Dumping anti-rollover device of self-dumping semitrailer

Abstract

The utility model discloses a dump semitrailer unloading rollover prevention device which comprises a frame, a hopper, a hopper supporting mechanism and a frame supporting mechanism, a second fixing seat is fixed at the left end of the upper side of the frame, a first fixing seat is fixed at the left end of the bottom side of the hopper, and a second fixing seat is fixed at the left end of the bottom side of the frame supporting mechanism. The first fixing seat and the second fixing seat are movably connected through a second rotating shaft, the frame is movably connected with the right side of the car hopper through a jacking oil cylinder, and connecting columns are welded to the left side and the right side of the upper end of the car hopper. According to the dumping anti-rollover device for the self-dumping semitrailer, by arranging the hopper supporting mechanism and the frame supporting mechanism, during dumping, the frame and the hopper can be effectively supported so as to ensure enough strength to bear part of the weight of the dumper during dumping, a double-supporting mode is adopted, the risk of rollover during dumping of the dumper is greatly reduced, and the dumping anti-rollover device for the self-dumping semitrailer is convenient to use. As the lengths of the first screw rod and the second screw rod can be adjusted, the device can be more suitable for the uneven ground, and the application range is widened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to self -discharging semitrailer technical field especially relates to a self -discharging semitrailer unloading anti -rollover device. BACKGROUND

[0002] The semi-trailer is a kind of road vehicle for cargo transportation, usually by tractor (trailer) and trailer two parts, the cargo loaded usually reaches the destination needs to unload, commonly used in transportation self-unloading semi-trailer, self-unloading semi-trailer is divided into rear tipping self-unloading semi-trailer and side tipping self-unloading semi-trailer, wherein side tipping semi-trailer realizes unloading by tipping side, and side tipping self-unloading semi-trailer has the characteristics of fast unloading speed and high efficiency compared with rear tipping self-unloading semi-trailer, but with the turning of the carriage, the center of gravity of the vehicle is offset, and side tipping occurs easily.

[0003] Through the retrieval, the patent with application No.202323159535.7 discloses a self-unloading semi-trailer unloading anti-rollover device, which increases the bearing capacity of the front side by landing the two support legs on the front side during unloading, and reduces the rollover situation, but using this support mechanism only to the carriage, the frame is still easy to tilt to the unloading direction, and there is still a certain rollover risk, and the support leg with fixed length cannot be applied to uneven ground. UTILITY MODEL CONTENT

[0004] To solve the problems in the prior art, the utility model provides a self-unloading semi-trailer unloading anti-rollover device, by setting up the car hopper support mechanism and the frame support mechanism, the frame and the car hopper can be effectively supported during unloading, to ensure enough strength to bear part of the weight of the vehicle unloading, using double support mode, greatly reduce the risk of vehicle unloading rollover, since the length of the first screw rod and the second screw rod can be adjusted, it is more applicable to uneven ground, and the application range is improved.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a self -discharging semi -trailer unloading anti -rollover device, including frame, car hopper, car hopper support mechanism and frame support mechanism, the left end of second fixed base is fixed to the upper side of frame, the left end of first fixed base is fixed to the bottom side of car hopper, first fixed base and second fixed base are movably connected through second pivot, the right side between frame and car hopper is movably connected through jacking oil jar, the left and right sides of car hopper upper end are all welded with connecting column, car hopper support mechanism includes groove, third fixed base, first pivot, first support sleeve and first screw rod, the left side of left end connecting column is provided with groove, the upper side of this groove is fixed with third fixed base, third fixed base is movably connected with first support sleeve through first pivot, first support sleeve is screwed with first screw rod in, frame support mechanism includes hydraulic oil jar, second support sleeve, second screw rod and support base, the left bottom of frame is installed with hydraulic oil jar, the telescopic end of hydraulic oil jar is fixed with second support sleeve, second support sleeve is screwed with second screw rod in, the bottom of second screw rod is fixed with support base, through setting up car hopper support mechanism and frame support mechanism, when unloading, car frame and car hopper can be supported effectively respectively, to ensure enough strength to bear the part weight of vehicle unloading, adopt double support mode, greatly reduce the risk of vehicle unloading rollover, since the length of first screw rod and second screw rod can be adjusted, it is more applicable to the uneven ground, improve the scope of application, car hopper support mechanism can be hiddenly arranged in the groove of connecting column, save the space.

[0007] Further, the groove bottom end of the connecting column is provided with a limiting screw groove, the bottom end of the first screw rod is screw-connected in the limiting screw groove, when the car hopper support mechanism is not used, the first screw rod is rotated until the bottom end of the first screw rod is screw-connected in the limiting screw groove, to avoid the first screw rod from shaking when the vehicle is running, and improve the running stability.

[0008] Further, the bottom left end of the frame is fixed with two left-right symmetrical limiting rods, the bottom ends of the limiting rods are fixed with a limiting sleeve, the second support sleeve is slidingly connected in the limiting sleeve, in the process that the second support sleeve is pushed downward by the hydraulic oil jar, the movement path of the second support sleeve is limited by the limiting sleeve, to ensure the use stability.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] 1. Through setting up car hopper support mechanism and frame support mechanism, when unloading, car frame and car hopper can be supported effectively respectively, to ensure enough strength to bear the part weight of vehicle unloading, adopt double support mode, greatly reduce the risk of vehicle unloading rollover, since the length of first screw rod and second screw rod can be adjusted, it is more applicable to the uneven ground, improve the scope of application, car hopper support mechanism can be hiddenly arranged in the groove of connecting column, save the space.

[0011] 2. When the vehicle hopper support mechanism is not used, rotate the first screw until the bottom end of the first screw is screwed into the limiting screw groove, avoiding the first screw from shaking when the vehicle is driving, improving driving stability, and limiting the movement path of the second support sleeve by the limiting sleeve during the process that the hydraulic oil cylinder pushes the second support sleeve to move downward, ensuring the use stability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model.

[0013] In the figure: 1 frame, 2 hopper, 3 connecting column, 4 hopper support mechanism, 41 recess, 42 third fixed seat, 43 first rotating shaft, 44 first support sleeve, 45 first screw, 5 frame support mechanism, 51 hydraulic oil cylinder, 52 second support sleeve, 53 second screw, 54 support seat, 6 first fixed seat, 7 second fixed seat, 8 second rotating shaft, 9 jacking oil cylinder, 10 limiting screw groove, 11 limiting rod, 12 limiting sleeve. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0015] In the description of the utility model, it is understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. EMBODIMENT

[0016] Referring to the drawings Figure 1As shown, a self-unloading semi-trailer unloading anti-rollover device, including frame 1, car 2, car support mechanism 4 and frame support mechanism 5, the left end of the upper side of the frame 1 is fixed with the second fixed seat 7, the left end of the bottom side of the car 2 is fixed with the first fixed seat 6, the first fixed seat 6 and the second fixed seat 7 are movably connected through the second shaft 8, the right side of the frame 1 and the car 2 is movably connected through the jacking oil cylinder 9, the left and right sides of the upper end of the car 2 are welded with connecting columns 3; The left side of the left end connecting column 3 is provided with a groove 41, the upper side of the groove 41 is fixed with a third fixed seat 42, the third fixed seat 42 is movably connected with a first support sleeve 44 through a first shaft 43, the first support sleeve 44 is internally screwed with a first screw 45, the frame support mechanism 5 includes a hydraulic oil cylinder 51, a second support sleeve 52, a second screw 53 and a support seat 54, the left side of the frame 1 is provided with a hydraulic oil cylinder 51, the extension end of the hydraulic oil cylinder 51 is fixed with a second support sleeve 52, the second support sleeve 52 is internally screwed with a second screw 53, the bottom end of the second screw 53 is fixed with a support seat 54, by setting the car support mechanism 4 and the frame support mechanism 5, the frame 1 and the car 2 can be effectively supported during unloading to ensure sufficient strength to withstand part of the weight of the vehicle unloading, the double support mode greatly reduces the risk of vehicle unloading rollover, since the length of the first screw 45 and the second screw can be adjusted, it is more suitable for uneven ground, the application range is improved, the car support mechanism 4 can be hidden in the groove 41 of the connecting column 3, saving space.

[0017] The bottom end of the groove 41 of the connecting column 3 is provided with a limiting screw groove 10, the bottom end of the first screw 45 is matched and screwed in the limiting screw groove 10, when the car support mechanism 4 is not used, the first screw 45 is rotated until the bottom end of the first screw 45 is screwed in the limiting screw groove 10, avoiding the first screw 45 from shaking when the vehicle is running, improving the running stability.

[0018] The bottom left end of the frame 1 is fixed with two left and right symmetrical limiting rods 11, the bottom end of the limiting rod 11 is fixed with a limiting sleeve 12, the second support sleeve 52 is slidably connected in the limiting sleeve 12, during the process of the second support sleeve 42 moving downward driven by the hydraulic oil cylinder 51, the movement path of the second support sleeve 52 is limited by the limiting sleeve 12, ensuring the use stability.

[0019] Working principle: during unloading, the jacking oil cylinder 9 is elongated, the car body 2 is lifted up at the right end, the car body 2 rotates around the second rotating shaft 8, at this time, the hydraulic oil cylinder 51 is elongated, the second supporting sleeve 52 is driven to move downwards until the bottom end of the supporting seat 54 contacts with the ground to support the vehicle frame 1, at the same time, with the turning of the car body 2, the first supporting sleeve 44 and the first screw rod 45 rotate around the first rotating shaft 43 under the action of gravity until the first screw rod 45 contacts with the ground to support the car body 2, so as to ensure enough strength to bear part of the weight of the vehicle during unloading, the double supporting mode greatly reduces the risk of overturning of the vehicle during unloading, since the lengths of the first screw rod 45 and the second screw rod are adjustable, the application range is improved, the car body supporting mechanism 4 can be hidden in the groove 41 of the connecting column 3, space is saved, when the car body supporting mechanism 4 is not used, the first screw rod 45 is rotated until the bottom end of the first screw rod 45 is screwed into the limiting screw groove 10 to avoid shaking of the first screw rod 45 during driving of the vehicle, driving stability is improved, during the process that the hydraulic oil cylinder 51 pushes the second supporting sleeve 42 to move downwards, the movement path of the second supporting sleeve 52 is limited by the limiting sleeve 12, so as to ensure stable use.

[0020] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model, therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model, any figure reference in the claims should not be regarded as limiting the involved claims.

[0021] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A self-unloading semi-trailer anti-tipping device, comprising a frame, a truck bed, a truck bed support mechanism, and a frame support mechanism, wherein a second fixed seat is fixed to the left end of the upper side of the frame, and a first fixed seat is fixed to the left end of the bottom side of the truck bed; the first fixed seat and the second fixed seat are movably connected by a second rotating shaft; the right side of the frame and the truck bed are movably connected by a lifting cylinder; and connecting columns are welded to both the left and right sides of the upper end of the truck bed, characterized in that: The car hop support mechanism comprises a groove, a third fixing base, a first rotating shaft, a first support sleeve and a first screw rod, the left side of the connecting column is provided with a groove, the upper side of the groove is fixed with a third fixing base, the third fixing base is movably connected with a first support sleeve through a first rotating shaft, and the first support sleeve is screwed with a first screw rod, the car frame support mechanism comprises a hydraulic oil cylinder, a second support sleeve, a second screw rod and a support base, the left bottom end of the car frame is provided with a hydraulic oil cylinder, the telescopic end of the hydraulic oil cylinder is fixed with a second support sleeve, the second support sleeve is screwed with a second screw rod, and the bottom end of the second screw rod is fixed with a support base.

2. The self-unloading semitrailer anti-rollover device according to claim 1, characterized in that: The bottom end of the groove of the connecting column is provided with a limiting screw groove, and the bottom end of the first screw rod is screw-connected in the limiting screw groove.

3. The self-unloading semitrailer anti-rollover device according to claim 1, characterized in that: The bottom left end of the car frame is fixed with two left-right symmetrical limiting rods, the bottom end of the limiting rod is fixed with a limiting sleeve between the limiting rods, and the second support sleeve is slidably connected in the limiting sleeve.

Images