Gearbox for direct connection type loader

Abstract

The utility model belongs to the technical field of gearboxes, and provides a direct connection type gearbox for a loader, which comprises a maintenance seat and a direct connection type gearbox body, the direct connection type gearbox body is arranged at the top of the maintenance seat, a loading and unloading component is arranged on the direct connection type gearbox body and comprises a hoisting component, the hoisting component comprises reinforcing ribs, and the reinforcing ribs are arranged on the maintenance seat. The reinforcing ribs are arranged on the outer side of the direct connection type gearbox body, the back plates are installed on the outer sides of the reinforcing ribs and distributed on the two sides of the direct connection type gearbox body, and the hoisting buckles are fixedly installed on the sides, away from the direct connection type gearbox body, of the back plates. According to the utility model, the lifting hook of the crane is fixed in the lifting buckle, the direct connection type gearbox body is lifted through the lifting buckle, and when the direct connection type gearbox body is placed at the top of the overhaul seat, the direct connection type gearbox body is butted with the positioning shaft in the overhaul seat through the positioning hole in the bottom plate; therefore, the direct connection type gearbox body is not prone to toppling and falling off when placed on the overhaul base.

Description

Technical Field

[0001] The utility model relates to the technical field of gearboxes, in particular to a gearbox for a direct-connected loader. Background Art

[0002] The gearboxes of some new energy loaders usually adopt hydraulic transmission systems. The oil pressure is controlled by the transmission operating lever or button to switch between different gears, thereby changing the vehicle's driving speed and output torque. For direct-connected loaders, a combination of a torque converter and a gearbox is usually used, unlike automatic cars that have independent gearboxes.

[0003] Due to the special working environment and working purpose, the gearbox of the loader needs to be more stable and reliable. The existing Chinese patent with authorization announcement number CN220378848U discloses a gearbox for a loader. By setting an adjustment mechanism, the position of the displacement unit can be adjusted. When the oil needs to be replaced, an external oil pipe is used to connect with the surface of the fixed unit, and the displacement unit is driven to move by the movable rod, so that the displacement unit is connected to the fixed unit. However, in order to ensure safe use, the gearbox will be regularly inspected and maintained. The inspection often requires disassembly from the loader and placement on the inspection seat. However, when lifting the gearbox, it needs to be fixed by reusing the binding equipment. During the hoisting, it is easy to tilt or even fall off. In addition, the transmission gear set and transmission shaft set are fixed in the gearbox by the end cover and multiple sealing covers. It is troublesome to disassemble and inconvenient for inspection.

[0004] In summary, the current direct-connected loader gearbox still has the following defects during installation and use at the user end:

[0005] (1) When lifting the gearbox, it needs to be fixed by reusing the lashing equipment. During the lifting process, it is easy to tilt or even fall off;

[0006] (2) The transmission gear set and transmission shaft set are fixed in the gearbox by end covers and multiple sealing covers, which makes it troublesome to disassemble and inconvenient to repair. Utility Model Content

[0007] In order to overcome the above-mentioned defects of the prior art, the inventors conducted in-depth research and completed the present utility model after paying a lot of creative work.

[0008] Specifically, the technical problem to be solved by the utility model is: to provide a gearbox for a direct-connected loader to solve the technical problem that the current gearbox for a direct-connected loader needs to be fixed by reusing binding equipment when the gearbox is lifted, and it is easy to tilt or even fall off during lifting, and its transmission gear set and transmission shaft set are fixed in the gearbox by end covers and multiple sealing covers, which are troublesome to disassemble and inconvenient for maintenance.

[0009] In order to solve the above technical problems, the technical solution of the utility model is:

[0010] A gearbox for a direct-connected loader, comprising:

[0011] As an improved technical solution, it includes an inspection seat and a direct-connected gearbox body, the direct-connected gearbox body is arranged on the top of the inspection seat, the direct-connected gearbox body is provided with loading and unloading components, the loading and unloading components include a lifting assembly, the lifting assembly includes reinforcing ribs, the reinforcing ribs are arranged on the outside of the direct-connected gearbox body, a back plate is installed on the outside of the reinforcing ribs, and the back plates are distributed on both sides of the direct-connected gearbox body, a lifting buckle is fixedly installed on the side of the back plate away from the direct-connected gearbox body, an adjusting component speed change body is also provided on the reinforcing ribs, and the speed change body is connected to the direct-connected gearbox body.

[0012] As an improved technical solution, the back plate is fixed to both sides of the direct-connected gearbox body by assembling bolts, and a triangular plate is also fixedly connected to one side of the back plate close to the lifting buckle, and the triangular plates are distributed on both sides of the back plate.

[0013] As an improved technical solution, the bottom of the triangle plate is fixedly connected to a bottom plate, the bottom plate is connected to a back plate through the triangle plate, and the angle between the triangle plate and the back plate is ninety degrees.

[0014] As an improved technical solution, positioning holes are provided on the inner side of the base plate, and the axial centers of the positioning holes and the axial centers of the lifting buckles are on the same straight line.

[0015] As an improved technical solution, the loading and unloading component also includes an inspection component, which includes an assembly frame, and an inspection cover is fixedly connected to the side of the assembly frame away from the reinforcing rib, and the inspection cover is fixed to the outer side of the reinforcing rib by inspection bolts.

[0016] As an improved technical solution, an oil filling port is further provided on the top of the direct-connection gearbox body, and a sealing rod is threadedly connected to the inner side of the oil filling port.

[0017] As an improved technical solution, the speed change body includes a transmission shaft group, and a speed change distribution valve and a clutch body are also provided on the inner side of the direct-connection transmission case, and the transmission shaft group is connected to the clutch body.

[0018] After adopting the above technical solution, the beneficial effects of the utility model are:

[0019] (1) When hoisting the gearbox for the direct-connected loader, the hook of the crane is fixed in the hoisting buckle, and the direct-connected gearbox body is hoisted by the hoisting buckle, so that no additional binding equipment is needed for fixing. When the direct-connected gearbox body is placed on the top of the inspection seat, the positioning hole in the bottom plate is connected with the positioning shaft in the inspection seat to complete the docking, so that the direct-connected gearbox body placed on the inspection seat is not easy to tip over or fall off.

[0020] (2) By removing the inspection bolts, the inspection cover connected by welding process can be removed from the assembly frame, thereby improving the overall sealing and facilitating disassembly without affecting the power transmission of the drive shaft group.

[0021] (3) Through the coordination of the transmission shaft group and the clutch body, the vehicle can run within different speed ranges and provide sufficient traction and torque. The speed distribution valve, which contains a pump wheel and a turbine, can adjust the power output according to the energy transmitted by the hydraulic pressure, achieve stepless speed change, adapt to different road conditions and work scene requirements, and improve the flexibility and adaptability of the machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0023] Figure 1 It is a schematic structural diagram of the gearbox for the direct-connected loader of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the loading and unloading components of the gearbox for a direct-connected loader of the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of the lifting assembly of the gearbox for the direct-connected loader of the utility model;

[0026] Figure 4 It is a schematic diagram of the structure of the inspection assembly of the gearbox for the direct-connected loader of the utility model;

[0027] Figure 5 It is a schematic diagram of the main structure of the gearbox for a direct-connected loader of the utility model;

[0028] Figure numerals: 1. maintenance seat; 2. direct-connected gearbox body; 3. loading and unloading parts; 31. lifting assembly; 311. reinforcement rib; 312. back plate; 313. lifting buckle; 314. assembly bolt; 315. triangle plate; 316. bottom plate; 317. positioning hole; 32. maintenance assembly; 321. assembly frame; 322. maintenance cover; 323. maintenance bolt; 324. oil filling port; 325. sealing rod; 4. speed change body; 41. transmission shaft group; 42. speed change distribution valve; 43. clutch body. DETAILED DESCRIPTION

[0029] 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 of 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.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] At the same time, the meaning of "and / or" or "and / or" appearing in the full text includes three options. Taking "A and / or B" as an example, it includes option A, or option B, or a option in which both A and B are satisfied.

[0032] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0033] like Figures 1 to 3As shown together, this embodiment provides a gearbox for a direct-connected loader, including an inspection seat 1 and a direct-connected gearbox body 2, the direct-connected gearbox body 2 is arranged on the top of the inspection seat 1, and a loading and unloading component 3 is arranged on the direct-connected gearbox body 2, and the loading and unloading component 3 includes a hoisting assembly 31, and the hoisting assembly 31 includes a reinforcing rib 311, and the reinforcing rib 311 is arranged on the outside of the direct-connected gearbox body 2, and a back plate 312 is installed on the outside of the reinforcing rib 311, and the back plates 312 are distributed on both sides of the direct-connected gearbox body 2, and a hoisting buckle 313 is fixedly installed on the side of the back plate 312 away from the direct-connected gearbox body 2;

[0034] An adjusting component speed change body 4 is also provided on the reinforcing rib 311, and the speed change body 4 is connected to the direct-connected gearbox body 2. The maintenance seat 1 can support the direct-connected gearbox body 2 so that the direct-connected gearbox body 2 is separated from the ground. The direct-connected gearbox body 2 is the structure of a loader in the prior art, and needs to be hoisted during maintenance. The reinforcing rib 311 is fixed to the outside of the direct-connected gearbox body 2 through a welding process, and the back plate 312 is installed and connected to the direct-connected gearbox body 2 by snapping with the reinforcing rib 311. When hoisting, the sling is connected to the hoisting buckle 313, so that there is no need to fix the direct-connected gearbox body 2 with additional binding equipment.

[0035] The back plate 312 is fixed to both sides of the direct-connected gearbox body 2 by assembling bolts 314. A triangular plate 315 is also fixedly connected to one side of the back plate 312 close to the lifting buckle 313, and the triangular plates 315 are distributed on both sides of the back plate 312. The back plate 312 is fixed to the direct-connected gearbox body 2 by assembling bolts 314 after being clamped with the reinforcing ribs 311. The triangular plates 315 are symmetrical and arranged in parallel, and are fixedly connected to the back plate 312 by welding.

[0036] The bottom of the triangle plate 315 is fixedly connected to the bottom plate 316, and the bottom plate 316 is connected to the back plate 312 through the triangle plate 315, and the angle between the triangle plate 315 and the back plate 312 is ninety degrees. The triangle plate 315 is connected to the back plate 312 and the bottom plate 316 as a whole by welding process, so that when the lifting buckle 313 is lifted, the two ends of the direct-connected gearbox body 2 connected to the back plate 312 through the reinforcing ribs 311 are on the same horizontal plane, so that the direct-connected gearbox body 2 is not easy to tilt and fall off during lifting.

[0037] The inner side of the bottom plate 316 is provided with a positioning hole 317, and the axial center of the positioning hole 317 is on the same straight line as the axial center of the lifting buckle 313. The positioning hole 317 corresponds to the positioning axis on the maintenance seat 1, and when the lifting buckle 313 lifts the direct-connected gearbox body 2 on the maintenance seat 1, it can be docked with the positioning axis on the maintenance seat 1, so that the direct-connected gearbox body 2 placed on the maintenance seat 1 is stable.

[0038] When in use, when the direct-connected gearbox body 2 needs to be disassembled and lifted, the back plate 312 is fixed to the reinforcing rib 311 welded on the direct-connected gearbox body 2 by assembling bolts 314, so that the triangular plate 315 and the bottom plate 316 connected by the welding process are symmetrically distributed on both sides of the direct-connected gearbox body 2, and the lifting buckles 313 welded on the back plates 312 respectively arranged on both sides of the direct-connected gearbox body 2 are on the same horizontal plane, and when lifting, the direct-connected gearbox body 2 is lifted by fixing the hook of the crane in the lifting buckle 313, so that no additional binding equipment is required for fixing, and when the direct-connected gearbox body 2 is placed on the top of the maintenance seat 1, the positioning hole 317 in the bottom plate 316 is connected to the positioning shaft in the maintenance seat 1 to complete the docking, so that the direct-connected gearbox body 2 placed on the maintenance seat 1 is not easy to tip over or fall off.

[0039] like Figures 1 to 5 As shown together, the loading and unloading component 3 also includes an inspection component 32, and the inspection component 32 includes an assembly frame 321. The assembly frame 321 is fixedly connected with an inspection cover 322 on the side away from the reinforcing rib 311. The inspection cover 322 is fixed to the outer side of the reinforcing rib 311 by inspection bolts 323. The inspection cover 322 is connected to the assembly frame 321 by a welding process, and when the device is in use, it is connected to the reinforcing rib 311 by the inspection bolts 323.

[0040] An oil filling port 324 is also provided at the top of the direct-connected gearbox body 2, and a sealing rod 325 is threadedly connected to the inner side of the oil filling port 324. The oil filling port 324 can be transported to the structure in the direct-connected gearbox body 2 through the internal oil circuit to provide lubrication effect and improve the service life of the device. During maintenance, the sealing rod 325 can be removed so that the oil can be discharged from the oil filling port 324.

[0041] The speed shifting body 4 includes a transmission shaft group 41, and a speed shifting distribution valve 42 and a clutch body 43 are also arranged on the inner side of the direct-connected gearbox body 2. The transmission shaft group 41 is connected to the clutch body 43, and the speed shifting distribution valve 42 is communicated with the inside of the oil filling port 324. The cooperation between the transmission shaft group 41 and the clutch body 43 can enable the vehicle to run within different speed ranges and provide sufficient traction and torque to meet the needs under different working conditions. The speed shifting distribution valve 42 can realize stepless speed change, and contains a pump wheel and a turbine inside, which can adjust the power output according to the energy transmitted by the hydraulic pressure.

[0042] During use, when disassembling and repairing, by removing the inspection bolts 323, the inspection cover 322 connected by the welding process can be removed from the assembly frame 321, thereby improving the overall sealing and facilitating disassembly without affecting the power transmission of the transmission shaft group 41. When in use, the oil filling port 324 delivers lubricating oil to the internal structure in the direct-connected gearbox body 2 through the oil circuit to provide lubrication and increase the service life. During maintenance, when the sealing rod 325 connected by the thread is removed, the oil in the direct-connected gearbox body 2 can be discharged from the oil filling port 324, thereby improving the maintenance efficiency. Through the cooperation of the transmission shaft group 41 and the clutch body 43, the vehicle can run within different speed ranges and provide sufficient traction and torque, as well as the speed distribution valve 42 containing a pump wheel and a turbine inside, the power output can be adjusted according to the energy transmitted by the hydraulic pressure, and stepless speed change can be achieved to adapt to different road conditions and work scene requirements, thereby improving the flexibility and adaptability of the machine.

[0043] It should be understood that the purpose of these embodiments is only to illustrate the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all of these equivalent forms also fall within the protection scope defined by the claims attached to this application.

Claims

1. A gearbox for a direct-connected loader, comprising an inspection seat (1) and a direct-connected gearbox body (2), wherein the direct-connected gearbox body (2) is arranged on top of the inspection seat (1), and is characterized in that: The direct-connected gearbox body (2) is provided with a loading and unloading component (3), the loading and unloading component (3) comprises a lifting assembly (31), the lifting assembly (31) comprises reinforcing ribs (311), the reinforcing ribs (311) are arranged on the outside of the direct-connected gearbox body (2), a back plate (312) is installed on the outside of the reinforcing ribs (311), and the back plates (312) are distributed on both sides of the direct-connected gearbox body (2), and a lifting buckle (313) is fixedly installed on the side of the back plate (312) away from the direct-connected gearbox body (2); The reinforcing rib (311) is also provided with an adjustment component speed change body (4), and the speed change body (4) is connected to the direct-connection gearbox body (2).

2. The gearbox for a direct-connected loader according to claim 1, characterized in that: The back plate (312) is fixed to both sides of the direct-connection gearbox body (2) by means of assembly bolts (314); a triangular plate (315) is also fixedly connected to one side of the back plate (312) close to the lifting buckle (313); and the triangular plates (315) are distributed on both sides of the back plate (312).

3. The gearbox for a direct-connected loader according to claim 2, characterized in that: The bottom of the triangular plate (315) is fixedly connected to a bottom plate (316), the bottom plate (316) is connected to the back plate (312) via the triangular plate (315), and the angle between the triangular plate (315) and the back plate (312) is ninety degrees.

4. The gearbox for a direct-connected loader according to claim 3, characterized in that: The inner side of the bottom plate (316) is provided with a positioning hole (317), and the axial center of the positioning hole (317) and the axial center of the lifting buckle (313) are located on the same straight line.

5. The gearbox for a direct-connected loader according to claim 1, characterized in that: The loading and unloading component (3) further comprises an inspection assembly (32), wherein the inspection assembly (32) comprises an assembly frame (321), a side of the assembly frame (321) away from the reinforcing rib (311) being fixedly connected to an inspection cover (322), wherein the inspection cover (322) is fixed to the outside of the reinforcing rib (311) by an inspection bolt (323).

6. The gearbox for a direct-connected loader according to claim 5, characterized in that: The top of the direct-connection gearbox body (2) is also provided with an oil filling port (324), and the inner side of the oil filling port (324) is threadedly connected to a sealing rod (325).

7. The gearbox for a direct-connected loader according to claim 1, characterized in that: The speed change body (4) comprises a transmission shaft group (41), and a speed change distribution valve (42) and a clutch body (43) are also arranged on the inner side of the direct-connection transmission case (2), and the transmission shaft group (41) is connected to the clutch body (43).

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