CN206129309U - Coal face draws in net device - Google Patents
Coal face draws in net device Download PDFInfo
- Publication number
- CN206129309U CN206129309U CN201621119361.9U CN201621119361U CN206129309U CN 206129309 U CN206129309 U CN 206129309U CN 201621119361 U CN201621119361 U CN 201621119361U CN 206129309 U CN206129309 U CN 206129309U
- Authority
- CN
- China
- Prior art keywords
- wire rope
- hook
- steel wire
- metal mesh
- coal
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a coal face draws in net device, including setting up in the gyro wheel at hydraulic support top, wear to be equipped with a wire rope on the gyro wheel, wire rope's first end is connected with two supplementary wire rope, and supplementary wire rope's free end all is equipped with the couple that is used for the hook metal mesh, and wire rope's second end is fixed with the couple, is equipped with the link on hydraulic support's the stand cylinder body. The utility model discloses the couple that utilizes supplementary wire rope free end hooks the metal mesh to applying the pulling force to the metal mesh by wire rope, retracting the metal mesh to the gyro wheel direction, supplementary wire rope sets up as and makes metal mesh the force balance in the two different positions that can distinguish the hook metal mesh, can hang the couple of wire rope second end on the link when suitable position is moved to the metal mesh, make wire rope apply the pulling force to the metal mesh, the staff joins the metal mesh that retracts. The staff just can accomplish the networking below hydraulic support, needn't stride across the cargo airplane and operate near the rib, has improved the security.
Description
Technical field
The utility model is related to coal-cutting machinery technical field, more particularly to a kind of coal-face drawing device.
Background technology
Fully mechanized mining（Put）Production practice is the main method of current pit mining coal in the world, either top-coal caving face
Or large-mining-height working surface, face roof maintenance is the problem of the most important thing all the time.The conventional means that face roof is safeguarded
It is, as force piece is elapsed forward, to lay wire netting between support and top board, connection forms a block of metal net, can be with
Top board is effectively protected, broken coal and rubble that face roof drops can be caught, it is to avoid injure holdee by a crashing object.
The method of traditional assembling wire netting is the transporter before first support out of service, and workman is across transporter station in coal
Wire netting is recovered to before support before wall is networked.Folding side can occur at any time in ature of coal hardness relatively low working face wall, fall
The broken charcoal of the bulk that falls is hurted sb.'s feelings, and workman is carrying out networking work, is focused on receipts net work and is difficult to recognize danger, easily
There is coal cinder and fall generation security incident.And transporter may be run by other staff's maloperation, the personnel of feed row networking make
Into very big potential safety hazard.
Utility model content
The utility model is directed to the deficiencies in the prior art, there is provided a kind of coal-face drawing device, improves security.
The utility model is achieved by the following technical solution, there is provided a kind of coal-face drawing device, including setting
The roller being placed at the top of hydraulic support, is equipped with steel cable on the roller, the first end of the steel wire rope is connected with two
Root auxiliary steel wire rope, the free end of the auxiliary steel wire rope is equipped with the hook for hooking wire netting, and the of the steel wire rope
Two ends are fixed with hook, and the column cylinder body of the hydraulic support is provided with link.
The utility model can hook wire netting by the hook of auxiliary steel wire rope free end, and by steel wire rope to wire netting
Apply pulling force, wire netting way roller direction is retracted, auxiliary steel wire rope is set to two differences that can respectively hook wire netting
Position, makes wire netting stress balance；The hook at the end of steel wire rope second can be hung on link when wire netting moves correct position to,
Steel wire rope is set to apply pulling force to wire netting, staff is coupled to the wire netting for retracting.Staff is under hydraulic support
Side can just complete networking, it is not necessary to be operated near rib across transporter, improve security.
Preferably, the pull bar for supporting the hook motion is removably connected with the hook.
The hand-held pull bar operation hook of staff, makes hook be easier to hook wire netting, convenient operation.
Preferably, the hook is connected with the pull rod screw, and one end of the hook is provided with internal thread, the pull bar
One end is provided with the internal thread on the hook to the external screw thread for coordinating.
Preferably, the pull bar includes at least two section hollow stems, and grafting coordinates between hollow stem described in two adjacent sections, adjacent
The grafting abutting end of the two sections hollow stem, one is interspersed end, and another is socket end, and in the body of rod at interspersed end bullet is provided with
Property flexible spacing clamping key, be provided with the body of rod at socket end and wear the blocked hole for connecing spacing clamping key.
The adjustable length of pull bar, it is easy to use, it is convenient to deposit when compressing on pull bar using when finishing.
The technical scheme that the utility model embodiment is provided can include following beneficial effect：
The utility model provides a kind of coal-face drawing device, including the roller being arranged at the top of hydraulic support, institute
State and be equipped with roller steel cable, the first end of the steel wire rope is connected with two auxiliary steel wire ropes, the auxiliary steel wire
The free end of rope is equipped with the hook for hooking wire netting, and the second end of the steel wire rope is fixed with hook, the hydraulic pressure
The column cylinder body of frame is provided with link.The utility model can hook wire netting by the hook of auxiliary steel wire rope free end, and
Pulling force is applied to wire netting by steel wire rope, wire netting way roller direction is retracted, auxiliary steel wire rope is set to two can be respectively
The diverse location of wire netting is hooked, wire netting stress balance is made；Can be by the end of steel wire rope second when wire netting moves correct position to
Hook hang on link, make steel wire rope apply pulling force to wire netting, staff is coupled to the wire netting for retracting.Work
Personnel can just complete networking below hydraulic support, it is not necessary to be operated near rib across transporter, improve security.
Description of the drawings
For clearer explanation the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it is clear that, to those skilled in the art,
On the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of structural representation of coal-face drawing device that Fig. 1 is provided for the utility model embodiment.
A kind of structural representation of the hook of coal-face drawing device that Fig. 2 is provided for the utility model embodiment.
A kind of structural representation of the pull bar of coal-face drawing device that Fig. 3 is provided for the utility model embodiment.
Shown in figure：Hydraulic support 1, link 2, steel wire rope 3, the first auxiliary steel wire rope 3.1, the second auxiliary steel wire rope 3.2,
Hook 4, roller 5, wire netting 6, pull bar 7.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the utility model, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of the utility model, rather than the embodiment of whole.Based on the utility model
In embodiment, the every other embodiment that those skilled in the art are obtained under the premise of creative work is not made, all
Protection domain of the present utility model should be belonged to.
Referring to Fig. 1, a kind of structural representation of coal-face drawing device of the utility model embodiment offer is shown
Figure.
As shown in Figure 1, the coal-face drawing device includes being arranged at the roller 5 at the top of hydraulic support 1, the rolling
Steel cable 3 is equipped with wheel 5, the first end of the steel wire rope 3 is connected with the first auxiliary steel wire rope 3.1 and the second auxiliary steel
Cord 3.2, the free end of the auxiliary steel wire rope 3.2 of first auxiliary steel wire rope 3.1 and second is equipped with for hooking wire netting 6
Hook 4, the second end of the steel wire rope 3 is fixed with hook 4, and the column cylinder body of the hydraulic support 1 is provided with link 2.
In the present embodiment, when the coal-face drawing device carries out drawing in the net to operate, first with the first auxiliary steel wire
The hook 4 of rope 3.1 and the free end of the second auxiliary steel wire rope 3.2 hooks wire netting 6, and the first auxiliary steel wire rope 3.1 and second is auxiliary
Help steel wire rope 3.2 to hook the two ends of wire netting 6 respectively, make the stress balance of wire netting 6, so that the equal stretchy in the two ends of wire netting 6,
Rather than one jiao of wire netting 6 is only pulled, subsequently to be networked, hook the steel wire that the other end of roller 5 is pulled after wire netting 6
Rope 3, makes wire netting 6 reach under the pulling force effect of steel wire rope 3 under the top of hydraulic support 1, when wire netting 6 reaches suitable networking
Position after the hook 4 at the end of wire netting second is hung on link 2, by steel wire rope 3 pulling force tense wire netting 6, now, work
Making personnel can unclamp steel wire rope 3, and wire netting 6 is networked, and hook 4 is removed after the completion of networking, will when coal-winning machine is translated
The wire netting that will be coupled of taking advantage of a situation lays and abuts against roof.
In one embodiment of the present utility model, the quantity of the auxiliary steel wire rope can be incessantly two, Ke Yishe
Put three, four it is even more many, can be arranged according to practical operation situation, the present embodiment is not defined.
Wire netting 6 can be pulled to the top of hydraulic support 1 lower section by the coal-face drawing device that the utility model is provided
After carry out networking operation, make staff below hydraulic support just can complete networking, it is not necessary to enter near rib across transporter
Row operation, improves security.
Further, the pull bar 7 for supporting the motion of hook 4 is removably connected with the hook 4.
In the present embodiment, when carrying out drawing in the net to operate, staff can be with one end of the hand-held pull bar 7, due to pull bar 7
The other end is removably connected on hook 4, and when staff moves one end of pull bar 7, the hook 4 of the other end is also moved,
Make hook 4 more easily tangle wire netting 6, after wire netting 6 reaches relevant position, pull bar 7 can be removed from hook 4,
Pull bar 7 is avoided to hinder networking operation, simple structure is easy to use.
Specifically, the hook 4 is threadedly coupled with the pull bar 7, as shown in Fig. 2 one end of the hook 4 is provided with interior spiral shell
Line, one end of the pull bar 7 is provided with the internal thread on the hook 4 to the external screw thread for coordinating.
Further, as shown in figure 3, the pull bar 7 includes at least two section hollow stems 7.1, hollow stem described in two adjacent sections
Grafting between 7.1 coordinates, the grafting abutting end of hollow stem 7.1 described in two adjacent sections, and one is interspersed end, and another is socket
End, is provided with the spacing clamping key 7.2 of elastic telescopic in the body of rod at interspersed end, and being socketed to be provided with to wear on the body of rod at end limiting card is connect
Connect the blocked hole 7.3 of key 7.2.
In the present embodiment, the pull bar 7 includes three section hollow stems 7.1, and hollow stem 7.1 described in the first segment at top is most thin,
And the top of first segment hollow stem 7.1 is provided with external screw thread, second section and Section of three hollow stem 7.1 below is thicker successively,
Spacing clamping key 7.2 is respectively arranged with the bottom of first segment hollow rod body and second section hollow rod body, in second section hollow stem
Offer blocked hole 7.3 in the upper portion side wall of body and Section of three hollow rod body respectively, first segment hollow rod body is plugged in second section
In hollow rod body, and can stretch inside second section hollow rod body, stretching first segment hollow rod body is arranged on to after to greatest extent
The spacing clamping key 7.2 of first segment hollow rod body bottom snaps in the blocked hole being opened in second section hollow rod body upper portion side wall
In 7.3, so as to both positions be fixed；When needing first segment hollow rod body retraction second section hollow rod body inside, only need
The spacing clamping key 7.2 of first segment hollow rod body bottom is pressed, then first segment hollow rod body second section hollow rod body is pushed into
Interior, the annexation of second section hollow rod body and Section of three hollow rod body is with scaling operation ibid.It is described hollow when using
The quantity and length of bar 7.1 can be arranged according to actual needs, and the present embodiment is not defined.
In the utility model, the adjustable length of the pull bar 7 is easy to use, can be by pull bar 7 after pull bar 7 is used and finished
Compression, convenient storage.
Certainly, described above is also not limited to the example above, and the utility model can lead to without the technical characteristic of description
Cross or realized using prior art, will not be described here；Above example and accompanying drawing are merely to illustrate technology of the present utility model
Scheme is not that, to restriction of the present utility model, reference has preferred embodiment been described in detail to the utility model, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in essential scope of the present utility model
Change, remodeling, addition or the replacement made should also belong to right of the present utility model without departure from objective of the present utility model
Claimed scope.
Claims (4)
1. a kind of coal-face drawing device, it is characterised in that including being arranged at hydraulic support（1）The roller at top（5）, institute
State roller（5）On be equipped with steel cable（3）, the steel wire rope（3）First end be connected with the first of two equal lengths
Auxiliary steel wire rope（3.1）With the second auxiliary steel wire rope（3.2）, first auxiliary steel wire rope（3.1）With the second auxiliary steel wire rope
（3.2）Free end be equipped with for hooking wire netting（6）Hook（4）, the steel wire rope（3）The second end be fixed with hook
（4）, the hydraulic support（1）Column cylinder body be provided with link（2）.
2. coal-face drawing device according to claim 1, it is characterised in that the hook（4）On detachably connect
It is connected to for supporting the hook（4）The pull bar of motion（7）.
3. coal-face drawing device according to claim 2, it is characterised in that the hook（4）With the pull bar
（7）Threaded connection, the hook（4）One end be provided with internal thread, the pull bar（7）One end be provided with and the hook（4）On
Internal thread to coordinate external screw thread.
4. coal-face drawing device according to claim 3, it is characterised in that the pull bar（7）Including at least two
Section hollow stem（7.1）, hollow stem described in two adjacent sections（7.1）Between grafting coordinate, hollow stem described in two adjacent sections（71）Insert
Abutting end is connect, one is interspersed end, and another is socket end, and the spacing clamping key of elastic telescopic is provided with the body of rod at interspersed end
（7.2）, it is provided with the body of rod at socket end and wears the blocked hole for connecing spacing clamping key（7.3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119361.9U CN206129309U (en) | 2016-10-13 | 2016-10-13 | Coal face draws in net device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119361.9U CN206129309U (en) | 2016-10-13 | 2016-10-13 | Coal face draws in net device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129309U true CN206129309U (en) | 2017-04-26 |
Family
ID=58573398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621119361.9U Expired - Fee Related CN206129309U (en) | 2016-10-13 | 2016-10-13 | Coal face draws in net device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931084A (en) * | 2017-12-19 | 2019-06-25 | 淮北矿业股份有限公司 | A kind of laying method of coal working face protective net |
| CN110043260A (en) * | 2019-05-17 | 2019-07-23 | 中国矿业大学(北京) | A method of filling coal mining is carried out using conventional hydraulic bracket |
-
2016
- 2016-10-13 CN CN201621119361.9U patent/CN206129309U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931084A (en) * | 2017-12-19 | 2019-06-25 | 淮北矿业股份有限公司 | A kind of laying method of coal working face protective net |
| CN110043260A (en) * | 2019-05-17 | 2019-07-23 | 中国矿业大学(北京) | A method of filling coal mining is carried out using conventional hydraulic bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20211013 |