CN204161458U - A kind of pull rod device - Google Patents
A kind of pull rod device Download PDFInfo
- Publication number
- CN204161458U CN204161458U CN201420526418.1U CN201420526418U CN204161458U CN 204161458 U CN204161458 U CN 204161458U CN 201420526418 U CN201420526418 U CN 201420526418U CN 204161458 U CN204161458 U CN 204161458U
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- pull rod
- rod device
- pipe link
- fabricated section
- threaded portion
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Abstract
The utility model relates to a kind of pull rod device, comprise pipe link and be fixedly connected on two fabricated sections at pipe link two ends respectively, fabricated section is provided with the connecting bore for link, it is adjustable to make its length direction inclination predetermined angle that is axial and pipe link that pull rod device realizes connecting bore by oscillating bearing, universal-joint or tyre coupling, then achieves parts and connect in the inclination of different mounting plane; In addition, pipe link and fabricated section are threaded connection, and achieve pull rod device controllability in the longitudinal direction and easy to adjust, and applicability is strong, and reliability is high.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of pull rod device.
Background technology
In engineering machinery field, pull bar is a kind of common connecting device, and its effect connects or the fixing miscellaneous part of lifting, makes link solid and reliable.Existing pull rod device as shown in Figure 1, pull rod device comprises body of rod a1, the first connector a2, the second connector a3 and the first nut a4 be threaded with the first connector a2 and the second connector a3 respectively and the second nut a5, first connector a2 and the second connector a3 is equipped with threaded portion a21, a31 and connecting portion a22, a32, although this pull rod device achieves adjustable in length, pull rod device can only be arranged in a mounting plane.
For the parts needing to tilt to install, the special support that makes of general needs meets different angles of inclination, but installation site can not ensure when mounted, and the length of connecting device can not regulate or regulate inconvenience.In addition, also have some connection structures to adopt simple bending part or angle steel, adopt this connection mode to take up room, and affect outward appearance.
For the engineering mechanical device of special-purpose, such as, at the articulated truck of glory-hole district work, because road conditions is harsh, jolt injustice, when vehicle travels, vibration amplitude is also comparatively large, and the connecting device wherein had needs to be in tilted layout, the space layout of vehicle part can be subject to the restriction of miscellaneous part, thus higher to the performance requriements of the pull rod device of link.
Utility model content
For overcoming above technological deficiency, the purpose of this utility model is to provide a kind of pull rod device, and this pull rod device can realize connecting the inclination of parts.
For achieving the above object, the utility model provides a kind of pull rod device, comprise: pipe link and be fixedly connected on two fabricated sections at pipe link two ends respectively, fabricated section is provided with the connecting bore for link, connecting bore is adjustable makes its axially with the length direction inclination predetermined angle of pipe link.
Further, fabricated section comprises oscillating bearing, and the outer ring of oscillating bearing is connected with pipe link, and the inner ring of oscillating bearing is connecting bore.
Further, fabricated section comprises the first fabricated section and the second fabricated section, and connecting bore is located on the first fabricated section, and one end of the second fabricated section is connected with the first fabricated section by universal-joint or tyre coupling, and the other end is fixedly connected with pipe link.
Further, pipe link is double end stud, and fabricated section is spherical plain bearing rod end.
Further, also comprise the sleeve be sleeved in connecting bore, connecting bore is by sleeve connection parts.
Further, pipe link has pars intermedia and is arranged on first threaded portion at two ends, and fabricated section has the second threaded portion of coordinating with the first threaded portion and is threaded with pipe link.
Further, the thread rotary orientation of first threaded portion at two ends is contrary.
Further, also comprise the jam nut coordinated with the outside thread of the first threaded portion or the second threaded portion, jam nut can lock fabricated section.
Further, the pars intermedia of pipe link is provided with hole for pulling rotary connection bar, groove or six square shaft necks.
Thus, the beneficial effects of the utility model embody as follows:
In pull rod device, the connecting bore of fabricated section is adjustable to make its length direction inclination predetermined angle that is axial and pipe link, achieves parts and connects in the inclination of different mounting plane; In another embodiment, pipe link and fabricated section are threaded connection, and achieve pull rod device controllability in the longitudinal direction and easy to adjust, and applicability is strong, and reliability is high.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of existing pull rod device;
Fig. 2, Fig. 3 are respectively the structural representation of the first constructive embodiment in different angles of the utility model pull rod device;
Fig. 4 is the working condition chart of the first constructive embodiment at different mounting plane link of the utility model pull rod device;
Fig. 5 is the schematic diagram of the second constructive embodiment of the utility model pull rod device;
Fig. 6 is the schematic diagram of the third constructive embodiment of the utility model pull rod device.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention of the present utility model is for the ease of having further description to design of the present utility model, the technical matters solved, the technical characteristic forming technical scheme and the technique effect that brings.It should be noted that, the explanation for these embodiments is not formed restriction of the present utility model.In addition, just can mutually combine as long as the technical characteristic related in embodiment of the present utility model described below does not form conflict each other.
Consider that existing connection structure can not ensure installation site when mounted, and the length of connecting device can not regulate or regulate the problems such as inconvenient, the utility model devises a kind of novel pull rod device, namely comprise: pipe link and be fixedly connected on two fabricated sections at pipe link two ends respectively, fabricated section is provided with the connecting bore for link, and connecting bore is adjustable makes its length direction inclination predetermined angle that is axial and pipe link.
Fig. 2 and Fig. 3 shows the first constructive embodiment of the utility model pull rod device.As shown in Figures 2 and 3, pull rod device comprises pipe link 1 and is fixedly connected on two fabricated sections 2 and 3 at pipe link 1 two ends respectively, wherein fabricated section 2 and 3 is equipped with the connecting bore 4 and 5 for link, connecting bore 4 and 5 can regulate and make its length direction inclination predetermined angle that is axial and pipe link 1, connect with the inclination realizing the parts on different mounting plane, Fig. 4 shows the operating mode that pull rod device is installed under different mounting plane, and wherein dotted portion is pull rod device inclination link.Axially tilting certain angle relative to the length direction of pipe link 1 of connecting bore 4 and 5, parts are reliably connected by pull rod device, what avoid that conventional bending part or angle steel cause takes up room large and by the defect that miscellaneous part affects, has adapted to the demand of space mounting.It should be noted that, wherein the adjustable of connecting bore 4 and 5 can by changing the relative position with fabricated section 2 and 3 itself, as passed through tilting bearing, also can by changing the relative position of fabricated section 2 and 3 and pipe link 1, as passed through universal-joint or elastic coupling etc., also can be the combination of above two kinds of modes, these regulative modes can both realize the axis of connecting bore 4 and 5 and the length direction inclination predetermined angle of pipe link 1.It can be that bolt is connected that fabricated section 2 and 3 is fixedly connected with the two ends of pipe link 1, and also can be welding, can also be integrated formed structure.
In order to further illustrate the concrete structure of fabricated section 2 and 3, in one embodiment, as shown in Figures 2 and 3, the fabricated section 2 and 3 of pull rod device comprises oscillating bearing 6 and 7, oscillating bearing 6 with 7 outer ring be fixedly connected with the two ends of pipe link 1, the inner ring of oscillating bearing 6 and 7 is connecting bore 4 and 5.Oscillating bearing is a kind of plain bearing of special construction, be made up of the outer ring of Internal Spherical Surface the inner ring of spherical outside surface and one primarily of one, larger load can be born, because slidingsurface is spheric, therefore banking motion (i.e. aligning motion) can be made within the scope of certain angle, bolster and axle housing hole nonconcentricity larger time, still can normally work.So by oscillating bearing 6 and 7, pull rod device reliably can be connected to the parts of different mounting plane, be one preferred embodiment.Further, oscillating bearing 6 and 7 is spherical plain bearing rod end, and pipe link 1 is double end stud, because spherical plain bearing rod end and double end stud are commercially available conventional mechanical part and handling ease, thus the connecting device of these two kinds of parts is adopted to have low cost of manufacture, high reliability.
In order to avoid parts are in the course of the work to the wearing and tearing of connecting bore 4 and 5, in another embodiment, as shown in Figures 2 and 3, pull rod device also comprises the sleeve 8 and 9 be sleeved in connecting bore 4 and 5, and connecting bore 4 and 5 is by sleeve 8 and 9 link.Sleeve can avoid the wearing and tearing between link well, and belongs to field-replaceable unit, changes in time when sleeve wears away is serious, because it is cheap, therefore effectively can reduce the maintenance cost of pull rod device by increasing sleeve 8 and 9.
Owing to can inevitably there is Mismachining tolerance problem in the course of processing, the length of pull rod device can not connection distance completely between component, for realizing the adjustable in length of pull rod device, in another embodiment, as shown in Figures 2 and 3, the pipe link 1 of pull rod device has pars intermedia and is arranged on first threaded portion 11 at two ends, and fabricated section 2 and 3 has the second threaded portion 12 of coordinating with the first threaded portion 11 and is threaded with the two ends of pipe link 1.Be threaded connection, the length of pull rod device can regulate, and this not only avoids the connection distance problem that above-mentioned Mismachining tolerance causes, and enables pull rod device connect the parts of different distance, further increases the applicability of the utility model pull rod device.It should be noted that, when the first threaded portion 11 is outside thread, the second 12, threaded portion is the negative thread coordinated with this outside thread; When the first threaded portion 11 is negative thread, the second 12, threaded portion is the outside thread with this screw-internal thread fit.When needing the length adjusting pull rod device, only need to turn pipe link 1 or fabricated section 2 and 3.
But in some cases, the fabricated section 2 and 3 be connected with parts cannot rotate, and only has the length adjustment that could realize pull rod device by being rotationally connected bar 1.In another embodiment, as shown in Figures 2 and 3, the thread rotary orientation of first threaded portion 11 at pipe link 1 two ends is contrary, now the thread rotary orientation of the second threaded portion 12 of fabricated section 2 and 3 is also contrary, by being rotationally connected bar 1, the relative position of fabricated section 2 and 3 and pipe link 1 changes, and pull rod device elongates or shortens, and improves the convenience of pull rod device length adjustment.
In vehicle travel process, pull rod device is likely because vibration makes pipe link 1 and fabricated section 2 and 3 relatively rotate, the length of pull rod device likely changes, then dangerous operating mode is caused, the connection reliability of pull rod device can not ensure, for avoiding the generation of above-mentioned situation, in another embodiment, as shown in Figures 2 and 3, pull rod device also comprises the jam nut 10 coordinated with the outside thread of the first threaded portion 11 or the second threaded portion 12, jam nut 10 can lock fabricated section 2 and 3, to ensure in the locked condition, the relative position of fabricated section 2 and 3 and pipe link 1 does not change, the length maintenance of pull rod device is stablized constant, ensure that the connection reliability of pull rod device.It should be noted that, when the first threaded portion 11 is outside thread, the outside thread of jam nut 10 and the first threaded portion 11 is connected; When the first threaded portion 11 is negative thread, the second threaded portion 12 is negative thread, and the outside thread of jam nut 10 and the second threaded portion 12 is connected.
For the ease of being rotationally connected bar, the convenience of further raising pull rod device length adjustment, in another embodiment, as shown in Figures 2 and 3, the pars intermedia of pipe link 1 is provided with the hole 13 for pulling rotary connection bar, when needs rotary connection bar 1, only the axle coordinated with hole 13 need be penetrated hole 13, pull the length adjustment that this axle can realize pull rod device.In addition, pull rod device can also realize regulating by other alternative, such as, replace hole with groove, also can arrange six square shaft necks at the pars intermedia of pipe link 1.
Fig. 5 shows the second constructive embodiment of the utility model pull rod device.As shown in Figure 5, pull rod device comprises pipe link 1 and is fixedly connected on two fabricated sections 2 and 3 at pipe link 1 two ends respectively, wherein fabricated section 2 and 3 comprises the first fabricated section 21 and 31 and the second fabricated section 22 and 32, connecting bore 4 and 5 is located on the first fabricated section 21 and 31, second fabricated section 22 with 32 one end be connected with the first fabricated section 21 and 31 with 7 ' by universal-joint 6 ', the other end is fixedly connected with pipe link 1, pull rod device also comprises the sleeve 8 and 9 be sleeved in connecting bore 4 and 5, connecting bore 4 and 5 is by sleeve 8 and 9 link, pipe link 1 has pars intermedia and is arranged on first threaded portion 11 at two ends, fabricated section 2 and 3 has the second threaded portion 12 of coordinating with the first threaded portion 11 and is threaded with the two ends of pipe link 1, the thread rotary orientation of the first threaded portion 11 is contrary, pull rod device also comprises the jam nut 10 coordinated with the outside thread of the first threaded portion 11 or the second threaded portion 12, jam nut 10 can lock fabricated section 2 and 3, the pars intermedia of pipe link 1 is provided with the hole 13 for pulling rotary connection bar.
Fig. 6 shows the third structure of the utility model pull rod device.As shown in Figure 6, pull rod device comprises pipe link 1 and is fixedly connected on two fabricated sections 2 and 3 at pipe link 1 two ends respectively, wherein fabricated section 2 and 3 comprises the first fabricated section 21 and 31 and the second fabricated section 22 and 32, connecting bore 4 and 5 is located on the first fabricated section 21 and 31, second fabricated section 22 with 32 one end be connected with the first fabricated section 21 and 31 by tyre coupling 6 " with 7 ", the other end is fixedly connected with pipe link 1, pull rod device also comprises the sleeve 8 and 9 be sleeved in connecting bore 4 and 5, connecting bore 4 and 5 is by sleeve 8 and 9 link, pipe link 1 has pars intermedia and is arranged on first threaded portion 11 at two ends, fabricated section 2 and 3 has the second threaded portion 12 of coordinating with the first threaded portion 11 and is threaded with the two ends of pipe link 1, the thread rotary orientation of the first threaded portion 11 is contrary, pull rod device also comprises the jam nut 10 coordinated with the outside thread of the first threaded portion 11 or the second threaded portion 12, jam nut 10 can lock fabricated section 2 and 3, the pars intermedia of pipe link 1 is provided with the hole 13 for pulling rotary connection bar.
As shown in Figure 5 and Figure 6, universal-joint 6 ' and 7 ' and tyre coupling 6 " and 7 " fabricated section 2 and 3 can be made relative to the length direction run-off the straight of pipe link 1, thus make the connecting bore 4 and 5 of fabricated section 2 and 3 to regulate and make its length direction inclination predetermined angle that is axial and pipe link 1, connect with the inclination realizing the parts not on same mounting plane.Universal-joint and tyre coupling are commercially available conventional mechanical part, and therefore, the second structure and the third structure of the utility model pull rod device also have low cost of manufacture, high reliability.In addition, the second structure of pull rod device and other parts of the third structure are identical with the first structure, its beneficial effect realized and the first structure identical, do not repeat them here.
Thus, the pull rod device shown in composition graphs 2 and Fig. 3, the utility model pull rod device to parts connection procedure is: first by the connecting bore 4 of the adapter shaft of the parts of one end through pull rod device; Secondly the connecting bore 5 of adjusting yoke device and the relative position of pipe link 1 are to make the adapter shaft of the parts of the other end through connecting bore 5, and be then rotationally connected bar 1, the length of adjusting yoke device is in reliable and stable coupled condition to make two of connection parts; Finally adjust jam nut 10, make pull rod device be in locking state, complete parts and connect.
The embodiment more than combined is described in detail for embodiment of the present utility model, but the utility model is not limited to described embodiment.For a person skilled in the art, when not departing from principle of the present utility model and connotation, multiple change, amendment are carried out to these embodiments, equivalence is replaced and modification still falls within protection domain of the present utility model.
Claims (9)
1. a pull rod device, it is characterized in that, comprise: pipe link and be fixedly connected on two fabricated sections at described pipe link two ends respectively, described fabricated section is provided with the connecting bore for link, described connecting bore is adjustable makes its axially with the length direction inclination predetermined angle of described pipe link.
2. pull rod device according to claim 1, is characterized in that, described fabricated section comprises oscillating bearing, and the outer ring of described oscillating bearing is connected with described pipe link, and the inner ring of described oscillating bearing is described connecting bore.
3. pull rod device according to claim 1, it is characterized in that, described fabricated section comprises the first fabricated section and the second fabricated section, described connecting bore is located on described first fabricated section, one end of described second fabricated section is connected with described first fabricated section by universal-joint or tyre coupling, and the other end is fixedly connected with described pipe link.
4. pull rod device according to claim 1, is characterized in that, described pipe link is double end stud, and described fabricated section is spherical plain bearing rod end.
5. the pull rod device according to any one of Claims 1 to 4, is characterized in that, also comprises the sleeve be sleeved in described connecting bore, and described connecting bore is by described sleeve connection parts.
6. the pull rod device according to any one of claims 1 to 3, it is characterized in that, described pipe link has pars intermedia and is arranged on first threaded portion at two ends, and described fabricated section has the second threaded portion of coordinating with described first threaded portion and is threaded with described pipe link.
7. pull rod device according to claim 6, is characterized in that, the thread rotary orientation of described first threaded portion at two ends is contrary.
8. pull rod device according to claim 6, is characterized in that, also comprise the jam nut coordinated with the outside thread of described first threaded portion or the second threaded portion, described jam nut can lock described fabricated section.
9. pull rod device according to claim 7, is characterized in that, the pars intermedia of described pipe link be provided with for pull rotate described pipe link hole, groove or six square shaft necks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526418.1U CN204161458U (en) | 2014-09-12 | 2014-09-12 | A kind of pull rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526418.1U CN204161458U (en) | 2014-09-12 | 2014-09-12 | A kind of pull rod device |
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| Publication Number | Publication Date |
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| CN204161458U true CN204161458U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420526418.1U Active CN204161458U (en) | 2014-09-12 | 2014-09-12 | A kind of pull rod device |
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| CN (1) | CN204161458U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169656A (en) * | 2015-09-28 | 2015-12-23 | 冯义文 | Golf bag with rollers capable of being overturned |
| CN105923044A (en) * | 2016-04-28 | 2016-09-07 | 苏州市林氏精密五金标准件制造有限公司 | Specially-shaped connecting rod |
| CN106390854A (en) * | 2016-10-28 | 2017-02-15 | 浙江迦南科技股份有限公司 | Rocking granulator assembly |
| CN107399212A (en) * | 2017-07-31 | 2017-11-28 | 浙江春风动力股份有限公司 | All-terrain vehicle rear overhang attachment structure and allterrain vehicle back-wheel Tiebar structure |
| CN108328528A (en) * | 2018-02-09 | 2018-07-27 | 徐工集团工程机械有限公司 | A kind of high-altitude operating platform machinery retaining mechanism |
| CN108725581A (en) * | 2018-08-15 | 2018-11-02 | 重庆望江工业有限公司 | A kind of trailer steering linkage assembly |
| CN109318985A (en) * | 2017-07-31 | 2019-02-12 | 比亚迪股份有限公司 | A kind of pitman arm and its angle adjusting method |
| CN109323107A (en) * | 2018-10-30 | 2019-02-12 | 中国北方发动机研究所(天津) | A kind of two or four stroke aligning connecting rods |
| CN113231592A (en) * | 2021-05-24 | 2021-08-10 | 荣成华东锻压机床股份有限公司 | Device and method for preventing loosening of height adjustment of lower ejection die filling of hot die forging machine |
| CN113757035A (en) * | 2020-06-04 | 2021-12-07 | 乌鲁木齐金风天翼风电有限公司 | Sectional type blade, manufacturing method thereof and wind generating set |
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2014
- 2014-09-12 CN CN201420526418.1U patent/CN204161458U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169656A (en) * | 2015-09-28 | 2015-12-23 | 冯义文 | Golf bag with rollers capable of being overturned |
| CN105923044A (en) * | 2016-04-28 | 2016-09-07 | 苏州市林氏精密五金标准件制造有限公司 | Specially-shaped connecting rod |
| CN106390854A (en) * | 2016-10-28 | 2017-02-15 | 浙江迦南科技股份有限公司 | Rocking granulator assembly |
| CN107399212A (en) * | 2017-07-31 | 2017-11-28 | 浙江春风动力股份有限公司 | All-terrain vehicle rear overhang attachment structure and allterrain vehicle back-wheel Tiebar structure |
| CN109318985A (en) * | 2017-07-31 | 2019-02-12 | 比亚迪股份有限公司 | A kind of pitman arm and its angle adjusting method |
| CN108328528A (en) * | 2018-02-09 | 2018-07-27 | 徐工集团工程机械有限公司 | A kind of high-altitude operating platform machinery retaining mechanism |
| CN108725581A (en) * | 2018-08-15 | 2018-11-02 | 重庆望江工业有限公司 | A kind of trailer steering linkage assembly |
| CN109323107A (en) * | 2018-10-30 | 2019-02-12 | 中国北方发动机研究所(天津) | A kind of two or four stroke aligning connecting rods |
| CN113757035A (en) * | 2020-06-04 | 2021-12-07 | 乌鲁木齐金风天翼风电有限公司 | Sectional type blade, manufacturing method thereof and wind generating set |
| CN113231592A (en) * | 2021-05-24 | 2021-08-10 | 荣成华东锻压机床股份有限公司 | Device and method for preventing loosening of height adjustment of lower ejection die filling of hot die forging machine |
| CN113231592B (en) * | 2021-05-24 | 2022-01-14 | 荣成华东锻压机床股份有限公司 | Anti-loosening method and device for adjusting height of lower ejection die-filling of hot die forging machine |
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