CN216132598U - Long-life perforation multi-string anchor cable dynamometer for measuring anchor cable stress - Google Patents
Long-life perforation multi-string anchor cable dynamometer for measuring anchor cable stress Download PDFInfo
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- CN216132598U CN216132598U CN202121865598.2U CN202121865598U CN216132598U CN 216132598 U CN216132598 U CN 216132598U CN 202121865598 U CN202121865598 U CN 202121865598U CN 216132598 U CN216132598 U CN 216132598U
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Abstract
The utility model discloses a long-service-life punching multi-string anchor cable dynamometer for measuring anchor cable stress, and relates to the technical field of anchor cable dynamometers. The utility model comprises a dynamometer main body, wherein a containing groove is arranged in the middle of the top end of the dynamometer main body, an induction assembly is arranged at the top end of the dynamometer main body, a protective shell is arranged on the inner wall of the dynamometer main body, elastic columns are arranged on two sides of the containing groove, an induction electromagnetic coil and a steel string are arranged in each elastic column, an excitation electromagnetic coil is arranged on the left side of each steel string, an electromagnetic converter and a protective end cover are fixedly connected to the left side of each elastic column, and a connecting mechanism is arranged in each protective shell. According to the utility model, through the arrangement of the elastic column, the induction assembly and the limiting column, the error in measurement is effectively reduced, and the measurement precision is improved; through the arrangement of the protective shell, the protective end cover and the connecting mechanism, when the stress of the anchor cable is measured, equipment cannot be damaged due to cracks generated by the stress, and the service life of the multi-string anchor cable dynamometer is further prolonged.
Description
Technical Field
The utility model belongs to the technical field of anchor cable dynamometer, and particularly relates to a long-service-life punching multi-string anchor cable dynamometer for measuring anchor cable stress.
Background
The anchor cable dynamometer is suitable for monitoring the anchoring state of the prestress of hydraulic structures and other concrete structures, rock slopes, bridges and the like for a long time, and can synchronously measure the vibrating wire type sensor of a buried point. The anchor cable dynamometer has two, three, four and six chords. The real-time measurement values of strain sensors of each branch of the dynamometer are read by a vibrating wire frequency reading instrument, and the pressure applied by the anchor cable can be calculated by utilizing the characteristic parameters of the instrument.
The anchor cable dynamometer is characterized in that a plurality of vibrating wire strain gauges are uniformly distributed on a force measuring steel cylinder, when the steel cylinder is axially deformed by load, the strain gauges and the steel cylinder are synchronously deformed, and the strain gauges are deformed to generate stress change on a vibrating wire, so that the vibration frequency of the vibrating wire is changed. The electromagnetic coil excites the vibration wire and measures the vibration frequency thereof, the frequency signal is transmitted to the reading device through the cable, the strain quantity causing the deformation of the stressed steel cylinder can be measured, and the strain quantity is substituted into the calibration coefficient to calculate the load value sensed by the anchor cable dynamometer.
The anchor rope dynamometer has a transmission cable for transmitting signals, and in practical application, the working environment is severe, the measurement precision of the anchor rope dynamometer is poor, the anchor rope dynamometer is easy to damage in the severe environment and needs to be replaced to measure again, and the anchor rope dynamometer is very troublesome, so that the long-life punching multi-string anchor rope dynamometer for measuring the stress of the anchor rope is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a long-service-life punching multi-string anchor cable dynamometer for measuring anchor cable stress, and solves the problems that the existing anchor cable dynamometer is poor in measurement accuracy due to the fact that the working environment is severe, and the anchor cable dynamometer is easy to damage in severe environment and can be replaced to measure again, so that the existing anchor cable dynamometer is very troublesome.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a long-service-life punching multi-string anchor cable dynamometer for measuring anchor cable stress, which comprises a dynamometer main body, wherein an accommodating groove is formed in the middle of the top end of the dynamometer main body;
the both sides of holding tank are provided with the elasticity post, the relative one side of elasticity post is provided with response solenoid, the relative one side fixedly connected with string of response solenoid, the left side of string of steel is provided with excitation solenoid, the left side fixedly connected with protection end cover of elasticity post, the right side fixedly connected with electromagnetic converter of protection end cover, just the top fixedly connected with line concentration box of protection end cover, one side fixedly connected with coupling mechanism that the holding tank is kept away from to the protection end cover, coupling mechanism's bulge is provided with the spacing groove, coupling mechanism's another part fixedly connected with extends the post.
Preferably, the bottom of dynamometer main part is provided with the stopper, just coupling mechanism sets up the inside at the protective housing.
Preferably, the bottom of dynamometer main part has the jack through the stopper joint, the bottom fixedly connected with reaction frame of jack, the top fixedly connected with backing plate of dynamometer main part, the top threaded connection of backing plate has stretch-draw nut, stretch-draw nut's top fixedly connected with stretch-draw pole.
Preferably, the bottom end of the tension rod penetrates through the bottom end of the reaction frame and extends to the outside.
Preferably, the number of the induction assemblies is three, and the three induction assemblies are arranged corresponding to the steel strings.
Preferably, one end of the steel string is fixedly connected with the electromagnetic converter through an induction electromagnetic coil and an excitation electromagnetic coil.
Preferably, the extension column is clamped with the limiting groove.
Preferably, a transmission cable is arranged at the bottom end of the protection end cover and electrically connected with the electromagnetic converter.
The utility model has the following beneficial effects:
according to the utility model, through the arrangement of the elastic column, the induction assembly and the limit column, when the dynamometer main body is cleaned up in severe conditions, the bottom end of the dynamometer main body is clamped with the jack through the limit block, the other end of the dynamometer main body is clamped with the base plate, so that the stability during measurement is ensured, one end of the steel string is fixedly connected with the electromagnetic converter through the induction electromagnetic coil and the excitation electromagnetic coil, and forms a closed loop structure with the other end of the steel string, the electromagnetic converter is electrically connected with the transmission cable, and the induction assembly is arranged in the elastic column, so that the error during measurement is effectively reduced, and the measurement precision is improved; through the arrangement of the protective shell, the protective end cover and the connecting mechanism, the protective end cover protects the induction assembly, the induction accuracy is improved, the durability is improved, the connecting mechanism is arranged inside the protective shell, the extension column and the limiting groove are clamped and connected, when the stress of the anchor cable is measured, the damage to equipment due to cracks generated by the stress is avoided, and the service life of the multi-anchor cable string dynamometer is further prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a long-life anchor cable stress-measuring multi-string anchor cable dynamometer according to the present invention;
FIG. 2 is a cross-sectional view of a long-life perforated multi-string anchor cable dynamometer for measuring anchor cable stress according to the present invention;
FIG. 3 is a schematic diagram of a measuring system of a long-life perforating multi-string anchor cable dynamometer for measuring anchor cable stress according to the present invention;
FIG. 4 is a schematic perspective view of a connection mechanism of a long-life perforating multi-string anchor cable dynamometer for measuring anchor cable stress according to the present invention;
fig. 5 is a bottom view of a long-life perforated multi-string anchor line dynamometer for measuring anchor line stress according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below: 1. a dynamometer body; 2. a protective shell; 3. accommodating grooves; 4. an inductive component; 5. a connecting mechanism; 6. energizing the electromagnetic coil; 7. protecting the end cover; 8. a wire collecting box; 9. an elastic column; 10. steel wire; 11. an induction electromagnetic coil; 12. an electromagnetic converter; 13. a jack; 14. a base plate; 15. stretching a pull rod; 16. tensioning the nut; 17. a reaction frame; 18. extending the column; 19. a limiting groove; 20. and a limiting block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, a measure anchor rope stress's long-life multi-string anchor rope dynamometer that punches, including dynamometer main part 1, dynamometer main part 1's bottom is provided with stopper 20, dynamometer main part 1's top middle part is provided with holding tank 3, dynamometer main part 1's top is provided with response subassembly 4, response subassembly 4's quantity is three, the atress is even when having guaranteed that response subassembly 4 is mutual noninterference, dynamometer main part 1's inner wall is provided with protective housing 2, dynamometer main part 1's wearability has been improved.
Elastic columns 9 are arranged on two sides of the accommodating groove 3, an induction electromagnetic coil 11 is arranged on one side opposite to the elastic columns 9, a steel string 10 is fixedly connected to one side opposite to the induction electromagnetic coil 11, three induction components 4 are arranged corresponding to the steel string 10, an excitation electromagnetic coil 6 is arranged on the left side of the steel string 10, a protection end cover 7 is fixedly connected to the left side of the elastic columns 9, an electromagnetic converter 12 is fixedly connected to the right side of the protection end cover 7, one end of the steel string 10 is fixedly connected with the electromagnetic converter 12 through the induction electromagnetic coil 11 and the excitation electromagnetic coil 6, a closed loop is formed with the other end of the steel string 10, stress can be effectively measured, a transmission cable is arranged at the bottom end of the protection end cover 7 and is electrically connected with the electromagnetic converter 12, a junction box 8 is fixedly connected to the top end of the protection end cover 7, the transmission cable can be placed in the junction box 8, and an accommodating groove connecting mechanism 5 is fixedly connected to one side of the protection end cover 7, which is far away from the accommodating groove 3, and coupling mechanism 5 sets up in the inside of protecting sheathing 2, and coupling mechanism 5's bulge is provided with spacing groove 19, and coupling mechanism 5's another partly fixedly connected with extends post 18, extends post 18 and spacing groove 19 joint.
Dynamometer main body 1's bottom has jack 13 through stopper 20 joint, jack 13's bottom fixedly connected with reaction frame 17, dynamometer main body 1's top fixedly connected with backing plate 14, and the top threaded connection of backing plate 14 has stretch-draw nut 16, and stretch-draw nut 16's top fixedly connected with stretch-draw rod 15, and the bottom of stretch-draw rod 15 runs through reaction frame 17's bottom and extends to the outside.
When the dynamometer is used by a person, the dynamometer main body 1 is cleaned, the bottom end of the dynamometer main body 1 is clamped with the jack 13 through the limiting block 20, the other end of the dynamometer main body is clamped with the base plate 14, the tension rod 15 is fixed with the dynamometer main body 1 through the tension nut 16, stability during measurement is guaranteed, meanwhile, one end of the steel string 10 is fixedly connected with the electromagnetic converter 12 through the induction electromagnetic coil 11 and the excitation electromagnetic coil 6 and forms a closed-loop structure with the other end of the steel string, the electromagnetic converter 12 is electrically connected with the transmission cable, the induction assembly 4 is arranged inside the elastic column 9, and measurement accuracy is further improved; and then the jack 13 is started to stretch the dynamometer main body 1, the stress of the anchor cable is measured, when the dynamometer main body is stretched, the protective end cover 7 protects the induction component 4, the extending column 18 arranged on the connecting mechanism 5 is clamped with the limiting groove 19, the equipment cannot be damaged due to the crack generated by the stress, and the service life of the multi-string anchor cable dynamometer is further prolonged.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a measure anchor rope stress's long-life multi-string anchor rope dynamometer that punches, includes dynamometer main part (1), its characterized in that: the dynamometer is characterized in that a containing groove (3) is formed in the middle of the top end of the dynamometer main body (1), an induction component (4) is arranged at the top end of the dynamometer main body (1), and a protective shell (2) is arranged on the inner wall of the dynamometer main body (1);
elastic columns (9) are arranged on two sides of the accommodating groove (3), an induction electromagnetic coil (11) is arranged on one opposite side of each elastic column (9), a steel string (10) is fixedly connected to one side opposite to the induction electromagnetic coil (11), the other end of the steel string (10) is fixedly connected with an excitation electromagnetic coil (6), the left side of the elastic column (9) is fixedly connected with a protective end cover (7), the right side of the protective end cover (7) is fixedly connected with an electromagnetic converter (12), the top end of the protective end cover (7) is fixedly connected with a wire collecting box (8), one side of the protective end cover (7) far away from the accommodating groove (3) is fixedly connected with a connecting mechanism (5), the protruding part of the connecting mechanism (5) is provided with a limiting groove (19), and the other part of the connecting mechanism (5) is fixedly connected with an extending column (18).
2. A long life perforating multi-string cable dynamometer for measuring cable stresses according to claim 1, characterized in that the bottom end of the dynamometer body (1) is provided with a stop block (20) and the connection mechanism (5) is arranged inside the protective case (2).
3. The long-life perforation multi-string anchor cable dynamometer for measuring anchor cable stress according to claim 2, wherein the bottom end of the dynamometer main body (1) is connected with a jack (13) in a clamping manner through a limiting block (20), the bottom end of the jack (13) is fixedly connected with a reaction frame (17), the top end of the dynamometer main body (1) is fixedly connected with a backing plate (14), the top end of the backing plate (14) is connected with a tensioning nut (16) in a threaded manner, and the top end of the tensioning nut (16) is fixedly connected with a tensioning rod (15).
4. A long life perforating multi-string cable dynamometer for measuring cable stresses according to claim 3, characterized by that the bottom end of the tension rod (15) extends through the bottom end of the reaction frame (17) and to the outside.
5. A long life perforating multi-string cable dynamometer for measuring cable stresses according to claim 4, characterized in that the number of said sensing units (4) is three, and three of said sensing units (4) are arranged in correspondence with steel strings (10).
6. A long life perforating multi-string cable dynamometer for measuring cable stresses according to claim 5, characterized by that the steel string (10) is fixed to the electromagnetic converter (12) at one end by means of the induction coil (11) and the excitation coil (6).
7. A long life perforating multi-string cable dynamometer for measuring cable stresses according to claim 6, characterized by that the extended column (18) is snapped into the limit groove (19).
8. A long life perforating multi-string cable dynamometer for measuring cable stress according to claim 7, characterized by that the bottom end of the protection end cap (7) is equipped with transmission cable, and the transmission cable is electrically connected to the electromagnetic converter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121865598.2U CN216132598U (en) | 2021-08-11 | 2021-08-11 | Long-life perforation multi-string anchor cable dynamometer for measuring anchor cable stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121865598.2U CN216132598U (en) | 2021-08-11 | 2021-08-11 | Long-life perforation multi-string anchor cable dynamometer for measuring anchor cable stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216132598U true CN216132598U (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121865598.2U Active CN216132598U (en) | 2021-08-11 | 2021-08-11 | Long-life perforation multi-string anchor cable dynamometer for measuring anchor cable stress |
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| Country | Link |
|---|---|
| CN (1) | CN216132598U (en) |
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2021
- 2021-08-11 CN CN202121865598.2U patent/CN216132598U/en active Active
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