Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
Referring to fig. 1 to 13, an embodiment of the present application provides an apparatus for aligning a threaded hole and a through hole on a jack support frame body, and aims to solve the problems that in the prior art, in the process of assembling a jack, alignment between hole center lines between a threaded hole on an installation shaft a and a through hole on an installation shaft B requires manual concentric alignment, production and assembly efficiency is low, and the like.
As shown in fig. 13, the upper bracket in this embodiment comprises a1, a2 upper bracket members arranged in a V-shape, and a supporting top seat 170; the lower bracket comprises B1 and B2 lower bracket pieces arranged in a V shape and a supporting base 180; the B1, the B2 lower bracket piece, the A1 and the A2 upper bracket piece are all channel-shaped pieces, an abutting surface is arranged on the B mounting shaft 160 and used for abutting against a bearing, the A1 upper bracket piece 110 and the B1 lower bracket piece 130 are hinged through an A mounting shaft 150, the A2 upper bracket piece 120 and the B2 lower bracket piece 140 are hinged through a B mounting shaft 160, the B posture adjusting unit comprises a B1 adjusting mechanism and a B2 adjusting mechanism, the B1 adjusting mechanism is used for adjusting the orientation of a hole center line of the threaded hole 151, and the B2 adjusting mechanism is used for adjusting the orientation of the hole center line of the through hole 161. The supporting top seat 170 and the supporting base 180 are respectively assembled through the upper positioning hole 210 and the lower positioning hole 220 on the a positioning frame 300, so that the support frame body 100 formed by the a1 upper support piece 110, the a2 upper support piece 120, the B1 lower support piece 130, the B2 lower support piece 140, the supporting top seat 170 and the supporting base 180 is horizontally assembled on the a positioning frame 300 and respectively performs centering work, meanwhile, the hole center line orientation of the threaded hole 151 on the a mounting shaft 150 is adjusted to be coincident with a required direction by adopting a B1 adjusting mechanism, the hole center line orientation of the through hole 161 on the B mounting shaft 160 is adjusted to be coincident with the required direction by adopting a B2 adjusting mechanism, and subsequent assembly processing is facilitated.
As shown in fig. 1 to 13, the technical solution of the embodiment of the present application is an apparatus for aligning a threaded hole and a through hole on a jack support body, and includes an a posture adjustment unit and a B posture adjustment unit for adjusting a posture of the support body 100, the support body 100 includes an upper support portion and a lower support portion, the upper support portion and the lower support portion are assembled and connected through A, B installation shafts, a threaded hole 151 is provided on an a installation shaft 150, a through hole 161 is provided on a B installation shaft 160, and the B posture adjustment unit is used for adjusting hole center lines of the threaded hole 151 and the through hole 161 to be in the same straight line.
The working principle of the embodiment is as follows: firstly, horizontally assembling a support frame body 100 on an A positioning frame 300, assembling a support top seat 170 with an upper positioning hole 210, assembling a support base 180 with a lower positioning hole 220, abutting an A abutting part against and pushing groove walls of an A1 upper support piece 110, a B1 lower support piece 130, an A2 upper support piece 120 and a B2 lower support piece 140, simultaneously clamping an A assembling port 311 on a A, B mounting shaft, abutting and pushing A, B mounting shafts to enable the mounting shafts to approach each other, when an included angle between the A1 upper support piece 110 and the B1 lower support piece 130 is 30-45 degrees, assembling an A spacing seat 410 on an A spacing support 400 into a included angle between the A1 upper support piece 110, an A2 upper support piece 120, the B1 lower support piece 130 and the B2 lower support piece 140, moving towards the support top seat 170 and the support base 180, and fixing the posture of the A1 upper support piece 110, the A2 upper support piece 120, the B1 lower support piece 130 and the B6335 lower support piece 130 and the B2, the distance between the a mounting shaft 150 and the B mounting shaft 160 reaches a preset value, so as to fix the posture of the support frame body 100, the driving assembly drives the B2 positioning element to deflect, so that the planar tube wall on the B2 positioning tube 610 is perpendicular to the hole centerline direction after the through hole 161 and the threaded hole 151 are arranged in a centered manner, the B2 positioning frame 600 drives the B2 positioning tube 610 to approach the shaft end of the B mounting shaft 160, so that the planar tube wall of the B2 positioning tube 610 abuts against the end surface of the B mounting shaft 160, after that, the driving assembly continues to drive the B2 positioning tube 610 to rotate, when the planar tube wall on the B2 positioning tube 610 is arranged corresponding to the abutting surface on the B mounting shaft 160, the B21 spring 620 drives the B2 positioning tube 610 to move, so that the B2 positioning tube 610 is sleeved and clamped with the shaft end of the B mounting shaft 160, and then the two rotate synchronously, and the driving assembly drives the B2 positioning tube 610 to rotate n turns in the whole process, n is a positive integer, and then stopped so that the axial center line direction of the through hole 161 in the B-mounting shaft 160 coincides with a desired direction thereof.
Further, as shown in fig. 1 to 6, the B2 adjusting mechanism in this embodiment includes a B2 positioning frame 600, the B2 positioning frame 600 is movably mounted at least along the axial direction of the B mounting shaft 160, the shaft end of the B mounting shaft 160 extending to the outside of the groove wall of the a2 upper bracket piece 120 and the B2 lower bracket piece 140 is referred to as a B shaft end, a B2 positioning tube 610 inserted into the B shaft end is provided on the B2 positioning frame 600, the B2 positioning tube 610 is rotatably mounted on the B2 positioning frame 600, and the B2 positioning tube 610 is rotated to adjust the orientation of the hole center line of the through hole 161 on the B mounting shaft 160.
The working principle of the embodiment is as follows: after the posture of the support frame body 100 is fixed, the driving assembly arranged on the B2 mounting rack drives the B2 positioning tube 610 to deflect first, so that the planar tube wall on the B2 positioning tube 610 is perpendicular to the hole centerline direction after the through hole 161 and the threaded hole 151 are arranged in a centered manner, after completion, the B2 positioning tube 610 stops rotating, at this time, the B2 positioning frame 600 drives the B2 positioning tube 610 to be downward close to the end face of the B shaft end of the B mounting shaft 160, then the driving assembly continues to drive the B2 to rotate, in the rotating process, when the planar tube wall on the B2 positioning tube 610 and the abutting face on the B mounting shaft 160 are arranged correspondingly, the B21 spring 620 arranged in the B2 positioning tube 610 drives the B2 positioning tube 610 to be sleeved and clamped with the B mounting shaft 160 through elastic acting force, the two are continuously rotated in a synchronized manner after being sleeved and clamped, and the driving assembly stops rotating after being set for a specified number of turns, that the hole centerline of the through hole 161 on the B160 can be adjusted to coincide with, upon completion, the B2 spacer 600 brings the B2 positioning tube 610 apart from the B mounting shaft 160.
Preferably, as shown in fig. 11, in order to enable the B2 positioning tube 610 to be clamped with the shaft end sleeve of the B mounting shaft 160, the lumen section of the B2 positioning tube 610 in the above scheme is consistent with the section shape of the shaft end of the B, the B2 positioning tube 610 is floatingly mounted along the tube length direction thereof by the B21 spring 620, and the B21 spring 620 drives the B2 positioning tube 610 to move to the side close to the B mounting shaft 160.
In order to enable the B2 positioning tube 610 to be clamped with the shaft end sleeve of the B mounting shaft 160, another embodiment may also be adopted, the cross section of the tube cavity of the B2 positioning tube 610 is circular, a B2 positioning block is arranged in the B2 positioning tube 610, the B2 positioning block is installed in a floating manner through a B22 spring, the B22 spring drives the B2 positioning block to move towards the side close to the B mounting shaft 160, a B2 positioning surface is arranged on the B2 positioning block, when the B2 positioning surface and the abutting surface are arranged oppositely, a rotation limit is formed between the two positioning surfaces, and the inner diameter of the B2 positioning tube 610 is matched with the outer diameter of the B mounting shaft 160.
Further, as shown in fig. 1 to 6, the posture a adjusting unit in this embodiment includes a positioning frame 300 and an a adjusting mechanism for adjusting the posture of the support frame body 100, the support frame body 100 is horizontally assembled on the positioning frame 300 a, the positioning frame 300 a is provided with the positioning mechanism a, the middle part of the positioning frame 300 a is provided with a gap part for assembling the B1 adjusting mechanism, and the adjusting mechanism a includes an a abutting assembly for abutting against A, B mounting shafts 160 to be close to each other and an a limiting assembly for limiting the distance between A, B mounting shafts 160.
The working principle of the embodiment is as follows: the support frame body 100 is horizontally assembled on an A positioning frame 300, the support top seat 170 is assembled with an upper positioning hole 210, the support base 180 is assembled with a lower positioning hole 220, A abutting parts are oppositely arranged on the left and right of the horizontally assembled support frame body 100, the A abutting parts move towards the groove walls of the A1 upper support piece 110, the B1 lower support piece 130, the A2 upper support piece 120 and the B2 lower support piece 140 through the A abutting parts, so that two clamping walls of the V-shaped A limiting clamping mouth 321 abut against the groove walls of the A1 upper support piece 110, the B1 lower support piece 130, the A2 upper support piece 120 and the B2 lower support piece 140, meanwhile, the A assembling mouth 311 on the A abutting head 310 pushes on the A mounting shaft 150 and the B mounting shaft 160, the distance between the B A, B mounting shaft 160 is adjusted, so that the A1 upper support piece 110 and the B1, the A2 upper support piece 120 and the B2 lower support piece 140 form an included angle of 30-45 degrees, and the A assembling mouth retracts, meanwhile, the A limit bracket 400 drives the A limit seat 410 to be arranged between the A1 upper bracket piece 110 and the B1 lower bracket piece 130 and at an included angle between the A2 upper bracket piece 120 and the B2 lower bracket piece 140, and simultaneously the A limit bracket 400 drives the A limit seat 410 between the A1 upper bracket piece 110 and the B1 lower bracket piece 130 to move towards the supporting top seat 170 and the A limit seat 410 between the A2 upper bracket piece 120 and the B2 lower bracket piece 140 to move towards the supporting base seat 180, so that the posture of the supporting frame body 100 is fixed, and the subsequent centering adjustment of the threaded hole 151 of the A mounting shaft 150 and the through hole 161 of the B mounting shaft 160 is facilitated.
Further, as shown in fig. 8, the a abutting and pushing assembly in this embodiment includes a left and a right oppositely disposed a abutting portion, the a abutting portion includes an a abutting and pushing head 310, an a assembling opening 311 is provided on the a abutting and pushing head 310, a size of the a assembling opening 311 is consistent with an outer diameter of the a mounting shaft 150 or the B mounting shaft 160, the a abutting and pushing head 310 is movably mounted on the a abutting and pushing member 320, a V-shaped a limiting clamping opening 321 is provided on the a abutting and pushing member 320, two clamping walls forming the a limiting clamping opening 321 abut and position groove bottoms of the bracket members 110 and 130 on the a1 and the B1, and the a abutting portion is movably mounted along a direction of a distance between the mounting shafts A, B. The slot bottoms of the a1 upper bracket piece 110 and the B1 lower bracket piece 130 are positioned against each other by the two clamping walls of the a retaining jaw 321, and the a mounting shaft 150 and the B mounting shaft 160 are adjusted by pushing A, B through the a fitting opening 311.
Further, as shown in fig. 8, the a-position limiting assembly in this embodiment includes a front-and-back-oppositely-arranged a-position limiting seat 410, the a-position limiting seat 410 is movably installed along a direction x, the direction x is perpendicular to a spacing direction between installation shafts A, B, the a-position limiting seat 410 is triangular or isosceles trapezoid, an a-guide roller 411 is installed on a side wall of the a-position limiting seat 410 corresponding to the a1, a2 upper bracket piece or the B1, B2 lower bracket piece, and the a-position limiting seat 410 is moved to limit an included angle between the a1, a2 upper bracket piece or the B1, B2 lower bracket piece. The side walls of the a limit seat 410 corresponding to the a1 and a2 upper bracket pieces or the B1 and B2 lower bracket pieces rotate through the a guide roller 411, so that the a limit seat 410 can move to a position close to the supporting top seat 170 and the supporting base 180 to fix the posture of the supporting frame body 100.
Further, as shown in fig. 8, the a-position limiting component in this embodiment is movably mounted on the a-position limiting bracket 400 along the X direction, and the a-position limiting bracket 400 is movably mounted on the rack 200 along the groove width direction of the lower bracket pieces B1 and B2. The rack 200 is provided with an a transmission assembly for driving the a limit bracket 400 to move along the groove width direction of the B1 and B2 lower bracket pieces, the a limit bracket 400 is provided with a B transmission assembly for driving the a limit seat 410 to move, the a limit seat 410 is driven by the a transmission assembly and the B transmission assembly to be assembled into the support frame body 100 and move to the positions close to the support top seat 170 and the support base seat 180, and the posture of the support frame body 100 is fixed.
Preferably, as shown in fig. 1 to 8, the a positioning mechanism in the above solution includes an upper positioning hole 210 and a lower positioning hole 220 respectively assembled with the supporting top seat 170 and the supporting base seat 180, and a1 and a2 positioning surfaces disposed between the upper and lower positioning holes, wherein the a1 and the a2 positioning surfaces are arranged in a step-like manner and are perpendicular to the A, B mounting shaft. The supporting top seat 170 and the supporting base seat 180 are respectively assembled through the upper positioning hole 210 and the lower positioning hole 220, and the supporting frame body 100 is supported on the A positioning frame 300 through the A1 and A2 positioning surfaces.
Preferably, as shown in fig. 1 to 8, in order to enable the B2 positioning tube 610 to rotate on the B2 positioning frame 600, a driving assembly for driving the B2 positioning tube 610 to rotate is arranged on the B2 positioning frame 600.
As shown in fig. 7 to 8, in order to align the threaded hole 151 on the a mounting shaft 150, the present embodiment further includes a mechanism for aligning the threaded hole on the support frame body, including a B1 adjusting and positioning frame 500, a B1 adjusting and positioning frame 500 movably mounted along the axial direction and the radial direction of the a mounting shaft 150, a B1 adjusting and positioning frame 500 connected to the B1 positioning and adjusting portion, a B1 adjusting and positioning frame 500 provided with a B1 positioning column 580, a B1 positioning column 580 movably mounted on the B1 positioning and positioning frame mounting portion along the length direction thereof, a B1 positioning frame mounting portion movably mounted on the B1 adjusting and positioning frame 500, a B1 positioning frame mounting portion connected to the B1 positioning and hole adjusting portion, a B1 positioning column 580 connected to the B1 positioning and positioning hole adjusting portion, a B1 positioning adjusting and adjusting portion adjusting the posture of the B1 adjusting and making the B1 positioning column 580 arranged along the radial direction of the a mounting shaft 150, and a1 adjusting portion adjusting and adjusting the B1 rotating around the circumferential direction of the a mounting shaft 580, the B1 hole-fixing adjusting part adjusts the partial shaft of the B1 hole-fixing column 580 to extend into the threaded hole 151 when the B1 hole-fixing column 580 is arranged corresponding to the threaded hole 151.
The working principle of the embodiment is as follows: after the posture of the support frame body 100 is fixed by the a pushing component and the a limiting component, the B1 adjusts the positioning frame 500 to move along the axial direction and the radial direction of the a mounting shaft 150, when moving along the axial direction of the a mounting shaft 150, two ends of the B1 guide 560 extend into the groove cavities of the a1 upper bracket piece 110 and the B1 lower bracket piece 130, when moving along the radial direction of the a mounting shaft 150, the end of the B1 positioning column 580 abuts against the a mounting shaft 150, the B1 positioning spring 581 between the B1 positioning column 580 and the B1 mounting tube 570 is in a compressed state, meanwhile, the B1 inner tube 592 is assembled with the shaft end of the a mounting shaft 150 in an inserting manner, at this time, the B1 stepping motor 510 drives one end of the B1 rotating piece 520 to rotate by taking the axial lead of the a mounting shaft 150 as the center, so that the B1 posture adjusting gear 530 at the other end of the B1 rotating piece 520 rotates around the a mounting shaft 150, and the B1 posture adjusting gear 530 is meshed with the B1, when the B1 posture adjusting gear 530 rotates around the mounting shaft 150, the B1 posture adjusting rack 540 rotates to drive the B1 crankshaft 550 fixedly mounted with the B1 posture adjusting gear 530 to rotate around the a mounting shaft 150, the B1 crankshaft 550 rotates, when the B1 crankshaft 550 rotates around the a mounting shaft 150, the arc-shaped guide groove at the other end of the B1 crankshaft 550 moves on the B1 guide rail 560 to enable the B1 positioning column 580 to rotate around the a mounting shaft 150 when abutting against the a mounting shaft 150, when the B1 positioning column 580 coincides with the hole center line of the threaded hole 151 on the a mounting shaft 150, the B1 positioning spring 581 pushes the B1 positioning column 580 of the pushing part to insert into the threaded hole 151, the B1 positioning column 580 continues to rotate to drive the a mounting shaft 150 to rotate to adjust the hole center line of the threaded hole 151 to a preset state, when the B1 crankshaft 550 rotates, the bending part on the B1 crankshaft 1 crankshaft 550 rotates around the a mounting shaft 150 to adjust the hole center line of the upper bracket 110 a mounting shaft 64 on the B1, The groove walls of the lower bracket piece 130 of the B1 are avoided, the initial center line of the B1 hole-fixing column 580 coincides with the direction a, the direction a is the hole center line direction of the threaded hole 151 after the through hole 161 and the threaded hole 151 are arranged in a centered manner, the B1 hole-fixing column 580 moves to the nearest position close to one of the A1 upper bracket piece 110 and the B1 lower bracket piece 130, then moves to the nearest position close to the other, then moves to the initial position and returns to the initial position, after the hole center line of the threaded hole 151 in the A mounting shaft 150 is adjusted to a preset state, the B1 adjusts the positioning frame 500 to drive the B1 hole-fixing column 580 and the B1 guide rail 560 to be separated from the groove cavities of the A150 and the A1 upper bracket piece 110 and the B1 lower bracket piece 130, and convenience is provided for subsequent assembly.
Further, as shown in fig. 7 to 9, the B1 hole-positioning adjusting part in the present embodiment includes a B1 hole-positioning spring 581 disposed on the B1 hole-positioning column 580, and the B1 hole-positioning spring 581 urges the B1 hole-positioning column 580 to move toward the center of the a mounting shaft 150. The B1 centering column 580 is slidably fitted in the B1 mounting tube 570, one end of the B1 mounting tube 570 far away from the a mounting shaft 150 is provided with a B1 limiting piece, a B1 centering spring 581 is arranged between the B1 limiting piece and the B1 centering column 580, when the B1 centering column 580 moves close to the center of the a mounting shaft 150 and abuts against the a mounting shaft 150, the B1 centering spring 581 is in a compressed state, when the B1 centering column 580 rotates to coincide with the hole center line of the threaded hole 151 in the a mounting shaft 150, the B1 centering column 580 of the B1 centering spring 581 driving part is inserted into the threaded hole 151, and when the B1 centering column 580 rotates, the a mounting shaft 150 is driven to rotate synchronously, so that the hole center line of the threaded hole 151 is conveniently adjusted to the preset direction.
Further, as shown in fig. 7 to 9, the B1 adjusting and positioning frame 500 in this embodiment is provided with a B1 guide rail 560 with an arc-shaped guide track, two ends of the B1 guide rail 560 extend into the groove cavities of the a1 upper bracket piece 110 and the B1 lower bracket piece 130, the B1 hole-finding mounting part is slidably or rollably mounted on the B1 guide rail 560, and the arc center of the guide track is consistent with the axis center of the a mounting shaft 150. The arc center of the B1 guide 560 coincides with the axis center of the a mounting shaft 150, allowing the B1 centering post 580 to rotate about the a mounting shaft 150 as the B1 centering post 580 moves on the B1 guide 560.
Further, as shown in fig. 7 to 9, the B1 hole finding adjusting part in this embodiment includes a B1 hole finding driving element, a B1 hole finding mounting part has a B1 hole finding walking element, the B1 hole finding driving element and the B1 hole finding walking element are arranged at intervals along the axial direction of the a mounting shaft 150, the B1 hole finding driving element is located at the outer side of the support frame body 100, the B1 hole finding walking element is located at the area between the two groove walls of the support frame element 110 on the a1, the B1 hole finding driving element and the B1 hole finding walking element are concentrically arranged and connected through a B1 crankshaft 550, and a curved portion on the B1 crankshaft 550 is used for avoiding the groove walls of the support frame element 110 on the a1 and the support frame element 130 under the B1. The B1 hole finding driving element comprises a B1 stepping motor 510 arranged on a B1 adjusting positioning element, and when the B1 stepping motor 510 rotates, the B1 crankshaft 550 is driven to rotate around the a mounting shaft 150 and rotate at the same time, so that when the B1 hole finding walking element moves in the groove cavity of the a1 upper bracket element 110 and the B1 lower bracket element 130, the groove walls of the a1 upper bracket element 110 and the B1 lower bracket element 130 are avoided through bending parts.
Preferably, as shown in fig. 7 to 9, in the above solution, one end of the B1 crankshaft 550 is fixedly mounted with a B1 posture adjustment gear 530, the other end of the B1 crankshaft 550 is rotatably assembled with the B1 hole-finding walking member, an arc-shaped B1 posture adjustment rack 540 is disposed beside the B1 posture adjustment gear 530, the B1 posture adjustment rack 540 is fixedly disposed and has a center located on the center line of the a mounting shaft 150, the B1 posture adjustment gear 530 and the B1 posture adjustment rack 540 are arranged in a meshed manner, the B1 posture adjustment gear 530 is eccentrically disposed outside the B1 rotating member 520, the B1 rotating member 520 is rotatably mounted on the B1 adjustment positioning frame 500 and the rotating axis of the B1 rotating member 520 coincides with the center line of the a mounting shaft 150, and the end of the B1 crankshaft 550 is rotatably assembled with the B1 rotating member 520.
The working principle of the embodiment is as follows: the arc center of the arc-shaped B1 posture adjusting rack 540 coincides with the center of the A mounting shaft 150, the B1 posture adjusting gear 530 is meshed with the B1 posture adjusting rack 540, the output shaft of the B1 stepping motor 510 is fixedly connected with one end of the B1 rotating member 520, the B1 posture adjusting gear 530 is in transmission connection with the other end of the B1 rotating member 520, when the B1 stepping motor 510 works, one end of the B1 rotating member 520 is driven to rotate by taking the axial lead of the A mounting shaft 150 as the center, so that the B1 posture adjusting gear 530 at the other end of the B1 rotating member 520 rotates around the A mounting shaft 150, the B1 posture adjusting gear 530 is meshed with the B1 posture adjusting rack 540, when the B1 posture adjusting gear 530 rotates around the A mounting shaft 150, the B1 posture adjusting rack 540 also rotates, and the B1 crankshaft 550 fixedly mounted with the B1 posture adjusting gear 530 is driven to rotate around the A mounting shaft 150, and the B1 crankshaft 550 rotates.
Preferably, as shown in fig. 7 to 9, in the above solution, an arc-shaped guide groove is provided on a side surface of the B1 hole-finding walking member away from the B1 posture adjustment gear 530, the B1 guide rail 560 includes a B1 guide rail 560 body, the B1 guide rail 560 body is a plate body, an arc-shaped B1 guide rail bar is provided on the B1 guide rail 560 body, and the arc-shaped guide groove and the B1 guide rail bar form a sliding guide fit. The arc guide slot slides on the B1 guide 560 so that the B1 crankshaft 550 can drive the B1 centering post 580 to rotate about the axis of the a-mount shaft 150.
Preferably, as shown in fig. 9, in order to enable the B1 hole-fixing column 580 to be conveniently inserted into and matched with the threaded hole 151, in the above solution, a B1 mounting tube 570 is arranged on the B1 hole-finding runner, the B1 mounting tube 570 is arranged along the radial direction of the a mounting shaft 150, a B1 limiting piece is arranged at one end of the B1 mounting tube 570 away from the a mounting shaft 150, the B1 hole-fixing column 580 is slidably fitted in the B1 mounting tube 570, and a B1 hole-fixing spring 581 is arranged between the B1 limiting piece and the B1 hole-fixing column 580.
Further, as shown in fig. 10, the axial end of the a mounting shaft 150 in this embodiment extending to the outside of the slot wall of the a1 upper bracket piece 110, B1 lower bracket piece 130 is designated as the a axial end, and the B1 adjusting spacer 500 is further provided with a B1 positioning tube 590 which is inserted into the a axial end. The B1 positioning tube 590 consists of a B1 inner tube 592 and a B1 outer tube 591, the B1 inner tube 592 and the B1 outer tube 591 are rotatably assembled, and when the B1 adjusting positioning frame 500 moves along the axial direction of the A mounting shaft 150, the B1 inner tube 592 is in plug-in assembly with the shaft end of the A mounting shaft 150, so that the arc center of the B1 guide rail 560 and the arc center of the B1 adjusting rack 540 can coincide with the axial line of the A mounting shaft 150.
Preferably, as shown in fig. 9, the end of the B1 hole-defining post 580 near the a-mounting shaft 150 in the above solution is fitted with a ball bearing 582. The B1 centering post 580 is effectively caused to rotate about the a-mount shaft 150 after abutting the a-mount shaft 150 by the ball 582.
Further, as shown in fig. 10, in order to enable the B1 hole positioning column 580 to rotate around the a mounting shaft 150, the B1 hole finding driving member in this embodiment includes a B1 stepping motor 510 disposed on the B1 adjusting positioning frame 500, an output shaft of the B1 stepping motor 510 is in transmission connection with the B1 posture adjusting gear 530, the B1 posture adjusting gear 530 is fixedly assembled with the B1 rotating member 520, and the B1 posture adjusting gear 530 is in meshing connection with the B1 posture adjusting rack 540.
Preferably, as shown in fig. 10, in the above solution, the B1 positioning tube 590 is composed of a B1 inner tube 592 and a B1 outer tube 591, the B1 inner tube 592 and the B1 outer tube 591 are rotatably assembled, and a protective layer is arranged on the inner wall of the B1 inner tube 592. After the inner tube 592 of the B1 is inserted into and assembled with the shaft end of the a mounting shaft 150, the B1 transmission motor drives the outer tube 591 of the B1 to rotate, and the inner tube 592 of the B1 and the outer tube 591 of the B1 are assembled in a rotating manner, so that the B1 hole positioning column 580 can rotate around the a mounting shaft 150.
The embodiment also includes a method for aligning the threaded holes for automobile production and assembly, the B1 positioning column 580 is adjusted to move to the inner side of the support frame body 100, so that the center line of the B1 positioning column 580 is located on a plane a and arranged along the radial direction of the a installation shaft 150, the plane a is the plane where the center line of the a installation shaft 150 and the direction a are located, the direction a is the hole center line direction of the threaded hole 151 after the through hole 161 and the threaded hole 151 are arranged in a centering manner, the B1 positioning column 580 is adjusted to rotate around the center line of the a installation shaft 150, when the B1 positioning column 580 coincides with the hole center line of the threaded hole 151, a partial column body of the B1 positioning column 580 is adjusted to be inserted into the threaded hole 151, the B1 positioning column 580 is adjusted to rotate, so as to drive the a installation shaft 150 to rotate to adjust the hole center line of the threaded hole 151 to a preset state, and then the B1 positioning column 580 is pulled out of the threaded hole 151.
When the B1 positioning column 580 rotates around the center line of the a mounting shaft 150 by adjusting the partial column body of the B1 positioning column 580 to be inserted into the threaded hole 151 by using the B1 positioning spring 581, the end of the B1 positioning column 580 abuts against the outer column surface of the a mounting shaft 150, so that the B1 positioning spring 581 is in a compressed state.
The ball 582 is placed to roll against the outer cylindrical surface of the a-mount shaft 150 by providing a ball bearing at the end of the B1 centering post 580.
By arranging the B1 guide rail 560, the B1 guide rail 560 is provided with an arc-shaped guide track, the center of the guide track is consistent with the center line of the A installation shaft 150, the B1 hole positioning column 580 is movably installed on the B1 hole positioning installation part along the radial direction of the A installation shaft 150, and the B1 hole positioning installation part is adjusted to move so as to adjust the B1 hole positioning column 580 to rotate around the center line of the A installation shaft 150.
Two ends of the guide track extend into the groove cavities of the A1 upper bracket piece 110 and the B1 lower bracket piece 130, the B1 hole-finding mounting part is adjusted to move in an arc shape by the B1 hole-finding adjusting part, the B1 hole-finding adjusting part is arranged on the outer side of the A1 upper bracket piece 110 and the B1 lower bracket piece 130, the B1 hole-finding adjusting part and the B1 hole-finding mounting part are connected through the hole-finding connecting piece, corresponding avoidance parts are arranged on the hole-finding connecting piece, and the postures of the hole-finding connecting piece are adjusted to enable the avoidance parts on the hole-finding connecting piece to respectively avoid the groove walls of the A1 upper bracket piece 110 and the B1 lower bracket piece 130 while the B1 hole-finding mounting part is adjusted to move.
The initial centerline of the B1 centering post 580 coincides with direction a, and the B1 centering post 580 is adjusted to move proximally adjacent to one of the a1 upper bracket piece 110, the B1 lower bracket piece 130, then toward the other and move proximally, then move toward the initial position and return to the initial position.
A B1 hole finding adjusting part is formed by a B1 rotating piece 520, the B1 rotating piece 520 is rotatably installed around the center line of an A installation shaft 150, a B1 crankshaft 550 is used for forming a hole finding connecting piece, one end of the B1 crankshaft 550 is rotatably assembled with a B1 hole finding installation part, the other end of the B1 crankshaft 550 is rotatably assembled with the B1 rotating piece 520, a self-rotation adjusting piece arranged on the B1 crankshaft 550 is used for adjusting the B1 crankshaft 550 to rotate, and a bent part on the B1 crankshaft 550 is used for avoiding the groove walls of the A1 upper bracket piece 110 and the B1 lower bracket piece 130.
The B1 posture adjusting gear 530 fixedly mounted on the B1 crankshaft 550, an arc-shaped B1 hole fixing rack arranged on the outer side of the B1 posture adjusting gear 530 and the B1 posture adjusting gear 530 and the B1 hole fixing rack are arranged in a meshed mode, and therefore the B1 crankshaft 550 is adjusted to rotate when the B1 hole finding mounting portion is moved.
A B1 posture adjusting gear 530 which is concentric with the A mounting shaft 150 is assembled on the B1 rotating member 520, the B1 posture adjusting gear 530 is in transmission connection with a power source, the B1 posture adjusting gear 530 is meshed with the B1 posture adjusting rack 540, and the B1 hole finding mounting part is adjusted to move by rotating the B1 posture adjusting gear 530.
The B1 centering column 580, the B1 hole finding installation part and the B1 hole finding adjusting part are all installed on a B1 centering frame, the B1 centering frame is movably installed on the machine frame 200 along the central line direction of the A installation shaft 150 and the radial direction of the A installation, and the B1 positioning adjusting mechanism adjusts the posture of the B1 positioning frame so that the central line of the B1 centering column 580 is located on the plane a and is arranged along the radial direction of the A installation shaft 150.
The B1 positioning tube 590 is inserted into the shaft end of the a mounting shaft 150 such that one end of the B1 rotating member 520 coincides with the axis of the a mounting shaft 150.
The embodiment of the application further comprises a centering and aligning method for the threaded hole and the through hole in the jack support body, wherein the method comprises the steps of adjusting the posture of the support body 100, adjusting the posture of the support body 100 to a preset state and fixing the preset state, adjusting A, B to rotate the installation shaft, and arranging the threaded hole 151 and the through hole 161 in the installation shaft A, B in a centering manner.
Adopt A locating rack 300 to support frame body 100 for support footstock 170 and support base 180 fall into the upper and lower locating hole on A locating rack 300 respectively and fix, adopt A to support the portion of pushing and support A, B installation axle and be close to each other, when the interval between the installation axle of A, B reaches the default, fix the gesture of support frame body 100.
A. When the distance between the installation shafts B reaches a preset value, the A pushing heads 310 forming the A pushing parts retract and return, meanwhile, the A limiting seats 410 are respectively installed in the support frame body 100, the two A limiting seats 410 are adjusted to respectively move towards the positions close to the supporting top seat 170 and the supporting base 180, and the posture of the support frame body 100 is fixed through the two A limiting seats 410 and the two A pushing pieces 320.
The B1 centering column 580 is inserted into the threaded hole 151 from the inner side of the support frame body 100 for centering adjustment.
Centering adjustment of the through bore 161 is accomplished using the B2 positioning tube 610 to position the abutment surface on the B-shaft end of the B mounting axle 160.
The cross section shape of a tube cavity of a B2 positioning tube 610 is set to be consistent with the cross section shape of a B shaft end, the B2 positioning tube 610 is installed in a floating mode through a B21 spring 620, the plane tube wall on the B2 positioning tube 610 is initially adjusted to be arranged perpendicular to the direction a, then the B2 positioning tube 610 is rotated around a tube core of the B2 positioning tube 610, when the plane tube wall on the B2 positioning tube 610 and the abutting surface on the B installation shaft 160 are correspondingly arranged, the B21 spring 620 drives the B2 positioning tube 610 to move so that the B2 positioning tube 610 is in sleeve clamping connection with the B shaft end, then the B2 positioning tube 610 and the B shaft end are synchronously rotated continuously, the whole process is adjusted and controlled to rotate n turns of the B2 positioning tube 610, n is a positive integer, and then the rotation is stopped, and the direction a is the hole center line direction after the through holes 161 and the threaded holes 151 are arranged on the center.
Setting the tube cavity of the B2 positioning tube 610 to be circular, setting a B2 positioning block which is floatingly installed through a B22 spring in the B2 positioning tube 610, wherein the B2 positioning block is provided with a B2 positioning surface, the shape of the tube cavity section of the B2 positioning tube 610 minus the section of the B2 positioning block is consistent with the section shape of the shaft end of the B shaft, initially adjusting the B2 positioning surface on the B2 positioning block to be vertical to the direction a, sleeving the B2 positioning tube 610 on the shaft end of the B2, the B2 positioning tube 610 is then rotated about the core of the B2 positioning tube 610, and, when the B2 positioning surface and the abutment surface on the B-mounting shaft 160 are correspondingly disposed, the B22 spring drives the B2 positioning block to move so that the B2 positioning tube 610 is locked and connected with the B shaft end, then the two synchronously rotate continuously, the whole process regulates and controls the B2 positioning tube 610 to rotate for n turns, n is a positive integer, then, the process is stopped, and the direction a is a hole center line direction after the through hole 161 and the screw hole 151 are arranged in a centered manner.
The shaft A, B is pushed to approach each other by providing a corresponding bayonet on the a pusher 310 to engage with the mounting shaft 160 of A, B.
A. After the distance between the mounting shafts B is adjusted to a preset distance, the included angle between the upper bracket piece 110 of A1 and the lower bracket piece 130 of B1 is 30-45 degrees.
The support frame body 100 is horizontally and horizontally placed on the A positioning frame 300 to align the threaded hole 151 and the through hole 161.
The B2 positioning tube 610 is driven to rotate by a driving assembly arranged on the B2 positioning frame 600.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.