CN116752599B - A device for removing embedded cards of TRD equipment knife row - Google Patents
A device for removing embedded cards of TRD equipment knife rowInfo
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- CN116752599B CN116752599B CN202310677626.5A CN202310677626A CN116752599B CN 116752599 B CN116752599 B CN 116752599B CN 202310677626 A CN202310677626 A CN 202310677626A CN 116752599 B CN116752599 B CN 116752599B
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Abstract
本发明涉及水泥土连续搅拌墙技术领域，且公开了一种TRD设备刀排埋卡的拔除装置，包括刀排本体和外力起拔系统，所述外力起拔系统包括：泥浆液注入设备，用于通过切割箱内输液通道不间断注入掺有膨润土泥浆液；气压设备，用于将高压空气通过切割箱内部通道不间断输入到所述刀排本体的周围；该TRD设备刀排埋卡的拔除装置，通过泥浆液、气压设备高压旋喷机、油压系统和底座千斤顶设备以及高频振动锤的组合设计，可对刀排主体周围的水泥浆进行减阻处理，并对刀排主体的切割箱进行逐节顶升处理，从而将刀排主体从水泥浆中拔出，刀排主体埋卡处理操作流程简单方便，刀排顶升阻力小，便于对刀排主体进行及时拔出处理。
The present invention relates to the technical field of cement soil continuous mixing wall, and discloses a device for removing the embedded jams of the cutter row of TRD equipment, comprising a cutter row body and an external force pulling system, wherein the external force pulling system comprises: a mud liquid injection device, which is used to continuously inject a slurry mixed with bentonite through an infusion channel in a cutting box; an air pressure device, which is used to continuously input high-pressure air to the periphery of the cutter row body through an internal channel of the cutting box; the device for removing the embedded jams of the cutter row of TRD equipment, through a combined design of mud liquid, a high-pressure rotary jet machine of an air pressure device, an oil pressure system, a base jack device and a high-frequency vibration hammer, can perform drag reduction treatment on the cement slurry around the cutter row body, and perform section-by-section lifting treatment on the cutting box of the cutter row body, thereby pulling the cutter row body out of the cement slurry, the operation process for processing the embedded jams of the cutter row body is simple and convenient, the lifting resistance of the cutter row is small, and the cutter row body can be easily pulled out.
Description
Technical Field
The invention relates to the technical field of cement soil continuous stirring walls, in particular to a pulling device for a cutter row embedded clamp of TRD equipment.
Background
The TRD construction method is also called as an equal-thickness cement soil underground continuous wall construction method, and the underground continuous wall formed by the construction technology can be generally used as an independent basic enclosure structure, and has good water stopping and seepage preventing performances. At present, in the construction process of domestic building engineering in China, a TRD construction method generally adopts a three-step method. The method comprises the steps of firstly injecting cutting fluid to cut a target when the main machine transversely moves forward, secondly reversely cutting back the main machine after the cutting of the first part is finished, rotating a chain cutter in the process to achieve the aim of mixing and stirring cutting soil, and finally, positively returning the main machine, injecting curing fluid to the bottom end of the cutter to achieve full mixing of the cutting soil and the curing fluid, and finishing engineering construction.
When the TRD construction method is adopted for continuous wall water stop construction, when a geological sand layer is dense and thick, meanwhile, the bentonite mixing amount is not controlled in place in the stirring process, a driving system cannot drive a chain on a cutter row to rotate, the cutter row is buried or clamped in an underground soil body due to the fact that the cutter row is buried or clamped in the underground soil body due to geological soil layers or mechanical faults and the like, difficulty in post-treatment of engineering can be increased, equipment damage can be further caused, and therefore the cutter row needs to be pulled out in time.
When the cutter row is buried, cement paste around the environment where the cutter row is located can produce the adsorption effect on the cutter row, when the cutter row is pulled out, the blockage is great, the difficulty of pulling out the cutter row is high, the operation difficulty of pulling out the cutter row is difficult to pull out in time, the post-treatment difficulty of engineering can be increased, and meanwhile, the equipment damage can be further caused.
Disclosure of Invention
In order to solve the problems that when the cutter bar is buried, cement paste around the environment where the cutter bar is positioned can produce an adsorption effect on the cutter bar, when the cutter bar is pulled out, the blockage is large, the difficulty in pulling out the cutter bar is high, the pulling-out operation is difficult, the cutter bar is difficult to pull out in time, the post-treatment difficulty of engineering can be increased, and meanwhile, equipment damage can be further caused, the invention is realized by the following technical scheme that the pulling-out device for the TRD equipment cutter bar buried card comprises a cutter bar body and an external force pulling-out system, and the external force pulling-out system comprises:
the slurry injection device is used for continuously injecting bentonite slurry doped with the slurry through an infusion channel in the cutting box;
the air pressure equipment is used for continuously inputting high-pressure air to the periphery of the cutter bar body through the internal channel of the cutting box;
The high-pressure rotary spraying machine performs high-pressure rotary spraying on slurry doped with bentonite along a peripheral ring of the cutter bar body so as to initially separate the cutter bar body from peripheral soil;
the oil pressure system and the base jack device are used for lifting the cutter row body;
the high-frequency vibration hammer is used for vibrating the cutter bar body and assisting the base jack equipment to lift and pull out the cutter bar body.
Further, the oil pressure system comprises a distributing valve, a pressure gauge, an oil pump and a high-pressure oil pipe;
The base jack equipment comprises two jacks, and the two jacks are connected with the oil pump through the distribution valve and the high-pressure oil pipe.
Further, the external force pulling system further comprises:
the excavator equipment is used for scooping the cement slurry circulated in the groove at the outer side of the cutter bar body to a slurry pool;
and the crane equipment is used for integrally pulling out the rest cutting boxes of the cutter bar body after the cutting boxes of the cutter bar body are disassembled in sections.
Further, the cutter bar body consists of a plurality of sections of cutting boxes, each cutting box consists of a connecting plate, a caterpillar track and a cutter rest, wherein the surfaces of the connecting plates at two sides of each cutting box are provided with a plurality of slotted holes which are distributed in an equilateral triangle array, so that the area formed by a high-pressure air flow layer on the surface of the connecting plate is increased, and a blocking block is arranged in the slotted holes in a sealing and sliding manner;
the connecting plates on two sides of the cutting box are fixedly connected through a middle plate, an air pressure channel is arranged in the middle plate, a plurality of branch channels are formed in the middle plate, one ends of the branch channels are communicated with the air pressure channel, and the other ends of the branch channels are communicated with the slotted holes.
Further, the surface of the blocking block, which is close to one side of the branch channel, is fixedly provided with a supporting rod, a supporting plate is arranged in the air pressure channel, and the supporting rods on the surface of the blocking block in the same connecting plate are fixedly arranged on the surface of the same supporting plate;
the middle plate is internally provided with a telescopic cylinder for controlling the support plate to move.
Further, the surface of the blocking block, which is close to one side of the branch channel, is a concave spherical surface, and the surface of the blocking block, which is far away from one side of the branch channel, is a spherical surface.
The method for removing the buried card of the TRD equipment knife bank comprises the following specific operation steps:
s1, diluting cement slurry;
S101, continuously injecting slurry mixed with bentonite through an infusion channel in a cutting box by using slurry injection equipment;
S102, continuously inputting high-pressure air to the periphery of the cutter bar body through an internal channel of the cutting box by utilizing air pressure equipment;
s2, performing high-pressure rotary spraying and loosening on the periphery of the cutter row;
Adopting a high-pressure rotary spraying machine, carrying out high-pressure rotary spraying on slurry doped with bentonite along a peripheral circle of the cutter bar body (cement slurry cannot be used), so that the cutter bar body is primarily separated from peripheral soil bodies (because a geological soil layer is a silt layer, a sand layer is thicker and denser, and the sand layer still has serious precipitation after rotary spraying operation);
S3, backfilling soil around the cutter bar body, after the backfilling of the soil around the cutter bar body is stable, placing two steel plates with the thickness not less than 4 centimeters on two sides of the cutter bar body, placing two roadbed plates with the thickness not less than 30 centimeters on the vertical steel plates, and placing two counterforce beams on the roadbed plates;
S4, arranging two jacks in the base jack device at the lower end of the cross beam of the cutter row body, connecting the two jacks with an oil pump through a heavy distributing valve of an oil pressure system and a high-pressure oil pipe, starting the oil pump to test the jacks, and ensuring that a jacking oil way and a falling oil way are smooth;
S5, lifting the high-frequency hammer by using a crawler belt, clamping a cross beam clamping opening at the upper end of the cutter bar body, starting the high-frequency vibration hammer, and enabling single vibration time not to exceed 2 minutes, wherein the tightness degree of a connecting bolt of the cross beam and the cutter bar body is required to be concerned, and once the cutter bar is loosened, the cutter bar body is required to be immediately screwed;
s6, synchronously jacking;
s601, starting a jack cutter row pulling body after the high-frequency vibration hammer completes the first vibration;
s602, repeatedly and circularly starting high-frequency hammer vibration and jack lifting until the jack lifts the cutting box of the cutter row body out of the ground section by section within a controllable pressure range;
s7, sectional dismantling of the cutting box;
and when each section of the cutting box of the cutter row is ejected, the cutting box is disassembled in sections.
Further, the diluted cement slurry in S1 further includes:
s103, scooping cement slurry circulated in the groove at the outer side of the cutter bar body to a slurry pool by utilizing excavator equipment, so that cement slurry in and around the cutter bar body is emptied, and the cutter bar body and the peripheral soil body are prevented from being solidified together by the cement slurry.
Further, the step of synchronous jacking in S6 further includes:
In the lifting process, the change of the pressure gauge is concerned, when the jack reaches the maximum lifting force, the stop valve at the front end of the oil pump is closed, the load is continued for 10 to 15 minutes, and the change condition of the pressure gauge is concerned, if the pressure gauge slowly descends, the cutter row body slowly ascends.
Further, the method further comprises the following steps:
S8, integrally lifting out;
When the sections of the cutting boxes of the cutter row are removed in a segmented mode, the crane equipment is used for integrally pulling out the cutting boxes of the rest cutter row bodies.
Compared with the prior art, the invention has the following beneficial effects:
This pulling out device of card is buried to TRD equipment sword row, through the combined design of mud thick liquid, pneumatic equipment high pressure jet-grouting machine, oil hydraulic system and base jack equipment and high frequency vibration hammer, can carry out drag reduction to the grout around the sword row main part and carry out the jacking processing section by section to the cutting box of sword row main part, thereby extract the sword row main part from the grout, sword row main part buries card processing operation simple and convenient flow, sword row jacking resistance is little, be convenient for carry out in time to the sword row main part and pull out the processing, be convenient for the subsequent construction treatment of engineering, be favorable to reducing the loss of equipment.
Drawings
FIG. 1 is a side view of the structure of the cutting box of the present invention;
FIG. 2 is a side view of the internal structure of the cutting box of the present invention;
FIG. 3 is a side view of the internal structure of the cutting box of the present invention;
Fig. 4 is a front view of the outside surface structure of the cutting case of the present invention.
In the figure, 1, a connecting plate, 11, a slot hole, 2, a middle plate, 3, an air pressure channel, 31, a branch channel, 4, a support plate, 41, a support rod, 5, a blocking block and 6, and a telescopic cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the pulling device for the TRD equipment knife row embedded card is as follows:
Referring to fig. 1-4, a pulling device for a buried card of a cutter row of a TRD apparatus includes a cutter row body and an external force pulling system, where the external force pulling system includes:
the slurry injection device is used for continuously injecting bentonite slurry doped with the slurry through an infusion channel in the cutting box;
the excavator equipment is used for scooping cement slurry circulated in the groove at the outer side of the cutter row body to a slurry pool;
the air pressure equipment is used for continuously inputting high-pressure air to the periphery of the cutter bar body through the internal channel of the cutting box;
the high-pressure rotary spraying machine uses slurry doped with bentonite to perform high-pressure rotary spraying along a peripheral ring of the cutter bar body so as to initially separate the cutter bar body from peripheral soil;
The base jack device comprises two jacks and is used for connecting the two jacks with the oil pump through the distribution valve and the high-pressure oil pipe;
The high-frequency vibration hammer is used for vibrating the cutter bar body and assisting the base jack equipment to lift and pull the cutter bar body;
crane equipment, when the cutting box of the cutter bar body is disassembled into a plurality of sections in a segmented mode, the crane equipment is utilized to integrally pull out the cutting boxes of the rest cutter bar bodies
The cutter bar body comprises a cutter bar body, the cutter bar body comprises a plurality of sections of cutting boxes, the cutting boxes are composed of connecting plates 1, chain rails and cutter holders, wherein a plurality of slotted holes 11 are formed in the surfaces of the connecting plates 1 on two sides of the cutting boxes, a blocking block 5 is mounted in a sealing sliding mode in the slotted holes 11, the surfaces of the blocking block 5, which are close to one side of a branch channel 31, are concave spherical curved surfaces, when high-pressure gas is sprayed out of the branch channel 31, the high-pressure gas is sprayed back to the outer side surfaces of the connecting plates 1 through the concave spherical curved surfaces of the blocking block 5, umbrella-shaped airflow is formed, the surfaces of the blocking block 5, which are far away from one side of the branch channel 31, are spherical surfaces, when the cutting boxes are lifted, the spherical surfaces of the outer side surfaces of the blocking block 5 are designed, lifting resistance can be reduced, the slotted holes 11 are distributed in an equilateral triangle array, and the area formed by a high-pressure airflow layer on the surface of the connecting plates 1 is facilitated to be improved.
The connecting plates 1 on two sides of the cutting box are fixedly connected through the middle plate 2, an air pressure channel 3 is arranged in the middle plate 2, a plurality of branch channels 31 are formed in the middle plate 2, one ends of the branch channels 31 are communicated with the air pressure channel 3, and the other ends of the branch channels are communicated with the slotted holes 11.
The surface of the blocking piece 5, which is close to one side of the branch channel 31, is fixedly provided with a supporting rod 41, the inside of the air pressure channel 3 is provided with a supporting plate 4, the supporting rods 41 on the surface of the blocking piece 5 in the same connecting plate 1 are fixedly arranged on the surface of the same supporting plate 4, and the inside of the middle plate 2 is provided with a telescopic cylinder 6 for controlling the supporting plate 4 to move.
High-pressure gas is input into the air pressure channel 3 by utilizing air pressure equipment, the high-pressure gas enters the branch channel 31 through the air pressure channel 3, meanwhile, the support plate 4 is driven to move by the telescopic cylinder 6, the support plate 4 drives the blocking piece 5 to move through the support rod 41, so that the slotted holes 11 on the surface of the connecting plate 1 are opened, the high-pressure gas in the branch channel 31 is sprayed out, and under the back spraying action of the concave spherical curved surface in the inner side surface of the blocking piece 5, the high-pressure gas is sprayed onto the surface of the connecting plate 1, a high-pressure gas flow layer can be formed on the surface of the connecting plate 1 through the cooperation of the slotted holes 11 on the surface of the connecting plate 1, so that cement paste is separated from the surface of the connecting plate 1, the adsorption acting force of cement paste on the surface of the cutting box is reduced, and the rising resistance of the cutting box is reduced.
The method for removing the buried card of the TRD equipment knife bank comprises the following specific operation steps:
s1, diluting cement slurry;
S101, continuously injecting slurry mixed with bentonite through an infusion channel in a cutting box by using slurry injection equipment;
S102, continuously inputting high-pressure air to the periphery of the cutter bar body through an internal channel of the cutting box by utilizing air pressure equipment;
S103, scooping cement slurry circulated in the groove at the outer side of the cutter bar body to a slurry pool by utilizing excavator equipment, so that cement slurry in and around the cutter bar is emptied, and the cutter bar body and the peripheral soil body are prevented from being solidified together by the cement slurry;
s2, performing high-pressure rotary spraying and loosening on the periphery of the cutter row;
Adopting a high-pressure rotary spraying machine, carrying out high-pressure rotary spraying on slurry doped with bentonite along a peripheral circle of the cutter bar body (cement slurry cannot be used), so that the cutter bar body is primarily separated from peripheral soil bodies (because a geological soil layer is a silt layer, a sand layer is thicker and denser, and the sand layer still has serious precipitation after rotary spraying operation);
S3, backfilling soil around the cutter bar body, after the backfilling of the soil around the cutter bar body is stable, placing two steel plates with the thickness not less than 4 centimeters on two sides of the cutter bar body, placing two roadbed plates with the thickness not less than 30 centimeters on the vertical steel plates, and placing two counterforce beams on the roadbed plates;
S4, arranging two jacks in the base jack device at the lower end of the cross beam of the cutter row body, connecting the two jacks with an oil pump through a heavy distributing valve of an oil pressure system and a high-pressure oil pipe, starting the oil pump to test the jacks, and ensuring that a jacking oil way and a falling oil way are smooth;
S5, lifting the high-frequency hammer by using a crawler belt, clamping a cross beam clamping opening at the upper end of the cutter bar body, starting the high-frequency vibration hammer, and enabling single vibration time not to exceed 2 minutes, wherein the tightness degree of a connecting bolt of the cross beam and the cutter bar body is required to be concerned, and once the cutter bar is loosened, the cutter bar body is required to be immediately screwed;
s6, synchronously jacking;
s601, starting a jack cutter row pulling body after the high-frequency vibration hammer completes the first vibration;
s602, repeatedly and circularly starting high-frequency hammer vibration and jack lifting until the jack lifts the cutting box of the cutter row body out of the ground section by section within a controllable pressure range;
In the jacking process, the change of the pressure gauge is concerned, when the jack reaches the maximum jacking force, the stop valve at the front end of the oil pump is closed, and the load is continued for 10 to 15 minutes;
s7, sectional dismantling of the cutting box;
when each section of the cutting box of the cutter row is ejected, the cutting box is disassembled in sections;
S8, integrally lifting out;
When the sections of the cutting boxes of the cutter row are removed in a segmented mode, the crane equipment is used for integrally pulling out the cutting boxes of the rest cutter row bodies.
An embodiment of extracting the TRD equipment knife row embedded card by adopting an extracting method of the TRD equipment knife row embedded card comprises the following steps:
(1) Dilute wet cement slurry:
The slurry liquid injection equipment is utilized to uninterruptedly inject the slurry liquid doped with bentonite through the infusion channel in the cutting box, the air pressure equipment is utilized to input high-pressure air to the periphery of the cutter bar body through the internal channel of the cutting box, the uninterrupted input of the pressure air is ensured, and meanwhile, the cement slurry circulating in the groove is scooped to a slurry pond by the excavator, so that the cement slurry in and around the cutter bar is emptied, and the cutter bar and the peripheral soil body are prevented from being solidified together by the cement slurry.
(2) High-pressure rotary spraying and loosening at the periphery of the cutter row:
and (3) adopting a crawler-type high-pressure rotary spraying machine, and performing operation by using slurry doped with bentonite along a circle of the cutter row (cement slurry cannot be used), so that the cutter row is primarily separated from surrounding soil bodies (because a geological soil layer is a silty layer, a sand layer is thicker and denser, and the sand layer still has serious sediment after the rotary spraying operation).
(3) And the counter force of the base jack is set, namely, after the soil body around the cutter bar is backfilled firmly, two steel plates with the thickness of 4 centimeters are placed parallel to two sides of the cutter bar, two roadbed plates with the thickness of 30 centimeters are placed on the vertical steel plates, and two counter force beams are placed on the roadbed plates, so that an operation space is provided for subsequent pulling. Meanwhile, a 150 ton high-frequency vibration hammer is needed to enter the field and is matched with a jack for lifting.
(4) The oil pressure system is provided with 2 200 tons of double-acting jacks, 2 distribution valves, two pressure gauges, one oil pump and a plurality of high-pressure oil pipes. The jacks are arranged at the lower ends of the knife row cross beams, the two jacks are connected with the oil pump through the distributing valve and the high-pressure oil pipe, the oil pump is started to test the jacks, and the smoothness of the jacking oil way and the falling oil way is ensured.
(5) And lifting the high-frequency vibrating hammer by using the crawler belt, clamping a cross beam clamping opening at the upper end of the cutter row, and starting the high-frequency vibrating hammer, wherein the single vibrating time is not more than 2 minutes. Meanwhile, the tightness degree of the connecting bolts of the cross beam and the cutter row is required to be paid attention to, once relaxed, it needs to be immediately tightened.
(6) And synchronously jacking, namely after the first vibration of the high-frequency vibration hammer is finished, implementing the jack tool drawing row. In the jacking process, the change of the pressure gauge is concerned, and because each section of cutting box of the cutter row in the embodiment is connected by 8 high-strength bolts, the bearing force of each bolt is not more than 48 tons, and therefore, the maximum value of the jacking force is not more than 380 tons each time. When the maximum jacking force is reached, a stop valve at the front end of the oil pump is closed, and the load is held for 13 minutes.
Repeating the high-frequency hammer vibration and the jack lifting until the jack lifts the cutting box of the cutter row out of the ground section by section within the controllable pressure range, and removing sections.
(7) And the sections are removed, namely the length of each section of cutting box of the cutter row is about 3.6 meters, and when each section is ejected, the cushion block is heightened and safely controlled, so that people are prevented from being hurt by dumping the cushion block or the removed cutting box.
(8) And the whole body is lifted out, namely when the cutting box of the cutter row is disassembled in sections, the friction force between the cutter row and the soil body is small, and the rest cutter row cutting box can be directly pulled out integrally by using a 150-ton crane.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The pulling device for the TRD equipment knife row embedded card comprises a knife row body and an external force pulling system, and is characterized in that the external force pulling system comprises slurry liquid injection equipment, a cutting box and a cutting box, wherein the slurry liquid injection equipment is used for continuously injecting bentonite slurry mixed with the slurry liquid through an infusion channel in the cutting box; the high-pressure rotary spraying machine is used for continuously inputting high-pressure air to the periphery of the cutter bar body through an internal channel of a cutting box, carrying out high-pressure rotary spraying on slurry doped with bentonite along a circle of the cutter bar body to enable the cutter bar body to be initially separated from peripheral soil bodies, an oil pressure system and a base jack device are used for lifting the cutter bar body, a high-frequency vibration hammer is used for vibrating the cutter bar body to assist the base jack device in lifting the cutter bar body, the cutter bar body consists of a plurality of sections of cutting boxes, each cutting box consists of a connecting plate (1), a chain rail and a cutter frame, a plurality of slotted holes (11) are formed in the surfaces of the connecting plates (1) on two sides of each cutting box, a blocking block (5) is arranged in sealing sliding mode in the inner portions of the slotted holes (11), the connecting plates (1) on two sides of each cutting box are fixedly connected through an intermediate plate (2), an air pressure channel (3) is formed in the inner portion of the intermediate plate (2), a branch channel (31) is formed in the inner portion of the intermediate plate (2), one end of each branch channel (31) is communicated with one end of each air pressure channel (3), the other end of the air pressure connecting plate is communicated with the slotted hole (11), a supporting rod (41) is fixedly arranged on the surface of one side, close to the branch channel (31), of the blocking block (5), a supporting plate (4) is arranged in the air pressure channel (3), the supporting rods (41) on the surface of the blocking block (5) in the same connecting plate (1) are fixedly arranged on the surface of the same supporting plate (4), a telescopic cylinder (6) for controlling the movement of the supporting plate (4) is arranged in the middle plate (2), the surface, close to the side of the branch channel (31), of the blocking block (5) is a concave spherical surface, and the surface, far away from the side of the branch channel (31), of the blocking block (5) is a spherical surface.
2. The pulling device for the TRD equipment knife row embedded card, according to claim 1, wherein the oil pressure system comprises a distribution valve, a pressure gauge, an oil pump and a high-pressure oil pipe, and the base jack equipment comprises two jacks, and the two jacks are connected with the oil pump through the distribution valve and the high-pressure oil pipe.
3. The pulling device for the TRD equipment knife row buried clamp according to claim 2, wherein the external pulling system further comprises a digging machine device for scooping cement slurry circulated in the groove on the outer side of the knife row body to a slurry pond, and a crane device for integrally pulling out the rest of the cutting boxes of the knife row body after the cutting boxes of the knife row body are removed in sections.
4. The method for removing the buried card of the TRD equipment knife row, which adopts the device for removing the buried card of the TRD equipment knife row according to claim 3, comprises the following specific operation steps:
s1, diluting cement slurry, S101, continuously injecting the slurry doped with bentonite by using slurry injection equipment through an infusion channel in a cutting box;
S102, continuously inputting high-pressure air to the periphery of the cutter bar body through an internal channel of the cutting box by utilizing air pressure equipment;
s2, performing high-pressure rotary spraying on the periphery of the cutter bar to loosen, and performing high-pressure rotary spraying on slurry doped with bentonite along the periphery of the cutter bar body by adopting a high-pressure rotary spraying machine so as to initially separate the cutter bar body from the peripheral soil body;
S3, backfilling soil around the cutter bar body, after the backfilling of the soil around the cutter bar body is stable, placing two steel plates with the thickness not less than 4 centimeters on two sides of the cutter bar body, placing two roadbed plates with the thickness not less than 30 centimeters on the vertical steel plates, and placing two counterforce beams on the roadbed plates;
S4, arranging two jacks in the base jack device at the lower end of the cross beam of the cutter row body, connecting the two jacks with an oil pump through a heavy distributing valve of an oil pressure system and a high-pressure oil pipe, starting the oil pump to test the jacks, and ensuring that a jacking oil way and a falling oil way are smooth;
S5, lifting the high-frequency hammer by using a crawler belt, clamping a cross beam clamping opening at the upper end of the cutter row body, and starting the high-frequency vibration hammer, wherein the single vibration time is not more than 2 minutes;
s6, synchronous lifting, S601, starting a jack to pull out a cutter row body after the first vibration of the high-frequency vibration hammer is finished, S602, starting the high-frequency vibration hammer to vibrate and lifting the jack repeatedly and circularly until the jack lifts the cutting box of the cutter row body out of the ground section by section within a controllable pressure range;
S7, the cutting boxes are removed in sections, and when each section of the cutting box of the cutter row is ejected out, the cutting boxes are removed in sections.
5. The method for extracting the embedded card of the TRD equipment knife row of claim 4, wherein the step S1 of diluting the cement slurry further comprises the step S103 of scooping the cement slurry circulated in the groove outside the knife row body to a slurry pond by utilizing a digging machine to empty the cement slurry in and around the knife row, so as to prevent the cement slurry from solidifying the knife row body and the peripheral soil body together.
6. The method for pulling out the embedded card of the TRD equipment knife bank according to claim 5, wherein the step S6 of synchronously lifting the embedded card further comprises the steps of focusing on the change of the pressure gauge in the lifting process, closing a stop valve at the front end of the oil pump when the jack reaches the maximum lifting force for 10 to 15 minutes, focusing on the change of the pressure gauge, and indicating that the knife bank body is slowly lifted if the pressure gauge is slowly lowered.
7. The method for extracting the embedded card of the TRD equipment knife row of claim 6, further comprising S8, integrally lifting out, wherein after the sections of the cutting boxes of the knife row are removed, the cutting boxes of the rest knife row bodies are integrally pulled out by using crane equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310677626.5A CN116752599B (en) | 2023-06-09 | 2023-06-09 | A device for removing embedded cards of TRD equipment knife row |
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| CN202310677626.5A CN116752599B (en) | 2023-06-09 | 2023-06-09 | A device for removing embedded cards of TRD equipment knife row |
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| CN116752599B true CN116752599B (en) | 2025-09-12 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205685262U (en) * | 2016-06-12 | 2016-11-16 | 中国石油集团渤海钻探工程有限公司 | Oil well cement paste thickening experiment slurry cup provision for disengagement |
| CN115387325A (en) * | 2022-06-08 | 2022-11-25 | 东通岩土科技股份有限公司 | A construction method in which the TRD construction method pile driver is trapped and cuts the box |
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| CN115977066A (en) * | 2022-11-15 | 2023-04-18 | 江苏省交通工程集团有限公司 | Construction method of TRD cement mixing wall in limited space |
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| CN205685262U (en) * | 2016-06-12 | 2016-11-16 | 中国石油集团渤海钻探工程有限公司 | Oil well cement paste thickening experiment slurry cup provision for disengagement |
| CN115387325A (en) * | 2022-06-08 | 2022-11-25 | 东通岩土科技股份有限公司 | A construction method in which the TRD construction method pile driver is trapped and cuts the box |
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