CN106744338A - Straddle truck collision prevention device - Google Patents
Straddle truck collision prevention device Download PDFInfo
- Publication number
- CN106744338A CN106744338A CN201611160665.4A CN201611160665A CN106744338A CN 106744338 A CN106744338 A CN 106744338A CN 201611160665 A CN201611160665 A CN 201611160665A CN 106744338 A CN106744338 A CN 106744338A
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- China
- Prior art keywords
- housing
- contact stud
- prevention device
- collision prevention
- straddle truck
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002265 prevention Effects 0.000 title claims abstract description 30
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- B66C15/04—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
- B66C15/045—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track electrical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The present invention relates to a kind of straddle truck collision prevention device, be directed to that the existing similar anticollision design of solution is not good enough, mechanical braking effect is undesirable, the technical problem that stability is not good enough and design.The housing of the collision prevention device is in cuboid, and the bottom of housing is provided with road wheel, and power supply terminal and travel switch are provided with housing, and travel switch controls the motion of road wheel；Its main points is that touch panel first touches the object of collision when straddle truck touches other crane gears or wall, spring contraction in the presence of spring pressuring plate, plays a part of buffering impact force and moves contact stud；The end of contact stud touches power supply terminal, power supply terminal, contact stud, connection sheet and electromagnet form circuit, two electromagnet of the same name close to each other are powered, the active force that repels each other is greatly enhanced, the elastic force of spring and the magnetic field force collective effect repelled each other, there is provided buffer to offset the inertia force of straddle truck；Touching frame touches travel switch, controls straddle truck stop motion.
Description
Technical field
It is a kind of straddle truck collision prevention device the present invention relates to straddle truck technical field.
Background technology
Straddle truck refers generally to gantry crane, or is bridge crane, and the crane is a kind of orbiting
Crane.The crane is longitudinally running on the track that both sides are laid, and the crane span structure of crane laterally runs in orbit, constitutes one
The working range of rectangle, so as to using the space handling material below crane span structure, not hindered by ground installation.The spy of the crane
Point can be that the weight for making to hang on suspension hook or other load-engaging devices realizes vertical lift or Horizontal Movement, its main portion in space
Part includes：Lifting mechanism, large and small car travelling mechanism.In view of These characteristics, the crane be widely used in indoor and outdoor warehouse,
Factory building, harbour and outdoor yard etc., to ensure speed of production, often dispose many cranes same in a running track
When work, in order to prevent crane from walking to risk distance, generally will on crane or track termination sets anticollision device,
Make crane out of service when necessary, it is to avoid mutual between two machines or between crane and running track end stop device
Collision.In the prior art in order to solve the collision thing between the collision accident between crane or crane and track termination
Therefore, majority takes the method for installing collision avoidance system；Patent No. ZL200820154525.0 as disclosed in Chinese patent literature,
Authorized announcement date on November 11st, 2009, utility model title " anti-collision control system for hoisting trolley of gantry "；The anticollision
Control system includes crane dolly anti-collision control device, and wherein system also includes that lifting workpiece position detecting module and lifting are moved
Control module, lifting workpiece position detecting module is connected by crane dolly anti-collision control device with lifting motion-control module
Connect.These collision avoidance systems are generally all the software forms that are combined with mechanical structure of control, and can only alleviate touch between crane
Impulsive force when hitting, it is impossible to fundamentally solve collision problem.
The content of the invention
To overcome above-mentioned deficiency, the purpose of the present invention is to provide a kind of straddle truck collision prevention device to this area, solves it
Certainly existing like product anticollision design is not good enough, and mechanical braking effect is undesirable, the technical problem that stability is not good enough.The purpose is to
It is achieved through the following technical solutions.
A kind of straddle truck collision prevention device, the collision prevention device is at least symmetricly set on gallows frame bottom side track
Road wheel, i.e. in a siding track on two symmetrically arranged collision prevention devices touch end be respectively facing outside；The anticollision is filled
Put including housing, touching frame, spring, contact stud and travel switch, contact stud is symmetrical arranged, and housing is stretched out in one end of contact stud
One end, in the other end insertion housing of contact stud, is provided with power supply terminal and travel switch, the other end bottom of housing in housing
Portion is provided with road wheel, and travel switch controls the motion of road wheel；So as to when another straddle truck is collided on same track, by touching
The stopping road wheel work of travel switch in straddle truck is triggered at end after contacting with each other, touching end is the contact stud for stretching out housing；Its knot
Structure designing points are three sections before, during and after the contact stud is divided into, housing be divided into before, during and after three chambers, set between each chamber
The back segment for having dividing plate, contact stud insertion housing rear chamber one end is connected as a single entity with T-shaped touching frame, that is, touch one end two of frame
Side end is connected with the back segment of contact stud, and contact stud is connected as a single entity with touching frame, and junction is located at the middle chamber of housing, touches frame
Other end insertion housing rear chamber in, the touching frame end is relative with the travel switch in housing；Positioned at housing front chamber
Contact stud external diameter is provided with spring, and one end of spring offsets with the space bar of the middle chamber of housing, front chamber, the other end of spring with
Spring pressuring plate on contact stud is offseted, and spring pressuring plate is connected as a single entity by binding round buckle structure with contact stud.So as to when straddle truck touching
During to other straddle truck equipment or wall, contact stud first touches the object of collision, by being cased with spring on contact stud, connects
Strike the post when touching object the spring contraction in the presence of spring pressuring plate, play buffering impact force and make the work that contact stud moves
With；The touching frame being arranged on contact stud simultaneously touches travel switch, controls straddle truck stop motion, prevents from further touching
Hit.
The collision prevention device also includes touch panel, and the described contact stud one end for stretching out housing is connected with touch panel respectively, contact stud
The end be connected as a single entity with touch panel.So as to stress while further stabilizing two contact studs by touch panel.
The housing is in cuboid, and the front chamber end angle of housing is provided with symmetrically arranged connecting pole, i.e. housing forward end two-by-two
Baffle plate the front chamber of housing is connected and composed by symmetrically arranged connecting pole two-by-two and housing.
The middle chamber of the housing is connected as a single entity with housing by the fixed cover of square shape and constituted, the fixed cover side in housing
Connection sheet is provided with, power supply terminal is arranged at the side of connection sheet in housing, and power supply terminal sets with contact stud opposite side
There is trigger point, the stroke distances phase between the stroke distances between contact stud, power supply terminal and touching frame, travel switch
Together, contact stud is abutted with the through hole of insertion connection sheet, and the connection column end for stretching out baffle plate is provided with electromagnet, fixed in housing
The connection sheet of set is connected by circuit with the electromagnet of baffle plate, and connection sheet and contact stud are made of conductive material.So as to contact
The side wall of post is connected to connection sheet, and while touching bridge joint contacts travel switch, the end of contact stud touches power supply wiring
Terminal, power supply terminal, contact stud, connection sheet and electromagnet form circuit, and two electromagnet of the same name close to each other are powered,
The active force that repels each other is greatly enhanced, the elastic force of spring and the magnetic field force collective effect repelled each other, there is provided buffering is offsetting straddle truck
Inertia force.
Connection sheet is omitted in the housing, fixed cover is made of conductive material, baffle plate and touch panel use insulating materials system
Into contact stud is abutted with the through hole of insertion fixed cover, and fixed cover is connected by circuit with the electromagnet of baffle plate.Said structure
After omitting connection sheet, identical technique effect is also can reach.
The middle chamber of the housing and front chamber are port for the both sides of open frame structure, i.e. fixed cover, fixed cover,
The frame structure that the front chamber that connecting pole, baffle plate are constituted is constituted for dividing plate and support bar.Said structure is easy to housing outer spring, is connect
Strike the post, the observation of contact bar working condition, consequently facilitating the maintenance and maintenance of the anticollision device, collision-prevention device.
Telescopic mast is provided between the touch panel and the baffle plate of housing, expansion link one end of telescopic mast is inserted in the one of fix bar
The other end of end, expansion link and fix bar is connected with baffle plate and touch panel respectively.Said structure is easy to further stablize baffle plate and is connect
The flexible stroke struck the post.
The original state length of the spring is identical with the length of connecting pole, the telescopic shape change distance of spring and contact stud,
The stroke for touching frame is identical.Said structure is easy to reduce the space hold and volume of the anticollision device, collision-prevention device.
The contact stud is made of iron material, and the end of contact stud insertion housing is provided with gradient chamfering.Said structure is just
Inserted in housing in contact stud, and further improve the wire and magnetic conduction effect of contact stud.
Road wheel on the gallows frame two bottom sides track is symmetrical arranged the collision prevention device two-by-two.So as to stabilize it
Property and security are more preferable.
Reasonable in design of the present invention, low production cost, small volume, safety and stability is high, and maintenance, repair are convenient,
Promotion prospect is good；Its collision prevention device for being suitable as the similar crane such as straddle truck is used, ex hoc genus anne the structure of product change
Enter.
Brief description of the drawings
Fig. 1 is original state structural representation of the invention.
Fig. 2 is the interior section structural representation of Fig. 1, and power supply terminal and connection sheet are omitted in figure.
Fig. 3 is the on-position cross section structure diagram of Fig. 2.
Fig. 4 is use state structural representation of the invention.
Figure number and title：1st, housing, 101, fixed cover, 102, baffle plate, 2, road wheel, 3, touching frame, 4, spring, 5, bullet
Spring compressing tablet, 6, contact stud, 7, touch panel, 8, telescopic mast, 9, connecting pole, 10, travel switch, 11, track, 12, gallows frame.
Specific embodiment
In conjunction with accompanying drawing, structure of the present invention is further described.As shown in Figure 1 to 4, the collision prevention device is right two-by-two
Title is arranged at the road wheel 2 on the bottom side track 11 of gallows frame 12, i.e. two symmetrically arranged anticollisions in a siding track
End is touched on device and is respectively facing outside；The collision prevention device includes housing 1, touching frame 3, spring 4, contact stud 6, the and of touch panel 7
Travel switch 10, housing is in cuboid, and contact stud is symmetrical arranged, and one end of housing is stretched out in one end of contact stud, and respectively with touch
Plate is connected, and the end and the touch panel of contact stud are connected as a single entity, and in the other end insertion housing of contact stud, power supply wiring is provided with housing
Terminal and travel switch, the other end bottom of housing are provided with road wheel, and travel switch controls the motion of road wheel.Its concrete structure is such as
Under：Contact stud be divided into before, during and after three sections, housing be divided into before, during and after three chambers, dividing plate, contact stud are provided between each chamber
The back segment of insertion housing rear chamber one end is connected as a single entity with T-shaped touching frame, that is, touch one end both side ends of frame and contact
The back segment connection of post, contact stud is connected as a single entity with touching frame, and junction is located at the middle chamber of housing, touches the other end insertion of frame
In the rear chamber of housing, the touching frame end is relative with the travel switch in housing；Contact stud external diameter positioned at housing front chamber sets
There is spring, one end of spring offsets with the space bar of the middle chamber of housing, front chamber, the bullet on the other end and contact stud of spring
Spring compressing tablet 5 is offseted, and spring pressuring plate is connected as a single entity by binding round buckle structure with contact stud.
Meanwhile, the baffle plate 102 that the front chamber end angle of housing is provided with symmetrically arranged connecting pole 9, i.e. housing forward end two-by-two leads to
Cross the front chamber that symmetrically arranged connecting pole two-by-two connects and composes housing with housing；The middle chamber of housing and front chamber are open type
The both sides of fixed cover 101 of frame structure, i.e. housing are port, and the front chamber that fixed cover, connecting pole, baffle plate are constituted is dividing plate and branch
The frame structure that strut is constituted.Telescopic mast 8 is provided between touch panel and the baffle plate of housing, fixation is inserted in expansion link one end of telescopic mast
The other end of one end of bar, expansion link and fix bar is connected with baffle plate and touch panel respectively.The middle chamber of housing is consolidated by square shape
Fixed set and housing are connected as a single entity composition, and the fixed cover side in housing is provided with connection sheet, and power supply terminal is arranged in housing
The side of connection sheet, power supply terminal is provided with trigger point with contact stud opposite side, the row between contact stud, power supply terminal
Stroke distances between journey distance and touching frame, travel switch are identical, and contact stud is abutted with the through hole of insertion connection sheet, is stretched
The connection column end for going out baffle plate is provided with electromagnet, and the connection sheet of fixed cover is connected by circuit with the electromagnet of baffle plate in housing,
Connection sheet and contact stud are made of conductive material, and the end of contact stud insertion housing is provided with gradient chamfering.
The operation principle of the collision prevention device is as follows：When straddle truck touches other crane gears or wall, touch panel
The object of collision is first touched, by being cased with spring on the contact stud on touch panel, in spring pressuring plate when touch panel touches object
In the presence of spring contraction, play a part of buffering impact force and make contact stud move；The side wall of contact stud is connected to connection
Piece, the end of contact stud touches power supply terminal, and power supply terminal, contact stud, connection sheet and electromagnet form circuit,
Two electromagnet of the same name close to each other are powered, and the active force that repels each other is greatly enhanced, and the elastic force of spring is common with the magnetic field force for repelling each other
Same-action, there is provided buffer to offset the inertia force of straddle truck；The touching frame being arranged on contact stud simultaneously touches travel switch,
Control straddle truck stop motion, prevents further collision.The invention is using electromechanical, Electromagnetic Control mode, simple structure, maintenance
Convenient, older pure mechanic structure collision avoidance system is safe and reliable, compared with electric laser collision avoidance system, have again low cost,
Easily advantage is safeguarded, reasonable in design, stable, unfailing performance is good, high degree of automation, is worthy to be popularized.
In sum, embodiment described in the invention be only a part of embodiment of the invention and preferred embodiment and
, rather than whole embodiments of the invention, it is not intended to limit the invention.For a person skilled in the art, it is based on
Embodiment and technology contents in the present invention, can still modify to the technical scheme described in foregoing embodiments, or
Person carries out equivalent, i.e. those skilled in the art institute under the premise of creative work is not made to which part technical characteristic
The every other embodiment for obtaining and technological improvement, it is all any modifications within the spirit and principles in the present invention, made, equivalent
Replace, improve etc., should be included within the scope of the present invention, belong to the scope of protection of the invention.
Claims (10)
1. a kind of straddle truck collision prevention device, the collision prevention device is at least symmetricly set in gallows frame（12）Bottom side track
（11）On road wheel（2）, i.e. touch end on two symmetrically arranged collision prevention devices in a siding track and be respectively facing outside；Should
Collision prevention device includes housing（1）, touching frame（3）, spring（4）, contact stud（6）And travel switch（10）, contact column symmetry and set
Put, one end of housing is stretched out in one end of contact stud, in the other end insertion housing of contact stud, power supply terminal is provided with housing
And travel switch, the other end bottom of housing is provided with road wheel, the motion of travel switch control road wheel；It is characterized in that the contact
Post（6）Three sections, housing before, during and after being divided into（1）Three chambers before, during and after being divided into, are provided with dividing plate between each chamber, contact stud is inserted
Enter the back segment and T-shaped touching frame of housing rear chamber one end（3）It is connected as a single entity, that is, touches one end both side ends of frame and contact
The back segment connection of post, contact stud is connected as a single entity with touching frame, and junction is located at the middle chamber of housing, touches the other end insertion of frame
In the rear chamber of housing, the travel switch in touching frame end and housing（10）Relatively；Outside the contact stud of housing front chamber
Footpath is provided with spring（4）, one end of spring offsets with the space bar of the middle chamber of housing, front chamber, the other end of spring with contact
Spring pressuring plate on post（5）Offset, spring pressuring plate is connected as a single entity by binding round buckle structure with contact stud.
2. straddle truck collision prevention device according to claim 1, it is characterised in that the collision prevention device also includes touch panel
（7）, stretch out housing（1）The contact stud（6）One end is connected with touch panel respectively, and the end and the touch panel of contact stud are connected as a single entity.
3. straddle truck collision prevention device according to claim 2, it is characterised in that the housing（1）In cuboid, housing
Front chamber end angle be provided with symmetrically arranged connecting pole two-by-two（9）, i.e. the baffle plate of housing forward end（102）By being symmetrical arranged two-by-two
Connecting pole and housing connect and compose the front chamber of housing.
4. straddle truck collision prevention device according to claim 3, it is characterised in that the housing（1）Middle chamber by mouth word
The fixed cover of shape（101）It is connected as a single entity composition with housing, the fixed cover side in housing is provided with connection sheet, and power supply terminal sets
It is placed in the side of connection sheet in housing, power supply terminal and contact stud（6）Opposite side is provided with trigger point, and contact stud, power supply connect
Stroke distances and touching frame between line terminals（3）, travel switch（10）Between stroke distances it is identical, contact stud with insertion connect
The through hole of contact pin is abutted, and stretches out baffle plate（102）Connecting pole（9）End is provided with electromagnet, housing（1）The company of interior fixed cover
Contact pin is connected by circuit with the electromagnet of baffle plate, and connection sheet and contact stud are made of conductive material.
5. straddle truck collision prevention device according to claim 4, it is characterised in that the housing（1）Interior omission connection sheet,
Fixed cover（101）It is made of conductive material, baffle plate（102）And touch panel（7）Adopt and be made from an insulative material, contact stud（6）With insert
The through hole for entering fixed cover is abutted, and fixed cover is connected by circuit with the electromagnet of baffle plate.
6. straddle truck collision prevention device according to claim 4, it is characterised in that the housing（1）Middle chamber and ante-chamber
Room is open frame structure, i.e. fixed cover（101）Both sides be port, fixed cover, connecting pole（9）, baffle plate（102）Constitute
Front chamber is the frame structure that dividing plate and support bar are constituted.
7. straddle truck collision prevention device according to claim 4, it is characterised in that the touch panel（7）With housing（1）Gear
Plate（102）Between be provided with telescopic mast（8）, expansion link one end of telescopic mast is inserted in one end of fix bar, expansion link and fix bar
The other end is connected with baffle plate and touch panel respectively.
8. straddle truck collision prevention device according to claim 4, it is characterised in that the spring（4）Original state length
With connecting pole（9）Length it is identical, the telescopic shape change of spring distance and contact stud（6）, touching frame（3）Stroke it is identical.
9. straddle truck collision prevention device according to claim 4, it is characterised in that the contact stud（6）Using iron material system
Into contact stud insertion housing（1）End be provided with gradient chamfering.
10. straddle truck collision prevention device according to claim 1, it is characterised in that the gallows frame（12）Two bottom sides
Track（11）On road wheel（2）The collision prevention device is symmetrical arranged two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160665.4A CN106744338B (en) | 2016-12-15 | 2016-12-15 | Gantry crane collision prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611160665.4A CN106744338B (en) | 2016-12-15 | 2016-12-15 | Gantry crane collision prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106744338A true CN106744338A (en) | 2017-05-31 |
| CN106744338B CN106744338B (en) | 2018-04-20 |
Family
ID=58887587
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611160665.4A Active CN106744338B (en) | 2016-12-15 | 2016-12-15 | Gantry crane collision prevention device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106744338B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640707A (en) * | 2017-11-09 | 2018-01-30 | 芜湖市长江起重设备制造有限公司 | A kind of dolly for straddle truck buffer unit in place |
| CN116281631A (en) * | 2023-05-17 | 2023-06-23 | 河南省矿山起重机有限公司 | Safety obstacle avoidance device for intelligent crane |
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|---|---|---|---|---|
| SU1717524A1 (en) * | 1989-12-26 | 1992-03-07 | Научно-Производственное Объединение Складских Систем | Load-lifting crane |
| CN201343377Y (en) * | 2008-10-28 | 2009-11-11 | 高旭 | Anti-collision control system for hoisting trolley of gantry crane |
| CN204057744U (en) * | 2014-09-02 | 2014-12-31 | 河南重工起重机集团有限公司 | A kind of monkey inhibiting device |
| CN204714378U (en) * | 2015-06-17 | 2015-10-21 | 山东经典重工集团股份有限公司 | A kind of protecting against collision of driving vehicles device |
| CN204751979U (en) * | 2015-06-19 | 2015-11-11 | 河南宝起华东起重机有限公司 | Bridge crane cart stroke stop device |
| CN205554206U (en) * | 2016-05-03 | 2016-09-07 | 山东省特种设备检验研究院泰安分院 | Spacing buffer in large -tonnage crane cart terminal |
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2016
- 2016-12-15 CN CN201611160665.4A patent/CN106744338B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1717524A1 (en) * | 1989-12-26 | 1992-03-07 | Научно-Производственное Объединение Складских Систем | Load-lifting crane |
| CN201343377Y (en) * | 2008-10-28 | 2009-11-11 | 高旭 | Anti-collision control system for hoisting trolley of gantry crane |
| CN204057744U (en) * | 2014-09-02 | 2014-12-31 | 河南重工起重机集团有限公司 | A kind of monkey inhibiting device |
| CN204714378U (en) * | 2015-06-17 | 2015-10-21 | 山东经典重工集团股份有限公司 | A kind of protecting against collision of driving vehicles device |
| CN204751979U (en) * | 2015-06-19 | 2015-11-11 | 河南宝起华东起重机有限公司 | Bridge crane cart stroke stop device |
| CN205554206U (en) * | 2016-05-03 | 2016-09-07 | 山东省特种设备检验研究院泰安分院 | Spacing buffer in large -tonnage crane cart terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640707A (en) * | 2017-11-09 | 2018-01-30 | 芜湖市长江起重设备制造有限公司 | A kind of dolly for straddle truck buffer unit in place |
| CN116281631A (en) * | 2023-05-17 | 2023-06-23 | 河南省矿山起重机有限公司 | Safety obstacle avoidance device for intelligent crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106744338B (en) | 2018-04-20 |
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Effective date of registration: 20181220 Address after: 230031 Woye Garden Commercial Building B-2704, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: Hefei totem Dragon Machinery Design Co., Ltd. Address before: 315175 No. 1 Lugang Village College Road, Gaoqiao Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Wei Luyao |
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Effective date of registration: 20190717 Address after: 226300, No. 6, West Zone, stone port town Industrial Park, Nantong, Jiangsu, Tongzhou District Patentee after: NANTONG TONGZHOU YIDA PORT MACHINERY CO., LTD. Address before: 230031 Woye Garden Commercial Building B-2704, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee before: Hefei totem Dragon Machinery Design Co., Ltd. |
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