CN213239319U

CN213239319U - Disc dynamometer measurement calibrating device

Info

Publication number: CN213239319U
Application number: CN202021656003.8U
Authority: CN
Inventors: 王东; 张兴华; 卢小林
Original assignee: Sichuan Jingzhun Inspection And Testing Group Co ltd
Current assignee: Sichuan Jingzhun Inspection And Testing Group Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-18
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a disc dynamometer measurement calibrating device, concretely relates to dynamometer field, comprising a base plate, the bottom plate top is provided with solid fixed ring, gu fixed ring is inside to be provided with the inner ring, the inner ring top is provided with the apron, gu fixed ring both sides all are provided with the perforation, the inner ring both sides all are provided with the hole, the inside bull stick that is provided with of perforation, bull stick one end is passed in proper order and is perforated and the hole and extend to the inner ring inside, bull stick one end is provided with the screw cap, bull stick one end is provided with first fixture block, it all is provided with first draw-in groove to perforate and the hole both sides, first draw-in groove and first fixture block phase-match, gu fixed ring all is provided. The utility model discloses a pull the dismouting of piece, make the calibration of dynamometer only need dismantle pull the piece with fixed pipe and change rather than the spring of being connected can, operation process is simple easily to get up, has reduced the waste of resource.

Description

Disc dynamometer measurement calibrating device

Technical Field

The utility model belongs to the technical field of the dynamometer, especially, relate to a disc dynamometer measurement calibrating device.

Background

The disk dynamometer is a commonly used experimental instrument in physics teaching, the core component of the disk dynamometer is a metering calibration device positioned in the center of a disk, and the force measurement function attribute of the disk dynamometer requires that the metering calibration device is stressed uniformly and has high accuracy. At present, the measuring and calibrating device adopts a spring structure, and the applied constant torque force realizes the display from the stress weight to the disc reading.

However, in actual use, the dynamometer is calibrated and inconvenient, and when an error occurs, the dynamometer is usually discarded and replaced by a new dynamometer, so that great resource waste is generated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a disc dynamometer measurement calibrating device, through the dismouting that draws the piece, make the calibration of dynamometer only need dismantle draw the piece with fixed pipe and change rather than the spring of being connected can, the simple easy first-hand of operation process has reduced the waste of resource, aims at solving the above-mentioned dynamometer calibration problem that exists.

The utility model discloses a realize like this, the utility model provides a following technical scheme: a disc dynamometer metering and calibrating device comprises a bottom plate, wherein a fixing ring is arranged at the top of the bottom plate, an inner ring is arranged in the fixing ring, a cover plate is arranged at the top of the inner ring, through holes are formed in two sides of the fixing ring, holes are formed in two sides of the inner ring, a rotating rod is arranged in the through holes, one end of the rotating rod sequentially penetrates through the through holes and the holes and extends into the inner ring, a screw cap is arranged at one end of the rotating rod, a first clamping block is arranged at one end of the rotating rod, first clamping grooves are formed in two sides of the through holes and the holes, the first clamping grooves are matched with the first clamping blocks, through holes are formed in one sides of the fixing ring and the inner ring, a connecting rod is arranged in each through hole, a pull ring is arranged at one end of the connecting rod, the outer wall of the telescopic pipe is provided with a spring, one end of the spring is fixedly connected with the pulling block, the top of the telescopic pipe is provided with a first groove, and a first fixing rod is arranged in the first groove.

In a preferred embodiment, the two sides of the pulling block are both provided with second clamping blocks, the two sides of the pulling block are both provided with sliding rods, one end of each sliding rod is provided with a second clamping groove, the second clamping groove is matched with the second clamping blocks, one end of each sliding rod is provided with a sliding groove, and the two sides of each sliding groove are both provided with second fixing rods.

In a preferred embodiment, a second groove is formed in the bottom of the pulling block, threads are formed in the inner wall of the second groove, threads are formed in one end of the connecting rod, and the second groove is detachably connected with the connecting rod through the threads.

In a preferred embodiment, the first groove is internally provided with threads, the outer wall of the first fixing rod is provided with threads, and the first groove is detachably connected with the first fixing rod through the threads.

In a preferred embodiment, a plurality of the second fixing rods are fixedly connected with the inner ring.

In a preferred embodiment, the base plate is fixedly connected to the fixing ring, and the cover plate is fixedly connected to the inner ring.

In a preferred embodiment, the cover plate is made of a transparent glass material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. compared with the prior art, when the dynamometer is inaccurate, the screw cap is screwed, the screw cap rotates to drive the rotating rod to rotate, the rotating rod rotates to enable the first clamping block to rotate, the first clamping block rotates to a position matched with the first clamping groove, the rotating rod is pulled out outwards, the first clamping block moves in the first clamping groove, one end of the rotating rod sequentially penetrates through the hole and the through hole, the rotating rods on two sides are taken out, the inner ring is sleeved in the fixed ring, the bottom plate is pulled, the fixed ring is separated from the inner ring, the inner part of the inner ring can be directly contacted, the second clamping block is separated from the second clamping groove, the pull block is separated from the sliding rod, the telescopic pipe is screwed, the pull block and the telescopic pipe rotate together, the telescopic pipe and the pull block are separated and taken out from the inner ring, the spring on the telescopic pipe and the pull block is replaced, so that the spring recovers the elasticity again, the accuracy of the dynamometer is calibrated, the calibration process is simpler and easier to operate, and the calibration efficiency is higher;

2. compared with the prior art, drive the connecting rod when the pull ring is pulled and remove, the connecting rod drives and draws the piece and remove, draws the piece to drive the slide bar and remove, and the slide bar slides in the spout to the messenger draws the piece and can not rock because of the power direction change that the pull ring received, makes and draws the piece and can only reciprocate and only detect upper and lower power, makes the dynamometer detect the accuracy higher, has improved the life of dynamometer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the telescopic tube structure of the present invention.

Fig. 3 is a schematic view of the fixing ring structure of the present invention.

Fig. 4 is a perspective view of the present invention.

Fig. 5 is a schematic view of the pulling block structure of the present invention.

In the figure: 1. the device comprises a bottom plate 2, a fixing ring 3, an inner ring 4, a cover plate 5, a through hole 6, a hole 7, a rotating rod 8, a screwing cover 9, a first clamping block 10, a first clamping groove 11, a through hole 12, a connecting rod 13, a pull ring 14, a pull block 15, a telescopic rod 16, a telescopic pipe 17, a spring 18, a first groove 19, a first fixing rod 20, a second clamping block 21, a sliding rod 22, a second clamping groove 23, a sliding groove 24, a second fixing rod 25 and a second groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The measuring and calibrating device of the disc dynamometer shown in the attached figures 1-5 comprises a bottom plate 1, a fixing ring 2 is arranged on the top of the bottom plate 1, an inner ring 3 is arranged inside the fixing ring 2, a cover plate 4 is arranged on the top of the inner ring 3, through holes 5 are arranged on both sides of the fixing ring 2, holes 6 are arranged on both sides of the inner ring 3, a rotating rod 7 is arranged inside the through hole 5, one end of the rotating rod 7 sequentially penetrates through the through holes 5 and the holes 6 and extends into the inner ring 3, a screw cap 8 is arranged on one end of the rotating rod 7, a first clamping block 9 is arranged on one end of the rotating rod 7, first clamping grooves 10 are arranged on both sides of the through holes 5 and the holes 6, the first clamping grooves 10 are matched with the first clamping blocks 9, through holes 11 are arranged on one sides of the fixing ring 2 and the inner ring 3, a connecting rod 12 is arranged inside, an extension tube 16 is arranged at the top of the extension tube 15, a spring 17 is arranged on the outer wall of the extension tube 16, one end of the spring 17 is fixedly connected with the pull block 14, a first groove 18 is arranged at the top of the extension tube 16, and a first fixing rod 19 is arranged in the first groove 18.

Further, draw piece 14 both sides and all be provided with second fixture block 20, draw piece 14 both sides and all be provided with slide bar 21, slide bar 21 one end is provided with second draw-in groove 22, second draw-in groove 22 and second fixture block 20 phase-match, slide bar 21 one end is provided with spout 23, spout 23 both sides all are provided with second dead lever 24, so that draw piece 14 when removing slide bar 21 of both sides can follow and draw piece 14 to slide, can not block, also fixed and draw piece 14, make the dynamometer more accurate.

Further, draw the piece 14 bottom to be provided with second recess 25, second recess 25 inner wall is equipped with the screw thread, and connecting rod 12 one end is equipped with the screw thread, and second recess 25 passes through the screw thread with connecting rod 12 and can dismantle the connection to also can conveniently dismantle when making to draw piece 14 and connecting rod 12 direct fixed connection.

Furthermore, threads are arranged inside the first groove 18, threads are arranged on the outer wall of the first fixing rod 19, and the first groove 18 and the first fixing rod 19 are detachably connected through the threads, so that the telescopic pipe 16 is fixed on the inner ring 3, shaking cannot occur during force measurement, and the force measurement is more accurate.

Furthermore, a plurality of second dead levers 24 all with inner ring 3 fixed connection to with spout 23 and inner ring 3 fixed connection, reduced the shake of drawing piece 14, restricted the moving direction who draws piece 14, make the power that pull ring 13 received can not produce the dispersion because of the direction, improved the precision of dynamometry.

Further, bottom plate 1 and solid fixed ring 2 fixed connection, apron 4 and inner ring 3 fixed connection to can directly stimulate apron 4 and bottom plate 1 can be with solid fixed ring 2 and the separation of inner ring 3, make the operation simple convenient and fast more.

Further, apron 4 is made by transparent glass material to can see dynamometry numerical value directly through apron 4, change the accurate degree of judging the dynamometer.

The utility model discloses the theory of operation: when the dynamometer is detected to be inaccurate, the screw cap 8 is screwed, the screw cap 8 rotates to drive the rotating rod 7 to rotate, the rotating rod 7 rotates to enable the first clamping block 9 to rotate, the first clamping block 9 rotates to a position matched with the first clamping groove 10, the rotating rod 7 is pulled out outwards, the first clamping block 9 moves in the first clamping groove 10, one end of the rotating rod 7 sequentially penetrates through the hole 6 and the through hole 5, the rotating rods 7 on two sides are taken out, the inner ring 3 is sleeved in the fixing ring 2, the bottom plate 1 is pulled, the fixing ring 2 is separated from the inner ring 3, the inner part of the inner ring 3 can be directly contacted, the second clamping block 20 is separated from the second clamping groove 22, the pull block 14 is separated from the sliding rod 21, the telescopic pipe 16 is screwed to enable the pull block 14 and the telescopic pipe 16 to rotate together, because the telescopic pipe 16 and the first fixing rod 19 are detachably connected through threads, and the pull block 14 and the connecting rod 12 are detachably connected through threads, so that the telescopic pipe 16 and the, the spring 17 on the extension tube 16 and the pull block 14 is replaced, so that the spring 17 recovers elasticity again, the accuracy of the dynamometer is calibrated, the dynamometer can be calibrated by simply disassembling and replacing the spring 17, the calibration process is simpler and easier to get on hand, and the calibration efficiency is higher.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A disc dynamometer measurement calibrating device, characterized in that: comprises a bottom plate, wherein a fixed ring is arranged at the top of the bottom plate, an inner ring is arranged in the fixed ring, a cover plate is arranged at the top of the inner ring, through holes are arranged at two sides of the fixed ring, a rotating rod is arranged in the through holes, one end of the rotating rod sequentially penetrates through the through holes and the holes and extends into the inner ring, a screw cap is arranged at one end of the rotating rod, a first clamping block is arranged at one end of the rotating rod, first clamping grooves are arranged at two sides of the through holes and the holes, the first clamping grooves are matched with the first clamping blocks, through holes are arranged at one sides of the fixed ring and the inner ring, a connecting rod is arranged in the through holes, a pull ring is arranged at one end of the connecting rod, a pull block is arranged at one end of the connecting rod, a telescopic, one end of the spring is fixedly connected with the pulling block, a first groove is formed in the top of the telescopic pipe, and a first fixing rod is arranged in the first groove.

2. A disc dynamometer measurement calibration apparatus according to claim 1, characterized by: the pull block is characterized in that second clamping blocks are arranged on two sides of the pull block, sliding rods are arranged on two sides of the pull block, a second clamping groove is formed in one end of each sliding rod, the second clamping grooves are matched with the second clamping blocks, a sliding groove is formed in one end of each sliding rod, and second fixing rods are arranged on two sides of each sliding groove.

3. A disc dynamometer measurement calibration apparatus according to claim 1, characterized by: the pull block bottom is provided with the second recess, second recess inner wall is equipped with the screw thread, connecting rod one end is equipped with the screw thread, the second recess passes through the screw thread with the connecting rod and can dismantle the connection.

4. A disc dynamometer measurement calibration apparatus according to claim 1, characterized by: the first groove is internally provided with threads, the outer wall of the first fixed rod is provided with threads, and the first groove is detachably connected with the first fixed rod through the threads.

5. A disc dynamometer measurement calibration apparatus according to claim 2, characterized by: and the second fixing rods are fixedly connected with the inner ring.

6. A disc dynamometer measurement calibration apparatus according to claim 1, characterized by: the bottom plate is fixedly connected with the fixing ring, and the cover plate is fixedly connected with the inner ring.

7. A disc dynamometer measurement calibration apparatus according to claim 1, characterized by: the cover plate is made of transparent glass materials.