Automatic horizontal zero position adjusting mechanism of fuel tank measuring equipment

Abstract

The utility model discloses an automatic horizontal zero position adjusting mechanism of fuel tank measuring equipment, which comprises a horizontal zero position adjusting mechanism main body, the fuel tank measuring equipment and a fuel tank, a measuring sensor is arranged in the fuel tank measuring equipment, a positioning bottom plate is arranged on the horizontal zero position adjusting mechanism main body, and the positioning bottom plate is of an inverted T-shaped structure. A laser sensor is arranged above the protruding portion of the positioning bottom plate, a workbench is arranged below the positioning bottom plate, a precise filling pump is installed below the workbench, a communicating pipeline is communicated between the precise filling pump and the measuring sensor, and the communicating pipeline is connected with a filling pipeline through a three-way pipe fitting. And a liquid injection opening is formed between the filling pipeline and the fuel tank. According to the automatic horizontal zero position adjusting mechanism of the fuel tank measuring equipment, the height of the fuel tank is tested through the laser sensor, the measuring result is fed back to the precise filling pump for filling treatment, the zero position accuracy of the fuel tank is guaranteed, and the defects of traditional manual adjustment are overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel tank measuring equipment, in particular to an automatic horizontal zero position adjustment mechanism for fuel tank measuring equipment. Background Art

[0002] The main purpose of fuel tank height and volume measurement is to verify the accuracy of fuel measurement equipment and ensure accurate monitoring and management of fuel consumption. Before measuring the height and volume of the fuel tank, the fuel tank measurement equipment needs to adjust and confirm the zero position at the bottom of the fuel tank. This zero position is the starting point of the test and must be correct to ensure accurate measurement.

[0003] The existing method for adjusting the zero position is to manually shake the hand wheel to drive the communicating vessel measuring barrel to move up and down, and manually observe whether there is liquid in the fuel tank. When there is just liquid in the fuel tank, stop shaking the hand wheel. At this time, the position of the communicating vessel is the zero position of the test. However, adjustment in this way will be sometimes fast and sometimes slow, and it is impossible to confirm the time when the liquid level in the fuel tank is just filled. Sometimes liquid will rush into the fuel tank, and sometimes it will be insufficient, which will cause inaccurate zero position. At the same time, manual adjustment of the zero position requires manual observation to determine whether it has reached the zero position, which may be inaccurate due to angles and other issues. In addition, before each replacement of a different fuel tank for testing, a lot of time is required for adjustment, which seriously affects the progress of the test. Utility Model Content

[0004] The utility model aims to provide a fuel tank measuring device with an automatic horizontal zero position adjustment mechanism, so as to solve the problem raised in the above-mentioned background technology that the horizontal zero position adjustment mechanism of the fuel tank measuring device on the market is adjusted by manually shaking the hand wheel, which may cause inaccurate zero position due to the speed of fuel filling and the deviation of the observation angle. Before each replacement of a different fuel tank for testing, a lot of time is required for adjustment, which seriously affects the test progress.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fuel tank measuring device automatically adjusts a horizontal zero position mechanism, comprising a horizontal zero position adjustment mechanism body, a fuel tank measuring device and a fuel tank, wherein a measuring sensor is installed in the fuel tank measuring device, a positioning base plate is provided on the horizontal zero position adjustment mechanism body, and the positioning base plate is a convex structure, and a laser sensor is provided above the convex portion of the positioning base plate, a workbench is provided below the positioning base plate, and a precision filling pump is installed below the workbench, and a connecting pipe is connected between the precision filling pump and the measuring sensor, a filling pipe is connected to the connecting pipe through a three-way pipe fitting, and a liquid injection port is provided between the filling pipe and the fuel tank, so that the precision filling pump can pump liquid into the connecting pipe and the filling pipe, the laser sensor faces the liquid injection port and the filling pipe, and the laser sensor is connected to the precision filling pump signal, so that the laser sensor can feed back the detection result to the precision filling pump.

[0006] Preferably, the raised portion of the positioning base plate is located outside the workbench, and a lifting drive screw is rotatably mounted on the raised portion of the positioning base plate.

[0007] Preferably, an arc-shaped mounting groove is provided at the upper end of the positioning base plate, and a connecting block is movably connected in the mounting groove, and a vertically arranged limiting rod is symmetrically connected to the upper end of the connecting block by screws.

[0008] Preferably, a fixing plate is fixed to the upper end of the housing of the laser sensor by screws, and a positioning plate is provided above the fixing plate.

[0009] Preferably, the lifting drive screw is located at the center of the arc structure of the mounting groove, the lifting drive screw and the fixing plate are movably penetrated by a threaded structure, and the lifting drive screw and the positioning plate are rotationally connected.

[0010] Preferably, the limiting rod and the fixing plate are slidably arranged to penetrate each other, and the limiting rod and the positioning plate are fastened with bolts.

[0011] Preferably, a bracket is symmetrically connected to the upper end of the positioning base plate through bolts, and the bracket is supported below the fuel tank.

[0012] Preferably, a workbench aluminum frame with slots is provided on the side of the workbench, and a second mounting plate with an L-shaped structure is fixed to the workbench aluminum frame by bolts.

[0013] Preferably, blocks are fixed by screws on both sides of the lower end of the second mounting plate, and the blocks are engaged with the connecting pipe.

[0014] Preferably, a positioning partition is fixed to the lower end of the workbench by screws, and a first mounting plate is provided between the positioning partition and the supporting structure below the workbench, and drawer slides are installed on both sides of the first mounting plate between the positioning partition and the supporting structure below the workbench, and the precision filling pump is fixed to the drawer slides by bolts.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The fuel tank measuring equipment automatically adjusts the horizontal zero position mechanism to test the height of the fuel tank through a laser sensor, and feeds back the measurement results to the precision filling pump for filling, ensuring the zero position accuracy of the fuel tank and avoiding the disadvantages of traditional manual adjustment.

[0017] (2) The fuel tank measuring device automatically adjusts the horizontal zero position mechanism. Each time a different fuel tank is replaced, it only needs to be tested by a laser sensor to quickly adjust the zero position, which greatly shortens the test time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the automatic adjustment horizontal zero position mechanism of the fuel tank measuring device of the utility model;

[0019] Figure 2 Automatic adjustment of horizontal zero position mechanism for fuel tank measuring equipment of the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 It is a top view of the connection structure of the positioning base plate and the workbench of the automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment of the utility model;

[0021] Figure 4 It is a side view of the automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment of the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the connection structure of the laser sensor and the fixing plate of the automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment.

[0023] In the figure: 1. Horizontal zero position adjustment mechanism body; 2. Positioning base plate; 3. Laser sensor; 4. Filling port; 5. Filling pipe; 6. Fuel tank; 7. Bracket; 8. Workbench aluminum frame; 9. Precision filling pump; 10. Drawer slide; 11. First mounting plate; 12. Connecting pipe; 13. Second mounting plate; 14. Block; 15. Positioning partition; 16. Fuel tank measuring device; 17. Measuring sensor; 18. Workbench; 19. Connecting block; 20. Lifting drive screw; 21. Limit rod; 22. Mounting groove; 23. Fixing plate; 24. Positioning plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5The utility model provides a technical solution: a fuel tank measuring device automatically adjusts the horizontal zero position mechanism, including a horizontal zero position adjustment mechanism body 1, a fuel tank measuring device 16 and a fuel tank 6, a measuring sensor 17 is installed in the fuel tank measuring device 16, a positioning base plate 2 is provided on the horizontal zero position adjustment mechanism body 1, and the positioning base plate 2 is a convex structure, the convex part of the positioning base plate 2 is located outside the workbench 18, and a lifting drive screw 20 is rotatably installed on the convex part of the positioning base plate 2, the lifting drive screw 20 of this structure can be connected to the stepping motor through a coupling, so that the lifting drive screw 20 can rotate, an arc-shaped mounting groove 22 is opened at the upper end of the positioning base plate 2, and a connecting block 19 is movably connected in the mounting groove 22, and the upper end of the connecting block 19 is connected to the workbench 18. A vertically arranged limit rod 21 is symmetrically connected by screws. This structure allows the connection block 19 to be adjusted in position by the limit of the mounting groove 22, and the connection block 19 and the workbench 18 are screwed to realize the positioning of the connection block 19, and a laser sensor 3 is provided above the raised part of the positioning base plate 2, and a fixing plate 23 is fixed to the upper end of the shell of the laser sensor 3 by screws, and a positioning plate 24 is provided above the fixing plate 23. This structure allows the laser sensor 3 to be fixed by the fixing plate 23, and the positioning plate 24 is used for the upper limit of the fixing plate 23. The lifting drive screw 20 is located at the center of the arc structure of the mounting groove 22, and the lifting drive screw 20 and the fixing plate 23 are movably penetrated by a threaded structure, and the lifting drive screw The rod 20 is rotatably connected with the positioning plate 24. This structure makes the limit rod 21 and the lifting drive screw 20 always form a triangular structure, ensuring the stability of the lifting adjustment of the fixed plate 23, so that the laser sensor 3 can adjust its position and perform reference zero adjustment on the laser sensor 3. In the reference zero state, different fuel tanks 6 can be zero-position adjusted. The limit rod 21 and the fixed plate 23 are slidably penetrated, and the limit rod 21 and the positioning plate 24 are bolted. This structure allows the lifting of the fixed plate 23 to be limited by the limit rod 21. A workbench 18 is provided under the positioning base plate 2, and a precision filling pump 9 is installed under the workbench 18, and a connecting pipe 12 is connected between the precision filling pump 9 and the measuring sensor 17. The positioning base plate 2 is symmetrically connected with a bracket 7 by bolts, and the bracket 7 is supported under the fuel tank 6. This structure allows the fuel tank 6 to be placed on the bracket 7 for measurement and positioning of the fuel tank 6. The connecting pipe 12 is connected with a filling pipe 5 by a three-way pipe fitting, and a liquid injection port 4 is provided between the filling pipe 5 and the fuel tank 6, so that the precision filling pump 9 can pump liquid into the connecting pipe 12 and the filling pipe 5. A workbench aluminum frame 8 with slots is provided on the side of the workbench 18, and a second mounting plate 13 of an L-shaped structure is fixed to the workbench aluminum frame 8 by bolts. This structure constitutes the extrusion positioning processing of the main body 1 of the horizontal zero position adjustment mechanism through the workbench 18, and cooperates with the use of the positioning bottom plate 2 to stably place the fuel tank 6 for measurement and processing of the fuel tank 6.The second mounting plate 13 has blocks 14 fixed by screws on both sides of the lower end, and the blocks 14 are engaged with the connecting pipe 12. This structure ensures that the connecting pipe 12 can be firmly positioned, and ensures that the connecting pipe 12 between the measuring sensor 17 and the fuel tank 6 has a relatively short length, so as to speed up the zero position adjustment. The laser sensor 3 faces the liquid injection port 4 and the filling pipe 5, and the laser sensor 3 is connected to the precision filling pump 9 by signal, so that the laser sensor 3 can feed back the detection result to the precision filling pump 9. The lower end of the workbench 18 is fixed with a positioning partition 15 by screws, and a first mounting plate 11 is provided between the positioning partition 15 and the supporting structure below the workbench 18, and drawer slides 10 are installed between the positioning partition 15 and the supporting structure below the workbench 18 on both sides of the first mounting plate 11. The precision filling pump 9 is fixed to the drawer slide 10 by bolts. This structure ensures that the precision filling pump 9 is firmly installed, the precision filling pump 9 can be used reliably, and the precision filling pump 9 is easy to maintain.

[0026] Working principle: When using the fuel tank measuring equipment to automatically adjust the horizontal zero position mechanism, first, the lifting drive screw 20 is driven by the stepper motor to rotate, so that the fixed plate 23 is lifted and adjusted under the cooperation of the limit rod 21, and the laser sensor 3 measures the liquid level of the filling pipe 5, and feeds back the result to the precision filling pump 9. The precision filling pump 9 adjusts the filling speed according to the feedback, and sets the automatic zeroing reference by filling at a speed lower than 0.2L / min, and records this position as the starting point of all tests. Then the laser sensor 3 rises and moves to the position corresponding to the injection port 4, and then the liquid level detection of the injection port 4 is carried out. The positioning plate 24 and the connecting block 19 cooperate to stabilize the position of the limit rod 21, and the mounting groove 22 makes the mounting position of the connecting block 19 on the positioning base plate 2 adjustable. When the fuel tank 6 is measured in height and volume by the fuel tank measuring equipment 16, the fuel tank 6 is placed on the bracket 7, and the positioning base plate 2 makes the fuel The fuel tank 6 is fixed on the workbench 18, and then the main body 1 of the horizontal zero position adjustment mechanism performs zero position adjustment. The liquid level at the filling port 4 is detected by the laser sensor 3, and the bottom surface of the fuel tank 6 is measured. According to the different wall thicknesses of the fuel tank 6, the zero position of the inner wall of the fuel tank 6 is tested, and the information is fed back to the precision filling pump 9. The precision filling pump 9 adjusts the filling speed according to the feedback. When it is close to the zero position inside the fuel tank 6, it is filled at a speed lower than 0.2L / min to ensure the accuracy of the zero position to achieve fully automatic zeroing. After that, the fuel tank measuring device 16 performs height and volume measurement of the fuel tank 6 through the measuring sensor 17. The second mounting plate 13 is fixed to the side of the workbench 18 through the workbench aluminum frame 8, and the connecting pipe 12 is positioned by the block 14. The precision filling pump 9 is installed under the workbench 18 through the cooperation of the first mounting plate 11, the drawer slide rail 10 and the positioning partition 15, which plays a role of easy maintenance, thereby completing a series of tasks.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fuel tank measuring device automatically adjusts the horizontal zero position mechanism, comprising a horizontal zero position adjustment mechanism body (1), a fuel tank measuring device (16) and a fuel tank (6), characterized in that: A measuring sensor (17) is installed in the fuel tank measuring device (16), a positioning base plate (2) is provided on the horizontal zero position adjustment mechanism body (1), and the positioning base plate (2) is in a convex structure, and a laser sensor (3) is provided above the convex part of the positioning base plate (2), a workbench (18) is provided below the positioning base plate (2), and a precision filling pump (9) is installed below the workbench (18), and a connecting pipe (11) is connected between the precision filling pump (9) and the measuring sensor (17). 2), the connecting pipe (12) is connected to a filling pipe (5) via a three-way pipe fitting, and a liquid injection port (4) is provided between the filling pipe (5) and the fuel tank (6), so that a precision filling pump (9) can pump liquid into the connecting pipe (12) and the filling pipe (5), the laser sensor (3) faces the liquid injection port (4) and the filling pipe (5), and the laser sensor (3) is connected to the precision filling pump (9) by signal, so that the laser sensor (3) can feed back the detection result to the precision filling pump (9).

2. The automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment according to claim 1 is characterized by: The raised portion of the positioning base plate (2) is located outside the workbench (18), and a lifting drive screw rod (20) is rotatably mounted on the raised portion of the positioning base plate (2).

3. The automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment according to claim 2 is characterized by: The upper end of the positioning base plate (2) is provided with an arc-shaped mounting groove (22), and a connecting block (19) is movably clamped in the mounting groove (22), and the upper end of the connecting block (19) is symmetrically connected to a vertically arranged limiting rod (21) through screws.

4. The automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment according to claim 3 is characterized by: A fixing plate (23) is fixed to the upper end of the housing of the laser sensor (3) by means of screws, and a positioning plate (24) is provided above the fixing plate (23).

5. The automatic horizontal zero position adjustment mechanism of the fuel tank measuring equipment according to claim 4 is characterized by: The lifting drive screw (20) is located at the center of the arc structure of the installation groove (22), the lifting drive screw (20) and the fixing plate (23) are movably interlaced through a thread structure, and the lifting drive screw (20) and the positioning plate (24) are rotatably connected.

6. The automatic horizontal zero position adjustment mechanism of the fuel tank measuring equipment according to claim 4 is characterized by: The limiting rod (21) and the fixing plate (23) are slidably arranged to penetrate each other, and the limiting rod (21) and the positioning plate (24) are fastened with bolts.

7. The automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment according to claim 1 is characterized by: The upper end of the positioning base plate (2) is symmetrically connected to a bracket (7) via bolts, and the bracket (7) is supported below the fuel tank (6).

8. The automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment according to claim 1 is characterized by: A workbench aluminum frame (8) with slotted holes is provided on the side of the workbench (18), and a second mounting plate (13) with an L-shaped structure is fixed to the workbench aluminum frame (8) by bolts.

9. The automatic horizontal zero position adjustment mechanism of the fuel tank measuring equipment according to claim 8, characterized in that: Blocks (14) are respectively fixed by screws on both sides of the lower end of the second mounting plate (13), and the block (14) is engaged with the connecting pipe (12).

10. The automatic adjustment horizontal zero position mechanism of the fuel tank measuring equipment according to claim 1, characterized in that: A positioning partition (15) is fixed to the lower end of the workbench (18) by screws, and a first mounting plate (11) is provided between the positioning partition (15) and the supporting structure below the workbench (18), and drawer slide rails (10) are respectively installed between the positioning partition (15) and the supporting structure below the workbench (18) on both sides of the first mounting plate (11), and the drawer slide rails (10) are respectively installed between the positioning partition (15) and the supporting structure below the workbench (18), and the precision filling pump (9) is fixed to the drawer slide rails (10) by bolts.

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