CN216201957U - TDR moisture meter installation and fixing device suitable for soil property tunnel - Google Patents
TDR moisture meter installation and fixing device suitable for soil property tunnel Download PDFInfo
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- CN216201957U CN216201957U CN202122739280.6U CN202122739280U CN216201957U CN 216201957 U CN216201957 U CN 216201957U CN 202122739280 U CN202122739280 U CN 202122739280U CN 216201957 U CN216201957 U CN 216201957U
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Abstract
The utility model discloses a TDR moisture meter mounting and fixing device suitable for a soil tunnel, which belongs to the technical field of tunnel engineering field test equipment. The buffer device is arranged on the tray, so that the rigid tray is effectively prevented from being in direct contact with the brittle TDR moisture meter, the lower end of an element is prevented from being damaged due to various objective factors during manual installation, the survival rate of the element is ensured, the two fixing devices can achieve the effect of free movement through the adjusting bolts, the fixing devices are suitable for installation positions with different lengths, the TDR moisture meter is stably arranged at any position in the circumferential direction of the tunnel by means of the steel arch or the reinforcing mesh, the falling risk is avoided, the installation is simple, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of tunnel engineering field test equipment, in particular to a TDR moisture meter mounting and fixing device suitable for a soil tunnel.
Background
The rule of interaction with a water environment in the process of underground excavation of a tunnel is one of the technical problems solved by tunnel builders for many years, and in the past, the transport rule of the moisture of a soil tunnel and the quantity value of the moisture content are mainly researched by means of theoretical analysis and indoor tests. The field test has small disturbance to the soil body, and the test result is more in line with the field reality. Therefore, a TDR moisture meter sensor is introduced in the field test of the natural moisture content of the soil tunnel.
The TDR moisture meter is widely applied to aspects such as agricultural irrigation systems, soil moisture content monitoring, hydrology and water conservancy monitoring, and the effective measurement area of the TDR moisture meter needs to be in close contact with the soil body. When the device is vertically installed, a hole with the diameter of 50mm is dug, the soil body water content sensor is inserted into an area to be measured, and local soil is used for filling and compacting.
The TDR moisture meter sensor is used for researching moisture infiltration conditions of the earth surface and the side slope outside the tunnel in the past, but according to tunnel design and construction experience, underground water inside tunnel surrounding rocks threatens long-term safety of tunnel excavation and operation under tunnel construction interference. In order to find out the rule that underground water causes unstable and collapsed rock-soil mass, a TDR moisture meter sensor is arranged in tunnel surrounding rock. However, when the device is installed in the surrounding rock vertically or obliquely at a large angle, most practitioners need a relatively complex auxiliary installation tool or an additional welding process, the installation is greatly limited by space, the risk that the TDR moisture meter sensor and backfill fall is high, and the survival rate of the device and the accuracy of measurement cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a TDR moisture meter mounting and fixing device suitable for a soil tunnel, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a TDR moisture meter installation and fixing device suitable for soil property tunnel, includes strutting arrangement and fixing device, strutting arrangement includes the tray, and the upper end of tray is fixed with first bracing piece, and the upper end of tray runs through and is equipped with the through-hole, fixing device includes first fixed part and second bracing piece, the upper end of second bracing piece is fixed with the third bracing piece, the one end of second bracing piece is connected with the stiff end, and one side of second bracing piece is equipped with U type groove, and U type inslot runs through there is adjusting bolt, and adjusting bolt's top is fixed with the movable end, the inner wall in U type groove runs through there is steel strand wires, and one side of second bracing piece runs through there is adjusting bolt, and the top of third bracing piece is equipped with bolt adjusting part, and the top of bolt adjusting part runs through there is the ball silk screw rod, and the bottom of ball silk screw rod is connected with first fixed part.
Preferably, four reinforcing steel bars are fixed at the lower end of the tray, and the length of each reinforcing steel bar is 1-2 cm.
Preferably, a buffer device is fixed at the lower end of the tray, and the buffer device is a rubber pad.
Preferably, the surface of first bracing piece is connected with solid fixed ring, gu fixed ring includes rectangle iron sheet and arc ring.
Preferably, a first adjusting screw and a second adjusting screw penetrate through the inner wall of the rectangular iron sheet.
Preferably, one side of the third supporting rod is provided with a bolt adjusting part, and one side of the third supporting rod is correspondingly provided with a U-shaped groove.
Preferably, the U-shaped groove is internally connected with a walking end through an adjusting bolt.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the buffer device is arranged on the tray, so that the direct contact between the rigid tray and the brittle TDR moisture meter is effectively avoided, the damage to the lower end of an element caused by various objective factors during manual installation is avoided, the survival rate of the element is ensured, the two fixing devices can achieve the effect of free movement through the adjusting bolt, the fixing devices are suitable for installation positions with different lengths, the TDR moisture meter is stably arranged at any position in the circumferential direction of the tunnel by means of the steel arch or the reinforcing mesh, the falling risk is avoided, the installation is simple, and the practicability is high;
(2) the fixing device comprises two fixing parts, the fixing effect is guaranteed, the TDR moisture meter can be fixed at any position in the circumferential direction of the tunnel by means of the steel arch or the reinforcing mesh, the limitation that elements such as a traditional soil pressure cell and the like need to be fixed by means of tools or welding during installation is eliminated, the installation is simple, and the practicability is high.
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 perspective view of a TDR moisture meter mounting and fixing device for a soil tunnel according to the present invention;
FIG. 2 is an enlarged view of the installation and fixing device A of the TDR moisture meter for a soil tunnel according to the present invention in FIG. 1;
FIG. 3 is a bottom view structural view of the TDR moisture meter mounting and fixing device for a soil tunnel according to the present invention;
FIG. 4 is an enlarged view of B in FIG. 3 of the TDR moisture meter mounting and fixing device for a soil tunnel according to the present invention;
FIG. 5 is a side view of a TDR moisture meter mounting and securing apparatus of the present invention adapted for use in a soil tunnel;
FIG. 6 is a connection view of a ball screw of the TDR moisture meter mounting and fixing device for a soil tunnel according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. reinforcing steel bars; 2. a through hole; 3. a buffer device; 4. a tray; 5. a first support bar; 6. a first fixing member; 7. a second support bar; 71. a third support bar; 8. a fixed end; 9. a movable end; 10. adjusting the bolt; 11. a bolt adjustment member; 12. a U-shaped groove; 13. a walking end; 14. a bolt adjustment member; 15. a ball screw; 16. a fixing ring; 20. a first adjusting screw; 21. rectangular iron and steel sheets; 22. a second adjusting screw; 23. an arc-shaped ring; 24. adjusting the bolt; 25. and (4) steel strands.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a TDR moisture meter installation and fixing device suitable for a soil tunnel comprises a supporting device and a fixing device, wherein the supporting device comprises a tray 4, four steel bars 1 are fixed at the lower end of the tray 4, the length of each steel bar 1 is 1-2cm, a buffer device 3 is fixed at the lower end of the tray 4, the buffer device 3 is a rubber pad, a first supporting rod 5 is fixed at the upper end of the tray 4, a fixing ring 16 is connected to the surface of the first supporting rod 5, the fixing ring 16 comprises a rectangular steel sheet 21 and an arc-shaped ring 23, a first adjusting screw 20 and a second adjusting screw 22 penetrate through the inner wall of the rectangular steel sheet 21, a through hole 2 penetrates through the upper end of the tray 4, the fixing device comprises a first fixing part 6 and a second supporting rod 7, a third supporting rod 71 is fixed at the upper end of the second supporting rod 7, a fixing end 8 is connected to one end of the second supporting rod 7, a U-shaped groove 12 is arranged on one side of the second supporting rod 7, an adjusting bolt 24 penetrates through the U-shaped groove 12, a movable end 9 is fixed at the top of the adjusting bolt 24, a steel strand 25 penetrates through the inner wall of the U-shaped groove 12, an adjusting bolt 10 penetrates through one side of the second supporting rod 7, a bolt adjusting part 11 is arranged at one side of the third supporting rod 71, a U-shaped groove 12 is correspondingly arranged at one side of the third supporting rod 71, a walking end 13 is connected with the U-shaped groove 12 through the adjusting bolt 24, a bolt adjusting part 14 is arranged at the top of the third supporting rod 71, a ball screw 15 penetrates through the top of the bolt adjusting part 14, and the bottom of the ball screw 15 is connected with a first fixing part 6;
the through holes 2 are used for penetrating through a TDR moisture meter line, the buffer device 3 is a rubber pad and is used for installing a TDR moisture meter and has a buffer function, two fixing rings 16 are arranged and are respectively used for connecting external steel materials and have a fixing function, the second supporting rod 7 and the third supporting rod 71 are arranged in an axisymmetric mode, the second supporting rod 7 is used for fixing an upper flange plate of an external steel arch frame through matching with a U-shaped groove 12 and an adjusting bolt 24 which are arranged on the side face of the second supporting rod, and the third supporting rod 71 is used for fixing a lower flange plate of the external steel arch frame through matching with the adjusting bolt 24 and a walking end 13 on one side of the third supporting rod;
the tray 4 is round, the top of the center thereof is welded with the first support rod 5 and one end of the ball screw 15, and the position of the second support rod 7 can be changed by adjusting the part 14 through bolts at two ends of the ball screw 15, so as to achieve the purpose of adapting to the steel arch center;
the first fixing part 6 is fixed to the position, which is on the primary support reinforcing steel bar net and is circumferential to the reinforcing steel bar, of the primary support reinforcing steel bar net and comprises two first adjusting screw rods 20 and two fixing rings 16, the first adjusting screw rods 20 and rectangular iron sheets 21 are fixed to the reinforcing steel bar net, and the arc-shaped rings 23 and the second adjusting screw rods 22 are connected through the first adjusting screw rods 20 and the second adjusting screw rods 22;
the adjusting bolt 10 is adjusted manually, the movable end 9 moves on the second supporting rod 7 through the length of the steel strand 25, and when the fixed end 8 and the movable end 9 are integrally clamped on the flange plate of the steel arch frame, the adjusting bolt 10 is loosened, so that secondary fixing of the TDR moisture meter is realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a TDR moisture meter installation and fixing device suitable for soil property tunnel, includes strutting arrangement and fixing device, its characterized in that: the supporting device comprises a tray (4), a first supporting rod (5) is fixed at the upper end of the tray (4), a through hole (2) is formed in the upper end of the tray (4) in a penetrating mode, the fixing device comprises a first fixing part (6) and a second supporting rod (7), a third supporting rod (71) is fixed at the upper end of the second supporting rod (7), one end of the second supporting rod (7) is connected with a fixed end (8), a U-shaped groove (12) is formed in one side of the second supporting rod (7), an adjusting bolt (24) penetrates through the U-shaped groove (12), a movable end (9) is fixed at the top of the adjusting bolt (24), a steel strand (25) penetrates through the inner wall of the U-shaped groove (12), an adjusting bolt (10) penetrates through one side of the second supporting rod (7), a bolt adjusting part (14) is arranged at the top of the third supporting rod (71), and a ball screw (15) penetrates through the top of the bolt adjusting part (14), the bottom of the ball screw (15) is connected with a first fixing part (6).
2. The TDR moisture meter installing and fixing device suitable for the soil tunnel according to claim 1, wherein: the lower end of the tray (4) is fixed with four steel bars (1), and the length of the four steel bars (1) is 1-2 cm.
3. The TDR moisture meter installing and fixing device suitable for the soil tunnel according to claim 1, wherein: the lower end of the tray (4) is fixed with a buffer device (3), and the buffer device (3) is a rubber pad.
4. The TDR moisture meter installing and fixing device suitable for the soil tunnel according to claim 1, wherein: the surface of first bracing piece (5) is connected with solid fixed ring (16), gu fixed ring (16) include rectangle iron and steel piece (21) and arc ring (23).
5. The TDR moisture meter installing and fixing device suitable for the soil tunnel according to claim 4, wherein: and a first adjusting screw rod (20) and a second adjusting screw rod (22) penetrate through the inner wall of the rectangular iron and steel sheet (21).
6. The TDR moisture meter installing and fixing device suitable for the soil tunnel according to claim 1, wherein: and a bolt adjusting part (11) is arranged on one side of the third supporting rod (71), and a U-shaped groove (12) is correspondingly arranged on one side of the third supporting rod (71).
7. The TDR moisture meter installing and fixing device suitable for the soil tunnel according to claim 1, wherein: and a walking end (13) is connected in the U-shaped groove (12) through an adjusting bolt (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122739280.6U CN216201957U (en) | 2021-11-10 | 2021-11-10 | TDR moisture meter installation and fixing device suitable for soil property tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122739280.6U CN216201957U (en) | 2021-11-10 | 2021-11-10 | TDR moisture meter installation and fixing device suitable for soil property tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216201957U true CN216201957U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122739280.6U Active CN216201957U (en) | 2021-11-10 | 2021-11-10 | TDR moisture meter installation and fixing device suitable for soil property tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216201957U (en) |
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2021
- 2021-11-10 CN CN202122739280.6U patent/CN216201957U/en active Active
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