CN102923426B - Rubbish container transferring frame for vertical rubbish transfer station - Google Patents

Abstract

The invention provides a rubbish container transferring frame for a vertical rubbish transfer station, which is used for conveying containers of transferring vehicles in the vertical rubbish transfer station. The transferring frame is mounted on a transferring vehicle chassis; a container is mounted on the transferring frame; the transferring frame is characterized in that the transferring frame comprises a lower frame, an upper frame, a slide carriage, a falling hydraulic cylinder, a lifting hydraulic cylinder, a sliding hydraulic cylinder and a rear shaft assembly, wherein the lower frame is mounted on the transferring vehicle chassis; the upper frame is connected with the lower frame by the rear shaft assembly; the falling hydraulic cylinder and the lower part of the lifting hydraulic cylinder are mounted on the lower frame; the upper part of the lifting hydraulic cylinder is mounted on the upper frame; the upper frame rotates relative to the lower frame under a mutual effect of the falling hydraulic cylinder and the lifting hydraulic cylinder; the slide carriage is mounted on the upper frame; the lower part of the sliding hydraulic cylinder is mounted on the upper frame; the upper part is mounted on the slide carriage; through the expansion and retraction of the sliding hydraulic cylinder, the slide carriage is driven to slide on the upper frame in a reciprocating way; and the upper frame is connected with the container. The rubbish container transferring frame for the vertical rubbish transfer station, provided by the invention, has the advantages of novel structure, simplicity and convenience for machining, convenience in operation, safety, reliability and so on.

Description

Waste container transfer carriage for vertical waste transfer stations

technical field

The garbage container transfer vehicle frame used in the vertical garbage transfer station according to the present invention is used for the vertical garbage transfer station transfer vehicle to carry the container.

Background technique

The garbage compression transfer method is a garbage disposal method that has emerged in recent years. It puts the loose garbage collected by ordinary garbage trucks into larger containers in the transfer station and squeezes them into pieces. waste transfer trucks to transport containers to incineration or landfill sites. Garbage transfer can well solve the problem of under-loading in garbage transportation, save garbage transportation costs, improve traffic congestion and eliminate secondary pollution in cleaning and transportation.

There are two types of compression transfer methods in the garbage transfer station: horizontal compression transfer and vertical compression transfer. Compared with the horizontal compression transfer method, vertical compression transfer has the characteristics of small footprint, high compression efficiency, and less environmental pollution. For the vertical garbage transfer station, the function of the transfer vehicle frame is to place the full-load container placed vertically on the berth of the transfer station horizontally on the transfer vehicle, and after dumping the garbage, place the empty container placed horizontally on the vehicle back vertically. berth. The currently existing transfer frame (ZL200620044115) for vertical compression garbage transfer stations has the disadvantages of complex structure, complex operation and control, easy wear and tear of the wire traction mechanism, and high maintenance costs. In view of this, the present invention designs a new type for vertical It is very necessary to overcome the problems existing in the prior art by using the garbage container transfer vehicle frame of the type garbage transfer station.

Contents of the invention

In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to study and design a novel garbage container transfer vehicle frame for vertical garbage transfer stations. It is used to solve the problems existing in the prior art: complex structure, complex operation control, easy wear and tear of the wire traction mechanism, and high maintenance cost.

Technical solution of the present invention is realized like this:

The garbage container transfer vehicle frame used in the vertical garbage transfer station of the present invention is composed of a container, a transfer vehicle frame and a transfer vehicle chassis, the transfer vehicle frame is mounted on the transfer vehicle chassis, and the container is mounted on the transfer vehicle frame ; It is characterized in that the transfer vehicle frame includes a lower frame, an upper frame, a slide frame, a falling hydraulic cylinder, a lifting hydraulic cylinder, a sliding hydraulic cylinder and a rear axle assembly; the lower frame is installed on the chassis of the transfer vehicle; The shaft assembly is connected with the lower frame; the lower part of the falling hydraulic cylinder and the lifting hydraulic cylinder are installed on the lower frame, and the upper part is installed on the upper frame. Under the joint action of the falling hydraulic cylinder and the lifting hydraulic cylinder, the upper frame rotates relative to the lower frame The sliding frame is installed on the upper frame, the lower part of the sliding hydraulic cylinder is installed on the upper frame, and the upper part is installed on the sliding frame, and the sliding frame is driven to slide back and forth on the upper frame through the expansion and contraction of the sliding hydraulic cylinder; the upper frame is connected with the container.

The lower frame of the present invention is welded by the frame body, the bearing seat, the lifting hydraulic cylinder support of the lower frame and the lower hydraulic cylinder support of the lower frame, and the frame body is welded by rectangular steel; the middle parts of the frame body are welded separately There are lift hydraulic cylinder supports for the lower frame and lower hydraulic cylinder supports for the lower frame; the bearing seat is welded at the tail of the frame body, and the rear axle assembly is installed on the bearing seat.

The rear axle assembly of the present invention is composed of the rear axle, sleeve I, guide rollers, sleeve II and rolling bearings; both sides of the rear axle are processed with key grooves for connecting the rack; the rear axle is symmetrical from outside to inside Sleeve I, guide roller, sleeve II and rolling bearing are installed; the guide roller has its own bearing and can rotate around the rear axle; the rear axle assembly is installed on the bearing seat of the lower frame through the rolling bearing, and the inner ring of the rolling bearing interferes with the rear axle Fit, the outer ring and the bearing seat have an interference fit.

The upper frame of the present invention is welded by two longitudinal beams, the top beam, the middle beam, the supporting beam of the bearing seat, the bearing seat of the upper frame lifting hydraulic cylinder, the bearing seat of the upper frame falling hydraulic cylinder and the bearing seat of the upper frame sliding hydraulic cylinder; The top of the longitudinal beam is installed at both ends of the top beam; the bearing support beam with the upper frame lifting hydraulic cylinder bearing seat is welded in the middle between the two longitudinal beams, and the upper frame sliding hydraulic cylinder bearing seat is installed at the bottom of the longitudinal beam; On the outer side of the longitudinal beam close to the bottom end, there is a hydraulic cylinder bearing seat for the lowering of the upper frame; between the two longitudinal beams, a middle beam is welded for fixed support; the inner side of the longitudinal beam is processed with a T-shaped chute; the bottom of the upper frame is connected with the rear axle. The finished rear axle is connected by a key.

The carriage of the present invention is welded by lifting lugs, crossbeams, carriage longitudinal beams, carriage sliding hydraulic cylinder supports and container longitudinal beam sleeves; a container longitudinal beam is welded at the upper and bottom of the carriage longitudinal beams Sleeve frame, the middle part is welded with crossbeam and carriage sliding hydraulic cylinder support, and the top is welded with lifting lug; the side of the longitudinal beam is fixed with pulley; the pulley is installed in the T-shaped chute of the upper frame; the lifting lug and the earmuff on the container are set It is used together to lift and lower the container; grooves are machined on the container stringer bracket, and the groove is in contact with the stringer on the container to limit the lateral displacement of the container; the sliding hydraulic cylinder passes through the container stringer bracket, the bottom It is connected with the bearing seat of the sliding hydraulic cylinder of the upper frame, and the top is connected with the support of the sliding hydraulic cylinder of the sliding frame; under the action of the sliding hydraulic cylinder, the pulley rolls in the T-shaped chute, thereby driving the entire sliding frame to slide along the longitudinal beam of the upper frame.

The bottoms of the lifting hydraulic cylinder and the lowering hydraulic cylinder described in the present invention are respectively installed on the lower frame lifting hydraulic cylinder support and the lower frame lowering hydraulic cylinder support on the lower frame, and the upper parts are respectively installed on the upper frame lifting cylinder on the upper frame. The bearing seat of the hydraulic cylinder is connected with the bearing seat of the hydraulic cylinder of the lower frame; through the simultaneous telescopic movement of the lifting hydraulic cylinder support and the hydraulic cylinder support of the lower frame, the upper frame and the rear axle are driven to rotate around the bearing seat, so that the upper frame is erected.

In the present invention, when the container is carried on the back, the lifting hydraulic cylinder is extended to the maximum position, the upper frame and the lower frame form an angle of 95 degrees, and the mobile transfer vehicle gradually approaches the container to ensure that the longitudinal beam on the container is aligned with the container longitudinal beam on the carriage When the rear axle is 0.5m away from the container, the transfer car stops moving; the sliding hydraulic cylinder extends, and the carriage slowly rises along the upper frame until the lifting lugs are inserted into the earmuffs on the container; the hydraulic cylinder retracts, and the upper frame, sliding frame And the rear axle rotates around the bearing seat of the lower frame, and the lifting lug pulls the container against the upper frame. At this time, the container takes the ground as the fulcrum; when the ground fulcrum of the container is in line with the upper frame, continue to retract the hydraulic cylinder and retract the sliding hydraulic cylinder at the same time. Always ensure that the container takes the ground as the fulcrum; when the horizontal position of the center of gravity of the container is on the side of the transfer vehicle, the sliding hydraulic cylinder stops moving, the falling hydraulic cylinder continues to retract, and the container is off the ground; the falling hydraulic cylinder is fully retracted, and the sliding hydraulic cylinder is gradually extended When it grows to the maximum position, the upper shelf will fall to the lower shelf by the gravity of the container.

Advantage of the present invention is obvious, mainly shows in:

The invention has a simple and compact structure and is convenient for maintenance. The steel wire traction mechanism of the existing product is replaced by the carriage and the sliding hydraulic cylinder, which not only simplifies the structure, but also saves the maintenance cost of the wire rope. There are lugs and grooves on the carriage to ensure that the container is fixed in the longitudinal and transverse positions relative to the carriage; there are pulleys on both sides of the carriage and guide rollers on the rear axle to ensure that the container and the container are driven when the sliding hydraulic cylinder expands and contracts. The carriage slides together along the upper shelf.

The vehicle frame of the invention is respectively raised and lowered by two groups of hydraulic cylinders, which is convenient for automatic control. By analyzing the movement process of the container on the back of the frame, the displacement relationship between the falling hydraulic cylinder and the sliding hydraulic cylinder can be easily obtained, so that by designing the hydraulic system and writing the program, the oil volume of the two groups of hydraulic cylinders can be reasonably allocated and the hydraulic cylinders can be accurately controlled. displacement.

The invention has the advantages of novel structure, simple processing, convenient operation, safety and reliability, etc., and it will certainly produce positive social benefits and significant economic benefits when it is put into the market in large quantities.

Description of drawings

The present invention has 6 drawings, wherein:

Fig. 1 is a three-dimensional structural composition diagram of the transfer vehicle frame of the present invention;

Fig. 2 is a three-dimensional view of the installation and work of the transfer vehicle frame of the present invention;

Fig. 3 is a three-dimensional structure diagram of the lower frame of the present invention;

Fig. 4 is a three-dimensional structure diagram of the upper frame of the present invention;

Fig. 5 is a three-dimensional structure diagram of the carriage of the present invention;

Fig. 6 is a three-dimensional structure diagram of the rear axle assembly of the present invention;

In the figure: 1, container 1.1 earmuffs 1.2, longitudinal beam on the container 2, transfer vehicle chassis 3, transfer vehicle frame 3.1, lower frame 3.1.1, frame body 3.1.2, bearing seat 3.1.3, lower frame lift Lifting Hydraulic Cylinder Support 3.1.4 Lowering Hydraulic Cylinder Support 3.2, Upper Shelf 3.2.1, Longitudinal Beam 3.2.2, Top Beam 3.2.3, Middle Beam 3.2.4, Bearing Support Beam 3.2.5, Upper Shelf Lifting Lifting hydraulic cylinder bearing seat 3.2.6, upper rack falling hydraulic cylinder bearing seat 3.2.7 upper rack sliding hydraulic cylinder bearing seat 3.3, carriage 3.3.1, lifting lug 3.3.2, beam 3.3.3, carriage longitudinal beam 3.3.4 , Carriage sliding hydraulic cylinder support 3.3.5 Container stringer frame 3.3.6, Pulley 3.3.7, Groove 3.4, Falling hydraulic cylinder 3.5, Lifting hydraulic cylinder 3.6, Sliding hydraulic cylinder 3.7 Rear axle assembly 3.7. 1. Rear axle 3.7.2, sleeve Ⅰ 3.7.3, guide roller 3.7.4, sleeve Ⅱ 3.7.5 rolling bearing.

Detailed ways

The specific embodiment of the present invention is shown in accompanying drawing, is made up of container 1, transfer vehicle frame 3 and transfer vehicle chassis 2, transfer vehicle frame 3 is installed on the transfer vehicle chassis 2, and container 1 is contained on the transfer vehicle frame 3; It is characterized in that the transfer vehicle frame 3 includes a lower frame 3.1, an upper frame 3.2, a sliding frame 3.3, a falling hydraulic cylinder 3.4, a lifting hydraulic cylinder 3.5, a sliding hydraulic cylinder 3.6 and a rear axle assembly 3.7; the lower frame 3.1 is mounted on On the transfer vehicle chassis 2; the upper frame 3.2 is connected with the lower frame 3.2 through the rear axle assembly 3.7; The upper frame 3.2 rotates relative to the lower frame 3.1 under the combined action of the cylinder 3.4 and the lifting hydraulic cylinder 3.5; the carriage 3.3 is mounted on the upper frame 3.2, the lower part of the sliding hydraulic cylinder 3.6 is mounted on the upper frame 3.2, and the upper part is mounted on the sliding frame 3.3. The telescoping of the sliding hydraulic cylinder 3.6 drives the sliding frame 3.3 to slide back and forth on the upper frame 3.2; the upper frame 3.2 is connected with the container 1 .

The lower frame 3.1 is welded by the frame body 3.1.1, the bearing seat 3.1.2, the lower frame lifting hydraulic cylinder support 3.1.3 and the lower frame lowering hydraulic cylinder support 3.1.4, and the frame body 3.1.1 is made of rectangular steel Welded; the middle part of the frame body 3.1.1 is welded with the lift hydraulic cylinder support 3.1.3 of the lower frame and the hydraulic cylinder support 3.1.4 of the lower frame fall; the bearing seat 3.1.2 is welded on the frame body 3.1.1 The afterbody of the rear axle assembly 3.7 is housed on the bearing block 3.1.2.

Rear axle assembly 3.7 is composed of rear axle 3.7.1, sleeve I 3.7.2, guide roller 3.7.3, sleeve II 3.7.4 and rolling bearing 3.7.5; both sides of rear axle 3.7.1 are processed with key grooves for Connect the upper frame 3.2; on the rear axle 3.7.1, the sleeve I 3.7.2, the guide roller 3.7.3, the sleeve II 3.7.4 and the rolling bearing 3.7.5 are installed symmetrically from the outside to the inside; the guide roller 3.7.3 has its own bearing, It can rotate around the rear axle 3.7.1; the rear axle assembly 3.7 is installed on the bearing seat 3.1.2 of the lower frame 3.1 through the rolling bearing 3.7.5, the inner ring of the rolling bearing 3.7.5 is in interference fit with the rear axle 3.7.1, and the outer ring Interference fit with bearing seat 3.1.2.

The upper frame 3.2 consists of two longitudinal beams 3.2.1, top beam 3.2.2, middle beam 3.2.3, bearing housing support beam 3.2.4, upper rack lifting hydraulic cylinder bearing housing 3.2.5, upper rack lowering hydraulic cylinder bearing housing 3.2. 6 and upper frame sliding hydraulic cylinder bearing seat 3.2.7 are welded together; the tops of the two longitudinal beams 3.2.1 are mounted on the two ends of the top beam 3.2.2; the middle part between the two longitudinal beams 3.2.1 is welded with a belt upper frame The bearing support beam 3.2.4 of the lifting hydraulic cylinder bearing seat 3.2.5, the bottom end of the longitudinal beam 3.2.1 is equipped with the upper frame sliding hydraulic cylinder bearing seat 3.2.7; the outer side of the longitudinal beam 3.2.1 near the bottom is welded The hydraulic cylinder bearing seat 3.2.6 is lowered on the rack; the middle beam 3.2.3 is welded between the two longitudinal beams 3.2.1 to act as a fixed support; the inner side of the longitudinal beam 3.2.1 is processed with a T-shaped chute 3.2.1.1; the upper rack The bottom of 3.2 is connected by key with the rear axle 3.7.1 of rear axle assembly 3.7.

The slide frame 3.3 is welded by the lifting lug 3.3.1, the beam 3.3.2, the slide frame longitudinal beam 3.3.3, the slide frame sliding hydraulic cylinder support 3.3.4 and the container longitudinal beam sleeve frame 3.3.5; The upper part and the bottom of the beam 3.3.3 are welded with a container longitudinal beam sleeve frame 3.3.5, the middle part is welded with the cross beam 3.3.2 and the carriage sliding hydraulic cylinder support 3.3.4, and the top is welded with the lifting lug 3.3.1; the longitudinal beam The pulley 3.3.6 is fixed on the side; the pulley 3.3.6 is installed in the T-shaped chute 3.2.1.1 of the upper frame 3.2; the lifting lug 3.3.1 is set together with the earmuff 1.1 on the container for lifting and lowering the container 1; A groove 3.3.7 is processed on the longitudinal beam sleeve frame 3.3.5, and the groove 3.3.7 is in contact with the longitudinal beam 1.2 on the container to limit the lateral displacement of the container 1; the sliding hydraulic cylinder 3.6 passes through the longitudinal beam sleeve of the container Frame 3.3.5, the bottom is connected with the sliding hydraulic cylinder bearing seat 3.2.7 of the upper frame, and the top is connected with the sliding hydraulic cylinder support 3.3.4 of the carriage; under the action of the sliding hydraulic cylinder 3.6, the pulley 3.3.6 The chute 3.2.1.1 rolls inside, thereby driving the entire carriage 3.3 to slide along the upper frame longitudinal beam 3.2.1.

The bottoms of the lifting hydraulic cylinder 3.5 and the falling hydraulic cylinder 3.4 are respectively installed on the lower frame lifting hydraulic cylinder support 3.1.3 and the lower frame falling hydraulic cylinder support 3.1.4 on the lower frame 3.1, and the upper part is respectively installed on the upper frame 3.2 The upper frame lifting hydraulic cylinder bearing seat 3.2.5 and the upper frame falling hydraulic cylinder bearing seat 3.2.6; through the simultaneous telescopic movement of the lifting hydraulic cylinder support 3.1.3 and the lower frame falling hydraulic cylinder support 3.1.4, Drive upper frame 3.2 and rear axle 3.7.1 to rotate around bearing seat 3.1.2, upper frame 3.2 is erected.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, all those skilled in the art are within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and the concept of the present invention shall fall within the protection scope of the present invention.

Claims (6)

1. the transhipment of the refuse container for a vertical trash transhipment station vehicle frame, transhipment vehicle frame (3) and container (1) and transfer car(buggy) chassis (2) with the use of, transhipment vehicle frame (3) is loaded on transfer car(buggy) chassis (2), and container (1) is loaded in transhipment vehicle frame (3); It is characterized in that described transhipment vehicle frame (3) comprises undercarriage (3.1), added (3.2), balladeur train (3.3), falls hydraulic actuating cylinder (3.4), lifting hydraulic cylinder (3.5), slip hydraulic actuating cylinder (3.6) and hind axle assembly (3.7) after rise; Undercarriage (3.1) is loaded on transfer car(buggy) chassis (2); Added (3.2) are connected with undercarriage (3.2) by hind axle assembly (3.7); Falling hydraulic actuating cylinder (3.4) after rise is loaded on undercarriage (3.1) with the bottom of lifting hydraulic cylinder (3.5), top is loaded on added (3.2), rotates with making added (3.2) under the combined action of lifting hydraulic cylinder (3.5) in falling hydraulic actuating cylinder (3.4) relative to undercarriage (3.1); Balladeur train (3.3) is loaded on added (3.2), the bottom of slip hydraulic actuating cylinder (3.6) is loaded on added (3.2), top is loaded on balladeur train (3.3), is reciprocatingly slided on added (3.2) by the flexible drive balladeur train (3.3) of slip hydraulic actuating cylinder (3.6); Added (3.2) are connected with container (1).

2. the transhipment of the refuse container for vertical trash transhipment station vehicle frame according to claim 1, it is characterized in that described undercarriage (3.1) falls hydraulic actuating cylinder bearing (3.1.4) after rise by frame body (3.1.1), bearing seat (3.1.2), undercarriage lifting hydraulic cylinder bearing (3.1.3) and undercarriage and is welded, frame body (3.1.1) is welded by rectangle steel; Be welded respectively undercarriage lifting hydraulic cylinder bearing (3.1.3) and undercarriage of the middle part of frame body (3.1.1) falls hydraulic actuating cylinder bearing (3.1.4) after rise; Bearing seat (3.1.2) is welded on the afterbody of frame body (3.1.1), bearing seat (3.1.2) is equipped with hind axle assembly (3.7).

3. the transhipment of the refuse container for vertical trash transhipment station vehicle frame according to claim 1, is characterized in that described hind axle assembly (3.7) is made up of rear axle (3.7.1), sleeve I (3.7.2), guide roller (3.7.3), sleeve II (3.7.4) and antifriction-bearing box (3.7.5); The both sides of rear axle (3.7.1) are processed with keyway, for connecting added (3.2); At the upper ecto-entad of rear axle (3.7.1) successively symmetry, sleeve I (3.7.2), guide roller (3.7.3), sleeve II (3.7.4) and antifriction-bearing box (3.7.5) are housed; Guide roller (3.7.3) carries bearing, can rotate around rear axle (3.7.1); Hind axle assembly (3.7) is loaded on the bearing seat (3.1.2) of undercarriage (3.1) by antifriction-bearing box (3.7.5), antifriction-bearing box (3.7.5) inner ring and rear axle (3.7.1) interference fit, outer ring and bearing seat (3.1.2) interference fit.

4. the transhipment of the refuse container for vertical trash transhipment station vehicle frame according to claim 1, is characterized in that described added (3.2) are welded by two longerons (3.2.1), back timber (3.2.2), intermediate beam (3.2.3), bearing seat support beam (3.2.4), added lifting hydraulic cylinder bearing seat (3.2.5), added falling hydraulic actuating cylinder bearing seat (3.2.6) and added slip hydraulic actuating cylinder bearing seat (3.2.7); The top of two longerons (3.2.1) is loaded on the two ends of back timber (3.2.2); Between two longerons (3.2.1), middle part is welded with the bearing seat support beam (3.2.4) being with added lifting hydraulic cylinder bearing seat (3.2.5), and added slip hydraulic actuating cylinder bearing seat (3.2.7) is equipped with in the bottom of longeron (3.2.1); Added falling hydraulic actuating cylinder bearing seat (3.2.6) is welded with near the outside of bottom at longeron (3.2.1); Between two longerons (3.2.1), be welded with intermediate beam (3.2.3) play fixed supporting role; The inner side of longeron (3.2.1) is processed with T-shaped chute (3.2.1.1); The bottom of added (3.2) is connected by key with the rear axle (3.7.1) of hind axle assembly (3.7).

5. the transhipment of the refuse container for vertical trash transhipment station vehicle frame according to claim 1, is characterized in that described balladeur train (3.3) is welded by hanger (3.3.1), crossbeam (3.3.2), balladeur train longeron (3.3.3), sledge slide hydrodynamic cylinder pressure bearing (3.3.4) and container longeron stock (3.3.5); A container longeron stock (3.3.5) is respectively welded with on balladeur train longeron (3.3.3) top and bottom, middle part is welded with crossbeam (3.3.2) and sledge slide hydrodynamic cylinder pressure bearing (3.3.4), and top is welded with hanger (3.3.1); Longeron side is fixed with pulley (3.3.6); Pulley (3.3.6) is loaded in the T-shaped chute (3.2.1.1) of added (3.2); Hanger (3.3.1) is set in together for promoting and reducing container (1) with the ear muff (1.1) on container; Container longeron stock (3.3.5) is processed with groove (3.3.7), groove (3.3.7) contacts with the longeron (1.2) on container, for limiting the cross travel of container (1); Slip hydraulic actuating cylinder (3.6) is through container longeron stock (3.3.5), and bottom is connected with added slip hydraulic actuating cylinder bearing seat (3.2.7), and top is connected with sledge slide hydrodynamic cylinder pressure bearing (3.3.4); Under the effect of slip hydraulic actuating cylinder (3.6), pulley (3.3.6) rolls in T-shaped chute (3.2.1.1), thus drives whole balladeur train (3.3) to slide along added longeron (3.2.1).

6. the transhipment of the refuse container for vertical trash transhipment station vehicle frame according to claim 1, it is characterized in that described lifting hydraulic cylinder (3.5) and the bottom of falling hydraulic actuating cylinder (3.4) after rise are loaded on undercarriage lifting hydraulic cylinder bearing (3.1.3) on undercarriage (3.1) respectively and undercarriage falls after rise on hydraulic actuating cylinder bearing (3.1.4), top is loaded on added lifting hydraulic cylinder bearing seat (3.2.5) on added (3.2) and added falling hydraulic actuating cylinder bearing seat (3.2.6) respectively.