CN219806740U - Lifting oil cylinder mounting structure - Google Patents

Abstract

The lifting oil cylinder mounting structure belongs to the field of transportation means, and is mounted on a freight container with a translation backward tilting self-unloading function, wherein the freight container is placed on a skeleton vehicle and comprises a lifting oil cylinder system, a container bracket, a translation oil cylinder and a container; the lifting oil cylinder system is arranged on the box bracket and comprises a connecting shaft, a piston rod, a multi-stage oil cylinder body, an installation shaft, a slideway, an oil cylinder main body, a pushing groove, a guide groove and a push-back clamping groove; the lifting oil cylinder can be horizontally placed, the occupied volume of a freight container is reduced, meanwhile, a connecting shaft type sliding mode is adopted, interference between the lifting oil cylinder and the container body during translation of the container body is reduced, the lifting oil cylinder is convenient to switch from a placing state to a lifting state, the lifting height is reduced, the lifting force is reduced, and the lifting force point and the gravity point of the cargo loaded in the container body are reasonably distributed; and the trouble caused by the movement of the hydraulic pipeline along with the lifting oil cylinder is eliminated.

Description

Lifting oil cylinder mounting structure

Technical Field

The utility model belongs to the field of transportation means, and particularly relates to a mounting structure of a lifting oil cylinder used on a translational rear-tipping self-unloading freight container.

Background

Freight containers are one of the common tools for transporting goods, and particularly in bulk transportation, the application of the freight containers is more extensive; for road transportation, the freight container is generally loaded on a skeleton car, and then the skeleton car is towed by a tractor for transporting the freight, that is, the freight container is separated from the skeleton car; in order to improve the transportation efficiency, people invent a freight container with a self-unloading function, especially in order to adapt to the tail unloading of the freight container, people invent a freight container with a self-unloading function which is tipped backwards, so that the unloading efficiency is greatly improved; in use, the existing backward-tipping self-unloading freight container mostly adopts a vertical lifting element, namely a vertically installed hydraulic cylinder as a lifting element, and the front part of the freight container is jacked up, so that the backward tipping of the freight container is realized, and the backward unloading function is realized; this has the disadvantage that the working stroke requirement for the hydraulic ram as lifting element is high, since the freight container is mostly much longer in front-to-back than in left-to-right (here, both in front-to-back and left-to-right are based on the direction of travel of the vehicle), which requires a high lifting stroke to achieve reclined discharge; furthermore, the lifting force requirement on the hydraulic cylinder is high; moreover, due to the two requirements, the hydraulic oil cylinder is large in size and heavy in weight, and for the freight container with the translation and backward turning functions, the hydraulic oil pipe needs to move along with the hydraulic oil cylinder, so that great trouble is caused to the installation and placement of a hydraulic system.

Disclosure of Invention

Aiming at the problems of the existing backward tilting translation self-unloading freight container, the utility model provides the lifting oil cylinder which can not translate along with the translation of the freight container and is not in a lifting state, and meanwhile, the lifting oil cylinder is horizontally arranged, so that the occupied volume of the container body can be reduced, and the small lifting stroke and the small lifting force can be kept to be adopted; the concrete technical scheme is, a lift cylinder mounting structure, its characterized in that: the lifting oil cylinder is arranged on a freight container with a translation backward tilting self-unloading function, and the freight container is placed on a skeleton car and comprises a lifting oil cylinder system, a container bracket, a translation oil cylinder and a container; the lifting oil cylinder system is arranged on the box bracket and comprises a connecting shaft, a piston rod, a multi-stage oil cylinder body, an installation shaft, a slideway, an oil cylinder main body, a pushing groove, a guide groove and a push-back clamping groove; the connecting shaft is arranged at the end part of the piston rod, is connected with the end part of the piston rod and is vertical to the piston rod; the piston rod is arranged in the last cylinder body of the multi-stage cylinder body and can move in the last cylinder body; the multistage oil cylinder body is sequentially arranged in the oil cylinder body and is sequentially nested; the mounting shaft is arranged on the oil cylinder main body, is positioned on the outer circumference of the oil cylinder main body, is perpendicular to the axial line of the oil cylinder main body, and is positioned on the same cross section of the oil cylinder main body; the slideway is arranged at the bottom of the box body and is connected with the box body; the two slide ways are respectively positioned at two ends of the connecting shaft and can limit the up-and-down movement range of the connecting shaft; the oil cylinder main body is arranged on the box bracket and is connected with the box bracket through a mounting shaft, and can swing on the box bracket along the mounting shaft; the pushing groove is arranged at the front end of the slideway and consists of two or more flaky bodies with notch grooves, the size and the shape of the notch grooves are matched with those of the connecting shaft, and the minimum distance between the two flaky bodies close to the piston rod is larger than the diameter of the piston rod; the guide groove is arranged on the slideway and can accommodate the connecting shaft (when the bearings are arranged at the two ends of the connecting shaft, the bearings at the two ends can be accommodated to roll in the guide groove) to slide in the guide groove; the push-back clamping groove is arranged at the end part of the slideway, and is opposite to the pushing groove and is positioned at the other end of the slideway; the shape and the size of the groove of the push-back clamping groove are matched with the cross section shape and the size of the connecting shaft; the distance between the pushing groove and the back pushing groove is larger than the effective stroke of the horizontal pushing oil cylinder, namely larger than the maximum distance of translation of the box body.

The box bracket is placed on the skeleton car and is clamped with the skeleton car, so that the box bracket can be quickly separated from the skeleton car; the translation oil cylinder is arranged on the box bracket and connected with the box bracket, a piston rod of the translation oil cylinder is connected with the bottom of the box, and when the piston rod moves, the box can be driven to translate on the box bracket; the box body is a cavity body with an upper opening and a rear door.

Furthermore, the bearings are arranged at the two ends of the connecting shaft, can rotate at the two ends of the connecting shaft and can roll on the slideway in contact with the slideway.

Further, the connecting shaft is a circular section shaft.

Further, the mounting shafts are arranged on two sides of the oil cylinder main body and extend to two sides.

Further, more than one push-back clamping groove is arranged.

Advantageous effects

The lifting oil cylinder has the beneficial effects that the lifting oil cylinder can be horizontally placed, the occupied volume of a freight container is reduced, meanwhile, a connecting shaft type sliding mode is adopted, interference between the lifting oil cylinder and the container body during container body translation is reduced, the lifting oil cylinder is convenient to switch from a placing state to a lifting state, the lifting height (because the container body translation is increased) is reduced, the lifting force is reduced, and the lifting force point and the gravity point of the container body for carrying goods are reasonably distributed; and the trouble caused by the movement of the hydraulic pipeline along with the lifting oil cylinder is eliminated.

Drawings

Figure 1 is a schematic view of the exterior structure of a cargo box with a recline and dump function

FIG. 2 is a schematic diagram of the position of the carriage and lift cylinder and the translation cylinder on the frame car

FIG. 3 is a schematic view of the mounting position of the lift cylinder

FIG. 4 is a schematic view of the structure of the guide and slide tracks, and the push and push-back slots of the lift cylinder

1. The hydraulic truck comprises a skeleton car, a lifting oil cylinder, a translation oil cylinder, a box bracket, a box 5, a connecting shaft, a piston rod, a multi-stage oil cylinder, a mounting shaft, a slideway, a cylinder body, a pushing groove, a guiding groove and a pushing clamping groove.

Detailed Description

In order to better illustrate the technical scheme of the utility model, the specific embodiment of the utility model is further illustrated by referring to the drawings, as shown in fig. 1-4, in this example, the box bracket 4 is selectively placed on the skeleton car 1, and is clamped with the skeleton car 1, so that the box bracket can be quickly separated from the skeleton car 1; the translation oil cylinder 3 is arranged on the box bracket 4 and is connected with the box bracket 4, a piston rod 22 of the translation oil cylinder 3 is connected with the bottom of the box 5, and when the piston rod 22 moves, the box 5 can be driven to translate on the box bracket 4; the box body 5 is a cavity body with an upper opening and a rear door, so that the implementation of the box body bracket 4 and the translation cylinder 3 is completed.

The lifting oil cylinder 2 system is arranged on the box bracket 4, the connecting shaft 21 is arranged at the end part of the piston rod 22, is connected with the end part of the piston rod 22 and is vertical to the piston rod 22; the piston rod 22 is arranged in the last cylinder body of the multi-stage cylinder body 23 and can move in the last cylinder body; the multistage oil cylinder body 23 is sequentially arranged in the oil cylinder main body 26 and is sequentially nested; the mounting shaft 24 is arranged on the oil cylinder main body 26, is positioned on the outer circumference of the oil cylinder main body 26, is perpendicular to the axial line of the oil cylinder main body 26, and is positioned on the same cross section of the oil cylinder main body 26; the slideway 25 is arranged at the bottom of the box body 5 and is connected with the box body 5; the two slide ways 25 are respectively positioned at two ends of the connecting shaft 21, and can limit the up-and-down movement range of the connecting shaft 21; the oil cylinder main body 26 is mounted on the box bracket 4, is connected with the box bracket 4 through the mounting shaft 24, and can swing on the box bracket 4 along the mounting shaft 24; the pushing groove 27 is arranged at the front end of the slideway 25 and consists of two or more flaky bodies with notch grooves, the size and shape of the notch grooves are matched with those of the connecting shaft 21, and the minimum distance between the two flaky bodies close to the piston rod 22 is larger than the diameter of the piston rod 22; the guide groove 28 is arranged on the slideway 25, and can accommodate the connecting shaft 21 (when the bearings are arranged at the two ends of the connecting shaft 21, the bearings at the two ends can be accommodated to roll in the guide groove 28) to slide in the guide groove 28; the push-back clamping groove 29 is arranged at the end part of the slideway 25, and is opposite to the push groove 27 and positioned at the other end of the slideway 25; the shape and the size of the groove of the push-back clamping groove 29 are matched with the cross section shape and the size of the connecting shaft 21; the distance between the pushing groove 27 and the pushing back clamping groove 29 is larger than the effective stroke of the horizontal pushing cylinder, namely, the maximum translation distance of the box body 5, so that the implementation of the lifting cylinder 2 is completed.

When the lifting oil cylinder 2 is in an approximately horizontal state, namely, a position with an included angle smaller than 30 degrees with a horizontal plane, the translation oil cylinder 3 is started to push the box body 5 to move backwards on the box body bracket 4, the length of the slideway 25 is longer than the stroke of the translation oil cylinder 3, at the moment, the pushing groove 27 is not contacted with the connecting shaft 21, the pushing groove 27 is clamped with the connecting shaft 21 along with the pushing of the translation oil cylinder 3 and the backward movement of the box body 5, the connecting shaft 21 is pushed to move backwards along with the box body 5, and the connecting shaft 21 is arranged at the upper end of the piston rod 22 to drive the piston rod 22 and the upper ends of the multi-stage oil cylinder body 23 and the oil cylinder main body 26 to move backwards, so that the whole lifting oil cylinder 2 swings around the mounting shaft 24, and the swinging direction is that the upper end is backwards and the lower end is forwards; when the lifting state is swung, the stroke of the translation oil cylinder 3 is ended, the connecting shaft 21 is clamped with the pushing groove 27, the lifting oil cylinder 2 is started, the piston rod 22 drives the connecting shaft 21, the connecting shaft 21 drives the pushing groove 27, the pushing groove 27 drives the box body 5 to move upwards to the bottom, the box body 5 rotates around the overturning shaft until unloading is completed, and the lifting oil cylinder 2 returns; at this time, the translation cylinder 3 moves reversely to drive the box 5 to move forward, after a certain distance, the push-back clamping groove 29 is clamped with the connecting shaft 21 to push the upper part of the lifting cylinder 2 to move forward, so that the whole lifting cylinder 2 swings reversely around the mounting shaft 24 until the box 5 returns to the original position, the lifting cylinder 2 returns to the original approximately horizontal position, one unloading is completed, and the backward-moving backward-turning self-unloading function of the freight container can be realized by repeating the above processes.

Claims (6)

1. The utility model provides a lifting cylinder mounting structure which characterized in that: the lifting oil cylinder is arranged on a freight container with a translation backward tilting self-unloading function, and the freight container is placed on a skeleton car and comprises a lifting oil cylinder system, a container bracket, a translation oil cylinder and a container; the lifting oil cylinder system is arranged on the box bracket and comprises a connecting shaft, a piston rod, a multi-stage oil cylinder body, an installation shaft, a slideway, an oil cylinder main body, a pushing groove, a guide groove and a push-back clamping groove; the connecting shaft is arranged at the end part of the piston rod, is connected with the end part of the piston rod and is vertical to the piston rod; the piston rod is arranged in the last cylinder body of the multi-stage cylinder body and can move in the last cylinder body; the multistage oil cylinder body is sequentially arranged in the oil cylinder body and is sequentially nested; the mounting shaft is arranged on the oil cylinder main body, is positioned on the outer circumference of the oil cylinder main body, is perpendicular to the axial line of the oil cylinder main body, and is positioned on the same cross section of the oil cylinder main body; the slideway is arranged at the bottom of the box body and is connected with the box body; the two slide ways are respectively positioned at two ends of the connecting shaft and can limit the up-and-down movement range of the connecting shaft; the oil cylinder main body is arranged on the box bracket and is connected with the box bracket through a mounting shaft, and can swing on the box bracket along the mounting shaft; the pushing groove is arranged at the front end of the slideway and consists of two or more flaky bodies with notch grooves, the size and the shape of the notch grooves are matched with those of the connecting shaft, and the minimum distance between the two flaky bodies close to the piston rod is larger than the diameter of the piston rod; the guide groove is arranged on the slideway and can accommodate the connecting shaft to slide in the guide groove; the push-back clamping groove is arranged at the end part of the slideway, and is opposite to the pushing groove and is positioned at the other end of the slideway; the shape and the size of the groove of the push-back clamping groove are matched with the cross section shape and the size of the connecting shaft; the distance between the pushing groove and the back pushing groove is larger than the effective stroke of the horizontal pushing oil cylinder, namely larger than the maximum distance of translation of the box body.

2. The lift cylinder mounting structure of claim 1, wherein: the box bracket is placed on the skeleton car and is clamped with the skeleton car, so that the box bracket can be quickly separated from the skeleton car; the translation oil cylinder is arranged on the box bracket and connected with the box bracket, a piston rod of the translation oil cylinder is connected with the bottom of the box, and when the piston rod moves, the box can be driven to translate on the box bracket; the box body is a cavity body with an upper opening and a rear door.

3. The lift cylinder mounting structure of claim 1, wherein: bearings are mounted at two ends of the connecting shaft, can rotate at two ends of the connecting shaft and can roll on the slideway in contact with the slideway.

4. The lift cylinder mounting structure of claim 1, wherein: the connecting shaft is a circular section shaft.

5. The lift cylinder mounting structure of claim 1, wherein: the installation shafts are arranged on two sides of the oil cylinder main body and extend to two sides.

6. The lift cylinder mounting structure of claim 1, wherein: the number of the push-back clamping grooves is more than one.