CN217163401U

CN217163401U - Cooling circulation water pool of tunnel drilling equipment under litholytic geological condition

Info

Publication number: CN217163401U
Application number: CN202220637642.2U
Authority: CN
Inventors: 李月森; 张志福; 龙益辉; 李建华; 隋振宁; 韩晓冉
Original assignee: Second Engineering Co ltd Of Cccc Fourth Highway Engineering Co ltd
Current assignee: Second Engineering Co ltd Of Cccc Fourth Highway Engineering Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-12
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a tunnel drilling technical field, specific cooling circulation pond of tunnel drilling equipment under litholytic geological condition that says so, including the circulation pond that is equipped with the cooling tower, circulation bottom of the pool portion is equipped with the fluid-discharge tube, and the top is equipped with the mounting panel in the circulation pond, is equipped with filter mechanism on the mounting panel, filter mechanism includes the installation section of thick bamboo and the built-in section of thick bamboo that coaxial cover was established, and the built-in section of thick bamboo is inside to be equipped with the filter core, and the clearance of installation section of thick bamboo and built-in section of thick bamboo is separated through two filter that axially extend and symmetry set up, and the catheter of cooling tower and the feed liquor pipe of circulation pond are coaxial and opposite direction run through the installation section of thick bamboo and built-in section of thick bamboo wall between the two filter realize the intercommunication; and the liquid guide pipe and the liquid inlet pipe are provided with through holes corresponding to the bottoms of the pipe bodies at the gap. The utility model discloses simple structure can effectively carry out the degree of depth cleanness to the coolant liquid and separate its middle and small particle diameter impurity, ensures the cleanliness of coolant liquid and can long-term cyclic use.

Description

Cooling circulation water pool of tunnel drilling equipment under litholytic geological condition

Technical Field

The utility model relates to a tunnel probing technical field, very much relate to tunnel drilling equipment's cooling circulation pond under the litholytic geological conditions.

Background

The rock mass structure, the physical and mechanical properties and the geological conditions of the tunnel construction environment such as topography and landform can all cause important influence to the construction, especially tunnel construction under the litholytic geological conditions, because the particularity of the geological environment, the rock mass joint crack is irregular in development, a large number of goafs, faults and karst areas can exist, and therefore the geological drilling equipment needs to be drilled more, samples are taken more for analysis, and then the construction scheme is determined. The circulating cooling liquid of the drilling equipment can reduce the working temperature of the drilling equipment, simultaneously, impurities such as scraps can be taken out together after punching and can be recycled after sedimentation and screen filtering, but a large amount of small-particle-size scraps impurities and the like are accumulated in the cooling liquid after long-time use, and the normal cooling circulation of a cooling circulation pool and the use of the drilling equipment are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tunnel drilling equipment's cooling circulation pond under the litholytic geological conditions just for solving above-mentioned problem, the utility model discloses simple structure can effectively carry out degree of depth cleanness and separate its middle and small particle diameter impurity to the coolant liquid, ensures the cleanliness of coolant liquid and can long-term recycle.

The utility model discloses a following technical scheme realizes above-mentioned purpose, tunnel drilling equipment's cooling cycle pond under the litholytic geological condition, including the circulation pond that is equipped with the cooling tower, the circulation pond bottom is equipped with the fluid-discharge tube, and the top is equipped with the mounting panel in the circulation pond, is equipped with filter mechanism on the mounting panel, filter mechanism includes the installation section of thick bamboo and the built-in section of thick bamboo that coaxial cover was established, and the built-in section of thick bamboo is inside to be equipped with the filter core, and the installation section of thick bamboo is separated through two filter that axially extend and symmetry set up with the clearance of built-in section of thick bamboo, and the catheter of cooling tower and the feed liquor pipe of circulation pond are coaxial and opposite direction run through the installation section of thick bamboo and the built-in section of thick bamboo wall between the two filter realize the intercommunication; and the liquid guide pipe and the liquid inlet pipe are provided with through holes corresponding to the bottoms of the pipe bodies at the gap.

Preferably, a sealing cavity is arranged at the bottom of the installation cylinder, the bottom of the sealing cavity is communicated with a guide pipe embedded in the wall of the installation cylinder, the guide pipe is matched with a piston at the bottom of the first piston rod, and the top of the first piston rod is exposed into the gap and is provided with a blocking block for blocking the through hole.

Preferably, the sealing cavity is matched with a piston of the second piston rod, and the top of the second piston rod penetrates through the sealing cavity and the bottom wall of the built-in cylinder and then is connected with a piston plate arranged below the filter element.

Preferably, the piston plate is in clearance fit with the built-in cylinder, and a rod body of the second piston rod in the sealing cavity is sleeved with a spring.

Preferably, the mounting cylinder is fixedly connected with the mounting plate, and the top of the gap is blocked by the mounting plate;

the filter element is of a hollow structure and is provided with a liquid through hole communicated with the liquid inlet pipe, and the top of the filter element is provided with a cover plate for plugging an opening at the top of the built-in cylinder;

the mounting panel is provided with a threaded access hole corresponding to the cover plate, and the top of the cover plate coaxially rotates to form an access plate.

Preferably, the access panel is in threaded connection with the threaded access hole, and a handle which penetrates through the threaded access hole and is exposed to the outside is arranged at the top of the access panel.

The utility model discloses before the work, pack into built-in section of thick bamboo with the filter core through the screw thread access hole in, then through the rotatory access panel of handle for the access panel is joined in marriage with screw thread access hole spiral shell, and then makes the apron seal built-in section of thick bamboo. Meanwhile, in the process that the filter element moves downwards to enter the built-in cylinder, the filter element can contact and press the piston plate downwards, the second piston rod drives the piston to move downwards by overcoming the elasticity of the spring, and then hydraulic oil in the sealing cavity enters the guide pipe and pushes the first piston rod to move upwards, and the blocking block moves in the gap until the through holes in the liquid guide pipe and the liquid inlet pipe are blocked. After the filter element is in place, the liquid through hole on the filter element is communicated with the liquid guide pipe and the liquid inlet pipe. And starting the pump machine, pumping the cooling liquid filtered by the filter element into the liquid inlet pipe, wherein the cooling liquid can not enter the gap because the through hole is closed, and only can flow into the filter element, and after being filtered by the filter element, the cooling liquid flows into the liquid guide pipe from the built-in cylinder, and finally flows into the cooling tower to be cooled and then enters the circulating pool.

After the filter element runs for a certain time, the filter element is moved out of the built-in cylinder by separating the threaded access hole from the access plate, the piston plate is pushed up to the stroke end by the second piston rod under the action of the spring, and the liquid guide pipe on the built-in cylinder and the pipe opening of the liquid inlet pipe are blocked. Meanwhile, the second piston rod can suck hydraulic oil in the guide pipe back into the sealing cavity through the piston, the first piston rod drives the blocking block to move downwards, cooling liquid enters the gap from the exposed through hole at the moment, and the cooling liquid enters the guide pipe from the through hole of the guide pipe after being filtered by the filter plate and flows into the cooling tower. The staff quick replacement filter core to in putting into built-in section of thick bamboo with new filter core, the filter core carries out work again, thereby realizes the online renew cartridge operation.

The utility model has the advantages that: the utility model discloses simple structure can effectively carry out the degree of depth cleanness to the coolant liquid and separate its middle and small particle diameter impurity, ensures the cleanliness of coolant liquid and can long-term cyclic use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the filter mechanism;

fig. 3 is a schematic view of another angle of the filter mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-3, the cooling circulation water tank of tunnel drilling equipment under the litholytic geological condition comprises a circulation tank 1 provided with a cooling tower 201, a liquid discharge pipe 202 is arranged at the bottom of the circulation tank 1, a mounting plate 3 is arranged at the top in the circulation tank 1, a filter mechanism 4 is arranged on the mounting plate 3, the filter mechanism 4 comprises a mounting cylinder 401 and an internal cylinder 408 which are coaxially sleeved, a filter element 501 is arranged in the internal cylinder 408, a gap 402 between the mounting cylinder 401 and the internal cylinder 408 is separated by two filter plates 404 which are axially extended and symmetrically arranged, and a liquid guide pipe 2 of the cooling tower 201 and a liquid inlet pipe 203 of the circulation tank 1 are coaxially and oppositely penetrated through the mounting cylinder 401 and the cylinder wall of the internal cylinder 408 between the two filter plates 404 to realize communication; and the liquid guide pipe 2 and the liquid inlet pipe 203 are provided with through holes 204 at the bottom of the pipe body corresponding to the gap 402.

The bottom of the installation cylinder 401 is provided with a sealing cavity 409, the bottom of the sealing cavity 409 is communicated with a guide pipe 407 embedded in the wall of the installation cylinder 401, the guide pipe 407 is matched with a piston at the bottom of a first piston rod 411, the top of the first piston rod 411 is exposed into a gap 402 and is provided with a blocking block 403 for blocking a through hole 204, the sealing cavity 409 is matched with the piston of a second piston rod 406, the top of the second piston rod 406 penetrates through the bottom walls of the sealing cavity 409 and the built-in cylinder 408 and then is connected with a piston plate 405 arranged below the filter element 501, the piston plate 405 is in clearance fit with the built-in cylinder 408, and a spring 410 is sleeved on a rod body of the second piston rod 406 in the sealing cavity 409.

The mounting cylinder 401 is fixedly connected with the mounting plate 3, and the top of the gap 402 is blocked by the mounting plate 3; the filter element 501 is of a hollow structure and is provided with a liquid through hole 502 communicated with the liquid inlet pipe 203, and the top of the filter element 501 is provided with a cover plate 503 for plugging an opening at the top of the built-in barrel 408; the mounting plate 3 is provided with a threaded access hole 301 corresponding to the cover plate 503, and the top of the cover plate 503 is coaxially and rotatably provided with an access plate 504. The access panel 504 is in threaded connection with the threaded access hole 301, and a handle 505 which penetrates through the threaded access hole 301 and is exposed to the outside is arranged at the top of the access panel 504.

The utility model discloses before the work, pack into built-in a section of thick bamboo 408 with filter core 501 through screw thread access hole 301 in, then through the rotatory access panel 504 of handle 505 for access panel 504 is joined in marriage with screw thread access hole 301 spiral shell, and then makes apron 503 seal a built-in section of thick bamboo. Meanwhile, in the process that the filter element 501 moves downwards into the built-in cylinder 408, the piston plate 405 is contacted and pressed downwards, the second piston rod 406 drives the piston to move downwards against the elastic force of the spring 410, so that the hydraulic oil in the sealing cavity 409 enters the guide pipe 407 and pushes the first piston rod 411 to move upwards, and the blocking piece 403 moves in the gap 402 until the through hole 204 on the liquid guide pipe 2 and the liquid inlet pipe 203 is blocked. After the filter element 501 is in place, the liquid through hole 502 on the filter element 501 is communicated with the liquid guide pipe 2 and the liquid inlet pipe 203. The pump is started, the cooling liquid filtered by the filter element is pumped into the liquid inlet pipe 203, and the through hole 204 is closed, so that the cooling liquid cannot enter the gap 402, only flows into the filter element 501, is filtered by the filter element 501, flows into the liquid guide pipe 2 from the built-in barrel 408, finally flows into the cooling tower 2, is cooled and enters the circulation tank 1.

After the filter element 501 runs for a certain time, the threaded access hole 301 and the access plate 504 are separated, the filter element 501 is moved out of the built-in cylinder 408, the piston plate 405 is pushed up to the stroke end by the second piston rod 406 under the action of the spring 411, and the liquid guide tube 2 on the built-in cylinder and the nozzle of the liquid inlet tube 203 are blocked. Meanwhile, the second piston rod 406 sucks hydraulic oil in the conduit 407 back into the sealing chamber 409 through the piston, the first piston rod 411 drives the blocking piece 403 to move downwards, and the cooling liquid enters the gap 402 from the exposed through hole 204, enters the liquid conduit 2 from the through hole 204 of the liquid conduit 2 after being filtered by the filter plate 404 and flows into the cooling tower 201. The filter element is quickly replaced by the worker, the new filter element is arranged in the built-in barrel 408, and the filter element works again, so that the filter element is replaced on line. The cooling liquid in the circulating pool is finally discharged from the liquid beating tube 202 for recycling.

Claims

1. The cooling circulating water pool of the tunnel drilling equipment under the karst geological condition comprises a circulating pool (1) provided with a cooling tower (201), and is characterized in that a liquid discharge pipe (202) is arranged at the bottom of the circulating pool (1), a mounting plate (3) is arranged at the top in the circulating pool (1), a filtering mechanism (4) is arranged on the mounting plate (3), the filtering mechanism (4) comprises a mounting cylinder (401) and a built-in cylinder (408) which are coaxially sleeved, a filter element (501) is arranged in the built-in cylinder (408), a gap (402) between the mounting cylinder (401) and the built-in cylinder (408) is separated by two filter plates (404) which axially extend and are symmetrically arranged, and a liquid guide pipe (2) of the cooling tower (201) and a liquid inlet pipe (203) of the circulating pool (1) are coaxially and oppositely penetrate through the mounting cylinder (401) and the wall of the built-in cylinder (408) between the two filter plates (404) to realize communication; and the liquid guide pipe (2) and the liquid inlet pipe (203) are provided with through holes (204) at the bottom of the pipe body corresponding to the gap (402).

2. The cooling circulation water tank of tunnel drilling equipment under the karst geological condition as recited in claim 1, characterized in that, the bottom of said installation cylinder (401) is provided with a sealed cavity (409), the bottom of the sealed cavity (409) is communicated with a conduit (407) buried in the cylinder wall of the installation cylinder (401), the conduit (407) is matched with the piston at the bottom of the first piston rod (411), the top of the first piston rod (411) is exposed to the gap (402) and is provided with a block (403) for blocking the through hole (204).

3. The cooling circulation water tank of tunnel drilling equipment under litholytic geological conditions, as recited in claim 2, characterized in that said sealed chamber (409) cooperates with the piston of the second piston rod (406), the top of the second piston rod (406) is connected with the piston plate (405) arranged under the filter element (501) after penetrating the sealed chamber (409) and the bottom wall of the inner cylinder (408).

4. A cooling circulation water reservoir for tunnel boring equipment in litholytic geological conditions, as claimed in claim 3, characterized in that said piston plate (405) is a clearance fit with the built-in cylinder (408), and the second piston rod (406) in said sealed chamber (409) is fitted over its rod body with a spring (410).

5. The cooling circulation water tank of a tunnel drilling apparatus under a karst geological condition according to claim 1, characterized in that the mounting cylinder (401) is fixedly connected with the mounting plate (3) and the top of the gap (402) is blocked by the mounting plate (3);

the filter element (501) is of a hollow structure and is provided with a liquid through hole (502) communicated with the liquid inlet pipe (203), and the top of the filter element (501) is provided with a cover plate (503) used for plugging an opening at the top of the built-in barrel (408);

the mounting plate (3) is provided with a threaded access hole (301) corresponding to the cover plate (503), and the top of the cover plate (503) is coaxially and rotatably provided with an access plate (504).

6. The cooling circulation water tank of a tunnel drilling apparatus under a litholytic geological condition as recited in claim 5, characterized in that said access panel (504) is screw-coupled with the screw access hole (301), and a handle (505) passing through the screw access hole (301) and exposed to the outside is provided on the top of the access panel (504).