CN210258615U - Crawler belt walking mechanism - Google Patents
Crawler belt walking mechanism Download PDFInfo
- Publication number
- CN210258615U CN210258615U CN201921108799.0U CN201921108799U CN210258615U CN 210258615 U CN210258615 U CN 210258615U CN 201921108799 U CN201921108799 U CN 201921108799U CN 210258615 U CN210258615 U CN 210258615U
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- chain wheel
- sprocket
- frame
- driven
- jacking support
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Abstract
A crawler traveling mechanism relates to the technical field of traveling mechanisms. Including the sprocket frame that bilateral symmetry set up, connect the crossbeam through the chassis between the sprocket frame and connect as whole, the one end of sprocket frame is installed drive sprocket respectively and is driven drive sprocket pivoted actuating motor, other end and installs driven sprocket respectively, be provided with horizontal spout on the sprocket frame of driven sprocket both sides, driven sprocket passes through the jacking support slidable of U-shaped and sets up between two horizontal spouts, and the blind end of jacking support is connected with the straining device who is used for the tensioning to correspond the track. The utility model discloses a straining device promotes forward and installs the driven sprocket on the jacking support all the time in the tensioning state, reaches the purpose of initiative tensioning, can adjust the forward thrust size of spring through rotating the lead screw simultaneously.
Description
Technical Field
The utility model relates to a running gear technical field specifically is a crawler travel mechanism.
Background
The tracked vehicle has the advantages of small unit pressure on the ground, small subsidence, strong adhesion capability, good driving and passing capability and the like, has stronger adaptability to complex terrains, and is more and more widely applied. The existing crawler traveling mechanism has the following defects: 1) the tension adjusting mechanism between the driving chain wheel and the driven chain wheel in the track is complex in structure and has no driving tension function. 2) The weight of the body of the existing crawler is concentrated on the chassis connecting beam between the crawler belts on two sides, the load distribution is uneven, and the installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a crawler belt running gear can effectively solve the problem among the background art.
The technical scheme for realizing the purpose is as follows: the crawler belt walking mechanism comprises sprocket frames which are arranged in a bilateral symmetry mode, the sprocket frames are connected into a whole through a chassis connecting beam, one end of each sprocket frame is provided with a driving sprocket and a driving motor for driving the driving sprocket to rotate, the other end of each sprocket frame is provided with a driven sprocket, and the driving sprocket and the driven sprocket on the sprocket frames are in transmission connection through a crawler belt;
the method is characterized in that: the chain wheel frame is characterized in that the cross section of the chain wheel frame is in an inverted U shape, a driving chain wheel and a driven chain wheel are respectively installed in a U-shaped opening of the chain wheel frame and respectively extend upwards out of the chain wheel frame, transverse sliding grooves are formed in the chain wheel frame on two sides of the driven chain wheel, the driven chain wheel is installed between the two transverse sliding grooves of the chain wheel frame through a transverse horizontally-arranged jacking support, the jacking support is in a U shape, the driven chain wheel is arranged in the opening of the jacking support, a rotating shaft is rotatably arranged in the center of the driven chain wheel in a penetrating mode, two ends of the rotating shaft penetrate through the jacking support and are arranged in the transverse sliding grooves on two sides of the chain wheel frame;
the blind end of jacking support is connected with the straining device who is used for the tensioning to correspond the track, and straining device includes the sliding shaft, and the middle part of jacking support blind end is provided with the through-hole, and the one end of sliding shaft slides and wears to put in the through-hole, and the middle part of sliding shaft is provided with annular boss, has worn to put between the annular boss of sliding shaft and the jacking support to have the spring, and the other end of sliding shaft is connected with the screw rod, and the outer end of screw rod is provided with the spiral shell head, is fixed with the screw-nut with screw rod.
Furthermore, the two sides of the chain wheel frame are provided with fixing plates which extend outwards to form the corresponding side crawler belt, one side of each fixing plate, which extends out of the corresponding side crawler belt, is provided with a row of fixing supports which protrude upwards to the surface of the corresponding side crawler belt, and the chassis connecting cross beam is connected with a supporting seat which is parallel and level to the upper ends of the fixing supports.
Further, the driven sprocket is rotatably mounted on the rotating shaft through a bushing.
Furthermore, a row of track rollers are arranged on the chain wheel frame between the driving chain wheel and the driven chain wheel, and the bottoms of the track rollers are pressed on the corresponding tracks.
The utility model has the advantages that:
1) the utility model pushes the driven chain wheel installed on the jacking bracket forwards through the spring to be always in a tensioning state, thereby achieving the purpose of active tensioning, and meanwhile, the forward thrust of the spring can be adjusted through rotating the lead screw; 2) the body of the tracked vehicle is installed on the chain wheel frames on two sides through the fixed support, the installation and the fixation are convenient, and meanwhile, the body of the tracked vehicle is supported on the supporting seat of the chassis connecting beam, so that the vehicle-mounted load of the tracked vehicle is uniformly distributed, and the work is more stable.
Drawings
Fig. 1 is a side view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a front view of the present invention.
Detailed Description
As shown in fig. 1, 2, 3, the utility model discloses a sprocket frame 1 that bilateral symmetry set up, connect crossbeam 2 through the chassis between the sprocket frame 1 and connect as whole, sprocket frame 1 one end is installed drive sprocket 3 respectively and is driven drive sprocket 3 and move driving motor 4, driven sprocket 5 is installed respectively to the other end, connect through track 6 transmission between drive sprocket 3 and the driven sprocket 5 on the sprocket frame 1 respectively, install one row of track thrust wheel 10 on the sprocket frame 1 between drive sprocket 3 and the driven sprocket 5, the bottom pressure of track thrust wheel 10 is on corresponding track 6.
The cross-section of sprocket frame 1 is the shape of falling U, drive sprocket 3 and driven sprocket 5 are installed respectively in the U-shaped opening of sprocket frame 1, and upwards stretch out sprocket frame 1 respectively, be provided with horizontal chute 8 on the sprocket frame 1 of driven sprocket 5 both sides, driven sprocket 5 installs between two horizontal chute 8 of sprocket frame 1 through jacking support 9 that horizontal level was arranged, jacking support 9 is the U-shaped, driven sprocket 5 sets up in the opening of jacking support 1, driven sprocket 5's center has worn to have set axis of rotation 7, driven sprocket 5 rotates through axle sleeve 12 and installs on axis of rotation 7, jacking support 9 is passed at the both ends of axis of rotation 7, and sliding fit sets up in the horizontal chute 8 of sprocket frame 1 both sides, sprocket frame 1 is stretched out respectively at 7 both ends of axis of rotation, and be connected with fixation nut 11.
The middle part of the closed end of the jacking support 9 is connected with a tensioning mechanism 13 used for tensioning a corresponding track, the tensioning mechanism 13 comprises a sliding shaft 14, the middle part of the closed end of the jacking support 9 is provided with a through hole, one end of the sliding shaft 14 penetrates through the through hole in a sliding manner, the middle part of the sliding shaft is provided with an annular boss 15, a spring 16 penetrates between the annular boss 15 of the sliding shaft 14 and the jacking support 9, the other end of the sliding shaft 14 is connected with a screw rod 17, the outer end of the screw rod 17 is provided with a screw head 18, and a lead screw nut 19 in threaded connection with the screw rod 17 is fixed on the chain wheel.
The two sides of the chain wheel frame 1 are provided with fixing plates 20 which extend outwards and correspond to the crawler belts 6, a row of fixing supports 21 which extend upwards and correspond to the crawler belts are arranged on the fixing plates 20, and the chassis connecting beam 2 is connected with a supporting seat 22 which is parallel and level to the upper ends of the fixing supports 21.
The utility model discloses normal during operation promotes driven sprocket 5 forward through spring 6 and corresponds the tensioning of track 6 between the drive sprocket 3. And the screw 17 and the sliding shaft 14 can be driven to move along the axial direction by pulling the screw head 18 at the end part of the screw 17 with a wrench, so that the pressure adjustment of the spring 16 is realized.
Claims (4)
1. The crawler belt walking mechanism comprises sprocket frames which are arranged in a bilateral symmetry mode, the sprocket frames are connected into a whole through a chassis connecting beam, one end of each sprocket frame is provided with a driving sprocket and a driving motor for driving the driving sprocket to rotate, the other end of each sprocket frame is provided with a driven sprocket, and the driving sprocket and the driven sprocket on the sprocket frames are in transmission connection through a crawler belt;
the method is characterized in that: the chain wheel frame is characterized in that the cross section of the chain wheel frame is in an inverted U shape, a driving chain wheel and a driven chain wheel are respectively installed in a U-shaped opening of the chain wheel frame and respectively extend upwards out of the chain wheel frame, transverse sliding grooves are formed in the chain wheel frame on two sides of the driven chain wheel, the driven chain wheel is installed between the two transverse sliding grooves of the chain wheel frame through a transverse horizontally-arranged jacking support, the jacking support is in a U shape, the driven chain wheel is arranged in the opening of the jacking support, a rotating shaft is rotatably arranged in the center of the driven chain wheel in a penetrating mode, two ends of the rotating shaft penetrate through the jacking support and are arranged in the transverse sliding grooves on two sides of the chain wheel frame;
the blind end of jacking support is connected with the straining device who is used for the tensioning to correspond the track, and straining device includes the sliding shaft, and the middle part of jacking support blind end is provided with the through-hole, and the one end of sliding shaft slides and wears to put in the through-hole, and the middle part of sliding shaft is provided with annular boss, has worn to put between the annular boss of sliding shaft and the jacking support to have the spring, and the other end of sliding shaft is connected with the screw rod, and the outer end of screw rod is provided with the spiral shell head, is fixed with the screw-nut with screw rod.
2. The crawler belt unit of claim 1, wherein: the two sides of the chain wheel frame are provided with fixing plates which extend out of the corresponding side tracks, one side of each fixing plate, which extends out of each track, is provided with a row of fixing supports which protrude upwards and are arranged on the surfaces of the tracks, and the chassis connecting cross beam is connected with a supporting seat which is parallel to the upper ends of the fixing supports.
3. The crawler belt unit of claim 1, wherein: the driven chain wheel is rotatably arranged on the rotating shaft through a shaft sleeve.
4. The crawler belt unit of claim 1, wherein: a row of track supporting wheels are arranged on a chain wheel frame between the driving chain wheel and the driven chain wheel, and the bottoms of the track supporting wheels are pressed on corresponding tracks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108799.0U CN210258615U (en) | 2019-07-16 | 2019-07-16 | Crawler belt walking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108799.0U CN210258615U (en) | 2019-07-16 | 2019-07-16 | Crawler belt walking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210258615U true CN210258615U (en) | 2020-04-07 |
Family
ID=70012484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921108799.0U Active CN210258615U (en) | 2019-07-16 | 2019-07-16 | Crawler belt walking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210258615U (en) |
-
2019
- 2019-07-16 CN CN201921108799.0U patent/CN210258615U/en active Active
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