CN109930983A - A kind of ladder of engineering machinery - Google Patents
A kind of ladder of engineering machinery Download PDFInfo
- Publication number
- CN109930983A CN109930983A CN201711358954.XA CN201711358954A CN109930983A CN 109930983 A CN109930983 A CN 109930983A CN 201711358954 A CN201711358954 A CN 201711358954A CN 109930983 A CN109930983 A CN 109930983A
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- Prior art keywords
- ladder
- engineering machinery
- sleeve
- pin shaft
- base
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Abstract
The present invention relates to mechanical equipment technical fields, and disclose a kind of ladder of engineering machinery, including base, upper ladder and lower ladder, the bottom of base is fixedly connected with free bearing, and base is rotatably connected to pin shaft by free bearing, and the outer surface of pin shaft is respectively sleeved on sleeve and baffle, it is fixedly connected at the top of the bottom of sleeve and upper ladder, the outer surface of upper ladder is welded with fixing sleeve, and the inner wall of fixing sleeve is slidably connected with lower ladder, and the side of lower ladder is provided with cross bar.The present invention, it can be in order to the rotation of the device by setting free bearing, pin shaft, sleeve, baffle and torque spring, to facilitate the use of the device, the device can be made more firm when in use by torque spring, deck and limited block, it is not easy to shake, by setting cross bar, anti-slip layer and nut, so that ladder cleaning easy to disassemble, the nursing of ladder is facilitated, to extend the service life of ladder.
Description
Technical field
The present invention relates to mechanical equipment technical field, specially a kind of ladder of engineering machinery.
Background technique
Setting ladder is generally required in large-scale engineering machinery to meet the passage needs of staff.It is with crawler crane
Example, it is possible to need in pedestrian passage or on the outside of large component be arranged ladder with facilitate staff reach crawler crane compared with
Corresponding operating is carried out at high position.
Common engineering machinery be all it is tall and big bulky, it is very laborious that operator needs to climb up driver's cabin, to affect machine
The working efficiency of tool.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of ladders of engineering machinery, have the ladder etc. of movable stretching
Advantage solves the problems, such as that mechanical efficiency is low.
(2) technical solution
For the purpose for realizing above-mentioned movable stretching, the invention provides the following technical scheme: a kind of ladder of engineering machinery, including
Base, upper ladder and lower ladder, the bottom of the base are fixedly connected with free bearing, and the base is rotatably connected to pin by free bearing
Axis, the outer surface of the pin shaft are respectively sleeved on sleeve and baffle, are fixedly connected at the top of the bottom of the sleeve and upper ladder,
The outer surface of the upper ladder is welded with fixing sleeve, and the inner wall of the fixing sleeve is slidably connected with lower ladder, the lower ladder
Side is provided with cross bar, and the other side of lower ladder is run through and extended in one end of the cross bar, and the threaded one end of the cross bar connects
It is connected to nut, the bottom of the lower ladder is fixedly connected with telescopic rod, and the outer surface of the telescopic rod is socketed with spring, described to stretch
The bottom of contracting bar is fixedly connected with backing plate, and the back side of the pin shaft is provided with the snap ring for being hinged on base bottom.
Preferably, the side of the baffle is fixedly connected with torque spring, and the torque spring is socketed in the appearance of pin shaft
Face.
Preferably, the side of the sleeve is fixedly connected with deck, and the bottom of the deck side is fixedly connected with limit
Block.
Preferably, the top of fixing sleeve, and the fixed company in top of lower ladder are run through and extended in the top of the lower ladder
It is connected to fixture block.
Preferably, the outer surface of the cross bar is fixedly connected with anti-slip layer, and the anti-slip layer is rubber antiskid layer.
Preferably, the snap ring is arc snap ring, and the snap ring is hinged by hinge and base.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of ladder of engineering machinery, have it is following the utility model has the advantages that
1, the ladder of the engineering machinery, can be in order to the device by setting free bearing, pin shaft, sleeve, baffle and torque spring
Rotation, to facilitate the use of the device, can make the device when in use by torque spring, deck and limited block
It is more firm, it is not easy to shake, by setting cross bar, anti-slip layer and nut, so that ladder cleaning easy to disassemble, facilitates the shield of ladder
Reason, to extend the service life of ladder, anti-slip layer can increase the frictional force of cross bar Yu staff foot, prevent foot
It skids with cross bar, so as to avoid staff because falling down bring safety accident.
2, the ladder of the engineering machinery makes this by hinge, snap ring, pin shaft, torque spring and limited block collective effect
Apparatus structure is simple, suppressible can pack up and be placed in base bottom, convenient for collection and uses, practicability is good, to be promoted
The working efficiency of engineering machinery, by telescopic rod, spring and backing plate can the device using when play bumper and absorbing shock
Effect, extend the service life of the device, descending stair frame can be made convenient for flexible by fixing sleeve and fixture block, to enhance
The practicability of the device.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is left view of the present invention.
In figure: 1 base, ladder, 3 lower ladders, 4 free bearings, 5 pin shafts, 6 sleeves, 7 baffles, 8 torque springs, 9 decks, 10 on 2
Limited block, 11 fixing sleeves, 12 fixture blocks, 13 cross bars, 14 anti-slip layers, 15 nuts, 16 telescopic rods, 17 springs, 18 backing plates, 19 hinges,
20 snap rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of ladder of engineering machinery referring to FIG. 1-2, including base 1, upper ladder 2 and lower ladder 3, the bottom of base 1
It is fixedly connected with free bearing 4, base 1 is rotatably connected to pin shaft 5 by free bearing 4, and the outer surface of pin shaft 5 is respectively sleeved on 6 He of sleeve
Baffle 7, the side of baffle 7 are fixedly connected with torque spring 8, and torque spring 8 is socketed in the outer surface of pin shaft 5, are cut with scissors by setting
Seat 4, pin shaft 5, sleeve 6, baffle 7 and torque spring 8 can in order to the rotation of the device, to facilitate the use of the device,
The side of sleeve 6 is fixedly connected with deck 9, and the bottom of 9 side of deck is fixedly connected with limited block 10, passes through torque spring 8, card
Seat 9 and limited block 10 can make the device more firm when in use, be not easy to shake, the top of the bottom of sleeve 6 and upper ladder 2
Portion is fixedly connected, and the outer surface of upper ladder 2 is welded with fixing sleeve 11, and the inner wall of fixing sleeve 11 is slidably connected with lower ladder 3, descending stair
The top of fixing sleeve 11 is run through and is extended at the top of frame 3, and the top of lower ladder 3 is fixedly connected with fixture block 12, passes through fixation
Set 11 and fixture block 12 can make descending stair frame 3 convenient for flexible, so that the practicability of the device is enhanced, the side setting of lower ladder 3
There is cross bar 13, the outer surface of cross bar 13 is fixedly connected with anti-slip layer 14, and anti-slip layer 14 is rubber antiskid layer, and anti-slip layer 14 can increase
The frictional force of leger 13 and staff foot prevents foot and cross bar 13 from skidding, so as to avoid staff because falling down
One end of bring safety accident, cross bar 13 is run through and extends to the other side of lower ladder 3, and the threaded one end of cross bar 13 is connected with
Nut 15 crosses setting cross bar 13, anti-slip layer 14 and nut 15, so that ladder cleaning easy to disassemble, facilitates the nursing of ladder, from
And the service life of ladder is extended, the bottom of lower ladder 3 is fixedly connected with telescopic rod 16, and the outer surface of telescopic rod 16 is socketed with
Spring 17, the bottom of telescopic rod 16 are fixedly connected with backing plate 18, can be in the device by telescopic rod 16, spring 17 and backing plate 18
Play the role of bumper and absorbing shock when use, extend the service life of the device, the back side of pin shaft 5 is provided with the machine of being hinged on
The snap ring 20 of 1 bottom of seat, snap ring 20 are arc snap ring, and snap ring 20 is hinged by hinge 19 and base 1, passes through hinge 19, snap ring
20, pin shaft 5, torque spring 8 and 10 collective effect of limited block make the apparatus structure simple, suppressible can pack up and be placed in
1 bottom of base convenient for collection and uses, and practicability is good, to improve the working efficiency of engineering machinery.
When in use, the ladder of the engineering machinery squeezes torque spring 8 and rotates upper ladder 2 by rotational sleeve 6, will
The side of upper ladder 2 sticks into limited block 10, pulls downward on lower ladder 3, and cross bar 13 is successively injected to upper ladder 2 and descending stair respectively
Then frame 3 screws on nut 15 in one end of cross bar 13, at this moment can climb up engineering machinery by upper ladder 2 and lower ladder 3
On, it when not in use, then squeezes 8 rotational sleeve 6 of torque spring and packs up upper ladder 2 and lower ladder 3, by upper ladder 2
Bottom sticks into snap ring 20.
In conclusion the ladder of the engineering machinery, passes through hinge 19, snap ring 20, pin shaft 5, torque spring 8 and limited block 10
Collective effect makes the apparatus structure simple, suppressible can pack up and be placed in 1 bottom of base, convenient for collection and uses, real
It is good with property, to improve the working efficiency of engineering machinery, can be made in the device by telescopic rod 16, spring 17 and backing plate 18
With when play the role of bumper and absorbing shock, extend the service life of the device, can be made by fixing sleeve 11 and fixture block 12
Lower ladder 3 is convenient for flexible, to enhance the practicability of the device.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of ladder of engineering machinery, including base (1), upper ladder (2) and lower ladder (3), it is characterised in that: the base
(1) bottom is fixedly connected with free bearing (4), and the base (1) is rotatably connected to pin shaft (5), the pin shaft by free bearing (4)
(5) outer surface is respectively sleeved on sleeve (6) and baffle (7), and the bottom of the sleeve (6) and the top of upper ladder (2) are fixed
Connection, the outer surface of the upper ladder (2) are welded with fixing sleeve (11), and the inner wall of the fixing sleeve (11) and lower ladder (3) are sliding
Dynamic connection, the side of the lower ladder (3) are provided with cross bar (13), and one end of the cross bar (13) is run through and extends to lower ladder
(3) threaded one end of the other side, the cross bar (13) is connected with nut (15), and the bottom of the lower ladder (3) is fixedly connected
Have telescopic rod (16), the outer surface of the telescopic rod (16) is socketed with spring (17), and the bottom of the telescopic rod (16) is fixed to be connected
It is connected to backing plate (18), the back side of the pin shaft (5) is provided with the snap ring (20) for being hinged on base (1) bottom.
2. a kind of ladder of engineering machinery according to claim 1, it is characterised in that: the side of the baffle (7) is fixed
It is connected with torque spring (8), the torque spring (8) is socketed in the outer surface of pin shaft (5).
3. a kind of ladder of engineering machinery according to claim 1, it is characterised in that: the side of the sleeve (6) is fixed
It is connected with deck (9), the bottom of deck (9) side is fixedly connected with limited block (10).
4. a kind of ladder of engineering machinery according to claim 1, it is characterised in that: passed through at the top of the lower ladder (3)
The top of fixing sleeve (11) is worn and extended to, and is fixedly connected with fixture block (12) at the top of lower ladder (3).
5. a kind of ladder of engineering machinery according to claim 1, it is characterised in that: the outer surface of the cross bar (13) is solid
Surely it is connected with anti-slip layer (14), the anti-slip layer (14) is rubber antiskid layer.
6. a kind of ladder of engineering machinery according to claim 1, it is characterised in that: the snap ring (20) is arc card
Ring, the snap ring (20) are hinged by hinge (19) and base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358954.XA CN109930983A (en) | 2017-12-17 | 2017-12-17 | A kind of ladder of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358954.XA CN109930983A (en) | 2017-12-17 | 2017-12-17 | A kind of ladder of engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109930983A true CN109930983A (en) | 2019-06-25 |
Family
ID=66981886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358954.XA Pending CN109930983A (en) | 2017-12-17 | 2017-12-17 | A kind of ladder of engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109930983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792389A (en) * | 2019-11-26 | 2020-02-14 | 陈国暖 | Simple ladder |
-
2017
- 2017-12-17 CN CN201711358954.XA patent/CN109930983A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792389A (en) * | 2019-11-26 | 2020-02-14 | 陈国暖 | Simple ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190625 |