CN213968982U - High strength nodular cast iron pipe pouring is with preventing melting device that emptys - Google Patents

Abstract

The utility model discloses a high strength ball-milling cast iron pipe pouring is with preventing melting device that emptys, including the melting bucket, the support arm with empty transmission assembly, the operator can be through starting first motor, under the rotation effect of screw thread post, the elevator can drive the melting bucket and go on the descending motion that rises, thereby make the melting bucket can empty work to the mould of co-altitude not, when the material of melting bucket is emptyd to needs, then the accessible starts the second motor, under the transmission effect of gear and arc rack, thereby make the melting bucket empty the effect, full automation, not only make the melting bucket can fix a point the location pour the material into the grinding apparatus in, the manpower has been saved, the efficiency of empting has been improved, operator's safety has also been guaranteed simultaneously, prevent that the operator from being scalded by high temperature.

Description

High strength nodular cast iron pipe pouring is with preventing melting device that emptys

Technical Field

The utility model relates to a cast iron pipe technical field specifically is a high strength ball-milling cast iron pipe pouring is with preventing melting device that emptys.

Background

Cast iron pipe, pipe cast from cast iron. The cast iron pipe is used for water supply, water drainage and gas transmission pipelines and comprises a cast iron straight pipe and a pipe fitting.

The existing melting device for casting the cast iron pipe is generally manually operated to pour materials, but the surrounding temperature of the melting device is high, the danger of manual operation is high, and time and labor are wasted.

Aiming at the problems, the prior device is improved, and the anti-dumping and sputtering melting device for pouring the high-strength ductile iron pipe is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength ball-milling cast iron pipe is poured with melting device who prevents empting and sputter adopts this device to work to cast iron pipe is poured with melting device in having solved above-mentioned background, generally all is manual operation melting device, carries out empting of material, but melting device ambient temperature is higher, and manual operation is dangerous big, also wastes time and energy's problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the melting device comprises a melting barrel, a supporting arm and an overturning transmission assembly, wherein the two ends of the melting barrel are respectively and movably provided with the supporting arm, the lower end of the overturning transmission assembly is fixedly arranged on the inner side of the supporting arm, the upper end of the overturning transmission assembly is meshed and connected with the outer wall of the lower end of the melting barrel, the melting barrel comprises a melting barrel main body, a heating mechanism and an arc-shaped rack, the lower end of the melting barrel main body is fixedly provided with the heating mechanism, and the two ends of the heating mechanism are respectively and fixedly provided with the arc-shaped rack;

the support arm comprises a support arm shell, a driving mechanism, a lifting block, a bottom plate and universal wheels, the bottom plate is fixedly mounted on the bottom surface of the support arm shell, the universal wheels are fixedly mounted at four corners of the bottom surface of the bottom plate respectively, the driving mechanism is fixedly mounted on the bottom surface of an inner cavity of the support arm shell, one end of the lifting block is movably connected to the driving mechanism through threads, and the other end of the lifting block is arranged on the outer wall of the support arm shell;

the dumping transmission assembly comprises a material dumping driving shell and a telescopic transmission mechanism, the bottom surface of the material dumping driving shell is fixedly installed on the top surface of one side of the bottom plate, and one end of the telescopic transmission mechanism is movably installed in an inner cavity of the material dumping driving shell.

Further, the arc-shaped rack comprises an arc-shaped rack main body and an arc-shaped baffle, and the arc-shaped baffle is fixedly installed on the outer wall of the lower end of the arc-shaped rack main body.

Further, the support arm shell comprises a support arm shell main body, an outer heat insulation layer, a limiting slide way and an inner slide way, the outer heat insulation layer is arranged on the outer wall of the support arm shell main body, the limiting slide way is arranged on the inner wall of one end of the support arm shell main body, and the inner slide way is arranged on the inner walls of the two ends of the limiting slide way respectively.

Further, the driving mechanism comprises a first motor, a threaded column and a bearing, the first motor is fixedly installed on the bottom surface of the inner cavity of the support arm outer shell body, the threaded column is fixedly installed at the output end of the first motor, the outer shaft of the bearing is fixedly installed on the top surface of the inner cavity of the support arm outer shell body, and the upper end of the threaded column is fixedly installed on the inner shaft of the bearing.

Further, the elevator comprises an elevator main body, a T-shaped groove, a square sliding block, balls and a barrel fixing block, the elevator main body is connected to the threaded column through threads, the square sliding block is fixedly installed at one end of the elevator main body, a pair of balls are movably installed on outer walls of two sides of the square sliding block respectively, the square sliding block is arranged in a limiting slide way, the balls are arranged in the inner slide way, the T-shaped groove is formed in the upper end of the elevator main body, the barrel fixing block is movably installed in the T-shaped groove at one end of the barrel fixing block, and the other end of the barrel fixing block is fixedly installed on the outer wall of the upper end of the melting barrel main body.

Further, the staving fixed block is including connecting main piece, T type installation piece, installation axle, the vice piece of rotation and circular mounting groove, and the one end upside fixed mounting who connects main piece has T type installation piece, and T type installation piece movable mounting has the installation axle in T type groove, and the other end fixed mounting who connects main piece has the circular mounting groove on the surface, and installs axle movable mounting in circular mounting groove, and the other end fixed mounting of the vice piece of rotation is on the upper end outer wall of melting bucket main part.

Further, the material pouring driving shell comprises a driving shell main body and an inner heat insulation layer, and the inner heat insulation layer is fixedly installed on the inner wall of the driving shell main body.

Further, flexible drive mechanism includes the second motor, rotate the spliced pole, first telescopic link, second telescopic link and gear, on the inner chamber bottom surface of insulating layer including second motor fixed mounting, the output fixed mounting of second motor is on the bottom surface of rotating the spliced pole, the one end slidable mounting of first telescopic link is in rotating the upper end inner chamber of spliced pole, the one end slidable mounting of second telescopic link is in the upper end inner chamber of first telescopic link, fixed mounting has the gear on the upper end outer wall of second telescopic link, and mesh between gear and the arc rack main part and be connected.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a high strength ball-milling cast iron pipe pouring is with preventing melting device that emptys, the operator can be through starting first motor, under the rotation effect of screw thread post, the elevator can drive the melting bucket and go on the descending motion that rises, thereby make the melting bucket can empty work to the mould of co-altitude not, when the material to the melting bucket is emptyd to needs, then the accessible starts the second motor, under the transmission of gear and arc rack, thereby make the melting bucket empty the effect, full automation, not only make the melting bucket can fix a position the fixed point pour the material into the grinding apparatus in, the manpower has been saved, the efficiency of empting has been improved, operator's safety has also been guaranteed simultaneously, prevent that the operator from being high temperature.

2. The utility model provides a pair of high strength ball-milling cast iron pipe pouring is with melting device who prevents empting sputter, respectively movable mounting has a pair of ball on the both sides outer wall of square slider, and in the slide including the ball sets up, when this kind of setting makes the elevator go up the motion that descends on the screw post, can reduce the wearing and tearing of square slider at spacing slide, has promoted the life of device.

3. The utility model provides a pair of high strength ball-milling cast iron pipe pouring is with melting device who prevents empting sputter is provided with outer insulating layer on the outer wall of support arm shell main part, and the insulating layer in fixed mounting has on the inner wall of drive shell main part, and this kind of setting has reduced first motor and second motor work and has made ambient temperature, has promoted the life of device.

4. The utility model provides a high strength ball-milling cast iron pipe pouring is with preventing melting device that emptys, through setting up T type installation piece in T type groove, and T type installation piece is for imbedding in T type groove from top to bottom, the gear also is meshing between from top to bottom and the arc rack main part equally and is connected, and be provided with cowl on the lower extreme outer wall of arc rack main part, this kind of setting only need descend the melting bucket to ground, separation between melting bucket and the support arm can be realized to the ascending T type installation piece of rethread and gear, the transportation and the maintenance of device have been made things convenient for.

Drawings

Fig. 1 is a schematic view of the overall plane structure of the present invention;

FIG. 2 is a cross-sectional view of the support arm of the present invention;

FIG. 3 is a cross-sectional view of the dump drive assembly of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the lifting block of the present invention;

fig. 5 is the perspective view of the barrel fixing block of the present invention.

In the figure: 1. a melting barrel; 11. a melting barrel main body; 12. a heating mechanism; 13. an arc-shaped rack; 131. an arc-shaped rack body; 132. an arc-shaped baffle plate; 2. a support arm; 21. a support arm housing; 211. a support arm housing body; 212. an outer insulating layer; 213. a limiting slide way; 214. an inner slide way; 22. a drive mechanism; 221. a first motor; 222. a threaded post; 223. a bearing; 23. a lifting block; 231. a lifting block main body; 232. a T-shaped groove; 233. a square slider; 234. a ball bearing; 235. a barrel body fixing block; 2351. connecting the main block; 2352. a T-shaped mounting block; 2353. installing a shaft; 2354. rotating the auxiliary block; 2355. a circular mounting groove; 24. a base plate; 25. a universal wheel; 3. a dump transmission assembly; 31. pouring the material to drive the shell; 311. driving the shell main body; 312. an inner insulating layer; 32. a telescopic transmission mechanism; 321. a second motor; 322. rotating the connecting column; 323. a first telescopic rod; 324. a second telescopic rod; 325. a gear.

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.

Referring to fig. 1-5, a melting device for preventing toppling and sputtering for pouring a high-strength ductile iron pipe comprises a melting barrel 1, a supporting arm 2 and a toppling transmission assembly 3, wherein the supporting arm 2 is movably mounted at each end of the melting barrel 1, the lower end of the toppling transmission assembly 3 is fixedly mounted on the inner side of the supporting arm 2, the upper end of the toppling transmission assembly 3 is meshed with the outer wall of the lower end of the melting barrel 1, the melting barrel 1 comprises a melting barrel main body 11, a heating mechanism 12 and an arc-shaped rack 13, the heating mechanism 12 is fixedly mounted at the lower end of the melting barrel main body 11, the arc-shaped rack 13 is fixedly mounted at each end of the heating mechanism 12, the supporting arm 2 comprises a supporting arm shell 21, a driving mechanism 22, a lifting block 23, a bottom plate 24 and universal wheels 25, the bottom plate 24 is fixedly mounted on the bottom surface of the supporting arm shell 21, and the universal wheels 25 are fixedly mounted at four corners of the bottom surface of the bottom plate 24, the bottom surface of the inner cavity of the support arm shell 21 is fixedly provided with a driving mechanism 22, one end of an elevator 23 is movably connected on the driving mechanism 22 through threads, the other end of the elevator 23 is arranged on the outer wall of the support arm shell 21, the dumping transmission component 3 comprises a dumping driving shell 31 and a telescopic transmission mechanism 32, the bottom surface of the dumping driving shell 31 is fixedly arranged on the top surface of one side of the bottom plate 24, one end of the telescopic transmission mechanism 32 is movably arranged in the inner cavity of the dumping driving shell 31, the arc rack 13 comprises an arc rack main body 131 and an arc baffle 132, the arc baffle 132 is fixedly arranged on the outer wall of the lower end of the arc rack main body 131, the support arm shell 21 comprises a support arm shell main body 211, an outer heat insulation layer 212, a limit slide 213 and an inner slide 214, the outer wall of the support arm shell main body 211 is provided with the outer heat insulation layer 212, and the inner wall of one end of the support arm shell main body 211 is provided with the limit slide 213, inner slide ways 214 are respectively arranged on the inner walls of the two ends of the limiting slide way 213, the driving mechanism 22 comprises a first motor 221, a threaded column 222 and a bearing 223, the first motor 221 is fixedly arranged on the bottom surface of the inner cavity of the support arm shell main body 211, the output end of the first motor 221 is fixedly provided with the threaded column 222, the outer shaft of the bearing 223 is fixedly arranged on the top surface of the inner cavity of the support arm shell main body 211, the upper end of the threaded column 222 is fixedly arranged on the inner shaft of the bearing 223, the barrel body fixing block 235 comprises a main connecting block 2351, a T-shaped mounting block 2352, a mounting shaft 2353, an auxiliary rotating block 2354 and a circular mounting groove 2355, the upper side of one end of the main connecting block 2351 is fixedly provided with the T-shaped mounting block 2352, the T-shaped mounting block 2352 is movably arranged in the T-shaped groove 232, the other end of the main connecting block 2351 is fixedly provided with the mounting shaft 2353, the surface of one end of the auxiliary rotating block 2354 is provided with the circular mounting groove 2355, and the mounting shaft 2353 is movably arranged in the circular mounting groove 2355, the other end of the rotating auxiliary block 2354 is fixedly installed on the outer wall of the upper end of the melting barrel main body 11, the material pouring driving shell 31 comprises a driving shell main body 311 and an inner heat insulation layer 312, the inner heat insulation layer 312 is fixedly installed on the inner wall of the driving shell main body 311, the telescopic transmission mechanism 32 comprises a second motor 321, a rotating connection column 322, a first telescopic rod 323, a second telescopic rod 324 and a gear 325, the second motor 321 is fixedly installed on the bottom surface of an inner cavity of the inner heat insulation layer 312, the output end of the second motor 321 is fixedly installed on the bottom surface of the rotating connection column 322, one end of the first telescopic rod 323 is slidably installed in the inner cavity of the upper end of the rotating connection column 322, one end of the second telescopic rod 324 is slidably installed in the inner cavity of the upper end of the first telescopic rod 323, the gear 325 is fixedly installed on the outer wall of the upper end of the second telescopic rod 324, and the gear 325 is in meshed connection with the arc-shaped rack main body 131.

An operator can start the first motor 221, under the rotating action of the threaded column 222, the lifting block 23 can drive the melting barrel 1 to move up and down, so that the melting barrel 1 can pour the molds with different heights, when the materials in the melting barrel 1 need to be poured, the second motor 321 can be started, under the transmission action of the gear 325 and the arc-shaped rack 13, so that the melting barrel 1 can pour the materials, the whole process is automatic, the melting barrel 1 can be poured into a grinding tool in a fixed-point positioning manner, the manpower is saved, the pouring efficiency is improved, the safety of the operator is ensured, the operator is prevented from being scalded by high temperature, the outer heat insulation layer 212 is arranged on the outer wall of the support arm shell main body 211, the inner heat insulation layer 312 is fixedly arranged on the inner wall of the drive shell main body 311, and the arrangement reduces the environmental temperature caused by the work of the first motor 221 and the second motor 321, the life of the device has been promoted, through installing T type piece 2352 and setting up in T type groove 232, and T type installation piece 2352 is for imbedding in T type groove 232 from top to bottom, gear 325 is also from top to bottom and arc rack main part 131 between mesh connection equally, and be provided with arc baffle 132 on the lower extreme outer wall of arc rack main part 131, this kind of setting only need descend melting bucket 1 to ground, the rethread rises T type installation piece 2352 and gear 325 and can realize the separation between melting bucket 1 and the support arm 2, the transportation and the maintenance of device have been made things convenient for.

Referring to fig. 4 and 5, a melting apparatus for preventing falling and sputtering for high strength ductile iron pipe casting, the lifting block 23 includes a lifting block main body 231, a T-shaped groove 232, a square slider 233, balls 234 and a barrel fixing block 235, the lifting block main body 231 is connected to the threaded post 222 through threads, one end of the lifting block main body 231 is fixedly installed with the square slider 233, and a pair of balls 234 are respectively movably installed on the outer walls of both sides of the square slider 233, the square slider 233 is disposed in the limiting slide way 213, the balls 234 are disposed in the inner slide way 214, the upper side of the other end of the lifting block main body 231 is provided with the T-shaped groove 232, and one end of the barrel fixing block 235 is movably installed in the T-shaped groove 232, the other end of the barrel fixing block 235 is fixedly installed on the outer wall of the upper end of the melting barrel main body 11, a pair of balls 234 is respectively movably installed on the outer walls of both sides of the square slider 233, and the balls 234 are disposed in the inner slide way 214, due to the arrangement, when the lifting block 23 moves up and down on the threaded column 222, the abrasion of the square sliding block 233 on the limiting slide way 213 can be reduced, and the service life of the device is prolonged.

In summary, the following steps: the utility model provides a high strength ball-milling cast iron pipe pouring is with preventing melting device that emptys, the operator can be through starting first motor 221, under the rotation effect of screw post 222, elevator 23 can drive melting bucket 1 and go on the ascending descending motion, thereby make melting bucket 1 can empty the work to the mould of co-altitude not, when need empty the material of melting bucket 1, then the accessible starts second motor 321, under the transmission of gear 325 and arc rack 13, thereby make melting bucket 1 empty the effect, full automation, not only make melting bucket 1 can the fixed point location pour the material into the grinding apparatus, the manpower has been saved, the efficiency of empting has been improved, the operator's safety has also been guaranteed simultaneously, prevent that the operator from being scalded by high temperature, a pair of ball 234 has movably mounted respectively on the both sides outer wall of square slider 233, and the ball 234 is arranged in the inner slideway 214, the arrangement can reduce the abrasion of the square slider 233 on the limit slideway 213 when the lifting block 23 moves up and down on the threaded column 222, and prolong the service life of the device, the outer wall of the support arm housing main body 211 is provided with the outer heat insulation layer 212, the inner heat insulation layer 312 is fixedly arranged on the inner wall of the drive housing main body 311, the arrangement reduces the environmental temperature caused by the work of the first motor 221 and the second motor 321, and prolongs the service life of the device, the T-shaped mounting block 2352 is arranged in the T-shaped groove 232, the T-shaped mounting block 2352 is embedded in the T-shaped groove 232 from top to bottom, the gear 325 is also meshed and connected with the arc rack main body 131 from top to bottom, the outer wall of the lower end of the arc rack main body 131 is provided with the arc baffle 132, the arrangement only needs to lower the melting barrel 1 to the ground, separation between the melting barrel 1 and the support arm 2 can be achieved by the rising T-shaped mounting block 2352 and the gear 325, which facilitates transportation and maintenance of the apparatus.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a high strength ball-milling cast iron pipe pouring is with preventing melting device of empting sputter, includes melting bucket (1), support arm (2) and empties drive assembly (3), its characterized in that: the two ends of the melting barrel (1) are respectively movably provided with a supporting arm (2), the lower end of the dumping transmission component (3) is fixedly arranged on the inner side of the supporting arm (2), the upper end of the dumping transmission component (3) is meshed and connected with the outer wall of the lower end of the melting barrel (1), the melting barrel (1) comprises a melting barrel main body (11), a heating mechanism (12) and an arc-shaped rack (13), the lower end of the melting barrel main body (11) is fixedly provided with the heating mechanism (12), and the two ends of the heating mechanism (12) are respectively fixedly provided with the arc-shaped rack (13);

the support arm (2) comprises a support arm shell (21), a driving mechanism (22), lifting blocks (23), a bottom plate (24) and universal wheels (25), the bottom plate (24) is fixedly installed on the bottom surface of the support arm shell (21), the universal wheels (25) are fixedly installed at four corners of the bottom surface of the bottom plate (24) respectively, the driving mechanism (22) is fixedly installed on the bottom surface of an inner cavity of the support arm shell (21), one end of each lifting block (23) is movably connected to the corresponding driving mechanism (22) through threads, and the other end of each lifting block (23) is arranged on the outer wall of the support arm shell (21);

the dumping transmission assembly (3) comprises a material dumping driving shell (31) and a telescopic transmission mechanism (32), the bottom surface of the material dumping driving shell (31) is fixedly installed on the top surface of one side of the bottom plate (24), and one end of the telescopic transmission mechanism (32) is movably installed in an inner cavity of the material dumping driving shell (31).

2. The melting device for preventing the falling and sputtering for the pouring of the high-strength ductile iron pipe as claimed in claim 1, wherein: the arc-shaped rack (13) comprises an arc-shaped rack main body (131) and an arc-shaped baffle plate (132), and the arc-shaped baffle plate (132) is fixedly installed on the outer wall of the lower end of the arc-shaped rack main body (131).

3. The melting device for preventing the falling and sputtering for the pouring of the high-strength ductile iron pipe as claimed in claim 1, wherein: the support arm shell (21) comprises a support arm shell main body (211), an outer heat insulation layer (212), a limiting slide way (213) and an inner slide way (214), wherein the outer heat insulation layer (212) is arranged on the outer wall of the support arm shell main body (211), the limiting slide way (213) is arranged on the inner wall of one end of the support arm shell main body (211), and the inner slide ways (214) are respectively arranged on the inner walls of the two ends of the limiting slide way (213).

4. The melting device for preventing the falling and sputtering for the pouring of the high-strength ductile iron pipe as claimed in claim 1, wherein: drive mechanism (22) includes first motor (221), screw thread post (222) and bearing (223), and first motor (221) fixed mounting is on the inner chamber bottom surface of support arm shell main part (211), and the output fixed mounting of first motor (221) has screw thread post (222), and the outer axle fixed mounting of bearing (223) is on the inner chamber top surface of support arm shell main part (211), and the upper end fixed mounting of screw thread post (222) is epaxial in bearing (223).

5. The melting device for preventing the falling and sputtering for the pouring of the high-strength ductile iron pipe as claimed in claim 1, wherein: the lifting block (23) comprises a lifting block main body (231), a T-shaped groove (232), a square slider (233), balls (234) and a barrel body fixing block (235), the lifting block main body (231) is connected onto a threaded column (222) through threads, one end of the lifting block main body (231) is fixedly provided with the square slider (233), the outer walls of two sides of the square slider (233) are respectively and movably provided with a pair of balls (234), the square slider (233) is arranged in a limiting slide way (213), the balls (234) are arranged in an inner slide way (214), the upper side of the other end of the lifting block main body (231) is provided with the T-shaped groove (232), one end of the barrel body fixing block (235) is movably arranged in the T-shaped groove (232), and the other end of the barrel body fixing block (235) is fixedly arranged on the outer wall of the upper end of the melting barrel main body (11).

6. The melting device for preventing the toppling and sputtering for pouring the high-strength ductile iron pipe as claimed in claim 5, wherein: staving fixed block (235) are including connecting main piece (2351), T type installation piece (2352), installation axle (2353), vice piece (2354) and circular mounting groove (2355) rotate, the one end upside fixed mounting who connects main piece (2351) has T type installation piece (2352), and T type installation piece (2352) movable mounting is in T type groove (232), the other end fixed mounting who connects main piece (2351) has installation axle (2353), the one end of vice piece (2354) rotates is provided with circular mounting groove (2355) on the surface, and installation axle (2353) movable mounting is in circular mounting groove (2355), the other end fixed mounting of vice piece (2354) rotates is on the upper end outer wall of melting bucket main part (11).

7. The melting device for preventing the falling and sputtering for the pouring of the high-strength ductile iron pipe as claimed in claim 1, wherein: the material pouring driving shell (31) comprises a driving shell main body (311) and an inner heat insulation layer (312), and the inner heat insulation layer (312) is fixedly installed on the inner wall of the driving shell main body (311).

8. The melting device for preventing the falling and sputtering for the pouring of the high-strength ductile iron pipe as claimed in claim 1, wherein: flexible drive mechanism (32) include second motor (321), rotate spliced pole (322), first telescopic link (323), second telescopic link (324) and gear (325), inner chamber bottom surface of insulating layer (312) including second motor (321) fixed mounting, the output fixed mounting of second motor (321) is on the bottom surface of rotating spliced pole (322), the one end slidable mounting of first telescopic link (323) is in rotating the upper end inner chamber of spliced pole (322), the one end slidable mounting of second telescopic link (324) is in the upper end inner chamber of first telescopic link (323), fixed mounting has gear (325) on the upper end outer wall of second telescopic link (324), and carry out the meshing between gear (325) and arc rack main part (131) and be connected.

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