CN209539383U - A kind of automatic telescopic hydraulic support protecting screen structure - Google Patents
A kind of automatic telescopic hydraulic support protecting screen structure Download PDFInfo
- Publication number
- CN209539383U CN209539383U CN201920137611.9U CN201920137611U CN209539383U CN 209539383 U CN209539383 U CN 209539383U CN 201920137611 U CN201920137611 U CN 201920137611U CN 209539383 U CN209539383 U CN 209539383U
- Authority
- CN
- China
- Prior art keywords
- protective net
- hydraulic
- support
- storage device
- automatic telescopic
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of automatic telescopic hydraulic support protecting screen structures, including the support platform being fixed on bracket and two hydraulic cylinders, two hydraulic cylinders are mounted on bracket base, the telescopic arm of two hydraulic cylinders lift support platform above the bracket base on, lower movement, a protective net retraction storage device is relatively set in support platform bottom surface and pedestal, one protective net is telescopic from protective net retraction storage device to be pulled out on the bracket base being fixed between two hydraulic cylinders, the width of protective net covers the space between two hydraulic cylinder width, protective net pushes the distance change up and down of support platform with hydraulic cylinder extension arm from the length that protective net retraction storage device stretches out and changes.The utility model structure is simple, and protective net can be with hydraulic support height change automatic telescopic.Protective net is easy to disassemble, and maintenance cost is low, and recovery utilization rate is high, securely and reliably, can play a protective role in hydraulic support height change gamut.
Description
Technical field
The utility model relates to a kind of automatic telescopic hydraulic support protecting screen structures.
Background technique
Coal-mine hydraulic support is a kind of set using fluid pressure generation support force and the automatic shifting of realization to carry out top plate branch
A kind of hydraulic power unit of shield and management, is mainly used for horizontal plane and the gently inclined thick coal seam less than or equal to 10 degree along bottom plate one
The longwall full-mechanized mining technique working face of secondary Sub-Level Caving mining full height exploitation, is also applied for severe inclined thick coal seam horizontal slice fully mechanized caving coal work
Make face, hydraulic power unit is divided into protected type, support shield type, three kinds of brace type, has longitudinal stability good, and protective is strong,
The advantages that advancing velocity is fast, adaptable to top plate is the indispensable corollary equipment of comprehensive mechanical coal mining.
In production, it will usually fixed height formula protective net be installed between two column of bracket, personnel stand in this protective net
Rear operation, during preventing coal machine cut coal, the generation for the coal cinder casualty accident that flies out, this protective net play protection staff avoid by
Hurt the effect of thing.However, current hydraulic support protective net, the height of protective net be it is fixed, fixed height protective net is using
It is upper to there are problems that two:
(1) when hydraulic support is too low using height, protective net is easy the damage that is squeezed since height is constant；
(2) when hydraulic support is too high using height, protective net will appear it is hollow do not have a due protective action, by hand
Leak repairing sky is time-consuming, laborious, influences work.
Summary of the invention
The purpose of this utility model is to propose a kind of automatic telescopic hydraulic support protecting screen structure, using telescopic type knot
Structure, protective net are fixed on axis, are usually retracted in box, and when bracket rises, protective net is drawn out out of box with the rising of bracket,
It realizes Automatic-drawing function, plays the role of full protection.
To achieve the goals above, the technical solution of the utility model is: a kind of automatic telescopic hydraulic support protective net knot
Structure, including the support platform being fixed on bracket and two hydraulic cylinders, two hydraulic cylinders are mounted on bracket base, and two hydraulic
The telescopic arm of cylinder is lifted support platform and is moved up and down above bracket base, wherein sets support platform bottom surface is opposite with pedestal
It is equipped with a protective net retraction storage device, the telescopic pull-out from protective net retraction storage device of a protective net is fixed on
On bracket base between two hydraulic cylinders, the width of protective net covers the space between two hydraulic cylinder width, protective net
The length stretched out from protective net retraction storage device pushes the distance change up and down of support platform with hydraulic cylinder extension arm and changes.
Scheme is further: the protective net retraction storage device includes a box body, and a spool, volume are arranged in box body
Axis is fixed on the opposite end plate in box body two sides, at least sets in a side end panel for winding protective net, the both ends rotation of spool
It is equipped with winding circlip, one end connection roller tube end of circlip is wound, winds the other end connection board of circlip.
Scheme is further: protective net winding alignment snap-gauge is provided on the inside of the end plate, the winding circlip is set
It sets between alignment snap-gauge and end plate.
Scheme is further: the box body further includes there are four support rod, and four support rods will on four angles of end plate
Two sides are connected and fixed with respect to end plate, on the inside of four support rods, the shield of protective net are provided with around spool, on the shield
It is provided with opening, the protective net wound on spool is drawn from opening.
Scheme is further: be provided with guide plate between the two sides end plate of shield opening, protective net pass through guide plate from
Opening is drawn.
Scheme is further: hook is provided on the bracket base, the protective net is fixed on two by hook
On bracket base between hydraulic cylinder.
The beneficial effect of the utility model compared with prior art is:
1, structure is simple, and protective net can be with hydraulic support height change automatic telescopic.
2, easy to disassemble, maintenance cost is low, and recovery utilization rate is high.
3, the present apparatus is safe and reliable, can play a protective role in hydraulic support height change gamut.
The utility model is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the utility model axis of no-feathering side schematic diagram；
Fig. 2 is the utility model protective net retraction storage device；
Fig. 3 is the utility model protective net retraction storage device decomposition diagram.
Specific embodiment
A kind of automatic telescopic hydraulic support protecting screen structure, as shown in Figure 1, the automatic telescopic hydraulic support protective net packet
The support platform 1 being fixed on bracket and two hydraulic cylinders 2 are included, two hydraulic cylinders are mounted on bracket base 3, two hydraulic cylinders
Telescopic arm lift support platform and moved up and down above bracket base to adapt to requirements of one's work, wherein at support platform bottom
Face and pedestal are relatively set with a protective net retraction storage device 4, and a protective net 5 can from protective net retraction storage device
Flexible pull-out is fixed on the bracket base between two hydraulic cylinders, the width of protective net cover two hydraulic cylinder width it
Between space, protective net from protective net retraction storage device stretch out length with hydraulic cylinder extension arm push support platform up and down
Distance change and change.In order to dismantle, it is easy to connect, hook 301, protective net exit are provided on the bracket base 3
Portion is provided with hanging plate 501, the protective net 5 by hanging plate 501 and hook 301 can be easy to disassemble be fixed on two hydraulic cylinders 2
Between bracket base 3 on.
As shown in Figures 2 and 3: the protective net retraction storage device includes a box body 401, one volume of setting in box body
Axis 402, spool is for winding protective net, and for protective net on spool, the both ends rotation of spool 402 is fixed on box body in use
On the opposite end plate 403 in two sides, winding circlip 404 is at least provided in a side end panel, in the present embodiment, in order to which strength is equal
Weighing apparatus is respectively arranged with winding circlip 404 on the end plate of two sides, winds one end connection roller tube end of circlip, winds the another of circlip
Connection board is held, winding circlip plays the role of storage energy.Energy is stored when protective net stretches out, namely support platform rises
Amount, when support platform decline, protective net is taken in box body 401 automatically.Protective net winding alignment card is provided on the inside of end plate
Plate 405, the winding circlip setting is between alignment snap-gauge 405 and end plate 403.
In order to keep protective net retraction storage device firm: the box body further includes that there are four support rod 406, four support rods
Two sides are connected and fixed with respect to end plate on four angles of end plate, on the inside of four support rods, spool is provided with protective net
Shield 407, opening 407-1 is provided on the shield, the protective net wound on spool is drawn from opening.Wherein: protecting
Guide plate 408 is provided between the two sides end plate of cover opening, protective net passes through guide plate and draws from opening.
Under normal condition, diamond shape protective net is fully retracted into box, and rhombus net pull-out is hung over bracket bottom when use
On the hook of seat 3, protective net retraction storage device is fixed by bolts on 1 top beam of support platform between two hydraulic cylinders 2, benefit
Protective net is pulled out with the power of two 2 telescopic arms of hydraulic cylinder, protective net can play protection according to the raising Automatic-expanding of telescopic arm
The effect of personnel safety in frame prevents coal wall from hurting sb.'s feelings come when pressing, coal cinder is jumped out.It is flexible that protective net can lean on itself pulling force to follow
, can be according to the height free extension of mining height in arm retracting device, adaptive mining height range is wide, effective protection personnel and equipment peace
Entirely.Part protective net below telescopic arm outer cylinder body, substantially motionless during normal production, telescopic arm above section is free extension area
Domain is not easy the lifting damage protective net because of telescopic arm, will not or Tai Gao too low because of mining height and damage protective net, and being capable of root
Protective net is fully retracted into device according to need of work, does not have to remove protective net when replacing telescopic boom cylinder.
Claims (6)
1. a kind of automatic telescopic hydraulic support protecting screen structure, including the support platform being fixed on bracket and two hydraulic cylinders,
Two hydraulic cylinders are mounted on bracket base, and it is upper and lower above bracket base that the telescopic arm of two hydraulic cylinders lifts support platform
It is mobile, which is characterized in that be relatively set with a protective net retraction storage device, a protection in support platform bottom surface and pedestal
Net is telescopic from protective net retraction storage device to be pulled out on the bracket base being fixed between two hydraulic cylinders, protective net
Width covers the space between two hydraulic cylinder width, and the length that protective net is stretched out from protective net retraction storage device is with hydraulic
Cylinder telescopic arm pushes the distance change up and down of support platform and changes.
2. automatic telescopic hydraulic support protecting screen structure according to claim 1, which is characterized in that the protective net retraction
Storage device includes a box body, and a spool is arranged in box body, and for winding protective net, the both ends of spool rotate to be fixed spool
On the opposite end plate in box body two sides, it is at least provided with winding circlip in a side end panel, winds one end connection spool of circlip
End winds the other end connection board of circlip.
3. automatic telescopic hydraulic support protecting screen structure according to claim 2, which is characterized in that in the end plate
Side is provided with protective net winding alignment snap-gauge, and the winding circlip setting is between alignment snap-gauge and end plate.
4. automatic telescopic hydraulic support protecting screen structure according to claim 2, which is characterized in that the box body further includes
There are four support rod, two sides are connected and fixed by four support rods on four angles of end plate with respect to end plate, in four support rods
Side is provided with the shield of protective net around spool, is provided with opening on the shield, and the protective net wound on spool is from opening
It draws.
5. automatic telescopic hydraulic support protecting screen structure according to claim 4, which is characterized in that the two of shield opening
Guide plate is provided between side end panel, protective net passes through guide plate and draws from opening.
6. automatic telescopic hydraulic support protecting screen structure according to claim 1, which is characterized in that in the bracket base
On be provided with hook, the protective net is fixed on the bracket base between two hydraulic cylinders by hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137611.9U CN209539383U (en) | 2019-01-28 | 2019-01-28 | A kind of automatic telescopic hydraulic support protecting screen structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137611.9U CN209539383U (en) | 2019-01-28 | 2019-01-28 | A kind of automatic telescopic hydraulic support protecting screen structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209539383U true CN209539383U (en) | 2019-10-25 |
Family
ID=68271806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920137611.9U Active CN209539383U (en) | 2019-01-28 | 2019-01-28 | A kind of automatic telescopic hydraulic support protecting screen structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209539383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216666A (en) * | 2021-05-06 | 2021-08-06 | 中铁建工集团有限公司 | Rolling type dense mesh net |
-
2019
- 2019-01-28 CN CN201920137611.9U patent/CN209539383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216666A (en) * | 2021-05-06 | 2021-08-06 | 中铁建工集团有限公司 | Rolling type dense mesh net |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207226920U (en) | A kind of tower crane lifting body | |
| CN209539383U (en) | A kind of automatic telescopic hydraulic support protecting screen structure | |
| CN108533301A (en) | Front and rear formula end hydraulic support and shifting frame method easy to remove | |
| CN211397627U (en) | Supporting device for tunnel construction | |
| CN216866740U (en) | Underground protection supporting device | |
| CN208700448U (en) | Anti- high wind derrick crane pylon | |
| CN203362199U (en) | End-head hydraulic support for fully mechanized mining face | |
| CN207568639U (en) | Trigonum shielding apparatus | |
| CN207524853U (en) | A kind of gate folding-jib lorry-mounted crane | |
| CN204170002U (en) | A kind of artificial digging pile safety apparatus | |
| CN203461787U (en) | Falling-preventing safe lifting platform | |
| CN201771528U (en) | Coal mine fully mechanized working face flying recrement resisting wall supporting device | |
| CN202832574U (en) | Large mining height hydraulic support | |
| CN205297613U (en) | Formula temporary support support is moved certainly in colliery headwork face in pit | |
| CN102251788A (en) | Hydraulic shield type support for mining steeply inclined coal seam | |
| CN205618184U (en) | Dismantling device | |
| CN208546180U (en) | Super large mining high-covering type hydraulic bracket | |
| CN210799012U (en) | Waste rock blocking device and hydraulic support | |
| CN109372326A (en) | Outdoor deep embeded type hydraulic lifting safe fence bar and method for arranging | |
| CN207131431U (en) | Hydraulic bracket side guard plate position limiting structure | |
| CN211737058U (en) | Drilling machine mechanism capable of preventing misoperation | |
| CN202730818U (en) | Shed supporting mechanism installed on loader-digger | |
| CN208948789U (en) | Forklift fixture | |
| CN207420612U (en) | A kind of all-hydraulic Anchor Care telescoping mechanism | |
| CN215759011U (en) | Device for assisting pile driver in adjusting height in limited space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |