CN213932926U - Strain type tension sensor - Google Patents

Strain type tension sensor Download PDF

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Publication number
CN213932926U
CN213932926U CN202120277064.1U CN202120277064U CN213932926U CN 213932926 U CN213932926 U CN 213932926U CN 202120277064 U CN202120277064 U CN 202120277064U CN 213932926 U CN213932926 U CN 213932926U
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CN
China
Prior art keywords
fixedly connected
connecting seat
tension sensor
tension
semicircular roller
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CN202120277064.1U
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Chinese (zh)
Inventor
林福德
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Hebei Rongshuo Zhida Technology Co.,Ltd.
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Wuxi Yunku Technology Co ltd
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Abstract

The utility model discloses a strain type tension sensor, which comprises a connecting seat and a central shaft; the connecting seat lateral wall fixedly connected with mounting panel, connecting seat inside wall fixedly connected with micro motor, micro motor's drive end fixedly connected with lead screw. The utility model discloses a set up micro motor, the lead screw, the dead lever, bar mouth and connecting plate, when the unable complete cover cylinder of volume of awaiting measuring material, just need adjust the center pin position, rotate through control motor this moment, just can drive the center pin and remove, make this tension sensor's adaptability stronger, furthermore, through the first semicircle cylinder that sets up, second semicircle cylinder, a groove, tension foil gage, a spring, projection and ring groove, in the measurement process, only the self gravity of cylinder produces pressure to tension foil gage except measured material, the pressure of other structures to tension foil gage has been reduced from this, thereby this tension sensor's measurement accuracy has been improved.

Description

Strain type tension sensor
Technical Field
The utility model relates to a strain type tension sensor belongs to sensor technical field.
Background
The tension sensor is an instrument for measuring the tension value of a coiled material in the tension control process, is used for pharmacy, and is in a strain foil type, wherein a tension strain foil and a compression strain foil are connected together in a bridge mode, the resistance value of the strain foil is changed along with the change of the tension strain foil when external pressure is applied, and the change value is in direct proportion to the tension value.
Among the present tension sensor, the tension foil gage is installed in the both ends of axle more, pressure that receives through the tension foil gage measurement axle both ends and draw tensile size, but the axle all has certain weight with the cylinder that axle surface cover has, consequently this weight also can produce pressure to the tension foil gage, the measurement accuracy that leads to tension sensor has certain error, furthermore, present tension sensor is after the installation is accomplished, can't change the length of center pin, thereby can't adapt to the position of cover at roller surface material, certain limitation has, so provide one kind and can change the center pin and stretch out the higher tension sensor of length and precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a strain type tension sensor to the defect that prior art exists.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a strain type tension sensor comprises a connecting seat and a central shaft;
the outer side wall of the connecting seat is fixedly connected with a mounting plate, the inner side wall of the connecting seat is fixedly connected with a micro motor, the driving end of the micro motor is fixedly connected with a screw rod, a fixing rod is fixedly connected above the screw rod in the connecting seat, a strip-shaped opening is formed in the middle of the top wall of the connecting seat, the bottom end of the central shaft is fixedly connected with a connecting plate, a first semicircular roller and a second semicircular roller are sleeved on the surface of one end, away from the connecting plate, of the surface of the central shaft, two grooves are formed in the top end of the central shaft, the two grooves are both positioned in the first semicircular roller and the second semicircular roller, the bottom walls in the two grooves are both fixedly connected with tension strain gauges, springs are fixedly connected on the surfaces of the tension strain gauges, convex columns are fixedly connected with the top ends, the bottom wall in the connecting seat is fixedly connected with a processor.
Furthermore, threaded hole and through-hole are seted up at the connecting plate middle part, the connecting plate bottom passes the bar mouth and extends to inside the connecting seat, the dead lever run through the through-hole and with through-hole sliding connection, the lead screw run through the screw hole and with screw hole screw thread rotation be connected.
Furthermore, the side walls of the first semicircular roller and the second semicircular roller are respectively and fixedly connected with two first connecting blocks and two second connecting blocks, and the two first connecting blocks and the two second connecting blocks are respectively and jointly provided with bolts.
Furthermore, the convex column is clamped with the annular clamping groove, and the convex column is connected with the annular clamping groove in a sliding mode.
Furthermore, the top end of the convex column is designed to be a cambered surface, a plurality of ball holes are formed in the top end of the convex column, balls are arranged in the ball holes, a spherical sliding groove is formed in the inner side wall of the annular clamping groove, and the balls are connected with the spherical sliding groove in a sliding mode.
Furthermore, the connecting seat lateral wall is equipped with the display, tension foil gage and display all with treater electric connection.
The utility model has the advantages that: through setting up micro motor, lead screw, dead lever, bar mouth and connecting plate to rotate through control motor, just can make the center pin remove on the connecting seat surface, realize the flexible of center pin, with the different positions that need measure tensile material of adaptation, and the tension foil gage only bears the weight of cylinder, thereby has improved this tension sensor's measurement accuracy.
Drawings
Fig. 1 is a main sectional view of a strain type tension sensor according to the present invention;
fig. 2 is a side view of a first semicircular roller and a second semicircular roller of a strain type tension sensor according to the present invention;
fig. 3 is an enlarged view of a strain type tension sensor B according to the present invention;
fig. 4 is an enlarged view of a strain type tension sensor according to the present invention;
fig. 5 is a perspective view of a convex column of a strain type tension sensor according to the present invention;
fig. 6 is a front view of a strain type tension sensor according to the present invention.
Illustration of the drawings:
1. a connecting seat; 2. a central shaft; 3. mounting a plate; 4. a micro motor; 5. a screw rod; 6. fixing the rod; 7. a strip-shaped opening; 8. a connecting plate; 9. a threaded hole; 10. a through hole; 11. a first semi-circular drum; 12. a second half-round drum; 13. a first connection block; 14. a second connecting block; 15. a bolt; 16. a groove; 17. a tensile strain gauge; 18. a spring; 19. a convex column; 20. a ball hole; 21. a ball bearing; 22. an annular neck; 23. a spherical chute; 24. a processor; 25. a display.
Detailed Description
Fig. 1 to 6 show a strain gauge type tension sensor, which includes a connecting base 1 and a central shaft 2; the outer side wall of the connecting seat 1 is fixedly connected with a mounting plate 3, the inner side wall of the connecting seat 1 is fixedly connected with a micro motor 4, the driving end of the micro motor 4 is fixedly connected with a screw rod 5, a fixing rod 6 is fixedly connected above the screw rod 5 in the connecting seat 1, a strip-shaped opening 7 is formed in the middle of the top wall of the connecting seat 1, a connecting plate 8 is fixedly connected with the bottom end of the central shaft 2, a first semicircular roller 11 and a second semicircular roller 12 are sleeved on the surface of one end, away from the connecting plate 8, of the surface of the central shaft 2, two grooves 16 are formed in the top end of the central shaft 2, the two grooves 16 are both positioned in the first semicircular roller 11 and the second semicircular roller 12, tension strain gauges 17 are fixedly connected to the inner bottom walls of the two grooves 16, a spring 18 is fixedly connected to the upper surface of the tension strain gauge 17, and a convex column 19 is fixedly connected to the top end of the spring 18, annular clamping grooves 22 are formed in the inner side walls of the first semicircular roller 11 and the second semicircular roller 12, and a processor 24 is fixedly connected to the inner bottom wall of the connecting seat 1.
During the use, install this tension sensor in the assigned position through mounting panel 3, then through bolt 15, first connecting block 13 and second connecting block 14, cup joint first semicircle cylinder 11 and second semicircle cylinder 12 installation on center pin 2 surface, start micro motor 4 and rotate afterwards, drive lead screw 5 and rotate, connecting plate 8 can move in connecting seat 1 from this, center pin 2 also can drive first semicircle cylinder 11 and second semicircle cylinder 12 and move to the position of awaiting measuring the material, then pass the material of awaiting measuring from first semicircle cylinder 11 and second semicircle cylinder 12 top, when the material produces pressure downwards, convex column 19 can descend, thereby produce pressure to tension strain gauge 17, then tension strain gauge 17 transmits data to treater 24, show tension numerical value on display 25 at last.
In a further scheme, threaded hole 9 and through-hole 10 are seted up at 8 middle parts of connecting plate, 8 bottom of connecting plate pass bar mouth 7 and extend to inside the connecting seat 1, dead lever 6 run through-hole 10 and with through-hole 10 sliding connection, lead screw 5 run through threaded hole 9 and with threaded hole 9 screw thread rotation be connected, be convenient for drive connecting plate 8 through micro motor 4's rotation and remove, and then drive center pin 2 and remove.
In the further scheme, first semicircle cylinder 11 and second semicircle cylinder 12 lateral wall is two first connecting blocks 13 and two second connecting blocks 14 of fixedly connected with respectively, two first connecting blocks 13 respectively with two inside bolts 15 that are equipped with jointly of second connecting block 14, be convenient for fix first semicircle cylinder 11 and second semicircle cylinder 12 on center pin 2 surface and form complete cylinder, also be convenient for dismantle first semicircle cylinder 11 and second semicircle cylinder 12 to can overhaul tension foil gage 17.
In a further scheme, the protruding column 19 is engaged with the annular clamping groove 22, and the protruding column 19 is slidably connected with the annular clamping groove 22, so that the first semicircular roller 11 and the second semicircular roller 12 are prevented from being separated from the central shaft 2.
In a further scheme, the top end of the convex column 19 is designed to be an arc surface, a plurality of ball holes 20 are formed in the top end of the convex column 19, balls 21 are arranged inside the ball holes 20, a spherical sliding groove 23 is formed in the inner side wall of the annular clamping groove 22, the balls 21 are connected with the spherical sliding groove 23 in a sliding mode, friction force is reduced, and the first semicircular roller 11 and the second semicircular roller 12 can rotate on the surface of the central shaft 2 smoothly.
In a further scheme, a display 25 is arranged on the outer side wall of the connecting seat 1, and the tension strain gauge 17 and the display 25 are both electrically connected with the processor 24, so that the measured tension value can be displayed on the display 25 in real time.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. A strain type tension sensor comprises a connecting seat and a central shaft; it is characterized in that the preparation method is characterized in that,
the outer side wall of the connecting seat is fixedly connected with a mounting plate, the inner side wall of the connecting seat is fixedly connected with a micro motor, the driving end of the micro motor is fixedly connected with a screw rod, a fixing rod is fixedly connected above the screw rod in the connecting seat, a strip-shaped opening is formed in the middle of the top wall of the connecting seat, the bottom end of the central shaft is fixedly connected with a connecting plate, a first semicircular roller and a second semicircular roller are sleeved on the surface of one end, away from the connecting plate, of the surface of the central shaft, two grooves are formed in the top end of the central shaft, the two grooves are both positioned in the first semicircular roller and the second semicircular roller, the bottom walls in the two grooves are both fixedly connected with tension strain gauges, springs are fixedly connected on the surfaces of the tension strain gauges, convex columns are fixedly connected with the top ends of the springs, and annular clamping grooves are formed in the inner side walls of the first semicircular roller and the second semicircular roller, the bottom wall in the connecting seat is fixedly connected with a processor.
2. A strain gauge tension sensor as defined in claim 1, wherein: threaded hole and through-hole are seted up at the connecting plate middle part, the connecting plate bottom passes the bar mouth and extends to inside the connecting seat, the dead lever run through the through-hole and with through-hole sliding connection, the lead screw run through the threaded hole and with threaded hole screw thread rotation connection.
3. A strain gauge tension sensor as defined in claim 1, wherein: the side walls of the first semicircular roller and the second semicircular roller are respectively fixedly connected with two first connecting blocks and two second connecting blocks, and the first connecting blocks and the two second connecting blocks are respectively internally provided with bolts together.
4. A strain gauge tension sensor as defined in claim 1, wherein: the convex column is clamped with the annular clamping groove and is connected with the annular clamping groove in a sliding mode.
5. A strain gauge tension sensor as defined in claim 1, wherein: the top end of the convex column is designed to be a cambered surface, a plurality of ball holes are formed in the top end of the convex column, balls are arranged in the ball holes, a spherical sliding groove is formed in the inner side wall of the annular clamping groove, and the balls are connected with the spherical sliding groove in a sliding mode.
6. A strain gauge tension sensor as defined in claim 1, wherein: the outer side wall of the connecting seat is provided with a display, and the tension strain gauge and the display are electrically connected with the processor.
CN202120277064.1U 2021-02-01 2021-02-01 Strain type tension sensor Active CN213932926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120277064.1U CN213932926U (en) 2021-02-01 2021-02-01 Strain type tension sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120277064.1U CN213932926U (en) 2021-02-01 2021-02-01 Strain type tension sensor

Publications (1)

Publication Number Publication Date
CN213932926U true CN213932926U (en) 2021-08-10

Family

ID=77159618

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120277064.1U Active CN213932926U (en) 2021-02-01 2021-02-01 Strain type tension sensor

Country Status (1)

Country Link
CN (1) CN213932926U (en)

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240325

Address after: No. 40, 2nd Row, Yuhuai Village, Lianzhuangzi Township, Ninghe County, Ninghe District, Tianjin, 301500

Patentee after: Zhang Lixin

Country or region after: China

Address before: Room 1203-02, building 3, No. 311, Yanxin Road, Huishan Economic Development Zone, Wuxi, Jiangsu 214000

Patentee before: Wuxi yunku Technology Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240520

Address after: No.78 Tadong Street, Shijiazhuang Economic and Technological Development Zone, Gaocheng District, Shijiazhuang City, Hebei Province, 050000, United East U-Valley A6-01

Patentee after: Hebei Rongshuo Zhida Technology Co.,Ltd.

Country or region after: China

Address before: No. 40, 2nd Row, Yuhuai Village, Lianzhuangzi Township, Ninghe County, Ninghe District, Tianjin, 301500

Patentee before: Zhang Lixin

Country or region before: China

TR01 Transfer of patent right