CN208780301U - A kind of integration Boosting pumping station with integral movable type floats ball fixing device - Google Patents

A kind of integration Boosting pumping station with integral movable type floats ball fixing device Download PDF

Info

Publication number
CN208780301U
CN208780301U CN201821707218.0U CN201821707218U CN208780301U CN 208780301 U CN208780301 U CN 208780301U CN 201821707218 U CN201821707218 U CN 201821707218U CN 208780301 U CN208780301 U CN 208780301U
Authority
CN
China
Prior art keywords
floating ball
ball fixing
fixing pipe
float switch
shaped channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821707218.0U
Other languages
Chinese (zh)
Inventor
李相傲
石中进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Luquan Pump Industry Co Ltd
Original Assignee
Jiangsu Luquan Pump Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Luquan Pump Industry Co Ltd filed Critical Jiangsu Luquan Pump Industry Co Ltd
Priority to CN201821707218.0U priority Critical patent/CN208780301U/en
Application granted granted Critical
Publication of CN208780301U publication Critical patent/CN208780301U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Level Indicators Using A Float (AREA)

Abstract

The utility model discloses a kind of integrated Boosting pumping stations to float ball fixing device with integral movable type, belong to the technical field of auxiliary tool, including platform beam, it is connected with C-shaped channel steel on the platform beam, is cased between floating ball fixing pipe and floating ball fixing pipe and C-shaped channel steel and is detachably connected in C-shaped channel steel;One end of the floating ball fixing pipe is closed end, the other end is open end, multiple water level holes are offered along its axis direction on the side wall of floating ball fixing pipe, and the inside merging of floating ball fixing pipe has throw-in type liquid level sensor, the cable of throw-in type liquid level sensor is drawn by the open end of the floating ball fixing pipe;It further include the high-order float switch being fixed in the floating ball fixing pipe and low water float switch, floating ball fixing pipe is equipped with high-order hole corresponding with high-order float switch and low water float switch and low level hole respectively, good tool, purpose that is time saving and energy saving and improving working condition are provided to reach the installation to liquid level sensor and floating-ball level switch.

Description

A kind of integration Boosting pumping station with integral movable type floats ball fixing device
Technical field
The utility model belongs to the technical field of integrated elevator pump auxiliary tool, in particular to a kind of integration Boosting pumping station floats ball fixing device with integral movable type.
Background technique
Currently, integrated sewage water Boosting pumping station is gradually widely used, it is rapid with installation and debugging, at low cost and whole The stronger advantage of body adaptability, pumping plant main body is by pit shaft, immersible pump, grid system in existing conventional integrated sewage water Boosting pumping station System promotes the components such as chain, pipeline, valve, liquid level sensor, control system and ventilating system composition, integrated sewage water elevator pump Station is the hoisting device of lifting sewage, rainwater, drinking water, waste water, unifies to be transported to scene after production and assembly by factory and be installed Pumping plant.
It is whole to cooperate to will use liquid level sensor and floating-ball level switch in existing integrated sewage water Boosting pumping station The control system of a pumping plant.
Wherein, liquid level sensor can be used for sensed water level, realize water-level simulation control using analog quantity;Floating ball can also be passed through Liquid-level switch is used to ensure that water pump in certain liquid level range, can normally start, stops and alarm.Market at present Drainage system in upper most of integrated sewage water Boosting pumping stations is all therefore the Auto-drainage control system used can all make It is fixed in position with the installation needs of floating-ball level switch, floating-ball level switch, still, currently, being used there is no special In the bracket of installation floating-ball level switch, scene is difficult to carry out floating-ball level switch secured when installing floating-ball level switch It is fixed, after often carefully connecting the wire and being wrapped with insulating tape, an iron or brandreth is at will looked for hang up properly, using such mode, although Floating-ball level switch can well be installed, still, floating-ball level switch line is wound everywhere, environment it is poor place more It is easy to make aging circuit, short circuit, adjustment floating-ball level switch position is inconvenient and dangerous, forms security risk.
Utility model content
In view of this, in order to solve the above problems existing in the present technology, the purpose of this utility model is to provide one kind Integrated Boosting pumping station floats ball fixing device with integral movable type to reach the installation to liquid level sensor and floating-ball level switch Good tool, purpose that is time saving and energy saving and improving working condition are provided.
The technology employed by the present utility model is a kind of integration Boosting pumping station fixes dress with integral movable type floating ball It sets, including platform beam, C-shaped channel steel is connected on the platform beam, floating ball fixing pipe and floating ball are cased in C-shaped channel steel It is detachably connected between fixing pipe and C-shaped channel steel;One end of the floating ball fixing pipe is closed end, and the other end is open end, is floated Multiple water level holes are offered along its axis direction on the side wall of ball fixing pipe, and the inside merging of floating ball fixing pipe has throw-in type liquid The cable of level sensor, throw-in type liquid level sensor is drawn by the open end of the floating ball fixing pipe;Further include be fixed on it is described High-order float switch and low water float switch, the floating ball fixing pipe in floating ball fixing pipe are equipped with and open respectively with high-order floating ball It closes and low water float switchs corresponding high-order hole and low level hole.
Further, the C-shaped channel steel is equipped at least two fixing bolts, offers in floating ball fixing pipe and fixed spiral shell The bolt hole of bolt Corresponding matching.
Further, the C-shaped channel steel is connect with the perpendicular of the platform beam.
Further, the C-shaped channel steel and the platform beam are welded to connect, or are connected to by fixing screws described On platform beam.
Further, threading hole is offered in the floating ball fixing pipe, high-order float switch and low water float switch floating Ball line both passes through the threading hole and extends to the open end of the floating ball fixing pipe, and high-order float switch and low water float are opened The floating ball line of pass is cased with cableties, and cableties are pushed against on the threading hole.
Further, the multiple water level hole is equally arranged, and close to the closed end of the floating ball fixing pipe.
The utility model has the following beneficial effects:
1. float ball fixing device with integral movable type using integrated Boosting pumping station disclosed in the utility model, by The installation of liquid level sensor is fixed in the inside merging throw-in type liquid level sensor realization of floating ball fixing pipe, then by by high-order hole It respectively switchs high-order float switch and low water float with low level hole and is fixed on preset appropriate position, it is floating to a high position to realize The installation of ball switch and low water float switch is fixed;Meanwhile floating ball fixing pipe is removably connected to C-shaped channel by fixing bolt On steel, when need in cesspool or in integrated pump station to floating ball carry out installation and debugging when, only need to floating ball fixing pipe into Luggage, which is matched, can realize that liquid level sensor, high-order float switch and low water float switch are all secured to position appropriate, and work people Member does not have to enter cesspool, without lower to platform beam hereinafter, mentioning significantly so as to improve working condition and time saving and energy saving High working efficiency.
2. threading hole is arranged in floating ball fixing pipe, it is somebody's turn to do when the floating ball line that high-order float switch and low water float switch passes through When threading hole, floating ball line can be fixed, with realize by high-order float switch and low water float switch be fixed on On the corresponding position in high-order hole and low level hole, Fast Installation can be carried out to high-order float switch and low water float switch, saved Shi Shengli.
3. offering multiple water level holes, in floating ball fixing pipe to realize the pipeline water level inside and one of floating ball fixing pipe The water level changed inside Boosting pumping station is consistent, is the reliable guarantee that throw-in type liquid level sensor is able to carry out normal work.
Detailed description of the invention
Fig. 1 is the front view structure that integrated Boosting pumping station provided by the utility model floats ball fixing device with integral movable type Schematic diagram;
Fig. 2 is the side view structure that integrated Boosting pumping station provided by the utility model floats ball fixing device with integral movable type Schematic diagram;
Fig. 3 is that integrated Boosting pumping station provided by the utility model is floated with integral movable type and assists fastener in ball fixing device Structural schematic diagram.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that indicating position or positional relationship is based on attached drawings Shown in orientation or positional relationship or the utility model product using when the orientation or positional relationship usually put, or Orientation or positional relationship that those skilled in the art usually understand or the utility model product using when usually put Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.In addition, term " first ", " second " are only used for distinguishing description, it is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects;It can be and be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used The attached drawing in the concrete meaning type embodiment of above-mentioned term in the present invention is understood with concrete condition, to the utility model reality The technical solution applied in example is clearly and completely described, it is clear that described embodiment is that the utility model a part is implemented Example, instead of all the embodiments.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be with It arranges and designs with a variety of different configurations.
As Figure 1-Figure 2, it is solid that a kind of integrated Boosting pumping station integral movable type floating ball is disclosed in the present embodiment Determine device, good tool can be provided in the installation to liquid level sensor and floating-ball level switch to realize, and can reach To time saving and energy saving effect, including platform beam 2, platform beam 2 is existing component in integrated elevator pump, and platform Supporting beam 2 is also as the installation carrier for floating ball fixing device in the present embodiment.
It is connected with C-shaped channel steel 4 on the platform beam 2, floating ball fixing pipe 1 and floating ball fixing pipe are cased in C-shaped channel steel 4 It is detachably connected, i.e., is embedded in floating ball fixing pipe 1 between the two opposite side walls of the C-shaped channel steel 4 between 1 and C-shaped channel steel 4 In gap, and due to being by being detachably connected between floating ball fixing pipe 1 and C-shaped channel steel 4, on the one hand, can be first in floating ball Throw-in type liquid level sensor 8, high-order float switch 5 and low water float switch 6 have been fixedly mounted in fixing pipe 1 and then will float Ball fixing pipe 1 carries out assembly fixation, realizes Fast Installation;On the other hand, maintenance can also be facilitated, in maintenance or maintenance, only It needs to dismantle the floating ball fixing pipe 1 in C-shaped channel steel 4, can realize liquid level sensor, high-order float switch disposably 5 and low water float switch 6 all take out.Preferably, the specification of the C-shaped channel steel 4 is made of 6# stainless steel, has good resistance to Corrosivity.
One end of the floating ball fixing pipe 1 is closed end, the end towards sewage institute at one end and closed end will It stretches to inside sewage, the other end is open end, and upward, and floating ball fixing pipe 1 uses 40mm stainless pipe for open end It is made, offers multiple water level holes 9 along its axis direction on the side wall of floating ball fixing pipe 1, multiple arrangements of water level hole 9 form one Rectilinear form, the liquid that water level hole 9 can be realized inside integrated elevator pump enter to the inside of floating ball fixing pipe 1, and can Keep the water level inside floating ball fixing pipe 1 consistent with the water level inside integrated pump station, and the inside merging of floating ball fixing pipe 1 There is a throw-in type liquid level sensor 8, the water level information that can accurately detect inside body pumping plant of throw-in type liquid level sensor 8, Water-level simulation control is realized using analog quantity, throw-in type liquid level sensor 8, which can be stablized, to be placed on closed end, to realize to throwing Entering the fixation of formula liquid level sensor 8, the cable 10 of throw-in type liquid level sensor 8 is drawn by the open end of the floating ball fixing pipe 1, And the cable 10 is electrically connected on integrated elevator pump on corresponding jack (for the cable 10 of throw-in type liquid level sensor 8 Connection between integrated elevator pump belongs to the prior art, the operation that those skilled in the art pass through the integrated elevator pump of reading Illustrate, can be clear how to be attached.);It further include the high-order float switch 5 being fixed in the floating ball fixing pipe 1 and low Position float switch 6, the floating ball fixing pipe 1 are equipped with height corresponding with high-order float switch 5 and low water float switch 6 respectively Position hole and low level hole, high-order hole and low level hole are namely for the installation site to high-order float switch 5 and low water float switch 6 Reference is provided, to guarantee that high-order float switch 5 and low water float switch 6 can be mounted in place place.The throw-in type Liquid level sensor 8, high-order float switch 5 and low water float switch 6 are all made of existing product on the market, no longer superfluous herein It states, existing cable type floating-ball level switch, model LPF- can be used in high-order float switch 5 and low water float switch 6 C3.15-M15-3;It is preferred that using the Europe OUMENS Men Shi board, the throw-in type liquid transmitter of model MSYW11.
The C-shaped channel steel 4 is equipped at least two fixing bolts 3, and it is right with fixing bolt 3 to offer in floating ball fixing pipe 1 Answer matched bolt hole.Preferably, if there are two fixing bolts 3, and the end of fixing bolt 3 sequentially passes through the one of C-shaped channel steel 4 Another side wall of side wall, floating ball fixing pipe 1 and C-shaped channel steel 4 is installed stablizing for floating ball fixing pipe 1 with realizing, and can be guaranteed Floating ball fixing pipe 1 will not generate any shaking.
The C-shaped channel steel 4 is connect with the perpendicular of the platform beam 2.Preferably, it provides in the present embodiment Two kinds of connection types: (1), by the C-shaped channel steel 4 and the platform beam 2 being welded to connect, and its reliability is high, still, after It is larger that phase dismantles difficulty;(2), it is connected on the platform beam 2 by fixing screws 7, the C-shaped channel steel 4 is set as down T Font structure, and the bottom of C-shaped channel steel 4 is threadedly connected on the platform beam 2 by multiple fixing screws 7, to realize To being connected and fixed for C-shaped channel steel 4.
Threading hole, the floating ball line 11 of high-order float switch 5 and low water float switch 6 are offered in the floating ball fixing pipe 1 It both passes through the threading hole and extends to the open end of the floating ball fixing pipe 1, offer two on the side wall of floating ball fixing pipe 1 A threading hole, two threading holes are respectively used to penetrate the floating ball line 11 of high-order float switch 5 and the floating ball line of low water float switch 6 11, the floating ball line 11 of high-order float switch 5 and low water float switch 6 stretches out the open end of the floating ball fixing pipe 1 and then twines It is wound in the line stake of the platform beam 2, the position of high-order float switch 5 and low water float switch 6 can be carried out Fixed, the end of floating ball line 11 is also electrically connected on integrated elevator pump in corresponding jack (for high-order float switch 5 and low Connection between the floating ball line 11 and integrated elevator pump of position float switch 6 also belongs to the prior art, those skilled in the art's energy Enough operating instructions by reading integrated elevator pump, can be clear how to be attached), and high-order float switch 5 and low level Cableties are cased on the floating ball line 11 of float switch 6, cableties are pushed against on the threading hole, and the cableties are used to be similar to and be applied In the cableties of pendent lamp lamp line.In actual installation process, firstly, cableties are locked on the appropriate location of floating ball line 11, and line The outer diameter of button is greater than the aperture of the threading hole, then passes through the side for pulling floating ball line 11 and cableties being made to be pushed against floating ball fixing pipe 1 On wall surface, high-order float switch 5 and low water float switch 6 can be fixed, and high-order float switch 5 and low water float The position of switch 6 is corresponding with high-order hole and low level hole respectively.
The multiple water level hole 9 is equally arranged, and is located at the water level hole 9 of lowermost end close to the floating ball fixing pipe 1 Closed end, arrangement is upwardly extended as the end where closed end as the rectilinear form that is formed of multiple water level holes 9 arrangement, positioned at most The water level hole 9 of bottom should be located inside floating ball fixing pipe 1 with the closing end surfaces flush of the floating ball fixing pipe 1 with guarantee Ponding can thoroughly be discharged.
Preferably, it to effectively prevent the inside of floating ball fixing pipe 1 to generate ponding, is offered on the surface of the closed end The leakage hole communicated with inside the floating ball fixing pipe 1, i.e. closed end form fenestral fabric, to realize in floating ball fixing pipe 1 The ponding in portion can be smoothly discharged, meanwhile, closed end still is able to provide throw-in type liquid level sensor 8 reliable rest effect Power.
Due to that may have impurity or suspended matter in the liquid inside integrated elevator pump, in floating ball fixing pipe 1 It is therefore, provided in the present embodiment to occur occurring the sediment of impurity or suspended matter inside it after long-time service It further includes filtering net cylinder (being not shown on figure), the filtering net cylinder that integrated Boosting pumping station, which floats ball fixing device with integral movable type, Be set as cylinder-like structure open at one end, and filtering net cylinder and the inside of the floating ball fixing pipe 1 match, and can be inserted in The inside of floating ball fixing pipe 1, effectively to be filtered to the impurity to suspend in the liquid inside integrated elevator pump.
It preferably, in the present embodiment, is by twining the floating ball line 11 of high-order float switch 5 and low water float switch 6 It is wound in corresponding line stake to be fixed, for the install convenient for further promoting high-order float switch 5 and low water float switch 6 Degree, as shown in figure 3, using such as flowering structure: further including flexible collar 12, the flexible collar 12 is placed on the floating ball fixing pipe 1 Outer wall on, and the side wall of flexible collar 12 be equipped with U-shaped breach 14, closing of the U-shaped breach 14 towards the floating ball fixing pipe 1 End, floating ball fixing pipe 1 are equipped with the stop screw (being not shown on figure) with 14 Corresponding matching of U-shaped breach, and stop screw can block Enter to the U-shaped breach 14;Be also provided on the inner surface of the flexible collar 12 respectively with high-order float switch 5 and low level The corresponding rubber press pad 13 of floating ball line 11 of float switch 6, for pushing against floating ball line 11, rubber press pad 13 can lead to rubber press pad 13 It crosses seccotine or screw is fixed on the inner wall of the flexible collar 12.
Operating procedure in actual application is as follows;First by the floating ball line 11 and low water float of high-order float switch 5 The floating ball line 11 of switch 6 is each passed through corresponding threading hole and opening for the floating ball fixing pipe 1 is drawn in the end of floating ball line 11 Mouth end;The floating ball line 11 of the floating ball line 11 of high-order float switch 5 and low water float switch 6 is adjusted respectively again, so that high Position float switch 5 and low water float switch 6 are corresponding with high-order hole and low level hole respectively;Finally, by flexible collar 12 be inserted in In the floating ball fixing pipe 1, and make the rubber press pad 13 in flexible collar 12 by the floating ball line 11 and low level of high-order float switch 5 The floating ball line 11 of float switch 6 is compressed, then finely tunes the position of flexible collar 12 and its U-shaped breach 14 is enable to be caught in limit In the screw of position, it is finally completed the positioning of the installation to high-order float switch 5 and low water float switch 6, and flexible collar 12 is also not easy It falls, meanwhile, it is capable to provide good clamping force to floating ball line 11.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.

Claims (6)

1. a kind of integration Boosting pumping station floats ball fixing device, including platform beam with integral movable type, which is characterized in that institute It states and is connected with C-shaped channel steel on platform beam, be cased in C-shaped channel steel between floating ball fixing pipe and floating ball fixing pipe and C-shaped channel steel It is detachably connected;One end of the floating ball fixing pipe is closed end, and the other end is open end, along it on the side wall of floating ball fixing pipe Axis direction offers multiple water level holes, and the inside merging of floating ball fixing pipe has throw-in type liquid level sensor, throw-in type liquid level The cable of sensor is drawn by the open end of the floating ball fixing pipe;It further include that the high position being fixed in the floating ball fixing pipe is floated Ball switch and low water float switch, the floating ball fixing pipe are equipped with opposite with high-order float switch and low water float switch respectively The high-order hole and low level hole answered.
2. integration Boosting pumping station according to claim 1 floats ball fixing device with integral movable type, which is characterized in that institute It states C-shaped channel steel and is equipped at least two fixing bolts, the bolt hole with fixing bolt Corresponding matching is offered in floating ball fixing pipe.
3. integration Boosting pumping station according to claim 1 floats ball fixing device with integral movable type, which is characterized in that institute C-shaped channel steel is stated to connect with the perpendicular of the platform beam.
4. integration Boosting pumping station according to claim 1 or 3 floats ball fixing device with integral movable type, feature exists In the C-shaped channel steel and the platform beam are welded to connect, or are connected on the platform beam by fixing screws.
5. integration Boosting pumping station according to claim 1 floats ball fixing device with integral movable type, which is characterized in that institute It states and offers threading hole in floating ball fixing pipe, the floating ball line of high-order float switch and low water float switch both passes through the threading hole And extend the open end of the floating ball fixing pipe, and cover on the floating ball line of high-order float switch and low water float switch wired Button, cableties are pushed against on the threading hole.
6. integration Boosting pumping station according to claim 1 floats ball fixing device with integral movable type, which is characterized in that institute Multiple water level holes are stated equally to arrange.
CN201821707218.0U 2018-10-19 2018-10-19 A kind of integration Boosting pumping station with integral movable type floats ball fixing device Active CN208780301U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821707218.0U CN208780301U (en) 2018-10-19 2018-10-19 A kind of integration Boosting pumping station with integral movable type floats ball fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821707218.0U CN208780301U (en) 2018-10-19 2018-10-19 A kind of integration Boosting pumping station with integral movable type floats ball fixing device

Publications (1)

Publication Number Publication Date
CN208780301U true CN208780301U (en) 2019-04-23

Family

ID=66163169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821707218.0U Active CN208780301U (en) 2018-10-19 2018-10-19 A kind of integration Boosting pumping station with integral movable type floats ball fixing device

Country Status (1)

Country Link
CN (1) CN208780301U (en)

Similar Documents

Publication Publication Date Title
CN203452841U (en) Automatic water draining device for coal mine gas extraction pipeline
CN203362634U (en) Installation structure for submersible sewage pump
CN202468258U (en) Improved water drainage pump control system
CN208780301U (en) A kind of integration Boosting pumping station with integral movable type floats ball fixing device
CN203669074U (en) Drainage system of cable duct of transformer substation
CN201052423Y (en) Oil water gas separating liquor drainage automatic control device
CN211735711U (en) Integrated intercepting well of automatic gate valve controlled by rainfall
CN201436475U (en) Watering sealing can siphon
CN201391337Y (en) Automatic drainage system of cable tunnel
CN105821955A (en) Sewage lifting system and control method thereof
CN202165124U (en) Automatic water drainage control device for gas drainage of coal mine
CN210216607U (en) Laboratory wastewater collecting and discharging device
CN203455725U (en) Low-cost zero-energy consumption pump pool liquid level automatic control device
CN108050299A (en) A kind of passive control method in low-pressure drainage system
KR100518684B1 (en) Atomatic Sewage Sampling System in Manhole
CN209818339U (en) Automatic drainage system of cable tunnel
CN207567930U (en) The prefabricated pumping plant of buried type integrated
CN111237261A (en) Siphon drainage structure and using method thereof
CN201021668Y (en) Fully automatic driving pump
CN204645157U (en) Automatic water-supply apparatus
CN204406226U (en) Slag bath liquid level protection device
CN212729636U (en) Odor-resistant plate type sewer plugging device for waterless urinal
CN209356023U (en) A kind of city tunnel ponding monitoring device
CN201195860Y (en) Automatic water controller
CN215367638U (en) Vacuum drainage control device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant