Crawler transmission mechanism for branch crusher

By using a crawler transmission mechanism on the twisted crusher, using a dual-axis motor to drive the movement of the crawler and setting bumps to enhance the grip effect, combined with the tension adjustment component to simplify the disassembly of the crawler, the problems of unstable walking and difficult to repair by the twisted crusher are solved, and stable movement and convenient maintenance are achieved in complex terrain.

CN223212439UActive Publication Date: 2025-08-12QINGDAO ZHONGLANG MASCH TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422587090.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-08-12
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

The wheels of the existing twig crusher are unstable, easy to overturn, and are not easy to disassemble, repair and replace.

Method used

The track transmission mechanism is adopted to drive the rotation shaft through a dual-axis motor. The drive wheel meshs with the support wheel and the bracket wheel to drive the track to move, and a bump is provided on the outside of the track to improve the grip effect. At the same time, the tension adjustment component is designed to facilitate the disassembly and installation of the track.

Benefits of technology

Improves the mobility stability of the twig crusher in complex terrain and simplifies the maintenance and replacement of tracks.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223212439U_ABST
    Figure CN223212439U_ABST
Patent Text Reader

Abstract

The utility model relates to a transmission mechanism, belongs to the technical field of branch crushing machines, and particularly relates to a crawler belt transmission mechanism for a branch crushing machine, which comprises a chassis, two connecting plates are symmetrically fixed on the lower side of the chassis, and a double-shaft motor is mounted on the lower side of the chassis; the double-shaft motor is started, the rotating shaft is driven to rotate, then the two driving wheels rotate, the two driving wheels, the two dragging wheels and the multiple supporting wheels are meshed with teeth between the two crawler belts, the crawler belts are finally made to move, the multiple protruding blocks are arranged on the outer sides of the two crawler belts at equal intervals, the ground gripping effect of the two crawler belts is improved, and the crawler belts are convenient to use. The stability of overall movement is ensured; the distance between the two driving wheels and the towing wheel can be adjusted through the tensioning adjusting assembly, so that the two crawler belts can be easily detached, cleaning and regular maintenance and replacement are convenient, and operation is easy. The problems that an existing wheel is unstable in walking, prone to rollover, poor in safety and stability and not easy to disassemble, overhaul and replace are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of branch shredders, in particular to a crawler transmission mechanism for branch shredders. Background Art

[0002] A branch chipper is a machine that can chip branches and trunks with a diameter of 1-20 cm. At the same time, the equipment can also be used for cutting feed chips of fibrous stalk-like materials such as bamboo, thatch, corn stalks, and sorghum stalks. A branch chipper is generally composed of a feed hopper, a chopping device, a drive device, and a discharge hopper.

[0003] Existing branch chippers are generally wheeled structures, but they have poor safety and stability in mountainous areas or complex terrains with a lot of mud and sand, are prone to rollover, and are difficult to disassemble, repair, and replace. Utility Model Content

[0004] In order to solve the above technical problems, the utility model proposes a crawler transmission mechanism for a branch chipper, which turns on the dual-axis motor to drive the rotating shaft to rotate, and then the two drive wheels rotate. The two drive wheels, two tugwheels and multiple support wheels are engaged with the teeth of the two crawlers, and finally the crawlers move. By arranging multiple protrusions at equal intervals on the outside of the two crawlers, the grip effect of the two crawlers is improved, ensuring the stability of the overall movement.

[0005] The technical solution to achieve the purpose of the utility model is: a crawler transmission mechanism for a branch chipper, including a chassis, two connecting plates symmetrically fixed on the lower side of the chassis, and a double-axis motor installed on the lower side of the chassis, the output end of the double-axis motor is connected to a rotating shaft through a coupling, both ends of the rotating shaft pass through and are rotatably connected to one side of the two connecting plates, and also includes: a driving assembly and a tensioning adjustment assembly, the driving assembly is arranged under the chassis; the tensioning adjustment assembly is arranged on one side of the driving assembly; the driving assembly includes two driving wheels fixed at both ends of the rotating shaft, two crawler frames symmetrically arranged under the chassis, the inner sides of the two crawler frames are rotatably connected with a plurality of support wheels at equal intervals, and one end of the two crawler frames is rotatably provided with a supporting wheel, and the outer sides of the two driving wheels, the plurality of support wheels and the two supporting wheels are all covered with crawlers to form a transmission fit.

[0006] In some embodiments, the tensioning adjustment assembly includes two mounting grooves opened on the inner sides of the two track frames and two fixing plates fixed to one side of the two track frames. The inner sides of the two mounting grooves are slidably provided with connecting shafts. The two supporting wheels are rotatably connected to the outer sides of the two connecting shafts respectively. The outer sides of the two connecting shafts are symmetrically rotatably connected to two nuts through threads. The inner sides of the two fixing plates are penetrated and rotatably connected with rotating rods, and one side of the two fixing plates is fixed with sleeves. The outer sides of the two rotating rods are provided with threads, and the two rotating rods penetrate and rotatably connected to the inner sides of the two sleeves. The outer sides of the two rotating rods are rotatably connected to moving rods sliding on one end of the two sleeves through threads, and one end of the two moving rods is fixed with limiting blocks.

[0007] In some embodiments, a handle is fixed to the other end of each of the two rotating rods.

[0008] In some embodiments, two connecting beams are symmetrically mounted on the upper sides of the two crawler frames by screws.

[0009] In some embodiments, a protective shell is provided on the outside of the dual-axis motor.

[0010] In some embodiments, a plurality of mounting holes are formed on the inner side of the chassis at equal intervals.

[0011] In some embodiments, a plurality of protrusions are fixed at equal intervals on the outer sides of the two crawlers.

[0012] Compared with the prior art, the present invention has the following significant advantages:

[0013] First, the utility model starts the dual-axis motor to drive the rotating shaft to rotate, and then the two driving wheels rotate. The two driving wheels, two tugwheels and multiple support wheels are meshed with the teeth of the two crawlers, and the crawlers are finally moved. By arranging multiple protrusions at equal intervals on the outside of the two crawlers, the gripping effect of the two crawlers is improved, ensuring the stability of the overall movement.

[0014] Second, the utility model can adjust the distance between the two driving wheels and the tugwheel through the tensioning adjustment component, so that the two crawlers can be easily removed, which is convenient for cleaning and regular maintenance and replacement, and the operation is simple;

[0015] The invention solves the problems of the existing wheels such as unstable walking, easy rollover, poor safety and stability, and difficulty in disassembly, maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure provided in one embodiment of the present invention;

[0018] Figure 2 This is a schematic side view of the overall structure provided by the utility model in one embodiment;

[0019] Figure 3 This is a schematic diagram of a partial cross-sectional structure of a chassis provided in one embodiment of the present invention when viewed from above;

[0020] Figure 4 This is a schematic diagram of the structure between one crawler and a crawler frame provided in one embodiment of the present invention;

[0021] Figure 5 The utility model provides in one embodiment Figure 2 Enlarged structural diagram at point A in the middle.

[0022] Description of reference numerals:

[0023] 1. Chassis; 2. Connecting plate; 3. Dual-axis motor; 4. Rotating shaft; 5. Driving wheel; 6. Track frame; 7. Support wheel; 8. Support roller; 9. Track; 10. Mounting slot; 11. Fixing plate; 12. Connecting shaft; 13. Nut; 14. Rotating rod; 15. Sleeve; 16. Moving rod; 17. Limit block; 18. Handle; 19. Connecting beam; 20. Protective shell; 21. Mounting hole; 22. Bump. DETAILED DESCRIPTION

[0024] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] The utility model provides a crawler transmission mechanism for a branch chipper through improvement. The technical solution of the utility model is:

[0026] like Figure 1-Figure 4As shown, a crawler transmission mechanism for a branch chipper includes a chassis 1, two connecting plates 2 are symmetrically fixed to the lower side of the chassis 1, and a dual-axis motor 3 is installed on the lower side of the chassis 1, the output end of the dual-axis motor 3 is connected to a rotating shaft 4 through a coupling, and both ends of the rotating shaft 4 are rotatably connected to one side of the two connecting plates 2, and also includes: a driving assembly and a tensioning adjustment assembly, the driving assembly is arranged under the chassis 1; the tensioning adjustment assembly is arranged on one side of the driving assembly; the driving assembly includes two driving wheels 5 fixed at both ends of the rotating shaft 4, two crawler frames 6 symmetrically arranged under the chassis 1, the inner sides of the two crawler frames 6 are rotatably connected with a plurality of supporting wheels 7 at equal intervals, and one end of the two crawler frames 6 is rotatably provided with a supporting wheel 8, and the outer sides of the two driving wheels 5, the plurality of supporting wheels 7 and the two supporting wheels 8 are all sleeved with crawler tracks 9 to form a transmission match;

[0027] Combined with the description of the above-mentioned drive components, turn on the switch of the dual-axis motor 3, the dual-axis motor 3 drives the rotating shaft 4 to rotate, and then the two drive wheels 5 rotate. By cooperating with multiple support wheels 7 and two supporting wheels 8, the two crawlers 9 are driven to transmit and move. It is not easy to roll over and is suitable for movement in various complex terrains.

[0028] like Figure 5 As shown, in one embodiment, the tensioning adjustment assembly includes two mounting grooves 10 opened on the inner sides of the two track frames 6, two fixing plates 11 fixed to one side of the two track frames 6, the inner sides of the two mounting grooves 10 are slidably provided with connecting shafts 12, the two supporting wheels 8 are respectively rotatably connected to the outer sides of the two connecting shafts 12, the outer sides of the two connecting shafts 12 are symmetrically rotatably connected to two nuts 13 through threads, the inner sides of the two fixing plates 11 are penetrated and rotatably connected with rotating rods 14, and one side of the two fixing plates 11 is fixed with sleeves 15, the outer sides of the two rotating rods 14 are provided with threads, and the two rotating rods 14 penetrate and rotatably connect to the inner sides of the two sleeves 15, the outer sides of the two rotating rods 14 are rotatably connected to moving rods 16 sliding on one end of the two sleeves 15 through threads, and one end of the two moving rods 16 is fixed with a limiting block 17;

[0029] Combined with the description of the above-mentioned tensioning and adjusting assembly, when the crawler 9 needs to be disassembled, replaced or repaired, the two rotating rods 14 are rotated respectively. The rotation of the two rotating rods 14 drives the two moving rods 16 to move along the inner side of the two sleeves 15 through threaded engagement, and finally the two limit blocks 17 move and separate from one side of two of the nuts 13. At this time, two of the nuts 13 are rotated respectively by a wrench or other tools to release the fitting state of multiple nuts 13 and the outer walls of the two track frames 6, so that the two connecting shafts 12 can be slid along the inner side of the two mounting grooves 10, and the spacing between the two driving wheels 5 and the supporting wheel 8 can be adjusted, so that the two crawlers 9 can be easily removed. Similarly, during installation, they can be quickly installed and adjusted to the appropriate tightness.

[0030] like Figure 4As shown, in one embodiment, in order to facilitate the staff to rotate by hand, the other ends of the two rotating rods 14 are fixed with handles 18.

[0031] like Figure 1 and Figure 2 As shown, in one embodiment, two connecting beams 19 are symmetrically mounted on the upper sides of the two track frames 6 by screws, and the two track frames 6 and the chassis 1 are connected by the two connecting beams 19 .

[0032] like Figure 3 As shown, in one embodiment, a protective shell 20 is provided on the outside of the dual-axis motor 3. The protective shell 20 can protect the dual-axis motor 3 to prevent mud from some muddy roads from splashing onto the surface of the dual-axis motor 3 during movement, thereby affecting the service life of the dual-axis motor 3.

[0033] like Figure 3 As shown, in one embodiment, a plurality of mounting holes 21 are opened at equal intervals on the inner side of the chassis 1 , and the chassis 1 and the two connecting beams 19 can be fixedly connected by rotating screws inside the plurality of mounting holes 21 .

[0034] like Figure 4 As shown, in one embodiment, a plurality of protrusions 22 are fixed at even intervals on the outer sides of the two crawlers 9, thereby improving the gripping effect and ensuring the stability of movement.

[0035] The specific working method is: during operation, by turning on the switch of the dual-axis motor 3, the dual-axis motor 3 drives the rotating shaft 4 to rotate, and then the two driving wheels 5 rotate, and through the cooperation with multiple supporting wheels 7 and two supporting wheels 8, the two crawlers 9 are driven to transmit and move. Multiple protrusions 22 are fixed on the outside of the two crawlers 9 at equal intervals, which are convenient for gripping and moving, not easy to roll over, and suitable for movement on various complex terrains. When the crawler 9 needs to be disassembled, replaced or repaired, the two handles 18 are respectively held to rotate, and the rotation of the two handles 18 drives the two rotating rods 14 to rotate, and the two The rotating rod 14 rotates and drives the two moving rods 16 to move along the inner sides of the two sleeves 15 through threaded engagement. Finally, the two limit blocks 17 move and separate from one side of two nuts 13. At this time, two of the nuts 13 are rotated separately by a wrench or other tools to release the fitting state of multiple nuts 13 and the outer walls of the two track frames 6, so that the two connecting shafts 12 can be slid along the inner sides of the two mounting grooves 10, and the spacing between the two driving wheels 5 and the supporting wheels 8 can be adjusted, so that the two crawlers 9 can be easily removed. Similarly, during installation, they can be quickly installed and adjusted to the appropriate tightness.

[0036] The technical means disclosed in the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. A crawler transmission mechanism for a branch chipper, comprising a chassis (1), two connecting plates (2) symmetrically fixed to the lower side of the chassis (1), and a dual-axis motor (3) mounted on the lower side of the chassis (1), the output end of the dual-axis motor (3) being connected to a rotating shaft (4) via a coupling, both ends of the rotating shaft (4) being rotatably connected to one side of the two connecting plates (2), characterized in that: Also includes: A drive assembly, the drive assembly being arranged below the chassis (1); A tensioning adjustment component, the tensioning adjustment component is arranged on one side of the driving component; The driving assembly comprises two driving wheels (5) fixed at both ends of a rotating shaft (4), and two crawler frames (6) symmetrically arranged below a chassis (1); a plurality of supporting wheels (7) are rotatably connected to the inner sides of the two crawler frames (6) at equal intervals, and a supporting wheel (8) is rotatably arranged at one end of each of the two crawler frames (6); and crawler tracks (9) are sleeved on the outer sides of the two driving wheels (5), the plurality of supporting wheels (7) and the two supporting wheels (8) to form a transmission fit.

2. A crawler transmission mechanism for a branch chipper according to claim 1, characterized in that: The tensioning adjustment assembly comprises two mounting grooves (10) provided on the inner sides of the two crawler frames (6), and two fixing plates (11) fixed on one side of the two crawler frames (6). The inner sides of the two mounting grooves (10) are both slidably provided with connecting shafts (12). The two supporting wheels (8) are respectively rotatably connected to the outer sides of the two connecting shafts (12). The outer sides of the two connecting shafts (12) are symmetrically rotatably connected to two nuts (13) through threads. The inner sides of the two fixing plates (11) are both rotatably connected to rotating rods (14), and one side of the two fixing plates (11) is fixed with sleeves (15). The outer sides of the two rotating rods (14) are provided with threads, and the two rotating rods (14) are rotatably connected to the inner sides of the two sleeves (15). The outer sides of the two rotating rods (14) are both rotatably connected to moving rods (16) sliding on one end of the two sleeves (15) through threads, and one end of the two moving rods (16) is fixed with a limiting block (17).

3. The crawler transmission mechanism for a branch chipper according to claim 2, characterized in that: The other ends of the two rotating rods (14) are both fixed with handles (18).

4. The crawler transmission mechanism for a branch chipper according to claim 1, characterized in that: Two connecting beams (19) are symmetrically mounted on the upper sides of the two crawler frames (6) via screws.

5. The crawler transmission mechanism for a branch chipper according to claim 1, characterized in that: A protective shell (20) is provided on the outer side of the dual-shaft motor (3).

6. The crawler transmission mechanism for a branch chipper according to claim 1, characterized in that: A plurality of mounting holes (21) are provided at equal intervals on the inner side of the chassis (1).

7. The crawler transmission mechanism for a branch chipper according to claim 1, characterized in that: A plurality of protrusions (22) are fixed at equal intervals on the outer sides of the two crawlers (9).