CN210400664U

CN210400664U - Strain type dynamometer

Info

Publication number: CN210400664U
Application number: CN201921939201.2U
Authority: CN
Inventors: 黎健南; 谢儒铭; 赵香芳; 王通; 吴祥任
Original assignee: Hainan Botest Measurement And Testing Technology Co Ltd
Current assignee: Hainan Botest Measurement And Testing Technology Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-04-24
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a strain dynamometer, which comprises a dynamometer, a data line and a strain gauge, wherein the dynamometer is connected with the strain gauge through the data line, the dynamometer is used for measuring the detection data of the strain gauge, the strain dynamometer further comprises a first connecting rope and a supporting disk, one end of the first connecting rope is fixedly connected with the dynamometer, the other end of the first connecting rope is fixedly connected with the supporting disk, the periphery of the supporting disk is provided with a plurality of chutes which are not communicated with each other, a slider is arranged in each chute, the surface of the slider is provided with a second connecting rope which is fixedly connected with the slider, the other end of the second connecting rope is provided with a sucker which is fixedly connected with the second connecting rope, one side of the supporting disk is provided with a spring which is fixedly connected with the supporting disk, the other end of the spring is provided with a pressing plate which is fixedly connected with the spring and has elasticity, and the strain gauge can be tightly attached to a tested object, the continuity of detection is ensured, so that the detection data can be ensured to be more accurate and comprehensive.

Description

Strain type dynamometer

Technical Field

The utility model belongs to dynamometry equipment, concretely relates to strain gauge dynamometer.

Background

When the anchor rod made of glass fiber reinforced plastic and other products are used for measuring force, the strain gauge needs to be attached to the surface of the anchor rod, by applying external force, the anchor rod generates certain deformation, so that the strain gauge can generate certain deformation along with the deformation of the anchor rod, then the resistance of the strain gauge is changed through the deformation of the strain gauge, and then the variable quantity of the resistance can be measured through the dynamometer, the change of the resistance is proportional to the strain of the anchor rod, thereby realizing the condition of measuring the strain quantity of the anchor rod, so as to be convenient for detecting whether the quality of the produced anchor rod can meet the requirement, but the prior strain gauge can cause overlarge deformation of the anchor rod due to overlarge deformation when being attached to the anchor rod, therefore, the phenomenon of falling is easy to occur, the detection continuity is influenced, and all data cannot be collected in time, so that the condition of inaccurate detection data is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that can provide one kind can ensure the continuity that detects with comparatively inseparable laminating of foil gage on receiving the measuring object, consequently can ensure to detect a strain gauge that data is comparatively accurate and comprehensive.

The utility model discloses a strain gauge dynamometer, including dynamometer, data line and foil gage, the dynamometer passes through the data line with the foil gage is connected, the dynamometer is used for measuring the detection data of foil gage still includes first connecting rope and supporting disk, the one end of first connecting rope with dynamometer fixed connection, the other end of first connecting rope with supporting disk fixed connection, the periphery of supporting disk is equipped with a plurality of spouts that do not communicate each other, be equipped with the slider in the spout, the surface of slider is equipped with fixed connection's second connecting rope with it, the other end that the second connected rope is equipped with fixed connection's sucking disc with it, one side of supporting disk is equipped with fixed connection's spring with it, the other end of spring is equipped with fixed connection's clamp plate with it.

Preferably, the outer periphery of the spring is sleeved with a sleeve, and one end of the sleeve is fixedly connected with the supporting plate.

Preferably, one side of the second connecting rope is provided with a sub-buckle of the magic buckle, and the other side of the second connecting rope is provided with a female buckle of the magic buckle.

Preferably, the other side of the supporting plate is provided with a handle fixedly connected with the supporting plate.

Preferably, the second is connected the rope with be equipped with the connecting rod between the sucking disc, the one end of connecting rod with sucking disc fixed connection, the other end of connecting rod with second is connected rope fixed connection, the surface cover of connecting rod has the lantern ring, the lantern ring with can rotate relatively between the connecting rod, the side of the lantern ring is equipped with its fixed connection's cloth.

Preferably, the connecting rod is provided with a limiting block for limiting the lantern ring to perform linear motion.

The beneficial effects of the utility model reside in that:

the utility model discloses a strain dynamometer, through with the foil gage laminating on being surveyed the object, then can exert the effort to being surveyed the object to carry out corresponding collection through dynamometer and data line and cooperation with the produced resistance change data of deformation of foil gage, when needs further improve foil gage and being surveyed the object's laminating compactness, slide slider in the spout of supporting disk periphery, thereby can adjust the position of arranging of second connecting rope according to actual need, then through with the clamp plate aim at the foil gage and compress tightly, then through adjusting the sucking disc is being surveyed the object or other specific positions that are used for providing the object of adsorption point, can adjust the clamp force of clamp plate to the foil gage, avoid the foil gage to drop from being surveyed the object and influence measuring accuracy, when needs comparatively inseparable compress tightly the foil gage, the strain gauge is pressed through the pressing plate, so that the compression amount of the spring is constant, then the second connecting rope is pulled to be in a tightening state, then the sucker can be adsorbed on an attachment point, the fixing work of the strain gauge is completed, when the pressing force needs to be reduced, the second connecting rope can be loosened, the distance between the sucker and the supporting plate is reduced, the compression amount of the spring is reduced, the restoring force of the spring is reduced, the pressure of the pressing plate on the strain gauge is reduced, and therefore the detection continuity can be effectively guaranteed through the device, and the follow-up detection data are accurate and comprehensive.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic view of an overall structure of a first embodiment of a strain gauge according to the present invention;

fig. 2 is a schematic view of the overall structure of a second embodiment of the strain gauge of the present invention.

In the figure, 1 is the dynamometer, 2 is the data line, 3 is the foil gage, 4 is first connecting rope, 5 is the supporting disk, 6 is the spout, 7 is the slider, 8 is the second connecting rope, 9 is the sucking disc, 10 is the spring, 11 is the clamp plate, 12 is the sleeve, 13 is the son knot, 14 is the box, 15 is the handle, 16 is the connecting rod, 17 is the lantern ring, 18 is the cloth, 19 is the stopper.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Example one

Referring to fig. 1, the strain gauge of the present invention comprises a force measuring device 1, a data line 2 and a strain gauge 3, wherein the force measuring device 1 is connected to the strain gauge 3 through the data line 2, the force measuring device 1 is used for measuring the detection data of the strain gauge 3, and further comprises a first connecting rope 4 and a supporting plate 5, one end of the first connecting rope 4 is fixedly connected to the force measuring device 1, the other end of the first connecting rope 4 is fixedly connected to the supporting plate 5, a plurality of chutes 6 which are not communicated with each other are arranged on the periphery of the supporting plate 5, a slider 7 is arranged in each chute 6, a second connecting rope 8 fixedly connected to the slider 7 is arranged on the surface of the slider 7, a sucking disc 9 fixedly connected to the second connecting rope 8 is arranged at the other end of the second connecting rope 8, a spring 10 fixedly connected to the supporting plate 5 is arranged on one side of the supporting plate 5, and a pressing plate 11 fixedly connected to the other end of the spring 10 is arranged, by attaching the strain gauge 3 to an object to be measured, acting force can be applied to the object to be measured, so that resistance change data generated by deformation of the strain gauge 3 is correspondingly collected through the dynamometer 1, the data line 2 and the matching, when the attaching tightness of the strain gauge 3 and the object to be measured needs to be further improved, the sliding block 7 in the sliding groove 6 at the periphery of the supporting plate 5 is slid, so that the arrangement position of the second connecting rope 8 can be adjusted according to actual needs, then the pressing plate 11 is aligned and pressed against the strain gauge 3, then the specific position of the object to be measured or other objects for providing an adsorption point is adjusted through the sucking disc 9, the pressing force of the pressing plate 11 on the strain gauge 3 can be adjusted, the strain gauge 3 is prevented from falling from the object to be measured, the measuring accuracy is not affected, and when the strain gauge 3 needs to be tightly pressed, the strain gauge 3 is pressed through the pressing plate 11, so that the compression amount of the spring 10 is constant, then the second connecting rope 8 is pulled to be in a tightening state, then the sucker 9 can be adsorbed on an attachment point, and therefore the fixing work of the strain gauge 3 is completed, when the tightening force needs to be reduced, the second connecting rope 8 can be loosened, so that the distance between the sucker 9 and the supporting plate 5 is reduced, the compression amount of the spring 10 is reduced, the restoring force of the spring 10 is also reduced, and the pressure of the pressing plate 11 borne by the strain gauge 3 is reduced, so that the detection continuity can be effectively ensured through the use of the device, and the accuracy and the completeness of subsequent detection data are ensured.

Example two

Referring to fig. 2, the difference between the first embodiment and the second embodiment is that a sleeve 12 is sleeved on the outer periphery of the spring 10, one end of the sleeve 12 is fixedly connected with the support plate 5, and because the pressing plate 11 is tightly attached to the strain gauge 3, the moment applied to one side of the spring 10, which is far away from the strain gauge 3, can be prevented from being large due to the limiting effect of the sleeve 12 on the spring 10 when the strain gauge 3 is subjected to a friction force, so that the pressing effect of the pressing plate 11 is affected due to the too large inclination of the spring 10, and the pressing effect of the device can be ensured.

Specifically, one side of the second connection rope 8 is equipped with the son of magic buckle and detains 13, the opposite side of the second connection rope 8 is equipped with the box 14 of magic buckle, through the cooperation between son and box 14 is detained for this device can twine and laminate each other when not needing to use the periphery of supporting disk 5 reduces the condition that the rope 8 was knotted is connected to the second, reduces the work of untiing of during operation, improves work efficiency.

Specifically, the other side of the supporting plate 5 is provided with a handle 15 fixedly connected with the supporting plate, and the supporting plate 5 can be conveniently held by a worker through the handle 15, so that the device is convenient to use.

Specifically, the second is connected the rope 8 with be equipped with connecting rod 16 between the sucking disc 9, connecting rod 16 one end with sucking disc 9 fixed connection, connecting rod 16 the other end with second is connected rope 8 fixed connection, the surface cover of connecting rod 16 has lantern ring 17, lantern ring 17 with can rotate relatively between the connecting rod 16, the side of lantern ring 17 is equipped with its fixed connection's cloth, will sucking disc 9 adsorbs before the adsorption point, with the help of cloth 18 on the lantern ring 17 can with the adsorption point of sucking disc 9 is cleaned earlier, thereby avoids the dust to influence the adsorption affinity of sucking disc 9, then can also rotate according to actual need the lantern ring 17 can be more effective and convenient clean.

Specifically, be equipped with on connecting rod 16 and be used for restricting lantern ring 17 carries out rectilinear motion's stopper 19, through stopper 19's effect, can avoid lantern ring 17 is in make a round trip the landing to on the connecting rod 16 on the second is connected on the rope 8 to it needs before the use with the complicated operation work that lantern ring 17 resumeed to the normal position and leads to reduce this device.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a strain gauge, includes dynamometer, data line and foil gage, the dynamometer passes through the data line with the foil gage is connected, the dynamometer is used for measuring the detection data of foil gage, its characterized in that still includes first connecting rope and supporting disk, the one end of first connecting rope with dynamometer fixed connection, the other end of first connecting rope with supporting disk fixed connection, the periphery of supporting disk is equipped with a plurality of spouts that do not communicate with each other, be equipped with the slider in the spout, the surface of slider is equipped with fixed connection's second connecting rope with it, the other end that the second connected rope is equipped with fixed connection's sucking disc with it, one side of supporting disk is equipped with fixed connection's spring with it, the other end of spring is equipped with fixed connection with it and has elastic clamp plate.

2. The strain gauge according to claim 1, wherein a sleeve is sleeved on an outer circumference of the spring, and one end of the sleeve is fixedly connected with the support plate.

3. The strain gauge according to claim 1, wherein one side of the second connecting string is provided with a male buckle of a magic buckle, and the other side of the second connecting string is provided with a female buckle of a magic buckle.

4. A strain gauge according to claim 1, wherein the other side of the support plate is provided with a handle fixedly connected thereto.

5. The strain dynamometer of claim 1, wherein a connecting rod is disposed between the second connecting rope and the sucker, one end of the connecting rod is fixedly connected with the sucker, the other end of the connecting rod is fixedly connected with the second connecting rope, a sleeve ring is sleeved on the surface of the connecting rod, the sleeve ring and the connecting rod can rotate relative to each other, and a cloth strip fixedly connected with the sleeve ring is disposed on the side surface of the sleeve ring.

6. The strain gauge according to claim 5, wherein the connecting rod is provided with a stopper for limiting the collar to perform linear movement.