Integrated shoulder protection slipform hopper with concrete blocking prevention function

Abstract

The application belongs to the technical field of road shoulder slip form, and specifically relates to an integrated shoulder protection slip form hopper with a concrete clumping prevention function, which comprises a stock bin and a screw feeder, the top of the stock bin is provided with a moisturizing cover plate, the moisturizing cover plate comprises a fixed cover plate and a movable cover plate in sliding fit, the bottom of the fixed cover plate is provided with a first sealing strip for sealing the inner side end and the front and rear ends of the top of the stock bin, the outer side of the bottom of the movable cover plate is provided with two second sealing strips in front and back opposite distribution through a rotating shaft, a spraying channel is symmetrically arranged inside the movable cover plate, and the bottom of the spraying channel is provided with a spraying hole. The moisturizing cover plate has the advantages of reducing water loss of the stock bin, spraying water flow into the stock bin and cooling the stock bin, and can prevent concrete clumping, thereby solving the problem of easy clumping of concrete in the stock bin in the prior art.

Description

Technical Field

[0001] This invention relates to the field of road shoulder slipforming technology, specifically to an integrated shoulder slipforming hopper with anti-concrete caking function. Background Technology

[0002] Currently, during the slipform construction of road shoulders, the hopper is open. In hot weather, the concrete inside the hopper, especially the top layer, experiences severe moisture loss. Simultaneously, the hopper is exposed to direct sunlight, raising its overall temperature and exacerbating moisture loss. This leads to the concrete easily caking, affecting not only the conveyor's transport efficiency but also the compaction and molding processes, ultimately impacting the final shoulder formation. Therefore, this application provides an integrated shoulder slipform hopper with anti-concrete caking functionality. Summary of the Invention

[0003] To solve the above-mentioned technical problems, this invention proposes an integrated shoulder slipform hopper with anti-concrete clumping function. This invention maintains the water content of the concrete by effectively moisturizing the concrete in the hopper, spraying water flow, and cooling the hopper wall, thereby achieving the effect of preventing concrete clumping.

[0004] The technical solution of this invention is implemented as follows:

[0005] An integrated shoulder slipform hopper with anti-concrete caking function includes a hopper and a screw feeder. The top of the hopper is equipped with a moisture-retaining cover, which includes a fixed cover and a movable cover that slide together. The bottom of the fixed cover has a first sealing strip that seals the inner end and front and rear ends of the top of the hopper. Two second sealing strips, arranged opposite each other, are mounted on the outer side of the bottom of the movable cover via a rotating shaft. When the movable cover is closed, the second sealing strips have a first state of being pressed against the top surface of the front and rear ends of the hopper, and a second state of being pressed against the outer top surface of the hopper and displaced outwards. A spray channel is symmetrically arranged inside the movable cover, with spray holes at the bottom, and the spray channel is located within the circumference of the second sealing strips. A water supply assembly includes a first water outlet channel for supplying water to the spray channel when the movable cover is closed, a second water outlet channel for rinsing the outer side of the second sealing strip in the first state, and a third water outlet channel for rinsing the side of the second sealing strip away from the center of the hopper in the second state.

[0006] Furthermore, it also includes: an overflow channel, which is located in the middle of the movable cover plate and connects the spray channels on both sides, and the outer end of the overflow channel passes through the movable cover plate; a water guide plate, which is fixedly installed on the top of the side wall of the silo and is used to receive water flowing out from the outer end of the overflow channel, and overflow holes are evenly provided on the bottom of the water guide plate near the side wall of the silo.

[0007] Furthermore, the water supply assembly is slidably disposed on the hopper, and the water supply assembly includes: a square tube disposed on the front and rear sides of the movable cover plate; a valve body having a wedge-shaped structure with the tip facing inward and slidably disposed inside the square tube; a valve stem fixed to the outer end of the valve body, and the outer end of the valve stem extending out of the square tube; a valve spring sleeved on the valve stem, with both ends of the valve spring fixed to the valve body and the square tube respectively; the valve body blocks the water flow in the square tube from the first water outlet channel, and the valve body allows the water flow in the square tube to enter the first water outlet channel by displacing inward inside the square tube.

[0008] Furthermore, it also includes a baffle plate, which is fixedly installed on the outer top surface of the silo. When the water supply assembly moves outward, the baffle plate first pushes the valve stem into the square tube, and then pushes the square tube to close the second water outlet channel and the third water outlet channel.

[0009] Furthermore, the inner end of the square tube is connected to a flexible hose for an external water pump, the top of the outer end of the square tube is provided with an insert, and the side of the square tube is provided with an outlet communicating with the second water outlet channel; the water supply assembly also includes: a sliding sleeve, which is slidably fitted outside the square tube, and the second water outlet channel and the third water outlet channel are respectively provided on the outer end and side of the sliding sleeve; an inlet pipe, which is fixedly installed on the outer end of the movable cover plate, and one end of the inlet pipe is connected to the spray channel; the insert forms the first water outlet channel by inserting into the inlet pipe, and the sliding sleeve moves outward outside the square tube so that the third water outlet channel communicates with the outlet.

[0010] Furthermore, it also includes a power unit installed on the hopper, the output end of which is connected to the sliding sleeve to drive the sliding sleeve to move.

[0011] Furthermore, the water supply assembly also includes: a sliding groove disposed on both sides inside the sliding sleeve; a slider slidably disposed in the sliding groove and fixedly connected to both sides of the square tube; and a storage spring disposed in the sliding groove, with both ends of the storage spring connected to the inner wall of the sliding groove and the slider, respectively. When the square tube moves inward inside the sliding sleeve, the storage spring is stretched.

[0012] Further, when the second sealing strip is in the first state and the second state, the front and rear side surfaces of the sliding sleeve are respectively in contact with the first sealing strip and the second sealing strip. Grooves are provided on the top surfaces of the front and rear ends of the silo, and the bottom of the sliding sleeve is slidably arranged in the grooves.

[0013] Further, it further includes a driving component. The driving component includes: a retaining rod, in a "U" shape and slidably installed in the movable cover plate. Two ends of the retaining rod extend to the inner and outer sides of the water supply component; a gear, fixedly sleeved outside the rotating shaft, and the gear is located inside the movable cover plate; a rack, slidably installed in the movable cover plate, meshing with the gear and fixedly connected to the outer end of the retaining rod; the water supply component pushes the retaining rod outward or inward, so that the second sealing strip is in the first state and the second state.

[0014] Further, it further includes an electric push rod. The fixed end of the electric push rod is slidably installed on the top of the fixed cover plate in the inner and outer direction, and the movable end of the electric push rod is fixedly connected to the top of the movable cover plate.

[0015] The present invention has the following beneficial effects:

[0016] 1. By setting the moisture-proof cover plate, during the process of subgrade forming and adding concrete to the silo, the water loss in the silo can be reduced, the moisture-keeping effect of the concrete can be improved, and thus the effect of preventing the concrete in the silo from caking in a high-temperature environment can be achieved.

[0017] 2. By setting the spray channel and spray holes, water is supplied into the spray channel by a water pump externally connected by a hose, and the water sprays on the concrete in the silo through the spray holes, replenishing water to the concrete in a high-temperature environment, and thus achieving the effect of preventing the concrete in the silo from caking. In addition, by setting the overflow channel, the water diversion plate and the overflow hole, the excess water in the spray channel can be discharged and slide down along the wall of the silo, realizing the cooling of the silo, and further realizing the function of preventing the concrete in the silo from caking.

[0018] 3. By setting the second sealing strip to be rotatable, when the second sealing strip rotates, it sweeps across the lower surface of the movable cover plate, which can remove the concrete at the bottom of the spray holes, avoid the blockage of the spray holes, ensure that the spraying effect is not affected by the concrete, and ensure long-term and effective operation.

[0019] 4. By setting the second water outlet channel and the third water outlet channel, the concrete adhered to the lower surface of the movable cover plate when the second sealing strip sweeps can be flushed. At the same time, during the closing process of the movable cover plate, the friction between the second sealing strip and the top surface outside the silo is reduced, and its service life is improved. Description of the Drawings

[0020] Figure 1This is a schematic diagram of the structure of one embodiment of this application;

[0021] Figure 2 This application Figure 1 Enlarged view of point A in the image;

[0022] Figure 3 This is a schematic diagram of the water intake plate of this application;

[0023] Figure 4 This application Figure 1 The front view;

[0024] Figure 5 This application Figure 4 Enlarged view of point B in the image;

[0025] Figure 6 This application Figure 4 Enlarged view of point C in the image;

[0026] Figure 7 This application Figure 1 A schematic diagram with the fixed cover plate hidden in the middle;

[0027] Figure 8 This application Figure 7 Enlarged view of point D in the image;

[0028] Figure 9 This is a schematic diagram of the activity cover plate after it has been cut open;

[0029] Figure 10 This application Figure 9 Enlarged view of point E in the image;

[0030] Figure 11 This is an overall schematic diagram of the sliding sleeve and square tube of this application;

[0031] Figure 12 This application Figure 11 A sectional view.

[0032] In the diagram: 1. Hopper; 2. Screw feeder; 3. Fixed cover plate; 4. Movable cover plate; 5. Electric push rod; 6. First sealing strip; 7. Second sealing strip; 8. Spray channel; 9. Spray hole; 10. Water inlet pipe; 11. Square tube; 12. Flexible hose; 13. Overflow channel; 14. Water guide plate; 15. Overflow hole; 16. Rotating shaft; 17. Sliding sleeve; 18. Second water outlet channel; 19. Third water outlet channel; 20. Power unit;

[0033] 21. Drive assembly; 21.1. Gear; 21.2. Rack; 21.3. Stop lever; 21.4. Push block;

[0034] 22. Insertion tube; 23. Slide groove; 24. Storage spring; 25. Valve body; 26. Valve stem; 27. Valve spring; 28. Baffle; 29. ​​Outlet. Detailed Implementation

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] like Figure 1 , Figure 4 and Figure 7 As shown, this application proposes an integrated shoulder slipform hopper with anti-concrete caking function, including a hopper 1 and a screw feeder 2, with a moisture-retaining cover plate on the top of the hopper 1.

[0037] The moisture-retaining cover includes:

[0038] like Figure 1 , Figures 4 to 7 As shown, a fixed cover plate 3 and a movable cover plate 4 are slidably fitted. The bottom of the fixed cover plate 3 is provided with a first sealing strip 6 that seals the inner end of the top of the hopper 1 and the front and rear ends. The outer side of the bottom of the movable cover plate 4 is equipped with two second sealing strips 7 that are distributed in opposite directions in front and behind through a rotating shaft 16.

[0039] The fixed cover plate 3 is fixedly installed on the top of the silo 1. The fixed cover plate 3 has a "U" shape structure and covers the inner half of the open area at the top of the silo 1. When the movable cover plate 4 is closed, it covers the outer half of the open area at the top of the silo 1. The fixed cover plate 3 and the movable cover plate 4, together with the first sealing strip 6 and the second sealing strip 7, improve the sealing performance of the silo 1, reduce the loss of moisture from the concrete in the silo 1, and thus achieve the effect of preventing concrete from clumping.

[0040] When the movable cover plate 4 is closed, the second sealing strip 7 has a first state of being pressed against the top surface of the front and rear ends of the hopper 1 and a second state of being pressed against the top surface of the outer side of the hopper 1 and displacing outward.

[0041] like Figure 9 and Figure 10 As shown, the spray channel 8 is symmetrically arranged inside the movable cover plate 4. The bottom of the spray channel 8 is provided with spray holes 9, and the spray channel 8 is located within the circumference of the second sealing strip 7.

[0042] The second sealing strip 7 sweeps across the spray channel 8 during rotation, which can remove the concrete near the spray hole 9 and prevent the spray hole 9 from being blocked.

[0043] like Figure 5 , Figure 11 and Figure 12 As shown, the water supply assembly includes a first water outlet channel for supplying water to the spray channel 8 when the movable cover 4 is closed, a second water outlet channel 18 for rinsing the outer side of the second sealing strip 7 when it is in the first state, and a third water outlet channel 19 for rinsing the side of the second sealing strip 7 away from the center of the hopper 1 when it is in the second state.

[0044] Before the movable cover 4 is fully closed, the second sealing strip 7 switches from the first state to the second state. Water from the water supply assembly sprays out from the second water outlet channel 18 to rinse the concrete adhering to the second sealing strip 7 when the concrete under the movable cover 4 is scraped. When the second sealing strip 7 is in the first state and moves outward with the movable cover 4, the second sealing strip 7 moves on the outer top surface of the hopper 1. Water from the water supply assembly sprays out from the third water outlet channel 19 to rinse the second sealing strip 7 and the outer top surface of the hopper 1. This not only removes the concrete adhering to the second sealing strip 7, but also reduces the friction between the second sealing strip 7 and the outer top surface of the hopper 1 by rinsing the outer top surface of the hopper 1.

[0045] After the movable cover plate 4 is closed, when it is necessary to humidify the concrete in the silo 1, water can be supplied into the spray channel 8 through the water supply component. The water flows out from the spray hole 9 onto the concrete to prevent the concrete from clumping.

[0046] like Figure 6 and Figure 9 As shown, the integrated shoulder slipform hopper with anti-concrete caking function of this application further includes: an overflow channel 13, which is disposed in the middle of the movable cover plate 4, connecting the spray channels 8 on both sides, and the outer end of the overflow channel 13 penetrates the movable cover plate 4; as Figure 1 and Figure 3 As shown, the water guide plate 14 is fixedly installed on the top of the side wall of the silo 1 to receive water flowing out from the outer end of the overflow channel 13, and overflow holes 15 are evenly arranged on the bottom of the water guide plate 14 near the side wall of the silo 1.

[0047] With this configuration, the water flowing into the spray channel 8 will flow out through the overflow channel 13 to the outer top surface of the silo 1. The water flowing from the second water outlet channel 18 and the third water outlet channel 19 when rinsing the second sealing strip 7 will also flow out to the outer top surface of the silo 1. This part of the water flow can eventually enter the water guide plate 14 and flow along the water guide plate 14 while passing through each overflow hole 15 to the side wall of the silo 1, thereby cooling the silo 1 and improving the effect of preventing concrete from caking.

[0048] like Figure 12As shown in this application, the water supply assembly is slidably disposed on the silo 1, and the water supply assembly includes: a square tube 11 disposed on the front and rear sides of the movable cover plate 4; a valve body 25 having a wedge-shaped structure with the tip facing inward, slidably disposed inside the square tube 11; a valve stem 26 fixedly connected to the outer end of the valve body 25, and the outer end of the valve stem 26 extending out of the square tube 11; and a valve spring 27 sleeved on the valve stem 26, with both ends of the valve spring 27 fixedly connected to the valve body 25 and the square tube 11 respectively; the valve body 25 blocks the water flow in the square tube 11 from the first water outlet channel, and the valve body 25 allows the water flow in the square tube 11 to enter the first water outlet channel by displacing inward inside the square tube 11.

[0049] When the movable cover plate 4 is not completely closed, the valve body 25 is located at the outermost position inside the square tube 11 under the action of the valve spring 27. At this time, the valve body 25 blocks the water flow in the square tube 11 from the first water outlet channel. Therefore, during the process of rinsing the second sealing strip 7 in the second water outlet channel 18 and the third water outlet channel 19, the water flow in the square tube 11 will not enter the first water outlet channel and flow out.

[0050] After the movable cover plate 4 is completely closed, simply squeeze the valve stem 26 inward. The valve stem 26 drives the valve body 25 to move inward in the square tube 11, so that the water in the square tube 11 can enter the first water outlet channel. Then, the valve body 25 can be used to control the opening and closing of the first channel.

[0051] like Figure 12 As shown, specifically in this embodiment, the square tube 11 has a through hole inside, through which the valve stem 26 passes. The inner diameter of the through hole is larger than the outer diameter of the valve stem 26, and the outer end of the valve body 25 blocks the through hole. When the valve body 25 moves inward and disengages from the inner opening of the through hole, the water flowing from the hose 12 into the square tube 11 will pass through the through hole and then enter the first water outlet channel.

[0052] like Figure 5 and Figure 8 As shown, it further includes a baffle 28, which is fixedly installed on the outer top surface of the silo 1. When the water supply component moves outward, the baffle 28 first pushes the valve stem 26 into the square tube 11, and then pushes the square tube 11 to close the second water outlet channel 18 and the third water outlet channel 19.

[0053] By setting baffle 28, the water supply component moves outward, and baffle 28 presses the valve stem 26 inward, opening the first water outlet channel. Simultaneously, when the first water outlet channel is fully open, the outer end of the valve stem 26 is flush with the outer surface of the square tube 11. As the water supply component continues to move outward, baffle 28 presses the square tube 11 inward, causing the square tube 11 and valve body 25 to move inward as a whole. During this process, the second water outlet channel 18 and the third water outlet channel 19 are closed, leaving only the first water outlet channel open. Thus, the water flow in the square tube 11 supplies water solely to the first water outlet channel. When spraying is needed, an external water pump is activated, and the water flows through the square tube 11 and then into the spray channel 8 through the first water outlet channel, achieving the spraying effect.

[0054] like Figure 1 , Figure 2 and Figure 8 As shown in this application, the inner end of the square tube 11 is connected to a hose 12 for an external water pump, and the top of the outer end of the square tube 11 is provided with an inverted "L"-shaped insertion tube 22. The side of the square tube 11 is provided with an outlet 29 that communicates with the second water outlet channel 18. The water supply assembly also includes: a sliding sleeve 17, which is slidably sleeved on the outside of the square tube 11, and the second water outlet channel 18 and the third water outlet channel 19 are respectively provided on the outer end and side of the sliding sleeve 17; an inlet pipe 10, which is fixedly installed on the outer end of the movable cover plate 4, and one end of the inlet pipe 10 is connected to the spray channel 8; the insertion tube 22 forms the first water outlet channel by inserting into the inlet pipe 10, and the sliding sleeve 17 moves outward outside the square tube 11 so that the third water outlet channel 19 communicates with the outlet 29.

[0055] By sliding the water supply component onto the hopper 1, when rinsing the second sealing strip 7 in the second state, the water supply component moves outward along the second sealing strip 7 while keeping the movable cover plate 4 stationary, thus effectively rinsing all parts of the second sealing strip 7. At the same time, the outward displacement of the water supply component flushes the sewage remaining on the top surfaces of the front and rear ends of the hopper 1 outward from the top of the hopper 1, preventing sewage from remaining on the top surfaces of the front and rear ends of the hopper 1.

[0056] During the outward displacement of the water supply component, the insertion tube 22 is separated from the inlet pipe 10. At this time, the first outlet channel is closed, and the outlet 29 is connected to the second outlet channel 18.

[0057] When the water supply assembly moves to the outer end of the second sealing strip 7, the insertion tube 22 is inserted into the water inlet pipe 10, thus connecting with the water inlet pipe 10 and forming the first water outlet channel. After the insertion tube 22 is inserted into the water inlet pipe 10, as the assembly continues to move outward, the water inlet pipe 10 limits the square pipe 11 by blocking the insertion tube 22, thereby causing the sliding sleeve 17 to move outward outside the square pipe 11, connecting the third water outlet channel 19 with the water outlet 29. At this time, simply switching the second sealing strip 7 to the first state allows for simultaneous rinsing of the outer surface of the second sealing strip 7 and the top surface of the outer side of the hopper 1. During the rinsing process, the water supply assembly and the movable cover plate 4 move outward synchronously, and the rinsing of the top surface of the outer side of the hopper 1 reduces friction on the second sealing strip 7.

[0058] like Figure 8 As shown in this embodiment, the integrated shoulder slipform hopper with anti-concrete caking function of this application also includes a power unit 20, which is installed on the hopper 1. The output end of the power unit 20 is connected to the sliding sleeve 17 and is used to drive the sliding sleeve 17 to move. Specifically, the power unit 20 includes a motor, a synchronous belt assembly, a lead screw, and a lead sleeve. The lead sleeve is fixedly installed on the top of the sliding sleeve 17, the lead screw is rotatably installed on the top surface of the front and rear ends of the hopper 1, and the lead screw and the lead sleeve are threadedly engaged. The motor is installed on the top of the side wall of the hopper 1, and the synchronous belt assembly connects the output shaft of the motor to the outer end of the lead screw. By starting the motor to rotate forward or reverse, the water supply assembly can be controlled to move inward or outward.

[0059] like Figure 12 As shown, in this embodiment, the water supply assembly further includes: a slide groove 23, which is disposed on both sides inside the slide sleeve 17; a slider, which is slidably disposed in the slide groove 23 and is fixedly connected to both sides of the square tube 11; and a storage spring 24, which is disposed in the slide groove 23 and whose two ends are respectively connected to the inner wall of the slide groove 23 and the slider. When the square tube 11 moves inward in the slide sleeve 17, the storage spring 24 is stretched.

[0060] By setting up a storage spring 24, the elastic force of the storage spring 24 is used to keep the square tube 11 in the outermost position of the sliding sleeve 17 in the initial state. At this time, the water outlet 29 remains in communication with the second water outlet channel 18. The cooperation between the sliding groove 23 and the slider stably slides the square tube 11 within the sliding sleeve 17.

[0061] like Figure 8 As shown, in the first and second states, the front and rear sides of the sliding sleeve 17 are respectively in contact with the first sealing strip 6 and the second sealing strip 7. The top surface of the front and rear ends of the hopper 1 is provided with grooves, and the bottom of the sliding sleeve 17 is slidably disposed in the grooves. By providing grooves, the stability of the water supply component during displacement can be improved. At the same time, the grooves can also collect the sewage generated when rinsing the second sealing strip 7 in the second state, thereby improving the sewage discharge effect.

[0062] like Figure 9 and Figure 10 As shown, the integrated shoulder slipform hopper with anti-concrete caking function of this application also includes a drive assembly 21. The drive assembly 21 includes: a stop bar 21.3, which is "U"-shaped and slidably installed inside the movable cover plate 4, with both ends of the stop bar 21.3 extending to the inner and outer sides of the water supply assembly; a gear 21.1, which is fixedly sleeved outside the rotating shaft 16 and is located inside the movable cover plate 4; and a rack 21.2, which is slidably installed inside the movable cover plate 4, meshes with the gear 21.1, and is fixedly connected to the outer end of the stop bar 21.3. The water supply assembly pushes the stop bar 21.3 outward or inward, so that the second sealing strip 7 is in a first state and a second state.

[0063] This configuration allows the water supply component to directly adjust the second sealing strip 7 between the first and second states, thereby better combining the second water outlet channel 18 and the third water outlet channel 19 with the two states of the second sealing strip 7 and achieving the rinsing function of the second sealing strip 7.

[0064] like Figure 1 As shown, the integrated shoulder slipform hopper with anti-concrete caking function of this application also includes an electric push rod 5. The fixed end of the electric push rod 5 is slidably installed on the top of the fixed cover plate 3 in the inward and outward directions, and the movable end of the electric push rod 5 is fixedly connected to the top of the movable cover plate 4.

[0065] In this embodiment, when the electric push rod 5 pushes the movable cover 4 outward to close, when the electric push rod 5 extends outward to its longest state, the second sealing strip 7 is pressed against the inner edge of the outer top surface of the hopper 1. At this time, the movable cover 4 is not completely closed.

[0066] Furthermore, after the water supply component moves to the outermost position and the second sealing strip 7 switches from the second state to the first state by pushing the stop lever 21.3, the water supply component pushes the movable cover 4 to continue moving outward through the stop lever 21.3 until the movable cover 4 is completely closed. During this process, the electric push rod 5 moves outward with the movable cover 4 to the outermost position.

[0067] Specifically, in this embodiment, a push block 21.4 for pushing the stop lever 21.3 is fixedly provided on the top of the sliding sleeve 17.

[0068] After making the above settings, when using the integrated shoulder slipform hopper with concrete caking function of this application, it can be operated as follows:

[0069] When opening the humidifying cover:

[0070] Step 1: Start the motor and rotate it forward. The power unit 20 causes the sliding sleeve 17 to move inward, the push block 21.4 to move inward and separate from the stop lever 21.3, until the sliding sleeve 17 moves inward to its limit position.

[0071] Step 2: Activate the electric push rod 5. When its movable end pulls the movable cover plate 4 inward, its fixed end receives a reverse pulling force, and the fixed end of the electric push rod 5 moves outward to the outermost position on the fixed cover plate 3. Then, the movable end of the electric push rod 5 pulls the movable cover plate 4 inward until the movable cover plate 4 is fully open. At this time, the push block 21.4 is located between the two ends of the stop rod 21.3, the second sealing strip 7 is in the first state, the insertion tube 22 is separated from the inlet pipe 10, the outlet 29 is connected to the second outlet channel 18, and the valve body 25 is located at the outermost position inside the square tube 11.

[0072] When closing the moisture-retaining cover:

[0073] Step 1: Activate the electric push rod 5. When its movable end pushes the movable cover plate 4 outward, its fixed end receives a reverse thrust, causing the fixed end of the electric push rod 5 to move inward to the innermost position on the fixed cover plate 3. Then, the movable end of the electric push rod 5 pushes the movable cover plate 4 outward. During this process, the movable cover plate 4 drives the stop rod 21.3 outward. The inner end of the stop rod 21.3 contacts the push block 21.4 and is blocked. The push block 21.4 allows the stop rod 21.3 to move inward relative to the movable cover plate 4. Thus, the stop rod 21.3 drives the rack 21.2 inward. The rack 21.2 drives the second sealing strip 7 from the first state to the second state via the gear 21.1. During this process, the second sealing strip 7 sweeps across the lower surface of the movable cover plate 4, carrying away concrete.

[0074] Step 2: Start the motor and reverse it. The power unit 20 causes the sliding sleeve 17 to move outward. At this time, the sliding sleeve 17 and the movable cover plate 4 move outward synchronously. During this process, start the external water pump. The water flows through the square pipe 11 and the outlet 29, and then through the second water outlet channel 18 to rinse the side of the second sealing strip 7 away from the center of the hopper 1. The wastewater generated by rinsing flows into the water inlet plate 14 after being guided by the groove.

[0075] When the movable end of the electric push rod 5 extends outward to its longest position, the electric push rod 5 stops, while the sliding sleeve 17 continues to move outward. During the outward movement of the sliding sleeve 17 relative to the second sealing strip 7, the side of the second sealing strip 7 away from the center of the hopper 1 is rinsed from the inside out.

[0076] When the push block 21.4 contacts the outer end of the stop lever 21.3, the push block 21.4 pushes the stop lever 21.3 outward, and the stop lever 21.3 drives the rack 21.2 to move outward. The rack 21.2 drives the second sealing strip 7 from the second state to the first state through the gear 21.1 and the rotating shaft 16.

[0077] During the switching of the second sealing strip 7, the insertion tube 22 is inserted into the water inlet end of the water inlet pipe 10. When the second sealing strip 7 switches to the first state, the water inlet pipe 10 blocks the insertion tube 22 from moving outward, causing the square tube 11 to move inward relative to the sliding sleeve 17. The water outlet 29 switches from being connected to the second water outlet channel 18 to being connected to the first water outlet channel, and the first water outlet channel faces the outer side of the second sealing strip 7.

[0078] Subsequently, as the sliding sleeve 17 continues to move outward, the push block 21.4 pushes the stop rod 21.3 outward, causing the stop rod 21.3 to drive the movable cover plate 4 to continue to move outward. During this process, the water flow sprayed from the first water outlet channel simultaneously washes the outer side of the second sealing strip 7 and the top surface of the outer side of the hopper 1, and the movable cover plate 4 pulls the electric push rod 5 to move outward at the top of the fixed cover plate 3.

[0079] After the outer end of the valve stem 26 contacts the baffle 28, as the sliding sleeve 17 and the movable cover plate 4 continue to move outward as a whole, the valve stem 26 will drive the valve body 25 to move inward inside the square tube 11, so that the water flow in the square tube 11 can enter the first water outlet channel.

[0080] Subsequently, after the valve stem 26 is fully pressed into the square tube 11 by the baffle 28, as the sliding sleeve 17 and the movable cover 4 continue to move outward as a whole, the baffle 28 will push the square tube 11 to move inward within the sliding sleeve 17, causing the outlet 29 to move to the rear side of the third water outlet channel 19 and be blocked by the inner wall of the sliding sleeve 17. The insertion tube 22 will move inward a certain distance within the inlet pipe 10, while remaining inserted in the inlet pipe 10. At this time, the water flow in the square tube 11 can all enter the first water outlet channel until the sliding sleeve 17 moves outward to the outermost position, and the movable cover 4 closes.

[0081] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An integrated shoulder protection slipform hopper with anti-concrete blocking function, comprising a stock bin (1) and a screw feeder (2), characterized in that, The top of the bin (1) is provided with a moisturizing cover plate, which comprises: A slidingly fitted fixed cover plate (3) and a movable cover plate (4), the bottom of the fixed cover plate (3) is provided with a first sealing strip (6) that seals the inside end and the front and rear ends of the top of the bin (1); the outside of the bottom of the movable cover plate (4) is installed with two second sealing strips (7) that are distributed in front of and behind each other through a rotating shaft (16); The second sealing strip (7) has a first state of being pressed against the top surface of the front and rear ends of the bin (1) when the movable cover plate (4) is closed and a second state of being pressed against the outside top surface of the bin (1) and being displaced outward; A spray channel (8) is symmetrically arranged inside the movable cover plate (4), the bottom of the spray channel (8) is provided with a spray hole (9), and the spray channel (8) is located within the circumferential range of the rotation of the second sealing strip (7); A water supply assembly, including a first water outlet channel for supplying water in the spray channel (8) when the movable cover plate (4) is closed, a second water outlet channel (18) for flushing the outside surface of the second sealing strip (7) in the first state, and a third water outlet channel (19) for flushing the surface of the second sealing strip (7) away from the center of the bin (1) in the second state.

2. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 1, characterized in that, Also includes: An overflow channel (13) is arranged in the middle of the movable cover plate (4) to communicate the two spray channels (8) on both sides, and the outside end of the overflow channel (13) penetrates the movable cover plate (4); A water guide plate (14) is fixedly arranged at the top of the side wall of the bin (1) to receive water flowing out from the outside end of the overflow channel (13), and the bottom of the water guide plate (14) is uniformly provided with overflow holes (15) near one side of the side wall of the bin (1).

3. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 1, characterized in that, The water supply assembly is slidingly arranged on the bin (1), and the water supply assembly comprises: A square tube (11) is arranged on the front and rear sides of the movable cover plate (4); A valve body (25) in the shape of a wedge with a pointed end facing inward is slidingly arranged in the square tube (11); A valve rod (26) is fixedly connected to the outside end of the valve body (25), and the outside end of the valve rod (26) extends out of the square tube (11); A valve spring (27) is sleeved outside the valve rod (26), and the two ends of the valve spring (27) are fixedly connected to the valve body (25) and the square tube (11), respectively; The valve body (25) blocks the water flow in the square tube (11) from the first water outlet channel, and the valve body (25) displaces inward in the square tube (11) to allow the water flow in the square tube (11) to enter the first water outlet channel.

4. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 3, characterized in that, A baffle (28) is fixedly installed on the outside top surface of the bin (1), when the water supply assembly is displaced outward, the baffle (28) first pushes the valve rod (26) into the square tube (11), and then pushes the square tube (11) to close the second water outlet channel (18) and the third water outlet channel (19).

5. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 4, characterized in that, The inner end of the square tube (11) is connected with a hose (12) of an external water pump, the top of the outer end of the square tube (11) is provided with a spout (22), and the side of the square tube (11) is provided with a water outlet (29) in communication with the second water outlet channel (18); The water supply assembly further comprises: A sliding sleeve (17) is slidingly sleeved outside the square tube (11), and the second water outlet channel (18) and the third water outlet channel (19) are respectively arranged on the outer end and the side of the sliding sleeve (17); A water inlet pipe (10) is fixedly installed on the outer end of the movable cover plate (4), and one end of the water inlet pipe (10) is in communication with the spraying channel (8); The spout (22) forms the first water outlet channel by being inserted into the water inlet pipe (10), and the sliding sleeve (17) is displaced outward outside the square tube (11) to enable the third water outlet channel (19) to be in communication with the water outlet (29).

6. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 5, characterized in that, A power device (20) is further arranged on the bin (1), an output end of the power device (20) is connected with the sliding sleeve (17), and the power device (20) is used for driving the sliding sleeve (17) to displace.

7. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 5, characterized in that, The water supply assembly further comprises: A sliding groove (23) is arranged on both sides of the inside of the sliding sleeve (17); A sliding block is slidingly arranged in the sliding groove (23), and the sliding block is fixedly connected with both sides of the square tube (11); A force storage spring (24) is arranged in the sliding groove (23), and both ends of the force storage spring (24) are respectively connected with the inner wall of the sliding groove (23) and the sliding block, and the force storage spring (24) is stretched when the square tube (11) is displaced inward in the sliding sleeve (17).

8. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 5, characterized in that, In the first state and the second state of the second sealing strip (7), the front and rear sides of the sliding sleeve (17) are respectively attached to the first sealing strip (6) and the second sealing strip (7), recesses are arranged on the top surfaces of the front and rear ends of the bin (1), and the bottom of the sliding sleeve (17) is slidingly arranged in the recesses.

9. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 1, characterized in that, A driving assembly (21) is further arranged, and the driving assembly (21) comprises: A stop rod (21.3) is slidingly installed in the movable cover plate (4), and both ends of the stop rod (21.3) extend to the inner and outer sides of the water supply assembly; A gear (21.1) is fixedly sleeved outside the rotating shaft (16), and the gear (21.1) is located in the movable cover plate (4); A rack (21.2) is slidingly installed in the movable cover plate (4), is engaged with the gear (21.1), and is fixedly connected with the outer end of the stop rod (21.3); The water supply assembly enables the second sealing strip (7) to be in the first state and the second state by pushing the stop rod (21.3) outward or inward.

10. The integrated shoulder slipform hopper with anti-concrete blocking function according to claim 9, characterized in that, An electric push rod (5) is further arranged, a fixed end of the electric push rod (5) is slidingly installed on the top of the fixed cover plate (3) in the inner and outer directions, and a movable end of the electric push rod (5) is fixedly connected with the top of the movable cover plate (4).

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