CN215926139U - Handrail device for construction machine and excavator - Google Patents
Handrail device for construction machine and excavator Download PDFInfo
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- CN215926139U CN215926139U CN202121879318.3U CN202121879318U CN215926139U CN 215926139 U CN215926139 U CN 215926139U CN 202121879318 U CN202121879318 U CN 202121879318U CN 215926139 U CN215926139 U CN 215926139U
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Abstract
The utility model relates to an armrest device, aiming at solving the problems of difficult installation and internal stress after installation caused by manufacturing errors of the existing armrest device for engineering machinery, the armrest device for the engineering machinery and an excavator are constructed, wherein the armrest device for the engineering machinery comprises a holding rod, a first supporting rod and a second supporting rod, the top of the first supporting rod is structurally connected with the end part of the holding rod, the first supporting rod and the second supporting rod are vertically arranged, the lower end of the first supporting rod is provided with a horizontal rod-shaped part fixed in a first installation seat pipe clamp, and the lower end of the second supporting rod is provided with a vertical rod-shaped part fixed in a second installation seat pipe clamp.
Description
Technical Field
The present invention relates to an armrest apparatus, and more particularly, to an armrest apparatus for an engineering machine and an excavator.
Background
Large-scale engineering machinery is generally provided with a boarding passage for boarding a platform at the top of the machine, and a handrail device is arranged beside the boarding passage to ensure the safety of people walking on the boarding passage.
The existing handrail device mainly comprises a steel pipe, the handrail device comprises two vertical supporting rods and a holding rod connected between the tops of the two supporting rods, the holding rod and the supporting rods are formed by a bending process or a welding process, an installation seat is welded at the lower end of each supporting rod, and the installation seat is fixedly connected with an installation platform through bolts. Due to the problems of manufacturing and installation accuracy, the installation position for butting with the installation seat on the installation platform deviates from the installation seat, and one installation seat needs to be correspondingly deviated when the handrail device is installed. The offset of the mount will result in elastic distortion of the armrest apparatus. The mounting seat is offset relative to the mounting position, and the mounting seat needs to be aligned with the mounting position by hand against the distortion of the handrail device during mounting, which not only increases the mounting difficulty of the handrail device, but also generates large stress in the handrail device, especially at welding positions, such as the welding position of the supporting rod and the mounting seat and the welding position of the supporting rod and the handrail, thereby possibly causing the risk of weld cracking.
SUMMERY OF THE UTILITY MODEL
The utility model provides an armrest device for engineering machinery and an excavator, aiming at solving the technical problems that the existing armrest device for engineering machinery is difficult to install due to manufacturing errors and internal stress exists after installation, and the armrest device is convenient to install and the internal stress after installation is reduced.
The technical scheme for realizing the purpose of the utility model is as follows: the handrail device for the engineering machinery comprises a handrail, a first supporting rod and a second supporting rod, wherein the top of the handrail is connected with the integrated structure of the end part of the handrail, the first supporting rod and the second supporting rod are vertically arranged, a first mounting seat and a second mounting seat are correspondingly arranged at the lower ends of the first supporting rod and the second supporting rod, the handrail device is characterized in that the first mounting seat and the second mounting seat respectively comprise a seat plate and a pipe clamp fixed on the seat plate, a mounting hole matched with a bolt is formed in the seat plate, a horizontal rod-shaped part is arranged at the lower end of the first supporting rod, a vertical rod-shaped part is arranged at the lower end of the second supporting rod, the horizontal rod-shaped part is clamped and fixed in the pipe clamp of the first mounting seat, and the vertical rod-shaped part is clamped and fixed in the pipe clamp of the second mounting seat. In the utility model, the first support rod can move horizontally along the axial direction of the horizontal rod-shaped part within a certain range relative to the first mounting seat, and can also rotate relatively around the axis of the horizontal rod-shaped part; the second supporting rod can vertically move along the axial direction of the vertical rod-shaped part in a certain range relative to the second mounting seat, and can also relatively rotate around the axis of the vertical rod-shaped part, so that the multi-degree-of-freedom movement adjustment can be realized, the elastic deformation caused by the twisting of the supporting rod and the holding rod is avoided, and the supporting rod and the holding rod are in a natural state when the first mounting seat and the second mounting seat are fixed, and the mounting is convenient.
In the armrest apparatus for construction machinery, an axis of the horizontal rod-shaped portion is parallel to an installation fitting surface of the first installation seat, and an axis of the vertical rod-shaped portion is parallel to an installation fitting surface of the second installation seat.
In the above armrest apparatus for construction machinery, the lower end of the first support rod is of an annular structure, and the horizontal rod-shaped portion is constituted by a bottom structure of the annular structure.
In the above armrest device for construction machinery, the horizontal rod-shaped portion is located higher than the vertical rod-shaped portion.
In the above handrail device for construction machinery, the outer side surfaces of the horizontal rod-shaped portion and the vertical rod-shaped portion are both cylindrical surfaces.
In the armrest apparatus for construction machinery, the pipe clamp is formed by an arched pressing plate fixed to the corresponding seat plate by bolts.
In the armrest apparatus for construction machinery, the pipe clamp is composed of a first clamp plate fixed to the corresponding seat plate and a second clamp plate fixed to the first clamp plate by a locking bolt.
The technical scheme for realizing the purpose of the utility model is as follows: the excavator is characterized in that the armrest device for the engineering machinery is arranged on an upper vehicle channel. The first mounting seat is fixedly mounted on a horizontal plane, and the second mounting seat is fixedly mounted on a vertical plane.
Compared with the prior art, the handrail device for the engineering machinery has the advantages that the first support rod and the second support rod of the handrail device for the engineering machinery and the corresponding mounting seats are adjusted in multiple degrees of freedom, the manufacturing and processing requirements of the mounting positions are reduced, the handrail device is convenient to mount, and no internal stress exists between the mounted support rods and the mounted handrail.
Drawings
Fig. 1 is a schematic structural view of a handrail in the handrail device for construction machinery according to the present invention.
Fig. 2 is a schematic view of an installation structure of the armrest apparatus for construction machinery according to the present invention on the excavator.
Part names and serial numbers in the figure:
the excavator support rod comprises a support rod 1, a first support rod 2, a horizontal rod-shaped part 21, a second support rod 3, a vertical rod-shaped part 31, a first mounting seat 4, a pipe clamp 41, a seat plate 42, a second mounting seat 5, an excavator rotary platform, a diesel oil tank 62 and a tool box 63.
Detailed Description
The following description of the embodiments refers to the accompanying drawings.
As shown in fig. 1, the armrest apparatus for construction machinery in this embodiment includes a handrail 1, and a first support bar 2 and a second support bar 3, the tops of which are structurally connected with an end of the handrail 1 and are vertically arranged, and a first mounting seat 4 and a second mounting seat 5 are correspondingly disposed at the lower ends of the first support bar and the second support bar.
As shown in fig. 1 and 2, the first mounting seat 4 includes a seat plate 42 and a pipe clamp 41 fixed to the seat plate 42, and the seat plate 42 is provided with mounting holes for fitting bolts. The lower end of the first strut 2 is provided with a horizontal rod-shaped part 21, the lower end of the second strut 3 is provided with a vertical rod-shaped part 31, the horizontal rod-shaped part 21 is clamped and fixed in a pipe clamp 41 of the first mounting seat 4, and the vertical rod-shaped part 31 is clamped and fixed in a pipe clamp of the second mounting seat 5. The outer side surfaces of the horizontal rod-shaped portion 21 and the vertical rod-shaped portion 31 are both cylindrical surfaces.
As shown in fig. 1, the lower end of the first strut 2 is of a ring structure, and the horizontal rod portion 21 is formed of a bottom structure of the ring structure.
As shown in fig. 2, a tool box 63 and a diesel tank 62 are provided on a revolving platform 61 of an excavator, and the tool box 63 and the diesel tank 62 have different heights to form a ladder structure, thereby forming an upper tunnel of the excavator, and the armrest device for construction machinery is mounted on the upper tunnel.
The first mounting seat 4 is fixedly mounted on the top surface of the diesel tank 62 by bolts, the second mounting seat 5 is fixed on the front side surface of the revolving platform 61 by bolts, and the horizontal rod-shaped part 21 is higher than the vertical rod-shaped part 31. The axis of the horizontal rod-shaped part 21 is parallel to the mounting fitting surface of the first mounting seat (the top horizontal surface of the diesel tank), and the axis of the vertical rod-shaped part is parallel to the mounting fitting surface of the second mounting seat (the front side surface of the rotary platform).
In the present embodiment, the pipe clamp 41 in the first mounting seat 4 and the pipe clamp in the second mounting seat 5 are each formed by an arched pressing plate bolted to the corresponding seat plate. In a specific implementation, the pipe clamp can also be composed of a first clamping plate fixed on the corresponding seat plate and a second clamping plate fixed on the first clamping plate through a locking bolt.
In the embodiment, the first strut 2 can move horizontally along the axial direction of the horizontal rod-shaped part 21 within a certain range relative to the first mounting seat 4, and can also rotate relatively around the axial center of the horizontal rod-shaped part 21; the second supporting rod 31 can vertically move along the axial direction of the vertical rod-shaped part 31 in a certain range relative to the second mounting seat 5, and can also relatively rotate around the axis of the vertical rod-shaped part 31, so that the multi-degree-of-freedom movement adjustment can be realized, the elastic deformation caused by the twisting of the supporting rod and the holding rod is avoided, and the supporting rod and the holding rod are in a natural state when the first mounting seat and the second mounting seat are fixed, and the mounting is convenient.
Claims (9)
1. The utility model provides an armrest apparatus for engineering machine tool, includes holding up pole, top and the integrative structural connection of holding up pole tip and vertical arrangement's first branch and second branch, corresponds at the lower extreme of first branch and second branch and is provided with first mount pad and second mount pad, its characterized in that first mount pad and second mount pad all include the bedplate and fix the pipe clamp at the bedplate, be provided with on the bedplate and be used for cooperating the mounting hole with the bolt, the lower extreme of first branch has horizontal shaft-like portion, the lower extreme of second branch has vertical shaft-like portion, horizontal shaft-like portion presss from both sides tightly to be fixed in the pipe clamp of first mount pad, vertical shaft-like portion presss from both sides tightly to be fixed in the pipe clamp of second mount pad.
2. The armrest apparatus for construction machinery as claimed in claim 1, wherein the axis of the horizontal rod-shaped portion is parallel to the mounting engagement surface of the first mounting seat, and the axis of the vertical rod-shaped portion is parallel to the mounting engagement surface of the second mounting seat.
3. The armrest apparatus for construction machinery as claimed in claim 1, wherein the lower end of the first support rod is of a ring structure, and the horizontal rod-shaped portion is constituted by a bottom structure of the ring structure.
4. The armrest apparatus for construction machinery according to claim 1, wherein the horizontal rod portion is located at a higher height than the vertical rod portion.
5. The handrail device for construction machinery according to claim 1, wherein outer side surfaces of the horizontal rod-shaped portion and the vertical rod-shaped portion are both cylindrical surfaces.
6. The armrest apparatus for construction machinery as claimed in any one of claims 1 to 5, wherein the pipe clamp is constituted by an arcuate clamp plate bolted to the corresponding seat plate.
7. The armrest apparatus for construction machinery according to any one of claims 1 to 5, wherein the pipe clamp is constituted by a first clamp plate fixed to the corresponding seat plate and a second clamp plate fixed to the first clamp plate by a lock bolt.
8. An excavator, wherein the handrail device for construction machinery according to any one of claims 1 to 7 is installed on an upper tunnel thereof.
9. The excavator of claim 8 wherein the first mount is fixedly mounted on a horizontal surface and the second mount is fixedly mounted on a vertical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121879318.3U CN215926139U (en) | 2021-08-12 | 2021-08-12 | Handrail device for construction machine and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121879318.3U CN215926139U (en) | 2021-08-12 | 2021-08-12 | Handrail device for construction machine and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215926139U true CN215926139U (en) | 2022-03-01 |
Family
ID=80422431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121879318.3U Active CN215926139U (en) | 2021-08-12 | 2021-08-12 | Handrail device for construction machine and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215926139U (en) |
-
2021
- 2021-08-12 CN CN202121879318.3U patent/CN215926139U/en active Active
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