CN204690554U - The protective frame of road roller - Google Patents
The protective frame of road roller Download PDFInfo
- Publication number
- CN204690554U CN204690554U CN201520402930.XU CN201520402930U CN204690554U CN 204690554 U CN204690554 U CN 204690554U CN 201520402930 U CN201520402930 U CN 201520402930U CN 204690554 U CN204690554 U CN 204690554U
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- CN
- China
- Prior art keywords
- link
- joint pin
- connecting portion
- protective frame
- support portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides the protective frame of road roller, belongs to field of mechanical technique.The protective frame it solving existing road roller installs inconvenient problem.The protective frame of this road roller comprises the support body taken the shape of the letter U, support body comprises two all cylindrical links, all against there being link on the end face of each link, two links are all V-shaped, link comprises and is horizontally disposed with and has the fixed part of bolt hole and be obliquely installed and the connecting portion offseted with link end face, the lateral wall of connecting portion has joint pin, joint pin has external screw thread, joint pin and link are by same material disposal molding, the sidewall of link has the support portion of protruding in tabular, support portion parallels with connecting portion, support portion is run through and has the through hole relative with joint pin, joint pin is located in through hole, joint pin is bolted with nut, the two sides of support portion respectively with connecting portion together with nut tight abutment.The protective frame of this road roller has advantage easy for installation.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the protective frame of a kind of protective frame, particularly road roller.
Background technology
Traditional road roller protective frame is all that rear being directly fixed in frame assembled by multiple rod member, and the requirement on machining accuracy of such structure to rod member is higher, is difficult to install, increases the time that protective frame is installed if size occurs that deviation becomes.
For this situation, people have recognized this deficiency, and carry out improvement, as the adjustable protective frame of a kind of road roller [application number: 201320855877.X that Chinese patent literature data openly proposes; Authorization Notice No.: CN 203639790 U], comprise protection support body, separately there are two ends with the U-shaped adjusting joint of bolt hole, the end of protection support body is fixed by one end of bolt and adjusting joint, penetrates bolt for fixing with the tie point on body in the other end bolt hole of adjusting joint.
Above-mentioned protective frame when mounted, can swivel joint with the installation selecting setting angle to complete protective frame, there is the speed that can improve and install, and reduce the advantage of set-up time.But still there is a problem in this protective frame: the junction of joint and protection support body is positioned at inside joint, when bolt is installed, first make the connecting hole of connecting hole on joint and protective frame to it, then bolt is screwed on, whole process installation personnel all needs to possess a person to install, and operation is inconvenience comparatively.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of protective frame of road roller easy for installation.
The purpose of this utility model realizes by following technical proposal: the protective frame of road roller, comprise the support body taken the shape of the letter U, this support body comprises two all cylindrical links, all against there being link on the end face of each described link, it is characterized in that, link described in two is all V-shaped, described link comprises and is horizontally disposed with and has the fixed part of bolt hole and be obliquely installed and the connecting portion offseted with link end face, and link and described connecting portion perpendicular, the lateral wall of described connecting portion has joint pin, described joint pin there is external screw thread and this joint pin and connecting portion perpendicular, described joint pin and link are by same material disposal molding, the sidewall of described link has the support portion of protruding in tabular, and support portion parallels with described connecting portion, support portion is run through and has the through hole relative with joint pin, and joint pin is located in through hole, described joint pin is bolted with nut, and the two sides of described support portion respectively with connecting portion together with nut tight abutment.
During installation, two connecting portions all by through bolt hole and the bolt be locked in installing rack be connected with installing rack, and now bolt is in pre-tightening state; Then one of them link turns to assigned address around bolt axis, and support body one end is set on joint pin by the support portion being positioned at the same side, and support portion is fixed by nut and link; Then being rotationally connected frame makes it reset, the support body other end also by the support portion that is positioned at the same side with fix with link joint pin and coordinating of nut, finally bolt is screwed, makes together with whole protective frame is stably fixed at the installing rack on road roller.
The support portion be positioned at outside link is located in by arranging joint pin, the position that link is connected with support body is directly exposed in the visual line of sight of installation personnel, be positioned at inside joint relative to the junction of prior art center tap and protection support body, facilitate installation personnel tightening nut, thus facilitate the installation of this protective frame.By arranging in through hole that joint pin is located on support portion, support body and link being played to the effect of pre-determined bit, thus having further facilitated screwing of nut, then having further facilitated the installation of protective frame.Link and joint pin, by same material disposal molding, are split type this technical scheme of structure relative to link and joint pin, to omit the installation steps of this protective frame, thus improve the property easy for installation of this protective frame further.
In the protective frame of above-mentioned road roller, the inside wall of described through hole is the face of cylinder, and described joint pin is cylindric, and the aperture of the diameter of joint pin and through hole matches.
Namely the diameter of joint pin is slightly less than the aperture of through hole, to reduce the gap between joint pin sidewall and through hole inside wall, to improve the stability that joint pin is connected with support portion, thus reduce rocking of producing when nut of support body, to improve the smoothness of tightening nut, thus improve the property easy for installation of this protective frame further.
In the protective frame of above-mentioned road roller, the sidewall of described joint pin away from the end of link has tapered spigot surface, described spigot surface extends on the end face of joint pin away from this end of link.
By arranging tapered spigot surface, joint pin being inserted in through hole and playing good guide effect, joint pin is inserted in through hole comparatively swimmingly, effectively to improve the property easy for installation of protective frame.
In the protective frame of above-mentioned road roller, the contact surface that described support portion offsets with connecting portion is plane, and the contact surface that described connecting portion offsets with support portion is also plane.
Adopt above-mentioned structure, effectively improve the contact area of connecting portion and support portion, thus the stability that raising connecting portion is connected with support portion, to improve the job stability of this protective frame.
Compared with prior art, the protective frame of this road roller has the following advantages:
1, be located in by arranging joint pin the support portion be positioned at outside link, the position that link is connected with support body is directly exposed in the visual line of sight of installation personnel, be positioned at inside joint relative to the junction of prior art center tap and protection support body, facilitate installation personnel tightening nut, thus facilitate the installation of this protective frame.
2, by arranging in through hole that joint pin is located on support portion, support body and link being played to the effect of pre-determined bit, thus having further facilitated screwing of nut, then having further facilitated the installation of protective frame.
3, link and joint pin are by same material disposal molding, are split type this technical scheme of structure relative to link and joint pin, to omit the installation steps of this protective frame, thus improve the property easy for installation of this protective frame further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the protective frame of this road roller.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
In figure, 1, support body; 1a, link; 1b, support portion; 2, link; 2a, fixed part; 2b, connecting portion; 2c, joint pin; 2c1, spigot surface; 3, bolt; 4, installing rack; 5, nut.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, the protective frame of this road roller is made up of support body 1 and link 2.Wherein, support body 1 takes the shape of the letter U, and link 2 is V-shaped.
Support body 1 comprises two all cylindrical link 1a, and two link 1a are all obliquely installed.Link 2 has two and is all located on the downside of support body 1, and two links 2 offset with the end face of two link 1a respectively.Specifically, each link 2 includes horizontally disposed fixed part 2a and is obliquely installed and the connecting portion 2b offseted with link 1a end face, wherein, fixed part 2a is provided with bolt hole, and when actual installation, as shown in Figure 1, two connecting portion 2b all by through bolt hole and the bolt 3 be locked in the installing rack 4 of street roller be connected with installing rack 4.The connecting portion 2b of each link 1a all with corresponding is perpendicular.
As depicted in figs. 1 and 2, the lateral wall of connecting portion 2b has joint pin 2c, joint pin 2c has external screw thread and this joint pin 2c and connecting portion 2b is perpendicular.In the present embodiment, joint pin 2c and link 2 are by same material disposal molding, and above-mentioned material is iron or stainless steel.The sidewall of link 1a has the support portion 1b protruded in tabular, and support portion 1b parallels with connecting portion 2b.Support portion 1b runs through and has the through hole relative with joint pin 2c, and joint pin 2c is located in through hole.Joint pin 2c is bolted with nut 5, and the two sides of support portion 1b respectively with connecting portion 2b together with nut 5 tight abutment.
Further illustrate, the inside wall of through hole is the face of cylinder, and joint pin 2c is cylindric, and the diameter of joint pin 2c and the aperture of through hole match.Namely the diameter of joint pin 2c is slightly less than the aperture of through hole, to reduce the gap between joint pin 2c sidewall and through hole inside wall, to improve the stability that joint pin 2c is connected with support portion 1b.As shown in Figure 2, the sidewall of joint pin 2c away from the end of link 2 has tapered spigot surface 2c1, spigot surface 2c1 extends on the end face of joint pin 2c away from this end of link 2.Further optimization, the contact surface that support portion 1b offsets with connecting portion 2b is plane, the contact surface that connecting portion 2b offsets with support portion 1b is also plane, effectively to improve the contact area of connecting portion 2b and support portion 1b, thus the stability that raising connecting portion 2b is connected with support portion 1b, improve the job stability of this protective frame.
During installation, two connecting portion 2b all by through bolt hole and the bolt 3 be locked in installing rack 4 be connected with installing rack 4, and now bolt 3 is in pre-tightening state; Then one of them link 2 turns to assigned address around bolt 3 axis, and support body 1 one end is set on joint pin 2c by the support portion 1b being positioned at the same side, and support portion 1b is fixed by nut 5 and link 2; Then being rotationally connected frame 2 makes it reset, support body 1 other end also by the support portion 1b that is positioned at the same side with fix with link 2 joint pin 2c and coordinating of nut 5, finally bolt 3 is screwed, make together with whole protective frame is stably fixed at the installing rack 4 on road roller.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. the protective frame of road roller, comprise the support body taken the shape of the letter U, this support body comprises two all cylindrical links, all against there being link on the end face of each described link, it is characterized in that, link described in two is all V-shaped, described link comprises and is horizontally disposed with and has the fixed part of bolt hole and be obliquely installed and the connecting portion offseted with link end face, and link and described connecting portion perpendicular, the lateral wall of described connecting portion has joint pin, described joint pin there is external screw thread and this joint pin and connecting portion perpendicular, described joint pin and link are by same material disposal molding, the sidewall of described link has the support portion of protruding in tabular, and support portion parallels with described connecting portion, support portion is run through and has the through hole relative with joint pin, and joint pin is located in through hole, described joint pin is bolted with nut, and the two sides of described support portion respectively with connecting portion together with nut tight abutment.
2. the protective frame of road roller according to claim 1, is characterized in that, the inside wall of described through hole is the face of cylinder, and described joint pin is cylindric, and the aperture of the diameter of joint pin and through hole matches.
3. the protective frame of road roller according to claim 2, is characterized in that, the sidewall of described joint pin away from the end of link has tapered spigot surface, and described spigot surface extends on the end face of joint pin away from this end of link.
4. the protective frame of road roller according to claim 1, is characterized in that, the contact surface that described support portion offsets with connecting portion is plane, and the contact surface that described connecting portion offsets with support portion is also plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402930.XU CN204690554U (en) | 2015-06-11 | 2015-06-11 | The protective frame of road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402930.XU CN204690554U (en) | 2015-06-11 | 2015-06-11 | The protective frame of road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204690554U true CN204690554U (en) | 2015-10-07 |
Family
ID=54230864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520402930.XU Withdrawn - After Issue CN204690554U (en) | 2015-06-11 | 2015-06-11 | The protective frame of road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204690554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436535A (en) * | 2016-10-11 | 2017-02-22 | 陕西中大机械集团有限责任公司 | Rubber-tired road roller safety protection device for preventing people from being hit or rolled over |
| CN107165028A (en) * | 2017-06-05 | 2017-09-15 | 金乡县华驰工程机械有限公司 | A kind of impact roller protective frame |
| CN108265592A (en) * | 2017-01-03 | 2018-07-10 | 甘肃恒通路桥工程有限公司 | Road roller mechanical elevating safety device |
-
2015
- 2015-06-11 CN CN201520402930.XU patent/CN204690554U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436535A (en) * | 2016-10-11 | 2017-02-22 | 陕西中大机械集团有限责任公司 | Rubber-tired road roller safety protection device for preventing people from being hit or rolled over |
| CN108265592A (en) * | 2017-01-03 | 2018-07-10 | 甘肃恒通路桥工程有限公司 | Road roller mechanical elevating safety device |
| CN107165028A (en) * | 2017-06-05 | 2017-09-15 | 金乡县华驰工程机械有限公司 | A kind of impact roller protective frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151007 Effective date of abandoning: 20170815 |