CN204138295U - A kind of two slideway pull bar tilting limiting mechanism - Google Patents
A kind of two slideway pull bar tilting limiting mechanism Download PDFInfo
- Publication number
- CN204138295U CN204138295U CN201420617173.3U CN201420617173U CN204138295U CN 204138295 U CN204138295 U CN 204138295U CN 201420617173 U CN201420617173 U CN 201420617173U CN 204138295 U CN204138295 U CN 204138295U
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- CN
- China
- Prior art keywords
- slideway
- pull rod
- pull bar
- limiting mechanism
- slide plate
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- 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.)
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Abstract
The utility model provides a kind of two slideway pull bar tilting limiting mechanism, and comprising: limit pull rod, this limit pull rod lower end is rotationally connected by bottom bearing pin and mount pad; Slideway assembly, this slideway assembly comprises parallel the first slideway of being oppositely arranged and the second slideway, is fixedly connected with, is provided with slide plate in this skateboards slot between this first slideway with second slideway by skateboards slot; Described first slideway and the second slideway are connected by guide locating device provided with described limit pull rod upper end, described limit pull rod can on slide plate slide anteroposterior; Described slideway assembly upper end and push rod component are rotationally connected.The utility model utilizes two slideway pull bar guide-localization, can play position-limiting action at wheelhouse tipping to needed for certain during angle, and stable connection, safety, reliably; There is automatic guide ability, in operator's compartment return process, automatically can follow return, not occur the phenomenons such as stuck, other strength; Flexibly, repeatedly use repeatly is reliable, and it is convenient to assemble in motion.
Description
Technical field
The utility model relates to a kind of two slideway pull bar tilting limiting mechanism, protects when being mainly used for tumbling to forklift steering room, and this mechanism can also be popularized and applied to and variously need spacing field of tumbling, as carrier-and-stacker, tractor truck, lifting platform class mechanically.
Background technology
Large-tonnage fork truck (particularly more than 10 tons heavy forklifts) when needing to be serviced, keeping in repair, because the covering of operator's compartment large volume is blocked, not easy-maintaining.The cabin design of fork truck can be can tilt bed by conveniently maintenance and repair.Dump ram lifting is utilized to make wheelhouse tipping, to reach the object maintained easily.After service is complete, operator's compartment can returning quickly to return to mode of operation, without the need to carrying out dismounting, lifting to operator's compartment.In actual applications, wheelhouse tipping angle more maintains easily more greatly, if but angle excessive (40 ~ 45 °), operator's compartment center of gravity exceedes supporting centre of gration, just there will be the danger of excessively rollover, although flexible cylinder piston rod itself has certain stopping function, still dangerous when meeting accident (oil cylinder inefficacy, oil pipe burst, seepage etc.).
Current Forklift Industry market adopts conventional squash type spacing, there is following shortcoming: 1, change inconvenient, stressed causing spacingly lost efficacy gradually for a long time; 2, mechanism's relative motion is dumb, easily occurs stuck phenomenon, makes operator's compartment be difficult to return; 3, generally unlubricated, cause serious wear, or have lubrication to need continuous grease up, inconvenient operation, cleanliness level is poor; 4, friction drag is large, brings extra power consumption.
Utility model content
Bring danger to prevent operator's compartment when tumbling because flip angle is large, the utility model provides a kind of spacing reliable, fluent motion, not easily stuck, not easily wear out failure reusable pair of slideway pull bar tilting limiting mechanism.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of two slideway pull bar tilting limiting mechanism, comprising: limit pull rod, this limit pull rod lower end is rotationally connected by bottom bearing pin and mount pad; Slideway assembly, this slideway assembly comprises parallel the first slideway of being oppositely arranged and the second slideway, is fixedly connected with, is provided with slide plate in this skateboards slot between this first slideway with second slideway by skateboards slot; Described first slideway and the second slideway are connected by guide locating device provided with described limit pull rod upper end, described limit pull rod can on slide plate slide anteroposterior; Described slideway assembly upper end and push rod component are rotationally connected.
Further, describedly guide locating device providedly the spacing bearing pin and the alignment pin that are outwards successively set on limit pull rod upper end along limit pull rod length direction is comprised.When wheelhouse tipping is to set angle, limit pull rod moves to end position, and is held by slideway assembly by spacing bearing pin, and alignment pin now keeps directional tagging, makes limit pull rod and slideway center conllinear, also becomes the second insurance of spacing bearing pin simultaneously.
Conveniently overhaul and change slide plate, further, described skateboards slot comprises the upper slide groove and downslide board slot that are misplaced in slideway assembly both sides up and down, and such design may be used for regard to there being enough spaces slide plate of taking, and changes and facilitates efficiency high.
Described first slideway and the second slideway are symmetrically arranged elliptical ring component.
Described slide plate is that graphite inlays slide plate, and described graphite is inlayed between slide plate and skateboards slot and fixed by socket head cap screw.Adopt graphite to inlay lubrication, without the need to adding lubricant, wear and tear little, the life-span is high.Inlay slide plate due to limit pull rod and graphite to contact simultaneously, make friction force during whole mechanism kinematic minimum on the one hand, which reduce the waste of extra power, mechanism's light and flexible, the lubricant medium of slide plate is the graphite inlayed on the other hand, durable in use, without the need to other charging-up lubricant oil or grease, cleanliness level is high, cost-saving.
Described push rod component comprises the fix shaft for being fixedly connected with component chassis of tumbling, and this fix shaft is rotationally connected by top carrying bearing pin and slideway assembly upper end.
From above technical scheme, the utility model utilizes two slideway pull bar guide-localization, can play position-limiting action at wheelhouse tipping to needed for certain during angle, and stable connection, safety, reliably; There is automatic guide ability, in operator's compartment return process, automatically can follow return, not occur the phenomenons such as stuck, other strength; Flexibly, repeatedly use repeatly is reliable, and it is convenient to assemble in motion.
Accompanying drawing explanation
Fig. 1 is the front view of the two slideway pull bar tilting limiting mechanism of the utility model;
Fig. 2 is the birds-eye view of the two slideway pull bar tilting limiting mechanism of the utility model;
Fig. 3 is the exploded drawings of the two slideway pull bar tilting limiting mechanism of the utility model;
Fig. 4 is the exploded drawings of the utility model middle slideway assembly;
Fig. 5 is the structural representation of the utility model middle slide plate groove;
Fig. 6 is the structural representation that in the utility model, graphite inlays slide plate;
Fig. 7 is the assembling schematic diagram of the two slideway pull bar tilting limiting mechanism of the utility model;
Fig. 8 is the two view of slideway pull bar tilting limiting mechanism when operator's compartment lifting of the utility model, and shows sense of motion and Impact direction;
Fig. 9 is the view of limit pull rod when drawing high end position in Fig. 8;
Figure 10 is the rotating tendency schematic diagram that the two slideway pull bar tilting limiting mechanism of the utility model is supposed when operator's compartment declines to occur;
Figure 11 is the two view of slideway pull bar tilting limiting mechanism when operator's compartment declines of the utility model, and shows sense of motion and Impact direction.
In figure: 100, limit pull rod, 200, mount pad, 201, bottom bearing pin, 202, yielding rubber circle, 300, slideway assembly, the 310, first slideway, the 320, second slideway, 330, skateboards slot, 331, upper slide groove, 332, downslide board slot, 340, slide plate, 341, socket head cap screw, 342, graphite embedding groove, 400, guide locating device provided, 410, spacing bearing pin, 420, alignment pin, 500, push rod component, 510, fix shaft, 520, top carrying bearing pin, 600, spring cotter, 700, component chassis of tumbling.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of preferred implementation of the present utility model is described in detail.
The utility model provides a kind of two slideway pull bar tilting limiting mechanism, and this mechanism comprises mount pad 200, limit pull rod 100, slideway assembly 300 and push rod component 500.
As shown in figs. 1 and 3, the shape of described mount pad 200 and structure can carry out flexible design according to the installation difference of vehicle or the different of use occasion, in the present embodiment, mount pad adopts base plate and two support plates to form, two support plates are rotationally connected by the lower end of bottom bearing pin 201 with limit pull rod, and rotary part both sides, limit pull rod lower end can be provided with yielding rubber circle 202, to reach the object reducing vibrations injury.
Described limit pull rod 100 is a uniform long pole of thickness, and its lower end and mount pad 200 are rotationally connected, and upper end is then connected with slideway assembly 300 by guide locating device provided 400.Describedly guide locating device providedly comprise spacing bearing pin 410 and alignment pin 420, this spacing bearing pin and alignment pin are outwards successively set on the upper end of limit pull rod along limit pull rod length direction.
As shown in Figure 4, described slideway assembly 300 comprises parallel the first slideway 310 and the second slideway 320 be oppositely arranged, and is fixedly connected with, is provided with slide plate 340 in this skateboards slot between this first slideway with second slideway by skateboards slot 330.In the present embodiment, the first slideway and the second slideway are symmetrically arranged elliptical ring component, the thickness of described limit pull rod and the spacing between the first slideway and the second slideway suitable.Described skateboards slot comprises the upper slide groove 331 and downslide board slot 332 that are misplaced in slideway assembly both sides up and down, and with reference to Fig. 5, skateboards slot is a kind of U-type groove steel, and both sides are welded on the first slideway and the second slideway respectively.With reference to Fig. 6, described slide plate is that graphite inlays slide plate, and this graphite is inlayed between slide plate and skateboards slot and fixed by socket head cap screw 341, and graphite is inlayed on slide plate and is provided with multiple graphite embedding groove 342 for filling graphite.
As shown in Figure 2, the width of described limit pull rod equals the vertical distance between two sideskids, this limit pull rod can by guide locating device providedly sliding up and down of being made up of spacing bearing pin and alignment pin in slideway assembly, and wherein the axis body diameter of spacing bearing pin and alignment pin is equal with the circle diameter of the first slideway and the second slideway.Such design, making between guide locating device provided and slideway assembly is friction of rolling, has automatic guide ability, in decline return process, automatically can follow return, not occur the phenomenons such as stuck, other strength.
As shown in Figure 7, upper end and the push rod component 500 of described slideway assembly 300 are rotationally connected, and this push rod component comprises the fix shaft 510 for being fixedly connected with component chassis 700 of tumbling, and this fix shaft is rotationally connected with slideway assembly upper end by top carrying bearing pin 520.Shown bottom bearing pin 201, spacing bearing pin 410, alignment pin 420 and top carrying bearing pin 520 are all positioned by spring cotter 600.
That working process of the present utility model is described as follows:
As shown in Figure 8, when operator's compartment lifting, slideway assembly rises along on A direction under the effect of lifting tensile force f, and limit pull rod entirety is rotated along B direction, the side of thickness up and down of limit pull rod contacts with slide plate, and by spacing bearing pin and alignment pin relative sliding in slideway.In sliding process, limit pull rod at least contacts with a slice slide plate, and the friction force produced during this period is very little, and spacing bearing pin and alignment pin all play directional tagging.
As shown in Figure 9, when wheelhouse tipping is to set angle, limit pull rod moves to end position, and by spacing bearing pin, slideway assembly is held, alignment pin now keeps directional tagging, make limit pull rod and slideway assembly center conllinear, also become the second insurance of spacing bearing pin simultaneously, safety factor is provided.
When operator's compartment starts to decline, due to the effect of return thrust F ', the connection between limit pull rod and slideway assembly is relaxed, at both sides' gravity G
1and G
2effect under, there will be the C direction rotating tendency shown in Figure 10, this trend may cause mechanism damage or block.The utility model mechanism is when slideway assembly return, and due to the existence of alignment pin and spacing bearing pin, when occurring this rotating tendency, alignment pin and spacing bearing pin synergy, produce restoring force F
1, make limit pull rod and slideway assembly center keep conllinear, thus impel limit pull rod correctly to get back in slideway assembly, and due to spacing bearing pin be friction of rolling between alignment pin and slideway assembly, therefore there will not be the phenomenon that mechanism damages or blocks.
Figure 11 is the two view of slideway pull bar tilting limiting mechanism when operator's compartment declines of the utility model, and slip assembly moves along return direction A ' in the effect of return thrust F ', and limit pull rod entirety is rotated along B ' direction.
The above embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (7)
1. a two slideway pull bar tilting limiting mechanism, is characterized in that, comprising:
Limit pull rod (100), this limit pull rod lower end is rotationally connected by bottom bearing pin and mount pad (200);
Slideway assembly (300), this slideway assembly comprises parallel the first slideway (310) of being oppositely arranged and the second slideway (320), be fixedly connected with by skateboards slot (330) between this first slideway with second slideway, in this skateboards slot, be provided with slide plate (340);
Described first slideway and the second slideway and described limit pull rod upper end are connected by guide locating device provided (400), described limit pull rod can on slide plate slide anteroposterior;
Described slideway assembly (300) upper end and push rod component (500) are rotationally connected.
2. according to claim 1 pair of slideway pull bar tilting limiting mechanism, it is characterized in that, described guide locating device provided (400) comprise the spacing bearing pin (410) and the alignment pin (420) that are outwards successively set on limit pull rod upper end along limit pull rod length direction.
3. according to claim 1 pair of slideway pull bar tilting limiting mechanism, is characterized in that, described skateboards slot (330) comprises the upper slide groove (331) and downslide board slot (332) that are misplaced in slideway assembly both sides up and down.
4. the two slideway pull bar tilting limiting mechanisms according to claim 1,2 or 3, is characterized in that, described first slideway and the second slideway are symmetrically arranged elliptical ring component.
5. according to claim 1 pair of slideway pull bar tilting limiting mechanism, is characterized in that, described slide plate (340) inlays slide plate for graphite.
6. according to claim 5 pair of slideway pull bar tilting limiting mechanism, is characterized in that, described graphite is inlayed between slide plate and skateboards slot and fixed by socket head cap screw.
7. according to claim 1 pair of slideway pull bar tilting limiting mechanism, it is characterized in that, described push rod component (500) comprises the fix shaft (510) for being fixedly connected with component chassis of tumbling, and this fix shaft is rotationally connected by top carrying bearing pin and slideway assembly upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617173.3U CN204138295U (en) | 2014-10-23 | 2014-10-23 | A kind of two slideway pull bar tilting limiting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617173.3U CN204138295U (en) | 2014-10-23 | 2014-10-23 | A kind of two slideway pull bar tilting limiting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204138295U true CN204138295U (en) | 2015-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617173.3U Withdrawn - After Issue CN204138295U (en) | 2014-10-23 | 2014-10-23 | A kind of two slideway pull bar tilting limiting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204138295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310276A (en) * | 2014-10-23 | 2015-01-28 | 安徽江淮银联重型工程机械有限公司 | Double-slide pull-rod tipping limit mechanism |
| CN106743514A (en) * | 2016-12-23 | 2017-05-31 | 广州三五汽车部件有限公司 | Material automatic rotating device |
-
2014
- 2014-10-23 CN CN201420617173.3U patent/CN204138295U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310276A (en) * | 2014-10-23 | 2015-01-28 | 安徽江淮银联重型工程机械有限公司 | Double-slide pull-rod tipping limit mechanism |
| CN104310276B (en) * | 2014-10-23 | 2016-06-29 | 安徽江淮银联重型工程机械有限公司 | A kind of double; two slideway pull bar tilting limiting mechanism |
| CN106743514A (en) * | 2016-12-23 | 2017-05-31 | 广州三五汽车部件有限公司 | Material automatic rotating device |
| CN106743514B (en) * | 2016-12-23 | 2023-09-01 | 广州三五汽车部件有限公司 | Automatic material rotating device |
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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 |
Granted publication date: 20150204 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |