CN215715600U - Cofferdam lowering level control observation instrument - Google Patents
Cofferdam lowering level control observation instrument Download PDFInfo
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- CN215715600U CN215715600U CN202120898486.0U CN202120898486U CN215715600U CN 215715600 U CN215715600 U CN 215715600U CN 202120898486 U CN202120898486 U CN 202120898486U CN 215715600 U CN215715600 U CN 215715600U
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Abstract
The utility model discloses a cofferdam lowering level control observation instrument, which comprises at least two water level observation meters and a plurality of communicating pipes, wherein each water level observation meter respectively comprises a base and an observation pipe, the base is provided with a measuring platform for elevation calibration, the bottom of the base is provided with a connecting seat, the connecting seat is provided with a fixing device, the base is also provided with an upper pipe orifice, a left pipe orifice and a right pipe orifice which are communicated, the upper end of each observation pipe is provided with a water injection hole, the lower end of each observation pipe is connected with the upper pipe orifice, and two ends of each communicating pipe are respectively connected with the left pipe orifice and/or the right pipe orifice of two adjacent water level observation meters. The design can be applied to horizontal control of the top of the cofferdam when the cofferdam is lowered, and has the characteristics of simple structure, easiness in operation, durability, flexibility in movement, high observation precision, high efficiency and the like.
Description
Technical Field
The utility model relates to the technical field of bridge steel cofferdam construction, in particular to a cofferdam lowering level control observation instrument.
Background
At present, the overall horizontal degree of the cofferdam needs to be strictly controlled when the bridge construction cofferdam is transferred, the success of transferring the cofferdam and the subsequent construction process are smoothly linked, and the construction quality of pouring the bearing platform is ensured. In the actual construction process on site, the cofferdam top is inconvenient to stand when the cofferdam is lowered, the traditional visual inspection is mostly adopted, the defects of low precision, large limitation on the observation angle and the like exist, and if an automatic observation instrument is adopted, the cost is higher. Once the cofferdam leads to the cofferdam slope because the synchronous problem of jack in the process of transferring, follow-up adjustment is very difficult, has great quality, potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the device which is simple in structure, convenient to operate and effectively used for observing the descending level degree of the cofferdam.
The technical scheme adopted by the utility model for solving the technical problems is as follows: horizontal control visulizer is transferred to cofferdam, including two at least water level observation meters and a plurality of communicating pipes, each water level observation meter is respectively including base and observation pipe, be equipped with the measuring platform who is used for the elevation demarcation on the base, the bottom of base is equipped with the connecting seat, be equipped with on the connecting seat and install the fixing device at the cofferdam with the visulizer, still be equipped with the last mouth of pipe, left mouth of pipe and the right mouth of pipe that communicate each other on the base, the upper end of observation pipe is equipped with the water injection hole, the lower extreme of observation pipe is connected go up the mouth of pipe, each two adjacent water level observation meters are connected respectively to the both ends of communicating pipe left mouth of pipe and/or right mouth of pipe for all water level observation meters communicate each other.
Further, measuring platform is for setting up the level and smooth platform of base up end, can install on the measuring platform and erect the level chi and carry out the elevation measurement or the prism of installing the total powerstation carries out the elevation measurement, as the measurement control elevation of observation pipe, through measuring the height of this plane to the cofferdam top with the steel ruler, the elevation that this plane measured subtracts the height that this plane reaches the cofferdam top can obtain the elevation of cofferdam top.
Further, the observation tube is including observing inner tube, protecting sheathing and top cap, it installs to observe the inner tube in the protecting sheathing, be equipped with on the protecting sheathing and conveniently observe the fretwork department of inner tube, protecting sheathing's bottom with last nozzle thread connection, protecting sheathing's top with top cap thread connection, be equipped with on the top cap the water injection hole, the water injection hole can guarantee in the water level visualizer with atmospheric pressure balance and conveniently add water, through protecting sheathing's protection, guarantees the life of observation tube to adopt detachable mode installation, convenient construction. The observation inner tube is made of transparent materials (such as glass, plastic, acrylic and the like), and an observation scale convenient for reading the height of the water level is coated inside the observation inner tube; a first sealing gasket is arranged between the bottom of the protective shell and the upper pipe orifice, a second sealing gasket is arranged between the bottom of the observation inner pipe and the protective shell, and a third sealing gasket is arranged between the top of the observation inner pipe and the top cover, so that the integral waterproofness of the observation instrument is ensured; hexagonal nuts are arranged at the bottom and/or the top of the protective shell, and screwing and mounting are facilitated.
Furthermore, the connecting seat is tubulose, the lateral wall of connecting seat is equipped with the screw, fixing device includes the screw rod and revolves the handle, revolve the handle set up in the one end of screw rod, the other end of screw rod is connected the screw and is stretched into in the connecting seat. During installation, the connecting column of cofferdam corner can be directly established to pipy connecting pipe, then makes it stretch into through the screw rod of revolving the fixing device soon the connection of contradicting is carried out to the connecting column in the connecting seat to the fastening installation, convenient and fast.
Further, the connection base is detachably mounted at the bottom of the base by fixing screws/bolts/pins.
Furthermore, the left pipe orifice and the right pipe orifice are provided with wavy/bamboo-shaped/step-shaped anti-slip joints which are conveniently connected with the communicating pipe and can prevent the communicating pipe from falling off.
Furthermore, the number of the water level observation meters and the number of the communicating pipes are four/one, and the water level observation meters and the communicating pipes form a quadrangle in a surrounding mode, so that the construction requirements of most cofferdams can be met.
The utility model has the beneficial effects that: the horizontal control visualizer of this design can be applied to the horizontal control at cofferdam top when the cofferdam is transferred, through fixing the water level observation meter at cofferdam top angular point, with measuring platform's height and cofferdam relative altitude adjustment to the same, with pouring into suitable water after interconnecting the water level observation meter with communicating pipe, can accurately judge the difference in height of cofferdam top angular point through observing the water level relative altitude in the observation meter of different positions, use this as the reference can be with cofferdam adjustment to horizontality, and observe at any time. The design has the characteristics of simple structure, easiness in operation, durability, flexibility in movement, high observation precision, high efficiency and the like.
Drawings
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is an exploded view of the structure of the water level gauge of the present invention;
FIG. 3 is a front view of the structure of the water level indicating gauge of the present invention;
FIG. 4 is a sectional view of the water level indicating gauge according to the present invention in a three-dimensional state;
FIG. 5 is a sectional view of the water level indicating gauge of the present invention in a side view.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1, the observation instrument for controlling the horizontal descending of the cofferdam comprises at least two water level observation meters 1 and a plurality of communicating pipes 2. In this embodiment, the number of the water level observation meters is preferably four, the number of the communicating pipes is preferably four, and the water level observation meters 1 and the communicating pipes 2 form a quadrangle, so that the construction requirements of most cofferdams can be met sufficiently.
As shown in fig. 2-5, each of the observation water level gauges 1 comprises a base 10 and an observation tube, wherein the orientation of the base is described below with reference to fig. 4. The upper end face of the base 10 is provided with a flat measuring platform 100 for elevation calibration, the upper side, the left side and the right side of the base 10 are respectively provided with an upper pipe orifice 101, a left pipe orifice 102 and a right pipe orifice 103 which are communicated with each other, and each of the two ends of the communicating pipe 2 is respectively connected with the left pipe orifice 102 and/or the right pipe orifice 103 of the two adjacent water level observation meters 1, so that all the water level observation meters 1 are communicated with each other.
The observation tube comprises an observation inner tube 111, a protective shell 112 and a top cover 113, wherein the observation inner tube 111 is made of transparent materials (such as glass, plastic, acrylic and the like), and an observation scale convenient for reading the height of the water level is coated inside the observation inner tube 111; the bottom of the protective casing 112 is in threaded connection with the upper nozzle 101, and a first sealing gasket 13 is arranged between the bottom of the protective casing 112 and the upper nozzle 101; the observation inner tube 111 is installed in the protective casing 112, a hollow-out portion is arranged on the protective casing 112, which facilitates observation of the observation inner tube 111, a second sealing gasket 14 is arranged between the bottom of the observation inner tube 111 and the protective casing 112, the top of the protective casing 112 is in threaded connection with the top cover 113, a third sealing gasket 15 is arranged between the top of the observation inner tube 111 and the top cover 113, and the observation inner tube 111 is lined with the third sealing gasket 15 at the top and then is flush with the upper end of the protective casing 112. Be equipped with on top cap 113 the water injection hole, the water injection hole can guarantee in the water level visulizer with atmospheric pressure balanced with conveniently add water, through protecting sheathing's protection, guarantees observation pipe 1's life to adopt detachable mode installation, convenient construction can guarantee the holistic sealed waterproof nature of visulizer through setting up seal gasket.
Further, a standing leveling rod can be installed on the measuring platform 100 to perform elevation measurement or a prism of a total station can be installed to perform elevation measurement, and the measurement control elevation is used as a measurement control elevation of the observation tube.
Furthermore, the left pipe orifice 102 and the right pipe orifice 103 are provided with anti-slip joints which are convenient to connect with the communication pipe 2 and can prevent the communication pipe 2 from falling off, and the anti-slip joints can be wavy, bamboo-shaped or step-shaped.
Furthermore, the bottom and/or the top of the protective casing 112 are/is provided with a hexagonal nut, and the periphery of the top cover 113 is provided with anti-skid concave-convex grains, so that the screwing and installation are convenient.
The cofferdam lowering level control observation instrument can be applied to the level control of the top of the cofferdam when the cofferdam is lowered, the height of the measuring platform 100 of all the water level observation instruments 1 is adjusted to be the same as the relative height of the cofferdam by fixing the water level observation instruments 1 at the angular points at the top of the cofferdam by the connecting seats 121 (specifically, the height of the measuring platform 100 of each water level observation instrument 1 is adjusted to be the same as the relative height of the cofferdam (specifically, the height of the measuring platform 100 of each water level observation instrument 1 is measured by a total station through installing a standing leveling rod on the measuring platform 100 of each water level observation instrument 1 or by placing a prism to measure the height by a total station to obtain the height H of the measuring platform 100 of each water level observation instrument 1 to the top of the cofferdam, the height L (H-H.) of the cofferdam where each water level observation instrument 1 is located can be obtained, the proper amount of water is poured after all the water level observation instruments 1 are mutually connected by the communicating pipes 2, the relative height of the water levels in the observation instruments at different positions can accurately judge the height of the angular points at the top of the cofferdam, the cofferdam can be adjusted to be in a horizontal state by taking the cofferdam as a reference, and the cofferdam can be observed at any time.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made in the claims and the description of the present invention are within the scope of the present invention.
Claims (10)
1. Horizontal control visulizer is transferred to cofferdam, its characterized in that, including two at least water level observation meters and a plurality of communicating pipes, each water level observation meter is respectively including base and observation pipe, be equipped with the measuring platform who is used for the elevation demarcation on the base, the bottom of base is equipped with the connecting seat, be equipped with fixing device on the connecting seat, still be equipped with the last mouth of pipe, left mouth of pipe and the right mouth of pipe of intercommunication on the base, the upper end of observation pipe is equipped with the water injection hole, the lower extreme of observation pipe is connected go up the mouth of pipe, each two adjacent water level observation meters are connected respectively to the both ends of communicating pipe left mouth of pipe and/or right mouth of pipe.
2. The observation instrument for controlling the descending level of the cofferdam according to claim 1, wherein the observation tube comprises an observation inner tube, a protective shell and a top cover, the observation inner tube is installed in the protective shell, the protective shell is provided with a hollow part for conveniently observing the observation inner tube, the bottom of the protective shell is in threaded connection with the upper pipe orifice, the top of the protective shell is in threaded connection with the top cover, and the top cover is provided with the water injection hole.
3. The observation instrument for controlling the descending level of the cofferdam as claimed in claim 2, wherein the observation inner tube is made of transparent material, and an observation scale for conveniently reading the height of the water level is arranged inside the observation inner tube.
4. The observation instrument for controlling the descending level of the cofferdam as claimed in claim 2, wherein a first sealing gasket is arranged between the bottom of the protective casing and the upper spout.
5. The observation instrument for controlling the level of lowered cofferdam as claimed in claim 2 or 4, wherein a second sealing gasket is arranged between the bottom of the observation inner tube and the protective casing, and a third sealing gasket is arranged between the top of the observation inner tube and the top cover.
6. The observation instrument for controlling the descending level of the cofferdam according to claim 2, wherein a hexagonal nut is provided at the bottom and/or the top of the protecting casing.
7. The observation instrument for controlling the descending level of the cofferdam according to claim 1 or 2, wherein the connecting base is tubular, the side wall of the connecting base is provided with a screw hole, the fixing device comprises a screw rod and a knob, the knob is arranged at one end of the screw rod, and the other end of the screw rod is connected with the screw hole.
8. The observation instrument for controlling the descending level of the cofferdam according to claim 7, wherein the connection base is detachably installed at the bottom of the base by a fixing screw or a fixing bolt or a fixing pin.
9. The observation instrument for controlling the descending level of the cofferdam according to claim 1, wherein the left and right nozzles are provided with anti-slip joints connected with the communicating pipe.
10. The cofferdam lowering level control observation instrument according to claim 1, wherein the number of said water level observation gauges is four, and the number of said communicating pipes is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120898486.0U CN215715600U (en) | 2021-04-28 | 2021-04-28 | Cofferdam lowering level control observation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120898486.0U CN215715600U (en) | 2021-04-28 | 2021-04-28 | Cofferdam lowering level control observation instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215715600U true CN215715600U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120898486.0U Active CN215715600U (en) | 2021-04-28 | 2021-04-28 | Cofferdam lowering level control observation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215715600U (en) |
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2021
- 2021-04-28 CN CN202120898486.0U patent/CN215715600U/en active Active
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