CN210141928U - Novel automatic water level measuring device - Google Patents
Novel automatic water level measuring device Download PDFInfo
- Publication number
- CN210141928U CN210141928U CN201921108454.5U CN201921108454U CN210141928U CN 210141928 U CN210141928 U CN 210141928U CN 201921108454 U CN201921108454 U CN 201921108454U CN 210141928 U CN210141928 U CN 210141928U
- Authority
- CN
- China
- Prior art keywords
- water level
- rope
- measuring device
- convex
- level measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to the technical field of water level measurement, and discloses a novel automatic water level measuring device, which is used for measuring the water level height of a water level hole, wherein the water level hole has an initial water level height and comprises a hub driven to rotate by external force, a rotary inductor used for detecting the number of turns of the hub, a connecting rope and a counterweight, the rotary inductor is electrically connected with a counter, one end of the connecting rope is fixedly arranged with the hub and is wound on the hub, and the other end of the connecting rope is fixedly arranged with the counterweight; along with rising or descending of water level, the counterweight is followed and is floated together, connects rope extension or shrink, connects the distance that the rope removed and the altitude variation of water level promptly, can obtain the height of water level any moment according to the initial height and the altitude variation of water level, realizes the high long-term monitoring of water level to the water level of water level hole, comes direct measurement water level height along with the position change of water level through connecting rope, counterweight, has avoided because the error that indirect measurement produced, has improved the accuracy of monitoring.
Description
Technical Field
The patent of the utility model relates to a water level measurement's technical field particularly, relates to a novel automatic water level measurement device.
Background
The monitoring of the underground water level is one of the main contents of deep foundation pit engineering monitoring projects, the underground water level is lost too fast, the influence on peripheral buildings and peripheral roads is large, the early warning effect on foundation pit collapse is also realized, and the monitoring of the underground water level is one of the extremely important monitoring projects in the deep foundation pit engineering construction process.
At present, the water level in the construction process of various deep foundation pits is mainly monitored by traditional manual monitoring, and manual monitoring is carried out by operators by using tools such as a water level gauge and the like; the existing automatic monitoring method adopts a vibrating wire converted by pressure or a pressure-sensitive digital sensor, and calculates the height change of the water level by sensing the pressure change of underground water through the sensor.
The existing manual monitoring mode is greatly influenced by operators, too depends on the level of the operators, has larger errors caused by manual work and low safety coefficient, and cannot be monitored at night or under severe weather conditions; however, in the automatic monitoring of measuring the groundwater level by using the pressure change, a large error inevitably exists because the groundwater level is indirectly calculated by the pressure change.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel automatic water level measuring device, aim at solving prior art, be difficult to realize the problem of automatic monitoring ground water level under the circumstances of guaranteeing the precision.
The utility model discloses a realize like this, a novel automatic water level measurement device for measure the water level height in water level hole, water level hole has initial water level height, include by the rotatory wheel hub of external drive, be used for detecting the rotatory inductor of wheel hub number of revolutions, connect rope and counterweight, rotatory inductor is electric connection with the counter, connect the one end of rope with wheel hub is fixed the arranging, and the winding is in on the wheel hub, the other end with the counterweight is fixed the arranging.
Furthermore, the connecting rope comprises a plurality of rope groups, the rope groups are arranged in an end-to-end connection mode, each rope group comprises a concave rope and a convex rope, each concave rope is cylindrical, each convex rope comprises a cylindrical convex section and two circular truncated cone-shaped convex rope heads, the larger end of each convex rope head is fixedly arranged with the corresponding convex section, the smaller end of each convex rope head is fixedly arranged with the corresponding concave section, and the diameter of each convex section is larger than that of each concave rope; the hub comprises a base and a rotating wheel which are fixed on the ground, the rotating wheel is rotatably connected with the base, when the connecting rope is wound on the rotating wheel, the connecting rope is arranged along the axial direction of the rotating wheel, the concave rope and the convex rope are arranged just oppositely, namely, the convex section is abutted to the concave rope.
Furthermore, the base is provided with a clamping module, the clamping module comprises two clamping elements, the two clamping elements are symmetrically arranged, the clamping elements comprise a supporting rod fixed on the base, a telescopic cylinder fixed on the supporting rod, a telescopic rod and a rolling cylinder, the interior of the telescopic cylinder is arranged in a hollow mode, the telescopic rod is embedded into the telescopic cylinder, a compression spring is arranged inside the telescopic cylinder, one end of the compression spring abuts against the telescopic cylinder, the other end of the compression spring is fixedly arranged with the telescopic rod, the rolling cylinder is movably connected with the telescopic rod, and the rolling cylinder abuts against the connecting rope; when the rolling cylinder is abutted to the convex rope, the convex rope extrudes the rolling cylinder to enable the compression spring to be in a compression state, and when the rolling cylinder is abutted to the concave rope, the compression spring is in a reset state.
Further, the runner has the pivot, the base has the rotation groove, the pivot embedding the rotation groove just is in rotate the inslot internal rotation, the cover is equipped with torsion spring in the pivot, torsion spring's one end with the pivot is fixed arrangement, the other end with the rotation groove is fixed arrangement, works as the runner is rotatory to be made when the counterweight descends, torsion spring is the torsional compression state.
Furthermore, be equipped with the infrared inductor who is used for responding to rolling tube position on the telescopic tube, infrared inductor with the counter is electric connection, works as compression spring is compression state, the rolling tube along with when the telescopic link is shrink, infrared inductor feeds back the signal to the counter, the counter record the number of times that the rolling tube shrinks.
Further, the counterweight has a shell, and the inside cavity that is arranged that is hollow of shell forms and holds the chamber, hold the chamber and fill industry lubricating oil.
Further, the counterweight is equipped with oil pump and oil storage bin, oil storage bin fixes the top of casing, the oil pump is in inside the casing, just the oil pump intercommunication hold the chamber and oil storage bin, the casing has upper surface up, the upper surface of casing is equipped with pressure sensor, works as the casing immerses the surface of water extremely when pressure sensor submerges in, follow in the oil pump with the industrial lubricating oil hold the chamber and extract in the oil storage bin, make the casing come-up and keep the upper surface of casing is on the surface of water.
Further, the material of the shell is titanium alloy.
Further, the base includes chassis, linear electric motor, slide rail and mount, the chassis is fixed and arranges, linear electric motor fixes on the chassis, the slide rail is fixed on the chassis, linear electric motor with the mount is fixed and arranges, and drives the mount slides on the slide rail, the mount has the rotation groove, the pivot embedding of runner the rotation groove.
Further, the inside of concave rope is equipped with first magnet, the inside of protruding section is equipped with the second magnet, first magnet with the second magnet all has negative pole and positive pole, follows the axial direction of runner, the negative pole of first magnet with the positive pole of second magnet is just to arranging, the positive pole of first magnet with the negative pole of second magnet is just to arranging.
Compared with the prior art, the utility model provides a novel automatic water level measuring device, wheel hub is rotated by external force drive, the rotatory number of turns of wheel hub is detected to the rotary inductor, and be electric connection with the counter, the one end of connecting rope is fixed to be arranged with the runner, and twine on the runner, the other end is fixed to be arranged with the counterweight, wheel hub rotation makes the counterweight put into the water level hole to float on the surface of water, the rotary inductor senses the number of turns of runner rotation, and transmit the signal to the counter, the counter is used for connecting the route that the rope removed, along with the rising or descending of water level, the counterweight floats together, the connecting rope extends or contracts, the route that the connecting rope removed is the height variation of water level, can obtain the height of water level at any moment according to the initial height of water level and height variation, realize the long-term monitoring of water level height of water level hole, the automatic monitoring of the water level height is realized, the water level height is directly measured along with the position change of the water level through the connecting rope and the counterweight, the error caused by indirect measurement is avoided, and the monitoring accuracy is improved.
Drawings
Fig. 1 is a front view of a novel automatic water level measuring device provided by the present invention;
fig. 2 is a schematic structural view of a connecting rope of the novel automatic water level measuring device provided by the present invention;
fig. 3 is a schematic structural diagram of a clamping member of a novel automatic water level measuring device provided by the invention;
fig. 4 is a schematic structural diagram of a counterweight of the novel automatic water level measuring device provided by the invention;
fig. 5 is a schematic circuit connection diagram of the novel automatic water level measuring device provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-5, the preferred embodiment of the present invention is shown.
The embodiment provides a novel automatic water level measuring device for solve and be difficult to realize the problem of automatic monitoring ground water level under the circumstances of guaranteeing the precision.
The utility model provides a novel automatic water level measuring device for measure the water level height of water level hole, the water level hole has initial water level height, including receiving external drive rotatory wheel hub 1, the rotary inductor 2 that is used for detecting 1 number of turns of rotation of wheel hub, connecting rope 3 and counterweight 4, rotary inductor 2 is electric connection with counter 5, and the one end of connecting rope 3 is fixed arrangement with wheel hub 1, and the winding is on wheel hub 1, and the other end is fixed arrangement with counterweight 4.
The novel automatic water level measuring device comprises a hub 1 driven by external force to rotate, a rotary inductor 2 for detecting the number of turns of the rotation of the hub 1 and electrically connected with a counter 5, one end of a connecting rope 3 fixedly arranged with a runner 12 and wound on the runner 12, the other end fixedly arranged with a weight 4, the hub 1 rotates to enable the weight 4 to be placed in a water level hole to float on the water surface, the rotary inductor 2 for inducing the number of turns of the rotation of the runner 12 and transmitting signals to the counter 5, the counter 5 calculates the moving distance of the connecting rope 3, namely the initial height of the water level, the weight 4 floats along with the rising or falling of the water level, the connecting rope 3 extends or contracts, the moving distance of the connecting rope 3, namely the height variation of the water level, the height at any moment can be obtained according to the initial height of the water level and the height variation, the realization is to the long-term monitoring of the water level height of water level hole, has realized the automatic monitoring to the water level height, changes along with the position of water level through connecting rope 3, counterweight 4 and comes direct measurement water level height, has avoided because the error that indirect measurement produced, has improved the accuracy of monitoring.
The hub 1 is provided with a control element, the hub 1 is driven to rotate by the driving motor, and the driving motor and the counter 5 are respectively and electrically connected with the control element.
The connecting rope 3 comprises a plurality of rope groups which are connected end to end, each rope group comprises a concave rope 31 and a convex rope, each concave rope 31 is cylindrical, each convex rope comprises a cylindrical convex section 32 and two circular truncated cone-shaped convex rope heads 33, the larger end of each convex rope head 33 is fixedly arranged with the corresponding convex section 32, the smaller end of each convex rope head 33 is fixedly arranged with the corresponding concave section, and the diameter of each convex section 32 is larger than that of each concave rope 31; hub 1 is including fixing base 11 and runner 12 on ground, and runner 12 is the rotation with base 11 and is connected, when connecting rope 3 winding on runner 12, along the axial direction of runner 12, concave rope 31 is just to arranging with protruding rope, protruding section 32 butt concave rope 31 promptly.
The both ends that are cylindric protruding section 32 are fixed arrangement with the great one end of two protruding fag ends 33 respectively, the one end that is cylindric concave rope 31 is fixed arrangement with the less one end of protruding fag end 33, thereby form the cordset, when connecting 3 twines on runner 12, along runner 12's axial direction, concave rope 31 is the looks embedded arrangement with protruding rope and just to arranging, protruding section 32 butt concave rope 31 promptly, thereby will connect 3 neatly twines of rope and roll up, avoid connecting 3 production of rope and entangle mutually and the phenomenon of knoing, the space that occupies when having practiced thrift simultaneously and connecting 3 twines.
The base 11 is provided with a clamping module, the clamping module comprises two clamping pieces 111, the two clamping pieces 111 are symmetrically arranged, the clamping pieces 111 comprise supporting rods 1111 fixed on the base 11, telescopic cylinders 1112 fixed on the supporting rods 1111, telescopic rods 1113 and rolling cylinders 1114, the telescopic cylinders 1112 are arranged in a hollow mode, the telescopic rods 1113 are embedded into the telescopic cylinders 1112, compression springs 1115 are arranged in the telescopic cylinders 1112, one ends of the compression springs 1115 are abutted to the telescopic cylinders 1112, the other ends of the compression springs are fixedly arranged with the telescopic rods 1113, the rolling cylinders 1114 are movably connected with the telescopic rods 1113, and the rolling cylinders 1114 are abutted to the connecting ropes 3; when the roller tube 1114 abuts against the convex string, the convex string presses the roller tube 1114 to compress the compression spring 1115, and when the roller tube 1114 abuts against the concave string 31, the compression spring 1115 is in a reset state.
When the weight 4 descends, the total weight of the weight 4 and the connecting rope 3 is greater than the elastic force of the compression spring 1115, the gap between the roller cylinders 1114 on the two sides is smaller than the diameter of the convex section 32, the roller cylinders 1114 on the two sides are squeezed open by the convex section 32, the connecting rope 3 descends, and the compression spring 1115 is in a compressed state; after the weight 4 submerges in the surface of water, the weight 4 receives buoyancy and floats, and the gravity of connecting rope 3 is less than the elasticity of compression spring 1115, and compression spring 1115 resets, pushes out the roller 1114 of both sides, and roller 1114 butt concave rope 31 makes connecting rope 3 stop descending, guarantees that connecting rope 3 is in the tensioning state, avoids causing the water level measuring error because of connecting rope 3 lax bending.
The rotating wheel 12 has a rotating shaft, the base 11 has a rotating slot, the rotating shaft is embedded into the rotating slot and rotates in the rotating slot, the rotating shaft is sleeved with a torsion spring 121, one end of the torsion spring 121 is fixedly arranged with the rotating shaft, the other end of the torsion spring 121 is fixedly arranged with the rotating slot, and when the rotating wheel 12 rotates to enable the counterweight 4 to descend, the torsion spring 121 is in a torsional compression state.
When the torsion spring 121 is in a torsional compression state, the elastic force of the torsion spring 121 is greater than the sum of the elastic force of the compression spring 1115 and the gravity of the connecting rope 3 and is less than the sum of the elastic force of the compression spring 1115, the gravity of the connecting rope 3 and the gravity of the counterweight 4, and when the counterweight 4 floats upwards on the water surface due to the rising of the water level, the elastic force of the torsion spring 121 enables the connecting rope 3 to move upwards, so that the connecting rope 3 is always kept in a tension state, and the water level measurement error caused by the loose and bent connecting rope 3 is avoided.
Be equipped with the infrared inductor who is used for responding to roller 1114 position on the telescopic cylinder 1112, infrared inductor is electric connection with counter 5, is compression state when compression spring 1115, and when roller 1114 contracts along with telescopic link 1113, infrared inductor feeds back the signal to counter 5, and counter 5 records the number of times that roller 1114 contracts.
Because the length of the rope group is fixed, the counter 5 can preliminarily calculate the approximate moving distance of the connecting rope 3 through the contraction times of the roller cylinders 1114, compares the distance obtained by the rotary inductor 2 with the approximate distance obtained by the infrared inductor, avoids data errors caused by faults of the rotary inductor 2, controls the distance data obtained by the rotary inductor 2 in a reasonable and accurate range, and improves the accuracy of water level monitoring.
The weight member 4 has a housing 41, the housing 41 is hollow to form a containing cavity 42, and the containing cavity 42 is filled with industrial lubricating oil.
The chamber 42 is filled with air, and the average density of the entire weight 4 is made slightly smaller than water after filling with the industrial lubricant, so that the entire weight 4 is submerged but floats on the water surface.
The counterweight 4 is provided with an oil pump 43 and an oil storage bin 44, the oil storage bin 44 is fixed at the top end of the shell 41, the oil pump 43 is located inside the shell 41, the oil pump 43 is communicated with the accommodating cavity 42 and the oil storage bin 44, the shell 41 is provided with an upward upper surface, the upper surface of the shell 41 is provided with a pressure sensor 45, when the shell 41 is immersed in water until the pressure sensor 45 is submerged in the water, the oil pump 43 pumps industrial lubricating oil from the accommodating cavity 42 into the oil storage bin 44, so that the shell 41 floats upwards and the upper surface of the shell 41 is kept above the water surface.
The material of the housing 41 is a titanium alloy.
The titanium alloy housing 41 ensures that the weight member 4 is not corroded, and the titanium alloy can increase the weight of the housing 41, so that the height of the housing 41 exposed to the water surface can be maintained by adjusting the filling amount of industrial lubricating oil through the oil pump 43.
The base 11 includes a chassis 1116, a linear motor 1117, a sliding rail 1118 and a fixing frame 1119, the chassis 1116 is fixedly disposed, the linear motor 1117 is fixed on the chassis 1116, the sliding rail 1118 is fixed on the chassis 1116, the linear motor 1117 and the fixing frame 1119 are fixedly disposed, and the fixing frame 1119 is driven to slide on the sliding rail 1118, the fixing frame 1119 has a rotating groove, and a rotating shaft of the rotating wheel 12 is embedded into the rotating groove.
The inside of concave rope 31 is equipped with first magnet, and the inside of protruding section 32 is equipped with the second magnet, and first magnet and second magnet all have negative pole and positive pole, and along the axial direction of runner 12, the negative pole of first magnet is just to arranging with the positive pole of second magnet, and the positive pole of first magnet is just to arranging with the negative pole of second magnet.
When connecting 3 upward movements of rope and winding and retrieving on runner 12, concave rope 31 inlays mutually with protruding section 32 because the magnetic force effect of magnet is automatic, realizes connecting 3's recovery winding very conveniently, when connecting 3 downstream of rope, because the magnetic force of magnet is less, is less than the gravity of connecting rope 3, can not lead to the fact the hindrance to the decline of connecting rope 3.
The material of connecting rope 3 is polypropylene plastic, has better corrosion resistance for connecting rope 3 and can submerge in the groundwater for a long time, be difficult to damage, avoid often changing and connect rope 3 and cause the inconvenient and costly problem of use.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a novel automatic water level measuring device for measure the water level height in water level hole, water level hole has initial water level height, its characterized in that, including receive external drive rotatory wheel hub, be used for detecting the rotatory inductor of wheel hub number of turns, connect rope and counterweight, rotatory inductor is electric connection with the counter, the one end of connecting the rope with wheel hub is fixed arrangement, and the winding is in on the wheel hub, the other end with counterweight is fixed arrangement.
2. The novel automatic water level measuring device according to claim 1, wherein the connecting rope comprises a plurality of rope groups, the plurality of rope groups are arranged in an end-to-end connection manner, the rope groups comprise a concave rope and a convex rope, the concave rope is cylindrical, the convex rope comprises a cylindrical convex section and two circular truncated cone-shaped convex rope heads, the larger end of each convex rope head is fixedly arranged with the convex section, the smaller end of each convex rope head is fixedly arranged with the concave rope, and the diameter of the convex section is larger than that of the concave rope; the hub comprises a base and a rotating wheel which are fixed on the ground, the rotating wheel is rotatably connected with the base, when the connecting rope is wound on the rotating wheel, the connecting rope is arranged along the axial direction of the rotating wheel, the concave rope and the convex rope are arranged just oppositely, namely, the convex section is abutted to the concave rope.
3. The novel automatic water level measuring device according to claim 2, wherein the base is provided with a clamping module, the clamping module comprises two clamping members, the two clamping members are symmetrically arranged, the clamping members comprise a support rod fixed on the base, a telescopic cylinder fixed on the support rod, a telescopic rod and a rolling cylinder, the telescopic cylinder is hollow inside and embedded in the telescopic cylinder, a compression spring is arranged inside the telescopic cylinder, one end of the compression spring abuts against the telescopic cylinder, the other end of the compression spring is fixedly arranged with the telescopic rod, the rolling cylinder is movably connected with the telescopic rod, and the rolling cylinder abuts against the connecting rope; when the rolling cylinder is abutted to the convex rope, the convex rope extrudes the rolling cylinder to enable the compression spring to be in a compression state, and when the rolling cylinder is abutted to the concave rope, the compression spring is in a reset state.
4. A novel automatic water level measuring device as claimed in claim 3, wherein said rotary wheel has a rotary shaft, said base has a rotary slot, said rotary shaft is inserted into said rotary slot and rotates in said rotary slot, said rotary shaft is sleeved with a torsion spring, one end of said torsion spring is fixedly arranged with said rotary shaft, the other end of said torsion spring is fixedly arranged with said rotary slot, when said rotary wheel rotates to lower said weight member, said torsion spring is in a torsion compression state.
5. The novel automatic water level measuring device as claimed in claim 4, wherein the telescopic cylinder is provided with an infrared sensor for sensing the position of the rolling cylinder, the infrared sensor is electrically connected to the counter, when the compression spring is in a compressed state, the rolling cylinder contracts along with the telescopic cylinder, the infrared sensor feeds back a signal to the counter, and the counter records the number of times the rolling cylinder contracts.
6. A novel automatic water level measuring device as claimed in any one of claims 1 to 5 wherein said weight member has a housing with a hollow interior forming a receiving cavity, said receiving cavity being filled with industrial lubricating oil.
7. The novel automatic water level measuring device as claimed in claim 6, wherein the weight member is provided with an oil pump and an oil storage bin, the oil storage bin is fixed at the top end of the housing, the oil pump is located inside the housing, the oil pump is communicated with the accommodating cavity and the oil storage bin, the housing has an upward upper surface, the upper surface of the housing is provided with a pressure sensor, and when the housing is immersed in water until the pressure sensor is submerged in water, the oil pump pumps industrial lubricating oil from the accommodating cavity to the oil storage bin, so that the housing floats up and keeps the upper surface of the housing above the water surface.
8. The novel automatic water level measuring device as claimed in claim 7, wherein the material of the housing is titanium alloy.
9. The automatic water level measuring device as claimed in claim 5, wherein the base comprises a chassis, a linear motor, a slide rail and a fixing frame, the chassis is fixed on the chassis, the linear motor is fixed on the chassis, the slide rail is fixed on the chassis, the linear motor is fixed on the fixing frame, the fixing frame is driven to slide on the slide rail, the fixing frame has the rotating groove, and the rotating shaft of the rotating wheel is embedded in the rotating groove.
10. The novel automatic water level measuring device as claimed in any one of claims 2 to 5, wherein a first magnet is provided inside the concave rope, a second magnet is provided inside the convex section, the first magnet and the second magnet each have a cathode and an anode, and the cathode of the first magnet and the anode of the second magnet are arranged in a facing manner and the anode of the first magnet and the cathode of the second magnet are arranged in a facing manner along the axial direction of the rotating wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108454.5U CN210141928U (en) | 2019-07-15 | 2019-07-15 | Novel automatic water level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108454.5U CN210141928U (en) | 2019-07-15 | 2019-07-15 | Novel automatic water level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210141928U true CN210141928U (en) | 2020-03-13 |
Family
ID=69736400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921108454.5U Active CN210141928U (en) | 2019-07-15 | 2019-07-15 | Novel automatic water level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210141928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946246A (en) * | 2021-03-31 | 2021-06-11 | 甘肃省治沙研究所 | Automatic monitoring system of groundwater constant-level compensation lysimeter |
| CN113650793A (en) * | 2021-10-21 | 2021-11-16 | 成都飞机工业（集团）有限责任公司 | Visual gravity oil filling port and scale marking method thereof |
-
2019
- 2019-07-15 CN CN201921108454.5U patent/CN210141928U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946246A (en) * | 2021-03-31 | 2021-06-11 | 甘肃省治沙研究所 | Automatic monitoring system of groundwater constant-level compensation lysimeter |
| CN113650793A (en) * | 2021-10-21 | 2021-11-16 | 成都飞机工业（集团）有限责任公司 | Visual gravity oil filling port and scale marking method thereof |
| CN113650793B (en) * | 2021-10-21 | 2022-01-25 | 成都飞机工业（集团）有限责任公司 | Visual gravity oil filling port and scale marking method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210141928U (en) | Novel automatic water level measuring device | |
| CN201429416Y (en) | Automatic lifting measurement device for movable type inclinometer | |
| CN103591941B (en) | Energy-saving Marine GIS vertical section measuring system | |
| CN113296134B (en) | Reservoir landslide array type underwater deformation monitoring device and monitoring method | |
| CN112110359B (en) | Natural gas exploitation winch with depth measurement function and using method | |
| CN107830837B (en) | Layered settlement automatic measuring device and measuring method thereof | |
| CN1861982A (en) | Gravity cable winding float-type water gage | |
| CN110207790B (en) | Novel automatic water level measuring mode | |
| CN110579159B (en) | Utensil is examined to production tree gland step degree of depth under water | |
| CN108871506B (en) | Hydrology monitoring devices | |
| CN203116798U (en) | Portable underground water electronic water level indicator | |
| CN207881798U (en) | A kind of float gauge | |
| CN207730301U (en) | Underground water level measurement device | |
| CN218496219U (en) | Automatic underground water level monitoring device | |
| CN211696611U (en) | Water level measuring device for hydraulic engineering detection | |
| CN216081689U (en) | Hydraulic engineering design is with novel water level detection device | |
| CN206990065U (en) | A kind of hydraulic engineering condensate tank of dehumidifier | |
| CN214893561U (en) | Hydraulic engineering is with water level detection device convenient to it is clean | |
| CN204788585U (en) | Drilling ground water level meter | |
| CN214530829U (en) | Device for measuring pile tip displacement | |
| CN214199967U (en) | Device for monitoring height of soil core in tubular pile | |
| CN213902554U (en) | External liquid level reading device for metering tank of modular drilling machine | |
| CN211954341U (en) | Water conservancy water and electricity water level sighting rod | |
| CN209624574U (en) | A kind of PH detection device for environmental monitoring | |
| CN219084191U (en) | Groundwater level monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |