CN210595090U

CN210595090U - Lifting device for traction flat car

Info

Publication number: CN210595090U
Application number: CN201921114018.9U
Authority: CN
Inventors: 王云飞; 杨雪松; 邵伟; 刘敏; 薛振见
Original assignee: Anhui Heli Co Ltd
Current assignee: Anhui Heli Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-22
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a lifting device for a traction flat car, which comprises a lifting frame mechanism, a lifting frame mechanism and a lifting frame mechanism, wherein the lifting frame mechanism is used for installing the traction flat car and driving the traction flat car to move up and down; the lifting mechanism is used for driving the lifting frame mechanism to move up and down; the hoisting frame mechanism comprises: the two ends of the cross beam frame assembly are respectively arranged on the lifting mechanism; at least four suspension assemblies for horizontally placing the traction flat car are arranged on the plurality of cross beam assembly assemblies in a rectangular shape. The lifting device for the traction flat car is provided with four lifting frame mechanisms and a lifting mechanism for driving the lifting frame mechanisms to move up and down, is used for lifting the traction flat car, solves the problems of inconvenience in painting and maintenance and low efficiency of the flat car, is comfortable to operate, and has good stability; the protection plate is adopted, so that the safety of the operator can be ensured, and accidents are prevented.

Description

Lifting device for traction flat car

Technical Field

The utility model relates to a traction flat car lifts by crane technical field, concretely relates to play to rise device for traction flat car.

Background

The traction flat car (hereinafter referred to as flat car) is widely used for material transfer in ports, docks, airports, stations and other occasions and is pulled by a tractor during working. Because the flat car is long (5-20 m), the chassis is low, the weight span is large (2-20 t), workshop operators are very difficult to paint the bottom of the flat car, assemble parts and overhaul the chassis, usually, the operators are usually operated by drilling under the car body and lying, the postures of the operators are unnatural, the operators are easy to fatigue, and the efficiency is very low; meanwhile, because the bottom space is small, the flowability of air is poor when the painting operation is carried out, which is unfavorable for the health of operators; through investigation, it is found that the flat car is the most suitable operation mode if the flat car can be hoisted to carry out painting and maintenance operations. At present, no special device capable of lifting the flat car is arranged at home and abroad, and in the actual operation process, the flat car is often lifted by a lifting crane for related operation, but due to the poor lifting stability of the crane, certain potential safety hazards exist in the following operation of staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a play to rise device for drawing flatbed.

In order to achieve the above object, the utility model provides a following technical scheme: a hoist for a traction flat car comprising:

the lifting frame mechanism is used for installing the traction flat car and driving the traction flat car to move up and down;

the lifting mechanism is used for driving the lifting frame mechanism to move up and down;

the hoisting frame mechanism comprises:

the two ends of the cross beam frame assembly are respectively arranged on the lifting mechanism;

at least four suspension assemblies for horizontally placing the traction flat car are arranged on the plurality of cross beam assembly assemblies in a rectangular shape.

Preferably, the lifting mechanism comprises a column assembly and a drive assembly mounted on the column assembly and connected with the beam assembly.

Preferably, the upright post component comprises an upright post with a steel groove in the middle and an oil cylinder supporting seat arranged at the bottom end in the steel groove.

Preferably, the driving assembly comprises a lifting oil cylinder which is arranged in the steel groove and fixed on the oil cylinder supporting seat, and a lifting block which is arranged in the steel groove and connected with the lifting oil cylinder.

Preferably, the beam frame assembly comprises a beam, two ends of which are fixed on the lifting block, baffle plates arranged at two ends of the beam, and limit pin fixing plates arranged on two sides of the beam and used for limiting the suspension assembly.

Preferably, the suspension assembly comprises a hook, a main roller arranged at the top of the hook and used for realizing the movement of the hook on the beam, and a side roller arranged at the side edge of the hook and used for limiting the hook on the beam.

Preferably, the upright post is provided with a protection plate which is positioned at the lower end of the cross beam and used for preventing the cross beam from falling.

Preferably, friction blocks are arranged on two sides of the lifting block, which are in contact with the steel groove.

Preferably, the hook is L-shaped.

According to the above technical scheme, the utility model discloses following beneficial effect has:

the lifting device for the traction flat car is provided with four lifting frame mechanisms and a lifting mechanism for driving the lifting frame mechanisms to move up and down, is used for lifting the traction flat car, solves the problems of inconvenience in painting and maintenance and low efficiency of the flat car, is comfortable to operate, and has good stability; the protection plate is adopted, so that the safety of the operator can be ensured, and accidents are prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the cross beam assembly of the present invention;

FIG. 3 is a schematic structural view of the suspension assembly of the present invention;

FIG. 4 is a schematic structural view of the pillar assembly of the present invention;

fig. 5 is a schematic structural view of the driving assembly of the present invention;

FIG. 6 is a schematic view of the lifting block structure of the present invention;

fig. 7 is a schematic view of the working state structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a technical solution: a lifting device for a traction flat car comprises a lifting frame mechanism 1 and a lifting mechanism 2, wherein the lifting frame mechanism comprises two cross beam frame assemblies 110 and four suspension assemblies 120, each cross beam frame assembly comprises two cross beams 111, baffle plates 112 arranged at two ends of each cross beam, and limiting pin fixing plates 113 arranged at the upper ends of two sides of each cross beam, and a plurality of through holes 114 are formed in the limiting pin fixing plates, as shown in figure 2; every two suspension assemblies 120 are placed on a beam, four suspension assemblies are arranged in a rectangular mode, each suspension assembly comprises a hook 121, a main roller 122 and side rollers 123, each hook is in an L shape, the tops of two L-shaped steel plates are welded horizontally, each hook is sleeved on the corresponding beam, the main rollers are installed on the top ends of the corresponding hooks and are in contact with the corresponding beam, the side rollers are installed on two sides of each hook, the side rollers penetrate through side plates of the corresponding hooks, the side rollers are attached to the corresponding beams, the main rollers and the side rollers can conveniently move on the corresponding beams, meanwhile the side rollers can also play a limiting role of the corresponding hooks on the corresponding beams, and the hooks are prevented from shaking on the corresponding beams, and the hook is shown in figure 3.

The lifting mechanism comprises a vertical column assembly 210 and a driving assembly 220, the vertical column assembly 210 comprises a vertical column 211 and an oil cylinder supporting seat 212, a steel groove 213 is formed in the middle of the vertical column, the steel groove penetrates through the upper end and the lower end of the vertical column, the vertical column is arranged on a bottom plate, the oil cylinder supporting seat is arranged at the bottom end of the steel groove, two fixing plates 214 are arranged on two symmetrical sides of the vertical column, and the two fixing plates are respectively arranged at positions 1.8m and 2.m away from the bottom surface of the vertical column, as shown in fig. 4; the driving assembly 220 comprises a lifting oil cylinder 221 and a lifting block 222, the lifting oil cylinder is fixed on an oil cylinder supporting seat through a cylinder head 221-1 and vertically arranged in a steel groove of the upright column, and an oil cylinder fixing flange 221-2 is welded at the upper end of the outer surface of the lifting oil cylinder, as shown in fig. 5; the friction blocks 222-1 are arranged on the two corresponding sides of the lifting block 222, the friction blocks are attached to the inner groove surface of the groove, the up-and-down movement resistance is reduced, the left and right sides and the front and back sides of the lifting block are positioned, and beam limiting blocks 222-2 are arranged at the upper ends of the two attached sides of the lifting block and the groove, as shown in fig. 6; the lifting block is sleeved on the lifting oil cylinder and is fixed on the lifting oil cylinder through the oil cylinder fixing flange, so that the lifting oil cylinder can drive the lifting block to move up and down in the steel groove.

Be provided with guard plate 3 on the stand, the guard plate passes through the hinge pin to be fixed on the fixed plate, and the guard plate can do 300 rotations around the hinge pin.

The working process is as follows: at first pass through the baffle with the both ends of crossbeam and crossbeam stopper card on the elevator, realize the crossbeam location all around on the elevator, overlap two and hang the subassembly on a crossbeam, totally two crossbeams, carry out position control according to actual traction flatbed 6, it is the rectangle to hang the subassembly this moment and arranges, with the help of the spacer pin fixed plate on the crossbeam, utilize the spacer pin to insert in the through-hole of spacer pin fixed plate, it is spacing to installing the couple on the crossbeam, prevent that the couple horizontal slip from taking place the unbalance loading, reduce the potential safety hazard, then borrow the couple on the crossbeam, will pull dull and stereotyped level and place on four couples. The explosion-proof motor system 4 is used as a power source to drive the hydraulic pump 5 to supply oil to the four lifting cylinders to work, the four lifting cylinders are ensured to be lifted synchronously by a multi-cylinder synchronization technology, the lifting cylinders are provided with speed limiting valves, and the speed limiting valves play a role in extreme conditions if accidents such as pipe explosion happen to the hydraulic system, so that the four lifting cylinders lifting and towing the flat car cannot fall rapidly, and sufficient leaving and avoiding time can be provided for following operators. The lifting oil cylinder is lifted, the lifting block arranged on the lifting oil cylinder is driven to lift, the lifting block lifts to drive the cross beam connected with the lifting block to lift, the cross beam drives the traction flat car connected with the hook and the hook, a lifting protection plate is fixed on a fixing plate through a hinge pin, the protection plate is horizontally arranged on one side, provided with a groove, of the stand column, as shown in figure 7, as the height of the fixing plate is 1.8m and 2.m, the protection plate is arranged on the fixing plate at the height of 1.8m or 2.m as required, after the traction flat car is lifted to the position of 1.8m or 2.0, the protection plate can rotate 300 degrees around the hinge pin and can rotate to the lower end of the cross beam, and if the cross beam descends due to accidental faults such as lifting oil cylinder damage, the protection plate can support the cross beam and prevent the protection plate from.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hoist for a traction flat car comprising:

the hoisting frame mechanism comprises:

2. A hoist for a traction flat car according to claim 1, characterized in that: the lifting mechanism comprises a stand column assembly and a driving assembly which is arranged on the stand column assembly and connected with the cross beam assembly.

3. A hoist for a traction flat car according to claim 2, characterized in that: the stand subassembly includes that the middle stand of seting up the steel bay to and set up the hydro-cylinder supporting seat in the inside bottom of steel bay.

4. A hoist for a traction flat car according to claim 2, characterized in that: the driving assembly comprises a lifting oil cylinder which is arranged in the steel groove and fixed on the oil cylinder supporting seat, and a lifting block which is arranged in the steel groove and connected with the lifting oil cylinder.

5. A hoist for a traction flat car according to claim 1, characterized in that: the crossbeam frame subassembly includes that both ends are fixed the crossbeam on the elevator, set up the baffle at the crossbeam both ends to and set up on the crossbeam both sides and be used for carrying out spacing spacer pin fixed plate to the suspension subassembly.

6. A hoist for a traction flat car according to claim 1, characterized in that: the suspension assembly comprises a hook, a main roller arranged at the top of the hook and used for realizing the movement of the hook on the beam, and a side roller arranged at the side edge of the hook and used for limiting the hook on the beam.

7. A hoist for a traction flat car according to claim 3, characterized in that: be provided with the guard plate that is located the crossbeam lower extreme and is used for preventing that the crossbeam from dropping on the stand.

8. A hoist for a traction flat car according to claim 4, characterized in that: and friction blocks are arranged on two sides of the lifting block, which are in contact with the steel groove.

9. A hoist for a traction flat car according to claim 6, characterized in that: the hook is L-shaped.