CN218408371U

CN218408371U - Dead guide wheel of anti-sticking

Info

Publication number: CN218408371U
Application number: CN202222877949.2U
Authority: CN
Inventors: 秦贞清; 文忠绘
Original assignee: Jining Ningrun Wenzheng Forging Co ltd
Current assignee: Jining Ningrun Wenzheng Forging Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a dig dead guide wheel of quick-witted guide wheel technical field of anti-sticking, including the connecting seat, the tip rotates before the connecting seat and is connected with the round pin axle, round pin axle middle part fixed mounting has the guide wheel, the guide wheel left and right sides is equipped with second limiting plate and first limiting plate respectively, the guide wheel top is equipped with the mount pad of fixed mounting on digging quick-witted equipment, mount pad upper end fixed mounting has the backup pad, middle part activity is pegged graft in the backup pad has the joint piece, joint piece top is equipped with the second nut, the inside rotation axis that has through threaded connection of second nut, the fixed gear that has cup jointed in the middle part of the axis of rotation, both sides have meshed first rack and second rack respectively around the gear, first rack and second rack are fixed mounting in first limiting plate and second limiting plate respectively. This application can effectively avoid the dead condition of guide wheel card to take place, has ensured the transmission stability of guide wheel, and sets up through the centering, can reduce the emergence of accident, has improved the safety in utilization of digging the machine.

Description

Dead guide wheel of anti-sticking

Technical Field

The utility model relates to a dig quick-witted guide wheel technical field, specifically be a dead guide wheel of anti-sticking.

Background

An excavator, also called a digger, excavates materials higher than or lower than a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockpiling site, the materials excavated by the excavator of the earth moving machinery mainly comprise soil, coal, silt and soil and rock after pre-loosening, and from the development of engineering machinery in recent years, the development of the excavator is relatively fast, the excavator becomes one of the most important engineering machinery in engineering construction, and the excavator has three most important parameters: operating weight, engine power and bucket capacity, the leading wheels of an excavator are important components of an excavator.

When the existing guide wheel of the excavator works under severe conditions, hard foreign objects such as hard stone blocks, iron blocks and the like easily fall into the connecting part of the guide wheel from the upper part, so that the positions of the guide wheel and a chain are staggered, the conditions of loosening and falling of the chain, blocking of the guide wheel and the like are easily caused, and the use stability and the use safety of the excavator are affected. In this regard, an anti-jamming guide wheel is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-sticking is dead guide wheel to when solving the current guide wheel of digging machine that proposes in the above-mentioned background art operation under adverse conditions, such as stereoplasm foreign matters such as stereoplasm stone, iron plate fall into the guide wheel junction from upper portion very easily, and lead to guide wheel and chain to produce the position and stagger mutually, produce easily that the chain is not hard up, drop and the guide wheel card condition such as dead takes place, influenced the problem of the stability in use and the safety in utilization of digging machine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-sticking is dead guide wheel, includes the connecting seat, the tip rotates before the connecting seat and is connected with round pin axle, round pin axle middle part fixed mounting has the guide wheel, the guide wheel left and right sides is equipped with second limiting plate and first limiting plate respectively, the guide wheel top is equipped with the mount pad of fixed mounting on the excavator equipment, both ends symmetry department is equipped with the draw-in groove that is used for second limiting plate and first limiting plate joint about the mount pad, mount pad upper end fixed mounting has the backup pad, the activity of middle part is pegged graft in the backup pad and is had the joint piece, joint piece top is equipped with the second nut, there is the axis of rotation inside through threaded connection of second nut, the fixed coupling in axis of rotation middle part has the gear, both sides have meshed first rack and second rack respectively around the gear, first rack and second rack fixed mounting are respectively in first limiting plate and second limiting plate, the mount pad below is equipped with the guide seat, the guiding groove has been seted up on the guide seat, the guide seat activity is cup jointed in the axis of rotation, just the guide seat below is equipped with first nut.

Preferably, the first nut is arranged below the second nut, and the centers of the first nut and the second nut are collinear.

Preferably, the joint block is arranged above the gear, the joint block is movably sleeved on the rotating shaft, and the gear is fixedly sleeved on the rotating shaft.

Preferably, the first rack and the second rack are parallel to each other, and the first rack and the second rack are both arranged inside the support plate.

Preferably, the pin shaft is arranged below the rotating shaft and is perpendicular to the central line of the rotating shaft.

Preferably, the rotating shaft and the supporting plate are both provided with clamping grooves used for clamping the clamping blocks.

Preferably, the guide seat is arranged below the support plate, and the support plate is fixedly installed on the installation seat through a bolt.

Preferably, the rotating shaft is rotatably connected with the mounting seat, and the rotating shaft is arranged in the middle of the mounting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the anti-jamming guide wheel, the rotating shaft is rotated to drive the gear arranged on the rotating shaft to rotate, and the first rack and the second rack move inwards or outwards simultaneously in the gear rotating process through the meshing action of the gear and the rack, so that an outside-to-inside acting force can be provided for the connecting seat according to needs; on the other hand, through the centering operation, can be so that guiding groove and guide wheel centering, avoid the position in the transmission process to be wrong mutually, and lead to guide wheel and chain to stagger, cause the chain to drop, perhaps the dead condition of guide wheel card takes place, has ensured the transmission stability of guide wheel, and through the centering setting, can reduce the emergence of accident, has improved the safety in utilization of digging the machine.

Drawings

Fig. 1 is a schematic view of a first viewing angle of the present invention;

fig. 2 is a schematic view of a second viewing angle of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a connecting seat; 2. a pin shaft; 3. a mounting base; 4. a first limit plate; 5. a second limiting plate; 6. a rotating shaft; 7. a first nut; 8. a guide wheel; 9. a guide seat; 10. a guide groove; 11. a first rack; 12. a second rack; 13. a support plate; 14. a second nut; 15. a clamping block; 16. a gear.

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.

Example (b): referring to fig. 1-4, the present invention provides a technical solution of an anti-jamming guiding wheel: the utility model provides an anti-sticking dead leading wheel, this application mainly to current dig quick-witted leading wheel of digging when operation under adverse conditions, such as stereoplasm foreign matter such as stereoplasm stone, iron plate fall into the leading wheel junction from upper portion very easily, and lead to leading wheel and chain to produce the position and stagger mutually, produce the chain easily and become flexible, drop and leading wheel card condition such as dead takes place, the problem that has influenced the stability in use and the safety in utilization of digging machine improves, its concrete scheme is as follows: including connecting seat 1, wherein, connecting seat 1 is used for being connected with the whole equipment of machine of digging, and the tip rotates before connecting seat 1 to be connected with round pin axle 2, has guide wheel 8 at 2 middle part fixed mounting of round pin axle, the 2 left and right sides of round pin axle are equipped with the ladder groove that is used for 1 joint of connecting seat, and the 8 left and right sides of guide wheel are equipped with second limiting plate 5 and first limiting plate 4 respectively, and wherein, the 1 outside of connecting seat is located to second limiting plate 5 and first limiting plate 4. Through the setting of second limiting plate 5 and first limiting plate 4, can make connecting seat 1 can stabilize the joint in the ladder groove department of round pin axle 2, further improved the stability of being connected of round pin axle 2 with connecting seat 1.

Referring to fig. 1 and 2, an installation seat 3 fixedly installed on the excavator equipment is arranged above the guide wheel 8, the installation seat 3 is horizontally arranged, clamping grooves for clamping the second limiting plate 5 and the first limiting plate 4 are symmetrically arranged at the left end and the right end of the installation seat 3, and the positions of the first limiting plate 5 and the second limiting plate 4 can be limited by arranging the clamping grooves on the installation seat 3, so that the first limiting plate 5 and the second limiting plate 4 can move along a specific track.

Further, a support plate 13 is fixedly mounted at the upper end of the mounting seat 3, wherein the support plate 13 is used for supporting the component. The middle part activity is pegged graft in backup pad 13 and is had joint piece 15, is equipped with second nut 14 above joint piece 15, and second nut 14 is inside to have axis of rotation 6 through threaded connection, through the setting of second nut 14, can be to the position restriction of joint piece 15 in axis of rotation 6. Wherein, axis of rotation 6 rotates with mount pad 3 to be connected, and axis of rotation 6 locates the middle part of mount pad 3. The pin shaft 2 is arranged below the rotating shaft 6, and the pin shaft 2 is perpendicular to the central line of the rotating shaft 6. The rotating shaft 6 and the supporting plate 13 are both provided with clamping grooves for clamping the clamping blocks 15. After the clamping block 15 is inserted into the clamping groove on the supporting plate 13, the rotating shaft 6 cannot rotate at the moment, and the clamping block 15 can play a role in limiting the rotating shaft 6 to rotate continuously; and when upwards sliding joint piece 15 on axis of rotation 6, this moment, joint piece 15 breaks away from the draw-in groove restriction in backup pad 13, and operation joint piece 15 rotates, alright rotate with driving axis of rotation 6, through the setting of joint piece 15, can play the rotation restriction to axis of rotation 6 as required according to the regulation.

Furthermore, the middle of the rotating shaft 6 is fixedly sleeved with a gear 16, the clamping block 15 is arranged above the gear 16, the clamping block 15 is movably sleeved on the rotating shaft 6, and the gear 16 is fixedly sleeved on the rotating shaft 6. The front side and the rear side of the gear 16 are respectively engaged with a first rack 11 and a second rack 12, the first rack 11 and the second rack 12 are parallel to each other, and the first rack 11 and the second rack 12 are both arranged in the support plate 13. The first rack 11 and the second rack 12 are fixedly installed on the first limiting plate 4 and the second limiting plate 5 respectively, the guide seat 9 is arranged below the installation seat 3, the guide groove 10 is formed in the guide seat 9, and when the driving rotating shaft 6 rotates, the first rack 11 and the second rack 12 move inwards or outwards simultaneously through the meshing action of the gear and the rack, so that an outside-in acting force can be provided for the connecting seat 1 as required, on one hand, the guide wheel 8 can be positioned in the middle of the connecting seat 1, the centering effect is achieved, and meanwhile, the connecting seat 1 and the guide wheel 8 can be connected more stably; on the other hand, through centering operation, can be so that guiding groove 10 and guide wheel 8 centering, avoid the position in the transmission process to stagger mutually, and lead to guide wheel 8 and chain to stagger, cause the chain to drop, perhaps guide wheel 8 card dead condition takes place, has ensured guide wheel 8's transmission stability.

In this embodiment, the guide seat 9 is movably sleeved on the rotating shaft 6, and the first nut 7 is disposed below the guide seat 9. The first nut 7 can serve to locate the guide seat 9 below the support plate 13, and the support plate 13 is fixedly mounted on the mounting seat 3 by bolts. The first nut 7 is arranged below the second nut 14, and the centers of the first nut 7 and the second nut 14 are collinear. Through the setting of first nut 7, can play the position restriction to guide holder 9 for guide holder 9's position can be fixed, and easily dismantlement can be changed according to the chain area of different width.

This kind of dead guide wheel of anti-sticking, when installing, can take off second nut 14, and slide joint piece 15 upwards along the central line of axis of rotation 6, make it go out inside the draw-in groove on backup pad 13, at this moment, rotate joint piece 15 and can drive axis of rotation 6 to rotate, gear 16 that sets up below axis of rotation 6 can follow its rotation after axis of rotation 6 rotates, through the meshing effect of gear and rack, in the process that gear 16 rotates, first rack 11 and second rack 12 produce the inward or outward motion simultaneously, can provide outside-in effort to connecting seat 1 as required, on the one hand, can make guide wheel 8 be in the middle part of connecting seat 1, when reaching the centering effect, can also make connecting seat 1 and guide wheel 8 be connected more stably; on the other hand, through centering operation, can be so that guiding groove 10 and guide wheel 8 are in the centering, avoid the position in the transmission process to stagger mutually, and lead to guide wheel 8 and chain to stagger, cause the chain to drop, perhaps guide wheel 8 card dead condition takes place, has ensured the transmission stability of guide wheel 8.

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 an anti-sticking is dead guide wheel, includes connecting seat (1), its characterized in that: the front end part of the connecting seat (1) is rotatably connected with a pin shaft (2), a guide wheel (8) is fixedly arranged in the middle of the pin shaft (2), second limiting plates (5) and first limiting plates (4) are respectively arranged on the left side and the right side of the guide wheel (8), a mounting seat (3) fixedly arranged on the excavator equipment is arranged above the guide wheel (8), clamping grooves for clamping the second limiting plates (5) and the first limiting plates (4) are symmetrically arranged at the left side and the right side of the mounting seat (3), a supporting plate (13) is fixedly arranged at the upper end part of the mounting seat (3), a clamping block (15) is movably inserted in the upper middle of the supporting plate (13), a second nut (14) is arranged above the clamping block (15), the inside of the second nut (14) is connected with a rotating shaft (6) through threads, a gear (16) is connected in the middle of the rotating shaft (6), a first rack (11) and a second rack (12) are respectively meshed with the front side and the rear side of the gear (16), the first rack (11) and the second rack (12) are respectively fixedly arranged on the first rack (4) and the second rack (5), a guiding seat (9) is arranged below the guiding seat (9), and a guiding groove (10) is arranged below the guiding seat (9), and a first nut (7) is arranged below the guide seat (9).

2. The anti-jamming guide wheel according to claim 1, wherein: the first nut (7) is arranged below the second nut (14), and the centers of the first nut (7) and the second nut (14) are collinear.

3. The anti-jamming guide wheel according to claim 1, wherein: the clamping block (15) is arranged above the gear (16), the clamping block (15) is movably sleeved on the rotating shaft (6), and the gear (16) is fixedly sleeved on the rotating shaft (6).

4. The anti-jamming guide wheel according to claim 1, wherein: first rack (11) and second rack (12) are parallel to each other, and just first rack (11) and second rack (12) all locate backup pad (13) inside.

5. The anti-jamming guide wheel according to claim 1, wherein: the pin shaft (2) is arranged below the rotating shaft (6), and the pin shaft (2) is perpendicular to the central line of the rotating shaft (6).

6. The anti-jamming guide wheel according to claim 1, wherein: and clamping grooves used for clamping the clamping blocks (15) are formed in the rotating shaft (6) and the supporting plate (13).

7. The anti-jamming guide wheel according to claim 1, wherein: the guide seat (9) is arranged below the supporting plate (13), and the supporting plate (13) is fixedly installed on the installation seat (3) through a bolt.

8. The anti-jamming guide wheel according to claim 1, wherein: the rotating shaft (6) is rotatably connected with the mounting seat (3), and the rotating shaft (6) is arranged in the middle of the mounting seat (3).