CN110817701B - Crane with traveling crane switching device and traveling crane set - Google Patents
Crane with traveling crane switching device and traveling crane set Download PDFInfo
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- CN110817701B CN110817701B CN201910927959.2A CN201910927959A CN110817701B CN 110817701 B CN110817701 B CN 110817701B CN 201910927959 A CN201910927959 A CN 201910927959A CN 110817701 B CN110817701 B CN 110817701B
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- Prior art keywords
- crane
- walking
- assembly
- traveling
- positioning
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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
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/04—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The invention relates to a crane with a traveling crane switching device, which comprises: a traveling crane and a traveling crane switching device; wherein, the driving includes: a first walking beam and a second walking beam; the traveling crane switching device is arranged between the first traveling beam and the second traveling beam, or the traveling crane switching device and the suspended hoisting main beam are arranged between the first traveling beam and the second traveling beam; the driving switching device can run or be locked and positioned on the first running beam and the second running beam. The crane provided by the invention not only has the function of a crane, but also can be directly positioned and aligned to the suspended hoisting main beam to be transferred, and the electric hoist can be safely, conveniently, quickly and reliably transferred.
Description
Technical Field
The invention belongs to the technical field of traveling cranes, and particularly relates to a crane with a traveling crane switching device and a traveling crane set.
Background
In the prior art, the electric hoist can not be switched between two straddle-type traveling cranes, so that it is necessary to develop a crane capable of quickly and conveniently switching the electric hoist.
Disclosure of Invention
Technical problem to be solved
Aiming at the technical problems in the prior art, the invention provides a crane with a travelling crane switching device and a travelling crane set.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a crane with a crane adapter, comprising: a traveling crane and a traveling crane switching device;
wherein, the driving includes: a first walking beam and a second walking beam;
the traveling crane switching device is arranged between the first traveling beam and the second traveling beam, or the traveling crane switching device and the suspended hoisting main beam are arranged between the first traveling beam and the second traveling beam;
the travelling crane switching device can run or be locked and positioned on the first travelling beam and the second travelling beam;
the electric hoist can run on the suspension hoisting main beam.
Preferably, the driving switching device comprises: the device comprises a transfer beam, a driving mechanism, a transmission mechanism, a walking locking mechanism, a connecting rod mechanism and a limiting assembly;
the driving mechanism, the transmission mechanism and the walking locking mechanism are all fixedly arranged on the upper side of the transfer beam;
the transfer beam can run or be locked and positioned on a traveling crane by means of the driving mechanism, the transmission mechanism and the running locking mechanism;
two ends of the connecting rod mechanism are respectively connected with the transmission mechanism and the limiting assembly;
a switching track for the walking of the electric hoist is arranged on the lower side of the switching beam;
the limiting assembly is arranged at the port of the switching track and can be driven by the connecting rod mechanism to open or close the port;
when the transfer beam is in butt joint with the target suspension hoisting main beam for positioning, the connecting rod mechanism drives the limiting assembly to open the port under the driving of the transmission mechanism;
when the transfer beam and the target suspension hoisting main beam are not in butt joint positioning, the connecting rod mechanism drives the limiting assembly to close the port under the driving of the transmission mechanism;
the electric hoist positioned on the switching track can reach a lower installation track of a target suspension hoisting main beam after passing through the port;
the electric hoist positioned below the target suspension hoisting main beam can reach the switching track after passing through the port.
Preferably, the drive mechanism comprises: a motor and a cylinder;
the motor is fixedly arranged on the upper side of the transfer beam and is connected with the cylinder;
the cylinder is also connected with the transmission mechanism;
the motor controls the operation of the transmission mechanism by means of the cylinder.
Preferably, the running lock mechanism comprises: the device comprises a first walking assembly, a second walking assembly and a positioning and locking assembly;
the first walking assembly and the second walking assembly are identical in structure and are fixedly arranged at two ends of the upper side of the transfer beam respectively;
the transfer beam can run on a travelling crane by means of the first running assembly and the second running assembly;
the first walking assembly can be matched with the positioning and locking assembly to be locked and fixed with the first walking beam in the travelling crane, and the purpose of positioning is achieved.
Preferably, the first running assembly comprises: a first end beam plate, a second end beam plate and a pair of walking wheels;
the first end beam plate and the second end beam plate are fixed on the upper side of the transfer beam in parallel;
the pair of walking wheels are respectively arranged on the opposite surfaces of the first end beam plate and the second end beam plate;
the pair of walking wheels can respectively walk on the rails on the two sides of the I-shaped walking beam.
Preferably, the positioning and locking assembly comprises: the ejection rod, the spring and the support plate;
the support plate is fixed on the upper side of the transfer beam;
the support plate and the first end beam plate are provided with corresponding through holes;
the jacking rod penetrates through the through hole;
the spring is sleeved on the jacking rod and limited between the support plate and the first end beam plate;
one end of the jacking rod is connected with the transmission mechanism, and the other end of the jacking rod faces the I-shaped walking beam between the first end beam plate and the second end beam plate and can be driven by the transmission mechanism to jack the I-shaped walking beam tightly;
a rotating shaft is arranged on the side surface of the transmission mechanism;
the link mechanism is connected with the transmission mechanism by means of the rotating shaft.
Preferably, the link mechanism includes: the angle-shaped rod piece, the straight rod, the first positioning shaft, the second positioning shaft and the connecting rotating shaft are arranged on the connecting shaft;
the first positioning shaft and the second positioning shaft are fixedly arranged on the side wall of the transfer beam;
one end of the angular rod piece is rotatably connected with one end of the straight rod through the connecting rotating shaft;
the top angle of the angular rod piece is rotatably connected with the first positioning shaft;
the straight rod is rotatably connected with the second positioning shaft.
Preferably, the spacing assembly includes: a slide block and a limit shaft;
one end of the limiting shaft is connected with the sliding block, and the other end of the limiting shaft is rotatably connected with the other end of the straight rod;
a strip-shaped hole extending in the vertical direction is formed in the side wall of the port on the switching beam;
the limiting shaft penetrates through the strip-shaped hole;
the link mechanism can drive the sliding block to slide up and down along the direction of the strip-shaped hole under the driving of the transmission mechanism so as to achieve the purpose of opening or closing the port.
Preferably, the running lock mechanism further comprises: an optical locating assembly;
the optical positioning assembly is fixedly arranged on the upper side of the transfer beam and is close to the first walking assembly;
the optical positioning assembly is in control connection with the driving mechanism.
This technical scheme still provides a crane group, includes: the crane with the travelling crane switching device is characterized by comprising two cranes which are arranged side by side and provided with the travelling crane switching devices;
the two electric hoists on the crane with the travelling crane switching device can be switched to a suspended hoisting main beam on an adjacent travelling crane or the adjacent crane with the travelling crane switching device.
(III) advantageous effects
The invention has the beneficial effects that: the crane with the travelling crane switching device and the travelling crane set have the following beneficial effects:
the electric hoist transfer device has the functions of a crane, can be directly positioned and aligned to a suspended hoisting main beam of another crane needing to be transferred, and is safe, convenient, quick and reliable to transfer the electric hoist;
finally, the crane set provided by the application can realize the transfer of the electric hoist between two adjacent travelling cranes.
Drawings
Fig. 1 is a partial structural schematic diagram of a crane with a crane adapter according to the present invention.
[ description of reference ]
1: a first running assembly; 2: a walking beam; 3: a transfer beam; 4: an electric hoist; 5: a strip-shaped hole; 6: jacking the bar; 7: a spring; 8: an optical locating assembly; 9: a transmission mechanism; 10: a motor; 11: an angular bar member; 12: a straight rod; 13: a first positioning shaft; 14: connecting the rotating shaft; 15: a second positioning shaft; 16: a slider; 17: and hanging a hoisting main beam.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1: the embodiment discloses a driving switching device, include: the device comprises a transfer beam, a driving mechanism, a transmission mechanism, a walking locking mechanism, a connecting rod mechanism and a limiting assembly.
The driving mechanism, the transmission mechanism 9 and the walking locking mechanism are all fixedly arranged on the upper side of the transfer beam 3.
The transfer beam 3 can be moved or locked and positioned on the traveling crane by means of the driving mechanism, the transmission mechanism 9 and the traveling locking mechanism.
It should be noted that: the transmission mechanism 9 is connected with the walking locking mechanism and can control the walking locking mechanism to be locked and positioned on the track of the travelling crane.
And two ends of the connecting rod mechanism are respectively connected with the transmission mechanism 9 and the limiting assembly.
Wherein, the lower side of the transfer beam 3 is provided with a transfer track for the electric hoist 4 to run; the transfer beam 3 in this embodiment is similar in structure to the main suspension crane beam 17 on other traveling cranes.
The limiting assembly is arranged at the port of the switching track and can be driven by the connecting rod mechanism to open or close the port.
It should be noted that the ports described herein are capable of interfacing with the ports of the suspended crane girders 17 to be transferred.
When the transfer beam 3 is in butt joint with the target suspension hoisting main beam 17 for positioning, the connecting rod mechanism drives the limiting component to open the port under the driving of the transmission mechanism.
When the transfer beam 3 and the target suspended hoisting main beam 17 are undocked from the butt joint and positioned, the connecting rod mechanism drives the limiting component to close the port under the driving of the transmission mechanism 9.
The electric hoist 4 positioned on the switching track can reach the lower setting track of the target suspension hoisting main beam 17 after passing through the port.
The electric hoist 4 located below the target suspension crane girder 17 and provided with a track can reach the switching track after passing through the port.
When the electric hoist 4 in this example is opened at the port, the electric hoist can run from the suspended hoisting main beam 17 to the transit beam 3, and can also run from the transit beam 3 to the suspended hoisting main beam 17; therefore, with the traveling crane transfer device provided in this embodiment, the electric block 4 can be transferred from the transfer beam 3 to the target suspended crane girder 17, transferred from the suspended crane girder a to the transfer beam 3, transferred from the transfer beam 3 to the suspended crane girder B or the suspended crane girder C, and so on.
It should be noted that the target suspended crane girder and the suspended crane girder described above refer to suspended crane girders of two cranes, respectively, where the target suspended crane girder is a suspended crane girder of a crane that needs to be connected with an electric hoist, and specifically, in this embodiment, an electric hoist on a connecting beam of a crane having a crane connecting function is connected with a suspended crane girder on another crane.
The drive mechanism described in this embodiment includes: a motor 10 and a cylinder.
The motor 10 is fixedly arranged on the upper side of the transfer beam 3 and is connected with the cylinder;
the cylinder is also connected with the transmission mechanism 9.
The motor 10 controls the operation of the transmission 9 by means of the cylinder.
The motor 10 controls the cylinder to move, and at the same time, the cylinder synchronously drives the transmission mechanism 9 to do push-pull movement.
The walking locking mechanism in this embodiment comprises: a first running component 1, a second running component and a positioning and locking component.
The first running assembly 1 and the second running assembly are identical in structure and are fixedly arranged at two ends of the upper side of the transfer beam 3 respectively.
The transfer beam 3 can be run on the vehicle by means of the first running gear 1 and the second running gear.
It should be noted that: the first running gear assembly 1 and the second running gear assembly are driven by running motors which are arranged independently.
The first walking assembly 1 can be matched with the positioning locking assembly to be locked and fixed with one walking beam 2 in a walking vehicle, and the purpose of positioning is achieved.
The first running assembly 1 described in this embodiment comprises: a first end beam plate, a second end beam plate and a pair of running wheels.
The first end beam plate and the second end beam plate are fixed on the upper side of the transfer beam 3 in parallel;
the pair of walking wheels are respectively arranged on the opposite surfaces of the first end beam plate and the second end beam plate;
the pair of walking wheels can respectively walk on the rails on the two sides of the I-shaped walking beam 2.
In operation, the i-shaped walking beam 2 is here located between said first end beam panel and said second end beam panel.
More specifically, the positioning and locking assembly described in this embodiment includes: a top lever 6, a spring 7 and a support plate.
The support plate is fixed on the upper side of the transfer beam 3.
The support plate and the first end beam plate are provided with through holes corresponding to each other.
The top bar 6 is arranged through the through hole.
The spring 7 is sleeved on the top lever 6 and limited between the support plate and the first end beam plate.
The spring 7 provided here has the function of keeping the top bar 6 and the walking beam in a disconnected state from each other in the undocked position. .
Specifically, one end of the jacking rod 6 is connected with the transmission mechanism 9, and the other end of the jacking rod faces towards the I-shaped walking beam 2 between the first end beam plate and the second end beam plate, and can be tightly jacked against the I-shaped walking beam 2 under the driving of the transmission mechanism 9.
It should be noted that: the cylinder here pushes the transmission mechanism 9 to further push the jacking rod 6 to reach the side wall of the I-shaped walking beam 2 and jack the I-shaped walking beam 2 tightly so as to achieve the purpose of locking and positioning, the traveling crane switching device at this moment cannot move on the I-shaped walking beam 2, and therefore the purpose of positioning on a traveling crane can be achieved, and it should be noted that the switching beam 3 at this moment is also in butt joint with the target suspended lifting main beam 17.
In this embodiment, a rotating shaft is provided on the side surface of the transmission mechanism 9.
The link mechanism is connected to the transmission mechanism 9 by means of the rotational shaft.
The link mechanism described in this embodiment includes: the angle-shaped rod piece 11, the straight rod 12, the first positioning shaft 13, the second positioning shaft 15 and the connecting rotating shaft 14.
The first positioning shaft 13 and the second positioning shaft 15 are fixedly arranged on the side wall of the transfer beam 3.
One end of the angular bar 11 and one end of the straight bar 12 are rotatably connected by means of the connecting rotating shaft 14.
The vertex angle of the angle-shaped rod piece 11 is rotatably connected with the first positioning shaft 13.
The straight rod 12 is rotatably connected with the second positioning shaft 15.
The spacing subassembly described in this embodiment includes: a slide 16 and a limit shaft.
One end of the limiting shaft is connected with the sliding block 16, and the other end of the limiting shaft is rotatably connected with the other end of the straight rod 12.
The lateral wall that lies in the port department on the switching beam 3 is equipped with along the vertical direction upward extending's bar hole 5.
The limiting shaft penetrates through the strip-shaped hole 5.
The link mechanism can drive the sliding block 16 to slide up and down along the direction of the strip-shaped hole 5 under the driving of the transmission mechanism 9, so as to achieve the purpose of opening or closing the port.
Finally, it should be noted that: the walking locking mechanism in this embodiment further includes: an optical locating assembly 8.
The optical positioning assembly 8 is fixedly arranged on the upper side of the transfer beam 3 and is close to the first walking assembly 1.
The optical positioning component 8 is in control connection with the driving mechanism.
This embodiment still provides a hoist with driving switching device, 1, a hoist with driving switching device, its characterized in that includes: driving and driving switching device.
Wherein, the driving includes: the first walking beam and the second walking beam.
The traveling crane switching device is arranged between the first traveling beam and the second traveling beam, or the traveling crane switching device and the suspended hoisting main beam are arranged between the first traveling beam and the second traveling beam.
It should be noted that: the crane described in this embodiment includes two cases, the first one is equipped with driving switching device and hangs the jack-up girder for driving simultaneously, and the crane not only has driving switching function this moment, but also has two hoisting capacity that hang.
The second is that only a traveling crane switching device is arranged on the traveling crane.
It should be noted that, in this example, no specific limitation is imposed on the number of the crane adapter devices or the suspended crane girders on the crane, and an appropriate number may be installed according to actual needs.
The travelling crane switching device can run or be locked and positioned on the first travelling beam and the second travelling beam;
the electric hoist can run on the suspension hoisting main beam.
Finally, what needs to be supplemented is: the crane described in this embodiment can not only provide the transfer service of the electric hoist for a common crane (a crane without a traveling crane transfer function), but also provide the transfer service of the electric hoist for a crane with a traveling crane transfer function.
This embodiment still provides a crane group, includes: two cranes with a crane adapter as provided in the above-described embodiments are arranged side by side.
The two electric hoists on the crane with the travelling crane switching device can be switched to a suspended hoisting main beam on an adjacent travelling crane or the adjacent crane with the travelling crane switching device.
Here, it should be noted that: the adjacent cranes with the traveling crane switching devices have two conditions: one of the two is arranged on a transfer beam of the crane with a traveling crane transfer device.
And the second is on the suspended lifting main beam of the crane with the adjacent travelling crane switching device.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A crane with a crane adapter device, comprising: a traveling crane and a traveling crane switching device;
wherein, the driving includes: a first walking beam and a second walking beam;
the traveling crane switching device is arranged between the first traveling beam and the second traveling beam, or the traveling crane switching device and the suspended hoisting main beam are arranged between the first traveling beam and the second traveling beam;
the travelling crane switching device can run or be locked and positioned on the first travelling beam and the second travelling beam;
the driving switching device comprises: the device comprises a transfer beam, a driving mechanism, a transmission mechanism, a walking locking mechanism, a connecting rod mechanism and a limiting assembly;
the driving mechanism, the transmission mechanism and the walking locking mechanism are all fixedly arranged on the upper side of the transfer beam;
the transfer beam can run or be locked and positioned on a traveling crane by means of the driving mechanism, the transmission mechanism and the running locking mechanism;
two ends of the connecting rod mechanism are respectively connected with the transmission mechanism and the limiting assembly;
a switching track for the walking of the electric hoist is arranged on the lower side of the switching beam;
the limiting assembly is arranged at the port of the switching track and can be driven by the connecting rod mechanism to open or close the port.
2. A crane according to claim 1,
when the transfer beam is in butt joint with the target suspension hoisting main beam for positioning, the connecting rod mechanism drives the limiting assembly to open the port under the driving of the transmission mechanism;
when the transfer beam and the target suspension hoisting main beam are not in butt joint positioning, the connecting rod mechanism drives the limiting assembly to close the port under the driving of the transmission mechanism;
the electric hoist positioned on the switching track can reach a lower installation track of a target suspension hoisting main beam after passing through the port;
the electric hoist positioned below the target suspension hoisting main beam can reach the switching track after passing through the port.
3. A crane according to claim 2,
the drive mechanism includes: a motor and a cylinder;
the motor is fixedly arranged on the upper side of the transfer beam and is connected with the cylinder;
the cylinder is also connected with the transmission mechanism;
the motor controls the operation of the transmission mechanism by means of the cylinder.
4. A crane according to claim 3,
the walking locking mechanism comprises: the device comprises a first walking assembly, a second walking assembly and a positioning and locking assembly;
the first walking assembly and the second walking assembly are identical in structure and are fixedly arranged at two ends of the upper side of the transfer beam respectively;
the transfer beam can run on a travelling crane by means of the first running assembly and the second running assembly;
the first walking assembly can be matched with the positioning and locking assembly to be locked and fixed with the first walking beam in the travelling crane, and the purpose of positioning is achieved.
5. A crane according to claim 4,
the first running assembly comprises: a first end beam plate, a second end beam plate and a pair of walking wheels;
the first end beam plate and the second end beam plate are fixed on the upper side of the transfer beam in parallel;
the pair of walking wheels are respectively arranged on the opposite surfaces of the first end beam plate and the second end beam plate;
the pair of walking wheels can respectively walk on the rails on the two sides of the I-shaped walking beam.
6. A crane according to claim 5,
the positioning and locking assembly comprises: the ejection rod, the spring and the support plate;
the support plate is fixed on the upper side of the transfer beam;
the support plate and the first end beam plate are provided with corresponding through holes;
the jacking rod penetrates through the through hole;
the spring is sleeved on the jacking rod and limited between the support plate and the first end beam plate;
one end of the jacking rod is connected with the transmission mechanism, and the other end of the jacking rod faces the I-shaped walking beam between the first end beam plate and the second end beam plate and can be driven by the transmission mechanism to jack the I-shaped walking beam tightly;
a rotating shaft is arranged on the side surface of the transmission mechanism;
the link mechanism is connected with the transmission mechanism by means of the rotating shaft.
7. A crane according to claim 6,
the link mechanism includes: the angle-shaped rod piece, the straight rod, the first positioning shaft, the second positioning shaft and the connecting rotating shaft are arranged on the connecting shaft;
the first positioning shaft and the second positioning shaft are fixedly arranged on the side wall of the transfer beam;
one end of the angular rod piece is rotatably connected with one end of the straight rod through the connecting rotating shaft;
the top angle of the angular rod piece is rotatably connected with the first positioning shaft;
the straight rod is rotatably connected with the second positioning shaft.
8. A crane according to claim 7,
the spacing subassembly includes: a slide block and a limit shaft;
one end of the limiting shaft is connected with the sliding block, and the other end of the limiting shaft is rotatably connected with the other end of the straight rod;
a strip-shaped hole extending in the vertical direction is formed in the side wall of the port on the switching beam;
the limiting shaft penetrates through the strip-shaped hole;
the link mechanism can drive the sliding block to slide up and down along the direction of the strip-shaped hole under the driving of the transmission mechanism so as to achieve the purpose of opening or closing the port.
9. A crane according to claim 4,
the walking locking mechanism further comprises: an optical locating assembly;
the optical positioning assembly is fixedly arranged on the upper side of the transfer beam and is close to the first walking assembly;
the optical positioning assembly is in control connection with the driving mechanism.
10. A crane assembly, comprising: two cranes with crane transferring devices according to any one of claims 1 to 9 arranged side by side;
the two electric hoists on the crane with the travelling crane switching device can be switched to a suspended hoisting main beam on an adjacent travelling crane or the adjacent crane with the travelling crane switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927959.2A CN110817701B (en) | 2019-09-27 | 2019-09-27 | Crane with traveling crane switching device and traveling crane set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927959.2A CN110817701B (en) | 2019-09-27 | 2019-09-27 | Crane with traveling crane switching device and traveling crane set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110817701A CN110817701A (en) | 2020-02-21 |
| CN110817701B true CN110817701B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910927959.2A Active CN110817701B (en) | 2019-09-27 | 2019-09-27 | Crane with traveling crane switching device and traveling crane set |
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| CN (1) | CN110817701B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE835792C (en) * | 1950-02-24 | 1952-04-03 | Asea Ab | Lock at runway crossings for overhead traveling cranes or the like |
| US10315891B2 (en) * | 2016-11-03 | 2019-06-11 | Harrington Hoists, Inc. | Beam interlock for hoist trolley |
| CN106629390A (en) * | 2016-11-14 | 2017-05-10 | 天津起重设备有限公司 | Rail crossing device with automatic reset function |
| CN108147279A (en) * | 2017-12-31 | 2018-06-12 | 浙江杭钻机械制造股份有限公司 | Lifting crosses rail and hangs automatic locking lug-latch switching device |
| CN110002342A (en) * | 2019-04-30 | 2019-07-12 | 江阴鼎力高科起重机械有限公司 | It crosses across rail bridge crane and crosses across rail method |
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2019
- 2019-09-27 CN CN201910927959.2A patent/CN110817701B/en active Active
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| CN110817701A (en) | 2020-02-21 |
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