CN217575422U

CN217575422U - Split type thrust wheel

Info

Publication number: CN217575422U
Application number: CN202221749524.7U
Authority: CN
Inventors: 吴国喜; 徐公强; 韦庆秀; 张加霖; 张怀强; 廉明辉; 李勇; 吴井傲
Original assignee: Jining Jinniu Heavy Industry Co ltd
Current assignee: Jining Jinniu Heavy Industry Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-10-14
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a split type thrust wheel, including wheel body, movable sleeve and fixed plate, spout one is seted up to the both ends symmetry of wheel body, and recess one is seted up to the bilateral symmetry of spout one end, and fixed block fixed connection is at the middle part on wheel body surface, and the constant head tank is seted up to the end symmetry at fixed block both ends simultaneously, the movable sleeve passes through a slider sliding connection at the wheel body surface, and a slider sliding connection is in spout one, and the fixed surface of movable sleeve connects the wearing layer, and the mounting plate passes through a bolt fixed connection on the surface of fixed block, and a mounting plate fixed connection's stopper sliding connection is in spout two, the fixed plate passes through two fixed connection of bolt at the terminal surface of wheel body, and the fixed position of the relative spout of fixed plate connects stopper two. This split type thrust wheel through convenient change movable sleeve and wearing layer to avoid changing the problem of whole thrust wheel, reduce the cost of changing the thrust wheel.

Description

Split type thrust wheel

Technical Field

The utility model relates to an excavator spare part technical field specifically is a split type thrust wheel.

Background

The excavator thrust wheel is used for bearing the weight of excavator, and the thrust wheel is called the bearing wheel again, mainly comprises wheel body, shaft, axle bed and sealing member, and the sealing member is installed and is played sealed effect between wheel body and the shaft, prevents that impurity or water from getting into between wheel body and the shaft, and wheel body surface intermediate position has sunkenly, and the sunken both sides in wheel body surface contact with the chain piece of track inner wall, and it is great with the contact site wearing and tearing of chain piece at wheel body surface, after using a period, need change the thrust wheel.

Through retrieval, the patent with the publication number of CN211642399U discloses a thrust wheel with high sealing performance, which proposes that "through arranging a shaft sleeve, the outer wall of the shaft sleeve is in interference fit with a thrust wheel shell, the inner wall of the shaft sleeve is in intermittent fit with a thrust wheel shaft, so that the rotation of the thrust wheel is more convenient, when the thrust wheel is installed, the shaft sleeve is firstly inserted into the thrust wheel shell, the thrust wheel shaft penetrates through the shaft sleeve and the thrust wheel shell, then a first side cover is installed, a sealing ring is installed on one side of a fixed block through a groove formed in the sealing ring, the first side cover is sleeved at two ends of the thrust wheel shaft, the first side cover is screwed into the thrust wheel shell, and at the moment, the fixed block is inserted into the thrust wheel shell"; this patent utilizes the elasticity extrusion sealing washer of spring for the sealing washer produces deformation, has reduced the gap of thrust wheel axle and thrust wheel casing, has increased the leakproofness of thrust wheel axle and thrust wheel casing junction, but thrust wheel casing formula structure as an organic whole in this patent, when changing the thrust wheel, needs to change whole thrust wheel casing, thereby leads to the replacement cost of thrust wheel higher, and the replacement process is comparatively loaded down with trivial details moreover.

Therefore, we improve this and propose a split type thrust wheel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type thrust wheel to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a split type thrust wheel, includes wheel body, movable sleeve and fixed plate, spout one is seted up to the both ends symmetry of wheel body, and the bilateral symmetry of spout one end sets up recess one, and fixed block fixed connection sets up the constant head tank at the middle part on wheel body surface, and the end symmetry at fixed block both ends sets up the constant head tank simultaneously, and two intercommunication constant head tanks of spout are passed through to the both sides on fixed block surface, the movable sleeve passes through a slider sliding connection at the wheel body surface, and slider sliding connection is in spout one, and the fixed surface of movable sleeve connects the wearing layer, and the mounting plate passes through bolt fixed connection on the surface of fixed block, and mounting plate fixed connection's one stopper sliding connection of mounting plate passes through bolt fixed connection in the constant head tank, and the one end fixed connection locating piece that the movable sleeve is close to the fixed block simultaneously passes through stopper one fixed connection in the constant head tank, the fixed plate passes through bolt two fixed connection in the terminal surface of fixed plate relative spout one, and the two stopper of the bilateral symmetry connection lugs of stopper simultaneously, and the lug is connected in recess one, and the wheel body, and stopper two pass through lug fixed connection in spout one.

Preferably, the two ends of the outer arc surface of the wheel body are respectively provided with eight groups of first sliding grooves at equal intervals in a surrounding manner, the cross sections of the first sliding grooves are of a dovetail structure, meanwhile, the ends, far away from the fixed block, of the first sliding grooves are symmetrically provided with first grooves, and the cross sections of the first grooves are of a fan-shaped structure.

Preferably, the middle part of the outer arc surface of the wheel body is fixedly connected with a fixed block, the fixed block is of a circular ring structure, the positions of two ends of the fixed block, relative to the first sliding groove, are correspondingly provided with positioning grooves, the positioning grooves are of a rectangular structure, and meanwhile, the cross section formed by combining the positioning grooves and the sliding grooves is of an L-shaped structure.

Preferably, four groups of first screw connecting grooves are formed in two sides of the fixed block respectively, the four groups of screw connecting grooves on the same side of the fixed block are combined together to form a cross-shaped distribution, the thickness of the fixed block is smaller than that of the movable sleeve, and the four groups of screw connecting grooves formed in the same end face of the wheel body are combined together to form a cross-shaped distribution.

Preferably, the fastening piece is the rectangle structure, and the fastening piece adopts the metal material, and the one end fixed connection buckle of fastening piece, and the draw-in groove is seted up to the other end of fastening piece, and the fastening piece passes through buckle connecting groove and constitutes circular structure, and the both ends of the interior arc surface of fastening piece encircle eight fixed connection group's of equidistant fixed connection stopper one respectively simultaneously, and stopper one is square structure.

Preferably, the movable sleeve is fixedly connected with the positioning block at a position corresponding to the positioning groove, the positioning block is of a concave structure, the groove of the positioning block is matched with the first limiting block in size, and meanwhile, the wheel body and the fixing block are combined together to form a cross-shaped structure in section.

Preferably, the fixed plate is of a circular ring structure, the position of the first relative sliding groove of the fixed plate is correspondingly connected with a second limiting block, the second limiting block is of a dovetail-shaped structure, the two sides of the second limiting block are fixedly connected with the lug in a position of the first relative groove, the cross section of the lug is of a fan-shaped structure, and meanwhile, the lug and the first groove are in interference fit.

Compared with the prior art, the beneficial effects of the utility model are that: this split type thrust wheel through the cooperation of slider one, locating piece, stopper one and stopper two for the movable sleeve can fixed connection at the both ends of wheel body, and through the cooperation of locating piece, constant head tank, fixed block, slider one and spout one, can effectively strengthen the connection effect of movable sleeve and wheel body, when guaranteeing that the connection of movable sleeve and wheel body is stable, can dismantle the movable sleeve and can simplify the change process of thrust wheel, and reduce the replacement cost of thrust wheel.

Drawings

FIG. 1 is a schematic view of the front view of the structure of the present invention;

FIG. 2 is a schematic side view of the structural wheel body of the present invention;

FIG. 3 is a front view of the fastening plate of the present invention;

fig. 4 is an enlarged schematic view of a point a in the structure diagram of the present invention 1.

In the figure: 1. a wheel body; 2. a fixed block; 3. a fastening tab; 4. a first limiting block; 5. positioning a block; 6. a movable sleeve; 7. a wear layer; 8. a fixing plate; 9. a second limiting block; 10. a first sliding block; 11. a first sliding chute; 12. positioning a groove; 13. a second chute; 14. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a split type thrust wheel comprises a wheel body 1, a movable sleeve 6 and a fixed plate 8, wherein the two ends of the outer arc surface of the wheel body 1 are respectively provided with eight groups of first sliding grooves 11 at equal intervals in a surrounding mode, the cross sections of the first sliding grooves 11 are in a dovetail structure, meanwhile, one ends, far away from a fixed block 2, of the first sliding grooves 11 are symmetrically provided with first grooves, and the cross sections of the first grooves are in a fan-shaped structure; the middle part of the outer arc surface of the wheel body 1 is fixedly connected with a fixed block 2, the fixed block 2 is of a circular structure, positioning grooves 12 are correspondingly formed in the positions, opposite to the first sliding groove 11, of the two ends of the fixed block 2, the positioning grooves 12 are of a rectangular structure, the two sides of the surface of the fixed block 2 are communicated with the positioning grooves 12 through a second sliding groove 13, and meanwhile the cross section formed by combining the positioning grooves 12 and the second sliding groove 13 is of an L-shaped structure; the movable sleeve 6 is connected to the surface of the wheel body 1 in a sliding mode through a first sliding block 10, the first sliding block 10 is connected into a first sliding groove 11 in a sliding mode, the surface of the movable sleeve 6 is fixedly connected with a wear-resistant layer 7, four groups of first screw connecting grooves are formed in two sides of the fixed block 2 respectively, the four groups of first screw connecting grooves in the same side of the fixed block 2 are combined together to form cross-shaped distribution, the thickness of the fixed block 2 is smaller than that of the movable sleeve 6, and meanwhile the four groups of screw connecting grooves formed in the same end face of the wheel body 1 are combined together to form cross-shaped distribution; the fastening piece 3 is fixedly connected to the surface of the fixing block 2 through a first bolt, the fastening piece 3 is of a rectangular structure, the fastening piece 3 is made of metal, one end of the fastening piece 3 is fixedly connected with a buckle, the other end of the fastening piece 3 is provided with a clamping groove, the fastening piece 3 is connected with the clamping groove through the buckle to form a circular structure, meanwhile, two ends of an inner arc surface of the fastening piece 3 are respectively and fixedly connected with eight groups of first limiting blocks 4 at equal intervals in a surrounding mode, and the first limiting blocks 4 are of a square structure; a limiting block I4 fixedly connected with the fastening piece 3 is connected in a sliding groove II 13 in a sliding manner, a positioning block 5 is fixedly connected at the position of the movable sleeve 6 relative to the positioning groove 12, the positioning block 5 is of a concave structure, the groove of the positioning block 5 is matched with the size of the limiting block I4, and meanwhile, the wheel body 1 and the fixing block 2 are combined together to form a cross-shaped section; the positioning block 5 is fixedly connected in the positioning groove 12 through the first limiting block 4, the fixed plate 8 is fixedly connected to the end face of the wheel body 1 through the second bolt, the fixed plate 8 is of a circular structure, the position of the fixed plate 8 relative to the first sliding groove 11 is correspondingly connected with the second limiting block 9, the second limiting block 9 is of a dovetail structure, the positions of two sides of the second limiting block 9 relative to the first groove are fixedly connected with the convex block 14, the cross section of the convex block 14 is of a fan-shaped structure, and meanwhile, the convex block 14 and the first groove are in interference fit; the second limiting block 9 is fixedly connected in the first sliding groove 11 through a bump 14.

As shown in fig. 1 and 3, the mounting plate 3 carries out preliminary fixed connection through buckle and draw-in groove, and then be convenient for stopper one 4 imbeds in spout two 13 for locating piece 5 can fixed connection in constant head tank 12, thereby ensure the stable connection at the both ends of wheel body 1 of movable sleeve 6, and the mounting plate 3 is through four group bolt fixed connection 2 surfaces of fixed block simultaneously, further ensure to connect stably between stopper one 4 and the locating piece 5.

As shown in fig. 1 and 4, the second limiting block 9 is fixedly connected in the first sliding groove 11 through interference fit between the first protruding block 14 and the first groove, then the first sliding block 10 is fixedly connected in the first sliding groove 11 to fix the wheel body 1 and the movable sleeve 6 for the second time, so that the connection effect of the wheel body 1 and the movable sleeve 6 is further enhanced, and meanwhile, the fixing plate 8 is fixedly connected to the end surface of the wheel body 1 through the four groups of bolts, so that the second limiting block 9 is prevented from being accidentally separated from the first sliding groove 11.

The working principle is as follows: when the split type thrust wheel is used, the wear-resistant layer 7 on the movable sleeve 6 is in contact with a chain piece of a crawler belt, after the split type thrust wheel is used for a period of time and needs to be replaced, the thrust wheel is detached from a crawler frame, the bolt II is detached firstly, the limiting block II 9 is detached from the sliding groove I11 through the fixing plate 8, then the fixing plate 8 and the limiting block II 9 are completely detached, the limiting block I10 is removed from the limiting block II 9, the bolt I is detached, the buckle of the fastening piece 3 is separated from the clamping groove, the limiting block I4 is taken out through the fastening piece 3, when the limiting block I4 is separated from the sliding groove II 13 formed in the fixing block 2, the limiting block I4 removes the limiting block 5, after the limiting block 5 and the sliding block I10 are removed, the movable sleeve 6 can be separated from the two ends of the wheel body 1, the old movable sleeve 6 is removed, the new movable sleeve 6 is replaced, the movable sleeve 6 is fixed at the two ends of the wheel body 1 again, and then the thrust wheel can be mounted on the crawler frame again; this is the whole process of the split thrust wheel.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a split type thrust wheel, includes wheel body (1), movable sleeve (6) and fixed plate (8), its characterized in that: the two ends of the wheel body (1) are symmetrically provided with a first sliding groove (11), the two sides of one end of the first sliding groove (11) are symmetrically provided with a first groove, the fixed block (2) is fixedly connected to the middle part of the surface of the wheel body (1), the two ends of the fixed block (2) are symmetrically provided with a first positioning groove (12), the two sides of the surface of the fixed block (2) are communicated with the positioning grooves (12) through a second sliding groove (13), the movable sleeve (6) is slidably connected to the surface of the wheel body (1) through a first sliding block (10), the first sliding block (10) is slidably connected to the first sliding groove (11), the surface of the movable sleeve (6) is fixedly connected with the wear-resistant layer (7), the fastening sheet (3) is fixedly connected to the surface of the fixed block (2) through a first bolt, the first positioning block (4) fixedly connected to the fastening sheet (3) is slidably connected to the second sliding groove (13), the movable sleeve (6) is fixedly connected to the positioning block (5) close to one end of the fixed block (2), the positioning block (5) is fixedly connected to the two sides of the fixed block (4), the fixed block (8) is fixedly connected to the positioning groove (12) through the two sides of the fixed block (9), the fixed block (9) is connected to the fixed block (9), the convex block (14) is connected in the first groove, and the second limiting block (9) is fixedly connected in the first sliding groove (11) through the convex block (14).

2. The split bogie wheel of claim 1, wherein: the two ends of the outer arc surface of the wheel body (1) are respectively provided with eight groups of first sliding grooves (11) in a surrounding mode at equal intervals, the sections of the first sliding grooves (11) are of a dovetail structure, meanwhile, one ends, far away from the fixed block (2), of the first sliding grooves (11) are symmetrically provided with first grooves, and the sections of the first grooves are of fan-shaped structures.

3. The split bogie wheel of claim 1, wherein: the middle of the outer arc surface of the wheel body (1) is fixedly connected with a fixing block (2), the fixing block (2) is of a circular ring structure, positioning grooves (12) are correspondingly formed in the positions, opposite to the first sliding grooves (11), of the two ends of the fixing block (2), the positioning grooves (12) are of a rectangular structure, and meanwhile the cross section formed by combining the positioning grooves (12) and the second sliding grooves (13) is of an L-shaped structure.

4. The split bogie wheel of claim 1, wherein: four groups of first screw connecting grooves are respectively formed in two sides of the fixed block (2), the four groups of screw connecting grooves on the same side of the fixed block (2) are combined together to form a cross-shaped distribution, the thickness of the fixed block (2) is smaller than that of the movable sleeve (6), and meanwhile, the four groups of screw connecting grooves formed in the same end face of the wheel body (1) are combined together to form a cross-shaped distribution.

5. The split bogie wheel of claim 1, wherein: fastening piece (3) are rectangle structure, and fastening piece (3) adopt the metal material, and the one end fixed connection buckle of fastening piece (3), and the draw-in groove is seted up to the other end of fastening piece (3), and fastening piece (3) connect the draw-in groove through the buckle and constitute circular structure, and the both ends of circle cambered surface encircle eight fixed connection of equidistant spacing piece (4) respectively in fastening piece (3) simultaneously, and stopper (4) are square structure.

6. The split bogie wheel of claim 1, wherein: the position fixed connection locating piece (5) of activity cover (6) relative constant head tank (12), locating piece (5) are the spill structure, and the size looks adaptation of the recess of locating piece (5) and stopper (4), and the cross-section that wheel body (1) and fixed block (2) combination constitute together is the cruciform structure simultaneously.

7. The split bogie wheel of claim 1, wherein: fixed plate (8) are the ring structure, and the position of the relative spout one (11) of fixed plate (8) corresponds and connects stopper two (9), and stopper two (9) are the dovetail structure, and the relative recess one's in stopper two (9) both sides position fixed connection lug (14), and the cross-section of lug (14) is fan-shaped structure, is interference fit between lug (14) and the recess one simultaneously.