Novel light-weight dumper front jacking hydraulic cylinder

Abstract

The utility model discloses a novel light-weight dumper front jacking hydraulic cylinder, relates to the technical field of hydraulic cylinders, and aims to solve the technical problems that in the prior art, a hydraulic cylinder is generally adopted for jacking and overturning a front jacking of an existing novel light-weight dumper to unload, but the hydraulic cylinder bears stress in all directions in the jacking process, and the unloading time is shortened. The hydraulic cylinder is easily bent by force in the direction perpendicular to the hydraulic cylinder, so that the service life of the hydraulic cylinder is shortened, and the use is not reliable enough. The hydraulic cylinder comprises a jacking rod and a cylinder body, the end of the jacking rod is fixedly connected with a jacking connecting support, one end of the cylinder body is connected with a bottom connecting support, and an anti-bending stress device is fixedly connected between the jacking connecting support and the bottom connecting support. Four fixing hoops used for being connected with an anti-bending stress device are arranged on the outer side of the cylinder body, a fixing base is rotationally connected to the lower portion of the bottom connecting support, and a connecting base is welded to one end of the cylinder body.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder technical field, concretely is a novel lightweight dump truck front top hydraulic cylinder. BACKGROUND

[0002] The oil cylinder of the dump truck is an important component of the dump truck and is mainly responsible for controlling the unloading action of the dump truck.

[0003] For example, the announcement number is CN221074840U, a novel lightweight dump truck front top hydraulic cylinder, including cylinder barrel, the front end of cylinder barrel is connected with lower hinge shaft, still including upper hinge shaft, the middle of upper hinge shaft is equipped with the threaded hole that penetrates, the upper top axle of plunger rod is equipped with corresponding outer thread, upper hinge shaft and the upper top axle of plunger rod are connected in screw thread, the root of upper top axle of plunger rod has step face, the bottom surface of upper hinge shaft is supported and is limited through step face, and is fixedly connected through lock nut and spring washer in upper portion;

[0004] The structure of the above-mentioned application is simple and reliable, and has the advantages of the original two structures. It is stable, light in weight, low in cost, easy to disassemble, can prolong the service life of the hydraulic cylinder, and realizes the lightweight of the hydraulic cylinder assembly and the whole vehicle. However, in the jacking process, the hydraulic cylinder will bear all directions of stress, and the force perpendicular to the hydraulic cylinder is easy to bend the hydraulic cylinder, which shortens the service life of the hydraulic cylinder and makes it not reliable enough. Therefore, there is an urgent need to develop a novel lightweight dump truck front top hydraulic cylinder to help people solve the existing problems. Utility model content

[0005] The utility model aims at providing a novel lightweight dump truck front top hydraulic cylinder to solve the problem that the current novel lightweight dump truck front top generally adopts hydraulic cylinder jacking and overturning for unloading, but in the jacking process, the hydraulic cylinder will bear all directions of stress, and the force perpendicular to the hydraulic cylinder is easy to bend the hydraulic cylinder, which shortens the service life of the hydraulic cylinder and makes it not reliable enough.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel lightweight dump truck front top hydraulic cylinder, comprising a hydraulic cylinder, the hydraulic cylinder comprising a jacking rod and a cylinder body, the end of the jacking rod is fixedly connected with a jacking connection bracket, one end of the cylinder body is connected with a bottom connection bracket, a bending-preventing force receiver is fixedly connected between the jacking connection bracket and the bottom connection bracket, a fixing hoop for connecting the bending-preventing force receiver is arranged on the outside of the cylinder body, and the fixing hoop is provided with four.

[0007] By the above technical scheme, two anti-bending force receivers are arranged outside the hydraulic cylinder, and the anti-bending force receivers are fixed with the hydraulic cylinder by fixing hoops, the bottom of the cylinder body and the top of the jacking rod are fixed with the anti-bending force receivers through connecting frames, so that the force perpendicular to the cylinder body during the jacking of the hydraulic cylinder is borne by the two anti-bending force receivers, thereby the bending of the cylinder body due to force can be avoided, the service life of the hydraulic cylinder is improved, and the use reliability is improved.

[0008] In a preferred example, the bottom connecting support is rotatably connected with a fixing seat below.

[0009] By the above technical scheme, the fixing seat is connected and fixed with the dump truck.

[0010] In a preferred example, one end of the cylinder body is welded with a connecting seat, and the bottom connecting support is fixedly connected with the connecting seat through bolts.

[0011] In a preferred example, the anti-bending force receiver comprises a hollow outer pipe and a solid inner pipe, and the solid inner pipe is arranged inside the hollow outer pipe.

[0012] By the above technical scheme, the solid inner pipe is installed inside the hollow outer pipe, and during the jacking of the hydraulic cylinder, the solid inner pipe and the hollow outer pipe are slidably connected, so that the force in different lengths can be met, and the use reliability is improved.

[0013] In a preferred example, a first connecting head is welded at the bottom of the hollow outer pipe, the first connecting head is fixedly connected with the bottom connecting support through a nut, and the solid inner pipe is fixedly connected with the jacking connecting support through a nut.

[0014] In a preferred example, a second connecting head is welded at one end of the jacking rod, and the second connecting head is fixedly connected with the jacking connecting support through a nut.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1. The utility model discloses two anti-bending force receivers arranged outside the hydraulic cylinder, and the anti-bending force receivers are fixed with the hydraulic cylinder by fixing hoops, the bottom of the cylinder body and the top of the jacking rod are fixed with the anti-bending force receivers through connecting frames, so that the force perpendicular to the cylinder body during the jacking of the hydraulic cylinder is borne by the two anti-bending force receivers, thereby the bending of the cylinder body due to force can be avoided, the service life of the hydraulic cylinder is improved, and the use reliability is improved.

[0017] 2. The utility model discloses a solid inner tube is installed to the inside of hollow outer tube, when the hydraulic cylinder jacking action, the sliding connection between solid inner tube and hollow outer tube can satisfy the stress under different length condition, improve the use reliability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of a novel lightweight self-unloading vehicle front top hydraulic cylinder of the utility model;

[0019] Figure 2 It is a sectional view of the anti-bending force device of the utility model;

[0020] Figure 3 It is a front view of the hydraulic cylinder of the utility model.

[0021] In the drawing: 1, hydraulic cylinder; 2, jacking connection support; 3, bottom connection support; 4, fixed seat; 5, anti-bending force device; 6, fixed hoop; 7, hollow outer tube; 8, solid inner tube; 9, first connecting head; 10, second connecting head; 11, connecting seat. DETAILED DESCRIPTION

[0022] 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.

[0023] In the description of the present application, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application 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, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be explained that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Please refer to Figure 1The utility model provides an embodiment: a novel lightweight self -discharging car front top hydraulic cylinder, including hydraulic cylinder 1, hydraulic cylinder 1 includes jacking rod and cylinder body, the end of jacking rod is fixedly connected with jacking connection support 2, one end of cylinder body is connected with bottom connection support 3, jacking connection support 2 and bottom connection support 3 between fixedly connected with anti -bending force ware 5, the outside of cylinder body is provided with the fixed hoop 6 for connecting anti -bending force ware 5, and the fixed hoop 6 is provided with four.

[0026] Please refer to Figure 1 , and bottom connection support 3 below rotatoryly connected with fixed seat 4.

[0027] Please refer to Figure 1 And Figure 3 , one end of cylinder body is welded with connecting seat 11, and bottom connection support 3 is fixedly connected with connecting seat 11 by bolt.

[0028] Please refer to Figure 2 , anti -bending force ware 5 includes hollow outer tube 7 and solid inner tube 8, and solid inner tube 8 is arranged in the inside of hollow outer tube 7.

[0029] Please refer to Figure 1 And Figure 2 , the bottom of hollow outer tube 7 is welded with first connecting head 9, and first connecting head 9 is fixedly connected with bottom connection support 3 by nut, and solid inner tube 8 is fixedly connected with jacking connection support 2 by nut.

[0030] Please refer to Figure 1 And Figure 3 , one end of jacking rod is welded with second connecting head 10, and second connecting head 10 is fixedly connected with jacking connection support 2 by nut.

[0031] Working principle: when using, jacking connection support 2 is connected with unloading hopper, and bottom connection support 3 is connected with self -discharging car, so that the unloading hopper can be jacked and turned by hydraulic cylinder 1, and in the process of turning, the force perpendicular to hydraulic cylinder 1 and not on the same axis with hydraulic cylinder 1 will be stressed by anti -bending force ware 5, so that the bending of cylinder body under stress can be avoided, and simultaneously, solid inner tube 8 and hollow outer tube 7 are slidingly connected in the process of jacking of hydraulic cylinder 1, so that support force can be provided all the time.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A new lightweight front top hydraulic cylinder for a dump truck, comprising a hydraulic cylinder (1), characterized in that: The hydraulic cylinder (1) comprises a jacking rod and a cylinder body, the end of the jacking rod is fixedly connected with a jacking connecting support (2), one end of the cylinder body is connected with a bottom connecting support (3), the jacking connecting support (2) and the bottom connecting support (3) are fixedly connected with a bending-preventing force receiver (5), the outer side of the cylinder body is provided with a fixing hoop (6) for connecting the bending-preventing force receiver (5), and the fixing hoop (6) is provided with four.

2. A new type of lightweight hydraulic cylinder for the front top of a dump truck, according to claim 1, characterized in that: The bottom connecting support (3) is rotatably connected with a fixing seat (4) below.

3. The new type of lightweight dump truck front top hydraulic cylinder according to claim 1, characterized in that: One end of the cylinder body is welded with a connecting seat (11), and the bottom connecting support (3) is fixedly connected with the connecting seat (11) through bolts.

4. The new type of lightweight dump truck front top hydraulic cylinder according to claim 1, characterized in that: The bending-preventing force receiver (5) comprises a hollow outer pipe (7) and a solid inner pipe (8), and the solid inner pipe (8) is arranged in the hollow outer pipe (7).

5. A new type of lightweight dump truck front top hydraulic cylinder according to claim 4, characterized in that: The bottom of the hollow outer pipe (7) is welded with a first connecting head (9), the first connecting head (9) is fixedly connected with the bottom connecting support (3) through a nut, and the solid inner pipe (8) is fixedly connected with the jacking connecting support (2) through a nut.

6. A new type of lightweight hydraulic cylinder for front top of dump truck according to claim 1, characterized in that: One end of the jacking rod is welded with a second connecting head (10), and the second connecting head (10) is fixedly connected with the jacking connecting support (2) through a nut.

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