CN203889556U - Pure mechanical type upper and lower belt full fracture surface broken belt catching device for belt conveyor - Google Patents
Pure mechanical type upper and lower belt full fracture surface broken belt catching device for belt conveyor Download PDFInfo
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- CN203889556U CN203889556U CN201420292480.9U CN201420292480U CN203889556U CN 203889556 U CN203889556 U CN 203889556U CN 201420292480 U CN201420292480 U CN 201420292480U CN 203889556 U CN203889556 U CN 203889556U
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- belt
- clamping
- pivoted arm
- rotating shaft
- crossbeam
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Abstract
The utility model relates to a pure mechanical type upper and lower belt full fracture surface broken belt catching device for a belt conveyor. The pure mechanical type upper and lower belt full fracture surface broken belt catching device comprises a rack. An upper clamping rotation arm, an upper rotation shaft and an upper clamping beam are arranged on the upper portion of the rack. A lower clamping beam, a lower rotation shaft, a pressing belt carrier roller and a lower clamping rotation arm are arranged on the lower portion of the rack. The upper rotation shaft is movably connected with the rack. One end of the upper clamping rotation arm and the upper rotation shaft are fixed, and the other end of the upper clamping rotation arm is free. An upper belt penetrates through the part between the upper clamping rotation arm and the upper clamping beam. The lower rotation shaft is movably connected with the rack. One end of the lower clamping rotation arm and the lower rotation shaft are fixed, and the other end of the lower clamping rotation arm is free and is provided with the pressing belt carrier roller. A lower belt penetrates through the part between the lower clamping rotation arm and the lower clamping beam, and supports the pressing belt carrier roller. The pure mechanical type upper and lower belt full fracture surface broken belt catching device is simple in structure, convenient to use, good in effect, small in number of mechanism parts, low in cost and failure rate and not prone to misoperation.
Description
technical field:
The utility model relates to the band conveyor technical field of the production use such as metallurgy, coal, mine, is specifically related to the upper and lower belt full-section belt of a kind of band conveyor Purely mechanical trap setting.
background technology:
Band conveyor, with the advantage such as large, simple in structure, the continuous conveying of its transport capacity, investment cost be relatively low and easy to maintenance, is widely used in coal production.Due to the long-term running of belt, broken belt accident happens occasionally.In tilting to transport, while there is broken belt, heavy, unloaded belt all can slide downwards.Descending material and belt can bury, damage equipment, block tunnel, even endanger personal security, bring about great losses.For this reason, technical personnel has been researched and developed circuit belt stretching device, and circuit belt stretching device is set, and is exactly in the time that broken belt occurs, and in time belt is caught, and reduces the loss.
At present, the circuit belt stretching device on market mainly comprises following several form:
(1) Purely mechanical block broken belt catcher:
As shown in Figure 1; for a kind of Purely mechanical block broken belt catcher; it be utilize fracture load-transfer device lower slider masterpiece be braking force; load-transfer device is carried out to part clamping; thereby realize broken belt protector function, its seizure be the unloaded limit of load-transfer device both sides, arrest area little; application force is larger, easily causes in actual use the longitudinal tear problem of belt.
(2) Purely mechanical full-section belt catcher
As shown in Figure 2, for solve Purely mechanical block broken belt catcher to arrest area little, the easily problem of longitudinal tear belt, technical personnel is developed Purely mechanical full-section belt catcher, in the time arresting, arrest whole belt transversal surface, arresting area increases, the power of arresting increases, nor there will be belt by longitudinal tear phenomenon, but this kind of block broken belt catcher complex structure, parts are many and whole fault-belt catching device volume is relatively large, take up room larger, be not suitable for using on the less band conveyor in space.
(3) be independent of the catching device of conveyer
Utilize electric-control system to judge detection signal; just send signal enabling belt break protection device once there is broken belt accident; go braking by the powerful friction force between the upper and lower surface of hold-down mechanism, supporting mechanism and adhesive tape; although solved the defect that arrest broken belt part; but signal acquiring system is expensive; easily produce misoperation, unreliable.
(4) in recent years, flexible friction braking has completely been proposed at home, upper belt utilizes the reverse of One-way cradle roll do not rotate and produce force of sliding friction realization braking with belt, lower belt relies on damping panel generation cliding friction and prevents from gliding, and the method is used belt is clamped, and does not keep off coal, do not damage belt yet, but most conveyer carrier roller replacings must be One-way cradle roll and lay damping panel, improvement expenses is high, impracticable.
utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides the upper and lower belt full-section belt of a kind of band conveyor Purely mechanical trap setting, it is that upper and lower two-layer break catching apparatus is set in frame, this break catching apparatus utilizes eccentric wheel and interlock principle, utilize the eccentric and deadweight of pivoted arm, pivoted arm is enclosed to rotate around the axis, in rotation process, pivoted arm contacts with crossbeam, thereby arrest the broken belt between pivoted arm and crossbeam, owing to forming wedge gap between pivoted arm and crossbeam, thereby clamping broken belt, reach the object of arresting broken belt, upper and lower two-layer break catching apparatus moves by linkage simultaneously, reach the object of simultaneously arresting upper and lower belt.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of upper and lower belt full-section belt of Purely mechanical trap setting for band conveyor, wherein: comprise that frame, upper rack are provided with clamping pivoted arm, upper rotating shaft and upper clamping crossbeam, frame lower arranges lower clamping crossbeam, lower rotary shaft, pressure zone carrying roller and lower clamping pivoted arm, described upper rotating shaft is flexibly connected with frame, one end of upper clamping pivoted arm and upper rotating shaft are fixed, freely, upper belt passes the other end between upper clamping pivoted arm and upper clamping crossbeam
Described lower rotary shaft is flexibly connected with frame, and one end and the lower rotary shaft of lower clamping pivoted arm are fixed, and its other end freely, and is provided with pressure zone carrying roller, and lower belt passes between lower clamping pivoted arm and lower clamping crossbeam, and lower belt holds pressure zone carrying roller,
In described upper rotating shaft, be provided with locking pin, one end of steel rope is connected with rim pulley, and the other end of steel rope is walked around breast wheel and is connected with locking pin, and rim pulley is arranged on lower rotary shaft.
Further, described upper clamping crossbeam and lower clamping crossbeam are and connect the channel-section steel of left and right side plate, and Open Side Down and be obliquely installed for channel-section steel.
Further, the distance H of described upper rotating shaft and upper clamping crossbeam vertex is less than the distance S between rotating shaft and upper clamping pivoted arm.
Further, the distance A of described lower rotary shaft and lower clamping crossbeam vertex is less than the distance B between lower rotary shaft and lower clamping pivoted arm.
Further, described frame comprises left side board, right side board and spacer sleeve, and spacer sleeve connects left side board and right side board.
Further, one end of described upper rotating shaft is provided with axle sleeve, is provided with locking pin on axle sleeve, the upper rotating shaft of locking pin locking.
The beneficial effects of the utility model are:
1, the utility model is that upper and lower two-layer break catching apparatus is set in frame, this break catching apparatus utilizes eccentric and interlock principle, utilizes the eccentric and deadweight of pivoted arm, pivoted arm is enclosed and rotate around the axis, in rotation process, pivoted arm contacts with crossbeam, thereby arrests the broken belt between pivoted arm and crossbeam, owing to forming wedge gap between pivoted arm and crossbeam, thereby clamping broken belt, reach the object of arresting broken belt, upper and lower two-layer break catching apparatus moves by linkage simultaneously, reaches the object of simultaneously arresting upper and lower belt.
2, the utility model, without outside power device, utilizes belt friction power and pivoted arm to conduct oneself with dignity as braking and drive force, makes to lock between pivoted arm and crossbeam, realizes and catches belt.
3, the utility model is that the full section of upper belt and the full face clamping of lower belt are arrested, and clamps area large, and the damage that belt is caused is little, there will not be longitudinal tear belt phenomenon, after broken belt is connected, still can continue to use, thereby effectively reduce conveying cost.
4, the utility model is simple in structure, easy to use, effective, mechanism's parts are few, cost is low, and failure rate is low, is difficult for misoperation.
brief description of the drawings:
Fig. 1 is the structural representation of existing Purely mechanical block broken belt catcher;
Fig. 2 is existing Purely mechanical full-section belt trap structure schematic diagram;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is that the A of the utility model Fig. 1 is to structural representation;
Fig. 5 is that the utility model uses view while not catching;
Fig. 6 uses view while being the utility model seizure broken belt.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 3,4,5,6, the upper and lower belt full-section belt of Purely mechanical trap setting for a kind of band conveyor, comprises frame 1, and frame 1 comprises left side board 15, right side board 16 and spacer sleeve 17, and spacer sleeve 17 connects left side board 15 and right side board 16;
Frame 1 top is provided with clamping pivoted arm 2, upper rotating shaft 3 and upper clamping crossbeam 4, and upper clamping crossbeam 4 is for connecting the channel-section steel of left and right side plate 16, and Open Side Down and be obliquely installed for channel-section steel; Frame 1 bottom arranges lower clamping crossbeam 5, lower rotary shaft 6, pressure zone carrying roller 7 and lower clamping pivoted arm 8, and lower clamping crossbeam 5 is for connecting the channel-section steel of left and right side plate 16, and Open Side Down and be obliquely installed for channel-section steel,
Described upper rotating shaft 3 is flexibly connected with frame 1, one end of upper clamping pivoted arm 2 and upper rotating shaft 3 are fixing, the other end freely, upper belt 9 passes between upper clamping pivoted arm 2 and upper clamping crossbeam 4, and the distance H of upper rotating shaft 3 and upper clamping crossbeam 4 vertexs is less than the distance S between rotating shaft 3 and upper clamping pivoted arm 2;
Described lower rotary shaft 6 is flexibly connected with frame 1, one end of lower clamping pivoted arm 8 and lower rotary shaft 6 are fixing, its other end freely, and be provided with pressure zone carrying roller 7, lower belt 10 passes between lower clamping pivoted arm 8 and lower clamping crossbeam 5, and lower belt 10 is held pressure zone carrying roller 7, the distance A of lower rotary shaft 6 and lower clamping crossbeam 5 vertexs is less than the distance B between lower rotary shaft 6 and lower clamping pivoted arm 8;
In described upper rotating shaft 3, be provided with locking pin 11, one end of steel rope 12 is connected with rim pulley 13, and the other end of steel rope 12 is walked around breast wheel 14 and is connected with locking pin 11, and rim pulley 13 is arranged on lower rotary shaft 6.One end of upper rotating shaft 3 is provided with axle sleeve 18, is provided with locking pin 11 on axle sleeve 18, the upper rotating shaft 3 of locking pin 11 locking.
When use, as shown in Figure 5, be band conveyor normal working, upper belt 9 upper clamping pivoted arm 2 and on clamp between crossbeam 4 normally operation, lower belt 10 is normally operation between lower clamping pivoted arm 8 and lower clamping crossbeam 5, and lower belt 10 is held lower clamping pivoted arm 8 by belt roller 7.
In the time of band conveyor generation broken belt, as shown in Figure 6, lower belt 10 loses tensile force, and lower clamping pivoted arm 8 loses support, clockwise rotates, and be rotated further under the effect of belt friction power under the effect of deadweight.Due to the wedge gap forming between lower clamping pivoted arm 8 ends and lower clamping crossbeam 5, thereby clamp locked lower belt 10, reach the object that lower belt 10 is caught.
Lower rotary shaft 6 rotates, by rim pulley 13 and steel rope 12, locking pin 11 is extracted in upper rotating shaft 3 and axle sleeve 18, make rotating shaft 3 in free movement state, upper clamping pivoted arm 2 rotates under Gravitative Loads, upper clamping pivoted arm 2 cooperatively interacts with upper clamping crossbeam 4, belt 9 in clamping, upper belt 9, lower belt 10 are distinguished clamped, thereby reach the object of broken belt being carried out to full section seizure.
Be noted that, the above embodiment is explanation to technical solutions of the utility model and unrestricted, other amendment that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solutions of the utility model, within all should being included in the desired interest field of the utility model.
Claims (6)
1. the upper and lower belt full-section belt of a Purely mechanical trap setting for band conveyor, it is characterized in that: comprise frame (1), frame (1) top is provided with clamping pivoted arm (2), upper rotating shaft (3) and upper clamping crossbeam (4), frame (1) bottom arranges lower clamping crossbeam (5), lower rotary shaft (6), pressure zone carrying roller (7) and lower clamping pivoted arm (8), described upper rotating shaft (3) is flexibly connected with frame (1), one end of upper clamping pivoted arm (2) and upper rotating shaft (3) are fixing, the other end freely, upper belt (9) passes between upper clamping pivoted arm (2) and upper clamping crossbeam (4),
Described lower rotary shaft (6) is flexibly connected with frame (1), one end of lower clamping pivoted arm (8) and lower rotary shaft (6) are fixing, its other end freely, and be provided with pressure zone carrying roller (7), lower belt (10) passes between lower clamping pivoted arm (8) and lower clamping crossbeam (5), and lower belt (10) is held pressure zone carrying roller (7)
In described upper rotating shaft (3), be provided with locking pin (11), one end of steel rope (12) is connected with rim pulley (13), the other end of steel rope (12) is walked around breast wheel (14) and is connected with locking pin (11), and rim pulley (13) is arranged on lower rotary shaft (6).
2. the upper and lower belt full-section belt of Purely mechanical trap setting for band conveyor according to claim 1, it is characterized in that: described frame (1) comprises left side board (15), right side board (16) and spacer sleeve (17), spacer sleeve (17) connects left side board (15) and right side board (16).
3. the upper and lower belt full-section belt of Purely mechanical trap setting for band conveyor according to claim 2, it is characterized in that: described upper clamping crossbeam (4) and lower clamping crossbeam (5) are the channel-section steel that connects left side board (15), right side board (16), Open Side Down and be obliquely installed for channel-section steel.
4. the upper and lower belt full-section belt of Purely mechanical trap setting for band conveyor according to claim 1, is characterized in that: the distance H of described upper rotating shaft (3) and upper clamping crossbeam (4) vertex is less than the distance S between rotating shaft (3) and upper clamping pivoted arm (2).
5. according to the upper and lower belt full-section belt of Purely mechanical trap setting for the band conveyor described in claim 1, it is characterized in that: the distance A of described lower rotary shaft (6) and lower clamping crossbeam (5) vertex is less than the distance B between lower rotary shaft (6) and lower clamping pivoted arm (8).
6. the upper and lower belt full-section belt of Purely mechanical trap setting for band conveyor according to claim 1, it is characterized in that: one end of described upper rotating shaft (3) is provided with axle sleeve (18), on axle sleeve (18), be provided with locking pin (11), rotating shaft (3) in locking pin (11) locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292480.9U CN203889556U (en) | 2014-06-04 | 2014-06-04 | Pure mechanical type upper and lower belt full fracture surface broken belt catching device for belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292480.9U CN203889556U (en) | 2014-06-04 | 2014-06-04 | Pure mechanical type upper and lower belt full fracture surface broken belt catching device for belt conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203889556U true CN203889556U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420292480.9U Expired - Fee Related CN203889556U (en) | 2014-06-04 | 2014-06-04 | Pure mechanical type upper and lower belt full fracture surface broken belt catching device for belt conveyor |
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| Country | Link |
|---|---|
| CN (1) | CN203889556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058232A (en) * | 2014-06-04 | 2014-09-24 | 张纬 | Pure mechanical upper and lower belt entire fracture surface catching device for belt conveyor |
-
2014
- 2014-06-04 CN CN201420292480.9U patent/CN203889556U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058232A (en) * | 2014-06-04 | 2014-09-24 | 张纬 | Pure mechanical upper and lower belt entire fracture surface catching device for belt conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141022 Termination date: 20200604 |