CN210829274U - Quick scarfing cinder device of earth pressure balance shield machine shield tail - Google Patents
Quick scarfing cinder device of earth pressure balance shield machine shield tail Download PDFInfo
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- CN210829274U CN210829274U CN201921613098.2U CN201921613098U CN210829274U CN 210829274 U CN210829274 U CN 210829274U CN 201921613098 U CN201921613098 U CN 201921613098U CN 210829274 U CN210829274 U CN 210829274U
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Abstract
The utility model provides a quick scarfing cinder device of earth pressure balance shield constructs quick-witted shield tail belongs to shield constructs quick-witted technical field, including carrier, spiral delivery hose and conveying system, the carrier is equipped with pastes ground brush and collection sediment storehouse, pastes ground brush and is used for drawing in the mud sediment and throws away, and the collection sediment storehouse is used for gathering the mud sediment that pastes ground brush and throws away, and the carrier is used for removing at the shield constructs quick-witted afterbody and collects the mud sediment, and spiral delivery hose entry end is connected with collection sediment storehouse, and the spiral delivery hose is used for carrying the mud sediment that the carrier was collected outside the shield constructs quick-witted afterbody, and conveying system is used for transporting the mud sediment from spiral delivery hose exit end to the slag notch of shield constructs the machine; the utility model provides a quick scarfing cinder device of earth pressure balance shield constructs machine shield tail solves the inconvenient problem of shield constructs quick-witted afterbody mud sediment clearance, improves scarfing cinder efficiency, guarantees the continuous tunnelling of shield structure machine.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the machine, more specifically say, relate to a quick scarfing cinder device of earth pressure balance shield constructs machine shield tail.
Background
With the vigorous development of urban rail transit, shield construction is increasingly popularized. In the shield construction, whether continuous construction can be carried out or not directly determines the efficiency, and whether the muck can be smoothly transported out is a key influence factor of whether the construction can be continuously carried out or not. During construction of the earth pressure balance shield machine, the muck in an earth bin is generally conveyed to a conveying belt on the shield machine through a screw conveyor, the conveying belt conveys the muck to a wellhead, and then the muck is lifted out of the ground and conveyed outwards.
In the hard rock tunneling process, a large amount of water, foam mixed liquid and bentonite are used, so that the moisture content of the muck is very high, the muck is often gushed out of the screw conveyor in a solid-liquid mixed state and can leak out of the end part of the conveying belt, and the leakage of the muck can often flow into the tail part of the shield tunneling machine; meanwhile, the falling soil in the tunnel can be cleaned to the tail of the shield tunneling machine. The mud residue piled up at the tail of the shield machine can influence the assembly of the duct pieces, so that continuous construction cannot be carried out.
Aiming at the problems, large sand pumping equipment cannot enter, so that the large sand pumping equipment can only be cleaned by a sewage pump, but the sewage pump can only pump muddy water, cannot pump sand and stone, and the blockage problem is easy to occur; in addition, the cleaning can be carried out manually, but the time consumption is long, the progress is seriously influenced, and the physical strength of workers is very consumed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a balanced shield of soil pressure constructs quick scarfing cinder device of machine shield tail aims at solving the inconvenient problem of shield structure tail portion mud sediment clearance.
In order to achieve the above object, the utility model adopts the technical scheme that a quick slag removal device for the shield tail of a soil pressure balance shield machine is provided, which comprises
The carrier is provided with a ground brush and a slag collecting bin, the ground brush is used for rolling in and throwing out mud slag, the slag collecting bin is used for collecting the mud slag thrown out by the ground brush, and the carrier is used for moving at the tail part of the shield tunneling machine to collect the mud slag;
the inlet end of the spiral conveying hose is connected with the slag collecting bin, and the spiral conveying hose is used for conveying the sludge collected by the carrier to the outside of the tail part of the shield tunneling machine; and
and the conveying system is used for conveying the sludge from the outlet end of the spiral conveying hose to a slag outlet of the shield tunneling machine.
As another embodiment of the application, the ground brush is in a roller shape or an umbrella shape.
As another embodiment of this application, the system of transporting includes mud sediment fill, silt pump and transports the pipeline, the mud sediment fill is located the exit end of auger delivery hose is used for keeping in and follows the mud that the auger delivery hose gushed, the silt pump be used for with mud in the mud fill passes through transport the pipeline pump sending extremely the slag notch.
As another embodiment of the application, a spray head is arranged at the position of the ground brush and used for spraying water to impact the sludge on the rolling-in side of the ground brush.
As another embodiment of the application, the slag collecting bin is provided with an openable bin cover.
As another embodiment of this application, be equipped with the water conservancy diversion chamber of tilt up and be located in the collection sediment storehouse the chamber of keeping in of water conservancy diversion chamber export below, the water conservancy diversion chamber is used for the water conservancy diversion dregs to get into the chamber of keeping in, the chamber of keeping in be used for keeping in the dregs and with the auger delivery hose intercommunication.
As another embodiment of this application, balanced shield of soil pressure machine shield tail removes sediment device still includes the removal tray, it is used for the bearing to remove the tray the auger delivery hose.
As another embodiment of the application, the movable supporting block is fixedly connected or in rolling connection with the outer wall of the spiral conveying hose.
As another embodiment of the present application, the movable support block includes an upper block and a lower block, which are provided with a groove, and the groove is used for forming a support hole for the spiral conveying hose to pass through after the upper block and the lower block are buckled with each other.
As another embodiment of this application, the spiral conveying hose includes wear-resisting hose, flexible spiral area and driving motor, flexible spiral area sets up in the wear-resisting hose, driving motor locates wear-resisting hose one end is used for the drive flexible spiral area rotates.
The utility model provides a quick scarfing cinder device of earth pressure balance shield constructs quick-witted shield tail, compares with prior art, is equipped with the carrier that can move at the shield constructs the quick-witted afterbody, and in the removal process, the brush that pastes on the carrier rolls up the mud sediment and throws into in the collection sediment storehouse; the slag collecting bin can collect dispersed mud slag thrown out by the ground brush, so that the mud slag enters the spiral conveying hose and is conveyed to the outside of the shield tunneling machine through the spiral conveying hose; in the moving process of the carrier, the spiral conveying hose can be bent and moved along with the movement of the carrier, meanwhile, the spiral conveying hose can normally work to convey mud no matter the spiral conveying hose is straightened, bent, static or moved, and the carrier can be conveniently moved to all areas of the tail of the shield tunneling machine to thoroughly clean the mud; the utility model provides a quick scarfing cinder device of earth pressure balance shield constructs tail can assist the manual work to clear up mud, has improved scarfing cinder efficiency, when having shortened scarfing cinder construction and using, has reduced the influence of scarfing cinder construction to the shield structure construction, has reduced intensity of labour simultaneously, has improved the convenient degree of scarfing cinder work; in addition, no matter muddy water or sand can be rolled up by the ground brush and thrown into the slag collecting bin, so that slag is thoroughly removed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a shield tail quick slag removal device of an earth pressure balance shield machine provided by an embodiment of the utility model;
fig. 2 is a schematic composition diagram of a shield tail quick slag removal device of an earth pressure balance shield machine provided by the embodiment of the utility model;
FIG. 3 is a schematic side view of a cross-sectional structure of a roller-shaped floor brush according to an embodiment of the present invention;
fig. 4 is a schematic top view of a cross-sectional structure of an umbrella-shaped ground brush according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the outlet end of the auger hose of FIG. 2;
fig. 6 is a schematic structural diagram of a movable supporting block according to an embodiment of the present invention.
In the figure: 1. a carrier; 11. pasting a ground brush; 12. a slag collecting bin; 111. a fender; 121. a bin cover; 122. a flow guide cavity; 123. a temporary storage cavity; 124. a slag collecting plate; 2. a spiral conveying hose; 21. a wear-resistant hose; 22. a flexible helical band; 23. a drive motor; 31. a sludge hopper; 32. a sand pump; 33. a delivery conduit; 4. a spray head; 51. loading blocks; 52. c, discharging; 53. a bearing hole; 54. a roller; 55. a tension spring; 6. a shield machine.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a description will now be given of the shield tail quick slag removal device of the earth pressure balance shield machine of the present invention. The quick slag removal device for the shield tail of the earth pressure balance shield machine comprises a carrier 1, a spiral conveying hose 2 and a conveying system; the carrier 1 is provided with a ground brush 11 and a slag collecting bin 12, the ground brush 11 is used for rolling in and throwing out mud slag, the slag collecting bin 12 is used for collecting the mud slag thrown out by the ground brush 11, and the carrier 1 is used for moving at the tail part of the shield tunneling machine 6 to collect the mud slag; the inlet end of the spiral conveying hose 2 is connected with the slag collecting bin 12, and the spiral conveying hose 2 is used for conveying the sludge collected by the carrier 1 to the outside of the tail part of the shield tunneling machine 6; the conveying system is used for conveying the sludge from the outlet end of the spiral conveying hose 2 to a slag outlet of the shield tunneling machine 6.
Compared with the prior art, the quick slag removal device for the shield tail of the earth pressure balance shield machine is provided with the carrier 1 which can move at the tail part of the shield machine 6, and in the moving process, the ground brush 11 on the carrier 1 rolls up the mud slag and throws the mud slag into the slag collecting bin 12; the slag collecting bin 12 can collect dispersed sludge thrown out by the ground brush 11, so that the sludge enters the spiral conveying hose 2 and is conveyed to the outside of the tail part of the shield machine 6 through the spiral conveying hose 2, and the sludge cleaned to the outside of the tail part of the shield machine 6 is conveyed to a slag outlet of the shield machine 6 through a conveying system to complete the whole slag removing process; in the moving process of the carrier 1, the spiral conveying hose 2 can be bent and moved along with the movement of the carrier 1, meanwhile, the spiral conveying hose 2 can normally work to convey mud no matter the spiral conveying hose 2 is straightened, bent, static or moved, and the carrier 1 can be conveniently moved to all areas at the tail part of the shield tunneling machine 6 to thoroughly clean the mud; the utility model provides a quick scarfing cinder device of earth pressure balance shield constructs tail can assist the manual work to clear up mud, has improved scarfing cinder efficiency, when having shortened scarfing cinder construction and using, has reduced the influence of scarfing cinder construction to the shield structure construction, has reduced intensity of labour simultaneously, has improved the convenient degree of scarfing cinder work; in addition, no matter muddy water or sand can be rolled up by the ground brush 11 and thrown into the slag collecting bin 12, so that slag is thoroughly removed.
The carrier 1 may be an automatic trolley driven by a motor to translate in a plane, or a manually driven trolley as shown in fig. 1. The trolley comprises a trolley frame and wheels, wherein the trolley frame is used for fixing and bearing parts such as the ground pasting brush 11 and the slag collecting bin 12, the trolley frame can be formed by assembling and welding easily-obtained section steels such as round tubes and angle steels, and the upper end of the trolley frame is provided with a handle for holding; the bottom of frame is located to the wheel, and the quantity generally is a plurality of, and the wheel can be the universal wheel, conveniently changes the direction of travel, and the handcart can be at the convenient removal of the afterbody of shield structure machine 6 with the help of the wheel.
The slag notch is the current setting on the shield constructs the machine 6, and the mud sediment transports can transport the mud sediment out ground through the current dregs processing system on the shield constructs machine 6 after the slag notch, and then externally transports. The conveying system ensures that the sludge can be further conveyed to the slag outlet after being conveyed to the outside of the tail part of the shield machine 6 through the spiral conveying hose 2, thereby further improving the slag removal efficiency and reducing the labor intensity.
The ground brush 11 is generally arranged at the head of the trolley, the ground brush 11 is fixed on the trolley frame through the slag collecting bin 12, the ground brush 11 is driven by a mud brush motor, and the mud brush motor is also fixed on the trolley frame through the slag collecting bin 12; a rotating shaft of the ground brush 11 and a mud brush motor are arranged on a mounting plate together, and the mounting plate is fixed on the slag collecting bin 12 through a connecting rod; the mud brush motor is generally an integrated motor integrated with a speed reducer, the integrated motor is beneficial to reducing the size to enable the structure to be more compact, in addition, the power required by the ground brush 11 is not large, the size of the mud brush motor is not too large, and the mud brush motor can be conveniently fixed on a frame; the ground brush 11 can be directly connected with the power output end of the mud brush motor, and can also be connected with the mud brush motor in a belt transmission mode.
When the slag removal device provided by the application is used, the tail part of the shield machine 6 needs to be cleaned into an area without mud, and wheels can contact the floor to move smoothly after the carrier 1 enters; the carrier 1 and the spiral conveying hose 2 are generally of a split structure, and the inlet end of the spiral conveying hose 2 is detachably and hermetically connected with the outlet of the slag collecting bin 12 through a flange; after the carrier 1 enters the tail part of the shield machine 6, the spiral conveying hose 2 is connected with the slag collecting bin 12, and then slag removal construction can be started; one person drives the carrier 1 to move, and the other person moves the spiral conveying hose 2 while the carrier 1 moves; during slag removal construction, the ground brush 11 rotates at a high speed, mud is thrown into the slag collection bin 12, then enters the spiral conveying hose 2, and is conveyed out of the tail part of the shield tunneling machine 6 through the spiral conveying hose 2; after the mud residue in an area is cleared up, the rotation of the ground pasting brush 11 is suspended, the carrier 1 is moved to the area to be cleared, and the ground pasting brush 11 is started to clear up until all areas are cleared up.
The manual slag removal needs five to six workers to spend the workload of completing within 12 hours of one work class, and with the help of the slag removal device, the slag removal can be completed within half an hour from one to two workers, so that the continuous tunneling of the shield machine is ensured, the construction period is shortened, the manpower is saved, and the labor intensity is reduced.
As a concrete implementation mode of the quick slag removal device at the shield tail of the earth pressure balance shield machine provided by the utility model, the ground brush 11 is in a roller shape or an umbrella shape.
As shown in fig. 1 and 3, the ground brush 11 is in a roller shape and has a certain length, the arrow in fig. 3 indicates the rotation direction of the ground brush 11, and the mud can be thrown into the slag collecting bin 12 by the high-speed rotation of the ground brush 11; as shown in fig. 4, the ground brush 11 is umbrella-shaped, and fig. 4 is a top view, so that the ground brush 11 looks like a disk; when the ground pasting brushes 11 are umbrella-shaped, the ground pasting brushes 11 are generally arranged in pairs and have opposite rotation directions, arrows in fig. 4 are the respective rotation directions of the two ground pasting brushes 11, the left ground pasting brush 11 rotates anticlockwise, and the right ground pasting brush 11 rotates clockwise; when the ground brush 11 is umbrella-shaped, the brush is arranged obliquely downwards instead of horizontally, and a space for continuously moving downwards is reserved after the lower end of the brush is contacted with the floor, so that the contact degree of the brush and the floor is increased, the pressure of the brush on the floor is increased, and the brush can be enabled to be forcefully involved in mud and thrown out of the mud to the slag collecting bin 12; when the ground brush 11 is umbrella-shaped, if the mud residue is thrown out horizontally, the inlet of the residue collecting bin 12 needs to be stuck to the ground, possibly interfering with sand and stones on the floor, which is not beneficial to the advance of the handcart, and meanwhile, the bin wall at the inlet of the residue collecting bin 12 can be damaged, so that the rotation axis of the ground brush 11 is inclined, the round surface where the lower end of the brush is located is inclined, and the throwing-out direction of the mud residue is inclined upwards, thereby overcoming the problems.
In order to prevent mud on the ground brush 11 from being thrown out in an unexpected direction, a mud guard 111 is arranged around the ground brush 11, and as shown in fig. 3, the shape and the arrangement position of the mud guard 111 are shown when the ground brush 11 is in a roller shape; when the brush 11 is umbrella-shaped, the shape and the installation position of the mudguard 111 are different from those of the brush 11 which is roller-shaped, and are not arranged above the brush 11 but arranged at both sides; since the rotation axis is inclined when the brush 11 is umbrella-shaped, the mud is not thrown forward, and the mud can be surely thrown out in a direction other than the entrance of the slag collecting chamber 12 by disposing the mud guard 111 on both sides. In order to ensure that the sludge thrown out by the floor-attached brush 11 completely enters the slag collecting bin 12, a slag collecting plate 124 is arranged at the inlet of the slag collecting bin 12, as shown in fig. 1; the shape, number and arrangement position of the slag collecting plates 124 are adapted to the throwing-out direction of the sludge, and are not necessarily arranged on the two sides of the inlet of the slag collecting bin 12 as in fig. 1. The mudguard 111 is generally fixed to the slag collecting bin 12, and the mudguard 111 is generally made of hard plastic for reducing weight.
As the utility model provides a balanced shield of soil pressure constructs quick scarfing cinder device of quick tail of machine, please refer to fig. 2, the conveying system includes sediment fill 31, silt pump 32 and transports pipeline 33, and sediment fill 31 locates the exit end of auger delivery hose 2 and is used for keeping in the sediment that gushes out from auger delivery hose 2, and silt pump 32 is used for fighting the sediment in 31 sediment through transporting pipeline 33 pump sending to the slag notch with sediment.
Specifically, the outlet of the spiral conveying hose 2 is downward, and the sludge hopper 31 is provided with an upward opening and is fixedly connected with the outlet end of the spiral conveying hose 2; the sand pump 32 is an impurity pump for pumping sand, and is the prior art; the delivery conduit 33 is a conventional conduit for communicating the outlet of the sand pump 32 with the slag outlet of the shield machine 6. During slag removal, the sand pump 32 can be operated intermittently or continuously, and during intermittent operation, the sand pump 32 is started when the sludge hopper 31 is full of sludge. The conveying system is generally used as a part of the shield machine 6, is fixedly arranged on the shield machine 6 and is connected with the carrier 1 through a flexible spiral conveying hose 2, so that the work of removing mud residues at the tail part of the shield machine 6 is completed.
As a specific embodiment of the device for quickly removing the slag from the shield tail of the earth pressure balance shield machine provided by the present invention, please refer to fig. 3, the spray head 4 is arranged at the position of the ground brush 11, and the spray head 4 is used for spraying water to impact the mud slag on the side of the ground brush 11. The side where the floor brush 11 is rolled in is a side where sludge is rolled in by the floor brush 11 with respect to the side where the floor brush 11 is thrown out. In the mud residue accumulation process, along with the sinking of the mud residue, the flow plasticity of the mud residue is reduced, so that the efficiency of the ground sticking brush 11 in rolling the mud residue is reduced; the spray head 4 can impact the sludge on the winding-in side of the ground sticking brush 11 through water flow with certain pressure, and the flow plasticity of the spray head is increased, so that the efficiency of winding the sludge into the ground sticking brush 11 is improved.
The high-pressure cleaning machine is a mature prior art, and the spray head 4 can be connected with the high-pressure cleaning machine through a pipeline so as to generate high-pressure water jet; shower nozzle 4 can be according to the deposit condition of mud sediment, and selective opening, the handle department of handcart not only is equipped with the first switch that is used for controlling the mud brush motor and opens and stop, still is equipped with the second switch that is used for controlling shower nozzle 4 switch and high pressure cleaner to open and stop. When the ground brush 11 is in a roller shape as shown in fig. 3, a plurality of spray heads 4 are generally arranged and uniformly distributed along the length direction of the ground brush 11; when the ground brush 11 is in the shape of an umbrella as shown in fig. 4, the installation position of the head 4 is different, and it is necessary to adjust the shape of the ground brush 11. The spray head 4 can be fixed on the mounting plate together with the ground brush 11 and the mud brush motor and is fixed on the frame through the slag collecting bin 12.
As a specific embodiment of the shield tail quick slag removing device of the earth pressure balance shield machine provided by the present invention, please refer to fig. 1, the slag collecting bin 12 is provided with an openable bin cover 121. The bin cover 121 is used for cleaning and maintaining the interior of the slag collecting bin 12, and meanwhile, if the inlet end of the spiral conveying hose 2 is blocked in the slag removing process, the bin cover 121 can be opened to remove faults.
Specifically, the bin cover 121 can be hinged on the bin body of the slag collecting bin 12 through hinges, as shown in fig. 1; the bin cover 121 can also be arranged into a push-pull structure and is in sliding insertion connection with the bin body of the slag collecting bin 12; the bin cover 121 is generally provided with a handle and a bolt or a lock and other parts, the handle is used for opening or closing the bin cover 121, and the bolt or the lock is used for ensuring that the bin cover 121 is fixedly connected with the bin body of the slag collecting bin 12 in the slag removing process so as to prevent the bin cover 121 from being opened accidentally; the bin cover 121 is generally disposed on the top surface of the slag collection bin 12, as shown in fig. 1; the bin cover 121 can also be arranged on the side surface of the slag collecting bin 12.
As a specific implementation of the quick scarfing cinder device of earth pressure balance shield machine shield tail, please refer to fig. 3, be equipped with the guide cavity 122 of tilt up and be located the chamber 123 of keeping in of guide cavity 122 export below in the collection sediment storehouse 12, guide cavity 122 is used for the water conservancy diversion dregs to get into the chamber 123 of keeping in, the chamber 123 of keeping in is used for keeping in the dregs and communicates with auger delivery hose 2.
The embodiment provides a specific structure of an inner cavity of the slag collecting bin 12, mud is thrown out at a high speed by the ground brush 11 and then enters the diversion cavity 122; the upper oblique angle of the flow guide cavity 122 is set according to the rotating speed of the ground brush 11, and the upper oblique direction of the flow guide cavity 122 is approximately the same as the throwing-out direction of the sludge; the upper wall, the lower wall and the side wall of the diversion cavity 122 can gather and divert sludge, so as to ensure that the sludge moves towards the temporary storage cavity 123; the sludge directly falls into the temporary storage cavity 123 after passing through the diversion cavity 122, or hits the upper wall or the side wall of the temporary storage cavity 123, so as to be blocked from falling into the temporary storage cavity 123; the sludge entering the temporary storage cavity 123 can enter the spiral conveying hose 2 so as to be conveyed out of the tail part of the shield tunneling machine 6; even in the mud can't get into auger delivery hose 2 immediately, the mud also can deposit temporarily in the chamber 123 of keeping in, and just keep in the chamber 123 and be located the export below of water conservancy diversion chamber 122, the mud can not follow the chamber 123 of keeping in and flow back and go out. In fact, when a small amount of sludge enters the temporary storage cavity 123, the sludge may not enter the spiral conveying hose 2 immediately, and after a certain amount of sludge is accumulated in the temporary storage cavity 123, the sludge enters the spiral conveying hose 2 under the action of self-weight, so that a certain amount of sludge generally exists in the temporary storage cavity 123.
As a specific embodiment of the quick scarfing cinder device of balanced shield of soil pressure machine shield tail, the quick scarfing cinder device of balanced shield of soil pressure machine shield tail is still including removing the tray, and the removal tray is used for bearing auger delivery hose 2. The movable support block generally rolls on the floor through the roller, and one section of the spiral conveying hose 2 is placed on the movable support block to realize rolling connection with the floor, so that the friction area between the bottom surface of the spiral conveying hose 2 and the floor is reduced, and the spiral conveying hose 2 is convenient to move.
The number of the movable supporting blocks is generally a plurality of supporting blocks, and the supporting blocks are arranged at different positions of the spiral conveying hose 2 according to actual conditions. When the carrier 1 just enters the slag removing area, the spiral conveying hose 2 is positioned outside the slag removing area, the moving range of the carrier 1 is small, and a movable support block does not need to be arranged on the bolt conveying hose 2; along with the slag removal construction, the moving range of the carrier 1 is enlarged, the length of the spiral conveying hose 2 entering the tail part of the shield machine 6 is lengthened, the contact length of the bottom surface of the spiral conveying hose 2 and the floor is gradually increased, at the moment, the movable supporting block can be placed on the floor of the slag removal area, then the spiral conveying hose 2 is placed on the movable supporting block, and one section of the spiral conveying hose 2 is supported on the movable supporting block, so that the friction between the spiral conveying hose 2 and the floor is reduced; the movable support blocks are distributed along the length direction of the spiral conveying hose 2, the more the number of the movable support blocks is, the smaller the interval is, the smaller the friction degree between the spiral conveying hose 2 and the floor is, and the more the movable support blocks are beneficial to the movement of the spiral conveying hose 2; however, if the movable supporting blocks are too dense, the movable supporting blocks may interfere with each other, which is not beneficial to the movement of the spiral conveying hose 2, and the positions and the number of the movable supporting blocks need to be reasonably arranged according to the shape and the length of the spiral conveying hose 2.
As a concrete implementation mode of the quick scarfing cinder device of earth pressure balance shield machine shield tail, the outer wall fixed connection or the roll connection of removal tray and auger delivery hose 2. The present embodiment provides two ways of connecting the mobile carrier to the auger delivery hose 2. When the movable supporting block is fixedly connected with the spiral conveying hose 2, the movable supporting block moves along with the movement of the spiral conveying hose 2, a clamping hook is arranged on the movable supporting block, and the movable supporting block is fixedly connected with a clamping ring fixedly arranged on the outer wall of the spiral conveying hose 2 through the clamping hook so as to be fixedly connected with the spiral conveying hose 2; when the movable supporting block is in rolling connection with the spiral conveying hose 2, the movable supporting block does not necessarily move along with the movement of the spiral conveying hose 2, and the spiral conveying hose 2 is in rolling connection with the movable supporting block by means of a roller shaft arranged on the movable supporting block, so that the purpose of reducing friction during movement is achieved.
As a specific implementation manner of the quick slag removal device for the shield tail of the earth pressure balance shield tunneling machine provided by the present invention, please refer to fig. 6, the movable supporting block comprises an upper block 51 and a lower block 52, which are provided with a groove, and the groove is used for forming a supporting hole 53 for the spiral conveying hose 2 to pass through after the upper block 51 and the lower block 52 are buckled with each other. The embodiment provides a specific structure of a movable supporting block, wherein the movable supporting block is of a split structure and consists of an upper block 51 and a lower block 52 which can be separated; when the device is used, the upper block 51 and the lower block 52 are buckled and pressed up and down through the tension spring 55 to form a bearing hole 53, and the connecting surfaces of the upper block 51 and the lower block 52 are respectively provided with a positioning pin and a pin hole to prevent the upper block 51 and the lower block 52 from being dislocated; the lower block 52 is provided with a roller 54 for realizing the free movement of the movable supporting block on the floor, the roller 54 is generally a universal wheel, and the movable supporting block can be flexibly and conveniently moved. The supporting hole 53 may be an ellipse as shown in fig. 6, and at this time, a hook, not shown, is disposed on the inner wall of the groove and is fixedly connected to a clasp fixed on the outer wall of the spiral conveying hose 2; the bearing holes 53 can also be rectangular, and the hole walls are provided with roller shafts, so that the rolling connection of the movable supporting block and the spiral conveying hose 2 is realized. When using the movable pallet, the lower block 52 is first placed on the floor, the auger hose 2 is then lifted into the groove of the lower block 52, and finally the upper block 51 is snapped onto the lower block 52 and the upper block 51 and the lower block 52 are pressed by the tension spring 55.
As a specific implementation manner of the quick scarfing cinder device of earth pressure balance shield machine shield tail, please refer to fig. 5, the auger delivery hose includes wear-resisting hose 21, flexible spiral strip 22 and driving motor 23, and flexible spiral strip 22 sets up in wear-resisting hose 21, and driving motor 23 locates wear-resisting hose 21 one end and is used for driving flexible spiral strip 22 to rotate.
The wear-resistant hose 21 is made of a wear-resistant flexible material, and can be bent, straightened and coiled, wherein the flexible material is generally a non-metal material, such as polymers like PU (polyurethane), wear-resistant rubber and the like; the flexible spiral belt 22 is made of flexible and elastic non-metal materials or metal materials, such as wear-resistant rubber or spring steel, the flexible spiral belt 22 is of a shaftless spiral structure, the flexible spiral belt 22 is arranged in the wear-resistant hose 21, and the driving motor 23 is connected with and drives the flexible spiral belt 22 to rotate; the driving motor 23 can be arranged at the inlet end of the wear-resistant hose 21 or at the outlet end, in fig. 5, the driving motor 23 is arranged at the outlet end of the wear-resistant hose 21, the outlet of the wear-resistant hose 21 faces downward and is connected with the upper end opening of the sludge bucket 31, and sludge is pushed to the outlet end of the wear-resistant hose 21 by the flexible spiral belt 22 and then leaks into the sludge bucket 31.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Balanced shield machine shield tail quick scarfing cinder device of soil pressure, its characterized in that includes:
the carrier is provided with a ground brush and a slag collecting bin, the ground brush is used for rolling in and throwing out mud slag, the slag collecting bin is used for collecting the mud slag thrown out by the ground brush, and the carrier is used for moving at the tail part of the shield tunneling machine to collect the mud slag;
the inlet end of the spiral conveying hose is connected with the slag collecting bin, and the spiral conveying hose is used for conveying the sludge collected by the carrier to the outside of the tail part of the shield tunneling machine; and
and the conveying system is used for conveying the sludge from the outlet end of the spiral conveying hose to a slag outlet of the shield tunneling machine.
2. The shield tail quick slag removal device of the earth pressure balance shield machine of claim 1, wherein the ground brush is in a shape of a roller or an umbrella.
3. The shield tail quick slag removal device of the earth pressure balance shield tunneling machine according to claim 1, wherein the conveying system comprises a sludge hopper, a sand pump and a conveying pipeline, the sludge hopper is arranged at the outlet end of the spiral conveying hose and is used for temporarily storing sludge flowing out of the spiral conveying hose, and the sand pump is used for pumping the sludge in the sludge hopper to the slag outlet through the conveying pipeline.
4. The shield tail quick slag removal device of the earth pressure balance shield machine according to claim 1, wherein a spray head is arranged at the ground brush, and the spray head is used for spraying water to impact mud on a rolling-in side of the ground brush.
5. The shield tail quick slag removal device of the earth pressure balance shield machine according to claim 1, wherein the slag collection bin is provided with an openable bin cover.
6. The shield tail quick slag removal device of the earth pressure balance shield tunneling machine according to claim 1, wherein an inclined guide cavity and a temporary storage cavity are arranged in the slag collection bin and are positioned below an outlet of the guide cavity, the guide cavity is used for guiding the mud to enter the temporary storage cavity, and the temporary storage cavity is used for temporarily storing the mud and is communicated with the spiral conveying hose.
7. The shield tail quick slag removal device of the earth pressure balance shield machine according to claim 1, further comprising a movable supporting block, wherein the movable supporting block is used for supporting the spiral conveying hose.
8. The shield tail quick slag removal device of the earth pressure balance shield machine of claim 7, wherein the movable supporting block is fixedly connected or in rolling connection with the outer wall of the spiral conveying hose.
9. The shield tail quick slag removal device of the earth pressure balance shield tunneling machine of claim 7, wherein the movable supporting block comprises an upper block and a lower block which are provided with grooves, and the grooves are used for forming a supporting hole for the spiral conveying hose to pass through after the upper block and the lower block are buckled.
10. The shield tail quick slag removal device of the earth pressure balance shield machine of claim 1, wherein the spiral conveying hose comprises a wear-resistant hose, a flexible spiral belt and a driving motor, the flexible spiral belt is arranged in the wear-resistant hose, and the driving motor is arranged at one end of the wear-resistant hose and is used for driving the flexible spiral belt to rotate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613098.2U CN210829274U (en) | 2019-09-25 | 2019-09-25 | Quick scarfing cinder device of earth pressure balance shield machine shield tail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613098.2U CN210829274U (en) | 2019-09-25 | 2019-09-25 | Quick scarfing cinder device of earth pressure balance shield machine shield tail |
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| CN210829274U true CN210829274U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500103A (en) * | 2019-09-25 | 2019-11-26 | 中铁六局集团有限公司 | The quick slag cleaning device of balancing earth-pressure shielding machine shield tail |
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2019
- 2019-09-25 CN CN201921613098.2U patent/CN210829274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500103A (en) * | 2019-09-25 | 2019-11-26 | 中铁六局集团有限公司 | The quick slag cleaning device of balancing earth-pressure shielding machine shield tail |
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