CN214212353U - Milling groove equipment for HDPE winding pipe interface - Google Patents

Abstract

The utility model relates to a milling flutes equipment of HDPE winding pipe interface relates to the field of winding pipe processing equipment, including the frame and establish the depended wheel milling cutter in the frame, be equipped with driving motor in the frame, driving motor's motor shaft and depended wheel milling cutter fixed connection, the frame is slided and is connected with the pinch roller, is equipped with the regulating part that is used for fixed and removal pinch roller in the frame, is equipped with in the frame to be used for fixed and drive interface pivoted actuating mechanism. This application has and compares with artifical fluting, has improved machining efficiency, and the interface fluting degree of depth that processes out is even, has improved the effect of the quality of product.

Description

Milling groove equipment for HDPE winding pipe interface

Technical Field

The application relates to the field of winding pipe processing equipment, in particular to groove milling equipment for an HDPE winding pipe interface.

Background

The winding pipe is a structural wall pipe made of high-density polyethylene and steel strip as raw materials by adopting a thermal state winding forming process, is suitable for municipal drainage with the water conveying temperature below 45 ℃, building outdoor drainage, buried farmland drainage, industrial pollution discharge, road drainage, sewage treatment plants, playground square engineering drainage and electrical telecommunication engineering, and is widely applied to the modern society.

When the winding pipe is installed and used, all the winding pipes are generally connected in a pipeline interface mode, sealing rings used for sealing and connecting are arranged in the interfaces, grooves used for placing the sealing rings are formed in the interfaces, and the grooves are formed in the grooves, namely, workers generally use tools to clamp the winding pipe interfaces and then use special portable groover, grinding wheel blades, milling cutter blades and the like to groove the winding pipe interfaces.

In view of the above-mentioned related technologies, the inventor believes that the above-mentioned grooving method is labor-intensive for operators and has a drawback of low machining efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve the defect that the groove machining efficiency of a winding pipe joint is low, the application provides groove milling equipment for an HDPE winding pipe joint.

The application provides a milling flutes equipment of HDPE winding pipe interface adopts following technical scheme:

the utility model provides a milling flutes equipment of HDPE winding pipe interface, includes the frame and establishes the depended wheel milling cutter in the frame, be equipped with driving motor in the frame, driving motor's motor shaft and depended wheel milling cutter fixed connection, it is connected with the pinch roller to slide in the frame, be equipped with the regulating part that is used for fixing and removes the pinch roller in the frame, be equipped with in the frame and be used for fixing and drive interface pivoted actuating mechanism.

Through adopting above-mentioned technical scheme, during the milling flutes, the operator places the interface between pinch roller and depended wheel milling cutter, actuating mechanism drive interface rotates, utilize the regulating part to remove the pinch roller to depended wheel milling cutter's direction and control the groove depth after that, driving motor drive depended wheel milling cutter rotates, depended wheel milling cutter cuts the interface inner wall after that, compare with artifical fluting, machining efficiency has been improved, and the interface fluting degree of depth of processing out is even, has improved the quality of product.

Optionally, the driving mechanism comprises an air cylinder and a rotating plate which are arranged on the rack, the air cylinder is hinged to the rack, a piston rod of the air cylinder is hinged to the rotating plate, the rotating plate is rotatably connected with the rack, a compressing main wheel is rotatably connected to the rotating plate, a driving part for driving the compressing main wheel to rotate is arranged on the rotating plate, and a main idler wheel is arranged on the rack.

Through adopting above-mentioned technical scheme, during the milling flutes, the operator places the interface between pinch roller and depended wheel milling cutter, the interface is located and compresses tightly between main wheel and the main depended wheel simultaneously, then the cylinder starts, the piston rod of cylinder stretches out and drives the rotor plate and rotate, the rotor plate drive compresses tightly the main wheel and removes towards main depended wheel simultaneously, compress tightly the main wheel on the rotor plate and support the interface tightly on main depended wheel, then the driving piece drive compresses tightly the main wheel and rotates, compress tightly the main wheel drive interface and rotate, moreover, the steam generator is simple in structure, high operation convenience is realized, the rotation of interface, high efficiency.

Optionally, the driving member includes a servo motor, a primary pulley and a secondary pulley, the servo motor is arranged on a rotating plate, a supporting plate is arranged on the rotating plate, a motor shaft of the servo motor penetrates through the supporting plate and then is fixedly connected with the primary pulley, a central shaft is rotatably connected to the supporting plate, a secondary pulley is arranged on the central shaft, a transmission belt is wound on the primary pulley and the secondary pulley, a worm is fixed on the central shaft, a worm wheel is coaxially fixed on the compression primary pulley, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, servo motor starts, and drive main belt wheel rotates, and main belt wheel drives the drive belt and rotates, and the drive belt drives secondary pulley and rotates, and secondary pulley drives the center pin and rotates, and the center pin drives the worm and rotates, and worm drive worm wheel rotates, and the worm wheel drives and compresses tightly the main wheel and rotates, and then has realized drive interface pivoted purpose, simple structure, convenient operation.

Optionally, the adjusting part includes a sliding plate connected to the frame in a sliding manner and a screw rod rotatably connected to the sliding plate, a mounting hole for mounting the sliding plate is formed in the frame, a fixing rod is arranged on the frame, the fixing rod is arranged in the mounting hole, the screw rod penetrates through the fixing rod and is in threaded connection with the fixing rod, and the pinch roller is arranged on the sliding plate.

Through adopting above-mentioned technical scheme, the user removes to the one end that is close to by wheel milling cutter through rotating screw rod drive screw rod and sliding plate, until the sliding plate drive pinch roller remove to with the interface butt, by wheel milling cutter can cut the interface this moment, and until the cutting is accomplished, easy operation has realized the cutting to the inner wall of interface, and is efficient.

Optionally, be equipped with the bracing piece in the frame, be equipped with the splash guard on the bracing piece, the opening of splash guard is towards depending on wheel milling cutter setting, set up the logical groove that supplies the bracing piece to pass on the splash guard, threaded connection has the nut on the bracing piece, the nut is located the splash guard roof.

Through adopting above-mentioned technical scheme, the splash guard is used for collecting the piece that interface fluting process produced inside, has reduced piece splash and the possibility that is difficult to the clearance, and the user unscrews the nut, can remove the splash guard, conveniently clears up the piece of splash guard below, has increased the cleanliness of course of working.

Optionally, a waste opening is formed in the frame and located below the idler wheel milling cutter, and a waste barrel is arranged below the frame.

Through adopting above-mentioned technical scheme, the setting of waste material mouth is convenient for the piece to drop to the waste material bucket of frame below from the frame in, has prolonged the time interval of piece clearance.

Optionally, a brush is arranged on the idler milling cutter, and the bottom wall of the brush is abutted to the top wall of the rack.

Through adopting above-mentioned technical scheme, the brush follows the rotation of depended wheel milling cutter and rotates, and with piece propelling movement to scrap gate department when the brush rotates, the piece of being convenient for drops to the waste bin in, convenient clearance.

Optionally, the frame has all seted up the spacing groove in mounting hole both sides wall, two the spacing inslot is equipped with a limiting plate, the limiting plate is located between pinch roller and the depended wheel milling cutter, the screw has all been seted up at the limiting plate both ends, set up a plurality of locating holes in the frame, the locating hole distributes in the mounting hole both sides, screw female connection has the screw, the screw is pegged graft in the locating hole that corresponds.

Through adopting above-mentioned technical scheme, when needing to change the fluting degree of interface, the user is through changing the limiting plate in the position of spacing inslot to screw into the appropriate locating hole with the screw can, easy operation has increased the adaptability of milling flutes equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the interface tightly pressed between the pressing wheel and the idler wheel milling cutter is driven by the driving mechanism to rotate, and the pressing wheel is utilized to tightly press the interface towards the direction of the rotating idler wheel milling cutter, so that the interface slotting can be realized, compared with manual slotting, the processing efficiency is improved, the slotting depth of the processed interface is uniform, and the product quality is improved;

2. the splash guard is matched with the waste barrel, and scraps generated by slotting the interface are collected in the waste barrel, so that the cleanliness of the processing process is improved;

3. the position of the limiting plate in the limiting groove is changed, so that the change of the slotting depth of the interface can be realized, and the adaptability of the groove milling equipment is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing the installation positions of the main pressing wheel and the main idler wheel in the embodiment of the application.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view at B in fig. 2.

Fig. 5 is a schematic structural diagram for showing the installation positions of the limiting plate and the limiting groove in the embodiment of the present application.

Fig. 6 is a partially enlarged view at C in fig. 5.

Description of reference numerals: 1. a frame; 11. a pinch roller; 12. mounting holes; 2. a wheel-side milling cutter; 21. a rotating shaft; 22. a secondary idler wheel; 23. milling cutters; 24. a drive motor; 3. a drive mechanism; 31. a cylinder; 32. a rotating plate; 33. a support plate; 34. pressing the main wheel; 35. a drive member; 351. a servo motor; 352. a primary pulley; 353. a secondary pulley; 354. a transmission belt; 355. a central shaft; 356. a worm; 357. a worm gear; 36. a main idler wheel; 4. an adjustment member; 41. a sliding plate; 42. a screw; 43. fixing the rod; 45. a limiting groove; 46. a limiting plate; 47. positioning holes; 48. a screw hole; 49. a screw; 5. a support bar; 51. a splash guard; 511. a connecting plate; 512. a top plate; 52. a through groove; 53. a nut; 54. a waste material port; 55. a waste bin; 56. a brush; 57. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses milling flutes equipment of HDPE winding pipe interface. Referring to fig. 1 and 2, the groove milling device for the HDPE winding pipe interface comprises a frame 1 erected on the ground, the interface is placed on the frame 1, a driving mechanism 3 used for fixing and driving the interface to rotate is arranged on the frame 1, an idler milling cutter 232 and a pressing wheel 11 used for pressing the interface to the idler milling cutter 2 are arranged on the frame 1, and an adjusting piece 4 used for fixing and driving the pressing wheel 11 to move towards the idler milling cutter 2 is arranged on one side of the frame 1.

Referring to fig. 2 and 3, the driving mechanism 3 includes a cylinder 31, a rotating plate 32, a pressing main wheel 34 and a main idler wheel 36, an end of the cylinder 31 away from the piston rod is hinged to a top wall of the rack 1, the piston rod of the cylinder 31 is hinged to a side wall of the rotating plate 32, the cylinder 31 is perpendicular to the length direction of the rotating plate 32, the rotating plate 32 is rotatably connected to the rack 1 through a shaft arranged at the center of the bottom wall, the pressing main wheel 34 is rotatably connected to the rotating plate 32, a hinge point of the pressing main wheel 34 and the piston rod of the cylinder 31 on the rotating plate 32 is oppositely arranged, the main idler wheel 36 is fixedly connected to the rack 1, in an initial state, the main idler wheel 36, the pressing main wheel 34 and the hinge point of the cylinder 31 and the rotating plate 32 are arranged in the same straight line, and a gap for placing an interface is formed between the pressing main wheel 34 and the main idler wheel 36; the rotating plate 32 is provided with a driving member 35 for driving the main pressing wheel 34 to rotate.

Referring to fig. 3, the driving member 35 includes a servo motor 351, a primary pulley 352, a central shaft 355, a secondary pulley 353, a worm 356 and a worm wheel 357, the top of the rotating plate 32 is vertically provided with a support plate 33 along the width direction of the rotating plate 32, the support plate 33 is disposed at the middle position of the rotating plate 32, the servo motor 351 is fixed on the rotating plate 32, the motor shaft of the servo motor 351 penetrates through the support plate 33 and is disposed perpendicular to the support plate 33, and the primary pulley 352 is fixed at one end of the servo motor 351 penetrating through the support plate 33. The central shaft 355 is vertically arranged on the plate surface of the support plate 33 departing from the servo motor 351, the central shaft 355 is rotatably connected with the support plate 33, the secondary pulley 353 is fixedly arranged on the central shaft 355, the main pulley 352 is wound with the transmission belt 354, the transmission belt 354 is arranged in parallel to the plate surface of the support plate 33, and one end of the transmission belt 354, which is far away from the main pulley 352, is wound on the secondary pulley 353. The worm 356 is coaxially fixed on the central shaft 355, the worm 356 is rotatably connected to the frame 1 through a support, the worm 356 is engaged with the worm wheel 357, the worm wheel 357 is fixedly arranged on the top of the pressing main wheel 34, and the height of the central shaft 355 is consistent with that of the worm wheel 357.

Referring to fig. 2 and 3, when a user performs slot milling on an interface, the interface is firstly placed between the main pressing wheel 34 and the main idler wheel 36, then the air cylinder 31 is started, the piston rod of the air cylinder 31 extends out, the piston rod of the air cylinder 31 pushes the rotating plate 32 to rotate, one end of the rotating plate 32 close to the main idler wheel 36 moves towards the main idler wheel 36, the rotating plate 32 drives the main pressing wheel 34 to move in the same direction until the main pressing wheel 34 presses the interface on the main idler wheel 36, and the air cylinder 31 stops; then servo motor 351 starts, servo motor 351 drives main belt wheel 352 to rotate, main belt wheel 352 drives transmission belt 354 to rotate, transmission belt 354 drives secondary belt wheel 353 to rotate, secondary belt wheel 353 drives center shaft 355 to rotate, center shaft 355 drives worm 356 to rotate, and then worm 356 drives worm wheel 357 to rotate, worm wheel 357 drives main wheel 34 to rotate, the friction force that compresses tightly main wheel 34 and interface contact surface drives the interface to rotate, and then the rotation of interface has been realized, and easy operation need not the manpower and drives the interface rotation, and is efficient.

Referring to fig. 2 and 4, the adjusting member 4 includes a sliding plate 41, a screw 42 vertically disposed on a side wall of the sliding plate 41, and a fixing rod 43 disposed on the frame 1, a mounting hole 12 for mounting the sliding plate 41 is formed in a side wall of the frame 1, the sliding plate 41 is disposed in the mounting hole 12, and both side walls of the sliding plate 41 abut against the frame 1, the frame 1 is provided with grooves on surfaces facing both side walls of the sliding plate 41, both side walls of the sliding plate 41 are provided with ribs cooperating with the grooves, so that the sliding plate 41 is slidably connected to the frame 1, and the sliding plate 41 slides along a length direction of the mounting hole 12.

Referring to fig. 2 and 4, the fixing rod 43 is arranged along the width direction of the mounting hole 12, two end portions of the fixing rod 43 are fixed on the frame 1, one end of the screw rod 42 far away from the sliding plate 41 is in threaded connection with the fixing rod 43 by vertically penetrating through the fixing rod 43, and one end of the screw rod 42 penetrating through the fixing rod 43 is provided with a hand wheel 57 for an operator to screw the screw rod 42; the pressing wheel 11 is vertically fixed on the sliding plate 41, and the connecting line of the pressing wheel 11 and the wheel-leaning milling cutter 2 is parallel to the length direction of the mounting hole 12.

Referring to fig. 5 and 6, the frame 1 has all seted up the spacing groove 45 at the both sides wall that mounting hole 12 is close to lean on 2 one end of wheel milling cutter, the fluting direction of two spacing grooves 45 is unanimous with mounting hole 12 width direction, a plurality of locating holes 47 have been seted up along screw rod 42 length direction to the tank bottom of spacing groove 45, it has a limiting plate 46 to peg graft in two spacing grooves 45, limiting plate 46 sets up the circular arc with pinch roller 11 periphery wall looks adaptation on the lateral wall towards pinch roller 11, and screw 48 has all been seted up at limiting plate 46 both ends, equal threaded connection has screw 49 in two screw 48, screw 49 spiro union is pegged graft in locating hole 47 simultaneously in screw 48, and then realize limiting plate 46's fixed.

Referring to fig. 5 and 6, the idler cutter 2 includes a rotating shaft 21 rotatably connected to the frame 1, and a secondary idler 22 and a cutter 23 coaxially and fixedly disposed on the rotating shaft 21, the cutter 23 is disposed between the frame 1 and the secondary idler 22, a diameter of the cutter 23 is slightly larger than a diameter of the secondary idler 22, a bottom wall of the frame 1 is provided with a driving motor 24, and a motor shaft of the driving motor 24 is fixedly connected to the rotating shaft 21. When a user needs to adjust the slotting depth in the interface, the user screws out the two screws 49, then adjusts the position of the limiting plate 46 in the limiting groove 45 according to the slotting depth, then screws the screws 49 into the screw holes 48 and downwards penetrates into the appropriate positioning holes 47, when the pressing wheel 11 abuts against the limiting plate 46, the distance between the pressing wheel 11 and the idler wheel milling cutter 2 is changed, and then the slotting depth of the interface is adjusted.

Referring to fig. 3 and 6, during slotting, after the interface is driven by the pressing main wheel 34 to rotate, a user rotates the hand wheel 57 to drive the screw rod 42 to rotate, the screw rod 42 moves towards the direction close to the idler wheel milling cutter 2, the pressing wheel 11 is tightly pressed on the interface, meanwhile, the milling cutter 23 slots the interface until the pressing wheel 11 is abutted against the limiting plate 46, slotting is completed, operation is simple, the slotting depth of the interface is consistent, and efficiency is high.

Referring to fig. 5 and 6, the wheel-leaning milling cutter 2 is provided with a splash guard 51, a gap exists between the splash guard 51 and the interface, so that interference on rotation of the interface is avoided, the arrangement of the splash guard 51 is used for reducing the possibility of chip splashing in the process of opening the interface, and the cleanliness of the processing process is increased; the splash guard 51 comprises two connecting plates 511 and a top plate 512, the two connecting plates 511 are fixedly connected at the end parts, the top plate 512 is in a fan shape, the radian of the fan shape is matched with the inner diameter of the interface, and the top plate 512 is perpendicular to the two connecting plates 511 and is fixed on the top walls of the two connecting plates 511; the top plate 512 is higher than the idler wheel milling cutter 2, the top plate 512 is provided with a through groove 52, the length direction of the through groove 52 is consistent with the length direction of the central line of the top plate 512, the rack 1 is vertically fixed with a support rod 5, the support rod 5 penetrates through the through groove 52, the support rod 5 is in threaded connection with a nut 53, and the nut 53 is located above the top plate 512.

Referring to fig. 5 and 6, a brush 56 is arranged on the bottom wall of the milling cutter 23, a waste opening 54 is formed in the frame 1 below the milling cutter 23, a waste barrel 55 is arranged below the frame 1, the waste barrel 55 is located right below the waste opening 54, when the milling cutter 23 rotates, the brush 56 rotates along with the milling cutter 23, and the brush 56 cleans debris to the position of the waste opening 54 and drops into the waste barrel 55; when needing to clear up the piece that stays in frame 1, the user upwards twists nut 53 to separate with roof 512, removes splash guard 51 to the direction of keeping away from pinch roller 11 after that to with piece propulsion waste material mouth 54 on the frame 1 and drop in waste material bucket 55 can, easy operation, the clearance is convenient, has improved the cleanliness of whole workshop.

The implementation principle of the milling groove equipment for the HDPE winding pipe interface in the embodiment of the application is as follows: when the interface is grooved, a user places the interface between the main pressing wheel 34 and the main idler wheel 36 and between the pressing wheel 11 and the secondary idler wheel 22, firstly, the air cylinder 31 is started, the piston rod of the air cylinder 31 drives the rotating plate 32 to rotate, and then the main pressing wheel 34 is driven to move towards the main idler wheel 36 until the main pressing wheel 34 presses the interface on the main idler wheel 36. Then the servo motor 351 is started, the servo motor 351 drives the main belt wheel 352 to rotate, the main belt wheel 352 drives the transmission belt 354 to rotate, the transmission belt 354 drives the secondary belt wheel 353 to rotate, the secondary belt wheel 353 drives the central shaft 355 and the worm 356 to rotate, the worm 356 drives the worm wheel 357 to rotate, and then the compression main wheel 34 is driven to rotate, and the compression main wheel 34 drives the interface to rotate.

After the interface rotates, the manual hand wheel 57 of rotating of user drives screw rod 42 and rotates and move towards the direction of depended wheel milling cutter 2, and then screw rod 42 drives sliding plate 41 and pinch roller 11 syntropy and removes, until pinch roller 11 butt is on the interface, milling cutter 23 begins the grooving to pinch roller 11 this moment, until pinch roller 11 butt on limiting plate 46, the grooving is accomplished, compare with artifical grooving, machining efficiency has been improved, and the interface fluting degree of depth of processing out is even, the quality of product has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a milling flutes equipment of HDPE winding pipe interface which characterized in that: including frame (1) and establish depended wheel milling cutter (2) in frame (1), be equipped with driving motor (24) on frame (1), the motor shaft and depended wheel milling cutter (2) fixed connection of driving motor (24), it is connected with pinch roller (11) to slide on frame (1), be equipped with regulating part (4) that are used for fixing and remove pinch roller (11) on frame (1), be equipped with on frame (1) and be used for fixing and drive interface pivoted actuating mechanism (3).

2. The HDPE winding tube interface milling equipment of claim 1, wherein: actuating mechanism (3) are including establishing cylinder (31) and rotor plate (32) on frame (1), cylinder (31) are articulated with frame (1), the piston rod and rotor plate (32) of cylinder (31) are articulated, rotor plate (32) rotate with frame (1) and are connected, it compresses tightly main wheel (34) to rotate to be connected with on rotor plate (32), be equipped with the drive on rotor plate (32) and compress tightly main wheel (34) pivoted driving piece (35), be equipped with main depended wheel (36) on frame (1).

3. The HDPE winding tube interface milling equipment of claim 2, wherein: the driving piece (35) comprises a servo motor (351), a main belt wheel (352) and a secondary belt wheel (353), wherein the servo motor (351) is arranged on a rotating plate (32), a supporting plate (33) is arranged on the rotating plate (32), a motor shaft of the servo motor (351) penetrates through the supporting plate (33) and then is fixedly connected with the main belt wheel (352), a central shaft (355) is connected to the supporting plate (33) in a rotating mode, the secondary belt wheel (353) is arranged on the central shaft (355), a transmission belt (354) is wound on the main belt wheel (352) and the secondary belt wheel (353), a worm (356) is fixed on the central shaft (355), a worm wheel (357) is coaxially fixed on the compression main wheel (34), and the worm (356) is meshed with the worm wheel (357).

4. The HDPE winding tube interface milling equipment of claim 1, wherein: the adjusting part (4) comprises a sliding plate (41) connected to the rack (1) in a sliding mode and a screw rod (42) rotatably connected with the sliding plate (41), a mounting hole (12) used for placing the sliding plate (41) is formed in the rack (1), a fixing rod (43) is arranged on the rack (1), the fixing rod (43) is arranged in the mounting hole (12), the screw rod (42) penetrates through the fixing rod (43) and then is in threaded connection with the fixing rod (43), and the pressing wheel (11) is arranged on the sliding plate (41).

5. The HDPE winding tube interface milling equipment of claim 1, wherein: be equipped with bracing piece (5) on frame (1), be equipped with splash guard (51) on bracing piece (5), the opening of splash guard (51) sets up towards depended wheel milling cutter (2), set up logical groove (52) that supply bracing piece (5) to pass on splash guard (51), threaded connection has nut (53) on bracing piece (5), nut (53) are located splash guard (51) roof.

6. The HDPE winding tube interface milling groove device of claim 5, wherein: the waste material barrel is characterized in that a waste material opening (54) is formed in the rack (1), the waste material opening (54) is located below the idler wheel milling cutter (2), and a waste material barrel (55) is arranged below the rack (1).

7. The HDPE winding tube interface milling groove device of claim 6, wherein: the idler wheel milling cutter (2) is provided with a brush (56), and the bottom wall of the brush (56) is abutted to the top wall of the rack (1).

8. The HDPE winding tube interface milling groove device of claim 7, wherein: frame (1) has all seted up spacing groove (45) at mounting hole (12) both sides wall, two be equipped with a limiting plate (46) in spacing groove (45), limiting plate (46) are located between pinch roller (11) and depended wheel milling cutter (2), screw (48) have all been seted up at limiting plate (46) both ends, set up a plurality of locating holes (47) on frame (1), locating hole (47) distribute in mounting hole (12) both sides, screw (48) female connection has screw (49), screw (49) are pegged graft in locating hole (47) that correspond.

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