CN2548861Y

CN2548861Y - Multifunctional lifting trolley for fitting chassis

Info

Publication number: CN2548861Y
Application number: CN 02265076
Authority: CN
Inventors: 程章麟
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-24
Filing date: 2002-06-24
Publication date: 2003-05-07
Anticipated expiration: 2012-06-24

Abstract

Disclosed is an improved multifunctional lift type chassis repair vehicle, which comprises a working platform and a diamond type movable telescopic frame, wherein the working platform comprises front and back two bearing bar frames and left and right two transverse pin sleeves which are fixed connected with the bar frames. The utility model is characterized in that the front and back two bearing bar frames are that a mechanism whose length can be telescopically adjusted is composed of a casing and a long shaft which is movably sleeved with the casing. In the left and right transverse pin sleeves of the working platform, the left transverse pin sleeve is movably sleeved with a transverse pin. A working platform inclination adjustment mechanism which is composed of nuts and screws is arranged between the transverse pin and the left transverse pin sleeve. Pairs of upper gears which can mesh with each other are arranged at both ends of the transverse pin and the right transverse pin sleeve. When the back casing is disassembled and assembled, the utility model only needs to adjust the length of front and back two bearing bar frames according to the mass center position of the back casing, and then precise disassembly and assembly can be operated by accurately location. In disassembly and assembly, as long as the inclination screws in the inclination adjustment mechanism are positively and negatively turned, the inclination of the working platform can be changed. Compared with prior technology, based on the safe, labor saving, quick and convenient disassembly and assembly, the utility model can strengthen accuracy and stability of disassembly and assembly further when the back casing is disassembled and assembled, and make the high quality and quick disassembly, assembly and repair be operated smoothly.

Description

Multifunctional lifting formula maintenance chassis car

Technical field: the utility model relates to the service tools car that is used for self-propelled vehicle, particularly a kind of improved multifunctional lifting formula maintenance chassis car can be used as the loading and unloading of heavy assemblies such as automobile chassis transmission case, backteeth bag, the operating maintenance instrument that supports and transport etc. uses.

Background technology: at present when servicing a car, assemblies such as automobile chassis transmission case, backteeth bag, transmission shaft, its weight often surpass manpower the ability that can bear, these assemblies are in automobile bottom specific position again, be difficult to shoulder with the hand half the circumference of the sleeve where it joins the shoulder, to could operate with special tools such as a plurality of portable jacks, use jack to make service tools, there are many unsatisfactory parts, height as the jack lifting is limited, in dismounting during than the dolly chassis change speed gear box of low level, backteeth bag, because of jack dips limitedly, inconvenience is installed in turnover.When big (goods) chassis change speed gear box of dismounting higher position, often need jack glove platform can rise to that height can reach normal dismounting height about 60cm, and this height is that traditional jack institute is inaccessiable.In addition, when dismounting, use several jacks simultaneously, adjustable height is difficult to be consistent, and is difficult to control the stability and the accuracy of removable member to be installed, causes maintenance work time-consuming hard, influences work efficiency and safety.In order to overcome above-mentioned shortcoming, the applicant once designed a kind of lifting type automobile maintenance chassis rolling cart (China Patent No. 01210565.1), this service tools car comprises workplatform, the vehicle frame base, trundle (cardan wheel), between workplatform and vehicle frame base, be provided with two groups of movable telescopic framves (or claiming the flexible group of parallelogram frame) that are hinged to the diamond shaped structure by support link up and down, the place's activity of two diagonal angles is equipped with by screw mandrel about rhombus movable telescopic frame, the spiral lifting mechanism that nut constitutes, when forward and reverse rotary screw rod, the workplatform (for glove platform) that can drive two groups of rhombus movable telescopic framves and top thereof simultaneously does up and down that synchronization lifting moves.The member that wherein constitutes workplatform by the two load-bearing bridges in front and back with captive joint with it about two lateral pins (axle) cover form, the profile of tooth band iron and the fixing detachable plus-minus screw of backteeth bag bead before and after on workplatform, also being fixed with, in addition, for the upper and lower strut that prevents to constitute two groups of rhombus movable telescopic framves at work double swerve to strengthen the stability of workplatform and underframe seat, it is right that the two ends of the cover of having strong market potential of captiveing joint with each lower link are provided with the lower gear of be meshing with each other (interlock), and that the two ends of the cotter axle of captiveing joint with each boxed rod (the cotter axle pivot bush unit is in the lateral pin cover of workplatform) also can be provided with the cogging of (interlock) that be meshing with each other is right.It is laborsaving to adopt the rolling cart of above-mentioned technology to have a dismounting, and good stability is installed quick and conveniently, also can be used as one ton of jack and uses.The shortcoming of its blemish in an otherwise perfect thing is: because of being formed the restriction of workplatform member, the length adjustment (putting in order) of workplatform is restricted, also owing to the degree of dip of workplatform (also claiming articles-holding plate) can't be regulated, when making the various different models of its accurately stable mounting or dismounting chassis backteeth bag, still be subjected to influence to a certain degree unavoidably.

The purpose of this utility model is a kind of improved multifunctional lifting formula maintenance chassis car of design, make when utilizing its chassis assembly that services a car (assemblies such as change speed gear box, backteeth bag), not only the dismounting safety labor-saving, install quick and conveniently, and higher accuracy and stability are arranged.

The utility model is to improve to form on the basis of prior art, this maintenance car still comprises workplatform, the vehicle frame base, between workplatform (claiming articles-holding plate again) and vehicle frame base, be provided with two groups of movable telescopic framves that are hinged to the diamond shaped structure by support link up and down, the place's activity of two diagonal angles is equipped with by screw mandrel about rhombus movable telescopic frame, the spiral lifting mechanism that nut constitutes, the member that wherein constitutes workplatform by the two load-bearing bridges in front and back with about being connected to a fixed with it two lateral pins (axle) cover form, profile of tooth band iron and the fixing detachable governing screw used of backteeth bag bead before and after on workplatform, also being fixed with, it is characterized in that the two load-bearing bridges in described front and back be again by (steel) sleeve pipe and with it the long shaft rod of pivot bush unit constitute the structure of the scalable adjustment of a length, two lateral pins of captiveing joint (axle) cover about described workplatform with the upper support connecting rod, go back movable sleeve in the left lateral pin cover therein and be connected to a cotter axle, between cotter axle and left lateral pin cover, be provided with workplatform (articles-holding plate) the degree of dip adjusting mechanism that nut-screw constitutes, be provided with at cotter axle and right lateral pin cover two ends can intermeshingly cog right.

Most of operation of the present utility model is roughly the same with prior art.When dismounting backteeth bag, only need to regulate the length of the two load-bearing bridges in front and back according to the position of backteeth bag center of gravity, referring to accompanying drawing, specific practice is earlier the spring cotter in the sleeve pipe 7 to be extracted, decide the position location of spring cotter according to the position of backteeth bag center of gravity, promote after fixedly the detachable plus-minus screw of backteeth bag bead makes long shaft rod move to the appropriate location in sleeve pipe, again spring cotter is inserted in the sleeve pipe, to be welded on after profile of tooth band iron on the workplatform holds the backteeth incrustation, detachable screw 4 is screwed in the backteeth bag bead hole, backteeth can be assured definite position and carry out accurate dismounting.In dismounting when wanting the degree of dip of adjusting work platform (being articles-holding plate), as long as the inclination screw (bar) in the rotating degree of dip adjusting mechanism, then driving the inclination adjustment nut moves forward and backward, coping screw one end roof pressure is in the groove of the square steel of cotter axle, then drive square steel and cotter axle swing, since square steel and cotter axle cog with (preceding) (to) be weld together, can allow relatively move between this gear mesh, thereby the degree of dip of workplatform be changed (inclination angle obtains adjustment).Compared with the prior art, the utility model can quickly and easily on the basis, further strengthen the accuracy and the stability of this maintenance car dismounting at the dismounting safety labor-saving when making dismounting backteeth bag, make the maintenance of high quality fast assembling-disassembling be able to more smooth and easy carrying out.

Below in conjunction with accompanying drawing embodiment concrete structure of the present utility model is described in further detail.

Fig. 1 is a kind of integral structure scheme drawing of the present utility model.

Wherein: profile of tooth band iron before the 1-, 2-is welded in the nut on the profile of tooth band iron, the detachable screw erecting frame of 3-, 4-is the adjustable screw used of backteeth bag fixedly, the movable flexible long shaft rod of 5-(interior pipe box), 6-constitutes (outward) sleeve pipe of workplatform load-bearing bridge, 7-fixed length axostylus axostyle opening latch, 8-constitutes the left lateral pin cover of articles-holding plate, and 9-constitutes the right lateral pin cover of articles-holding plate, profile of tooth band iron behind the 10-, 11-constitutes the upper support connecting rod of movable telescopic frame, the 12-screw mandrel, and 13-constitutes the lower support connecting rod of movable telescopic frame, 14-vehicle frame base, 15-cog to (divide left gear to right gear to), the 16-degree of dip is regulated with cotter axle (be actively socketed on left lateral pin overlap in), 17-is with Baltimore groove square steel (being fixed on the cotter axle), the 18-lower gear is right, the 19-degree of dip is regulated and is used the screw frame, and the 20-degree of dip is regulated and used nut, and the 21-degree of dip is regulated with screw (screw rod), 22-trundle (cardan wheel), 23-screw mandrel head end fork shape connects groove (being used to connect the screw mandrel rocking handle).

With reference to accompanying drawing as can be known, the utility model also can have following some technical characterictic when specific design is made:

One, the latch 7 (spring cotter) that on described sleeve pipe 6, can be furnished with fixed length axostylus axostyle 5 (inner sleeve) position in this sleeve pipe.

Two, described forward and backward profile of

tooth band iron

1 and 10 is ends that are separately fixed at long shaft rod 5 and sleeve pipe 6, and adjustable screw 4 that described fixedly backteeth bag bead is used and erecting frame 3 thereof are to be fixed on the preceding profile of tooth band iron 1.

Three, the nut 20 of described formation workplatform (articles-holding plate) degree of dip adjusting mechanism and screw 21 thereof are that captive joint (as welding) overlaps on the screw frame 19 of 8 one ends in left lateral pin, also are provided with square steel 17, the screw 21 that can contact (contacting) with degree of dip governing screw 21 at an end of cotter axle 16 and can contact on the groove of square steel 17.

Claims

1, a kind of multifunctional lifting formula maintenance chassis car, it comprises workplatform, vehicle frame base (14), between workplatform and vehicle frame base, be provided with two groups by support link (11 up and down, 13) be hinged to the movable telescopic frame of diamond shaped structure, the place's activity of two diagonal angles is equipped with by screw mandrel about rhombus movable telescopic frame, the spiral lifting mechanism that nut constitutes, the member that wherein constitutes workplatform is two lateral pin covers (8 by the two load-bearing bridges in front and back with about being connected to a fixed with it, 9) form, profile of tooth band iron (1 before and after on workplatform, also being fixed with, 10) and the fixing detachable governing screw (4) used of backteeth bag bead, it is characterized in that the two load-bearing bridges in described front and back are again by the sleeve pipe (6) and the structure of the scalable adjustment of the long shaft rod of pivot bush unit (5) formation-length with it, two lateral pin covers about described workplatform, go back movable sleeve in the left lateral pin cover (8) therein and be connected to a cotter axle (16), between cotter axle (16) and left lateral pin cover (8), be provided with the workplatform degree of dip adjusting mechanism that nut-screw constitutes, be provided with and intermeshingly cog to (15) at cotter axle (16) and right lateral pin cover (9) two ends.

2, multifunctional lifting formula maintenance chassis car according to claim 1 is characterized in that can being furnished with the opening latch (7) of fixed length axostylus axostyle (5) position in this sleeve pipe on described sleeve pipe (6).

3, multifunctional lifting formula maintenance chassis car according to claim 1, it is characterized in that described forward and backward profile of tooth band iron (1,10) is an end that is separately fixed at long shaft rod (5) and sleeve pipe (6), adjustable screw (4) that described fixedly backteeth bag bead is used and erecting frame (3) thereof are to be fixed on the preceding profile of tooth band iron (1).

4, multifunctional lifting formula maintenance chassis car according to claim 1, the nut (20) and the screw (21) thereof that it is characterized in that described formation workplatform degree of dip adjusting mechanism are to be fixedly connected on the screw frame (19) of left lateral pin cover (8) one ends, also are provided with and can contact on the groove of square steel (17) with square steel (17), the screw (21) that degree of dip governing screw (21) contact at an end of cotter axle (16).