CN214574268U

CN214574268U - Handrail

Info

Publication number: CN214574268U
Application number: CN202120382894.0U
Authority: CN
Inventors: 支开印; 杨典作; 熊伟; 张平; 杨乐; 张治铎
Original assignee: Lingong Group Jinan Heavy Machinery Co Ltd
Current assignee: Lingong Heavy Machinery Co Ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-11-02
Anticipated expiration: 2031-02-20

Abstract

The utility model discloses a handrail relates to excavator technical field. This handrail holds up the pole including parallel arrangement's first pole and second, and the one end of first pole and the pole one end of second are held up and are passed through the connecting rod and connect, and the other end of first pole is held up and is provided with first connecting seat, and the other end of second pole is held up and is provided with the second connecting seat, and the axis of first connecting seat and the axis of second connecting seat set up perpendicularly, first connecting seat and second connecting seat respectively with handrail mount pad on two mutually perpendicular's side fixed connection. The utility model provides a handrail, first pole of holding up is connected through one of them side of first connecting seat and handrail mount pad to for operating personnel provides the climbing support, the second handrail passes through the second connecting seat to be connected with another side of handrail mount pad, and support for operating personnel provides the climbing. The handrail not only can provide climbing support in two directions, but also is simple to install and convenient to adjust.

Description

Handrail

Technical Field

The utility model relates to an excavator technical field especially relates to a handrail.

Background

Excavator operators need often to climb to the upper portion frame of excavator in the course of the work, for the convenience of operating personnel climbing, all install the handrail on the excavator usually.

The side of the handrail mount pad of present excavator is provided with the climbing stair, and the one end of handrail is passed through the fixed plate and is connected in the side of handrail mount pad, and the other end passes through the fixed plate to be connected on the horizontal plane of handrail mount pad, and the operator can only climb to the upper portion frame from a passageway. In order to save time, the physical strength of the operator is saved. The stair climbing device comprises a handrail, a handrail and a handrail mounting seat, wherein the handrail is arranged on the handrail mounting seat, and the handrail is arranged on the handrail mounting seat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handrail, this handrail can provide the support that two directions scrambleed the stair.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a handrail, its includes parallel arrangement's first pole and second pole of holding up, the one end of first pole of holding up with pole one end is held up through the connecting rod and is connected to the second, the other end of first pole of holding up is provided with first connecting seat, the other end of second pole of holding up is provided with the second connecting seat, the axis of first connecting seat with the axis of second connecting seat sets up perpendicularly, first connecting seat with the second connecting seat respectively with handrail mount pad on two mutually perpendicular's side fixed connection.

Optionally, the ends of the first handrail and the second handrail in the same direction are connected by the connecting rod.

Optionally, a support rod is arranged between the first handrail and the second handrail.

Optionally, the bracing piece is provided with a plurality ofly, and is a plurality of the bracing piece interval all establishes.

Optionally, the first handrail and the first connecting seat are connected by a first elbow; the second support rod is connected with the second connecting seat through a second elbow.

Optionally, the first bend and the second bend are both made of round steel.

Optionally, the first elbow and the first connecting seat are connected through a first sleeve; the second elbow is connected with the second connecting seat through a second sleeve.

Optionally, a first inserting hole is formed in the first connecting seat, one end of the first sleeve is sleeved with the first elbow and then welded, and the other end of the first sleeve is inserted into the first inserting hole and then welded; and a second inserting hole is formed in the second connecting seat, one end of the second sleeve is sleeved with the second elbow and then welded, and the other end of the second sleeve is inserted into the second inserting hole and then welded.

Optionally, the first connecting seat and the second connecting seat are both provided with connecting holes, and a fastening bolt fixedly connects the first connecting seat and the second connecting seat with the armrest mounting seat through the connecting holes.

Optionally, a connecting plate is arranged on the first handrail and/or the second handrail, and the first handrail and/or the second handrail are connected with the handrail mounting seat through the connecting plate.

The utility model has the advantages that:

the utility model provides a handrail holds up the pole through parallel arrangement's first pole and second, and the one end of the pole is held up to first one end of holding up the pole and the one end of second is passed through the connecting rod and is connected, and the other end of first pole is held up and is provided with first mount pad, and the other end of second pole is held up and is provided with the second mount pad, and the axis of first mount pad and the axis of second mount pad set up perpendicularly, and respectively with two mutually perpendicular's side fixed connection on the handrail mount pad. First handrail is connected through one of them side of first connecting seat and handrail mount pad to for operating personnel provides the climbing support, the second handrail passes through the second connecting seat and is connected with another side of handrail mount pad, and provides the climbing support for operating personnel. The handrail not only can provide climbing support in two directions, but also is simple to install and convenient to adjust.

Drawings

Fig. 1 is a schematic structural view of a handrail according to an embodiment of the present invention;

fig. 2 is an exploded view of a handrail according to an embodiment of the present invention;

fig. 3 is a schematic view of an assembly structure of the armrest and the armrest mounting seat according to the embodiment of the present invention.

In the figure:

100. a handrail mounting seat; 200. climbing stairs;

1. a first handrail; 2. a second handrail; 3. a connecting rod; 4. a first connecting seat; 5. a second connecting seat; 6. a support bar; 7. a first elbow; 8. a second elbow; 9. a first sleeve; 10. a second sleeve; 11. a connecting plate;

41. a first plug hole; 51. and a second plug hole.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-3, this embodiment provides a handrail, including first right pole 1 and second right pole 2 of parallel arrangement, the one end of first right pole 1 and the one end of second right pole 2 are connected through connecting rod 3, the other end of first right pole 1 is provided with first connecting seat 4, the other end of second right pole 2 is provided with second connecting seat 5, the axis of first connecting seat 4 and the axis of second connecting seat 5 set up perpendicularly, first connecting seat 4 and second connecting seat 5 respectively with handrail mount pad 100 on two mutually perpendicular's side fixed connection.

The handrail that this embodiment provided, first handrail 1 is connected with one of them side of handrail mount pad 100 through first connecting seat 4 to for operating personnel provides the climbing support, the second handrail passes through second connecting seat 5 and is connected with another side of handrail mount pad 100, and provides the climbing support for operating personnel. The handrail not only can provide climbing support in two directions, but also is simple to install and convenient to adjust.

In this embodiment, the handrail mounts 100 are provided with climbing stairs 200 on two adjacent sides, and an operator can climb from the climbing stairs 200 on either side to the upper frame of the excavator. No matter from which climbing stair 200 the operating personnel climbs, the handrail that the present embodiment provided can play the supporting role.

Optionally, the ends of the first handrail 1 and the second handrail 2 in the same direction are connected by a connecting rod 3. In this embodiment, connecting rod 3 is the U-shaped, and the U-shaped connecting rod is invertd, and the both sides wall of open end is connected with the upper end of first right bar 1 and the upper end of second right bar 2 respectively, and first connecting seat 4 is connected in the lower extreme of first right bar 1, and second connecting seat 5 is connected in the lower extreme of second right bar 2. Of course, in other embodiments, the connecting rod 3 can connect the upper end of the first handrail 1 and the lower end of the second handrail 2, the first connecting seat 4 is connected to the lower end of the first handrail 1, and the second connecting seat 5 is connected to the upper end of the second handrail 2.

Optionally, a support bar 6 is arranged between the first handrail 1 and the second handrail 2. In this embodiment, connecting rod 3 connects the one end that first handrail 1 and second handrail 2 are located the same direction, sets up bracing piece 6 between first handrail 1 and the second handrail 2 for increase the support intensity of handrail.

Preferably, the support rod 6 is provided in plurality, and the plurality of support rods 6 are arranged at intervals. In the present embodiment, two support rods 6 are provided, and the two support rods 6 are arranged in parallel. Of course, in other embodiments, the number of the support rods 6 is not limited, and may be set according to the lengths of the first handrail 1 and the second handrail 2.

In order to realize the connection between the first connecting seat 4 and the second connecting seat 5 and the armrest mounting seat 100, the first handrail 1 and the first connecting seat 4 are connected through a first elbow 7; the second handrail 2 and the second connecting seat 5 are connected by a second elbow 8.

Preferably, the first bend 7 and the second bend 8 are both made of round steel. In this embodiment, when climbing the stair 200, the operator supports the first handrail 1 and the second handrail 2 for supporting the operator, and the pressure of the operator on the first handrail 1 is concentrated on the first bend 7, and the pressure on the second handrail 2 is concentrated on the second bend 8, so the first bend 7 and the second bend 8 are prone to fatigue fracture. In order to improve the structural strength of the part which is easy to generate fatigue fracture, round steel is bent to form a first elbow 7 and a second elbow 8. The first bend 7 and the second bend 8 made of round steel have higher strength than the first bend 7 and the second bend 8 made of round tubes.

In this embodiment, the diameter of one end of the first elbow 7 close to the first handrail 1 is matched with the inner diameter of the first handrail 1, the first elbow 7 can be inserted into the first handrail 1, and the first elbow 7 is connected by welding after being inserted into the first handrail 1; second elbow 8 holds up the one end diameter of pole 2 and the internal diameter looks adaptation of second pole 2 near the second, and second elbow 8 can insert the second and hold up pole 2, and second elbow 8 inserts and holds up through welded connection behind the pole 2.

In order to increase the connection strength between the first elbow 7 and the first connecting seat 4 and the connection strength between the second elbow 8 and the second connecting seat 5 in the prior art, a plurality of reinforcing plates are usually arranged at the circumferential interval between the first elbow 7 and the first connecting seat 4, and a plurality of reinforcing plates are arranged at the circumferential interval between the second elbow 8 and the second connecting seat 5. The reinforcing plate and the first elbow 7 and the first connecting seat 4, and the reinforcing plate and the second elbow 8 and the second connecting seat 5 are connected by welding, and welding stress concentration is easily generated by a plurality of welding lines.

In order to increase the connection strength and reduce the welding stress concentration, the first elbow 7 is connected with the first connecting seat 4 through a first sleeve 9; the second elbow 8 is connected with the second connecting seat 5 through a second sleeve 10. Preferably, the first connecting seat 4 is provided with a first inserting hole 41, one end of the first sleeve 9 is sleeved with the first elbow 7 and then welded, and the other end of the first sleeve is inserted into the first inserting hole 41 and then welded; the second connecting seat 5 is provided with a second inserting hole 52, one end of the second sleeve 10 is sleeved with the second elbow 8 and then welded, and the other end of the second sleeve is inserted into the second inserting hole 52 and then welded.

Optionally, the first connecting seat 4 and the second connecting seat 5 are both provided with a connecting hole, and the fastening bolt fixedly connects the first connecting seat 4 and the second connecting seat 5 with the armrest mounting seat 100 through the connecting holes. In this embodiment, the first connecting seat 4 and the second connecting seat 5 are both fixedly connected to the armrest mounting seat 100 through fastening bolts, and are easy to detach. Of course, in other embodiments, the first connecting seat 4 and the second connecting seat 5 may be welded to the armrest mounting seat 100.

The handrail that this embodiment provided, because only the lower extreme of first handrail 1 and the lower extreme of second handrail 2 and handrail mount pad 100 fixed connection, first handrail 1 and second handrail 2 upper end can produce certain amplitude when the atress, in order to reduce the amplitude, the life of extension handrail. The first handrail 1 and/or the second handrail 2 are provided with a connecting plate 11, and are connected with the handrail mounting base 100 through the connecting plate 11. In this embodiment, the connecting plate 11 is welded in the middle position of the first handrail 1, and through fastening bolt and the connecting seat fixed connection on the handrail mount pad 100, through fastening bolt connection between connecting plate 11 and the connecting seat, easily adjust the connection deviation because of machining error causes, and increased the bulk strength of handrail. Of course, in other embodiments, the connecting plate 11 can be disposed in the middle of the second handrail 2, or the connecting plate 11 can be disposed in the middle of the first handrail 1 and the second handrail 2.

The armrest provided in this embodiment is mounted on an armrest mounting seat 100 of the excavator, and is used to support an operator climbing up an upper frame of the excavator from the front and right of the armrest mounting seat 100. Of course, the handrail provided by the embodiment can also be applied to other sides of the climbing stairs 200 which need the handrail.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a handrail, its characterized in that holds up pole (2) including parallel arrangement's first pole (1) and second, the one end of first pole (1) with second pole (2) one end is held up and is passed through connecting rod (3) and connect, the other end of first pole (1) is held up and is provided with first connecting seat (4), the other end of second pole (2) is held up and is provided with second connecting seat (5), the axis of first connecting seat (4) with the axis of second connecting seat (5) sets up perpendicularly, first connecting seat (4) with second connecting seat (5) respectively with handrail mount pad (100) on two mutually perpendicular's side fixed connection.

2. The handrail according to claim 1, characterized in that the ends of the first handrail (1) and the second handrail (2) in the same direction are connected by the connecting rod (3).

3. The handrail according to claim 2, characterized in that a support bar (6) is arranged between the first handrail (1) and the second handrail (2).

4. A handrail according to claim 3, characterized in that the support bar (6) is provided in a plurality, the plurality of support bars (6) being spaced apart.

5. The handrail according to claim 1, characterized in that the first handrail (1) and the first connecting seat (4) are connected by a first bend (7); the second support rod (2) is connected with the second connecting seat (5) through a second elbow (8).

6. A handrail according to claim 5, characterized in that the first bend (7) and the second bend (8) are both made of round steel.

7. The armrest as claimed in claim 5, characterized in that the first elbow (7) is connected with the first connecting seat (4) by means of a first sleeve (9); the second elbow (8) is connected with the second connecting seat (5) through a second sleeve (10).

8. The armrest as claimed in claim 7, wherein the first connecting seat (4) is provided with a first insertion hole (41), one end of the first sleeve (9) is sleeved with the first elbow (7) and then welded, and the other end of the first sleeve is inserted into the first insertion hole (41) and then welded; the second connecting seat (5) is provided with a second inserting hole (51), one end of the second sleeve (10) is sleeved with the second elbow (8) and then welded, and the other end of the second sleeve is inserted into the second inserting hole (51) and then welded.

9. The armrest as claimed in any one of claims 1 to 8, wherein the first connecting seat (4) and the second connecting seat (5) are each provided with a connecting hole through which a fastening bolt fixedly connects the first connecting seat (4) and the second connecting seat (5) with the armrest mounting seat (100).

10. The handrail of any one of claims 1 to 8, wherein the first handrail (1) and/or the second handrail (2) is provided with a connecting plate (11), and the handrail mounting base (100) is connected with the connecting plate (11).