Special driving wheel for walking of crawler-type engineering machinery

Abstract

The utility model discloses a crawler-type engineering machinery walking special driving wheel which comprises a driving wheel body, teeth are evenly and fixedly installed on the periphery of the driving wheel body in a surrounding mode, tooth grooves making contact with a crawler belt are formed in the middles of the two sets of teeth, and telescopic connecting rods are fixedly installed in the tooth grooves. A dust baffle is fixedly mounted at the top end of the telescopic connecting rod, and a cavity fixedly mounted with the telescopic connecting rod is formed in the dust baffle; the dust baffle can move into the tooth groove by means of the telescopic connecting rod and the reset spring when the crawler belt is squeezed, contact between the crawler belt and the tooth groove is ingeniously adapted, interference to normal operation is avoided, when the crawler belt leaves, the reset spring can push the telescopic connecting rod to enable the dust baffle to return, and the dust blocking effect is continuously achieved. By means of the design, smooth matching of the driving wheel and the crawler belt can be guaranteed, dust can be effectively prevented from entering the tooth grooves, abrasion is reduced, the service life of the driving wheel is prolonged, and the overall performance of the crawler-type engineering machinery walking driving wheel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to caterpillar drive wheel technical field, concretely is a caterpillar engineering machinery walking special drive wheel. BACKGROUND

[0002] Caterpillar engineering machinery walking special drive wheel is the key component in caterpillar engineering machinery walking system, usually by drive wheel body, tooth, tooth groove etc. Part is composed, the wheel body generally adopts high strength alloy steel material, to bear huge torque and impact force, the tooth is evenly distributed in the wheel body periphery, with the tooth block on the caterpillar is engaged, and the tooth groove is used for accommodating the tooth block of caterpillar, guarantee the close cooperation between both.

[0003] But when caterpillar drive wheel works, some earth will attach some stone or metal block and enter inside side tooth groove, so when side tooth groove is engaged with caterpillar convex tooth again, then the stone or metal in side tooth groove will directly with caterpillar convex tooth hard contact, therefore will cause caterpillar convex tooth and side drive wheel tooth groove to be damaged, influence drive wheel and the service life of caterpillar convex tooth. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve but when caterpillar drive wheel works, some earth will attach some stone or metal block and enter inside side tooth groove, so when side tooth groove is engaged with caterpillar convex tooth again, then the stone or metal in side tooth groove will directly with caterpillar convex tooth hard contact, therefore will cause caterpillar convex tooth and side drive wheel tooth groove to be damaged, influence drive wheel and the service life of caterpillar convex tooth problem, provide a caterpillar engineering machinery walking special drive wheel.

[0005] To realize above-mentioned purpose, the utility model provides following technical scheme: a caterpillar engineering machinery walking special drive wheel, including drive wheel body, the drive wheel body periphery evenly surrounds and is fixedly installed tooth, and two groups of tooth middle are provided with tooth groove and are contacted with caterpillar, the tooth groove inside is fixedly installed with telescopic connecting rod, and telescopic connecting rod top end is fixedly installed with dust baffle, the dust baffle inside is provided with the cavity and is slidably connected with telescopic connecting rod, and telescopic connecting rod top end is fixedly installed with L type limit block, the cavity inside is slidably connected with L type limit fixed L type clamping block, the tooth groove inside and located telescopic connecting rod periphery are equipped with reset spring.

[0006] As the further scheme of the utility model: the dust baffle inside is provided with the air slot, and the air slot inside is slidably connected with sliding plate, one end of the sliding plate is fixedly installed with connecting rod, and one end of the connecting rod is fixedly installed through the air slot and L type clamping block, the air slot inside and located connecting rod outside are equipped with connecting spring.

[0007] As a further scheme of the utility model: the sliding groove is symmetrically arranged in the hollow groove, and the sliding plate is symmetrically fixed and installed with the sliding block matched with the sliding groove at both ends.

[0008] As a further scheme of the utility model: the side baffle is symmetrically and slidingly connected at both ends of the tooth groove.

[0009] As a further scheme of the utility model: the side baffle is symmetrically and slidingly connected at both ends of the tooth groove.

[0010] As a further scheme of the utility model: the side baffle is symmetrically and slidingly connected at both ends of the tooth groove.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, when the dust baffle is extruded by the track, it can move into the tooth groove by the telescopic connecting rod and the reset spring, and the track and the tooth groove are in contact, so that the normal operation is not disturbed, and when the track leaves, the reset spring restores the elasticity and pushes the telescopic connecting rod, so that the dust baffle returns to the original position, and the dust blocking effect is continuously exerted.

[0013] In the utility model, when the dust baffle and the telescopic connecting rod are installed, the sliding plate, the connecting rod and the L-shaped clamping block in the hollow groove are matched, the operation is simple, the installation can be quickly completed, the L-shaped limiting block and the L-shaped clamping block are limited, the connection is stable, the connecting spring in the hollow groove can maintain the limiting of the L-shaped clamping block without external force, the installation stability is ensured, the installation efficiency is improved, the structural connection reliability is enhanced, the equipment stable operation is provided with strong support, and the reset spring can be quickly replaced when it is worn out.

[0014] The clamping sliding groove is symmetrically arranged at both sides of the tooth groove, when the equipment is installed, only the clamping sliding groove on the side baffle is aligned with the tooth groove, and the installation can be completed by sliding along the direction of the tooth groove, the operation is very convenient, the dismounting pulling groove is arranged, so that the staff can easily dismount the side baffle from the tooth groove by pulling the dismounting pulling groove, the convenience of installation and dismounting is considered in the whole design, and the equipment maintenance efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 is the inner recess structure schematic view of the dust baffle in the utility model;

[0017] Figure 3 is the section structure schematic view of the driving wheel body in the utility model;

[0018] Figure 4 is the local enlarged structure schematic view of A in the utility model; Figure 3

[0019] Figure 5 is the local enlarged structure schematic view of B in the utility model. Figure 3

[0020] In the figure: 1, driving wheel body; 2, tooth; 3, tooth slot; 4, dust baffle; 5, telescopic connecting rod; 6, reset spring; 7, cavity; 8, L type limiting block; 9, L type clamping block; 10, empty slot; 11, sliding plate; 12, connecting rod; 13, connecting spring; 14, sliding block; 15, sliding slot; 16, side baffle; 17, dismounting pull groove; 18, clamping sliding slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] ​​In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments will be described below according to the overall structure of the utility model.

[0023] Referring to Figures 1 to 5 In the utility model embodiment, a driving wheel special for walking of track type engineering machinery, including driving wheel body 1, the driving wheel body 1 periphery even around fixed installation has tooth 2, and two groups of tooth 2 middle part is provided with the tooth groove 3 contacted with track, tooth groove 3 inside fixed installation has telescopic connecting rod 5, and telescopic connecting rod 5 top end fixed installation has dust baffle 4, dust baffle 4 inside is provided with the cavity 7 slidably connected with telescopic connecting rod 5, and telescopic connecting rod 5 top end symmetrical fixed installation has L type limit block 8, the cavity 7 inside slidably connected with L type limit block 8 fixed L type clamping block 9, tooth groove 3 inside and located telescopic connecting rod 5 periphery is provided with reset spring 6, dust baffle 4 inside is provided with the empty slot 10, and the empty slot 10 inside slidably connected with sliding plate 11, and one end fixed installation has connecting rod 12, and connecting rod 12 one end penetrates empty slot 10 and is fixedly installed with L type clamping block 9, and the empty slot 10 inside and located connecting rod 12 outside is provided with connecting spring 13.

[0024] Adopt the above scheme: the drive wheel body 1 and the gear tooth 2 are made of high-strength alloy steel material, which ensures the durability under complex working conditions, the gear slot 3 is arranged in the middle of the two groups of gear teeth 2, which is the standard shape matched with the track, the telescopic connecting rod 5 in the gear slot 3 is made of stainless steel, the dust baffle 4 is made of aluminum alloy material, the internal cavity 7 is precisely processed, the L-shaped limiting block 8 is integrally formed with the telescopic connecting rod 5, the L-shaped clamping block 9 is made of wear-resistant copper alloy, which smoothly slides in the cavity 7 and is accurately limited and fixed with the L-shaped limiting block 8, the reset spring 6 is made of high-elasticity spring steel, which is sleeved on the outer periphery of the telescopic connecting rod 5 and abuts against the inside of the gear slot 3 and the bottom end of the dust baffle 4, when it needs to be replaced, only the dust baffle 4 needs to be disassembled, and the sleeved reset spring 6 can be taken out and replaced, the sliding plate 11 made of engineering plastic material is fixed with the connecting rod 12 through screws in the air slot 10 in the dust baffle 4, the connecting rod 12 penetrates the air slot 10 and is connected with the L-shaped clamping block 9, and the connecting spring 13 is made of carbon steel material to ensure the stability of the structure, and the sliding plate 11 is in the same horizontal plane with the outside of the dust baffle 4 without being in the stressed state.

[0025] With reference to Figures 1 to 5 , the sliding groove 15 for the sliding plate 11 to slide is arranged in the air slot 10, and the sliding grooves 15 are symmetrically arranged in the air slot 10, and the sliding blocks 14 matched with the sliding grooves 15 are symmetrically fixed and installed at both ends of the sliding plate 11.

[0026] Adopt the above scheme: the air slot 10 is made of aluminum alloy material, the symmetrical sliding grooves 15 are arranged in the inside, and the groove wall is finely polished to ensure smoothness, the sliding plate 11 is made of high-strength engineering plastic, which has good wear resistance and lightness, and the sliding blocks 14 perfectly matched with the sliding grooves 15 are symmetrically fixed and installed at both ends of the sliding plate 11 through precise injection molding process, the sliding blocks 14 are also made of engineering plastic material, and when installed, the sliding blocks 14 are accurately embedded in the sliding grooves 15, and the two are tightly matched, so that the sliding plate 11 can stably and smoothly slide in the air slot 10, and the normal operation of the related structure is ensured.

[0027] With reference to Figures 1 to 5 , the side baffle 16 is slidingly connected to one side of the gear slot 3 inside the dust baffle 4, and the side baffles 16 are symmetrically slidingly connected to both ends of the gear slot 3, the end of the side baffle 16 is provided with a clamping sliding groove 18 slidingly connected with the gear slot 3, and the clamping sliding grooves 18 are symmetrically arranged on both sides of the gear slot 3, and the end of the side baffle 16 is provided with a dismounting pull groove 17 for dismounting by workers;

[0028] Adopt the above scheme: the tooth groove 3 is made of solid alloy steel, the surface is hardened, the wear resistance is enhanced, the side baffle 16 adopts aluminum alloy material, it is light and corrosion resistant, the clamping sliding groove 18 is opened at one end, is formed through precision milling, when installing, the clamping sliding groove 18 on the side baffle 16 is aligned with the corresponding structure of both sides in the tooth groove 3, which is also formed by milling process, then gently push, so that the side baffle 16 can smoothly slide along the direction of the tooth groove 3, and be accurately clamped into both ends of the tooth groove 3, realize the close and stable sliding clamping, the dismounting pull groove 17 at one end of the side baffle 16 is designed to be the shape that is convenient for staff to grasp, the edge is treated by chamfering to prevent scratching, by pulling the dismounting pull groove 17, the side baffle 16 can be easily dismounted from the tooth groove 3, greatly improve the convenience of equipment maintenance.

[0029] The working principle of the utility model is: when the track contacts with the tooth groove 3 of the driving wheel, the dust baffle 4 will be extruded by the track, because the tooth groove 3 is fixedly installed with the telescopic connecting rod 5, the telescopic connecting rod 5 is sleeved with the reset spring 6, when being extruded, the telescopic connecting rod 5 will shrink, the reset spring 6 is compressed, at this time, the dust baffle 4 will move to the inside of the tooth groove 3 to adapt to the contact of the track and the tooth groove 3, when the track leaves the tooth groove 3, the reset spring 6 will restore the elastic deformation, push the telescopic connecting rod 5 to stretch, so that the dust baffle 4 returns to the initial position, and continues to play the role of blocking dust into the tooth groove 3, when installing, the sliding plate 11 in the dust baffle 4 inside the air slot 10 can be operated, the sliding plate 11 is connected with the L-shaped clamping block 9 through the connecting rod 12, pressing the sliding plate 11 can drive the L-shaped clamping block 9 to slide in the cavity 7, when the L-shaped clamping block 9 slides to the appropriate position, then the telescopic connecting rod 5 is inserted into the cavity 7, then the sliding plate 11 is loosened, the sliding plate 11 can reset the sliding plate 11 through the connecting spring 13 inside the air slot 10, and then drive the L-shaped clamping block 9 to slide to the limiting slot in the L-shaped limiting block 8 to complete the limiting fixing, so as to realize the installation of the dust baffle 4 and the telescopic connecting rod 5, in addition, the connecting spring 13 is sleeved outside the connecting rod 12 in the air slot 10, which can keep the L-shaped clamping block 9 in the limiting state with the L-shaped limiting block 8 without external force, to ensure the stability of installation, when installing the side baffle 16, only need to align the clamping sliding groove 18 on the side baffle 16 with both sides in the tooth groove 3, then slide the side baffle 16 along the direction of the tooth groove 3, so that it is smoothly clamped into the tooth groove 3, to realize the installation of the side baffle 16 and the tooth groove 3, the dismounting pull groove 17 opened at one end of the side baffle 16, when needed, the staff can pull the dismounting pull groove 17 to dismount the side baffle 16 from the tooth groove 3.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A special drive wheel for tracked engineering machinery, comprising a drive wheel body (1), wherein teeth (2) are uniformly and fixedly installed around the outer periphery of the drive wheel body (1), and a tooth groove (3) is provided in the middle of two sets of teeth (2) to contact the track, characterized in that, A telescopic connecting rod (5) is fixedly installed inside the tooth groove (3), and a dust baffle (4) is fixedly installed at the top of the telescopic connecting rod (5). A cavity (7) is opened inside the dust baffle (4) and is slidably connected to the telescopic connecting rod (5). An L-shaped limiting block (8) is symmetrically fixedly installed at the top of the telescopic connecting rod (5). An L-shaped locking block (9) is slidably connected inside the cavity (7) and is limited and fixed to the L-shaped limiting block (8). A reset spring (6) is sleeved inside the tooth groove (3) and located on the outer periphery of the telescopic connecting rod (5).

2. The special drive wheel for tracked engineering machinery according to claim 1, characterized in that, The dust baffle (4) has a slot (10) inside, and a sliding plate (11) is slidably connected inside the slot (10). A connecting rod (12) is fixedly installed at one end of the sliding plate (11), and one end of the connecting rod (12) passes through the slot (10) and is fixedly installed with the L-shaped card block (9). A connecting spring (13) is sleeved inside the slot (10) and outside the connecting rod (12).

3. The special drive wheel for tracked engineering machinery according to claim 2, characterized in that, The hollow groove (10) is provided with a sliding groove (15) for the sliding plate (11) to slide, and the sliding groove (15) is symmetrically opened inside the hollow groove (10). The sliding plate (11) is symmetrically fixed at both ends with sliding blocks (14) that are compatible with the sliding groove (15).

4. The special drive wheel for tracked engineering machinery according to claim 1, characterized in that, A side baffle (16) is slidably engaged inside the tooth groove (3) and on one side of the dust baffle (4), and the side baffle (16) is symmetrically engaged at both ends of the tooth groove (3).

5. A special drive wheel for tracked engineering machinery according to claim 4, characterized in that, The side baffle (16) has a snap-fit ​​groove (18) at one end that is slidably engaged with the tooth groove (3), and the snap-fit ​​groove (18) is symmetrically opened on both sides inside the tooth groove (3).

6. A special drive wheel for tracked engineering machinery according to claim 5, characterized in that, The side panel (16) has a disassembly groove (17) at one end for workers to disassemble.

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