CN215893854U

CN215893854U - Rotating shaft torque measuring device

Info

Publication number: CN215893854U
Application number: CN202121746295.9U
Authority: CN
Inventors: 杨江雄; 杨岐
Original assignee: Jiangsu Paiwo Energy Development Co ltd
Current assignee: Jiangsu Paiwo Energy Development Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-22
Anticipated expiration: 2031-07-29

Abstract

The utility model provides a rotating shaft torque measuring device which comprises a support arranged below a rotating shaft, wherein a supporting flat plate is arranged above the support, the supporting flat plate is positioned on the upper side of the rotating shaft and can move up and down in the vertical direction, a sliding groove is formed in the supporting flat plate, a sliding block is arranged in the sliding groove and connected with a spring, the other end of the spring is connected with a tension sensor, a through hole penetrating through the sliding groove is formed in the bottom of the sliding groove, a rack is arranged at the bottom of the sliding block along the length direction of the through hole and positioned in the through hole, a gear is sleeved on the rotating shaft, and the gear is meshed with the rack. According to the utility model, the gear is sleeved on the rotating shaft and is arranged on the rack meshed with the gear, so that the rotation of the rotating shaft is converted into the linear motion of the sliding block, and further the tension on the spring when the sliding block moves is measured, so that the torque of the rotating shaft is obtained, the measuring mode is simple and convenient, and the result is accurate; simple structure, the using-way is convenient fast, does not cause the damage to the pivot.

Description

Rotating shaft torque measuring device

Technical Field

The utility model belongs to the technical field of mechanical measuring equipment, and relates to a rotating shaft torque measuring device.

Background

The transmission torque of the rotating shaft is detected in real time, and the conventional method is to disconnect the original transmission shaft and clamp the torque transmitter for mounting the rotating shaft in the middle. The strain foil of the transducer rotates together with the rotating shaft and transmits torque; the required energy is transmitted by the transformer principle; the transmission of signals is achieved by electromagnetic waves. Therefore, the structure is complicated and the purchase cost is high. And the method is not practical in some use occasions with low requirement on measurement precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotating shaft torque measuring device aiming at the problems in the prior art.

Therefore, the utility model adopts the following technical scheme:

the utility model provides a pivot torque measuring device, is including setting up in the support of pivot below, the top of support is equipped with the support flat board, the support flat board is located the pivot upside, and the support flat board can reciprocate in vertical direction, be equipped with the spout on the support flat board, be equipped with the slider in the spout, the slider can remove in the spout, the slider is connected with the spring, the spring sets up along spout length direction, and the other end of spring is connected with force sensor, force sensor is fixed in on the support flat board, the bottom of spout is equipped with the through-hole that runs through the spout along spout length direction, the bottom of slider is equipped with the rack along through-hole length direction, the rack is located the through-hole, the cover is equipped with the gear in the pivot, the wheel meshes with the rack mutually.

Further, the cover is equipped with the axle sleeve in the pivot, the diameter of axle sleeve is greater than the diameter of pivot, and the axle sleeve is established along its circumference and is equipped with a plurality of first screw, install the screw in the first screw, the inner of screw support lean on with the pivot, the one end of axle sleeve and the end connection of gear.

Furthermore, the shaft sleeve is provided with 3-6 first screw holes along the circumferential direction.

Further, be equipped with a plurality of sleeves that are vertical setting on the support, be equipped with the bracing piece that can remove in the sleeve, telescopic lateral wall is equipped with the second screw, be equipped with the bolt that is used for fixed support rod position in the second screw, the top and the dull and stereotyped lower surface of support of bracing piece are connected.

Further, the support flat plate is horizontally arranged.

The utility model has the beneficial effects that: the gear is sleeved on the rotating shaft and is arranged on the rack meshed with the gear, the rotation of the rotating shaft is converted into the linear motion of the sliding block, and the tension on the spring when the sliding block moves is measured, so that the torque of the rotating shaft is obtained, the measuring method is simple and convenient, and the result is accurate; simple structure, the using-way is convenient fast, does not cause the damage to the pivot.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic side view of the structure of the present invention;

FIG. 4 is a schematic top view of the structure of the present invention;

in the figure, 1-rotating shaft, 2-support, 3-support plate, 4-sliding chute, 5-sliding block, 6-spring, 7-tension sensor, 8-through hole, 9-rack, 10-gear, 11-shaft sleeve, 12-first screw hole, 13-screw, 14-sleeve, 15-support rod, 16-second screw hole and 17-bolt.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings:

as shown in fig. 1-4, a rotating shaft torque measuring device comprises a support 2 disposed below a rotating shaft 1 to be measured, a support plate 3 is disposed above the support 2, the support plate 3 is disposed horizontally, the support plate 3 is disposed on the upper side of the rotating shaft 1, the support plate 3 can move up and down in the vertical direction to ensure the distance between the support plate 3 and the rotating shaft 1, specifically, a plurality of vertically disposed sleeves 14 are disposed on the support 1, support rods 15 capable of moving in the sleeves 14 are disposed in the sleeves 14, second screw holes 16 are disposed on the side walls of the sleeves 14, bolts 17 for fixing the positions of the support rods 15 are disposed in the second screw holes 16, the top ends of the support rods 17 are connected with the lower surface of the support plate 3, a sliding groove 4 is disposed on the support plate 3, a sliding block 5 is disposed in the sliding groove 4, the sliding block 5 is capable of moving in the sliding groove 4, the sliding block 5 is connected with a spring 6, the spring 6 is disposed along the length direction of the sliding groove 4, the other end of the spring 6 is connected with a tension sensor 7, when the sliding block 5 moves, the tension sensor 7 can measure the tension of the spring 6 on the sliding block 5, the tension sensor 7 is fixed on the supporting flat plate 3, the bottom of the sliding groove 4 is provided with a through hole 8 penetrating through the sliding groove 4 along the length direction of the sliding groove, the bottom of the sliding block 5 is provided with a rack 9 along the length direction of the through hole 8, the rack 9 is positioned in the through hole 8, the rack 9 can move in the through hole 8 and drives the sliding block 5 to move in the sliding groove 4, the rotating shaft 1 is sleeved with a gear 10, the inner diameter of the gear 10 is larger than that of the rotating shaft 1, the gear 10 is meshed with the rack 9, the rotation of the gear 10 drives the rack 9 to move, specifically, the rotating shaft 1 is sleeved with a shaft sleeve 11, the diameter of the shaft sleeve 11 is larger than that of the rotating shaft 1, the shaft sleeve 11 is provided with a plurality of 3-6 first screw holes 12 along the circumferential direction, in this embodiment, 4 first screw holes 12 are provided, install screw 13 in the first screw 12, the inner of screw 13 support by on with pivot 1, be fixed in pivot 1 with axle sleeve 11 through screw 13 on, the end connection of axle sleeve 11 and gear 10, drive gear 10 through axle sleeve 11 promptly and rotate, axle sleeve 11 can prevent that pivot 1 from when rotating, gear 10 and pivot 1 produce and skid, the pivot of the different diameters of adaptation simultaneously.

The use mode of the utility model is as follows:

firstly, a shaft sleeve 11 and a gear 10 are sleeved on a rotating shaft 1 needing to measure torque, a screw 13 is screwed to fix the shaft sleeve 11, then a support 2 is placed at a corresponding position below the rotating shaft 1, the height of a supporting flat plate 3 is adjusted, a rack 9 is meshed with the gear 10, then the rotating shaft 1 rotates, the rotating shaft 1 drives the shaft sleeve 11 and the gear 10 to rotate, the gear 10 drives the rack 9 to move, the rack 9 drives a sliding block 5 to move in a sliding groove 4, the sliding block 5 applies pulling force to a spring 6 in the moving process, a pulling force sensor 7 measures the pulling force received by the spring 6 at the same time, the rotation of the rotating shaft is converted into the linear motion of the sliding block, further the torque of the rotating shaft is obtained, the whole measuring method is simple and convenient, the measuring result is accurate, when the rack 9 moves to the end part relative to the gear 10, the rack 9 is separated from the gear 10, and the rack 9 stops moving, the gear 10 is idle and prevents jamming from causing damage to the shaft 1.

Claims

1. The utility model provides a pivot torque measuring device, its characterized in that, is including setting up in the support of pivot below, the top of support is equipped with the support flat board, the support flat board is located the pivot upside, and the support flat board can reciprocate in vertical direction, be equipped with the spout on the support flat board, be equipped with the slider in the spout, the slider can remove in the spout, the slider is connected with the spring, the spring sets up along spout length direction, and the other end of spring is connected with force sensor, force sensor is fixed in on the support flat board, the bottom of spout is equipped with the through-hole that runs through the spout along spout length direction, the bottom of slider is equipped with the rack along through-hole length direction, the rack is located the through-hole, the cover is equipped with the gear in the pivot, wheel and rack mesh mutually.

2. The rotating shaft torque measuring device according to claim 1, wherein a shaft sleeve is sleeved on the rotating shaft, the diameter of the shaft sleeve is larger than that of the rotating shaft, a plurality of first screw holes are formed in the shaft sleeve along the circumferential direction of the shaft sleeve, screws are installed in the first screw holes, the inner ends of the screws are abutted against the rotating shaft, and one end of the shaft sleeve is connected with the end portion of the gear.

3. A rotary shaft torque measuring device as claimed in claim 2, wherein said sleeve is provided with 3-6 first screw holes along its circumference.

4. The rotating shaft torque measuring device according to claim 1, wherein the support is provided with a plurality of vertically arranged sleeves, the sleeves are internally provided with support rods capable of moving in the sleeves, the side walls of the sleeves are provided with second screw holes, the second screw holes are internally provided with bolts for fixing the positions of the support rods, and the top ends of the support rods are connected with the lower surface of the support flat plate.

5. A spindle torque measuring device as claimed in claim 1, in which the support plate is arranged horizontally.