A new tool for measuring liquid level

Abstract

This utility model relates to the field of liquid level measuring equipment, and discloses a novel tool for measuring liquid levels, including a handcart and a measuring mechanism. The measuring mechanism is mounted on the handcart. The handcart includes a frame and a handle assembly, with the handle assembly fixedly mounted on the rear side of the frame. Rollers are also mounted on the rear side of the frame. A first connecting rod is provided on the handcart between the rollers and the placement edge, and a second connecting rod is provided on the handcart between the rollers and the top of the handle assembly. The measuring mechanism includes a float, a connecting rope, a spool for winding and storing the connecting rope, and a measuring tape spool for winding and storing a measuring tape strip. The spool is coaxially rotatably mounted on the first connecting rod. The measuring tape spool is coaxially rotatably mounted on the second connecting rod. The measuring tape strip is marked with length graduations, and the starting end of the graduations on the measuring tape strip is fixedly connected to the spool. The measuring tape strip is wound onto the spool as the connecting rope is released, and one end of the connecting rope is fixedly connected to the float. This invention aims to solve the technical problem of low application flexibility in existing liquid level detection devices.

Description

Technical Field

[0001] This utility model relates to the field of liquid level measuring equipment, specifically to a novel tool for measuring liquid levels. Background Technology

[0002] During the production process of oil and gas wells, formation water is often produced. This formation water needs to be effectively collected and managed to prevent environmental pollution and resource waste. To this end, reservoirs are usually set up to store this formation water, and changes in the liquid level in the reservoirs are monitored to adjust production strategies in a timely manner and ensure safe operation.

[0003] Existing liquid level detection devices, such as the patent CN 210375317 U "A Liquid Level Measurement Device and Tank Assembly Inside a Tank," provide a liquid level measurement scheme based on buoyancy and pulley principles. This device uses a pulley system at the top of the tank to connect a float inside the tank to a counterweight outside the tank via a connecting rope. The change in the position of the counterweight reflects the height of the liquid level inside the tank. However, this design requires the tank opening to be at a certain height above the ground to ensure that the connecting rope outside the tank has sufficient room to move, thereby accurately reflecting changes in the liquid level.

[0004] However, in practical applications, oil and gas well development is often located in uncertain outdoor environments. The location of reservoirs is limited by various factors such as terrain and geological conditions, making it difficult to find a location that fully meets the installation requirements of existing liquid level monitoring devices. Furthermore, existing devices have high requirements for the installation environment, which not only increases construction difficulty and cost but also limits their flexibility and versatility. Especially in situations with complex terrain or limited space, the installation and use of existing liquid level measuring devices become particularly difficult.

[0005] Therefore, there is an urgent need to develop a liquid level measurement tool that is easy to transport, low in cost, and has low environmental requirements for the reservoir itself. This tool should be able to adapt to different terrains and installation conditions, reduce dependence on the environment, and maintain high measurement accuracy and reliability to meet the actual needs of formation water management in oil and gas well production. Utility Model Content

[0006] The present invention aims to provide a novel tool for measuring liquid levels, thereby solving the technical problem of low application flexibility of existing liquid level detection devices.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: A novel tool for measuring liquid levels includes a trolley and a measuring mechanism, the measuring mechanism being mounted on the trolley; the trolley includes a frame and a handle assembly, the frame being a rectangular frame structure, the handle assembly being fixedly mounted on the rear side of the frame, and a roller being mounted on the rear side of the frame, with a downwardly protruding placement edge at the bottom of the middle section of the frame; a first connecting rod is provided on the trolley between the roller and the placement edge, the two ends of the first connecting rod being fixedly connected to the two sides of the frame respectively; a second connecting rod is also provided on the trolley between the roller and the top of the handle assembly, the two ends of the second connecting rod being fixedly connected to the handle respectively;

[0008] The measuring mechanism includes a float, a connecting rope, a spool for winding and storing the connecting rope, and a measuring tape spool for winding and storing the measuring tape strip. The spool is coaxially rotatably mounted on a first connecting rod. The measuring tape spool is coaxially rotatably mounted on a second connecting rod. The measuring tape strip is marked with length graduations. The starting end of the graduations on the measuring tape strip is fixedly connected to the spool. The measuring tape strip is wound onto the spool as the connecting rope is released. One end of the connecting rope is fixedly connected to the float.

[0009] The principle and advantages of this solution are as follows: In practical applications, when the liquid level is low and the float needs to probe deeper, the connecting rope extends to a longer length, resulting in a longer length of the ruler tip being wound into the spool and a larger unfolded value. Operators only need to stand at the rear of the trolley, away from the pool, to understand the current liquid level by reading the value on the ruler, without needing to probe above the pool surface, thus greatly improving operational safety.

[0010] The measuring mechanism is mounted on a handcart, making the entire tool easy to transport and move. In practical applications, there is no need to build an additional measuring platform or device in the environment; simply push the handcart to the side of the water tank to measure the liquid level. This flexibility allows the tool to adapt to different terrains and installation conditions, reducing dependence on the environment. Due to the mobility of the handcart, the measuring tool can be easily moved from one water tank to another, enabling a single device to handle the liquid level measurement needs of multiple water tanks. This not only reduces equipment costs but also improves work efficiency.

[0011] As an improvement, the front end of the frame is raised, and a fixed pulley is installed at the front end of the frame. The end of the connecting rope near the float is lowered into the test pool through the fixed pulley.

[0012] The beneficial effects of this improvement are: the upward-curving design at the front of the frame reduces friction between the connecting rope and the frame edges or other components when the rope is lowered into the testing pool via the fixed pulley, thus reducing wear and improving testing accuracy. The fixed pulley changes the direction of the connecting rope, allowing it to enter the pool more smoothly, further reducing friction and resistance, and ensuring that the float accurately reflects changes in the liquid level.

[0013] As an improvement, the spool is cylindrical, and a concave groove is provided on the outer circumference of the spool. The groove includes a first groove and a second groove, which are arranged sequentially along the axial direction of the spool. The measuring tape is cylindrical, and a concave measuring tape groove is provided on the outer circumference of the measuring tape. One end of the connecting rope is fixedly connected to the float, and the other end of the connecting rope is fixedly connected to and wound in the first groove. The starting end of the scale of the measuring tape in the measuring tape groove is fixedly connected to the second groove.

[0014] The beneficial effects of this improvement are as follows: the spool is cylindrical with concave grooves (first groove and second groove), and the measuring tape reel is also cylindrical with concave grooves. This design avoids mutual interference or entanglement between the connecting rope and the measuring tape during winding, ensuring that both can work independently and smoothly. Simultaneously, the spool and measuring tape reel are located on the same axis and rotate at the same frequency, ensuring that the release of the connecting rope and the unfolding of the measuring tape are synchronized, thus improving measurement accuracy.

[0015] As an improvement, a first planar spiral spring is provided between the spool and the first connecting rod, one end of the first planar spiral spring being fixedly connected to the spool and the other end being fixedly connected to the first connecting rod; a second planar spiral spring is provided between the measuring tape spool and the second connecting rod, one end of the second planar spiral spring being fixedly connected to the measuring tape spool and the other end being fixedly connected to the second connecting rod; the first and second planar spiral springs have the same direction of contraction and rotation, and the direction of rotation is the winding force moving from the front end of the frame to the rear end of the frame.

[0016] The beneficial effects of this improvement are: the planar spiral spring allows the reel and measuring tape reel to automatically wind up the connecting rope and measuring tape when no external force is applied, keeping them in a straight state. The automatic winding function also makes the operation simpler and faster.

[0017] As an improvement, the rear end of the frame is provided with rollers extending outward to both sides, and rollers are mounted on the rollers via bearings, with a braking mechanism mounted on the rollers.

[0018] The beneficial effects of this improvement are: the design of the rollers and wheels allows the trolley to be moved easily, facilitating transfer between different water tanks. The braking mechanism, on the other hand, secures the trolley once it reaches the designated location, preventing movement during measurement and ensuring measurement stability.

[0019] As an improvement, the float includes a hemispherical upper part and a conical lower part, the conical base of the lower part is fixedly connected to the spherical base of the upper part, and the center of the upper part is located on the axis of the lower part; the hemispherical upper part and the conical lower part are integrally formed, the spherical radius of the upper part is larger than the radius of the conical base of the lower part; the float floats vertically on the liquid surface, the conical lower part of the float is located inside the liquid surface, and the connecting rope is fixedly connected to the top of the upper part.

[0020] The beneficial effects of this improvement are as follows: the float consists of a hemispherical upper part and a conical lower part. The larger hemispherical upper part provides greater buoyancy, making the float more stable on the water surface. The conical lower part adjusts the float's center of gravity, allowing it to maintain a vertical posture on the water surface and reducing tilting caused by wind and water currents. This design improves the float's sensitivity and accuracy, ensuring it accurately reflects changes in the water surface. Attached Figure Description

[0021] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0022] Figure 2 This is a measurement schematic diagram of an embodiment of the present invention.

[0023] The reference numerals in the accompanying drawings include: frame 1, handlebar assembly 2, roller 3, first link 4, second link 5, float 6, connecting rope 7, spool 8, measuring tape spool 9, measuring tape strip 10, first groove 11, second groove 12, fixed pulley 13, and placement edge 14. Detailed Implementation

[0024] The following detailed description illustrates the specific implementation method:

[0025] Example

[0026] The basics are as follows: Figure 1 and attached Figure 2 As shown, a novel tool for measuring liquid level includes a trolley and a measuring mechanism. The measuring mechanism is mounted on the trolley, which includes a frame 1 and a handle assembly 2. The frame 1 is generally a rectangular frame structure, and the handle assembly 2 is fixedly mounted on the rear side of the frame 1. The handle assembly 2 is set vertically upward to the frame 1, and the end of the handle assembly 2 extends away from the frame 1 to form a shape that is easy for people to hold.

[0027] The rear end of the frame 1 is provided with rollers extending outward to both sides. Rollers 3 are mounted on the rollers on both sides via bearings, and a braking mechanism is mounted on the rollers 3. The bottom of the middle section of the frame 1 is provided with a downwardly protruding placement edge 14. The placement edge 14 is used to support the handcart when it is parked and prevent the frame 1 from contacting the ground.

[0028] A first connecting rod 4 is provided on the frame 1 between the roller 3 and the mounting edge 14, and the two ends of the first connecting rod 4 are fixedly connected to the two sides of the frame 1 respectively. A second connecting rod 5 is also provided between the roller 3 and the top of the handlebar assembly 2, and the two ends of the second connecting rod 5 are fixedly connected to the handlebar respectively.

[0029] The measuring mechanism includes a float 6, a connecting rope 7, a reel 8, and a measuring tape reel 9. The reel 8 is cylindrical, and its outer circumference is provided with concave grooves, including a first groove 11 and a second groove 12. The first groove 11 and the second groove 12 are arranged sequentially along the axial direction of the reel 8, and the circumferences of the first groove 11 and the second groove 12 are the same. The reel 8 is coaxially mounted on the first connecting rod 4 via bearings.

[0030] The measuring tape disc 9 is cylindrical, and a concave measuring tape groove is provided on the outer circumference of the measuring tape disc 9. The measuring tape groove is used to wind and store the measuring tape strip 10, and the measuring tape strip 10 is marked with length scale. The measuring tape disc 9 is coaxially mounted on the second connecting rod 5 through a bearing.

[0031] The front end of the frame 1 is upturned, and a fixed pulley 13 is installed at the front end of the frame 1. One end of the connecting rope 7 is fixedly connected to the float 6, and is also fixedly connected to the fixed pulley 13 and wound in the first winding groove 11. The starting end of the scale of the ruler strip 10 in the measuring tape groove is fixedly connected to the second winding groove 12. A first planar spiral spring is provided between the spool 8 and the first connecting rod 4. One end of the first planar spiral spring is fixedly connected to the spool 8, and the other end is fixedly connected to the first connecting rod 4. A second planar spiral spring is provided between the measuring tape spool 9 and the second connecting rod 5. One end of the second planar spiral spring is fixedly connected to the measuring tape spool 9, and the other end is fixedly connected to the second connecting rod 5. The first and second planar spiral springs have the same direction of contraction and rotation, providing a winding force for the connecting rope 7 and the ruler strip 10 to move from the front end of the frame 1 to the rear end of the frame 1.

[0032] The float 6 comprises a hemispherical upper part and a conical lower part. The conical base of the lower part is fixedly connected to the spherical base of the upper part, and the center of the upper part is located on the axis of the lower part. The upper part and the lower part are integrally formed, and the radius of the upper part is larger than the radius of the conical base of the lower part. The float 6 floats vertically on the liquid surface, with the lower conical part inside the liquid surface. The connecting rope 7 is fixedly connected to the top of the upper part.

[0033] The specific implementation process is as follows:

[0034] When it is necessary to check the water level in the reservoir, push the handcart to the side of the reservoir and extend the front end of the handcart, suspending it above the water surface. Place the float 6 on the water surface; the float 6 floats on the water surface due to its own buoyancy. Adjust the connecting rope 7 so that it is positioned on the fixed pulley 13. The connecting rope 7 is tensioned by the first planar turbine spring in the line reel 8, causing the float 6 to float vertically below the fixed pulley 13; the measuring tape 10 is also tensioned by the second planar turbine spring in the measuring tape reel 9.

[0035] As the connecting rope 7 is stretched, the reel 8 rotates accordingly, and the ruler strip 10 is released from the measuring tape reel 9 and wound into the second winding groove 12. The scale value of the ruler strip 10 located outside the second winding groove 12 increases. The length of the connecting rope 7 pulled out from the first winding groove 11 is equal to the length of the ruler strip 10 pulled out from the measuring tape reel 9. Therefore, the difference in the scale value of the ruler strip 10 can be used to determine the descent depth of the float 6, and thus the current liquid level height.

[0036] Once the test is complete, the connecting rope 7 is manually lifted to retrieve the float 6, allowing the device to proceed to the next test point. This device is simple to operate and inexpensive.

[0037] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A novel tool for measuring liquid level, characterized in that: The device includes a handcart and a measuring mechanism, with the measuring mechanism mounted on the handcart. The handcart includes a frame and a handle assembly. The frame is a rectangular frame structure, and the handle assembly is fixedly mounted on the rear side of the frame. Rollers are also mounted on the rear side of the frame, and a downward-protruding placement edge is provided at the bottom of the middle section of the frame. A first connecting rod is provided on the handcart between the rollers and the placement edge, and the two ends of the first connecting rod are fixedly connected to the two sides of the frame, respectively. A second connecting rod is also provided on the handcart between the rollers and the top of the handle assembly, and the two ends of the second connecting rod are fixedly connected to the handle, respectively. The measuring mechanism includes a float, a connecting rope, a spool for winding and storing the connecting rope, and a measuring tape spool for winding and storing the measuring tape strip. The spool is coaxially rotatably mounted on a first connecting rod. The measuring tape spool is coaxially rotatably mounted on a second connecting rod. The measuring tape strip is marked with length graduations. The starting end of the graduations on the measuring tape strip is fixedly connected to the spool. The measuring tape strip is wound onto the spool as the connecting rope is released. One end of the connecting rope is fixedly connected to the float.

2. A new tool for measuring liquid level according to claim 1, characterized in that: The front end of the frame is raised, and a fixed pulley is installed at the front end of the frame. The end of the connecting rope near the float is lowered into the test pool through the fixed pulley.

3. A new tool for measuring liquid level according to claim 2, characterized in that: The spool is cylindrical, with a concave groove on its outer circumference. The groove includes a first groove and a second groove, which are arranged sequentially along the axial direction of the spool. The measuring tape is cylindrical, with a concave groove on its outer circumference. One end of the connecting rope is fixedly connected to the float, and the other end is fixedly connected to and wound around the first groove. The starting end of the scale of the measuring tape in the groove is fixedly connected to the second groove.

4. A new tool for measuring liquid level according to claim 3, characterized in that: A first planar spiral spring is provided between the coil and the first connecting rod. One end of the first planar spiral spring is fixedly connected to the coil, and the other end of the first planar spiral spring is fixedly connected to the first connecting rod. A second planar spiral spring is provided between the measuring tape reel and the second connecting rod. One end of the second planar spiral spring is fixedly connected to the measuring tape reel, and the other end of the second planar spiral spring is fixedly connected to the second connecting rod. The first and second planar spiral springs have the same direction of contraction and rotation, and the direction of rotation is the winding force moving from the front end of the frame to the rear end of the frame.

5. A new tool for measuring liquid level according to claim 4, characterized in that: The rear end of the frame is provided with rollers extending outward to both sides, and rollers are mounted on the rollers via bearings. Braking mechanisms are mounted on the rollers.

6. A new tool for measuring liquid level according to claim 5, characterized in that: The float comprises a hemispherical upper part and a conical lower part. The conical base of the lower part is fixedly connected to the spherical base of the upper part, and the center of the upper part is located on the axis of the lower part. The upper part and the lower part are integrally formed, and the spherical radius of the upper part is larger than the radius of the conical base of the lower part. The float floats vertically on the liquid surface, with the conical lower part of the float located inside the liquid surface. The connecting rope is fixedly connected to the top of the upper part.

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