CN222561180U - A hanging ear type suspension rod cable force testing device - Google Patents
A hanging ear type suspension rod cable force testing device Download PDFInfo
- Publication number
- CN222561180U CN222561180U CN202420578654.1U CN202420578654U CN222561180U CN 222561180 U CN222561180 U CN 222561180U CN 202420578654 U CN202420578654 U CN 202420578654U CN 222561180 U CN222561180 U CN 222561180U
- Authority
- CN
- China
- Prior art keywords
- cable
- carrier plate
- pressure sensor
- testing device
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a lifting lug type suspender cable force testing device which is provided with a carrier plate and a stress frame body in a matched manner, so that the carrier plate and the stress frame body are respectively connected with a cable of an upper half section and a cable of a lower half section, the tension of the cable is influenced and buckled together, a pressure sensor clamped between the carrier plate and the cable can accurately monitor the tension of the cable, the lifting lug type suspender cable force testing device can be connected in a cable stress structure of a bridge in series, the pressure sensor can accurately monitor the cable force for a long time, nuts can be slowly unscrewed, the carrier plate can be separated from a pressure testing surface, then workers can maintain and replace the pressure sensor, and the lifting lug type suspender cable force testing device is simple and convenient to operate and high in reliability.
Description
Technical Field
The utility model relates to the technical field of lifting lug type lifting rod cable force testing devices, in particular to a lifting lug type lifting rod cable force testing device.
Background
In recent years, bridge engineering in China is continuously developed, and the problem of bridge safety is increasingly receiving social importance. The cable force state is an important index for measuring bridge safety, and accurate monitoring of the distribution and change of the stay cable force can provide a basis for subsequent analysis of the internal force change of the bridge structure.
Currently cable force monitoring can be measured by a vibration frequency method and a pressure sensor. The measuring accuracy of the vibration frequency method is influenced by factors such as cable length, a shock absorber, an outer sheath and the like, and parameters such as inertia moment, bending rigidity and the like of the cable are difficult to determine, so that a certain error exists in final cable force measurement. The pressure sensor has high measurement precision and can monitor for a long time in an automatic measurement mode. However, as the pressure sensor is connected in series in the stress structure, once damaged, the bridge is hard to repair or replace, the service life of the bridge is more than 100 years, and the service life of the pressure sensor is mostly 3-5 years.
Disclosure of utility model
Therefore, in order to solve the above-mentioned problem, an object of the present utility model is to provide a lifting lug type hanger bar cable force testing device, which comprises a stress frame body, wherein a pressure groove is formed in the stress frame body, the pressure groove comprises a pressure testing surface, a carrier plate is arranged in the pressure groove, the carrier plate can move in the pressure groove along the direction of a guy cable, one surface of the carrier plate facing the pressure testing surface is connected with a pressure sensor, the pressure sensor is abutted to the pressure testing surface, the stress frame body is connected with a lower section guy cable, and the carrier plate is connected with an upper section guy cable.
Preferably, the support plate is provided with a preformed hole, a screw rod penetrates through the preformed hole, a nut and a nut thread are arranged on one face, facing away from the pressure sensor, of the support plate, one end, far away from the nut, of the screw rod is connected with a double-lug-plate connecting piece, and the support plate is connected with the upper section of inhaul cable through the double-lug-plate connecting piece.
Preferably, one end of the stress frame body, which is far away from the double-lug-plate connecting piece, is connected with the single-lug-plate connecting piece, and the stress frame body is connected with the lower half section of inhaul cable through the single-lug-plate connecting piece.
Preferably, the carrier plate is rectangular, and the reserved holes are four and are respectively formed at corners of the rectangular carrier plate.
Preferably, the carrier plate is provided with limit columns circumferentially arranged by taking the pressure sensor as a center.
Preferably, the pressure sensor is connected with an acquisition module.
The beneficial effects of the utility model are as follows:
The utility model can be connected in series in the inhaul cable stress structure of the bridge, the pressure sensor can accurately monitor the cable force for a long time, the nut is unscrewed slowly, the carrier plate can be separated from the pressure test surface, then the pressure sensor can be maintained and replaced by staff, the operation is simple and convenient, and the reliability is high.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic upper side structure of the present utility model;
FIG. 2 is a schematic view of the underside structure of the present utility model;
FIG. 3 is a schematic view of a split structure of the present utility model;
The reference numerals indicate that 1, a stress frame body, 2, a carrier plate, 21, a nut, 3, a pressure sensor, 31, a limit column, 4, a screw, 5, a double-lug plate connecting piece and 6, a single-lug plate connecting piece.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intervening medium, or may be in communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Example 1:
Fig. 1-3 show a lifting lug type boom cable force testing device provided by the utility model, which comprises a stress frame body 1, wherein a pressure groove is formed in the stress frame body 1, a pressure testing surface is arranged in the pressure groove, a carrier plate 2 is clamped in the pressure groove, the carrier plate 2 can move forward or backward in the pressure groove along the direction of a cable, a pressure sensor 3 is arranged on the carrier plate 2, the carrier plate 2 and the stress frame body 1 are respectively connected with the upper half section and the lower half section of the cable, the cable provides opposite force for the carrier plate 2 and the stress frame body 1, so that the carrier plate 2 and the stress frame body 1 move relatively and are in butt clamping, at the moment, the pressure sensor 3 is in butt joint on the pressure testing surface, and the pressure sensor 3 can monitor the pressure born by the carrier plate.
The carrier plate 2 is connected with the cable through screw rod 4, nut 21 and otic placode cooperation, specifically, be equipped with the preformed hole on the carrier plate 2, wear screw rod 4 in the preformed hole, the one side of carrier plate 2 back to pressure sensor 3 is equipped with nut 21, nut 21 threaded connection is on screw rod 4, the one end that nut 21 was kept away from to screw rod 4 is connected with the otic placode connecting piece 5, carrier plate 2 passes through the otic placode connecting piece 5 and is connected with the first section cable, the first section's cable corresponds the otic placode connecting piece 5 and disposes the otic placode jib, when the cable applys pulling force to the otic placode connecting piece 5, the pulling screw rod 4 removes, the pressure towards the pressure test face is applyed to carrier plate 2 at carrier plate 2 back to pressure sensor 3 to the one side of nut 21 butt, realize pressure sensor 3 butt and measure the purpose of cable force on the pressure test face.
The one end that atress framework 1 kept away from monaural board connecting piece 5 is connected with monaural board connecting piece 6, and atress framework 1 passes through monaural board connecting piece 6 and is connected with half lower section cable, and specifically, the cable of half lower section corresponds monaural board connecting piece 6 and disposes the monaural board jib, and when the cable applys pulling force to monaural board connecting piece 6, the pulling atress framework 1 is relative carrier plate 2's direction of movement reverse removal, makes pressure sensor 3 compress tightly on the pressure test face.
The single-lug plate connecting piece 6 and the double-lug plate hanging rod as well as the double-lug plate connecting piece 5 and the single-lug plate hanging rod can be fixedly connected together through coaxial bolt holes.
The carrier plate 2 is the rectangle, is convenient for make, connect, and correspondingly, the preformed hole has four and divides the corner of establishing at rectangle carrier plate 2, and screw rod 4, nut 21 also have four groups, and four screw rods 4 are connected simultaneously on a ears board connecting piece 5.
The carrier plate 2 is provided with limit posts 31 circumferentially arranged with the pressure sensor 3 as a center for limiting the offset and dislocation of the pressure sensor 3.
The pressure sensor 3 is connected with an acquisition module, and the acquisition module collects data fed back by the pressure sensor 3 and transmits the data to the bridge safety monitoring center through wireless transmission, so that the cable force can be automatically monitored in real time, a threshold value can be preset according to the cable force, and a warning is sent out after the cable force reaches a certain threshold value, and the data communication technology is adopted in the part and is not described in detail herein.
Working principle:
Supporting carrier plate 2 and atress framework 1 of setting up makes both be connected with the cable of upper half section and lower half section respectively and draws cable pulling force influence lock together, and the pressure sensor 3 of clamp between the two can accurate monitoring cable pulling force, when pressure sensor 3 reaches life or trouble, twists nut 21 makes it keep away from the pressure test face of atress framework 1, carrier plate 2 is along with pressure sensor 3 and pressure test face separation, can maintain, change pressure sensor 3 this moment, has many cables on the bridge, changes pressure sensor 3 one by one and can not influence the normal use of bridge.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420578654.1U CN222561180U (en) | 2024-03-22 | 2024-03-22 | A hanging ear type suspension rod cable force testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420578654.1U CN222561180U (en) | 2024-03-22 | 2024-03-22 | A hanging ear type suspension rod cable force testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222561180U true CN222561180U (en) | 2025-03-04 |
Family
ID=94758592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420578654.1U Active CN222561180U (en) | 2024-03-22 | 2024-03-22 | A hanging ear type suspension rod cable force testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222561180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120101999A (en) * | 2025-05-09 | 2025-06-06 | 北京工业大学 | A device and method for measuring cable force and lug position |
-
2024
- 2024-03-22 CN CN202420578654.1U patent/CN222561180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120101999A (en) * | 2025-05-09 | 2025-06-06 | 北京工业大学 | A device and method for measuring cable force and lug position |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107328513B (en) | An online tension detector for high-voltage cables | |
| CN222561180U (en) | A hanging ear type suspension rod cable force testing device | |
| CN201532316U (en) | Bolt sleeve static force testing test bench | |
| CN215894226U (en) | Intelligent self-sensing double-block type sleeper calibration system | |
| CN213903163U (en) | Socket joint type disc buckle type steel pipe support component strength testing device | |
| CN210037465U (en) | Static bending experimental device for steel rail welding joint | |
| CN206112258U (en) | Spring hangers and support with automatic monitoring analysis and warning function | |
| CN209470867U (en) | A kind of crowded de- power testing stand of goat | |
| CN221572057U (en) | Compression load test tool for pressure indication gasket | |
| CN211425893U (en) | Building cylinder load detection device | |
| CN212621237U (en) | Combined feed-through anchor cable force cell sensor | |
| CN206161216U (en) | No trace power of shaking tester is picked up to three orientations of multisensor | |
| CN214894106U (en) | Special equipment detection device for testing rigidity of crane | |
| CN213301544U (en) | Bridge inhaul cable force increment accurate measurement device | |
| CN210954120U (en) | Diode electrical property detection device | |
| CN223258910U (en) | A grouting sleeve joint displacement deformation measuring device | |
| CN212621238U (en) | Bridge inhaul cable force increment measuring device | |
| CN102814608A (en) | Device for mounting and locating fiber grating spot-welding type strain sensor | |
| CN211740861U (en) | Tension clamp for detecting tensile strength of retainer | |
| CN219224400U (en) | Portable carbon fiber strength detector | |
| CN223926164U (en) | An experimental apparatus for creep and stress relaxation of fibers and composite materials | |
| CN212378664U (en) | Quick detection device of pneumatic cylinder cap | |
| CN217481659U (en) | Hydraulic oil cylinder stroke signal testing device using wind power plant | |
| CN223581588U (en) | Device for testing technical parameters of bridge expansion joint | |
| CN207963717U (en) | A kind of measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |