Blind well height difference measuring tool

Abstract

The utility model discloses a blind well height difference measuring tool which comprises a static pressure chamber of a closed structure, a pressure sensor, a central module, a connecting assembly and a plurality of containing pieces communicated with the static pressure chamber. The containing part is of a flexible tubular structure, one end of the containing part is fixedly installed above the static pressure cavity through a connecting assembly, the other end of the containing part is communicated with the atmosphere so that the outside can be communicated with the interior of the static pressure cavity, and the containing part and the static pressure cavity are filled with solutions during measurement; the pressure sensor is fixedly or detachably mounted in the static pressure chamber and is used for measuring the pressure of a solution in the static pressure chamber; the central module is electrically connected to the pressure sensor. And the vertical distance between the ground and the static pressure chamber of the bent blind well can be measured through the mutual cooperation of the static pressure chamber and the accommodating piece, so that the measurement difficulty is reduced, the influence of the surrounding environment on the measurement value is reduced, the measurement accuracy is improved, a measurer can conveniently determine whether actual installation is in place or not, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the measuring technical field of blind well, especially to a blind well height difference measuring tool. BACKGROUND

[0002] Generally, the probe of the out-of-core nuclear instrument system of a nuclear power project is installed in a guide pipe, the guide pipe is in a two-section bending shape, the guide pipe is pre-buried and installed in a concrete building during the construction of the guide pipe, and the probe is suspended in the guide pipe by using a steel cable during the late probe installation, and the required design installation height is controlled through the length of the steel cable. However, the length of the required steel cable can only be determined through theoretical calculation or physical simulation verification, and whether the actual situation on site is in place cannot be measured.

[0003] Moreover, the measurement of the non-vertical blind well is more difficult for the theoretical calculation and simulation verification scheme, and the calculated result is affected by the installation environment on site, and the actual deviation can be large. After installation, there is no other method or tool to confirm that the installation is in place. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a blind well height difference measuring tool.

[0005] The utility model adopts the technical scheme in the technical solution: a blind well height difference measuring tool is constructed, comprising: a static pressure chamber of a closed structure, a pressure sensor, a central module, a connecting assembly, and a plurality of containing pieces in communication with the static pressure chamber;

[0006] The containing piece is in a flexible tubular structure, one end of the containing piece is fixedly installed above the static pressure chamber through the connecting assembly, the other end of the containing piece is in communication with the atmosphere to enable the outside and the inside of the static pressure chamber to be in mutual communication, and the containing piece and the static pressure chamber are filled with a solution during measurement; the pressure sensor is fixedly or detachably installed in the inside of the static pressure chamber, and the pressure of the solution in the static pressure chamber is measured; and the central module is electrically connected to the pressure sensor.

[0007] Further, the containing piece is a transparent hose.

[0008] Further, a scale line is arranged on the containing piece.

[0009] Further, the solution has a color.

[0010] Further, the static pressure chamber is in a seamless closed structure in a spherical shape, a capsule shape, or a polyhedral shape.

[0011] Further, the connecting assembly comprises: a mounting sleeve and a locking sleeve matched with the mounting sleeve, the mounting sleeve is fixedly installed on the static pressure chamber, the locking sleeve is rotationally connected to the containing piece, and the locking sleeve is connected to the mounting sleeve through a threaded pair.

[0012] Further, the blind well height difference measuring tool further comprises a hoisting assembly, the hoisting assembly comprises: a lifting lug and a lifting groove, at least two of the lifting lug are fixedly installed on the static pressure chamber, and the lifting groove is arranged on the lifting lug.

[0013] Further, the blind well height difference measuring tool further comprises a plurality of protection assemblies, the plurality of protection assemblies are evenly installed around the static pressure chamber, and each of the protection assemblies comprises: a first mounting seat and a roller, the first mounting seat is installed outside the static pressure chamber, and the roller is correspondingly rotatably connected to the first mounting seat.

[0014] Further, the blind well height difference measuring tool further comprises a plurality of protection assemblies, the plurality of protection assemblies are evenly installed around the static pressure chamber, and each of the protection assemblies comprises: a second mounting seat and a roller, the second mounting seat is installed on the static pressure chamber, and the roller is correspondingly rotatably connected to the second mounting seat.

[0015] Further, a funnel is inserted on the top of the containing piece, a handle is arranged on the funnel, and a liquid guide opening is arranged on the funnel.

[0016] The utility model discloses have the following beneficial effects:

[0017] The connecting assembly is convenient for the measurer to install the containing piece on the static pressure chamber, improves the installation efficiency on site, and further improves the efficiency of measuring the height of the blind well. The plurality of containing pieces in communication with the static pressure chamber form a communicating vessel, the solution in each containing piece is at the same level after the solution is injected into the communicating vessel, and the height between the solution and the ground is recorded by the central module when the solution is level with the ground. The central module can directly record the value of h, the operation is more convenient, the efficiency of measurement is improved, the vertical distance between the curved blind well and the static pressure chamber can be measured through the cooperation of the static pressure chamber and the containing piece, the difficulty of measurement is reduced, the influence of the surrounding environment on the measured value is reduced, the accuracy of measurement is improved, the measurer can determine whether the installation is in place, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and examples, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope.

[0019] In the drawings:

[0020] Figure 1 Fig. 1 is a structural schematic diagram of a blind well height difference measuring tool in some embodiments of the present application;

[0021] Figure 2 Fig. 2 is a structural schematic diagram of a connecting assembly in the present application;

[0022] Figure 3 Fig. 3 is a structural schematic diagram of a hoisting assembly in the present application;

[0023] Figure 4 Fig. 4 is a structural schematic diagram of a funnel in the present application.

[0024] Legend to the figures

[0025] Static pressure chamber 1, pressure sensor 2, central module 3, connecting assembly 4, mounting sleeve 41, locking sleeve 42, containing piece 5, hoisting assembly 6, lifting lug 61, hoisting groove 62, protection assembly 7, first mounting seat 71, roller 72, second mounting seat 73, ball 74, funnel 8, handle 81, liquid guide opening 82. DETAILED DESCRIPTION

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the present technical solution, and cannot be understood as indicating that the devices or elements referred to must have a particular direction, therefore it cannot be understood as a limitation of the present application.

[0027] It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "arranging" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or one or more intervening elements can be present. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In the following description, specific details are set forth such as specific system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it should be apparent to those skilled in the art that the present application can be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted in order not to obscure the description of the present application with unnecessary details.

[0029] Please refer to Figures 1 to 2 The blind well height difference measuring tool in the first embodiment of the present application comprises a closed structure static pressure chamber 1, a pressure sensor 2, a central module 3 and a connecting assembly 4, and a plurality of containing members 5 in communication with the static pressure chamber 1. The containing member 5 is in a flexible tubular structure, one end of which is fixedly installed above the static pressure chamber 1 through the connecting assembly 4, and the other end is in communication with the atmosphere to enable the outside and the inside of the static pressure chamber 1 to communicate with each other. The containing member 5 and the static pressure chamber 1 are both filled with a solution during measurement. The pressure sensor 2 is fixedly or detachably installed inside the static pressure chamber 1 to measure the solution pressure in the static pressure chamber 1. The central module 3 is electrically connected to the pressure sensor 2.

[0030] The connecting assembly 4 facilitates the installation of the containing member 5 on the static pressure chamber 1 by the measurement personnel, improves the installation efficiency on site, and further improves the efficiency of measuring the height of the blind well. The plurality of containing members 5 in communication with the static pressure chamber 1 form a communicating vessel. After injecting a solution into the communicating vessel, the solution liquid level in each containing member 5 will be at the same horizontal position. After the injected solution liquid level is flush with the ground, the height between the blind well and the solution liquid level is recorded by the central module 3.

[0031] In use, the static pressure chamber 1 is lowered into the blind well by means of the rope, and then the solution is injected into the end of one of the containment members 5 that is in communication with the outside world, the solution enters the interior of the static pressure chamber 1 along the containment member 5, and the gas in the static pressure chamber 1 will escape from the ports of the other containment members 5, so as to avoid the gas remaining in the interior of the static pressure chamber 1, and as the solution fills the static pressure chamber 1, the principle of communicating vessels is generated between the containment member 5 into which the solution is filled and the other containment members 5, wherein as the solution level in one of the containment members 5 rises, the solution levels in the remaining containment members 5 also rise, and when the solution levels in all of the containment members 5 rise to the level of the ground, the injection of the solution into the containment members 5 is stopped, and the ground operator can display the solution pressure P that the pressure sensor 2 receives through the central module 3, and then the central module 3 can bring the detected solution pressure P into the formula P = pg h, wherein p is the known density of the solution used, g is 9.8 N / kg, and h is the vertical height of the static pressure chamber 1 in the blind well from the ground, so that the measurement personnel can directly record the value of h through the central module 3, the operation is more convenient, the measurement efficiency is improved, the static pressure chamber 1 and the containment members 5 can also be used to measure the vertical distance from the ground to the static pressure chamber 1 in a curved blind well, thereby reducing the difficulty of measurement, reducing the influence of the surrounding environment on the measurement value, improving the measurement accuracy, facilitating the measurement personnel to determine whether the actual installation is in place, and reducing the labor intensity.

[0032] The closed structure of the static pressure chamber 1 can avoid leakage of the solution, reduce waste of the solution, improve the measurement accuracy, and also improve the measurement efficiency.

[0033] The flexible tubular structure of the containment member 5 can enter the blind well in the curved pipeline along with the static pressure chamber 1, is suitable for more use environments, can be wound for storage during transportation, improves the measurement efficiency, and facilitates operation.

[0034] Please refer to Figures 1 to 2 In some embodiments, the containment member 5 is a transparent hose.

[0035] The application sets the containment member 5 as a transparent hose, so that the measurement personnel can observe the distance between the solution in the containment member 5 and the ground, which can reduce the difficulty of measurement, improve the measurement efficiency, improve the measurement accuracy, facilitate production, and save production costs.

[0036] Please refer to Figures 1 to 2 In some embodiments, the containment member 5 is provided with a scale.

[0037] The application sets a scale line on the containing piece 5, which can further help the measurer to observe the position of the solution inside the containing piece 5, remind the measurer of the volume of the injected solution, avoid waste caused by too much injection, save the cost of measurement, and also facilitate the measurer to compare the scale line with the ground, thereby further improving the accuracy of measurement.

[0038] Please refer to Figures 1 to 2 In some embodiments, the solution is colored.

[0039] The application sets the solution as a colored solution, which can further facilitate the measurer to observe the position of the solution inside the containing piece 5, thereby reducing the difficulty of measurement, improving the efficiency of measurement, and the solution on the ground inside the containing piece 5 can also warn the surrounding personnel, reduce the interference of the surrounding environment, and further improve the accuracy of measurement.

[0040] Please refer to Figures 1 to 2 In some embodiments, the static pressure chamber 1 is in a seamless closed structure of a spherical type, a capsule type or a polyhedral type.

[0041] The application sets the static pressure chamber 1 in a seamless closed structure of a spherical type, a capsule type or a polyhedral type. The spherical static pressure chamber 1 can be more smoothly lowered into the blind well, reduce the contact between the outer wall of the static pressure chamber 1 and the blind well, reduce the damage to the blind well, have lower operation difficulty, improve the efficiency of measurement, the spherical static pressure chamber 1 can bear greater solution pressure, and the stress is more uniform, which is suitable for curved and deeper blind wells.

[0042] The capsule-type static pressure chamber 1 is more convenient to lower into the blind well, has a lower overall center of gravity, is convenient for the measurer to operate, further reduces the operation difficulty during lowering, and improves the efficiency of measurement.

[0043] The polyhedral static pressure chamber 1 is more stable after being lowered into the blind well, is suitable for more use environments, is convenient to manufacture, reduces the manufacturing cost, and expands the application range.

[0044] Please refer to Figures 1 to 2 In some embodiments, the connecting assembly 4 includes a mounting sleeve 41 and a locking sleeve 42 matched with the mounting sleeve 41, the mounting sleeve 41 is fixedly installed on the static pressure chamber 1, the locking sleeve 42 is rotationally connected to the containing piece 5, and the locking sleeve 42 is connected to the mounting sleeve 41 through a threaded pair.

[0045] The application can quickly connect the containing piece 5 to the static pressure chamber 1 through the cooperation of the mounting sleeve 41 and the locking sleeve 42, and then facilitate storage and carrying when the containing piece 5 is separated from the static pressure chamber 1, thereby reducing labor intensity. The containing piece 5 and the static pressure chamber 1 can be conveniently installed or separated through the locking sleeve 42 and the mounting sleeve 41, and the containing piece 5 and the static pressure chamber 1 can be cleaned separately when separated, thereby improving the accuracy of measurement and the efficiency of cleaning the next time. The installation time can be reduced and the installation efficiency can be improved. A sealing ring can also be installed between the mounting sleeve 41 and the locking sleeve 42, thereby improving the sealing performance of the mounting sleeve 41 and the locking sleeve 42 after installation, preventing solution leakage, avoiding solution waste, and further saving measurement cost.

[0046] Please refer to Figures 1 to 2 In some embodiments, the blind well height difference measuring tool further comprises a hoisting assembly 6, the hoisting assembly 6 comprising: at least two lifting lugs 61 fixedly installed on the static pressure chamber 1, and a hoisting groove 62 formed in the lifting lug 61.

[0047] The application can stably install the rope on the lifting lug 61 by passing the rope through the hoisting groove 62 and installing it on the lifting lug 61, which facilitates hoisting. Different ropes are installed on the at least two lifting lugs 61, and when the static pressure chamber 1 is lowered into the blind well, the ropes on different lifting lugs 61 can guide the static pressure chamber 1 to the desired position, prevent the static pressure chamber 1 from rotating during lowering, improve the efficiency of lowering, further improve the efficiency of measurement, and improve safety, facilitating operation and reducing labor intensity.

[0048] Please refer to Figures 1 to 2 In some embodiments, the blind well height difference measuring tool further comprises a plurality of protection assemblies 7, the plurality of protection assemblies 7 being evenly installed around the static pressure chamber 1, each protection assembly 7 comprising: a first mounting seat 71 installed on the outside of the static pressure chamber 1, and a roller 72 rotatably connected to the first mounting seat 71.

[0049] The application can reduce the friction between the static pressure chamber 1 and the blind well when the static pressure chamber 1 is lowered into the blind well, thereby reducing the wear of the static pressure chamber 1. After long-term use, the static pressure chamber 1 can also maintain a stable sealing structure, thereby reducing maintenance cost.

[0050] The roller 72 rotatably connected on the first mounting seat 71 can be in contact with the inner wall of the blind well during lowering, and the roller 72 can rotate along the inner wall of the blind well as the static pressure chamber 1 is lowered, thereby reducing the friction between the roller 72 and the inner wall of the blind well, and further making the static pressure chamber 1 more smooth during lowering, supporting the static pressure chamber 1, reducing the wear of the roller 72, and further reducing the maintenance cost.

[0051] Please refer to Figure 1 and Figure 3 In some embodiments, the blind well height difference measuring tool further comprises a plurality of protection assemblies 7, which are evenly arranged around the static pressure chamber 1, and each protection assembly 7 comprises a second mounting seat 73 and a plurality of rolling balls 74, wherein the second mounting seat 73 is mounted on the static pressure chamber 1, and the rolling balls 74 are rotatably connected in the second mounting seat 73.

[0052] The plurality of protection assemblies 7 are evenly arranged around the static pressure chamber 1, and each protection assembly 7 comprises a second mounting seat 73 and a plurality of rolling balls 74, wherein the second mounting seat 73 is mounted on the static pressure chamber 1, and the rolling balls 74 are rotatably connected in the second mounting seat 73. The second mounting seat 73 and the rolling balls 74 can support the static pressure chamber 1, thereby preventing the static pressure chamber 1 from being in contact with the inner wall of the blind well during lowering, and protecting the static pressure chamber 1. When the static pressure chamber 1 moves horizontally, the rolling balls 74 can reduce the friction between the rolling balls 74 and the inner wall of the blind well, further improving the smoothness of the static pressure chamber 1 when moving inside the blind well, thereby reducing the wear of the static pressure chamber 1. After long-term use, the static pressure chamber 1 can also maintain a stable sealing structure, thereby reducing the maintenance cost.

[0053] Please refer to Figure 1 and Figure 4 In some embodiments, a funnel 8 is inserted on the top of the containing member 5, a handle 81 is arranged on the funnel 8, and a liquid guide opening 82 is formed on the funnel 8.

[0054] The funnel 8 is inserted on the top of the containing member 5, the handle 81 is arranged on the funnel 8, and the liquid guide opening 82 is formed on the funnel 8, which facilitates the measurement personnel to inject solution into the containing member 5, reduces the waste of solution, and protects the surrounding environment. The handle 81 arranged on the funnel 8 facilitates the measurement personnel to hold, saves labor during injection of solution, improves the efficiency of injection of solution, thereby improving the measurement efficiency. The liquid guide opening 82 formed on the funnel 8 facilitates the measurement personnel to recover the solution after completing the measurement, reduces the labor intensity, further reduces the waste of solution, and protects the surrounding environment.

[0055] It can be understood that the above embodiments only express the preferred embodiments of the utility model, the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope; it should be pointed out that for ordinary skilled person in the art, the above technical features can be freely combined without departing from the concept of the utility model, and a number of modifications and improvements can be made, which belong to the protection scope of the utility model; therefore, any equivalent transformation and modification within the scope of the utility model patent claim should belong to the scope of the utility model patent claim.

Claims

1. A blind well height difference measuring tool characterized by, The blind well height difference measuring tool comprises a static pressure chamber (1) in a closed structure, a pressure sensor (2), a central module (3) and a connecting assembly (4), and a plurality of containing members (5) in communication with the static pressure chamber (1); the containing member (5) is in a flexible tubular structure, one end of the containing member (5) is fixedly installed above the static pressure chamber (1) through the connecting assembly (4), the other end of the containing member (5) is in communication with the atmosphere so that the outside and the inside of the static pressure chamber (1) are in communication with each other, and the containing member (5) and the static pressure chamber (1) are both filled with a solution during measurement; the pressure sensor (2) is fixedly or detachably installed in the static pressure chamber (1) to measure the pressure of the solution in the static pressure chamber (1); and the central module (3) is electrically connected to the pressure sensor (2). The containing member (5) is a transparent flexible tube. The containing member (5) is provided with a scale.

2. The blind well height difference measuring tool of claim 1, wherein, The solution has a color.

3. The blind well height difference measuring tool of claim 1, wherein, The static pressure chamber (1) is in a seamless closed structure of a spherical shape, a capsule shape or a polyhedral shape.

4. The blind well height difference measuring tool of claim 1, wherein, The connecting assembly (4) comprises a mounting sleeve (41) and a locking sleeve (42) matched with the mounting sleeve (41), the mounting sleeve (41) is fixedly installed on the static pressure chamber (1), the locking sleeve (42) is rotationally connected to the containing member (5), and the locking sleeve (42) is connected to the mounting sleeve (41) through a threaded pair.

5. The blind well height difference measuring tool of claim 1, wherein, The blind well height difference measuring tool further comprises a hoisting assembly (6), the hoisting assembly (6) comprises lifting lugs (61) and a hoisting groove (62), at least two lifting lugs (61) are fixedly installed on the static pressure chamber (1), and the hoisting groove (62) is formed in the lifting lug (61).

6. The blind well height difference measuring tool of claim 1, wherein, The blind well height difference measuring tool further comprises a plurality of protection assemblies (7), the plurality of protection assemblies (7) are evenly installed around the static pressure chamber (1), each protection assembly (7) comprises a first mounting seat (71) and a roller (72), the first mounting seat (71) is installed outside the static pressure chamber (1), and the roller (72) is rotationally connected to the first mounting seat (71).

7. The blind well height difference measuring tool of claim 1, wherein, The blind well height difference measuring tool further comprises a plurality of protection assemblies (7), the plurality of protection assemblies (7) are evenly installed around the static pressure chamber (1), each protection assembly (7) comprises a second mounting seat (73) and a rolling ball (74), the second mounting seat (73) is installed on the static pressure chamber (1), and the rolling ball (74) is partially rollingly connected in the second mounting seat (73).

8. The blind well height difference measuring tool of claim 1, wherein, A funnel (8) is inserted into the top of the containing member (5), the funnel (8) is provided with a handle (81), and a liquid guide opening (82) is formed in the funnel (8).

9. The blind well height difference measuring tool of claim 1, wherein, ​ 10. The blind well height difference measuring tool of claim 1, wherein, ​

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