CN108908114B

CN108908114B - New energy automobile production is with location processingequipment

Info

Publication number: CN108908114B
Application number: CN201810891975.6A
Authority: CN
Inventors: 黄佳钰
Original assignee: Changle Zhirui Hengchuang Energy Saving Technology Co ltd
Current assignee: CHANGLE ZHIRUI HENGCHUANG ENERGY SAVING TECHNOLOGY Co.,Ltd.
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2021-03-23
Anticipated expiration: 2038-08-07
Also published as: CN108908114A

Abstract

The invention relates to the technical field of automobile manufacturing equipment and discloses a positioning and processing device for new energy automobile production. This new energy automobile production is with location processingequipment drives clamping piece and connecting piece contact through fixed pneumatic cylinder to make the rigidity of high frequency steel pipe, reach the effect of location, the portable pneumatic rod of cooperation drives clamping plate and circular arc piece contact, and driving motor drives loose gear and connecting gear operation, makes the threaded rod rotatory messenger slider remove, and drives dead lever and circular arc piece and remove, thereby drives the high frequency steel pipe and removes, thereby reaches the effect of removal.

Description

New energy automobile production is with location processingequipment

Technical Field

The invention relates to the technical field of automobile manufacturing equipment, in particular to a positioning and processing device for new energy automobile production.

Background

The new energy automobile refers to all other energy automobiles except gasoline and diesel engines, including fuel cell automobiles, hybrid automobiles, hydrogen energy power automobiles, solar automobiles and the like, has low exhaust emission, has over 400 ten thousand liquefied petroleum gas automobiles and over 100 ten thousand natural gas automobiles in the world according to incomplete statistics, is a hybrid automobile and a pure electric automobile in most new energy automobiles sold in the market of China at present, and is an automobile with advanced technology in the aspects of power control and driving of the automobile by adopting unconventional automobile fuel as a power source according to the national development definition, so that the formed technical principle is advanced, and the automobile has new technology and new structure.

In automobile parts machining, need various equipment to make up each other and use in coordination, and the location processingequipment is convenient for one of the equipment that often uses, often be used for centre gripping and stability, be convenient for process, like the inside high frequency steel pipe of car, just often need the location processingequipment, but current location processingequipment has certain defect, if need remove high frequency steel pipe in high frequency steel pipe machining, and be difficult to remove after the location processingequipment location, need cancel the location, make the operation complicated, and need polish the surface in the high frequency steel pipe machining, and the location processingequipment then does not have burnishing device, long-time use abrasive disc in addition, can make abrasive disc appear damaging, need to change.

The utility model discloses a current application number is located CN 201721576388.5's utility model discloses an automobile processing positioner, this utility model has overcome the automobile processing positioner who uses at present, because clamping structure adopts the single-stage rotation centre gripping, cause the centre gripping fixed range less, and to the atress protection disappearance by adding the thing, cause to be added the thing and appear the cracked scheduling problem of deformation, but still have the defect, can not process the auto parts of location if add man-hour, also can not remove the auto parts of location, make this processing positioner usability low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a positioning and processing device for new energy automobile production, which has the advantages of moving, grinding, convenient grinding disc replacement and the like, and solves the problems that the existing positioning and processing device is difficult to move after positioning, positioning is required to be cancelled, so that the operation is complex, the surface needs to be polished in high-frequency steel pipe processing, the positioning and processing device does not have a polishing device, and in addition, the grinding disc is damaged and needs to be replaced due to long-time use of the grinding disc.

(II) technical scheme

In order to realize the purposes of moving, polishing and facilitating the replacement of the polishing disc, the invention provides the following technical scheme: a positioning processing device for new energy automobile production comprises a base, wherein supporting rods are fixedly mounted at four corners of the top of the base, a top plate is fixedly mounted at the tops of the four supporting rods, supporting blocks are fixedly mounted at the tops of the base, the number of the supporting blocks is two, the two supporting blocks are distributed at two ends of the top of the base, a connecting rod is fixedly mounted at the tops of the supporting blocks, a connecting piece is fixedly mounted at the tops of the connecting rods, a fixed pneumatic cylinder located above the connecting piece is fixedly mounted at the top of the top plate, the number of the fixed pneumatic cylinder is two, a transmission shaft of the fixed pneumatic cylinder penetrates through the top plate and extends to the bottom of the top plate, a clamping piece is fixedly mounted at the bottom of the top plate, the transmission shaft of the fixed pneumatic cylinder is movably sleeved with the inside of, the top of the base is fixedly provided with a fixed box positioned between the supporting blocks, the top of the fixed box is provided with a moving groove, the moving groove is communicated with the inside of the fixed box, the left side and the right side of the fixed box are both provided with adjusting grooves, the two adjusting grooves are both communicated with the inside of the fixed box, the inside of the fixed box is fixedly provided with a threaded rod, the outer surface of the threaded rod is movably sleeved with a slide block, the side surface of the slide block is movably sleeved with the inside of the fixed box, the top of the slide block is fixedly provided with a fixed rod, the top of the fixed rod is fixedly provided with an arc block, the left side and the right side of the slide block are both fixedly provided with a moving rod, the other end of the moving rod is fixedly provided with a connecting block, the top of the connecting block is fixedly provided, the bottom of clamp plate is through the top swing joint of high frequency steel pipe and circular arc piece, the one end of threaded rod runs through fixed case and extends to the outside of fixed case and fixed the cup jointing and has connect the gear, the outer edge meshing that connects the gear is connected with the loose gear, the fixed output shaft that has cup jointed drive motor in middle part of loose gear, drive motor's bottom and the top fixed connection of base.

Preferably, the top of the fixed rod passes through the moving groove and extends to the outside of the top of the fixed box and is fixedly connected with the top of the arc block, and the other end of the moving rod passes through the adjusting groove and extends to the outside of the fixed box and is fixedly connected with one side of the connecting block.

Preferably, the bottom of the connecting block is provided with a track, the top of the base is fixedly provided with slide rails positioned on two sides of the fixed box, and the bottom of the connecting block is movably sleeved with the slide rails on the top of the base through the track.

Preferably, the right end of the top plate is fixedly provided with two positioning blocks, the middle parts of the two positioning blocks are movably sleeved with transmission rods, and two ends of each transmission rod are fixedly sleeved with fixed gears.

Preferably, the outer edge meshing of fixed gear is connected with the positioning gear, the fixed rotary rod that has cup jointed in middle part of positioning gear, the bottom of rotary rod runs through the roof and extends to the bottom of roof and fixed the cup jointing has the fixed disk, the surface of rotary rod cup joints with the inside activity of roof.

Preferably, the outer edge of the positioning gear is connected with a transmission gear in a meshing manner, the middle part of the transmission gear is fixedly sleeved with an output shaft of a fixed motor, and the bottom of the fixed motor is fixedly connected with the top of the top plate.

Preferably, the outer surface activity of rotary rod cup joints the dish of polishing that is located the fixed disk below, the outer surface activity of rotary rod cup joints the positioning disk that is located the dish of polishing below.

Preferably, the hole has been seted up at the top of the dish of polishing, the top fixed mounting of positioning disk has the screwed pipe, the top of screwed pipe cup joints with the hole activity of the dish surface of polishing, the top threaded connection of fixed disk has the screw rod, the one end of screw rod runs through the fixed disk and extends to the bottom of fixed disk and cup joints with the inside screwed pipe screw thread in hole.

Preferably, the bottom of rotary rod is equipped with the screw thread, the mounting has been cup jointed through the screw thread to the bottom of rotary rod, the top of mounting and the bottom swing joint of positioning disk.

(III) advantageous effects

Compared with the prior art, the invention provides a positioning and processing device for new energy automobile production, which has the following beneficial effects:

1. this new energy automobile production is with location processingequipment drives clamping piece and connecting piece contact through fixed pneumatic cylinder to make the rigidity of high frequency steel pipe, reach the effect of location, the portable pneumatic rod of cooperation drives clamping plate and circular arc piece contact, and driving motor drives loose gear and connecting gear operation, makes the threaded rod rotatory messenger slider remove, and drives dead lever and circular arc piece and remove, thereby drives the high frequency steel pipe and removes, thereby reaches the effect of removal.

This new energy automobile production is with location processingequipment, through fixed motor, it is rotatory with location gear to drive gear, and fixed gear on the cooperation transfer line drives another location gear and rotates to make the rotary rod rotatory, thereby it is rotatory to drive the mill on the rotary rod, thereby makes two mills the mill polish the high frequency steel pipe, reaches the effect of polishing.

This new energy automobile production is with location processingequipment, through the screwed pipe on the positioning disk and the hole contact on the dish of polishing, cooperation screw rod and screwed pipe contact to the position that makes the dish of polishing is fixed between fixed disk and positioning disk, and convenient to detach, and the bottom contact of mounting and rotary rod, thereby prescribe a limit to the position of positioning disk, thereby reach the effect of being convenient for change the dish of polishing.

Drawings

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

FIG. 2 is a side view of the present invention in FIG. 1;

FIG. 3 is a top view of the present invention shown in FIG. 1;

FIG. 4 is an enlarged view of A in FIG. 1 according to the present invention.

In the figure: 1 base, 2 support rods, 3 top plates, 4 support blocks, 5 connecting rods, 6 connecting pieces, 7 fixed pneumatic cylinders, 8 clamping pieces, 9 fixed boxes, 10 moving grooves, 11 adjusting grooves, 12 threaded rods, 13 sliding blocks, 14 fixed rods, 15 circular arc blocks, 16 moving rods, 17 connecting blocks, 18 movable pneumatic cylinders, 19 clamping plates, 20 tracks, 21 sliding rails, 22 positioning blocks, 23 transmission rods, 24 fixed gears, 25 positioning gears, 26 rotating rods, 27 fixed disks, 28 transmission gears, 29 fixed motors, 30 polishing disks, 31 positioning disks, 32 holes, 33 threaded pipes, 34 threaded rods, 35 fixing pieces, 36 connecting gears, 37 movable gears and 38 transmission motors.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a positioning and processing device for new energy automobile production comprises a base 1, wherein support rods 2 are fixedly mounted at four corners of the top of the base 1, a top plate 3 is fixedly mounted at the tops of the four support rods 2, support blocks 4 are fixedly mounted at the top of the base 1, the number of the support blocks 4 is two, the two support blocks 4 are distributed at two ends of the top of the base 1, a connecting rod 5 is fixedly mounted at the top of each support block 4, a connecting member 6 is fixedly mounted at the top of each connecting rod 5, a fixed pneumatic cylinder 7 positioned above the connecting member 6 is fixedly mounted at the top of the top plate 3, the number of the fixed pneumatic cylinders 7 is two, the model number of the fixed pneumatic cylinders 7 is MCMB, a transmission shaft of each fixed pneumatic cylinder 7 penetrates through the top plate 3 and extends to the bottom of the top plate 3, a, the top of the connecting piece 6 is movably connected with the bottom of the clamping piece 8 through a high-frequency steel pipe, the top of the base 1 is fixedly provided with a fixed box 9 positioned between the supporting blocks 4, the top of the fixed box 9 is provided with a moving groove 10, the moving groove 10 is mutually communicated with the inside of the fixed box 9, the left side and the right side of the fixed box 9 are both provided with adjusting grooves 11, the two adjusting grooves 11 are mutually communicated with the inside of the fixed box 9, the inside of the fixed box 9 is fixedly provided with a threaded rod 12, the outer surface of the threaded rod 12 is movably sleeved with a sliding block 13, the side surface of the sliding block 13 is movably sleeved with the inside of the fixed box 9, the top of the sliding block 13 is fixedly provided with a fixed rod 14, the top of the fixed rod 14 is fixedly provided with an arc block 15, the left side and the right side of the sliding block 13 are both fixedly provided with moving rods 16, the other end of the moving rod 16 is fixedly, the other end of the moving rod 16 passes through the adjusting groove 11 and extends to the outer side of the fixed box 9 and is fixedly connected with one side of the connecting block 17, the top of the connecting block 17 is fixedly provided with a movable pneumatic cylinder 18, the model of the movable pneumatic cylinder 18 is UISC225, the tops of the two movable pneumatic cylinders 18 are fixedly provided with clamping plates 19, the bottoms of the clamping plates 19 are movably connected with the top of the arc block 15 through a high-frequency steel pipe, one end of a threaded rod 12 penetrates through the fixed box 9 and extends to the outer side of the fixed box 9 and is fixedly sleeved with a connecting gear 36, the outer edge of the connecting gear 36 is engaged with a movable gear 37, the middle part of the movable gear 37 is fixedly sleeved with an output shaft of a transmission motor 38, the model of the transmission motor 38 is Y80L1-2, the bottom of the transmission motor 38 is fixedly connected with the top of the base 1, the bottom of the connecting block 17 is, the connecting block 17 moves along with the movement of the sliding block 13 through the sliding rail 21, the connecting block 17 is limited, the bottom of the connecting block 17 is movably sleeved with the sliding rail 21 at the top of the base 1 through the rail 20, the clamping piece 8 is driven to be in contact with the connecting piece 6 through the fixed pneumatic cylinder 7, so that the position of the high-frequency steel pipe is fixed, the positioning effect is achieved, the movable pneumatic rod 18 is matched to drive the clamping plate 19 to be in contact with the arc block 15, the transmission motor 38 drives the movable gear 37 and the connecting gear 36 to operate, the threaded rod 12 rotates to enable the sliding block 13 to move, the fixed rod 14 and the arc block 15 are driven to move, so that the high-frequency steel pipe is driven to move, the moving effect is achieved, the positioning blocks 22 are fixedly installed at the right end of the top plate 3, the number of the positioning blocks 22 is two, the transmission, the outer edge of the fixed gear 24 is connected with a positioning gear 25 in a meshing manner, the middle part of the positioning gear 25 is fixedly sleeved with a rotating rod 26, the bottom of the rotating rod 26 penetrates through the top plate 3 and extends to the bottom of the top plate 3, and is fixedly sleeved with a fixed disc 27, the outer surface of the rotating rod 26 is movably sleeved with the inside of the top plate 3, the outer edge of the positioning gear 25 is connected with a transmission gear 28 in a meshing manner, the middle part of the transmission gear 28 is fixedly sleeved with an output shaft of a fixed motor 29, the model of the fixed motor 29 is Y90L1-2, the bottom of the fixed motor 29 is fixedly connected with the top of the top plate 3, the outer surface of the rotating rod 26 is movably sleeved with a polishing disc 30 positioned below the fixed disc 27, the outer surface of the rotating rod 26 is movably sleeved with a positioning disc 31 positioned below the polishing disc, the fixed gear 24 on the transmission rod 23 is matched to drive the other positioning gear 25 to rotate, so that the rotating rod 26 is rotated, and the polishing disks 30 on the rotating rod 26 are driven to rotate, so that the two polishing disks 30 polish the high-frequency steel pipe to achieve the polishing effect, a threaded pipe 33 is fixedly installed at the top of the positioning disk 31, the top of the threaded pipe 33 is movably sleeved with a hole 32 on the outer surface of the polishing disk 30, a threaded rod 34 is connected with the top of the fixed disk 27 in a threaded manner, one end of the threaded rod 34 penetrates through the fixed disk 27 and extends to the bottom of the fixed disk 27 and is sleeved with the threaded pipe 33 inside the hole 32, threads are arranged at the bottom end of the rotating rod 26, a fixing piece 35 is sleeved at the bottom end of the rotating rod 26 through threads, the top of the fixing piece 35 is movably connected with the bottom of the positioning disk 31, the threaded pipe 33 on the positioning disk, thereby make the rigidity of polishing dish 30 between fixed disk 27 and positioning disk 31, and convenient to detach, and the bottom contact of mounting 35 and rotary rod 26, thereby prescribe a limit to the position of positioning disk 31, thereby reach the effect of being convenient for change polishing dish 30, cooperation through above structure, make the device possess remove and polish and be convenient for change advantages such as polishing dish 30, it is difficult to remove after having solved current location processingequipment location, need cancel the location, make the operation complicated, and need polish the surface among the high frequency steel pipe processing, and location processingequipment then does not have burnishing device, long-time use polishing dish 30 in addition, can make polishing dish 30 appear damaging, the problem that needs to be changed.

When the device works, during processing, the fixed pneumatic cylinder 7 runs to enable the clamping piece 8 to be in contact with the connecting piece 6 so as to clamp the high-frequency steel pipe, during moving, the fixed pneumatic cylinder 7 runs to enable the clamping piece 8 to be separated from the connecting piece 6, the movable pneumatic cylinder 18 runs to enable the clamping plate 19 to be in contact with the arc block 15 and to clamp the high-frequency steel pipe, then the transmission motor 38 drives the movable gear 37 and the connecting gear 36 to run to enable the threaded rod 12 to rotate to enable the sliding block 13 to move, the connecting block 17 and the fixed rod 14 move along with the movement of the sliding block 13 so as to enable the high-frequency steel pipe to move, during polishing, the fixed motor 29 drives the transmission gear 28 and the positioning gear 25 to rotate, the fixed gear 24 on the transmission rod 23 enables the two rotating rods 26 to run synchronously, so that the polishing disk 30 on the rotating rod, the screw 34 is then unscrewed, so that the screw 34 is disengaged from the threaded tube 33, thereby removing the positioning disc 31 and the grinding disc 30 for replacement.

In summary, according to the positioning and processing device for the new energy automobile production, the fixed pneumatic cylinder 7 drives the clamping piece 8 to contact with the connecting piece 6, so that the position of the high-frequency steel pipe is fixed, and the positioning effect is achieved, the movable pneumatic rod 18 is matched to drive the clamping plate 19 to contact with the arc block 15, the transmission motor 38 drives the movable gear 37 and the connecting gear 36 to operate, the threaded rod 12 rotates to move the sliding block 13, and the fixed rod 14 and the arc block 15 are driven to move, so that the high-frequency steel pipe is driven to move, and the moving effect is achieved; the transmission gear 28 and the positioning gear 25 are driven to rotate by the fixed motor 29, and the fixed gear 24 on the transmission rod 23 is matched to drive the other positioning gear 25 to rotate, so that the rotating rod 26 is rotated, the polishing discs 30 on the rotating rod 26 are driven to rotate, and the two polishing discs 30 polish the high-frequency steel pipe to achieve the polishing effect; the position of the polishing disc 30 is fixed between the fixed disc 27 and the positioning disc 31 and is convenient to disassemble through the contact of the threaded pipe 33 on the positioning disc 31 and the hole 32 on the polishing disc 30 and the contact of the matching screw 34 and the threaded pipe 33, and the fixing piece 35 is in contact with the bottom of the rotating rod 26 so as to limit the position of the positioning disc 31 and achieve the effect of facilitating the replacement of the polishing disc 30; the problem of current location processingequipment be difficult to remove after the location, need cancel the location for the operation is complicated, need polish the surface in the high frequency steel pipe processing moreover, and location processingequipment then does not have burnishing device, long-time use in addition make the mill 30 appear damaging, need change is solved.

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

1. The utility model provides a new energy automobile production is with location processingequipment, includes base (1), its characterized in that: the four corners of the top of the base (1) are fixedly provided with support rods (2), the tops of the four support rods (2) are fixedly provided with a top plate (3), the top of the base (1) is fixedly provided with support blocks (4), the number of the support blocks (4) is two, the two support blocks (4) are distributed at two ends of the top of the base (1), the top of each support block (4) is fixedly provided with a connecting rod (5), the top of each connecting rod (5) is fixedly provided with a connecting piece (6), the top of the top plate (3) is fixedly provided with a fixed pneumatic cylinder (7) positioned above the connecting piece (6), the number of the fixed pneumatic cylinders (7) is two, a transmission shaft of each fixed pneumatic cylinder (7) penetrates through the top plate (3) and extends to the bottom of the top plate (3) and is fixedly provided with a clamping piece (8), and the transmission shaft of each fixed pneumatic cylinder (7), the top of the connecting piece (6) is movably connected with the bottom of the clamping piece (8) through a high-frequency steel pipe, the top of the base (1) is fixedly provided with a fixed box (9) positioned between the supporting blocks (4), the top of the fixed box (9) is provided with a moving groove (10), the moving groove (10) is communicated with the inside of the fixed box (9), the left side and the right side of the fixed box (9) are provided with adjusting grooves (11), the two adjusting grooves (11) are communicated with the inside of the fixed box (9), the inside of the fixed box (9) is fixedly provided with a threaded rod (12), the outer surface of the threaded rod (12) is movably sleeved with a sliding block (13), the side surface of the sliding block (13) is movably sleeved with the inside of the fixed box (9), the top of the sliding block (13) is fixedly provided with a fixing rod (14), the top of the fixing rod (14) is fixedly provided with a circular arc block (, moving rods (16) are fixedly arranged on the left side and the right side of the sliding block (13), a connecting block (17) is fixedly arranged at the other end of each moving rod (16), the top of the connecting block (17) is fixedly provided with a movable pneumatic cylinder (18), the top of the two movable pneumatic cylinders (18) is fixedly provided with a clamping plate (19), the bottom of the clamping plate (19) is movably connected with the top of the arc block (15) through a high-frequency steel pipe, one end of the threaded rod (12) penetrates through the fixed box (9) and extends to the outer side of the fixed box (9) and is fixedly sleeved with a connecting gear (36), the outer edge of the connecting gear (36) is engaged with a movable gear (37), the middle part of the movable gear (37) is fixedly sleeved with an output shaft of a transmission motor (38), the bottom of the transmission motor (38) is fixedly connected with the top of the base (1);

positioning blocks (22) are fixedly mounted at the right end of the top plate (3), the number of the positioning blocks (22) is two, transmission rods (23) are movably sleeved in the middles of the two positioning blocks (22), and fixed gears (24) are fixedly sleeved at two ends of each transmission rod (23);

the outer edge of the fixed gear (24) is connected with a positioning gear (25) in a meshing manner, the middle of the positioning gear (25) is fixedly sleeved with a rotating rod (26), the bottom of the rotating rod (26) penetrates through the top plate (3) and extends to the bottom of the top plate (3) and is fixedly sleeved with a fixed disc (27), and the outer surface of the rotating rod (26) is movably sleeved with the inside of the top plate (3);

the outer surface of the rotating rod (26) is movably sleeved with a polishing disc (30) positioned below the fixed disc (27), and the outer surface of the rotating rod (26) is movably sleeved with a positioning disc (31) positioned below the polishing disc (30);

hole (32) have been seted up at the top of beating dish (30), the top fixed mounting of positioning disk (31) has screwed pipe (33), the top of screwed pipe (33) cup joints with hole (32) activity of beating dish (30) surface, the top threaded connection of fixed disk (27) has screw rod (34), the one end of screw rod (34) runs through fixed disk (27) and extends to the bottom of fixed disk (27) and cup joints with the inside screwed pipe (33) screw thread of hole (32).

2. The positioning and processing device for the new energy automobile production according to claim 1, characterized in that: the top of the fixed rod (14) passes through the moving groove (10) and extends to the outer side of the top of the fixed box (9) and is fixedly connected with the top of the arc block (15), and the other end of the moving rod (16) passes through the adjusting groove (11) and extends to the outer side of the fixed box (9) and is fixedly connected with one side of the connecting block (17).

3. The positioning and processing device for the new energy automobile production according to claim 1, characterized in that: track (20) have been seted up to the bottom of connecting block (17), the top fixed mounting of base (1) has slide rail (21) that are located fixed box (9) both sides, the bottom of connecting block (17) is through track (20) and slide rail (21) activity at base (1) top and is cup jointed.

4. The positioning and processing device for the new energy automobile production according to claim 3, characterized in that: the bottom of rotary rod (26) is equipped with the screw thread, the bottom of rotary rod (26) has cup jointed mounting (35) through the screw thread, the top of mounting (35) and the bottom swing joint of positioning disk (31).