CN2467363Y

CN2467363Y - Tool vehicle for lifting vehicle for maintaining chassis

Info

Publication number: CN2467363Y
Application number: CN 01210565
Authority: CN
Inventors: 程章麟
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-14
Filing date: 2001-02-14
Publication date: 2001-12-26
Anticipated expiration: 2011-02-14

Abstract

The utility model relates to a lifting type tool vehicle for maintaining a chassis of a vehicle. The utility model is characterized in that two sets of movable expansion brackets with a diamond-shaped structure are arranged between a work platform and a base of a vehicle frame, and the movable expansion brackets is formed by support connecting rods hinging together; lead screws and screw nuts are movably arranged at the point of the left and the right opposite angles of the diamond-shaped movable expansion brackets to form a spiral lifting mechanism; the lead screws are rotated forwards and backwards, the diamond-shaped movable expansion brackets and the work platform on the diamond-shaped movable expansion brackets can simultaneously be driven to do synchronous lifting movement up and down. The lowest height of the utility model can be lowered to approximately 11 cm, and the utility model can be lifted to approximately 60 cm. The utility model has the advantages of simple structure, small size, and convenient portability; besides, when used for loading and unloading all assemblies of a chassis (especially a rear tooth packet), the utility model has the advantages of convenient and accurate adjustment, fast operation, and high safety.

Description

Lifting type automobile maintenance chassis rolling cart

The utility model relates to a kind of car mechanic's tool, particularly a kind of car chassis maintenance rolling cart that is provided with the lifting mode bench board is mainly as the loading and unloading of heavy assemblies such as automobile chassis transmission case, backteeth bag, the operating maintenance instrument usefulness that supports and transport etc.

At present, when servicing a car, the automobile chassis transmission case, parts such as backteeth bag (diff) transmission shaft, its weight often surpass manpower the ability that can bear, these assemblies are in automobile bottom specific position again simultaneously, very difficult usefulness hand is pickaback lifted, adopt special tool to operate, as being to adopt a plurality of portable jacks when the service tools at present, have many unsatisfactory places: the height dimension as the jack lifting is limited, at the dolly chassis change speed gear box of dismounting than low level, during the backteeth bag, because of jack dip limited (can only reduce to the 15cm height), from the turnover inconvenience of car bottom, the truck chassis change speed gear box that the higher position is arranged in dismounting, during the backteeth bag, often need jack glove platform to rise to reach about the 60cm height normal dismounting height, and this height is that traditional jack institute is inaccessiable.In addition, when dismounting, be difficult to be consistent with several jack adjustable heights simultaneously, just be difficult to the stability and the accuracy of control removable member to be installed, cause maintenance work time-consuming hard, influence work efficiency and safety.

The purpose of this utility model is a kind of lifting type automobile maintenance chassis rolling cart of design, make when utilizing it to service a car chassis assembly (change speed gear box, backteeth pack assembly etc.), have dismounting laborsaving, install fast, accurate effect (also can work as one ton of jack use) easily again.

The utility model is realized with following technical scheme: it comprises workplatform and the vehicle frame base that is used to put each assembly of car chassis, also be provided with dolly wheel (cardan wheel) at base, it is characterized in that: between workplatform and vehicle frame base, be provided with two groups of movable telescopic framves (also can claim the flexible group of parallelogram frame) that are hinged to the diamond shaped structure by support link, the place's activity of two diagonal angles is equipped with a screw mandrel about rhombus movable telescopic frame, nut is to constitute a spiral lifting mechanism, when forward and reverse rotary screw rod (need only with hand rotary screw rod rocking handle get final product), the workplatform (glove platform) that can drive two groups of rhombus movable telescopic framves and top thereof simultaneously does up and down that synchronization lifting moves (or liter or fall mobile).

Workplatform minimum altitude of the present utility model can drop to has only the 11cm height approximately, and topnotch can be increased to about 60cm, be traditional jack can not accomplish, can overcome again in the use because of a plurality of jacks are difficult to the unified problem of adjusting height, therefore, compared with the prior art, have simple in structure, volume is little, is easy to carry, and moves (base has four cardan wheels) flexibly, when being used for each assembly of dismounting car chassis (especially backteeth bag), easy to adjust, accurate, swift to operate, safety is good.The jack that also can do 1 ton uses.

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

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

Fig. 2 is the structural representation behind the workplatform decline certain altitude of this rolling cart.

Wherein: the cross bar frame of 1～formation workplatform, 2～anti-slop serrations shape band iron, 3～back odontoid band iron, the detachable back that 4～dismounting backteeth bag is used is adjusted screw rod and (is also claimed the back radius stay, movable being connected on the odontoid band iron of back), 5～fine adjustment screw (positioning lead screw), 6～be fixed in the cover of having strong market potential (also claiming the major axis cover) on the workplatform, 7～dismounting change speed gear box with about the detachable screw rod (also claiming left and right sides radius stay) of adjusting, 8～fine adjustment screw (positioning lead screw), 9～preceding odontoid band iron (being an arc tooth band iron), 10～upward (length) bearing pins, 11～gear mesh, 12～rhombus movable telescopic frame (also claiming the flexible group of parallelogram frame), the boxed rod of 13～formation rhombus movable telescopic frame, 14～screw mandrel, 15～(left side) feed screw nut is (on the axle of having strong market potential in the middle part of being fixedly welded on, flexibly connect with the screw mandrel left end), 16～reinforcement gusset, 17～the left side that is arranged in the middle part axle (also claim a bearing pin) of having strong market potential, the lower link of 18～formation rhombus movable telescopic frame, 19～the cover (being welded on the lower link) of having strong market potential, 20～pony sill, 21～cardan wheel (trundle), 22～down (length) bearing pins (be fixed on the pony sill, constitute the cross bar frame of pony sill), 23～gear mesh, 24～be positioned at the right side axle of having strong market potential at middle part, 25～screw mandrel head end nut (being fixed on the screw mandrel right-hand member), 26～planar axes bearing (be fixedly welded on the right side, middle part have strong market potential axle on), 27～screw mandrel head end fork shape connects groove (being used to connect the curved boom crank), 28～curved boom crank (being the screw mandrel rocking handle).

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

One, the support upper and lower strut of two groups of rhombus movable telescopics of described formation frame 12, its place, diagonal angle, left and right sides be (by guide separately) in the middle of being movably articulated in about have strong market potential on the

axle

17,24, two feed screw nuts captive joint (as welding) respectively (are annotating: also can be fixed with on two axles of having strong market potential about the centre and strengthen gusset 16) on the axle of having strong market potential about the centre.

Two, the lower link 18 of two groups of rhombus movable telescopics of described formation frame 12 place, diagonal angle of (end) thereunder, be 19 to be movably articulated on two lower bearing pins 22 of pony sill 20 by captive joint the cover of having strong market potential of (welding) with self separately, also can be provided with the gear mesh 23 of can be meshing with each other (interlock) at the two ends of the every cover 19 of having strong market potential.This gear mesh can play the effect that prevents the lower link double swerve, increases the stability of pony sill.

Three, the support of two groups of rhombus movable telescopics of described formation frame 12 with boxed rod 13 above it the place, diagonal angle of (end) be separately by captive joint with self (welding) two go up (length) bearing pins 10 and be movably articulated in respectively on two covers of having strong market potential (major axis cover) 6 of workplatform, the two ends of (length) bearing pin 10 also can be provided with the gear mesh 11 of be meshing with each other (interlock) on every, this gear mesh can play the function that prevents the boxed rod double swerve, increases the stability of workplatform.

Four, described liftable workplatform is made of two load-bearing cross bar framves 1, workplatform be the cross bar frame front and back each fix (welding) one to two anti-slop serrations shape band iron 2 arranged, its thereon opposed object can play fixing (firmly) to be supported and prevents that object from sliding and drop on the ground.

Five, also can be about being movably set with on two side positions of the middle part of described workplatform two be used for the detachable adjustment screw rod 7 that dismounting chassis change speed gear box is used, the top also can be provided with fine adjustment screw 8 above this screw rod, two detachable functions of adjusting screw rod are about being provided with: can pull down when placing the object of larger volume need not, in order to avoid influence the placement of big part object, but when when change speed gear box is placed in dismounting, then it can be loaded onto and be used for preventing the change speed gear box double swerve, use the fine adjustment screw at its top to also help to allow change speed gear box accurate location on workplatform, guarantee that dismounting is fast accurate.Also can be equiped with one in addition and be used for the detachable back adjustment screw rod 4 that fixed disassembly backteeth bag is used in workplatform rearward end (promptly on back odontoid band iron 3) activity, the top also can be provided with a fine adjustment screw 5 above this adjustment screw rod, when dismounting backteeth bag, this fine adjustment screw can be inserted in the backteeth bag afterbody flange bolts hole and position, and behind (screwing on) nut location on the bead other end band, can be with the reliable dismounting of backteeth bag, thereby can play auxiliary fixedly backteeth bag effect.

Claims

1, a kind of lifting type automobile maintenance chassis rolling cart, it comprises workplatform and the vehicle frame base that is used to put each assembly of car chassis, it is characterized in that: between workplatform and vehicle frame base, be provided with two groups of movable telescopic framves (12) that are hinged to the diamond shaped structure by support link, the place's activity of two diagonal angles is equipped with a screw mandrel, nut to constitute a spiral lifting mechanism about rhombus movable telescopic frame, when forward and reverse rotary screw rod (14), the workplatform that can drive two groups of rhombus movable telescopic framves (12) and top thereof simultaneously does up and down that synchronization lifting moves.

2, lifting type automobile maintenance chassis rolling cart according to claim 1, the support upper and lower strut that it is characterized in that described formation two groups of rhombus movable telescopics frame (12), be movably articulated on the axle (17,24) of having strong market potential about the centre at its place, diagonal angle, left and right sides, two feed screw nuts (15,25) are fixedly connected on respectively on the axle of having strong market potential about the centre.

3, lifting type automobile maintenance chassis rolling cart according to claim 1, lower link (18) place, diagonal angle thereunder that it is characterized in that described formation two groups of rhombus movable telescopics frame (12) is movably articulated on two lower bearing pins (22) of pony sill (20) by the cover (19) of having strong market potential of captiveing joint with self separately, every have strong market potential cover (19) but two ends also can be provided with pitch wheel to (23).

4, lifting type automobile maintenance chassis rolling cart according to claim 1, the support that it is characterized in that described formation two groups of rhombus movable telescopics frame (12) is to be movably articulated in respectively on two covers (6) of having strong market potential of workplatform by two upper pins (10) of captiveing joint with self separately with boxed rod (13) place, diagonal angle above it, also can be provided with pitch wheel to (11) at the two ends of every upper pin (10).

5, lifting type automobile maintenance chassis rolling cart according to claim 1 is characterized in that being made of two load-bearing cross bar framves (1) at described workplatform, respectively is fixed with one to two anti-slop serrations shape band iron (2) in the front and back of this cross bar frame.

6, lifting type automobile maintenance chassis rolling cart according to claim 1, it is characterized in that also can be about being movably equipped with on two side positions of the middle part of workplatform two be used for the detachable adjustment screw rod (7) that dismounting chassis change speed gear box is used, the top also can be provided with fine adjustment screw (8) above this screw rod, also can be equiped with one in the activity of going up of the back odontoid band iron (3) of workplatform rearward end in addition and be used for the detachable back adjustment screw rod (4) that fixed disassembly backteeth bag is used, the top also can be provided with a fine adjustment screw (5) above this adjustment screw rod.