Crawler walking mechanism based on rod rope crawler

Abstract

The utility model discloses a crawler belt walking mechanism based on a rod rope crawler belt. The crawler belt walking mechanism comprises a driving wheel, an inducing wheel and the rod rope crawler belt connected to the driving wheel and the inducing wheel in a bridging mode. The rod-rope crawler belt comprises a plurality of ropes arranged in parallel and connecting assemblies which are evenly arranged in the length direction of the ropes and fix the ropes together. The connecting assembly comprises a rod piece and a pressing strip which are arranged relative to the rope, and the rod piece is fixedly connected with the pressing strip; a plurality of rod grooves meshed with the rod pieces are evenly distributed in the driving wheel and the inducer. The multi-edge effect does not exist, force transmission is stable, and vibration and impact are small; and the rod rope crawler belt is simple in structure, not easy to wear, durable and low in manufacturing and maintenance cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of crawler traveling devices and relates to a crawler traveling mechanism based on a rod-rope crawler. Background Art

[0002] In the prior art, crawler tracks are driven by driving wheels and are flexible chains around driving wheels, road wheels, idler wheels and track rollers. Crawler tracks are mainly divided into rubber crawler tracks and metal crawler tracks.

[0003] Rubber tracks are suitable for small agricultural machinery and construction machinery under light working conditions. Gravel, crushed stone, curbstone, ruts or uneven road surfaces, and roads with sharp protrusions (such as steel bars, stones, etc.) will cause wear and even cracking of the rubber surface; at the same time, chemicals, engine oil, and salt in seawater will accelerate the aging of rubber tracks, and the tracks need to be cleaned after use; moreover, rubber tracks are prone to brittle cracking at low temperatures and softening at high temperatures, and the operating temperature must be limited to between -25 and +55°C.

[0004] The metal track is composed of track plates and track pins, etc. The track pins connect the track plates to form track links. The application range and applicable working conditions are relatively wide, and the service life is long. Chinese patent CN201180003508.1 discloses a track and a main link for the track. It is a metal track that can achieve the cutting and connecting operations of the track in maintenance and other situations through the provision of fasteners, gaskets, main links, etc. However, the anti-skid ribs or patterns of the metal are easy to damage the road surface, and the manufacturing cost and the maintenance cost such as cleaning, tightening, and lubrication are relatively high. Moreover, the polygonal effect makes the instantaneous movement speed of the force points on the track joints unequal during load transmission, and the force transmission is not smooth, which can easily cause vibration, impact, and wear of pins and pin bushings; the entry of gravel, salt spray or other foreign matter can easily cause damage to the chain pins and pin bushings; and insufficiently lubricated pins and pin bushings are prone to wear, and the wear of pins and pin bushings can lengthen the pitch of the track and cause lateral movement, causing wear of components such as guide wheels, supporting rollers, sprocket wheels, and driving wheels, while also aggravating the wear of track pins and pin bushings. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the existing rubber track and metal track technology, and to provide a track walking mechanism based on a rod and rope track, which combines the advantages of rope transmission and chain transmission, while ensuring strong traction, improving the stability of force transmission, reducing vibration and impact, and reducing damage to the road surface.

[0006] The utility model provides a crawler walking mechanism based on a rod and rope crawler, which comprises a driving wheel, an inducer wheel and a rod and rope crawler straddling the driving wheel and the inducer wheel; the rod and rope crawler comprises a plurality of ropes arranged in parallel and a connecting assembly which is evenly arranged along the length direction of the ropes and fixes the ropes together; the connecting assembly comprises a rod and a pressure strip which are arranged relative to the ropes, and the rod and the pressure strip are fixedly connected; the driving wheel and the inducer wheel are evenly provided with a plurality of rod grooves which mesh with the rod.

[0007] In the above-mentioned crawler walking mechanism based on the rod-rope crawler, the adjacent layer strips are connected to each other to prevent foreign objects protruding from the road surface from directly impacting the rope, thereby reducing the wear of the rope. The outer side of the layer strip is in contact with the ground, and a reinforced anti-skid rib or pattern can also be provided to improve the firmness of the rod and the layer strip, as well as the adhesion between the rod-rope crawler and the ground. In order to reduce the damage to the road surface, the reinforced anti-skid rib or pattern on the outer side of the layer strip can be rubber or plastic, which can be replaced after wear.

[0008] The above-mentioned crawler walking mechanism based on the rod and rope crawler also includes one or more road wheels meshed with the inner side of the lower layer of the rod and rope crawler, or / and one or more track rollers meshed with the inner side of the upper layer of the rod and rope crawler. The rod and rope crawler is driven by the driving wheel and circulates around the driving wheel, the road wheels, the idler wheels and the track rollers. The road wheels and / or the track rollers are evenly provided with a plurality of rod grooves meshed with the rods.

[0009] In the above-mentioned crawler walking mechanism based on rod-rope crawler, the rod groove includes an arc bottom and two arc-shaped parts or linear parts respectively connected to the two ends of the arc bottom; the cross section of the arc bottom is an arc; the cross section of the arc part is an arc, and the arc direction is opposite to that of the cross section of the arc bottom; the inner edge of the arc part or linear part is smoothly connected to the arc bottom, and the outer edge thereof is smoothly connected to the circumferential surface of the driving wheel / inducing wheel / road wheel / track roller. The number of rod grooves is N, and the pitch between adjacent rods on the rope is equal to the quotient of the circumference of each wheel divided by N.

[0010] In order to adapt to the rod slot structure, it can be achieved in the following ways:

[0011] (1) The cross section of the rod is circular, and the rod is adapted to the arc bottom of the rod groove;

[0012] (2) The cross-sectional profile of the engaging portion of the rod member is the same as the cross-sectional profile of the rod groove.

[0013] In order to increase the meshing force between the pole rope and the pole rope wheel, reduce vibration, and improve the durability of the rope and each wheel, the force-bearing surface when the pole and the pole groove are meshed and transmitted can be increased, and the sliding friction between the contact parts during the meshing process can be optimized. The cross-section of the meshing part of the pole is a bell-shaped formed by a combination of a circular arc and an arc or a straight line segment, and the cross-section of the pole groove is a matching bell-shaped and smoothly transitions to the top of the groove. The sliding between the contact parts during the meshing process is smooth and there is no sense of frustration, the meshing is sufficient, and the bearing capacity is large.

[0014] The above-mentioned crawler walking mechanism based on rod rope crawler, in order to prevent the rod rope wrapped with the grooved rod rope wheel from sliding sideways and falling off, the driving wheel, the inducer wheel, the load wheel and / or the track roller are provided with a limiting structure for limiting the sliding direction of the rope, or the rod member is provided with a limiting structure for limiting the sliding direction of the rope: (1) The limiting structure provided on the driving wheel, the inducer wheel, the load wheel and / or the track roller is a rope groove provided on the driving wheel, the inducer wheel, the load wheel and / or the track roller; the rope groove is a single groove that accommodates all ropes, or multiple grooves with the same number of ropes; the cross-section of the rope groove is a semicircular, semicircular with a cutout, V-shaped or V-shaped with a cutout and the like, and matches the size of the rope, and the center distance between adjacent rope grooves is the same as the center distance between adjacent ropes; (2) The limiting structure provided on the rod member is a limiting member provided on the rod member on both sides of the rope.

[0015] In the above-mentioned crawler walking mechanism based on rod and rope crawler, the rod and the pressure strip are fixedly connected by a plurality of bolts arranged along the direction of the rod.

[0016] Compared with the prior art, the crawler walking mechanism based on the rod-rope crawler provided by the utility model has the following beneficial effects:

[0017] 1. The utility model provides a new crawler walking mechanism, which is composed of a rope crawler with ropes, rods and pressing sheets. The ropes in the rope crawler move along the wheel bodies in the driving wheel and the induction wheel. There is no multilateral effect, the force transmission is stable, and the vibration and impact are small.

[0018] 2. The main body of the utility model can be made of metal, and the cross section of the rod meshing part is bell-shaped, and the cross section of the rod groove is a matching bell shape and smoothly transitions with the groove top, which can ensure strong traction and a relatively wide range of application and working conditions;

[0019] 3. The utility model has a simple structure of rod rope crawler, is not easy to wear, durable, and has low manufacturing and maintenance costs;

[0020] 4. The outer side pressure piece of the pole-rope crawler of the utility model can be increased with rubber or plastic to strengthen the anti-skid ribs or patterns, which can reduce the damage to the road surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a crawler walking mechanism based on a rod-rope crawler in Example 1;

[0022] Figure 2 It is the left view of the crawler walking mechanism based on rod and rope tracks.

[0023] In the figure, 1-driving wheel; 2-inducing wheel; 3-rope; 4-rod; 5-pressure strip; 6-rod groove; 7-road wheel; 8-track roller; 9-bolt, 10-rope groove. DETAILED DESCRIPTION

[0024] The utility model will be further described below in conjunction with the accompanying drawings.

[0025] In the description of the present invention, it should be noted that the terms "left", "right", "upper", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the devices or components referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention; the term "multiple" refers to three or more; the term "parallel" refers to side by side and in parallel; "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist, for example: A and / or B, which can indicate: A exists alone, A and B exist at the same time, and B exists alone; the term "optionally" means "provided in some embodiments and not provided in other embodiments"; any specific embodiment of the present invention may include multiple "optional" features unless these features conflict. In addition, the terms "first", "second", "third", "fourth", "fifth", and "sixth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] Example 1

[0027] like Figure 1 As shown, the crawler walking mechanism based on the rod and rope crawler provided in this embodiment includes a driving wheel 1, an idler wheel 2 and a rod and rope crawler straddling the driving wheel 1 and the idler wheel 2, and also includes two load-bearing wheels 7 meshed with the inner side of the lower layer of the rod and rope crawler, and a track-supporting wheel 8 meshed with the inner side of the upper layer of the rod and rope crawler.

[0028] like Figure 1 and Figure 2 As shown, the rod and rope crawler includes a plurality of ropes 3 arranged in parallel and a connecting assembly evenly arranged along the length direction of the ropes to fix the ropes 3 together. The connecting assembly includes a rod 4 and a pressure strip 5 arranged relative to the rope 3. The rod 4 and the pressure strip 5 are fixedly connected by a plurality of bolts 9 arranged along the rod 2.

[0029] Several rod grooves 6 meshing with the rod 4 are evenly arranged on the driving wheel 1, the induction wheel 2, the road wheel 7 and the support wheel 8. The rod groove 6 includes an arc bottom and two arc-shaped parts connected to the two ends of the arc bottom respectively; the cross section of the arc bottom is an arc; the cross section of the arc-shaped part is an arc, and the arc direction is opposite to that of the cross section of the arc bottom; the inner edge of the arc-shaped part is smoothly connected to the arc bottom, and its outer edge is smoothly connected to the circumferential surface of the driving wheel / induction wheel / road wheel / support wheel; the cross-sectional profile of the rod meshing part is the same as the cross-sectional profile of the rod groove, that is, a bell-shaped formed by the combination of the arc and the arc. In this way, the sliding between the contact parts during the meshing process is smooth and without frustration, the meshing is sufficient, and the bearing capacity is large.

[0030] Adjacent strips are connected to each other to prevent foreign objects protruding from the road from directly impacting the rope, thereby reducing rope wear. The outer side of the strip is in contact with the ground, and can also be provided with reinforcing anti-skid ribs or patterns to improve the firmness of the rod and strip, as well as the adhesion between the rod, rope and crawler and the ground. To reduce damage to the road surface, the reinforcing anti-skid ribs or patterns on the outer side of the strip can be rubber or plastic, and can be replaced after wear.

[0031] like Figure 2 As shown, in order to prevent the rod rope wrapped with the grooved rod rope wheel from sliding sideways and falling off, the driving wheel 1, the induction wheel 2, the road wheel 7 and the support wheel 8 are provided with a limiting structure for limiting the sliding direction of the rope. In this embodiment, the driving wheel 1, the induction wheel 2, the road wheel 7 and the support wheel 8 are mainly provided with rope grooves 10. The rope groove is a multi-groove structure with the same number of ropes; the rope groove cross-section is V-shaped and matches the size of the rope, and the center distance between adjacent rope grooves is the same as the center distance between adjacent ropes.

[0032] In the above-mentioned crawler walking mechanism based on the rod and rope crawler, the driving wheel 1 is connected to the driving motor. Under the drive of the driving motor, the driving wheel 1 rotates, driving the rod and rope crawler to circulate around the driving wheel, the induction wheel, the road wheel and the support wheel.

Claims

1. A crawler walking mechanism based on a rod and rope crawler, characterized in that: The invention comprises a driving wheel (1), an induction wheel (2) and a rod-rope crawler straddling the driving wheel (1) and the induction wheel (2); the rod-rope crawler comprises a plurality of ropes (3) arranged in parallel and a connecting assembly evenly arranged along the length direction of the ropes and fixing the ropes (3) together; the connecting assembly comprises a rod (4) and a pressure strip (5) arranged relative to the ropes (3), and the rod (4) and the pressure strip (5) are fixedly connected; and a plurality of rod grooves (6) are evenly arranged on the driving wheel (1) and the induction wheel (2) and mesh with the rod (4).

2. The crawler walking mechanism based on a rod and rope crawler according to claim 1 is characterized in that: The adjacent layering strips (5) are connected to each other.

3. The crawler walking mechanism based on a rod and rope crawler according to claim 1, characterized in that: It also includes one or more road wheels (7) meshing with the inner side of the lower layer of the rod and rope crawler, and / or one or more track-supporting wheels (8) meshing with the inner side of the upper layer of the rod and rope crawler; a plurality of rod grooves (6) meshing with the rod member (4) are evenly distributed on the road wheels (7) and / or the track-supporting wheels (8).

4. The crawler walking mechanism based on a rod and rope crawler according to claim 3 is characterized in that: The rod groove (6) comprises an arc bottom and two arc-shaped portions or linear portions respectively connected to the two ends of the arc bottom; the cross section of the arc bottom is an arc; the cross section of the arc portion is an arc, and the arc direction is opposite to that of the cross section of the arc bottom; the inner edge of the arc portion or the linear portion is smoothly connected to the arc bottom, and the outer edge thereof is smoothly connected to the circumferential surface of the driving wheel / inducing wheel / road wheel / supporting wheel; The cross section of the rod (4) is circular, and the rod (4) is adapted to the arc bottom of the rod groove; or the cross-sectional profile of the engagement portion of the rod (4) is the same as the cross-sectional profile of the rod groove.

5. The crawler walking mechanism based on a rod and rope crawler according to claim 3 or 4, characterized in that: The driving wheel (1), the induction wheel (2), the road wheel (7) and / or the support wheel (8) are provided with a limiting structure for limiting the sliding direction of the rope, or the rod (4) is provided with a limiting structure for limiting the sliding direction of the rope.

6. The crawler walking mechanism based on a rod and rope crawler according to claim 5, characterized in that: The limiting structure arranged on the driving wheel (1), the inducing wheel (2), the road wheel (7) or / and the supporting wheel (8) is a rope groove arranged on the driving wheel (1), the inducing wheel (2), the road wheel (7) or / and the supporting wheel (8).

7. The crawler walking mechanism based on a rod and rope crawler according to claim 6, characterized in that: The rope groove is a single groove accommodating all ropes, or a plurality of grooves having the same number as the ropes.

8. The crawler walking mechanism based on a rod and rope crawler according to claim 7, characterized in that: The cross section of the rope groove is semicircular, semicircular with cutouts, V-shaped or V-shaped with cutouts and matches the size of the rope, and the center distance between adjacent rope grooves is the same as the center distance between adjacent ropes.

9. The crawler walking mechanism based on a rod and rope crawler according to claim 5, characterized in that: The rod (4) and the pressure strip (5) are fixedly connected by a plurality of bolts arranged along the direction of the rod (4).

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