CN110877880A - Telescopic double-layer feeding car for scaling ladder - Google Patents
Telescopic double-layer feeding car for scaling ladder Download PDFInfo
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- CN110877880A CN110877880A CN201911220417.8A CN201911220417A CN110877880A CN 110877880 A CN110877880 A CN 110877880A CN 201911220417 A CN201911220417 A CN 201911220417A CN 110877880 A CN110877880 A CN 110877880A
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- ladder
- brake
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000004804 winding Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 15
- 230000033228 biological regulation Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B9/00—Tramway or funicular systems with rigid track and cable traction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F7/00—Rail vehicles equipped for use on tracks of different width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H9/00—Brakes characterised by or modified for their application to special railway systems or purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Handcart (AREA)
Abstract
The invention discloses a telescopic double-layer feeding car for an aerial ladder, which comprises a cart frame, a trolley frame and an adjusting wheel set, wherein the adjusting wheel set is integrated on the cart frame and the trolley frame; the brake component is assembled on the structural framework and can swing downwards to contact with the ladder arm to form a friction brake tooth sheet; the traction assembly is in transmission connection with a steel wire traction rope of an external feeding winch through a winding wheel, and the steel wire traction rope provides power for the feeding trolley to move upwards; the adjusting assembly is in transmission connection with the front adjusting wheel set to adjust the width of the first walking channel and is in transmission connection with the rear adjusting wheel set to adjust the width of the second walking channel; according to the double-layer feeding car, the hopper is horizontally assembled on the structural frame by the hopper mounting part, so that the hopper is about 600mm away from the base surface, and the operation personnel can load and unload the goods conveniently; in addition, the adjusting wheel set capable of adjusting the width of the walking channel according to the width of the ladder arm to ensure that the adjusting wheel can be in rolling contact with the ladder arm track at any time is designed, and the applicability of the feeding car is improved.
Description
Technical Field
The invention relates to the technical field of engineering construction material transportation, in particular to a telescopic double-layer feeding car for an aerial ladder.
Background
In engineering construction, an aerial ladder is required to be used as a channel during high-rise operation or deep well operation, and a feeding car moves on the aerial ladder to realize transportation operation at two height positions.
The feeding car in the prior art comprises a double-layer feeding car and a single-layer feeding car, wherein a hopper is assembled on a frame body of the feeding car, and when the feeding car moves to a designated position (the lowest point or the highest point of an aerial ladder), the feeding car stops running and is ensured to be horizontally arranged near an operator;
the double-layer feeding car in the prior art can only meet the feeding function, adopts the principle that a car hitting frame is sleeved with a car frame, keeps the total length of the car body which falls to the lowest point unchanged, still keeps the original longer length, occupies larger space, and has heavier car body. Meanwhile, the traction steel wire rope of the double-layer feeding car in the prior art adopts a connection form of the fixed pulley, the stress direction (180 degrees) is changed, the diameter of the fixed pulley is smaller due to the limitation of space, and basically, the steel wire rope on the fixed pulley is in a friction state of movement all the time when the car moves, so that the service life of the steel wire rope is greatly shortened. At present, steel wire rope breakage accidents frequently occur in construction, and all the accidents are caused by breakage of the fixed pulley.
In addition, the double-layer feeding car brake mechanism in the prior art adopts a rotary type, and the stability is poor.
Therefore, in view of the above technical problems, there is a need for a double-layered feeding cart applicable to aerial ladders, capable of satisfying the loading and unloading operation requirements of workers, and capable of improving safety.
Disclosure of Invention
The telescopic double-layer feeding car for the aerial ladder is novel in structure, can adapt to aerial ladders with different specifications, meets the requirement of workers on cargo loading and unloading operation, and reduces construction cost.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a telescopic double-layer feeding car for an aerial ladder, which comprises:
the hopper mounting part is reserved on the structural frame, the hopper is assembled and fixed on the hopper mounting part, and the structural frame is divided into a cart frame and a trolley frame which are mutually nested and form sliding connection;
an adjustment wheel set integrated on the structural frame;
the adjusting wheel set comprises a front adjusting wheel set assembled on the front side of the cart frame and a rear adjusting wheel set assembled on the rear side of the trolley frame;
the front adjusting wheel set is provided with a first walking channel;
the rear adjusting wheel set forms a second walking channel;
when the feeding car is assembled with the aerial ladder, the ladder arms of the aerial ladder extend along the first walking channel and the second walking channel, the front adjusting wheel set is in contact with the ladder arms arranged in the first walking channel to form rolling fit, and the rear adjusting wheel set is in contact with the ladder arms arranged in the second walking channel to form rolling fit;
this stack pallet still includes:
the brake assembly is assembled on the cart frame and is provided with a brake tooth piece which can swing downwards to contact with the ladder arm to form friction;
the traction assembly is in transmission connection with a steel wire traction rope of an external feeding winch, and the steel wire traction rope provides power for the feeding trolley to move upwards;
the adjusting assembly is in transmission connection with the front adjusting wheel set to adjust the width of the first walking channel and is in transmission connection with the rear adjusting wheel set to adjust the width of the second walking channel;
the steel wire traction rope is connected with the brake assembly;
when the steel wire traction rope is connected with the brake assembly, the steel wire traction rope drives the brake tooth piece of the brake assembly to be far away from the ladder arm;
when the steel wire traction rope is disconnected with the brake assembly, the brake tooth plate of the brake assembly is close to the ladder arm and forms friction with the ladder arm;
the feeding car is provided with a four-bar check mechanism integrated on the trolley frame;
when the trolley frame and the trolley frame are separated in a sliding mode, the trolley frame limits the sliding of the trolley frame through the four-connecting-rod check mechanism;
when the feeding car runs to the lowest end along the aerial ladder, the distance between the loading platform of the hopper and the ground is not more than 600 mm.
Furthermore, the trolley frame and the cart frame of the structural frame are formed by assembling and welding square pipes and rectangular pipes;
one end of the cart frame, which is close to the trolley frame, is fixedly connected with a hopper mounting part which horizontally extends along the width direction of the cart frame;
the side surface of the trolley frame along the length direction is inwards sunken to form a frame sliding groove, and the inner side of the trolley frame is provided with a frame sliding wheel sliding in the frame sliding groove;
the front adjusting wheel set comprises a first front adjusting wheel assembled at the upper part of the front side of the cart frame and a second front adjusting wheel assembled at the lower part of the front side of the cart frame;
the rear adjusting wheel set comprises a first rear adjusting wheel assembled at the upper part of the rear side of the trolley frame and a second rear adjusting wheel assembled at the lower part of the rear side of the frame body;
the first traveling channel is formed between the first front adjusting wheel and the second front adjusting wheel;
and a second walking channel is formed between the first rear adjusting wheel and the second rear adjusting wheel.
Further, the adjustment assembly includes an air spring member and a first mechanical spring member;
the cylinder body of the air spring part is assembled with the cart frame, and the cylinder rod of the air spring part extends to the first front adjusting wheel and is connected with the first front adjusting wheel so as to drive the first front adjusting wheel to swing;
one end of the first mechanical spring part is assembled with the trolley frame, and the other end of the first mechanical spring part extends to the second rear adjusting wheel and is connected with the second rear adjusting wheel;
the first mechanical spring member is in a stretched state;
the cylinder rod of the air spring part drives the first front adjusting wheel to swing close to the second front adjusting wheel so as to reduce the width of the first traveling channel, or drives the first front adjusting wheel to swing away from the second front adjusting wheel so as to increase the width of the first traveling channel;
the first mechanical spring member stretches the second rear adjustment wheel to drive the second rear adjustment wheel and the first rear adjustment wheel into contact with the ladder arm.
Furthermore, the first front adjusting wheel, the second front adjusting wheel, the first rear adjusting wheel and the second rear adjusting wheel are assembled through wheel brackets;
the wheel bracket is a steel plate welding bracket;
the first front adjusting wheel, the second front adjusting wheel, the first rear adjusting wheel and the second rear adjusting wheel are nylon wheels, and deep groove ball bearings are embedded in the nylon wheels.
Furthermore, a cylinder rod of the air spring part is in transmission connection with a wheel bracket of the first front adjusting wheel, and the wheel bracket matched with the first front adjusting wheel is in rotary connection with the cart frame through a step shaft;
when the cylinder rod of the air spring part extends out, the first front adjusting wheel is driven to rotate downwards around the step shaft so as to be close to the second front adjusting wheel;
when the cylinder rod of the air spring part is contracted, the first front adjusting wheel is driven to rotate upwards around the step shaft so as to be far away from the second front adjusting wheel;
the first mechanical spring part is connected with the wheel bracket of the second rear adjusting wheel, and the wheel bracket matched with the second rear adjusting wheel is rotationally connected with the trolley frame through a step shaft;
when the second rear adjusting wheel is far away from the first rear adjusting wheel around the step shaft, the wheel bracket matched with the second rear adjusting wheel stretches the first mechanical spring part.
Furthermore, the brake assembly comprises a brake shaft which is rotatably connected with the cart frame and a four-bar vertical lifting mechanism which is integrated at the end part of the brake shaft and can rotate along with the brake rotor, and the brake shaft is in transmission connection with the brake tooth sheet through the four-bar vertical lifting mechanism;
a second mechanical spring part is arranged at the lower part of the cart frame;
one end of the second mechanical spring part is connected with the cart frame, the other end of the second mechanical spring part is connected with the brake shaft, and the second mechanical spring part is in a stretching state;
a steel wire rope mounting seat is reserved at one end, close to the traction assembly, of the brake shaft, and the steel wire traction rope is tied to the steel wire rope mounting seat;
when the steel wire traction rope is disconnected, the second mechanical spring part drives the brake shaft to rotate so as to drive the brake tooth piece to contact the ladder arm;
the contact surface of the brake tooth plate and the ladder arm is formed into a sawtooth tooth surface.
Furthermore, four connecting rod vertical lift mechanism include with the rotor that the brake axle tip rotated and is connected, the rotor is kept away from brake axle one end transmission is connected with the brake tooth piece.
Further, a guide wheel assembly is mounted on the side surface of the cart frame;
the guide wheel assembly comprises a guide wheel bracket fixedly connected with the cart frame and a guide wheel rotatably connected through the guide wheel bracket;
the guide wheels are in rolling contact with the inner side surfaces of the ladder arms;
deep groove ball bearings are embedded in the upper end and the lower end of the guide wheel.
Furthermore, the four-bar non-return mechanism comprises a non-return mechanism sliding rod assembled with the trolley frame, the side surface of the non-return mechanism sliding rod is in transmission connection with a first rocker arm, and the first rocker arm is driven by the non-return mechanism sliding rod to rotate around the rocker arm;
one end of the first rocker arm, which is far away from the non-return mechanism sliding rod, is in transmission connection with a second rocker arm;
the end part of the second rocker arm is provided with a non-return mechanism contact wheel;
the second rocker arm is driven by the first rocker arm to rotate around a rocker arm wheel.
In the technical scheme, the telescopic double-layer feeding car for the aerial ladder has the following beneficial effects:
1. according to the feeding car, the hopper is horizontally assembled on the structural frame by the hopper mounting part, so that the hopper is about 600mm away from the base surface, and the operation personnel can load and unload the goods conveniently; in addition, an adjusting wheel set capable of adjusting the width of the walking channel according to the width of the ladder arm to ensure that the adjusting wheel can be in rolling contact with the ladder arm track at any time is designed, so that the applicability of the feeding car is improved;
2. the feeding car is provided with a steel wire traction rope, a brake assembly, a brake tooth piece, a sawtooth tooth piece, a saw tooth piece and a ladder arm, wherein the steel wire traction rope is connected with the brake assembly, the brake assembly is connected with the brake assembly, and the sawtooth tooth piece is connected with the surface of the ladder arm.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a first structural schematic view of a telescopic double-layer feeding car for an aerial ladder disclosed by the embodiment of the invention;
fig. 2 is a structural schematic view of a telescopic double-layer feeding car for an aerial ladder disclosed by the embodiment of the invention;
fig. 3 is a schematic structural diagram of a brake assembly of the telescopic double-layer feeding car for the aerial ladder disclosed by the embodiment of the invention;
fig. 4 is a schematic structural diagram of a guide wheel assembly of the telescopic double-layer feeding car for the aerial ladder disclosed by the embodiment of the invention;
fig. 5 is a schematic structural view of a four-bar check mechanism of the telescopic double-layer feeding car for the aerial ladder disclosed by the embodiment of the invention;
fig. 6 is a structural schematic diagram of an integrated state of a hopper of the telescopic double-layer feeding car for the aerial ladder disclosed by the embodiment of the invention.
Description of reference numerals:
1. a cart frame; 2. a trolley frame; 3. a front adjusting wheel set; 4. a rear adjusting wheel set; 5. a wheel support; 6. a step shaft; 8. a brake assembly; 9. a four-bar non-return mechanism; 10. a steel wire hauling rope; 11. a guide wheel assembly; 12. a hopper; 13. a ladder arm;
101. a frame sliding wheel; 102. a hopper mounting section;
201. a frame sliding groove;
301. a first front adjustment wheel; 302. a second front adjustment wheel; 303. a first travel path;
401. a first rear adjustment wheel; 402. a second rear adjustment wheel; 403. a second walking channel;
701. an air spring member; 702. a first mechanical spring member;
801. a brake tooth plate; 802. a four-bar vertical lifting mechanism; 803. a brake shaft; 804. a second mechanical spring member;
80201. a rotating body;
901. a non-return mechanism slide bar; 902. a first rocker arm; 903. a second rocker arm; 904. the non-return mechanism contacts the wheel;
1101. a guide wheel bracket; 1102. a guide wheel.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6;
the telescopic double-deck stack pallet for aerial ladder of this embodiment includes:
the hopper mounting part 102 is reserved on the structural frame, the hopper 12 is assembled and fixed on the hopper mounting part 102, and the structural frame is divided into a cart frame 1 and a trolley frame 2 which are mutually nested and form sliding connection;
an adjustment wheel set integrated on the structural frame;
the adjusting wheel set is divided into a front adjusting wheel set 3 assembled on the front side of the cart frame 1 and a rear adjusting wheel set 4 assembled on the rear side of the trolley frame 2;
the front adjusting wheel set 3 is formed with a first walking channel 303;
the rear adjusting wheel set 4 is formed with a second walking channel 403;
when the feeding car is assembled with the aerial ladder, the ladder arms 13 of the aerial ladder extend along the first walking channel 303 and the second walking channel 403, the front adjusting wheel set 3 is in contact with the ladder arms 13 arranged in the first walking channel 303 to form rolling fit, and the rear adjusting wheel set 4 is in contact with the ladder arms 13 arranged in the second walking channel 403 to form rolling fit;
this stack pallet still includes:
the brake assembly 8, the brake assembly 8 is assembled on the cart frame 1, and the brake assembly 8 has brake teeth 801 which can swing downwards to contact with the ladder arm 13 to form friction;
the traction assembly is in transmission connection with a steel wire traction rope 10 of an external feeding winch, and the steel wire traction rope 10 provides power for the feeding trolley to move upwards;
the adjusting assembly is in transmission connection with the front adjusting wheel set 3 to adjust the width of the first walking channel 303 and is in transmission connection with the rear adjusting wheel set 4 to adjust the width of the second walking channel 403;
the steel wire traction rope 10 is connected with the brake component 8;
when the steel wire traction rope 10 is connected with the brake assembly 8, the steel wire traction rope 10 drives the brake tooth plate 801 of the brake assembly 8 to be far away from the ladder arm 13;
when the steel wire traction rope 10 is disconnected with the brake assembly 8, the brake tooth plate 801 of the brake assembly 8 is close to the ladder arm 13 and forms friction with the ladder arm 13;
the feeding car is provided with a four-bar check mechanism 9 integrated on the trolley frame 2;
when the trolley frame 2 and the cart frame 1 are separated in a sliding mode, the cart frame 2 limits the cart frame 1 to slide through the four-connecting-rod check mechanism 9;
when the feeding car runs to the lowest end along the aerial ladder, the distance between the loading platform of the hopper 12 and the ground is not more than 600 mm.
Specifically, this embodiment discloses a carriage feeder that assembles with the aerial ladder and can move on the aerial ladder, and this carriage feeder main power source comes from the steel wire haulage rope 10 of the pay-off winch that is taken by hydraulic motor drive of aerial ladder, relies on the steel wire haulage rope 10 pulling carriage feeder of pay-off winch to go upward and makes the carriage feeder slide along the ladder arm 13 of aerial ladder, otherwise, the steel wire haulage rope 10 reversal carriage feeder relies on self gravity to slide down along the ladder arm 13 of aerial ladder to this realizes the pay-off. The design point as the stack pallet of this application: the cart frame 1 and the dolly frame 2 of stack pallet are integrated two sets of regulation wheelsets respectively, foretell preceding regulation wheelset 3 and back regulation wheelset 4 respectively, and it has adjusting part still to integrate simultaneously, utilizes adjusting part can adjust the width of the walking passageway that the regulation wheelset formed according to the change of operation in-process ladder arm 13 thickness, ensures that ladder arm 13 can pass through the walking passageway smoothly to guarantee that the wheel of adjusting the wheelset keeps constantly to roll the cooperation with the surface of ladder arm 13. In addition, for the outside pay-off winch of adaptation, the subassembly that draws has been designed, the subassembly that draws is steel wire haulage rope 10 structure, and the end of drawing of steel wire haulage rope 10 is connected with brake assembly 8 and is tensile form, the tensile assurance through steel wire haulage rope 10 is in normal operating, the brake tooth piece 801 of brake assembly 8 can keep away from ladder arm 13, and in case steel wire haulage rope 10 breaks off (accident situation), brake assembly 8 that has lost steel wire haulage rope 10 tensile force can rotate under the drive of mechanical spring part, rotate and finally produce frictional force with ladder arm 13 surface contact with driving about brake tooth piece 801 towards ladder arm 13, just so realize fast speed reduction and brake, reduce the potential safety hazard, and the safety is improved. Finally, by utilizing the hopper integrated with the cart frame 1, when the feeding car runs to the lowest end along the aerial ladder, the distance between the cargo platform of the hopper 12 and the base surface (ground) is within a range not more than 600mm, so that the loading and unloading of the cargos by the operators are met and facilitated.
Preferably, the trolley frame 2 and the trolley frame 1 of the structural frame in the embodiment are formed by assembling and welding square pipes and rectangular pipes;
one end of the cart frame 1 close to the trolley frame 2 is fixedly connected with a hopper mounting part 102 which horizontally extends along the width direction of the cart frame 1;
a frame sliding groove 201 is formed on the side surface of the trolley frame 2 along the length direction in an inward concave manner, and a frame sliding wheel 101 sliding in the frame sliding groove 201 is installed on the inner side of the trolley frame 1;
the front adjusting wheel group 3 comprises a first front adjusting wheel 301 assembled at the upper part of the front side of the cart frame 1 and a second front adjusting wheel 302 assembled at the lower part of the front side of the cart frame 1;
the rear adjusting wheel set 4 comprises a first rear adjusting wheel 401 assembled at the upper part of the rear side of the trolley frame 2 and a second rear adjusting wheel 402 assembled at the lower part of the rear side of the trolley frame 2;
a first travel channel 303 is formed between the first front regulating wheel 301 and the second front regulating wheel 302;
a second travel path 403 is formed between the first rear adjustment wheel 401 and the second rear adjustment wheel 402.
The structural framework of this embodiment chooses high-quality structural steel pipe assembly welding for use to form, specifically for square pipe and rectangular pipe assembly welding form, through theoretical analysis, many times antidetonation and bear the weight of the experiment, structural stability and rigidity all satisfy the mechanical strength requirement.
Preferably, the adjustment assembly in this embodiment comprises a gas spring member 701 and a first mechanical spring member 702;
the cylinder body of the air spring part 701 is assembled with the cart frame 1, and the cylinder rod of the air spring part 701 extends to the first front adjusting wheel 301 and is connected with the first front adjusting wheel 301 to drive the first front adjusting wheel 301 to swing;
one end of the first mechanical spring part 702 is assembled with the trolley frame 2, and the other end of the first mechanical spring part 702 extends to the second rear adjusting wheel 402 and is connected with the second rear adjusting wheel 402;
the first mechanical spring member 702 is in tension;
the cylinder rod of the gas spring member 701 drives the first front adjustment wheel 301 to swing close to the second front adjustment wheel 302 to reduce the width of the first travel path 303 or drives the first front adjustment wheel 301 to swing away from the second front adjustment wheel 302 to increase the width of the first travel path 303;
the first mechanical spring member 702 stretches the second rear adjustment wheel 402 to urge the second rear adjustment wheel 402 and the first rear adjustment wheel 401 into contact with the ladder arm 13.
Wherein, the first front adjusting wheel 301, the second front adjusting wheel 302, the first rear adjusting wheel 401 and the second rear adjusting wheel 402 are all assembled by the wheel bracket 5;
the wheel bracket 5 is a steel plate welding bracket;
the first front adjusting wheel 301, the second front adjusting wheel 302, the first rear adjusting wheel 401 and the second rear adjusting wheel 402 are nylon wheels, and deep groove ball bearings are embedded in the nylon wheels
The cylinder rod of the pneumatic spring part 701 is in transmission connection with the wheel bracket 5 of the first front adjusting wheel 301, and the wheel bracket 5 matched with the first front adjusting wheel 301 is in rotary connection with the cart frame 1 through a step shaft 6;
when the cylinder rod of the air spring part 701 extends, the first front adjusting wheel 301 is driven to rotate downwards around the step shaft 6 to be close to the second front adjusting wheel 302;
when the cylinder rod of the air spring part 701 contracts, the first front adjusting wheel 301 is driven to rotate upwards around the step shaft 6 so as to be far away from the second front adjusting wheel 302;
the first mechanical spring part 702 is connected with the wheel bracket 5 of the second rear adjusting wheel 402, and the wheel bracket 5 matched with the second rear adjusting wheel 402 is rotationally connected with the trolley frame 2 through a step shaft 6;
when the second rear adjustment wheel 402 is away from the first rear adjustment wheel 401 about the step axis 6, the wheel bracket 5 that mates with the second rear adjustment wheel 402 stretches the first mechanical spring member 702.
The structure of the adjusting wheel set, the connection relation between the adjusting assembly and the adjusting wheel set and the working principle are specifically limited in the embodiment; the first front adjusting wheel 301, the second front adjusting wheel 302, the first rear adjusting wheel 401 and the second rear adjusting wheel 402 are adjusted by two types of adjusting components, namely, an air spring 701 and a first mechanical spring 702; specifically, the first travel path 303 is formed between the first front adjustment wheel 301 and the second front adjustment wheel 302, and the second travel path 403 is formed between the first rear adjustment wheel 401 and the second rear adjustment wheel 402. When the feeding car advances, the ladder arm 13 of aerial ladder extends in first walking passageway 303 and second walking passageway 403, and along with the operation of feeding car, the thickness of ladder arm 13 may have to change, and can adjust the width of walking passageway at any time according to the thickness of ladder arm 13 under the drive of adjusting part to can let the adjusting wheel group constantly with ladder arm 13 rolling contact. The specific regulation principle is as follows: the width of the first walking channel 303 is changed by adjusting the relative distance between the first front adjusting wheel 301 and the second front adjusting wheel 302 on the front side of the feeding vehicle, the wheel support 5 of the first front adjusting wheel 301 is driven to rotate by utilizing the telescopic cylinder rod of the air spring part 701, the first front adjusting wheel 301 is driven to swing, when the cylinder rod of the air spring part 701 extends out, the first front adjusting wheel 301 is driven to swing downwards to reduce the width of the first walking channel 303, so that the position with smaller thickness of the ladder arm 13 is adapted, and when the cylinder rod of the air spring part 701 contracts, the first front adjusting wheel 301 is driven to swing upwards to increase the width of the first walking channel 303, so that the position with larger thickness of the ladder arm 13 is adapted.
In addition, the first mechanical spring member 702 is connected to the second rear adjustment wheel 402, and is stretched by a spring force to drive the second rear adjustment wheel 402 to abut against the surface of the ladder arm 13, so that the first rear adjustment wheel 401 can be ensured to abut against the surface of the ladder arm 13 under the pushing action of the second rear adjustment wheel 402. Once the thickness of the ladder arm 13 disposed in the second traveling passage 403 increases, the second rear adjustment wheel 402 swings downward and simultaneously stretches the first mechanical spring member 702, and as the thickness of the ladder arm 13 decreases, the second rear adjustment wheel 402 is driven to swing upward by the spring force of the first mechanical spring member 702, so as to ensure that the first rear adjustment wheel 401 and the second rear adjustment wheel 402 are in rolling contact with the surface of the ladder arm 13 at all times.
The gas spring part 701 is a conventional power part and mainly comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, an oil-gas mixture, a joint and other functional parts, wherein the oil-gas mixture is filled in the closed pressure cylinder, so that the pressure in a cavity is several times or dozens of times higher than the atmospheric pressure, and the motion of the piston rod is realized by utilizing the pressure difference generated by the fact that the cross section area of the piston rod is smaller than that of the piston.
Preferably, the brake assembly 8 in this embodiment includes a brake shaft 803 rotatably connected to the cart frame 1, and a four-bar vertical lift mechanism 802 integrated at an end of the brake shaft 803 and capable of rotating along with the brake shaft 803, wherein the brake shaft 803 is drivingly connected to the brake blade 801 through the four-bar vertical lift mechanism 802;
the lower part of the cart frame 1 is provided with a second mechanical spring part 804;
one end of the second mechanical spring part 804 is connected with the cart frame 1, the other end of the second mechanical spring part 804 is connected with the brake shaft 803, and the second mechanical spring part 804 is in a stretching state;
a steel wire rope mounting seat is reserved at one end, close to the traction assembly, of the brake shaft 803, and a steel wire traction rope 10 is tied to the steel wire rope mounting seat;
when the steel wire traction rope 10 is disconnected, the second mechanical spring element 804 drives the brake shaft 803 to rotate so as to drive the brake tooth piece 801 to contact the ladder arm 13;
the contact surface of the brake pad 801 with the step arm 13 is formed as a serrated tooth surface.
The design of the brake assembly 8 is the key for ensuring the stable and safe operation of the feeding car, because the feeding car in the embodiment mainly relies on the steel wire traction rope 10 of the external feeding winch to provide power, considering the problem that the steel wire traction rope 10 may be disconnected at any time due to accidents or aging, in order to ensure that the brake assembly 8 can start working immediately once the steel wire traction rope 10 is disconnected, the steel wire traction rope 10 is connected with the brake assembly 8, and plays a stretching role on the brake shaft 803 of the brake assembly 8 to drive the brake tooth piece 801 to be away from the ladder arm 13 to ensure that the adjusting wheel set can roll smoothly, when the steel wire traction rope 10 is disconnected, the pulling force of the steel wire traction rope 10 is lost, because the second mechanical spring part 804 is in a stretching state, the brake shaft 803 is driven to rotate under the action of the spring force, and the brake tooth piece 801 is driven to rotate towards the ladder arm 13 to contact the surface, because the contact surface of brake tooth piece 801 and terraced arm 13 is the cockscomb structure flank of tooth, can improve the frictional force with terraced arm 13, realize the operation of slowing down fast and stopping the pay-off car, improve the security, avoid the pay-off car to fall.
More specifically: the four-bar linkage vertical lifting mechanism 802 includes a rotating body 80201 rotatably connected to an end of the braking shaft 803, and a braking blade 801 is drivingly connected to an end of the rotating body 80201 away from the braking shaft 803. Along with the rotation of the brake shaft 803, the brake shaft 803 drives the rotor 80201 to rotate through the connecting rod at the end part, the other end of the rotor 80201 and the driving brake tooth piece 801 reciprocate up and down along with the rotor 80201, and the vertical reciprocating motion in the embodiment is realized by converting the rotating motion into linear motion by using the oblong hole.
Preferably, the feeding car disclosed in this embodiment is provided with a controller and a corresponding operation unit for realizing automatic control, and the frame is provided with an induction plate for collecting an operation position signal of the feeding car, and the induction plate communicates with an external controller to transmit the collected operation position signal. During the operation, when the stack pallet moved the assigned position of scaling ladder and stopped, the operation personnel loaded goods on to the hopper, filled the back according to the stack pallet hydraulic switch on the pneumatic operating panel of direction indication, the stack pallet began to go upward along the scaling ladder, when going to the top of scaling ladder, touched spacing proximity switch, the stack pallet stopped. At the moment, the hopper turning plate is overlapped with the movable connecting platform to start unloading, the unloading is finished, the hydraulic switch of the feeding car on the pneumatic operation panel in the indicating direction is operated, the feeding car starts to move downwards, when the feeding car runs to the bottom of the scaling ladder, the limiting proximity switch of the bottom is touched, and the feeding car stops running, so that the circulation of feeding is finished.
In order to improve the stability of the feeding car in operation, the side surface of the cart frame 1 is provided with a guide wheel assembly 11;
the guide wheel assembly 11 comprises a guide wheel bracket 1101 fixedly connected with the cart frame 1 and a guide wheel 1102 rotationally connected through the guide wheel bracket 1101;
the guide wheels 1102 are in rolling contact with the inner side surfaces of the ladder arms 13;
deep groove ball bearings are embedded in the upper end and the lower end of the guide wheel 1102.
Preferably, the four-bar non-return mechanism 9 in this embodiment includes a non-return mechanism sliding rod 901 assembled with the trolley frame 2, the side surface of the non-return mechanism sliding rod 901 is connected with a first rocker arm 902 in a transmission manner, and the first rocker arm 902 is driven by the non-return mechanism sliding rod 901 to rotate around the rocker arm shaft;
one end of the first rocker arm 902, which is far away from the non-return mechanism sliding rod 901, is in transmission connection with a second rocker arm 903;
a non-return mechanism contact wheel 904 is arranged at the end part of the second rocker arm 903;
the second rocker arm 903 is driven to rotate about the rocker shaft by the first rocker arm 901.
When the regulating wheel rolled with ladder arm 13, leading wheel 1102 contacted ladder arm 13's side played certain direction and supporting role to the operation of stack pallet in structural frame's inboard, ensured that the stack pallet operation is more stable, played certain additional act, improved the holistic security of stack pallet and stability.
In the technical scheme, the single-layer feeding car for the aerial ladder has the following beneficial effects:
according to the feeding car, the hopper 12 is horizontally assembled on the cart frame 1 by the hopper installation part 102, so that the distance between a cargo platform of the hopper 12 and a base surface is not more than 600mm, and operators can load and unload cargos conveniently; in addition, an adjusting wheel set capable of adjusting the width of the walking channel according to the width of the ladder arm 13 to ensure that the adjusting wheel can be in rolling contact with the ladder arm 13 rail at any time is designed, so that the applicability of the feeding car is improved;
the feeding car of the invention takes an external winch as a power source, the feeding car is provided with ascending traction force by the steel wire traction rope 10, the feeding car is provided with descending power by gravity, meanwhile, the steel wire traction rope 10 of the external winch is connected with the brake component 8 of the device, once the steel wire traction rope 10 is broken, the brake component 8 drives the brake tooth piece 801 to contact with the surface of the ladder arm 13 to form friction deceleration, and the brake tooth piece 801 of the invention utilizes the sawtooth tooth piece to improve the friction force with the surface of the ladder arm 13, thereby realizing rapid deceleration and improving the safety.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. Scaling ladder is with telescopic double-deck stack pallet, its characterized in that includes:
the hopper mounting part (102) is reserved on the structural frame, the hopper (12) is assembled and fixed on the hopper mounting part (102), and the structural frame is divided into a cart frame (1) and a trolley frame (2) which are mutually nested and form sliding connection;
an adjustment wheel set integrated on the structural frame;
the adjusting wheel set comprises a front adjusting wheel set (3) assembled on the front side of the cart frame (1) and a rear adjusting wheel set (4) assembled on the rear side of the cart frame (2);
the front adjusting wheel set (3) is provided with a first walking channel (303);
the rear adjusting wheel set (4) is provided with a second walking channel (403);
when the feeding car is assembled with an aerial ladder, the ladder arms (13) of the aerial ladder extend along the first walking channel (303) and the second walking channel (403), the front adjusting wheel set (3) is in contact with the ladder arms (13) arranged in the first walking channel (303) to form rolling fit, and the rear adjusting wheel set (4) is in contact with the ladder arms (13) arranged in the second walking channel (403) to form rolling fit;
this stack pallet still includes:
the brake assembly (8), the brake assembly (8) is assembled on the cart frame (1), and the brake assembly (8) is provided with a brake tooth piece (801) capable of swinging downwards to contact with the ladder arm (13) to form friction;
the traction assembly is in transmission connection with a steel wire traction rope (10) of an external feeding winch, and the steel wire traction rope (10) provides power for the feeding car to move upwards;
an adjusting assembly in transmission connection with the front adjusting wheel set (3) to adjust the width of the first walking channel (303) and in transmission connection with the rear adjusting wheel set (4) to adjust the width of the second walking channel (403);
the steel wire traction rope (10) is connected with the brake component (8);
when the steel wire traction rope (10) is connected with the brake assembly (8), the steel wire traction rope (10) drives a brake tooth piece (801) of the brake assembly (8) to be far away from the ladder arm (13);
when the steel wire traction rope (10) is disconnected with the brake assembly (8), a brake tooth piece (801) of the brake assembly (8) is close to the ladder arm (13) and forms friction with the ladder arm (13);
the feeding car is provided with a four-bar check mechanism (9) integrated on the trolley frame (2);
when the trolley frame (2) and the cart frame (1) are separated in a sliding mode, the cart frame (1) limits the sliding of the cart frame (1) through the four-connecting-rod check mechanism (9);
when the feeding car runs to the lowest end along the aerial ladder, the distance between the loading platform of the hopper (12) and the ground is not more than 600 mm.
2. The telescopic double-layer feeding car for the aerial ladder according to claim 1, wherein the trolley frame (2) and the trolley frame (1) of the structural frame are formed by assembling and welding square pipes and rectangular pipes;
one end of the cart frame (1), which is close to the trolley frame (2), is fixedly connected with a hopper mounting part (102) which horizontally extends along the width direction of the cart frame (1);
a frame sliding groove (201) is formed in the side surface of the trolley frame (2) along the length direction in an inwards recessed mode, and a frame sliding wheel (101) sliding in the frame sliding groove (201) is installed on the inner side of the trolley frame (1);
the front adjusting wheel set (3) comprises a first front adjusting wheel (301) assembled at the upper part of the front side of the cart frame (1) and a second front adjusting wheel (302) assembled at the lower part of the front side of the cart frame (1);
the rear adjusting wheel set (4) comprises a first rear adjusting wheel (401) assembled at the upper part of the rear side of the trolley frame (2) and a second rear adjusting wheel (402) assembled at the lower part of the rear side of the trolley frame (2);
the first traveling channel (303) is formed between the first front adjusting wheel (301) and the second front adjusting wheel (302);
the second walking channel (403) is formed between the first rear adjusting wheel (401) and the second rear adjusting wheel (402).
3. The telescopic double-deck feed carriage for aerial ladders according to claim 2, characterized in that the adjustment assembly comprises a gas spring part (701) and a first mechanical spring part (702);
the cylinder body of the air spring part (701) is assembled with the cart frame (1), and the cylinder rod of the air spring part (701) extends to the first front adjusting wheel (301) and is connected with the first front adjusting wheel (301) to drive the first front adjusting wheel (301) to swing;
one end of the first mechanical spring part (702) is assembled with the trolley frame (2), and the other end of the first mechanical spring part (702) extends to the second rear adjusting wheel (402) and is connected with the second rear adjusting wheel (402);
the first mechanical spring member (702) is in tension;
the cylinder rod of the pneumatic spring part (701) drives the first front adjusting wheel (301) to swing close to the second front adjusting wheel (302) to reduce the width of the first traveling channel (303) or drives the first front adjusting wheel (301) to swing away from the second front adjusting wheel (302) to increase the width of the first traveling channel (303);
the first mechanical spring member (702) stretches the second rear adjustment wheel (402) to urge the second rear adjustment wheel (402) and the first rear adjustment wheel (401) into contact with the ladder arm (13).
4. The telescopic double-deck feeding carriage for aerial ladders according to claim 3, characterized in that the first front adjusting wheel (301), the second front adjusting wheel (302), the first rear adjusting wheel (401) and the second rear adjusting wheel (402) are all assembled by a wheel bracket (5);
the wheel bracket (5) is a steel plate welding bracket;
the first front adjusting wheel (301), the second front adjusting wheel (302), the first rear adjusting wheel (401) and the second rear adjusting wheel (402) are nylon wheels, and deep groove ball bearings are embedded in the nylon wheels.
5. The telescopic double-layer feeding trolley for the aerial ladder as claimed in claim 4, wherein a cylinder rod of the gas spring part (701) is in transmission connection with a wheel bracket (5) of the first front adjusting wheel (301), and the wheel bracket (5) matched with the first front adjusting wheel (301) is in rotary connection with the trolley frame (1) through a step shaft (6);
when the cylinder rod of the air spring part (701) extends out, the first front adjusting wheel (301) is driven to rotate downwards around the step shaft (6) to be close to the second front adjusting wheel (302);
when the cylinder rod of the air spring part (701) contracts, the first front adjusting wheel (301) is driven to rotate upwards around the step shaft (6) so as to be far away from the second front adjusting wheel (302);
the first mechanical spring part (702) is connected with a wheel bracket (6) of the second rear adjusting wheel (402), and a wheel bracket (5) matched with the second rear adjusting wheel (402) is rotatably connected with the trolley frame (2) through a step shaft (6);
when the second rear adjusting wheel (402) is far away from the first rear adjusting wheel (401) around the step shaft (6), the wheel bracket (5) matched with the second rear adjusting wheel (402) stretches the first mechanical spring part (702).
6. The telescopic double-layer feeding car for the aerial ladder as claimed in claim 2, wherein the brake assembly (8) comprises a brake shaft (803) rotatably connected with the cart frame (1), and a four-bar vertical lifting mechanism (802) integrated at the end of the brake shaft (803) and capable of rotating along with the brake shaft (803), and the brake shaft (803) is in transmission connection with the brake tooth piece (801) through the four-bar vertical lifting mechanism (802);
a second mechanical spring piece (804) is mounted at the lower part of the cart frame (1);
one end of the second mechanical spring part (804) is connected with the cart frame (1), the other end of the second mechanical spring part is connected with the brake shaft (803), and the second mechanical spring part (804) is in a stretching state;
a steel wire rope mounting seat is reserved at one end, close to the traction assembly, of the brake shaft (803), and the steel wire traction rope (10) is tied to the steel wire rope mounting seat;
when the steel wire traction rope (10) is disconnected, the second mechanical spring part (804) drives the brake shaft (803) to rotate so as to drive the brake tooth piece (801) to contact the ladder arm (13);
the contact surface of the brake tooth sheet (801) and the ladder arm (13) is formed into a sawtooth tooth surface.
7. The telescopic double-layer feeding cart for the aerial ladder according to claim 6, wherein the four-bar vertical lifting mechanism (802) comprises a rotating body (80201) rotatably connected with the end part of the braking shaft (803), and one end, far away from the braking shaft (803), of the rotating body (80201) is in transmission connection with the braking tooth piece (801).
8. The telescopic double-layer feeding car for the aerial ladder according to claim 2, wherein a guide wheel assembly (11) is installed on the side surface of the cart frame (1);
the guide wheel assembly (11) comprises a guide wheel bracket (1101) fixedly connected with the cart frame (1) and a guide wheel (1102) rotatably connected through the guide wheel bracket (1101);
the guide wheel (1102) is in rolling contact with the inner side surface of the ladder arm (13);
deep groove ball bearings are embedded in the upper end and the lower end of the guide wheel (1102).
9. The telescopic double-layer feeding car for the aerial ladder as claimed in claim 2, wherein the four-bar check mechanism (9) comprises a check mechanism sliding rod (901) assembled with the trolley frame (2), a first rocker arm (902) is connected to the side surface of the check mechanism sliding rod (901) in a transmission manner, and the first rocker arm (902) is driven by the check mechanism sliding rod (901) to rotate around a rocker arm shaft;
one end, far away from the non-return mechanism sliding rod (901), of the first rocker arm (902) is in transmission connection with a second rocker arm (903);
a non-return mechanism contact wheel (904) is mounted at the end part of the second rocker arm (903);
the second rocker arm (903) is driven to rotate around a rocker shaft through the first rocker arm (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220417.8A CN110877880A (en) | 2019-12-03 | 2019-12-03 | Telescopic double-layer feeding car for scaling ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220417.8A CN110877880A (en) | 2019-12-03 | 2019-12-03 | Telescopic double-layer feeding car for scaling ladder |
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| Publication Number | Publication Date |
|---|---|
| CN110877880A true CN110877880A (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220417.8A Pending CN110877880A (en) | 2019-12-03 | 2019-12-03 | Telescopic double-layer feeding car for scaling ladder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661669A (en) * | 2020-06-10 | 2020-09-15 | 济南霸力升降机械有限公司 | Accessible lift platform |
| CN114148861A (en) * | 2021-11-25 | 2022-03-08 | 青岛捷通特种车辆制造有限公司 | Second-level carrying assembly for aerial ladder vehicle |
| CN115092199A (en) * | 2022-08-24 | 2022-09-23 | 成都工业职业技术学院 | Rail transport equipment and braking system suitable for high-speed railway |
| CN115447941A (en) * | 2022-10-17 | 2022-12-09 | 雅化集团绵阳实业有限公司 | Full-process automatic production device for industrial detonating fuse |
| CN115447940A (en) * | 2022-10-17 | 2022-12-09 | 雅化集团绵阳实业有限公司 | Detonating cord finished product warehouse entry system |
-
2019
- 2019-12-03 CN CN201911220417.8A patent/CN110877880A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661669A (en) * | 2020-06-10 | 2020-09-15 | 济南霸力升降机械有限公司 | Accessible lift platform |
| CN114148861A (en) * | 2021-11-25 | 2022-03-08 | 青岛捷通特种车辆制造有限公司 | Second-level carrying assembly for aerial ladder vehicle |
| CN114148861B (en) * | 2021-11-25 | 2023-04-18 | 青岛捷通特种车辆制造有限公司 | Second-level carrying assembly for aerial ladder vehicle |
| CN115092199A (en) * | 2022-08-24 | 2022-09-23 | 成都工业职业技术学院 | Rail transport equipment and braking system suitable for high-speed railway |
| CN115447941A (en) * | 2022-10-17 | 2022-12-09 | 雅化集团绵阳实业有限公司 | Full-process automatic production device for industrial detonating fuse |
| CN115447940A (en) * | 2022-10-17 | 2022-12-09 | 雅化集团绵阳实业有限公司 | Detonating cord finished product warehouse entry system |
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