CN205257348U - Electromagnetism synchronized model is taken absolutely and is arrested ware - Google Patents

Electromagnetism synchronized model is taken absolutely and is arrested ware Download PDF

Info

Publication number
CN205257348U
CN205257348U CN201521070069.8U CN201521070069U CN205257348U CN 205257348 U CN205257348 U CN 205257348U CN 201521070069 U CN201521070069 U CN 201521070069U CN 205257348 U CN205257348 U CN 205257348U
Authority
CN
China
Prior art keywords
flashboard
pin
electromagnetism
belt
bearing roller
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
Application number
CN201521070069.8U
Other languages
Chinese (zh)
Inventor
张旭辉
毛清华
马宏伟
王鹏
陈标
邢望
罗伟光
程瑞鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian University of Science and Technology
Original Assignee
Xian University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian University of Science and Technology filed Critical Xian University of Science and Technology
Priority to CN201521070069.8U priority Critical patent/CN205257348U/en
Application granted granted Critical
Publication of CN205257348U publication Critical patent/CN205257348U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Conveyors (AREA)

Abstract

The utility model discloses an electromagnetism synchronized model is taken absolutely and is arrested ware, including the bearing roller frame, the bearing roller shelf location has left bearing roller, well bearing roller, right side bearing roller and lower flashboard, left side bearing roller, well bearing roller, right side bearing roller all is located below belt conveyor's the conveyer belt with lower flashboard, the top of conveyer belt is provided with the flashboard subassembly, it includes flashboard rotation axis and last flashboard to go up the flashboard subassembly, upward the flashboard is installed and is cooperated in order to press from both sides tight conveyer belt on the flashboard rotation axis and with lower flashboard, the rotation axis both ends respectively with fix the last flashboard rotate bracket connection in bearing roller frame both sides, the rotation axis both ends are all overlapped and are equipped with first torsional spring, the one end of first torsional spring is passed through the torsional spring fixed pin and is fixed on the rotation axis, the other end of first torsional spring is fixed on the last flashboard support that corresponds, the bearing roller shelf location have be used for supporting with the electro -magnet of throwing off the flashboard subassembly of pulling pin. The utility model discloses it is rapidly accurate to arrest, and sensitivity is high, and the reliability is high, can realize a plurality of wares of arresting and arrest simultaneously to it effectively moves to ensure conveyer belt safety.

Description

A kind of electromagnetism synchronized model fault-belt catching device
Technical field
The utility model belongs to Coal Transportation technical field, specifically relates to a kind of electromagnetism synchronized model broken beltCatching device.
Background technology
In coal production, ribbon conveyer is important transporting equipment. Defeated due to ribbon conveyerSend that band is long-term, high loaded process and some unexpected factors, as spoil is directly pounded conveyer belt or metal object cardResistance conveyer belt, can cause the unexpected fracture of conveyer belt. For Steel cord strong conveyer band, due to steelCorrosion, fracture or the twitch because of conveyer belt vulcanized joint Steel cord of silk wire rope core, cause horizontal broken beltAccident, and broken belt mostly occurs near head roll and have on the carrying belt at larger change slope place. Inclination angleGreatly, distance, upper conveying belt type conveyer that load is large, once occur that broken belt glides or lose because of holdbackThe reverse accident that effect causes, will destroy conveyer frame, damage equipment, obstruction haulage drift, makesBecome and stop production for a long time and heavy economic losses, even casualties, consequence is extremely serious.
In colliery, after conveyor belt breakage, fault-belt catching device carries out broken-belt catching action, prevent conveyer belt andCoal glides, and prevents conveyer belt and coal accumulation, the devices such as protection conveyer belt frame, carrying roller, Bian GuanBe not damaged, prevent the bulk deposition of conveyer belt and coal and stop production, bring convenience to repairing work;Ensure the safety of coal miner simultaneously, ensure that the safety and efficiently in colliery is produced. Ribbon conveyer not onlyApply in colliery, be also widely used in mine, harbour, harbour, metallurgy, steam power plant, chemical plantIn material transportation process, ensure that conveyer belt is occurring, after broken belt, major accident does not occur. Domestic normalWith several modes as mechanical self-latching type fault-belt catching device, automatically controlled self-locking fault-belt catching device and monoblock typeHydraulic pressure belt break protection device, all there is certain drawback in these. For example: mechanical self-latching type broken-belt catchingDevice exists action asynchronous, and brake force is inhomogeneous, and maintenance is inconvenient, is difficult to automatically recover misoperationThe shortcomings such as many; Automatically controlled self-locking fault-belt catching device has reduced the probability of misoperation, and also has machinery certainlyThe shortcoming that locking-type fault-belt catching device has; Integral hydraulic belt break protection device exists volume large, installsEngineering is large, and cost is high, easily damages adhesive tape when test. Therefore, research and development one is not only safe but also reliableUpper fault-belt catching device tool is of great significance.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of electromagnetism sameStep type fault-belt catching device, it is simple in structure, reasonable in design and easy to operate, arrests accurately rapidly spiritSensitivity is high, and reliability is high, can not occur to arrest by mistake, can realize conveyer belt and carry out safely and effectively defeatedSend.
For achieving the above object, the technical solution adopted in the utility model is: a kind of electromagnetism synchronized model is disconnectedBand catching device, is characterized in that: comprise carrier roller frame, left carrying roller, middle holder are installed on described carrier roller frameRoller, right carrying roller and lower flashboard, described left carrying roller, middle idler roller, right carrying roller and lower flashboard are all positioned at beltThe conveyer belt below of conveyer, the top of described conveyer belt is provided with upper flashboard assembly, described upper flashboardAssembly comprises flashboard rotating shaft and upper flashboard, described upper flashboard be arranged on flashboard rotating shaft and with lower lockPlate coordinates with clamping conveying belt, the two ends of described rotating shaft respectively with the brake application that is fixed on carrier roller frame both sidesBoard mount is rotationally connected, and the two ends of described rotating shaft are all arranged with the first torsion spring, described the first torsion springOne end is fixed on rotating shaft by torsion spring steady pin, and the other end of described the first torsion spring is fixed on correspondenceUpper flashboard support on, on described carrier roller frame, be provided with for the electromagnet supporting and throw off upper flashboard and pull outPin assemblies.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: the described electromagnet group of pulling pinPart comprises pull pin cylinder, electromagnet and pulling pin, and described electromagnet is fixed on the outer wall of the cylinder of pulling pin, described inPull pin and comprise vertical axes and the pin vertical with vertical axes, one end of described pin and vertical axes are fixing to be connectedConnect, described vertical axes is arranged on vertically pulls pin in cylinder, and the other end of described pin passes to be arranged on and pulls outSell the pendulum groove on cylinder and can on pendulum groove, swing, the upper end of described vertical axes is provided with its rotation and connectsThe nylon jacket of pulling pin on connecing, the lower end of described vertical axes be provided be rotationally connected with it under the nylon of pulling pinCover, the nylon jacket of pulling pin on described and under pull pin that to be all fixed on the cylinder of pulling pin upper for nylon jacket, pass described pendulum grooveThe end of pin be positioned at the below of upper flashboard and support upper flashboard, the top of described vertical axes is arranged withThe second torsion spring, it is upper that one end of described the second torsion spring is fixed on the cylinder of pulling pin, the other end of described the second torsion springBe fixed on pin, the bottom of described vertical axes is provided with pull pin boss and the boss of pulling pin and passes through electromagnetArmature block.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: close described left carrying rollerHoldback is installed and for making the travel switch of magnet switching electricity, described check on upper flashboard supportOn device, be provided with the holdback rotating shaft that one end is rotationally connected with it, another of described holdback rotating shaftEnd be fixedly connected with left carrying roller, on described holdback rotating shaft, fork is installed, described travel switch withFork is oppositely arranged.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: the lower end of described upper flashboardThe upper surface of face and lower flashboard is provided with rubber blanket.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: described upper flashboard and Xia ZhaThe quantity of plate is two, and two described upper flashboards are symmetrical set, two described lower flashboard left and rightBe symmetrical arranged.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: described left carrying roller, middle holderRoller and right carrying roller are all arranged on carrier roller frame by carrying roller supporting seat.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: described carrier roller frame bottom twoSide is provided with the U-bolt on the U-steel frame for being fixed in ribbon conveyer.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: described upper flashboard support is logicalCrossing fastening bolt is fixed on carrier roller frame.
Above-mentioned a kind of electromagnetism synchronized model fault-belt catching device, is characterized in that: described electromagnet is flame proofElectromagnet.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design and easy to operate.
2, the utility model can overcome many defects that existing fault-belt catching device conveyer belt exists, and grabsCatch accurately rapidly, can not occur to arrest by mistake, greatly improved the reliability of broken-belt catching, guarantee to carryBand is carried safely and effectively, highly sensitive, uses safety.
3, the utility model low price, easy-to-connect, safeguards simply, can realize fast braking,Can effectively be applicable in large-scale mechanical electronic hydraulic equipment.
Below by drawings and Examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the pull pin structural representation of assembly of the utility model electromagnet.
Fig. 4 is the left view of Fig. 3.
Description of reference numerals:
1-carrier roller frame; 2-lower flashboard; 3-electromagnet assembly of pulling pin;
3-1-the cylinder of pulling pin; 3-2-the nylon jacket of above pulling pin; 3-3-under the nylon jacket of pulling pin;
3-4-electromagnet; 3-5-vertical axes; 3-6-pin;
3-7-the second torsion spring; 3-8-the boss of pulling pin; 3-9-pendulum groove;
4-upper flashboard support; 5-torsion spring steady pin; The 6-the first torsion spring;
7-1-flashboard rotating shaft; 7-2-upper flashboard; 8-middle idler roller;
9-1-left carrying roller; 9-2-right carrying roller; 10-carrying roller supporting seat;
11-travel switch; 12-rubber blanket; 13-U-bolt;
14-U-steel frame; 15-fastening bolt; 16-holdback;
16-1-holdback rotating shaft; 16-2-fork; 17-conveyer belt.
Detailed description of the invention
As depicted in figs. 1 and 2, the utility model comprises carrier roller frame 1, on described carrier roller frame 1, installsThere are left carrying roller 9-1, middle idler roller 8, right carrying roller 9-2 and lower flashboard 2, described left carrying roller 9-1, middle holderRoller 8, right carrying roller 9-2 and lower flashboard 2 are all positioned at conveyer belt 17 belows of ribbon conveyer, described defeatedSend with 17 top and be provided with upper flashboard assembly, described upper flashboard assembly comprises flashboard rotating shaft 7-1With upper flashboard 7-2, described upper flashboard 7-2 is arranged on flashboard rotating shaft 7-1 above and coordinates with lower flashboard 2With clamping conveying belt 17, the two ends of described rotating shaft 7-1 respectively be fixed on the upper of carrier roller frame 1 both sidesFlashboard support 4 is rotationally connected, and the two ends of described rotating shaft 7-1 are all arranged with the first torsion spring 6, described inIt is upper that one end of the first torsion spring 6 is fixed on rotating shaft 7-1 by torsion spring steady pin 5, described the first torsion spring6 the other end is fixed on corresponding upper flashboard support 4, is provided with for propping up on described carrier roller frame 1Support and the electromagnet of the throwing off upper flashboard 7-2 assembly 3 of pulling pin.
As shown in Figure 3 and Figure 4, the described electromagnet assembly 3 of pulling pin comprises pull pin a 3-1, electromagnet3-4 and pulling pin, described electromagnet 3-4 is fixed on the outer wall of a 3-1 that pulls pin, described in pull pin comprise perpendicularD-axis 3-5 and the pin 3-6 vertical with vertical axes 3-5, one end of described pin 3-6 and vertical axes3-5 is fixedly connected with, and described vertical axes 3-5 is arranged on vertically and pulls pin in a 3-1, described pin 3-6The other end pass and be arranged on the pendulum groove 3-9 that pulls pin on a 3-1 and can on pendulum groove 3-9, swing,The upper end of described vertical axes 3-5 be provided be rotationally connected with it on the nylon jacket 3-2 that pulls pin, described perpendicularThe lower end of d-axis 3-5 be provided be rotationally connected with it under the nylon jacket 3-3 that pulls pin, Buddhist nun pulls pin on describedActor playing a supporting role 3-2 and under pull pin that to be all fixed on a 3-1 that pulls pin upper for nylon jacket 3-3, pass described pendulum groove 3-9The end of pin 3-6 be positioned at the below of upper flashboard 7-2 and support upper flashboard 7-2, described vertical axesThe top of 3-5 is arranged with the second torsion spring 3-7, and one end of described the second torsion spring 3-7 is fixed on a 3-1 that pulls pinUpper, it is upper that the other end of described the second torsion spring 3-7 is fixed on pin 3-6, under described vertical axes 3-5Portion is provided with pull pin boss 3-8 and the boss 3-8 that pulls pin and blocks by the armature of electromagnet 3-4.
As depicted in figs. 1 and 2, near on the upper flashboard support of described left carrying roller 9-1, check is installedDevice 16 and for making the travel switch 11 of electromagnet 3-4 power on/off, is provided with on described holdback 16The holdback rotating shaft 16-1 that one end is rotationally connected with it, another of described holdback rotating shaft 16-1End is fixedly connected with left carrying roller 9-1, on described holdback rotating shaft 16-1, fork 16-2 is installed, instituteState travel switch 11 and fork 16-2 is oppositely arranged.
As depicted in figs. 1 and 2, the upper surface of the lower surface of described upper flashboard 7-2 and lower flashboard 2 is equalBe provided with rubber blanket 12, increase the frictional force of upper flashboard 7-2 and lower flashboard 2, better realize defeatedSend the clamping braking with 17.
As shown in Figure 1, the quantity of described upper flashboard 7-2 and lower flashboard 2 is two, described in twoUpper flashboard 7-2 is symmetrical set, and two described lower flashboards 2 are symmetrical set.
As shown in Figure 1, described left carrying roller 9-1, middle idler roller 8 and right carrying roller 9-2 all prop up by carrying rollerSupport seat 10 is arranged on carrier roller frame 1.
As depicted in figs. 1 and 2, described carrier roller frame 1 two bottom sides is provided with for being fixed inU-bolt 13 on the U-steel frame 14 of ribbon conveyer.
As depicted in figs. 1 and 2, described upper flashboard support 4 is fixed on carrying roller by fastening bolt 15On frame 1.
In the present embodiment, described electromagnet 3-4 is flame proof electromagnet.
Operation principle of the present utility model is: in the time that ribbon conveyer is normally worked, upper flashboard 7-2 is logicalCross the pull pin pin 3-6 of assembly 3 of electromagnet and fix (not affecting the height of coalingging). In the time of broken belt,Conveyer belt 17 is slippage downwards under the active forces such as gravity, drives left carrying roller 9-1 reversion, left carrying roller 9-1Drive holdback rotating shaft 16-1 reversion, holdback rotating shaft 16-1 drives fork 16-2 to reverse,Fork 16-2 touches travel switch 11. After travel switch 11 closures, electromagnet 3-4 energising, electromagnetismThe armature of iron 3-4 no longer blocks the boss 3-8 that pulls pin, and the electromagnet assembly 3 of pulling pin is worked, i.e. pin3-6 swings, the supporting role that makes upper flashboard 7-2 depart from pin 3-6, and upper flashboard 7-2 throws off, and revolvesRotating shaft 7-1 rotation, upper flashboard 7-2 does at the spring force of the first torsion spring 6 and the gravity of upper flashboard 7-2, apply pressure on lower flashboard 2 to lower swing with lower, because upper flashboard 7-2 is inclined-plane, form wedge shape knotStructure, conveyer belt 17 draws tighter and tighter, realizes conveyer belt 17 to grab band object.
The above, be only preferred embodiment of the present utility model, not the utility model done anyRestriction, every any simple modification of above embodiment being done according to the utility model technical spirit,Change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.

Claims (9)

1. an electromagnetism synchronized model fault-belt catching device, is characterized in that: comprise carrier roller frame (1), instituteState on carrier roller frame (1), be provided with left carrying roller (9-1), middle idler roller (8), right carrying roller (9-2) andLower flashboard (2), described left carrying roller (9-1), middle idler roller (8), right carrying roller (9-2) He XiazhaPlate (2) is all positioned at conveyer belt (17) below of ribbon conveyer, described conveyer belt (17) upperSide is provided with upper flashboard assembly, and described upper flashboard assembly comprises flashboard rotating shaft (7-1) and upper flashboard(7-2), described upper flashboard (7-2) be arranged on flashboard rotating shaft (7-1) upper and with lower flashboard (2)Coordinate with clamping conveying belt (17), the two ends of described rotating shaft (7-1) respectively be fixed on carrier roller frame(1) the upper flashboard support (4) of both sides is rotationally connected, and the two ends of described rotating shaft (7-1) are all sheathedHave the first torsion spring (6), one end of described the first torsion spring (6) is fixing by torsion spring steady pin (5)Upper at rotating shaft (7-1), the other end of described the first torsion spring (6) is fixed on corresponding upper flashboard and props upFrame (4) is upper, and the electricity for supporting and throw off upper flashboard (7-2) is installed on described carrier roller frame (1)The magnet assembly (3) of pulling pin.
2. according to a kind of electromagnetism synchronized model fault-belt catching device claimed in claim 1, it is characterized in that:The described electromagnet assembly (3) of pulling pin comprises cylinder (3-1), the electromagnet (3-4) and pulling pin of pulling pin, instituteState on the outer wall that electromagnet (3-4) is fixed on the cylinder (3-1) of pulling pin, described in pull pin and comprise vertical axes (3-5)With the pin (3-6) vertical with vertical axes (3-5), one end and the vertical axes of described pin (3-6)(3-5) be fixedly connected with, described vertical axes (3-5) is arranged on vertically pulls pin in cylinder (3-1), instituteThe other end of stating pin (3-6) passes and is arranged on the pendulum groove (3-9) of cylinder on (3-1) and can of pulling pinSwing pendulum groove (3-9) is upper, the upper end of described vertical axes (3-5) is provided with and is rotationally connected with itOn the nylon jacket (3-2) of pulling pin, the lower end of described vertical axes (3-5) is provided with and is rotationally connected with itUnder the nylon jacket (3-3) of pulling pin, the nylon jacket (3-2) of pulling pin on described and under the nylon jacket (3-3) of pulling pinAll be fixed on the cylinder (3-1) of pulling pin upper, pass the position, end of the pin (3-6) of described pendulum groove (3-9)In below and the support upper flashboard (7-2) of upper flashboard (7-2), the top of described vertical axes (3-5)Be arranged with the second torsion spring (3-7), one end of described the second torsion spring (3-7) is fixed on the cylinder (3-1) of pulling pinUpper, it is upper that the other end of described the second torsion spring (3-7) is fixed on pin (3-6), described vertical axes (3-5)Bottom be provided with the boss of pulling pin (3-8) and the boss of pulling pin (3-8) by the rank of electromagnet (3-4)Iron blocks.
3. according to a kind of electromagnetism synchronized model fault-belt catching device claimed in claim 2, it is characterized in that:Near holdback (16) being installed on the upper flashboard support of described left carrying roller (9-1) and for making electromagnetismThe travel switch (11) of iron (3-4) power on/off, is provided with one end and its on described holdback (16)The holdback rotating shaft (16-1) being rotationally connected, the other end of described holdback rotating shaft (16-1)Be fixedly connected with left carrying roller (9-1), fork (16-2) be installed on described holdback rotating shaft (16-1),Described travel switch (11) and fork (16-2) are oppositely arranged.
4. according to a kind of electromagnetism synchronized model fault-belt catching device described in claim 1,2 or 3, its spyLevy and be: the upper surface of the lower surface of described upper flashboard (7-2) and lower flashboard (2) is provided with rubberRubber cushion (12).
5. according to a kind of electromagnetism synchronized model fault-belt catching device described in claim 1,2 or 3, its spyLevy and be: the quantity of described upper flashboard (7-2) and lower flashboard (2) is two, two described onFlashboard (7-2) is symmetrical set, and two described lower flashboards (2) are symmetrical set.
6. according to a kind of electromagnetism synchronized model fault-belt catching device described in claim 1,2 or 3, its spyLevy and be: described left carrying roller (9-1), middle idler roller (8) and right carrying roller (9-2) all prop up by carrying rollerSupport seat (10) is arranged on carrier roller frame (1).
7. according to a kind of electromagnetism synchronized model fault-belt catching device described in claim 1,2 or 3, its spyLevy and be: described carrier roller frame (1) two bottom sides is provided with for being fixed in ribbon conveyerU-steel frame (14) on U-bolt (13).
8. according to a kind of electromagnetism synchronized model fault-belt catching device described in claim 1,2 or 3, its spyLevy and be: described upper flashboard support (4) is fixed on carrier roller frame (1) by fastening bolt (15).
9. according to a kind of electromagnetism synchronized model fault-belt catching device claimed in claim 3, it is characterized in that:Described electromagnet (3-4) is flame proof electromagnet.
CN201521070069.8U 2015-12-19 2015-12-19 Electromagnetism synchronized model is taken absolutely and is arrested ware Active CN205257348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521070069.8U CN205257348U (en) 2015-12-19 2015-12-19 Electromagnetism synchronized model is taken absolutely and is arrested ware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521070069.8U CN205257348U (en) 2015-12-19 2015-12-19 Electromagnetism synchronized model is taken absolutely and is arrested ware

Publications (1)

Publication Number Publication Date
CN205257348U true CN205257348U (en) 2016-05-25

Family

ID=55998891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521070069.8U Active CN205257348U (en) 2015-12-19 2015-12-19 Electromagnetism synchronized model is taken absolutely and is arrested ware

Country Status (1)

Country Link
CN (1) CN205257348U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108545426A (en) * 2018-06-04 2018-09-18 中国矿业大学 A kind of downward belt conveyor distributed brake device and autocontrol method
CN110817345A (en) * 2019-11-28 2020-02-21 河南威猛振动设备股份有限公司 Control detection system of electromagnetic type broken belt catching device and use method thereof
CN112027567A (en) * 2020-08-21 2020-12-04 李惠香 Stable catching mechanism of broken belt grabbing and paving device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108545426A (en) * 2018-06-04 2018-09-18 中国矿业大学 A kind of downward belt conveyor distributed brake device and autocontrol method
CN108545426B (en) * 2018-06-04 2024-01-16 中国矿业大学 Distributed braking device of downward belt conveyor and automatic control method
CN110817345A (en) * 2019-11-28 2020-02-21 河南威猛振动设备股份有限公司 Control detection system of electromagnetic type broken belt catching device and use method thereof
CN112027567A (en) * 2020-08-21 2020-12-04 李惠香 Stable catching mechanism of broken belt grabbing and paving device
CN112027567B (en) * 2020-08-21 2022-06-03 叶文贤 Stable catching mechanism of broken belt grabbing and paving device

Similar Documents

Publication Publication Date Title
CN205257348U (en) Electromagnetism synchronized model is taken absolutely and is arrested ware
CN105439046B (en) Stop device for effectively preventing lifting platform from falling
AU2014247637B2 (en) Guide rail rope deflection inhibition mechanism and method for parallel soft cable suspension system
CN101830346A (en) Full section broken belt protector for belt conveyor
CN202245793U (en) Steel wire rope jump prevention device
CN108217128A (en) A kind of conveyor belt breakage protective device
CN201670561U (en) Total section and belt protection device for belt conveyor
CN202670680U (en) Flexibly-catching four-link damping type broken belt protecting system
CN110577127B (en) Mine transportation equipment with safety retarder and safety operation method thereof
CN201400530Y (en) Rope breaking protector for hoisting machine
CN103318633A (en) Mechanical disconnected-belt capture device
CN203568652U (en) Mine falling protector
CN203359461U (en) Groove-shaped broken conveyor belt catching device
CN103121581B (en) Broken belt capturing device for belt conveyor
CN204416834U (en) A kind of building hoist protection mechanism
CN102748069B (en) Integral passive broken belt protection device and method for belt conveyor
CN207209270U (en) A kind of adaptive Full-automatic band conveyer belt break protection device
CN102730385A (en) Flexible arresting four-bar linkage damping type broken belt protection system
CN205034708U (en) Belt conveyor disconnected area down arrests ware
CN203268983U (en) Four-direction braking rope breaking-preventing device of hanging type conveyor
CN201896006U (en) Wedge-shaped rope catcher
CN103159002A (en) Four-chain balance device for mining chain bucket lifting machine
CN202449710U (en) Safety device for double-cage hoisting wellhead of mine vertical shaft
CN204624589U (en) Full cross-section belt break catching device
CN204983848U (en) Safety device of sky parking equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant