CN114562019A - Cleaning device for tail end of tunnel drain pipe and using method - Google Patents

Cleaning device for tail end of tunnel drain pipe and using method Download PDF

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CN114562019A
CN114562019A CN202210196767.0A CN202210196767A CN114562019A CN 114562019 A CN114562019 A CN 114562019A CN 202210196767 A CN202210196767 A CN 202210196767A CN 114562019 A CN114562019 A CN 114562019A
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CN114562019B (en
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李磊
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Research Institute of Highway Ministry of Transport
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F9/00Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00Drainage
    • E21F16/02Drainage of tunnels
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • G06Q50/08Construction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract

The invention relates to a cleaning device for a blockage at the tail end of a tunnel drain pipe, in particular to a cleaning device for the tail end of the tunnel drain pipe and a using method, wherein the cleaning device comprises: the guide crushing part is positioned at the front end of the device and comprises a guide drill and a cutter assembly for drilling and crushing the blockage in the pipeline; the control power part is positioned at the rear end of the device, controls the working state of the cleaning device and provides power required by the normal work of the cleaning device; the transmission support part is connected between the guide crushing part and the power control part and comprises a transmission system and a support system, wherein the transmission system is used for transmitting power and conveying scraps, and the support system is used for stabilizing the device to finish cleaning action, compared with the prior art, the invention has the beneficial effects that: the device based on the mechanical modular design is convenient to disassemble and assemble, light, portable and simple to operate, does not need to consume a large amount of water sources in the cleaning process, and has good energy-saving and environment-friendly benefits; the reducing cutter assembly can adapt to the cleaning requirements of different drain pipe sizes and different types of blockages, the type selection of the cutter assembly can be judged through the detection of the guide drill, and the working range of the cutter assembly is determined through the detection of the supporting piece.

Description

Cleaning device for tail end of tunnel drain pipe and using method
Technical Field
The invention relates to a cleaning device for a blockage at the tail end of a tunnel drain pipe, in particular to a cleaning device for the tail end of the tunnel drain pipe and a using method.
Background
Tunnel drainage systems are hidden projects made in conjunction with concrete linings to avoid diseases caused by water leakage, such as: the service life of the structure is shortened, equipment in a tunnel is corroded, driving safety is endangered, and the like, the tunnel drain pipe is an important structural form of a drainage system and plays an important role in guiding and draining underground water around the tunnel, but the tunnel drain pipe is influenced by service environment and is often blocked by rock debris, soil, crystals and other substances, and due to the effects of water flow paths, temperature change and the like, the tail end of the drain pipe is easier to deposit a blocking object, so that the performance of the whole drainage system is restricted, the tail end cleaning of the tunnel drain pipe is a key focus of tunnel maintenance, and higher maintenance frequency is required compared with other parts of the drainage system.
The hidden engineering attribute of the tunnel drainage system determines that the detection and maintenance difficulty is high, and a proper detection and maintenance tool needs to be selected according to the structural characteristics of the tunnel drainage system. The cleaning device for the tail end of the tunnel drain pipe has the characteristics of small range and high frequency, and the cleaning device can meet the technical requirements of lightness, portability, simplicity and quickness in operation, economy, environmental protection and the like.
The existing pipeline cleaning device cannot well meet the cleaning requirement of the tail end of a tunnel drain pipe, for example, a pipeline cleaning robot has a complex structure, is complex to operate, has high production and use costs, and is not beneficial to general popularization and high-frequency use; the high-pressure cleaning machine has large water consumption for dredging the tunnel drain pipe, needs to be provided with a separate water supply pipeline or carry a large amount of water, and is not beneficial to energy conservation and environmental protection; the steel bar type dredging machine cannot judge the cleaning effect of the pipeline, and the steel bars rotating at high speed easily damage the inner wall of the pipeline and increase the roughness of the drain pipe.
Therefore, the development of a cleaning device for the tail end of the tunnel drain pipe and a using method thereof not only have urgent research values, but also have good economic benefits and industrial application potentials, which are the basis and the position of the power which is completed by the invention.
Disclosure of Invention
The present inventors have conducted intensive studies to overcome the above-identified drawbacks of the prior art, and as a result, have completed the present invention after having made a great deal of creative efforts.
Specifically, the technical problems to be solved by the present invention are: the cleaning device for the tail end of the tunnel drain pipe and the using method are provided, and the technical problems that in the prior art, the tail end of the tunnel drain pipe cannot be cleaned in a small range and at a high frequency, and the cleaning device is environment-friendly, efficient, convenient and economical are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
a cleaning device for tunnel drain ends, the device comprising:
the guide crushing part is positioned at the front end of the device and comprises a guide drill and a cutter assembly for drilling and crushing the blockage in the pipeline;
the control power part is positioned at the rear end of the device, controls the working state of the cleaning device and provides power required by the normal work of the cleaning device;
the transmission support part is connected between the guide crushing part and the power control part and comprises a transmission system and a support system, wherein the transmission system is used for transmitting power and conveying scraps, and the support system is used for stabilizing the device to finish cleaning action;
the guide drill and the transmission system are coaxially installed, the guide drill is located at the top end of the device, and the cutter assembly is located behind the guide drill and is of a variable-diameter structure.
In the present invention, as an improvement, the knife assembly is arranged between the pilot drill and the transmission support portion, and is a replaceable structure, and includes an umbrella type scraper and a tower type knife sharpener, wherein the umbrella type scraper includes:
the umbrella knife rest is of an umbrella type telescopic structure consisting of a stay bar and a reducing ring, the stay bar comprises an upper stay bar and a lower stay bar, the reducing ring is of a telescopic chain type structure, and an isolation surface is arranged at the lower stay bar;
the umbrella cutter shaft is a cutter component middle shaft;
the sliding ring is sleeved outside the umbrella cutter shaft;
the scraper blade is arranged on the outer side of the upper support rod through a buckle;
the front ends of a plurality of upper support rods are hinged to the outer side of the umbrella cutter shaft in an annular mode, the rear ends of the upper support rods are hinged to the reducing ring, the front ends of the lower support rods and the rear ends of the upper support rods are correspondingly hinged to the reducing ring, and the rear ends of the lower support rods are hinged to the sliding ring;
the opening range of the umbrella knife rest can be controlled by the relative axial movement of the sliding ring and the umbrella knife shaft.
In the invention, as an improvement, the tower type knife grinder comprises a plurality of circular table type hollow net shell structure knife discs which are stacked and assembled, the size of the bottom surface of an upper knife disc is consistent with that of the top surface of a lower knife disc adjacent to the upper knife disc, and the adjacent knife discs are tightly connected through lock catches; a plurality of granular cutter heads are arranged on the side surface of the cutter head and used for abrading hard plugs; the inner cavity of the cutter head is communicated with the conveying system to form a conveying channel for the blockage debris.
In the invention, as an improvement, the transmission supporting part comprises a supporting component and a conveying rod, and the conveying rod is connected with the umbrella cutter shaft and a power shaft of the power control part to form a channel for power transmission and conveying of blockage debris;
the conveying rod is a rod piece with a spiral structure, the inlet at the front end of a spiral channel of the conveying rod is positioned in the umbrella knife rest, and the outlet at the rear end of the spiral channel is positioned in the power control part and used for conveying blocking debris;
the supporting component is arranged on the outer side of the conveying rod and comprises a supporting piece, a retaining piece and a sliding piece;
the supporting piece comprises a long rod and a short rod, one end of the short rod is hinged to the sliding piece, and the other end of the short rod is hinged to the middle of the long rod; one end of the long rod is hinged with the holding piece, and the other end is provided with an anti-skid pad.
The holder is sleeved outside the conveying rod, the front end of the holder is connected with a sliding ring in the cutter head set, and a port of the holder is provided with an axially movable ball bearing for stabilizing the rotation of the conveying rod;
the sliding piece is arranged on the outer side of the retaining piece and can move along the axial direction of the retaining piece, and the opening and combining actions of the supporting piece are realized through the axial relative movement of the sliding piece and the retaining piece;
the lower end of the sliding part is provided with a control key with an axial scale, the opening and combination actions of the supporting part are controlled through the axial movement of the control key, and the opening and closing amplitude can be read through the axial scale.
In the invention, as an improvement, the power control part comprises a protective shell, a coupling and a collection bin;
the protective shell wraps the coupler and is externally connected with the collection bin;
the front end opening of the protective shell is connected with the retaining piece; the side opening of the protective shell is connected with the collecting bin to form a discharge channel of the blocking debris;
one end of the coupler is connected with a power shaft penetrating into the protective shell, and the other end of the coupler is connected with a conveying rod penetrating into the protective shell; the power shaft drives the conveying rod and the umbrella cutter shaft to axially move through the coupler, so that the opening and closing actions of the umbrella cutter frame can be controlled, and the opening and closing amplitude can be read through the axial displacement meter; the power shaft drives the conveying rod and the cutter assembly to rotate annularly through the coupler, so that the cutting and abrasion actions of the cutter assembly are realized, the hardness of a blockage can be measured through the torque force of the rotation of the coupler, and the torque force value can be read through an annular torque force meter;
the collecting bin is connected to the side opening of the protective shell through a buckle, and the collecting bin is provided with a negative pressure device to assist in discharging the blocking object debris.
A use method of a cleaning device for the tail end of a tunnel drainage pipe comprises the following steps:
(1) assembly test
The cleaning device is taken out from the device box, the guide crushing part, the control power part and the transmission supporting part which are in modular design are inserted together, the connecting buckle is locked to complete assembly, and the connecting condition and the working state of the device are tested by the operation of a hand-operated or motor driving device;
(2) detecting and adjusting
The device is inserted into a blocked drain pipe, the sliding key is operated to drive the sliding part to control the supporting part to be opened until the anti-skid pad is tightly clamped on the wall of the drain pipe, and the diameter of the drain pipe is read from the scale as the dredging and cleaning standard of the cutter assembly; inserting the guide drill into a blockage, manually rotating the guide drill through a power shaft, reading the resistance of the blockage to the guide drill through the annular torsion meter, and judging the selection type of the cutter assembly;
(3) dredge and clean
When the jam texture is softer, select for use umbrella formula scraper to dredge the clearance: installing an umbrella type scraper component to the device, extending the device into a blocked part of a tunnel drain pipe, stabilizing the supporting piece, driving the umbrella knife shaft to axially move through the power shaft to realize that the umbrella knife rest is gradually opened to the diameter size of the drain pipe, driving the umbrella knife shaft to circularly rotate through the power shaft to complete layer-by-layer crushing of a blocking object, immediately enabling blocking object debris to fall into an isolation surface, and conveying the blocking object debris to the collection bin through the conveying rod;
when the jam texture is harder, select for use tower whet a knife to dredge the clearance: assembling a tower type knife sharpener with the diameter suitable for the drain pipe, installing the tower type knife sharpener to the device, extending the device into the blocking position of the tunnel drain pipe, stabilizing the supporting piece, driving the tower type knife sharpener to rotate through the power shaft to complete layer-by-layer crushing of the blocking object, enabling blocking object debris to enter the conveying rod through the side hole of the cutter head, and conveying the blocking object debris to the collection bin through the conveying rod;
(4) finishing and recovering
When the reading of the annular torsion meter of the cleaning device working at each part in the drain pipe is 0, the blockage of the drain pipe is cleaned, the coupler is controlled to retract the cutter assembly, the sliding key is controlled to retract the supporting piece, the device is withdrawn from the drain pipe, the connecting buckle of the guide crushing part, the transmission supporting part and the control power part is opened, the device is cleaned after being separated and is stored in the device box.
In the invention, as an improvement, the calculation method of the dredging diameter of the drain pipe in the step (2) is as follows:
the distance between the front end point of the long rod and the rear end point of the short rod when the support piece is completely contracted is L1L 'in operation'1
The working axial displacement of the sliding key is DeltaL1
The length of the front end of the long rod is A1Total length of A'1
Short rod length of B1
The opening range of the short rod is H1
The opening amplitude of the long rod is H'1
The diameter of the sliding member is D1
According to the triangle geometrical relationship:
Figure BDA0003527381680000051
wherein,
Figure BDA0003527381680000052
the opening amplitude of the short rod is thus calculated as:
Figure BDA0003527381680000061
according to the geometric similarity relationship:
Figure BDA0003527381680000062
therefore, the opening amplitude of the long rod is calculated as follows:
Figure BDA0003527381680000063
and further determining the dredging diameter of the drain pipe as follows:
Figure BDA0003527381680000064
in the invention, as an improvement, the corresponding relation between the opening amplitude of the umbrella knife rest and the axial displacement of the coupler in the working direction is calculated as follows:
the distance between the front end point of the upper stay bar and the rear end point of the lower stay bar when the umbrella knife rest is completely retracted is L2L 'in operation'2
The working axial displacement of the coupling is DeltaL2
The length of the upper stay bar is A2
The length of the lower stay bar is B2
The opening range of the umbrella knife rest is H2
The diameter of the umbrella cutter shaft is D2
According to the geometrical relationship of the triangle:
Figure BDA0003527381680000065
wherein,
Figure BDA0003527381680000066
thus, the opening amplitude of the umbrella knife rest during working is calculated as follows:
Figure BDA0003527381680000067
the working diameter of the umbrella knife rest is equal to the diameter of the water discharge pipe, so that the umbrella knife rest has the advantages of simple structure, convenient operation and low cost
D=D1+2H′1==D2+2H2
Thus, the coupling working axial displacement Δ L when the blade holder is opened to the maximum extent2Working axial displacement deltaL with sliding key1The conversion relation of (A) is as follows:
Figure BDA0003527381680000071
the scale of the sliding key corresponds to the scale on the axial displacement meter of the coupler.
In the present invention, as an improvement, the determination method for selecting the knife assembly in the step (3) is as follows:
the distance from any point on the upper stay bar of the umbrella knife rest to the front end point of the upper stay bar is x, the distance from the point to the umbrella knife shaft is h, the number of the scraper blades is n, and the maximum line load born by the single scraper is fmaxThe maximum umbrella knife shaft starting torque force borne by the umbrella type scraper during working is as follows:
Figure BDA0003527381680000072
the starting torque force of the pilot drill during independent drilling is MYReadable by said rotary torsion meter when MY<MDmaxWhen in use, an umbrella type scraper component is selected; when M isY>MDmaxWhen in use, the tower type knife sharpening component is selected.
Compared with the prior art, the invention has the beneficial effects that:
(1) the device based on mechanical type modular design is convenient for dismouting, and is light and handy portable, easy and simple to handle to the clearance process need not to consume a large amount of water sources, has good energy-concerving and environment-protective benefit.
(2) The reducing cutter assembly can adapt to the cleaning requirements of different drain pipe sizes and different types of blockages, the type selection of the cutter assembly can be judged through the detection of the guide drill, and the working range of the cutter assembly is determined through the detection of the supporting piece.
(3) When the mouth of the drain pipe is at a high position, the spiral conveying mechanism and the negative pressure mechanism in the device are beneficial to discharging the blocking object scraps.
(4) The opening range of the umbrella knife rest and the support piece determines the axial relative displacement of the corresponding components through calculation, so that the support and cutting ranges are quantitatively controlled, the cleaning range and the working state of the device can be judged from the control power part outside the pipeline, and the umbrella knife rest and the support piece are more convenient to use.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the umbrella type scraper of the present invention;
FIG. 3 is a schematic view of a turret sharpener of the present invention;
FIG. 4 is a cross-sectional view of the tower sharpener of the present invention;
FIG. 5 is a schematic view of a portion of the structure of the reducing ring of the present invention;
FIG. 6 is a schematic structural view of a support assembly of the present invention;
FIG. 7 is a schematic structural view of the screw conveying mechanism of the present invention;
FIG. 8 is a schematic view of the ball bearing and bracket of the present invention;
FIG. 9 is a schematic structural diagram of a power control unit according to the present invention;
FIG. 10 is a schematic calculated view of a support portion of the present invention;
FIG. 11 is a simplified diagram of the calculation of the blade carrier portion of the umbrella of the present invention;
FIG. 12 is a simplified diagram of the calculation of the working state of the umbrella blade carrier of the present invention;
in the figure: 1. guide drill, 2, upper stay, 3, cutter head, 4, umbrella cutter shaft, 5, reducing ring, 6, lower stay, 7, sliding ring, 8, isolation surface, 9, holder, 10, middle shaft, 11, sliding part, 12, long rod, 13, short rod, 14, cutter head, 15, debris inlet, 16, connecting shell, 17, helical blade, 18, control key, 19, scraper blade, 20, protective shell, 21, coupling, 22, collecting bin, 23, power shaft, 25, axial displacement meter, 26, annular torque meter, 27, support frame, 31, brush, 501, pin member, 502, groove member, 503, ring pin, 504, ring groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
A tunnel drain pull through, the device comprising: the guide crushing part, the power control part and the transmission support part.
As shown in fig. 1, the guiding and crushing part is located at the foremost end of the whole device and is a working end part for drilling and crushing the blockage in the pipeline, the guiding and crushing part comprises a guiding drill 1 and a cutter assembly, the guiding drill 1 is installed at the front end of the cutter assembly, the blockage hardness detection and the channel expansion are carried out before crushing and cleaning, and the rear cutter assembly is convenient to push.
As shown in fig. 2 and 3, the knife assembly includes two forms, in which an umbrella type scraper is adapted to soft blockages and a tower type sharpener is adapted to hard blockages.
As shown in fig. 2, the umbrella type scraper assembly comprises an umbrella knife rest, an umbrella knife shaft 4, a sliding ring 7 and a scraper blade, wherein the umbrella knife rest is of a reducing structure.
The umbrella knife rest comprises an upper support rod 2, a lower support rod 6, a reducing ring 5 and an isolation surface 8, wherein the upper support rod 2 and the lower support rod 6 are rod piece structures with fixed lengths, the reducing ring 5 is a telescopic chain structure, and the isolation surface 8 is a deformable sector structure.
The umbrella stand is characterized in that the upper support rod 2 and the lower support rod are arranged in a plurality of surrounding modes, the front end of the upper support rod 2 is connected with an umbrella cutter shaft through a hinged piece, the rear end of the upper support rod 2 is hinged to the reducing ring 5, the front end of the lower support rod 6 is hinged to the reducing ring 5, the upper support rod 2 and the lower support rod 6 are correspondingly hinged to the inner side and the outer side of the reducing ring 5, and the rear end of the lower support rod 6 is connected with the sliding ring 7 through the hinged piece.
Slip ring 7 cup joints in the umbrella arbor 4 outsides to can realize with umbrella arbor 4 between axial displacement, slip ring 7 and umbrella arbor 4 relative displacement control umbrella knife rest open the range, scraper 19 passes through buckle or bolt mounting in last vaulting pole 2 periphery department, installation brush 31 on last vaulting pole 2 of scraper 19 below, the pipeline inner wall after the jam is scraped in the clearance.
As shown in fig. 5, the variable diameter ring 5 is formed by metal members connected in series to form a chain, and the connected pin member 501 is constrained and mounted with the groove member 502 through a ring pin 503 and a ring groove 504, so that the two members can move relatively in the circumferential direction, thereby completing the variable diameter connection.
As shown in fig. 2, the isolation surface 8 covers the outer side of the lower stay bar 6 to separate the spaces on both sides of the isolation surface 8, the sliding ring 7 is connected with the umbrella shaft 4 through a bracket, a conveying channel inlet is reserved on the front side of the isolation surface 8, the inlet is communicated with a blockage conveying channel in the conveying support part, and the bracket is shown in fig. 8.
As shown in fig. 3 and 4, the tower-type knife sharpener includes a plurality of circular table type hollowed-out net shell structured knife discs 3 which are stacked and assembled, the size of the bottom surface of an upper knife disc is consistent with that of the top surface of a lower knife disc adjacent to the upper knife disc, the adjacent knife discs 3 are tightly connected through a common lock catch, the lock catch is provided with a plurality of existing structures, which are not described herein again, and a plurality of granular knife heads 14 are installed on the side surface of the knife disc 3 for abrading hard plugs; the lateral wall between the tool bit 14 is provided with a scrap inlet 15 which is communicated with the inner cavity of the cutter head 3, the lower end of the cutter head 3 is provided with a funnel-shaped furling type connecting shell 16 which is connected below the inner cavity of the cutter head 3, the lower end of the shell is connected with the upper end of a blockage conveying channel, and an internal cavity of the cutter head is communicated with the conveying system to form a conveying channel for blockage scraps.
As shown in fig. 6, the transmission support part comprises a transmission rod and a support component, the transmission rod is composed of a central shaft 10 and a helical blade 17, the front end of the transmission rod is connected with the umbrella shaft 4, and the rear end of the transmission rod is connected with a power shaft 26 of the power control part to construct a power transmission channel.
The supporting component is arranged on the outer side of the conveying rod and comprises a supporting piece, a retaining piece 9 and a sliding piece 11, the supporting piece comprises a long rod 12 and a short rod 13, one end of the short rod 13 is hinged to the sliding piece 11, and the other end of the short rod is hinged to the middle of the long rod 12; one end of the long rod 12 is hinged with the holding piece 9, and the other end is provided with an anti-skid pad, and the end part provided with the anti-skid pad expands outwards and is supported on the inner wall of the pipeline.
The retainer 9 is sleeved outside the conveying rod 10, the retainer 9 forms the outer wall of a spiral conveying channel, the front end of the retainer 9 is connected with the sliding ring 7, so that the spiral conveying channel in the retainer 9 is connected with the front end inlet of the sliding ring 7, blockage debris enters the spiral conveying channel in the retainer 9 through the inlet, the rear end of the retainer 9 is connected with a collecting container, an axially movable ball bearing is arranged at the port to stabilize the annular rotation of the conveying rod 10, and as shown in fig. 7 and 8, the inner side of the ball bearing is connected with the conveying rod through a support 27 to form an outlet of the spiral conveying channel.
The sliding part 11 is arranged outside the holding part 9 and can move along the axial direction of the holding part 9, and the opening and combining actions of the supporting parts are realized through the axial relative movement of the sliding part 11 and the holding part 9.
The lower end of the sliding part 11 is provided with a control key 18 with an axial scale, the control key 18 is arranged on the outer side of the holding part 9 through a sliding groove or a thread, the opening and closing actions of the supporting part are controlled through the axial movement of the control key 18, the opening and closing amplitude can be read through the axial scale, and the scale of the scale is obtained through calculation.
As shown in fig. 9, the control power unit includes a protective shell 20, a coupling 21 and a collection bin 22, the protective shell 20 is a casing of the control power unit, the coupling 21 is wrapped in the protective shell, and the collection bin 22 is externally connected to one side of the protective shell 20;
the front opening of the protective shell 20 is connected with the holding member 9 to limit the axial position of the holding member 9, and at the same time, the outlet of the conveying channel in the holding member 9 is communicated, as shown in fig. 7, the outlet is connected with the side opening by a separated channel in the protective shell 20 to form a channel for discharging the blockage debris, and a negative pressure mechanism can be arranged in the channel or the collection bin to assist the discharge of the blockage debris.
One end of the coupling 21 is connected with a power shaft 23 penetrating into the protective shell, the other end of the coupling 21 is connected with a conveying rod penetrating into the protective shell 21, the coupling 21 can move along the axis, the coupling 21 is provided with an end axial displacement meter 25 and a circumferential torsion meter 26 which are respectively sleeved outside the power shaft 23 and the conveying rod, the power shaft 23 drives the conveying rod and the umbrella cutter shaft 4 to axially move through the coupling 21 to control the opening and closing actions of the umbrella cutter frame, the opening and closing amplitude can be read through the axial displacement meter 25, the reading end of the axial displacement meter 25 is positioned in a transparent cover body of the protective shell 20, the power shaft 23 drives the conveying rod and the cutter assembly to circularly rotate through the coupling 21 to realize the cutting and abrasion actions of the cutter assembly, the hardness of a blockage can be measured through the torsion of the coupling 21, the torsion value can be read through the circumferential torsion meter 26, and when the circumferential torsion meter reading of the device in operation tends to 0, the rotating state of the power shaft and the inner diameter parameter of the pipeline can be combined to judge whether the blockage is cleaned up.
The collection chamber 22 is connected to the side opening of the protective housing 20 by a snap fit.
(1) Assembly test
The cleaning device is taken out from the device box, the guide crushing part, the control power part and the transmission supporting part which are in modular design are inserted together, the connecting buckle is locked to complete assembly, and the connecting condition and the working state of the device are tested by the operation of a hand-operated or motor driving device;
(2) detecting and adjusting
The device is inserted into a blocked drain pipe, the sliding key is operated to drive the sliding part to control the supporting part to be opened until the anti-skid pad is tightly clamped on the wall of the drain pipe, and the diameter of the drain pipe is read from the scale as the dredging and cleaning standard of the cutter assembly; inserting the guide drill into a blockage, manually rotating the guide drill through a power shaft, reading the resistance of the blockage to the guide drill through the annular torsion meter, and judging the selection type of the cutter assembly;
(3) dredge and clean
When the plug texture is softer, select for use umbrella formula scraper to dredge the clearance: installing an umbrella type scraper component to the device, extending the device into a blocked part of a tunnel drain pipe, stabilizing the supporting piece, driving the umbrella knife shaft to axially move through the power shaft to realize that the umbrella knife rest is gradually opened to the diameter size of the drain pipe, driving the umbrella knife shaft to circularly rotate through the power shaft to complete layer-by-layer crushing of a blocking object, immediately enabling blocking object debris to fall into an isolation surface, and conveying the blocking object debris to the collection bin through the conveying rod;
when the jam texture is harder, select for use tower whet a knife to dredge the clearance: assembling a tower type knife sharpener with the diameter suitable for the drain pipe, installing the tower type knife sharpener to the device, extending the device into the blocking position of the tunnel drain pipe, stabilizing the supporting piece, driving the tower type knife sharpener to rotate through the power shaft to complete layer-by-layer crushing of the blocking object, enabling blocking object debris to enter the conveying rod through the side hole of the cutter head, and conveying the blocking object debris to the collection bin through the conveying rod;
(4) finishing and recovering
When the reading of the annular torsion meter of the cleaning device working at each part in the drain pipe is 0, the blockage of the drain pipe is cleaned, the coupler is controlled to retract the cutter assembly, the sliding key is controlled to retract the supporting piece, the device is withdrawn from the drain pipe, the connecting buckle of the guide crushing part, the transmission supporting part and the control power part is opened, the device is cleaned after being separated and is stored in the device box.
As shown in fig. 10, the calculation method of the dredging diameter of the drain pipe in the step (2) is as follows:
the distance between the front end point of the long rod and the rear end point of the short rod when the support piece is completely contracted is L1L 'when in operation'1
The working axial displacement of the sliding key is DeltaL1
The length of the front end of the long rod is A1Total length of A'1
Short rod length of B1
The opening range of the short rod is H1
The opening amplitude of the long rod is H'1
The diameter of the sliding member is D1
According to the triangle geometrical relationship:
Figure BDA0003527381680000131
wherein,
Figure BDA0003527381680000132
the opening amplitude of the short rod is thus calculated as:
Figure BDA0003527381680000133
according to the geometric similarity relationship:
Figure BDA0003527381680000134
therefore, the opening amplitude of the long rod is calculated as follows:
Figure BDA0003527381680000135
and further determining the dredging diameter of the drain pipe as follows:
Figure BDA0003527381680000136
as shown in fig. 11, the corresponding relationship between the opening amplitude of the umbrella blade holder and the axial displacement of the coupler is calculated as follows:
the distance between the front end point of the upper support rod and the rear end point of the lower support rod when the umbrella knife rest is completely contracted is L2L 'in operation'2
The working axial displacement of the coupling is DeltaL2
The length of the upper stay bar is A2
The length of the lower stay bar is B2
The opening range of the umbrella knife rest is H2
The diameter of the umbrella cutter shaft is D2
According to the geometrical relationship of the triangle:
Figure BDA0003527381680000141
wherein,
Figure BDA0003527381680000142
thus, the opening amplitude of the umbrella knife rest during working is calculated as follows:
Figure BDA0003527381680000143
since the working diameter of the umbrella knife rest is equal to the diameter of the water discharge pipe, the umbrella knife rest has the same working diameter as the water discharge pipe
D=D1+2H′1==D2+2H2
Thus, the coupling working axial displacement Δ L when the blade holder is opened to the maximum extent2Working axial displacement deltaL with sliding key1The conversion relation of (A) is as follows:
Figure BDA0003527381680000144
the scale of the sliding key corresponds to the scale on the axial displacement meter of the coupler.
The relation between the pushing distance of the sliding key and the power shaft and the opening range of the supporting leg and the umbrella knife rest can be obtained through calculation, so that the opening displacement can be directly marked on the scale ruler, and the opening range can be visually displayed through the scale.
As shown in fig. 12, the determination method for selecting the knife assembly in step (3) is as follows:
the distance from any point on the upper support rod of the umbrella knife rest to the front end point of the upper support rod is x, the distance from the point to the umbrella knife shaft is h, the number of the scraper blades is n, and the maximum line load born by the single scraper blade is fmaxThe maximum umbrella cutter shaft starting torque force born by the umbrella type scraper during working is as follows:
Figure BDA0003527381680000151
the starting torque force of the pilot drill during independent drilling is MYReadable by said rotary torsion meter when MY<MDmaxWhen in use, an umbrella type scraper component is selected; when M isY>MDmaxWhen in use, the tower type knife sharpening component is selected.
When tower type sharpening is selected as the knife assembly of the device, the diameter of the largest cutter head is consistent with that of the drain pipe, and then the cutter heads with small diameters are sequentially stacked and assembled to form the tower type sharpening assembly.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.

Claims (9)

1. A cleaning device for tunnel drain ends, the device comprising:
the guide crushing part is positioned at the front end of the device and comprises a guide drill and a cutter assembly for drilling and crushing the blockage in the pipeline;
the control power part is positioned at the rear end of the device, controls the working state of the cleaning device and provides power required by the normal work of the cleaning device;
the transmission support part is connected between the guide crushing part and the power control part and comprises a transmission system and a support system, wherein the transmission system is used for transmitting power and conveying debris, and the support system is used for stabilizing the device to finish cleaning action;
the guide drill and the transmission system are coaxially installed, the guide drill is positioned at the top end of the device, and the cutter assembly is positioned behind the guide drill and is of a variable-diameter structure.
2. A cleaning device for tunnel drain ends according to claim 1, characterized in that: knife tackle spare arranges between guide drill and transmission supporting part, for replaceable structure, including umbrella formula scraper and tower sharpen, wherein, umbrella formula scraper has:
the umbrella knife rest is of an umbrella type telescopic structure consisting of a stay bar and a reducing ring, the stay bar comprises an upper stay bar and a lower stay bar, the reducing ring is of a telescopic chain type structure, and an isolation surface is arranged at the lower stay bar;
the umbrella cutter shaft is a cutter component middle shaft;
the sliding ring is sleeved outside the umbrella cutter shaft;
the scraper blade is arranged on the outer side of the upper support rod through a buckle;
the front ends of a plurality of upper support rods are hinged to the outer side of the umbrella cutter shaft in an annular mode, the rear ends of the upper support rods are hinged to the reducing ring, the front ends of the lower support rods and the rear ends of the upper support rods are correspondingly hinged to the reducing ring, and the rear ends of the lower support rods are hinged to the sliding ring;
the opening range of the umbrella knife rest can be controlled by the relative axial movement of the sliding ring and the umbrella knife shaft.
3. A cleaning device for tunnel drain ends according to claim 2, characterized in that: the tower type knife sharpening device comprises a plurality of circular table type hollowed-out net shell structure knife discs which are assembled in a stacking mode, the size of the bottom surface of an upper knife disc is consistent with that of the top surface of a lower knife disc adjacent to the upper knife disc, and the adjacent knife discs are tightly connected through lock catches; a plurality of granular cutter heads are arranged on the side surface of the cutter head and used for abrading hard plugs; the inner cavity of the cutter head is communicated with the conveying system to form a conveying channel for the blockage debris.
4. A cleaning device for tunnel drain ends according to claim 1, characterized in that: the transmission supporting part comprises a supporting component and a conveying rod, and the conveying rod is connected with the umbrella cutter shaft and a power shaft of the power control part to form a channel for power transmission and blockage fragment conveying;
the conveying rod is a rod piece with a spiral structure, the inlet at the front end of a spiral channel of the conveying rod is positioned in the umbrella knife rest, and the outlet at the rear end of the spiral channel is positioned in the power control part and used for conveying blocking debris;
the supporting component is arranged on the outer side of the conveying rod and comprises a supporting piece, a retaining piece and a sliding piece;
the supporting piece comprises a long rod and a short rod, one end of the short rod is hinged to the sliding piece, and the other end of the short rod is hinged to the middle of the long rod; one end of the long rod is hinged with the holding piece, and the other end is provided with an anti-skid pad.
The holder is sleeved outside the conveying rod, the front end of the holder is connected with a sliding ring in the cutter head set, and a port of the holder is provided with an axially movable ball bearing for stabilizing the rotation of the conveying rod;
the sliding piece is arranged on the outer side of the retaining piece and can move along the axial direction of the retaining piece, and the opening and combining actions of the supporting piece are realized through the axial relative movement of the sliding piece and the retaining piece;
the lower end of the sliding part is provided with a control key with an axial scale, the opening and combination actions of the supporting part are controlled through the axial movement of the control key, and the opening and closing amplitude can be read through the axial scale.
5. A cleaning device for tunnel drain ends, according to claim 1, characterized in that: the control power part comprises a protective shell, a coupler and a collection bin;
the protective shell wraps the coupler and is externally connected with the collection bin;
the front end opening of the protective shell is connected with the retaining piece; the side opening of the protective shell is connected with the collecting bin to form a discharge channel of the blocking debris;
one end of the coupler is connected with a power shaft penetrating into the protective shell, and the other end of the coupler is connected with a conveying rod penetrating into the protective shell; the power shaft drives the conveying rod and the umbrella cutter shaft to axially move through the coupler, so that the opening and closing actions of the umbrella cutter frame can be controlled, and the opening and closing amplitude can be read through the axial displacement meter; the power shaft drives the conveying rod and the cutter assembly to rotate annularly through the coupler, so that the cutting and abrasion actions of the cutter assembly are realized, the hardness of a blockage can be measured through the torque force of the rotation of the coupler, and the torque force value can be read through an annular torque force meter;
the collecting bin is connected to the side opening of the protective shell through a buckle, and the collecting bin is provided with a negative pressure device to assist in discharging the blocking object debris.
6. A use method of a cleaning device for the tail end of a tunnel drain pipe is characterized by comprising the following steps:
(1) assembly test
The cleaning device is taken out from the device box, the guide crushing part, the control power part and the transmission supporting part which are in modular design are inserted together, the connecting buckle is locked to complete assembly, and the connecting condition and the working state of the device are tested by the operation of a hand-operated or motor driving device;
(2) detecting and adjusting
The device is inserted into a blocked drain pipe, the sliding key is operated to drive the sliding part to control the support part to open until the anti-skid pad is tightly clamped on the wall of the drain pipe, and the diameter of the drain pipe is read from the scale and is used as the dredging and cleaning standard of the cutter assembly; inserting the guide drill into a blockage, manually rotating the guide drill through a power shaft, reading the resistance of the blockage to the guide drill through the annular torsion meter, and judging the selection type of the cutter assembly;
(3) dredge and clean
When the jam texture is softer, select for use umbrella formula scraper to dredge the clearance: installing an umbrella type scraper component to the device, extending the device into a blocked part of a tunnel drain pipe, stabilizing the supporting piece, driving the umbrella knife shaft to axially move through the power shaft to realize that the umbrella knife rest is gradually opened to the diameter size of the drain pipe, driving the umbrella knife shaft to circularly rotate through the power shaft to complete layer-by-layer crushing of a blocking object, immediately enabling blocking object debris to fall into an isolation surface, and conveying the blocking object debris to the collection bin through the conveying rod;
when the jam texture is harder, select for use tower whet a knife to dredge the clearance: assembling a tower type knife sharpener with the diameter suitable for the drain pipe, installing the tower type knife sharpener to the device, extending the device into the blocking position of the tunnel drain pipe, stabilizing the supporting piece, driving the tower type knife sharpener to rotate through the power shaft to complete layer-by-layer crushing of the blocking object, enabling blocking object debris to enter the conveying rod through the side hole of the cutter head, and conveying the blocking object debris to the collection bin through the conveying rod;
(4) finishing and recovering
When the reading of the annular torsion meter of the cleaning device working at each part in the drain pipe is 0, the blockage of the drain pipe is cleaned, the coupler is controlled to retract the cutter assembly, the sliding key is controlled to retract the supporting piece, the device is withdrawn from the drain pipe, the connecting buckle of the guide crushing part, the transmission supporting part and the control power part is opened, the device is cleaned after being separated and is stored in the device box.
7. Use of a cleaning device for tunnel drain ends according to claim 6, characterized in that: the calculation method of the dredging diameter of the drain pipe in the step (2) is as follows:
the distance between the front end point of the long rod and the rear end point of the short rod when the supporting piece is completely contracted is L1L 'in operation'1
The working axial displacement of the sliding key is DeltaL1
The length of the front end of the long rod is A1Total length of A'1
The short rod has a length of B1
The opening range of the short rod is H1
The opening amplitude of the long rod is H'1
The diameter of the sliding member is D1
According to the geometrical relationship of the triangle:
Figure FDA0003527381670000041
wherein,
Figure FDA0003527381670000042
the opening amplitude of the short rod is thus calculated as:
Figure FDA0003527381670000043
according to the geometric similarity relationship:
Figure FDA0003527381670000044
therefore, the opening amplitude of the long rod is calculated as follows:
Figure FDA0003527381670000051
and further determining the dredging diameter of the drain pipe as follows:
Figure FDA0003527381670000052
8. the use method of the cleaning device for the tail end of the tunnel drainage pipe as claimed in claim 6, wherein the cleaning device comprises the following steps: the corresponding relation between the opening amplitude of the umbrella knife rest and the axial displacement of the coupler in the working direction is calculated as follows:
the distance between the front end point of the upper support rod and the rear end point of the lower support rod when the umbrella knife rest is completely contracted is L2L 'in operation'2
The working axial displacement of the coupling is DeltaL2
The length of the upper stay bar is A2
The length of the lower stay bar is B2
The opening range of the umbrella knife rest is H2
The diameter of the umbrella cutter shaft is D2
According to the geometrical relationship of the triangle:
Figure FDA0003527381670000053
wherein,
Figure FDA0003527381670000054
thus, the opening amplitude of the umbrella knife rest during working is calculated as follows:
Figure FDA0003527381670000055
since the working diameter of the umbrella knife rest is equal to the diameter of the water discharge pipe, the umbrella knife rest has the same working diameter as the water discharge pipe
D=D1+2H′1==D2+2H2
Thus, the coupling working axial displacement Δ L when the blade holder is opened to the maximum extent2Working axial displacement deltaL with sliding key1The conversion relation of (A) is as follows:
Figure FDA0003527381670000061
the scale of the sliding key corresponds to the scale on the axial displacement meter of the coupler.
9. The use method of the cleaning device for the tail end of the tunnel drainage pipe as claimed in claim 6, wherein the cleaning device comprises the following steps: the determination method for selecting the knife assembly in the step (3) is as follows:
the distance from any point on the upper support rod of the umbrella knife rest to the front end point of the upper support rod is x, the distance from the point to the umbrella knife shaft is h, the number of the scraper blades is n, and the maximum line load born by the single scraper blade is fmaxThe maximum umbrella knife shaft starting torque force borne by the umbrella type scraper during working is as follows:
Figure FDA0003527381670000062
the starting torque force of the pilot drill during independent drilling is MYReadable by said rotary torsion meter when MY<MDmaxWhen in use, an umbrella type scraper component is selected; when M isY>MDmaxWhen in use, the tower type knife sharpening component is selected.
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