CN113370736A

CN113370736A - Rear wheel structure of container loader

Info

Publication number: CN113370736A
Application number: CN202110735897.2A
Authority: CN
Inventors: 文民青; 施千里; 徐中亚
Original assignee: Hubei Hanggang Technology Co ltd
Current assignee: Hubei Hanggang Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-09-10

Abstract

The invention provides a rear wheel structure of a container loader, and belongs to the technical field of container loaders. The rear wheel of the loader solves the technical problems of large occupied space, high maintenance cost and the like of the rear wheel of the existing loader. This rear wheel structure of collection dress cargo loader includes the installing support, the upside of installing support is provided with hydraulic cylinder, the vertical setting of hydraulic cylinder, hydraulic cylinder's top links firmly with collection dress cargo loader's frame, hydraulic cylinder's bottom links firmly with the middle part of installing support, the inside both ends of installing support all are provided with the small tyre, the middle part of small tyre runs through and is provided with the center pin, the both sides of installing support all are provided with the ring flange, the both ends and the installing support of center pin pass through the ring flange and link firmly, it is equipped with non-maintaining bearing to lie in the inside position cover of small tyre on the center pin. The invention has the advantages of small occupied space, no need of maintenance and low use cost.

Description

Rear wheel structure of container loader

Technical Field

The invention belongs to the technical field of loaders, and relates to a rear wheel structure of a container loader.

Background

A bulk cargo loader is used for short-distance transfer of bulk cargo, such as boarding and disembarking planes for airport cargo; to accommodate platforms of different heights, there is typically a height lift function. The common lifting device adopts a lever principle, although the oil cylinder force can be increased when the same height is lifted by utilizing the lever principle, the structure needs large space and complex mechanism, and the small tire is installed and is troublesome to disassemble, assemble and maintain due to narrow space.

Disclosure of Invention

The invention provides a rear wheel structure of a container loader aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to simplify the structure of the rear wheel of the loader, reduce the volume and make it free from maintenance.

The purpose of the invention can be realized by the following technical scheme:

a rear wheel structure of a container loader comprises a mounting bracket which is of a rectangular frame structure, it is characterized in that the mounting bracket is provided with a hydraulic oil cylinder which is arranged vertically upwards, the top end of the hydraulic oil cylinder is provided with a mounting plate fixedly connected with a frame of the container cargo loader, the bottom end of the hydraulic oil cylinder is fixedly connected with the middle part of the mounting bracket, the two ends of the inner part of the mounting bracket are provided with small tires, the middle part of each small tire is provided with a central shaft along the axial direction thereof in a penetrating way, the two sides of the mounting bracket are respectively provided with a flange plate, the two ends of the central shaft are fixedly connected with the mounting bracket through the flange plates, the center pin is located the inside position cover of small tyre is equipped with non-maintaining bearing, the small tyre cover is established on the outer lane of bearing, the inner circle of bearing with the center pin links firmly.

The working principle is as follows: the hydraulic oil cylinder on the rear wheel structure is fixedly connected with the rack and the mounting bracket of the container cargo loader respectively, and when the hydraulic oil cylinder drives the output shaft to extend out, the distance between the mounting bracket and the rack of the container cargo loader is increased accordingly. The small tire sets up at the inside both ends of installing support, and the center pin that runs through on the small tire is connected on the installing support, and the both ends of center pin and the both sides lateral wall of installing support link firmly through two ring flanges, therefore the center pin can not rotate along with the rotation of small tire. The central shaft is sleeved with a maintenance-free bearing, which can be a rolling bearing produced by German Merck (IMROK). The rear wheel structure of the container loader is simple in composition and convenient to install and maintain. The space that the during operation needs is little, is convenient for carry out work, and the advantage is especially outstanding to this equipment that requires very high space of collection dress cargo loader. The small tire is not easy to disassemble, assemble and maintain, and the use cost is reduced by adopting a maintenance-free bearing.

Alternatively, the hydraulic oil cylinder can be replaced by an electric telescopic rod, an air cylinder and the like.

In foretell collection dress cargo loader's rear wheel structure, lie in on the center pin one side position of small tyre is provided with ends the position, lie in on the center pin the opposite side position cover of small tyre is equipped with lock nut, one side of bearing supports and leans on end the position, the opposite side of bearing with lock nut supports and leans on. The axial of bearing is spacing like this for the installation of bearing is comparatively stable.

In the rear wheel structure of the container loader, the flange plate comprises a limiting flange and a connecting flange, the limiting flange is arranged on one side of the mounting bracket, the connecting flange is arranged on the other side of the mounting bracket, and the limiting flange and the connecting flange are respectively connected with two ends of the central shaft. Particularly, the limiting flange and the connecting flange are fixedly connected with the mounting bracket through screws respectively. The central shaft and the mounting bracket are stably and fixedly connected by the limiting flange and the connecting flange.

In the rear wheel structure of the container cargo loader, the limiting flange and the connecting flange are coaxially arranged with the central shaft, the limiting flange and the connecting flange face towards one side of the mounting bracket and are provided with the insertion rod, the middle part of the insertion rod is provided with the insertion groove, the two ends of the mounting bracket are provided with the insertion holes, the insertion rod penetrates through the insertion holes, one end of the central shaft is inserted into the insertion groove on the connecting flange, and the other end of the central shaft is clamped in the insertion groove on the limiting flange. The two ends of the central shaft are respectively matched with the insertion grooves on the limiting flange and the connecting flange.

In the rear wheel structure of the container loader, the mounting plate is a horizontally arranged square plate body structure, and four corners of the mounting plate are provided with connecting holes used for being connected with the rack.

In the rear wheel structure of the container loader, the two small tires are arranged in parallel front and back along the length direction of the mounting bracket, and the hydraulic oil cylinder is arranged between the two small tires.

Compared with the prior art, the invention has the following advantages:

1. the hydraulic oil cylinder is used in the rear wheel structure to replace an original common lever lifting mechanism, the hydraulic oil cylinder is directly connected with the wheel and the frame, the lever proportion is avoided, the stroke of the oil cylinder is reduced, and the hydraulic pressure of the rear wheel is far smaller than the pressure of the whole vehicle, so that the whole use is not influenced. The volume is further reduced after the lever structure is cancelled; the weight is reduced, the structure is simplified, and the space is saved.

2. This rear wheel structure can bear 15 tons, and the bearing of establishing on the center pin cover is non-maintaining bearing, need not add frequent maintenance such as butter, reduces the maintenance expense, and use cost is low.

Drawings

Fig. 1 is a perspective view of the rear wheel structure.

Fig. 2 is a front view of the present rear wheel structure.

Fig. 3 is a cross-sectional view at a-a in fig. 2.

In the figure, 1, a bracket is installed; 1a, inserting holes; 2. a hydraulic cylinder; 3. a small tire; 4. a central shaft; 4a, stopping; 5. a flange plate; 5a, a limiting flange; 5b, connecting a flange; 5c, inserting the connecting rod; 5d, inserting grooves; 6. a bearing; 7. locking the nut; 8. a screw; 9. and (7) mounting the plate.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the rear wheel structure of the container cargo loader comprises a mounting support 1, the mounting support 1 is a rectangular frame structure, a hydraulic cylinder 2 is arranged on the mounting support 1, an output shaft of the hydraulic cylinder 2 is vertically arranged upwards, a mounting plate 9 is arranged at the top end of the hydraulic cylinder 2, the mounting plate 9 is a horizontally arranged square plate structure, connecting holes for connecting with a frame are arranged at four corners of the mounting plate 9, the mounting plate 9 is fixedly connected with the frame of the container cargo loader through bolts inserted in the connecting holes, the bottom end of a shell of the hydraulic cylinder 2 is fixedly connected with the middle part of the mounting support 1, small tires 3 are arranged at two ends inside the mounting support 1, a central shaft 4 is arranged at the middle part of each small tire 3 in an axial direction in a penetrating manner, flanges 5 are arranged at two sides of the mounting support 1 close to the two ends, and, the position of the central shaft 4, which is positioned inside the small tire 3, is sleeved with a maintenance-free bearing 6, the small tire 3 is sleeved on an outer ring of the bearing 6, and an inner ring of the bearing 6 is fixedly connected with the central shaft 4. One side cover that lies in the small tyre 3 on center pin 4 is equipped with lock nut 7, and the opposite side that lies in small tyre 3 on center pin 4 is provided with ends position 4a, and the one end of bearing 6 is supported and is leaned on ending position 4a, and the other end and the lock nut 7 of bearing 6 support and lean on.

The mounting plate 9 on the hydraulic oil cylinder 2 is fixedly connected with the frame, the hydraulic oil cylinder 2 is further fixedly connected with the mounting bracket 1, and the output shaft on the hydraulic oil cylinder 2 moves up and down to drive the distance between the frame and the mounting bracket 1 to change. The small tires 3 are arranged at two ends inside the mounting support 1, the central shaft 4 penetrates through the small tires 3, two ends of the central shaft 4 are fixedly connected with the mounting support 1 through two flange plates 5, and the rear wheel of the container cargo loader is simple in structure, small in occupied space and low in use cost.

Further, the two small tires 3 are arranged in parallel front and back along the length direction of the mounting bracket 1, and the hydraulic oil cylinder 2 is arranged between the two small tires 3; the flange 5 includes limiting flange 5a and flange 5b, and limiting flange 5a sets up in one side of installing support 1, and flange 5b sets up the opposite side at installing support 1, and limiting flange 5a and flange 5b are connected with the both ends of center pin 4 respectively, and limiting flange 5a and flange 5b link firmly through screw 8 with installing support 1 respectively. Limiting flange 5a and flange 5b all with the coaxial setting of center pin 4, limiting flange 5a and flange 5b all are provided with peg graft pole 5c towards one side of installing support 1, the inserting groove 5d has been seted up at the middle part of peg graft pole 5c, inserting hole 1a has all been seted up at the both ends of installing support 1, peg graft pole 5c passes inserting hole 1a, the one end of center pin 4 is pegged graft in inserting groove 5d on flange 5b, the other end joint of center pin 4 is in inserting groove 5d on limiting flange 5 a. One end of the central shaft 4 penetrates through the insertion hole 1a and is inserted into the insertion groove 5d on the connecting flange 5b, the other end of the central shaft 4 penetrates through the insertion hole 1a and is clamped in the insertion groove 5d on the limiting flange 5a, and the limiting flange 5a and the connecting flange 5b are further fixedly connected with the mounting bracket 1 through screws 8.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although more 1, mounting brackets are used herein; 1a, inserting holes; 2. a hydraulic cylinder; 3. a small tire; 4. a central shaft; 4a, stopping; 5. a flange plate; 5a, a limiting flange; 5b, connecting a flange; 5c, inserting the connecting rod; 5d, inserting grooves; 6. a bearing; 7. locking the nut; 8. a screw; 9. mounting plates, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. A rear wheel structure of a container cargo loader comprises a mounting support (1), wherein the mounting support (1) is of a rectangular frame structure, and is characterized in that a hydraulic oil cylinder (2) is arranged on the mounting support (1), the hydraulic oil cylinder (2) is vertically arranged upwards, a mounting plate (9) fixedly connected with a frame of the container cargo loader is arranged at the top end of the hydraulic oil cylinder (2), the bottom end of the hydraulic oil cylinder (2) is fixedly connected with the middle part of the mounting support (1), small tires (3) are arranged at two ends inside the mounting support (1), a central shaft (4) penetrates through the middle part of each small tire (3) along the axial direction of the central shaft, flanges (5) are arranged at two sides of the mounting support (1), two ends of the central shaft (4) are fixedly connected with the mounting support (1) through the flanges (5), lie in on center pin (4) little tire (3) inside position cover is equipped with non-maintaining bearing (6), little tire (3) cover is established on the outer lane of bearing (6), the inner circle of bearing (6) with center pin (4) link firmly.

2. The rear wheel structure of a container loader as claimed in claim 1, wherein a stop (4a) is provided on one side of the central shaft (4) on the small tires (3), a lock nut (7) is sleeved on the other side of the central shaft (4) on the small tires (3), one side of the bearing (6) abuts against the stop (4a), and the other side of the bearing (6) abuts against the lock nut (7).

3. The rear wheel structure of a bulk cargo loader according to claim 1 or 2, wherein the flange plate (5) comprises a limit flange (5a) and a connecting flange (5b), the limit flange (5a) is disposed on one side of the mounting bracket (1), the connecting flange (5b) is disposed on the other side of the mounting bracket (1), the limit flange (5a) and the connecting flange (5b) are respectively disposed at two ends of the central shaft (4), and the limit flange (5a) and the connecting flange (5b) are respectively fixedly connected with the mounting bracket (1) through screws (8).

4. The rear wheel structure of the container cargo loader as claimed in claim 3, wherein the limiting flange (5a) and the connecting flange (5b) are coaxially arranged with the central shaft (4), one side of the limiting flange (5a) and one side of the connecting flange (5b) facing the mounting bracket (1) are respectively provided with an insertion rod (5c), the middle part of the insertion rod (5c) is provided with an insertion groove (5d), the two ends of the mounting bracket (1) are respectively provided with an insertion hole (1a), the insertion rod (5c) penetrates through the insertion hole (1a), one end of the central shaft (4) is inserted into the insertion groove (5d) on the connecting flange (5b), and the other end of the central shaft (4) is clamped into the insertion groove (5d) on the limiting flange (5 a).

5. The rear wheel structure of a bulk cargo loader according to claim 1 or 2, characterized in that the mounting plate (9) is a horizontally arranged square plate structure, and four corners of the mounting plate (9) have connection holes for connecting with a frame.

6. The rear wheel structure of a bulk cargo loader according to claim 1 or 2, wherein the two small tires (3) are arranged in parallel front and back along the length direction of the mounting bracket (1), and the hydraulic cylinder (2) is arranged between the two small tires (3).