CN202848978U

CN202848978U - Multipurpose lifting frame

Info

Publication number: CN202848978U
Application number: CN201220460666.1U
Authority: CN
Inventors: 周浩良
Original assignee: Hangzhou Tianheng Machine Co Ltd
Current assignee: Hangzhou Tianheng Machine Co Ltd
Priority date: 2012-09-11
Filing date: 2012-09-11
Publication date: 2013-04-03
Anticipated expiration: 2022-09-11

Abstract

The utility model relates to a multipurpose lifting frame. The multipurpose lifting frame can effectively fix a vehicle and has the advantages of being multipurpose, simple in structure, highly safe and convenient to use. The multipurpose lifting frame comprises a base, a support frame pillar which is vertically fixed on the base and a lifting mechanism arranged on the support frame pillar. The lifting mechanism comprises two four-connection-rod mechanisms symmetrically arranged at left and right sides of the support frame pillar and moving at a vertical plane, lifting trays arranged at front ends of the two four-connection-rod mechanisms and oil cylinder mechanisms arranged on a pillar and exerting force on two rear ends of the two four-connection-rod mechanisms. The multipurpose lifting frame is characterized in that detachable U-shaped pipes used for supporting vehicle wheels are respectively assembled at left and right sides of the lifting tray and two support feet which can adjust the distance in between are arranged on the base.

Description

A kind of high-mobility, multipurpose, wheeled vehicle hoisting rack

Technical field

The utility model relates to the hoisting rack of the small-sized walking machine maintenance usefulness of a kind of Mechanical Help equipment, especially lawnmower and motor bike and so on.

Background technology

In the car inspection and maintenance process, often need first vehicle jack-up to be repaired, then the repairman enters under-vehicle vehicle is keeped in repair.Existing jack can hold up vehicle to certain height, but insufficient height; Though and conventional hoisting rack energy lifting motor bike makes maintainer side under car carry out work; But when the vehicle of maintenance lawnmower and so on, often stability, reliability are inadequate, have brought some inconvenience to maintenance, also exist certain potential safety hazard.

The utility model content

The purpose of this utility model is the deficiency that overcomes in the above-mentioned background technology, and a kind of improvement of hoisting rack is provided, and this hoisting rack is fixed vehicle effectively, also serves many purposes simultaneously, characteristics simple in structure, safe, easy to use.

For realizing above purpose, the utility model has adopted following technical scheme:

A kind of high-mobility, multipurpose, wheeled vehicle hoisting rack comprises base, vertically is fixed on the bracket upright post on the base and be arranged on lifting mechanism on the bracket upright post; Described lifting mechanism comprises the pallet and be installed on the pillar and to the oil cylinder mechanism of the rear end application of force of two four-bar linkages, it is characterized in that: the left and right sides of the described pallet that hoists is furnished with respectively the U-shaped pipe that a detouchable is used for the holding vehicle tyre of hoisting that is arranged symmetrically in the bracket upright post left and right sides and two four-bar linkages that move in perpendicular, is installed in two four-bar linkage front ends; Be furnished with two on the described base and can regulate the each other leg of distance.

Described four-bar linkage comprises successively connecting arm, main lifting arm, secondary lifting arm, the bracket upright post of hinged rear formation closed figure from beginning to end, and described connecting arm is parallel with bracket upright post and be that two four-bar linkages share; The described pallet that hoists is horizontally fixed on the connecting arm.

Described oil cylinder mechanism comprise two ends be hinged on respectively on the bracket upright post and the oil cylinder of two main lifting arm rear ends, to the oil pump of aforementioned oil cylinder fuel feeding and force in the handle that oil pump makes its motion.

The two ends of described base respectively symmetry are installed with two leg support tubes that connect side by side, and described leg is removably pegged graft with the leg support tube and cooperated, and other has latch structure that leg is positioned on the leg support tube.

Described hoisting rack also disposes a safety mechanism; This safety mechanism comprises that several transverse crossing bracket upright post and the insurance pin-and-hole that vertically distributes each other and cooperate the safety plug that stops main lifting arm to descend with aforementioned insurance pin-and-hole grafting.

The rear side of described base is equipped with two road wheels, and the top of described bracket upright post is equipped with handrail.

Principle of work of the present utility model is:

When repairing four wheeler (for example lawnmower), leg is plugged in the second leg support tube 15-2 and by latch and fixes, and a U-shaped pipe is assembled respectively in the pallet both sides that hoist, and two wheels of vehicle sail in the U-shaped pipe; After pulling handle, the piston rod on the oil cylinder extends jack-up master lifting arm down, and according to the motion characteristics of four-bar linkage, connecting wall can drive the pallet that hoists and rise straight up, thus monolateral jack-up vehicle (wheel namely is inserted in the U-shaped pipe by card); After vehicle rises to desired height, safety plug can be inserted in the insurance pin-and-hole on the bracket upright post, prevent that main lifting arm from descending;

When repairing motor bike, leg is plugged in the first leg support tube 15-1 and by latch and fixes, and unloads U-shaped pipe, with the direct frame of motor bike on the pallet that hoists; After pulling handle, the piston rod on the oil cylinder extends jack-up master lifting arm down, and according to the motion characteristics of four-bar linkage, connecting wall can drive the pallet that hoists and rise straight up, thus the jack-up vehicle; After vehicle rises to desired height, safety plug can be inserted in the insurance pin-and-hole on the bracket upright post, prevent that main lifting arm from descending.

The beneficial effects of the utility model are:

The utility model can be at the vertical direction height that vehicle jack-up is suitable, except the vehicle of direct lifting motor bike and so on places under repair, also increased the function (by two wheels of the effective holding lawnmower of U-shaped pipe) of lifting lawnmower, make things convenient for the maintenance of vehicle, improved the safety performance of maintenance work.In addition, the utility model also disposes safety mechanism, also can not drop even run out of steam suddenly, has further guaranteed safety.

Description of drawings

Fig. 1 is main TV structure scheme drawing of the present utility model.

Fig. 2 is left TV structure scheme drawing of the present utility model.

Fig. 3 is perspective view of the present utility model.

Fig. 4 is the perspective view after the utility model unloads the pallet that hoists.

Fig. 5 is the plan structure scheme drawing of leg in the utility model.

Fig. 6 is the structural representation of U-shaped pipe in the utility model.

The specific embodiment

Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model is not limited to following examples.

As shown in the figure, comprise base 1, vertically be fixed on the bracket upright post 2 on the base and be arranged on lifting mechanism on the bracket upright post; The rear side of base is provided with two road wheels 12, and the top of described bracket upright post is provided with handrail 13, so that the maintainer can promote this hoisting rack easily, as shown in Figure 3.

Described lifting mechanism comprises two four-bar linkages that are arranged symmetrically in the bracket upright post left and right sides and move in perpendicular, described four-bar linkage comprises successively connecting arm 6, main lifting arm 7, secondary lifting arm 8, the bracket upright post of hinged rear formation closed figure from beginning to end, and described connecting arm is parallel with bracket upright post and be that two four-bar linkages share.In described four-bar linkage: main lifting arm 7 and secondary lifting arm 8 stretch out towards hoisting rack the place ahead that (main lifting arm is positioned at secondary lifting arm below, main lifting arm bears main pressure, secondary lifting arm helps out), and main lifting arm be connected that lifting arm is arranged in parallel and both front ends connect by a connecting arm 6; Described two lanar four rod mechanism (conventional mechanisms, its principle of work does not describe in detail) in, the left side lifting arm is connected to keep two lanar four rod mechanisms to be synchronized with the movement with front end between the lifting arm of right side by two (also can be many) jointed shafts, and the rear end is hinged on the bracket upright post by two swivel pin 2-2.In described two jointed shafts, the left end of the first jointed shaft 11-1 is hinged with connecting arm and the main lifting arm in left side, and right-hand member is hinged with connecting wall and the main lifting arm on right side; The left end of the second jointed shaft 11-2 is hinged with connecting arm and the secondary lifting arm in left side, and right-hand member is hinged with connecting arm and the secondary lifting arm on right side.Therefore, the four-bar linkage on the four-bar linkage in left side and right side can keep synchronized movement.

The front end of described two four-bar linkages also is equipped with the pallet 3 that hoists, the described pallet that hoists is horizontally fixed on the connecting arm, the left and right sides of the described pallet that hoists is furnished with respectively a detouchable and can changes according to wheel size for the size of the U-shaped pipe 4(U type pipe of holding vehicle tyre), U-shaped pipe is fixed on the pallet outside that hoists by an adapter plate 4-1.Also be shaped with the hoist mounting hole 3-1 that is used for fixing described adapter plate of pallet of several lateral penetration on this pallet that hoists, also be shaped with corresponding mating holes 4-2 on the described adapter plate.

Also be furnished with two on the described base and can regulate the each other leg 5 of distance, the two ends of base are symmetrical two the leg support tubes that connect side by side (being positioned at the second inboard leg support tube 15-2 and the first leg support tube 15-1 that is positioned at the outside) that are installed with respectively, described leg is removably pegged graft with the leg support tube and is cooperated, according to the difference of vehicle to be repaired, leg can insert in the different leg support tubes; For example: when repairing lawnmower, for the wheel that makes vehicle sails in the U-shaped pipe smoothly, prevent the interference of leg and rear wheel, therefore two legs are inserted respectively in two the second leg support tubes and (make two width between the leg less than the distance of two trailing wheels); When repairing motor bike, two legs are inserted respectively in two the first leg support tubes, two width between the leg are strengthened, can so that the center of gravity of whole hoisting rack is more stable, improve safety.In addition, a latch structure also being set is positioned at leg on the leg support tube; Specifically make a pin hole 10-1 at the top of each leg support tube, the top of leg end also is shaped with a corresponding hole 10-2, other has a latch 10-3 to pass through respectively to be positioned at behind described pin hole and the hole in the leg with spacing to leg, prevents that leg is arbitrarily mobile.

Described lifting mechanism comprises that also one is installed on the pillar and to the oil cylinder mechanism of the rear end application of force of two four-bar linkages, described oil cylinder mechanism comprises that two ends are hinged on respectively on the bracket upright post and the oil cylinder 9-1 of two main lifting arm rear ends, to the oil pump of aforementioned oil cylinder fuel feeding and force in the handle 9-2 that oil pump makes its motion, piston rod 9-3 on the oil cylinder arrange up and and the top of bracket upright post between cross bar 2-1 hinged, the staff pulls the described main lifting arm of the downward pushing tow of handle primary piston bar, according to the motion characteristics of four-bar linkage, connecting wall can drive the pallet that hoists and rise straight up.

Described hoisting rack also disposes a safety mechanism; This safety mechanism comprises several transverse crossing bracket upright post and quantity and the distance between them of the insurance pin-and-hole 13-1(insurance pin-and-hole that distributes each other vertically can be determined according to actual needs) and one peg graft with aforementioned insurance pin-and-hole and to cooperate to stop the safety plug 13-2 of main lifting arm decline.If when producing emergency situations, owing to there is safety plug to bear the pressure of main lifting arm, main lifting arm is limited at original position, can prevent that dangerous situation from producing, and guarantees safety.

Claims

1. high-mobility, multipurpose, wheeled vehicle hoisting rack comprises base (1), vertically is fixed on the bracket upright post (2) on the base and be arranged on lifting mechanism on the bracket upright post; Described lifting mechanism comprises and is arranged symmetrically in the bracket upright post left and right sides and two four-bar linkages that move, the pallet that hoists (3) that is installed in two four-bar linkage front ends and is installed on the pillar and to the oil cylinder mechanism of the rear end application of force of two four-bar linkages, it is characterized in that: the left and right sides of the described pallet that hoists is furnished with respectively the U-shaped pipe (4) that a detouchable is used for the holding vehicle tyre in perpendicular; Be furnished with two on the described base and can regulate the each other leg of distance (5).

2. a kind of high-mobility, multipurpose, wheeled vehicle hoisting rack according to claim 1, it is characterized in that: described four-bar linkage comprises successively connecting arm (6), main lifting arm (7), secondary lifting arm (8), the bracket upright post of hinged rear formation closed figure from beginning to end, and described connecting arm is parallel with bracket upright post and be that two four-bar linkages share; The described pallet that hoists is horizontally fixed on the connecting arm.

3. a kind of high-mobility, multipurpose, wheeled vehicle hoisting rack according to claim 2 is characterized in that: described oil cylinder mechanism comprise two ends be hinged on respectively on the bracket upright post and the oil cylinder (9-1) of two main lifting arm rear ends, to the oil pump of aforementioned oil cylinder fuel feeding and force in the handle (9-2) that oil pump makes its motion.

4. a kind of high-mobility, multipurpose, wheeled vehicle hoisting rack according to claim 3, it is characterized in that: the two ends of described base respectively symmetry are installed with two leg support tubes that connect side by side, described leg is removably pegged graft with the leg support tube and is cooperated, and other has latch structure that leg is positioned on the leg support tube.

5. a kind of high-mobility, multipurpose, wheeled vehicle hoisting rack according to claim 4, it is characterized in that: described hoisting rack also disposes a safety mechanism; This safety mechanism comprises that several transverse crossing bracket upright post and the insurance pin-and-hole (13-1) that vertically distributes each other and cooperate the safety plug (13-2) that stops main lifting arm to descend with aforementioned insurance pin-and-hole grafting.

6. a kind of high-mobility, multipurpose, wheeled vehicle hoisting rack according to claim 5, it is characterized in that: the rear side of described base is equipped with two road wheels (12), and the top of described bracket upright post is equipped with handrail (13).