CN212742478U - Vibrating string type earth pressure gauge - Google Patents

Vibrating string type earth pressure gauge Download PDF

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Publication number
CN212742478U
CN212742478U CN202020901458.5U CN202020901458U CN212742478U CN 212742478 U CN212742478 U CN 212742478U CN 202020901458 U CN202020901458 U CN 202020901458U CN 212742478 U CN212742478 U CN 212742478U
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China
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pressure gauge
end cover
end part
soil pressure
earth pressure
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CN202020901458.5U
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周兰
李志�
张睿
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Jiaotong Railway Inspection and Certification Center Chengdu Co Ltd JRCC
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Jiaotong Railway Inspection and Certification Center Chengdu Co Ltd JRCC
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Abstract

The utility model discloses a vibrating wire formula soil pressure gauge relates to geotechnical engineering monitoring technology field, has solved and has buried underground or inlay solid soil pressure gauge among the prior art and produce the displacement easily to make the measuring point skew, cause the problem that the monitoring data precision is low, its technical scheme main points are: the telescopic rod type electric heating cooker comprises an upper end cover, a lower end cover and a main body positioned between the upper end cover and the lower end cover, wherein the end part of the upper end cover is rotatably connected with a plurality of telescopic rods through a rotating shaft, and the end part of the lower end cover is provided with jacks for the telescopic rods to be inserted; the end part of the jack is provided with a notch; the effect of improving the accuracy of data and the working efficiency of workers is achieved.

Description

Vibrating string type earth pressure gauge
Technical Field
The utility model relates to a geotechnical engineering monitoring technology field, more specifically says, it relates to string vibration formula soil pressure gauge.
Background
The soil pressure gauge is effective monitoring equipment which can know the variation of soil pressure in the tested structure and synchronously measure the temperature of a buried point, and is suitable for measuring the pressure stress of soil bodies in the structures such as earth-rock dams, earth dikes, side slopes, roadbed and the like for a long time; when the soil stress in the structure to be measured changes, the induction plate of the soil pressure gauge synchronously senses the change of the stress, the induction plate deforms, the deformation is transmitted to the vibrating wire and is converted into the change of the stress of the vibrating wire, so that the vibration frequency of the vibrating wire is changed, the vibrating wire is excited by the electromagnetic coil and the vibration frequency of the vibrating wire is measured, the frequency signal is transmitted to the reading device through the cable, and the pressure stress value of the structure to be measured can be measured; meanwhile, the temperature value of the embedded point can be synchronously measured.
Among the prior art, the earth pressure gauge is by the backplate, the tablet, the signal transmission cable, vibrating wire and excitation solenoid etc. constitute, reserve or dig the hole groove on the surface tested, then inlay the earth pressure gauge on the building surface admittedly, or with it bury in the measuring point can, but present earth pressure gauge is discoid mostly, make the displacement of producing easily, thereby cause the measuring point skew, make data inaccurate, lead to influencing staff's analysis and judgement, reduce staff's work efficiency, improve the work degree of difficulty.
Therefore, how to design the vibrating wire type earth pressure gauge is a problem which is urgently needed to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vibrating wire formula soil pressure gauge has and prevents to bury or inlay solid soil pressure gauge and produce the displacement to cause the purpose of measuring point skew, reach the effect that improves the accuracy of data and staff's work efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions: the telescopic rod type electric heating cooker comprises an upper end cover, a lower end cover and a main body positioned between the upper end cover and the lower end cover, wherein the end part of the upper end cover is rotatably connected with a plurality of telescopic rods through a rotating shaft, and the end part of the lower end cover is provided with jacks for the telescopic rods to be inserted; the end of the jack is provided with a notch.
By adopting the technical scheme, when the soil pressure gauge is buried in a point to be tested, the telescopic rods are adjusted through the rotating shaft and are inserted into the insertion holes through the gaps, and then the end parts of the telescopic rods, far away from the rotating shaft, are inserted into the range of the predicted point, so that the soil pressure gauge is fixed, the soil pressure gauge is not easy to displace after being buried, the measuring point is prevented from deviating, the problem of large error of detected data is solved, and the accuracy of the data and the working efficiency of workers are improved; the telescopic rod is used for conveniently fixing the position of the soil pressure gauge and preventing the soil pressure gauge from generating displacement in the re-detection process, so that the monitoring point is deviated, and the monitoring data is inaccurate; utilize the breach, the telescopic link of being convenient for is taken out from the jack, the dismantlement and the installation of the soil pressure gauge of being convenient for.
The utility model discloses further set up to: the telescopic rod comprises a fixed rod and a sleeve rod; the fixed rod is rotatably connected with the upper end cover.
Through adopting above-mentioned technical scheme, utilize dead lever and loop bar, the flexible of the telescopic link of being convenient for makes things convenient for soil pressure gauge's dismantlement and installation simultaneously.
The utility model discloses further set up to: the diameter of the notch is smaller than that of the sleeve rod; the diameter of the fixing rod is directly smaller than that of the notch.
Through adopting above-mentioned technical scheme, make the dead lever can pass through the breach, and the loop bar can not pass through the breach, thereby make after the installation, extrusion force compression telescopic link, the dead lever has cup jointed completely with the loop bar this moment, and make the telescopic link can not see through the breach roll-off, thereby lose the supporting role, when soil pressure gauge dismantles, outside pulling force makes the telescopic link stretch out, thereby make the dead lever roll-off from the loop bar, thereby make the telescopic link can follow the roll-off in the breach, convenient to detach.
The utility model discloses further set up to: the end part of the loop bar, which is far away from the fixed bar, is provided with a cone.
By adopting the technical scheme, the telescopic rod can be conveniently inserted into a predicted range by utilizing the vertebral body.
The utility model discloses further set up to: the edge ring of the main body is provided with a groove.
Through adopting above-mentioned technical scheme, utilize the recess, be convenient for clear up the rubbish that is located between upper cover plate and the lower cover plate, the recess of circular arc makes rubbish adhesive force reduce.
The utility model discloses further set up to: the end part of the main body is provided with a lead post, and the end part of the lead post is provided with a rubber ring.
Through adopting above-mentioned technical scheme, utilize lead wire post and rubber circle, the external lead wire that links to each other with the soil pressure gauge of being convenient for gives the certain protection of lead wire simultaneously, prevents that the lead wire from breaking easily.
The utility model discloses further set up to: and the upper end cover, the lower end cover and the outer wall of the main body are all provided with metal anticorrosive layers.
Through adopting above-mentioned technical scheme, utilize the metal anticorrosive coating, prevent that the outer wall of soil pressure gauge is corroded in burying the measurement station, improve corrosion resistance.
To sum up, the utility model discloses following beneficial effect has: when the soil pressure gauge is buried in a point to be tested, the telescopic rods are adjusted through the rotating shaft and are inserted into the insertion holes through the notches, and then the end parts, far away from the rotating shaft, of the telescopic rods are inserted into the range of a predicted point, so that the soil pressure gauge is fixed, displacement is not easy to occur after the soil pressure gauge is buried, the measuring point is prevented from deviating, and the problem of large detection data error is solved, so that the accuracy of data and the working efficiency of workers are improved; the telescopic rod is used for conveniently fixing the position of the soil pressure gauge and preventing the soil pressure gauge from generating displacement in the re-detection process, so that the monitoring point is deviated, and the monitoring data is inaccurate; the gap is utilized, so that the telescopic rod can be conveniently taken out of the jack, and the soil pressure gauge can be conveniently disassembled and assembled; make the dead lever can pass through the breach, and the loop bar can not pass through the breach to make after the installation is accomplished, extrusion force compression telescopic link, the dead lever has cup jointed completely this moment with the loop bar, and makes the telescopic link can not see through the breach roll-off, thereby loses the supporting role, when soil pressure gauge dismantles, outside pulling force makes the telescopic link stretch out, thereby makes the dead lever roll-off from the loop bar, thereby makes the telescopic link roll-off in can following the breach, convenient to detach.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 structural diagram of the whole in the embodiment of the present invention;
fig. 2 is a schematic view of the structure in the direction a in fig. 1.
In the figure: 1. an upper end cover; 11. a lower end cover; 12. a main body; 13. a rotating shaft; 14. a telescopic rod; 15. a jack; 16. a notch; 17. fixing the rod; 18. a loop bar; 19. a vertebral body; 21. a groove; 22. a lead post; 23. a rubber ring; 24. and a metal anticorrosive layer.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): vibration wire formula soil pressure gauge, as shown in fig. 1 and 2, including upper end cover 1, lower extreme cover 11 and the main part 12 that is located between upper end cover 1 and lower extreme cover 11, 1 tip of upper end cover rotates through pivot 13 and is connected with three telescopic links 14, utilizes telescopic link 14, and the position of the fixed soil pressure gauge of being convenient for prevents that it from producing the displacement in the retest process to lead to the monitoring point skew, make the monitoring data inaccuracy. The end part of the lower end cover 11 is provided with a jack 15 for the insertion of the telescopic rod 14. The end of the jack 15 is provided with a notch 16. By utilizing the notch 16, the telescopic rod 14 can be conveniently taken out of the jack 15, and the soil pressure gauge can be conveniently detached and installed. When burying the soil pressure gauge in the point that needs the test underground, through pivot 13 adjustment telescopic link 14, make it peg graft in jack 15 through breach 16, the tip that keeps away from pivot 13 with many telescopic links 14 again inserts the within range of prediction point, thereby fixed soil pressure gauge makes it accomplish after burying underground, the difficult displacement that takes place, prevent that the measuring point from producing the skew, and the big problem of detection data error appears, thereby the accuracy of data and staff's work efficiency has been improved.
As shown in fig. 1, the telescopic rod 14 includes a fixing rod 17 and a loop rod 18. The fixing rod 17 is rotatably connected with the upper end cover 1. By utilizing the fixing rod 17 and the sleeve rod 18, the telescopic rod 14 can be conveniently stretched, and the soil pressure gauge can be conveniently detached and installed.
As shown in fig. 1 and 2, the diameter of the notch 16 is smaller than the diameter of the loop bar 18; the diameter of the fixing rod 17 is directly smaller than the diameter of the notch 16. Make dead lever 17 can pass through breach 16, and breach 16 can not passed through by loop bar 18, thereby make after the installation is accomplished, extrusion force compression telescopic link 14, dead lever 17 has cup jointed completely with loop bar 18 this moment, and make telescopic link 14 can not see through the 16 roll-offs in breach, thereby lose the supporting role, when the soil pressure gauge is dismantled, outside pulling force makes telescopic link 14 stretch out, thereby make dead lever 17 follow roll-off in loop bar 18, thereby make telescopic link 14 can follow the roll-off in breach 16, convenient to detach.
As shown in fig. 1, the end of the loop bar 18 remote from the fixation bar 17 is provided with a cone 19. The use of the vertebral body 19 facilitates insertion of the extension rod 14 within the predicted range.
As shown in fig. 1, the body 12 is provided with a groove 21 around its edge. By utilizing the groove 21, the garbage between the upper cover plate and the lower cover plate can be cleaned conveniently, and the adhesion force of the garbage is reduced by the arc-shaped groove 21.
As shown in fig. 2, a lead post 22 is provided at an end of the main body 12, and a rubber ring 23 is provided at an end of the lead post 22. By utilizing the lead post 22 and the rubber ring 23, the lead connected with the soil pressure gauge is convenient to connect externally, and meanwhile, the lead is protected to a certain extent, so that the lead is prevented from being broken easily.
As shown in fig. 1 and 2, the outer walls of the upper end cap 1, the lower end cap 11 and the main body 12 are all provided with a metal corrosion protection layer 24. The outer wall of the soil pressure gauge is prevented from being corroded in the buried measuring point by the metal anticorrosive coating 24, and the corrosion resistance is improved.
The working principle is as follows: when the soil pressure gauge is buried in a point to be tested, the telescopic rods 14 are adjusted through the rotating shaft 13 and are inserted into the insertion holes 15 through the notches 16, and then the end parts, far away from the rotating shaft 13, of the telescopic rods 14 are inserted into the range of a predicted point, so that the soil pressure gauge is fixed, the soil pressure gauge is not easy to displace after being buried, the measuring point is prevented from deviating, the problem of large error of detected data is solved, and the accuracy of data and the working efficiency of workers are improved; the telescopic rod 14 is used for conveniently fixing the position of the soil pressure gauge and preventing the soil pressure gauge from generating displacement in the re-detection process, so that the monitoring point is deviated, and the monitoring data is inaccurate; by utilizing the notch 16, the telescopic rod 14 can be conveniently taken out of the jack 15, and the soil pressure gauge can be conveniently detached and installed.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (7)

1. Vibration wire formula soil pressure gauge includes upper end cover (1), lower extreme cover (11) and is located main part (12) between upper end cover (1) and lower extreme cover (11), characterized by: the end part of the upper end cover (1) is rotatably connected with a plurality of telescopic rods (14) through a rotating shaft (13), and the end part of the lower end cover (11) is provided with insertion holes (15) for the telescopic rods (14) to be inserted; the end part of the jack (15) is provided with a gap (16).
2. The vibrating wire earth pressure gauge according to claim 1, wherein: the telescopic rod (14) comprises a fixed rod (17) and a loop bar (18); the fixing rod (17) is rotatably connected with the upper end cover (1).
3. The vibrating wire earth pressure gauge according to claim 2, wherein: the diameter of the notch (16) is smaller than that of the loop bar (18); the diameter of the fixing rod (17) is directly smaller than that of the notch (16).
4. The vibrating wire earth pressure gauge according to claim 3, wherein: the end part of the loop bar (18) far away from the fixed bar (17) is provided with a cone body (19).
5. The vibrating wire earth pressure gauge according to claim 1, wherein: the edge of the main body (12) is annularly provided with a groove (21).
6. The vibrating wire earth pressure gauge according to claim 1, wherein: the end part of the main body (12) is provided with a lead post (22), and the end part of the lead post (22) is provided with a rubber ring (23).
7. The vibrating wire earth pressure gauge according to claim 1, wherein: and the outer walls of the upper end cover (1), the lower end cover (11) and the main body (12) are all provided with a metal anticorrosive layer (24).
CN202020901458.5U 2020-05-26 2020-05-26 Vibrating string type earth pressure gauge Active CN212742478U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020901458.5U CN212742478U (en) 2020-05-26 2020-05-26 Vibrating string type earth pressure gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020901458.5U CN212742478U (en) 2020-05-26 2020-05-26 Vibrating string type earth pressure gauge

Publications (1)

Publication Number Publication Date
CN212742478U true CN212742478U (en) 2021-03-19

Family

ID=75006658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020901458.5U Active CN212742478U (en) 2020-05-26 2020-05-26 Vibrating string type earth pressure gauge

Country Status (1)

Country Link
CN (1) CN212742478U (en)

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