CN214951672U

CN214951672U - Passive liquid level height digital display instrument driven by buoyancy

Info

Publication number: CN214951672U
Application number: CN202121565169.3U
Authority: CN
Inventors: 何贵荣; 李旭; 朱海东; 张天柱; 王贵平
Original assignee: Beijing Zhongnong Futong Gardening Co Ltd
Current assignee: Beijing Zhongnong Futong Gardening Co Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-11-30
Anticipated expiration: 2031-07-07

Abstract

The utility model provides a rely on buoyancy driven passive liquid level height digital display instrument, it includes showy object, balancing weight, steel band, drive wheel, steel band receiver, transmission chain group, gear train, reading dish panel, showy object, balancing weight are located the container inside, link to each other with the drive wheel through the steel band and form the linkage relation, the steel band end links to each other with inside the steel band receiver has the automatic mechanical device that tightens up, the drive wheel passes through the gear train, the transmission chain group drives cylindrical roller dish and rotates, thereby reflect the liquid level height to reading dish panel; the large gear and the small gear in the gear set can be meshed with the high-speed ratio adjusting wheel and the low-speed ratio adjusting wheel respectively, and the first end of the auxiliary driving shaft is coaxially connected with the low-speed ratio adjusting wheel and the high-speed ratio adjusting wheel. The utility model discloses simple structure, it is convenient to use the regulation, can show the real-time liquid level in pond according to the format of percentage, and several dishes and main annex are all in the specific height range in ground, the adjustment of being convenient for, maintenance and easy maintenance.

Description

Passive liquid level height digital display instrument driven by buoyancy

Technical Field

The utility model relates to an agricultural machine facility field specifically relates to a rely on buoyancy driven passive liquid level height digital display appearance for inside greenhouse.

Background

Inside the greenhouse, both cooling water and liquid biological fertilizer need to build a pool with larger volume for buffering and containing. According to incomplete statistics, most of the water pools of the existing greenhouse are not provided with liquid level height real-time sensing and detecting equipment, and managers need to frequently open cover plates of container pools to know the storage amount of liquid in the pools through visual inspection, so that great inconvenience is brought to management, and operation safety is not guaranteed. Secondly, a submersible pump is generally arranged in a large container, and if liquid cannot be supplemented in time after the water level is lowered to the lower limit, the water pump can be exposed to the danger of being burnt by overheating.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's defect and not enough, the utility model provides a rely on buoyancy driven passive liquid level appearance to in pond or nutrient solution reserve tank for the cooling of wet curtain, can provide digital liquid level's display value for it, make things convenient for the administrator to carry out scientific overall arrangement to the equipment in the greenhouse, also improved the security by protective apparatus simultaneously.

The principle of the device is that the buoyancy of liquid in the pool is utilized to realize lifting in the upward direction, the gravity of the balancing weight is utilized to realize traction in the downward direction, the sampling principle is that the displacement of floaters with different liquid level heights is collected, the rotating shaft is driven to act through the steel belt, and the change value synchronous with the liquid level height is coupled to the rotating wheel of the reading disc through a series of gear combinations, so that the purpose of calculating the liquid level height in the container is finally achieved.

In order to achieve the above object, the utility model provides a rely on buoyancy driven passive liquid level height digital display instrument, it includes showy object, the balancing weight, the steel band is drawn in the drive, reading dish panel, the steel band of being contracted back, the steel band receiver, the transmission chain group, the sprocket, the drive wheel, cylindrical roller disc, main shaft axle support, quick locking knob, reading dish, the support, chassis support, main drive axle, vice drive axle, low velocity ratio regulating wheel, high velocity ratio regulating wheel, the fixed gear wheel of main shaft, the fixed pinion of main shaft and digital display instrument protective housing, showy object, balancing weight, drive are drawn and are located the container inside with the steel band, chassis support installs in container upper cover plane department, receiver, main shaft axle support and support are fixed on chassis support, there is automatic tightening mechanical device inside the receiver; the driving wheel is coaxially connected with the main driving shaft and is in key connection with the main driving shaft, two ends of the main driving shaft are supported and positioned through the main shaft support, the main driving shaft is coaxially connected with the main shaft fixed large gear and the main shaft fixed small gear, the main shaft fixed large gear and the main shaft fixed small gear can be respectively meshed with the high-speed ratio adjusting wheel and the low-speed ratio adjusting wheel, and the first end of the auxiliary driving shaft is coaxially connected with the low-speed ratio adjusting wheel and the high-speed ratio adjusting wheel; the reading disc is connected with the support, a cylindrical roller disc is integrated inside the reading disc, fixed scales are arranged on the cylindrical roller disc, the number is in a logical relation with the height of the liquid level, the cylindrical roller disc is driven by a chain wheel, the chain wheel is arranged at the second end of the auxiliary driving shaft, and the chain wheel is meshed with the transmission chain set.

Preferably, when the low speed ratio adjustment wheel on the secondary driving shaft is engaged with the main shaft fixed pinion on the main driving shaft, the speed ratio of the main driving shaft and the secondary driving shaft is 1+ n:1, and the gear is a deceleration adjustment setting mode; when the low-speed ratio adjusting wheel on the auxiliary driving shaft is meshed with the main shaft fixed large gear on the main driving shaft, the speed ratio of the main driving shaft to the auxiliary driving shaft is 1:1+ n, and the gear is in a speed-increasing adjusting setting mode.

Preferably, the cylindrical roller disc is engraved with 1-0 degree along the circumferential array direction, the tens roller of the second row can be driven to rotate 360/10 degrees by rotating the ones roller of the third row for 360 degrees, and the hundreds roller of the first row can be driven to rotate 360/10 degrees by rotating the tens roller of the second row for 360 degrees.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model has simple structure and convenient use and adjustment, can display the real-time liquid level height of the pool according to the percentage format, and the counting disc and the main accessories are all in the specific height range on the ground, thereby being convenient for adjustment and maintenance;

(2) the utility model realizes the functions without depending on the driving of power and other energy sources, has strong anti-interference capability and energy conservation;

(3) the utility model is internally provided with a preset speed ratio adjustable element, which can meet the application requirements of different liquid level height differences;

(4) the utility model discloses the reading dish has the adjustable function in axle center, can finely tune inclination according to the user's demand, and overall design is humanized.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is a front broken view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is an exploded perspective view of the key components of the present invention;

FIG. 5 is an assembled perspective view of the transmission part of the present invention;

fig. 6 is a partial cross-sectional view of the present invention;

FIG. 7 is a diagram of the appearance effect of the product of the present invention;

fig. 8 is a comparison diagram of two states during operation of the present invention.

Reference numerals:

1. a floating object; 2. a balancing weight; 3. driving a steel belt for traction; 4. a reading plate panel; 5. a retracted steel strip; 6. a steel strip storage box; 7. a transmission chain set; 8. a sprocket; 9. a drive wheel; 10. a cylindrical roller disc; 11. a digital display instrument protective shell; 12. a main shaft support; 13. quickly locking the knob; 14. a reading disc; 15. a support; 16. a chassis support; 17. a main drive shaft; 18. a secondary drive shaft; 19. a low-speed ratio adjustment wheel; 20. a high speed ratio adjustment wheel; 21. a main shaft fixed type bull gear; 22. the main shaft is fixed pinion.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 2 and 8, the floating object 1, the counterweight 2 and the driving traction steel belt 3 are elements located inside the container, the floating object 1 is made of a hollow sheet metal part or a plastic hollow part, and the driving traction steel belt 3 can meet the requirement that the reading disc 14 is flexibly rotated by a roller; the balancing weight 2 is a cement prefabricated forming part or an antirust metal part and is used for applying gravity to the floating object 1, when the liquid level descends, the weight of the balancing weight 2 drives the steel belt to move downwards, and the situation that the roller of the reading disc 14 can flexibly rotate can be met; the number of stacked clump weights 2 can be freely increased or decreased. The edges of two sides of the steel belt 3 for driving and traction are provided with through holes at equal intervals, the through holes are used for being synchronously meshed with the protruding edges on the driving wheel 9, so that the purpose of rotating the gear set is achieved, and the driving wheel 9 is used for winding and unwinding the steel belt.

Referring to fig. 1, 3, 6 and 8, in fig. 8, H represents an upper limit of the liquid level and L represents a lower limit of the liquid level, and when the liquid level in the container reaches 100% of the upper limit, the floating object 1 and the counterweight 2 are driven by buoyancy to move vertically upward, the steel strip 3 for traction is driven to rise synchronously, and the steel strip 5 which is retracted is accommodated in the steel strip accommodating box 6 because an automatic tightening mechanism is arranged in the accommodating box; because the driving traction steel belt 3 and the driving wheel 9 are in a coupling relation, the driving wheel 9 synchronously rotates in the rising process, the displacement capable of reflecting the liquid level height is transmitted to the chain wheel 8 on the reading disc 14 through the main shaft support 12, the main driving shaft 17 and the gear combination, the chain wheel 8 and the transmission chain group 7 are in a transmission relation, the chain wheel 8 drives the cylindrical roller disc 10, the cylindrical roller disc 10 is provided with fixed scales, the value and the liquid level height have a logical relation, information concerned by a user can be obtained through the value, and the reading disc panel 4 is a protective shell on the outer side of the cylindrical roller disc 10.

The above mentioned gear sets have a specific speed ratio shifting function in addition to the function of the transitional transmission torque, and the principle is to achieve the speed presetting by selectively replacing transitional gears with different diameters.

Specific examples are: as shown in fig. 5, when the low-speed-ratio-adjustment wheel 19 on the secondary drive shaft 18 is engaged with the main shaft-fixed pinion 22 on the main drive shaft 17, the speed ratio of the main drive shaft 17 to the secondary drive shaft 18 is 1+ n:1, and this gear is the deceleration adjustment setting mode; when the high-speed ratio adjusting wheel 20 on the auxiliary driving shaft 18 is meshed with the main shaft fixed large gear 21 on the main driving shaft 17, the speed ratio of the main driving shaft 17 and the auxiliary driving shaft 18 is 1:1+ n, and the gear is in a speed-increasing adjusting setting mode; the speed ratio conversion function is set in order to meet the depth presetting requirement in a certain range of the container, and the reason is that the speed ratio value of the transition gear needs to be changed to meet the requirement that the lifting amplitude of the steel strip 3 for driving traction is equal to the speed of the cylindrical roller disc 10.

Preferably, the speed ratio adjustment is one-time adjustment, gear positioning is carried out after proper equipment debugging and selection is carried out, and the arrangement mode of the gears is changed only when needed next time;

the inside of the reading plate 14 is integrated with a cylindrical roller plate 10, and each set of the cylindrical roller plate is engraved with 1-0 degree along the circumferential array direction. The rotation of 360 degrees of the ones roller of the third row can drive the rotation of 360/10 degrees of the tens roller of the second row, and the rotation of 360 degrees of the tens roller of the second row can drive the rotation of 360/10 degrees of the hundreds roller of the first row. The principle is the same as that of the conventional counter and is not described again; the reading plate 14 and the internal integrated cylindrical roller plate 10 can rotate coaxially with the chain wheel 8, the rotation angle can be freely adjusted according to the habit of a user, and the quick locking knob 13 is locked after selecting a proper angle, and the quick locking knob 13 is used for positioning the inclination angle, as shown in fig. 6 and 7.

The utility model provides a rely on buoyancy driven passive liquid level height digital display appearance. When the device is used, the depth value of the container to be monitored is measured, the accurate display range of the reading disc 14 is calculated according to the height difference, the adjustable element of the device is adjusted if necessary, and the device is tested repeatedly to achieve the optimal simulation value.

The device and a chassis support 16 are arranged on the plane of an upper cover of a container, the place needing an opening is processed as appropriate and sealed, a groove is formed in the chassis support 16 and used for penetrating through a driving traction steel belt 3, the support 15 is fixed on the chassis support 16, a reading disc 14 is fixed on the support 15 through a quick locking knob 13, a digital display instrument protective shell 11 is arranged above the chassis support 16 and is an 1/4 cylindrical shell, an opening is formed in the middle of the shell, and after the two digital display instrument protective shells 11 are spliced, the reading disc 14 and the support 15 penetrate out of the opening.

The liquid level height is simulated and repeatedly tested, the flexibility of the steel belt 3 for driving traction is checked, and the superposition quantity of the balancing weights 2 in the container is properly increased or decreased, so that the buoyancy and the gravity can meet the requirements of contraction and release of the steel belt 3 for driving traction, and the authenticity of the data to be tested is ensured.

Because the internal environment of the pool is moist, the steel belt 3 for driving traction is preferably made of anticorrosive materials, the floating ball in the pool is made of plastics with waterproof and antirust functions, and the balancing weight is made of a prefabricated cement block or a stainless steel forming part.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. As a result of the observation: like reference numbers and letters indicate like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Claims

1. A buoyancy-driven passive liquid level height digital display instrument comprises a floating object, a balancing weight, a driving traction steel belt, a reading plate panel, a contracted steel belt, a steel belt storage box, a transmission chain group, a chain wheel, a driving wheel, a cylindrical roller wheel plate, a main shaft support, a quick locking knob, a reading plate, a support, a chassis support, a main driving shaft, an auxiliary driving shaft, a low-speed-ratio adjusting wheel, a high-speed-ratio adjusting wheel, a main shaft fixed large gear, a main shaft fixed small gear and a digital display instrument protective shell,

the floating object, the balancing weight and the steel belt for driving traction are positioned in the container, the chassis support is arranged on the plane of the upper cover of the container, the storage box, the spindle shaft support and the support are fixed on the chassis support, and an automatic tightening mechanical device is arranged in the storage box;

the driving wheel is coaxially connected with the main driving shaft and is in key connection with the main driving shaft, two ends of the main driving shaft are supported and positioned through the main shaft support, the main driving shaft is coaxially connected with the main shaft fixed large gear and the main shaft fixed small gear, the main shaft fixed large gear and the main shaft fixed small gear can be respectively meshed with the high-speed ratio adjusting wheel and the low-speed ratio adjusting wheel, and the first end of the auxiliary driving shaft is coaxially connected with the low-speed ratio adjusting wheel and the high-speed ratio adjusting wheel;

the reading disc is connected with the support, a cylindrical roller disc is integrated inside the reading disc, fixed scales are arranged on the cylindrical roller disc, the number is in a logical relation with the height of the liquid level, the cylindrical roller disc is driven by a chain wheel, the chain wheel is arranged at the second end of the auxiliary driving shaft, and the chain wheel is meshed with the transmission chain set.

2. The buoyancy-driven passive digital liquid level indicator according to claim 1, wherein when the low-speed ratio adjusting wheel on the secondary driving shaft is engaged with the main shaft fixed pinion on the main driving shaft, the speed ratio of the main driving shaft to the secondary driving shaft is 1+ n:1, and the gear is a deceleration adjustment setting mode; when the low-speed ratio adjusting wheel on the auxiliary driving shaft is meshed with the main shaft fixed large gear on the main driving shaft, the speed ratio of the main driving shaft to the auxiliary driving shaft is 1:1+ n, and the gear is in a speed-increasing adjusting setting mode.

3. The buoyancy driven passive digital liquid level indicator according to claim 1, wherein the cylindrical roller disc is engraved with 1-0 degrees along the circumferential array direction, the ones roller of the third row can rotate 360 degrees to drive the tens roller of the second row to rotate 360/10 degrees, and the tens roller of the second row can rotate 360 degrees to drive the hundreds roller of the first row to rotate 360/10 degrees.

4. The buoyancy-driven passive digital liquid level indicator according to claim 1, wherein the edges of the two sides of the steel belt for driving and traction are provided with through holes at equal intervals, and the through holes are synchronously meshed with the protruding edges on the driving wheel.