CN217537146U

CN217537146U - Handrail device and excavator

Info

Publication number: CN217537146U
Application number: CN202221231728.1U
Authority: CN
Inventors: 杜冬洋; 董玉忠; 张芮; 贾存坤; 张洋; 夏雨露
Original assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Current assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-04
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a handrail device and excavator belongs to engineering machine tool technical field, aims at solving among the prior art excavator handrail and leads to handrail device structure complicacy when reducing the influence of vibration to the handrail reliability, assembles inconvenient technical problem. The handrail installation device comprises a first handrail and a second handrail, wherein the first handrail and the second handrail are vertically arranged on a platform to be installed, the second handrail comprises a first horizontal section and a second horizontal section, one end of the first horizontal section is connected with the upper part of the first handrail, the other end of the second horizontal section is connected with the platform to be installed, the first horizontal section is far away from the end, connected with the first handrail, of the first handrail, an inclined section is connected between the inclined section and the second horizontal section, and the side face of the vertical section is close to the platform to be installed; the energy-absorbing connecting assembly is arranged at the joint of the first handrail and the second handrail, and is connected with the vertical section of the second handrail and the second energy-absorbing connecting assembly of the platform to be installed. The utility model discloses when guaranteeing excavator handrail reliability for handrail device simple structure, it is convenient to assemble.

Description

Handrail device and excavator

Technical Field

The utility model relates to a handrail device and excavator belongs to engineering machine tool technical field.

Background

The excavator usually can set up the handrail on the passageway of getting on the bus to guarantee the safety of maintainer getting on or off the bus, in order to satisfy the safety standard of handrail design, the handrail height is than higher usually, and how to guarantee the reliability of handrail under the abominable vibration operating mode of excavator becomes a difficult problem. The problem of handrail reliability is solved through various modes in prior art, but its structure is more complicated, and the assembly is complicated and assembly occupation space is big.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, a handrail device and excavator is provided, pass through the horizontal segment with the one end of first handrail and second handrail and be connected through energy-absorbing coupling assembling, the horizontal segment of the other end of second handrail with treat that mounting platform is connected, and use energy-absorbing coupling assembling to be connected the vertical section of second handrail with treating the mounting platform side, in order to reach when satisfying the handrail reliability, make whole device simple structure, assemble convenient purpose.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

in a first aspect, the present invention provides a handrail device, including: the first handrail and the second handrail are vertically arranged on the platform to be installed, the second handrail comprises a first horizontal section and a second horizontal section, one end of the first horizontal section is connected with the upper portion of the first handrail, the other end of the second horizontal section is connected with the platform to be installed, the first horizontal section is far away from the end, connected with the first handrail, of the first handrail, an inclined section is connected between the inclined section and the second horizontal section, and the side face of the vertical section is close to the platform to be installed; the energy-absorbing connecting assembly is arranged at the joint of the first handrail and the second handrail, and is connected with the vertical section of the second handrail and the second energy-absorbing connecting assembly of the platform to be installed.

Further, the first and second energy-absorbing assemblies include: the clamp comprises an elastic piece sleeved on the handrail and a pipe clamp with one end clamped outside the elastic piece.

Furthermore, the elastic piece of the first energy absorption connecting assembly is sleeved on the first handrail, and the other end of the pipe clamp is connected with the end part of the second handrail.

The elastic piece of the second energy-absorbing connecting assembly is sleeved on the vertical section of the second handrail, and the other end of the pipe clamp is connected to the platform to be installed.

Further, the pipe clamp includes relative first clamping piece and the second clamping piece that sets up, but the one end of first clamping piece and second clamping piece is the end of bending of centre gripping on the handrail surface, and the other end is the fastening end, the fastening end can fasten first clamping piece and second clamping piece to be connected first clamping piece and second clamping piece with the main part of treating to be connected.

Furthermore, the middle part of the first clamping piece is provided with a welding cushion block for fixedly connecting the first clamping piece and the second clamping piece.

Further, the fastening ends of the first clip piece and the second clip piece are in threaded connection with the body to be connected.

Further, the first armrest includes: the bottom and treat the fixing base that mounting platform is connected, one end is followed the guardrail body in the fixing base is inserted at the fixing base top, and the cover is established set up on the guardrail body the elastic sheath between guardrail body and fixing base.

Further, the first handrail also comprises a fastener which penetrates through the fixed seat and the side surface of the guardrail body to fix the fixed seat and the guardrail body together.

In a second aspect, the present invention provides an excavator, comprising the armrest apparatus of any one of the first aspects.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

1. the first handrail and the second handrail are connected through the energy-absorbing connecting assemblies, the vertical section of the second handrail is connected through the energy-absorbing connecting assemblies, the influence of vibration on the handrails is reduced, the handrail is prevented from being broken, the reliability of the handrails is guaranteed, safety guarantee is provided for passengers getting on and off the bus, the whole handrail device is simple in structure, convenient to assemble and high in reliability.

2. Through setting up the fixing base bottom first handrail, the guardrail body passes elastic sheath and inserts in the fixing base, uses the fastener to fasten fixing base and guardrail body in the side simultaneously and connects, has further guaranteed whole armrest apparatus's reliability, steadiness and simple structure, and it is convenient to assemble.

Drawings

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

fig. 2 is a schematic structural view of a second handrail of the present invention;

fig. 3 is a schematic structural view of a first handrail of the present invention;

FIG. 4 is an exploded assembly view of the first energy absorbing coupling mechanism of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 4 according to the present invention;

fig. 6 is an assembly diagram of the present invention assembled on a platform.

In the figure:

1. a first armrest; 2. a second handrail; 3. a first energy absorbing assembly; 4. a second energy absorber assembly; 11. a guardrail body; 12. a fixed seat; 13. an elastic sheath; 14. a fastener; 21. a first horizontal segment; 22. an inclined section; 23. a vertical section; 24. a second horizontal segment; 31. An elastic member; 32. a pipe clamp; 321. a first clip piece; 322. a second clip;

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly specified or limited. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

As shown in fig. 1 to 6, the present embodiment provides a handrail device including a first handrail 1, a second handrail 2, and an energy-absorbing connecting assembly. The first handrail 1 is vertically arranged on the platform, the second handrail 2 is bent in multiple sections which are horizontal, vertical and inclined, one end of the second handrail is connected with the upper part of the first handrail 1 through the energy-absorbing connecting assembly, the other end of the second handrail is connected on the platform, the energy-absorbing connecting assembly is arranged on the vertical section of the second handrail 2, and the vertical section of the second handrail 2 is fixed on the side surface of the platform.

The second handrail 2 includes: the handrail comprises a first horizontal section 21 and a second horizontal section 24 at two ends, wherein one end of the first horizontal section 21 is connected to the upper part 1 of the first handrail, the first horizontal section 21 is perpendicular to the first handrail 1 and extends towards the direction far away from the first handrail 1, the rear part of the first horizontal section 21 is an inclined section 22 which inclines downwards and extends, the rear part of the inclined section 22 extends downwards to form a vertical section 23, the rear end of the vertical section 23 is connected with one end of the second horizontal section 24, and the other end of the second horizontal section 24 is connected to the mounting platform; the lengths of the horizontal sections, the vertical sections and the oblique cutting sections are determined according to actual requirements, and the vertical section 23 needs to be close to the side face of the mounting platform.

The junction of second handrail 2 and first handrail 1 hand is provided with first energy-absorbing coupling assembling 3, and simultaneously, the vertical section 23 of second handrail 2 is connected and is fixed through the second energy-absorbing coupling assembling 4 that sets up with mounting platform, and the setting of first energy-absorbing coupling assembling 3 and second energy-absorbing coupling assembling 4 has not only reduced the vibration of handrail, has guaranteed the reliability of handrail, and connects reliably, and it is convenient to assemble. The first energy absorbing connecting assembly 3 mainly comprises: the handrail comprises an elastic piece 31 and a pipe clamp 32, wherein the elastic piece 31 is sleeved on the handrail, the elastic piece 31 is a cylindrical rubber piece with a U-shaped axial section, a hole is formed in the middle of the elastic piece, and one side of the elastic piece is disconnected; the pipe clamp 32 comprises a first clamping piece 321 and a second clamping piece 322 which are oppositely arranged, one end of the first clamping piece 321 is a bending arc and matched with the handrail steel pipe, the other end of the first clamping piece 321 is provided with a 90-degree bending flange, one side close to the bending flange is provided with a mounting hole, and a welding cushion block for fixedly connecting the first clamping piece 321 and the second clamping piece 322 is arranged close to the middle position; one end of the second clamping piece 322 is a bending arc, the other end is a flat plate, and is provided with a mounting hole corresponding to the mounting hole of the first clamping piece 321; the bent ends of the first clamping piece 321 and the second clamping piece 322 clamp the elastic piece on the U-shaped groove of the elastic piece 32 from two sides so as to clamp the elastic piece on the first handrail 1, the bent ends of the first clamping piece 321 and the second clamping piece 322 have certain elastic deformation degree, and the elastic piece 31 can absorb partial stress, so that the influence of vibration on the reliability of the handrail can be reduced; the other ends of the first clamping piece 321 and the second clamping piece 322 pass through the mounting holes through bolts to be connected with the end of the first horizontal section 21 of the second handrail 2, the end of the first horizontal section 21 is a flat plate and is provided with the mounting holes, and the first clamping piece 321 and the second clamping piece 322 are fastened together by using bolts, gaskets and nuts and are connected with the second handrail 2. The second energy-absorbing connecting assembly 4 has the same structure as the first energy-absorbing connecting assembly 3, the elastic piece 31 is sleeved on the vertical section 23 of the second handrail 2, the bent ends of the first clamping piece 321 and the second clamping piece 322 are clamped on the elastic piece 31 sleeved on the second handrail 2 from two sides, the other ends of the first clamping piece and the second clamping piece pass through the mounting holes through bolts to be fastened on the side surface of the mounting platform, and a mounting cushion block fixedly connected with the mounting platform can be arranged between the side surface of the mounting platform and the vertical section 23 of the second handrail 2 to be connected with the energy-absorbing connecting assembly. The arrangement of the first energy-absorbing connecting assembly 3 and the second energy-absorbing connecting assembly 4 not only reduces the influence of vibration on the whole handrail device, prevents the handrail from being broken, ensures the reliability of the handrail device, and has simple structure and convenient and fast assembly.

The first armrest 1 mainly includes: the guardrail comprises a guardrail body 11, a fixed seat 12, an elastic sheath 13 and a fastener 14; the bottom of a fixed seat 12 is installed on an installation platform, a reinforcing rib is arranged on the side edge of the bottom, the fixed seat 12 is formed by bending and welding a seamless steel pipe and a metal plate, a guardrail body 11 is bent into a U shape by the seamless steel pipe, a cross beam and the reinforcing rib are welded in the middle, one end of the guardrail body 11 is inserted into the fixed seat steel pipe from the top of the fixed seat 12, an elastic sheath 13 sleeved on the guardrail body 11 is arranged between the fixed seat 12 and the guardrail body 11, the fixed seat 12 and the guardrail body 11 are fastened together by using a fastener 14, corresponding installation holes can be formed in the side surface of the fixed seat 12 and the side surface of the guardrail body 11 inserted into the fixed seat 12, and the fixed seat 12 and the guardrail body 11 are fastened together from the side surface by using bolts and nuts; the fixed seat 12 is arranged on one side of the first handrail 1 connected with the second handrail 2, and the other end of the guardrail body 11 can be directly fixed on the mounting platform by using a fastener; the elastic sheath 13 may be a rubber sheath. The first handrail with the structure is high in stability, and the influence of vibration can be reduced through the arranged fixing seat 12 and the elastic sheath 13, so that the reliability of the handrail device is further guaranteed.

Example 2

The present embodiment provides an excavator using the armrest apparatus of embodiment 1, and as shown in fig. 6, the armrest apparatus is schematically assembled on an excavator platform, the entire armrest is simple in structure and convenient to assemble, and the influence of excavator vibration on the reliability of the armrest is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. An armrest apparatus, comprising: the first handrail and the second handrail are vertically arranged on the platform to be installed, the second handrail comprises a first horizontal section and a second horizontal section, one end of the first horizontal section is connected with the upper portion of the first handrail, the other end of the second horizontal section is connected with the platform to be installed, the first horizontal section is far away from the end, connected with the first handrail, of the first handrail, an inclined section is connected between the inclined section and the second horizontal section, and the side face of the vertical section is close to the platform to be installed; the energy-absorbing connecting assembly is arranged at the joint of the first handrail and the second handrail, and is connected with the vertical section of the second handrail and the second energy-absorbing connecting assembly of the platform to be installed.

2. The handrail device of claim 1, wherein the first and second energy absorbing assemblies comprise: the clamp comprises an elastic piece sleeved on the handrail and a pipe clamp with one end clamped outside the elastic piece.

3. The handrail device of claim 2, wherein the resilient member of the first energy absorbing and coupling assembly is fitted over the first handrail and the other end of the pipe clamp is coupled to the second handrail end.

4. The handrail device of claim 2, wherein the resilient member of the second energy absorbing connection assembly is disposed about a vertical section of the second handrail and the opposite end of the pipe clamp is attached to the platform to be mounted.

5. The armrest apparatus of any one of claims 2-4 wherein the clamp comprises a first clip and a second clip, the first clip and the second clip being opposite to each other, the first clip and the second clip having a bent end at one end for clamping on a surface of the armrest and a fastening end at the other end for fastening the first clip and the second clip and connecting the first clip and the second clip to the body to be connected.

6. The handrail device of claim 5, wherein the first clamping piece is provided with a welding pad block at the middle thereof for fixedly connecting the first clamping piece and the second clamping piece.

7. The armrest apparatus of claim 5 wherein the fastening ends of the first and second clips are threadably coupled to the body to be coupled.

8. The handrail device of claim 1, wherein the first handrail comprises: the bottom and treat the fixing base that mounting platform is connected, one end is followed the guardrail body in the fixing base is inserted at the fixing base top, and the cover is established set up on the guardrail body the elastic sheath between guardrail body and fixing base.

9. The handrail device of claim 8, wherein the first handrail further comprises a fastener passing through the fixed base and a side of the guardrail body to secure the fixed base and the guardrail body together.

10. An excavator comprising the handrail device of any one of claims 1 to 9.