CN219495194U - Underwater bottom-sealing concrete elevation measuring tool - Google Patents
Underwater bottom-sealing concrete elevation measuring tool Download PDFInfo
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- CN219495194U CN219495194U CN202320021451.8U CN202320021451U CN219495194U CN 219495194 U CN219495194 U CN 219495194U CN 202320021451 U CN202320021451 U CN 202320021451U CN 219495194 U CN219495194 U CN 219495194U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to the technical field of bearing platform construction, in particular to an underwater back cover concrete elevation measuring tool, which comprises a wire coil, a bracket, a measuring rope and a measuring device; the wire coil is of a spool structure, a central shaft is fixedly connected in a central hole of the wire coil, the wire coil is connected with a bracket through the central shaft, a bearing is arranged at the joint of the central shaft and the bracket, a motor is arranged on one side of the bracket, and the output end of the motor is fixedly connected with the central shaft; the support can be fixed on the ground, an extension frame with a cross rod is arranged in front of the support, and the extension frame can be pulled out and retracted along the support in the horizontal direction; the measuring rope is wound on the wire coil, the movable end of the measuring rope bypasses the cross rod of the extension frame and then is connected with the measuring device, and a tension sensor is arranged between the measuring rope and the measuring device; the measuring device comprises a round steel plate and a fixed measuring rod connected to the center of the steel plate. The utility model has simple and quick operation, can improve the accuracy of measurement and simultaneously improve the working efficiency.
Description
Technical Field
The utility model relates to the technical field of bearing platform construction, in particular to an underwater back cover concrete elevation measuring tool.
Background
The bearing platform is a reinforced concrete platform which is arranged at the top of the foundation pile and is connected with the pile tops for bearing and distributing the load transmitted by the pier body. In the river-crossing bridge, the bridge pier is generally positioned on a river bed or a bank, underground water at the pier position is rich, the bearing platform structure is mostly positioned below the underground water level, and the construction of the bearing platform mostly adopts the construction technology of a steel sheet pile cofferdam or a steel sleeve cofferdam retaining wall and an underwater concrete back cover. The first pouring and sealing bottom concrete is a key link of pouring underwater bottom sealing concrete, and directly influences the quality and vertical bearing capacity of the main structure.
When underwater concrete is poured, the embedding depth of the guide pipe below the water surface or the slurry surface and the height of the poured concrete surface should be detected in time so as to control the thickness of the sediment layer and ensure the emptying height of the bottom end of the guide pipe. If the detection is inaccurate, the accidents such as too thick sediment, leakage of the catheter, too deep pipe burying and the like occur, and the interlayer or the catheter is not pulled out are caused. Therefore, the method for measuring the thickness of the underwater back cover concrete is an important work, and a relatively accurate and rapid method and a detection tool are adopted. The existing depth measuring hammer method is judged completely by the feelings of different gravities of a measuring hammer lifted in the hand of a detector before contacting the top surface of the concrete and after contacting the top surface of the concrete, and the measuring hammer is sunk too deeply after contacting the surface of the concrete, so that the measuring data has larger randomness, and the embedding depth of the guide pipe can not be effectively ensured. Therefore, a novel underwater back cover concrete elevation measuring tool is urgently needed to solve the existing problems.
Disclosure of Invention
The utility model aims at: the underwater back cover concrete elevation measuring tool is simple and quick to operate, can improve measuring accuracy and work efficiency.
The technical scheme of the utility model is as follows:
an underwater back cover concrete elevation measuring tool comprises a wire coil, a bracket, a measuring rope and a measuring device; the method is characterized in that: the wire coil is of a spool structure, a central shaft is fixedly connected in a central hole of the wire coil, the wire coil is connected with a bracket through the central shaft, a bearing is arranged at the joint of the central shaft and the bracket, a motor is arranged on one side of the bracket, and the output end of the motor is fixedly connected with the central shaft; the support can be fixed on the ground, an extension frame with a cross rod is arranged in front of the support, and the extension frame can be pulled out and retracted along the support in the horizontal direction; the measuring rope is wound on the wire coil, the movable end of the measuring rope bypasses the cross rod of the extension frame and then is connected with the measuring device, and a tension sensor is arranged between the measuring rope and the measuring device; the measuring device comprises a round steel plate and a fixed measuring rod connected to the center of the steel plate.
Further, sliding rails are respectively arranged on two sides of the bracket; the support be close to ground one end and be provided with the fixed orifices, the universal wheel that has locking means is installed to the support bottom.
Further, two sliding strips are arranged at the bottom of the extension frame and are clamped in two sliding rails of the support, the sliding strips can horizontally slide along the sliding rails, one ends, extending out of the two sliding strips, of the two sliding strips are respectively fixedly connected with a supporting rod, and the cross rod is fixed between the two supporting rods.
Further, the cross rod is provided with a guide wheel, and the measuring rope bypasses the upper part of the excircle of the guide wheel.
Further, the position of the guide wheel on the cross rod is adjustable.
Furthermore, the measuring rope is provided with scales.
Furthermore, the periphery of the fixed measuring rod of the measuring device is fixed with a diagonal rod support, the top of the fixed measuring rod is provided with a pull ring, and the measuring rope is fixed on the pull ring.
Furthermore, water permeable holes are uniformly distributed on the steel plate.
Further, the motor is fixed on a supporting table at one side of the bracket.
The utility model has the beneficial effects that:
1. the wire coil can be used for neatly winding the measuring ropes, so that the wire coil is convenient to store and arrange; meanwhile, the wire coil is connected with the motor, the wire coil can be driven to rotate through the motor, and a measuring rope does not need to be lifted and put manually during measurement, so that labor is saved, and efficiency is improved;
2. the measuring rope is provided with scales, the direct reading can be realized, the length of the fixed measuring rod is fixed, and the sinking depth of the measuring device can be calculated easily;
3. the extension frame can stretch the rope measurement support, and when some positions far away from the wire coil are measured, the extension frame can drive the rope to extend, and the wire coil does not need to be moved, so that the downward measurement can be performed;
4. the universal wheels are arranged at the bottom of the bracket and can be fixed on the ground through the locking device, the bracket can be firmly fixed on the ground through the fixing holes, and the movable fixing is flexible and convenient to operate;
5. the steel plate of the measuring device is provided with the water permeable holes, so that the sedimentation speed of the measuring device in water can be improved, and the measuring time is saved.
In a word, the utility model effectively solves the problems that in the detection process of the traditional detection tool, the detector carries the sounding hammer to judge inaccurately through the feeling of different gravities before and after contacting the top surface of the concrete, the speed is slow and the sounding hammer possibly falls into too deep after contacting the top surface of the concrete due to manual retraction of the sounding rope, and effectively improves the accuracy and convenience of the detection.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic diagram of the connection structure of the wire coil, the bracket and the motor;
FIG. 4 is a schematic view of the structure of the extension frame;
fig. 5 is a schematic structural view of the measuring device.
In the figure: 1. a bracket; 1-1, universal wheels; 1-2, a sliding rail; 1-3, fixing holes; 2. wire coil; 2-1, a central shaft; 3. rope measurement; 4. a measuring device; 4-1, fixing a measuring rod; 4-2, diagonal rods; 4-3, steel plate; 4-4, water permeable holes; 4-5, pull ring; 5. an extension frame; 5-1, a slide bar; 5-2, supporting rods; 5-3, a guide wheel; 5-4, a cross bar; 6. a motor; 7. and a support table.
The specific embodiment is as follows:
the following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
An underwater back cover concrete elevation measuring tool as shown in figures 1-5 comprises a wire coil 2, a bracket 1, a measuring rope 3 and a measuring device 4; the wire coil 2 is of an I-shaped wheel structure, a central hole of the wire coil 2 is internally provided with the wire coil 2, the wire coil 2 can rotate around a central shaft 2-1, two ends of the wire coil 2 are connected with a support 1 through the central shaft 2-1, bearings are arranged at the joint of the central shaft 2-1 and the support 1, one side of the support 1 is provided with a motor 6, and the output end of the motor 6 is fixedly connected with the central shaft 2-1; the motor 6 is fixed on a supporting table 7 at one side of the bracket 1.
The wire coil 2 can be used for neatly winding the measuring rope 3, so that the wire coil is convenient to store and arrange; meanwhile, the wire coil 2 is connected with the motor 6, the wire coil 2 can be driven to rotate through the motor 6, and the measuring rope 3 does not need to be lifted and released manually during measurement, so that the labor is saved, and the efficiency is improved.
The wire coil machine is characterized in that a fixing hole 1-3 is formed in one end, close to the ground, of the support 1, a universal wheel 1-1 with a locking device is arranged at the bottom of the support 1, the support 1 can be fixed on the ground by penetrating an anchoring piece through the fixing hole 1-3 under the condition that the locking device is insufficient for stabilizing the wire coil 2, an extension frame 5 with a cross rod 5-4 is arranged in front of the support 1, and the extension frame 5 can be pulled out and retracted along the support 1 in the horizontal direction; the two sides of the bracket 1 are respectively provided with a sliding rail 1-2, two sliding strips 5-1 are arranged at the bottom of the extension frame 5 and are clamped in the two sliding rails 1-2 of the bracket 1, and the sliding strips 5-1 can horizontally slide along the sliding rails 1-2. When measuring at a position slightly far from the front of the wire coil 2, the extension frame 5 can drive the wire rope to extend forwards, and the wire coil 2 is not required to be moved to carry out the lowering measurement.
The end faces, extending out of the two sliding strips 5-1, are respectively fixedly connected with a supporting rod 5-2, and the cross rod 5-4 is fixed between the two supporting rods 5-2. The transverse rod 5-4 is provided with a guide wheel 5-3, and the measuring rope 3 winds around the periphery of the guide wheel 5-3. The position of the guide wheel 5-3 on the cross bar 5-4 is adjustable.
The measuring rope 3 is wound on the wire coil 2, and scales are arranged on the measuring rope 3. The movable end of the measuring rope 3 bypasses the upper part of the cross rod 5-4 of the extension frame 5 and then is connected with the measuring device 4. The measuring rope 3 is provided with scales, can be directly read, the length of the fixed measuring rod 4-1 is fixed, and the sinking depth of the measuring device 4 can be easily calculated. And a tension sensor is arranged between the measuring rope 3 and the measuring device 4, so that pressure data can be read in time, and whether the measuring device 4 stops descending is judged.
The measuring device 4 comprises a round steel plate 4-3 and a fixed measuring rod 4-1 connected to the center of the steel plate 4-3, the periphery of the fixed measuring rod 4-1 of the measuring device 4 is fixedly provided with an inclined rod 4-2 for supporting, the inclined rod 4-2 is welded between the fixed measuring rod 4-1 and the steel plate 4-3, and the stability of the fixed measuring rod 4-1 is improved. The top of the fixed measuring rod 4-1 is provided with a pull ring 4-5, and the measuring rope 3 is fixed on the pull ring 4-5. The steel plate 4-3 is uniformly provided with water permeable holes 4-4. The water permeable holes 4-4 can improve the sedimentation velocity in water and save the measurement time.
In specific use:
firstly, determining the position of the whole measuring tool, wherein the fixed position can be changed according to the field condition, so that the measuring operation of workers is convenient; the bracket 1 is moved to a determined measuring position through the universal wheel 1-1 at the bottom of the bracket 1, then a locking device of the universal wheel 1-1 is locked, meanwhile, the motor 6 and the supporting table 7 are also adjusted to a position opposite to the wire coil 2, and the bracket 1 is installed and fixed on the ground through the fixing hole 1-3 when necessary; after the bracket 1 is fixed, the slide bar 5-1 of the extension frame 5 is pulled out along the slide rail 1-2 of the bracket 1, the support bar 5-2 of the extension frame 5 can play an auxiliary supporting role on the ground, and can also extend to the position above the measurement water surface according to the construction condition, so that the measurement range is enlarged.
Confirm that the measuring rope 3 bypasses the guide wheel 5-3 on the cross bar 5-4 of the extension frame 5, the guide wheel 5-3 can slide on the cross bar 5-4 to adjust the measuring rope 3 to the optimal position, and the movable end of the measuring rope 3 is connected to the measuring device 4.
Finally, aiming at the position of the underwater back cover concrete pile foundation to be measured, throwing the measuring device 4 into water, at the moment, enabling the measuring device 4 to fall downwards by means of gravity, enabling the wire coil 2 to rotate under the tension of the measuring rope 3, and when the measuring device 4 reaches the top surface of the concrete, not driving the measuring rope 3 to descend any more, and enabling the measuring rope 3 to not pull the wire coil 2 to rotate any more; at the moment, reading the value of a tension sensor between the measuring rope 3 and the measuring device 4, and confirming that the measuring device 4 is settled in place; the motor 6 can be started when the measuring device 4 descends, the motor 6 drives the wire coil 2 to slowly rotate through the central shaft 2-1 in a low-speed state, the measuring device 4 is assisted to descend, the speed is improved, but the value of the tension sensor is observed in time, and whether the measuring device 4 stops descending or not is conveniently confirmed.
After the measuring device 4 is confirmed to reach the top of the pile foundation, the scale of the reference surface corresponding to the measuring rope 3 is read, the length of the measuring rod 4-1 is fixed, and then the casting thickness of the back cover concrete is calculated, so that the measurement is completed.
After the measurement is completed, the motor 6 is started to reversely rotate, so that the central shaft 2-1 drives the wire coil 2 to wind the measuring rope 3 onto the wire coil 2, and meanwhile, the measuring rope 3 pulls the measuring device 4 to ascend, and finally, the measuring rope returns to the initial position.
The above description is merely a preferred embodiment of the present utility model, and the above illustration is not to be construed as limiting the spirit of the present utility model in any way, and any simple modification or variation of the above embodiments according to the technical spirit of the present utility model, and equivalent embodiments that may be changed or modified to equivalent variations using the above disclosed technical spirit of the present utility model, will fall within the scope of the technical solutions of the present utility model, without departing from the spirit and scope of the present utility model.
Claims (9)
1. An underwater bottom sealing concrete elevation measuring tool comprises a wire coil (2), a bracket, a measuring rope (3) and a measuring device (4); the method is characterized in that: the wire coil (2) is of a spool structure, a central shaft (2-1) is fixedly connected in a central hole of the wire coil (2), the wire coil (2) is connected with a support through the central shaft (2-1), a bearing is arranged at the joint of the central shaft (2-1) and the support, a motor (6) is arranged on one side of the support, and the output end of the motor (6) is fixedly connected with the central shaft (2-1); the support can be fixed on the ground, an extension frame (5) with a cross rod (5-4) is arranged in front of the support, and the extension frame (5) can be pulled out and retracted in the horizontal direction along the support; the measuring rope (3) is wound on the wire coil (2), and the movable end of the measuring rope (3) bypasses the cross rod (5-4) of the extension frame (5) and is connected with the measuring device (4); the measuring device (4) comprises a round steel plate (4-3) and a fixed measuring rod (4-1) connected to the center of the steel plate (4-3).
2. The underwater back cover concrete elevation measurement tool of claim 1, wherein: slide rails (1-2) are respectively arranged on two sides of the bracket; one end of the bracket, which is close to the ground, is provided with a fixing hole (1-3), and the bottom surface of the bracket is provided with a universal wheel (1-1) with a locking device.
3. The underwater back cover concrete elevation measurement tool of claim 1, wherein: two sliding strips (5-1) are arranged at the bottom of the extension frame (5), the two sliding strips (5-1) are clamped in the two sliding rails (1-2) of the support, the sliding strips (5-1) can horizontally slide along the sliding rails (1-2), one ends, extending out of the two sliding strips (5-1), of the two sliding strips are respectively fixedly connected with one supporting rod (5-2), and the cross rod (5-4) is fixed between the two supporting rods (5-2).
4. An underwater back cover concrete elevation measurement tool as claimed in claim 3, wherein: the transverse rod (5-4) is provided with a guide wheel (5-3), and the measuring rope (3) is arranged above the excircle of the guide wheel (5-3).
5. The underwater back cover concrete elevation measurement tool of claim 4, wherein: the position of the guide wheel (5-3) on the cross bar (5-4) is adjustable.
6. The underwater back cover concrete elevation measurement tool of claim 1, wherein: the measuring rope (3) is provided with scales, and a tension sensor is arranged between the measuring rope (3) and the measuring device (4).
7. The underwater back cover concrete elevation measurement tool of claim 1, wherein: the periphery of a fixed measuring rod (4-1) of the measuring device (4) is fixed with an inclined rod (4-2) for supporting, a pull ring (4-5) is arranged at the top of the fixed measuring rod (4-1), and the measuring rope (3) is fixed on the pull ring (4-5).
8. The underwater back cover concrete elevation measurement tool of claim 7, wherein: the steel plate (4-3) is uniformly provided with water permeable holes (4-4).
9. The underwater back cover concrete elevation measurement tool of claim 1, wherein: the motor (6) is fixed on a supporting table (7) at one side of the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320021451.8U CN219495194U (en) | 2023-01-05 | 2023-01-05 | Underwater bottom-sealing concrete elevation measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320021451.8U CN219495194U (en) | 2023-01-05 | 2023-01-05 | Underwater bottom-sealing concrete elevation measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219495194U true CN219495194U (en) | 2023-08-08 |
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ID=87510972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320021451.8U Active CN219495194U (en) | 2023-01-05 | 2023-01-05 | Underwater bottom-sealing concrete elevation measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219495194U (en) |
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2023
- 2023-01-05 CN CN202320021451.8U patent/CN219495194U/en active Active
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