CN219430566U - Silt blocking device and culvert gate - Google Patents

Abstract

The utility model discloses a silt blocking device and a culvert gate, and relates to the field of culvert gates, comprising a silt blocking box, a silt blocking and sinking component, a filter plate and a plurality of floating rotating plates; the silt blocking and settling component comprises a silt blocking and settling frame arranged in the silt blocking box, and a plurality of silt blocking and settling grooves formed on the silt blocking and settling frame and used for blocking and settling silt; the filter plate is arranged in the silt blocking box and is provided with a plurality of filter holes for filtering and blocking silt matters in the water body; the plurality of floating rotating plates are correspondingly arranged in the silt blocking box in a rotating way and positioned at the front side of the filter plate. Through setting up the silt case that hinders in gate water inflow side to set up silt deposit part, keep off components such as floating the commentaries on classics board at the silt incasement that hinders, can collect silt deposit and floater etc. in the water, thereby reduce silt deposit, solidification near culvert, sluice, and influence the condition that cleaning personnel cleared up, not only can reduce cleaning personnel's working strength, also be convenient for cleaning personnel in time clear up.

Description

Silt blocking device and culvert gate

Technical Field

The utility model relates to the field of culverts, in particular to a silt blocking device and a culvert.

Background

The culvert gate is a short name of culvert gate and sluice gate, is used for draining water of reservoirs and guiding water of dams, wherein the culvert gate is a drainage and diversion building in the dams and the dikes, and the sluice gate is a low-water-head water retaining and draining project built on the riverway and the dikes, can be matched with the riverway dikes and the drainage and water storage project in the flood season, and plays a role in controlling water flow.

At present, before the culvert floodgate is in flood season or sluicing, the work such as desilting and maintenance are needed to the culvert floodgate to the normal sluicing operation of protection culvert floodgate, wherein, the desilting is mainly to the culvert, the sediment near the floodgate is cleared up, these sediment include silt deposit and floater etc. and most deposit, float near culvert, floodgate when the water flows at ordinary times, in the past, not only the sediment can increase gradually, silt etc. also can deposit solidification gradually in culvert, floodgate bottom, not only can cause the difficulty in the clearance, increase the time and the working strength of clearance, if can not clear up in time also can influence the normal sluicing operation of culvert floodgate, there is certain hidden danger.

Disclosure of Invention

The utility model aims to: the present utility model is directed to the above drawbacks, and provides a silt blocking apparatus and culvert gate to solve the above problems in the prior art.

The technical scheme is as follows: a silt blocking device and a culvert gate comprise a silt blocking box, silt blocking and sinking components, a filter plate and a plurality of floating rotating plates;

a silt blocking box;

the silt blocking and settling component comprises a silt blocking and settling frame arranged in the silt blocking box and a plurality of silt blocking and settling grooves which are arranged on the silt blocking and settling frame and used for blocking and settling silt;

the filter plate is arranged in the silt blocking box, and a plurality of filter holes for filtering and blocking sediment in the water body and facilitating the flow of the water body in the silt blocking box are formed in the filter plate;

the plurality of floating baffle rotating plates are correspondingly arranged in the silt blocking box and positioned at the front side of the filter plate in a rotating way and are used for being matched with the silt blocking box and the filter plate to collect floating matters in the water body.

In a further embodiment, the silt blocking and settling component further comprises a first silt inlet inclined plane;

the first silt inlet inclined plane is arranged on the outer side of the silt blocking and depositing frame, silt sediments conveniently enter the silt blocking and depositing frame along with the flow of water, the height difference formed between the first silt inlet inclined plane and the bottom surface of the silt depositing tank is a first preset height, and an included angle formed by the first silt inlet inclined plane and the horizontal direction is a silt inlet included angle.

In a further embodiment, the silt blocking and settling component further comprises a plurality of silt blocking inclined planes;

the silt blocking inclined planes are formed on one sides of the silt sinking grooves far away from the first silt inlet inclined planes and are used for being matched with silt blocking, the height difference formed by the silt blocking inclined planes and the bottom surfaces of the silt sinking grooves is a second preset height, and the included angle formed by the silt blocking inclined planes and the horizontal direction is a silt blocking included angle.

In a further embodiment, a plurality of the second predetermined heights are not less than the first predetermined height and the second predetermined heights are gradually increased, a plurality of the silt blocking included angles are not greater than the silt inlet included angles and the silt blocking included angles are gradually reduced, in the application, two silt settling grooves are formed in the silt blocking and settling frame, and the two silt settling grooves are arranged in a reverse right trapezoid.

In a further embodiment, the silt blocking apparatus further comprises a silt inlet frame;

the silt inlet frame is inserted into one side of the silt blocking box away from the filter plate and used for propping against the silt blocking and depositing frame and the silt blocking box, the bottom of the silt inlet frame and the bottom of the silt blocking box are positioned on the same horizontal plane, a second silt inlet inclined plane is formed on the silt inlet frame, and the second silt inlet inclined plane and the first silt inlet inclined plane are positioned on the same water surface and used for being matched with the first silt inlet inclined plane to facilitate silt sediment to flow along with the water body to enter the silt blocking and depositing frame.

In a further embodiment, the silt blocking device further comprises a plurality of split box plates and a plurality of water outlet tanks;

the split box plates are inserted into the silt blocking box and are positioned at one side of the floating blocking rotating plate away from the filter plate;

the water outlet tanks are correspondingly arranged on the split box plates, so that water can flow out of the silt blocking box conveniently.

In a further embodiment, the silt blocking apparatus further comprises a back frame and a plurality of mounting holes;

the back frame is arranged on one surface of the silt blocking box, which is far away from the silt entering frame, and is used for being matched with the silt blocking and sinking component to block silt, and a plurality of mounting holes for external equipment are correspondingly formed in the back frame and the filter plate, wherein the bottom of the filter plate is higher than the silt blocking and sinking frame, so that floaters and the like are conveniently filtered, and blocked in the silt blocking box.

In a further embodiment, a culvert gate comprises the silt blocking apparatus of any of the above embodiments, further comprising a culvert, a gate, a plurality of securing bolts, a plurality of nuts, and a lifting apparatus.

Culverts are built by bricks, stones, concrete or reinforced concrete;

the gate is arranged in the culvert, a plurality of fixing bolts matched with the mounting holes are arranged on the gate, and nuts are connected to the end parts of the fixing bolts in a threaded manner and are used for fixing the gate and the silt blocking box in a matched mode;

and the lifting device is connected to the gate and used for lifting the gate.

In a further embodiment, the culvert gate further comprises a plurality of retaining rings;

the positioning rings are correspondingly arranged at the preset positions of the fixing bolts and are abutted against the back frame, and are used for positioning the installation of the silt blocking box and the gate and reserving a water circulation space.

The beneficial effects are that: the utility model discloses a silt blocking device and a culvert gate, which can collect silt sediment, floaters and the like in a water body by arranging a silt blocking box at the water inlet side of a gate and arranging components such as a silt depositing component, a floating baffle rotating plate and the like in the silt blocking box, so that the sediment is reduced and solidified near the culvert and the sluice gate, the condition of cleaning by cleaning staff is influenced, the working intensity of the cleaning staff is reduced, and the cleaning staff can clean in time conveniently.

Drawings

FIG. 1 is a sectional view of the silt blocking tank of the present utility model installed at the water inlet side of a gate.

FIG. 2 is a perspective view of the silt blocking tank of the present utility model.

FIG. 3 is a perspective view of the silt blocking frame of the present utility model.

FIG. 4 is a perspective view of another view of the silt blocking tank of the present utility model.

FIG. 5 is a view showing the effect of the silt blocking box of the present utility model mounted on a gate.

The reference numerals in the drawings are as follows: 1. the device comprises a silt blocking box, a silt blocking and sinking component, a silt blocking and sinking frame, a silt sinking groove, a first silt inlet inclined surface, a silt blocking inclined surface, a split box plate, a water outlet groove, a floating and rotating blocking plate, a back frame, a filter plate, a mounting hole, a silt inlet frame, a gate, a lifting device, a positioning ring and a fixing bolt.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

The applicant believes that sediment, including sediment, floats and the like, often exists near the existing culverts and sluice because of the flowing of water, the sediment can be gradually increased along with the time, and the sediment and the like can be gradually deposited and solidified at the bottoms of the culverts and the sluice, so that the difficulty in cleaning can be caused, the cleaning time and the working strength can be increased, if the culverts and the sluice cannot be cleaned in time, the normal water drainage operation of the culvert sluice can be influenced, and a certain hidden danger exists.

To this end, the applicant proposes a silt blocking apparatus and culvert gate, as shown in fig. 1 to 5, comprising a silt blocking tank 1, a silt blocking and sinking component 2, a filter plate 7 and a plurality of floating rotation plates 5.

Wherein, hinder silt case 1 setting and be in gate 10 one side of intaking and its bottom and culvert floodgate ground butt, hinder the inside cavity installation collection chamber that is provided with of silt case 1 to run through and hinder silt case 1 and be close to and keep away from two face settings of gate 10, be used for installing each subassembly, and be used for collecting silt deposit and floater etc. in the water.

As shown in fig. 1, a filter plate 7 is disposed in the silt blocking tank 1, and a plurality of filter holes for filtering and blocking the silt in the water body and facilitating the water body flow in the silt blocking tank 1 are formed in the filter plate 7.

In this application, filter plate 7's setting is used for blocking the silt thing that gets into and hinders silt case 1, reduces the silt thing and flows to gate 10 department along with the water through hinder silt case 1, simultaneously, the setting of a plurality of filtration pores can make the water can flow between hinder silt case 1 and gate 10, is convenient for hinder silt case 1 to the collection of silt thing.

As shown in fig. 1-2, a plurality of floating rotating plates 5 are correspondingly and rotatably arranged in the silt blocking box 1 and positioned at the front side of the filter plate 7, and are used for collecting floating matters in the water body by matching with the silt blocking box 1 and the filter plate 7.

In this application, a plurality of fender float and rotate board 5 are connected through articulated elements with hinder silt case 1 inner wall for a plurality of fender float and rotate board 5 can just only can rotate to the one side that is close to filter plate 7, like this when the floater in the water flows to a plurality of fender float and rotate board 5 departments along with the water, can support single or a plurality of fender float and rotate board 5 and open along with the activity of water, thereby get into a plurality of fender float and rotate between board 5 and filter plate 7.

When the floater enters the silt blocking box 1 and is positioned between the plurality of floating rotating baffle plates 5 and the filter plate 7, the floater can move along with the water body flow, but the plurality of floating rotating baffle plates 5 can only rotate inwards, so that the floater is difficult to come out of the silt blocking box 1, and the floater can be collected.

Meanwhile, a floater cleaning channel is reserved between the plurality of floating rotating plates 5 and the silt blocking and precipitating frame 201, so that the floaters collected in the silt blocking box 1 can be cleaned conveniently by subsequent cleaning staff.

As shown in fig. 1-3, the silt blocking and settling component 2 comprises a silt blocking and settling frame 201 arranged in the silt blocking box 1, and a plurality of silt blocking and settling grooves 202 arranged on the silt blocking and settling frame 201 and used for blocking and settling silt, and the silt blocking and settling component 2 further comprises a first silt inlet inclined plane 203 and a plurality of silt blocking inclined planes 204.

Wherein, the first silt inlet inclined plane 203 is arranged at the outer side of the silt blocking and depositing frame 201, so that silt deposit can flow along with water body to enter the silt blocking and depositing frame 201, the height difference formed between the first silt inlet inclined plane 203 and the bottom surface of the silt depositing tank 202 is a first preset height, and the included angle formed by the first silt inlet inclined plane 203 and the horizontal direction is a silt inlet included angle.

The plurality of silt blocking inclined planes 204 are formed on one side of the plurality of silt depositing grooves 202 away from the first silt inlet inclined planes 203, and are used for being matched with silt blocking, the height difference formed by the silt blocking inclined planes 204 and the bottom surface of the silt depositing grooves 202 is a second preset height, and the included angle formed by the silt blocking inclined planes 204 and the horizontal direction is a silt blocking included angle.

The second preset heights are not lower than the first preset height, the second preset heights are gradually increased, and the silt blocking included angles are not larger than the silt inlet included angles and are gradually reduced.

In this application, be provided with two desilting grooves 202 on blocking desilting frame 201, two desilting grooves 202 are the trapezoid setting of falling right angle, wherein, the right angle face is the face that is close to first desilting inclined plane 203, and the inclined plane is the face of keeping away from first desilting inclined plane 203, and block desilting inclined plane 204 promptly, and the face between right angle face and the desilting inclined plane 204 is the horizontally desilting face, and block the contained angle and be the contained angle between desilting inclined plane 204 and the desilting face that meets thereof, advance the contained angle and advance the contained angle between the two after the desilting inclined plane 203 and the desilting face extension for first.

Referring to the figure and the actual use condition, when the included angle is in a certain range, the larger the included angle is, the more easy the sludge sediment flows along with the water body to enter the sludge blocking and depositing frame 201, the smaller the included angle is, the more easy the sludge sediment is left on the sludge depositing surface, and the sludge blocking and depositing frame 201 can be conveniently matched with the sludge blocking box 1 and the like to collect the sludge sediment.

Specifically, the included angle of entering the silt is 150-180 degrees, including 150 degrees, but not including 180 degrees, because if the included angle of entering the silt is 180 degrees, the condition that silt deposit is reversed can possibly appear, the collection of the silt deposit is not facilitated, the included angle of blocking the silt is 150-100 degrees, and both the front and the back are included.

In addition, the first predetermined height is the distance between the first silt inlet inclined plane 203 and the adjacent silt depositing surface thereof to the top of the first silt inlet inclined plane 203, the second predetermined height is the distance between the silt blocking inclined plane 204 and the adjacent silt depositing surface thereof to the top of the silt blocking inclined plane 204, and the second predetermined heights and the first predetermined heights are gradually increased according to the illustration and the actual use condition, so that silt blocking and silt depositing can be carried out by matching with the silt blocking inclined plane 204, and the probability that silt deposits flow out of the silt blocking box 1 along with the water body is reduced.

As shown in fig. 1-4, the silt blocking apparatus further comprises a silt inlet frame 9.

Wherein, advance silt frame 9 inserts and locates the one side that hinders silt case 1 and keep away from filter plate 7 for support and close to hinder silt and sink silt frame 201 and hinder silt case 1, advance silt frame 9 bottom and hinder silt case 1 bottom and be in same horizontal plane, advance to be formed with the second on the silt frame 9 and advance silt inclined plane, the second advances silt inclined plane and advance silt inclined plane 203 and be in same surface of water, be used for cooperating first and advance silt inclined plane 203 and be convenient for silt deposit and follow the water flow and advance and hinder on the silt and sink silt frame 201.

In this application, block that silt case 1 kept away from the one side of filter plate 7 and offered at least one slot, advance to be connected with on the silt frame 9 and block that silt frame 9 passes through the picture peg and peg graft with silt case 1, on the one hand, can block that silt sinks silt frame 201 to support tightly in blocking silt case 1, on the other hand, also be convenient for follow-up clearance personnel is through taking off into silt frame 9, then will block that silt sinks silt frame 201 and take out from blocking silt case 1 and clear up etc. simultaneously, advance silt frame 9 and block that silt case 1 bottom all with ground butt, the setting of second advance silt inclined plane can cooperate first advance silt inclined plane 203 be convenient for silt deposit along with the water flows to get into and block that silt sinks silt frame 201.

As shown in fig. 2, the silt blocking apparatus further includes a plurality of split tank plates 3 and a plurality of water outlet tanks 4.

Wherein, a plurality of components of a whole that can function independently boxed plates 3 insert and locate on blocking silt case 1 and be located fender and float the side that changes board 5 and keep away from filter plate 7.

The plurality of water outlet tanks 4 are correspondingly arranged on the plurality of split box plates 3, so that water can flow out of the silt blocking box 1 conveniently.

In this application, be provided with on the silt blocking case 1 with the run through slot of a plurality of components of a whole that can function independently boxboard 3 looks adaptation, be convenient for a plurality of components of a whole that can function independently boxboard 3 insert and block silt case 1 in the silt blocking case 1 with the front portion closure to a plurality of components of a whole that can function independently boxboard 3 bottoms all advance silt inclined plane 203 looks adaptation with first.

When a user needs to clean the inside of the silt blocking box 1, the plurality of split box plates 3 are required to be inserted into the silt blocking box 1 through penetrating slots, so that the bottoms of the plurality of split box plates 3 are tightly abutted against the surface of the first silt inlet inclined plane 203, silt sediment, floaters and the like collected in the silt blocking box 1 can be blocked by matching the filter plates 7 and the silt blocking box 1 when the subsequent silt blocking box 1 is lifted out of a water body, the possibility that the silt sediment leaks out of the silt blocking box 1 is reduced, after the silt blocking box 1 is lifted out of the water surface, the plurality of split box plates 3 are taken out of the silt blocking box 1, cleaning staff can clean the silt sediment in the silt blocking box 1, firstly, cleaning staff can clean the silt sediment conveniently, the condition that the silt sediment is difficult to clean because the sediment is deposited and solidified at the bottom of a culvert and a sluice is reduced, and the working intensity of the cleaning staff is lightened.

In addition, the split box plate 3 is provided in plurality for reducing weight, so that the split box plate is convenient for a user to assemble and disassemble.

As shown in fig. 1-4, the silt blocking apparatus further comprises a back frame 6 and a plurality of mounting holes 8.

Wherein, back frame 6 is installed in hinder silt case 1 and keep away from to advance on silt frame 9 one side for the cooperation hinders silt and sinks silt part 2 and hinders silt, and back frame 6 and filter plate 7 are last to have seted up a plurality of mounting holes 8 that are used for external equipment correspondingly.

In this application, the bottom of the filter plate 7 is higher than the silt blocking and settling frame 201, so that the floats and the like can be filtered conveniently, and the floats and the like are blocked in the silt blocking box 1.

The culvert gate comprises a silt blocking device in the embodiment, as shown in fig. 1-5, a culvert, a gate 10, a plurality of fixing bolts 13, a plurality of nuts and a lifting device 11.

Wherein, the culvert is built by bricks, stones, concrete or reinforced concrete.

The gate 10 is arranged in the culvert, a plurality of fixing bolts 13 matched with the mounting holes 8 are arranged on the gate 10, and nuts are connected with the end parts of the fixing bolts 13 in a threaded manner and are used for fixing the gate 10 and the silt blocking box 1 in a matched mode.

A lifting device 11 is connected to the gate 10 for lifting the gate 10.

In this application, the structure of the gate 10 and the lifting device 11 can refer to the prior art, the lifting device 11 can be a common motor, a wire rope, or a screw, a screw sleeve, a lifter, etc. for lifting the gate 10, and the fixing bolt 13 and the nut are used for installing the gate 10 and the silt blocking box 1.

During installation, the back frame 6 is clamped on the fixing bolts 13 through the plurality of mounting holes 8, the silt blocking box 1 is clamped on the fixing bolts 13 through the plurality of mounting holes 8 and is abutted against the back frame 6, the filter plate 7 is clamped on the fixing bolts 13 through the plurality of mounting holes 8 and is abutted against the inner wall of the silt blocking box 1, the nuts are correspondingly screwed on the end parts of the fixing bolts 13, and the filter plate 7, the silt blocking box 1 and the back frame 6 are abutted against and fixed on the fixing bolts 13, so that the silt blocking box 1 and the like can be installed on one water inlet side of the gate 10.

As shown in fig. 1, the culvert gate further includes a plurality of retaining rings 12.

Wherein, a plurality of locating rings 12 are correspondingly installed at the preset positions of a plurality of fixing bolts 13 and are abutted against the back frame 6, and are used for locating the installation of the silt blocking box 1 and the gate 10 and reserving a water outlet circulation space.

In this application, setting up of holding ring 12 is convenient for hinder silt case 1 card in dead bolt 13 preset position department, simultaneously, can form the water circulation passageway between back of the body frame 6 and gate 10, and the silt deposit of being convenient for, floater etc. can get into and hinder silt incasement 1, if hinder silt case 1 and keep away from one side of advancing silt frame 9 and seal, perhaps support tightly with gate 10 outer wall, influence water and silt deposit, floater etc. easily and get into and hinder silt incasement 1, be unfavorable for hinder silt case 1 to collect silt deposit and floater etc. in the water.

Working principle: normally, the silt blocking box 1 is connected with the gate 10 and is positioned in water, silt sediments, floaters and the like can enter the silt blocking box 1 along with the water flow to be collected, before the flood season arrives, a plurality of split box plates 3 are inserted into the silt blocking box 1 through penetrating slots and are abutted against the first silt inlet inclined plane 203, then the gate 10 is lifted by the lifting device 11, the silt blocking box 1 can be lifted from the water along with the gate 10 under the driving of a plurality of mounting holes 8, in the process, the water can flow out from a plurality of water outlet grooves 4, and the silt sediments, floaters and the like can be remained in the silt blocking box 1 under the blocking of the components such as the silt blocking box 1, a plurality of split box plates 3, filter plates 7 and the like.

When the silt blocking box 1 is separated from the water surface and lifted, a plurality of split box plates 3 are pulled out from the silt blocking box 1, silt sediments, floaters and the like flow out from the silt blocking box 1, cleaning staff can set a collecting device below the silt blocking box 1, can pull out the silt inlet frame 9 from the silt blocking box 1, then take out the silt blocking and sinking frame 201 from the silt blocking box 1 and the like, clean the silt blocking and sinking frame 201, the filter plates 7 and the like, and can also take down the silt blocking box 1 from the gate 10 for avoiding influencing the water leakage in the flood season, and install the silt blocking box 1 on the gate 10 after waiting for the water leakage to be completed.

As above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. A silt blocking apparatus, comprising:

a silt blocking box;

the silt blocking and settling component comprises a silt blocking and settling frame arranged in the silt blocking box and a plurality of silt blocking and settling grooves which are arranged on the silt blocking and settling frame and used for blocking and settling silt;

the filter plate is arranged in the silt blocking box, and a plurality of filter holes for filtering and blocking sediment in the water body and facilitating the flow of the water body in the silt blocking box are formed in the filter plate;

the plurality of floating baffle rotating plates are correspondingly arranged in the silt blocking box and positioned at the front side of the filter plate in a rotating way and are used for being matched with the silt blocking box and the filter plate to collect floating matters in the water body.

2. A silt blocking apparatus according to claim 1, wherein: the silt blocking and sinking component further comprises:

the first silt inlet inclined plane is arranged on the outer side of the silt blocking and depositing frame, silt sediments conveniently enter the silt blocking and depositing frame along with the flow of water, the height difference formed between the first silt inlet inclined plane and the bottom surface of the silt depositing tank is a first preset height, and an included angle formed by the first silt inlet inclined plane and the horizontal direction is a silt inlet included angle.

3. A silt blocking apparatus according to claim 2, wherein: the silt blocking and sinking component further comprises:

the silt blocking inclined planes are formed on one sides of the silt sinking grooves far away from the first silt inlet inclined planes and are used for being matched with silt blocking, the height difference formed by the silt blocking inclined planes and the bottom surfaces of the silt sinking grooves is a second preset height, and the included angle formed by the silt blocking inclined planes and the horizontal direction is a silt blocking included angle.

4. A silt blocking apparatus according to claim 3, wherein: the second preset heights are not lower than the first preset height, the second preset heights are gradually increased, the silt blocking included angles are not larger than the silt inlet included angles, and the silt blocking included angles are gradually reduced.

5. A silt blocking apparatus according to claim 1, wherein: further comprises:

the silt inlet frame is inserted into one side of the silt blocking box away from the filter plate and used for propping against the silt blocking and depositing frame and the silt blocking box, the bottom of the silt inlet frame and the bottom of the silt blocking box are positioned on the same horizontal plane, a second silt inlet inclined plane is formed on the silt inlet frame, and the second silt inlet inclined plane and the first silt inlet inclined plane are positioned on the same water surface and used for being matched with the first silt inlet inclined plane to facilitate silt sediment to flow along with the water body to enter the silt blocking and depositing frame.

6. A silt blocking apparatus according to claim 1, wherein: further comprises:

the split box plates are inserted into the silt blocking box and are positioned at one side of the floating blocking rotating plate away from the filter plate;

the water outlet tanks are correspondingly arranged on the split box plates, so that water can flow out of the silt blocking box conveniently.

7. A silt blocking apparatus according to claim 1, wherein: further comprises:

the back frame is arranged on one surface of the silt blocking box, which is far away from the silt entering frame, and is used for being matched with the silt blocking and sinking component to block silt, and a plurality of mounting holes for external equipment are correspondingly formed in the back frame and the filter plate.

8. A culvert gate comprising a silt blocking apparatus according to any one of claims 1 to 7, characterised in that: further comprises:

culverts are built by bricks, stones, concrete or reinforced concrete;

the gate is arranged in the culvert, a plurality of fixing bolts matched with the mounting holes are arranged on the gate, and nuts are connected to the end parts of the fixing bolts in a threaded manner and are used for fixing the gate and the silt blocking box in a matched mode;

and the lifting device is connected to the gate and used for lifting the gate.

9. The culvert gate of claim 8 wherein: further comprises:

the positioning rings are correspondingly arranged at the preset positions of the fixing bolts and are abutted against the back frame, and are used for positioning the installation of the silt blocking box and the gate and reserving a water circulation space.