Rotary positioning device for loader axle

Abstract

The utility model relates to the technical field of loader axle machining equipment, and provides a loader axle rotating and positioning device which comprises a bottom plate, two supporting seats are oppositely installed on the bottom plate, rotating discs are rotatably installed on the two supporting seats respectively, a driving motor for driving the rotating discs to rotate is installed on one supporting seat in a transmission mode, and the other supporting seat is provided with a rotating disc. A hollowed-out mounting frame is mounted between the two rotating discs, a positioning assembly used for positioning a loader axle is mounted on the hollowed-out mounting frame and close to the middle position, a plurality of portable pressing mechanisms are oppositely arranged on the hollowed-out mounting frame and located on the two sides of the positioning assembly respectively, and the loader axle is buckled on the positioning assembly. And a portable pressing mechanism is used for pressing and fixing. According to the utility model, 360-degree rotation of the axle of the loader can be realized, the clamped bottom of the axle can be machined through the hollow mounting frame, and meanwhile, the mounting and the dismounting are convenient and fast, and the machining efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of loader axle processing equipment, in particular to a loader axle rotation positioning device. Background Art

[0002] A loader is a self-propelled earth-moving machine that can perform shoveling, loading, transporting and unloading operations. It is mainly composed of three parts: an engine, a chassis including a traveling mechanism, and a working device. It has the advantages of fast operating speed, high efficiency, good maneuverability and easy operation. It is widely used in construction projects such as roads, railways, buildings, hydropower, ports, and mines.

[0003] Among them, the chassis includes the walking mechanism, which includes the axle. Since there are many holes and surfaces on the cast loader axle that need to be machined, the axle needs to be positioned and placed on a lathe for processing. A positioning device is usually required in the axle positioning process. For example, the Chinese utility model patent with patent number CN201420849234.9 and patent name is axle positioning tooling. The device includes an upper seat, and two groups of positioning frames are arranged at intervals on the left and right of the upper seat. Each group of positioning frames includes a bottom positioning block, a side positioning block and two columns; the two columns are arranged on the upper seat at intervals in front and back, one of the columns is provided with a side positioning block, and the side wall of the other column is provided with a side locking screw, and the upper sides of the two columns are provided with The grooves of the two columns are clamped with an upper beam, and the upper beam is provided with an upper locking screw; the bottom positioning block is arranged between the two columns on the upper seat, and also includes a base, the middle part of the upper seat can be rotatably sleeved on the base, and the axle can be positioned and clamped in the vertical direction and the axle can be positioned and clamped in the horizontal direction; after the upper seat is rotated 180° on the base, the other side of the axle can be processed, and there is no need to re-lift and correct the bridge shell, the positioning is accurate, time-saving and labor-saving. By applying the above structure, the axle can be clamped and fixed and then rotated 180° on the horizontal plane, thereby realizing the processing of both sides of the axle, but the bottom of the axle clamp cannot be processed by applying the above structure, which causes some processed parts to need to be clamped again. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a loader axle rotation positioning device, which can realize 360° rotation of the loader axle, and the bottom of the axle clamp can be machined through a hollow mounting frame. At the same time, installation and disassembly are convenient and quick, and the processing efficiency is high.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A loader axle rotation positioning device comprises a base plate, two support seats are relatively mounted on the base plate, turntables are rotatably mounted on the two support seats, a driving motor for driving the turntable to rotate is transmission-mounted on one of the support seats, a hollow mounting frame is mounted between the two turntables, a positioning assembly for positioning the loader axle is mounted on the hollow mounting frame and near the middle position, a plurality of convenient clamping mechanisms are relatively arranged on the hollow mounting frame and on both sides of the positioning assembly, the loader axle is buckled on the positioning assembly and is clamped and fixed by the convenient clamping mechanism.

[0007] As an improved technical solution, the positioning assembly includes a positioning plate, which is installed on the hollow mounting frame. A positioning block is installed on the positioning plate. The positioning block is arranged corresponding to the through hole of the reducer mounting part on the loader axle. A positioning pin corresponding to the positioning hole of the loader axle is installed on the positioning plate and close to the positioning block.

[0008] As an improved technical solution, an introduction portion is provided at one end of the positioning block away from the positioning plate.

[0009] As an improved technical solution, the convenient clamping mechanism includes a sleeve, which is installed on the hollow mounting frame. A connecting rod is slidably inserted into the sleeve. One end of the connecting rod passes through the hollow mounting frame and is connected to the piston rod of a pushing device. The cylinder body of the pushing device is installed at the bottom of the hollow mounting frame. The other end of the connecting rod extends to the outside of the sleeve and is threadedly connected with a nut. A pressure block is slidably sleeved on the connecting rod, and the pressure block is movably installed between the nut and the sleeve.

[0010] As an improved technical solution, a spring is also mounted on the connecting rod, and the spring is compressed between the pressing block and the sleeve.

[0011] As an improved technical solution, the hollow mounting frame includes two mounting plates arranged opposite to each other, the two mounting plates are respectively mounted on the turntable, a supporting beam arranged opposite to each other is connected between the two mounting plates, and the positioning assembly and the convenient clamping mechanism are both mounted on the supporting beam.

[0012] As an improved technical solution, a plurality of lifting ears are relatively arranged around the base plate.

[0013] As an improved technical solution, the output shaft of the driving motor is transmission-connected to a worm, a worm wheel is mounted on the turntable, and the worm and the worm wheel are both disposed in the support seat and transmission-connected.

[0014] After adopting the above technical solution, the beneficial effects of the utility model are:

[0015] Two support seats are installed on the bottom plate, and turntables are rotatably installed on the two support seats, wherein a driving motor for driving the turntable to rotate is installed on one support seat, a hollow mounting frame is installed between the two turntables, and a positioning assembly is installed on the hollow mounting frame. A plurality of convenient clamping mechanisms are relatively arranged on the hollow mounting frame and on both sides of the positioning assembly, and the loader axle can be positioned by the positioning assembly, and the axle can be pressed onto the hollow mounting frame by the convenient clamping mechanism, and the positioning assembly can be used together to realize the rapid fixation of the loader axle, and the bottom of the axle clamping can be conveniently processed by adopting the structure of the hollow mounting frame, thereby improving the processing efficiency, and the turntable can be driven to rotate by the driving motor, thereby realizing the 360° rotation of the loader axle in the vertical direction, which is convenient for the machining of the axle;

[0016] The portable clamping mechanism comprises a sleeve, a connecting rod is slidably inserted in the sleeve, one end of the connecting rod passes through a hollow mounting frame and is connected to a piston rod of a pushing device, the other end of the connecting rod extends to the outside of the sleeve and is threadedly connected with a nut, a pressing block is slidably sleeved on the connecting rod, and the pressing block is movably installed between the nut and the sleeve, and the contraction of the piston rod of the pushing device can drive the connecting rod to move axially along the sleeve, thereby driving the pressing block to move downward synchronously, and realize the clamping and fixing of the loader axle, and by setting a nut, the nut is threadedly installed on the connecting rod, and the limit position of the pressing block on the connecting rod can be adjusted by rotating the nut, so as to be suitable for loader axles of different specifications, thereby enhancing the versatility of the portable clamping mechanism;

[0017] A spring is also mounted on the connecting rod, and the spring is compressed between the pressure block and the sleeve. The spring is set to apply force to the pressure block so that the downward pressure of the pressure block is more balanced. At the same time, when the pushing device is not moving, the pressure block can be tightened so that the pressure block will not move freely on the connecting rod, which is convenient for the disassembly and assembly of the loader axle.

[0018] In summary, the utility model provides a loader axle rotation positioning device, which can realize 360° rotation of the loader axle, and the bottom of the axle clamp can be machined through a hollow mounting frame. At the same time, installation and disassembly are convenient and quick, and the processing efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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 prior art descriptions are 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 creative work. In addition, in the drawings, the components or parts are not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the utility model from another angle;

[0022] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the convenient pressing mechanism in the utility model;

[0024] Figure 5 It is a schematic diagram of the transmission structure of the worm and the worm wheel in the utility model;

[0025] Reference numerals:

[0026] 1. Base plate, 2. Support seat, 3. Turntable, 4. Drive motor, 5. Hollow mounting frame, 501. Mounting plate, 502. Support beam, 6. Positioning assembly, 601. Positioning plate, 602. Positioning block, 603. Positioning pin, 604. Lead-in part, 7. Convenient clamping mechanism, 701. Sleeve, 702. Connecting rod, 703. Pushing device, 704. Nut, 705. Pressing block, 706. Spring, 8. Lifting ear, 9. Loader axle, 10. Worm, 11. Worm wheel. DETAILED DESCRIPTION

[0027] 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.

[0028] 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.

[0029] 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.

[0030] 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.

[0031] like Figure 1-Figure 4 As shown, a loader axle rotation positioning device comprises a base plate 1, two support seats 2 are relatively mounted on the base plate 1, turntables 3 are rotatably mounted on the two support seats 2, and the turntables 3 are rotatably mounted on the support seats 2 through bearings, wherein a driving motor 4 for driving the turntable 3 to rotate is installed on one of the support seats 2, a hollow mounting frame 5 is installed between the two turntables 3, a positioning assembly 6 for positioning the loader axle 9 is installed on the hollow mounting frame 5 and near the middle position, and a plurality of convenient clamping mechanisms 7 are relatively arranged on the hollow mounting frame 5 and on both sides of the positioning assembly 6, and the device The loader axle 9 is snapped onto the positioning assembly 6 and is clamped and fixed by a convenient clamping mechanism 7. The loader axle 9 can be positioned by the positioning assembly 6, and the axle can be clamped onto the hollow mounting frame 5 by the convenient clamping mechanism 7. The positioning assembly 6 is used together to achieve rapid fixation of the loader axle 9. By adopting the structure of the hollow mounting frame 5, it is convenient to process the bottom of the axle clamping, thereby improving the processing efficiency. The drive motor 4 can drive the turntable 3 to rotate, thereby achieving 360° rotation of the loader axle 9 in the vertical direction, which is convenient for machining the axle.

[0032] like Figure 1-Figure 3As shown, in some embodiments of the utility model, the positioning assembly 6 includes a positioning plate 601, which is installed on the hollow mounting frame 5 by bolts, and a positioning block 602 is installed on the positioning plate 601 by bolts, and the positioning block 602 is arranged corresponding to the through hole of the reducer mounting part on the loader axle 9, so that the reducer mounting part on the loader axle 9 can be snapped onto the positioning block 602 to achieve rough positioning of the loader axle 9, and a positioning pin 603 corresponding to the positioning hole of the loader axle 9 is installed on the positioning plate 601 and close to the positioning block 602, and the positioning pin 603 is arranged corresponding to the positioning hole on the loader axle 9 to achieve fine positioning of the loader axle 9, and the two positioning methods of rough positioning and fine positioning are used to facilitate the installation and placement of the operator.

[0033] like Figure 3 As shown, in the embodiment of the utility model, an introduction portion 604 is provided at one end of the positioning block 602 away from the positioning plate 601. The introduction portion 604 facilitates the reducer mounting portion of the loader axle 9 to be snapped onto the positioning block 602, making positioning convenient and quick, thereby improving work efficiency.

[0034] like Figure 1-Figure 4 As shown, in some embodiments of the utility model, the portable clamping mechanism 7 includes a sleeve 701, which is fixedly mounted on the hollow mounting frame 5, and a connecting rod 702 is slidably penetrated in the sleeve 701, one end of the connecting rod 702 passes through the hollow mounting frame 5 and is connected to the piston rod of the pushing device 703, and the cylinder body of the pushing device 703 is installed on the bottom of the hollow mounting frame 5 by bolts. The pushing device 703 can adopt an air cylinder or an oil cylinder, and the other end of the connecting rod 702 extends to the outside of the sleeve 701 and is threadedly connected with a nut 704, and a pressure block 705 is slidably sleeved on the connecting rod 702, and the pressure block 705 extends to the end of the loader axle 9 away from the connecting rod 702. At the top, when the piston rod of the pushing device 703 contracts, it can drive the pressure block 705 to move downward and clamp and fix the loader axle 9. The pressure block 705 is movably installed between the nut 704 and the sleeve 701. The contraction of the piston rod of the pushing device 703 can drive the connecting rod 702 to move axially along the sleeve 701, thereby driving the pressure block 705 to move downward synchronously and realize the clamping and fixing of the loader axle 9. By setting the nut 704, the nut 704 is threadedly installed on the connecting rod 702. By rotating the nut 704, the extreme position of the pressure block 705 on the connecting rod 702 can be adjusted to adapt to loader axles 9 of different specifications, thereby enhancing the versatility of the convenient clamping mechanism 7.

[0035] like Figure 1-Figure 4As shown, in the embodiment of the utility model, a spring 706 is also mounted on the connecting rod 702, and the spring 706 is compressed between the pressure block 705 and the sleeve 701. By setting the spring 706 to apply a force to the pressure block 705, the downward pressure of the pressure block 705 is made more balanced. At the same time, when the pushing device 703 is not in action, the pressure block 705 can be pressed tightly so that the pressure block 705 will not move freely on the connecting rod 702, thereby facilitating the disassembly and assembly of the loader axle 9.

[0036] like Figure 1-Figure 3 As shown, in some embodiments of the utility model, the hollow mounting frame 5 includes two mounting plates 501 arranged opposite to each other, and the two mounting plates 501 are respectively mounted on the turntable 3 by bolts, and a supporting beam 502 arranged opposite to each other is connected between the two mounting plates 501. The loader axle 9 is located between the two supporting beams 502, and the positioning assembly 6 and the convenient clamping mechanism 7 are both installed on the supporting beam 502. In addition, a plurality of connecting plates are provided between the two supporting beams 502, and the structural strength of the hollow mounting frame 5 is enhanced by providing the connecting plates.

[0037] like Figure 1-Figure 3 As shown, in some embodiments of the present invention, a plurality of lifting ears 8 are relatively provided around the base plate 1, and the lifting ears 8 are provided to facilitate the movement and transportation of the rotating positioning device of the loader axle 9.

[0038] like Figure 1 and Figure 5 As shown, in some embodiments of the utility model, the output shaft of the driving motor 4 is transmission-connected to the worm 10, and a worm wheel 11 is installed on the turntable 3. The worm 10 and the worm wheel 11 are both arranged in the support seat 2 and are transmission-connected. The driving motor 4 drives the worm 10 to rotate, and the worm 10 drives the worm wheel 11 to rotate during the rotation of the worm 10. The worm wheel 11 drives the turntable 3 to rotate, thereby realizing a 360° rotation of the loader axle 9 in the vertical direction. In this embodiment, the driving motor 4 adopts a reduction motor.

[0039] For ease of understanding, the working process of this embodiment is given below:

[0040] like Figure 1-Figure 5As shown, first, the reducer mounting part of the loader axle 9 is snapped onto the positioning block 602, and the positioning pin 603 is inserted into the positioning hole of the loader axle 9. Then, the spring 706 is pressed down by the pressure block 705, and the pressure block 705 is rotated to the upper surface of the loader axle 9. Then, the pushing device 703 is operated, and the pressure block 705 is driven to move downward through the connecting rod 702, and the loader axle 9 is pressed and fixed by the pressure block 705. Then, the rotation positioning device of the loader axle 9 is transferred to the processing machine tool through the lifting ear 8, and the loader axle 9 is machined by the processing machine tool. During the processing, the driving motor 4 drives the turntable 3 to rotate through the worm 10 and the worm wheel 11, and the turntable 3 drives the hollow mounting frame 5 to rotate synchronously, thereby realizing a 360° rotation of the loader axle 9 in the vertical direction. At the same time, due to the hollow structure of the hollow mounting frame 5, the machine tool can machine multiple positions of the loader axle 9.

[0041] In summary, the utility model provides a loader axle rotation positioning device, which can realize 360° rotation of the loader axle, and the bottom of the axle clamp can be machined through the hollow mounting frame. At the same time, the installation and disassembly are convenient and fast, and the processing efficiency is high.

[0042] 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 loader axle rotation positioning device, characterized in that: It includes a base plate, on which two support seats are relatively installed, and turntables are rotatably installed on the two support seats, wherein a driving motor for driving the turntable to rotate is transmission-installed on one of the support seats, and a hollow mounting frame is installed between the two turntables, and a positioning assembly for positioning the loader axle is installed on the hollow mounting frame and near the middle position, and a plurality of convenient clamping mechanisms are relatively arranged on the hollow mounting frame and on both sides of the positioning assembly, and the loader axle is buckled on the positioning assembly and is clamped and fixed by the convenient clamping mechanism.

2. The loader axle rotation positioning device according to claim 1, characterized in that: The positioning assembly includes a positioning plate, which is installed on the hollow mounting frame. A positioning block is installed on the positioning plate. The positioning block is arranged corresponding to the through hole of the reducer mounting part on the loader axle. A positioning pin corresponding to the positioning hole of the loader axle is installed on the positioning plate and close to the positioning block.

3. The loader axle rotation positioning device according to claim 2, characterized in that: An introduction portion is provided at one end of the positioning block away from the positioning plate.

4. The loader axle rotation positioning device according to claim 1, characterized in that: The convenient clamping mechanism includes a sleeve, which is installed on the hollow mounting frame. A connecting rod is slidably inserted into the sleeve. One end of the connecting rod passes through the hollow mounting frame and is connected to the piston rod of a pushing device. The cylinder body of the pushing device is installed at the bottom of the hollow mounting frame. The other end of the connecting rod extends to the outside of the sleeve and is threadedly connected with a nut. A pressure block is slidably sleeved on the connecting rod, and the pressure block is movably installed between the nut and the sleeve.

5. The loader axle rotation positioning device according to claim 4, characterized in that: The connecting rod is also sleeved with a spring, and the spring is compressed between the pressing block and the sleeve.

6. The loader axle rotation positioning device according to claim 1, characterized in that: The hollow mounting frame includes two mounting plates arranged opposite to each other, the two mounting plates are respectively mounted on the turntable, a supporting beam arranged opposite to each other is connected between the two mounting plates, and the positioning assembly and the convenient clamping mechanism are both mounted on the supporting beam.

7. The loader axle rotation positioning device according to claim 1, characterized in that: A plurality of lifting ears are relatively arranged around the base plate.

8. The loader axle rotation positioning device according to claim 1, characterized in that: The output shaft of the driving motor is transmission-connected to a worm, a worm wheel is mounted on the rotating disk, and the worm and the worm wheel are both arranged in the supporting seat and transmission-connected.

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