CN211978596U - Static liquid weighing device - Google Patents
Static liquid weighing device Download PDFInfo
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- CN211978596U CN211978596U CN202020711919.2U CN202020711919U CN211978596U CN 211978596 U CN211978596 U CN 211978596U CN 202020711919 U CN202020711919 U CN 202020711919U CN 211978596 U CN211978596 U CN 211978596U
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- measuring cylinder
- constant temperature
- screw rod
- liquid level
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Abstract
The utility model discloses a liquid static weighing device, which comprises a base, a measuring cylinder, a computer, a thermostat, a liquid level adjusting device, a weighing device and a scale mark recognition device, wherein the upper end of the base is provided with the thermostat, the liquid level adjusting device comprises a piston which is connected with the inside of the measuring cylinder in a longitudinal sliding way, a guide rod which is vertically fixed on a top plate, a lead screw which is fixed in a fixed cavity through a bearing and extends into the measuring cylinder through a connecting sleeve, a lifting slider which is sleeved on the lead screw and is connected with the lead screw in a sliding way, a lifting sleeve which is fixed on the lifting slider and sleeved on the lead screw and a driving mechanism which is used for driving the lead screw to rotate, the top end of the lifting sleeve is connected with the bottom end surface of the piston, the upper end of the piston is fixed with a reflecting plate, one end of the guide rod which is close to the measuring cylinder is fixed with a laser liquid, the accuracy of the measurement of the glass float meter is ensured.
Description
Technical Field
The utility model relates to a glass floating meter detects calibration technical field, specifically is a liquid static weighing device.
Background
For a density of less than 650kg/m3In the detection of the glass float meter, some domestic units do beneficial exploration based on a static weighing method, but most of the detection units stay in a simple model experiment stage, and a mature detection device for popularization does not exist. The existing device adopts manual reading, the verification of different scale points is realized by manually lifting the verified glass float meter, the verification process is complicated, the human error is large, and the device is not suitable for the verification of the glass float meter with large quantity and high repetition rate. The natural volatilization of the verification liquid and the liquid level fluctuation in the identification process can cause certain measurement errors, the tangent condition of the verification liquid level and the scale mark to be detected needs to be observed manually in real time, large artificial errors are easy to generate, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrostatic weighing device is in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydrostatic weighing device comprises a base, a measuring cylinder, a computer, a thermostatic device, a liquid level adjusting device, a weighing device and a scale mark recognition device, wherein the computer is used for receiving and processing data;
the liquid level adjusting device comprises a piston which is connected with the inside of the measuring cylinder in a sliding mode in the longitudinal direction, a guide rod which is vertically fixed on the top plate, a screw rod which is fixed in a fixed cavity through a bearing and penetrates through a connecting sleeve to extend into the measuring cylinder, a lifting slide block which is sleeved on the screw rod and is connected with the screw rod in a sliding mode, a lifting sleeve which is fixed on the lifting slide block and sleeved on the screw rod, and a driving mechanism which is used for driving the screw rod to rotate, wherein the top end of the lifting sleeve is connected with the bottom end face of the piston, a reflecting plate is fixed at the upper end of the piston, and a laser liquid level sensor which corresponds.
Preferably, a sealing gasket is fixed on a contact surface between the bottom end of the transition part and the top end of the thermostatic barrel.
Preferably, the weighing device comprises a guide sleeve, a weighing platform, a weighing balance and a glass float gauge, wherein the guide sleeve is sleeved on the guide rod and is in sliding connection with the guide rod, the weighing platform is fixed on one side of the guide sleeve, the weighing balance is fixed on the side wall of the weighing platform, the glass float gauge is fixed on the weighing balance through a fixing rope, and the glass float gauge can extend into the measuring cylinder in the vertical direction through a lifting mechanism.
Preferably, elevating system is including fixing the dish of receiving on the bracing piece for the drive receive and releases dish pivoted motor one, fixes leading wheel and connection rope on the roof, the one end of connecting the rope is fixed on the lateral wall of uide bushing, and the other end of connecting the rope walks around the leading wheel and fixes on receiving and releasing dish.
Preferably, the driving mechanism comprises a second motor fixed in the fixed chamber, an output shaft of the second motor is parallel to the screw rod, a first chain wheel fixed on the output shaft of the second motor, a second chain wheel fixed on the bottom end of the screw rod and a chain for driving the two chain wheels to rotate.
Preferably, the scale mark recognition device includes an industrial digital camera and an industrial lens fixed on the support rod and corresponding to the measuring cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the liquid level adjusting device comprises a piston which is connected with the inside of a measuring cylinder in a sliding way in the longitudinal direction, a guide rod which is vertically fixed on a top plate, a screw rod which is fixed in a fixed cavity through a bearing and extends into the measuring cylinder through a connecting sleeve, a lifting slide block which is sleeved on the screw rod and is connected with the screw rod in a sliding way, a lifting sleeve which is fixed on the lifting slide block and is sleeved on the screw rod, and a driving mechanism for driving the screw rod to rotate, wherein the top end of the lifting sleeve is connected with the bottom end surface of the piston, a reflecting plate is fixed at the upper end of the piston, a laser liquid level sensor which corresponds to the reflecting plate is fixed at one end of the guide rod which is close to the measuring cylinder, the condition of the detected liquid level is monitored through the laser liquid level sensor, when the liquid level is lower, the laser liquid level sensor sends the detected information to, meanwhile, the lifting slide block pushes the piston to vertically ascend along the inner wall of the measuring cylinder through the lifting sleeve, so that the detected liquid level ascends, when the detected liquid level is low, the lifting slide block descends by controlling the two opposite directions of the motor by the computer to rotate, meanwhile, the lifting slide block drives the piston to vertically move downwards along the inner wall of the measuring cylinder through the lifting sleeve, so that the detected liquid level is reduced, the matching of the screw rod and the lifting slide block is used, so that the lifting precision of the detected liquid level is high, the detected liquid level is small in fluctuation in the lifting process, and the measuring precision is indirectly improved. Therefore, the liquid level adjusting device can automatically realize the lifting of the detected liquid level, the mutual switching between different calibration points of the glass float meter is realized by the lifting of the liquid level, and the calibration of different scale points of the glass float meter is further realized to meet the working requirement.
(2) The utility model discloses in the top integrated into one piece of a measuring section of thick bamboo have with the transition portion of a constant temperature section of thick bamboo looks adaptation, and the contact surface on transition portion bottom and a constant temperature section of thick bamboo top is fixed with sealed the pad, under the portion of transition and sealed mutually supporting of filling up for the inside sealed environment that forms of a constant temperature section of thick bamboo, thereby can reduce thermal scattering and disappearing, improve heat retaining effect.
(3) The utility model discloses realize automatic examination and the calibration to the different scale interval of glass flotation meter, ensured the measuring precision to glass flotation meter.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: 1. a base; 101. a support bar; 102. a top plate; 2. a constant temperature cylinder; 3. a measuring cylinder; 4. a transition section; 5. a gasket; 6. a piston; 7. a reflector; 8. a laser liquid level sensor; 9. heating resistance wires; 10. a temperature sensor; 11. a scale mark recognition device; 12. a glass float gauge; 13. a computer; 14. a weighing platform; 15. a guide bar; 16. a guide sleeve; 17. a weighing balance; 18. a guide wheel; 19. a first motor; 20. a receiving and releasing tray; 21. a fixed chamber; 22. connecting a sleeve; 23. a screw rod; 24. a lifting sleeve; 25. a lifting slide block; 26. a second motor; 27. a chain wheel I; 28. a second chain wheel; 29. and a chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides an embodiment: a hydrostatic weighing device comprises a base 1, a measuring cylinder 3, a computer 13 for receiving and processing data, a constant temperature device, a liquid level adjusting device, a weighing device and a scale mark recognition device 11, wherein a fixed chamber 21 is arranged at the central position of the base 1, support rods 101 are symmetrically and vertically fixed on the left side and the right side of the upper end of the base 1 relative to the fixed chamber 21, top ends of the two support rods 101 are horizontally connected with a top plate 102, the base 1 is provided with the constant temperature device at the upper end of the fixed chamber 21, the constant temperature device comprises a constant temperature cylinder 2, a heating resistance wire 9 and a temperature sensor 10 which are respectively fixed in the constant temperature cylinder 2, the measuring cylinder 3 is arranged in the constant temperature cylinder 2, the constant temperature cylinder 2 and the measuring cylinder 3 are made of transparent glass materials, liquid water is filled in the constant temperature cylinder 2, a calibration liquid is filled in the measuring cylinder 3, and a connecting sleeve 22 is vertically sealed and fixed between the, the bottom end of the connecting sleeve 22 is communicated with the fixed cavity 21, the transition part 4 matched with the constant temperature cylinder 2 is integrally formed at the top of the measuring cylinder 3, and an opening at the upper end of the constant temperature cylinder 2 is covered under the action of the transition part 4, so that the heat dissipation can be reduced, and the heating time can be reduced;
the liquid level adjusting device comprises a piston 6 which is connected with the inside of a measuring cylinder 3 in a sliding manner in the longitudinal direction, a guide rod 15 which is vertically fixed on a top plate 102, a screw rod 23 which is fixed in a fixed chamber 21 through a bearing and extends into the measuring cylinder 3 through a connecting sleeve 22, a lifting slide block 25 which is sleeved on the screw rod 23 and is connected with the screw rod 23 in a sliding manner, a lifting sleeve 24 which is fixed on the lifting slide block 25 and is sleeved on the screw rod 23, and a driving mechanism for driving the screw rod 23 to rotate, wherein the top end of the lifting sleeve 24 is connected with the bottom end face of the piston 6, a reflecting plate 7 is fixed at the upper end of the piston 6, a laser liquid level sensor 8 which corresponds to the reflecting plate 7 is fixed at one end of the guide rod 15 which is close to the measuring cylinder 3, the verification liquid level condition is monitored through the laser liquid level sensor 8, and, the computer 13 drives the screw rod 23 to rotate by controlling the second motor 26 to enable the lifting slide block 25 to ascend along the screw rod 23, meanwhile, the lifting slide block 25 pushes the piston 6 to ascend vertically along the inner wall of the measuring cylinder 3 by the lifting sleeve 24, so as to enable the detected liquid level to ascend, similarly, when the detected liquid level is lower, the computer 13 controls the second motor 26 to rotate reversely to enable the lifting slide block 25 to descend, meanwhile, the lifting slide block 25 drives the piston 6 to move vertically downwards along the inner wall of the measuring cylinder 3 by the lifting sleeve 24, so as to lower the detected liquid level, the matching of the screw rod 23 and the lifting slide block 25 is used, so that the lifting precision of the detected liquid level is higher, and the fluctuation of the liquid level is smaller in the lifting process of the detected liquid level, thereby indirectly improving the measuring precision, realizing the up-down movement of the automatic liquid level identification, realizing the mutual switching between different calibration mark points of the glass, thereby realizing the calibration of different scale points of the glass float meter 12 to meet the working requirement.
Further, the contact surface of 4 bottoms of transition portions and 2 tops of a constant temperature section of thick bamboo is fixed with sealed pad 5, under 4 and sealed pad 5 of transition portions mutually support for 2 inside sealed environments that form of a constant temperature section of thick bamboo, thereby can reduce thermal scattering and disappearing, improve heat retaining effect.
Further, the weighing device comprises a guide sleeve 16, a weighing platform 14, a weighing balance 17 and a glass float gauge 12, wherein the guide sleeve 16 is sleeved on the guide rod 15 and is in sliding connection with the guide rod, the weighing platform 14 is fixed on one side of the guide sleeve 16, the weighing balance 17 is fixed on the side wall of the weighing platform 14, the glass float gauge 12 is fixed on the weighing balance 17 through a fixing rope, and the glass float gauge 12 can extend into the measuring cylinder 3 along the vertical direction through a lifting mechanism.
Further, the lifting mechanism comprises a receiving disc 20 fixed on the support rod 101, a first motor 19 for driving the receiving disc 20 to rotate, a guide wheel 18 fixed on the top plate 102 and a connecting rope, one end of the connecting rope is fixed on the side wall of the guide sleeve 16, and the other end of the connecting rope bypasses the guide wheel 18 and is fixed on the take-up and pay-off disc 20, by starting the first motor 19, the first motor 19 drives the take-up and pay-off disc 20 to rotate to take up/pay off the connecting rope, so that the guide sleeve 16 with the weighing platform 14, the weighing balance 17 and the glass float gauge 12 moves up and down in the longitudinal direction along the guide rod 15, thereby achieving the accurate and automatic positioning of different detection points of the glass float gauge 12, controlling any scale mark of the glass float gauge 12 to be tangent with the detection liquid level, further, the calibration and calibration of the glass float meter 12 with different scale values are realized, and the problem that the position of the glass float meter 12 is changed by manual pulling in the existing calibration method, so that human errors occur is solved.
Furthermore, the driving mechanism comprises a second motor 26 fixed in the fixed chamber 21 and having an output shaft parallel to the screw rod 23, a first chain wheel 27 fixed on the output shaft of the second motor 26, a second chain wheel 28 fixed at the bottom end of the screw rod 23, and a chain 29 driving the two chain wheels to rotate, and through the mutual matching of the chain wheels and the chain, the second driving motor 26 can drive the screw rod 23 to rotate so as to drive the lifting slide block 25 to lift, and meanwhile, the lifting slide block 25 drives the piston 6 to move up and down along the inner wall of the measuring cylinder 3 through the lifting sleeve 24, so that the height of the detection liquid level in the measuring cylinder 3 can be changed.
Further, the scale mark recognition device 11 comprises an industrial digital camera and an industrial lens which are fixed on the support rod 101 and correspond to the measuring cylinder 3, the scale mark recognition device 11 is used for recognizing the contact condition information of the detected liquid level and the scale mark of the glass float gauge 12 and sending the information to the computer 13, and the computer 13 controls the liquid level regulation device to regulate the contact position of the scale mark of the glass float gauge 12 and the detected liquid level through the information.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a hydrostatic weighing device, includes base (1), measuring cylinder (3) for receive and the computer (13) of handling data, constant temperature equipment, liquid level control device, weighing device and scale mark recognition device (11), its characterized in that: a fixed chamber (21) is arranged at the central position of the base (1), supporting rods (101) are symmetrically and vertically fixed on the left side and the right side of the upper end of the base (1) relative to the fixed chamber (21), the top ends of the two supporting rods (101) are horizontally connected with a top plate (102), the base (1) is provided with a constant temperature device at the upper end of the fixed chamber (21), and the constant temperature device comprises a constant temperature cylinder (2), and a heating resistance wire (9) and a temperature sensor (10) which are respectively fixed in the constant temperature cylinder (2), a measuring cylinder (3) is arranged in the constant temperature cylinder (2), a connecting sleeve (22) is vertically fixed between the bottom of the constant temperature cylinder (2) and the bottom of the measuring cylinder (3) in a sealing way, the bottom end of the connecting sleeve (22) is communicated with the fixed chamber (21), and the top of the measuring cylinder (3) is integrally formed with a transition part (4) matched with the constant temperature cylinder (2);
the liquid level regulating device comprises a piston (6) which is connected with the inside of the measuring cylinder (3) in a sliding way in the longitudinal direction, a guide rod (15) which is vertically fixed on a top plate (102), a screw rod (23) which is fixed in the fixed chamber (21) through a bearing and passes through the connecting sleeve (22) to extend into the measuring cylinder (3), a lifting slide block (25) which is sleeved on the screw rod (23) and is in sliding connection with the screw rod (23), a lifting sleeve (24) which is fixed on the lifting slide block (25) and is sleeved on the screw rod (23) and a driving mechanism which is used for driving the screw rod (23) to rotate, the top end of the lifting sleeve (24) is connected with the bottom end surface of the piston (6), and a reflector (7) is fixed at the upper end of the piston (6), and a laser liquid level sensor (8) corresponding to the reflector (7) is fixed at one end of the guide rod (15) close to the measuring cylinder (3).
2. A hydrostatic weighing apparatus according to claim 1, wherein: and a sealing gasket (5) is fixed on the contact surface between the bottom end of the transition part (4) and the top end of the constant temperature cylinder (2).
3. A hydrostatic weighing apparatus according to claim 1, wherein: the weighing device comprises a guide sleeve (16) which is sleeved on a guide rod (15) and is in sliding connection with the guide rod, a weighing platform (14) which is fixed on one side of the guide sleeve (16), a weighing balance (17) which is fixed on the side wall of the weighing platform (14) and a glass float gauge (12) which is fixed on the weighing balance (17) through a fixed rope, wherein the glass float gauge (12) can extend into the measuring cylinder (3) along the vertical direction through a lifting mechanism.
4. A hydrostatic weighing apparatus according to claim 3, wherein: elevating system is including fixing receipts on bracing piece (101) and putting dish (20) for drive receipts is put dish (20) pivoted motor one (19), fixes leading wheel (18) and connection rope on roof (102), the one end of connecting the rope is fixed on the lateral wall of uide bushing (16), and the other end of connecting the rope is walked around leading wheel (18) and is fixed on receiving and putting dish (20).
5. A hydrostatic weighing apparatus according to claim 1, wherein: the driving mechanism comprises a second motor (26) which is fixed in the fixed chamber (21) and an output shaft of which is parallel to the screw rod (23), a first chain wheel (27) which is fixed on the output shaft of the second motor (26), a second chain wheel (28) which is fixed on the bottom end of the screw rod (23) and a chain (29) which drives the two chain wheels to rotate.
6. A hydrostatic weighing apparatus according to claim 1, wherein: the scale mark recognition device (11) comprises an industrial digital camera and an industrial lens which are fixed on the support rod (101) and correspond to the measuring cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020711919.2U CN211978596U (en) | 2020-04-24 | 2020-04-24 | Static liquid weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020711919.2U CN211978596U (en) | 2020-04-24 | 2020-04-24 | Static liquid weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211978596U true CN211978596U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020711919.2U Expired - Fee Related CN211978596U (en) | 2020-04-24 | 2020-04-24 | Static liquid weighing device |
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| CN (1) | CN211978596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910385A (en) * | 2022-07-14 | 2022-08-16 | 山东省煤田地质局第五勘探队 | Rock density measuring device |
-
2020
- 2020-04-24 CN CN202020711919.2U patent/CN211978596U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910385A (en) * | 2022-07-14 | 2022-08-16 | 山东省煤田地质局第五勘探队 | Rock density measuring device |
| CN114910385B (en) * | 2022-07-14 | 2022-09-27 | 山东省煤田地质局第五勘探队 | Rock density measuring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20210424 |