CN110526147A - A kind of bucket proposes mixing plant hopper protective device - Google Patents
A kind of bucket proposes mixing plant hopper protective device Download PDFInfo
- Publication number
- CN110526147A CN110526147A CN201910796185.4A CN201910796185A CN110526147A CN 110526147 A CN110526147 A CN 110526147A CN 201910796185 A CN201910796185 A CN 201910796185A CN 110526147 A CN110526147 A CN 110526147A
- Authority
- CN
- China
- Prior art keywords
- rack
- block
- hopper
- travel switch
- locating piece
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/56—Adaptations of limit switches
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of buckets to propose mixing plant hopper protective device; belong to concrete stirring field; including rack and hopper; it is locked block, the first locking movable block and the first locking cylinder it is characterized by: being provided with first in rack, the first protection wirerope is through the first locating piece and the second locating piece and is located at first and is locked between block and the first locking movable block；Second is provided in rack to be locked block, the second locking movable block and the second locking cylinder; second protection wirerope is locked between block and the second locking movable block through third locating piece and the 4th locating piece and positioned at second; first stretcher is installed on the first lower sheave, the second stretcher is installed on the second lower sheave.The present invention can effectively prevent the rapidly tenesmus of hoist ropes break rear hopper frame and hopper, and structure is simple, and have versatility, can be used in various types of hopper protections, being capable of effective guarantee safety in utilization.
Description
Technical field
The present invention relates to concrete mixer equipment technical fields more particularly to a kind of bucket to propose the protection of mixing plant hopper
Device.
Background technique
Concrete mixing plant includes stirring host, material weighing system, material-transporting system and material storing system.Coagulation
Soil mixing station is the combined unit for concentrated compactness concrete, also known as concrete prefabricated field.Due to its mechanization, automation
Degree is higher, so productivity is also very high, and can guarantee the quality of concrete and save cement, is usually used in concrete works amount
Greatly, the engineerings such as large and medium-sized water conservancy, electric power, bridge that long in time limit, building site is concentrated.With the development of urban construction, stirred using concentration
The mixing plant tool for mixing, providing commerical ready-mixed concrete has an enormous advantage, thus is rapidly developed, and to promote concrete pumping
Construction, realization are stirred, are conveyed, pouring mechanical integration of operation and create conditions.
Concrete mixing plant, aggregate conveying have hopper conveying and Belt Conveying two ways, using belt feeder and hopper into
Row, which promotes aggregate, respectively advantage and disadvantage.
Belt conveyor conveying distance is big, high production efficiency, reliable performance, easily closes, and is not easy climate influence, failure rate
Low, maintenance cost is low, but occupied area is larger.Belt Conveying is primarily adapted for use in the mixing plant of aggregate temporary storage cabin, to improve
The productivity of mixing plant.In recent years, also have using belt with decorative pattern and troughed belt conveyor, promote angle and be greatly improved,
Trough belt can vertical-lift be also difficult to promote but due to its reliability and rewinding the bad solution of material problem.
It promotes hopper and is typically only used for mixing plant, compact-sized, occupied area is small；Promote hopper installation quickly, the whole series are set
Standby installation and debugging only need can be completed for 2-4 days；The design of the feeding by the way of hoisting hopper, hopper and track, energy side
Just efficiently hold and topple over aggregate；Equipment body is mounted on steelframe, is both integrally placed on trailer and is transported convenient for equipment, steel
Frame also can be used as a part on basis, reduce builds to foundation engineering.The shortcomings that promoting hopper is that maintenance cost is high, poor reliability,
In the less use of large-sized concrete mixing plant.
Publication No. CN 202517589U, publication date are that the Chinese patent literature on November 07th, 2012 discloses one kind
The anti-fall bucket device of bucket type mixing plant is made of track, hopper, hopper frame, pulley yoke and lifting wirerope, it is characterized in that
A wirerope is fixed on every track, pulley yoke is slidably mounted on hopper frame, and the two sides of hopper frame are respectively provided with a fall arrest
Block, the hole at steel wire penetrating fall arrest block center, pulling block middle part are hinged on hopper frame, and the two sides of pulley yoke pass through connecting plate and cut with scissors
One end of pulling block is connect, the other end of pulling block is equipped with the wedge block that can protrude into fall arrest block centre bore, and one end of tension spring is fixed on material
On ladder, the other end is fixed on pulling block nearly wedge block end.
The anti-fall bucket device of bucket type mixing plant disclosed in the patent document, during bunker lift, when lifting wirerope
Wedge block is extend into fall arrest block under the double action of pulley yoke and tension spring when disconnected rope or attachment device are surprisingly broken suddenly
In heart hole, wirerope is embraced automatically in moment, stops elevator bucket steadily in time, will not crash into the hole bottom below track；But
Since wirerope is fixed on every track, when hopper elevating movement, wirerope is not moved, therefore anti-fall bucket device is necessary
It is produced on hopper；Hopper construction is more complicated, and production trouble is easy to appear failure；Hopper stress condition is not can display real-time
With hopper material containing weight, easily there is the security risk of wire cable rupture, safety is poor.
Summary of the invention
The present invention in order to overcome the defects of the prior art described above, provides a kind of struggle against and mentions mixing plant hopper protective device, this hair
The bright rapidly tenesmus that can effectively prevent hoist ropes break rear hopper frame and hopper, structure is simple, and has versatility, energy
Various types of hopper protections are enough in, it being capable of effective guarantee safety in utilization.
The present invention is achieved through the following technical solutions:
A kind of bucket proposes mixing plant hopper protective device, including rack and hopper, and idler wheel is provided on hopper, is arranged in rack useful
In the track that idler wheel rolls, it is characterised in that: the top side of the rack is fixed with the first top sheave, and the top of rack is another
Side is fixed with the second top sheave, and first top sheave and the second top sheave are speed limit pulley, and the bottom side of rack is fixed
There is the first lower sheave, the bottom other side of rack is fixed with the second lower sheave, between first top sheave and the first lower sheave
It is connected with the first protection wirerope, the second protection wirerope, the hopper are connected between the second top sheave and the second lower sheave
On be fixedly connected with transverse connecting rod, one end of transverse connecting rod is fixedly connected with the first protection wirerope, transverse connecting rod
The other end with second protection wirerope be fixedly connected, the upper rack side be provided with first be locked block, first locking
Movable block and the first locking cylinder, first block that is locked are fixed on the rack, and one end of the first locking cylinder is fixed on rack
On, the other end of the first locking cylinder is connect with the first locking movable block, and described first one end for being locked block is fixedly connected
There is the first locating piece, first other end for being locked block is fixedly connected with the second locating piece, one end of the first locking movable block
It is slidably connected with the first locating piece, the other end of the first locking movable block is slidably connected with the second locating piece, first protection
Wirerope is locked between block and the first locking movable block through the first locating piece and the second locating piece and positioned at first；It is described
The upper rack other side is provided with second and is locked block, the second locking movable block and the second locking cylinder, and second is locked
Block is fixed on the rack, and one end of the second locking cylinder is fixed on the rack, the other end of the second locking cylinder and the second locking
Movable block connection, described second one end for being locked block are fixedly connected with third locating piece, and second is locked the another of block
End is fixedly connected with the 4th locating piece, and one end of the second locking movable block is slidably connected with third locating piece, the second locking activity
The other end of block is slidably connected with the 4th locating piece, and the second protection wirerope runs through third locating piece and the 4th locating piece simultaneously
It is locked between block and the second locking movable block, is equipped on first lower sheave for adjusting the first protection positioned at second
First stretcher of tightness of steel wire rope is equipped with the second tensioning for adjusting the second protection tightness of steel wire rope on the second lower sheave
Device.
It is fixedly connected with hopper frame on the hopper, pulley is installed on hopper frame, elevator is fixed at the top of rack and mentions
Lifting motor, speed reducer, hoisting reel and slack rope seat, hoisting reel are connect by speed reducer with hoisting motor,
Boom hoist cable is wrapped on hoisting reel, boom hoist cable is fixedly connected by pulley one end with slack rope seat, the other end
It is fixedly connected with hoisting reel.
Decline control circuit, the promotion control circuit, frequency control for further including PLC controller, being electrically connected with PLC controller
Control circuit and display, the side of the rack is fixedly connected sequentially from top to bottom to be dropped to a travel switch, starts discharging
Position travel switch, first are raised to a travel switch, second are raised to a travel switch and overtravel position travel switch, drop to a stroke
Switch is electrically connected with decline control circuit；First is raised to a travel switch, second is raised to a travel switch and overtravel position stroke
Switch is electrically connected with promotion control circuit respectively；Start discharge level travel switch to be electrically connected with variable frequency regulating speed control circuit, be promoted
Be connected with sensor on wirerope, be connected with slack rope travel switch on slack rope seat, sensor and slack rope travel switch respectively with PLC
Controller electrical connection.
It is described first locking movable block on be provided with for clamp first protect wirerope the first waveform working face, first
It is locked on block and is provided with the second waveform working face compatible with the first waveform working face.
It is described second locking movable block on be provided with for clamp second protect wirerope the first zigzag working face, second
It is locked on block and is provided with the second zigzag working face compatible with the first zigzag working face.
Top inner wall one end of the rack is fixedly connected with the first top cushion part, and the top inner wall other end of rack is solid
Surely have the second top cushion part, the distance between slack rope seat and the first top cushion part and slack rope seat and the second top cushion part it
Between distance it is identical.
Bottom interior wall one end of the rack is fixedly connected with the first bottom bolster, and the bottom interior wall other end of rack is solid
Surely there is the second bottom bolster.
Working principle of the present invention is as follows:
Hoisting reel realizes positive and negative rotation by hoisting motor.Boom hoist cable is solid by pulley one end and slack rope seat
Fixed connection, the other end are fixedly connected with hoisting reel, pass through pulley driving hopper frame while hoisting reel rotates
Lifting operation, hopper frame, which is located on the track of rack by idler wheel, goes up and down operation, and hopper is fixed on hopper frame, and hopper follows
Hopper frame lifting operation.When hopper, which drops to, drops to a travel switch position, hopper is out of service, and hopper is not complete at this time
It is put into bottom, boom hoist cable is stress tension, and when dropping to the failure of travel switch, hopper just will continue to drop to bottom
Portion bolster position, boom hoist cable no longer stress when hopper is to bottom, spring action of the slack rope seat by internal installation, triggering
The movement of slack rope travel switch stops the operating of hoisting motor.When hopper start charging when, sensor by boom hoist cable by
Power, sensor will be reached PLC controller by force signal, pass through display real-time display hopper material containing situation and weight.
Hoisting motor is started and run using frequency control, when bunker lift to beginning discharge level travel switch,
Hopper starts fall-back, and when arrival first is raised to travel switch, hopper is out of service, starts discharging.Second is raised to position row
Cheng Kaiguan is spare stopping travel switch, is raised in the case that a travel switch fails first and plays the second safeguard protection.
Overtravel position travel switch plays final safeguard protection, and when travel switch all fails, hopper reaches overtravel position travel switch
When position, overtravel position travel switch disconnects hoisting motor main circuit.Top cushion part is for rear hopper punching of breaking down
It is worked as a buffer when top, bottom bolster is worked as a buffer for breaking down when rear hopper drops to bottom.Hopper frame two sides
Protection wirerope is ring structure, passes through transverse connecting rod after overprotection wirerope top sheave and protection steel wire rope gliding wheel
It is connected with hopper frame, therefore during hopper frame raising and lowering, protection wirerope is connect with hopper frame always, protects steel
The elastic of cord is realized by stretcher.
In use, when boom hoist cable is broken suddenly, slack rope seat triggers pine by the spring action of internal installation
Travel switch of restricting acts, and stops the operating of hoisting motor, while triggering the locking cylinder movement of hopper frame two sides；Or pass through
The force acting on transducer change triggers being mounted on boom hoist cable.Locking cylinder pushes locking movable block movement, will protect steel wire
Rope is clamped in locking movable block and is locked between block, and protection wirerope is static, and hopper frame is by protecting wirerope to stop at
On track, to prevent the rapidly tenesmus of hoist ropes break rear hopper frame and hopper.
Beneficial effects of the present invention are mainly manifested in following aspect:
One, of the invention, " top side of rack is fixed with the first top sheave, and the top other side of rack is fixed on second sliding
Wheel, the first top sheave and the second top sheave are speed limit pulley, and the bottom side of rack is fixed with the first lower sheave, the bottom of rack
The portion other side is fixed with the second lower sheave, is connected with the first protection wirerope between the first top sheave and the first lower sheave, and second
It is connected with the second protection wirerope between top sheave and the second lower sheave, is fixedly connected with transverse connecting rod on hopper, laterally connects
One end of extension bar is fixedly connected with the first protection wirerope, the other end of transverse connecting rod and the second fixed company of protection wirerope
It connects, upper rack side is provided with first and is locked block, the first locking movable block and the first locking cylinder, and first is locked
Block is fixed on the rack, and one end of the first locking cylinder is fixed on the rack, the other end of the first locking cylinder and the first locking
Movable block connection, first one end for being locked block are fixedly connected with the first locating piece, and first other end for being locked block is consolidated
Surely it is connected with the second locating piece, one end of the first locking movable block is slidably connected with the first locating piece, the first locking movable block
The other end is slidably connected with the second locating piece, and the first protection wirerope is through the first locating piece and the second locating piece and is located at first
It is locked between block and the first locking movable block；The upper rack other side be provided with second be locked block, second locking live
Motion block and the second locking cylinder, second block that is locked are fixed on the rack, and one end of the second locking cylinder is fixed on the rack,
The other end of second locking cylinder is connect with the second locking movable block, and it is fixed that second one end for being locked block is fixedly connected with third
Position block, second other end for being locked block are fixedly connected with the 4th locating piece, and one end of the second locking movable block and third are fixed
Position block is slidably connected, and the other end of the second locking movable block is slidably connected with the 4th locating piece, and the second protection wirerope runs through the
Three locating pieces and the 4th locating piece are simultaneously locked between block and the second locking movable block positioned at second, install on the first lower sheave
There is the first stretcher for adjusting the first protection tightness of steel wire rope, is equipped on the second lower sheave for adjusting the second protection steel
The second elastic stretcher of cord ", in use, since the first top sheave and the second top sheave are speed limit pulley, when promotion steel
Cord fracture drives protection wirerope top block rotation when hopper frame and hopper rapidly drop, be more than that certain revolving speed rear wheel is locked
Stubbornly refuse to rotate again, when boom hoist cable is broken suddenly, slack rope seat stops the operating of hoisting motor, the protection steel of hopper frame two sides
The movement of cord locking cylinder；Locking cylinder pushes locking movable block movement, and protection wirerope is clamped in locking movable block and lock
It fastens between block, therefore protects wirerope akinesia, hopper frame is stopped by protection wirerope in orbit, to prevent
The rapidly tenesmus of hoist ropes break rear hopper frame and hopper has structure simple, and has versatility, can be used in each
The hopper of seed type is protected, being capable of effective guarantee safety in utilization.
Two, of the invention, it is fixedly connected with hopper frame on hopper, pulley is installed on hopper frame, is fixed at the top of rack
Hoisting motor, speed reducer, hoisting reel and slack rope seat, hoisting reel pass through speed reducer and hoisting motor
It connects, is wrapped with boom hoist cable on hoisting reel, boom hoist cable is fixedly connected by pulley one end with slack rope seat, separately
One end is fixedly connected with hoisting reel, after hoist ropes break, slack rope seat no longer hopper and hoisting reel
Pulling force automatically resets, and then prevents hoisting motor after hoist ropes break from continuing to run, and locking cylinder pushes locking to live
Protection wirerope is clamped between locking movable block and the block that is locked by motion block movement, and protection wirerope is static, prevents hopper
Frame and hopper rapidly drop.
Three, of the invention, further include PLC controller, the decline control circuit that be electrically connected with PLC controller, promoted control it is electric
Road, variable frequency regulating speed control circuit and display, the side of rack is fixedly connected sequentially from top to bottom to be dropped to a travel switch, opens
Beginning discharge level travel switch, first are raised to a travel switch, second are raised to a travel switch and overtravel position travel switch, drop to
Position travel switch is electrically connected with decline control circuit；First is raised to a travel switch, second is raised to a travel switch and overtravel
Position travel switch is electrically connected with promotion control circuit respectively；Start discharge level travel switch to be electrically connected with variable frequency regulating speed control circuit
It connects, sensor is connected on boom hoist cable, slack rope travel switch, sensor and slack rope travel switch point are connected on slack rope seat
It is not electrically connected with PLC controller, when hopper starts charging, sensor is believed stress by boom hoist cable stress, sensor
Number PLC controller is reached, passes through display real-time display hopper material containing situation and weight；When boom hoist cable is broken suddenly, pine
Seat restrict by the internal spring action installed, triggering slack rope travel switch movement stops the operating of hoisting motor, triggers simultaneously
The protection wirerope of hopper frame two sides locks cylinder movement；Locking cylinder pushes locking movable block movement, will protect steel wire rope clamp
Tightly between locking movable block and the block that is locked, effectively prevent hoist ropes break rear hopper frame and hopper rapidly under
Pendant, compared with the prior art, by display real-time display hopper material containing situation and weight, can find and locate in time convenient for user
Reason problem prevents hopper overload operation and boom hoist cable because overload is broken, improves safety in utilization.Rose in hopper
Cheng Zhong, when hopper, which reaches first, is raised to travel switch, hopper is out of service, starts discharging, second is raised to a travel switch
For spare stopping travel switch, it is raised in the case that a travel switch fails first and plays the second safeguard protection.Overtravel
Position travel switch plays final safeguard protection, when travel switch all fails, and hopper reaches overtravel position travel switch position,
Overtravel position travel switch disconnects hoisting motor main circuit；Start discharge level travel switch and variable frequency regulating speed control circuit electricity
Connection, when bunker lift is to when starting discharge level travel switch, hopper starts fall-back, until hopper, which reaches first, is raised to position
Travel switch position prevents the hopper speed of service is too fast from causing first to be raised to a travel switch failure, and reduces hopper and unloading
Discharging impact force when material；When hopper, which reaches bottom, drops to travel switch, a travel switch movement, hoisting electricity are dropped to
Machine shuts down, and hopper is automatically stopped decline, has ensured the running stability of entire hopper.
Four, of the invention, the first waveform work for clamping the first protection wirerope is provided on the first locking movable block
Face, first, which is locked on block, is provided with the second waveform working face compatible with the first waveform working face, and the processing is simple, and
Be capable of increasing the first locking movable block and first protection wirerope frictional force and first be locked block with first protect steel
The frictional force of cord is locked so as to which the first protection wirerope is firmly clamped in the first locking movable block and first
Between block.
Five, of the invention, the first zigzag work for clamping the second protection wirerope is provided on the second locking movable block
Face, second, which is locked on block, is provided with the second zigzag working face compatible with the first zigzag working face, is capable of increasing
Two locking movable blocks with second protection wirerope frictional force and second be locked block and second protect wirerope friction
Power is locked between block so as to which the second protection wirerope is firmly clamped in the second locking movable block and second.
Six, of the invention, top inner wall one end of rack is fixedly connected with the first top cushion part, and the top inner wall of rack is another
One end is fixed with the second top cushion part, the distance between slack rope seat and the first top cushion part and slack rope seat and the second top is slow
The distance between stamping is identical, when hopper is rushed to summit because of failure, can play good buffer function.
Seven, of the invention, bottom interior wall one end of rack is fixedly connected with the first bottom bolster, and the bottom interior wall of rack is another
One end is fixed with the second bottom bolster, when hopper drops to bottom because of failure, can play buffer function, prevents hopper broken
Damage.
Detailed description of the invention
The present invention is described in further detail below in conjunction with specification drawings and specific embodiments, in which:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 be the present invention first be locked block with first locking movable block cooperate partial enlarged view；
Fig. 3 be the present invention second be locked block with second locking movable block cooperate partial enlarged view；
Fig. 4 is the enlarged drawing in Fig. 1 of the present invention at A；
Marked in the figure: 1, rack, 2, hopper, 3, idler wheel, 4, track, the 5, first top sheave, the 6, second top sheave, 7, first glides
Wheel, the 8, second lower sheave, the 9, first protection wirerope, the 10, second protection wirerope, 11, transverse connecting rod, the 12, first locking
Fixed block, the 13, first locking movable block, the 14, first locking cylinder, the 15, first locating piece, the 16, second locating piece, 17, second
Be locked block, the 18, second locking movable block, the 19, second locking cylinder, 20, third locating piece, the 21, the 4th locating piece, 22,
First stretcher, the 23, second stretcher, 24, hopper frame, 25, pulley, 26, hoisting motor, 27, speed reducer, 28, elevator
Hoisting drum, 29, slack rope seat, 30, boom hoist cable, 31, PLC controller, 32, display, 33, drop to a travel switch, 34,
Start discharge level travel switch, 35, first is raised to a travel switch, and 36, second is raised to a travel switch, 37, overtravel position row
Cheng Kaiguan, 38, sensor, 39, slack rope travel switch, the 40, first waveform working face, the 41, second waveform working face, 42,
First zigzag working face, the 43, second zigzag working face, the 44, first top cushion part, the 45, second top cushion part, 46,
First bottom bolster, the 47, second bottom bolster.
Specific embodiment
Embodiment 1
Referring to figures 1-3, a kind of bucket mentions mixing plant hopper protective device, including rack 1 and hopper 2, is provided with idler wheel on hopper 2
3, the track 4 rolled for idler wheel 3 is provided in rack 1, the top side of the rack 1 is fixed with the first top sheave 5, rack
The 1 top other side is fixed with the second top sheave 6, and first top sheave 5 and the second top sheave 6 are speed limit pulley, rack 1
Bottom side be fixed with the first lower sheave 7, the bottom other side of rack 1 is fixed with the second lower sheave 8, first top sheave
5 and first are connected with the first protection wirerope 9 between lower sheave 7, and is connected between the second top sheave 6 and the second lower sheave 8
Two protect wirerope 10, and transverse connecting rod 11, one end of transverse connecting rod 11 and the first protection are fixedly connected on the hopper 2
Wirerope 9 is fixedly connected, and the other end of transverse connecting rod 11 is fixedly connected with the second protection wirerope 10,1 top of rack
Side is provided with first block 12, first that is locked and locks movable block 13 and the first locking cylinder 14, and first is locked block 12
It is fixed in rack 1, one end of the first locking cylinder 14 is fixed in rack 1, the other end and first of the first locking cylinder 14
It locks movable block 13 to connect, described first one end for being locked block 12 is fixedly connected with the first locating piece 15, and the first locking is solid
The other end for determining block 12 is fixedly connected with the second locating piece 16, and one end of the first locking movable block 13 and the first locating piece 15 slide
The other end of connection, the first locking movable block 13 is slidably connected with the second locating piece 16, and the first protection wirerope 9 runs through the
A positioning block 15 and the second locating piece 16 are simultaneously locked between block 12 and the first locking movable block 13 positioned at first；The rack
The 1 top other side is provided with second block 17, second that is locked and locks movable block 18 and the second locking cylinder 19, and the second locking is solid
Determine block 17 to be fixed in rack 1, one end of the second locking cylinder 19 is fixed in rack 1, the other end of the second locking cylinder 19
It being connect with the second locking movable block 18, described second one end for being locked block 17 is fixedly connected with third locating piece 20, and second
The other end of block 17 of being locked is fixedly connected with the 4th locating piece 21, one end of the second locking movable block 18 and third locating piece
20 are slidably connected, and the other end of the second locking movable block 18 is slidably connected with the 4th locating piece 21, the second protection wirerope
10 are locked between block 17 and the second locking movable block 18 through third locating piece 20 and the 4th locating piece 21 and positioned at second,
It is equipped on first lower sheave 7 for adjusting the first elastic stretcher 22 of the first protection wirerope 9, the second lower sheave 8
On be equipped with for adjusting the second elastic the second stretcher 23 of protection wirerope 10.
The present embodiment is most basic embodiment, and " top side of rack is fixed with the first top sheave, the top of rack
The other side is fixed with the second top sheave, and the first top sheave and the second top sheave are speed limit pulley, and the bottom side of rack is fixed
There is the first lower sheave, the bottom other side of rack is fixed with the second lower sheave, connects between the first top sheave and the first lower sheave
There is the first protection wirerope, the second protection wirerope, fixed company on hopper are connected between the second top sheave and the second lower sheave
Be connected to transverse connecting rod, one end of transverse connecting rod is fixedly connected with the first protection wirerope, the other end of transverse connecting rod with
Second protection wirerope be fixedly connected, upper rack side be provided with first be locked block, first locking movable block and first
Locking cylinder, first block that is locked are fixed on the rack, and one end of the first locking cylinder is fixed on the rack, the first locking gas
The other end of cylinder is connect with the first locking movable block, and first one end for being locked block is fixedly connected with the first locating piece, and first
The other end of block of being locked is fixedly connected with the second locating piece, and one end of the first locking movable block and the sliding of the first locating piece connect
Connect, first locking movable block the other end be slidably connected with the second locating piece, first protection wirerope through the first locating piece with
Second locating piece is simultaneously locked between block and the first locking movable block positioned at first；The upper rack other side is provided with the second lock
Fasten block, the second locking movable block and the second locking cylinder, second block that is locked is fixed on the rack, the second locking cylinder
One end be fixed on the rack, the other end of the second locking cylinder is connect with the second locking movable block, and second is locked block
One end is fixedly connected with third locating piece, and second other end for being locked block is fixedly connected with the 4th locating piece, the second locking
One end of movable block is slidably connected with third locating piece, and the other end of the second locking movable block is slidably connected with the 4th locating piece,
Second protection wirerope is through third locating piece and the 4th locating piece and is located at second and is locked block and the second locking movable block
Between, the first stretcher for adjusting the first protection tightness of steel wire rope is installed on the first lower sheave, is pacified on the second lower sheave
Equipped with the second stretcher for adjusting the second protection tightness of steel wire rope ", in use, due to the first top sheave and the second top sheave
It is speed limit pulley, works as hoist ropes break, protection wirerope top block rotation is driven when hopper frame and hopper rapidly drop,
Locked more than certain revolving speed rear wheel no longer to rotate, when boom hoist cable is broken suddenly, slack rope seat stops hoisting motor fortune
Turn, the protection wirerope of hopper frame two sides locks cylinder movement；Locking cylinder pushes locking movable block movement, will protect wirerope
It is clamped in locking movable block and is locked between block, therefore protect wirerope akinesia, hopper frame passes through protection wirerope
Stop in orbit, to prevent the rapidly tenesmus of hoist ropes break rear hopper frame and hopper, has structure simple, and
With versatility, it can be used in various types of hopper protections, it being capable of effective guarantee safety in utilization.
Embodiment 2
Referring to figures 1-4, a kind of bucket mentions mixing plant hopper protective device, including rack 1 and hopper 2, is provided with idler wheel on hopper 2
3, the track 4 rolled for idler wheel 3 is provided in rack 1, the top side of the rack 1 is fixed with the first top sheave 5, rack
The 1 top other side is fixed with the second top sheave 6, and first top sheave 5 and the second top sheave 6 are speed limit pulley, rack 1
Bottom side be fixed with the first lower sheave 7, the bottom other side of rack 1 is fixed with the second lower sheave 8, first top sheave
5 and first are connected with the first protection wirerope 9 between lower sheave 7, and is connected between the second top sheave 6 and the second lower sheave 8
Two protect wirerope 10, and transverse connecting rod 11, one end of transverse connecting rod 11 and the first protection are fixedly connected on the hopper 2
Wirerope 9 is fixedly connected, and the other end of transverse connecting rod 11 is fixedly connected with the second protection wirerope 10,1 top of rack
Side is provided with first block 12, first that is locked and locks movable block 13 and the first locking cylinder 14, and first is locked block 12
It is fixed in rack 1, one end of the first locking cylinder 14 is fixed in rack 1, the other end and first of the first locking cylinder 14
It locks movable block 13 to connect, described first one end for being locked block 12 is fixedly connected with the first locating piece 15, and the first locking is solid
The other end for determining block 12 is fixedly connected with the second locating piece 16, and one end of the first locking movable block 13 and the first locating piece 15 slide
The other end of connection, the first locking movable block 13 is slidably connected with the second locating piece 16, and the first protection wirerope 9 runs through the
A positioning block 15 and the second locating piece 16 are simultaneously locked between block 12 and the first locking movable block 13 positioned at first；The rack
The 1 top other side is provided with second block 17, second that is locked and locks movable block 18 and the second locking cylinder 19, and the second locking is solid
Determine block 17 to be fixed in rack 1, one end of the second locking cylinder 19 is fixed in rack 1, the other end of the second locking cylinder 19
It being connect with the second locking movable block 18, described second one end for being locked block 17 is fixedly connected with third locating piece 20, and second
The other end of block 17 of being locked is fixedly connected with the 4th locating piece 21, one end of the second locking movable block 18 and third locating piece
20 are slidably connected, and the other end of the second locking movable block 18 is slidably connected with the 4th locating piece 21, the second protection wirerope
10 are locked between block 17 and the second locking movable block 18 through third locating piece 20 and the 4th locating piece 21 and positioned at second,
It is equipped on first lower sheave 7 for adjusting the first elastic stretcher 22 of the first protection wirerope 9, the second lower sheave 8
On be equipped with for adjusting the second elastic the second stretcher 23 of protection wirerope 10.
It is fixedly connected with hopper frame 24 on the hopper 2, pulley 25 is installed on hopper frame 24, the top of rack 1 is fixed
There are hoisting motor 26, speed reducer 27, hoisting reel 28 and slack rope seat 29, hoisting reel 28 passes through speed reducer 27
It is connect with hoisting motor 26, boom hoist cable 30 is wrapped on hoisting reel 28, boom hoist cable 30 passes through pulley
25 one end are fixedly connected with slack rope seat 29, and the other end is fixedly connected with hoisting reel 28.
The present embodiment is a better embodiment, is fixedly connected with hopper frame on hopper, pulley, machine are equipped on hopper frame
Hoisting motor, speed reducer, hoisting reel and slack rope seat are fixed at the top of frame, hoisting reel passes through speed reducer
It is connect with hoisting motor, boom hoist cable is wrapped on hoisting reel, boom hoist cable passes through pulley one end and pine
Rope seat is fixedly connected, and the other end is fixedly connected with hoisting reel, after hoist ropes break, slack rope seat no longer hopper
It with hoisting reel pulling force, automatically resets, and then prevents hoisting motor after hoist ropes break from continuing to run, lock
Cylinder pushes locking movable block movement, and protection wirerope is clamped between locking movable block and the block that is locked, steel wire is protected
It restricts static, prevents hopper frame and hopper from rapidly dropping.
Embodiment 3
Referring to figures 1-4, a kind of bucket mentions mixing plant hopper protective device, including rack 1 and hopper 2, is provided with idler wheel on hopper 2
3, the track 4 rolled for idler wheel 3 is provided in rack 1, the top side of the rack 1 is fixed with the first top sheave 5, rack
The 1 top other side is fixed with the second top sheave 6, and first top sheave 5 and the second top sheave 6 are speed limit pulley, rack 1
Bottom side be fixed with the first lower sheave 7, the bottom other side of rack 1 is fixed with the second lower sheave 8, first top sheave
5 and first are connected with the first protection wirerope 9 between lower sheave 7, and is connected between the second top sheave 6 and the second lower sheave 8
Two protect wirerope 10, and transverse connecting rod 11, one end of transverse connecting rod 11 and the first protection are fixedly connected on the hopper 2
Wirerope 9 is fixedly connected, and the other end of transverse connecting rod 11 is fixedly connected with the second protection wirerope 10,1 top of rack
Side is provided with first block 12, first that is locked and locks movable block 13 and the first locking cylinder 14, and first is locked block 12
It is fixed in rack 1, one end of the first locking cylinder 14 is fixed in rack 1, the other end and first of the first locking cylinder 14
It locks movable block 13 to connect, described first one end for being locked block 12 is fixedly connected with the first locating piece 15, and the first locking is solid
The other end for determining block 12 is fixedly connected with the second locating piece 16, and one end of the first locking movable block 13 and the first locating piece 15 slide
The other end of connection, the first locking movable block 13 is slidably connected with the second locating piece 16, and the first protection wirerope 9 runs through the
A positioning block 15 and the second locating piece 16 are simultaneously locked between block 12 and the first locking movable block 13 positioned at first；The rack
The 1 top other side is provided with second block 17, second that is locked and locks movable block 18 and the second locking cylinder 19, and the second locking is solid
Determine block 17 to be fixed in rack 1, one end of the second locking cylinder 19 is fixed in rack 1, the other end of the second locking cylinder 19
It being connect with the second locking movable block 18, described second one end for being locked block 17 is fixedly connected with third locating piece 20, and second
The other end of block 17 of being locked is fixedly connected with the 4th locating piece 21, one end of the second locking movable block 18 and third locating piece
20 are slidably connected, and the other end of the second locking movable block 18 is slidably connected with the 4th locating piece 21, the second protection wirerope
10 are locked between block 17 and the second locking movable block 18 through third locating piece 20 and the 4th locating piece 21 and positioned at second,
It is equipped on first lower sheave 7 for adjusting the first elastic stretcher 22 of the first protection wirerope 9, the second lower sheave 8
On be equipped with for adjusting the second elastic the second stretcher 23 of protection wirerope 10.
It is fixedly connected with hopper frame 24 on the hopper 2, pulley 25 is installed on hopper frame 24, the top of rack 1 is fixed
There are hoisting motor 26, speed reducer 27, hoisting reel 28 and slack rope seat 29, hoisting reel 28 passes through speed reducer 27
It is connect with hoisting motor 26, boom hoist cable 30 is wrapped on hoisting reel 28, boom hoist cable 30 passes through pulley
25 one end are fixedly connected with slack rope seat 29, and the other end is fixedly connected with hoisting reel 28.
Decline control circuit, the promotion control circuit, frequency conversion for further including PLC controller 31, being electrically connected with PLC controller 31
Speed-regulating control circuit and display 32, the side of the rack 1 be fixedly connected sequentially from top to bottom drop to a travel switch 33,
Start discharge level travel switch 34, first is raised to a travel switch 35, second is raised to a travel switch 36 and overtravel position stroke
Switch 37 drops to a travel switch 33 and is electrically connected with decline control circuit；First is raised to a travel switch 35, second is raised to position row
Cheng Kaiguan 36 and overtravel position travel switch 37 are electrically connected with promotion control circuit respectively；Start discharge level travel switch 34 and becomes
Frequency speed-regulating control circuit is electrically connected, and is connected with sensor 38 on boom hoist cable 30, slack rope stroke is connected on slack rope seat 29 and is opened
39 are closed, sensor 38 and slack rope travel switch 39 are electrically connected with PLC controller 31 respectively.
The present embodiment is another better embodiment, further includes PLC controller, the decline control being electrically connected with PLC controller
Circuit, promotion control circuit, variable frequency regulating speed control circuit and display processed, the side of the rack is successively fixed from top to bottom to be connected
Be connected to drop to a travel switch, start discharge level travel switch, first be raised to a travel switch, second be raised to a travel switch and
Overtravel position travel switch drops to a travel switch and is electrically connected with decline control circuit；First is raised to a travel switch, second liter
Travel switch and overtravel position travel switch are electrically connected with promotion control circuit respectively in place；Start discharge level travel switch and becomes
Frequency speed-regulating control circuit is electrically connected, and is connected with sensor on boom hoist cable, slack rope travel switch is connected on slack rope seat, is sensed
Device and slack rope travel switch are electrically connected with PLC controller respectively, when hopper start charging when, sensor by boom hoist cable by
Power, sensor will be reached PLC controller by force signal, pass through display real-time display hopper material containing situation and weight；Work as promotion
Wirerope is broken suddenly, and slack rope seat triggers the movement of slack rope travel switch, stop hoisting by the spring action of internal installation
Motor operating, while triggering the protection wirerope locking cylinder movement of hopper frame two sides；Locking cylinder pushes locking movable block dynamic
Make, protection wirerope is clamped between locking movable block and the block that is locked, hoist ropes break rear hopper is effectively prevent
The rapidly tenesmus of frame and hopper, compared with the prior art, by display real-time display hopper material containing situation and weight, convenient for using
Family can find and handle in time problem, prevent hopper overload operation and boom hoist cable because overload is broken, improve using peace
Quan Xing.In hopper uphill process, when hopper, which reaches first, is raised to travel switch, hopper is out of service, starts discharging, the
Two are raised to a travel switch as spare stopping travel switch, and second is safe from first is raised in the case that a travel switch fails
Protective effect.Overtravel position travel switch plays final safeguard protection, and when travel switch all fails, hopper reaches overtravel position
When travel switch position, overtravel position travel switch disconnects hoisting motor main circuit；Start discharge level travel switch and becomes
The electrical connection of frequency speed-regulating control circuit, when bunker lift is to when starting discharge level travel switch, hopper starts fall-back, until material
Bucket reaches first and is raised to a travel switch position, prevents the hopper speed of service is too fast from causing first to be raised to a travel switch failure,
And reduce discharging impact force of the hopper in discharging；When hopper, which reaches bottom, drops to travel switch, drops to a stroke and open
Pass movement, hoisting motor shut down, and hopper is automatically stopped decline, has ensured the running stability of entire hopper.
Embodiment 4
Referring to figures 1-4, a kind of bucket mentions mixing plant hopper protective device, including rack 1 and hopper 2, is provided with idler wheel on hopper 2
3, the track 4 rolled for idler wheel 3 is provided in rack 1, the top side of the rack 1 is fixed with the first top sheave 5, rack
The 1 top other side is fixed with the second top sheave 6, and first top sheave 5 and the second top sheave 6 are speed limit pulley, rack 1
Bottom side be fixed with the first lower sheave 7, the bottom other side of rack 1 is fixed with the second lower sheave 8, first top sheave
5 and first are connected with the first protection wirerope 9 between lower sheave 7, and is connected between the second top sheave 6 and the second lower sheave 8
Two protect wirerope 10, and transverse connecting rod 11, one end of transverse connecting rod 11 and the first protection are fixedly connected on the hopper 2
Wirerope 9 is fixedly connected, and the other end of transverse connecting rod 11 is fixedly connected with the second protection wirerope 10,1 top of rack
Side is provided with first block 12, first that is locked and locks movable block 13 and the first locking cylinder 14, and first is locked block 12
It is fixed in rack 1, one end of the first locking cylinder 14 is fixed in rack 1, the other end and first of the first locking cylinder 14
It locks movable block 13 to connect, described first one end for being locked block 12 is fixedly connected with the first locating piece 15, and the first locking is solid
The other end for determining block 12 is fixedly connected with the second locating piece 16, and one end of the first locking movable block 13 and the first locating piece 15 slide
The other end of connection, the first locking movable block 13 is slidably connected with the second locating piece 16, and the first protection wirerope 9 runs through the
A positioning block 15 and the second locating piece 16 are simultaneously locked between block 12 and the first locking movable block 13 positioned at first；The rack
The 1 top other side is provided with second block 17, second that is locked and locks movable block 18 and the second locking cylinder 19, and the second locking is solid
Determine block 17 to be fixed in rack 1, one end of the second locking cylinder 19 is fixed in rack 1, the other end of the second locking cylinder 19
It being connect with the second locking movable block 18, described second one end for being locked block 17 is fixedly connected with third locating piece 20, and second
The other end of block 17 of being locked is fixedly connected with the 4th locating piece 21, one end of the second locking movable block 18 and third locating piece
20 are slidably connected, and the other end of the second locking movable block 18 is slidably connected with the 4th locating piece 21, the second protection wirerope
10 are locked between block 17 and the second locking movable block 18 through third locating piece 20 and the 4th locating piece 21 and positioned at second,
It is equipped on first lower sheave 7 for adjusting the first elastic stretcher 22 of the first protection wirerope 9, the second lower sheave 8
On be equipped with for adjusting the second elastic the second stretcher 23 of protection wirerope 10.
It is fixedly connected with hopper frame 24 on the hopper 2, pulley 25 is installed on hopper frame 24, the top of rack 1 is fixed
There are hoisting motor 26, speed reducer 27, hoisting reel 28 and slack rope seat 29, hoisting reel 28 passes through speed reducer 27
It is connect with hoisting motor 26, boom hoist cable 30 is wrapped on hoisting reel 28, boom hoist cable 30 passes through pulley
25 one end are fixedly connected with slack rope seat 29, and the other end is fixedly connected with hoisting reel 28.
Decline control circuit, the promotion control circuit, frequency conversion for further including PLC controller 31, being electrically connected with PLC controller 31
Speed-regulating control circuit and display 32, the side of the rack 1 be fixedly connected sequentially from top to bottom drop to a travel switch 33,
Start discharge level travel switch 34, first is raised to a travel switch 35, second is raised to a travel switch 36 and overtravel position stroke
Switch 37 drops to a travel switch 33 and is electrically connected with decline control circuit；First is raised to a travel switch 35, second is raised to position row
Cheng Kaiguan 36 and overtravel position travel switch 37 are electrically connected with promotion control circuit respectively；Start discharge level travel switch 34 and becomes
Frequency speed-regulating control circuit is electrically connected, and is connected with sensor 38 on boom hoist cable 30, slack rope stroke is connected on slack rope seat 29 and is opened
39 are closed, sensor 38 and slack rope travel switch 39 are electrically connected with PLC controller 31 respectively.
The first waveform working face for clamping the first protection wirerope 9 is provided on the first locking movable block 13
40, first, which is locked on block 12, is provided with second waveform working face 41 compatible with the first waveform working face 40.
The first zigzag working face for clamping the second protection wirerope 10 is provided on the second locking movable block 18
42, second, which is locked on block 17, is provided with second zigzag working face 43 compatible with the first zigzag working face 42.
The present embodiment is another better embodiment, is provided on the first locking movable block for clamping the first protection wirerope
The first waveform working face, first, which is locked on block, is provided with the second waveform work compatible with the first waveform working face
Make face, the processing is simple, and the frictional force for being capable of increasing the first locking movable block and the first protection wirerope and the first locking are admittedly
The frictional force of block and the first protection wirerope is determined, so as to which the first protection wirerope is firmly clamped in the first locking activity
Block and first is locked between block.
The first zigzag working face for clamping the second protection wirerope, the second locking are provided on second locking movable block
It is provided with the second zigzag working face compatible with the first zigzag working face on fixed block, is capable of increasing the second locking movable block
With second protection wirerope frictional force and second be locked block with second protect wirerope frictional force, so as to jail
Solid the second protection wirerope is clamped in the second locking movable block and second and is locked between block.
Embodiment 5
Referring to figures 1-4, a kind of bucket mentions mixing plant hopper protective device, including rack 1 and hopper 2, is provided with idler wheel on hopper 2
3, the track 4 rolled for idler wheel 3 is provided in rack 1, the top side of the rack 1 is fixed with the first top sheave 5, rack
The 1 top other side is fixed with the second top sheave 6, and first top sheave 5 and the second top sheave 6 are speed limit pulley, rack 1
Bottom side be fixed with the first lower sheave 7, the bottom other side of rack 1 is fixed with the second lower sheave 8, first top sheave
5 and first are connected with the first protection wirerope 9 between lower sheave 7, and is connected between the second top sheave 6 and the second lower sheave 8
Two protect wirerope 10, and transverse connecting rod 11, one end of transverse connecting rod 11 and the first protection are fixedly connected on the hopper 2
Wirerope 9 is fixedly connected, and the other end of transverse connecting rod 11 is fixedly connected with the second protection wirerope 10,1 top of rack
Side is provided with first block 12, first that is locked and locks movable block 13 and the first locking cylinder 14, and first is locked block 12
It is fixed in rack 1, one end of the first locking cylinder 14 is fixed in rack 1, the other end and first of the first locking cylinder 14
It locks movable block 13 to connect, described first one end for being locked block 12 is fixedly connected with the first locating piece 15, and the first locking is solid
The other end for determining block 12 is fixedly connected with the second locating piece 16, and one end of the first locking movable block 13 and the first locating piece 15 slide
The other end of connection, the first locking movable block 13 is slidably connected with the second locating piece 16, and the first protection wirerope 9 runs through the
A positioning block 15 and the second locating piece 16 are simultaneously locked between block 12 and the first locking movable block 13 positioned at first；The rack
The 1 top other side is provided with second block 17, second that is locked and locks movable block 18 and the second locking cylinder 19, and the second locking is solid
Determine block 17 to be fixed in rack 1, one end of the second locking cylinder 19 is fixed in rack 1, the other end of the second locking cylinder 19
It being connect with the second locking movable block 18, described second one end for being locked block 17 is fixedly connected with third locating piece 20, and second
The other end of block 17 of being locked is fixedly connected with the 4th locating piece 21, one end of the second locking movable block 18 and third locating piece
20 are slidably connected, and the other end of the second locking movable block 18 is slidably connected with the 4th locating piece 21, the second protection wirerope
10 are locked between block 17 and the second locking movable block 18 through third locating piece 20 and the 4th locating piece 21 and positioned at second,
It is equipped on first lower sheave 7 for adjusting the first elastic stretcher 22 of the first protection wirerope 9, the second lower sheave 8
On be equipped with for adjusting the second elastic the second stretcher 23 of protection wirerope 10.
It is fixedly connected with hopper frame 24 on the hopper 2, pulley 25 is installed on hopper frame 24, the top of rack 1 is fixed
There are hoisting motor 26, speed reducer 27, hoisting reel 28 and slack rope seat 29, hoisting reel 28 passes through speed reducer 27
It is connect with hoisting motor 26, boom hoist cable 30 is wrapped on hoisting reel 28, boom hoist cable 30 passes through pulley
25 one end are fixedly connected with slack rope seat 29, and the other end is fixedly connected with hoisting reel 28.
Decline control circuit, the promotion control circuit, frequency conversion for further including PLC controller 31, being electrically connected with PLC controller 31
Speed-regulating control circuit and display 32, the side of the rack 1 be fixedly connected sequentially from top to bottom drop to a travel switch 33,
Start discharge level travel switch 34, first is raised to a travel switch 35, second is raised to a travel switch 36 and overtravel position stroke
Switch 37 drops to a travel switch 33 and is electrically connected with decline control circuit；First is raised to a travel switch 35, second is raised to position row
Cheng Kaiguan 36 and overtravel position travel switch 37 are electrically connected with promotion control circuit respectively；Start discharge level travel switch 34 and becomes
Frequency speed-regulating control circuit is electrically connected, and is connected with sensor 38 on boom hoist cable 30, slack rope stroke is connected on slack rope seat 29 and is opened
39 are closed, sensor 38 and slack rope travel switch 39 are electrically connected with PLC controller 31 respectively.
The first waveform working face for clamping the first protection wirerope 9 is provided on the first locking movable block 13
40, first, which is locked on block 12, is provided with second waveform working face 41 compatible with the first waveform working face 40.
The first zigzag working face for clamping the second protection wirerope 10 is provided on the second locking movable block 18
42, second, which is locked on block 17, is provided with second zigzag working face 43 compatible with the first zigzag working face 42.
Top inner wall one end of the rack 1 is fixedly connected with the first top cushion part 44, and the top inner wall of rack 1 is another
End is fixed with the second top cushion part 45, the distance between slack rope seat 29 and the first top cushion part 44 and slack rope seat 29 and second
The distance between top cushion part 45 is identical.
Bottom interior wall one end of the rack 1 is fixedly connected with the first bottom bolster 46, and the bottom interior wall of rack 1 is another
End is fixed with the second bottom bolster 47.
The present embodiment is preferred forms, further includes PLC controller, the decline being electrically connected with PLC controller control electricity
Road, promotion control circuit, variable frequency regulating speed control circuit and display, the side of the rack are fixedly connected sequentially have from top to bottom
A travel switch is dropped to, starts discharge level travel switch, first is raised to a travel switch, second is raised to a travel switch and is out of the line
Journey position travel switch drops to a travel switch and is electrically connected with decline control circuit；First is raised to a travel switch, second is raised to position
Travel switch and overtravel position travel switch are electrically connected with promotion control circuit respectively；Start discharge level travel switch and frequency conversion tune
The electrical connection of fast control circuit is connected with sensor on boom hoist cable, is connected with slack rope travel switch on slack rope seat, sensor and
Slack rope travel switch is electrically connected with PLC controller respectively, and when hopper starts charging, sensor passes through boom hoist cable stress,
Sensor will be reached PLC controller by force signal, pass through display real-time display hopper material containing situation and weight；When promotion steel wire
Rope fracture suddenly, slack rope seat pass through the spring action of internal installation, triggering slack rope travel switch movement, stopping hoisting motor
Operating, while triggering the protection wirerope locking cylinder movement of hopper frame two sides；Locking cylinder pushes locking movable block movement, will
Protection wirerope is clamped in locking movable block and is locked between block, effectively prevent hoist ropes break rear hopper frame and material
The rapidly tenesmus of bucket, compared with the prior art, by display real-time display hopper material containing situation and weight, convenient for user can and
Shi Faxian and processing problem, prevent hopper overload operation and boom hoist cable because overload is broken, improve safety in utilization.In
In hopper uphill process, when hopper, which reaches first, is raised to travel switch, hopper is out of service, starts discharging, second is raised to
Position travel switch is spare stopping travel switch, and the second safeguard protection is made from first is raised in the case that a travel switch fails
With.Overtravel position travel switch plays final safeguard protection, and when travel switch all fails, hopper reaches overtravel position stroke and opens
When off position, overtravel position travel switch disconnects hoisting motor main circuit；Start discharge level travel switch and frequency control
Control circuit electrical connection, when bunker lift is to when starting discharge level travel switch, hopper starts fall-back, until hopper reaches
First is raised to a travel switch position, prevents the hopper speed of service is too fast from causing first to be raised to a travel switch failure, and reduce
Discharging impact force of the hopper in discharging；When hopper, which reaches bottom, drops to travel switch, a travel switch movement is dropped to,
Hoisting motor shuts down, and hopper is automatically stopped decline, has ensured the running stability of entire hopper.
Top inner wall one end of rack is fixedly connected with the first top cushion part, and the top inner wall other end of rack is fixed with
Second top cushion part, between the distance between slack rope seat and the first top cushion part and slack rope seat and the second top cushion part
Apart from identical, when hopper is rushed to summit because of failure, good buffer function can be played.
Bottom interior wall one end of rack is fixedly connected with the first bottom bolster, and the bottom interior wall other end of rack is fixed with
Second bottom bolster can play buffer function when hopper drops to bottom because of failure, prevent hopper damaged.
Claims (7)
1. a kind of bucket mentions mixing plant hopper protective device, including rack (1) and hopper (2), idler wheel (3) are provided on hopper (2),
The track (4) rolled for idler wheel (3) is provided in rack (1), it is characterised in that: the top side of the rack (1) is fixed
Have the first top sheave (5), the top other side of rack (1) is fixed with the second top sheave (6), first top sheave (5) and
Two top sheaves (6) are speed limit pulley, and the bottom side of rack (1) is fixed with the first lower sheave (7), and the bottom of rack (1) is another
Side is fixed with the second lower sheave (8), is connected with the first protection steel between first top sheave (5) and the first lower sheave (7)
Cord (9) is connected with the second protection wirerope (10), the hopper (2) between the second top sheave (6) and the second lower sheave (8)
On be fixedly connected with transverse connecting rod (11), one end of transverse connecting rod (11) is fixedly connected with the first protection wirerope (9), horizontal
It is fixedly connected to the other end of connecting rod (11) with the second protection wirerope (10), rack (1) the top side is provided with the
One is locked block (12), the first locking movable block (13) and the first locking cylinder (14), and first is locked block (12) fixation
On rack (1), one end of the first locking cylinder (14) is fixed on rack (1), the other end of the first locking cylinder (14) with
First locking movable block (13) connection, described first one end for being locked block (12) are fixedly connected with the first locating piece (15),
First other end for being locked block (12) is fixedly connected with the second locating piece (16), first locking movable block (13) one end with
First locating piece (15) is slidably connected, and the other end of the first locking movable block (13) is slidably connected with the second locating piece (16), institute
It states the first protection wirerope (9) and is locked block (12) through the first locating piece (15) and the second locating piece (16) and positioned at first
And first locking movable block (13) between；Rack (1) the top other side be provided with second be locked block (17), second lock
Tight movable block (18) and the second locking cylinder (19), second block (17) that is locked are fixed on rack (1), the second locking cylinder
(19) one end is fixed on rack (1), and the other end of the second locking cylinder (19) is connect with the second locking movable block (18), institute
It states one end that second is locked block (17) to be fixedly connected with third locating piece (20), second other end for being locked block (17)
It is fixedly connected with the 4th locating piece (21), one end of the second locking movable block (18) is slidably connected with third locating piece (20), the
The other ends of two lockings movable block (18) are slidably connected with the 4th locating piece (21), and second protection wirerope (10) runs through the
Three locating pieces (20) and the 4th locating piece (21) are simultaneously locked between block (17) and the second locking movable block (18) positioned at second,
It is equipped on first lower sheave (7) and is used to adjust elastic the first stretcher (22) of the first protection wirerope (9), under second
It is equipped on pulley (8) for adjusting elastic the second stretcher (23) of the second protection wirerope (10).
2. a kind of bucket according to claim 1 proposes mixing plant hopper protective device, it is characterised in that: on the hopper (2)
It is fixedly connected with hopper frame (24), is equipped on hopper frame (24) pulley (25), hoisting electricity is fixed at the top of rack (1)
Machine (26), speed reducer (27), hoisting reel (28) and slack rope seat (29), hoisting reel (28) pass through speed reducer (27)
It connect, is wrapped on hoisting reel (28) boom hoist cable (30) with hoisting motor (26), boom hoist cable (30)
It is fixedly connected by pulley (25) one end with slack rope seat (29), the other end is fixedly connected with hoisting reel (28).
3. a kind of bucket according to claim 2 proposes mixing plant hopper protective device, it is characterised in that: further include PLC control
Device (31), the decline control circuit being electrically connected with PLC controller (31) promote control circuit, variable frequency regulating speed control circuit and show
Show device (32), the side of the rack (1) is fixedly connected sequentially from top to bottom to be dropped to a travel switch (33), starts discharge level
Travel switch (34), first are raised to a travel switch (35), second are raised to a travel switch (36) and overtravel position travel switch
(37), a travel switch (33) is dropped to be electrically connected with decline control circuit；First is raised to a travel switch (35), second is raised to position
Travel switch (36) and overtravel position travel switch (37) are electrically connected with promotion control circuit respectively；Start discharge level travel switch
(34) it is electrically connected, is connected on boom hoist cable (30) sensor (38) with variable frequency regulating speed control circuit, slack rope seat connects on (29)
It is connected to slack rope travel switch (39), sensor (38) and slack rope travel switch (39) are electrically connected with PLC controller (31) respectively.
4. a kind of bucket according to claim 1 proposes mixing plant hopper protective device, it is characterised in that: first locking is lived
It is provided on motion block (13) for clamp the first the first waveform working face (40) for protecting wirerope (9), first is locked block
(12) the compatible second waveform working face (41) with the first waveform working face (40) is provided on.
5. a kind of bucket according to claim 1 proposes mixing plant hopper protective device, it is characterised in that: second locking is lived
It is provided on motion block (18) for clamp the second the first zigzag working face (42) for protecting wirerope (10), second is locked block
(17) the compatible second zigzag working face (43) with the first zigzag working face (42) is provided on.
6. a kind of bucket according to claim 2 proposes mixing plant hopper protective device, it is characterised in that: the rack (1)
Top inner wall one end is fixedly connected with the first top cushion part (44), and the top inner wall other end of rack (1) is fixed with the second top
Portion's bolster (45), the distance between slack rope seat (29) and the first top cushion part (44) and slack rope seat (29) and the second top are slow
The distance between stamping (45) is identical.
7. a kind of bucket according to claim 1 proposes mixing plant hopper protective device, it is characterised in that: the rack (1)
Bottom interior wall one end is fixedly connected with the first bottom bolster (46), and the bottom interior wall other end of rack (1) is fixed with the second bottom
Portion's bolster (47).
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| CN201910796185.4A CN110526147B (en) | 2019-08-27 | 2019-08-27 | Hopper protection device of hopper lifting mixing station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910796185.4A CN110526147B (en) | 2019-08-27 | 2019-08-27 | Hopper protection device of hopper lifting mixing station |
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| CN110526147A true CN110526147A (en) | 2019-12-03 |
| CN110526147B CN110526147B (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186805A (en) * | 2020-03-10 | 2020-05-22 | 郑州三和水工机械有限公司 | Self-locking steel wire rope breakage-proof pull hopper |
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|---|---|
| CN110526147B (en) | 2021-10-22 |
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