CN210283819U

CN210283819U - Balance shaft assembly of mining balance suspension

Info

Publication number: CN210283819U
Application number: CN201920612661.8U
Authority: CN
Inventors: 马天福
Original assignee: Shandong Yong Jin Transmission Machinery Co ltd
Current assignee: Shandong Yong Jin Transmission Machinery Co ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-04-10
Anticipated expiration: 2029-04-29

Abstract

The utility model provides a balanced axle assembly of mining balanced suspension, including balanced axle, support and balanced axle shell, balanced axle both ends are run through in support, the supporting use of balanced axle shell, and balanced axle and support are interference fit and connect, balanced axle both ends and balanced axle shell rotatable coupling, connect through the connecting plate between the support at balanced axle both ends, and balanced axle shell both ends are sealed dustproof. The utility model discloses be used for solving balance shaft both ends locking unreliable, balance shaft is easy disconnected, balance shaft wearing and tearing scheduling problem.

Description

Balance shaft assembly of mining balance suspension

Technical Field

The utility model relates to a balanced axle assembly of off-highway transportation type balanced suspension, specifically speaking relates to a balanced axle assembly of mining balanced suspension.

Background

The core component of the off-highway transportation type balance suspension system is a balance shaft assembly. Because the balance shaft assembly is suitable for the non-road transportation type dump truck, the use places are large-scale mine pits and large-scale projects, the road condition is very bad, the load capacity is also very large (more than 50 tons and less than 60 tons), and the traditional balance shaft assembly can not ensure the load bearing of the truck type; the road conditions used by the balance shaft assembly of the current domestic mining truck are very poor, so that the two ends of the balance shaft are not reliably locked, the balance shaft is easy to break, the balance shaft is worn, the bracket and the balance shaft rotate, the bracket is easy to crack, oil leaks, and the bearing is cracked, thereby affecting the use performance of the whole truck.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a balanced axle assembly of mining balanced suspension, solve balanced axle both ends locking unreliable, balanced axle is easy disconnected, balanced axle wearing and tearing scheduling problem.

The purpose of the utility model is achieved through the following technical measures:

the utility model provides a balanced axle assembly of mining balanced suspension, includes balanced axle, support and balanced axle housing, balanced axle both ends are run through in support, the supporting use of balanced axle housing, and balanced axle and support are interference fit and are connected, balanced axle both ends and balanced axle housing rotatable coupling, are connected through the connecting plate between the support at balanced axle both ends, and balanced axle housing both ends are sealed dustproof.

Furthermore, two ends of the balance shaft shell are sealed and dustproof through an O-shaped ring and a dustproof cover.

Further, the balance shaft is connected with the support in a hot-assembling mode.

Furthermore, the balance shaft is connected with the spherical bearing, the spherical bearing is connected with the support in an interference fit mode, and the spherical bearing and the balance shaft are lubricated through lubricating oil.

Further, the spherical bearing and the balance shaft are lubricated by semi-flow grease.

Further, the matching part of the balance shaft and the spherical bearing is subjected to heat treatment.

Furthermore, the end face of the balance shaft is locked in a left-right nut screwing locking mode.

Further, the support and the middle support are integrally cast, and the middle support connects the balance shaft assembly and the frame into a whole through bolts.

Furthermore, a balance shaft shell cover is arranged at the outer end of the balance shaft shell and is in sealing connection with the balance shaft shell.

Further, the balance shaft shell cover and the balance shaft shell are fixedly connected in a sealing mode through bolts and spring washers.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that:

the anti-alternating bending stress of the balance shaft is improved, the fatigue damage of the balance shaft is reduced, the problems that the locking at the two ends of the balance shaft is unreliable, the balance shaft is easy to break, the balance shaft is abraded, the support and the balance shaft rotate, the support is easy to crack, the oil leaks and the bearing is cracked are mainly solved, the bearing capacity is improved, and the service life is prolonged.

The utility model discloses a screw nut locking mode about balanced axle head face locking mode adopts, and is more reliable than traditional bolt, nut structure fastening. Semi-fluid lubricating grease, a dustproof cover and an O-shaped ring are adopted to increase the sealing effect, so that oil leakage is avoided, and the lubricating effect of the spherical bearing is improved; the balance shaft and the bracket are hot-assembled, so that the reliability of the balance shaft is improved; the heat treatment and the over-hard matching at the matching part of the balance shaft and the bearing avoid the abrasion of the balance shaft; the inner hole of the spherical bearing inner ring is enlarged to improve the bearing reliability of the balance shaft. The connecting plate is additionally arranged between the two supports for connection, so that the reliability of the balance shaft assembly is improved.

The support structure adopts and casts integral structure with the intermediate support, improves support intensity, reduces balanced suspension assembly and whole car weight, reduces middle bolted connection link, improves whole car assembly efficiency, improves the wholeness ability of balanced axle assembly.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The oil filling testing device comprises a balance shaft 1, a balance shaft 2, a support 3, a balance shaft shell, 4, an O-shaped ring 5, a bearing oil sealing cover 6, a dustproof cover 7, a shaft sealing ring 9, a spherical bearing 10, a spacing bush 11, a hexagonal head bolt 12, a balance shaft shell cover 13, an oil filling testing screw plug 14, a groove nut 15, a locking gasket 16, a thrust nut 17, a fixing bolt 18, an O-shaped ring 20, a bolt 21 and a connecting plate.

Detailed Description

As shown in fig. 1, the balance shaft assembly of the mining balance suspension in the embodiment mainly includes a balance shaft 1, a bracket 2, and a balance shaft housing 3. The upper part of the bracket 2 is provided with a connecting hole connected with the frame, the lower part of the bracket 2 is provided with a connecting hole used for being connected with the lower thrust rod, the middle part of the bracket is provided with a central hole sleeved on the balance shaft 1, and the two ends of the balance shaft 1 are respectively combined with the bracket 2 through hot assembly and are rotatably connected with the balance shaft shell 3 through a spherical bearing 9. The outer end of the balance shaft shell 3 is provided with a balance shaft shell cover 12.

The utility model discloses an installation method: taking the balance shaft 1 as an assembly matrix, firstly, heating inner holes of two brackets 2, and connecting (interference fit) the two ends of the balance shaft 1; the upper ends of the thrust rod holes of the two brackets 2 are connected by a connecting plate 21 and fixed by bolts 20 matched with the elastic cushions; respectively installing an O-shaped ring 4, a bearing oil seal cover 5, a spherical bearing 9, a dust cover 6 and a spacing bush 10 at two ends of a balance shaft 1, close to the end surface of a bracket 2, and assembling in place; an outer ring of a spherical bearing 9 and a shaft seal ring 7 are arranged in the balance shaft shell 3; and then the assembled balance shaft shells 3 are respectively arranged at two ends of the balance shaft 1, the inner rings of the spherical bearings 9 are arranged, the groove nuts 14 and the thrust nuts 16 are screwed on the threads at two ends of the balance shaft 1, and the groove nuts and the thrust nuts are locked by the locking gaskets 15, so that the torque requirement is met. After the assembly is completed, the balance shaft shell cover 12 and the balance shaft shell 3 are fixed by a fixing bolt 17 matched with the spring washer to realize sealing; screwing a hexagon head bolt 11 matched with the flat washer on the balance shaft shell 3; after the assembly is assembled, semi-fluid lubricating grease is filled into the threaded hole in the balance shaft shell cover 12, and finally the oil filling inspection screw plug 13 is installed.

The utility model discloses the complete set is used, and the balance shaft assembly runs through in the frame both sides, and the balance shaft is integral can increase the frame and bear and put in order the car payload capacity.

The utility model discloses a screw nut locking mode about the 1 terminal surface locking mode of balance shaft adopts, and is more reliable than traditional bolt, nut structure fastening. Semi-fluid lubricating grease, a dustproof cover and an O-shaped ring are adopted to increase the sealing effect, so that oil leakage is avoided, and the lubricating effect of the spherical bearing is improved; the balance shaft and the bracket are hot-assembled, so that the reliability of the balance shaft is improved; the heat treatment and the over-hard matching at the matching part of the balance shaft and the bearing avoid the abrasion of the balance shaft; the inner hole of the inner ring of the spherical bearing 9 is enlarged to improve the bearing reliability of the balance shaft. The connecting plate is additionally arranged between the two supports for connection, so that the reliability of the balance shaft assembly is improved.

The support 2 is cast with the middle support into an integrated structure, so that the support strength is improved, the weight of the balanced suspension assembly and the whole vehicle is reduced, the middle bolt connection link is reduced, the whole vehicle assembly efficiency is improved, and the overall performance of the balanced shaft assembly is improved.

Claims

1. The utility model provides a balanced axle assembly of mining balanced suspension, includes balanced axle, support and balanced axle housing, its characterized in that: the balance shaft is characterized in that two ends of the balance shaft penetrate through the support and the balance shaft shell to be used in a matched mode, the balance shaft and the support are connected in an interference fit mode, two ends of the balance shaft are rotatably connected with the balance shaft shell, the supports at two ends of the balance shaft are connected through the connecting plate, and two ends of the balance shaft shell are sealed and dustproof.

2. The balance shaft assembly of the mining balance suspension as claimed in claim 1, wherein: and two ends of the balance shaft shell are sealed and dustproof through an O-shaped ring and a dustproof cover.

3. The balance shaft assembly of the mining balance suspension as claimed in claim 1, wherein: the balance shaft is connected with the support in a hot-assembling mode.

4. The balance shaft assembly of the mining balance suspension as claimed in claim 3, wherein: the balance shaft is connected with the spherical bearing, the spherical bearing is connected with the support in an interference fit manner, and the spherical bearing and the balance shaft are lubricated by lubricating oil.

5. The balance shaft assembly of the mining balance suspension as claimed in claim 4, wherein: the spherical bearing and the balance shaft are lubricated by half-flow lubricating grease.

6. The balance shaft assembly of the mining balance suspension as claimed in claim 3, wherein: the matching part of the balance shaft and the spherical bearing is subjected to heat treatment.

7. The balance shaft assembly of the mining balance suspension as claimed in claim 1, wherein: the end face of the balance shaft is locked in a left-right nut locking mode.

8. The balance shaft assembly of the mining balance suspension as claimed in claim 1, wherein: the support and the middle support are integrally cast, and the middle support connects the balance shaft assembly and the frame into a whole through bolts.

9. The balance shaft assembly of the mining balance suspension as claimed in claim 2, wherein: and a balance shaft shell cover is arranged at the outer end of the balance shaft shell and is in sealing connection with the balance shaft shell.

10. The balance shaft assembly of the mining balance suspension as claimed in claim 9, wherein: and the balance shaft shell cover and the balance shaft shell are fixedly connected in a sealing way through bolts and spring washers.