CN212664368U

CN212664368U - Heating type triethylene glycol washs stove

Info

Publication number: CN212664368U
Application number: CN202020766818.5U
Authority: CN
Inventors: 胡全林; 胡竹林
Original assignee: Yancheng Shengfeng Machinery Co ltd
Current assignee: Yancheng Shengfeng Machinery Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-03-09
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses an add fever type triethylene glycol and wash stove relates to and washs the stove field, including base and washing stove, wash the stove inner chamber and cut apart into washing chamber, function chamber and retrieve the chamber through the baffle, it is equipped with the washing subassembly to wash the intracavity, it is equipped with bar transfer line and stirring vane including wasing frame, lead screw, positioning seat and scraper blade to wash the subassembly, it is equipped with driving motor and water conservancy diversion casing to wash intracavity bottom, be equipped with transmission shaft and water conservancy diversion blade in the water conservancy diversion casing, it is equipped with filter stand and the dirty casing of collection to retrieve intracavity chamber top, the base is equipped with the cooling water and deposits the case, be equipped with the heating plate on the wall of washing intracavity bottom. This triethylene glycol washs stove realizes portable loading and unloading of work piece, realizes high-efficient washing for work piece cleaning effect obtains effective guarantee, realizes the filtration after triethylene glycol solution uses, improves the utilization ratio of triethylene glycol solution.

Description

Heating type triethylene glycol washs stove

Technical Field

The utility model relates to a wash the stove field, concretely relates to add fever type triethylene glycol and wash stove.

Background

When the triethylene glycol solution is heated to the boiling temperature, the triethylene glycol solution has alcoholysis and dissolution effects on high polymer melt and has no side effect on a cleaned part, so that the triethylene glycol cleaning furnace is widely applied. There are also a number of problems with existing triethylene glycol cleaning furnaces, such as: the assembly and disassembly of the workpiece are complicated, a large amount of time is consumed, and the manual burden is increased; the cleaning efficiency of the workpiece is low, and the cleaning effect cannot be effectively guaranteed; after the triethylene glycol solution is used, a large amount of impurities exist in the triethylene glycol solution, and the existence of the impurities can reduce the utilization rate of the triethylene glycol solution. Therefore, a new solution is now needed.

Disclosure of Invention

In order to solve the problem, the utility model discloses an add fever type triethylene glycol and wash stove, this triethylene glycol washs stove and realizes the portable loading and unloading of work piece, realizes high-efficient washing for work piece cleaning effect obtains effectively ensuring, realizes the filtration treatment after triethylene glycol solution uses, improves the utilization ratio of triethylene glycol solution.

In order to achieve the above purpose, the utility model provides a following technical scheme: a heating type triethylene glycol cleaning furnace comprises a base and a cleaning furnace fixedly arranged at the upper end of the base, a group of partition plates are arranged at the middle side of the inner end of the cleaning furnace at intervals, the inner cavity of the cleaning furnace is sequentially divided into a cleaning cavity, a function cavity and a recovery cavity from top to bottom by the partition plates, a cleaning assembly is arranged in the cleaning cavity and comprises a cleaning frame, a lead screw uniformly and vertically arranged beside the position of the cleaning frame, a position adjusting seat uniformly and vertically arranged on the outer end wall of the bottom side of the cleaning frame and a scraper vertically and fixedly arranged beside the position of the cleaning frame, a strip-shaped transmission rod and stirring blades are arranged at the bottom end in the cleaning cavity, a driving motor is arranged at the middle side of the top end of the function cavity, a flow guide shell is arranged at the middle side of the inner bottom end, a transmission shaft and flow guide blades are arranged in the flow guide shell, a filter frame and a dirt collecting shell, the cooling water storage box is characterized in that a group of flow guide heat absorption pipes are arranged between the cooling water storage boxes, the flow guide heat absorption pipes penetrate through the inner cavity of the bottom of the recovery cavity, a flow guide pump body is arranged in the cooling water storage box on one side and corresponds to the flow guide heat absorption pipes on one side, and heating sheets are arranged on the bottom end wall in the cleaning cavity. The scraper blade quantity is one, and the scraper blade is used for wasing the clearance of frame outside end wall, retrieves chamber outer end wall bottom side and opens there is the leakage fluid dram, just leakage fluid dram department is equipped with switch valve body, washs the chamber, retrieves the intracavity and all is equipped with temperature sensor and level sensor.

As an improvement of the utility model, a circular through hole is arranged at the middle side of the top end of the cleaning furnace, the position of the top end of the cleaning furnace is corresponding to the position of the circular through hole and is detachably provided with a cover plate, the cleaning frame is in a barrel shape, the outer end wall of the cleaning frame is uniformly and intensively provided with water permeable holes, the diameter of the outer circumference end wall of the cleaning frame is smaller than the inner end diameter of the circular through hole, the outer end wall of the bottom of the cleaning frame is provided with an annular rolling groove, the annular rolling groove is movably provided with an annular rotating frame, the positioning seat is uniformly and fixedly arranged on the outer end wall of the annular rotating frame in equal radian, the screw rods are equal in number with the positioning seats, the screw rods respectively and vertically movably penetrate through the positioning seat, screw rod transmission components are respectively arranged between the inner end wall of the movable penetrating part of the positioning seat and the outer part of the screw rods, the end part of, and the end part of the extending end of the cleaning furnace is externally connected with a rotating motor through a coupler, the scraper is tightly attached to the outer side end wall of the cleaning frame and vertically and fixedly arranged, the position of the scraper is staggered with that of the screw rod, a liquid injection port is formed in the top of the side end wall of the cleaning cavity, and a protective cover is detachably arranged on the outer end wall of the cleaning furnace corresponding to the position of the liquid injection port. The cleaning basket can movably penetrate through the circular opening to move up and down, the screw rod transmission assembly is designed by adopting the existing screw rod transmission principle technology, and the driving motor and the rotating motor are rotating motors.

As an improvement of the utility model, the output shaft of the driving motor extends into the cleaning cavity, the end part of the extending end of the output shaft of the driving motor is horizontally and fixedly provided with a strip-shaped transmission rod, the middle part of the outer end wall of the bottom of the cleaning frame is provided with a strip-shaped transmission groove, the output shaft of the driving motor extends into the outer part of the end and is positioned below the strip-shaped transmission rod, and the equal radian is uniformly provided with stirring blades, the middle part of the top end of the recovery cavity is provided with a water guide opening, the top end part of the transmission shaft is provided with the middle part of the top end wall of the guide shell, the bottom end part of the guide shell penetrates through the water guide opening and extends into the recovery cavity, the equal radian is uniformly provided with the guide blades in the guide shell and is positioned outside the transmission shaft, the inner cavity of the bottom of the cleaning cavity, and a flow guide frame is sleeved outside the bottom end of the transmission shaft and above the position of the cam. The strip-shaped transmission rod can be inserted into the strip-shaped transmission groove.

As an improvement of the utility model, the filter frame and the flow guide frame are both designed into a hollow round platform shape, and the end parts of the upper end and the lower end are all designed to be open, the caliber of the bottom end of the filter frame is smaller than that of the top end, the filter frame is arranged in an inverted trapezoid, the caliber of the bottom end of the flow guide frame is larger than that of the top end, the caliber of the bottom end of the flow guide frame is larger than that of the bottom end of the filter frame, the lower end of the bottom end of the filter frame is detachably provided with a sewage collecting shell, the filter frame is uniformly and densely provided with filter holes, the end wall at the outer side of the sewage collecting shell is uniformly and densely provided with water leakage holes, the top end in the recovery cavity is uniformly and fixedly provided with a cleaning rod mounting frame, the cleaning rod mounting frame is all arranged perpendicular to the inclined direction of the end wall at the side of the filter frame, the end part at the non-fixed end of the cleaning rod, the equal divide equally of clearance pole lower extreme and do not evenly be equipped with the flexure strip, the clearance pole is close to the outside of clearance pole mounting bracket position is equallyd divide and is do not overlapped and have the spring, the equal one end of spring with clearance pole outer end wall fixed connection, the other end with clearance pole mounting bracket fixed connection, the clearance pole is all established to the hemisphere shape along its incline direction bottom tip. The cleaning rod can movably move along the inclined direction of the side end wall of the filter frame, the elastic sheet is used for striking the filter frame, the blockage of filter meshes is effectively avoided, and the end part of the bottom end of the cleaning rod in the inclined direction is in contact with the outer end wall of the cam.

Compared with the prior art, the utility model has the advantages of as follows: the triethylene glycol cleaning furnace can realize portable loading and unloading of workpieces through screw rod transmission. The cleaning frame rotates and the stirring blades drive the triethylene glycol solution to flow, so that the workpiece can be efficiently cleaned, and the workpiece cleaning effect is effectively guaranteed. The filter rack can realize the filtration treatment of the triethylene glycol solution after use, and improve the utilization rate of the triethylene glycol solution. The cleaning rod drives the elastic sheet to move through cam transmission, the filtering frame is hit, the blockage of the filtering meshes can be effectively avoided, and the normal operation of triethylene glycol solution filtering treatment is guaranteed. The triethylene glycol solution can be rapidly cooled through the cooling water storage box, the flow guide heat absorption pipe and the flow guide pump body.

Drawings

FIG. 1 is a schematic view of the overall structure of a heating type triethylene glycol cleaning furnace according to the present invention;

FIG. 2 is a partial structural view of the inner cavity of the cleaning furnace;

FIG. 3 is a schematic view of the position of the diaphragm pump body;

list of reference numerals: 1. a base; 2. cleaning the furnace; 3. a partition plate; 4. a cleaning chamber; 5. a functional cavity; 6. a recovery chamber; 7. cleaning the assembly; 8. cleaning the frame; 9. a screw rod; 10. a position adjusting seat; 11. a squeegee; 12. a strip-shaped transmission rod; 13. a stirring blade; 14. a drive motor; 15. a flow-guiding housing; 16. a drive shaft; 17. a guide vane; 18. a filter frame; 19. a dirt collection shell; 20. a cooling water storage tank; 21. a flow guiding heat absorption pipe; 22. a flow guide pump body; 23. a heating plate; 24. an annular turret; 25. rotating the motor; 26. a liquid injection port; 27. a strip-shaped transmission groove; 28. a flow guide pipe; 29. a cam; 30. a flow guiding frame; 31. cleaning the rod mounting rack; 32. cleaning the rod; 33. an elastic sheet; 34. a spring.

Detailed Description

Example 1: referring to fig. 1, 2 and 3, the heating type triethylene glycol cleaning furnace provided by the present invention is now described, which comprises a base 1 and a cleaning furnace 2 fixedly arranged on the upper end of the base 1, wherein a group of partition plates 3 are arranged at intervals on the middle side of the inner end of the cleaning furnace 2, the inner cavity of the cleaning furnace 2 is sequentially divided into a cleaning cavity 4, a function cavity 5 and a recovery cavity 6 from top to bottom by the partition plates 3, a cleaning assembly 7 is arranged in the cleaning cavity 4, the cleaning assembly 7 comprises a cleaning frame 8, a screw rod 9 uniformly and vertically arranged beside the position of the cleaning frame 8, a positioning seat 10 uniformly arranged on the outer end wall on the bottom side of the cleaning frame 8 and a scraping plate 11 vertically and fixedly arranged beside the position of the cleaning frame 8, a strip-shaped transmission rod 12 and a stirring blade 13 are arranged at the inner bottom end of the cleaning cavity 4, a driving motor 14 is arranged at the middle side of the inner top end of the function cavity 5, and, the improved cleaning device is characterized in that a transmission shaft 16 and guide vanes 17 are arranged in the guide shell 15, a filter frame 18 and a dirt collecting shell 19 are arranged at the top of an inner cavity of the recovery cavity 6, cooling water storage boxes 20 are respectively arranged at the upper ends of the two sides of the length direction of the base 1, a group of guide heat absorption pipes 21 are arranged between the cooling water storage boxes 20, the guide heat absorption pipes 21 all penetrate through the inner cavity of the bottom of the recovery cavity 6, a guide pump body 22 is arranged in each cooling water storage box 20 located on one side and corresponds to the guide heat absorption pipe 21 located on one side, and heating sheets 23 are arranged on the bottom wall of the cleaning.

Example 2: referring to fig. 1, a circular opening is formed in the middle of the top end of a cleaning furnace 2, a cover plate is detachably arranged on the outer top end of the cleaning furnace 2 corresponding to the circular opening, a cleaning frame 8 is in a barrel shape, water permeable holes are uniformly and densely formed in the outer end wall of the cleaning frame 8, the diameter of the outer circumferential end wall of the cleaning frame 8 is smaller than the diameter of the inner end of the circular opening, an annular rolling groove is formed in the outer end wall of the bottom of the cleaning frame 8, an annular rotating frame 24 is movably arranged in the annular rolling groove, the positioning seats 10 and other arcs are uniformly and fixedly arranged on the outer end wall of the annular rotating frame 24, the screw rods 9 are equal to the positioning seats 10 in number, the screw rods 9 are uniformly and vertically movably penetrated through the positioning seats 10, and screw rod transmission assemblies are respectively arranged between the inner end wall of the movably penetrated positions of the positioning seats 10 and the outer parts of the

screw rods

9, 9 top end portions of the lead screw are all movably penetrated to clean 2 top walls of the furnace and stretch out, and the end portions of the extending ends of the lead screw are all connected with a rotating motor 25 through a shaft coupling, the scraper 11 is tightly attached to the vertical fixed arrangement of the end wall position outside the cleaning frame 8, and is staggered with the lead screw 9 position, a liquid injection port 26 is opened at the top of the side end wall of the cleaning chamber 4, the outer end wall of the cleaning furnace 2 is corresponding to the liquid injection port 26, and a protective cover is detachably arranged at the position of the liquid injection port.

Example 3: referring to fig. 1 and 2, a heated triethylene glycol cleaning furnace provided by the present invention is now described, wherein an output shaft of a driving motor 14 extends into a cleaning chamber 4, a strip-shaped transmission rod 12 is horizontally and fixedly arranged at an end portion of an output shaft of the driving motor 14, a strip-shaped transmission groove 27 is formed in the middle of an outer end wall at the bottom of a cleaning frame 8, stirring blades 13 are uniformly arranged at equal radians at the outer portion of the output shaft of the driving motor 14 and below the strip-shaped transmission rod 12, a water guide opening is formed in the middle of the top end in a recovery chamber 6, a top end portion of a transmission shaft 16 is provided with a middle portion of an inner top end wall of a guide casing 15, a bottom end portion of the inner top end wall of the guide casing 15 extends into the recovery chamber 6 through the water guide opening, guide blades 17 are uniformly arranged at equal radians at the outer portion of the transmission shaft 16 in the guide casing 15, an inner cavity at the, the honeycomb duct 28 feed liquor end tip is equipped with automatically controlled water conservancy diversion switch valve body, 16 bottom end portion covers of transmission shaft have

cam

29, 16 bottom of transmission shaft outside just is located cam 29 position top covers have water conservancy diversion frame 30.

Example 4: referring to fig. 1 and 2, the heating type triethylene glycol cleaning furnace provided by the present invention is now described, wherein the filter frame 18 and the flow guiding frame 30 are both designed to be hollow round platform shape, and the upper end and the lower end are both open, the diameter of the bottom port of the filter frame 18 is smaller than the diameter of the top port thereof, and the filter frame is arranged in an inverted trapezoid shape, the diameter of the bottom port of the flow guiding frame 30 is larger than the diameter of the top port thereof, and the flow guiding frame is arranged in a regular trapezoid shape, the diameter of the bottom port of the flow guiding frame 30 is larger than the diameter of the bottom port of the filter frame 18, the lower end of the port of the filter frame 18 is detachably provided with a sewage collecting shell 19, the filter frame 18 is uniformly and densely provided with filter holes, the outer end wall of the sewage collecting shell 19 is uniformly and densely provided with water leakage holes, the top end of the recovery cavity 6 is uniformly and fixedly provided with a cleaning rod mounting frame 31, the, equal activity of 31 non-stiff ends tip of clearance pole mounting bracket is run through and is equipped with clearance pole 32, clearance pole 32 with equal interval parallel arrangement between the 18 side end walls of filter stand, clearance pole 32 lower extreme is equallyd divide and evenly is equipped with flexure strip 33 respectively, clearance pole 32 is close to 31 outside equipartition in clearance pole mounting bracket position has do not overlap and has spring 34, the equal one end of spring 34 with clearance pole 32 outer end wall fixed connection, the other end with 31 fixed connection of clearance pole mounting bracket, clearance pole 32 is all established to the hemisphere shape along its incline direction bottom tip.

The utility model discloses can also form new implementation mode with embodiment 1 with at least one in

embodiment

2, 3, 4 the technical characterstic.

The working principle is as follows: the workpiece to be cleaned is placed in the cleaning frame, the triethylene glycol solution is led into the cleaning cavity through the liquid injection port, and the heating of the triethylene glycol solution is realized by the heating sheet arranged on the cleaning cavity. The workpiece is conveniently assembled and disassembled. The rotation motor can drive the lead screw to rotate, and the rotation of the lead screw can drive the position adjusting seat to move up and down through the lead screw transmission assembly. When the rotation of the screw rod drives the adjusting seat to move upwards, the cleaning frame can be driven to extend upwards from the circular through hole, so that the workpiece can be conveniently assembled and disassembled; when the rotation of the screw rod drives the position adjusting seat to move downwards, the position of the cleaning frame can be driven to move downwards, so that the workpiece is placed in the cleaning cavity, and the workpiece is cleaned by the triethylene glycol solution. The cleaning frame moves downwards to enable the strip-shaped transmission rod to be clamped into the strip-shaped transmission groove, the arranged driving motor operates to drive the strip-shaped transmission rod and the stirring blade to rotate, the strip-shaped transmission rod rotates to drive the cleaning frame to rotate, and the rotation of the cleaning frame drives the workpiece to rotate, so that the workpiece cleaning efficiency and the workpiece cleaning effect are improved. The rotation of the stirring blades can accelerate the fluidity of triethylene glycol solution in the cleaning cavity, thereby indirectly improving the cleaning efficiency and effect of the workpiece. The scraper blade that is equipped with can realize wasing the clearance of frame outer end wall when wasing the frame and rotate, effectively avoids the jam in the hole of permeating water. The cleaning liquid in the cleaning cavity can be guided into the guide shell through the guide pipe, the guide vanes are driven to rotate, the guide vanes can drive the transmission shaft to rotate, and the rotation of the transmission shaft can drive the cam and the guide frame to rotate. The cleaning liquid is guided into the recovery cavity through the water guide port, the flow guide frame is arranged to realize the flow guide effect of the liquid, and the filter frame is arranged to realize the filtering treatment of the cleaning liquid. The rotation of cam cooperates the spring again can make clearance pole along filtering frame side end wall slope direction reciprocating motion, and the motion of clearance pole drives the flexure strip motion, and the flexure strip hits the filtration frame of beating, can effectively avoid filtering the jam of mesh, and the dirty casing of collection that is equipped with realizes filtering impurity's collection. The cooling water is injected into the cooling water storage box, and the flow guide pump body is arranged to accelerate the fluidity of the water body in the flow guide heat absorption pipe and accelerate the cooling of the triethylene glycol solution.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a stove is washd to fever type triethylene glycol, includes that fixed washing stove (2) that are equipped with in base (1) and base (1) upper end, its characterized in that, it is equipped with a set of baffle (3) to wash stove (2) inner medial side interval, baffle (3) will wash stove (2) inner chamber from the top down cut apart for washing chamber (4), function chamber (5) and retrieve chamber (6) in proper order, be equipped with in wasing chamber (4) and wash subassembly (7), wash lead screw (9) that subassembly (7) were evenly vertically equipped with including wasing frame (8), washing frame (8) position side, wash transposition seat (10) that evenly are equipped with on frame (8) bottom side outer end wall and wash scraper blade (11) that the other vertical fixing of frame (8) position side was equipped with, it is equipped with bar transfer line (12) and stirring vane (13) to wash chamber (4) inner bottom end, function chamber (5) inner top medial side is equipped with driving motor (14), Interior bottom medial side is equipped with water conservancy diversion casing (15), be equipped with transmission shaft (16) and guide vane (17) in water conservancy diversion casing (15), it is equipped with filter stand (18) and dirty casing (19) to retrieve chamber (6) inner chamber top, base (1) length direction both sides upper end is equallyd divide and is equipped with cooling water respectively and deposits case (20), cooling water is deposited and is equipped with a set of water conservancy diversion heat-sink tube (21) between case (20), water conservancy diversion heat-sink tube (21) all run through and retrieve chamber (6) bottom inner chamber setting, and the cooling water that is located one side is deposited case (20) and is equipped with water conservancy diversion pump body (22) corresponding water conservancy diversion heat-sink tube (21) position that is located one side, be equipped with heating plate (23) on the bottom.

2. The heated triethylene glycol cleaning furnace as claimed in claim 1, wherein: the utility model discloses a lead screw drive assembly, including wash stove (2), washing frame (8), annular rolling groove and annular rolling groove, it has annular rotating turret (24) to wash the frame (8), radian such as transposition seat (10) are evenly fixed locate on the outer end wall of circular opening, lead screw (9) with transposition seat (10) quantity equals, lead screw (9) are equallyd divide and are do not vertical activity run through transposition seat (10) sets up, it does not be equipped with the lead screw drive assembly to divide equally between transposition seat (10) activity run through department inner end wall and lead screw (9) outside, lead screw (9) top end portion all moves about and runs through it stretches out to wash stove (2) top wall, and it stretches out the end portion and all rotates motor (25) through the shaft coupling is external, scraper blade (11) are hugged closely wash the vertical fixed setting in frame (8) outside end wall position, and with lead screw (9) position staggers each other, it has notes liquid mouth (26) to wash chamber (4) side wall top to open, it just corresponds to wash stove (2) outer end wall annotates liquid mouth (26) detachable the that is equipped with protection casing in position.

3. The heated triethylene glycol cleaning furnace as claimed in claim 1, wherein: an output shaft of the driving motor (14) extends into the cleaning cavity (4), a strip-shaped transmission rod (12) is horizontally and fixedly arranged at the end part of the extending end of the output shaft of the driving motor (14), a strip-shaped transmission groove (27) is formed in the middle of the outer end wall at the bottom of the cleaning frame (8), stirring blades (13) are uniformly arranged outside the extending end of the output shaft of the driving motor (14) and below the strip-shaped transmission rod (12) at equal radians, a water guide opening is formed in the middle of the inner top end of the recovery cavity (6), a water guide opening is formed in the top end of the transmission shaft (16), the middle part of the inner top end wall of the diversion shell (15) is arranged at the end part of the top end of the diversion shell (15), the water guide opening extends into the recovery cavity (6) in a penetrating manner, guide blades (17) are uniformly arranged in the diversion shell (15) at equal radians and outside the transmission shaft (16), and an, honeycomb duct (28) feed liquor end portion is equipped with automatically controlled water conservancy diversion switch valve body, transmission shaft (16) bottom end portion cover has cam (29), transmission shaft (16) bottom outside just is located cam (29) position top cover has water conservancy diversion frame (30).

4. The heated triethylene glycol cleaning furnace as claimed in claim 3, wherein: the filter frame (18) and the flow guide frame (30) are both designed to be hollow round platforms, the upper end and the lower end of the filter frame are both designed to be open, the caliber of the bottom end of the filter frame (18) is smaller than that of the top end of the filter frame, the filter frame is arranged in an inverted trapezoid shape, the caliber of the bottom end of the flow guide frame (30) is larger than that of the top end of the flow guide frame, the caliber of the bottom end of the flow guide frame (30) is larger than that of the bottom end of the filter frame (18), the lower end of the bottom end of the filter frame (18) is detachably provided with a dirt collecting shell (19), the filter frame (18) is uniformly and densely provided with filter holes, the outer end wall of the dirt collecting shell (19) is uniformly and densely provided with drain holes, the top end of the recovery cavity (6) is uniformly and fixedly provided with a cleaning rod mounting frame (31), the cleaning rod mounting frame (31) is perpendicular to the inclined direction of the side wall of the filter frame (18), the non-fixed end, clearance pole (32) with equal interval parallel arrangement between filter frame (18) side end wall, evenly be equipped with flexure strip (33) respectively for clearance pole (32) lower extreme, clearance pole (32) are close to the outside cover of clearance pole mounting bracket (31) position is equallyd divide and is do not had spring (34), the equal one end of spring (34) with clearance pole (32) outer end wall fixed connection, the other end with clearance pole mounting bracket (31) fixed connection, clearance pole (32) are all established to the hemisphere shape along its incline direction bottom tip.