CN205558921U - Telescopic boom and concrete spraying vehicle - Google Patents
Telescopic boom and concrete spraying vehicle Download PDFInfo
- Publication number
- CN205558921U CN205558921U CN201620324051.4U CN201620324051U CN205558921U CN 205558921 U CN205558921 U CN 205558921U CN 201620324051 U CN201620324051 U CN 201620324051U CN 205558921 U CN205558921 U CN 205558921U
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- arm
- fixed arm
- telescopic
- telescopic arm
- baffle plate
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Abstract
The application discloses telescopic boom, including fixed arm (1) and flexible arm (2), flexible arm (2) are arranged in in fixed arm (1), just flexible arm (2) can it is flexible in fixed arm (1), its characterized in that flexible arm (2) are arranged in fixed mounting has first guide block (31) on the one end lateral wall in fixed arm (1) fixed arm (1) is leaned on fixed mounting has second guide block (32) on the one end inside wall that stretch out flexible arm (2) fixed arm (1) is leaned on still be provided with on the one end inside wall that stretch out flexible arm (2) dog (4), dog (4) are used for blockking attachment on flexible arm (2) gets into in fixed arm (1). The application provides a telescopic boom, long service life, and stability is strong.
Description
Technical field
The application relates to technical field of engineering machinery, particularly relates to a kind of telescopic jib, and the application also relates to
And one concrete spraying vehicle.
Background technology
In tunnel construction, after tunnel excavation, discharge in right amount to control surrouding rock stress and deform,
Increase structural safety and convenient construction, apply rigidity after tunnel excavation immediately less and as forever carrying knot
The structure sheaf of a structure part, referred to as preliminary bracing.
In Tunnel Engineering, preliminary bracing typically uses combined bolting and shotcrete.Combined bolting and shotcrete refers to by means of high pressure spray jetting
Cement concrete and the synergy reinforcing rock stratum of the anchor metal squeezed in rock stratum, be divided into temporary supporting to tie
Structure and permanent supporting construction.
Wherein, pressure-injected cement concrete is completed by concrete spraying vehicle.Concrete spraying vehicle is
Complete the operation of jib to swing by staff, commutate, the various actions such as acceleration.Wherein, stretch
Contracting jib is one important part of concrete spraying vehicle.Telescopic jib includes fixed arm and telescopic arm,
Telescopic arm is placed in fixed arm, and telescopic arm can stretch in fixed arm, telescopic arm and fixed arm it
Between be provided with guide pad.
Telescopic arm operationally, can according to the needs of construction requirement collapsing length, the telescopic arm section stretched out
Branch adheres to the attachments such as concrete, when one end that fixed arm stretches out by telescopic arm and telescopic arm exist gap
Time, concrete can follow the retracting motion of telescopic arm and enter in fixed arm, when guide pad be stained with coagulation
When the fixed arm inwall of soil and telescopic arm external wall friction, the abrasion of guide pad can be aggravated, after guide pad weares and teares,
Guide pad and telescopic arm can be caused to there is gap, and when there is gap, the stability of telescopic arm can be substantially reduced.
Concrete can cause the outer wall abrasion of telescopic arm uncontrolled simultaneously, and service life of telescopic arm can be made big
Big reduce, and when telescopic arm exists gap with sliding guide pad, the stretching motion of telescopic arm can not perfectly flat surely, this
The serviceability of telescopic arm can be affected.
Utility model content
For solving above-mentioned technical problem, the utility model provides a kind of telescopic jib, and its service life is long,
And stability is strong.
The technical scheme that the utility model provides is as follows:
A kind of telescopic jib, including fixed arm and telescopic arm, described telescopic arm is placed in described fixed arm,
And described telescopic arm can stretch in described fixed arm, it is characterised in that be placed in institute at described telescopic arm
State and be installed with the first guide pad on one end lateral wall in fixed arm, lean at described fixed arm described in stretch
It is installed with the second guide pad, at described fixed arm by described flexible on one end madial wall that contracting arm stretches out
Being additionally provided with block on one end madial wall that arm stretches out, described block is attached for stop on described telescopic arm
Thing to enter in described fixed arm.
Preferably, one end madial wall that described fixed arm stretches out by described telescopic arm is provided with block tool
Body is, is provided with limited block in described fixed arm, stretched out by described telescopic arm at described fixed arm
End is provided with baffle plate, and described baffle plate is used for stopping that described block skids off described fixed arm, described baffle plate and institute
State limited block to coordinate for fixing described block.
Preferably, described baffle plate includes the first baffle plate and second baffle, described first baffle plate and described second
Baffle plate all removably connects with described fixed arm.
Preferably, described first baffle plate is all connected with described fixed arm by screw with described second baffle.
The utility model also provides for a kind of concrete spraying vehicle, and described concrete spraying vehicle have employed above-mentioned stretching
Contracting jib.
The telescopic jib that the utility model provides, is provided with inside one end that fixed arm stretches out by telescopic arm
Block, and block and the second guide pad coordinate, for stopping that the attachment on telescopic arm enters in fixed arm.
In one end that fixed arm stretches out by telescopic arm, only the second guide pad simultaneously with the outside of telescopic arm, fixing
The interior side contacts of arm, therefore, one end that fixed arm stretches out by telescopic arm, outside telescopic arm with in fixed arm
There is gap in side, the attachment on telescopic arm, as concrete can be entered in fixed arm by this gap, adds
Acute first guide pad, the abrasion of the second guide pad, make between the first guide pad and fixed arm, and second guides
There is gap between arm and telescopic arm, thus cause rocking during telescopic jib operation, bad stability, and
Service life shortens, the setting of block, it is possible to stretch in one end that effectively filling fixed arm stretches out by telescopic arm
There is gap with inside fixed arm outside arm, prevent the attachment on telescopic arm from entering in fixed arm, therefore,
Compared with prior art, service life is long, and stability is strong.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 provides the structural representation of telescopic jib for the utility model embodiment；
Fig. 2 is the A-A view of Fig. 1；
Fig. 3 is the B-B view of Fig. 1；
Fig. 4 is the C-C view of Fig. 1；
Fig. 5 is the D-D view of Fig. 1.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with
Accompanying drawing in the embodiment of the present application, clearly and completely retouches the technical scheme in the embodiment of the present application
State, it is clear that described embodiment is only some embodiments of the present application rather than whole enforcement
Example.Based on the embodiment in the application, those of ordinary skill in the art are not before making creative work
Put the every other embodiment obtained, all should belong to the scope of the application protection.
The most as shown in Figures 1 to 5, the utility model embodiment provides a kind of telescopic jib, including fixing
Arm 1 and telescopic arm 2, telescopic arm 2 is placed in fixed arm 1, and telescopic arm 2 can be stretched in fixed arm 1
Contracting, wherein, one end lateral wall in telescopic arm 2 is placed in fixed arm 1 is installed with the first guiding
Block 31, on one end madial wall that fixed arm 1 stretches out by telescopic arm 2, Guan County is equipped with the second guide pad 32,
Being additionally provided with block 4 on one end madial wall that fixed arm 1 stretches out by telescopic arm 2, block 4 is used for stopping
Attachment on telescopic arm 2 enters in fixed arm 1.
Telescopic jib of the prior art, in the one end stretched out by telescopic arm at fixed arm, only second leads
To block simultaneously with outside, the interior side contacts of fixed arm of telescopic arm, therefore, fixed arm stretches out by telescopic arm
One end, there is gap with inside fixed arm outside telescopic arm, the attachment on telescopic arm, such as concrete
Can be entered in fixed arm by this gap, aggravate the first guide pad, the abrasion of the second guide pad, make first
Between guide pad and fixed arm, there is gap between the second leading arm and telescopic arm, thus cause telescopic arm
Rock during frame operation, bad stability, and service life shortens.
The telescopic jib that the utility model embodiment is provided, owing to stretching out by telescopic arm 2 at fixed arm 1
One end inside be provided with block 4, for stopping that attachment on telescopic arm 2 enters in fixed arm 1.Gear
The setting of block 4, it is possible to effectively fill outside one end telescopic arm that fixed arm 1 leans on telescopic arm 2 to stretch out with solid
Deposit big gap inside arms 2, prevent the attachment on telescopic arm 2 from entering in fixed arm 1, therefore,
Compared with prior art, service life is long, and stability is strong.
Wherein, one end madial wall that fixed arm 1 stretches out by telescopic arm 2 is provided with block 4 and is preferably,
Being provided with limited block 5 in fixed arm 1, the one end stretched out by telescopic arm 2 at fixed arm 1 is provided with baffle plate
6, baffle plate 6 is used for stopping that block 4 skids off fixed arm 1, and baffle plate 6 coordinates with limited block 5, is used for fixing
Block 4.
Specifically, limited block 5 is fixedly mounted on fixed arm 1 inwall, is then placed on by block 4 solid
In gap between arms 1 and telescopic arm 2, now, block 4 coordinates with the second guide pad 32, will be solid
Gap between arms 1 and telescopic arm 2 is filled, and finally, is fixedly mounted on fixed arm 1 by baffle plate 6,
By coordinating between baffle plate 6 with limited block 5, limit stop 4 is along telescopic arm 2 axis direction
Displacement.
Wherein, baffle plate 6 removably connects with fixed arm 1.Owing to block 4 is mainly used in stopping telescopic arm 2
Upper accompanying concrete, therefore, the abrasion of block 4 is very fast, needs often to change, and baffle plate 6 is with solid
Arms 1 removably connects, being very convenient to of block 4.
Further, baffle plate 6 includes the first baffle plate 61 and second baffle 62, the first baffle plate 61 and second
Baffle plate 62 all removably connects with fixed arm 1.
Wherein, the first baffle plate 61 is all connected with fixed arm 1 by screw with second baffle 62.
Owing to baffle plate 6 is for coordinating with limited block 5, block 4 is provided constraints, from whole structure
From the point of view of on, baffle plate 6 is set in outside telescopic arm 2 and is connected with fixed arm 1.When baffle plate 6 uses first
During the structure of baffle plate 61 and second baffle 62, the dismounting of baffle plate 6 is convenient.
The utility model embodiment also provides for a kind of concrete spraying vehicle, and this concrete spraying vehicle have employed
State telescopic jib.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, the utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (5)
1. a telescopic jib, including fixed arm (1) and telescopic arm (2), described telescopic arm (2) is put
In described fixed arm (1), and described telescopic arm (2) can stretch in described fixed arm (1),
It is characterized in that, solid on one end lateral wall in described telescopic arm (2) is placed in described fixed arm (1)
Dingan County is equipped with the first guide pad (31), stretched out by described telescopic arm (2) at described fixed arm (1)
It is installed with the second guide pad (32), at described fixed arm (1) by described telescopic arm on end madial wall
(2) being additionally provided with block (4) on one end madial wall stretched out, described block (4) is used for stopping described
Attachment on telescopic arm (2) enters in described fixed arm (1).
Telescopic jib the most according to claim 1, it is characterised in that in described fixed arm (1)
By being provided with block (4) on one end madial wall that described telescopic arm (2) stretches out specifically, described solid
It is provided with limited block (5) in arms (1), stretches out by described telescopic arm (2) at described fixed arm (1)
One end be provided with baffle plate (6), it is described solid that described baffle plate (6) is used for stopping that described block (4) skids off
Arms (1), described baffle plate (6) coordinates with described limited block (5) and is used for fixing described block (4).
Telescopic jib the most according to claim 2, it is characterised in that described baffle plate (6) includes
First baffle plate (61) and second baffle (62), described first baffle plate (61) and described second baffle (62)
All removably connect with described fixed arm (1).
Telescopic jib the most according to claim 3, it is characterised in that described first baffle plate (61)
All it is connected with described fixed arm (1) by screw with described second baffle (62).
5. a concrete spraying vehicle, it is characterised in that described concrete spraying vehicle have employed right such as and wants
Seek the telescopic jib described in 1 to 4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620324051.4U CN205558921U (en) | 2016-04-18 | 2016-04-18 | Telescopic boom and concrete spraying vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620324051.4U CN205558921U (en) | 2016-04-18 | 2016-04-18 | Telescopic boom and concrete spraying vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205558921U true CN205558921U (en) | 2016-09-07 |
Family
ID=56808646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620324051.4U Active CN205558921U (en) | 2016-04-18 | 2016-04-18 | Telescopic boom and concrete spraying vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205558921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814320A (en) * | 2017-11-06 | 2018-03-20 | 北京新能正源环境科技有限公司 | Bow member installation chassis, telescopic arm and its protection device |
-
2016
- 2016-04-18 CN CN201620324051.4U patent/CN205558921U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814320A (en) * | 2017-11-06 | 2018-03-20 | 北京新能正源环境科技有限公司 | Bow member installation chassis, telescopic arm and its protection device |
| CN107814320B (en) * | 2017-11-06 | 2024-03-26 | 北京新能正源智能装备有限公司 | Arch frame mounting trolley, telescopic arm and protection device thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |