CN208564595U - A kind of hydraulic prop anti-fall buffer device - Google Patents
A kind of hydraulic prop anti-fall buffer device Download PDFInfo
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- CN208564595U CN208564595U CN201821083236.6U CN201821083236U CN208564595U CN 208564595 U CN208564595 U CN 208564595U CN 201821083236 U CN201821083236 U CN 201821083236U CN 208564595 U CN208564595 U CN 208564595U
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Abstract
The utility model provides a kind of hydraulic prop anti-fall buffer device, including top plate, the hydraulic prop ontology for being connected to top plate lower end, the annular connecting plate being socketed on hydraulic prop ontology, the first magnet for being connected to hydraulic prop ontology lower end and the feeler lever being symmetrically connected on hydraulic prop ontology, further include the anti-fall buffer device for being connected to hydraulic prop ontology lower end；The utility model overcomes the deficiencies in the prior art, design is reasonable, it is compact-sized, pass through the elastic reaction of the principle of same-sex repulsion and the first extension spring of the first magnet and the second magnet, impulse force that can be downward with buffering hydraulic pillar, so as to avoid leading to hydraulic cylinder spalling because top plate pushes rapidly, while rotary table, slide bar and metal chock, the stability that can be improved hydraulic prop prevent hydraulic prop from toppling over.
Description
Technical field
The utility model relates to hydraulic prop equipment technical fields, and in particular to a kind of hydraulic prop anti-fall buffer device.
Background technique
Hydraulic prop is a kind of set using fluid pressure generation support force and the automatic shifting of realization to carry out roof timbering and pipe
A kind of hydraulic power unit of reason, is the indispensable corollary equipment of comprehensive mechanical coal mining.
It is not flat in fully-mechanized mining working, tunnel, often will appear the working face of high inclination-angle, top beam height height makes whole
The center of gravity of a hydraulic prop is higher, and hydraulic prop is easy to topple in the working face work of high inclination-angle, causes biggish economic damage
It loses；In addition hydraulic prop intensity is generally able to satisfy requirement of engineering, but resistance shock loading ability is poor, when top plate depressed fast,
Since hydraulic prop is all fixed mostly, cause the hydraulic cylinder deformation space in hydraulic prop small, consequently, it is possible to liquid occurs
Cylinder pressure spalling phenomenon, in order to avoid above situation, it is proposed that a kind of hydraulic prop anti-fall buffer device.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of hydraulic prop anti-fall buffer device, overcomes existing
There is the deficiency of technology, design is rationally, compact-sized, passes through the principle of same-sex repulsion and the first drawing of the first magnet and the second magnet
The elastic reaction of spring is stretched, impulse force that can be downward with buffering hydraulic pillar, so as to avoid causing because top plate pushes rapidly
Hydraulic cylinder spalling, while rotary table, slide bar and metal chock, the stability that can be improved hydraulic prop prevent hydraulic prop from toppling over.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of hydraulic prop anti-fall buffer device including top plate, the hydraulic prop ontology that is connected to top plate lower end, is socketed in
Annular connecting plate on hydraulic prop ontology is connected to the first magnet of hydraulic prop ontology lower end and is symmetrically connected to hydraulic branch
Feeler lever on column ontology further includes the anti-fall buffer device for being connected to hydraulic prop ontology lower end；
The anti-fall buffer device includes rotary table, the first extension spring, the second magnet, sleeve, slide bar, metal chock,
Two extension springs and limited block, open up on the rotary table fluted, and multiple sliding blocks, the cunning are connected on the side wall of the groove
Block is slidably connected in the sliding slot offered on hydraulic prop ontology, and the second magnet is connected on the bottom wall of the groove, described
Second magnet is connected on the first magnet by the first extension spring, and multiple sleeves are connected on the side wall of the rotary table, described
Slide bar is slidably connected on the inner sidewall of sleeve, the upper end of the slide bar contradicts annular connecting plate, the lower end connection of the slide bar
There is metal chock, limited block is connected on the slide bar, the limited block is connected on sleeve by the second extension spring.
Multiple brackets are connected on the rotary table, the upper end of multiple brackets is rotatably connected to corresponding with feeler lever
L shape bar.
The L shape bar is connected with rubber pad close to one end of hydraulic prop ontology.
The quantity of the sleeve is more than or equal to 4, and multiple sleeves are equally spaced in a ring.
The lower end of the rotary table is serrated.
The slide bar is in arc-shaped close to one end of annular connecting plate.
By iron chains connection there are two symmetrical hook on the hydraulic prop ontology, the hook is connected to top plate lower end
On the link of connection.
(3) beneficial effect
The utility model embodiment provides a kind of hydraulic prop anti-fall buffer device.Have it is following the utility model has the advantages that
1, it is combined by the structure of the first magnet, the first extension spring and the second magnet, the first magnet and the second magnet are same
Property is repelled each other, and can play certain buffer function, while the first extension spring can also improve certain buffer function, can be to avoid
When top plate pushes rapidly, lead to hydraulic cylinder spalling；
2, by the composite structure of annular connecting plate, sleeve, slide bar and metal chock, when hydraulic prop ontology moves down
When, annular connecting plate contradicts slide bar, is embedded into metal chock in ground, to improve the stability of hydraulic prop ontology, prevents
Topple over；
3, pass through the composite structure of bracket, L shape bar, rubber pad and feeler lever, when hydraulic prop ontology moves down, feeler lever
The one end for contradicting L shape bar makes the other end of L shape bar closely contradict hydraulic prop ontology by rubber pad, to improve again steady
It is qualitative, it prevents from toppling over；
Achieve the effect that anti-down buffering by a series of structure, there is very strong practicability.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 the utility model structure diagram；
Fig. 2 the utility model anti-fall buffer device schematic structural cross-sectional view；
Fig. 3 the utility model A structure enlargement diagram.
In figure: top plate 1, hydraulic prop ontology 2, annular connecting plate 21, the first magnet 22, feeler lever 23, anti-fall buffer device
3, rotary table 31, the first extension spring 32, the second magnet 33, sleeve 34, slide bar 35, metal chock 36, the second extension spring 37, limit
Position block 38, bracket 39, L shape bar 310, rubber pad 311.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to attached drawing, a kind of hydraulic prop anti-fall buffer device including top plate 1, is connected to the hydraulic prop of 1 lower end of top plate
Ontology 2, the annular connecting plate 21 being socketed on hydraulic prop ontology 2, the first magnet 22 for being connected to 2 lower end of hydraulic prop ontology
With the feeler lever 23 being symmetrically connected on hydraulic prop ontology 2.
It further include the anti-fall buffer device 3 for being connected to 2 lower end of hydraulic prop ontology, the anti-fall buffer device 3 includes circle
Platform 31, the first extension spring 32, the second magnet 33, sleeve 34, slide bar 35, metal chock 36, the second extension spring 37 and limit
Block 38, opens up on the rotary table 31 fluted, multiple sliding blocks is connected on the side wall of the groove, the sliding block is slidably connected at
In the sliding slot offered on hydraulic prop ontology 2, the second magnet 33, second magnet 33 are connected on the bottom wall of the groove
It is connected on the first magnet 22 by the first extension spring 32.
It is connected with multiple sleeves 34 on the side wall of the rotary table 31, slidably connects slide bar on the inner sidewall of the sleeve 34
35, the upper end of the slide bar 35 contradicts annular connecting plate 21, and the lower end of the slide bar 35 is connected with metal chock 36, the slide bar
Limited block 38 is connected on 35, the limited block 38 is connected on sleeve 34 by the second extension spring 37.
Multiple brackets are connected on the rotary table 31, the upper end of multiple brackets is rotatably connected to opposite with feeler lever 23
The L shape bar 310 answered, prevents hydraulic prop ontology 2 from toppling over.
The L shape bar 310 is connected with rubber pad 311 close to one end of hydraulic prop ontology 2, makes L shape bar 310 and hydraulic branch
Column ontology 2 contacts closer, prevents hydraulic prop ontology 2 from toppling over.
The quantity of the sleeve 34 is more than or equal to 4, and multiple sleeves 34 are equally spaced in a ring, and multiple sleeves 34 can
Improve the stability of hydraulic prop ontology 2.
The lower end of the rotary table 31 is serrated, play the role of it is anti-skidding, prevent rotary table 31 sliding lead to hydraulic prop ontology 2
Topple over.
The slide bar 35 is in arc-shaped close to one end of annular connecting plate 21, prevents damage annular connecting plate 21.
By iron chains connection there are two symmetrical hook on the hydraulic prop ontology 2, the hook is connected under top plate 1
On the link for holding connection, prevents top plate 1 from falling from hydraulic prop ontology 2, top plate 1 is played a certain protective role.
As shown in Figure 1-3, a kind of hydraulic prop anti-fall buffer device working principle is as follows:
When top plate 1, which presses hydraulic prop ontology 2, to be moved down, due to the first magnet 22 and the phase at the same level of the second magnet 33
It is right, and start to generate repulsion, impulse force that can be downward with buffering hydraulic pillar ontology 2, while deformation occurs for the first extension spring 32
Buffer function is again served to, hydraulic cylinder spalling can be led to avoid because top plate pushes rapidly；
Rotary table 31 can be improved hydraulic prop ontology 2 with the contact area on ground to prevent from toppling over, while rotary table 31
Lower end is serrated, and prevents rotary table 31 from sliding, the purpose for preventing hydraulic prop ontology 2 from toppling over can be also played, with hydraulic prop
Ontology 2 moves down, and the annular connecting plate 21 on hydraulic prop ontology 2 contradicts slide bar 35, while feeler lever 23 contradicts L shape bar 310,
Slide bar 35 moves down and is embedded into metal chock 36 in ground, to strengthen the stability of hydraulic prop ontology 2 again, prevents
Only topple over, feeler lever 23 contradicts L shape bar 310, and the other end of L shape bar 310 is made closely to contradict hydraulic prop ontology by rubber pad 311
2, the stability of hydraulic prop ontology 2 is improved again；
Achieve the effect that anti-down buffering by a series of structure, there is very strong practicability.
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.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. a kind of hydraulic prop anti-fall buffer device, including top plate, the hydraulic prop ontology that is connected to top plate lower end, it is socketed in liquid
The annular connecting plate on pillar ontology is pressed, the first magnet of hydraulic prop ontology lower end is connected to and is symmetrically connected to hydraulic prop
Feeler lever on ontology, it is characterised in that: further include the anti-fall buffer device for being connected to hydraulic prop ontology lower end；
The anti-fall buffer device includes rotary table, the first extension spring, the second magnet, sleeve, slide bar, metal chock, the second drawing
Spring and limited block are stretched, opens up fluted on the rotary table, is connected with multiple sliding blocks on the side wall of the groove, the sliding block is sliding
It is dynamic to be connected in the sliding slot offered on hydraulic prop ontology, it is connected with the second magnet on the bottom wall of the groove, described second
Magnet is connected on the first magnet by the first extension spring, and multiple sleeves, the sleeve are connected on the side wall of the rotary table
Inner sidewall on slidably connect slide bar, the upper end of the slide bar contradicts annular connecting plate, and the lower end of the slide bar is connected with gold
Belong to chock, is connected with limited block on the slide bar, the limited block is connected on sleeve by the second extension spring.
2. a kind of hydraulic prop anti-fall buffer device as described in claim 1, it is characterised in that: be connected on the rotary table more
A bracket, the upper end of multiple brackets are rotatably connected to L shape bar corresponding with feeler lever.
3. a kind of hydraulic prop anti-fall buffer device as claimed in claim 2, it is characterised in that: the L shape bar is close to hydraulic
One end of pillar ontology is connected with rubber pad.
4. a kind of hydraulic prop anti-fall buffer device as described in claim 1, it is characterised in that: the quantity of the sleeve is greater than
Equal to 4, and multiple sleeves are equally spaced in a ring.
5. a kind of hydraulic prop anti-fall buffer device as described in claim 1, it is characterised in that: the lower end of the rotary table is in saw
Dentation.
6. a kind of hydraulic prop anti-fall buffer device as described in claim 1, it is characterised in that: the slide bar connects close to annular
One end of fishplate bar is in arc-shaped.
7. a kind of hydraulic prop anti-fall buffer device as described in claim 1, it is characterised in that: on the hydraulic prop ontology
By iron chains connection there are two symmetrical hook, the hook is connected on the link of top plate lower end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821083236.6U CN208564595U (en) | 2018-07-10 | 2018-07-10 | A kind of hydraulic prop anti-fall buffer device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821083236.6U CN208564595U (en) | 2018-07-10 | 2018-07-10 | A kind of hydraulic prop anti-fall buffer device |
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| CN208564595U true CN208564595U (en) | 2019-03-01 |
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| CN201821083236.6U Active CN208564595U (en) | 2018-07-10 | 2018-07-10 | A kind of hydraulic prop anti-fall buffer device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206948A (en) * | 2020-03-30 | 2020-05-29 | 中国矿业大学(北京) | Roadway roof supporting device and method |
| CN111691688A (en) * | 2020-06-16 | 2020-09-22 | 中国建筑股份有限公司 | Jacking supporting device for building construction and using method |
-
2018
- 2018-07-10 CN CN201821083236.6U patent/CN208564595U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206948A (en) * | 2020-03-30 | 2020-05-29 | 中国矿业大学(北京) | Roadway roof supporting device and method |
| CN111691688A (en) * | 2020-06-16 | 2020-09-22 | 中国建筑股份有限公司 | Jacking supporting device for building construction and using method |
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