Bearing hinge point convenient to maintain for tumbler loader rack

Abstract

The utility model discloses a tumbler type loader frame bearing hinge point convenient to maintain, which comprises a first support arm, the edge of the other end of a hinge point shaft is fixedly connected with a dismounting splicing block, the central position of one side of a closed cover plate is fixedly connected with a positioning support block, and the edge of the other side of the closed cover plate is provided with an auxiliary locking knob in an inserting way. According to the bearing hinge point convenient to maintain of the tumbler type loader rack, the hinge point shaft can be positioned, disassembled and assembled through the positioning mounting groove and the positioning mounting block, the hinge point shaft can be buckled, limited, supported and fixed through the positioning supporting block and the positioning supporting groove, the sealing cover plate can be fixed through a thread mounting groove and a bolt in a spiral mode, mounting is more stable, and the service life of the bearing hinge point is prolonged. And the hinge point shafts can be effectively sealed and covered, external influence is avoided, the service life is longer, the hinge point shafts can be positioned and spliced through the dismounting and mounting splicing blocks and the dismounting and mounting splicing grooves, sliding dismounting and mounting can be conducted through the sliding balls, continuous replacement is convenient, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing hinges in heavy machinery, in particular to a bearing hinge for a frame of a rotary arm loader which is convenient for maintenance. Background Art

[0002] In a counterweight crane, a bearing is installed inside the bearing seat of the bearing hinge to withstand the torque generated by the swinging process of the balance beam. For cranes with dynamic balancing weights, the weight of the balancing weight is often large, which causes a great impact on the bearing hinge during the frequent back-and-forth operation; and most counterweight cranes have a rotation function, and the bearing hinge also withstands huge torque during the rotation process, so the bearing failure rate of the bearing hinge is relatively high.

[0003] The existing CN204784225U is a bearing hinge that is easy to maintain with low maintenance cost and short maintenance cycle; the entire maintenance process does not have the difficulties caused by the alignment of the hinge shaft, and greatly improves the safety of personnel operation. However, there are shortcomings. The bearing hinges of existing equipment have poor protection and are easily affected by the external environment. In addition, the flexibility of disassembly and replacement is poor and it is inconvenient to use. Therefore, a bearing hinge that is easy to maintain for a swing arm loader frame is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a bearing hinge point for a swing arm loader frame that is easy to maintain, so as to solve the problems mentioned in the above background technology that the bearing hinge point for easy maintenance has poor protection, is easily affected by the external environment, has poor flexibility in disassembly and replacement, and is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bearing hinge point of a swing arm loader frame which is easy to maintain, comprising a first support arm, a second support arm is installed on one side of the outer wall of the first support arm, and a bearing is installed on the inner wall of the first support arm, a positioning mounting block is fixedly connected to the side surface of the inner wall of the bearing, and a hinge shaft is inserted and installed on the inner wall of the bearing, a positioning mounting groove is opened on the outer wall of the hinge shaft, and sliding balls are inlaid and installed on both sides of the lower end of the inner wall of the positioning mounting groove, the mounting block is inserted and installed in the positioning mounting groove, positioning support grooves are opened at the center positions of both ends of the hinge shaft, and a disassembly and splicing groove is opened at the edge of one end of the hinge shaft, a disassembly and splicing block is fixedly connected to the edge of the other end of the hinge shaft, threaded mounting grooves are opened on the edges of both sides of the second support arm, and a closed cover plate is inserted and installed on the inner wall of the threaded mounting groove, a positioning support block is fixedly connected to the center position of one side of the closed cover plate, and an auxiliary locking knob is inserted and installed on the edge of the other side of the closed cover plate.

[0006] Preferably, the closed cover plate is installed by screw-fitting with the second support arm through a threaded installation groove, and the closed cover plate is fixedly installed by bolts with the second support arm through an auxiliary locking knob, and the auxiliary locking knob is distributed in a ring-shaped position on the closed cover plate.

[0007] Preferably, the closed cover plate is installed in a buckled manner with the hinge axis in the positioning support groove through a positioning support block, and the shape of the positioning support block matches the shape of the positioning support groove.

[0008] Preferably, the hinge shaft is positioned and installed in a snap-fitting manner with the bearing in the positioning and installing groove through a positioning and installing block, and the positioning and installing block and the positioning and installing groove are distributed in an annular position on the hinge shaft and the bearing.

[0009] Preferably, the hinge shaft is connected to the bearing in a sliding manner on the sliding ball through a positioning mounting block.

[0010] Preferably, the hinge axes are positioned and spliced ​​in disassembly and splicing grooves through disassembly and splicing blocks.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the bearing hinge of the frame of the swing arm loader, which is easy to maintain, can position and disassemble the hinge shaft through the positioning installation groove and the positioning installation block, and can be fixed by the positioning support block and the positioning support groove by locking and limiting support, and the closed cover plate can be doubly fixed by the screw and bolt of the threaded installation groove, so the installation is more stable, and the cover can be effectively sealed to avoid external influences and have a longer service life. The hinge shafts can be positioned and spliced ​​through the disassembly and splicing blocks and the disassembly and splicing grooves, so that they can be slid and disassembled through the sliding beads, which is convenient for continuous replacement and more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a bearing hinge point for easy maintenance of a frame of a rotary arm loader according to the utility model;

[0013] Figure 2 This is a cross-sectional view of a bearing hinge point for easy maintenance of a swing arm loader frame according to the utility model;

[0014] Figure 3 It is a schematic diagram of the hinge point shaft splicing of a bearing hinge point for easy maintenance of a swing arm loader frame according to the utility model;

[0015] Figure 4 A bearing hinge point for convenient maintenance of a frame of a rotary arm loader according to the utility model Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 A bearing hinge point for convenient maintenance of a frame of a rotary arm loader according to the utility model Figure 2 Enlarged view of point B in the middle;

[0017] Figure 6 A bearing hinge point for convenient maintenance of a frame of a rotary arm loader according to the utility model Figure 2 Enlarged view of point C in the middle;

[0018] Figure 7 A bearing hinge point for convenient maintenance of a frame of a rotary arm loader according to the utility model Figure 3 Enlarged view of point D in the middle.

[0019] In the figure: 1. first support arm, 2. second support arm, 3. closed cover plate, 4. hinge shaft, 5. positioning support block, 6. bearing, 7. threaded mounting groove, 8. auxiliary locking knob, 9. sliding ball, 10. positioning mounting groove, 11. positioning mounting block, 12. positioning support groove, 13. disassembly and assembly splicing block, 14. disassembly and assembly splicing groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-7 The utility model provides a technical solution: a bearing hinge for a swivel-arm loader frame that is easy to maintain, comprising a first support arm 1, a second support arm 2, a closed cover plate 3, a hinge shaft 4, a positioning support block 5, a bearing 6, a threaded mounting groove 7, an auxiliary locking knob 8, a sliding ball 9, a positioning mounting groove 10, a positioning mounting block 11, a positioning support groove 12, a disassembly and assembly splicing block 13 and a disassembly and assembly splicing groove 14. The second support arm 2 is installed on one side of the outer wall of the first support arm 1, and the bearing 6 is installed on the inner wall of the first support arm 1. The side surface of the inner wall of the bearing 6 is fixedly connected with the positioning mounting block 11, and the inner wall of the bearing 6 is plugged and installed with the hinge shaft 4. The hinge shaft 4 is positioned and installed in the positioning mounting groove 10 in a buckled manner with the bearing 6, and the positioning mounting block 11 and the positioning mounting groove 10 are distributed in an annular position on the hinge shaft 4 and the bearing 6, so that the hinge shaft 4 is convenient to position and install, and the installation is stable.

[0022] The hinge shaft 4 is connected to the bearing 6 on the sliding ball 9 by a positioning and mounting block 11, so that the hinge shaft 4 can be easily slid and pulled through the sliding ball 9, and is convenient for quick disassembly and assembly for use. The hinge shafts 4 are positioned and spliced ​​in the disassembly and splicing grooves 14 through the disassembly and splicing blocks 13, so that the hinge shafts 4 can be positioned and spliced, which is convenient for continuous replacement and easy to use.

[0023] A positioning installation groove 10 is provided on the outer wall of the hinge shaft 4, and sliding beads 9 are inlaid and installed on both sides of the lower end of the inner wall of the positioning installation groove 10, and the mounting block 11 is inserted and installed in the positioning installation groove 10. Positioning support grooves 12 are provided at the center positions of both ends of the hinge shaft 4, and a disassembly and assembly splicing groove 14 is provided at the edge of one end of the hinge shaft 4, and a disassembly and assembly splicing block 13 is fixedly connected to the edge of the other end of the hinge shaft 4. Threaded installation grooves 7 are provided on the edges of both sides of the second support arm 2, and a closed cover plate 3 is inserted and installed on the inner wall of the threaded installation groove 7. The closed cover plate 3 is installed in a spiral cover with the second support arm 2 through the threaded installation groove 7, and the closed cover plate 3 is fixed to the second support arm 2 with bolts through the auxiliary locking knob 8, and the auxiliary locking knob 8 is distributed in a ring position on the closed cover plate 3, so that the closed cover plate 3 is convenient for double fixing and sealing to avoid contamination.

[0024] The closed cover plate 3 is installed in a buckled manner with the hinge shaft 4 in the positioning support groove 12 through the positioning support block 5, and the shape of the positioning support block 5 matches the shape of the positioning support groove 12, so that the closed cover plate 3 can be conveniently buckled and supported and fixed with the hinge shaft 4 through the positioning support block 5 and the positioning support groove 12, and the installation is stable. The positioning support block 5 is fixedly connected to the center position of one side of the closed cover plate 3, and the auxiliary locking knob 8 is inserted and installed on the edge of the other side of the closed cover plate 3.

[0025] Working principle: when using the bearing hinge for easy maintenance of the swing arm loader frame, first assemble and install the device, and then operate it. When the hinge shaft 4 needs to be repaired and replaced, the closed cover plates 3 on both sides can be opened, and then the new hinge shaft 4 can be taken out, and then it is positioned, plugged and spliced ​​with the hinge shaft 4 to be replaced through the disassembly and assembly splicing block 13 and the disassembly and assembly splicing groove 14, and then the hinge shaft 4 is pushed to one side through the sliding ball 9 to push out the old hinge shaft 4, and the new hinge shaft 4 is inserted, and positioned and plugged and installed through the positioning installation groove 10 and the positioning installation block 11, and then the closed cover plate 3 is screwed through the threaded installation groove 7, and fixed with the auxiliary locking knob 8 bolts, so that the hinge shaft 4 is buckled and supported and fixed through the positioning support block 5 and the positioning support groove 12 to complete the replacement. This is the use process of the bearing hinge for easy maintenance of the swing arm loader frame.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bearing hinge for a swivel-arm loader frame that is easy to maintain, comprising a first support arm (1), a second support arm (2) being mounted on one side of an outer wall of the first support arm (1), and a bearing (6) being mounted on an inner wall of the first support arm (1), characterized in that: A positioning installation block (11) is fixedly connected to the side of the inner wall of the bearing (6), and a hinge shaft (4) is inserted and installed on the inner wall of the bearing (6). A positioning installation groove (10) is provided on the outer wall of the hinge shaft (4), and sliding beads (9) are inlaid and installed on both sides of the lower end of the inner wall of the positioning installation groove (10). The installation block (11) is inserted and installed in the positioning installation groove (10). Positioning support grooves (12) are provided at the center positions of both ends of the hinge shaft (4), and a disassembly and assembly splicing groove (14) is provided at the edge of one end of the hinge shaft (4). A disassembly and assembly splicing block (13) is fixedly connected to the edge of the other end of the hinge shaft (4). Threaded installation grooves (7) are provided at the edges of both sides of the second support arm (2), and a closed cover plate (3) is inserted and installed on the inner wall of the threaded installation groove (7). A positioning support block (5) is fixedly connected to the center position of one side of the closed cover plate (3), and an auxiliary locking knob (8) is inserted and installed at the edge of the other side of the closed cover plate (3).

2. The bearing hinge point for convenient maintenance of a boom loader frame according to claim 1, characterized in that: The closed cover plate (3) is screw-fitted with the second support arm (2) via the threaded mounting groove (7), and the closed cover plate (3) is bolt-fixed with the second support arm (2) via the auxiliary locking knob (8), wherein the auxiliary locking knob (8) is distributed in a ring-shaped position on the closed cover plate (3).

3. The bearing hinge point for convenient maintenance of a boom loader frame according to claim 2, characterized in that: The closed cover plate (3) is installed in a buckled manner with the hinge shaft (4) in the positioning support groove (12) via the positioning support block (5), and the shape of the positioning support block (5) matches the shape of the positioning support groove (12).

4. The bearing hinge point for convenient maintenance of a boom loader frame according to claim 3, characterized in that: The hinge shaft (4) is positioned and installed in a snap-fitting manner with the bearing (6) in the positioning installation groove (10) via a positioning installation block (11), and the positioning installation block (11) and the positioning installation groove (10) are distributed in an annular position on the hinge shaft (4) and the bearing (6).

5. The bearing hinge point for convenient maintenance of a boom loader frame according to claim 4, characterized in that: The hinge shaft (4) is connected to the bearing (6) in a sliding manner on the sliding ball (9) via a positioning mounting block (11).

6. A bearing hinge point for convenient maintenance of a boom loader frame according to claim 5, characterized in that: The hinge shafts (4) are positioned and spliced ​​together in the disassembly and splicing grooves (14) through the disassembly and splicing blocks (13).

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