CN210288328U - Precipitation depth measuring device for precipitation well - Google Patents
Precipitation depth measuring device for precipitation well Download PDFInfo
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- CN210288328U CN210288328U CN201920991211.4U CN201920991211U CN210288328U CN 210288328 U CN210288328 U CN 210288328U CN 201920991211 U CN201920991211 U CN 201920991211U CN 210288328 U CN210288328 U CN 210288328U
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- precipitation
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Abstract
The utility model discloses a precipitation well precipitation degree of depth measuring device, including resistance measuring instrument and hammerhead, be connected with two wires on the resistance measuring instrument, the other end of two wires with the hammerhead links to each other. The utility model has the advantages of simple structure, higher measurement accuracy and the like.
Description
Technical Field
The utility model relates to a measuring instrument technical field especially relates to a precipitation well precipitation degree of depth measuring device.
Background
During the construction of underground subway stations, in order to ensure the construction safety, the underground water level in the station range needs to be measured, the general method is to adopt a scale mark to directly extend into a precipitation well pipe well for measurement, and the measurement method is not beneficial to ensuring the measurement precision of the precipitation depth because the scale mark can not extend into the water surface.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, have higher measurement accuracy's precipitation well precipitation degree of depth measuring device.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the precipitation depth measuring device of the precipitation well comprises a resistance measuring instrument and a hanging hammer, wherein two wires are connected to the resistance measuring instrument, and the other ends of the two wires are connected with the hanging hammer.
As a further improvement of the above technical solution: the suspension hammer is provided with two spiral wiring grooves which are arranged in a crossed mode, the lower end of each spiral wiring groove is provided with a wire clamping groove, two wires are wound in the two spiral wiring grooves in a one-to-one correspondence mode, and the tail end of each wire is clamped in the wire clamping groove.
As a further improvement of the above technical solution: and the part of the lead wire between the resistance measuring instrument and the hanging hammer is provided with depth scales.
As a further improvement of the above technical solution: the measuring instrument is a universal meter.
As a further improvement of the above technical solution: the hanging hammer is of a cylindrical structure.
As a further improvement of the above technical solution: the hanging hammer is a plastic hanging hammer.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a precipitation well precipitation degree of depth measuring device, the electric conductive property of water is utilized, when the drop hammer utilized gravity to take two wires along precipitation well tube well descending contact surface, the resistance of resistance measuring apparatu can take place the sudden change (air resistance is regarded as infinitely great), and measurement operating personnel can accurately judge that the wire just in time contacts the surface of water this moment, notes the scale that the wire descends and can learn the precipitation degree of depth, and simple structure, convenient to use have higher measurement accuracy.
Drawings
Figure 1 is the structure schematic diagram of the precipitation well precipitation depth measuring device of the utility model.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a view B-B of fig. 1.
Fig. 4 is a view C-C of fig. 1.
Fig. 5 is an enlarged view at D in fig. 1.
The reference numerals in the figures denote: 1. a resistance measuring instrument; 2. hanging a hammer; 21. a spiral wiring groove; 22. a wire clamp groove; 3. a wire; 31. depth graduation; 4. a dewatering well pipe well; 5. a pumping pipe of the dewatering well.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 5 show the utility model discloses precipitation well precipitation degree of depth measuring device's an embodiment, precipitation well precipitation degree of depth measuring device of this embodiment, including resistance measuring instrument 1 and sash weight 2, be connected with two wires 3 on the resistance measuring instrument 1, the other end of two wires 3 links to each other with sash weight 2.
This precipitation well precipitation degree of depth measuring device, the electric conductive property of water is utilized, when the davit 2 utilizes gravity to take two wires 3 along 4 decline contact surface of precipitation well tubular well, the resistance of resistance measuring apparatu 1 can take place the sudden change (air resistance is regarded as infinitely big), and measurement operating personnel can accurately judge that wire 3 just in time contacts the surface of water this moment, notes the scale that wire 3 descends and can learn the precipitation degree of depth, simple structure, convenient to use have higher measurement accuracy.
Further, in this embodiment, the hanging hammer 2 is provided with two spiral wiring grooves 21 arranged in a crossing manner, the lower end of each spiral wiring groove 21 is provided with a wire clamping groove 22, and the two wires 3 are wound in the two spiral wiring grooves 21 in a one-to-one correspondence manner and the tail ends of the two wires are clamped in the wire clamping grooves 22. This structure makes two wires 3 alternately alternate in order to connect fixed sash weight 2, simple structure, easy dismounting, good reliability, and need not to fix with the help of other spare parts, and wire draw-in groove 22 ensures that wire 3 is located inside wire draw-in groove 22.
Further, in the present embodiment, a portion of the lead wire 3 between the resistance measuring instrument 1 and the hammer 2 is provided with a depth scale 31. Through the depth scale 31, the measurement operator can intuitively and quickly know the depth of precipitation.
In the present embodiment, the measuring instrument 1 is a multimeter, and the knob is rotated to the resistance level during measurement. Of course, in other embodiments, other devices for measuring resistance may be used.
As a preferable technical solution, in this embodiment, the hanging weight 2 has a cylindrical structure, which facilitates winding of the wire 33.
As a preferred technical solution, in this embodiment, the hanging weight 2 is a plastic hanging weight, which facilitates to process the spiral wiring groove 21 and the wire clamping groove 22 on the hanging weight 2.
The utility model discloses a use method as follows:
when precipitation well water level was measured, opened universal meter to resistance shelves, resistance display is unlimited this moment, places wire 3 and sash weight 4 in precipitation well tubular well 4, slowly descends, notices and observes universal meter resistance reading, treats that universal meter resistance reading takes place the sudden change, and the data of the degree of depth scale on wire 3 in precipitation well tubular well 4 top edge is precipitation degree of depth promptly this moment.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a precipitation well precipitation depth measuring device which characterized in that: the resistance measuring device comprises a resistance measuring instrument (1) and a hanging hammer (2), wherein two wires (3) are connected to the resistance measuring instrument (1), and the other ends of the two wires (3) are connected with the hanging hammer (2).
2. The precipitation well precipitation depth measuring device of claim 1, wherein: the suspension hammer (2) is provided with two spiral wiring grooves (21) which are arranged in a crossed mode, the lower end of each spiral wiring groove (21) is provided with a wire clamping groove (22), and two wires (3) are wound in the two spiral wiring grooves (21) in a one-to-one mode, and the tail ends of the wires are clamped in the wire clamping grooves (22).
3. The precipitation well precipitation depth measuring device of claim 1 or 2, wherein: the part of the lead (3) between the resistance measuring instrument (1) and the hanging hammer (2) is provided with a depth scale (31).
4. The precipitation well precipitation depth measuring device of claim 1 or 2, wherein: the measuring instrument (1) is a universal meter.
5. The precipitation well precipitation depth measuring device of claim 1 or 2, wherein: the hanging hammer (2) is of a cylindrical structure.
6. The precipitation well precipitation depth measuring device of claim 5, wherein: the hanging hammer (2) is a plastic hanging hammer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920991211.4U CN210288328U (en) | 2019-06-27 | 2019-06-27 | Precipitation depth measuring device for precipitation well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920991211.4U CN210288328U (en) | 2019-06-27 | 2019-06-27 | Precipitation depth measuring device for precipitation well |
Publications (1)
Publication Number | Publication Date |
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CN210288328U true CN210288328U (en) | 2020-04-10 |
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CN201920991211.4U Active CN210288328U (en) | 2019-06-27 | 2019-06-27 | Precipitation depth measuring device for precipitation well |
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2019
- 2019-06-27 CN CN201920991211.4U patent/CN210288328U/en active Active
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