CN218204665U

CN218204665U - Excavator lower frame with strong joint stability

Info

Publication number: CN218204665U
Application number: CN202222166778.2U
Authority: CN
Inventors: 袁全红; 仇全清; 徐德强
Original assignee: Liyang Shengjie Machine Co ltd
Current assignee: Liyang Shengjie Machine Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-01-03
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a frame under excavator that frame technical field's under excavator is strong in junction stability, comprising a frame body, install through dismouting mechanism around the support body and connect down tube, four groups the bottom of connecting the down tube is equipped with the mount pad, and is equipped with the removal wheel in the mount pad, the inner chamber both sides of support body are equipped with the screw rod, be equipped with the backup pad on the screw rod, and be equipped with spring one on the screw rod, the top of spring one is connected with the lower surface of backup pad, threaded connection has the nut on the screw rod, and the nut laminating is at the upper surface of backup pad, the inner chamber middle part of support body is equipped with solid fixed cylinder, sliding connection's telescopic link is installed to solid fixed cylinder's inner chamber, and the lower surface middle part at the backup pad is connected to the top of telescopic link, the upper surface of backup pad is equipped with the slewing bearing subassembly, the utility model discloses a frame is used stably, and the backup pad has the effect of shock attenuation buffering, reduces the operating personnel's in the cockpit uncomfortable sense, has improved the travelling comfort.

Description

Excavator lower frame with strong joint stability

Technical Field

The utility model relates to an excavator frame technical field of getting off specifically is a frame under excavator that junction stability is strong.

Background

An excavator, also called excavating machine, also called excavator, is an earth moving machine which excavates materials above or below a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, the materials excavated by the excavator mainly comprise soil, coal, silt and soil and rock after pre-loosening, from the development of engineering machines in recent years, the development of the excavator is relatively fast, the excavator becomes one of the most important engineering machines in engineering construction, and the excavator has three most important parameters: the lower frame is an essential component of the excavator, such as the operation weight (mass), the engine power and the bucket capacity.

But the frame under current excavator simple structure, poor stability, and the frame does not possess shock-absorbing function under, and the frame under produces the vibration easily when using, reduces the uncomfortable sense of operating personnel in the cockpit, and the practicality is poor, for this reason, we propose a frame under excavator that junction stability is strong.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frame under excavator that junction stability is strong to solve the frame poor stability of getting off that proposes in the above-mentioned background art and not have the problem of shock attenuation cushioning effect.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a frame under excavator that junction stability is strong, comprises a frame body, install through dismouting mechanism around the support body and connect down tube, four groups the bottom of connecting the down tube is equipped with the mount pad, and is equipped with the removal wheel in the mount pad, the inner chamber both sides of support body are equipped with the screw rod, be equipped with the backup pad on the screw rod, and be equipped with spring one on the screw rod, the top of spring one is connected with the lower surface of backup pad, threaded connection has the nut on the screw rod, and the nut laminating is at the upper surface of backup pad, the inner chamber middle part of support body is equipped with solid fixed cylinder, sliding connection's telescopic link is installed to solid fixed cylinder's inner chamber, and the top of telescopic link is connected at the lower surface middle part of backup pad, the upper surface of backup pad is equipped with the slewing bearing subassembly.

Further: the dismouting mechanism is including the installation piece, the installation piece with be connected the down tube and be connected, and the lateral wall all around of support body set up with installation piece assorted mounting groove, the top four corners department of support body is pegged graft and is had the locating lever, and the locating lever runs through the through-hole of intercommunication in mounting groove and the installation piece.

Further: the bottom end of the inner cavity of the fixed cylinder is provided with a fixed plate, the upper surface of the fixed plate is provided with a second spring, and the top end of the second spring is connected with the bottom end of the telescopic rod.

Further: limiting grooves are formed in four groups of side walls of the inner cavity of the support body, and limiting blocks matched with the limiting grooves are installed on the peripheral outer walls of the supporting plates.

Further: and a slewing bearing is arranged on the slewing bearing assembly.

And further: the outer wall of locating lever is equipped with the antiskid packing ring.

And further: a sealing gasket is arranged between the limiting groove and the limiting block.

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

1. the utility model discloses a lower frame stability is strong, uses more stably, and the backup pad passes through the effect of screw rod, spring one, solid fixed cylinder, spring two and telescopic link, can play the effect of shock attenuation buffering, and the excavator during operation can absorb partly excavator vibrations that produce at the during operation, reduces the uncomfortable sense of operating personnel in the cockpit, and certain degree has improved the travelling comfort, and the practicality is good.

2. Four groups of removal wheels are connected for dismantling with the support body, simultaneously, through the setting of stopper and spacing groove, can play limiting displacement to the backup pad position, reduce the backup pad about, rock around, reduce the influence that support body inner chamber spring vibration led to the fact for the backup pad.

Drawings

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

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

fig. 3 is a top view of the present invention.

In the figure: 1. a frame body; 2. a moving wheel; 3. a support plate; 4. a slewing bearing assembly; 5. a nut; 6. a screw; 7. a first spring; 8. a fixed cylinder; 9. a fixing plate; 10. a second spring; 11. a telescopic rod; 12. connecting the inclined rod; 13. mounting a block; 14. mounting grooves; 15. positioning a rod; 16. a limiting block; 17. a limiting groove; 18. and (4) a slewing bearing.

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 1:

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a frame under excavator that junction stability is strong, including support body 1, support body 1 installs all around through dismouting mechanism and connects down tube 12, the bottom that four groups connect down tube 12 is equipped with the mount pad, and be equipped with in the mount pad and remove wheel 2, the inner chamber both sides of support body 1 are equipped with screw rod 6, be equipped with backup pad 3 on the screw rod 6, and be equipped with spring one 7 on the screw rod 6, the top of spring one 7 is connected with the lower surface of backup pad 3, threaded connection has nut 5 on the screw rod 6, and the laminating of nut 5 is at the upper surface of backup pad 3, the inner chamber middle part of support body 1 is equipped with solid fixed cylinder 8, sliding connection's telescopic link 11 is installed to solid fixed cylinder 8's inner chamber, and the lower surface middle part at backup pad 3 is connected on the top of telescopic link 11, the upper surface of backup pad 3 is equipped with slewing bearing subassembly 4, before the use, remove wheel 2 through four groups to install, can remove the whole frame under the wheel 2 removal through four groups, through screw rod 6 with nut 5's connection, can consolidate the position of backup pad 3, the setting of spring one 7 and telescopic link 11, can play the cushioning effect for the backup pad 3, when the during operation, can absorb a part, the reduction of the uncomfortable reduction of the operating comfort in the cabin, the driving of the cabin, the stability of the whole frame, the operating comfort of the stability of the improvement of the whole frame, the stability of the efficiency of the operation is good, the efficiency of the whole frame, the cabin, the efficiency of the operation of the excavator, the improvement of the efficiency is good.

Referring to fig. 1 and 2, preferably, the mounting and dismounting mechanism includes a mounting block 13, the mounting block 13 is connected to a connecting diagonal rod 12, and a mounting groove 14 matched with the mounting block 13 is formed on the peripheral side wall of the frame body 1, positioning rods 15 are inserted into four corners of the top of the frame body 1, and the positioning rods 15 penetrate through holes communicated with the mounting groove 14 and the mounting block 13, when the movable wheel 2 is mounted, the mounting blocks 13 at the tops of the four groups of connecting diagonal rods 12 are inserted into the mounting groove 14 in the frame body 1, and then the positioning rods 15 are vertically inserted into the frame body 1, so that the positioning rods 15 penetrate through the through holes communicated with the mounting groove 14 and the mounting groove, thereby fixing the four groups of connecting diagonal rods 12 and the mounting groove 14.

Referring to fig. 1, preferably, a fixing plate 9 is disposed at the bottom end of the inner cavity of the fixing cylinder 8, a second spring 10 is disposed on the upper surface of the fixing plate 9, the top end of the second spring 10 is connected to the bottom end of the telescopic rod 11, and the second spring 10 cooperates with the first spring 7 to perform an up-and-down damping and buffering function on the support plate 3.

Referring to fig. 3, preferably, four sets of side walls of the inner cavity of the frame body 1 are provided with limiting grooves 17, limiting blocks 16 matched with the limiting grooves 17 are installed on the peripheral outer walls of the supporting plate 3, the limiting grooves 17 and the limiting blocks 16 play a limiting role, the supporting plate 3 can be prevented from swinging left and right and back and forth under the action of the first spring 7 and the second spring 10 during working, and the stability of the lower frame during use is further improved.

Referring to fig. 3, preferably, a slewing bearing 18 is disposed on slewing bearing assembly 4.

Example 2:

referring to fig. 2, this embodiment is different from the first embodiment in that: the outer wall of locating lever 15 is equipped with anti-skidding packing ring, and anti-skidding packing ring can improve the stability that locating lever 15 and through-hole are connected, avoids installation piece 13 to break away from mounting groove 14.

Referring to fig. 3, a sealing gasket is arranged between the limiting groove 17 and the limiting block 16, and the sealing performance of the connection between the limiting groove and the limiting block is improved due to the arrangement of the sealing gasket.

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 frame under excavator that junction stability is strong, includes support body (1), its characterized in that: support body (1) install all around through dismouting mechanism and connect down tube (12), four groups the bottom of connecting down tube (12) is equipped with the mount pad, and is equipped with in the mount pad and removes wheel (2), the inner chamber both sides of support body (1) are equipped with screw rod (6), be equipped with backup pad (3) on screw rod (6), and be equipped with spring (7) on screw rod (6), the top of spring (7) is connected with the lower surface of backup pad (3), threaded connection has nut (5) on screw rod (6), and nut (5) laminating is at the upper surface of backup pad (3), the inner chamber middle part of support body (1) is equipped with fixed section of thick bamboo (8), sliding connection's telescopic link (11) is installed to the inner chamber of fixed section of thick bamboo (8), and the top of telescopic link (11) is connected at the lower surface middle part of backup pad (3), the upper surface of backup pad (3) is equipped with slewing bearing subassembly (4).

2. The excavator lower frame with the strong connection stability as claimed in claim 1, is characterized in that: the disassembling and assembling mechanism comprises an installation block (13), the installation block (13) is connected with a connecting inclined rod (12), the side walls of the periphery of the frame body (1) are provided with installation grooves (14) matched with the installation block (13), positioning rods (15) are inserted into four corners of the top of the frame body (1), and the positioning rods (15) penetrate through holes communicated with the installation grooves (14) and the installation block (13).

3. The excavator lower frame with the strong connection stability as claimed in claim 1, is characterized in that: the inner chamber bottom of a fixed cylinder (8) is provided with a fixed plate (9), the upper surface of the fixed plate (9) is provided with a second spring (10), and the top end of the second spring (10) is connected with the bottom end of a telescopic rod (11).

4. The excavator lower frame with the strong connection stability as claimed in claim 1, is characterized in that: limiting grooves (17) are formed in four side walls of the inner cavity of the support body (1), and limiting blocks (16) matched with the limiting grooves (17) are installed on the outer wall of the periphery of the supporting plate (3).

5. The excavator lower frame with the strong connection stability as claimed in claim 1, is characterized in that: and a slewing bearing (18) is arranged on the slewing bearing assembly (4).

6. The excavator lower frame with the strong joint stability of claim 2, characterized in that: the outer wall of the positioning rod (15) is provided with an anti-slip gasket.

7. The excavator lower frame with the strong connection stability as claimed in claim 4, is characterized in that: and a sealing gasket is arranged between the limiting groove (17) and the limiting block (16).