CN202557378U

CN202557378U - Dump truck carriage inclining mechanism

Info

Publication number: CN202557378U
Application number: CN2011204320373U
Authority: CN
Inventors: 贾立军
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-29
Filing date: 2011-10-29
Publication date: 2012-11-28
Anticipated expiration: 2021-10-29

Abstract

A dump truck carriage inclining mechanism is suitably applied in freight vehicles and vehicle lifting devices not included in other categories. The inclining mechanism is mainly composed of an upper base plate, a lower base plate, a connecting rod set, a sliding cover plate and a subframe, etc. A multi-section oil cylinder is applied for supplying driving force. The carriage base plate is divided into an upper one and a lower one. The upper base plate and the lower base plate are connected through the connecting rod set. The sliding cover plate which is placed on the lower base plate is hinged to the upper base plate. The top of the oil cylinder piston rod is connected with one of the upper base plate and the lower base plate in a hinged way. The lower end of the oil cylinder is hinged with the subframe. The upper base plate and the lower base plate are hinged with the subframe through pin shafts and shaft holes. The upper base plate, the lower base plate, the connecting rod set, and the subframe together form a four-connecting-rod mechanism. The inclination of the upper base plate, the lower base plate and the sliding cover plate is achieved through the acting force from the oil cylinder. The dump truck carriage inclining mechanism provided in the utility model has the characteristics of simple structure, running stability, running reliability, convenient installation, convenient maintenance, low manufacture cost, low running cost, long service lifetime and wide application range.

Description

A kind of leaning device of body of tipper carriage

One, affiliated technical field:

Be applicable to load carrying vehicle and other type vehicle lifting device not to be covered, be specifically related to the base plate leaning device of dumping car.

Two, background technology:

Dumping car is when unloading operation, because the increase of height of wagon causes body gravity to improve; Add the abominable of operating environment; As unload place injustice or the gradient are big etc., when the lower a certain side dumping goods of physical features to the left or to the right, very easily cause roll-over accident, for fear of the generation of this type of situation; People study the dumping car of having invented cabin floor two-sided turnable structure, have solved this problem preferably.Chinese invention patent (application number 200610103554X) discloses a kind of dumper with two-sided turnable chassis, because its structure that adopts rubber plate to link to each other with a plurality of chains or strut bar, so have complex structure, the defective that making and operating cost are high, service life is short.China's utility model patent (patent No. ZL2001020042677.9) adopts middle connecting plate to connect the mode of left and right base plate; Cargo residue after the lifting unloading is easy to, and is clipped in the slit between connecting panel and the left and right base plate, causes mechanism can't get back to initial position; Middle connecting plate is very yielding in the unloading process; Cause failure mechanisms, in practice, have that mechanism is complicated, fragile, installation and maintenance are inconvenient, a defective such as making and operating cost height; China's utility model patent (patent No. ZL00255282.5) has openly adopted two oil cylinders lifting left and right sides base plate respectively, though can well unload, has the oil cylinder lifting, falls nonsynchronous phenomenon after rise, is easy to cause the dislocation up and down of base plate position, the left and right sides.

Three, summary of the invention:

The purpose of the utility model provide a kind of simple in structure, unloading is smooth and easy, cost of manufacture is low, long service life, be applicable to a kind of leaning device of one or more unit body of tipper carriage envelope.

The utility model is achieved in that the base plate with each unit envelope of the dumping car of being made up of or compartment, some unit envelope is divided into left and right two, and the last plane of left and right two base plates is at same horizontal surface.Overlap mutually between the left and right base plate; Position at overlap joint is a upper-lower position; We also can call them respectively and be upper plate, lower shoe, and their faying surface is made identical shaped inclined-plane, makes to fit together each other between the left and right base plate; Also can make the overlap joint of other shapes; Being advisable not spill Lou goods in the gap of left and right base plate overlapping part, is positioned at the slide cover that the base plate of overlap joint top is processed in the hinged at least one steel of the boundary position of its inboard one side of center compartment (promptly near) or high strength plastics, and the upper surface of slide cover lower surface and another piece base plate is fitted each other; Clearance distance when the width of slide cover is greater than left and right sides base plate lifting maximum between both tops, length is identical with the length of two base plates.For the ease of the understanding explanation of following description content, we are in following base plate address, and the base plate that title is positioned at the overlapping part top is a upper plate, and the base plate that is positioned at the below is a lower shoe.Slide cover and upper plate are hinged, fit with the lower shoe upper surface.The structure of left and right base plate is to exchange, and can one of them be upper plate, and another piece is a lower shoe.

Elevating ram is connected with subframe, the top of the more piece piston rod above the oil cylinder then with upper and lower base plate wherein one hinged.Oil cylinder can be one, also can be a plurality of; The base plate of a loading unit is during with a plurality of oil cylinder, and a plurality of oil cylinders will vertically being installed on the base plate along the compartment side by side.The subframe level is disposed across the middle part of car chassis and is connected to one.

Connect through one or more groups linkage rod group arranged side by side between the left and right base plate.One group of linkage rod group comprises connecting rod one, connecting rod two two parts.One end and the connecting rod two of connecting rod one are hinged.The other end and the upper plate of connecting rod one are hinged, and the pivotally attached position keeps to the side in the lower inside of upper plate; The other end of connecting rod two is captiveed joint with lower shoe, and the position of captive joint is in the lower shoe lower inside, and forms angle with the upper surface of base plate.

Base plate was realized with being connected through bearing pin of subframe; Following identity distance left and right sides lateral surface and the cooresponding place of subframe strutbeam at upper and lower base plate; Fixedly mount a pin shaft hole frame respectively, subframe strutbeam upper pin hole site is corresponding one by one with his pin shaft hole position, passes bearing pin then and connects; Through getting in touch of bearing pin and axis hole, upper and lower base plate and subframe strutbeam are hinged and connected.

During unloading,, the pressure of oil cylinder is raise through handling controlled hydraulic system; Promote the more piece piston rod and rise, oil cylinder be connected with dual mode with base plate: one, when oil cylinder and upper plate are hinged, upper plate is upwards rotation lifting under the application force of oil cylinder; Upper plate and drivening rod one motion, because the motion of connecting rod one, drivening rod two upwards promotes with lower shoe; Until the maximum lifting position makes two base plates just form an inclined-plane separately respectively.In upper plate and lower shoe upward movement process; Separate from fit-state gradually between the upper and lower base plate, the gap between them increases along with the increase of base plate bevelled angle, and slide cover is also with the upper plate upward movement; And fit all the time with lower shoe; Sealed upper plate and lower shoe and promoted the gap of rotating back formation, slide cover and lower shoe have formed a skew back face jointly, and goods can be unsnatched smoothly.The main effect of slide cover is exactly that the shutoff goods forms the inclined-plane, avoids goods to unload from the gap between upper and lower base plate.Two, when oil cylinder and lower shoe are hinged; The application force of oil cylinder acts on earlier on the lower shoe, because lower shoe is captiveed joint with connecting rod two, the two upwards rotates together; At connecting rod two thrust lower links one also upward movement; And give propelling thrust of upper plate, and make upper plate realize that the lifting that makes progress rotates, so just realized equally in the inclination of above-mentioned one the two base plates process of unloading.

Unloading operation finishes, and handles the controlled hydraulic system decompression, because the reduction of hydraulic system pressure, the piston rod of oil cylinder descends, and base plate descends under the effect of deadweight thereupon, drives slide cover, and linkage rod group etc. also descend thereupon, up to reinstatement.

The mechanism principle of the utility model is a four-bar linkage in sum, and four bars are respectively: upper plate, connecting rod one, lower shoe and connecting rod two (the two is connected to one), subframe.Oil cylinder is an actuating device, and the power of connecting rod mechanism movement is provided.Upper and lower base plate in a mechanism, has solved two nonsynchronous problems of base plate lifting jointly.When oil cylinder is installed in upper plate one side, connecting rod one can be rigidity also can be flexible, when oil cylinder was installed in lower shoe one side, connecting rod one was a rigidity.Connecting rod two is the rigidity material.

The utlity model has that simple in structure, stable and reliable operation, installation and maintenance are convenient, making and operating cost is cheap, long service life, advantage of wide range of application.

Four, description of drawings:

Fig. 1 is the structural representation of the enforcement of the utility model;

Fig. 2 is the structure lifting view of the enforcement of the utility model;

1-upper plate, 2-lower shoe, 3-connecting rod one, 4-connecting rod two, 5-compartment frame, 6-slide cover, 7-subframe, 8-oil cylinder, 9--side door, 10--bearing pin among the figure.

Five, the specific embodiment:

See also Fig. 1, shown in Figure 2, the scheme drawing for the enforcement of the utility model specifies below in conjunction with embodiment.

With the base plate of body of tipper carriage by about to be divided into two base plates be upper plate 1 and lower shoe 2, upper plate 1 and lower shoe 2 be overlap joint at the middle part, lap-joint is an inclined-plane; Be advisable not leak goods in the overlap joint gap; Be connected one or more linkage rod group (linkage rod group is made up of connecting rod 1 and connecting rod 2 4) between said upper plate 1 and the lower shoe 2, connecting rod one 3 one ends and upper plate 1 are hinged, and the other end and connecting rod two are hinged; The other end of connecting rod two and lower shoe 2 are fixed together; Upper plate 1 together is placed horizontally on the subframe 7 with lower shoe 2, and the vertical both sides that are placed on chassis, compartment longitudinal axis of said subframe 7 levels are not connected to one with chassis (indicating among the figure).Realize smoothly in order to make goods unload the imagination that falls, place at least one slide cover 6, and fit each other at lower shoe 2 upper surfaces from the left and right sides, compartment; Said slide cover 6 is processed by steel plate, and slide cover 6 is hinged and connected with upper plate 1, and the junction is positioned at the inside upper part of said upper plate 1.

In order to realize that upper plate 1, lower shoe 2 are hinged and connected with subframe 7; In the left and right sides of subframe 7 near the place of rear and front end; Respectively upper plate 1 and subframe 7, lower shoe 2 is hinged with subframe 7 with bearing pin 10, and oil cylinder 8 is positioned over the middle part of subframe 7; Hinged through the axle that oil cylinder 8 carries with subframe 7, the more piece piston rod top on its top is then hinged with upper plate 1.

During unloading, through handling controlled hydraulic system, with the pressure rising of oil cylinder 8; Piston rod is risen, elect upper plate 1 simultaneously and rise thereupon, drive together upward movement of said slide cover 6 and connecting rod 1; Upper plate 1 inboard also upwards promotes thereupon, and its outside then decreases, because the upwards pulling function of connecting rod 1; Connecting rod two upwards promotes with lower shoe 2, and lower shoe 2 is formed slopely the unloading angle, and upper plate 1 forms two inclined-planes with lower shoe 2.Continuous rising along with oil cylinder 8 pressure; The more piece piston rod constantly rises; Upper plate 1 continues to increase with lower shoe 2 bevelled angles; And between the outside of two base plates and side door 9, just can form an increasing strip shape space, the goods on the compartment tank top plate just can be automatically unload from the space of formation between the left side of two base plates and the right outside and the compartment side door 9 and falls earthward.Meanwhile; In the lifting process of two base plate inboards, also can form an increasing gap between upper plate 1 and lower shoe 2 inboards, because the pulling function of 1 pair of slide cover 6 of upper plate; Under the pressure of goods; In the process that promotes, can only on lower shoe 2, upwards slide on the plane, so slide cover 6 with regard to shutoff this because the gap that the inboard rising of upper plate 1 and lower shoe 2 forms; The part cargo of having avoided base plate from then on gap location unloads, and unloading operation is carried out smoothly.

Discharged, the pressure of reduction oil cylinder 8, upper plate 1, lower shoe 2, slide cover 6, linkage rod group fall back to initial condition.

Through practical application check, the utlity model has that simple in structure, stable and reliable operation, installation and maintenance are convenient, making and operating cost is cheap, long service life, advantage of wide range of application.

Claims

1. the leaning device of a body of tipper carriage, by upper and lower two base plates, linkage rod group, subframe, slide cover are formed; Upper and lower base plate is hinged with subframe respectively; One end and the upper plate of connecting rod one are hinged, and an end of the other end of connecting rod one and connecting rod two is hinged, and the other end of connecting rod two is captiveed joint with lower shoe; It is characterized in that being connected the common four-bar linkage that constitutes successively between upper plate, connecting rod one, connecting rod two and lower shoe, subframe, the upper plate; Subframe is a fixed link, and slide cover and upper plate are hinged, and slides along the surface of lower shoe with the motion of four-bar linkage.

2. the leaning device of a kind of body of tipper carriage according to claim 1 is characterized in that, linkage rod group constitutes at least one group of linkage rod group of the body of tipper carriage of each unit by connecting rod one and connecting rod two are hinged.

3. the leaning device of a kind of body of tipper carriage according to claim 1; It is characterized in that; The oil cylinder of the body of tipper carriage of each unit at least one, oil cylinder top and upper and lower base plate can be articulated and connected, the oil cylinder of the body of tipper carriage of one unit must be placed in the same side base plate.