CN104002739B - A kind of vehicle-mounted lifting bar multipoint positioning mechanism - Google Patents
A kind of vehicle-mounted lifting bar multipoint positioning mechanism Download PDFInfo
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- CN104002739B CN104002739B CN201410215977.5A CN201410215977A CN104002739B CN 104002739 B CN104002739 B CN 104002739B CN 201410215977 A CN201410215977 A CN 201410215977A CN 104002739 B CN104002739 B CN 104002739B
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Abstract
The invention provides a kind of vehicle-mounted lifting bar multipoint positioning mechanism, comprise the second support, sleeve, sliding bar, lock assembly, the first support, base and rotating table, wherein, the second support, sleeve, sliding bar, lock assembly and the first support are used for one end of vehicle-mounted lifting bar to be connected to vehicle roof; Base and rotating table are used for lifting bar to be connected on vehicle chassis.By the adjustment position location of rotating table on base, simultaneously, by lifting bar fixed end being fixedly connected with on a spinstand, being fixedly connected with between lifting bar free end with the first support, the first support and being rotatably connected between sliding bar, being slidably connected between sleeve with sliding bar, being rotatably connected between sleeve and the second support, the adjustment of relative position between lifting bar and vehicle can be realized, thus realize the multipoint positioning installation of lifting bar on vehicle, improve the convenience that lifting bar uses.
Description
Technical field
The invention belongs to location structure technical field, particularly, relate to a kind of vehicle-mounted lifting bar multipoint positioning mechanism, be particularly useful for lifting bar installing and using on miniature cross-country car.
Background technology
Along with the fast development of China's economic society, the application of special vehicle also increases sharply, and under the overall background of construction information society, communication truck obtains unprecedented opportunity to develop.Equipment on communication truck is of all kinds, of a great variety, and a lot of equipment needs a segment distance above ground level just can better give play to the optimum performance of equipment.As the mechanical device that can complete communication facilities elevating function, the application of lifting bar on communication truck is quite general.
At present, lifting bar on vehicle more adopts fixed type mounting means, that is, the locus of lifting bar can not arbitrarily convert after fixing again.For big-and-middle-sized special vehicle, because it has larger installing space, be easy to meet to the requirement on lifting bar installing space, substantially not by the restriction of installing space.Review miniature cross-country car; its installing space is limited; obstacle in various degree often can be run into when arranging the position of lifting bar; the lifting bar of miniature cross-country car adopts fixed installation mode usually, and installation site is unique, and namely lifting bar installation rear space position is immutable; if lifting bar is fixedly mounted on vehicle rear; then can hinder the unlatching of tail gate, and if lifting bar is fixedly mounted on vehicular sideview, the unlatching of respective side car door can be hindered again.So need constantly to explore new installation form, to adapt to the application of lifting bar on dilly.
Summary of the invention
The technical problem to be solved in the present invention is: for the deficiencies in the prior art, provides a kind of vehicle-mounted lifting bar multipoint positioning mechanism, to solve the installation of lifting bar on the limited space carriers such as miniature cross-country car.Compared with conventional fixed-type mounting means, this mechanism can realize the location of lifting bar multiple node in vehicle space, can convert the position of lifting bar as required.
The technical solution used in the present invention comprises:
A kind of vehicle-mounted lifting bar multipoint positioning mechanism, for vehicle-mounted lifting bar is fixed to vehicle, it is characterized in that, comprising: the second support, sleeve, sliding bar, lock assembly, the first support, base and rotating table, wherein, described first support is fixed to the outer peripheral face of vehicle-mounted lifting bar; The first end of described sliding bar is connected to described first support rotationally, second end of described sliding bar is set in the inner chamber of described sleeve through the opening of the first end of described sleeve slidably, and the second end of described sleeve is connected to described second support rotationally; Described second support is fixed to the top of vehicle; Described lock assembly carries out the locking and unlocking to described sliding bar and described sleeve, makes described sliding bar to slide in the inner chamber of described sleeve or to be locked in the inner chamber of described sleeve; The fixed end of vehicle-mounted lifting bar is fixed on described rotating table, and described rotating table is fixed to the chassis of vehicle by described base; Described base is fixed to the chassis of vehicle, and described base has multiple position location, and described rotating table can be fixed on the arbitrary position location place in the plurality of position location on described base.
Preferably, described lock assembly comprises slide block and knob; The wall of described sleeve is provided with the first knock hole; And the wall of described sliding bar is provided with bar-shaped trough accordingly, and wherein, described slide block is placed in the inner chamber of described sliding bar slidably, the mating shapes of the exterior contour of described slide block and the inner chamber of described sliding bar; And the centre of described slide block is provided with the first tapped bore; Described knob comprises knob end and is connected to the thread rod of described knob end, and when installed, described thread rod is through the first knock hole on described sleeve and the bar-shaped trough on described sliding bar and the first tapped bore screw thread fit on described slide block; And, when described thread rod and described first tapped bore be in tighten mated condition time, the knob end of described knob compresses the outer wall of described sleeve downwards, and described slide block upwards compresses the inwall of described sliding bar, described sleeve and described sliding bar is locked together thus; And when being in easy fit state between described thread rod and described first tapped bore, described knob can drive described slide block to move in the inner chamber of described sliding bar along the bar-shaped trough on described sliding bar under external force.
Preferably, the multiple position locations on described base are multiple 3rd knock holees be arranged on base, and each 3rd knock hole has thread segment; Described rotating table comprises platform body, and the fixed end screw thread of vehicle-mounted lifting bar is fixed on the first side of described platform body; Described platform body is provided with the second knock hole; Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises locating dowel pin, described locating dowel pin is provided with the threaded portion coordinated with the thread segment of the 3rd knock hole on described base, the threaded portion of described locating dowel pin can be stretched into through the second knock hole on described platform body in described 3rd knock hole and to coordinate with the thread segment of described 3rd knock hole, is fixed on by described rotating table thus on the end face of described base.
Preferably, the middle part of described base is provided with through hole, the two ends of described through hole are respectively arranged with the first groove and the second groove, described first groove, described through hole and described second groove are communicated with successively, and run through end face and the bottom surface of described base, and described first groove is identical with the diameter of the second groove and be greater than the diameter of described through hole; And be provided with bearing separately in described first groove and the second groove; Described base is provided with three the 3rd knock holees, these three the 3rd knock holees are evenly arranged along the periphery of described base; Described rotating table comprises the outward extending platform rotating shaft of the second lateral vertical from described platform body, and described second side is relative with the first side of the fixed end of the vehicle-mounted lifting bar of the installation of described platform body; The diameter of described platform rotating shaft is arranged so that described platform rotating shaft can be rotated in the through hole of described base, and described platform rotating shaft can be passed the first groove, through hole and the second groove on described base and be stretched out in the bottom surface of described base.
Preferably, the position near described attachment face on the end face of described base is provided with crashproof flange.
Preferably, described sliding bar has cavity, the wall of the first end of described sliding bar is provided with two the first recess that the center shaft about described sliding bar is arranged symmetrically with, the sidewall of the first end of described sliding bar is divided into the first alar part and the second alar part by two the first recess, described first alar part and the second alar part respectively arrange a pin-and-hole, and two pin-and-holes are coaxial; Described first support comprises the first fixed part and is vertically connected to the first engaging lug block of described first fixed part, wherein, described first engaging lug block is provided with the first connecting bore, and the thickness of described first engaging lug block is arranged so that described first engaging lug block freely can move in described two the first recess; And described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first pin, described first pin comprises the first bearing pin, described first bearing pin has the first thread end, and the diameter of described first bearing pin is less than the diameter of the first connecting bore on described first engaging lug block; When installed, described first engaging lug block is plugged in two the first recess; Two coaxial pin-and-holes on described first alar part and the second alar part are corresponding with the first connecting bore position on described first engaging lug block, and the first bearing pin of described first pin is successively through the pin-and-hole on described first alar part and the first connecting bore on described first engaging lug block, and the pin-and-hole of described first thread end on described second alar part stretches out, thus, by the first nut be bolted on described first thread end, described sliding bar is connected to described first support rotationally.
Preferably, described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first anchor ear and the second anchor ear, described first anchor ear and the second anchor ear shaping by panel-bending, the two ends of described first anchor ear and the second anchor ear are installed on the outer peripheral face of vehicle-mounted lifting bar relative to one another, and the two ends of described first anchor ear are fixedly attached to the two ends of described second anchor ear, described first anchor ear and the second anchor ear is made to be fixed on the outer peripheral face of vehicle-mounted lifting bar; And described in the Thickness Ratio of the installation portion of to be installed described first support of described second anchor ear, the second anchor ear other parts is thick, this installation portion is provided with the second tapped bore; First fixed part of described first support is provided with the first mounting hole, and the position of described first mounting hole and quantity are corresponding with the second tapped bore on described second anchor ear, by the bolt be arranged in described first mounting hole and described second tapped bore, described first support can be fixed to described second anchor ear thus.
Preferably, the barrel of the second end of described sleeve is provided with two the second recess that the center shaft about described sleeve is arranged symmetrically with, the barrel of described sleeve second end is divided into flap portion and the 4th alar part by two the second recess, described flap portion and the 4th alar part respectively arrange a pin-and-hole, and two pin-and-holes are coaxial; Described second support comprises the second fixed part and is vertically connected to the second engaging lug block of described second fixed part, wherein, described second fixed part is provided with the second mounting hole, and described second support can by being installed on the top being bolted to vehicle in described second mounting hole; Described second engaging lug block is provided with the second connecting bore, and the thickness of described second engaging lug block is arranged so that described second engaging lug block freely can move in two the second recess of described sleeve second end; And described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the second pin, described second pin comprises the second bearing pin, described second bearing pin has the second thread end, and the diameter of described second bearing pin is less than the diameter of the second connecting bore on described second engaging lug block; When installed, described second engaging lug block is plugged in two the second recess; Two coaxial pin-and-holes on described flap portion and the 4th alar part are corresponding with the second connecting bore position on described second engaging lug block, and the second bearing pin of described second pin is successively through the pin-and-hole in described flap portion and the second connecting bore on described second engaging lug block, and the pin-and-hole of described second thread end on described 4th alar part stretches out, thus, by the second nut be bolted on described second thread end, described sleeve is connected to described second support rotationally.
Compared with prior art, vehicle-mounted lifting bar multipoint positioning mechanism according to the present invention has useful technique effect:
(1) utilize according to vehicle-mounted lifting bar multipoint positioning mechanism of the present invention, can carry out the installation of multipoint positioning formula to lifting bar, this mounting means can make lifting bar position at diverse location, realizes lifting bar displacement spatially.Therefore, the installation site of lifting bar is flexible.
(2) according to multipoint positioning mechanism of the present invention highly versatile, the difference because of lifting bar and carrier is not needed significantly to change structure.
(3) in multipoint positioning mechanism according to the present invention, critical component adopts stainless steel material, improves the adaptive capacity to environment that mechanism uses out of doors.
(4) in multipoint positioning mechanism according to the present invention, the contact surface of locating dowel pin and rotating table adopts conical suface, the pin-and-hole opening part of base and the threaded tip of locating dowel pin also all adopt conical suface, are convenient to the importing of locating dowel pin when locating dowel pin is equipped with, substantially increase the precision of location.
Accompanying drawing explanation
Fig. 1 is the structural representation according to vehicle-mounted lifting bar multipoint positioning mechanism of the present invention;
Fig. 2 is the partial schematic sectional view according to vehicle-mounted lifting bar multipoint positioning mechanism of the present invention;
Fig. 3 illustrates according to the base of vehicle-mounted lifting bar multipoint positioning mechanism of the present invention and the installation relation cross-sectional schematic of rotating table;
Fig. 4 is the principle of work schematic diagram according to vehicle-mounted lifting bar multipoint positioning mechanism of the present invention;
Fig. 5 is the structural representation according to sliding bar of the present invention;
Fig. 6 is the structural representation according to sleeve of the present invention;
Fig. 7 is the structural representation according to base of the present invention;
Fig. 8 is the structural representation according to rotating table of the present invention;
Fig. 9 is the structural representation according to the first support of the present invention;
Figure 10 is the structural representation according to the second support of the present invention;
Figure 11 is the structural representation according to the second anchor ear of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, vehicle-mounted lifting bar multipoint positioning mechanism according to the present invention is further described in detail.
Vehicle-mounted lifting bar multipoint positioning mechanism according to the present invention is intended to realize the multipoint positioning of lifting bar on vehicle, so that in vehicle traveling and stopped process, the position of lifting bar relative to vehicle is adjusted, thus the convenient convenience improving lifting bar location.
For this reason, vehicle-mounted lifting bar multipoint positioning mechanism according to the present invention comprises: the second support 1, sleeve 2, sliding bar 4, lock assembly, the first support 5, base 11 and rotating table 12, wherein, the second support 1, sleeve 2, sliding bar 4, lock assembly and the first support 5 are used for one end of vehicle-mounted lifting bar to be connected to vehicle roof; Base 11 and rotating table 12 are used for lifting bar to be connected on vehicle chassis.Thus, the installation of lifting bar on vehicle can be realized.Simultaneously, for the ease of adjusting the locus of lifting bar, in the present invention by the following technical solutions:
For those skilled in the art it is understood that usually, one end of vehicle-mounted lifting bar is fixed on vehicle, and the other end freely suspends, be convenient to inner loop bar and freely stretch or retract.Herein, positioned-lifting bar be fixed end to be affixed to the one end on vehicle, the other end is free end.
As Figure 1-4, the second support 1 is fixed to the top of vehicle, and the second end 206 of sleeve 2 is connected to the second support 1 rotationally.The opening that second end 42 of sliding bar 4 passes the first end 205 of sleeve 2 is set in the inner chamber of sleeve 2 slidably, and the first end 41 of sliding bar 4 is connected to the first support 5 rotationally.Further, between sliding bar and sleeve, be provided with lock assembly, this lock assembly is used for carrying out the locking and unlocking to sliding bar 4 and sleeve 2, makes sliding bar to slide relative to sleeve or to be locked in sliding bar.First support 5 is fixed to the outer peripheral face of vehicle-mounted lifting bar 17.The fixed end 171 of vehicle-mounted lifting bar 17 is fixed on rotating table 12.Rotating table 12 is fixed to the chassis of vehicle by base 11.Base 11 is fixed to the chassis of vehicle, and base 11 has multiple position location, and rotating table 12 can be fixed on the arbitrary position location place in the plurality of position location on described base 11.
Thus, as shown in Figure 4, by the adjustment position location of rotating table on base, simultaneously, by lifting bar fixed end being fixedly connected with on a spinstand, being fixedly connected with between lifting bar free end with the first support 5, the first support 5 and being rotatably connected between sliding bar 4, being slidably connected between sleeve 2 with sliding bar 4, being rotatably connected between sleeve 2 and the second support 1, the adjustment of relative position between lifting bar and vehicle just can be realized.
Below, the concrete structure of vehicle-mounted lifting bar multipoint positioning mechanism is in accordance with a preferred embodiment of the present invention described in detail.
As shown in Figure 1-Figure 3, this vehicle-mounted lifting bar multipoint positioning mechanism comprises the second support 1, sleeve 2, knob 3, sliding bar 4, first support 5, first anchor ear 6, second anchor ear 7, first pin 8, slide block 9, second pin 10, base 11, rotating table 12, locating dowel pin 13, bearing 14, nut 15 and pad 16.17 is lifting bar.Multipoint positioning mechanism according to the present invention is for realizing the multipoint positioning of lifting bar 17 on vehicle.
Second support 1 and base 11 as the external interface of mechanism, on the two top being separately fixed at vehicle and chassis, to realize the connection of lifting bar and car body.Such as, the second support can be arranged on vehicle roof platform (general special vehicle all configures vehicle roof platform) or on the C post of vehicle.Base is connected with the chassis of vehicle.
As shown in Figure 1, Figure 2 and shown in Figure 10, second support 1 comprises the second fixed part 101 and is vertically connected to the second engaging lug block 102 of the second fixed part 101, wherein, second fixed part 101 being provided with the second mounting hole 103, second support 1 can by being installed on the top being bolted to vehicle in the second mounting hole 103; Second engaging lug block 102 is provided with the second connecting bore 104, and the thickness of the second engaging lug block 102 is arranged so that the second engaging lug block 102 freely can move in two the second recess 201 of sleeve 2 second end 206.
In the preferred embodiment, the second support will be fixed on the curb girder of vehicle roof platform, and therefore, the second support 1 is on the whole in "T"-shaped, and its second fixed part 101 is disk construction.This second fixed part 101 arranges multiple (two or four, or more) the second mounting hole 103, the curb girder of vehicle roof platform also needs correspondingly arrange mounting hole, thus, just the second support can be fixed on the curb girder of vehicle roof platform by screw bolt and nut.Second engaging lug block 102 is from the middle part Vertical dimension extension of the second fixed part 101, and it is also slab structure.This second engaging lug block 102 will be arranged in two the second recess 201 of sleeve 2 second end 206, in order to can sleeve 2 can with the second bracket-rotatable dynamic be connected, the thickness of this second engaging lug block 102 should be less than the thickness of two the second recess 201 of sleeve 2 second end 206.
Those skilled in the art, it is understood that the second fixed part 101 also can adjust according to the structure of position to be installed vehicle, are not limited with slab construction, as long as can realize the second support fixing to vehicle.
The main body of sleeve 2 is rectangle thin wall pipe, the barrel of its second end 206 is provided with two the second recess 201 that the center shaft about sleeve 2 is arranged symmetrically with, the barrel of sleeve 2 second end 206 is divided into flap portion 2061 and the 4th alar part 2062 by two the second recess 201, flap portion 2061 and the 4th alar part 2062 are respectively arranged with pin-and-hole, and two pin-and-holes on flap portion 2061 and the 4th alar part 2062 are coaxially arranged.The first end 205 of sleeve 2 is open end, and the second end of sliding bar 4 described below embeds in the inner chamber of sleeve 2 from the first end of sleeve 2.In addition, the wall of sleeve 2 is also provided with the first knock hole 204, preferably, the position of this first knock hole is close to the first end 205 of sleeve 2, and this first knock hole will describe in detail below.
For realizing between sleeve 2 to the second 1 be rotatably connected, vehicle-mounted lifting bar multipoint positioning mechanism also comprises the second pin 10 and the second nut, second pin 10 comprises the second bearing pin, second bearing pin has the second thread end, and the diameter of the second bearing pin is less than the diameter of the second connecting bore 104 on the second engaging lug block 102.The head of the second pin is outer-hexagonal bolt cap.
When installed, the second engaging lug block 102 is plugged in two the second recess 201 of sleeve second end; Two coaxial pin-and-holes on flap portion 2061 and the 4th alar part 2062 are corresponding with the second connecting bore 104 position on the second engaging lug block 102, and the second bearing pin of the second pin 10 is successively through the pin-and-hole in flap portion 2061 and the second connecting bore 104 on the second engaging lug block 102, and the pin-and-hole of the second thread end on the 4th alar part 2062 stretches out, thus, just sleeve 2 can be connected to the second support 1 rotationally by the second nut be bolted on the second thread end.
As shown in Fig. 1-Fig. 2, Fig. 5-Fig. 6, Fig. 9, sliding bar 4 is rectangle thin wall pipe, the wall of its first end 41 is provided with two the first recess 401 that the center shaft about sliding bar 4 is arranged symmetrically with, the sidewall of the first end 41 of sliding bar 4 is divided into and the first alar part 4101 and the second alar part 4102, first alar part 4101 and the second alar part 4102 is provided with two coaxial pin-and-holes by two the first recess 401.Second end 42 of sliding bar 4 is rectangular aperture end, and it is arranged in the inner chamber of sleeve 2.In addition, the wall of sliding bar 4 is also provided with bar-shaped trough 404, the description combined below lock assembly is described by this bar-shaped trough.The similar organization establishes with sleeve second end of the arrangement of mechanism of this first end of sliding bar 4.
First support 5 comprises the first fixed part 501 and is vertically connected to the first engaging lug block 502 of the first fixed part 501, wherein, first engaging lug block 502 is provided with the first connecting bore 5021, and the thickness of the first engaging lug block 502 is arranged so that the first engaging lug block 502 freely can move in two the first recess 401.In addition, the first fixed part 501 of the first support 5 is provided with the first mounting hole 5011, for the first support being fixed to vehicle-mounted lifting bar by bolt and nut etc., the layout of this first mounting hole will be described below.In the preferred embodiment, the structure of the first support and the similar of the second support, therefore, do not repeat the CONSTRUCTED SPECIFICATION of the first support.
In addition, for sliding bar is connected to the first support rotationally, vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first pin 8, first pin 8 comprises the first bearing pin, first bearing pin has the first thread end, and the diameter of the first bearing pin is less than the diameter of the first connecting bore 5021 on the first engaging lug block 502.The structure of this first pin 8 and the structural similitude of the second above-mentioned pin 10, do not repeat.
When installed, the first engaging lug block 502 is plugged in two the first recess 401; Two coaxial pin-and-holes on first alar part 4101 and the second alar part 4102 are corresponding with the position of the first connecting bore 5021 on the first engaging lug block 502, and the first bearing pin of the first pin 8 is successively through the pin-and-hole on the first alar part 4101 and the first connecting bore 5021 on the first engaging lug block 502, and the pin-and-hole of the first thread end on the second alar part 4102 stretches out, thus, by the first nut 802 be bolted on the first thread end, sliding bar 4 is connected to the first support 5 rotationally.
As shown in Figure 1, Figure 2 and shown in Figure 11, vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first anchor ear 6 and the second anchor ear 7.
The structural similitude of the first anchor ear 6 and the second anchor ear 7, shaping by panel-bending.In this preferred embodiment, the cross section of lifting bar is square, therefore, the square structure matched with the outer peripheral face of lifting bar is formed after the two ends of the first anchor ear 6 and the second anchor ear 7 link together relative to one another, the two ends of the two are installed on relative to one another the outer peripheral face of vehicle-mounted lifting bar 17, and by screw and bolt, the two ends of the first anchor ear 6 are fixedly attached to the two ends of the second anchor ear 7 (for this reason, the two ends of the first anchor ear and the second anchor ear all need to arrange knock hole), the first anchor ear 6 and the second anchor ear 7 are fixed on the outer peripheral face of vehicle-mounted lifting bar 17.Lifting bar can be fixed to for making the first support 5, preferably, ratio second anchor ear 7 other parts that the thickness of the installation portion of first support 5 to be installed of the second anchor ear 7 will design thick, this installation portion is provided with the second tapped bore 701, to be fixed on the second anchor ear 7 by the first support 5 by bolt or its other threaded fasteners.
The position of the first mounting hole 5011 that first fixed part 501 of the first support 5 is arranged and quantity are corresponding with the second tapped bore 701 on the second anchor ear 7, by the screw be arranged in the first mounting hole 5011 and the second tapped bore 701, first support 5 can be fixed to the second anchor ear 7 thus.
As shown in Figure 2, Figure 5 and Figure 6, lock assembly comprises slide block 9 and knob 3.The wall of sleeve 2 is provided with the first knock hole 204; And the wall of sliding bar 4 is provided with bar-shaped trough 404 in corresponding position.
In this preferred embodiment, sleeve 2 and sliding bar 4 are the hollow object of square-section.Slide block 9 is placed in the inner chamber of sliding bar 4, and for this reason, the exterior contour of slide block 9 is the rectangle with the mating shapes of sliding bar inner chamber, and its size will ensure that slide block 9 can slide in the inner chamber of sliding bar 4.In addition, the centre of slide block 9 is provided with the first tapped bore 901.
Knob 3 comprises knob end and is connected to the thread rod of knob end, and when installed, thread rod is through the first tapped bore screw thread fit on the first knock hole 204 on sleeve 2 and the bar-shaped trough on sliding bar 4 404 and slide block 9; Further, when thread rod and the first tapped bore be in tighten mated condition time, the outer wall of the downward clamp sleeve 2 of knob end of knob 3, slide block 9 upwards compresses the inwall of sliding bar 4, sleeve 2 and sliding bar 4 is locked together thus; And when being in easy fit state between thread rod and the first tapped bore 901 (, unlock state, slide block 9 can be moved under the drive of knob 3 in sliding bar), knob 3 can move along the bar-shaped trough 404 on sliding bar 4 under external force, is with movable slider 9 to move in the inner chamber of sliding bar 4 thus.
When mounted, first slide block 9 is embedded into sliding bar 4 from the second end of sliding bar 4 inner, the first tapped bore of slide block 9 aims at the bar-shaped trough 404 of sliding bar 4; Then the sliding bar 4 embedding slide block 9 is embedded from the first end of sleeve 2, the face being provided with bar-shaped trough 404 in face and sliding bar 4 that sleeve 2 is provided with the first knock hole 204 should in the same side, the thread rod of knob 3 passes the first knock hole 204 of sleeve 2, screw in the first tapped bore of slide block 9, by rotating the knob end of knob 3, locking and the unblock of sleeve 2 and sliding bar 4 just can be realized.Revolve and send knob 3, sliding bar 4 can carry out piston movement in sleeve 2 inside; Tighten knob 3, be locked between sliding bar 4 and sleeve 2, can not relative motion be produced.
As shown in Fig. 1-Fig. 2, Fig. 7-Fig. 8, the to be installed of base 11 is provided with threaded mounting hole 1101 to the attachment face of vehicle chassis, for by screw by floor installation to vehicle chassis.In the preferred embodiment, this attachment face of base is plane.The face relative with this attachment face is semicircle cambered surface.The quantity of threaded mounting hole can be determined according to actual conditions.
Base 11 is provided with three (according to actual conditions, two, more than three or three can be arranged) the 3rd knock holees 1101, as the position location of rotating table on base.These three the 3rd knock holees 1101 are evenly arranged along the periphery (i.e. the outer rim of its semicircle cambered surface) of base 11.Each 3rd knock hole 1101 has one section of thread segment, for the position of any one by rotating table being fixed on by the locating dowel pin 13 of description three the 3rd knock holees on base below.
Rotating table 12 comprises platform body 121, and the flange of the fixed end 171 of vehicle-mounted lifting bar 17 is fixed on the first side 1211 of platform body 121 by screw thread.Platform body 121 is provided with the second knock hole 1213, for rotating table being fixed on base by the locating dowel pin 13 be arranged in any one the 3rd knock hole of this second knock hole and base.
As described previously, vehicle-mounted lifting bar multipoint positioning mechanism also comprises locating dowel pin 13, locating dowel pin 13 is provided with the threaded portion coordinated with the thread segment of the 3rd knock hole 1101 on base 11.The threaded portion of locating dowel pin 13 can be stretched into through the second knock hole 1213 on platform body 121 in the 3rd knock hole 1101 and to coordinate with the thread segment of the 3rd knock hole 1101, is fixed on by rotating table 12 thus on the end face of base 11.Preferably, the edge of the second knock hole on this rotating table is 90 degree of conical sufaces, and correspondingly, the position above the threaded portion of locating dowel pin 13 is provided with the conical suface mated with the conical suface of the second knock hole.And, also adopt conical suface to coordinate at the 3rd knock hole opening part of base with the threaded tip of locating dowel pin 13, so that the importing of locating dowel pin when locating dowel pin is equipped with, substantially increase the precision of location.
Preferably, for the ease of guiding the conversion of rotating table 12 locating point on base, the middle part of base 11 is provided with through hole 1103, and the two ends of this through hole 1103 are respectively arranged with the first groove 1102 and the second groove 1104.First groove 1102, through hole 1103 and the second groove 1104 are communicated with successively, and run through end face and bottom surface (that is, relative with the end face face) of base 11.First groove 1102 is identical with the diameter of the second groove 1104 and be greater than the diameter of through hole 1103.And be provided with a bearing 14 separately in the first groove 1102 and the second groove 1104.Rotating table 12 comprises the second side (namely relative with the first side 1211 of the fixed end 171 of the vehicle-mounted lifting bar of the installation of platform body 121 17) the 1212 vertical outward extending platform rotating shafts 122 from its platform body 121.The diameter of this platform rotating shaft 122 is less than the diameter of the through hole 1103 of base 11, so that platform rotating shaft 122 can be rotated in the through hole 1103 of base 11.And the length of this platform rotating shaft 122 is arranged can pass the first groove 1102, through hole 1103 and the second groove 1104 on base 11 and the bottom surface stretching out in base 11.Preferably, one end stretching out in base end face of platform rotating shaft is provided with screw thread, to be locked further the position of the rotating table of having good positioning by pad 16 and jam nut 15.
In addition, for when preventing from adjusting the position location of rotating table on base because rotating table crashing vehicle chassis causes the damage of vehicle chassis or rotating table relevant position, the position near attachment face on the end face of base 11 is provided with crashproof flange 1105.This crashproof flange extends along the attachment face of base.
Those skilled in the art it is understood that, in the preferred embodiment, the attachment face of base is arranged to plane, so that by floor installation on the side of vehicle chassis, but the present invention is not as limit, according to the difference at the concrete position of the vehicle that base is to be connected, can modify to the structure of the attachment face of base or equivalence change, as long as can by corresponding position on floor installation to vehicle.In addition, platform rotating shaft on rotating table, and through hole on base, the first groove, the second groove also can omit, and, one section of blind hole can be set on base or a through hole is only set to guide the platform rotating shaft of rotating table, thus realize the shift in position of rotating table on base.In addition, the position of the position of the 3rd knock hole on base and the layout of multiple 3rd knock hole, through hole and first, second groove is not all limited with the present embodiment.
Shown in figure 4, when the position location needing adjustment lifting bar 17 on base, unscrew (unclamping) knob 3, and then pull down (taking off completely) locating dowel pin 13, promote lifting bar 17, that sliding bar 4 moves relative to sleeve, sliding bar is relative to the first holder pivots, and make sleeve relative to the second holder pivots, thus rotating table 12 can be made to be switched on base 11 other locating point, then locating dowel pin 13 is inserted corresponding 3rd knock hole on the second knock hole of rotating table 12 and base 11, screwed in place pin 13, and knob 3 is tightened completely.Such as, the lifting bar of multipoint positioning mounting means is adopted at miniature cross-country car rear portion, when driving or normal use, lifting bar is placed in vehicle dead aft, as need tail gate be opened, can adjust the position location of bay-lift on base by the way, thus lifting bar be moved to the position of not interfering with tail gate.
It should be noted that, in above preferred embodiment, second support is described to be connected with cross-country car with the structure design of base, but, because the structure on roof between different vehicle and chassis there are differences, the restriction of structure disclosed in this specification sheets is not subject to according to the second support of vehicle-mounted lifting bar multipoint positioning mechanism of the present invention and the concrete structure of base, according to the particular case of vehicle, suitable transition fabricated section can be configured on the basis of structure disclosed by the invention, realize the connection between lifting bar and vehicle.
In addition, in multipoint positioning mechanism according to the present invention, critical component adopts stainless steel material, and improve the adaptive capacity to environment that mechanism uses out of doors, described critical component is sleeve, sliding bar, slide block, knob, base, locating dowel pin etc.
At this, it should be noted that, the content do not described in detail in this specification sheets, be that those skilled in the art can be realized by the description in this specification sheets and prior art, therefore, do not repeat.
The foregoing is only the preferred embodiments of the present invention, be not used for limiting the scope of the invention.For a person skilled in the art, under the prerequisite not paying creative work, can make some amendments and replacement to the present invention, all such modifications and replacement all should be encompassed within protection scope of the present invention.
Claims (8)
1. a vehicle-mounted lifting bar multipoint positioning mechanism, for vehicle-mounted lifting bar (17) is fixed to vehicle, it is characterized in that, comprise: the second support (1), sleeve (2), sliding bar (4), lock assembly, the first support (5), base (11) and rotating table (12), wherein
Described first support (5) is fixed to the outer peripheral face of vehicle-mounted lifting bar (17);
The first end (41) of described sliding bar (4) is connected to described first support (5) rotationally, second end (42) of described sliding bar (4) is set in the inner chamber of described sleeve (2) through the opening of the first end (205) of described sleeve (2) slidably, and second end (206) of described sleeve (2) is connected to described second support (1) rotationally; Described second support (1) is fixed to the top of vehicle;
Described lock assembly carries out the locking and unlocking to described sliding bar (4) and described sleeve (2), makes described sliding bar (4) to slide in the inner chamber of described sleeve (2) or to be locked in the inner chamber of described sleeve (2);
The fixed end (171) of vehicle-mounted lifting bar (17) is fixed on described rotating table (12), and described rotating table (12) is fixed to the chassis of vehicle by described base (11); Described base (11) is fixed to the chassis of vehicle, (11) have multiple position location to described base, and described rotating table (12) can be fixed on the arbitrary position location place in the plurality of position location on described base (11).
2. vehicle-mounted lifting bar multipoint positioning mechanism according to claim 1, is characterized in that, described lock assembly comprises slide block (9) and knob (3); The wall of described sleeve (2) is provided with the first knock hole (204); And the wall of described sliding bar (4) is provided with accordingly bar-shaped trough (404), wherein,
Described slide block (9) is placed in the inner chamber of described sliding bar (4) slidably, the mating shapes of the exterior contour of described slide block (9) and the inner chamber of described sliding bar (4); And the centre of described slide block (9) is provided with the first tapped bore;
Described knob (3) comprises knob end and is connected to the thread rod of described knob end, when installed, described thread rod is through the first knock hole (204) on described sleeve (2) and the bar-shaped trough (404) on described sliding bar (4) and the first tapped bore screw thread fit on described slide block (9); And, when described thread rod and described first tapped bore be in tighten mated condition time, the knob end of described knob (3) compresses the outer wall of described sleeve (2) downwards, described slide block (9) upwards compresses the inwall of described sliding bar (4), described sleeve (2) and described sliding bar (4) is locked together thus; And when being in easy fit state between described thread rod and described first tapped bore, described knob (3) can drive described slide block (9) to move in the inner chamber of described sliding bar (4) along the bar-shaped trough (404) on described sliding bar (4) under external force.
3. vehicle-mounted lifting bar multipoint positioning mechanism according to claim 1, is characterized in that,
Multiple position locations on described base (11) are multiple 3rd knock holees (1101) be arranged on base, and each 3rd knock hole (1101) has thread segment;
Described rotating table (12) comprises platform body (121), and fixed end (171) screw thread of vehicle-mounted lifting bar (17) is fixed on first side (1211) of described platform body (121); Described platform body (121) is provided with the second knock hole (1213);
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises locating dowel pin (13), described locating dowel pin (13) is provided with the threaded portion coordinated with the thread segment of the 3rd knock hole (1101) on described base (11), the threaded portion of described locating dowel pin (13) can be stretched into through the second knock hole (1213) on described platform body (121) in described 3rd knock hole (1101) and to coordinate with the thread segment of described 3rd knock hole (1101), is fixed on the end face of described base (11) by described rotating table (12) thus.
4. vehicle-mounted lifting bar multipoint positioning mechanism according to claim 3, is characterized in that,
The middle part of described base (11) is provided with through hole (1103), the two ends of described through hole (1103) are respectively arranged with the first groove (1102) and the second groove (1104), described first groove (1102), described through hole (1103) and described second groove (1104) are communicated with successively, and run through end face and the bottom surface of described base (11), and described first groove (1102) is identical with the diameter of the second groove (1104) and be greater than the diameter of described through hole (1103); And be provided with bearing (14) separately in described first groove (1102) and the second groove (1104); Described base (11) is provided with three the 3rd knock holees (1101), these three the 3rd knock holees (1101) are evenly arranged along the periphery of described base (11);
Described rotating table (12) comprises the vertical outward extending platform rotating shaft (122) from second side (1212) of described platform body (121), and described second side (1212) is relative with first side (1211) of the fixed end (171) of the vehicle-mounted lifting bar of installation (17) of described platform body (121); The diameter of described platform rotating shaft (122) is arranged so that described platform rotating shaft (122) can be rotated in the through hole of described base (11) (1103), and described platform rotating shaft (122) can be passed the first groove (1102), through hole (1103) and the second groove (1104) on described base (11) and be stretched out in the bottom surface of described base (11).
5. vehicle-mounted lifting bar multipoint positioning mechanism according to claim 4, is characterized in that, the position near described attachment face on the end face of described base (11) is provided with crashproof flange (1105).
6. vehicle-mounted lifting bar multipoint positioning mechanism according to claim 1, is characterized in that,
Described sliding bar (4) has cavity, the wall of the first end (41) of described sliding bar (4) is provided with two the first recess (401) that the center shaft about described sliding bar (4) is arranged symmetrically with, the sidewall of the first end (41) of described sliding bar (4) is divided into the first alar part (4101) and the second alar part (4102) by two the first recess (401), described first alar part (4101) and the second alar part (4102) are upper respectively arranges a pin-and-hole, and two pin-and-holes are coaxial;
Described first support (5) comprises the first fixed part (501) and is vertically connected to the first engaging lug block (502) of described first fixed part (501), wherein, described first engaging lug block (502) is provided with the first connecting bore (5021), and the thickness of described first engaging lug block (502) is arranged so that described first engaging lug block (502) freely can move in described two the first recess (401); And
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first pin (8), described first pin (8) comprises the first bearing pin, described first bearing pin has the first thread end, and the diameter of described first bearing pin is less than the diameter of the first connecting bore (5021) on described first engaging lug block (502);
When installed, described first engaging lug block (502) is plugged in two the first recess (401), two coaxial pin-and-holes on described first alar part (4101) and the second alar part (4102) are corresponding with the first connecting bore (5021) position on described first engaging lug block (502), and the first bearing pin of described first pin (8) is successively through the pin-and-hole on described first alar part (4101) and the first connecting bore (5021) on described first engaging lug block (502), and the pin-and-hole of described first thread end on described second alar part (4102) stretches out, thus, by the first nut (802) be bolted on described first thread end, described sliding bar (4) is connected to described first support (5) rotationally.
7. vehicle-mounted lifting bar multipoint positioning mechanism according to claim 5, is characterized in that,
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first anchor ear (6) and the second anchor ear (7), described first anchor ear (6) and the second anchor ear (7) shaping by panel-bending, the two ends of described first anchor ear (6) and the second anchor ear (7) are installed on the outer peripheral face of vehicle-mounted lifting bar (17) relative to one another, and the two ends of described first anchor ear (6) are fixedly attached to the two ends of described second anchor ear (7), described first anchor ear (6) and the second anchor ear (7) is made to be fixed on the outer peripheral face of vehicle-mounted lifting bar (17); And described in the Thickness Ratio of the installation portion of to be installed described first support (5) of described second anchor ear (7), the second anchor ear (7) other parts is thick, this installation portion is provided with the second tapped bore (701);
First fixed part (501) of described first support (5) is provided with the first mounting hole (5011), and the position of described first mounting hole (5011) and quantity are corresponding with the second tapped bore (701) on described second anchor ear (7), by the bolt be arranged in described first mounting hole (5011) and described second tapped bore (701), described first support (5) can be fixed to described second anchor ear (7) thus.
8. vehicle-mounted lifting bar multipoint positioning mechanism according to claim 1, is characterized in that,
The barrel of second end (206) of described sleeve (2) is provided with two the second recess (201) that the center shaft about described sleeve (2) is arranged symmetrically with, the barrel of described sleeve (2) second end (206) is divided into flap portion (2061) and the 4th alar part (2062) by two the second recess (201), described flap portion (2061) and the 4th alar part (2062) are upper respectively arranges a pin-and-hole, and two pin-and-holes are coaxial;
Described second support (1) comprises the second fixed part (101) and is vertically connected to the second engaging lug block (102) of described second fixed part (101), wherein, described second fixed part (101) is provided with the second mounting hole (103), and described second support (1) can by being installed on the top being bolted to vehicle in described second mounting hole (103); Described second engaging lug block (102) is provided with the second connecting bore (104), and the thickness of described second engaging lug block (102) is arranged so that described second engaging lug block (502) freely can move in two the second recess (201) of described sleeve (2) second end (206); And
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the second pin (10), described second pin (10) comprises the second bearing pin, described second bearing pin has the second thread end, and the diameter of described second bearing pin is less than the diameter of the second connecting bore (104) on described second engaging lug block (102);
When installed, described second engaging lug block (102) is plugged in two the second recess (201), two coaxial pin-and-holes on described flap portion (2061) and the 4th alar part (2062) are corresponding with the second connecting bore (104) position on described second engaging lug block (102), and the second bearing pin of described second pin (10) is successively through the pin-and-hole on described flap portion (2061) and the second connecting bore (104) on described second engaging lug block (102), and the pin-and-hole of described second thread end on described 4th alar part (2062) stretches out, thus, by the second nut be bolted on described second thread end, described sleeve (2) is connected to described second support (1) rotationally.
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| CN201410215977.5A CN104002739B (en) | 2014-05-21 | 2014-05-21 | A kind of vehicle-mounted lifting bar multipoint positioning mechanism |
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| CN201410215977.5A CN104002739B (en) | 2014-05-21 | 2014-05-21 | A kind of vehicle-mounted lifting bar multipoint positioning mechanism |
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| CN104875355A (en) * | 2015-04-23 | 2015-09-02 | 苏州圣利线缆有限公司 | Color matching material supplying equipment of cable insulation layer double-color co-extrusion device |
| CN108556756B (en) * | 2018-04-03 | 2020-05-15 | 北京汽车研究总院有限公司 | Flagpole mounting assembly and vehicle that has it |
| CN109695272B (en) * | 2019-02-25 | 2024-04-09 | 厦门大白科技有限公司 | Free rotation translation lifter |
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Effective date of registration: 20160224 Address after: 100854 Yongding Road, Beijing, No. 52, No. Patentee after: BEIJING AEROSPACE WANDA HIGH-TECH CO., LTD. Address before: 100854 Haidian District, Beijing, box 142, box office, 403 Patentee before: China Aerospace Times Electronics Corporation The 13th Institute |