CN217276664U - Calibration device for hydraulic dynamometer - Google Patents

Abstract

The utility model discloses a hydraulic dynamometer calibration device, including driving motor, torque sensor, connecting axle, shaft coupling and the hydraulic dynamometer of coaxial setting in proper order in the workstation upper end, hydraulic dynamometer outer end is equipped with the hydraulic dynamometer support of rigid coupling at the workstation upside, the hydraulic dynamometer runs through the inside of hydraulic dynamometer support, and the inside bottom side of hydraulic dynamometer support is equipped with the arc wall with hydraulic dynamometer lower extreme adaptation, hydraulic dynamometer support upper end bolt runs through has adjusting bolt, adjusting bolt lower extreme bearing is connected with the grip block with hydraulic dynamometer upper end adaptation; place the water conservancy dynamometer and support in the arc wall on water conservancy dynamometer support, drive the grip block through adjusting bolt and down remove and carry out the centre gripping to water conservancy dynamometer upper end fixed, grip block cooperation supporting spring's use improves the stability of grip block centre gripping simultaneously, prevents because of water conservancy dynamometer is fixed unstable, influences the normal calibration check-up of water conservancy dynamometer.

Description

Calibration device for hydraulic dynamometer

Technical Field

The utility model relates to a hydraulic dynamometer field especially relates to hydraulic dynamometer calibration device.

Background

The hydraulic dynamometer is a dynamometer for measuring power through energy transfer of water, and comprises a rotor, a stator, a heavy hammer balance mechanism, a water supply system and the like, wherein the rotor rotates in the stator filled with flowing water, and the friction resistance between the water and the wall surface of the stator forms braking torque so as to absorb the power output by a rotating shaft.

The hydraulic dynamometer needs to be calibrated and checked in the production process, and in the calibration and checking process, the hydraulic dynamometer is generally directly placed on a supporting seat for positioning, so that the hydraulic dynamometer cannot be effectively fixed, normal calibration and checking can be influenced, and therefore a hydraulic dynamometer calibration device is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a hydraulic dynamometer calibration device to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: hydraulic dynamometer calibration device, including coaxial setting in proper order at driving motor, torque sensor, connecting axle, shaft coupling and the hydraulic dynamometer of workstation upper end, hydraulic dynamometer outer end is equipped with the hydraulic dynamometer support of rigid coupling at the workstation upside, the hydraulic dynamometer runs through the inside of hydraulic dynamometer support, and the inside bottom side of hydraulic dynamometer support be equipped with the arc wall of hydraulic dynamometer lower extreme adaptation, hydraulic dynamometer support upper end bolt runs through there is adjusting bolt, adjusting bolt lower extreme bearing be connected with the grip block of hydraulic dynamometer upper end adaptation.

As an optimized technical scheme of the utility model, the rigid coupling has supporting spring between grip block upside both ends and the interior roof of hydraulic dynamometer support.

As a preferred technical scheme of the utility model, torque sensor's lower extreme is equipped with the torque sensor seat with the workstation rigid coupling, torque sensor seat surface sliding connection has the display instrument who passes through the wire with torque sensor and be connected.

As an optimal technical scheme of the utility model, the symmetrical rigid coupling in one side that display instrument is close to the torque sensor seat has the slider, torque sensor seat one side is equipped with the fixed slot with the slider adaptation.

As a preferred technical scheme of the utility model, the driving motor lower extreme is equipped with the motor cabinet, torque sensor seat and hydraulic dynamometer support all pass through the bolt rigid coupling with the workstation.

As an optimized technical scheme of the utility model, workstation downside symmetry is equipped with the lift leg.

As a preferred technical scheme of the utility model, the lift leg is including lift post and solid fixed cylinder, lift post lower extreme is located inside the solid fixed cylinder upper end, gu the fixed cylinder upper end surface slip cover is equipped with the change, gu the fixed cylinder is interior the upper end be equipped with the internal screw thread go-between of change rigid coupling, lift post lower extreme is equipped with the external screw thread with go-between internal thread adaptation, the go-between outer peripheral face is equipped with the spacing ring, and gu the fixed cylinder inner peripheral surface be equipped with the annular of spacing ring adaptation.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. firstly, the lower end of a hydraulic dynamometer is placed in an arc-shaped groove at the bottom end in a hydraulic dynamometer support to be supported, then an adjusting bolt is rotated, the adjusting bolt drives a clamping plate to move downwards to clamp and fix the upper end of the hydraulic dynamometer, and meanwhile, the clamping plate is matched with a supporting spring to be used, so that the clamping stability of the clamping plate is improved, and the influence on the normal calibration and verification of the hydraulic dynamometer due to the unstable fixation of the hydraulic dynamometer is prevented;

2. the rotating ring is rotated to drive the connecting ring to rotate, the inner peripheral surface of the connecting ring is in threaded fit with the outer peripheral surface of the lifting column to drive the lifting column to lift in the fixed cylinder, so that the height of the lifting leg is adjusted, and the device is suitable for uneven ground.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of a connection structure of the hydraulic dynamometer and the hydraulic dynamometer support of the present invention;

fig. 3 is a schematic view showing a connection structure between the instrument and the torque sensor seat of the present invention;

FIG. 4 is a schematic view of the lifting leg of the present invention;

FIG. 5 is an enlarged schematic view of a portion a in FIG. 3;

wherein: 1. a work table; 2. a drive motor; 3. a motor base; 4. a torque sensor; 5. a connecting shaft; 6. a coupling; 7. a hydraulic dynamometer; 8. a torque sensor mount; 9. a display instrument; 10. a hydraulic dynamometer support; 11. an arc-shaped slot; 12. a clamping plate; 13. adjusting the bolt; 14. a support spring; 15. a slider; 16. a fixing groove; 17. lifting legs; 171. a lifting column; 172. a fixed cylinder; 173. rotating the ring; 174. a connecting ring; 175. a limit ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and fig. 2, the utility model provides a hydraulic dynamometer calibration device, including the driving motor 2 that sets up in the 1 upper end of workstation coaxially in proper order, torque sensor 4, connecting axle 5, shaft coupling 6 and hydraulic dynamometer 7, the hydraulic dynamometer 7 outer end is equipped with the hydraulic dynamometer support 10 of rigid coupling at the 1 upside of workstation, hydraulic dynamometer 7 runs through the inside of hydraulic dynamometer support 10, and the inside bottom side of hydraulic dynamometer support 10 is equipped with the arc wall 11 with the adaptation of hydraulic dynamometer 7 lower extreme, hydraulic dynamometer support 10 upper end bolt runs through has adjusting bolt 13, adjusting bolt 13 lower extreme bearing is connected with the grip block 12 with the adaptation of hydraulic dynamometer 7 upper end, the rigid coupling has supporting spring 14 between grip block 12 upside both ends and the hydraulic dynamometer support 10 interior roof;

the torque sensor 4 is in transmission connection with the output shaft of the driving motor 2, then the torque sensor 4 is connected with the hydraulic dynamometer 7 through the connecting shaft 5 and the coupler 6, firstly, the lower end of the hydraulic dynamometer 7 is placed in the arc-shaped groove 11 at the bottom end in the hydraulic dynamometer support 10 to be supported, then the adjusting bolt 13 is rotated, the adjusting bolt 13 drives the clamping plate 12 to move downwards to clamp and fix the upper end of the hydraulic dynamometer 7, meanwhile, the clamping plate 12 is matched with the supporting spring 14 to be used, the clamping stability of the clamping plate 12 is improved, the hydraulic dynamometer 7 is prevented from being fixed and unstable, and the normal calibration and verification of the hydraulic dynamometer 7 are influenced.

As shown in fig. 1, 3 and 5, in the embodiment, a torque sensor seat 8 fixedly connected to a worktable 1 is disposed at a lower end of a torque sensor 4, a display instrument 9 connected to the torque sensor 4 through a wire is slidably connected to a surface of the torque sensor seat 8, sliders 15 are symmetrically and fixedly connected to one side of the display instrument 9 close to the torque sensor seat 8, and a fixing groove 16 adapted to the sliders 15 is disposed at one side of the torque sensor seat 8;

through display instrument 9's setting, be convenient for to torque sensor 4 detection torque's demonstration, and then be convenient for operator's observation, and through the cooperation of slider 15 and fixed slot 16, be convenient for display instrument 9's dismantlement and installation.

As shown in fig. 1, the embodiment discloses that a motor base 3 is arranged at the lower end of a driving motor 2, and the motor base 3, a torque sensor base 8 and a hydraulic dynamometer support 10 are all fixedly connected with a workbench 1 through bolts;

the motor base 3, the torque sensor base 8 and the hydraulic dynamometer support 10 are convenient to disassemble and assemble with the workbench 1, and then the device is convenient to maintain and transport.

As shown in fig. 1 and 4, in the embodiment, the lower side of the working table 1 is symmetrically provided with the lifting legs 17, each lifting leg 17 comprises a lifting column 171 and a fixed cylinder 172, the lower end of the lifting column 171 is located inside the upper end of the fixed cylinder 172, the upper end surface of the fixed cylinder 172 is slidably sleeved with a rotating ring 173, the upper end inside the fixed cylinder 172 is provided with a connecting ring 174 fixedly connected with an internal thread of the rotating ring 173, the lower end of the lifting column 171 is provided with an external thread adapted to the internal thread of the connecting ring 174, the outer peripheral surface of the connecting ring 174 is provided with a limit ring 175, and the inner peripheral surface of the fixed cylinder 172 is provided with a ring groove adapted to the limit ring 175;

an operator rotates the rotating ring 173, the rotating ring 173 drives the connecting ring 174 to rotate, the inner circumferential surface of the connecting ring 174 is in threaded fit with the outer circumferential surface of the lifting column 171 to drive the lifting column 171 to lift in the fixed cylinder 172, so that the height of the lifting leg 17 is adjusted, and the device is suitable for uneven ground.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Hydraulic dynamometer calibration device, including coaxial setting in proper order in driving motor (2), torque sensor (4), connecting axle (5), shaft coupling (6) and hydraulic dynamometer (7) of workstation (1) upper end, its characterized in that: waterpower dynamometer (7) outer end is equipped with the water conservancy dynamometer support (10) of rigid coupling in workstation (1) upside, inside that water conservancy dynamometer support (10) is run through in water conservancy dynamometer support (7), and the inside bottom side of water conservancy dynamometer support (10) is equipped with arc wall (11) with water conservancy dynamometer (7) lower extreme adaptation, water conservancy dynamometer support (10) upper end bolt runs through there is adjusting bolt (13), adjusting bolt (13) lower extreme bearing be connected with grip block (12) of water conservancy dynamometer (7) upper end adaptation.

2. The hydraulic dynamometer calibration device of claim 1, wherein: and a supporting spring (14) is fixedly connected between the two ends of the upper side of the clamping plate (12) and the inner top wall of the hydraulic dynamometer support (10).

3. The hydraulic dynamometer calibration device of claim 1, wherein: the lower end of the torque sensor (4) is provided with a torque sensor seat (8) fixedly connected with the workbench (1), and the surface of the torque sensor seat (8) is connected with a display instrument (9) connected with the torque sensor (4) through a wire in a sliding manner.

4. The hydraulic dynamometer calibration device of claim 3, wherein: the torque sensor is characterized in that sliding blocks (15) are symmetrically and fixedly connected to one side, close to the torque sensor seat (8), of the display instrument (9), and fixing grooves (16) matched with the sliding blocks (15) are formed in one side of the torque sensor seat (8).

5. The hydraulic dynamometer calibration device of claim 3, wherein: the hydraulic dynamometer is characterized in that a motor base (3) is arranged at the lower end of the driving motor (2), and the motor base (3), the torque sensor base (8) and the hydraulic dynamometer support (10) are fixedly connected with the workbench (1) through bolts.

6. The hydraulic dynamometer calibration device of claim 1, wherein: lifting legs (17) are symmetrically arranged on the lower side of the workbench (1).

7. The hydraulic dynamometer calibration device of claim 6, wherein: lifting leg (17) are including lifting column (171) and solid fixed cylinder (172), lifting column (171) lower extreme is located inside solid fixed cylinder (172) upper end, gu fixed cylinder (172) upper end surface slip cover is equipped with swivel (173), gu fixed cylinder (172) interior upper end be equipped with swivel (173) rigid coupling internal screw thread go-between (174), lifting column (171) lower extreme is equipped with the external screw thread with go-between (174) internal screw thread adaptation, go-between (174) outer peripheral face is equipped with spacing ring (175), and gu fixed cylinder (172) inner peripheral face is equipped with the annular with spacing ring (175) adaptation.

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