Casting traction seat

Abstract

The utility model discloses a casting traction seat which comprises a shell, and an anti-abrasion mechanism and a detachable fixing mechanism are installed on the shell. The anti-abrasion mechanism comprises a lubricating cavity, a pulling handle, a first control rod, a first rotating shaft, a second control rod, a second rotating shaft, a connecting plate, a fixing plate, a handle spring, a connecting rod, a first oil injection pipe and a second oil injection pipe. According to the device, abrasion can be reduced by installing the anti-abrasion mechanism and connecting all the components, the lubricating degree of the device can be increased by arranging the multiple oil injection pipes, and therefore the service life of the device is prolonged to a certain degree, the maintenance frequency of the device is reduced, and consumption of manpower resources is reduced; and by arranging the detachable fixing mechanism, a trapezoidal connecting block, a fixing groove, a first fixing bolt, a supporting block, a connecting inclined plate, a mounting plate and a second fixing bolt, the fixing flexibility of the device can be improved, and therefore certain convenience is provided for a user in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of fifth wheels, in particular to a casting fifth wheel. Background Art

[0002] A fifth wheel is a load-bearing component used by a truck to tow a semitrailer. It's a chassis component that engages and locks the semitrailer's drawbar through a locking mechanism, and can transmit horizontal and vertical forces between the tractor and the semitrailer.

[0003] The existing fifth wheel has the following disadvantages:

[0004] 1. Although the existing fifth wheel is equipped with a certain lubrication device inside, its effect is poor during use and requires frequent manual maintenance, which is labor-intensive.

[0005] 2. When the existing fifth wheel is needed to tow a semi-trailer, it is mostly placed directly at the required position, which is inconvenient to disassemble and install during fixation, and is not convenient and quick enough. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and provides a casting fifth wheel.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A cast fifth wheel comprises a shell, on which an anti-wear mechanism and a detachable fixing mechanism are mounted;

[0009] The anti-wear mechanism includes a lubrication chamber, a pulling handle, a first operating lever, a first rotating shaft, a second operating lever, a second rotating shaft, a connecting plate, a fixing plate, a handle spring, a connecting rod, a first oil filling pipe and a second oil filling pipe. The bottom of the second rotating shaft is installed on the inner wall of one side of the lubrication chamber, the connecting plate is fixed on the surface of one side of the lubrication chamber, a fixing plate is welded to the bottom of the outer wall on the other side of the first operating lever, the top of the connecting rod is welded to the inner wall on one side of the top of the lubrication chamber, one end of the first oil filling pipe and the second oil filling pipe are installed on one side of the lubrication chamber, and the other end of the first oil filling pipe and the second oil filling pipe are inserted into the interior of the lubrication chamber.

[0010] Through the above scheme, the anti-wear mechanism is installed, and the interconnection of the pull handle, the first operating lever, the first rotating shaft, the second operating lever, the second rotating shaft, the connecting plate, the fixed plate, the handle spring, the connecting rod, the first oil filling pipe and the second oil filling pipe in the lubrication chamber can reduce wear. The provision of multiple oil filling pipes can increase the lubrication degree of the device, thereby extending the service life of the device to a certain extent, reducing the maintenance frequency of the device, and thus reducing the consumption of human resources.

[0011] Preferably, the detachable fixing mechanism includes a trapezoidal connecting block, a fixing groove, a first fixing bolt, a support block, a connecting inclined plate, a mounting plate and a second fixing bolt. A fixing groove is provided on one side outer wall of the trapezoidal connecting block, and the two first fixing bolts are connected to the trapezoidal connecting block through the two ends of the fixing groove. The top of the support block is welded to the bottom surface of the trapezoidal connecting block.

[0012] Through the above scheme, the detachable fixing mechanism is installed, and the arrangement of the trapezoidal connecting block, fixing groove, first fixing bolt, support block, connecting inclined plate, mounting plate and second fixing bolt can improve the flexibility of the device fixation, thereby providing certain convenience for the user during use.

[0013] Preferably, one end of the pulling handle is fixedly connected to an outer wall of one side of the first operating rod, the other side of the first operating rod is movably connected to the top of the second operating rod through a first rotating shaft, and the bottom of the second operating rod is rotatably connected to the second rotating shaft.

[0014] Preferably, a fixing hole is provided on the fixing plate, one end of the handle spring is hooked into the fixing hole, and the connecting rod is fixedly connected to the other end of the handle spring.

[0015] Preferably, the tops of the two connecting inclined plates are plugged into the outer walls on both sides of the support block, and a plurality of second fixing bolts are screwed onto the mounting plate.

[0016] Preferably, a casting panel is installed on the shell, and the casting panel is made of ductile iron.

[0017] The beneficial effects of the utility model are:

[0018] 1. By installing an anti-wear mechanism, the interconnection of the pull handle, the first operating lever, the first rotating shaft, the second operating lever, the second rotating shaft, the connecting plate, the fixing plate, the handle spring, the connecting rod, the first oil injection pipe and the second oil injection pipe in the lubrication chamber can reduce wear. The provision of multiple oil injection pipes can increase the lubrication level of the device, thereby extending the service life of the device to a certain extent, reducing the maintenance frequency of the device, and thus reducing the consumption of human resources;

[0019] 2. By installing a detachable fixing mechanism, the arrangement of the trapezoidal connecting block, fixing groove, first fixing bolt, support block, connecting inclined plate, mounting plate and second fixing bolt can improve the flexibility of the device fixation, thereby providing certain convenience for the user during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a casting fifth wheel proposed in the present invention;

[0021] Figure 2 This is a top view of the structure of an anti-wear mechanism of a cast fifth wheel proposed in the present invention;

[0022] Figure 3 The utility model is a structural side view of a detachable fixing mechanism of a cast fifth wheel.

[0023] In the figure: 1. Shell; 2. Casting panel; 3. Trapezoidal connecting block; 4. Fixing groove; 5. First fixing bolt; 6. Support block; 7. Connecting inclined plate; 8. Mounting plate; 9. Second fixing bolt; 10. Pull handle; 11. First operating lever; 12. First rotating shaft; 13. Second operating lever; 14. Second rotating shaft; 15. Connecting plate; 16. Fixing plate; 17. Handle spring; 18. Connecting rod; 19. First oil filling pipe; 20. Second oil filling pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Example 1, with reference to Figure 1 and Figure 2 , a cast fifth wheel, comprising a shell 1, on which an anti-wear mechanism and a detachable fixing mechanism are mounted;

[0026] The anti-wear mechanism includes a lubrication chamber, a pull handle 10, a first operating rod 11, a first rotating shaft 12, a second operating rod 13, a second rotating shaft 14, a connecting plate 15, a fixed plate 16, a handle spring 17, a connecting rod 18, a first oil injection pipe 19 and a second oil injection pipe 20. The bottom of the second rotating shaft 14 is installed on the inner wall of one side of the lubrication chamber, the connecting plate 15 is fixed on the surface of one side of the lubrication chamber, the bottom of the outer wall of the other side of the first operating rod 11 is welded with a fixed plate 16, the top of the connecting rod 18 is welded to the inner wall of the top side of the lubrication chamber, and one end of the first oil injection pipe 19 and the second oil injection pipe 20 is installed on the lubrication chamber. On one side of the cavity, the other ends of the first oil filling pipe 19 and the second oil filling pipe 20 are inserted into the interior of the lubrication cavity, and an anti-wear mechanism is installed. The interconnection of the pulling handle 10, the first operating lever 11, the first rotating shaft 12, the second operating lever 13, the second rotating shaft 14, the connecting plate 15, the fixed plate 16, the handle spring 17, the connecting rod 18, the first oil filling pipe 19 and the second oil filling pipe 20 in the lubrication cavity can reduce wear. The provision of multiple oil filling pipes can increase the lubrication degree of the device, thereby extending the service life of the device to a certain extent, reducing the maintenance frequency of the device, and thus reducing the consumption of human resources.

[0027] Example 2, reference Figure 1 and Figure 3 The detachable fixing mechanism includes a trapezoidal connecting block 3, a fixing groove 4, a first fixing bolt 5, a supporting block 6, a connecting inclined plate 7, a mounting plate 8 and a second fixing bolt 9. A fixing groove 4 is opened on the outer wall of one side of the trapezoidal connecting block 3. The two first fixing bolts 5 are connected to the trapezoidal connecting block 3 through the two ends of the fixing groove 4. The top of the supporting block 6 is welded to the bottom surface of the trapezoidal connecting block 3. The detachable fixing mechanism, the trapezoidal connecting block 3, the fixing groove 4, the first fixing bolt 5, the supporting block 6, the connecting inclined plate 7, the mounting plate 8 and the second fixing bolt 9 are installed to improve the flexibility of the device fixation, thereby providing a certain convenience for the user during use.

[0028] Example 3, reference Figure 1-3 One end of the pulling handle 10 is fixedly connected to the outer wall of one side of the first operating lever 11, and the other side of the first operating lever 11 is movably connected to the top of the second operating lever 13 through the first rotating shaft 12. The bottom of the second operating lever 13 is rotatably connected to the second rotating shaft 14. A fixing hole is opened on the fixing plate 16, and one end of the handle spring 17 is hooked on the fixing hole. The connecting rod 18 is fixedly connected to the other end of the handle spring 17. The tops of the two connecting inclined plates 7 are inserted into the outer walls on both sides of the support block 6. A plurality of second fixing bolts 9 are screwed on the mounting plate 8. A casting panel 2 is installed on the shell 1, and the casting panel 2 is made of ductile iron.

[0029] Working principle: By injecting lubricating oil into the lubrication cavity and pulling the handle 10, the first operating lever 11, the first rotating shaft 12, the second operating lever 13, the second rotating shaft 14, the connecting plate 15, the fixed plate 16, the handle spring 17, the connecting rod 18, the first oil filling pipe 19 and the second oil filling pipe 20, wear can be reduced. The setting of multiple oil filling pipes can increase the lubrication degree of the device, thereby extending the service life of the device to a certain extent, reducing the maintenance frequency of the device, and thus reducing the consumption of human resources; the setting of the trapezoidal connecting block 3, the fixing groove 4, the first fixing bolt 5, the support block 6, the connecting inclined plate 7, the mounting plate 8 and the second fixing bolt 9 can improve the flexibility of the device fixation, thereby providing a certain convenience for the user during use.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cast fifth wheel, comprising a housing (1), characterized in that: The housing (1) is equipped with an anti-wear mechanism and a detachable fixing mechanism; The anti-wear mechanism includes a lubrication chamber, a pulling handle (10), a first operating lever (11), a first rotating shaft (12), a second operating lever (13), a second rotating shaft (14), a connecting plate (15), a fixing plate (16), a handle spring (17), a connecting rod (18), a first oil injection pipe (19) and a second oil injection pipe (20), wherein the bottom of the second rotating shaft (14) is mounted on an inner wall of one side of the lubrication chamber, the connecting plate (15) is fixed on a surface of one side of the lubrication chamber, the bottom of the outer wall of the other side of the first operating lever (11) is welded with a fixing plate (16), the top of the connecting rod (18) is welded to the inner wall of one side of the top of the lubrication chamber, one end of the first oil injection pipe (19) and the second oil injection pipe (20) are mounted on one side of the lubrication chamber, and the other end of the first oil injection pipe (19) and the second oil injection pipe (20) are plugged into the interior of the lubrication chamber.

2. A cast fifth wheel according to claim 1, characterized in that: The detachable fixing mechanism comprises a trapezoidal connecting block (3), a fixing groove (4), a first fixing bolt (5), a support block (6), a connecting inclined plate (7), a mounting plate (8) and a second fixing bolt (9); a fixing groove (4) is provided on one side outer wall of the trapezoidal connecting block (3); two first fixing bolts (5) are connected to the trapezoidal connecting block (3) through the two ends of the fixing groove (4); and the top of the support block (6) is welded to the bottom surface of the trapezoidal connecting block (3).

3. The cast fifth wheel according to claim 1, wherein: One end of the pulling handle (10) is fixedly connected to an outer wall of one side of the first operating rod (11), the other side of the first operating rod (11) is movably connected to the top of the second operating rod (13) through a first rotating shaft (12), and the bottom of the second operating rod (13) is rotatably connected to the second rotating shaft (14).

4. The cast fifth wheel according to claim 1, wherein: The fixing plate (16) is provided with a fixing hole, one end of the handle spring (17) is hooked to the fixing hole, and the connecting rod (18) is fixedly connected to the other end of the handle spring (17).

5. The cast fifth wheel according to claim 2, wherein: The tops of the two connecting inclined plates (7) are plugged into the outer walls on both sides of the support block (6), and a plurality of second fixing bolts (9) are screwed onto the mounting plate (8).

6. The cast fifth wheel according to claim 1, wherein: A casting panel (2) is mounted on the housing (1), and the casting panel (2) is made of ductile iron.

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