Adjustable independent sensor support

Abstract

The utility model discloses an adjustable independent sensor support which comprises a support body, at least one adjusting seat is installed on the support body in a longitudinal adjusting mode, an extension rod is installed on the adjusting seat and is perpendicular to the support body, a supporting plate is installed at the end, away from the support body, of the extension rod, and a displacement sensor is installed on the supporting plate. According to the utility model, the independent support is arranged, the displacement sensor is arranged on the support, and the support is not connected with the simulation testing machine, so that the throw measurement influence caused by the vibration of the simulation testing machine is eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to water turbine unit simulation test technical field especially involves a adjustable independent type sensor support. BACKGROUND

[0002] When simulating the vertical water turbine unit simulation test machine, the swing of the simulation test machine needs to be measured. Since there is a large vibration in the simulation test machine during simulation, if the displacement sensor is directly installed on the simulation test machine, the vibration of the simulation test machine will cause measurement error of the displacement sensor. In order to solve the above problem, we propose a adjustable independent type sensor support to eliminate the influence of swing measurement caused by the vibration of the simulation test machine. UTILITY MODEL CONTENTS

[0003] The utility model discloses a adjustable independent type sensor support to eliminate the influence of swing measurement caused by the vibration of the simulation test machine.

[0004] In order to achieve the above purpose, the utility model provides a adjustable independent type sensor support, including support, at least one adjusting seat is installed on the support and is adjusted longitudinally, the adjusting seat is installed with the extension rod, the extension rod is perpendicular to the support, the extension rod is installed with the supporting plate on the end far from the support, and the displacement sensor is installed on the supporting plate.

[0005] The support is connected with the adjusting seat through the slide rail assembly, the slide rail assembly includes linear guide rail and sliding block, two linear guide rails are installed on the support longitudinally, the two linear guide rails are spaced apart by a distance and are parallel to each other, at least two sliding blocks are installed on the adjusting seat, the two sliding blocks are respectively connected with the two linear guide rails in sliding fit, the limit screw is rotatably installed on the sliding block, and the limit screw is abutted with the linear guide rail to limit and fix the sliding block and the linear guide rail.

[0006] The adjusting device is installed on the support, the adjusting device includes driving wheel, driven wheel and belt, the driving wheel is installed on the lower support through the driving shaft, the lower support is installed on the lower end of the support, the driving shaft is installed with the driving device on one end, the driven wheel is installed on the upper support through the pin shaft, the upper support is installed on the upper end of the support, the belt is sleeved on the driving wheel and the driven wheel, and at least one adjusting seat is connected and fixed with one side of the belt.

[0007] The driving device is hand wheel or motor.

[0008] The extension rod is telescopic and adjustable and is installed on the adjusting seat.

[0009] The adjusting seat is provided with a sliding sleeve, the extension rod is slidably inserted into the sliding sleeve, the adjusting seat is fixedly provided with a limiting seat on the side away from the supporting plate, the limiting seat is provided with a notch at the position corresponding to the extension rod, the extension rod passes through the notch, and a clamping screw is screwed on the limiting seat at the position of the notch.

[0010] The two adjusting seats are longitudinally adjusted and installed on the support.

[0011] The two extension rods are installed on the adjusting seat.

[0012] The displacement sensor is installed on the support.

[0013] Compared with the prior art, the support has the following technical effects:

[0014] 1. The support is used for supporting and installing the displacement sensor, the adjusting seat is longitudinally adjusted and installed on the support, the installation position of the adjusting seat is adjusted as required, so that the height of the displacement sensor is adjusted, the displacement sensor is aligned with the different heights of the runner or the shaft system of the simulation test machine, the extension rod is used for supporting and extending the supporting plate, the supporting plate is extended into the simulation test machine, and the displacement sensor is abutted against the runner or the shaft system of the simulation test machine. The displacement sensor is installed on the support, the support is not connected with the simulation test machine, and the influence of the swing measurement caused by the vibration of the simulation test machine is eliminated.

[0015] 2. The adjusting device is installed on the support, and the height of the adjusting seat is adjusted.

[0016] 3. The extension rod is telescopically adjusted and installed on the adjusting seat, and the extension position of the supporting plate is adjusted as required.

[0017] 4. The two adjusting seats are longitudinally adjusted and installed on the support, the extension rod, the supporting plate and the displacement sensor are respectively installed on the two adjusting seats, and the swing of the runner and the shaft system is measured at the same time. DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows:

[0019] Figure 1 It is a front perspective structural schematic view of the utility model;

[0020] Figure 2 It is a back perspective structural schematic view of the utility model;

[0021] Figure 3The utility model discloses a front face three-dimensional structure schematic diagram of not showing the support of the utility model.

[0022] Figure 4 The utility model discloses a front face back body structure schematic diagram of not showing the support of the utility model.

[0023] Figure 5 Figure 4 The enlarged structure schematic diagram of A place in the middle shows.

[0024] Figure 6 The utility model discloses a structure schematic diagram of installing displacement sensor on the support plate.

[0025] In the drawing,

[0026] Support 10;

[0027] Slide rail assembly 20, linear guide rail 21, sliding block 22, limit screw 23;

[0028] Adjusting seat 30, sliding sleeve 31, limit seat 32, notch 33, clamping screw 34;

[0029] Extension rod 40;

[0030] Support plate 50, support 51;

[0031] Adjusting device 60, lower support 61, driving shaft 62, driving wheel 63, driving device 64, upper support 65, pin shaft 66, driven wheel 67, belt 68;

[0032] Displacement sensor 70. Specific implementation

[0033] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, and the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0034] Embodiment 1:

[0035] Please see Figures 1-6 A kind of adjustable independent sensor support, including support 10, at least one adjusting seat 30 is installed on the support 10 and is longitudinally adjusted, adjusting seat 30 is installed with extension rod 40, extension rod 40 is perpendicular to support 10, support plate 50 is installed on the end of extension rod 40 away from support 10, displacement sensor 70 is installed on support plate 50.

[0036] The support 10 is used for supporting and mounting the displacement sensor 70, the adjusting seat 30 can be longitudinally adjusted in position and is mounted on the support 10, the mounting position of the adjusting seat 30 is adjusted as required, so that the height of the displacement sensor 70 is adjusted, and the displacement sensor 70 is aligned with the different heights of the runner or the shaft system of the simulation test machine. The extension rod 40 is used for supporting and extending the supporting plate 50, so that the supporting plate 50 extends into the simulation test machine, and the displacement sensor 70 abuts against the runner or the shaft system of the simulation test machine.

[0037] The utility model discloses a separate support 10 is set up, and the displacement sensor 70 is installed on the support 10, and the support 10 is not connected with the simulation test machine, thereby eliminating the influence of swing measurement brought by the vibration of the simulation test machine.

[0038] Further, in order to facilitate the longitudinal movement of the adjusting seat 30, referring to Figures 1-4 The support 10 is connected with the adjusting seat 30 through the slide rail assembly 20.

[0039] Specifically, the slide rail assembly 20 includes linear guides 21 and sliding blocks 22, two linear guides 21 are longitudinally mounted on the support 10, the two linear guides 21 are spaced apart by a distance and are parallel to each other, at least two sliding blocks 22 are mounted on the adjusting seat 30, the two sliding blocks 22 are respectively connected with the two linear guides 21 in sliding fit, a limiting screw 23 is rotatably mounted on the sliding block 22, and the limiting screw 23 is abutted with the linear guide 21 to limit and fix the sliding block 22 and the linear guide 21.

[0040] When the height of the adjusting seat 30 needs to be adjusted, the limiting screw 23 is loosened, at this time, the adjusting seat 30 can slide along the linear guide 21 through the sliding block 22, when moved to the required position, the limiting screw 23 is tightened, the limiting screw 23 is abutted with the linear guide 21, and the sliding block 22 is limited with the linear guide 21.

[0041] In the embodiment, two extension rods 40 are mounted on the adjusting seat 30, and the two extension rods 40 support the supporting plate 50, so that the supporting stability is better.

[0042] In the embodiment, a support 51 is mounted on the supporting plate 50, and the displacement sensor 70 is mounted on the support 51.

[0043] In the embodiment, the displacement sensor 70 is a rebound type LVDT displacement sensor.

[0044] Embodiment 2:

[0045] On the basis of embodiment 1, since the height of the simulation test machine is high, in order to facilitate the movement of the adjusting seat 30, referring to 1-4, an adjusting device 60 is mounted on the support 10.

[0046] Specifically, the adjusting device 60 comprises a driving wheel 63, a driven wheel 67 and a belt 68. The driving wheel 63 is installed on the lower support 61 through a driving shaft 62, the lower support 61 is installed on the lower end of the support 10, one end of the driving shaft 62 is installed with a driving device 64, the driven wheel 67 is installed on the upper support 65 through a pin shaft 66, the upper support 65 is installed on the upper end of the support 10, the belt 68 is sleeved on the driving wheel 63 and the driven wheel 67, and at least one adjusting seat 30 is fixedly connected with one side of the belt 68. See Figure 4 The driving device 64 drives the driving shaft 62 to rotate, so as to drive the driving wheel 63 to rotate, thereby driving the belt 68 to rotate, and finally driving the adjusting seat 30 to ascend or descend.

[0047] Specifically, the driving device 64 is a hand wheel or a motor. When the hand wheel is adopted, the hand wheel is tied with the support 10 by a wire after the adjustment is completed, so as to prevent the adjusting seat 30 from falling and moving. When the motor is adopted, the motor is a worm gear reduction motor, the output shaft of the motor is connected with the driving shaft 62 for transmission, and when the motor stops, the adjusting seat 30 will not fall and move due to the adoption of the worm gear structure.

[0048] In the embodiment, the driving wheel 63 and the driven wheel 67 are synchronous wheels, and the belt 68 is a synchronous belt. The belt 68 is located on the side of the adjusting seat 30 away from the supporting plate 50, and one side of the belt 68 is fixedly connected with the adjusting seat 30 through a bolt.

[0049] In the embodiment, one side of the upper adjusting seat 30 is fixedly connected with the belt 68, or both of the adjusting seats 30 are fixedly connected with one side of the belt 68.

[0050] Embodiment 3:

[0051] On the basis of the embodiments 1 or 2, the telescopic rod 40 is installed on the adjusting seat 30, so as to facilitate the adjustment of the extension position of the supporting plate 50 according to the requirement.

[0052] In the embodiment, see Figure 3 , 4 , 5, the adjusting seat 30 is installed with a sliding sleeve 31, the telescopic rod 40 is slidably inserted into the sliding sleeve 31, the adjusting seat 30 is fixedly installed with a limiting seat 32 on the side away from the supporting plate 50, the limiting seat 32 is provided with a notch 33 at the position corresponding to the telescopic rod 40, the telescopic rod 40 passes through the notch 33, and the limiting seat 32 is screwed with a clamping screw 34 at the position of the notch 33. When the clamping screw 34 is tightened, the notch 33 clamps and fixes the telescopic rod 40.

[0053] When the adjustment is required, the clamping screw 34 is loosened, and the telescopic rod 40 can be slid in and out. When the supporting plate 50 is adjusted to the position, the clamping screw 34 is tightened, see Figure 5 , the notch 33 clamps and fixes the telescopic rod 40.

[0054] Embodiment 4:

[0055] On the basis of Embodiment 1 or 2 or 3, two adjusting seats 30 are installed on the support 10, and the two adjusting seats 30 can be longitudinally adjusted in height position. The two adjusting seats 30 are respectively provided with an extension rod 40, a supporting plate 50 and a displacement sensor 70. It is convenient to simultaneously measure the runout of the rotating wheel and the shaft system.

[0056] The use steps of the utility model are as follows:

[0057] In use, the support 10 is installed on one side of a simulation testing machine, and the support 10 does not contact the simulation testing machine.

[0058] First, the displacement sensor 70 is installed on the support 51 of the supporting plate 50.

[0059] Then, the height of the adjusting seat 30 is adjusted, the displacement sensor 70 is aligned with the corresponding height of the rotating wheel or the shaft system to be measured, and the extension rod 40 is adjusted, so that the displacement sensor 70 abuts against the rotating wheel or the shaft system to be measured. Then, the runout measurement can be measured.

Claims

1. An adjustable, independent sensor holder, characterized in that: Includes a bracket (10), on which at least one adjusting seat (30) is longitudinally adjustable, an extension rod (40) is installed on the adjusting seat (30), the extension rod (40) is perpendicular to the bracket (10), and a support plate (50) is installed on the end of the extension rod (40) away from the bracket (10), and a displacement sensor (70) is installed on the support plate (50).

2. The adjustable independent sensor bracket according to claim 1, characterized in that: The bracket (10) is connected to the adjusting seat (30) via a slide rail assembly (20); the slide rail assembly (20) includes a linear guide rail (21) and a slider (22). The two linear guide rails (21) are longitudinally mounted on the bracket (10). The two linear guide rails (21) are spaced apart and parallel to each other. At least two sliders (22) are mounted on the adjusting seat (30). The two sliders (22) are slidably connected to the two linear guide rails (21) respectively. A limit screw (23) is screwed onto the slider (22). When the limit screw (23) abuts against the linear guide rail (21), it limits and fixes the slider (22) to the linear guide rail (21).

3. An adjustable independent sensor bracket according to claim 2, characterized in that: An adjustment device (60) is installed on the bracket (10); the adjustment device (60) includes a drive wheel (63), a driven wheel (67) and a belt (68). The drive wheel (63) is installed on the lower support (61) via a drive shaft (62). The lower support (61) is installed on the lower end of the bracket (10). A drive device (64) is installed on one end of the drive shaft (62). The driven wheel (67) is installed on the upper support (65) via a pin (66). The upper support (65) is installed on the upper end of the bracket (10). The belt (68) is fitted on the drive wheel (63) and the driven wheel (67). At least one adjustment seat (30) is connected and fixed to one side of the belt (68).

4. An adjustable independent sensor bracket according to claim 3, characterized in that: The drive device (64) is a handwheel or a motor.

5. An adjustable independent sensor bracket according to claim 1, characterized in that: The extension rod (40) is telescopically adjustable and mounted on the adjustment seat (30).

6. An adjustable independent sensor bracket according to claim 5, characterized in that: A sliding sleeve (31) is installed on the adjusting seat (30), and the extension rod (40) slides into the sliding sleeve (31). A limiting seat (32) is fixedly installed on the side of the adjusting seat (30) away from the support plate (50). A slot (33) is provided on the limiting seat (32) at the position corresponding to the extension rod (40). The extension rod (40) passes through the slot (33). A clamping screw (34) is screwed onto the limiting seat (32) at the slot (33). When the clamping screw (34) is tightened, the slot (33) clamps and fixes the extension rod (40).

7. An adjustable independent sensor bracket according to claim 1, characterized in that: Two adjustment seats (30) are installed on the bracket (10), and the height of both adjustment seats (30) can be adjusted longitudinally.

8. An adjustable independent sensor bracket according to claim 1 or 5, characterized in that: Two extension rods (40) are installed on the adjusting seat (30).

9. An adjustable independent sensor bracket according to claim 1, characterized in that: A support (51) is installed on the pallet (50), and a displacement sensor (70) is installed on the support (51).

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