CN209129637U - A kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column - Google Patents
A kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column Download PDFInfo
- Publication number
- CN209129637U CN209129637U CN201821358056.4U CN201821358056U CN209129637U CN 209129637 U CN209129637 U CN 209129637U CN 201821358056 U CN201821358056 U CN 201821358056U CN 209129637 U CN209129637 U CN 209129637U
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- China
- Prior art keywords
- column
- interlocking
- hydraulic
- blocking lever
- protective device
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- 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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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 238000005065 mining Methods 0.000 title claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 36
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 claims description 16
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000003796 beauty Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model provides a kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column; including foundation and hydraulic column; foundation top middle portion is connected with hydraulic column; setting has a column liquid-filling valve in the middle part of hydraulic column; it is provided with blocking lever in the middle part of hydraulic column, is welded with fixed chain in the middle part of blocking lever, blocking lever right side central is welded with the first interlocking joint; blocking lever left side central portion is welded with the second interlocking joint, and the second interlocking joint upper and lower ends, which are embedded in, is provided with connecting hole.The utility model whole device stable structure, securely and reliably, production are simple, carry and easy to operate, i.e., beautiful to can guarantee the frank of a column again, greatly reduce the investment and use of material cost, and improve safety coefficient.
Description
Technical field
The utility model relates to coal mine appliance technology, the anti-down protective device of specifically a kind of hydraulic column.
Background technique
It is influenced during coal production by regional geology condition variation, coal working face fortune, the processing of the lane Liu Liang advance support
In the process, it needs to take column cap protective measure and second protection measure when installing hydraulic column, generallys use plastic ties binding liquid
The mode of pressure point column column cap, but which cannot effectively prevent hydraulic column from toppling over and being caused top plate big by roof weighting
The phenomenon that area is caving.
Currently, install plastic ties used in hydraulic column mode binding it is different in size, influence standardize aesthetics, and
The rate of recovery is low, typically disposable, and plastic ties are influenced extremely to easily corrode and damage by regional condition, to cause
Point column leakage, which is toppled over, to be injured personnel by a crashing object and happens occasionally.Therefore a kind of secondary anti-down interlocking that can be recycled, be less likely to be damaged is studied
Protective device is current problem to be solved.
Utility model content
The utility model is intended to solve long by the way of plastic ties binding to coal mining hydraulic point column in the prior art
It is short it is different, the rate of recovery is low, and the technical issues of hydraulic column is easily corroded and damaged, it is secondary to provide a kind of coal mining hydraulic point column
Anti-down protective device is interlocked, by components such as setting foundation, hydraulic column, point column liquid-filling valve, fixed chain, blocking levers, so that
The secondary anti-down protective device of interlocking of coal mining hydraulic point column is safe and reliable, and production is simple, carries and easy to operate, i.e., beautiful energy again
Guarantee the frank of point column, greatly reduces the investment and use of material cost, and improve safety coefficient, have to coal mine apparatus field
There is wide applicability.
To achieve the above object, the utility model provides the following technical solutions: a kind of secondary interlocking of coal mining hydraulic point column
Anti-down protective device, including foundation and hydraulic column, the foundation top middle portion are connected with hydraulic column, the hydraulic point
Setting has a column liquid-filling valve in the middle part of column, and blocking lever is provided in the middle part of the hydraulic column, is welded with fixation in the middle part of the blocking lever
Chain, the blocking lever right side central are welded with the first interlocking joint, and the blocking lever left side central portion is welded with the second interlocking and connects
Head, the second interlocking joint upper and lower ends, which are embedded in, is provided with connecting hole.
As a further solution of the present invention: the length of the blocking lever is 1m or 3m, and interlock rod outer surface electricity
It is coated with zinc-nickel alloy layer.
As a further solution of the present invention: the length of the fixed chain is 300mm, and fix chain other end
It is welded with hook, and a hydraulic column only connects a fixed chain.
As a further solution of the present invention: at left and right sides of described column liquid-filling valve top insertion be provided with it is recessed
Slot, and put column liquid-filling valve and be fastened by fixed chain with blocking lever.
As a further solution of the present invention: the fixed chain outer surface is electroplate with zinc-nickel alloy layer.
As a further solution of the present invention: the foundation bottom end is threaded with hydraulic cylinder.
As a further solution of the present invention: the foundation top middle portion insertion is provided with slideway, and hydraulic column
It is slidably connected by slideway and foundation.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, this practical length by fixed chain is 300mm, and fixed chain other end is welded with hook, and a liquid
Pressure point column only connects a fixed chain, and fixed chain length is unified, convenient for the fixation of equipment, while while beauty, makes
The connection of equipment is more firm.
2, this practical length by blocking lever is 1m or 3m, and interlocks rod outer surface and be electroplate with zinc-nickel alloy layer, is interlocked
Bar has good enabling capabilities, and hydraulic column can effectively be avoided to topple over and caused top plate large area to collapse by roof weighting
It falls, while there is good corrosion resistance, can repeatedly use.
3, originally practical to be electroplate with zinc-nickel alloy layer by fixed chain outer surface, fixed chain has good fixed work
With the corrosion resistance of zinc-nickel alloy layer is strong, in use, zinc-nickel alloy layer can effectively be avoided to be corroded damage, makes fixed chain
Item can repeatedly use.
To sum up, whole device stable structure, securely and reliably, production are simple, carry and easy to operate, i.e., beautiful to can guarantee again
The frank of column is put, greatly reduces the investment and use of material cost, and improve safety coefficient.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model.
Fig. 2 is the blocking lever structural schematic diagram of the utility model.
Fig. 3 is enlarged drawing at A in Fig. 1 of the utility model.
In figure: 1- foundation, hydraulic column of 2-, 201- point column liquid-filling valve, the fixed chain of 3-, 4- blocking lever, 401- first
Latching connector, the second interlocking joint of 402-, 4021- connecting hole.
Specific embodiment
Below in conjunction with the attached drawing in this practical embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~3 are please referred to, the utility model provides a kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column, packet
Foundation 1 and hydraulic column 2 are included, 1 top middle portion of foundation is connected with hydraulic column 2, and setting has a column note in the middle part of hydraulic column 2
Liquid valve 201 is provided with blocking lever 4 in the middle part of hydraulic column 2, fixed chain 3,4 right side central of blocking lever is welded in the middle part of blocking lever 4
It is welded with the first interlocking joint 401,4 left side central portion of blocking lever is welded with the second interlocking joint 402, on the second interlocking joint 402
Lower both ends, which are embedded in, is provided with connecting hole 4021.
Further, the length of blocking lever 4 is 1m or 3m, and 4 outer surface of blocking lever is electroplate with zinc-nickel alloy layer, blocking lever
4 have good enabling capabilities, and hydraulic column 2 can effectively be avoided to topple over and caused top plate large area to collapse by roof weighting
It falls, while there is good corrosion resistance, can repeatedly use.
Further, the length of fixed chain 3 is 300mm, and fixed 3 other end of chain is welded with hook, and a liquid
Pressure point column 2 only connects a fixed chain 3, and fixed 3 length of chain is unified, convenient for the fixation of equipment, while while beauty,
Keep the connection of equipment more firm.
Further, fluted, the setting of groove is arranged in insertion at left and right sides of point 201 top of column liquid-filling valve, can make solid
The connection for determining chain 3 and point column liquid-filling valve 201 is more firm, and puts column liquid-filling valve 201 and pass through fixed chain 3 and blocking lever 4
It is fastened, so that blocking lever 4 plays good fixed function, keeps the use of equipment more firm.
Further, fixed 3 outer surface of chain is electroplate with zinc-nickel alloy layer, and fixed chain 3 has good fixed function,
The corrosion resistance of zinc-nickel alloy layer is strong, in use, zinc-nickel alloy layer can effectively be avoided to be corroded damage, makes fixed chain 3
It can repeatedly use.
Further, 1 bottom end of foundation is threaded with hydraulic cylinder, transmits the hydraulic of hydraulic cylinder by foundation 1, pushes hydraulic
Point column 2 slides up and down, so that it is more convenient to use for equipment.
Further, the insertion of 1 top middle portion of foundation is provided with slideway, and hydraulic column 2 is connected by slideway and the sliding of foundation 1
It connects, hydraulic column 2 is slided up and down by slideway, so that standby, it is more convenient to use.
Working principle: whether detection device installs first, and then blocking lever 4 is placed at a column liquid-filling valve 201,
Binding is wound to blocking lever 4, hydraulic column 2 and point column liquid-filling valve 201 by fixed chain 3 again, then hook is hooked into connection
Locking bar 4, thus achieve the effect that it is fixed, then by more blocking levers 4 pass through the first interlocking joint 401, the second interlocking joint 402
It is attached, then fixed by connecting hole 4021 with screw, is dismantled after use, while the length of blocking lever 4
For 1m or 3m, and 4 outer surface of blocking lever is electroplate with zinc-nickel alloy layer, and blocking lever 4 has good enabling capabilities, can effectively keep away
Exempt from hydraulic column 2 to topple over and caused roof falling over great extent by roof weighting, while there is good corrosion resistance, it can be more
Secondary reuse, fixed 3 outer surface of chain are electroplate with zinc-nickel alloy layer, and fixed chain 3 has good fixed function, and zinc-nickel closes
The corrosion resistance of layer gold is strong, in use, zinc-nickel alloy layer can effectively be avoided to be corroded damage, keeps fixed chain 3 multiple
It reuses.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as practical
Novel protection scope, these all will not influence the effect and patent practicability of the utility model implementation.
Claims (7)
1. a kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column, including foundation (1) and hydraulic column (2), the bottom
Column (1) top middle portion is connected with hydraulic column (2), it is characterised in that: setting has a column note in the middle part of the hydraulic column (2)
Liquid valve (201), hydraulic column (2) middle part are provided with blocking lever (4), are welded with fixed chain in the middle part of the blocking lever (4)
(3), blocking lever (4) right side central is welded with the first interlocking joint (401), and blocking lever (4) left side central portion is welded with
Second interlocking joint (402), the second interlocking joint (402) upper and lower ends, which are embedded in, is provided with connecting hole (4021).
2. the secondary anti-down protective device of interlocking of a kind of coal mining hydraulic point column according to claim 1, which is characterized in that institute
The length for stating blocking lever (4) is 1m or 3m, and blocking lever (4) outer surface is electroplate with zinc-nickel alloy layer.
3. the secondary anti-down protective device of interlocking of a kind of coal mining hydraulic point column according to claim 1, which is characterized in that institute
The length for stating fixed chain (3) is 300mm, and fixed chain (3) other end is welded with hook, and a hydraulic column (2) is only
Connect a fixed chain (3).
4. the secondary anti-down protective device of interlocking of a kind of coal mining hydraulic point column according to claim 1, which is characterized in that institute
It is fluted to state insertion setting at left and right sides of column liquid-filling valve (201) top, and puts column liquid-filling valve (201) and passes through fixed chain
(3) it is fastened with blocking lever (4).
5. a kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column according to claim 1 or described in 3 any one,
It is characterized in that, fixed chain (3) outer surface is electroplate with zinc-nickel alloy layer.
6. the secondary anti-down protective device of interlocking of a kind of coal mining hydraulic point column according to claim 1, which is characterized in that institute
It states foundation (1) bottom end and is threaded with hydraulic cylinder.
7. a kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column according to claim 1 or described in 6 any one,
It is characterized in that, foundation (1) the top middle portion insertion is provided with slideway, and hydraulic column (2) is slided by slideway and foundation (1)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358056.4U CN209129637U (en) | 2018-08-22 | 2018-08-22 | A kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358056.4U CN209129637U (en) | 2018-08-22 | 2018-08-22 | A kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209129637U true CN209129637U (en) | 2019-07-19 |
Family
ID=67229211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821358056.4U Expired - Fee Related CN209129637U (en) | 2018-08-22 | 2018-08-22 | A kind of secondary anti-down protective device of interlocking of coal mining hydraulic point column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209129637U (en) |
-
2018
- 2018-08-22 CN CN201821358056.4U patent/CN209129637U/en not_active Expired - Fee Related
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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: 20190719 |