CN217953735U - Resistance strain type steel wire rope tension sensor - Google Patents
Resistance strain type steel wire rope tension sensor Download PDFInfo
- Publication number
- CN217953735U CN217953735U CN202222028867.0U CN202222028867U CN217953735U CN 217953735 U CN217953735 U CN 217953735U CN 202222028867 U CN202222028867 U CN 202222028867U CN 217953735 U CN217953735 U CN 217953735U
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- support block
- wire rope
- tension sensor
- main body
- cable support
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Abstract
The utility model provides a resistance strain type wire rope tension sensor, include: the main body is installed in an installation space formed by the gland and the shell, a first steel cable supporting block, a second steel cable supporting block and a third steel cable supporting block are sequentially arranged on one side of the main body, the height of the second steel cable supporting block is higher than that of the first steel cable supporting block and that of the third steel cable supporting block, a first deformation beam and a second deformation beam are formed on the main body, the first deformation beam is located in an area between the first steel cable supporting block and the second steel cable supporting block, and the second deformation beam is located in an area between the second steel cable supporting block and the third steel cable supporting block. The resistance strain type steel wire rope tension sensor in the utility model can be widely applied to the tension measurement of the steel wire rope, and can directly fix the sensor on the steel wire rope without damaging the tension under the condition of the steel wire rope.
Description
Technical Field
The utility model relates to a sensor field, in particular to resistance strain type wire rope tension sensor.
Background
When the resistance strain type steel wire rope tension sensor in the prior art is installed, the sensor needs to be fixed on a jig to be normally used. The utility model provides a resistance strain type wire rope tension sensor need not the installation fixed, and direct mount is on wire rope, and wire rope passes the back, in case tighten just can test the tension that corresponds, has broken traditional tension sensor's installation restriction.
SUMMERY OF THE UTILITY MODEL
The utility model provides a resistance strain type wire rope tension sensor to solve at least one above-mentioned technical problem.
In order to solve the above problem, as an aspect of the present invention, there is provided a resistance strain type wire rope tension sensor, including: the main body is installed in an installation space formed by the gland and the shell, a first steel cable supporting block, a second steel cable supporting block and a third steel cable supporting block are sequentially arranged on one side of the main body, the height of the second steel cable supporting block is higher than that of the first steel cable supporting block and that of the third steel cable supporting block, a first deformation beam and a second deformation beam are formed on the main body, the first deformation beam is located in an area between the first steel cable supporting block and the second steel cable supporting block, and the second deformation beam is located in an area between the second steel cable supporting block and the third steel cable supporting block.
Preferably, the first deformation beam and the second deformation beam both adopt a shear beam structure.
Preferably, the first deformation beam and the second deformation beam form a parallel beam structure.
Preferably, the main body is formed with a first mounting groove and a second mounting groove, the first wire rope support block is welded in the first mounting groove, and the third wire rope support block is welded in the second mounting groove.
Preferably, the body is integrally formed with the second rope support block.
Preferably, the top ends of the first, second and third rope support blocks are formed with arc-shaped grooves.
Preferably, the main body is provided with a threaded hole, and a screw for connecting the gland is arranged in the threaded hole.
Preferably, the main body is formed with a mounting groove, and the housing is disposed at the mounting groove and welded to the main body.
Preferably, semicircular clamping grooves are formed at two ends of the pressing cover respectively.
Preferably, one side of the shell far away from the main body is provided with a circuit board mounting box, and one side of the circuit board mounting box is provided with an aviation connector.
Since the technical scheme is used, the utility model provides a but resistance strain type wire rope tension sensor wide application is in the tension measurement of cable wire to can with the sensor snap-on the cable wire, just can direct test tension under the condition of not destroying the cable wire.
Drawings
Fig. 1 schematically shows an exploded view of the present invention;
figure 2 schematically shows an exploded view of the body;
FIG. 3 schematically shows a shape of a steel cord after being compacted;
FIG. 4 schematically illustrates an exploded view of the housing;
figure 5 schematically shows a perspective view one of the gland;
figure 6 schematically shows a second perspective view of the gland;
fig. 7 schematically shows a cross-sectional view of the invention.
Reference numbers in the figures: 1. a main body; 2. a gland; 3. a housing; 4. a first wire rope support block; 5. a second wire rope support block; 6. a third wire rope support block; 7. a first deformation beam; 8. a second shape-changing beam; 9. a first mounting groove; 10. a second mounting groove; 11. an arc-shaped slot; 12. a threaded hole; 13. a screw; 14. mounting grooves; 15. a semicircular clamping groove; 16. a circuit board mounting box; 17. an aircraft joint; 18. and (7) a cover plate.
Detailed Description
The embodiments of the invention are described in detail below, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As an aspect of the utility model, a resistance strain type wire rope tension sensor is provided, include: main part 1, gland 2 and shell 3, gland 2 is connected with shell 3, main part 1 is installed in the installation space that gland 2 and shell 3 formed. A first steel cable supporting block 4, a second steel cable supporting block 5 and a third steel cable supporting block 6 are sequentially arranged on one side of the main body 1, the height of the second steel cable supporting block 5 is higher than that of the first steel cable supporting block 4 and that of the third steel cable supporting block 6, and therefore central points of the first steel cable supporting block 4 and that of the third steel cable supporting block 6 are connected to form a triangle. A first deformation beam 7 and a second deformation beam 8 are formed on the main body 1, the first deformation beam 7 is located in an area between the first steel cable support block 4 and the second steel cable support block 5, and the second deformation beam 8 is located in an area between the second steel cable support block 5 and the third steel cable support block 6. The first and third rope support blocks 4 and 6 are symmetrically arranged on both sides of the second rope support block 5.
During installation, the cable passes through the passages between the gland 2 and the first, second and third cable support blocks 4, 5 and 6 and is sandwiched between the gland 2 and the first, second and third cable support blocks 4, 5 and 6.
Preferably, the first deformation beam 7 and the second deformation beam 8 both adopt a shear beam structure, and at the moment, the deformation beam is applicable to the condition of large tension, namely, the deformation beam is not in a through hole structure. In another embodiment, if the tension is small, it is preferable that the first deformation beam 7 and the second deformation beam 8 form a parallel beam structure, and the deformation beams adopt a through hole structure.
Preferably, the main body 1 is formed with a first mounting groove 9 and a second mounting groove 10, the first wire rope support block 4 is welded in the first mounting groove 9, and the third wire rope support block 6 is welded in the second mounting groove 10. For example, argon arc welding may be used for welding. Preferably, the body 1 is integrally formed with the second rope support block 5.
Preferably, the top ends of the first, second and third rope support blocks 4, 5 and 6 are formed with arc-shaped grooves 11. Two sides of the arc-shaped groove 11 form a protection fence of the steel cable, after the gland 2 is pressed by the screw 112, the upper top surface of the gland 2 can press the steel cable at the second steel cable support block 5, and the steel cable at the first steel cable support block 4 and the third steel cable support block 6 at two ends can also be pressed at the first steel cable support block 4 and the third steel cable support block 6 through the semicircular clamping groove 15 of the gland 2.
Preferably, the main body 1 is provided with a threaded hole 12, and a screw 13 for connecting the gland 2 is arranged in the threaded hole 12.
Preferably, the main body 1 is formed with a mounting groove 14, and the housing 3 is disposed at the mounting groove 14 and welded with the main body 1 to be integrated with the main body 1. The housing 3 not only serves as a position for protection and signal output, but also is a way of reinforcing the strength of the main beam (main body 1) s.
Preferably, semicircular clamping grooves 15 are formed at both ends of the pressing cover 2. Like this, after putting the cable wire on first cable wire supporting shoe 4, second cable wire supporting shoe 5 and third cable wire supporting shoe 6, cover gland 2 on the cable wire, semicircular clamping groove 15 on both sides just in time blocks on the cable wire, through four screws 12 fastens the cable wire card in the middle of, the cable wire after compressing tightly can be arranged according to two hypotenuses directions of triangle-shaped because of the reason of first cable wire supporting shoe 4, second cable wire supporting shoe 5 and third cable wire supporting shoe 6.
Preferably, a side of the housing 3 away from the main body 1 is provided with a circuit board mounting box 16, and one side of the circuit board mounting box 16 is provided with an aviation connector 17. The circuit board mounting box 16 is used for mounting circuits and other accessories of the sensor, and circuit signals are output to the outside through an aviation connector 17.
After the cable is compacted, its shape is shown in fig. 3. Wherein, if the cable wire tension is P, its power of acting on the girder sensor is: f =2P × COS (a).
Due to the adoption of the technical scheme, the resistance strain type steel wire rope tension sensor can be widely applied to tension measurement of the steel wire rope, if a bridge body is pulled on a cable-stayed bridge through the steel wire rope, the tension of the steel wire rope can be judged by monitoring the tension of one steel wire rope in the steel wire rope group, and the influence of passing vehicles, environment and other factors on the bridge is detected through the change of the tension; similarly, the utility model discloses also can be used to the cable wire tension test under other occasions, its advantage is that this kind of test is the sensor snap-on the cable wire, just can directly test tension under the condition of not destroying the cable wire.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A resistance strain type wire rope tension sensor is characterized by comprising: the cable fixing device comprises a main body (1), a gland (2) and an outer shell (3), wherein the gland (2) is connected with the outer shell (3), the main body (1) is installed in an installation space formed by the gland (2) and the outer shell (3), a first cable support block (4), a second cable support block (5) and a third cable support block (6) are sequentially arranged on one side of the main body (1), the height of the second cable support block (5) is higher than that of the first cable support block (4) and that of the third cable support block (6), a first deformation beam (7) and a second deformation beam (8) are formed on the main body (1), the first deformation beam (7) is located in an area between the first cable support block (4) and the second cable support block (5), and the second deformation beam (8) is located in an area between the second cable support block (5) and the third cable support block (6).
2. A resistive strain gauge steel cord tension sensor according to claim 1, wherein the first (7) and second (8) deformation beams are each of a shear beam configuration.
3. A resistive strain gauge steel cord tension sensor according to claim 1, wherein the first (7) and second (8) deformation beams form a parallel beam structure.
4. A resistive strain gauge steel cord tension sensor according to claim 1, wherein the body (1) is formed with a first mounting groove (9) and a second mounting groove (10), the first wire rope support block (4) being welded in the first mounting groove (9), the third wire rope support block (6) being welded in the second mounting groove (10).
5. A resistive strain gauge steel cord tension sensor according to claim 4, wherein the body (1) is integrally formed with the second cord support block (5).
6. A resistive strain gauge steel cord tension sensor according to claim 1, wherein the top ends of the first (4), second (5) and third (6) cable support blocks are formed with an arc-shaped slot (11).
7. A resistive strain gauge steel wire rope tension sensor according to claim 1, characterized in that a threaded hole (12) is provided on the body (1), a screw (13) for connecting the gland (2) being provided in the threaded hole (12).
8. A resistive strain gauge steel cord tension sensor according to claim 7, wherein the main body (1) is formed with a mounting groove (14), the housing (3) being provided at the mounting groove (14) and welded to the main body (1).
9. A resistive strain gauge steel wire rope tension sensor according to claim 6, wherein semicircular notches (15) are formed at both ends of the gland (2).
10. A resistive strain gauge steel wire rope tension sensor according to claim 1, characterized in that the side of the housing (3) remote from the body (1) is provided with a mounting box (16) for a circuit board, and the side of the mounting box (16) for the circuit board is provided with an aircraft joint (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222028867.0U CN217953735U (en) | 2022-08-02 | 2022-08-02 | Resistance strain type steel wire rope tension sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222028867.0U CN217953735U (en) | 2022-08-02 | 2022-08-02 | Resistance strain type steel wire rope tension sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217953735U true CN217953735U (en) | 2022-12-02 |
Family
ID=84226380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222028867.0U Active CN217953735U (en) | 2022-08-02 | 2022-08-02 | Resistance strain type steel wire rope tension sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217953735U (en) |
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2022
- 2022-08-02 CN CN202222028867.0U patent/CN217953735U/en active Active
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