CN107676412A - A kind of gantry cart brake apparatus - Google Patents
A kind of gantry cart brake apparatus Download PDFInfo
- Publication number
- CN107676412A CN107676412A CN201711083656.4A CN201711083656A CN107676412A CN 107676412 A CN107676412 A CN 107676412A CN 201711083656 A CN201711083656 A CN 201711083656A CN 107676412 A CN107676412 A CN 107676412A
- Authority
- CN
- China
- Prior art keywords
- arrestment mechanism
- supporting plate
- wheel
- cylinder
- arrestment
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 199
- 210000000078 claw Anatomy 0.000 claims description 42
- 230000008450 motivation Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The present invention relates to a kind of gantry cart brake apparatus,Including vehicle frame and walking mechanism,Walking mechanism is arranged on frame downward,Walking mechanism includes wheel supporting plate,Axletree,Wheel and track,The left and right ends of vehicle frame lower surface are respectively provided with wheel supporting plate,Axletree is set between two wheel supporting plates,The left and right ends of axletree are provided with wheel,Gap be present between wheel and wheel supporting plate,The first arrestment mechanism is provided with above wheel,First arrestment mechanism includes the first drive mechanism,First drive mechanism upper end is fixed on vehicle frame,First drive mechanism lower end is fixedly installed brake anchor ear,Track is set below wheel,The second arrestment mechanism is provided with front of wheel,Second arrestment mechanism includes left second arrestment mechanism and right second arrestment mechanism,Left second arrestment mechanism is identical with right second arrestment mechanism structure,The present invention is compact-sized,Good braking effect,The braking distance of crane can effectively be shortened.
Description
Technical field
The present invention relates to a kind of brake apparatus, and in particular to a kind of gantry cart brake apparatus.
Background technology
Gantry crane is a kind of deformation of bridge crane, is called straddle truck.It is mainly used in goods yard, the stock ground of outdoor
The handling operation of goods, bulk goods.Its metal structure installs two legs as door-shaped frame under support main beam, can be directly on ground
Walked on the track in face, girder both ends there can be overhanging cantilever beam.Gantry crane has utilization of area rate height, job area
Greatly, the features such as wide, versatile is adapted to, is used widely in harbour goods yard.It can by doorframe structure form, by girder shape
Formula, by main beam structure, by purposes formal classification.Gantry crane can not be hindered by ground installation, because existing gate-type rises
Heavy-duty machine is walked by the way of movable motor drags road wheel, and existing device processed is dynamic and single to road wheel system
Dynamic, with the raising of gantry crane tonnage, braking distance is increasing, brakes also more and more difficult, extreme influence security
Energy.
The content of the invention
It is an object of the invention to provide one kind can not only shorten braking distance, and be capable of one kind of more efficient braking
Gantry cart brake apparatus.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of gantry cart brake apparatus, including vehicle frame and walking mechanism, walking mechanism are arranged on frame downward, walking
Mechanism includes wheel supporting plate, axletree, wheel and track, and the left and right ends of vehicle frame lower surface are respectively provided with wheel supporting plate, two
Axletree is set between wheel supporting plate, and the left and right ends of axletree are provided with wheel, between existing between wheel and wheel supporting plate
Gap, wheel top are provided with the first arrestment mechanism, and the first arrestment mechanism includes the first drive mechanism, and the first drive mechanism upper end is consolidated
It is scheduled on vehicle frame, the first drive mechanism lower end is fixedly installed brake anchor ear, and track is set below wheel, is provided with front of wheel
Second arrestment mechanism, the second arrestment mechanism include left second arrestment mechanism and right second arrestment mechanism, left second arrestment mechanism and
Right second arrestment mechanism structure is identical, and left second arrestment mechanism includes the second arrestment mechanism supporting plate, the support of the second arrestment mechanism
Plate includes left second arrestment mechanism supporting plate and right second arrestment mechanism supporting plate, left second arrestment mechanism supporting plate and the right side second
Arrestment mechanism supporting plate is oppositely arranged using track or so center line as symmetrical centre, and left second arrestment mechanism supporting plate upper end is fixed
On vehicle frame, the right part of left second arrestment mechanism supporting plate lower end is provided with the second drive mechanism, and the second drive mechanism right-hand member is consolidated
Surely the first holding claw is provided with, right second arrestment mechanism supporting plate upper end is fixed on vehicle frame, and the left part of lower end is provided with the 3rd drive
Motivation structure, the 3rd drive mechanism left end are provided with the second holding claw, the first holding claw and the second bag pawl using track or so center line as pair
Title center is oppositely arranged.
The 3rd arrestment mechanism is provided between left end wheel and right-hand member wheel, the 3rd arrestment mechanism includes left 3rd brake
Structure and right 3rd arrestment mechanism, the right of left end wheel set left 3rd arrestment mechanism, and the left of right-hand member wheel sets the right side the 3rd
Arrestment mechanism, left 3rd arrestment mechanism it is identical with the 3rd arrestment mechanism structure of the right side and using axletree or so center line as symmetrical centre and
It is symmetrical set, left 3rd arrestment mechanism includes the 3rd arrestment mechanism supporting plate, and the 3rd arrestment mechanism supporting plate includes a left side the
Three arrestment mechanism supporting plates and right arrestment mechanism supporting plate, left 3rd arrestment mechanism supporting plate and right arrestment mechanism supporting plate are relative
Set, be provided with brake disc between left 3rd arrestment mechanism supporting plate and right arrestment mechanism supporting plate, brake disc is set in axletree
On, brake disc left end is provided with left brake block, and left brake block left end is provided with the 4th drive mechanism, and the 4th drive mechanism left end is consolidated
Surely left 3rd arrestment mechanism supporting plate lower end is arranged on, brake disc right-hand member is provided with right brake block, and right brake block right-hand member is provided with
5th drive mechanism, the 5th drive mechanism right-hand member have been fixedly installed on right 3rd arrestment mechanism supporting plate lower end.
Brake anchor ear is shaped as circular arc, and the inner circle size for the anchor ear that brakes is identical with the cylindrical size of wheel.
The shape of first holding claw and the second holding claw is concave, the first holding claw recess to the right, the second holding claw recess to
A left side, the recess of the first holding claw and the recess of the second holding claw are oppositely arranged on track, and the recess of the first holding claw and the second holding claw is opened
Mouth size is adapted with position with track size and position.
First drive mechanism includes the first cylinder and First piston bar, and the first cylinder upper end is fixed in frame, the first gas
First piston bar is provided with cylinder, First piston bar lower end is fixedly connected with brake anchor ear.
Second drive mechanism includes the second cylinder and second piston bar, and the second cylinder left end is fixed on left second arrestment mechanism
In supporting plate, second piston bar is provided with the second cylinder, second piston bar right-hand member is fixedly connected with the first holding claw.
3rd drive mechanism includes the 3rd cylinder and the 3rd piston rod, and the 3rd cylinder right-hand member is fixed on right second arrestment mechanism
In supporting plate, the 3rd piston rod is provided with the 3rd cylinder, the 3rd piston rod left end is fixedly connected with the 3rd holding claw.
4th drive mechanism includes the 4th cylinder and the 4th piston rod, and the 4th cylinder left end is fixed on left 3rd arrestment mechanism
In supporting plate, the 4th piston rod is provided with the 4th cylinder, the 4th piston rod right-hand member is fixedly connected with left brake block.
5th drive mechanism includes the 5th cylinder and the 5th piston rod, and the 5th cylinder right-hand member is fixed on right 3rd arrestment mechanism
In supporting plate, the 5th piston rod is provided with the 5th cylinder, the 5th piston rod left end is fixedly connected with right brake block.
Relative to prior art, beneficial effects of the present invention are：The present invention is provided with the first arrestment mechanism and the second braking
Mechanism, the first arrestment mechanism can be braked effectively to wheel, and the second arrestment mechanism can hold track tightly so as to limit door
The movement of formula crane, the 3rd arrestment mechanism can limit the rotation of axletree so as to play a part of braking, and the present invention sets three
Individual arrestment mechanism, braking effect can be more effectively played, substantially reduces braking distance, improved gantry crane and use peace
Quan Xing, compact-sized, good braking effect of the invention, it can effectively shorten the braking distance of crane.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 right view；
Fig. 3 is the structural representation of the 3rd arrestment mechanism in the present invention.
In figure：1st, vehicle frame 2, right second arrestment mechanism supporting plate 3, the 3rd cylinder 4, the 3rd piston rod 5, the second holding claw
6th, track 7, the first holding claw 8, second piston bar 9, the second cylinder 10, left second arrestment mechanism supporting plate 11, axletree 12,
Wheel supporting plate 13, wheel 14, left 3rd arrestment mechanism supporting plate 15, right 3rd arrestment mechanism supporting plate 16, the 5th gas
Cylinder 17, the 5th piston rod 18, right brake block 19, left brake block 20, the 4th piston rod 21, the 4th cylinder 22, the first gas
Cylinder 23, First piston bar 24, brake anchor ear 25, brake disc.
Embodiment
Embodiment：As shown in Figure 1 to Figure 3, a kind of gantry cart brake apparatus, including vehicle frame 1 and walking mechanism,
Walking mechanism is arranged on the bottom of vehicle frame 1, and walking mechanism includes wheel supporting plate 12, axletree 11, wheel 13 and track 6, under vehicle frame 1
The left and right ends of end face are respectively provided with wheel supporting plate 12, and axletree 11, the left and right of axletree 11 are set between two wheel supporting plates 12
Both ends are provided with wheel 13, gap, left end wheel 13 and right-hand member wheel 13-1 between wheel 13 and wheel supporting plate 12 be present
Between be provided with the 3rd arrestment mechanism, the 3rd arrestment mechanism includes left 3rd arrestment mechanism and right 3rd arrestment mechanism, left end car
The right of wheel 13 sets left 3rd arrestment mechanism, and right-hand member wheel 13-1 left sets right 3rd arrestment mechanism, and a left side the 3rd is braked
Mechanism is identical with right 3rd arrestment mechanism structure and as symmetrical centre and is symmetrical set using the center line of axletree 11 or so, a left side the
Three arrestment mechanisms include the 3rd arrestment mechanism supporting plate, and the 3rd arrestment mechanism supporting plate includes left 3rd arrestment mechanism supporting plate 14
With right 3rd arrestment mechanism supporting plate 15, the arrestment mechanism supporting plate 14 of a left side the 3rd and the arrestment mechanism supporting plate 15 of the right side the 3rd are set relatively
Put, brake disc 25, brake disc 25 are provided between left 3rd arrestment mechanism supporting plate 14 and right 3rd arrestment mechanism supporting plate 15
It is set on axletree 11, the left end of brake disc 25 is provided with left brake block 19, and the left left end of brake block 19 is provided with the 4th drive mechanism,
4th drive mechanism left end is fixedly installed on the left lower end of 3rd arrestment mechanism supporting plate 14, and the 4th drive mechanism includes the 4th cylinder
21 and the 4th piston rod 20, the left end of the 4th cylinder 21 be fixed in left 3rd arrestment mechanism supporting plate 14, set in the 4th cylinder 21
The 4th piston rod 20 is equipped with, the right-hand member of the 4th piston rod 20 is fixedly connected with left brake block 19, and the 4th cylinder 21 can also replace with
Hydraulic cylinder；The right-hand member of brake disc 25 is provided with right brake block 18, and the right right-hand member of brake block 18 is provided with the 5th drive mechanism, the 5th driving
Mechanism right-hand member is fixedly installed on the right lower end of 3rd arrestment mechanism supporting plate 15, and the 5th drive mechanism includes the 5th cylinder 16 and the 5th
Piston rod 17, the right-hand member of the 5th cylinder 16 are fixed in right 3rd arrestment mechanism supporting plate 15, and the 5th is provided with the 5th cylinder 16
Piston rod 17, the left end of the 5th piston rod 17 are fixedly connected with right brake block 18, and the 5th cylinder 16 can also replace with hydraulic cylinder；Car
The top of wheel 13 is provided with the first arrestment mechanism, and the first arrestment mechanism includes the first drive mechanism, and the first drive mechanism upper end is fixed
On vehicle frame 1, the first drive mechanism lower end is fixedly installed brake anchor ear 24, and brake anchor ear 24 is shaped as circular arc, and brake is embraced
The inner circle size of hoop 24 is identical with the cylindrical size of wheel 13, and the first drive mechanism includes the first cylinder 22 and First piston bar
23, the upper end of the first cylinder 22 is fixed in frame, and First piston bar 23, the lower end of First piston bar 23 are provided with the first cylinder 22
It is fixedly connected with brake anchor ear 24, the first cylinder 22 can also replace with hydraulic cylinder；The lower section of wheel 13 sets track 6, wheel 13
Front is provided with the second arrestment mechanism, and the second arrestment mechanism includes left second arrestment mechanism and right second arrestment mechanism, a left side second
Arrestment mechanism is identical with right second arrestment mechanism structure, and left second arrestment mechanism includes the second arrestment mechanism supporting plate, the second system
Motivation structure supporting plate includes the second arrestment mechanism supporting plate of a left side 10 and right second arrestment mechanism supporting plate 2, left second arrestment mechanism
Supporting plate 10 and right second arrestment mechanism supporting plate 2 are oppositely arranged using the center line of track 6 or so as symmetrical centre, and a left side second is braked
The upper end of mechanism supports plate 10 is fixed on vehicle frame 1, and the right part of the left lower end of second arrestment mechanism supporting plate 10 is provided with the second driving
Mechanism, the second drive mechanism right-hand member are fixedly installed the first holding claw 7, and the second drive mechanism includes the second cylinder 9 and second piston
Bar 8, the left end of the second cylinder 9 are fixed in left second arrestment mechanism supporting plate 10, and second piston bar 8 is provided with the second cylinder 9,
The right-hand member of second piston bar 8 is fixedly connected with the first holding claw 7, and the second cylinder 9 can also replace with hydraulic cylinder；Right second arrestment mechanism
The upper end of supporting plate 2 is fixed on vehicle frame 1, and the left part of lower end is provided with the 3rd drive mechanism, and the 3rd drive mechanism left end is provided with
Second holding claw 5, the 3rd drive mechanism include the 3rd cylinder 3 and the 3rd piston rod 4, and the right-hand member of the 3rd cylinder 3 is fixed on the right side second and made
In motivation structure supporting plate 2, the 3rd piston rod 4 is provided with the 3rd cylinder 3, the left end of the 3rd piston rod 4 and the second holding claw 5, which are fixed, to be connected
Connect, the 3rd cylinder 3 can also replace with hydraulic cylinder；First holding claw 7 and the second bag pawl 5 using the center line of track 6 or so to be symmetrical in
The heart is oppositely arranged.The shape of first holding claw 7 and the second holding claw 5 is concave, the recess of the first holding claw 7 to the right, the second holding claw 5
To the left, the recess of the first holding claw 7 and the recess of the second holding claw 5 are oppositely arranged recess on track 6, the first holding claw 7 and second armful
The recess openings of sizes of pawl 5 is adapted with position with the size of track 6 and position.
The present invention when gantry crane needs braking, while starts the first arrestment mechanism and the 3rd braking when implementing
Mechanism, the first cylinder 22 drive First piston bar 23 to move downward, and brake anchor ear 24 locks the outer circumference surface of wheel 13, the 4th cylinder
21 the 4th piston rods 20 of drive move right, and left brake block 19 is close to brake disc 25, and the 5th cylinder 16 drives the 5th piston rod 17
To left movement, right brake block 18 is close to brake disc 25.When the first arrestment mechanism or the 3rd arrestment mechanism fail, start the second system
Motivation structure, the 3rd cylinder 3 drive the 3rd piston rod 4 to left movement, the clamping track 6 of the second holding claw 5 of the left end of the 3rd piston rod 4
Right side and upper surface, the second cylinder drive second piston bar 8 to move right, the clamping of the first holding claw 7 of the right-hand member of second piston bar 8
The left side and upper surface of track 6.
Claims (9)
- A kind of 1. gantry cart brake apparatus, it is characterised in that：Including vehicle frame and walking mechanism, walking mechanism is arranged on Frame downward, walking mechanism include wheel supporting plate, axletree, wheel and track, and the left and right ends of vehicle frame lower surface are respectively provided with car Supporting plate is taken turns, axletree is set between two wheel supporting plates, the left and right ends of axletree are provided with wheel, wheel and wheel supporting Gap between plate be present, the first arrestment mechanism is provided with above wheel, the first arrestment mechanism includes the first drive mechanism, and first drives Motivation structure upper end is fixed on vehicle frame, and the first drive mechanism lower end is fixedly installed brake anchor ear, and track, car are set below wheel Wheel front is provided with the second arrestment mechanism, and the second arrestment mechanism includes left second arrestment mechanism and right second arrestment mechanism, and left the Two arrestment mechanisms are identical with right second arrestment mechanism structure, and left second arrestment mechanism includes the second arrestment mechanism supporting plate, and second Arrestment mechanism supporting plate includes left second arrestment mechanism supporting plate and right second arrestment mechanism supporting plate, left second arrestment mechanism branch Fagging and right second arrestment mechanism supporting plate are oppositely arranged using track or so center line as symmetrical centre, left second arrestment mechanism branch Fagging upper end is fixed on vehicle frame, and the right part of left second arrestment mechanism supporting plate lower end is provided with the second drive mechanism, and second drives Motivation structure right-hand member is fixedly installed the first holding claw, and right second arrestment mechanism supporting plate upper end is fixed on vehicle frame, the left part of lower end The 3rd drive mechanism is provided with, the 3rd drive mechanism left end is provided with the second holding claw, and the first holding claw is left with track with the second bag pawl Right center line is oppositely arranged for symmetrical centre.
- A kind of 2. gantry cart brake apparatus according to claim 1, it is characterised in that：Described left end wheel The 3rd arrestment mechanism is provided between right-hand member wheel, the 3rd arrestment mechanism includes left 3rd arrestment mechanism and right 3rd brake Structure, the right of left end wheel set left 3rd arrestment mechanism, and the left of right-hand member wheel sets right 3rd arrestment mechanism, and a left side the 3rd is made Motivation structure is identical with right 3rd arrestment mechanism structure and as symmetrical centre and is symmetrical set using axletree or so center line, a left side the Three arrestment mechanisms include the 3rd arrestment mechanism supporting plate, the 3rd arrestment mechanism supporting plate include left 3rd arrestment mechanism supporting plate and Right arrestment mechanism supporting plate, left 3rd arrestment mechanism supporting plate and right arrestment mechanism supporting plate are oppositely arranged, left 3rd brake Brake disc is provided between structure supporting plate and right arrestment mechanism supporting plate, brake disc is set on axletree, and brake disc left end is set There is left brake block, left brake block left end is provided with the 4th drive mechanism, and the 4th drive mechanism left end is fixedly installed on a left side the 3rd and made Motivation structure supporting plate lower end, brake disc right-hand member are provided with right brake block, and right brake block right-hand member is provided with the 5th drive mechanism, and the 5th Drive mechanism right-hand member has been fixedly installed on right 3rd arrestment mechanism supporting plate lower end.
- A kind of 3. gantry cart brake apparatus according to claim 1, it is characterised in that：Described brake anchor ear Circular arc is shaped as, the inner circle size for the anchor ear that brakes is identical with the cylindrical size of wheel.
- A kind of 4. gantry cart brake apparatus according to claim 1, it is characterised in that：The first described holding claw Shape with the second holding claw is concave, the first holding claw recess to the right, the second holding claw recess to the left, the recess of the first holding claw Be oppositely arranged with the recess of the second holding claw on track, the recess openings of sizes of the first holding claw and the second holding claw with position and car Rail size and position are adapted.
- A kind of 5. gantry cart brake apparatus according to claim 1, it is characterised in that：The first described driving Mechanism includes the first cylinder and First piston bar, and the first cylinder upper end is fixed in frame, and the first work is provided with the first cylinder Stopper rod, First piston bar lower end are fixedly connected with brake anchor ear.
- A kind of 6. gantry cart brake apparatus according to claim 1, it is characterised in that：The second described driving Mechanism includes the second cylinder and second piston bar, and the second cylinder left end is fixed in left second arrestment mechanism supporting plate, the second gas Second piston bar is provided with cylinder, second piston bar right-hand member is fixedly connected with the first holding claw.
- A kind of 7. gantry cart brake apparatus according to claim 1, it is characterised in that：The 3rd described driving Mechanism includes the 3rd cylinder and the 3rd piston rod, and the 3rd cylinder right-hand member is fixed in right second arrestment mechanism supporting plate, the 3rd gas The 3rd piston rod is provided with cylinder, the 3rd piston rod left end is fixedly connected with the 3rd holding claw.
- A kind of 8. gantry cart brake apparatus according to claim 1, it is characterised in that：The 4th described driving Mechanism includes the 4th cylinder and the 4th piston rod, and the 4th cylinder left end is fixed in left 3rd arrestment mechanism supporting plate, the 4th gas The 4th piston rod is provided with cylinder, the 4th piston rod right-hand member is fixedly connected with left brake block.
- A kind of 9. gantry cart brake apparatus according to claim 1, it is characterised in that：The 5th described driving Mechanism includes the 5th cylinder and the 5th piston rod, and the 5th cylinder right-hand member is fixed in right 3rd arrestment mechanism supporting plate, the 5th gas The 5th piston rod is provided with cylinder, the 5th piston rod left end is fixedly connected with right brake block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083656.4A CN107676412A (en) | 2017-11-07 | 2017-11-07 | A kind of gantry cart brake apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083656.4A CN107676412A (en) | 2017-11-07 | 2017-11-07 | A kind of gantry cart brake apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676412A true CN107676412A (en) | 2018-02-09 |
Family
ID=61145721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711083656.4A Pending CN107676412A (en) | 2017-11-07 | 2017-11-07 | A kind of gantry cart brake apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676412A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11904920B2 (en) | 2021-11-19 | 2024-02-20 | Raytheon Company | Lift cart with mechanically actuated automatic braking device |
| TWI846898B (en) * | 2019-08-30 | 2024-07-01 | 日商Ｉｈｉ運搬機械股份有限公司 | A braking system for track traveling machine |
| TWI873252B (en) * | 2019-12-27 | 2025-02-21 | 日商Ｉｈｉ運搬機械股份有限公司 | A rail braking system for track traveling machine |
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|---|---|---|---|---|
| TWI846898B (en) * | 2019-08-30 | 2024-07-01 | 日商Ｉｈｉ運搬機械股份有限公司 | A braking system for track traveling machine |
| TWI873252B (en) * | 2019-12-27 | 2025-02-21 | 日商Ｉｈｉ運搬機械股份有限公司 | A rail braking system for track traveling machine |
| US11904920B2 (en) | 2021-11-19 | 2024-02-20 | Raytheon Company | Lift cart with mechanically actuated automatic braking device |
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Application publication date: 20180209 |
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