CN115183844A - Embedded type liquid level monitor convenient to disassemble and embedding method - Google Patents
Embedded type liquid level monitor convenient to disassemble and embedding method Download PDFInfo
- Publication number
- CN115183844A CN115183844A CN202110305043.0A CN202110305043A CN115183844A CN 115183844 A CN115183844 A CN 115183844A CN 202110305043 A CN202110305043 A CN 202110305043A CN 115183844 A CN115183844 A CN 115183844A
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- liquid level
- groove
- level monitor
- bolt
- sealing
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- 239000007788 liquid Substances 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 14
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000009434 installation Methods 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims description 59
- 238000003860 storage Methods 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 20
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- 238000012544 monitoring process Methods 0.000 abstract description 8
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- 241000221535 Pucciniales Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
Abstract
The invention relates to the technical field of urban waterlogging road surface accumulated water monitoring, in particular to a conveniently-detachable pre-buried liquid level monitor and a pre-burying method, wherein the conveniently-detachable pre-buried liquid level monitor comprises: the upper end surface of the cover body is provided with a plurality of bolt grooves, and sealing structures are arranged at openings of the bolt grooves; the shell body, the bolt passes the bolt groove so that lid and shell body are fixed the back, the opening that the bolt groove can be plugged up to seal structure is after the lid installation is accomplished, plug up the opening in bolt groove through seal structure, make ponding can't enter into in the bolt groove, the bolt has just also been avoided weing, make the isolated air of bolt follow water through such mode, avoid the bolt to rust, the detachable performance of liquid level monitor has been guaranteed, and simultaneously, when dismantling the liquid level monitor, only need demolish the back with seal structure, just can loosen the bolt soon in order to realize demolising of lid, so that maintain the liquid level monitor.
Description
Technical Field
The invention relates to the technical field of urban waterlogging road surface accumulated water monitoring, in particular to a pre-buried liquid level monitor convenient to disassemble and a pre-burying method.
Background
Urban waterlogging refers to a phenomenon that a strong rainfall or continuous rainfall exceeds urban drainage capacity to cause a waterlogging disaster in a city, and the reason for the waterlogging is that the rainfall intensity is large, the range is concentrated, meanwhile, the drainage is not timely due to blockage of a sewer pipeline, so that ponding is possibly formed in places with special emergency rainfall, the rainfall intensity is large, ponding is possibly formed in a long time, some urban sewer pipelines in China are aged, the drainage standard is low, some local drainage facilities are not perfect and imperfect, the construction delay of a drainage system is an important reason for causing the waterlogging, in addition, a large amount of hard pavement in the city is formed, such as a asphalt road and a cement road, the water permeability is not good during rainfall, the ponding is not easy to permeate, the ponding on the road is easy to form, municipal administration staff arrive at a designated position to visually inspect, whether the ponding is possible to be determined, when needed, the cleaning is carried out before, so that in a rainstorm season, the labor intensity of the municipal staff is too large, the cleaning is possibly not timely, the traffic is influenced, and even the life safety of people is influenced.
In order to solve the problems, a pre-embedded liquid level monitor capable of monitoring the depth of the accumulated water needs to be designed. The buried liquid level monitor monitors the ground accumulated water depth through an ultrasonic interface of the accumulated water detector, and reports to a cloud server through communication modes such as a built-in GPRS/4G/NB-IoT and the like, so that data support is provided for commanding and making decisions of industry users, and the urban hydrological monitoring capability is improved. Meanwhile, the system can be transmitted to a nearby monitoring host machine in a LoRa communication mode to carry out on-site early warning indication.
Meanwhile, for convenience of communication, a built-in power supply of the pre-buried liquid level monitor is needed, the power supply of the power supply generally needs to meet the standby condition of the pre-buried liquid level monitor for five years, the battery needs to be replaced after the liquid level monitor is disassembled after the power supply is powered off, the pre-buried liquid level monitor is used in long-time accumulated water, each bolt is easy to rust and damage threads, the pre-buried liquid level monitor is difficult to disassemble, the pre-buried liquid level monitor cannot be replaced after the battery is exhausted, or the pre-buried liquid level monitor is disassembled, the liquid level monitor becomes a disposable product, the use cost of the liquid level monitor is undoubtedly increased, and therefore the design of the pre-buried liquid level monitor convenient to disassemble is very necessary.
Disclosure of Invention
The invention aims to provide a pre-embedded liquid level monitor convenient to disassemble.
In order to solve the technical problem, the invention provides a pre-buried liquid level monitor convenient to disassemble, which comprises: the liquid level sensor comprises a cover body, a liquid level sensor and a liquid level sensor, wherein the cover body is suitable for mounting the liquid level sensor, a plurality of bolt grooves are formed in the upper end face of the cover body, and sealing structures are arranged at openings of the bolt grooves; the liquid level sensor comprises an outer shell, wherein the top of the outer shell is provided with a mounting groove suitable for mounting a cover body, an inner sleeve is connected to the inner side wall of the outer shell in a sliding manner, the inner side wall of the inner sleeve is provided with a circuit board, the bottom of the inner sleeve is sealed, the inner side wall of the inner sleeve is integrally provided with a step, an insulating plate is arranged on the step, the step is suitable for accommodating a power supply, and the power supply, the circuit board and the liquid level sensor are electrically connected; after the bolt penetrates through the bolt groove to fix the cover body and the outer shell, the opening of the bolt groove can be blocked by the sealing structure.
Further, seal structure includes sealed lid and sealed separation blade, and connects sealed lid with the folded portion of sealed separation blade, the external diameter of sealed lid is less than the diameter in bolt groove, the external diameter of sealed separation blade is greater than the diameter in bolt groove, wherein press sealed lid to inserting in the bolt groove, the gap between the folded portion can be plugged up sealed lid with the inside wall in bolt groove.
Further, the folded portion include with sealed lid fixed connection's last folding ring, and with sealed separation blade fixed connection's lower folding ring, go up folding ring with folding ring an organic whole sets up down and forms the crease in the junction, wherein sealed lid inserts behind the bolt groove, down folding ring with it encircles to go up folding fold in order to plug up sealed lid with the clearance between the inside wall in bolt groove.
Furthermore, the size of the longitudinal section of the upper folding ring is gradually reduced from top to bottom, and the size of the longitudinal section of the lower folding ring is gradually increased from top to bottom.
Further, pre-buried formula liquid level monitor still includes: the ejector rod is rotatably connected to the bottom of the inner sleeve and can extend out of the bottom end face of the outer shell, the sum of the lengths of the ejector rod and the inner sleeve is equal to the distance between the bottom of the mounting groove and the bottom of the outer shell, and a soil grabbing part is arranged at one end, protruding out of the outer shell, of the ejector rod; the baffle is rotatably connected with the outer shell and positioned at the opening of the water storage tank, the baffle is penetrated through by the ejector rod and in threaded connection with the ejector rod, a plurality of bulldozing parts are arranged on the bottom end surface of the baffle, and the bulldozing parts are uniformly distributed in the circumferential direction; the outer shell is pressed towards the earth ground so that the ejector rod pushes the upper end face of the inner sleeve to slide to be flush with the groove bottom of the mounting groove, and the ejector rod rotates in the forward direction to drive each soil pushing part to push away earth through the baffle; after the cover body is installed, the inner sleeve is pressed, and the ejector rod rotates reversely to drive each soil grabbing part to grab the ground.
Further, bulldozing portion is including fixing the protruding stupefied of baffle terminal surface with fix the bull-dozing sword of protruding stupefied lateral wall, protruding stupefied is the arc, the bull-dozing sword is located protruding stupefied outside, the longitudinal section area of bull-dozing sword is by being close to the one end of baffle is to keeping away from the one end of baffle reduces gradually, and protruding stupefied inboard is provided with a slope, wherein the ejector pin linkage when the baffle forward rotates, the bull-dozing sword can push away earth and pass through in proper order protruding stupefied with the slope.
Furthermore, the soil grabbing part comprises a plurality of grabbing rods fixed at one end of the ejector rod protruding out of the outer shell, the grabbing rods are uniformly distributed in the circumferential direction and are umbrella-shaped, the end parts of the grabbing rods are fixedly connected with a downward-inclined claw, and the claw extends towards the inner side of the convex ridge; wherein the ejector pin rotates reversely to drive each clamping jaw to be inserted into the earth ground.
Furthermore, an annular sealing groove is formed in the bottom wall of the mounting groove, a sealing ring is arranged in the sealing groove, and the sealing ring can protrude out of the upper end face of the inner sleeve; the diapire fixedly connected with of lid presses the clamping ring, press the clamping ring be located with on the corresponding position of seal groove, wherein the installation during the lid, press the clamping ring and can buckle sealed ring to inner skleeve direction guide.
Furthermore, an annular overflow groove is formed in the bottom of the mounting groove, a plurality of cooling grooves are formed in the overflow groove, the cooling grooves are communicated with the water storage groove and are spirally arranged, and accumulated water penetrating into the overflow groove between the cover body and the mounting groove can be spirally flushed out of the cooling grooves into the water storage groove; a plurality of drain holes are formed through the baffle and the convex edge, the drain holes are adaptive to plugs, a lifting floating block is arranged in the water storage tank, the plugs are respectively fixed at the bottoms of the floating blocks, and after accumulated water flows into the water storage tank, the floating blocks can drive the plugs to be separated from the drain holes.
On the other hand, the invention also provides a pre-burying method of the pre-buried liquid level monitor convenient to disassemble, which comprises the pre-buried liquid level monitor convenient to disassemble,
digging a soil ground to form a soil pit, and stacking a soil pile in the middle of the bottom of the pit;
placing the outer shell in the soil pit, and enabling the ejector rod to be in contact with the top of the soil pile;
pressing the outer shell to enable the ejector rod to push the inner sleeve upwards to be flush with the inner bottom wall of the mounting groove;
the baffle plate rotates to drive each soil pushing part to push away soil;
the cover body is arranged in the mounting groove, and the cover body presses the inner sleeve to enable the ejector rod to protrude out of the inner bottom wall of the outer shell;
the ejector rod rotates reversely to drive each soil grabbing part to tightly grab the ground.
The invention has the beneficial effects that the cover body is screwed in the mounting groove through the bolt to complete the mounting of the cover body. Be provided with seal structure at the opening part in bolt groove, after the lid installation is accomplished, plug up the opening in bolt groove through seal structure, make ponding unable enter into in the bolt groove, just also avoided the bolt to wet, make the isolated air of bolt follow water through such mode, avoid the bolt to rust, the can of dismantling of liquid level monitor has been guaranteed, and simultaneously, when dismantling the liquid level monitor, only need demolish the back with seal structure, just can be with dismantling of bolt unscrewing in order to realize the lid, so that maintain the liquid level monitor.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of a preferred embodiment of a readily removable pre-embedded liquid level monitor of the present invention;
FIG. 2 is a first perspective view of a preferred embodiment of the cover of the present invention;
FIG. 3 is a perspective view of a preferred embodiment of the seal structure of the present invention;
FIG. 4 is a semi-sectional view of a preferred embodiment of the outer housing and inner sleeve of the present invention;
FIG. 5 is an enlarged view of a portion D of FIG. 4;
FIG. 6 is a second perspective view of a preferred embodiment of the cover of the present invention;
FIG. 7 is an exploded view of the preferred embodiment of the rotating disk and cover mounting of the present invention;
FIG. 8 is a perspective view of a preferred embodiment of the rotating disk of the present invention;
FIG. 9 is a first perspective view of a preferred embodiment of the outer housing of the present invention;
FIG. 10 is a perspective view of a preferred embodiment of the insulating panel of the present invention;
FIG. 11 is a second perspective view of the preferred embodiment of the outer housing of the present invention;
fig. 12 is a partial enlarged view of a portion a of fig. 11;
FIG. 13 is a partial enlarged view of portion B of FIG. 11;
fig. 14 is a partially enlarged view of a portion C in fig. 4.
In the figure:
the device comprises a cover body 1, a mounting frame 11, a side plate 12, a liquid level sensor 13, a pressing ring 14, a rotating groove 15, a rotating disc 16, a guide groove 161, a spreading groove 162, a spreading block 163, a handrail groove 164, a lifting rotating part 17, a lifting column 171, a lifting limit plate 172, a lifting sleeve 173, a rotating limit plate 174, a lifting torsion spring 175, a guide block 18, a guide surface 181 and a bolt groove 19;
the device comprises an outer shell 2, a mounting groove 21, a water storage groove 22, a sealing groove 23, a sealing ring 24, a plug 25, a floating block 26, a sliding block 27, an overflow groove 28 and a cooling groove 29;
the inner sleeve 3, the step 31, the power supply 32, the power supply accommodating cavity 33, the insulating plate 34, the threading hole 341, the vent hole 342, the circuit board 35, the rotating groove 36 and the sliding groove 37;
a top rod 4, a rotating block 41,
A soil grabbing part 5, a grabbing rod 51 and a claw 52;
the baffle 6 and the drain hole 61;
a bulldozing part 7, a convex edge 71, a bulldozing blade 72 and a slope 73;
the sealing structure 8, the sealing cover 81, the sealing baffle 82, the folding part 83, the upper folding ring 831, the lower folding ring 832 and the crease 833.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams each illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention.
The pre-buried liquid level monitor is mainly applied to the field of urban waterlogging road surface accumulated water monitoring, when accumulated water exists, the water level is regularly collected according to a set collection period, the accumulated water condition of a low-lying road section can be monitored in real time, a manager is effectively helped to know the real-time accumulated water live condition, data support is provided for urban disaster prevention and reduction command and scheduling decisions, convenience is provided for public trips, public lives and properties are prevented from being lost, and the pre-buried liquid level monitor is widely applicable to scenes such as urban management, municipal traffic roads, residential quarters, low-lying zones, underlying parking lots, logistics parks, agricultural irrigation areas, tourist attractions and the like. For convenience of communication of current pre-buried formula liquid level monitor, need be at pre-buried formula liquid level monitor built-in power supply 32, power supply 32 generally needs to satisfy pre-buried formula liquid level monitor standby five years, and need to take apart the liquid level monitor after power supply 32 does not have the electricity and change the battery and maintain, but the liquid level monitor generally adopts the bolt to fix, and at rainwater weather, whole liquid level monitor is all submerged in ponding in order to be suitable for the degree of depth of monitoring ponding, the position that is used for fixed bolt is corrosion more easily like this, thereby the screw thread rusts and damages, make the liquid level monitor lock die and be difficult to dismantle, thereby pre-buried formula liquid level monitor can't carry out the change of battery after the battery exhausts, or tear down pre-buried formula liquid level monitor when dismantling, thereby make the liquid level monitor become disposable product, this has increased the use cost of liquid level monitor undoubtedly, therefore, a pre-buried formula liquid level monitor convenient to dismantle need to design, as shown in fig. 1-14, concrete structure is as follows:
the cover body 1 is provided with a cover body,
the cover body 1 is used for installing a liquid level sensor 13 for monitoring the water level of accumulated water, specifically, the installation mode is that an installation frame 11 is installed in the middle of the end face of the cover side of the cover body 1, side plates 12 extend from two sides of the installation frame 11, the installation frame 11 is of a cylindrical structure, an installation position suitable for installing the liquid level sensor 13 is formed in the center of the installation frame, and after the liquid level sensor 13 is installed in the installation position, the liquid level sensor 13 penetrates through the side plates 12 through bolts and is fixed on the cover body 1 so as to achieve installation of the liquid level sensor 13. A plurality of bolt grooves 19 are opened and closed on the upper end face of the cover body 1, the number of the bolt grooves 19 is preferably six, and the cover body 1 is fixed by adapting bolts in the bolt grooves 19, so that the cover body 1 is fixed more stably.
And the mounting position of the cover body 1 is as follows:
Specifically, the seal structure 8 is as follows:
the sealing structure comprises a sealing cover 81, a sealing baffle 82 and a folding part 83 for connecting the sealing cover 81 and the sealing baffle 82, wherein the outer diameter of the sealing cover 81 is smaller than the diameter of the bolt groove 19, namely, the sealing cover 81 can be inserted into the bolt groove 19, and the gap between the inner side wall of the bolt groove 19 and the sealing cover 81 can be filled with accumulated water, so that the design is made, the outer diameter of the sealing baffle 82 is larger than the diameter of the bolt groove 19, namely, the sealing baffle 82 can be blocked by the end surface of the cover body 1 and can not enter the bolt groove 19, after the cover body 1 is installed, the sealing cover 81 is pressed towards the direction in the bolt groove 19 to ensure that the sealing cover 81 is inserted into the bolt groove 19, the air in the sealed lid 81 extrusion bolt groove 19, and integrative sealed separation blade 82 can't enter into bolt groove 19 for the inside negative pressure that forms of bolt groove 19 holds sealed lid 81, simultaneously folding portion 83 takes place to fold and makes the terminal surface of sealed separation blade 82 and lid closely laminate, in order to avoid ponding to enter into bolt groove 19, folding portion 83 is folding simultaneously can be stopped up sealed lid 81 with clearance between the inside wall of bolt groove 19 further avoids ponding from the inside wall of bolt groove 19 and the clearance infiltration between the sealed lid 81, thereby has protected the bolt in the bolt groove 19, can be dismantled with guaranteeing that the liquid level monitor, during the dismantlement, only need extract sealed lid 81 just.
Specifically, the structure of the folded portion 83 is as follows:
folding portion 83 include with sealed lid 81 fixed connection's last folding ring 831, and with sealed separation blade 82 fixed connection's lower folding ring 832, go up folding ring 831 and folding ring 832 down are silica gel material, go up folding ring 831 with folding ring 832 is integrative to be set up and forms crease 833 in the junction down sealed lid 81 inserts behind bolt groove 19, folding ring 832 down with it can encircle to go up folding fold crease 833 is folding for folding ring 832 laminates the inside wall in bolt groove 19 down, go up folding ring 831 laminating sealed lateral wall of lid 81, thereby plug up sealed lid 81 with the clearance between the inside wall of bolt groove 19 further avoids ponding infiltration to bolt groove 19 in, simultaneously, go up the frictional force between folding ring 831 and the sealed lid 81, the frictional force between folding ring 832 and the inside wall of bolt groove 19 down also can form the resistance to opening of 81, avoids the unexpected condition of opening of sealed lid 81. In order to attach the upper folding ring 831 and the lower folding ring 832 after being folded, both the upper folding ring 831 and the lower folding ring 832 may be configured to be truncated cone-shaped, specifically, the width of the longitudinal section of the upper folding ring 831 gradually decreases from top to bottom, and the width of the longitudinal section of the lower folding ring 832 gradually increases from top to bottom, so that the upper folding ring 831 and the lower folding ring 832 can attach to each other when being folded.
It should be noted that when the liquid level monitor needs to be detached and repaired, the inside of the liquid level monitor can be maintained and repaired only after the cover body 1 is detached, but the cover body 1 is generally installed to be flush with the top end surface of the liquid level monitor, so that the liquid level monitor can be detached after the cover body 1 is required to be detached and the cover body 1 is tilted by means of a tool, which is complicated to operate, in order to solve the above problems, it is necessary to design a rotating groove 15 formed in the middle of the upper end surface of the cover body 1, the rotating groove 15 extends downward from the upper end surface of the cover body, a rotating disc 16 is installed in the rotating groove 15, the thickness of the rotating disc 16 is equal to the depth of the rotating groove 15, the rotating disc 16 is connected with the cover body 1 through a lifting rotating part 17, that the rotating disc 16 can lift in the rotating groove 15, and partially protrude the rotating disc 15 in the rotating process of the rotating disc 16, the protruding part can provide an operating space for a worker, and the rotating disc 16 can be grasped and the rotating disc 16 can be pulled out to make the cover body 1 rotate in such a manner that the cover body 1 can be conveniently detached and the cover body 1 can be removed.
In order to realize that the rotating disc 16 is driven to rotate and the rotating disc 16 is lifted in the rotating groove 15, a guide block 18 is arranged at the bottom of the rotating groove 15, the guide block 18 is an arc section, the upper end surface of the guide block 18 is provided with a guide surface 181, the guide surface 181 is obliquely arranged, a guide groove 161 corresponding to the guide block 18 is formed in the bottom end surface of the rotating disc 16, the guide surface 181 is attached to the bottom of the guide groove 161, and when the rotating disc 16 is rotated, the guide groove 161 is attached to the guide surface 181, so that the guide block 18 jacks up the rotating disc 16, namely the rotating disc 16 is lifted and protrudes out of the rotating groove 15. In the present embodiment, the number of the guide blocks 18 is preferably two, which can ensure the force stability of the rotation of the rotary disk 16, and at the same time, in such a way that the length of the single guide block 18 is longer, and the lifting time of the rotary disk 16 is longer, the part of the rotary disk 16 protruding out of the rotary slot 15 is more, and it is easier to apply force to the rotary disk 16 to pull out the cover body 1.
In order to further facilitate the application of force to the rotating disc 16, a through-going opening groove 162 is formed in the rotating disc 16, the opening groove 162 is located outside one long side and one short side of the guide groove 161, that is, the opening groove 162 is composed of an arc-shaped groove and a radial groove, the number of the opening grooves 162 is two, the two opening grooves 162 are centrosymmetric, the cover body 1 is divided by the opening groove 162 to form two opening blocks 163, the number of the opening blocks 163 is also two, the two opening blocks 163 are centrosymmetric, the guide groove 161 is formed in the bottom of the opening block 163, when the rotating disc 16 is rotated, the guide surface 181 slides along the guide groove 161, so that the guide block 18 pushes the opening block 163 to tilt upwards to form a handle, the opening block 163 is manually grasped to facilitate the cover body 1 to be pulled out, and the liquid level monitor is more conveniently disassembled.
In order to further facilitate the application of force to the rotating disc 16, a handrail groove 164 is further formed in the outer side wall of the opening block 163, and in the process of manually grasping the opening block 163, the handrail groove 164 facilitates the grasping of the opening block 163 by the hands of a worker, and meanwhile, the arrangement of the opening groove 162 can also improve the friction force of the hand grasping the opening block 163, so that the cover body 1 can be conveniently pulled out, and the mode of detaching the liquid level monitor is simpler and more convenient.
Specifically, the lifting rotating part 17 is configured such that the lifting rotating part 17 includes a lifting column 171 fixed at the bottom of the rotating groove 15, a lifting limit plate 172 integrally disposed at an end of the lifting column 171, a lifting sleeve 173 fixedly connected to the bottom of the rotating disc 16, a rotating limit plate 174 integrally disposed at an inner side wall of an end of the lifting sleeve 173, and a lifting torsion spring 175 having two ends fixedly connected to the lifting limit plate 172 and the rotating limit plate 174, respectively; the lifting column 171 is adapted to be inserted into the lifting sleeve 173; when the rotating disc 16 is rotated, the rotating disc 16 can rotate around the lifting column 171 through the lifting sleeve 173 and stretch the lifting torsion spring 175, and after the rotation of the rotating disc 16 is released, the lifting torsion spring 175 rebounds to drive the rotating disc 16 to retract into the rotating groove 15, so that the automatic retraction of the rotating disc 16 after the rotating disc 16 is released is realized.
It should be pointed out that, current pre-buried formula liquid level monitor when the installation, directly excavate a pit on earth, put the liquid level monitor in this pit to fix the back in advance to this liquid level monitor, water the terrace again to flushing with the liquid level monitor, such mode has following shortcoming: firstly, an additional set of stabilizing mechanism is required to be prepared for pre-fixing the liquid level monitor, so that the cost is high and the installation is troublesome; and again because whole liquid level monitor is pre-buried in ground, can directly preset a power 32 in the liquid level monitor for long-time use, but power 32 can produce the heat at the power supply in-process, if can not in time discharge the heat, can influence the life of the components and parts in the liquid level monitor, in order to solve above-mentioned problem, need adopt following scheme, a catch basin 22 is seted up to the lower part bottom face of casing 2 outside, this catch basin 22 sets up and compares in traditional liquid level monitor bottom seal's structure, in other words after the bottom is raised in order to be suitable for bottom retaining, in order to cool down the cooling to whole liquid level monitor.
The inner sleeve 3 is provided with a locking ring,
the inner sleeve 3 is connected to the inner side wall of the outer shell 2 in a sliding manner, specifically, the inner sleeve 3 slides along the axial direction of the outer shell 2, the bottom of the inner sleeve 3 is sealed, a step 31 is integrally arranged on the inner side wall of the inner sleeve 3, the step 31 is suitable for accommodating a power supply 32, the step 31 extends upwards from the bottom of the inner sleeve 3 and forms a power supply accommodating cavity 33 in the step 31, the power supply 32 is arranged in the power supply accommodating cavity 33, an insulating plate 34 is arranged on the upper end face of the step 31, a circuit board 35 is arranged between the insulating plate 34 and the liquid level sensor 13, the circuit board 35 is fixed on the inner side wall of the inner sleeve 3, the power supply 32, the circuit board 35 and the liquid level sensor 13 are electrically connected, specifically, a threading hole 341 is formed in the middle of the insulating plate 34 so as to be suitable for the connection of the circuit between the power supply 32 and the circuit board 35; in order to install the insulating plate 34, the insulating plate 34 is fixed on the upper end face of the step 31 through a plurality of bolts, the power supply 32 is limited in the power supply accommodating cavity 33 through the insulating plate 34, and meanwhile, the insulating plate 34 is provided with the vent hole 342, so that heat generated in the power supply accommodating cavity 33 when the power supply 32 works is transferred upwards, and the situation that explosion is caused by overheating in a small closed environment is avoided.
The top rod 4 is arranged on the top of the frame,
this ejector pin 4 rotates and connects the bottom at inner skleeve 3, it is concrete, including the bottom center of sleeve 3 set up a cross-section be "T" type turn trough 36, the adaptation has a cross-section to be "T" type turning block 41 in this turn trough 36, ejector pin 4 is just integrative to be installed in turning block 41 bottom, in order to realize the rotation of ejector pin 4, before the installation of liquid level monitor, the bottom of ejector pin 4 is the bottom face that stretches out shell body 2, and then when installing the liquid level monitor, can make ejector pin 4 promote inner skleeve 3 upwards slip through pressing shell body 2, and ejector pin 4 is pushed away to flushing with the bottom face of shell body 2 at most, and the up end of inner skleeve 3 needs the inner bottom wall with mounting groove 21 this moment, therefore, ejector pin 4 with the length sum of inner skleeve 3 equals the distance between the tank bottom of mounting groove 21 and the bottom of shell body 2, be located the one end of shell body 2 at ejector pin 4 simultaneously and be provided with soil catching portion 5, through the setting of soil catching portion 5, after pressing inner skleeve 3, the bottom face of bottom of outer skleeve 2 again is flushed with the ground level monitor in advance, the ground level of ground is convenient to the fixed.
The soil grabbing part 5 is specifically structured in such a way that a plurality of grabbing rods 51 are arranged at one end of the ejector rod 4 protruding out of the outer shell 2, the number of the grabbing rods 51 can be six, when the number of the grabbing rods is six, the grabbing rods can better stand on the soil compared with four grabbing rods, and when the number of the grabbing rods exceeds six, the stress surface between the grabbing rods 51 and the soil is too large, so that the ascending of the ejector rod 4 when the outer shell 2 is pressed is influenced; each grabbing rod 51 is circumferentially and uniformly distributed on the bottom end face of the ejector rod 4, each grabbing rod 51 is distributed into an umbrella shape, so that the grabbing rods 51 are longitudinally inserted into soil to be pre-fixed, in order to further improve the pre-fixing stability of the monitor, the end parts of the grabbing rods 51 can be provided with clamping jaws 52, the clamping jaws 52 are downwards inclined so that the clamping jaws 52 are transversely inserted into the soil when the ejector rod 4 pushes downwards, and the whole liquid level monitor can obtain a better ground grabbing effect.
The baffle-plates (6) are arranged in the shell,
the baffle 6 is rotatably connected with the outer shell 2, the baffle 6 is positioned at the opening of the water storage tank 22, the baffle 6 is a disc, and the water storage tank 22 can be sealed by the baffle 6, so that water can be stored in the water storage tank 22 and the power supply accommodating cavity 33 can be cooled from the bottom, and the service lives of the circuit board 35 and the liquid level sensor 13 are ensured; this baffle 6 is passed by ejector pin 4, and this baffle 6 and 4 threaded connection of ejector pin, this baffle 6 can take place to rotate when making ejector pin 4 go up and down, and simultaneously, bottom face at baffle 6 is provided with a plurality of portions of bulldozing 7, 7 circumference evenly distributed of each portion of bulldozing, 4 drive baffles 6 rotations of ejector pin 4 lifting in-process ejector pin, baffle 6 rotates and drives each portion of bulldozing 7 and promote outside the lateral wall of the outside casing 2 of the earth of baffle 6 below, with the earth of level monitor bottom of paving, in order to guarantee the stability of standing of level monitor.
The structure of the concrete bulldozing part 7 is as follows, a plurality of convex ridges 71 are arranged on the bottom end surface of the baffle 6, the convex ridges 71 are arc sections, the direction of the convex ridges 71 of the arc faces the rotating direction of the baffle 6 when the ejector rod 4 rises, a bulldozing knife 72 is integrally arranged on the outer side of the convex ridges 71, the cross section of the bulldozing knife 72 is a right-angled triangle, the right-angled side of the short side of the right-angled triangle leans against the convex ridges 71, the right-angled side of the long side is attached to the baffle 6, and the bevel side faces the outer side of the convex ridges 71, so that the baffle 6 is driven to rotate when the ejector rod 4 rises, the bulldozing knife 72 rotates along with the baffle 6 to make the bulldozing knife 72 pull away soil, the convex ridges 71 are designed into arc sections, so that the bulldozing knife 72 is also adapted to the arc sections, the soil can be radially outwardly offset along the bulldozing knife 72, and the bulldozing knife 72 pushes the soil pile flat at the same time; because the soil block can not be piled up in the outside of protruding stupefied 71 after bulldozing sword 72 is set up to the outside of protruding stupefied 71, but the soil block still can be piled up in the inboard of protruding stupefied 71 after crossing bulldozing sword 72, consequently can set up a slope 73 in the inboard of protruding stupefied 71, the cross-section of this slope 73 also is right triangle, but the long limit right-angle side of this right triangle pastes and leans on protruding stupefied 71, the short side right-angle side pastes baffle 6, earth is in proper order through bulldozing sword 72, protruding stupefied 71 and slope 73 after to next bulldozing sword 72, and can not remain on protruding stupefied 71 to the push flat of soil heap.
As a liquid level monitor, the whole of which needs to have a certain sealing requirement, specifically, the liquid level monitor can adopt a structure that an annular sealing groove 23 is formed in the bottom wall of the mounting groove 21, a sealing ring 24 is arranged in the sealing groove 23, the sealing ring 24 protrudes out of the sealing groove 23, after the cover body 1 is mounted, the mandril 4 pushes the inner sleeve 3 to slide upwards so that the sealing ring 24 is abutted against the cover body 1, thereby preventing rainwater from entering the inner sleeve 3 and ensuring the service lives of the liquid level sensor 13, the circuit board 35 and the power supply 32; after the ejector rod 4 rises to the bottom end face and flushes with the bottom end face of shell body 2, the lid body 1 is screwed, the lid body 1 can press the sealing ring 24 to make the sealing ring 24 bend towards the inner sleeve 3, the sealing effect of the lid body 1 and the shell body 2 is further improved, meanwhile, the inner sleeve 3 is pressed, namely, the inner sleeve is pushed by the sealing ring 24, the distance of downward movement of the ejector rod 4 is equal to the thickness of the sealing ring 24, namely, downward pressing of the inner sleeve 3 is realized by the arrangement of the sealing ring 24.
In order to ensure that the sealing ring 24 is bent towards the inner sleeve 3, a pressing ring 14 is fixedly connected to the bottom wall of the cover body 1, the pressing ring 14 is located at a position corresponding to the sealing groove 23, the longitudinal section of the pressing ring 14 is an arc with an opening facing the sealing groove 23, after the sealing ring 24 contacts the pressing ring 14, the sealing ring 24 is bent towards the inner sleeve 3 under the guidance of the pressing ring 14 and extends to the upper side of the inner sleeve 3, and the phenomenon that the sealing ring 24 cannot press the inner sleeve 3 due to bending towards the direction away from the inner sleeve 3 is avoided.
In order to further improve the sealing effect, the sealing ring 24 is composed of two ring bodies, and the surface formed between the two ring bodies is coplanar with the outer side surface of the pressing ring 14, when the inner sleeve 3 is pushed to be flush with the bottom wall of the mounting groove 21 by the ejector rod 4 and then the cover body 1 is mounted, the ring body close to one side of the inner sleeve 3 is firstly contacted with the pressing ring 14, the cover body 1 is continuously mounted so that the ring body close to one side of the inner sleeve 3 is bent to the upper side of the inner sleeve 3 through the guiding of the pressing ring 14, after the ring body far away from one side of the inner sleeve 3 is contacted with the cover body 1, the cover body 1 is continuously mounted so that the ring body far away from one side of the inner sleeve 3 is bent towards the direction far away from the inner sleeve 3, at the time, the ring body far away from one side of the inner sleeve 3 plays a role of one-time sealing effect on the whole liquid level monitor, the ring body near one side of the inner sleeve 3 plays a role of two-time sealing effect on the whole liquid level monitor, and further improves the sealing effect of the whole liquid level monitor. In order to facilitate the bending of the two ring bodies, the ring bodies are arranged in a rounding manner at the positions where the ring bodies are in contact with the pressing ring 14 or in contact with the cover body 1, so that the ring bodies close to one side of the inner sleeve 3 are easier to bend along the pressing ring 14 after being in contact with the pressing ring 14 under the guidance of the rounding manner, and the ring bodies far away from one side of the inner sleeve 3 are easier to bend along the cover body 1 after being in contact with the cover body 1.
In this embodiment, before the installation liquid level monitor, pre-installation in mounting groove 21 during lid 1 to guarantee whole liquid level monitor's wholeness, later when needs are sealed, the fastening bolt that further screws realizes, such mode liquid level monitor's installation is more simple and convenient.
It should be noted that there is still a gap between the cover body 1 and the mounting groove 21, and the accumulated water of waterlogging still permeates inwards along the gap between the side wall of the cover body 1 and the inner side wall of the mounting groove 21, and if the accumulated water is blocked only by two layers of rings, the leakage is caused by excessive accumulated water and excessive pressure or corrosion of the sealing ring 24, in order to solve the above problems, the following scheme needs to be designed, an annular overflow groove 28 is further formed at the bottom of the mounting groove 21, the overflow groove 28 is located at the outer ring of the sealing groove 23, so that the rainwater permeating between the side wall of the cover body 1 and the inner side wall of the mounting groove 21 can be buffered in the overflow groove 28, the overflow groove 28 buffers the rainwater, the rainwater is prevented from directly impacting the sealing ring 24, and the overflow groove 28 stores the rainwater. However, the overflow groove 28 can only play a role when the liquid level monitor is used for the first time, and accumulated water in the overflow groove 28 needs to be led out to ensure the water storage and buffering functions of the overflow groove 28, so that a plurality of cooling grooves 29 are formed in the inner bottom wall of the overflow groove 28, the cooling grooves 29 extend downwards along the outer shell 2 and are communicated into the water storage groove 22, and when rainwater slides in the cooling grooves 29 and passes through the power supply 32, heat transferred to the power supply accommodating cavity 33 by the power supply 32 in the working process can be taken away, so that the environmental temperature of the liquid level sensor 13, the circuit board 35 and the power supply 32 in the working process is ensured, and the situation that the liquid level sensor 13, the circuit board 35 and the power supply 32 are damaged due to overheating is avoided; in order to improve the cooling effect of rainwater in the cooling tank 29 on the power supply accommodating cavity 33, the cooling tank 29 is arranged in a spiral mode, so that the detention time of the rainwater in the cooling tank 29 can be prolonged, namely, the exchange time of the rainwater and heat in the power supply accommodating cavity 33 is prolonged, the cooling effect is improved, meanwhile, when the rainwater flows out of the water storage tank 22 after passing through the cooling tank 29 due to the spiral arrangement of the cooling tank 29, the impact force is large, the accumulated water in the water storage tank 22 forms a vortex to stir the accumulated water in the water storage tank 22, the effect of absorbing heat of the bottom of the power supply accommodating cavity 33 is better due to the accumulated water in the water storage tank 22, the rainwater blocked by the sealing ring 24 is guided into the water storage tank 22, and water storage in the water storage tank 22 is realized.
In order to timely replace the accumulated water in the water storage tank 22 to ensure that the accumulated water in the water storage tank 22 can sufficiently absorb the heat in the power supply accommodating cavity 33, a plurality of water drainage holes 61 are formed in the baffle 6, the water drainage holes 61 are positioned at the positions of the convex ridges 71, the water drainage holes 61 penetrate through the convex ridges 71, plugs 25 are inserted into the water drainage holes 61, a liftable floating block 26 is arranged in the water storage tank 22, specifically, the floating block 26 is sleeved on the rotating block 41, the lifting linearity of the floating block 26 is ensured through the rotating block 41, so that the plugs 25 are aligned to the corresponding water drainage holes 61, the plugs 25 are respectively connected to the bottoms of the floating blocks 26, after the water storage tank 22 is filled with enough accumulated water, the floating block 26 can float to enable the plugs 25 to be separated from the water drainage holes 61, the water drainage holes 61 are filled with water to achieve the water drainage of the water storage tank 22, and meanwhile, the plugs 25 can be inserted into the water drainage holes 61 under the gravity action of the floating block 26 to achieve the plugging of the water storage tank 22 when the accumulated water is little.
In order to realize the sliding of the inner sleeve 3, a plurality of sliding grooves 37 are formed on the outer side wall of the inner sleeve 3, the sliding grooves 37 extend along the axial direction of the inner sleeve 3, the sliding block 27 matched with the sliding grooves 37 is arranged on the inner side wall of the outer shell 2, and the sliding block 27 can slide in the sliding grooves 37 during the lifting and lowering process of the top rod 4 so as to ensure the sliding linearity of the inner sleeve 3.
The working principle is as follows:
digging a soil pit on the soil ground, then building a soil pile in the middle of the bottom of the soil pit, then starting to install the liquid level monitor, at the moment, the ejector rod 4 protrudes out of the bottom end face of the outer shell 2, the upper end face of the inner sleeve 3 is lower than the plane of the bottom of the mounting groove 21, then placing the outer shell 2 in the soil pit, the ejector rod 4 firstly contacts with the top of the soil pile, then pressing the outer shell 2 downwards, so that the ejector rod 4 is pushed by the soil pile to tamp the soil pile, when the ejector rod 4 is pushed, the ejector rod slides upwards and drives the inner sleeve 3 to slide along the sliding groove 37 until the upper end face of the inner sleeve 3 is flush with the bottom wall of the mounting groove 21, the sealing ring 24 can contact with the pressing ring 14, meanwhile, the ejector rod 4 can drive the baffle 6 to rotate and drive the bulldozers knives 72 to push the soil to the outer side wall of the outer shell 2 and to tamp the soil pile, then continuing to tighten the fastening bolts for mounting the cover body 1, so that the pressing ring 14 pushes the inner sleeve 3 to deform and buckle the inner sleeve 4 towards the inner sleeve 3, so that the top of the liquid level monitor is poured back into the ground, and the monitor is poured in advance. When raining, rainwater can infiltrate into the overflow groove 28 along the gap between the cover body 1 and the inner side wall of the mounting groove 21, rainwater in the overflow groove 28 can be stored in the water storage groove 22 through the cooling groove 29, meanwhile, heat inside the power supply accommodating cavity 33 can be taken away when the rainwater flows in the cooling groove 29, and after the floating block 26 is floated by accumulated water in the water storage groove 22, the plug 25 is separated from the drain hole 61, so that the accumulated water in the water storage groove 22 can be drained.
Example two
On the basis of the first embodiment, the second embodiment further provides a pre-burying method for a pre-buried liquid level monitor, which is specifically described in the first embodiment for the pre-buried liquid level monitor, and will not be described herein again,
digging a soil ground to form a soil pit, and stacking a soil pile in the middle of the bottom of the pit;
placing the outer shell 2 in the soil pit so that the ejector rod 4 is in contact with the top of the soil pile;
pressing the outer shell 2 to enable the mandril 4 to push the inner sleeve 3 upwards to be flush with the inner bottom wall of the mounting groove 21;
the baffle 6 rotates to drive each soil pushing part 7 to push away soil;
the cover body 1 is arranged in the mounting groove 21, and the cover body 1 presses the inner sleeve 3 to enable the ejector rod 4 to protrude out of the inner bottom wall of the outer shell 2;
the push rod 4 rotates reversely to drive each soil grabbing part 5 to grab the ground.
In light of the foregoing description of the preferred embodiment of the present invention, it is intended that the present invention cover modifications and variations of this invention provided they fall within the scope of the following claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a pre-buried formula liquid level monitor convenient to dismantle which characterized in that includes:
the liquid level sensor comprises a cover body, a liquid level sensor and a liquid level sensor, wherein the cover body is suitable for mounting the liquid level sensor, a plurality of bolt grooves are formed in the upper end face of the cover body, and sealing structures are arranged at openings of the bolt grooves;
the top of the outer shell is provided with an installation groove suitable for installing the cover body,
the inner sleeve is connected to the inner side wall of the outer shell in a sliding mode, a circuit board is installed on the inner side wall of the inner sleeve, the bottom of the inner sleeve is sealed, a step is integrally arranged on the inner side wall of the inner sleeve, an insulating plate is installed on the step, the step is suitable for containing a power supply, and the power supply, the circuit board and the liquid level sensor are electrically connected; wherein
After the bolt passes through the bolt groove to fix the cover body and the outer shell body, the opening of the bolt groove can be blocked by the sealing structure.
2. The detachable embedded liquid level monitor as claimed in claim 1,
the sealing structure comprises a sealing cover, a sealing separation blade and a folding part connected with the sealing cover and the sealing separation blade, the outer diameter of the sealing cover is smaller than the diameter of the bolt groove, the outer diameter of the sealing separation blade is larger than the diameter of the bolt groove, and the sealing structure comprises a sealing cover, a sealing separation blade and a folding part connected with the sealing cover and the sealing separation blade, wherein
The sealing cover is pressed until the sealing cover is inserted into the bolt groove, and the folding part can block a gap between the sealing cover and the inner side wall of the bolt groove.
3. The pre-buried liquid level monitor convenient to disassemble as claimed in claim 2,
the folding portion comprises an upper folding ring fixedly connected with the sealing cover and a lower folding ring fixedly connected with the sealing blocking piece, the upper folding ring is integrally arranged with the lower folding ring and forms creases at the joint, wherein
After the sealing cover is inserted into the bolt groove, the lower folding ring and the upper folding ring are folded around the crease mark to block a gap between the sealing cover and the inner side wall of the bolt groove.
4. The pre-buried liquid level monitor convenient to disassemble as claimed in claim 3,
the size of the longitudinal section of the upper folding ring is gradually reduced from top to bottom, and the size of the longitudinal section of the lower folding ring is gradually increased from top to bottom.
5. The pre-buried liquid level monitor convenient to disassemble as claimed in claim 4,
the pre-buried liquid level monitor further comprises:
the ejector rod is rotatably connected to the bottom of the inner sleeve and can extend out of the bottom end face of the outer shell, the sum of the lengths of the ejector rod and the inner sleeve is equal to the distance between the bottom of the mounting groove and the bottom of the outer shell, and a soil grabbing part is arranged at one end, protruding out of the outer shell, of the ejector rod;
the baffle is rotatably connected with the outer shell and positioned at the opening of the water storage tank, the baffle is penetrated by the ejector rod and is in threaded connection with the ejector rod, a plurality of soil pushing parts are arranged on the bottom end surface of the baffle, and the soil pushing parts are uniformly distributed in the circumferential direction; wherein
Pressing the outer shell to the earth ground to enable the ejector rod to push the upper end face of the inner sleeve to slide to be flush with the groove bottom of the mounting groove, and enabling the ejector rod to rotate in the forward direction to drive each soil pushing part to push away earth through the baffle;
after the cover body is installed, the inner sleeve is pressed, and the ejector rod rotates reversely to drive each soil grabbing part to grab the ground.
6. The pre-buried liquid level monitor convenient to disassemble as claimed in claim 5,
the bulldozing part comprises a convex edge fixed on the end surface of the baffle and a bulldozing knife fixed on the side wall of the convex edge, the convex edge is arc-shaped, the bulldozing knife is positioned on the outer side of the convex edge, the longitudinal section area of the bulldozing knife is gradually reduced from one end close to the baffle to the other end far away from the baffle, and
the inner side of the convex edge is provided with a slope, wherein
When the ejector rod is linked with the baffle to rotate in the forward direction, the bulldozer can push away soil and sequentially pass through the convex edges and the slope.
7. The pre-buried liquid level monitor convenient to disassemble as claimed in claim 6,
the soil grabbing part comprises a plurality of grabbing rods fixed at one end of the outer shell body, the jacking rods protrude out of the outer shell body, the grabbing rods are uniformly distributed in the circumferential direction and are umbrella-shaped, and
the end part of the grabbing rod is fixedly connected with a downward inclined claw which extends towards the inner side of the convex edge; wherein
The ejector rod rotates reversely to drive each clamping jaw to be inserted into the earth ground.
8. The pre-buried liquid level monitor convenient to disassemble as claimed in claim 7,
the bottom wall of the mounting groove is provided with an annular sealing groove, a sealing ring is arranged in the sealing groove,
the sealing ring can protrude out of the upper end surface of the inner sleeve;
the diapire fixedly connected with of lid presses the clamping ring, press the clamping ring be located with on the corresponding position of seal groove, wherein
And during the installation of the cover body, the pressing ring can guide and bend the sealing ring towards the inner sleeve.
9. The detachable embedded liquid level monitor of claim 8,
the bottom of the mounting groove is also provided with an annular overflow groove, a plurality of cooling grooves are arranged in the overflow groove, the cooling grooves are communicated with the water storage groove and are spirally arranged, wherein
Accumulated water seeping into the overflow groove from the position between the cover body and the mounting groove can be spirally flushed out of the cooling groove into the water storage groove;
a plurality of drain holes are arranged through the baffle plate and the convex edge, the drain holes are provided with plugs, the plugs are respectively fixed at the bottoms of the floating blocks, wherein
After the accumulated water flows into the water storage tank, the floating block can drive each plug to be separated from the drain hole.
10. A pre-burying method of a pre-buried liquid level monitor convenient to disassemble, which is characterized by comprising the pre-buried liquid level monitor convenient to disassemble as claimed in claim 9,
digging a soil ground and forming a soil pit, and piling a soil pile in the middle of the bottom of the pit;
placing the outer shell in the soil pit, and enabling the ejector rod to be in contact with the top of the soil pile;
pressing the outer shell to enable the ejector rod to push the inner sleeve upwards to be flush with the inner bottom wall of the mounting groove;
the baffle rotates to drive each soil pushing part to push away soil;
the cover body is arranged in the mounting groove, and the cover body presses the inner sleeve to enable the ejector rod to protrude out of the inner bottom wall of the outer shell;
the ejector rod rotates reversely to drive each soil grabbing part to tightly grab the ground.
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| CN202110305043.0A CN115183844B (en) | 2021-03-23 | 2021-03-23 | Pre-buried liquid level monitor convenient to detach and pre-buried method |
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| CN202110305043.0A CN115183844B (en) | 2021-03-23 | 2021-03-23 | Pre-buried liquid level monitor convenient to detach and pre-buried method |
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| CN115183844B CN115183844B (en) | 2024-01-26 |
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| CN112113537A (en) * | 2020-09-23 | 2020-12-22 | 林建金 | Pre-buried formula ground settlement monitoring device |
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| JPH11125524A (en) * | 1997-10-22 | 1999-05-11 | East Japan Railway Co | Swinging type scouring monitor and method for burying the same |
| CN101299017A (en) * | 2008-06-19 | 2008-11-05 | 上海交通大学 | Built-in type reinforcing steel corrosion rate monitoring instrument |
| CN205593781U (en) * | 2016-03-23 | 2016-09-21 | 洪瑞玉 | Agricultural experiment is with device that fetches earth |
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Effective date of registration: 20240130 Address after: 518000, Comprehensive Building 301, Tongzhou Electronics Longgang Factory Area, No. 1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen jiajiayan Technology Co.,Ltd. Country or region after: China Address before: 213000 8th Floor, Block B, Tianrun Science and Technology Building, 801 Changwuzhong Road, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU JIANGSU UNIVERSITY ENGINEERING TECHNOLOGY Research Institute Country or region before: China |
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