CN207685845U

CN207685845U - Catch pit

Info

Publication number: CN207685845U
Application number: CN201721731117.2U
Authority: CN
Inventors: 唐云华
Original assignee: Chengdu Municipal Engineering And Research Design Institute
Current assignee: Chengdu Municipal Engineering And Research Design Institute
Priority date: 2017-12-12
Filing date: 2017-12-12
Publication date: 2018-08-03
Anticipated expiration: 2027-12-12

Abstract

The utility model is related to a kind of catch pits, including pit body, the blow-off pipe being arranged in pit body, pit body bottom is provided with dredge pump on the blow-off pipe, the start stop switch that start and stop are pumped for control of sewage disposal is provided on the dredge pump, the start stop switch includes sleeve and the shaft that is rotatably arranged in sleeve, the first conducting wire being connect with dredge pump is provided on the sleeve, the second conducting wire being connect with power supply is provided in the shaft, it is provided between the sleeve and shaft for driving shaft to rotate so that the cyclotron mechanism that the first conducting wire and the second conducting wire separate, the rotating bar vertical with shaft is provided in the shaft, it is connected with floating part in the rotating bar, the floating part can pull rotating bar after floating and shaft rotation is driven to make the first conducting wire and the second conductive contact.Such setting enables to dredge pump automatically according to water level to carry out drainage works, and special messenger is no longer needed to nurse, and has not only saved manpower, but also have also achieved self-draining effect.

Description

Catch pit

Technical field

The utility model is related to technical field of building construction more particularly to a kind of catch pits.

Background technology

Sumping method, also known as bright drainage are catch pit to be arranged at hole bottom, and along hole in Excavation Process Gutter is excavated in around bottom or center, is moved the water to flow into catch pit, is then used dredge pump（Submersible sewage pump）It takes away.The water of extraction should be led to Place far from foundation pit, in order to avoid flow back in foundation pit.When rainy season construction, it should excavate and cut around foundation pit or the upstream of the surface water Earth embankment is built in ditch, is flowed into foundation pit to prevent the surface water.It is additionally provided with highest alarm water level in catch pit, opens water pumping position and termination of pumping Water level, when water arrival, which is opened, pumps position, the sensing device being arranged on blow-off pipe can sense water, then can startup power supply allow row Dirt pump carries out drain operation, when water level reaches highest alarm water level, can alarm, when water level is at termination of pumping water level, Indicate that water level at this time does not have to discharge, dredge pump will be out of service.

But existing catch pit has any to be disadvantageous in that, existing catch pit is drained with startup dredge pump When, it is most of be all by being artificially observed the water level being in pit body, when observe water level increase to open pump near position when, Start dredge pump by operating personnel to drain, dredge pump is closed when water is extracted into termination of pumping water level, then by operating personnel.Every time Special messenger's nurse, very waste of manpower have been required for when draining.

Utility model content

The purpose of this utility model is to provide a kind of catch pits, have the advantages that Auto-drainage.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of catch pit, including Pit body, the blow-off pipe being arranged in pit body are provided with dredge pump positioned at pit body bottom on the blow-off pipe, are set on the dredge pump Be equipped with for control of sewage disposal pump start and stop start stop switch, the start stop switch include sleeve and be rotatably arranged in sleeve turn Axis is provided with the first conducting wire being connect with dredge pump on the sleeve, second connect with power supply is provided in the shaft and is led Line is provided between the sleeve and shaft for driving shaft to rotate so that the convolution machine that the first conducting wire and the second conducting wire separate Structure is provided with the rotating bar vertical with shaft in the shaft, and floating part is connected in the rotating bar, and the floating part floats After can pull rotating bar and drive shaft rotation make the first conducting wire and the second conductive contact.

Implement above-mentioned technical proposal, when it is waterborne be raised to open pump position when, floating part can also be risen by buoyancy, float at this time Part pulls on rotating bar rotation, and since rotating bar is vertically set in shaft, rotating bar can drive shaft rotation, and shaft is certainly Can be by the first conducting wire and the second conductive contact after turning, electric power starting after the first conducting wire is connected to the second conducting wire, dredge pump is just at this time It can be activated, to carry out drainage works.When water level decreasing is to termination of pumping water level, floating part no longer draws rotating bar rising, this When cyclotron mechanism will drive shaft rotation so that the first conducting wire and the second conducting wire separate, and power supply and dredge pump be just after separating It is closed, to allow dredge pump no longer to carry out drainage works.It is such setting enable to dredge pump automatically according to water level come into Row drainage works, and special messenger is no longer needed to nurse, manpower is not only saved, but also have also achieved self-draining effect.

Further, the first conductive sheet being connect with the first conducting wire is provided on the sleeve, be provided in the shaft with Second conductive sheet of the second conducting wire connection, the floating part drive shaft rotation that the first conductive sheet can be made to be led with second after floating Electric piece fitting.

Implement above-mentioned technical proposal, the first conducting wire and the second poor wire connection after being rotated in order to avoid shaft and can not lead to Electricity, therefore the first conductive sheet is provided on sleeve is provided with the second conductive sheet, after shaft rotation in shaft, it is only necessary to by the As soon as conductive sheet is contacted with the second conductive sheet, the first conducting wire can be powered with the second conducting wire, achieve the effect that be powered stable.

Further, the cyclotron mechanism includes the torsional spring being arranged in sleeve, the one end and sleeve connection, another End is connect with shaft, and the torsion of the torsional spring is less than the buoyancy of floating part.

Implement above-mentioned technical proposal, since torsional spring itself has resilience, shaft cycle can be driven after water level decreasing To the position for disconnecting the first conducting wire and the second conducting wire, automatic disconnection is achieved the effect that, and the torsion of torsional spring is less than floating part Buoyancy, avoid the feelings that floating part cannot connect the first conducting wire and the second conducting wire during floating occur to a certain extent Condition.

Further, described shaft one end is located in sleeve, and one end is located at outside sleeve, and the rotating bar setting is upper in shaft In one end outside sleeve.

Implement above-mentioned technical proposal, one end outside sleeve is arranged in shaft in rotating bar, floating part can be allowed light Pine drives rotating bar rotation so that the effect of rotation is more preferable.

Further, the floating part is connect by nylon rope with rotating bar.

Implement above-mentioned technical proposal, nylon rope has higher heat resistance and antiwear characteristic, not easily broken in floating-upward process, Floating part is enabled to more to stablize during floating.

Further, the floating part includes PVC foam plate.

Implement above-mentioned technical proposal, PVC foam plate has waterproof, fire-retardant, acid and alkali-resistance, mothproof, light, heat preservation, sound insulation, subtracts The characteristic of shake can be impregnated and be hardly damaged in water for a long time due to having these high-quality characteristics, be floating part most preferably It selects.

Further, the fixed mechanism for being fixed on blow-off pipe on pit body inner wall is provided on the pit body inner wall.

Implement above-mentioned technical proposal, blow-off pipe is fixed on pit body inner wall with fixed mechanism, blow-off pipe can be allowed to stablize Draining, achievees the effect that operate steadily.

Further, the fixed mechanism includes the positioning bolt being arranged on blow-off pipe, and the positioning bolt is threaded through row Dirt pipe is upper and blow-off pipe is fixed on pit body inner wall.

Implement above-mentioned technical proposal, when blow-off pipe is installed, it is only necessary to positioning bolt be passed through into blow-off pipe and be inserted into pit body Wall, at this time blow-off pipe be just fixed on pit body inner wall, achieved the effect that be fixed conveniently.

Further, several fixed plates being bonded with pit body inner wall, the positioning bolt are provided in the blowdown pipe outer wall It is threaded through in fixed plate and blow-off pipe is fixed on pit body inner wall.

Implement above-mentioned technical proposal and fixed plate is first close to blowdown outer wall when fixed, then positioning bolt is passed through and is fixed Plate simultaneously tightens in pit body inner wall, and blow-off pipe has just been firmly secured on pit body inner wall at this time, can make after being arranged in this way It obtains fixed better.

In conclusion the utility model has the advantages that：

One, the setting of start stop switch enables to dredge pump automatically according to water level to carry out drainage works, and no longer needs Special messenger nurses, and has not only saved manpower, but also have also achieved self-draining effect;

Two, the setting of torsional spring can drive shaft cycle extremely to disconnect the first conducting wire and the second conducting wire after water level decreasing Position has achieved the effect that automatic disconnection, and the torsion of torsional spring is less than the buoyancy of floating part, avoids float to a certain extent Moving part cannot connect the case where the first conducting wire and the second conducting wire during floating.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the optimal crosssection figure of the utility model embodiment;

Fig. 2 is the part connection diagram of the utility model embodiment blow-off pipe and dredge pump;

Fig. 3 is the exploded perspective view that the utility model embodiment start stop switch is connect with floating part.

Reference numeral：1, pit body；2, blow-off pipe；21, dredge pump；3, start stop switch；31, sleeve；311, the first conducting wire； 3111, the first conductive sheet；32, shaft；321, the second conducting wire；3211, the second conductive sheet；322, rotating bar；4, PVC foam plate； 5, torsional spring；6, nylon rope；7, positioning bolt；8, fixed plate.

Specific implementation mode

In the following detailed description, it is proposed that many details, in order to the comprehensive understanding to the utility model.But It is, it will be apparent to those skilled in the art that the utility model can be in one in not needing these details Implement in the case of a little details.Below the description of embodiment is used for the purpose of providing by showing the example of the utility model The utility model is more fully understood.

Below in conjunction with attached drawing, the technical solution of the utility model embodiment is described.

Embodiment：

As shown in Figure 1, 2, the present embodiment is related to a kind of catch pit, including pit body 1, the blow-off pipe 2 that is arranged in pit body 1, Dredge pump 21 is provided on blow-off pipe 2, dredge pump 21 is located at 1 bottom of pit body, and start stop switch 3 is provided on dredge pump 21, opens Start and stop of the guard's valve 3 for control of sewage disposal pump 21.In order to enable blow-off pipe 2 can be more steady when draining, in pit body 1 The fixed mechanism for being fixed on blow-off pipe 2 on 1 inner wall of pit body is provided on inner wall, fixed mechanism includes being arranged in blow-off pipe Positioning bolt 7 on 2 is provided with several fixed plates 8 on 2 outer wall of blow-off pipe, and fixed plate 8 is bonded with 1 inner wall of pit body, positioning bolt 7 pass through fixed plate 8 and are tightened in 1 inner wall of pit body, and blow-off pipe 2 has just been fixed on 1 inner wall of pit body.

As shown in figure 3, start stop switch 3 includes sleeve 31 and shaft 32, shaft 32 is rotatably arranged in sleeve 31, and shaft 32 one end are located in sleeve 31, and the other end is located at outside sleeve 31, and first connect with dredge pump 21 is provided on sleeve 31 and is led Line 311 is provided with the second conducting wire 321 being connect with power supply, energy after the first conducting wire 311 is connect with the second conducting wire 321 in shaft 32 It enough allows power supply to be connected to dredge pump 21 and starts dredge pump 21 and carry out drainage works.It is additionally provided in shaft 32 vertical with shaft 32 Rotating bar 322, rotating bar 322 are arranged in shaft 32 one end outside sleeve 31, are connected by nylon rope 6 in rotating bar 322 It is connected to floating part, floating part is preferably PVC foam plate 4, and PVC foam plate 4 can pull rotating bar 322 to rotate after floating, and energy band The rotation of turn axis 32 makes the first conducting wire 311 and the second conducting wire 321 contact.

As shown in figure 3, can not in order to avoid the first conducting wire 311 and 321 poor contact of the second conducting wire after the rotation of shaft 32 It is powered, the first conductive sheet 3111 being connect with the first conducting wire 311 is provided on sleeve 31, is provided in shaft 32 and is led with second The second conductive sheet 3211 that line 321 connects, PVC foam plate 4 drive the rotation of shaft 32 that can make the first conductive sheet 3111 after floating It is bonded with the second conductive sheet 3211.

As shown in figure 3, being provided with cyclotron mechanism between sleeve 31 and shaft 32, cyclotron mechanism includes being arranged in sleeve 31 Torsional spring 5, the torsion of torsional spring 5 is less than the buoyancy of PVC foam plate 4, and the winding of torsional spring 5 is arranged in shaft 32 and one end and sleeve 31 Connection.Torsional spring 5 is for driving shaft 32 to rotate so that the first conductive sheet 3111 and the second conductive sheet 3211 separate.

Specific work process：When it is waterborne be raised to open pump position when, PVC foam plate 4 can drive shaft 32 rotate so that first Conductive sheet 3111 is contacted with the second conductive sheet 3211, and the first conducting wire 311 can be powered with the second conducting wire 321, allows power initiation Dredge pump 21 carries out drainage works；When dropping to termination of pumping water level under water, PVC foam plate 4 does not refloat, and torsional spring 5 will drive shaft 32 detach the first conductive sheet 3111 with the second conductive sheet 3211, and power supply will close at this time, and dredge pump 21 will be stopped.In this way Setting enable to dredge pump 21 automatically according to water level to carry out drainage works, and special messenger is no longer needed to nurse, not only saved Manpower, and have also achieved self-draining effect.

Above example is only to illustrate the technical solution of the utility model, rather than is carried out to the protection domain of utility model Limitation.Obviously, described embodiment is only the utility model section Example, rather than whole embodiments.Based on these Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the utility model scope of the claimed.Although the utility model is described in detail with reference to above-described embodiment, Those of ordinary skill in the art can still not make creative work and respectively implement to the utility model in the absence of conflict Feature in example is according to circumstances combined with each other, additions and deletions or makees other adjustment, to obtain different, essence without departing from this practicality newly The other technologies scheme of the design of type, these technical solutions similarly belong to the utility model scope of the claimed.

Claims

1. a kind of catch pit includes the blow-off pipe (2) of pit body (1), setting in pit body (1), is located at hole on the blow-off pipe (2) Body (1) bottom is provided with dredge pump (21), which is characterized in that is provided on the dredge pump (21) and pumps (21) for control of sewage disposal The start stop switch (3) of start and stop, the start stop switch (3) include sleeve (31) and the shaft that is rotatably arranged in sleeve (31) (32), it is provided with the first conducting wire (311) being connect with dredge pump (21) on the sleeve (31), is provided on the shaft (32) The second conducting wire (321) being connect with power supply is provided between the sleeve (31) and shaft (32) for driving shaft (32) to be revolved Turn so that the first conducting wire (311) and the separated cyclotron mechanism of the second conducting wire (321), is provided on the shaft (32) and shaft (32) vertical rotating bar (322) are connected with floating part on the rotating bar (322), and the floating part can pull after floating to be turned Lever (322) simultaneously drives shaft (32) rotation that the first conducting wire (311) and the second conducting wire (321) is made to contact.

2. catch pit according to claim 1, which is characterized in that be provided with and the first conducting wire on the sleeve (31) (311) the first conductive sheet (3111) connected is provided with the second conduction connect with the second conducting wire (321) on the shaft (32) Piece (3211), the floating part drives shaft (32) to rotate after floating can make the first conductive sheet (3111) and the second conductive sheet (3211) it is bonded.

3. catch pit according to claim 1, which is characterized in that the cyclotron mechanism includes being arranged in sleeve (31) Torsional spring (5), described torsional spring (5) one end are connect with sleeve (31), and the other end is connect with shaft (32), the torsion of the torsional spring (5) Less than the buoyancy of floating part.

4. catch pit according to claim 1, which is characterized in that the shaft (32) is threaded through on sleeve (31), described Shaft (32) one end is located in sleeve (31), and one end is located at sleeve (31) outside, and the rotating bar (322) is arranged in shaft (32) Positioned at the one end of sleeve (31) outside.

5. catch pit according to claim 4, which is characterized in that the floating part passes through nylon rope (6) and rotating bar (322) it connects.

6. catch pit according to claim 5, which is characterized in that the floating part includes PVC foam plate (4).

7. catch pit according to claim 1, which is characterized in that be provided on pit body (1) inner wall for by blowdown Pipe (2) is fixed on the fixed mechanism on pit body (1) inner wall.

8. catch pit according to claim 7, which is characterized in that the fixed mechanism includes being arranged on blow-off pipe (2) Positioning bolt (7), the positioning bolt (7) is threaded through on blow-off pipe (2) and blow-off pipe (2) is fixed on pit body (1) inner wall On.

9. catch pit according to claim 8, which is characterized in that be provided on blow-off pipe (2) outer wall and pit body (1) Several fixed plates (8) of inner wall fitting, the positioning bolt (7) are threaded through in fixed plate (8) and blow-off pipe (2) are fixed on hole On body (1) inner wall.