CN105151696B - Transport cart straddling belt conveyor - Google Patents

Transport cart straddling belt conveyor Download PDF

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Publication number
CN105151696B
CN105151696B CN201510618947.3A CN201510618947A CN105151696B CN 105151696 B CN105151696 B CN 105151696B CN 201510618947 A CN201510618947 A CN 201510618947A CN 105151696 B CN105151696 B CN 105151696B
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China
Prior art keywords
screw mandrel
wheel
lifter
bar
belt conveyor
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CN201510618947.3A
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CN105151696A (en
Inventor
周福宝
李建龙
李世航
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

The invention discloses a transport cart straddling a belt conveyor. The transport car comprises a transport platform (1), frames (2), wheels (3), feeler lever mechanisms (4), power transmission mechanisms (5), lifting mechanisms (6) and rotating mechanisms (7). The transport platform straddles the belt conveyor. When the transport cart meets a barrier in the advancing process, the power transmission mechanisms are triggered through the feeler lever mechanisms and transmit power of the wheels to the lifting mechanisms so that the wheels can be lifted through the lifting mechanisms, and the wheels bypass the barrier through the rotating mechanisms; and the above mechanisms return to the original positions through reset springs after the wheels bypass the barrier, and the wheels return back to a running track. By means of the transport cart straddling the belt conveyor, under the condition that mounting and operation of an existing belt conveyor are not intervened, the transport cart can straddle the belt conveyor directly, the transport cart bypasses a carrier roller support and other barriers of the belt conveyor through active lifting of the wheels of the transport cart, rotating bypassing and return bearing, and a transport line is additionally arranged above the belt conveyor.

Description

A kind of transport vehicle ridden on belt conveyor
Technical field
The present invention relates to a kind of transport vehicle, and in particular to a kind of transport vehicle ridden on belt conveyor, belong to mine lane Road equipment technology field of transport.
Background technology
In the tunneling process of the narrow space such as mine laneway and ground tunnel, the means of transportation for being adopted is broadly divided into skin Band transport and rail transport.
The detritus that front driving is produced mainly is discharged by belt conveyor, and the turnover of equipment, material is then mainly by track Transport, rail transport are arranged in the side of belt-conveying;However, have some to be arranged in the auxiliary equipment at development end rear needing not Offset moves the propulsion to follow development end, for example:Local fan, cleaner unit etc..At present, these auxiliary equipment principal set ups are in-orbit In the transport vehicle of road transport, but this means of transportation hinders equipment, material etc. and is directly transported to development end by track and meets head on, Therefore need further by a dead lift, this equipment conveying mode not only wasting manpower and material resources, while affect down-hole mechanical The process of change.
If transport vehicle is directly arranged above belt conveyor, the auxiliary equipment being arranged in transport vehicle is not only contributed to The propulsion of development end is followed in time, and can reduce the distance that rail transport end to development end is met head on.However, due to existing Belt conveyor generally by groove profile carrier roller be arranged on horizontal frames above, the wheel of Conventional transport car will be subject to Belt Conveying The stop of machine roller rack and be unable to normal movement.
The content of the invention
For solving the above problems, the present invention provides a kind of transport vehicle ridden on belt conveyor, is not intervening existing skin Under conditions of band conveyer installation and operation, the transport to auxiliary equipment is realized, auxiliary equipment can follow the propulsion of development end And move, manpower and materials are reduced, mining production Mechanization Level is improved.
To achieve these goals, a kind of transport vehicle ridden on belt conveyor, including shipping platform, vehicle frame and car Wheel, shipping platform are arranged on above vehicle frame, and wheel is arranged on below vehicle frame, and each transport vehicle includes four groups of vehicle frames, every group of vehicle frame Two wheels are installed in lower section, and shipping platform is across in the top of belt conveyer;The transport vehicle by tractor draw and along The horizontal frames of belt conveyer advance;
Feeler lever mechanism, Poewr transmission mechanism, elevating mechanism and rotating mechanism also including eight groups, feeler lever mechanism include obstacle Touching bar, up touching bar, descending touching bar, touching chamber, screw mandrel lifter I, screw mandrel I, friction slip, fix bar, motion bar And return spring I;Poewr transmission mechanism includes travelling gear I, travelling gear II and chain wheel;Elevating mechanism include screw mandrel II, Screw mandrel lifter II, lifter wheel;Rotating mechanism includes load-bearing rotation device and return spring II;
Screw mandrel lifter II is arranged on below vehicle frame, and lifter wheel is driven by screw mandrel lifter II and lifted installed in screw mandrel Screw mandrel II in device II is moved up and down;It is optical axis below screw mandrel II, load-bearing rotation device is sleeved on screw mandrel II bottoms, return spring II One end be fixed on screw mandrel II, the other end connection load-bearing rotation device, return spring II is vertical with screw mandrel II;The wheel shaft of wheel On power gear is installed, the end of wheel shaft is sleeved on the side of load-bearing rotation device;
Chain is set with per four groups of side power gear, and chain is supported by chain wheel and power gear;Fix bar is L-type, and Its upper end is fixed on screw mandrel lifter II, and its lower end is connected with the outer wall of screw mandrel lifter I;Obstacle touching bar is L-type, thereon It is worm structure that the part in screw mandrel lifter I is stretched at end, and the touching end of its lower end is stretched out in the front of wheel;Obstacle touches bar The female worm gear intermeshing of band in upper end and screw mandrel lifter I, screw mandrel I one end with screw mandrel lifter I in The screw thread that worm gear cooperates, the other end of screw mandrel I are optical axis and are set with friction slip;Return spring I one end and screw mandrel liter Drop device I is connected, and the other end is connected with obstacle touching bar, and return spring I is parallel with screw mandrel I;The motion bar is fixed on friction and slides On block, motion bar upper end has up touching bar and descending touching bar, and the two is respectively positioned at the upper end of screw mandrel II peaks with End;Travelling gear I, travelling gear II are installed on the headtree stretched out below motion bar, the two is respectively positioned at lifter wheel Both sides and both transmission directions are conversely, be movable between lifter wheel and chain under the drive of motion bar, and and chain Travelling gear on bar and lifter wheel intermeshing.
As existing belt conveyor is generally arranged on groove profile carrier roller above horizontal frames, therefore the fortune in the present invention Defeated car can be detoured by the active of transport vehicle wheel lifting-rotation in moving process-return load-bearing by way of bypass belt The roller rack of conveyer, so as to realize transport vehicle, smoothly traction moves ahead.
When in feeler lever mechanism, obstacle touching bar touches roller rack, as the effect obstacle touching bar of pull strength surrounds silk Hinge on bar lifter I is rotated, and so as to drive the worm gear wheel in screw mandrel lifter I, at the same time screw mandrel I stretches out and drives Travelling gear I is moved between chain and lifter wheel and is intermeshed with said structure, and the power gear on wheel shaft passes through chain Power is transferred to lifter wheel by bar, lifter wheel rotate and with screw mandrel lifter II in worm-and-wheel gear intermeshing from And driving screw mandrel II to be lifted, screw mandrel II bottoms are connected with the wheel shaft of wheel, therefore screw mandrel II band motor car wheels leave running rail;Together When roller rack has been bypassed due to obstacle touching bar, and after wheel touches roller rack, surround screw mandrel in the presence of pull strength II rotations are detoured, so that whole group wheel realizes that lifting is detoured, each two obstacle touches the distance between bar and each two support The distance between roller support difference;After constantly up screw mandrel II touches up touching bar, work of the up touching bar in thrust With lower band dynamic friction slide block movement so as to be moved away from the gap between lifter wheel and chain with nutating gear I, power transmission is disconnected Open so as to prevent screw mandrel II further up.
After bypassing roller rack, under the elastic restoring force effect of return spring II, wheel returns back to row around screw mandrel II Sail the surface of track;Simultaneously, under the elastic restoring force effect of return spring I, obstacle is touched bar and is returned around pin joint Home position is gone to, while driving the worm gear rotation in screw mandrel lifter I, screw mandrel I retracts and band nutating gear II is moved to It is intermeshed between chain and lifter wheel and with said structure, power is transferred to lifter wheel by chain by power gear, Lifter wheel is rotated and is intermeshed so as to drive screw mandrel II to decline with the worm-and-wheel gear in screw mandrel lifter II, screw mandrel II Bottom is connected with the wheel shaft of wheel, therefore screw mandrel II band motor car wheels are dropped down onto on running rail;Descending screw mandrel II touches descending After touching bar, descending touching bar drives friction slip movement to be moved away from lifting tooth so as to band nutating gear II in the presence of thrust Gap between wheel and chain, power transmission are disconnected so as to prevent screw mandrel II further descending.
Further, travelling gear II is symmetrical arranged for two and intermeshing small cylinder gear.
Further, the end of up touching bar and descending touching bar has the rod end for tilting upward, screw mandrel II tops Both sides have projection up and down.Inclined rod end is conducive to force resolution.
Further, obstacle touching bar is the 1/10~1/5 of radius of wheel apart from the height of belt conveyor horizontal frames, Length of the length of obstacle touching bar not less than wheel.
Wheel not only can detour roller rack, for other barriers of similar roller rack can also detour, for Highly then directly press through less than the barrier of radius of wheel 1/10~1/5.
Further, screw mandrel II adopts trapezoidal thread structure, lead angle to be less than 5 °.Screw mandrel lifter II can be made with self-locking Elevating mechanism will not drop under gravity after departing from power and drop.
The present invention can directly straddle belt conveyor under conditions of existing belt conveyor installation and operation is not intervened Top, detoured by the active lifting-rotation of transport vehicle wheel in moving process-return load-bearing by way of bypass belt conveyor Roller rack, realization set up supply line above belt conveyor.
Description of the drawings
Fig. 1 is front view of the present invention;
Top views of the Fig. 2 for Fig. 1;
Left views of the Fig. 3 for Fig. 1;
Fig. 4 is the close-up schematic view at A in Fig. 3;
Enlarged diagrams of the Fig. 5 for feeler lever mechanism 4.
In figure:1st, shipping platform, 2, vehicle frame, 3, wheel, 3-1, power gear, 3-2, wheel shaft, 4, feeler lever mechanism, 4-1, barrier Hinder touching bar, 4-2, up touching bar, 4-3, descending touching bar, 4-4, touching chamber, 4-5, screw mandrel lifter I, 4-6, screw mandrel I, 4-7, friction slip, 4-8, motion bar, 4-9, fix bar, 4-10, return spring I, 5, Poewr transmission mechanism, 5-1, chain, 5- 2nd, travelling gear I, 5-3, travelling gear II, 5-4, chain wheel, 6, elevating mechanism, 6-1, screw mandrel II, 6-2, screw mandrel lifter II, 6- 3rd, lifter wheel, 7, rotating mechanism, 7-1, load-bearing rotation device, 7-2, return spring II, 8, horizontal frames, 9, intermediate support, 10, Stand leg, 11, snub pulley, 12, conveyer belt, 13, groove profile carrier roller, 14, roller rack.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
The present invention be arranged on belt conveyor upper end, the structure of belt conveyor as shown in Figure 1 to Figure 3, Belt Conveying 12 top half of conveyer belt of machine is laid on groove profile carrier roller 13, and the latter half of conveyer belt 12 is laid on snub pulley 11, groove Type carrying roller 13 is arranged on intermediate support 9 and roller rack 14, and snub pulley 11 is arranged on stand leg 10.The level of belt conveyor Frame 8 is the running rail of transport vehicle.
As shown in Figures 1 to 5, the transport vehicle on belt conveyor is ridden, including shipping platform 1, vehicle frame 2 and wheel 3, fortune Defeated platform 1 is arranged on above vehicle frame 2, and wheel 3 is arranged on below vehicle frame 2, and each transport vehicle includes four groups of vehicle frames 2, every group of vehicle frame 2 Two wheels 3 are installed in lower section, and shipping platform 1 is across in the top of belt conveyer;The transport vehicle by external force traction and along The horizontal frames 8 of belt conveyer advance;
Feeler lever mechanism 4, Poewr transmission mechanism 5, elevating mechanism 6 and rotating mechanism 7 also including eight groups, feeler lever mechanism include Obstacle touching bar 4-1, up touching bar 4-2, descending touching bar 4-3, touching chamber 4-4, screw mandrel lifter I4-5, screw mandrel I4-6, Friction slip 4-7, fix bar 4-8, motion bar 4-9 and return spring I4-10;Poewr transmission mechanism 5 includes travelling gear I5- 2nd, travelling gear II5-3 and chain wheel 5-4;Elevating mechanism includes screw mandrel II6-1, screw mandrel lifter II6-2, lifter wheel 6-3;Rotation Rotation mechanism 7 includes load-bearing rotation device 7-1 and return spring II7-2;
Screw mandrel lifter II6-2 is arranged on below vehicle frame 2, and lifter wheel 6-3 is driven by screw mandrel lifter II6-2 and installed Screw mandrel II6-1 in screw mandrel lifter II6-2 is moved up and down;It is optical axis below screw mandrel II6-1, load-bearing rotation device 7-1 suits In screw mandrel II6-1 bottoms, one end of return spring II7-2 is fixed on screw mandrel II6-1, other end connection load-bearing rotation device 7-1, Return spring II7-2 is vertical with screw mandrel II6-1;Power gear 3-1, the end sleeve of wheel shaft 3-2 are installed on the wheel shaft 3-2 of wheel It is mounted in the side of load-bearing rotation device 7-1;
Chain 5-1 is set with per four groups of side power gear 3-1, and chain 5-1 is supported by chain wheel 5-4 and power gear 3-1; Fix bar 4-8 is L-type, and its upper end is fixed on the side wall of screw mandrel lifter II6-2, and its lower end is with screw mandrel lifter I4-5's Outer wall is connected;Obstacle touching bar 4-1 is L-type, and it is worm structure that the part of screw mandrel lifter I4-5 is stretched in its upper end, its lower end Stretch out in the front of wheel at touching end;Obstacle touches bar 4-1 upper ends and the female worm gear of band in screw mandrel lifter I4-5 Intermeshing, screw mandrel I4-6 one end with the screw thread cooperated with the worm gear of screw mandrel lifter I, the other end of screw mandrel I4-6 is Optical axis and it is set with friction slip 4-7;Return spring I4-10 one end is connected with screw mandrel lifter I4-5, and the other end is touched with obstacle Touching lever 4-1 is connected, and return spring I4-10 is parallel with screw mandrel I4-6;The motion bar 4-9 is fixed on friction slip 4-7, activity Bar 4-9 upper ends have up touching bar 4-2 and descending touching bar 4-3, and the two is respectively positioned at the upper end of screw mandrel II peaks with End;Travelling gear I5-2, travelling gear II5-3 are installed on the headtree stretched out below motion bar 4-9, the two is located at respectively and rises Both sides of drop gear 6-3 and both transmission direction is conversely, be movable to lifter wheel 6-3 under the drive of motion bar 4-9 Between chain 5-1, and with chain 5-1 on travelling gear and lifter wheel 6-3 intermeshing.
As existing belt conveyor is generally arranged on groove profile carrier roller above horizontal frames, therefore the fortune in the present invention Defeated car can be detoured by the active of transport vehicle wheel lifting-rotation in moving process-return load-bearing by way of bypass belt The roller rack of conveyer, so as to realize transport vehicle, smoothly traction moves ahead.
As shown in Figure 4 and Figure 5, travelling gear II5-3 is two symmetrically arranged and intermeshing small cylinder gears.
The end of up touching bar 4-2 and descending touching bar 4-3 has the rod end that tilts upward, screw mandrel II tops it is upper and lower Both sides have projection.Inclined rod end is conducive to force resolution.
Further, obstacle touching bar 4-1 is the 1/10 of 3 radius of wheel apart from the height of belt conveyor horizontal frames 8 Length of the length of~1/5, obstacle touching bar 4-1 not less than wheel 3.
Wheel not only can detour roller rack, for other barriers of similar roller rack can also detour, for Highly then directly press through less than the barrier of 3 radius 1/10~1/5 of wheel.
Further, screw mandrel II6-1 adopts trapezoidal thread structure, lead angle to be less than 5 °.Screw mandrel lifter II6-2 can be with Self-locking will not be dropped under gravity after making the disengaging power of elevating mechanism 6 and be dropped.
The specific works engineering of the present invention is as follows with operation principle:
As shown in Figures 1 to 5, in the presence of pull strength, transport vehicle passes through the water of the rolling in belt conveyor of wheel 3 Advance in flat frame 8, be enclosed within 3 power gear 3-1 of wheel and drive chain 5-1 to rotate.Obstacle in feeler lever mechanism 4 in front of wheel When touching bar 4-1 touches roller rack 14, as the effect obstacle touching bar 4-1 of pull strength surrounds the screw mandrel liter of horizontal setting Hinge on drop device I4-5 is rotated and compression retracteding position spring I4-10, so as to drive the worm gear wheel in screw mandrel lifter I, screw mandrel I4-6 move right in the diagram and band nutating gear I5-2 be moved between chain 5-1 and lifter wheel 6-3 and with above-mentioned knot Structure is intermeshed, and power is transferred to lifter wheel 6-3, lifter wheel by chain 5-1 by power gear 3-1 on wheel shaft 3-2 6-3 is rotated and is intermeshed with the worm-and-wheel gear in screw mandrel lifter II6-2, so as to drive screw mandrel II6-1 to be lifted, screw mandrel II6-1 bottoms are connected with the wheel shaft 3-2 of wheel, therefore screw mandrel II6-1 band motor car wheels 3 leave running rail;Simultaneously because obstacle Touching bar 4-1 has bypassed roller rack 14, and surrounds screw mandrel after wheel 3 touches roller rack 14 in the presence of pull strength II6-1 rotations are detoured and compression retracteding position spring II7-2, so that whole group wheel realizes lifting-detour;Continuous up screw mandrel After II6-1 touches up touching bar 4-2, up touching bar 4-2 drive in the presence of thrust friction slip be moved to the left from And the gap between lifter wheel and chain is moved away from nutating gear I5-2, power transmission is disconnected so as to prevent screw mandrel II6-1 It is further up.
After bypassing roller rack 14, under the elastic restoring force effect of return spring II7-2, wheel 3 surrounds screw mandrel II6-1 Return back to the surface of running rail;Simultaneously, under the elastic restoring force effect of return spring I4-10, obstacle touching bar 4-1 returns back to home position around pin joint, and drives worm gear rotation in screw mandrel lifter I4-5, screw mandrel I to be moved to the left and band Nutating gear II5-3 is moved between chain 5-1 and lifter wheel 6-3 and is intermeshed with said structure, due to driving cog Wheel II5-3 is made up of the small cylinder gear of two symmetrical engagements, and power gear 3-1 drives lifter wheel 6-3 by chain 5-1 Opposite direction is rotated, and lifter wheel is intermeshed so as to drive screw mandrel II6-1 with the worm-and-wheel gear in screw mandrel lifter II6-2 Decline, rotating mechanism 7 and wheel 3 are driven to push and wheel 3 is dropped down onto on running rail;Descending screw mandrel II6-1 is touched down After row touching bar 4-3, descending touching bar drives friction slip to move right so as to band nutating gear in the presence of thrust II5-3 is moved away from the gap between lifter wheel and chain, and power transmission is disconnected so as to prevent screw mandrel II further descending.Screw mandrel liter Drop device II6-2 enters self-locking state, and wheel 3 then reenters weight bearing situations, until next roller rack 14 is run into, in repetition State action.The transport vehicle that the present invention is announced, its wheel not only can be detoured roller rack, for other of similar roller rack hinder Hinder thing detour, for barrier of the height less than 3 radius 1/10~1/5 of wheel is then directly pressed through.

Claims (5)

1. a kind of transport vehicle ridden on belt conveyor, including shipping platform (1), vehicle frame (2) and wheel (3), shipping platform (1) it is arranged on above vehicle frame (2), wheel (3) is arranged on below vehicle frame (2), it is characterised in that each transport vehicle includes four groups of cars Frame (2), installs two wheels (3) below every group of vehicle frame (2), shipping platform (1) is across in the top of belt conveyer;The fortune Defeated car is drawn by tractor and the horizontal frames (8) along belt conveyer advance;
Feeler lever mechanism (4), Poewr transmission mechanism (5), elevating mechanism (6) and rotating mechanism (7) also including eight groups, feeler lever mechanism (4) obstacle touching bar (4-1), up touching bar (4-2), descending touching bar (4-3), touching chamber (4-4), screw mandrel lifter are included I (4-5), screw mandrel I (4-6), friction slip (4-7), fix bar (4-8), motion bar (4-9) and return spring I (4-10);It is dynamic Force transfer mechanism (5) includes travelling gear I (5-2), travelling gear II (5-3) and chain wheel (5-4);Elevating mechanism includes screw mandrel II (6-1), screw mandrel lifter II (6-2), lifter wheel (6-3);Rotating mechanism (7) includes load-bearing rotation device (7-1) and return bullet Spring II (7-2);
Screw mandrel lifter II (6-2) is arranged on below vehicle frame (2), and lifter wheel (6-3) is driven by screw mandrel lifter II (6-2) Screw mandrel II (6-1) in screw mandrel lifter II (6-2) is moved up and down;It is optical axis below screw mandrel II (6-1), load-bearing rotation Device (7-1) is sleeved on screw mandrel II (6-1) bottom, and one end of return spring II (7-2) is fixed on screw mandrel II (6-1), the other end Connection load-bearing rotation device (7-1), return spring II (7-2) are vertical with screw mandrel II (6-1);It is provided with the wheel shaft (3-2) of wheel Power gear (3-1), the end of wheel shaft (3-2) are sleeved on the side of load-bearing rotation device (7-1);
A chain (5-1) is set with per four groups of side power gear (3-1), chain (5-1) is by chain wheel (5-4) and power gear (3-1) support;Fix bar (4-8) is L-type, and its upper end is fixed on screw mandrel lifter II (6-2), and its lower end is lifted with screw mandrel The outer wall of device I (4-5) is connected;Obstacle touching bar (4-1) is L-type, and the part that its upper end is stretched in screw mandrel lifter I (4-5) is Worm structure, the touching end of its lower end are stretched out in the front of wheel;Obstacle touches bar (4-1) upper end and screw mandrel lifter I (4-5) In the intermeshing of band female worm gear, screw mandrel I (4-6) one end is with cooperating with the worm gear in screw mandrel lifter I Screw thread, the other end of screw mandrel I (4-6) is optical axis and is set with friction slip (4-7);Return spring I (4-10) one end and silk Bar lifter I (4-5) is connected, and the other end is connected with obstacle touching bar (4-1), and return spring I (4-10) and screw mandrel I (4-6) puts down OK;Motion bar (4-9) is fixed on friction slip (4-7), motion bar (4-9) upper end have it is up touching bar (4-2) and Descending touching bar (4-3), the two is respectively positioned at the top and bottom of screw mandrel II peaks;That what is stretched out below motion bar (4-9) divides Travelling gear I (5-2), travelling gear II (5-3) are installed on fork arm, the two respectively positioned at lifter wheel (6-3) both sides and Both transmission direction conversely, be movable under the drive of motion bar (4-9) lifter wheel (6-3) and chain (5-1) it Between, and with chain (5-1) on travelling gear and lifter wheel (6-3) intermeshing.
2. the transport vehicle on belt conveyor is ridden as claimed in claim 1, it is characterised in that travelling gear II (5-3) is Two are symmetrical arranged and intermeshing small cylinder gear.
3. ride the transport vehicle on belt conveyor as claimed in claim 2, it is characterised in that up touching bar (4-2) and The both sides up and down that the end of descending touching bar (4-3) has the rod end for tilting upward, screw mandrel II tops have projection.
4. ride the transport vehicle on belt conveyor as claimed in claim 3, it is characterised in that obstacle touching bar (4-1) away from Height from belt conveyor horizontal frames (8) is the 1/10~1/5 of wheel (3) radius, and the length of obstacle touching bar (4-1) is not Less than the length of wheel (3).
5. the transport vehicle ridden on belt conveyor as described in Claims 1-4 any claim, it is characterised in that silk Bar II (6-1) adopts trapezoidal thread structure, lead angle to be less than 5 °.
CN201510618947.3A 2015-09-24 2015-09-24 Transport cart straddling belt conveyor Active CN105151696B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN105151696B true CN105151696B (en) 2017-03-22

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Publication number Priority date Publication date Assignee Title
CN106494819A (en) * 2016-12-27 2017-03-15 贵州盘江精煤股份有限公司 The belt transportation system of coal is transported under a kind of upper haul and equipment

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FR2175266A5 (en) * 1972-03-07 1973-10-19 Peugeot & Renault
CN2700295Y (en) * 2004-02-20 2005-05-18 姜家明 Obstacle surmounting conveying arrangement
CN202090919U (en) * 2010-12-17 2011-12-28 神华集团有限责任公司 Transferring conveyor traveling device
DE102012010089A1 (en) * 2012-05-23 2013-11-28 abec gmbh Conveying device for feeding rail-guided transport carriages, has push rod having several successively arranged portions in feed direction, in which each portion is provided with driver portion acting on transport carriage
CN104831623B (en) * 2015-04-15 2016-08-17 华北水利水电大学 A kind of across pier suspension bracket self-propelling device

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