped with the handle, and handle and 6 integrated into one piece of first screw rod, it is convenient for operate first screw rod 6 to set up the handle.

The utility model discloses during the use, with 1 block of U type bedplate at the mounted position, through rotating first screw rod 6, can make clamp plate 2 remove and press from both sides tightly, realize the stable installation of U type bedplate 1, and it is adjustable to press from both sides tight interval, the suitability is higher, start first motor 9 corotation or reversal, drive second screw rod 11 rotates, can make threaded sleeve 12 shift up or move down, and then the height of adjustable speed probe 7 that tests the speed, make speed probe 7 keep suitable detection distance with the water wheels that wait to test the speed, it is convenient to use, start second motor 14, drive third screw rod 16 rotates, can make and remove seat 17 and move down, and then can remove speed probe 7 and accomodate into inside installation cover 13, and then protect speed probe 7 that tests the speed, effectively avoid speed probe 7 to receive the collision and damage.

Example two

Referring to fig. 2, the present embodiment is more advantageous than the first embodiment in that the first screw 6 is sleeved with the first spring 19, two ends of the first spring 19 respectively abut against the inner walls of the clamping plate 2 and the U-shaped seat plate 1, the first spring 19 applies an elastic force to the clamping plate 2 to abut against the clamping plate 2, so that the first screw 6 is effectively prevented from rotating to cause looseness of the clamping plate 2, and the installation is more stable.

EXAMPLE III

Referring to fig. 3 and 4, the present embodiment is more advantageous than the second embodiment in that a movable groove 21 is formed on a side wall of the movable seat 17, a movable block 20 is fixedly connected to a side wall of the speed measuring probe 7, the movable block 20 is located in the movable groove 21, a sliding rod 22 is disposed on the movable block 20 in a penetrating manner, the movable block 20 is slidably connected to the sliding rod 22, two ends of the sliding rod 22 are fixedly connected to an inner wall of the movable groove 21, a second spring 23 is sleeved on the sliding rod 22, two ends of the second spring 23 are respectively connected to the inner walls of the movable block 20 and the movable groove 21, two second springs 23 are disposed, and the two second springs 23 are respectively disposed on two sides of the movable block 20, because the movable block 20 can slide on the sliding rod 22, the second spring 23 provides a supporting force for the movable block 20, so that the movable block 20 has a certain movement space, and therefore, the speed measuring probe 7 has a certain movement buffering capacity when being collided, the damage caused by direct impact is avoided, and the speed measuring probe 7 is effectively protected.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a speed sensor for hydraulic generator, includes probe (7), U type bedplate (1) tests the speed, its characterized in that, U type bedplate (1) opening down, be equipped with installation mechanism on the lateral wall of U type bedplate (1), the upper end fixedly connected with mount (8) of U type bedplate (1), the vertical upper end of mount (8) is run through and is equipped with threaded sleeve (12), threaded sleeve (12) and mount (8) sliding connection, the inboard of mount (8) is equipped with and is connected and drive the elevating system that threaded sleeve (12) go up and down with threaded sleeve (12), the upper end fixedly connected with installing shield (13) of threaded sleeve (12), probe (7) test the speed sets up in installing shield (13) inboard, be connected with on probe (7) lateral wall and remove seat (17) test the speed, installing shield (13) inboard is equipped with and removes the seat (17) and is connected and the drive and removes the telescopic machanism that seat (17) removed.

2. The speed measuring device for the hydraulic generator according to claim 1, wherein the mounting mechanism comprises a first screw (6) penetrating through the side wall of the U-shaped seat plate (1), the first screw (6) is in threaded connection with the U-shaped seat plate (1), one end of the first screw (6) located at the inner side of the U-shaped seat plate (1) is rotatably connected with a clamping plate (2), two limiting rods (5) are fixedly connected to the side wall of the clamping plate (2), and the two limiting rods (5) are symmetrically arranged at the upper side and the lower side of the first screw (6).

3. The speed measuring device for the hydraulic generator according to claim 1, wherein the lifting mechanism comprises a first motor (9) installed on the U-shaped seat plate (1), the end of the output shaft of the first motor (9) faces upward and is fixedly connected with a second screw (11), the second screw (11) is screwed in a threaded sleeve (12), and a limiting plate (10) is fixedly sleeved on the side wall of the threaded sleeve (12) close to the lower end.

4. The speed measuring device for the hydraulic generator according to claim 1, wherein the telescopic mechanism comprises a baffle (18) fixedly connected to an opening of the mounting cover (13), a guide rod (15) is fixedly connected to a lower end face of the baffle (18), a third screw (16) parallel to the guide rod (15) is rotatably connected to a lower end face of the baffle (18), the guide rod (15) and the third screw (16) both penetrate through the moving seat (17), the guide rod (15) is slidably connected with the moving seat (17), the third screw (16) is in threaded connection with the moving seat (17), the second motor (14) is installed at the inner bottom of the mounting cover (13), and the tail end of an output shaft of the second motor (14) is fixedly connected to the lower end of the third screw (16).

5. The speed measuring device for the hydraulic generator according to claim 2, wherein one side of the clamping plate (2) far away from the first screw (6) is fixedly connected with two anti-falling teeth (4), and the two anti-falling teeth (4) are arranged up and down.

6. A speed measuring device for a hydraulic generator according to claim 5, wherein a rubber pad (3) is adhered to one side of the clamping plate (2) far away from the first screw (6).

7. The speed measuring device for the hydraulic generator according to claim 6, wherein a handle is arranged at one end of the first screw rod (6) far away from the clamping plate (2), and the handle and the first screw rod (6) are integrally formed.

8. The speed measuring device for the hydraulic generator according to claim 7, wherein the first screw (6) is sleeved with a first spring (19), and two ends of the first spring (19) are respectively abutted against the inner walls of the clamping plate (2) and the U-shaped seat plate (1).

9. The speed measuring device for the hydraulic generator according to claim 8, wherein a movable groove (21) is formed in the side wall of the movable seat (17), a movable block (20) is fixedly connected to the side wall of the speed measuring probe (7), the movable block (20) is located in the movable groove (21), a sliding rod (22) is arranged on the movable block (20) in a penetrating mode, the movable block (20) is connected with the sliding rod (22) in a sliding mode, the two ends of the sliding rod (22) are fixedly connected to the inner wall of the movable groove (21), a second spring (23) is sleeved on the sliding rod (22), and the two ends of the second spring (23) are connected with the inner walls of the movable block (20) and the movable groove (21) respectively.

10. The speed measuring device for the hydraulic generator according to claim 9, wherein two second springs (23) are provided, and the two second springs (23) are respectively provided at two sides of the movable block (20).