CN201342985Y - Extended compartment with ceiling lifting function - Google Patents

Abstract

The utility model relates to an extended carriage, which discloses an extended carriage with the ceiling lifting function. It includes: the bottom plate (1) and the roof of the compartment, and a lifting device arranged between the bottom plate (1) and the roof, characterized in that the lifting device includes: a hydraulic cylinder (9), through the pipeline (8 ) is connected to the hydraulic oil pump (7) of the hydraulic oil cylinder (9), and the inner and outer frames (13, 14) of the telescopic assembly that can slide longitudinally; the outer frame (14) is fixed on the base plate (1), and the inner Frame (13) is fixed on the ceiling; Hydraulic oil cylinder (9) is arranged in inner and outer frame (13,14), and its cylinder body and cylinder shaft are respectively fixed on inner and outer frame (13,14).

Description

An extended carriage with roof lifting function

technical field

The utility model relates to an extended carriage, in particular to an extended carriage with the ceiling lifting function.

Background technique

The extended compartment with a roof is rain-proof and sun-proof, easy to move, and suitable for field work. The extended trailer body that has appeared in China in the past two years adopts the lifting method of the four-column screw and compression spring mechanism for the ceiling, and the lowering ceiling relies on the hand crank to drive the screw and tighten the wire rope to compress the spring, so the operation is more difficult; and, In the storage process, the ceiling must be raised in order to release the spring stress, which is inconvenient. At present, the electro-hydraulic lifting method is used for lifting the roof of the extended carriage, and its manufacturing cost is high; the artificial double-cylinder hydraulic lifting method is easy to tilt during the lifting process, and there are potential safety hazards.

Contents of the invention

The purpose of the utility model is to overcome the above-mentioned shortcomings of the prior art, and provide an extended carriage with a ceiling lifting function, which is simple in structure, easy to operate, stable, safe and fast in lifting.

In order to achieve the above object, the utility model adopts the following technical schemes to achieve: an extended carriage with ceiling lifting function, including: the bottom plate and ceiling of the carriage, and a lifting device arranged between the bottom plate and the ceiling, which is characterized in that , the lifting device includes: a hydraulic cylinder, a hydraulic oil pump connected to the hydraulic cylinder through a pipeline, and an inner and outer frame that can slide longitudinally in a telescopic assembly; the outer frame is fixed on the bottom plate, and the inner frame is fixed on the ceiling Above; the hydraulic oil cylinder is arranged in the inner and outer frames, and its cylinder body and cylinder shaft are respectively fixed on the inner and outer frames.

Further features of the utility model are:

Limit pins are arranged on the inner and outer frames to limit the limit rising position and the limit falling position of the inner frame.

The hydraulic oil pump is a manual hydraulic oil pump with a check valve.

In the utility model, a manual hydraulic oil pump and a hydraulic oil cylinder are used to lift and lower the ceiling. In order to avoid inclination during the lifting process of the ceiling, the inner and outer frames of the telescopic assembly that can slide longitudinally are matched to play a lifting role. Guidance function; the inner and outer brackets are equipped with limit pins at the limit positions of the lifting to prevent the ceiling from accidentally falling after it is lifted in place, and to prevent the ceiling from moving up and down during transportation after it has fallen to the bottom.

The utility model has the advantages of low manufacturing cost, convenient operation, simple maintenance and maintenance, and the lifting and lowering process is stable, safe and fast, and is especially suitable for the extended compartments of automobiles, trailers and the like which need to have liftable ceilings.

Description of drawings

Fig. 1 is a schematic diagram of the use state of an extended carriage with ceiling lifting function of the present utility model;

Fig. 2 is a schematic diagram of the folded state of Fig. 1;

Among them: 1. Bottom plate; 2. Lower side plate; 3. Hinge; 4. Top plate; 5. Upper side plate; 6. Axis; 7. Hydraulic oil pump; 8. Pipeline; 9. Hydraulic cylinder; 10. Bracket; 11 , Limit pin; 12, handle; 13, inner frame; 14, outer frame.

Detailed ways

The utility model will be described in detail below in conjunction with specific embodiments.

Referring to Fig. 1 and Fig. 2, a kind of extended carriage with ceiling lifting function of the present utility model mainly includes: a basic platform, a ceiling and a lifting device. In the basic platform, the lower side plate 2 is opened horizontally along the hinge 3 around the bottom plate 1, and then the triangular plate hinged by the lower side plate 2 is opened to form a large working plane together with the bottom plate 1. The ceiling includes: top plate 4, upper side plate 5 and outer tarpaulin, etc. After the ceiling is raised upward by the lifting device, the upper side plate 5 is opened upward about 90°, and the outer tarpaulin is stretched to form an extended top surface, so that Greater usable height and space inside the cabin.

The lifting device mainly includes: a hydraulic cylinder 9, a hydraulic oil pump 7 connected to the hydraulic cylinder 9 through a pipeline 8, and an inner frame 13 and an outer frame 14 that can slide longitudinally in a telescopic assembly. Outer frame 14 bottoms are connected on the base plate 1 of compartment with bolts; Inner frame 13 tops can be connected with top plate 4 with bolts, also can be fixed with top plate 4 after bracket 10 is welded. Hydraulic oil cylinder 9 is vertically installed inside and outside frame 13,14, and the bottom end of its cylinder body and the top of cylinder shaft are respectively fixed on the inside and outside frame by axle 6. In order to save equipment costs, the hydraulic oil pump 7 adopts a manual hydraulic oil pump with a check valve, which is simple in equipment and easy to operate.

Limiting pins 11 are arranged on the inner and outer frames 13 and 14 to limit the limit rising position and the limit falling position of the inner frame 13 . Specifically: the inner frame 13 is provided with upper and lower positioning holes, and the outer frame 14 is provided with only one positioning hole, which is used to limit the limit rising position and the limit falling position of the inner frame 13, so as to prevent the ceiling from accidentally falling after it is lifted in place. , and prevent the roof from moving up and down during transportation after it falls to the bottom.

When lifting the ceiling, pull out the limit pin 1 and tighten the one-way valve of the hydraulic oil pump 7, and manually operate the handle 12 of the hydraulic oil pump 7, the hydraulic oil is pumped into the cylinder body of the hydraulic oil cylinder 9 through the pipeline 8, and the cylinder shaft is driven up , thus slowly raising the roof. After the ceiling is lifted in place, the limit pin 11 is inserted into the lower positioning hole of the inner frame 13 and the positioning hole of the outer frame 14 to lock the ceiling to prevent it from falling down accidentally.

When lowering the ceiling, after pulling out the limit pin 11, you only need to loosen the one-way valve of the hydraulic oil pump 7 lightly, and the cylinder shaft of the hydraulic oil cylinder 9 is slowly lowered under the gravity of the ceiling, driving the hydraulic oil to return to the hydraulic oil pump 7 through the pipeline 8 , thus slowly lowering the ceiling. After the ceiling is lowered in place, the limit pin 11 is inserted into the upper positioning hole of the inner frame 13 and the positioning hole of the outer frame 14 to lock the ceiling to prevent it from moving up and down during transportation.

Claims (3)

1. An extended compartment with a ceiling lifting function, comprising: a bottom plate (1) and a ceiling of the compartment, and a lifting device arranged between the bottom plate (1) and the ceiling, characterized in that the lifting device includes : a hydraulic cylinder (9), a hydraulic oil pump (7) connected to the hydraulic cylinder (9) through a pipeline (8), and an inner and outer frame (13, 14) that can slide longitudinally in a telescopic assembly; the outer frame (14) is fixed on the base plate (1), and the inner frame (13) is fixed on the ceiling; the hydraulic oil cylinder (9) is arranged in the inner and outer frames (13, 14), and its cylinder body and cylinder shaft are respectively fixed in the inner and outer frames (13, 14). on the outer frame (13,14). 2. The extended carriage with roof lifting function according to claim 1, characterized in that limit pins (11) are arranged on the inner and outer frames (13, 14) to limit the inner frame (13) The extreme ascending position and the extreme descending position. 3. The extended carriage with roof lifting function according to claim 1, characterized in that the hydraulic oil pump (7) is a manual hydraulic oil pump with a check valve.

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