CN113790780A - Sensor hanger for monitoring liquid level of water collecting well and using method thereof - Google Patents

Sensor hanger for monitoring liquid level of water collecting well and using method thereof Download PDF

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Publication number
CN113790780A
CN113790780A CN202110920753.4A CN202110920753A CN113790780A CN 113790780 A CN113790780 A CN 113790780A CN 202110920753 A CN202110920753 A CN 202110920753A CN 113790780 A CN113790780 A CN 113790780A
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CN
China
Prior art keywords
mounting ring
water level
upper mounting
fixed pulley
collecting well
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Pending
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CN202110920753.4A
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Chinese (zh)
Inventor
杨刚
张其俊
刘松柏
王宏
皮萃
罗崇洋
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China Yangtze Power Co Ltd
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China Yangtze Power Co Ltd
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Application filed by China Yangtze Power Co Ltd filed Critical China Yangtze Power Co Ltd
Priority to CN202110920753.4A priority Critical patent/CN113790780A/en
Publication of CN113790780A publication Critical patent/CN113790780A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating 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 floats
    • G01F23/64Indicating 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 floats of the free float type without mechanical transmission elements

Abstract

A sensor hanger for monitoring the liquid level of a water collecting well and a using method thereof comprise a pulley support frame and an upper mounting ring hanger, wherein the pulley support frame comprises an upper mounting ring and a lower mounting ring, a plurality of upper mounting ring fixed pulleys are arranged on the upper mounting ring, and a plurality of lower mounting ring fixed pulleys are arranged on the lower mounting ring; a lower mounting ring fixed pulley is correspondingly arranged below each upper mounting ring fixed pulley, and the upper mounting ring fixed pulley and the lower mounting ring fixed pulley are driven by a fixed pulley traction line; the fixed pulley traction line is used for installing a float switch or/and a drop-in type water level gauge; the upper mounting ring is fixed at the top of the water collecting well through an upper mounting ring hanger, the upper mounting ring hanger comprises an annular support, a plurality of support rods are rotatably arranged on the annular support, and the support rods are used for fixing the annular support at the inner wall of the water collecting well. The invention realizes convenient adjustment of the installation positions of the water level gauge and the float switch and has the functions of quick installation and quick disassembly.

Description

Sensor hanger for monitoring liquid level of water collecting well and using method thereof
Technical Field
The invention belongs to the field of fixed supports, and particularly relates to a sensor hanger for monitoring the liquid level of a water collecting well and a using method thereof.
Background
Under the influence of water level water pressure, certain leakage exists in the dam body and the interior of the mountain body connected with the dam body and is converged into a subsurface flow, a leakage water collecting well is usually established in engineering for centralized treatment in order to solve the leakage water and the subsurface flow in the mountain body, a dam leakage drainage system collects water collecting well water level analog quantity and switching value signals, and the starting/stopping of a drainage pump is controlled by combining the well depth and the height of the water collecting well, so that the automatic control of the water level of the dam leakage water collecting well is realized. At present, a drop-in type water level gauge is generally adopted as a water collecting well water level analog quantity signal, a float switch is generally adopted as switching quantity signals of an overhigh water level, a high water level, a middle water level, a low water level and the like, and most of water level gauges and float switch sensors are bundled together and a gravity cone is added at the tail part in order to prevent the influence of water flow fluctuation of a water collecting well on the water level gauges and the float switch measurement in the running process of a drainage pump; when the water level meter and the float switch need to be adjusted in installation position or have faults, the water level meter and the float switch can only be pulled out together (for example, Chinese patent document CN 206075158U), at the moment, the water level analog quantity and the switching value signal of the drainage system are all distorted, the drainage pump cannot be started/stopped normally, the risk of overflow of the water collecting well due to the out-of-limit water level exists, after the fault is processed, the water level meter and the float switch are tied up again and then placed in the water collecting well, the placement position of the water level meter and the float switch may be changed, and the water level control of the water collecting well is not influenced.
Disclosure of Invention
In view of the technical problems in the background art, the sensor hanger for monitoring the liquid level of the water collecting well and the use method thereof provided by the invention realize convenient adjustment of the installation positions of the water level gauge and the float switch. When the water level gauge or the float switch breaks down and needs to be processed, an operator can pull out the fault sensor through the mounting bracket independently without influencing the normal operation of other sensors, and after the fault processing is finished, the sensor is placed in the original position of the water collecting well again through the mounting bracket, so that the potential safety hazard of all distortion of analog quantity or switching value signals of a drainage system is eliminated, and the operation simplicity and convenience in the fault processing process are improved.
In order to solve the technical problems, the invention adopts the following technical scheme to realize:
a sensor hanger for monitoring the liquid level of a water collecting well comprises a pulley support frame and an upper mounting ring hanger, wherein the pulley support frame comprises an upper mounting ring and a lower mounting ring, a plurality of upper mounting ring fixed pulleys are arranged on the upper mounting ring, and a plurality of lower mounting ring fixed pulleys are arranged on the lower mounting ring; a lower mounting ring fixed pulley is correspondingly arranged below each upper mounting ring fixed pulley, and the upper mounting ring fixed pulley and the lower mounting ring fixed pulley are driven by a fixed pulley traction line; the fixed pulley traction line is used for installing a float switch or/and a drop-in type water level gauge; the upper mounting ring is fixed at the top of the water collecting well through an upper mounting ring hanger, the upper mounting ring hanger comprises an annular support, a plurality of support rods are rotatably arranged on the annular support, and the support rods are used for fixing the annular support at the inner wall of the water collecting well.
In the preferred scheme, the lower mounting ring is provided with a gravity cone fixing line, and the gravity cone fixing line is provided with a gravity cone.
In an optimized scheme, the float switch comprises a high-water-level float switch, a middle-water-level float switch and a low-water-level float switch, and the high-water-level float switch, the middle-water-level float switch and the low-water-level float switch are respectively arranged in an upper part, a middle part and a lower part in the water collecting well.
In a preferable scheme, the floating ball switch further comprises an overhigh water level floating ball switch.
In a preferred scheme, the upper mounting ring hanger further comprises a push rod, and the push rod is used for driving the support rod to rotate.
In a preferred scheme, the annular support comprises an inner ring and an outer ring, the inner ring is connected with the outer ring through a connecting rod, the inner ring is provided with an internal thread, the upper part of the push rod is provided with a first external thread, and the first external thread is in threaded fit with the inner ring to lock the position of the stay bar; the bottom of the push rod is rotationally connected with the rotating ring, and the rotating ring is hinged with one end of the support rod; the top of the push rod is provided with a handle.
In a preferable scheme, the middle part of the stay bar is hinged with the outer ring, and the other end of the stay bar is detachably provided with an elastic sheet.
In a preferable scheme, the lower part of the push rod is provided with a second external thread which is used for being matched with the internal ring thread; the outer ring is provided with a plurality of lifting holes.
In a preferred scheme, a traction line locking device is arranged on the upper mounting ring fixed pulley; the traction line locking device comprises a first rod connected with a shaft sleeve of the upper mounting ring fixed pulley, and the first rod and the second rod are coaxially and rotatably connected; the top of the second rod is hinged with the pressing block, and a torsion spring is arranged between the second rod and the pressing block; the pressing block is used for pressing the fixed pulley traction wire.
In a preferred scheme, the use method of the sensor hanger for monitoring the liquid level of the water collecting well comprises the following steps:
s1: the upper mounting ring is connected with the outer ring of the upper mounting ring hanger by using a lifting rope or a lifting hook, and the fixed pulley of the upper mounting ring is connected with the fixed pulley of the lower mounting ring by using a fixed pulley traction line; installing a gravity cone and enabling the gravity cone to be located on a central vertical line of the whole device;
s2: the pulley support frame is lowered into the water collecting well, when the pulley support frame is in place, the push rod is pushed downwards to enable one end of the elastic piece of the support rod to rotate upwards, and when the elastic piece is in contact with the inner wall of the water collecting well, the first external thread is just in contact with the internal thread of the inner ring;
s3: the first external threads are matched with the internal ring threads to enable the support rods to continue to move downwards, the elastic sheets start to extrude the inner wall of the water collecting well, and the support rods expand outwards and form extrusion with the inner wall of the water collecting well, so that the upper mounting ring hanger is fixed;
s4: adjusting the traction line of the fixed pulley so as to adjust the positions of the drop-in type water level gauge, the over-high water level float switch, the middle water level float switch or the low water level float switch;
s5: when the throwing type water level gauge, the over-high water level float switch, the middle water level float switch or the low water level float switch needs to be independently adjusted, the fixed pulley traction line is pulled, and the positions of the throwing type water level gauge, the over-high water level float switch, the middle water level float switch or the low water level float switch are adjusted;
s6: when the whole device needs to be disassembled, the pushing rod is rotated to enable the pushing rod to move upwards, when the first external thread is separated from the inner ring, the pushing rod is pulled upwards, and the pulley support frame and the upper mounting ring hanger are integrally taken out; after the lifting rope or the lifting hook is disassembled, the second external threads are connected with the internal ring threads, and the plurality of support rods are retracted and locked.
This patent can reach following beneficial effect:
1. because the mounting bracket adopts the fixed pulley, the mounting positions of a certain water level gauge and the float switch can be adjusted quickly, conveniently and laborsavingly, the whole water level gauge and the float switch are not required to be adjusted after being pulled out, and the defect that the water level gauge and the float switch are bound together is overcome.
2. When the water level gauge of the water collecting well or the float switch has a fault, the fault sensor can be pulled out independently through the fixed pulley of the mounting bracket, and the normal operation of other sensors is not influenced; after the fault sensor is processed, the sensor is placed into the water collecting well through the fixed pulley, the mounting position of the sensor can be basically kept unchanged, and the accurate control of the water level of the water collecting well by a drainage system is not influenced.
3. The water collecting well water level gauge and the float switch mounting bracket eliminate the potential safety hazard of all distortion of analog quantity or switching value signals of a drainage system, and improve the operation simplicity in the fault treatment process.
4. The pulley support frame is fixed in the water collecting well by using the upper mounting ring hanger as the hanger, and the whole device can be conveniently disassembled. In addition, the first external thread and the second external thread are designed in a segmented mode, and when the push rod is not in threaded connection with the inner ring, the angle of the support rod can be rapidly changed by pushing the push rod. When the support rod needs to be locked at an angle and fixed with the water collecting well, the threads can play a labor-saving role and can also play a locking role.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a view showing the effect of the installation of the present invention;
FIG. 2 is an effect view of the pulley support of the present invention;
FIG. 3 is a three-dimensional block diagram of the upper mounting ring hanger of the present invention;
FIG. 4 is a front view of the upper mounting ring hanger of the present invention;
FIG. 5 is a first view illustrating the use of the traction wire locking device of the present invention;
FIG. 6 is a second view illustrating the use of the traction wire locking device of the present invention;
FIG. 7 is a third view illustrating the effect of the traction wire locking device according to the present invention;
FIG. 8 is a fourth view illustrating the effect of the traction wire locking device according to the present invention;
FIG. 9 is a schematic view of a second construction of the traction wire locking device of the present invention;
fig. 10 is a schematic view of a third construction of the traction wire locking device of the present invention.
In the figure: the device comprises an upper mounting ring 1, a lower mounting ring 2, an upper mounting ring fixed pulley 3, a shaft sleeve 31, a fixed pulley traction line 4, a lower mounting ring fixed pulley 5, a gravity cone fixing line 6, a gravity cone 7, a drop-in type water level gauge 8, an over-high water level float switch 9, a water level float switch 10, a medium water level float switch 11, a low water level float switch 12, a water collecting well 13, an inverted U-shaped support 14, a fixing bolt 15, a pressure plate 16, an L-shaped support 17, an upper mounting ring hanger 18, an annular support 19, an inner ring 19.1, an outer ring 19.2, a support rod 20, a push rod 21, a first external thread 22, a rotating ring 23, an elastic sheet 24, a first rod 25, a second rod 26, a pressure block 27, a lifting hole 28 and a second external thread 29.
Detailed Description
The preferable scheme is as shown in figures 1 to 8, the sensor hanging bracket for monitoring the liquid level of the water collecting well and the using method thereof comprise a pulley supporting frame and an upper mounting ring hanging bracket 18, wherein the pulley supporting frame comprises an upper mounting ring 1 and a lower mounting ring 2, a plurality of upper mounting ring fixed pulleys 3 are arranged on the upper mounting ring 1, and a plurality of lower mounting ring fixed pulleys 5 are arranged on the lower mounting ring 2; a lower mounting ring fixed pulley 5 is correspondingly arranged below each upper mounting ring fixed pulley 3, and the upper mounting ring fixed pulley 3 and the lower mounting ring fixed pulley 5 are driven by a fixed pulley traction line 4; the fixed pulley traction line 4 is used for installing a float switch or/and a drop-in type water level gauge 8; the upper mounting ring 1 is fixed on the top of the water collecting well 13 through an upper mounting ring hanger 18, the upper mounting ring hanger 18 comprises an annular support 19, a plurality of support rods 20 are rotatably arranged on the annular support 19, and the support rods 20 are used for fixing the annular support 19 on the inner wall of the water collecting well 13.
The pulley support frame comprises an upper mounting ring 1, a lower mounting ring 2, an upper mounting ring fixed pulley 3, a shaft sleeve 31, a fixed pulley traction line 4, a lower mounting ring fixed pulley 5, a gravity cone fixing line 6 and a gravity cone 7.
The upper mounting ring hanger 18 comprises an annular support 19, an inner ring 19.1, an outer ring 19.2, a support rod 20, a push rod 21, a first external thread 22, a rotating ring 23, an elastic sheet 24, a hanging hole 28 and a second external thread 29.
As shown in fig. 1-2, the number of the upper mounting ring fixed pulleys 3 on the upper mounting ring 1 is preferably 5, and the 5 upper mounting ring fixed pulleys 3 are uniformly distributed, the lower mounting ring fixed pulleys 5 on the lower mounting ring 2 are in one-to-one correspondence with the upper mounting ring fixed pulleys 3, the lower mounting ring fixed pulleys 5 are connected with the upper mounting ring fixed pulleys 3 through fixed pulley traction lines 4, the lower mounting ring 2 is supported through fixed pulley traction lines 4, the pulley traction lines 4 are always vertical due to the self-weight of the lower mounting ring 2, and the pulley traction lines 4 are not easy to be separated from the upper mounting ring fixed pulleys 3 or the lower mounting ring fixed pulleys 5. When a single float switch or a single throw-in type water level gauge 8 needs to be checked, the pull wire 4 of the pulley is pulled to lift the float switch or the throw-in type water level gauge 8 out.
Furthermore, a gravity cone fixing line 6 is arranged on the lower mounting ring 2, and a gravity cone 7 is arranged on the gravity cone fixing line 6. The gravity cone 7 is used for guaranteeing the verticality of the mounting bracket. The hanging points of the gravity cones 7 are at least three, and the gravity cones 7 are positioned on the central vertical line of the whole device.
Further, the float switch includes a high water level float switch 10, a middle water level float switch 11 and a low water level float switch 12, and the high water level float switch 10, the middle water level float switch 11 and the low water level float switch 12 are respectively arranged in an upper part, a middle part and a lower part of the water collecting well 13.
Further, the float switch also comprises an overhigh water level float switch 9.
The over-high water level float switch 9 is fixed on the fixed pulley traction line 4 and used for alarming the over-high water level of the water collecting well, and the installation position of the over-high water level float switch can be adjusted according to the use requirement.
The high water level float switch 10 is fixed on the fixed pulley traction line 4 and used for high water level alarm of the water collecting well, and the installation position of the high water level float switch can be adjusted according to use requirements.
The middle water level float switch 11 is fixed on the fixed pulley traction line 4 and used for starting the drainage pump by the middle water level in the water collecting well, and the installation position of the middle water level float switch can be adjusted according to the use requirement.
The low water level float switch 12 is fixed on the fixed pulley traction line 4 and is used for stopping the drainage pump at the low water level of the water collecting well, and the installation position of the low water level float switch can be adjusted according to the use requirement.
The input type water level gauge 8 is used for measuring and feeding back the actual water level of the water collecting well, and the installation position of the input type water level gauge can be adjusted according to the use requirement.
Preferably, the fixed pulley traction line 4 is marked by a marking pen or a painting pen in a scale manner, so that an operator can conveniently adjust the position height of the float switch and the drop-in type water level gauge 8.
Further, the upper mounting ring 1 is fixed on the top of the sump 13 by an upper mounting ring hanger or a lifting rope. The upper mounting ring 1 is generally fixedly placed at a plane measuring hole on the water collecting well.
The upper mounting ring hanger 18 further comprises a push rod 21, the push rod 21 being used to drive the rotation of the stay 20. The annular support 19 comprises an inner ring 19.1 and an outer ring 19.2, the inner ring 19.1 is connected with the outer ring 19.2 through a connecting rod, the inner ring 19.1 is provided with inner threads, the upper part of the push rod 21 is provided with first outer threads 22, and the first outer threads 22 are in threaded fit with the inner ring 19.1 and used for locking the position of the stay bar 20; the bottom of the push rod 21 is rotationally connected with a rotating ring 23, and the rotating ring 23 is hinged with one end of the support rod 20; the top of the push rod 21 is provided with a handle. The middle part of the stay bar 20 is hinged with the outer ring 19.2, and the other end of the stay bar 20 is detachably provided with an elastic piece 24. The lower part of the push rod 21 is provided with a second external thread 29, and the second external thread 29 is used for being in threaded fit with the inner ring 19.1; the outer ring 19.2 is provided with a plurality of lifting holes 28.
The first external thread 22 and the second external thread 29 are designed in segments for the purpose of: when the push rod 21 is not screwed to the inner ring 19.1, pushing the push rod 21 can quickly change the angle of the stay 20. The threads can be labor saving and also locking when it is desired to angle and fix the stay 20 to the sump well 13.
Furthermore, a traction line locking device is arranged on the fixed pulley 3 of the upper mounting ring. The structure of the traction wire locking device comprises the following three structures:
as shown in fig. 5 to 8, the traction wire locking device comprises a first rod 25 connected to a bushing 31 of the upper mounting ring fixed pulley 3, the first rod 25 being coaxially and rotatably connected to a second rod 26; the top of the second rod 26 is hinged with the pressing block 27, and a torsion spring is arranged between the second rod 26 and the pressing block 27; the pressing block 27 is used for pressing the fixed pulley traction wire 4. When the fixed pulley traction wire 4 is installed, the pressing piece 27 is broken upward, and the pressing piece 27 is rotated to face the other side. When the fixed pulley traction line 4 needs to be locked, the pressing block 27 is rotated to be above the fixed pulley traction line 4, the pressing block 27 is loosened, and the fixed pulley traction line 4 is pressed tightly by means of the pressure of the torsion spring.
As shown in fig. 9, the device comprises an inverted U-shaped bracket 14 connected with a shaft sleeve 31 of the upper mounting ring fixed pulley 3, a fixing bolt 15 is connected with the inverted U-shaped bracket 14 in a threaded manner, a pressing plate 16 is connected with the bottom of the fixing bolt 15, and the pressing plate 16 is used for pressing the fixed pulley traction line 4.
As shown in fig. 10, the device comprises an L-shaped bracket 17 connected with a shaft sleeve 31 of the upper mounting ring fixed pulley 3, a fixing bolt 15 is connected with the L-shaped bracket 17 through a thread, a pressing plate 16 is connected with the bottom of the fixing bolt 15, and the pressing plate 16 is used for pressing the fixed pulley traction wire 4.
Preferably, the use method of the sensor hanger for monitoring the liquid level of the water collecting well comprises the following steps:
s1: the upper mounting ring 1 is connected with an outer ring 19.2 of an upper mounting ring hanger 18 by a lifting rope or a lifting hook, and an upper mounting ring fixed pulley 3 is connected with a lower mounting ring fixed pulley 5 by a fixed pulley traction wire 4; installing a gravity cone 7 and enabling the gravity cone 7 to be located on the central vertical line of the whole device;
s2: the pulley support frame is lowered into the water collecting well 13, when the pulley support frame is in place, the push rod 21 is pushed downwards to enable one end of the elastic piece 24 of the support rod 20 to rotate upwards, and when the elastic piece 24 is in contact with the inner wall of the water collecting well 13, the first external thread 22 is just in contact with the internal thread of the inner ring 19.1;
s3: rotating the support rods 20, wherein the first external threads 22 are in threaded fit with the inner ring 19.1 for continuously moving the support rods 20 downwards, the elastic sheets 24 begin to press the inner wall of the water collecting well 13, and the plurality of support rods 20 expand outwards and form a press with the inner wall of the water collecting well 13, so that the upper mounting ring hanger 18 is fixed;
s4: the traction line 4 of the fixed pulley is adjusted so as to adjust the positions of a drop-in type water level gauge 8, an over-high water level float switch 9, a water level float switch 10, a middle water level float switch 11 or a low water level float switch 12;
s5: when the throwing type water level meter 8, the over-high water level float switch 9, the water level float switch 10, the middle water level float switch 11 or the low water level float switch 12 need to be independently adjusted, the fixed pulley traction line 4 is pulled, and the positions of the throwing type water level meter 8, the over-high water level float switch 9, the water level float switch 10, the middle water level float switch 11 or the low water level float switch 12 are adjusted;
s6: when the whole device needs to be disassembled, the push rod 21 is rotated to enable the push rod 21 to move upwards, and when the first external thread 22 is separated from the inner ring 19.1, the push rod 21 is pulled upwards, and the pulley support frame and the upper mounting ring hanger 18 are integrally taken out; after the lifting rope or the lifting hook is detached, the second external threads 29 are connected with the internal rings 19.1 in a threaded mode, and the plurality of support rods 20 are retracted and locked.
The working principle is as follows:
when the device is used, the whole mounting bracket is placed into the water collecting well from the upper plane of the water collecting well, and the upper mounting ring 1 is fixedly placed at the position of a plane measuring hole in the water collecting well.
According to actual work needs, a throwing type water level gauge 8, an overhigh water level floating ball switch 9, a high water level floating ball switch 10, a middle water level floating ball switch 11 and a low water level floating ball switch 12 are sequentially placed into a water collecting well through a fixed pulley traction line 4, and the installation positions of the water level gauge and the floating ball switch can be independently adjusted through the fixed pulley traction line 4.
When the drop-in type water level gauge or the float switch has a fault, the upper mounting ring fixed pulley 3 of the corresponding sensor is found firstly, a position mark is made on the fixed pulley traction line 4 beside the sensor, then the fault sensor is pulled out independently through the fixed pulley traction line 4, and finally the fault sensor is placed into the water collecting well through the fixed pulley traction line 4 according to the position mark after being processed, and the mounting position of the sensor after the fault processing is basically at the original position, so that the monitoring of the water level of the water collecting well and the starting/stopping of the drainage pump are not influenced.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims (10)

1. The utility model provides a sump pit is sensor gallows for liquid level monitoring which characterized in that: the pulley support frame comprises an upper mounting ring (1) and a lower mounting ring (2), wherein a plurality of upper mounting ring fixed pulleys (3) are arranged on the upper mounting ring (1), and a plurality of lower mounting ring fixed pulleys (5) are arranged on the lower mounting ring (2); a lower mounting ring fixed pulley (5) is correspondingly arranged below each upper mounting ring fixed pulley (3), and the upper mounting ring fixed pulley (3) and the lower mounting ring fixed pulley (5) are driven by a fixed pulley traction line (4); the fixed pulley traction line (4) is used for installing a float switch or/and a drop-in type water level gauge (8); go up collar (1) and fix at sump pit (13) top through last collar hanger (18), go up collar hanger (18) and include annular support (19), rotatable being equipped with many vaulting poles (20) on annular support (19), vaulting pole (20) are used for fixing annular support (19) in sump pit (13) inner wall department.
2. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 1, wherein: a gravity cone fixing line (6) is arranged on the lower mounting ring (2), and a gravity cone (7) is arranged on the gravity cone fixing line (6).
3. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 1, wherein: the float switch comprises a high-water-level float switch (10), a middle-water-level float switch (11) and a low-water-level float switch (12), and the high-water-level float switch (10), the middle-water-level float switch (11) and the low-water-level float switch (12) are respectively arranged in an upper part, a middle part and a lower part in the water collecting well (13).
4. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 3, wherein: the float switch also comprises an over-high water level float switch (9).
5. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 1, wherein: the upper mounting ring hanger (18) further comprises a push rod (21), and the push rod (21) is used for driving the support rod (20) to rotate.
6. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 5, wherein: the annular support (19) comprises an inner ring (19.1) and an outer ring (19.2), the inner ring (19.1) is connected with the outer ring (19.2) through a connecting rod, the inner ring (19.1) is provided with an internal thread, the upper part of the push rod (21) is provided with a first external thread (22), and the first external thread (22) is in threaded fit with the inner ring (19.1) and used for locking the position of the support rod (20); the bottom of the push rod (21) is rotationally connected with a rotating ring (23), and the rotating ring (23) is hinged with one end of the support rod (20); the top of the push rod (21) is provided with a handle.
7. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 6, wherein: the middle part of the stay bar (20) is hinged with the outer ring (19.2), and the other end of the stay bar (20) is detachably provided with an elastic sheet (24).
8. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 6, wherein: the lower part of the push rod (21) is provided with a second external thread (29), and the second external thread (29) is used for being in threaded fit with the inner ring (19.1); the outer ring (19.2) is provided with a plurality of lifting holes (28).
9. The sensor hanger for monitoring the liquid level in the water collecting well according to claim 1, wherein: a traction line locking device is arranged on the upper mounting ring fixed pulley (3); the traction line locking device comprises a first rod (25) connected with a shaft sleeve (31) of the upper mounting ring fixed pulley (3), and the first rod (25) is coaxial and rotationally connected with a second rod (26); the top of the second rod (26) is hinged with the pressing block (27), and a torsion spring is arranged between the second rod (26) and the pressing block (27); the pressing block (27) is used for pressing the fixed pulley traction wire (4).
10. Use of a sensor hanger for monitoring the level of a water collection well according to any of claims 1 to 9, characterized in that it comprises the following steps:
s1: the upper mounting ring (1) is connected with an outer ring (19.2) of an upper mounting ring hanger (18) by a lifting rope or a lifting hook, and an upper mounting ring fixed pulley (3) is connected with a lower mounting ring fixed pulley (5) by a fixed pulley traction wire (4); installing a gravity cone (7) and enabling the gravity cone (7) to be located on the central vertical line of the whole device;
s2: the pulley support frame is lowered into the water collecting well (13), when the pulley support frame is in place, the push rod (21) is pushed downwards to enable one end of the elastic piece (24) of the support rod (20) to rotate upwards, and when the elastic piece (24) is in contact with the inner wall of the water collecting well (13), the first external thread (22) is just in contact with the internal thread of the inner ring (19.1);
s3: the support rods (20) are rotated, the first external threads (22) are in threaded fit with the inner ring (19.1) and used for enabling the support rods (20) to move downwards continuously, the elastic pieces (24) begin to press the inner wall of the water collecting well (13), the support rods (20) expand outwards and form pressing with the inner wall of the water collecting well (13), and therefore the upper mounting ring hanging frame (18) is fixed;
s4: the fixed pulley traction line (4) is adjusted so as to adjust the positions of a drop-in type water level gauge (8), an over-high water level floating ball switch (9), a water level floating ball switch (10), a middle water level floating ball switch (11) or a low water level floating ball switch (12);
s5: when the throw-in type water level meter (8), the over-high water level floating ball switch (9), the water level floating ball switch (10), the middle water level floating ball switch (11) or the low water level floating ball switch (12) needs to be independently adjusted, the fixed pulley traction line (4) is pulled, and the positions of the throw-in type water level meter (8), the over-high water level floating ball switch (9), the water level floating ball switch (10), the middle water level floating ball switch (11) or the low water level floating ball switch (12) are adjusted;
s6: when the whole device needs to be disassembled, the push rod (21) is rotated to enable the push rod (21) to move upwards, when the first external thread (22) is separated from the inner ring (19.1), the push rod (21) is pulled upwards, and the pulley support frame and the upper mounting ring hanger (18) are integrally taken out; after the lifting rope or the lifting hook is detached, the second external threads (29) are in threaded connection with the inner ring (19.1), and the plurality of support rods (20) are retracted and locked.
CN202110920753.4A 2021-08-11 2021-08-11 Sensor hanger for monitoring liquid level of water collecting well and using method thereof Pending CN113790780A (en)

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CN204157449U (en) * 2014-10-15 2015-02-18 施福有 A kind of tractor switching device
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CN212156063U (en) * 2020-03-27 2020-12-15 福建福清核电有限公司 Fixing device in fire hose outlet well
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CN113106711A (en) * 2021-04-16 2021-07-13 田朝明 Balcony clothes-horse with remove and hang seat

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