CN202689842U - Sliding door mechanism of engineering machinery cab - Google Patents
Sliding door mechanism of engineering machinery cab Download PDFInfo
- Publication number
- CN202689842U CN202689842U CN 201220079908 CN201220079908U CN202689842U CN 202689842 U CN202689842 U CN 202689842U CN 201220079908 CN201220079908 CN 201220079908 CN 201220079908 U CN201220079908 U CN 201220079908U CN 202689842 U CN202689842 U CN 202689842U
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- China
- Prior art keywords
- sliding door
- bearing
- engineering machinery
- roller
- driving cabin
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- Expired - Lifetime
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Abstract
The utility model discloses a sliding door mechanism of an engineering machinery cab. The sliding door mechanism comprises an upper guide rail, a lower guide rail and a vehicle door, wherein the vehicle door is arranged between the upper guide rail and the lower guide rail and can slide; a guide mechanism is arranged at the upper part of a sliding door and is matched with the upper guide rail; and a roller wheel mechanism is arranged at the lower part of the sliding door and is matched with the lower guide rail. Compared with the common sliding door, the sliding door mechanism of the engineering vehicle cab has the advantages of small occupied space, firmness, durability, convenience for mounting and maintenance, simple and compact structure, convenience for assembling and disassembling, low abrasion, long service life, flexible motion, no impact, high operating performance, capacity of improving the attractiveness of the appearance layout of the cab and high adaptability to the working environment conditions.
Description
Technical field
The utility model is mainly concerned with the design field of cab vehicle door, refers in particular to a kind of sliding door mechanism for engineering machinery driving cabin.
Background technology
Sliding door is compared with revolving door, and needed bulk in the time of can greatly reducing car door opening is improved the vehicle body stress well, makes things convenient for the occupant to come in and go out, and therefore, sliding door is widely used at engineering machinery driving cabin.At present domestic and international project mechanical handling chamber or driver's cabin mainly use two-rail sliding door mechanism, and its structure adopts upper guide to the form of, bottom rotation and load-bearing.Upper rail is assemblied in the driver's cabin top, and lower guideway is that stamping parts is assemblied in the threshold place, and lower load-bearing bearing only has two usually.Its shortcoming is exactly: upper rail has affected the outward appearance of driver's cabin, lower guideway is contained in the space that the threshold place has taken driver's cabin, the inconvenience of getting on or off the bus, and lower guideway is that the sliding door slip just has some setbacks after the stamping parts distortion, whole sliding door only by with two bearing load-bearing, very easily damages etc.
Summary of the invention
The technical problems to be solved in the utility model just is: for the technical problem that prior art exists, the utility model provides a kind of simple and compact for structure, processing simple installation, reliability and durability, engineering machinery driving cabin little, good looking appearance sliding door mechanism takes up room.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of sliding door mechanism of engineering machinery driving cabin, comprise cab body, be separately positioned on cab body the inside upper-lower position upper rail (2) and lower guideway (5), be fixed between upper rail (2) and the lower guideway (5) also slidable sliding door (1), be provided with guiding mechanism (3) on described sliding door (1) top and match with upper rail (2), be provided with idler wheel mechanism (6) in described sliding door (1) bottom and match with lower guideway (5).
Described guiding mechanism (3) comprises the mounting bracket (31) that is arranged on sliding door top, is provided with bearing installation shaft (32) at mounting bracket (31), is provided with guide bearing (33) in the bearing installation shaft; Described guide bearing (33) is arranged in the upper rail (2), and can move freely along the guide track of upper rail (2).Be provided with axial back-up ring (34) at described guide bearing (33).
Described idler wheel mechanism (6) is connected with sliding door (1) by the lower mounting bracket (4) that is arranged on the sliding door bottom, idler wheel mechanism (6) comprises roller seat (63), roller seat (63) two ends respectively arrange a roller installing plate (64), roller installing plate (64) is connected with roller seat (63) by axis of rotation (67), and rotate around axis of rotation (67), roller installing plate (64) two ends respectively connect a roller bearing (66) by roller bearing pin (65), idler wheel mechanism (6) is divided into a rod end connection bearing (62), and rod end connection bearing (62) is connected by bolt (61) with roller seat (63); Every group of described idler wheel mechanism (6) is comprised of 4 roller bearings.Described roller bearing (66) cooperates with the contacts side surfaces of lower guideway (5), mainly plays guiding and load-bearing effect, and moves freely along the guide track of lower guideway (5).Described roller bearing (66) is special-purpose oblique angle deep groove ball bearing.Described lower guideway (5) is special-purpose double V-shaped guide rail.Described idler wheel mechanism (6) and every driver's cabin of lower guideway (5) arrange two groups and be assemblied in the cab floor lower plane.
Compared with prior art, the utility model has the advantage of:
1, the sliding door mechanism of engineering machinery driving cabin of the present utility model, upper/lower guide mechanism is concealed, and upper rail is assemblied in driver's cabin the inside, and lower guideway is assemblied in the floor lower plane, does not affect outward appearance, and effectively reduces guide rail in space that vehicle body takies.
2, the sliding door mechanism of engineering machinery driving cabin of the present utility model, idler wheel mechanism is connected with mounting bracket employing spherical plain bearing rod end under the car door, can effectively remedy and make and rigging error.
3, the sliding door mechanism of engineering machinery driving cabin of the present utility model, lower guideway adopts cold drawing molding technique, and precision is high, not yielding.
4, the sliding door mechanism of engineering machinery driving cabin of the present utility model, sliding door adopt two groups totally 8 roller bearings come load-bearing, weight capacity is strong.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of upper guidance set;
Fig. 3 is the structural representation of bottom roller mechanism;
Fig. 4 is the structure schematic top plan view of bottom roller mechanism;
Fig. 5 is the Tyco electronics amp kk schematic diagram that the utility model sliding door mechanism is housed among Fig. 1
Marginal data:
1, sliding door; 2, upper rail; 3, guiding mechanism; 4, lower mounting bracket; 5, lower guideway; 6, idler wheel mechanism; 31, upper mounting bracket; 32, bearing installation shaft; 33, guide bearing; 34, axial back-up ring; 61, bolt; 62, rod end connection bearing; 63, roller seat; 64, roller installing plate; 65, roller bearing pin; 66, roller bearing; 67, axis of rotation;
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further explained.
As shown in Figure 1, be the mechanism of the sliding door device of engineering machinery driving cabin of the present utility model.The sliding door mechanism of this project machine cab, comprise cab body, upper-lower position is respectively arranged with upper rail 2 and lower guideway 5 in the cab body the inside, fixing and slidable sliding door 1 between upper rail 2 and lower guideway 5, be provided with guiding mechanism 3 on sliding door 1 top and match with upper rail 2, be provided with idler wheel mechanism 6 in sliding door 1 bottom and match with lower guideway 5.
As shown in Figure 2, the structural representation of upper guidance set.Guiding mechanism 3 comprises the mounting bracket 31 that is arranged on the sliding door 1, is provided with bearing installation shaft 32 at mounting bracket 31, is provided with guide bearing 33 in bearing installation shaft 32; Described guide bearing 33 is arranged in the upper rail 2, and can move freely along the guide track of upper rail 2.Be provided with axial back-up ring 34 at described guide bearing 33.
As shown in Figure 3 and Figure 4, the structural representation of bottom roller mechanism.Idler wheel mechanism 6 is connected with sliding door 1 by the lower mounting bracket 4 that is arranged on sliding door 1 bottom, idler wheel mechanism 6 comprises roller seat 63, roller seat 63 two ends respectively arrange a roller installing plate 64, roller installing plate 64 is connected with roller seat 63 by axis of rotation 67, and around axis of rotation 67 rotations, roller installing plate 64 two ends respectively connect a roller bearing 66 by roller bearing pin 65, and idler wheel mechanism 6 is divided into a rod end connection bearing 62, and rod end connection bearing 62 is connected by bolt 61 with roller seat 63; Described roller bearing 66 cooperates with the contacts side surfaces of lower guideway 5.Described idler wheel mechanism 6 is comprised of 4 roller bearings 66.Described roller bearing 66 is special-purpose oblique angle deep groove ball bearing.Described lower guideway 5 is special-purpose double V-shaped guide rail.Described idler wheel mechanism 6 can move freely along the guide track of lower guideway 5.Described lower guideway 5 is assemblied in the cab floor lower plane.Described idler wheel mechanism 6 and lower guideway 5 every driver's cabins arrange two groups.
As shown in Figure 5, be the driver's cabin schematic diagram that this sliding door mechanism is housed.
The sliding door mechanism of engineering machinery driving cabin of the present utility model is provided with guiding mechanism on its sliding door top, and the bottom fills two groups of idler wheel mechanisms, is bolted on sliding door, and sliding door is stuck in the upper/lower guide of cab body the inside.In the sliding door running, guide bearing rolls in upper rail and rotates and realize guide effect, and the roller bearing in the idler wheel mechanism is rolled in lower guideway and rotated and realize guiding and load-bearing.Each sliding door comprises two groups of idler wheel mechanisms and comes load-bearing, and every group of idler wheel mechanism has 4 roller bearings, and the weight that is equivalent to sliding door is shared by 8 roller bearings, and weight capacity is strong.Sliding door is in the open and close process, and idler wheel mechanism rotates by the axis of rotation of self and the rod end connection bearing of lower end, thereby realizes turning round of sliding door.This mechanism can reach and optimize the sliding door system force-bearing situation by its guiding mechanism and the operation of idler wheel mechanism in guide rail, improves the kinematic accuracy of sliding door, reduces the purpose of sliding door kinetic friction force.
Claims (10)
1. the sliding door mechanism of an engineering machinery driving cabin, comprise upper rail (2), lower guideway (5) and be arranged at upper rail (2) and lower guideway (5) between and sliding door (1) slidably, it is characterized in that: be provided with guiding mechanism (3) on described sliding door (1) top and match with upper rail (2), be provided with idler wheel mechanism (6) in described sliding door (1) bottom and match with lower guideway (5).
2. the sliding door mechanism of engineering machinery driving cabin according to claim 1, it is characterized in that: described guiding mechanism (3) comprises the mounting bracket (31) that is arranged on sliding door (1) top, be provided with bearing installation shaft (32) at mounting bracket (31), be provided with guide bearing (33) in bearing installation shaft (32); Described guide bearing (33) is arranged in the upper rail (2), and can move freely along the guide track of upper rail (2).
3. the sliding door mechanism of engineering machinery driving cabin according to claim 2 is characterized in that: be provided with axial back-up ring (34) at described guide bearing (33).
4. the sliding door mechanism of engineering machinery driving cabin according to claim 1, it is characterized in that: described idler wheel mechanism (6) is connected with sliding door (1) by the lower mounting bracket (4) that is arranged on sliding door (1) bottom, idler wheel mechanism (6) comprises roller seat (63), roller seat (63) two ends respectively arrange a roller installing plate (64), roller installing plate (64) is connected with roller seat (63) by axis of rotation (67), and rotate around axis of rotation (67), roller installing plate (64) two ends respectively connect a roller bearing (66) by roller bearing pin (65), idler wheel mechanism (6) is divided into a rod end connection bearing (62), and rod end connection bearing (62) is connected by bolt (61) with roller seat (63); Described roller bearing (66) cooperates with the contacts side surfaces of lower guideway (5).
5. the sliding door mechanism of engineering machinery driving cabin according to claim 4 is characterized in that: described roller bearing (66) is special-purpose oblique angle deep groove ball bearing.
6. the sliding door mechanism of engineering machinery driving cabin according to claim 1, it is characterized in that: described lower guideway (5) is special-purpose double V-shaped guide rail.
7. the sliding door mechanism of engineering machinery driving cabin according to claim 1, it is characterized in that: described idler wheel mechanism (6) can move freely along the guide track of lower guideway (5).
8. the sliding door mechanism of engineering machinery driving cabin according to claim 1, it is characterized in that: described idler wheel mechanism (6) is comprised of 4 roller bearings (66).
9. the sliding door mechanism of engineering machinery driving cabin according to claim 1, it is characterized in that: described lower guideway (5) is assemblied in the cab floor lower plane.
10. the sliding door mechanism of engineering machinery driving cabin according to claim 1, it is characterized in that: described idler wheel mechanism (6) and every driver's cabin of lower guideway (5) arrange two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220079908 CN202689842U (en) | 2012-03-06 | 2012-03-06 | Sliding door mechanism of engineering machinery cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220079908 CN202689842U (en) | 2012-03-06 | 2012-03-06 | Sliding door mechanism of engineering machinery cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202689842U true CN202689842U (en) | 2013-01-23 |
Family
ID=47545474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220079908 Expired - Lifetime CN202689842U (en) | 2012-03-06 | 2012-03-06 | Sliding door mechanism of engineering machinery cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202689842U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756583A (en) * | 2018-06-17 | 2018-11-06 | 桂林京达科技有限公司 | A kind of vehicle outer sliding door assembly automatically |
| CN108756582A (en) * | 2018-06-17 | 2018-11-06 | 桂林京达科技有限公司 | A kind of rolling clamp bracket and the outer sliding door system of automotive vehicle |
| CN108825044A (en) * | 2018-06-17 | 2018-11-16 | 桂林京达科技有限公司 | A kind of outer sliding door system with double-speed chain |
| CN111904702A (en) * | 2020-08-17 | 2020-11-10 | 河南中医药大学 | Traditional chinese medical science nursing is with medicine hot compress device |
| CN113931558A (en) * | 2021-10-12 | 2022-01-14 | 浙江大丰实业股份有限公司 | Electric rotating and translating screen fan |
-
2012
- 2012-03-06 CN CN 201220079908 patent/CN202689842U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756583A (en) * | 2018-06-17 | 2018-11-06 | 桂林京达科技有限公司 | A kind of vehicle outer sliding door assembly automatically |
| CN108756582A (en) * | 2018-06-17 | 2018-11-06 | 桂林京达科技有限公司 | A kind of rolling clamp bracket and the outer sliding door system of automotive vehicle |
| CN108825044A (en) * | 2018-06-17 | 2018-11-16 | 桂林京达科技有限公司 | A kind of outer sliding door system with double-speed chain |
| CN108825044B (en) * | 2018-06-17 | 2023-10-17 | 桂林京达科技有限公司 | External sliding door system with double speed chain |
| CN111904702A (en) * | 2020-08-17 | 2020-11-10 | 河南中医药大学 | Traditional chinese medical science nursing is with medicine hot compress device |
| CN111904702B (en) * | 2020-08-17 | 2022-03-04 | 河南中医药大学 | Traditional chinese medical science nursing is with medicine hot compress device |
| CN113931558A (en) * | 2021-10-12 | 2022-01-14 | 浙江大丰实业股份有限公司 | Electric rotating and translating screen fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |