CN209407474U - A kind of full-automatic set square drilling machine - Google Patents

Abstract

The utility model discloses a kind of full-automatic set square drilling machines, including rack, control cabinet, hopper, feeding assembly, width adjusting component, feeding material component, oblique drillstring component and straight drillstring component, the desktop of the rack is fixed with control cabinet by screw, hopper is offered in the middle part of the desktop of the rack, the opening of the hopper is equipped with feeding assembly, the feeding assembly is by adjustable panel, expect frame, angle bar, limit plate, press cylinder frame, press cylinder, fixing clamp and pressure plate composition, one end of the adjustable panel passes through the fixed material rack of screw, the inner wall of the material frame is fixed with angle bar by screw, the top of the adjustable panel is fixed with limit plate by screw, the both ends of the limit plate are welded with press cylinder frame, the top inner wall of the press cylinder frame has been bolted press cylinder, the press cylinder One end has been bolted fixing clamp, and the set square drilling machine, work efficiency is high, easy to operate.

Description

A kind of full-automatic set square drilling machine

Technical field

The utility model relates to machining equipment technical field, specially a kind of full-automatic set square drilling machine.

Background technique

Drilling machine is the mechanical equipment punched to surface of material, usually using hard metal bit when drilling, is led to The mode for crossing rotary cutting or rotary squeezing is removed material processing to material.

But traditional drilling machine, by manual operation control drilling, complicated for operation, drilling is nonstandard, bores multiple Kong Shixu It will be by repeatedly completing the process, drilling efficiency is low, waste of manpower resource, and the precision of same apertures is low when batch machining, so setting It is necessary for counting a kind of full-automatic set square drilling machine.

Utility model content

The purpose of this utility model is to provide a kind of full-automatic set square drilling machines, to solve to mention in above-mentioned background technique Out the problem of.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of full-automatic set square drilling Machine, including rack, control cabinet, hopper, feeding assembly, width adjusting component, feeding material component, oblique drillstring component and straight drillstring component, institute The desktop for stating rack is fixed with control cabinet by screw, offers hopper, the opening of the hopper in the middle part of the desktop of the rack Place is equipped with feeding assembly, the feeding assembly by adjustable panel, material frame, angle bar, limit plate, press cylinder frame, press cylinder, Fixing clamp and pressure plate composition, by the fixed material rack of screw, the inner wall of the material frame passes through spiral shell for one end of the adjustable panel Nail is fixed with angle bar, and the top of the adjustable panel is fixed with limit plate by screw, and the both ends of the limit plate are welded with Press cylinder frame, the top inner wall of the press cylinder frame have been bolted press cylinder, one end of the press cylinder It is bolted fixing clamp, the inner wall of the fixing clamp is fixed with pressure plate, the two sides of the feeding assembly by screw Correspondence is equipped with width adjusting component, and the width adjusting component is by the first supporting plate, the second supporting plate, the first sliding panel and the first spiral shell Bar forms, and is socketed with the second supporting plate at the top of first supporting plate, one end of second supporting plate has been bolted first The other end of sliding panel, second supporting plate is connected with the first screw rod by screw thread, and the inside of the hopper, which is equipped with, to be sent Expect component, the feeding material component is by feeding pedestal, first straight line guide rail, the first sliding block, the second sliding panel, lifting cylinder, lifting Block, lifter plate, the second sliding block, second straight line guide rail, first connecting rod, cylinder block, material folding cylinder, ejection block, positioning plate, feeding The top of cylinder and cylinder connecting plate composition, the feeding pedestal is fixed with first straight line guide rail by screw, and described first is straight It is socketed with the first sliding block on the outside of line guide rail, is connected with the second sliding panel between the top of four first sliding blocks, described It is bolted lifting cylinder at the top of the bottom plate of two sliding panels, one end of the lifting cylinder has been bolted lifting The side of block, the elevator is fixed with lifter plate by screw, and the side of the lifter plate is equipped with by the second sliding block Two linear guides are welded with first connecting rod at the top of the lifter plate, and the top of the first connecting rod is uniformly equipped with gas The side of cylinder seat, the cylinder block is fixed with material folding cylinder by screw, and the other side of the cylinder block is equipped with ejection block, institute The right for stating ejection block is provided with positioning plate, and the other side of the feeding pedestal is fixed with feeding cylinder by screw, described to send One end of material cylinder has been bolted cylinder connecting plate, and the top of the rack, which corresponds to, is equipped with oblique drillstring component, described oblique Drillstring component by third supporting plate, the second screw rod, the 4th supporting plate, third screw rod, the 5th supporting plate, vertical plate, the 4th screw rod, the 6th supporting plate, Fixed plate, the first fixed block, the first connecting tube, first motor, the first brill packet and oblique drill bit composition, the one of the third supporting plate Side is connected with the second screw rod by screw thread, and the 4th supporting plate is equipped at the top of the third supporting plate, the 4th supporting plate Side is connected with third screw rod by screw thread, and the 5th supporting plate, the 5th supporting plate are equipped at the top of the 4th supporting plate Top vertical plate is fixed with by screw, the top of the vertical plate is connected with the 4th screw rod by screw thread, the vertical plate The other side is equipped with the 6th supporting plate, and the side of the 6th supporting plate is fixed with fixed plate, the side of the fixed plate by screw The first fixed block is fixed with by screw, one end of first fixed block has been bolted the first connecting tube, and described One end of one connecting tube is fixed with first motor by screw, and the other end of first fixed block is equipped with the first brill packet, institute The one end for stating the first brill packet is socketed with oblique drill bit, straight drillstring component is provided with above the hopper, the straight drillstring component is by straight Bore pedestal, support column, attachment base, the second connecting rod, the second fixed block, the second connecting tube, the second motor, the second brill packet and straight brill Drill bit composition, the straight inside for boring pedestal are socketed with support column, and the top of the support column is equipped with second by attachment base Connecting rod, one end of second connecting rod are socketed with the second fixed block, and one end of second fixed block is bolted Have the second connecting tube, one end of second connecting tube is fixed with the second motor by screw, second fixed block it is another End is equipped with the second brill packet, and described second one end for boring packet is socketed with straight drill bit.

Further, the rack and the first supporting plate, third supporting plate, straight bore are fixed by screw between pedestal.

Further, the feeding pedestal is fixed on the bottom interior wall of hopper by spot welding.

Further, the side of the ejection block and one end of material folding cylinder are fixed by screw, and the cross bar of ejection block Through cylinder block.

Further, one end of first connecting tube and one end of the second connecting tube extend through the first fixed block and the Two fixed blocks, and one end of the first connecting tube and one end of the second connecting tube bore with first pass through between packet and the second brill packet respectively Bolt is fixed.

Compared with prior art, the utility model beneficial effect achieved is: the set square drilling machine, logical in processing Operation control box is crossed to control boring procedure, realizes that processing is full-automatic, high efficiency easy to operate, press cylinder passes through solid Clamp drives pressure plate that material is fixed, and reduces shake of the material in drilling, solves the problems, such as that drilling is non-type, installation There are three groups of boring assemblies to realize that the multi-faceted simultaneous processing of multiaxis, each component cycle operation reduce the processing program of worker.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

In the accompanying drawings:

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the whole the schematic diagram of the section structure of the utility model；

Fig. 3 is the feeding assembly structural schematic diagram of the utility model；

Fig. 4 is the width adjusting component structure diagram of the utility model；

Fig. 5 is the feeding material component structural schematic diagram of the utility model；

Fig. 6 is the oblique drillstring component structural schematic diagram of the utility model；

Fig. 7 is the straight drillstring component structural schematic diagram of the utility model；

In figure: 1, rack；2, control cabinet；3, hopper；4, feeding assembly；5, width adjusting component；6, feeding material component；7, Oblique drillstring component；8, straight drillstring component；41, adjustable panel；42, expect frame；43, angle bar；44, limit plate；45, press cylinder frame；46, it presses Expect cylinder；47, fixing clamp；48, pressure plate；51, the first supporting plate；52, the second supporting plate；53, the first sliding panel；54, the first screw rod； 61, feeding pedestal；62, first straight line guide rail；63, the first sliding block；64, the second sliding panel；65, lifting cylinder；66, elevator； 67, lifter plate；68, the second sliding block；69, second straight line guide rail；610, first connecting rod；611, cylinder block；612, material folding cylinder； 613, ejection block；614, positioning plate；615, feeding cylinder；616, cylinder connecting plate；71, third supporting plate；72, the second screw rod；73, 4th supporting plate；74, third screw rod；75, the 5th supporting plate；76, vertical plate；77, the 4th screw rod；78, the 6th supporting plate；79, fixed plate； 710, the first fixed block；711, the first connecting tube；712, first motor；713, first packet is bored；714, oblique drill bit；81, straight to bore Pedestal；82, support column；83, attachment base；84, the second connecting rod；85, the second fixed block；86, the second connecting tube；87, the second electricity Machine；88, second packet is bored；89, straight drill bit.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of full-automatic set square drilling machine, including machine Frame 1, control cabinet 2, hopper 3, feeding assembly 4, width adjusting component 5, feeding material component 6, oblique drillstring component 7 and straight drillstring component 8, rack 1 desktop is fixed with control cabinet 2 by screw, offers hopper 3 in the middle part of the desktop of rack 1, the opening of hopper 3 be equipped with into Expect component 4, feeding assembly 4 is by adjustable panel 41, material frame 42, angle bar 43, limit plate 44, press cylinder frame 45, press cylinder 46, fixing clamp 47 and pressure plate 48 form, and the inner wall of frame 42 is expected by the fixed material rack 42 of screw in one end of adjustable panel 41 It is fixed with angle bar 43 by screw, the top of adjustable panel 41 is fixed with limit plate 44 by screw, and the both ends of limit plate 44 are equal It is welded with press cylinder frame 45, the top inner wall of press cylinder frame 45 has been bolted press cylinder 46, press cylinder 46 One end be bolted fixing clamp 47, the inner wall of fixing clamp 47 is fixed with pressure plate 48 by screw, feeding assembly 4 Two sides correspondence is equipped with width adjusting component 5, and width adjusting component 5 is by the first supporting plate 51, the second supporting plate 52, the first sliding panel 53 It is formed with the first screw rod 54, the top of the first supporting plate 51 is socketed with the second supporting plate 52, and one end of the second supporting plate 52 is solid by bolt Surely there is the first sliding panel 53, the other end of the second supporting plate 52 is connected with the first screw rod 54, the inside peace of hopper 3 by screw thread Equipped with feeding material component 6, feeding material component 6 is by feeding pedestal 61, first straight line guide rail 62, the first sliding block 63, the second sliding panel 64, liter Sending down abnormally ascending cylinder 65, elevator 66, lifter plate 67, the second sliding block 68, second straight line guide rail 69, first connecting rod 610, cylinder block 611, material folding cylinder 612, ejection block 613, positioning plate 614, feeding cylinder 615 and cylinder connecting plate 616 form, feeding pedestal 61 top is fixed with first straight line guide rail 62 by screw, and the outside of first straight line guide rail 62 is socketed with the first sliding block 63, and four It is connected with the second sliding panel 64 between the top of a first sliding block 63, has been bolted at the top of the bottom plate of the second sliding panel 64 Lifting cylinder 65, one end of lifting cylinder 65 have been bolted elevator 66, and the side of elevator 66 is fixed by screw There is lifter plate 67, the side of lifter plate 67 is equipped with second straight line guide rail 69, the top weldering of lifter plate 67 by the second sliding block 68 It is connected to first connecting rod 610, the top of first connecting rod 610 is uniformly equipped with cylinder block 611, and the side of cylinder block 611 passes through Screw is fixed with material folding cylinder 612, and the other side of cylinder block 611 is equipped with ejection block 613, and the right of ejection block 613 is provided with The other side of positioning plate 614, feeding pedestal 61 is fixed with feeding cylinder 615 by screw, and one end of feeding cylinder 615 passes through Bolt is fixed with cylinder connecting plate 616, and the top of rack 1 is corresponding to be equipped with oblique drillstring component 7, oblique drillstring component 7 by third supporting plate 71, Second screw rod 72, third screw rod 74, the 5th supporting plate 75, vertical plate 76, the 4th screw rod 77, the 6th supporting plate 78, is fixed the 4th supporting plate 73 Plate 79, the first fixed block 710, the first connecting tube 711, first motor 712, first bore packet 713 and tiltedly drill bit 714 forms, the The side of three supporting plates 71 is connected with the second screw rod 72 by screw thread, and the top of third supporting plate 71 is equipped with the 4th supporting plate 73, The side of 4th supporting plate 73 is connected with third screw rod 74 by screw thread, and the top of the 4th supporting plate 73 is equipped with the 5th supporting plate 75, the top of the 5th supporting plate 75 is fixed with vertical plate 76 by screw, and the top of vertical plate 76 is connected with the 4th spiral shell by screw thread Bar 77, the other side of vertical plate 76 are equipped with the 6th supporting plate 78, and the side of the 6th supporting plate 78 is fixed with fixed plate 79 by screw, Gu The side of fixed board 79 is fixed with the first fixed block 710 by screw, and one end of the first fixed block 710 has been bolted first One end of connecting tube 711, the first connecting tube 711 is fixed with first motor 712, the other end of the first fixed block 710 by screw First brill packet 713 is installed, first one end for boring packet 713 is socketed with oblique drill bit 714, and the top of hopper 3 is provided with straight brill group Part 8, straight drillstring component 8 are connected by directly boring pedestal 81, support column 82, attachment base 83, the second connecting rod 84, the second fixed block 85, second Adapter tube 86, the second motor 87, second bore packet 88 and straight drill bit 89 forms, and the straight inside for boring pedestal 81 is socketed with support column 82, The top of support column 82 is equipped with the second connecting rod 84 by attachment base 83, and it is solid that one end of the second connecting rod 84 is socketed with second Determine block 85, one end of the second fixed block 85 has been bolted the second connecting tube 86, and one end of the second connecting tube 86 passes through spiral shell Nail is fixed with the second motor 87, and the other end of the second fixed block 85 is equipped with the second brill packet 88, and second bores one end socket of packet 88 There is straight drill bit 89, adjusts the width of material, rack 1 and the first supporting plate 51, third supporting plate 71 and straight brill pedestal 81 for convenience Between fixed by screw, one end of one end of the first connecting tube 711 and the second connecting tube 86 extends through the first fixed block 710 and second fixed block 85, and packet 713 is bored with first respectively in one end of the first connecting tube 711 and one end of the second connecting tube 86 And second bore packet 88 between be bolted, realize the feeding of oblique drill bit 714 and straight drill bit 89, the set square drilling machine Four feet be fixed by screws on ground, before processing materials, first unclamp the lock-screw of each component, adjusted by turning screw rod Each component is saved to accurate Working position, the oblique drill bit 714 of the oblique drillstring component 7 of 3 two sides of hopper is respectively aligned to the first station And second station, the straight drill bit 89 of straight drillstring component 8 is directed at 3rd station, then tightens lock-screw locking device, in charging group It is put into material to be processed between the angle bar 43 of part 4, when drilling, boring procedure is controlled by operation control box 2, is realized Processing is full-automatic, high efficiency easy to operate, and material first passes through angle bar 43 and enters hopper 3, while the feeding cylinder of feeding material component 6 615 shrink piston rod drives the second sliding panel 64 mobile by cylinder connecting plate 616, and the second sliding panel 64 passes through first connecting rod 610 drive the material folding cylinder 612 of the first stations, along first straight line guide rail 62 to be processed under the guidance of the first sliding block 63 Material is mobile, and similarly, the material folding cylinder 612 of second station is mobile to the first station, the material folding cylinder 612 to second of 3rd station Station is mobile, and after the material folding cylinder 612 of the first station is moved to below material to be processed, lifting cylinder 65 passes through elevator 66 Lifter plate 67 is pushed to rise, while lifter plate 67 drives material folding cylinder 612 in the second sliding block 68 by first connecting rod 610 Rise under guidance along second straight line guide rail 69, after the completion of vertical motion, material folding cylinder 612 is by pushing ejection block 613 by object Material is withstood on positioning plate 614, to clamp material, similarly, after clamping material, feeding cylinder 615 stretches out piston rod and transports material It is sent to next station, while the material of former 3rd station is released hopper 3 by the positioning plate 614 of 3rd station, material reaches next Material folding cylinder 612 retracts after station, and lifting cylinder 65 resets, while press cylinder 46 drives pressure plate 48 right by fixing clamp 47 Material is fixed, and reduces shake of the material in drilling, solves the problems, such as that drilling is non-type, after material is fixed first station with The oblique drillstring component 7 of second station and straight drillstring component 8 respectively simultaneously drill to the material of the first, second, and third station, Oblique drillstring component 7 bores packet 713 by the driving of first motor 712 first and drives oblique 714 quickly rotation, while the first connecting tube of drill bit 711, which stretch out piston rod, bores the processing that packet 713 pushes oblique drill bit 714 to carry out inclined hole to material, similarly, straight drillstring component by first 8 pairs of materials carry out the processing of straight hole, and press cylinder 46 is shunk after the completion of primary drilling, and pressure plate 48 is retracted, and feeding material component 6 is again Material is transported to next station, the multi-faceted simultaneous processing of multiaxis is realized, improves work efficiency.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of full-automatic set square drilling machine, including rack (1), control cabinet (2), hopper (3), feeding assembly (4), width tune Save component (5), feeding material component (6), oblique drillstring component (7) and straight drillstring component (8), it is characterised in that: the desktop of the rack (1) is logical It crosses screw to be fixed with control cabinet (2), be offered hopper (3) in the middle part of the desktop of the rack (1), the opening of the hopper (3) Be equipped with feeding assembly (4), the feeding assembly (4) by adjustable panel (41), material frame (42), angle bar (43), limit plate (44), Press cylinder frame (45), press cylinder (46), fixing clamp (47) and pressure plate (48) composition, one end of the adjustable panel (41) Fixed material rack (42) by screw, the inner wall of the material frame (42) is fixed with angle bar (43), the adjustable panel by screw (41) top is fixed with limit plate (44) by screw, and the both ends of the limit plate (44) are welded with press cylinder frame (45), the top inner wall of the press cylinder frame (45) has been bolted press cylinder (46), the press cylinder (46) One end be bolted fixing clamp (47), the inner wall of the fixing clamp (47) is fixed with pressure plate (48) by screw, The two sides correspondence of the feeding assembly (4) is equipped with width adjusting component (5), and the width adjusting component (5) is by the first supporting plate (51), the second supporting plate (52), the first sliding panel (53) and the first screw rod (54) composition, the top socket of first supporting plate (51) Have the second supporting plate (52), one end of second supporting plate (52) has been bolted the first sliding panel (53), second support The other end of plate (52) is connected with the first screw rod (54) by screw thread, and the inside of the hopper (3) is equipped with feeding material component (6), the feeding material component (6) is by feeding pedestal (61), first straight line guide rail (62), the first sliding block (63), the second sliding panel (64), lifting cylinder (65), elevator (66), lifter plate (67), the second sliding block (68), second straight line guide rail (69), first connect Extension bar (610), cylinder block (611), material folding cylinder (612), ejection block (613), positioning plate (614), feeding cylinder (615) are gentle Cylinder connecting plate (616) composition, the top of the feeding pedestal (61) is fixed with first straight line guide rail (62) by screw, and described the It is socketed on the outside of one linear guide (62) the first sliding block (63), is connected between the top of four first sliding blocks (63) The bottom plate top of two sliding panels (64), second sliding panel (64) has been bolted lifting cylinder (65), the lifting One end of cylinder (65) has been bolted elevator (66), and the side of the elevator (66) is fixed with lifting by screw The side of plate (67), the lifter plate (67) is equipped with second straight line guide rail (69), the lifter plate by the second sliding block (68) (67) it is welded at the top of first connecting rod (610), the top of the first connecting rod (610) is uniformly equipped with cylinder block (611), the side of the cylinder block (611) is fixed with material folding cylinder (612) by screw, the cylinder block (611) it is another Side is equipped with ejection block (613), and the right of the ejection block (613) is provided with positioning plate (614), the feeding pedestal (61) The other side is fixed with feeding cylinder (615) by screw, and one end of the feeding cylinder (615) has been bolted cylinder company The top correspondence of fishplate bar (616), the rack (1) is equipped with oblique drillstring component (7), and the oblique drillstring component (7) is by third supporting plate (71), the second screw rod (72), the 4th supporting plate (73), third screw rod (74), the 5th supporting plate (75), vertical plate (76), the 4th screw rod (77), the 6th supporting plate (78), fixed plate (79), the first fixed block (710), the first connecting tube (711), first motor (712), One bores packet (713) and oblique drill bit (714) composition, and the side of the third supporting plate (71) is connected with the second spiral shell by screw thread Bar (72) is equipped with the 4th supporting plate (73) at the top of the third supporting plate (71), and the side of the 4th supporting plate (73) passes through spiral shell Line is connected with third screw rod (74), and the 5th supporting plate (75), the 5th support are equipped at the top of the 4th supporting plate (73) The top of plate (75) is fixed with vertical plate (76) by screw, and the top of the vertical plate (76) is connected with the 4th spiral shell by screw thread Bar (77), the other side of the vertical plate (76) are equipped with the 6th supporting plate (78), and the side of the 6th supporting plate (78) passes through screw It is fixed with fixed plate (79), the side of the fixed plate (79) is fixed with the first fixed block (710) by screw, and described first is solid The one end for determining block (710) has been bolted the first connecting tube (711), and one end of first connecting tube (711) passes through spiral shell Nail is fixed with first motor (712), and the other end of first fixed block (710) is equipped with the first brill packet (713), and described first The one end for boring packet (713) is socketed with oblique drill bit (714), is provided with straight drillstring component (8) above the hopper (3), described straight Drillstring component (8) by directly bore pedestal (81), support column (82), attachment base (83), the second connecting rod (84), the second fixed block (85), Second connecting tube (86), the second motor (87), second bore packet (88) and straight drill bit (89) composition, straight brill pedestal (81) Inside is socketed with support column (82), and the top of the support column (82) is equipped with the second connecting rod (84) by attachment base (83), One end of second connecting rod (84) is socketed with the second fixed block (85), and one end of second fixed block (85) passes through bolt It is fixed with the second connecting tube (86), one end of second connecting tube (86) is fixed with the second motor (87) by screw, described The other end of second fixed block (85) is equipped with the second brill packet (88), and described second one end for boring packet (88) is socketed with straight drill bit (89)。

2. a kind of full-automatic set square drilling machine according to claim 1, it is characterised in that: the rack (1) and first Supporting plate (51), third supporting plate (71) are directly bored and are fixed by screw between pedestal (81).

3. a kind of full-automatic set square drilling machine according to claim 1, it is characterised in that: the feeding pedestal (61) is logical Cross the bottom interior wall that spot welding is fixed on hopper (3).

4. a kind of full-automatic set square drilling machine according to claim 1, it is characterised in that: the ejection block (613) One end of side and material folding cylinder (612) is fixed by screw, and the cross bar of ejection block (613) runs through cylinder block (611).

5. a kind of full-automatic set square drilling machine according to claim 1, it is characterised in that: first connecting tube (711) one end of one end and the second connecting tube (86) extends through the first fixed block (710) and the second fixed block (85), and the One end of one end of one connecting tube (711) and the second connecting tube (86) bored respectively with first packet (713) and second bore wrap (88) it Between be bolted.