CN203173397U - Belt-broken protective device of belt conveyer - Google Patents
Belt-broken protective device of belt conveyer Download PDFInfo
- Publication number
- CN203173397U CN203173397U CN 201320089729 CN201320089729U CN203173397U CN 203173397 U CN203173397 U CN 203173397U CN 201320089729 CN201320089729 CN 201320089729 CN 201320089729 U CN201320089729 U CN 201320089729U CN 203173397 U CN203173397 U CN 203173397U
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- belt
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- protective device
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Abstract
The utility model belongs to the technical field of belt conveyers for coal mines, and particularly relates to a belt-broken protective device of a belt conveyer. The belt-broken protective device of the belt conveyer mainly solves the problems that coal mining accidents occur due to the fact that a motor of an existing belt-broken protective device is started frequently and is burnt out easily. According to the technical scheme, the belt-broken protective device of the belt conveyer comprises a capture device and a pump station hydraulic system, wherein a bidirectional hydraulic lock is arranged between the capture device and the pump station hydraulic system. The capture device is composed of a stand column, an upper connecting carling, an upper drive oil cylinder and the like, wherein the stand column is movably connected with a belt, the upper connecting carling and a lower connecting carling are both mounted on the stand column, the upper drive oil cylinder is mounted on the upper connecting carling, the output end of the upper oil cylinder is connected with an upper rotary girder, the upper rotary girder is connected with an upper clamping grabber, and the pump station hydraulic system is connected with the upper drive oil cylinder and a lower drive oil cylinder respectively through the bidirectional hydraulic lock. The belt-broken protective device of the belt conveyer has the advantages of being safe and convenient to use.
Description
Technical field
The utility model belongs to the coal mine belt conveyor technical field, is specifically related to a kind of belt conveyer belt break protection device.
Background technology
Because the belt conveyer transport capacity is strong, haul distance is long, power consumption is few, now become the main transportation device in down-hole, along with consumption increases, the bigger belt conveyer broken belt accident in inclination angle is more and more outstanding to the influence of mine production safety, in a single day broken belt takes place in conveyer, and the economic loss that causes and social influence are very huge.Broken belt rear carrier and material, under the effect of gravity, accelerate to glide, to break cable and electric equipment in carrying roller, frame and the tunnel on the way, load-transfer device and material bulk deposition also stagnate in centre or the bottom of belt heading, to drop into great amount of manpower and material resources during repairing, cause mine to stop production at least several days.Stipulate in " safe coal rules " and " safety of coal mines quality standardization standard and ranking method " mechanical and electrical safety: the Steel cord belt conveyer should arrange belt break protection device.
Present belt break protection device stop mechanism need be kept the energy storage operation pressure oil of hydraulic efficiency pressure system all the time in normal range, and when oil pressure was lower than 13Mpa, Oil pump electrical machinery can start automatically, and oil pump quits work when system pressure reaches 20MPa.But after having a power failure, Oil pump electrical machinery can't start, and oil pump can't be the energy storage ftercompction, and oil pressure will continue to reduce until being zero.When oil pressure is lower than 3Mpa, oil cylinder working-pressure can't be kept the upper clipping claw state of kicking up, and upper clipping claw will descend under the gravity effect automatically, if conveyer was in running state and will causes belt tearing probably this moment.Oil is let out in the valve group, and system pressure descends very fast.Cause consequence: 1, motor frequent starting burns out easily to motor; If 2 motors burn out or when having a power failure, can not in time give system's supplementary pressure, claw causes the accident possibly from falling.
Summary of the invention
The utility model is primarily aimed at existing belt break protection device and exists electric motor starting to burn out the problem that motor causes coal mining accident frequently, easily; provide a kind of and guarantee that the pressure oil in the oil cylinder does not leak, remain the belt conveyer belt break protection device of oil pressure in the hydraulic actuating cylinder.
The technical scheme that the utility model is taked for achieving the above object is:
A kind of belt conveyer belt break protection device comprises and arrests device, pumping plant hydraulic efficiency pressure system, wherein: be provided with a bidirectional hydraulic lock between device and the pumping plant hydraulic efficiency pressure system arresting; The described device of arresting is by column, last connection longeron, last driving oil cylinder, last rotating beam, last catching, following catching, following rotating beam, under drive oil cylinder, belt, coder with under be connected longeron and form, column and belt flexibly connect, last connection longeron with under be connected longeron and all be installed on the column, last driving oil cylinder is installed in and connects on the longeron, the mouth of last driving oil cylinder is connected with last rotating beam, last rotating beam is connected with last catching, under drive oil cylinder and be installed in down and connect on the longeron, the mouth that drives oil cylinder down is connected with following rotating beam, following rotating beam is connected with following catching, and coder is installed in the below of belt; Described pumping plant hydraulic efficiency pressure system is connected with the following oil cylinder that drives with last driving oil cylinder respectively by bidirectional hydraulic lock.
Described pumping plant hydraulic efficiency pressure system is made up of electric-motor pump group, check valve, by pass valve, oil suction oil filter, explosion-proof pressure transmitter, last shutoff valve, following shutoff valve, energy storage, anti-explosion is electromagnetic change-over valve, explosion-proof electro-hydraulic reversing valve, oil return oil filter, pumping plant valve group, and respective aperture is connected to electric-motor pump group, check valve, by pass valve, explosion-proof pressure transmitter, anti-explosion is electromagnetic change-over valve, explosion-proof electro-hydraulic reversing valve and energy storage on the pumping plant valve group; Pumping plant valve group is connected with oil pipe with last driving oil cylinder and following the driving between the oil cylinder; Anti-explosion is electromagnetic change-over valve and explosion-proof electro-hydraulic reversing valve are communicated with bidirectional hydraulic lock, energy storage and explosion-proof pressure transmitter; Last shutoff valve is for often opening, and following shutoff valve is normally closed.
The utility model adopts technique scheme; be provided with a bidirectional hydraulic lock between device and the pumping plant hydraulic efficiency pressure system arresting; for make belt break protection device under off-position in the oil cylinder oil pressure do not descend; assurance catching device upper clipping claw is kept original position; one cover bidirectional hydraulic lock is installed between pumping plant hydraulic efficiency pressure system and oil cylinder, and after oil pressure reached specialized range, system quit work; the pressure oil that bidirectional hydraulic lock pins in the oil cylinder does not leak, and remains oil pressure in the hydraulic actuating cylinder.
Description of drawings
Fig. 1 is the apparatus structure scheme drawing of arresting of the present utility model;
Fig. 2 is pumping plant hydraulic scheme of the present utility model.
The specific embodiment
Embodiment 1
As Fig. 1, shown in Figure 2, a kind of belt conveyer belt break protection device comprises and arrests device, pumping plant hydraulic efficiency pressure system, wherein: be provided with a bidirectional hydraulic lock 12 between device and the pumping plant hydraulic efficiency pressure system arresting; The described device of arresting is by column 1, last connection longeron 2, last driving oil cylinder 3, last rotating beam 4, last catching 5, following catching 6, following rotating beam 7, under drive oil cylinder 8, belt 9, coder 10 with under be connected longeron 11 and form, column 1 flexibly connects with belt 9, last connection longeron 2 with under be connected longeron 11 and all be installed on the column 1, last driving oil cylinder 3 is installed in and connects on the longeron 2, the mouth of last driving oil cylinder 3 is connected with last rotating beam 4, last rotating beam 4 is connected with last catching 5, under drive oil cylinder 8 and be installed in down and connect on the longeron 11, the mouth that drives oil cylinder 8 down is connected with following rotating beam 7, following rotating beam 7 is connected with following catching 6, and coder 10 is installed in the below of belt 9; Described pumping plant hydraulic efficiency pressure system is connected with the following oil cylinder 8 that drives with last driving oil cylinder 3 respectively by bidirectional hydraulic lock 12;
Described pumping plant hydraulic efficiency pressure system is made up of electric-motor pump group 13, check valve 14, by pass valve 15, oil suction oil filter 16, explosion-proof pressure transmitter 17, last shutoff valve 18, following shutoff valve 19, energy storage 20, anti-explosion is electromagnetic change-over valve 21, explosion-proof electro-hydraulic reversing valve 22, oil return oil filter 23, pumping plant valve group 24, and respective aperture is connected to electric-motor pump group 13, check valve 14, by pass valve 15, explosion-proof pressure transmitter 17, anti-explosion is electromagnetic change-over valve 21, explosion-proof electro-hydraulic reversing valve 22 and energy storage 20 on the pumping plant valve group 24; Pumping plant valve group 24 is connected with oil pipe with last driving oil cylinder 3 and following the driving between the oil cylinder 8; Anti-explosion is electromagnetic change-over valve 21 and explosion-proof electro-hydraulic reversing valve 22 are communicated with bidirectional hydraulic lock 12, energy storage 20 and explosion-proof pressure transmitter 17; Last shutoff valve 18 is for often opening, and following shutoff valve 19 is normally closed.
Specific implementation process is:
1, when anti-explosion is electromagnetic change-over valve 21 and explosion-proof electro-hydraulic reversing valve 22 are operated in midway location, anti-explosion is electromagnetic change-over valve 21 and the 22 not conductings of explosion-proof electro-hydraulic reversing valve, hydraulic efficiency pressure system is packing state;
2, when anti-explosion is electromagnetic change-over valve 21, explosion-proof electro-hydraulic reversing valve 22 are controlled when transforming to location right, energy storage 20 is communicated with last driving oil cylinder 3 and the following oil cylinder 8 left chambeies that drive by bidirectional hydraulic lock 12, the pressure oil that energy storage is 20 li flows to go up and drives oil cylinder 3 and drive oil cylinder 8 left chambeies down, under pressure, drive oil cylinder 3 on and drive oil cylinder 8 down and regain;
3, when anti-explosion is electromagnetic change-over valve 21 and explosion-proof electro-hydraulic reversing valve 22 are controlled when transforming to left position, energy storage 20 is communicated with last driving oil cylinder 3 and the following oil cylinder 8 right chambeies that drive, the pressure oil that energy storage is 20 li flows to the right chamber of hydraulic actuating cylinder, under pressure, drive oil cylinder 3 on and drive oil cylinder 8 down and stretch out.
When 4, the pressure that detects when explosion-proof pressure transmitter 17 was less than 13MPa, electric motor starting carried out pressurising, make pressure oil through check valve 14, go up shutoff valve 18 and enter energy storage 20.When pressure reached 20MPa, motor was shut down, and the pressure oil in the energy storage 20 can be from the check valve oil sump tank that flows backwards, can be from shutoff valve 19 refluence oil sump tanks down yet, and system is packing state.
Claims (1)
1. a belt conveyer belt break protection device comprises and arrests device, pumping plant hydraulic efficiency pressure system, it is characterized in that being provided with a bidirectional hydraulic lock (12) between device and the pumping plant hydraulic efficiency pressure system arresting; The described device of arresting is by column (1), last connection longeron (2), last driving oil cylinder (3), last rotating beam (4), last catching (5), following catching (6), following rotating beam (7), under drive oil cylinder (8), belt (9), coder (10) with under be connected longeron (11) and form, column (1) flexibly connects with belt (9), last connection longeron (2) with under be connected longeron (11) and all be installed on the column (1), last driving oil cylinder (3) is installed in and connects on the longeron (2), the mouth of last driving oil cylinder (3) is connected with last rotating beam (4), last rotating beam (4) is connected with last catching (5), under drive oil cylinder (8) and be installed in down and connect on the longeron (11), the mouth that drives oil cylinder (8) down is connected with following rotating beam (7), following rotating beam (7) is connected with following catching (6), and coder (10) is installed in the below of belt (9); Described pumping plant hydraulic efficiency pressure system is connected with the following oil cylinder (8) that drives with last driving oil cylinder (3) respectively by bidirectional hydraulic lock (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089729 CN203173397U (en) | 2013-02-27 | 2013-02-27 | Belt-broken protective device of belt conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089729 CN203173397U (en) | 2013-02-27 | 2013-02-27 | Belt-broken protective device of belt conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203173397U true CN203173397U (en) | 2013-09-04 |
Family
ID=49070134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320089729 Expired - Lifetime CN203173397U (en) | 2013-02-27 | 2013-02-27 | Belt-broken protective device of belt conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203173397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185243A (en) * | 2015-06-23 | 2016-12-07 | 江苏师范大学 | A kind of Coal Transportation band protection device and method of work thereof |
| CN109502277A (en) * | 2018-11-19 | 2019-03-22 | 中国矿业大学 | A kind of double four link type belt conveyer broken belt protective devices |
-
2013
- 2013-02-27 CN CN 201320089729 patent/CN203173397U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185243A (en) * | 2015-06-23 | 2016-12-07 | 江苏师范大学 | A kind of Coal Transportation band protection device and method of work thereof |
| CN109502277A (en) * | 2018-11-19 | 2019-03-22 | 中国矿业大学 | A kind of double four link type belt conveyer broken belt protective devices |
| CN109502277B (en) * | 2018-11-19 | 2020-06-02 | 中国矿业大学 | Belt breakage protection device of double-four-connecting-rod type belt conveyor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |