CN209797254U - lifting appliance for movable arm central box of excavator - Google Patents
lifting appliance for movable arm central box of excavator Download PDFInfo
- Publication number
- CN209797254U CN209797254U CN201920160686.9U CN201920160686U CN209797254U CN 209797254 U CN209797254 U CN 209797254U CN 201920160686 U CN201920160686 U CN 201920160686U CN 209797254 U CN209797254 U CN 209797254U
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- cross beam
- upper cross
- positioning plate
- auxiliary positioning
- box
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Abstract
The utility model relates to the technical field of excavator machinery, and provides a lifting appliance of a movable arm central box of an excavator, which comprises a positioning frame and an auxiliary positioning plate, wherein the positioning frame comprises an upper cross beam, a lower cross beam and a vertical rod, the upper cross beam, the vertical rod and the lower cross beam are sequentially connected in the same plane, the upper cross beam and the vertical rod form an included angle of 85-95 degrees, and the vertical rod and the lower cross beam form an included angle of 85-95 degrees; the auxiliary positioning plate is arranged on the upper cross beam and forms an included angle of 85-95 degrees with the plane of the positioning frame; the upper cross beam is provided with a lifting hole; the auxiliary positioning plate is also provided with a pin shaft, and the pin shaft and the plane of the auxiliary positioning plate form an included angle of 85-95 degrees and are basically parallel to the plane of the positioning frame. The utility model discloses a fix a position focus central authorities box subassembly fast, will hoist and mount the state lock through round pin axle device after lifting by crane and die, realize safe, the quick hoist and mount of central authorities' box, eliminate the potential safety hazard.
Description
Technical Field
The utility model relates to an excavator machinery technical field, in particular to hoist of excavator swing arm central authorities box.
Background
The excavator movable arm consists of a movable arm front fork assembly, a movable arm middle section assembly (a central box for short), a front side plate, a rear side plate, a front sealing plate, a rear sealing plate and an upper sealing plate, wherein a hanging belt is used for hoisting in the hoisting process of the central box. Because the structure of central authorities' box is irregular and huge, because there is insecure problem in the suspender is fixed, lead to the suspender to deviate from the focus very easily when hoist and mount, cause the left and right sides to sideslip easily, take place to drop, have production potential safety hazard.
Disclosure of Invention
An object of the utility model is to overcome not enough among the prior art, provide an excavator swing arm central authorities box hoist, solved among the prior art in the problem that the box of hoist and mount in-process easily takes place central authorities drops.
In order to solve the technical problem, the utility model provides a central box lifting appliance of a movable arm of an excavator, which comprises a positioning frame and an auxiliary positioning plate, wherein the positioning frame comprises an upper cross beam, a lower cross beam and a vertical rod, the upper cross beam, the vertical rod and the lower cross beam are sequentially connected in the same plane, the upper cross beam and the vertical rod form an included angle of 85-95 degrees, and the vertical rod and the lower cross beam form an included angle of 85-95 degrees; the auxiliary positioning plate is arranged on the upper cross beam and forms an included angle of 85-95 degrees with the plane of the positioning frame; the upper cross beam is provided with a lifting hole; the auxiliary positioning plate is also provided with a pin shaft, and the pin shaft and the plane of the auxiliary positioning plate form an included angle of 85-95 degrees and are basically parallel to the plane of the positioning frame.
Preferably, the center of the upper cross beam is provided with an arc-shaped lug, and the lifting hole is arranged on the arc-shaped lug. The design of arc lug is favorable to suspender and hanging hole to be connected, and can play the dispersion and bear the effect of atress, increase of service life.
Preferably, a reinforcing rib for reinforcing is arranged between the auxiliary positioning plate and the upper cross beam. The reinforcing ribs play a role in reinforcing the lifting appliance.
Preferably, the reinforcing rib is a polygonal steel plate, a first edge of the reinforcing rib is connected with the auxiliary positioning plate, a second edge of the reinforcing rib is connected with the upper cross beam, and the first edge and the second edge are two adjacent edges of the reinforcing rib.
preferably, the connection is a fixed connection.
preferably, the fixed connection is riveting, welding or cementing;
The riveting is rivet connection, and the welding comprises fusion welding (fusion welding), pressure welding and brazing.
Preferably, the reinforcing rib is arranged on one side, close to the lifting hole, of the auxiliary positioning plate, and the pin shaft is arranged on the other side of the auxiliary positioning plate.
Preferably, the number of the reinforcing ribs is two.
Preferably, the upper cross beam, the lower cross beam and the vertical rod are integrally connected. The structure of the device is firmer.
Preferably, entablature, bottom end rail, montant are rectangular shape steel sheet, and its inboard one side (with central box contact one side) is the plane, are convenient for make hoist and central box laminating, increase the fastness.
The hanging strip is connected with the hanging tool through the hanging hole.
when the lifting appliance is used, the upper cross beam and the lower cross beam are respectively arranged above and below the central box, the positioning frame forms a semi-surrounding structure (shown in figure 2) for the central box, a supporting hole is formed in the gravity center position of the central box, the pin shaft penetrates into the supporting hole of the central box, the lifting appliance is positioned and fixed on the central box, the lifting rope penetrates through the lifting hole, and the central box is lifted through the lifting rope.
The center of gravity position with central authorities' box fixes a position in advance to processing supported hole on the shell of center of gravity position, just need not repeated when hoist and mount once more or hoist many times to look for the focus, this lifting device fixity is good moreover, and the hoist and mount process is difficult for producing the slip and drops, consequently can improve the security of the speed of hoist and mount.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a fix a position focus central authorities box subassembly fast, will hoist and mount the state lock through round pin axle device after lifting by crane and die, realize safe, the quick hoist and mount of central authorities' box, eliminate the potential safety hazard.
Drawings
Fig. 1 is a schematic perspective view of a hanger of the present invention;
Fig. 2 is a schematic structural view of the lifting appliance of the present invention when lifting the central box;
Fig. 3 is the front view of the lifting appliance of the utility model:
fig. 4 is a left side view of the lifting appliance of the present invention;
Fig. 5 is a top view of the lifting device of the present invention.
Reference numerals: 1-a positioning frame; 11-an upper beam; 12-a vertical rod; 13-a lower cross beam; 2-auxiliary positioning plate; 3-a pin shaft; 4-reinforcing ribs; 5-hanging holes.
Detailed Description
For a better understanding of the invention by those skilled in the art, reference is made to the accompanying drawings and detailed description
The present invention will be described in further detail.
As shown in fig. 1 to 5, the structure schematic diagram of the central box lifting appliance for the movable arm of the excavator of the present invention includes a positioning frame 1 and an auxiliary positioning plate 2, wherein the positioning frame 1 includes an upper beam 11, a vertical rod 12 and a lower beam 13, the upper beam 11, the vertical rod 12 and the lower beam 13 are sequentially connected in the same plane, the upper beam 11 and the vertical rod 12 form an included angle of 90 degrees, and the vertical rod 12 and the lower beam 13 form an included angle of 90 degrees; the auxiliary positioning plate 2 is arranged on the upper cross beam 11 and forms an included angle of 90 degrees with the plane of the positioning frame 1; the upper cross beam 11 is provided with a lifting hole 5; the auxiliary positioning plate 2 is also provided with a pin shaft 3, and the pin shaft 3 and the plane where the auxiliary positioning plate 2 is located form an included angle of 90 degrees and are parallel to the plane of the positioning frame 1.
Specifically, the center of the upper cross beam 11 is provided with an arc-shaped convex block, and the lifting hole 5 is arranged on the arc-shaped convex block. The design of arc lug is favorable to suspender and hanging hole to be connected, and can play the dispersion and bear the effect of atress, increase of service life. The hanging strip is connected with the hanging tool through the hanging hole 5.
Specifically, a reinforcing rib 4 for reinforcing is arranged between the auxiliary positioning plate 2 and the upper cross beam 11. The reinforcing ribs 4 play a role in reinforcing the lifting appliance.
Specifically, the reinforcing ribs 4 are polygonal steel plates, the first edges of the reinforcing ribs 4 are connected with the auxiliary positioning plate 2, the second edges of the reinforcing ribs 4 are connected with the upper cross beam 11, and the first edges and the second edges are two adjacent edges of the reinforcing ribs 4.
Specifically, the connection is a fixed connection.
Specifically, the fixed connection is riveting, welding or cementing;
The riveting is rivet connection, and the welding comprises fusion welding (fusion welding), pressure welding and brazing.
specifically, the reinforcing ribs 4 are arranged on one side, close to the lifting holes 5, of the auxiliary positioning plate 2, and the pin shafts 3 are arranged on the other side of the auxiliary positioning plate 2.
Specifically, the number of the reinforcing ribs 4 is two.
specifically, the upper cross beam 11, the lower cross beam 13 and the vertical rod 12 are integrally connected. The integral connection makes the structure of the device more firm.
Specifically, entablature 11, bottom end rail 13, montant 12 are rectangular shape steel sheet, and its inboard one side (with central authorities box contact one side) is the plane, are convenient for make hoist and central authorities box laminating, increase the fastness.
when the lifting appliance is used, the upper cross beam 11 and the lower cross beam 13 are respectively arranged above and below the central box, the rectangular positioning frame 1 with one open end forms a semi-surrounding structure (shown in figure 2) for the central box, a supporting hole is formed in the gravity center position of the central box, the pin shaft 3 penetrates into the supporting hole of the central box, the lifting appliance is positioned and fixed on the central box, the lifting rope penetrates through the lifting hole 5, and the central box is lifted through the lifting rope.
when the hoisting tool is used for hoisting the central box, the hoisting time is averagely shortened by 3 minutes compared with the hoisting time of directly hoisting the central box by using a hoisting rope; in the 100-time hoisting process, no central box slides, so that the hoisting efficiency is improved, and the safety is improved.
the center of gravity position with central authorities' box fixes a position in advance to processing supported hole on the shell of center of gravity position, just need not repeated when hoist and mount once more or hoist many times to look for the focus, this lifting device fixity is good moreover, and the hoist and mount process is difficult for producing the slip and drops, consequently can improve the security of the speed of hoist and mount.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present technology without departing from the principle of the present invention, and such improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. A lifting appliance of a movable arm central box of an excavator is characterized by comprising a positioning frame and an auxiliary positioning plate,
The positioning frame comprises an upper cross beam, a lower cross beam and a vertical rod, the upper cross beam, the vertical rod and the lower cross beam are sequentially connected in the same plane, the upper cross beam and the vertical rod form an included angle of 85-95 degrees, and the vertical rod and the lower cross beam form an included angle of 85-95 degrees;
The auxiliary positioning plate is arranged on the upper cross beam and forms an included angle of 85-95 degrees with the plane of the positioning frame;
The upper cross beam is provided with a lifting hole;
The auxiliary positioning plate is also provided with a pin shaft, and the pin shaft and the plane of the auxiliary positioning plate form an included angle of 85-95 degrees and are basically parallel to the plane of the positioning frame.
2. the spreader of the excavator boom center box of claim 1, wherein the upper cross beam has an arc-shaped protrusion at the center, and the hanging hole is formed on the arc-shaped protrusion.
3. The spreader of the excavator boom center box as claimed in claim 1, wherein a reinforcing rib for reinforcing is provided between the auxiliary positioning plate and the upper cross member.
4. The spreader of the excavator boom center box of claim 3, wherein the reinforcing rib is a polygonal steel plate, a first side of the reinforcing rib is connected with the auxiliary positioning plate, a second side of the reinforcing rib is connected with the upper cross beam, and the first side and the second side are two adjacent sides of the reinforcing rib.
5. The excavator boom center box spreader of claim 4, wherein the connection is a fixed connection.
6. The spreader of the excavator boom center box of claim 5, wherein the fixed connection is riveting, welding or gluing;
The riveting is rivet connection, and the welding comprises fusion welding, pressure welding and brazing.
7. The lifting appliance of the excavator boom center box as claimed in claim 3, wherein the reinforcing rib is provided on one side of the auxiliary positioning plate near the lifting hole, and the pin shaft is provided on the other side of the auxiliary positioning plate.
8. The spreader of the excavator boom center box of claim 3, wherein the number of the reinforcing ribs is two.
9. The spreader of the excavator boom center box of claim 1, wherein the upper cross member, the lower cross member and the vertical member are integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160686.9U CN209797254U (en) | 2019-01-30 | 2019-01-30 | lifting appliance for movable arm central box of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160686.9U CN209797254U (en) | 2019-01-30 | 2019-01-30 | lifting appliance for movable arm central box of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209797254U true CN209797254U (en) | 2019-12-17 |
Family
ID=68821615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920160686.9U Active CN209797254U (en) | 2019-01-30 | 2019-01-30 | lifting appliance for movable arm central box of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209797254U (en) |
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2019
- 2019-01-30 CN CN201920160686.9U patent/CN209797254U/en active Active
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