Measuring instrument for intelligently measuring height of container

Abstract

The invention relates to the field of measuring instruments, and particularly discloses an intelligent measuring instrument for measuring the height of a container. The measuring box, the transmission box, the control touch screen and the control key group are arranged on the base, when a user needs to measure the height of a container, the measuring assembly can be driven to move through the transmission assembly, the height of the container is calculated through the moving distance of the measuring assembly, and when the container in a strange shape is measured, the measuring accuracy is improved. According to the container height measuring device, a user can adjust the position of the measuring assembly, and the zero point position of the measuring assembly in different forms is basically unchanged, so that the installation error generated when different measuring rods in the measuring assembly change forms can be effectively reduced, and the large error of the container height measuring value is effectively avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of measuring instruments, and in particular relates to an intelligent measuring instrument for measuring the height of a container. Background Art

[0002] In production operations or experimental processes, various containers are often needed, and because of operational requirements, the shapes of these containers are also varied, and some containers are even very irregular in shape. However, when users use these containers, they need to obtain the specification data of these containers, including the height of these containers.

[0003] Existing methods for measuring container height include manual tape measure measurement or automatic equipment. With the popularization of automatic measuring equipment, the frequency of manual measurement has gradually decreased. However, the existing automatic measuring equipment uses a transmission component to drive the measuring rod to move, and the displacement distance of the measuring rod is used as the container height data. However, containers have various shapes. When measuring some containers with strange shapes, users need to use measuring rods of different shapes. However, when users disassemble and install different measuring rods, there is an installation error between the measuring rod and the transmission component. The installation error will be reflected in the container height measurement data, resulting in a large deviation between the measured value of the container height measurement data and the actual value. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide an intelligent measuring instrument for measuring the height of a container, so as to solve the problem that when a traditional automatic height measuring instrument replaces a different measuring rod, the error of the measured data becomes larger.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An intelligent measuring instrument for measuring the height of a container, comprising:

[0007] Base;

[0008] A measuring box connected to the base, wherein the measuring box contains a measuring component for measuring the height of the container;

[0009] A transmission box is connected to the base, and a transmission assembly that is transmission-connected to the measuring assembly is arranged inside the transmission box;

[0010] A control touch screen, connected to the transmission box, for receiving and transmitting control instructions from an operator;

[0011] A control key group is arranged on the transmission box.

[0012] Preferably, the measuring assembly includes a lead screw rotatably connected to the measuring box and a mounting block threadedly connected to the lead screw. A side chute for clamping the mounting block is formed in the side wall of the measuring box. A reflecting plate is fixedly connected to the mounting block. A laser rangefinder is connected to the inner wall of the measuring box. The laser rangefinder is configured to send laser to the reflecting plate and receive the reflected laser, and calculate the distance between the reflecting plate and the laser rangefinder according to the laser emission time. A measuring rod is arranged on the mounting block.

[0013] Preferably, the measuring rod includes a connecting main rod and a plurality of supporting rods connected to the connecting main rod. An adjusting and limiting assembly is connected to the mounting block. The adjusting and limiting assembly is configured to clamp the connecting main rod of the measuring rod and limit the rotation of the measuring rod.

[0014] Preferably, the adjusting and limiting assembly includes a mounting cylinder connected to the mounting block and a clamping rod fixedly mounted on the mounting cylinder. A limiting disk is slidably connected inside the mounting cylinder. A placing groove is formed in the limiting disk, and a clamping ball is placed inside the placing groove. The clamping ball abuts against the clamping rod, the placing groove and the mounting cylinder respectively. A ball chute for clamping the clamping ball is formed on the measuring rod. A side groove is formed in the side wall of the mounting cylinder. A pulling plate located inside the side groove is connected to the limiting disk. A spring is arranged between the limiting disk and the limiting disk.

[0015] Preferably, a gap is left between the end of the limiting disk and the mounting cylinder, and the thickness of the end of the limiting disk gradually decreases outwards, that is, the cross section of the end of the limiting disk is conical.

[0016] Preferably, the two ends of the spring abut against the mounting cylinder and the limiting disk respectively.

[0017] Preferably, the control key group includes an automatic up and down button and a manual up and down knob.

[0018] Preferably, a handle is connected to the base.

[0019] Preferably, an installation cavity is arranged inside the handle. The two ends of the installation cavity are respectively communicated with the bottom of the base. Two groups of moving components are symmetrically distributed inside the installation cavity. The moving components include moving balls, first intermediate cylinders, steering balls and second intermediate cylinders. A pressing block is slidably connected to the handle and located between the two second intermediate cylinders. A pressing block extending out of the handle is connected to the pressing block. The moving balls can partially extend out of the installation cavity.

[0020] Preferably, the transmission assembly includes a motor connected to the transmission box. A plurality of transmission gears are rotatably connected to the measuring box and the transmission box. One of the transmission gears is connected to the lead screw, and the other transmission gear is connected to the output shaft of the motor.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] By arranging a measurement box, a transmission box, a control touch screen and a control key group on the base, when the user needs to measure the height of a container, the transmission component can drive the measurement component to move, and the height of the container can be calculated through the moving distance of the measurement component. When measuring a container with a strange shape, the user can adjust the position of the measurement component, and the zero position of the measurement component between different forms is basically unchanged, which can effectively reduce the installation error generated by different measuring rods in the measurement component when changing forms, and thus effectively avoid large errors in the measured value of the container height. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of the present invention Figure 1 ;

[0024] Figure 2 is a schematic diagram of the overall structure of the present invention Figure 2 ;

[0025] Figure 3 is a schematic diagram of the overall sectional structure of the present invention;

[0026] Figure 4 is a schematic diagram of the sectional structure of the installation cylinder of the present invention;

[0027] Figure 5 is a schematic diagram of the sectional structure of the handle of the present invention;

[0028] Figure 6 is of the present invention Figure 5 enlarged view of part A;

[0029] In the figure: 1. Base; 2. Handle; 3. Measurement box; 4. Transmission box; 5. Control touch screen; 6. Control key group; 7. Motor; 8. Transmission gear; 9. Lead screw; 10. Installation block; 11. Reflector; 12. Laser rangefinder; 13. Installation cylinder; 14. Measuring rod; 141. Ball chute; 15. Clamping rod; 16. Limiting disc; 17. Ball; 18. Side groove; 19. Pulling plate; 20. Spring; 21. Moving ball; 22. First intermediate cylinder; 23. Steering ball; 24. Second intermediate cylinder; 25. Block; 26. Pressing block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1:

[0032] See also Figure 1 - Figure 6 As shown, an intelligent measuring instrument for measuring the height of a container comprises:

[0033] Base 1;

[0034] A measuring box 3 connected to the base 1, wherein the measuring box 3 contains a measuring component for measuring the height of the container;

[0035] A transmission box 4 is connected to the base 1, and a transmission assembly that is transmission-connected to the measuring assembly is disposed inside the transmission box 4;

[0036] A control touch screen 5, connected to the transmission box 4, for receiving and transmitting control instructions from an operator;

[0037] The control key group 6 is arranged on the transmission box 4 .

[0038] As can be seen from the above, by arranging the measuring box 3, the transmission box 4, the control touch screen 5 and the control key group 6 on the base 1, when the user needs to measure the height of the container, the measuring component can be driven to move by the transmission component, and the height of the container can be calculated by the moving distance of the measuring component. When measuring containers with strange shapes, the user can adjust the position of the measuring component, and the zero point position of the measuring component between different forms is basically unchanged, which can effectively reduce the installation error caused by the different measuring rods 14 in the measuring component when changing their forms, thereby effectively avoiding large errors in the container height measurement value.

[0039] See also Figure 3 - Figure 4 As shown, the measuring assembly includes a lead screw 9 rotatably connected to the measuring box 3 and a mounting block 10 threadedly connected to the lead screw 9, a side sliding groove for clamping the mounting block 10 is provided on the side wall of the measuring box 3, a reflector 11 is fixedly connected to the mounting block 10, a laser rangefinder 12 is connected to the inner wall of the measuring box 3, the laser rangefinder 12 is configured to send laser to the reflector 11 and receive reflected laser, and calculate the distance between the reflector 11 and the laser rangefinder 12 according to the laser emission time, and a measuring rod 14 is provided on the mounting block 10.

[0040] As can be seen from the above, the user can rotate the screw 9 to drive the mounting block 10 to move. The displaced mounting block 10 can drive the measuring rod 14 and the reflecting plate 11 to move. The laser rangefinder 12 cooperates with the reflecting plate 11 to measure the moving distance of the reflecting plate 11, which is the moving distance of the measuring rod 14. The user can measure the height of the container by measuring the moving distance of the measuring rod 14.

[0041] The transmission assembly includes a motor 7 connected to the transmission box 4. A plurality of transmission gears 8 are rotatably connected to the measurement box 3 and the transmission box 4. One of the transmission gears 8 is connected to the lead screw 9, and the other transmission gear 8 is connected to the output shaft of the motor 7.

[0042] The measuring rod 14 includes a connecting main rod and a plurality of support rods connected to the connecting main rod. The shape of the support rods is set according to needs. In this embodiment, three support rods are provided. One support rod is L-shaped, one support rod is Z-shaped, and one support rod is a three-dimensional rod, that is, composed of three mutually perpendicular short rods. The user can freely select the support rods for measurement according to needs. An adjusting and limiting assembly is connected to the mounting block 10. The adjusting and limiting assembly is configured to clamp the connecting main rod of the measuring rod 14 and limit the rotation of the measuring rod 14. After the user selects the support rod, the user can rotate the connecting main rod of the measuring rod 14 to change the position of the support rod for measurement.

[0043] The adjusting and limiting assembly includes a mounting cylinder 13 connected to the mounting block 10 and a clamping rod 15 fixedly installed on the mounting cylinder 13. A limiting disk 16 is slidably connected inside the mounting cylinder 13. A placing groove is formed on the limiting disk 16, and a clamping ball 17 is placed inside the placing groove. The clamping ball 17 is in contact with the clamping rod 15, the placing groove, and the mounting cylinder 13 respectively. A ball chute 141 for the clamping ball 17 to be clamped is formed on the measuring rod 14. A side groove 18 is formed on the side wall of the mounting cylinder 13. A pull plate 19 located inside the side groove 18 is connected to the limiting disk 16. A spring 20 is arranged between the limiting disk 16 and the limiting disk 16.

[0044] As can be seen from the above, when the user needs to rotate and change the position of the support rod on the measuring rod 14, the pull plate 19 can be used to drive the displacement of the limiting disk 16 to compress the spring 20. At this time, the end of the limiting disk 16 is separated from the clamping ball 17. At this time, when the measuring rod 14 is rotated, the clamping ball 17 can move in the gap between the ball chute 141 and the mounting cylinder 13. As the clamping ball 17 moves towards the inner wall of the mounting cylinder 13, the clamping ball 17 disengages from the ball chute 141. When the support rod on the measuring rod 14 rotates to the measuring position, the clamping ball 17 is reinserted into another ball chute 141. At this time, the pull plate 19 is released, and the compressed spring 20 resets and presses against the limiting disk 16. The clamping ball 17 is again comprehensively limited by the limiting disk 16, the mounting cylinder 13, the clamping rod 15, and the ball chute 141. The deviation of the central axis after the rotation of the limiting rod 14 caused by the clamping ball 17 can be almost negligible, which will not affect the height position data of the support rod, thereby avoiding large deviations in the container height measurement data.

[0045] In order to allow the blocking ball 17 to have enough space to move at the end of the limit plate 16, thereby reserving rotation space for the limit rod 14, a gap is left between the end of the limit plate 16 and the mounting tube 13, and the thickness of the end of the limit plate 16 gradually decreases outward, that is, the cross-section of the end of the limit plate 16 is conical.

[0046] The two ends of the spring 20 are respectively in contact with the mounting tube 13 and the limiting plate 16 , which means that the spring 20 is pre-tightened to ensure that the limiting plate 16 can stably engage the locking ball 17 .

[0047] The control key group 6 includes automatic up and down buttons and manual up and down knobs. The automatic up and down buttons are used to control the automatic up and down position of the measuring rod 14 according to the automatic control instructions made by the user. A force sensor can be set on the mounting block 10. When the measuring rod 14 hits the container surface and is subjected to force, it stops moving. The manual up and down knobs are used to control the up and down movement of the measuring rod 14 according to the manual instructions of the user.

[0048] Embodiment 2:

[0049] See also Figure 1 - Figure 6 As shown, an intelligent measuring instrument for measuring the height of a container comprises:

[0050] Base 1;

[0051] A measuring box 3 connected to the base 1, wherein the measuring box 3 contains a measuring component for measuring the height of the container;

[0052] A transmission box 4 is connected to the base 1, and a transmission assembly that is transmission-connected to the measuring assembly is disposed inside the transmission box 4;

[0053] A control touch screen 5, connected to the transmission box 4, for receiving and transmitting control instructions from an operator;

[0054] The control key group 6 is arranged on the transmission box 4 .

[0055] As can be seen from the above, by arranging the measuring box 3, the transmission box 4, the control touch screen 5 and the control key group 6 on the base 1, when the user needs to measure the height of the container, the measuring component can be driven to move by the transmission component, and the height of the container can be calculated by the moving distance of the measuring component. When measuring containers with strange shapes, the user can adjust the position of the measuring component, and the zero point position of the measuring component between different forms is basically unchanged, which can effectively reduce the installation error caused by the different measuring rods 14 in the measuring component when changing their forms, thereby effectively avoiding large errors in the container height measurement value.

[0056] See also Figure 3 - Figure 4As shown in the figure, the measurement component includes a lead screw 9 rotatably connected to the measurement box 3 and a mounting block 10 threadedly connected to the lead screw 9. A side chute for clamping the mounting block 10 is provided on the side wall of the measurement box 3. A reflector 11 is fixedly connected to the mounting block 10. A laser rangefinder 12 is connected to the inner wall of the measurement box 3. The laser rangefinder 12 is configured to send laser light to the reflector 11 and receive the reflected laser light, and calculate the distance between the reflector 11 and the laser rangefinder 12 according to the laser emission time. A measuring rod 14 is provided on the mounting block 10.

[0057] As can be seen from the above, the user can rotate the lead screw 9 to drive the displacement of the mounting block 10. The displaced mounting block 10 can drive the measuring rod 14 and the reflector 11 to move. The laser rangefinder 12 cooperates with the reflector 11 to measure the moving distance of the reflector 11, and this distance is the moving distance of the measuring rod 14. The user can measure the height of the container through the moving distance of the measuring rod 14.

[0058] The transmission component includes a motor 7 connected to the transmission box 4. A plurality of transmission gears 8 are rotatably connected to the measurement box 3 and the transmission box 4. One of the transmission gears 8 is connected to the lead screw 9, and the other transmission gear 8 is connected to the output shaft of the motor 7.

[0059] The measuring rod 14 includes a connecting main rod and a plurality of support rods connected to the connecting main rod. The shape of the support rods is set according to needs. In this embodiment, there are three support rods. One support rod is L-shaped, one support rod is Z-shaped, and one support rod is a three-dimensional rod, that is, composed of three mutually perpendicular short rods. The user can freely select the support rods for measurement according to needs. An adjustment and limit component is connected to the mounting block 10. The adjustment and limit component is configured to clamp the connecting main rod of the measuring rod 14 and limit the rotation of the measuring rod 14. After the user selects the support rod, the user can rotate the connecting main rod of the measuring rod 14 to change the position of the support rod for measurement.

[0060] The adjustment and limit component includes a mounting cylinder 13 connected to the mounting block 10 and a clamping rod 15 fixedly installed on the mounting cylinder 13. A limit disk 16 is slidably connected inside the mounting cylinder 13. A placement groove is provided on the limit disk 16, and a clamping ball 17 is placed inside the placement groove. The clamping ball 17 is in contact with the clamping rod 15, the placement groove and the mounting cylinder 13 respectively. A ball chute 141 for the clamping ball 17 to be clamped is provided on the measuring rod 14. A side groove 18 is provided on the side wall of the mounting cylinder 13. A pull plate 19 located inside the side groove 18 is connected to the limit disk 16. A spring 20 is provided between the limit disk 16 and the limit disk 16.

[0061] As can be seen from the above, when the user needs to rotate and change the position of the support rod on the measuring rod 14, the limiting disc 16 can be displaced by pulling the plate 19 to compress the spring 20. At this time, the end of the limiting disc 16 is separated from the clamping ball 17. Then, when the measuring rod 14 is rotated, the clamping ball 17 can move in the gap between the ball chute 141 and the mounting cylinder 13. As the clamping ball 17 moves towards the inner wall of the mounting cylinder 13, the clamping ball 17 disengages from the ball chute 141. When the support rod on the measuring rod 14 rotates to the measuring position, the clamping ball 17 is reinserted into another ball chute 141. At this time, the pulling plate 19 is released, and the compressed spring 20 resets and presses against the limiting disc 16. The clamping ball 17 is again comprehensively limited by the limiting disc 16, the mounting cylinder 13, the clamping rod 15, and the sliding ball groove 141. The deviation of the central axis after the rotation of the limiting rod 14 caused by the clamping ball 17 can be almost negligible, which will not affect the height position data of the support rod, thereby avoiding large deviations in the container height measurement data.

[0062] To facilitate the movement of the clamping ball 17 at the end of the limiting disc 16 with sufficient space, so as to reserve a rotation space for the limiting rod 14, a gap is left between the end of the limiting disc 16 and the mounting cylinder 13, and the thickness of the end of the limiting disc 16 gradually decreases outward, that is, the cross-section of the end of the limiting disc 16 is tapered.

[0063] Both ends of the spring 20 are respectively abutted against the mounting cylinder 13 and the limiting disc 16, which means that the spring 20 is pre-compressed to ensure that the limiting disc 16 can stably clamp the clamping ball 17.

[0064] The control key group 6 includes an automatic up and down button and a manual up and down knob. The automatic up and down button is used to control the automatic up and down position of the measuring rod 14 according to the automatic control instruction made by the user. A force sensor can be set on the mounting block 10, and when the measuring rod 14 touches the surface of the container and is stressed, it stops moving. The manual up and down knob is used to control the up and down movement of the measuring rod 14 according to the manual instruction of the user.

[0065] Please refer to Figure 3 - Figure 6 As shown, a handle 2 is connected to the base 1.

[0066] An installation cavity is arranged inside the handle 2. Both ends of the installation cavity are respectively communicated with the bottom of the base 1. Two groups of moving components are symmetrically distributed inside the installation cavity. The moving components include moving balls 21, first intermediate cylinders 22, steering balls 23, and second intermediate cylinders 24. A blocking block 25 located between the two second intermediate cylinders 24 is slidably connected in the handle 2. A pressing block 26 extending out of the handle 2 is connected to the blocking block 25. The moving balls 21 can partially extend out of the installation cavity.

[0067] As can be seen from the above, when the user needs to move the base 1, the pressing block 26 can be pushed to drive the abutting block 25 to displace. The displaced abutting block 25 is inserted between the two intermediate cylinders 24, forcing the two second intermediate cylinders 24 to move to both sides. The moving second intermediate cylinders 24 drive the steering balls 23 to move. The moving steering balls 23 push the moving balls 21 out of the installation cavity through the first intermediate cylinder 22. At this time, the moving balls 21 can roll between the base and the table, facilitating the user to push the base 1 to a suitable position.

[0068] All the standard parts used in the present invention can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0069] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0070] In the present invention, unless otherwise clearly defined and limited, the terms such as "installation", "connection", "connection", and "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0071] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over", and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below", and "beneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0072] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0073] In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved, and other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. An instrument for intelligently measuring the height of a container, characterized in that, Comprising: Base (1); Measurement box (3), connected to the base (1), and a measurement component inside the measurement box (3) for measuring the height of the container; Drive box (4), connected to the base (1), and a drive component inside the drive box (4) that is in driving connection with the measurement component; Control touch screen (5), connected to the drive box (4), for receiving and transmitting control instructions from the operator; Control key group (6), arranged on the drive box (4).

2. The measuring instrument for intelligently measuring the height of a container according to claim 1, characterized in that: The measurement component includes a lead screw (9) rotatably connected to the measurement box (3) and a mounting block (10) threadedly connected to the lead screw (9). A side chute for clamping the mounting block (10) is provided on the side wall of the measurement box (3). A reflector (11) is fixedly connected to the mounting block (10). A laser rangefinder (12) is connected to the inner wall of the measurement box (3). The laser rangefinder (12) is configured to send laser to the reflector (11) and receive the reflected laser, and calculate the distance between the reflector (11) and the laser rangefinder (12) according to the laser emission time. A measurement rod (14) is provided on the mounting block (10).

3. The measuring instrument for intelligently measuring the height of a container according to claim 2, characterized in that: The measurement rod (14) includes a connecting main rod and a plurality of support rods connected to the connecting main rod. An adjusting and limiting component is connected to the mounting block (10). The adjusting and limiting component is configured to clamp the connecting main rod of the measurement rod (14) and limit the rotation of the measurement rod (14).

4. The measuring instrument for intelligently measuring the height of a container according to claim 3, characterized in that: The adjusting and limiting component includes a mounting cylinder (13) connected to the mounting block (10) and a clamping rod (15) fixedly installed on the mounting cylinder (13). A limiting disc (16) is slidably connected inside the mounting cylinder (13). A placement groove is provided on the limiting disc (16), and a clamping ball (17) is placed inside the placement groove. The clamping ball (17) abuts against the clamping rod (15), the placement groove, and the mounting cylinder (13) respectively. A ball chute (141) for the clamping ball (17) to be clamped is provided on the measurement rod (14). A side groove (18) is provided on the side wall of the mounting cylinder (13). A pull plate (19) located inside the side groove (18) is connected to the limiting disc (16). A spring (20) is provided between the limiting disc (16) and the limiting disc (16).

5. An instrument for intelligently measuring the height of a container according to claim 4, characterized in that: A gap is left between the end of the limiting disc (16) and the mounting cylinder (13), and the thickness of the end of the limiting disc (16) gradually decreases outwards, that is, the cross-section of the end of the limiting disc (16) is conically arranged.

6. The measuring instrument for intelligently measuring the height of a container according to claim 4, characterized in that: Both ends of the spring (20) abut against the mounting cylinder (13) and the limiting disc (16) respectively.

7. An instrument for intelligently measuring the height of a container according to claim 1, characterized in that: The control key group (6) includes an automatic up and down button and a manual up and down knob.

8. The measuring instrument for intelligently measuring the height of a container according to claim 1, wherein: A handle (2) is connected to the base (1).

9. The measuring instrument for intelligently measuring the height of a container according to claim 8, characterized in that: An installation cavity is arranged inside the handle (2), both ends of the installation cavity are respectively communicated with the bottom of the base (1), two groups of moving components are symmetrically distributed inside the installation cavity, the moving components include moving balls (21), first intermediate cylinders (22), steering balls (23) and second intermediate cylinders (24), a pressing block (25) located between the two second intermediate cylinders (24) is slidably connected in the handle (2), a pressing block (26) extending out of the handle (2) is connected to the pressing block (25), and the moving balls (21) can partially extend out of the installation cavity.

10. The measuring instrument for intelligently measuring the height of a container according to claim 2, characterized in that: The transmission component includes a motor (7) connected to the transmission box (4), and a plurality of transmission gears (8) are rotatably connected to the measurement box (3) and the transmission box (4), one of the transmission gears (8) is connected to the lead screw (9), and the other transmission gear (8) is connected to the output shaft of the motor (7).

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