CN211167158U

CN211167158U - Engineering machine tool track tensioning spring

Info

Publication number: CN211167158U
Application number: CN201922340500.0U
Authority: CN
Inventors: 邵承玉; 段海松
Original assignee: Jining Xingfa Spring Co ltd
Current assignee: Jining Xingfa Spring Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-04
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses an engineering machine tool track tensioning spring, including two backup pads, be equipped with first spring between two backup pads, the equal fixed mounting in both ends of first spring has the mounting panel, the inside of two mounting panels all through first bolt respectively with one side threaded connection of corresponding backup pad, be equipped with the tighrening ring between two backup pads, the inside of tighrening ring is rotated and is connected with first removal post, the inside threaded connection of tighrening ring has the second to remove the post, the outside fixed mounting of first removal post has the spacing ring, the spring groove has all been seted up to the inside of first removal post and the inside of second removal post, the beneficial effects of the utility model are that: through setting up the mutually supporting between two backup pads and the first spring to be convenient for play the effect of tensioning, simultaneously through mutually supporting between the first bolt that sets up and mounting panel and the backup pad, thereby be convenient for change first spring, increase this track tensioning spring self's practicality.

Description

Engineering machine tool track tensioning spring

Technical Field

The utility model relates to a tensioning spring, in particular to engineering machine tool track tensioning spring belongs to engineering machine tool spare part technical field.

Background

Construction machinery is an important component of the chinese equipment industry. In general terms, the mechanical equipment necessary for comprehensive mechanized construction engineering required by earth and stone construction engineering, pavement construction and maintenance, mobile hoisting, loading and unloading operation and various construction engineering is called engineering machinery. The track tensioning spring is a necessary mechanical part of a bulldozer, a track loader and a pipe hoist, and plays a certain tensioning and buffering role on a mechanical track chain.

The existing track tensioning spring has poor tensioning effect, easily causes damage to a track chain and increases the cost; and the existing track tensioning spring has poor buffering effect and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engineering machine tool track tensioning spring to the tensioning effect that proposes among the above-mentioned background is poor, the poor problem of buffering effect.

In order to achieve the above object, the utility model provides a following technical scheme: an engineering machinery crawler tensioning spring comprises two supporting plates, a first spring is arranged between the two supporting plates, mounting plates are fixedly mounted at two ends of the first spring, the two mounting plates are internally and respectively in threaded connection with one side of the corresponding supporting plate through first bolts, a fastening ring is arranged between the two supporting plates, a first moving column is rotatably connected inside the fastening ring, a second moving column is in threaded connection with the inside of the fastening ring, a limiting ring is fixedly mounted on the outside of the first moving column, spring grooves are formed in the inside of the first moving column and the inside of the second moving column, the two spring grooves are communicated with each other, pin shafts are slidably connected inside the two spring grooves, a limiting plate is fixedly mounted at one end of each pin shaft, and a second spring is fixedly mounted at one side of each limiting plate, two the equal fixed mounting of one end of second spring has the cushion column, two the equal fixed mounting of top of backup pad one side and the bottom of one side has the guide pulley support.

As an optimal technical scheme of the utility model, two the other end of round pin axle is pegged graft mutually with the pinhole that the middle part of corresponding backup pad one side was seted up respectively.

As an optimal technical scheme of the utility model, two the one end of bumping post is laminated each other.

As an optimized technical scheme of the utility model, the inner wall of tighrening ring seted up with spacing ring assorted spacing groove.

As a preferred technical scheme of the utility model, four guide pulley support's the equal threaded connection in inside has the second bolt.

As a preferred technical scheme of the utility model, the cross section of tighrening ring sets up to regular octagon.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an engineering machinery track tensioning spring, through setting up the mutual cooperation between two backup pads and the first spring, thereby be convenient for play the effect of tensioning, simultaneously through the mutual cooperation between the first bolt that sets up and mounting panel and the backup pad, thereby be convenient for change the first spring, increase the practicality of this track tensioning spring self; through the limiting plate that sets up, the round pin axle, mutually support between second spring and bumping post and the backup pad, when the round pin axle receives and bears, the second spring contracts, thereby be convenient for play fine cushioning effect, simultaneously through the tighrening ring that sets up, mutually support between first removal post and the second removal post and the bumping post, make first removal post and second remove and draw close each other between the post, make the second spring contract, thereby change the deformation volume of second spring self, then improve the buffering effect, it is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic structural diagram of the utility model a.

In the figure: 1. a support plate; 2. a first spring; 3. mounting a plate; 4. a first bolt; 5. a fastening ring; 6. a first moving column; 7. a second moving column; 8. a limiting ring; 9. a pin shaft; 10. a limiting plate; 11. a second spring; 12. a buffer column; 13. a guide wheel support; 14. a second bolt; 15. a spring slot.

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. 1-3, the utility model provides an engineering machinery crawler tensioning spring, which comprises two supporting plates 1, and a first spring 2 is arranged between the two supporting plates 1, so as to achieve a good stretching effect; mounting plates 3 are fixedly mounted at two ends of the first spring 2, and the interiors of the two mounting plates 3 are respectively in threaded connection with one side of the corresponding supporting plate 1 through first bolts 4, so that the first spring 2 is convenient to disassemble; a fastening ring 5 is arranged between the two supporting plates 1, a first moving column 6 is rotatably connected inside the fastening ring 5, a second moving column 7 is in threaded connection inside the fastening ring 5, a limiting ring 8 is fixedly installed outside the first moving column 6, spring grooves 15 are formed in the first moving column 6 and the second moving column 7 respectively, the two spring grooves 15 are communicated with each other, pin shafts 9 are slidably connected inside the two spring grooves 15 respectively, a limiting plate 10 is fixedly installed at one end of each of the two pin shafts 9, a second spring 11 is fixedly installed at one side of each of the two limiting plates 10, and a buffer column 12 is fixedly installed at one end of each of the two second springs 11, so that a buffering effect is achieved; the top end of one side of the two supporting plates 1 and the bottom end of one side of the two supporting plates are fixedly provided with guide wheel supports 13.

Preferably, the other ends of the two pin shafts 9 are respectively inserted into the pin holes formed in the middle of one side of the corresponding support plate 1, so that the two pin shafts 9 are conveniently limited, and a buffering effect is achieved; one ends of the two buffer columns 12 are attached to each other, so that the two second springs 11 play a role in buffering under the action of the buffer columns 12; the inner wall of the fastening ring 5 is provided with a limit groove matched with the limit ring 8, so that the first movable column 6 is driven to move, and the deformation quantity of the second spring 11 is changed; the inner parts of the four guide wheel supports 13 are in threaded connection with second bolts 14, so that the guide wheels on the crawler can be conveniently installed and fixed by the crawler tensioning spring through the second bolts 14, and the installation by an operator is convenient; the cross section of tighrening ring 5 sets up to regular octagon, is convenient for rotate tighrening ring 5, makes things convenient for operating personnel to its memorability operation.

When the track tensioning spring is used in detail, the utility model discloses an engineering machinery track tensioning spring, when needing to use the track tensioning spring, firstly through the mutual cooperation between the second bolt 14 and the relevant nut, the guide wheel support 13 can be installed with the guide wheel in the track, through the mutual cooperation between the two support plates 1 and the first spring 2, when the first spring 2 is born, the first spring 2 is stretched or contracted, thereby playing the role of tensioning and contracting; (through the limiting plate 10, the pin shaft 9, the second spring 11 and the buffer column 12 which are arranged are matched with the supporting plate 1), when the pin shaft 9 is loaded, the second spring 11 contracts, so that a good buffer effect is achieved, when the deformation amount of the second spring 11 needs to be changed, the first spring 2 is firstly disassembled through the first bolt 4, the fastening ring 5 is rotated, (through the mutual matching among the fastening ring 5, the first moving column 6, the second moving column 7 and the buffer column 12), when the fastening ring 5 rotates, the first moving column 6 and the second moving column 7 are mutually closed, so that the second spring 11 contracts, so that the deformation amount of the second spring 11 is changed, and the buffer effect is improved; and repeating the steps, and installing the first spring 2.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 engineering machinery crawler tensioning spring comprises two supporting plates (1), and is characterized in that a first spring (2) is arranged between the two supporting plates (1), mounting plates (3) are fixedly mounted at two ends of the first spring (2), the two mounting plates (3) are respectively in threaded connection with one side of the corresponding supporting plate (1) through first bolts (4), a fastening ring (5) is arranged between the two supporting plates (1), a first moving column (6) is rotatably connected inside the fastening ring (5), a second moving column (7) is in threaded connection inside the fastening ring (5), a limiting ring (8) is fixedly mounted outside the first moving column (6), spring grooves (15) are formed in the first moving column (6) and the second moving column (7), and the two spring grooves (15) are communicated with each other, two the equal sliding connection in inside of spring groove (15) has round pin axle (9), two the equal fixed mounting in one end of round pin axle (9) has limiting plate (10), two the equal fixed mounting in one side of limiting plate (10) has second spring (11), two the equal fixed mounting in one end of second spring (11) has cushion column (12), two the equal fixed mounting in bottom of the top of backup pad (1) one side and one side has guide pulley support (13).

2. The work machine track tensioning spring as defined in claim 1, wherein: the other ends of the two pin shafts (9) are respectively inserted with a pin hole arranged in the middle of one side of the corresponding support plate (1).

3. The work machine track tensioning spring as defined in claim 1, wherein: one ends of the two buffer columns (12) are mutually attached.

4. The work machine track tensioning spring as defined in claim 1, wherein: the inner wall of the fastening ring (5) is provided with a limit groove matched with the limit ring (8).

5. The work machine track tensioning spring as defined in claim 1, wherein: the insides of the four guide wheel support seats (13) are all in threaded connection with second bolts (14).

6. The work machine track tensioning spring as defined in claim 1, wherein: the cross section of the fastening ring (5) is arranged to be regular octagon.