CN210128783U - Holding force and deflection measuring device of electroscope - Google Patents
Holding force and deflection measuring device of electroscope Download PDFInfo
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- CN210128783U CN210128783U CN201921011250.XU CN201921011250U CN210128783U CN 210128783 U CN210128783 U CN 210128783U CN 201921011250 U CN201921011250 U CN 201921011250U CN 210128783 U CN210128783 U CN 210128783U
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Abstract
The utility model discloses a power and deflection measurement device are held to electroscope, be in including support frame, setting workstation, preceding support measuring mechanism and back support measuring mechanism on the support frame, preceding support measuring mechanism is including setting up power measuring subassembly and preceding support piece are held on the workstation, back support measuring mechanism is including sliding the setting and be in moving frame and setting on the support frame are in last deflection measuring subassembly and the back support piece of moving frame. The utility model discloses a power and deflection measurement device are held to electroscope, structural design is reasonable, and is simple to use, convenient operation, and can be applicable to the electroscope of different specifications, replace manual measurement, improved degree of automation, measuring result is more accurate, improves the electroscope and holds power and the experimental flexibility and the accuracy of deflection.
Description
Technical Field
The utility model relates to a holding power and amount of deflection measuring device of electroscope.
Background
The holding force and deflection tests are carried out according to the specification of DL/T740-.
During the test, the electroscope is horizontally placed through the two supports, and the support (front support) of the contact terminal electrode is arranged at a position 50mm away from the hand guard at the tail end of the handle. The distance between the two supports is used for simulating the distance between two hands, and the test arrangement is shown in figures 1-2, wherein figure 1 is the holding force and deflection test arrangement when the handle length of the electroscope is less than 1100mm, and figure 2 is the holding force and deflection test arrangement when the handle length of the electroscope is more than or equal to 1100 mm. The grip force is measured at the front support and should be less than 200N. When the holding force is measured, the electroscope bends due to self weight, and the deflection of the electroscope is not more than 10% of the total length of the electroscope. But no holding force and deflection measuring device of an integral electroscope exists on the market at present.
Disclosure of Invention
In view of the above, in order to overcome the defects of the prior art, the present invention is directed to a gripping force and deflection measuring device of an electroscope, which can realize accurate measurement of gripping force and deflection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the holding force and deflection measuring device of the electroscope comprises a support frame, a workbench arranged on the support frame, a front support measuring mechanism and a rear support measuring mechanism, wherein the front support measuring mechanism comprises a holding force measuring component and a front support piece arranged on the workbench, and the rear support measuring mechanism comprises a moving frame arranged on the support frame in a sliding manner, and a deflection measuring component and a rear support piece arranged on the moving frame. The fixed below that just is located electroscope of preceding support piece, back support piece can remove and be located electroscope, form the space that is used for fixed electroscope between preceding support piece and the back support piece, and the vertical plane at preceding support piece and back support piece place is parallel with moving frame's direction of movement, hold the measurement of power through holding power measuring component, carry out the measurement of amount of deflection through the amount of deflection measuring component, measuring device is simple to use, and can be applicable to the electroscope of different specifications, replace manual measurement, measuring result is more accurate.
Preferably, the movable frame comprises a first supporting rod and a second supporting rod which are respectively arranged on two sides of the workbench, the tops of the first supporting rod and the second supporting rod are connected through a cross rod, and the rear supporting piece is arranged on the cross rod.
More preferably, the deflection measuring assembly comprises a deflection indicator slidably disposed on the first support bar or the second support bar and a corresponding deflection measuring scale. The deflection measuring scale is provided with scales, and the distance of the deflection indicator moving can be obtained through the deflection measuring scale.
The deflection refers to the linear displacement of the axis of the rod piece in the direction vertical to the axis or the linear displacement of the middle surface of the plate shell in the direction vertical to the middle surface when the rod piece is stressed or the temperature changes unevenly.
In some embodiments, the deflection indicator is a laser indicator, which can emit a laser indication line with a certain width, and the deflection can be obtained by making the laser correspond to the head of the electroscope and then obtaining the sinking distance of the head of the electroscope through the deflection measuring scale.
Further preferably, a vertical guide rail is mounted on one of the first support rod and the second support rod, and the deflection indicator is slidably arranged on the vertical guide rail. The upper and lower ends of the vertical guide rail are mounted on one of the first support bar and the second support bar through a guide rail support member.
Further preferably, the support frame is provided with a transverse guide rail, the first support rod and the second support rod correspond to the transverse guide rail and are provided with bearings, and the first support rod and the second support rod slide through the bearings and the transverse guide rail. A plurality of transverse guide rails can be arranged on the support frame to ensure the stability of the moving frame in moving and the stability of the support of the moving frame.
Preferably, the workbench is provided with a distance scale, and the cross rod is provided with a distance indicator corresponding to the distance scale. The interval scale is provided with scales, the interval indicator is arranged right above the interval scale and is a laser indicator which can emit point laser or a laser indicating line with certain width, and the moving distance of the interval indicator and the distance between the front support piece and the rear support piece can be obtained through the interval indicator and the interval scale.
Preferably, the cross bar is provided with an adjusting assembly for adjusting the upper and lower positions of the rear supporting piece; the adjusting component comprises an adjusting screw rod for driving the rear supporting piece to move up and down and an adjusting hand wheel for driving the adjusting screw rod to rotate. The rear supporting piece is arranged in a vertically adjustable mode and can be matched with electroscopes with different sizes. The adjusting hand wheel is rotated to drive the adjusting screw rod to rotate, so that the rear supporting piece is driven to move up and down, and the vertical height between the front supporting piece and the rear supporting piece is adjusted.
Preferably, the grip force measuring assembly includes a force sensor, and the front support is disposed above the force sensor. That is, the gripping force is the force of the electroscope on the front support member when the electroscope level between the front support point and the rear support point is maintained, and the value is obtained by the force sensor. The holding force is the minimum force for grabbing and lifting the electroscope under the working state of the electroscope.
Preferably, the front support and the rear support are arranged in an arc shape, the arc opening of the front support faces upwards, and the arc opening of the rear support faces downwards. The arc setting can be matchd with the electroscope better, guarantees that the electroscope can not remove at will.
Preferably, the workbench is further provided with a control panel and a power switch. The measuring device further comprises a power supply for supplying power to the device, the power supply can be a mobile power supply or 220V mains supply, the power supply is controlled to be turned on and off through a power switch to supply power to the device, and the control panel is used for setting parameters and displaying parameters such as holding force, deflection and the like.
Compared with the prior art, the utility model discloses an useful part lies in: the utility model discloses a power and deflection measurement device are held to electroscope, structural design is reasonable, and is simple to use, convenient operation, and can be applicable to the electroscope of different specifications, replace manual measurement, improved degree of automation, measuring result is more accurate, improves the electroscope and holds power and the experimental flexibility and the accuracy of deflection.
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 described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a grip force and deflection test arrangement for an electroscope having a handle length of less than 1100 mm;
FIG. 2 is a schematic diagram of a grip force and deflection test arrangement for an electroscope having a handle length of 1100mm or greater;
FIG. 3 is a schematic diagram of the gripping force and deflection measurement of an electroscope in a preferred embodiment of the present invention;
figure 4 is a perspective view of a first viewing angle of a gripping force and deflection measuring device of an electroscope in a preferred embodiment of the present invention;
figure 5 is a perspective view of a second viewing angle of a gripping force and deflection measuring device of an electroscope in a preferred embodiment of the present invention;
FIG. 6 is a side view of a gripping force and deflection measuring device of an electroscope in a preferred embodiment of the present invention;
FIG. 7 is a top view of a gripping force and deflection measuring device of an electroscope in a preferred embodiment of the present invention;
wherein: the device comprises a support frame-1, a workbench-2, a first support rod-31, a second support rod-32, a cross rod-33, a deflection indicator-4, a deflection measurement scale-5, a transverse guide rail-6, a bearing-7, an interval scale-8, an interval indicator-9, an adjusting screw rod-10, an adjusting hand wheel-11, a rear support piece-12, a force sensor-13, a front support piece-14, a control panel-15, a power switch-16, a vertical guide rail-17, a guide rail support piece-18 and an electroscope-19.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 3 to 7, the gripping force and deflection measuring device of the electroscope 19 of the present embodiment includes a support frame 1, a table 2 disposed on the support frame 1, a front support measuring mechanism and a rear support measuring mechanism, a power supply for supplying power to the measuring mechanisms, a control panel 15 disposed on the table 2, and a power switch 16. The power supply is a mobile power supply or 220V commercial power, the power supply is controlled to be turned on and off through the power switch 16 to supply power to the device, and the control panel 15 is used for inputting parameters and displaying parameters such as holding force, deflection and the like. The holding force is the minimum force for the electroscope 19 to grasp the electroscope 19 in the working state.
The front support measuring mechanism includes a gripping force measuring assembly provided on the table 2 and a front support 14. The grip force measuring assembly includes a force sensor 13, and a front support 14 is disposed above the force sensor 13. That is, the holding force is the force of the electroscope 19 on the front support 14 when the electroscope 19 between the front support point and the rear support point is kept horizontal, and the value is obtained through the force sensor 13, so that the holding force is convenient, quick and accurate.
The rear support measuring mechanism comprises a moving frame arranged on the support frame 1 in a sliding mode, and a deflection measuring assembly and a rear support 12 which are arranged on the moving frame.
The moving frame includes a first support bar 31 and a second support bar 32 respectively disposed at both sides of the table 2, the tops of the first support bar 31 and the second support bar 32 are connected by a cross bar 33, and the rear support 12 is mounted on the cross bar 33. One of the first support bar 31 and the second support bar 32 is provided with a vertical guide rail 17, and the deflection indicator 4 is arranged on the vertical guide rail 17 in a sliding manner. The upper and lower ends of the vertical rail 17 are mounted on one of the first and second support bars 31 and 32 through the rail support 18.
The cross bar 33 is provided with an adjusting component for adjusting the up-down position of the rear support 12; the adjusting component comprises an adjusting screw rod 10 for driving the rear supporting piece 12 to move up and down and an adjusting hand wheel 11 for driving the adjusting screw rod 10 to rotate. The adjusting hand wheel 11 is rotated to drive the adjusting screw 10 to rotate, so as to drive the rear support 12 to move up and down, and the vertical height between the front support 14 and the rear support 12 is adjusted. The rear support 12 is configured to be adjustable up and down to accommodate different sized electroscopes 19.
The support frame 1 is provided with a transverse guide rail 6, the first support rod 31 and the second support rod 32 are provided with a bearing 7 corresponding to the transverse guide rail 6, and the first support rod 31 and the second support rod 32 slide through the bearing 7 and the transverse guide rail 6. A plurality of transverse guide rails 6 can be arranged on the support frame 1 to ensure the stability of the moving frame when moving and the stability of the support of the moving frame.
In this embodiment, the length of the first support rod 31 is greater than that of the second support rod 32, the vertical guide rail 17 and the deflection measuring scale 5 are installed on the first support rod 31, two bearings 7 are installed on the first support rod 31, and the support frame 1 is correspondingly provided with two transverse guide rails 6 to ensure the stability of the movement of the moving frame.
The deflection measuring assembly comprises a deflection indicator 4 slidably arranged on the first support bar 31 or the second support bar 32 and a corresponding deflection measuring scale 5. The deflection measuring scale 5 is provided with scales, and the distance of the deflection indicator 4 moving can be obtained through the deflection measuring scale 5, namely the deflection value. As shown in fig. 3, the initial position of the deflection indicator 4 is shown by a solid line, and the position of the deflection indicator 4 after movement is shown by a dotted line; the position of the electroscope 19 in an ideal state is shown by a solid line, the position of the electroscope 19 in an actual state is shown by a broken line, two horizontal lines corresponding to the deflection indicator 4 are laser indicating lines, and the distance between the two laser indicating lines is the deflection.
The deflection refers to the linear displacement of the axis of the rod piece in the direction vertical to the axis or the linear displacement of the middle surface of the plate shell in the direction vertical to the middle surface when the rod piece is stressed or the temperature changes unevenly.
In this embodiment, the deflection indicator 4 is a laser indicator, which can emit a laser indication line with a certain width, and the laser corresponds to the head of the electroscope 19, and the deflection measuring scale 5 can obtain the sinking distance of the head of the electroscope 19, so that the deflection can be obtained.
In this embodiment, the front support 14 and the rear support 12 are arc-shaped, the arc-shaped opening of the front support 14 faces upward, and the arc-shaped opening of the rear support 12 faces downward. The arc setting can be better matchd with electroscope 19, guarantees that electroscope 19 can not remove at will.
In this embodiment, the worktable 2 is provided with a distance scale 8, and the cross bar 33 is provided with a distance indicator 9 corresponding to the distance scale 8. Interval scale 8 is last to have the scale, and interval indicator 9 sets up directly over interval scale 8, and interval indicator 9 is laser pointer, and it can send a point laser or have the laser instruction line of certain width, through interval indicator 9 and interval scale 8, can draw interval indicator 9's removal distance and the distance between front support 14 and the back support 12.
The operation of the gripping force and deflection measuring device of the electroscope 19 of the present embodiment is briefly described as follows:
the power switch 16 is turned on and the device is automatically zeroed, placing the electroscope 19 on the test apparatus and moving the rear support 12 to the standard position. The adjusting handle is rotated, and the up-down position of the rear supporting piece 12 is adjusted through the adjusting screw rod 10, so that the handle of the electroscope 19 is in a horizontal state. At this time, the force sensor 13 can measure data, and read and record data of the gripping force on the liquid crystal display.
Moving the deflection indicator 4 to a position where the laser indicating line is parallel to the axis of the handle of the electroscope 19 and recording current position data; and then moving the deflection indicator 4 to a position where the laser indicating line is parallel to the tip of the electrode of the electroscope 19, recording current position data, and calculating the difference value of the two pieces of position data, namely the deflection value.
The main body structure of the measuring device of the embodiment is built by aluminum profiles, and the bottom of the measuring device is provided with trundles which can be easily moved; the holding force and deflection test can be completed by putting the electroscope 19 on the device, and the device has small volume and light weight, can be powered by a lithium battery and can be normally used without commercial power.
The measuring device of the embodiment mainly comprises two groups of aluminum alloy frames, namely a support frame 1, a moving frame, a guide rail, a bearing 7, a scale, a force sensor 13, a laser indicator and the like. The movable frame can move along the horizontal direction, the adjusting screw rod 10 and the adjusting hand wheel are arranged on the cross rod 33 of the movable frame, and the upper position and the lower position of the rear supporting piece 12 can be adjusted to adapt to electroscope 19 handles with different lengths and diameters. A force sensor 13 is arranged below the front supporting piece 14, and can measure the holding force value of the electroscope 19 in real time. One side of the movable frame is provided with a vertical guide rail 17, and a deflection indicator 4 is arranged on the vertical guide rail 17 and used for measuring the deflection of an electroscope 19. When the deflection indicator is used, the handle of the electroscope 19 is adjusted to the horizontal position, the deflection indicator 4 is moved to the position where the laser indicating line is parallel to the axis of the handle of the electroscope 19, and the reading of a ruler is recorded; moving the laser indicator to a position where the laser indicator line is parallel to the tip of the electrode of the electroscope 19, and recording the reading of the ruler; the difference between the two scale readings is the deflection value. The principle of deflection measurement is shown in figure 3.
The gripping force and deflection measuring device of the electroscope has the advantages of reasonable structural design, small volume, light weight, convenient movement, simple use and convenient operation, improves the gripping force and deflection test flexibility and accuracy of the electroscope, and improves the automation degree; the special device is efficient and reliable and is provided for special tests of holding force and deflection of the electroscope.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a holding power and deflection measuring device of electroscope which characterized in that: including the support frame, set up workstation, preceding support measuring mechanism and back support measuring mechanism on the support frame, preceding support measuring mechanism is including setting up holding power measuring component and preceding support piece on the workstation, back support measuring mechanism is including sliding the setting and being in moving frame on the support frame and setting are in deflection measuring component and back support piece on the moving frame.
2. The gripping force and deflection measuring device of an electroscope of claim 1, wherein: the movable frame comprises a first supporting rod and a second supporting rod which are arranged on two sides of the workbench respectively, the tops of the first supporting rod and the second supporting rod are connected through a cross rod, and a rear supporting piece is installed on the cross rod.
3. The gripping force and deflection measuring device of an electroscope according to claim 2, characterized in that: the deflection measuring assembly comprises a deflection indicator arranged on the first supporting rod or the second supporting rod in a sliding mode and a corresponding deflection measuring scale.
4. The gripping force and deflection measuring device of an electroscope according to claim 3, wherein: one of the first supporting rod and the second supporting rod is provided with a vertical guide rail, and the deflection indicator is arranged on the vertical guide rail in a sliding mode.
5. The gripping force and deflection measuring device of an electroscope according to claim 3, wherein: be provided with transverse guide on the support frame, first bracing piece and second bracing piece correspond transverse guide installs the bearing, first bracing piece and second bracing piece pass through bearing and transverse guide realize sliding.
6. The gripping force and deflection measuring device of an electroscope of claim 5, wherein: the worktable is provided with a distance scale, and the cross rod is provided with a distance indicator corresponding to the distance scale.
7. The gripping force and deflection measuring device of an electroscope of claim 5, wherein: the cross rod is provided with an adjusting component for adjusting the upper and lower positions of the rear supporting piece; the adjusting component comprises an adjusting screw rod for driving the rear supporting piece to move up and down and an adjusting hand wheel for driving the adjusting screw rod to rotate.
8. The gripping force and deflection measuring device of an electroscope of claim 1, wherein: the grip force measurement assembly includes a force sensor, and the front support is disposed above the force sensor.
9. The gripping force and deflection measuring device of an electroscope according to any one of claims 1 to 8, wherein: the front supporting piece and the rear supporting piece are arranged in an arc shape, the arc-shaped opening of the front supporting piece faces upwards, and the arc-shaped opening of the rear supporting piece faces downwards.
10. The gripping force and deflection measuring device of an electroscope according to any one of claims 1 to 8, wherein: the workbench is also provided with a control panel and a power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011250.XU CN210128783U (en) | 2019-07-02 | 2019-07-02 | Holding force and deflection measuring device of electroscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011250.XU CN210128783U (en) | 2019-07-02 | 2019-07-02 | Holding force and deflection measuring device of electroscope |
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| CN210128783U true CN210128783U (en) | 2020-03-06 |
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| CN201921011250.XU Active CN210128783U (en) | 2019-07-02 | 2019-07-02 | Holding force and deflection measuring device of electroscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160692A (en) * | 2019-07-02 | 2019-08-23 | 苏州热工研究院有限公司 | Electroscope holds power and deflection measuring apparatus |
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2019
- 2019-07-02 CN CN201921011250.XU patent/CN210128783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160692A (en) * | 2019-07-02 | 2019-08-23 | 苏州热工研究院有限公司 | Electroscope holds power and deflection measuring apparatus |
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