CN110683453A - Special lifting appliance with safety protection device for mold, crane and lifting method - Google Patents
Special lifting appliance with safety protection device for mold, crane and lifting method Download PDFInfo
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- CN110683453A CN110683453A CN201910964833.2A CN201910964833A CN110683453A CN 110683453 A CN110683453 A CN 110683453A CN 201910964833 A CN201910964833 A CN 201910964833A CN 110683453 A CN110683453 A CN 110683453A
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- grabbing
- connecting rod
- clamping
- photoelectric sensor
- collision
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Classifications
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/40—Crane hooks formed or fitted with load measuring or indicating devices
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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
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of cranes, and particularly relates to a special lifting appliance for a mold, a crane and a lifting method, wherein a grapple comprises two side plates which are parallel to each other, the lower end of each side plate is provided with an upwardly bent hook body, a grabbing detection mechanism and a clamping detection mechanism are arranged between the two side plates, and the grabbing detection mechanism is arranged at the hook body and comprises a grabbing installation shaft, a grabbing rotating shaft, a first grabbing connecting rod, a second grabbing connecting rod, a grabbing reset spring, a grabbing photoelectric sensor and a grabbing separation blade; press from both sides tight detection mechanism and set up the one side of bending at the coupler body of curb plate, include: the clamping device comprises a first clamping connecting rod, a second clamping connecting rod, a third clamping connecting rod, a clamping return spring, a clamping photoelectric sensor and a clamping separation blade. The invention detects whether the grapple grabs the mold or not through the grabbing photoelectric sensor, and detects whether the lifting pin shaft is clamped by the grapple or is completely released through the clamping photoelectric sensor; the special lifting appliance for the mold is more reliable when the mold is grabbed, and potential safety hazards do not exist.
Description
Technical Field
The invention belongs to the technical field of cranes, and particularly relates to a special mold lifting appliance with a safety protection device, a crane and a lifting method.
Background
At present, in a stamping workshop of the automobile industry, in order to improve automation efficiency, a special mould crane is usually adopted for a special mould lifting appliance to lift a mould in an in-out warehouse of the mould, a lifting pin shaft is arranged on the mould, and four grabbing hooks of the special mould lifting appliance grab four pin shafts on the mould to lift the mould. If one of the grapples does not have an accurate grabbing pin shaft, the lifting fails or the grapples drop midway, and potential safety hazards exist. On the other hand, the lifting appliance is in the grabbing and lifting and carrying processes, the outer side of the lifting appliance is strictly prevented from contacting and rubbing with the adjacent stacked dies, and therefore potential safety hazards are avoided.
Disclosure of Invention
The invention aims to overcome the defect of potential safety hazard in the prior art and provides a special lifting appliance with a safety protection device for a mould, a crane and a lifting method.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a mould special lifting device with safety arrangement which characterized in that: four grapples are arranged on the special lifting appliance for the die, each grapple comprises two parallel side plates, the lower ends of the side plates are provided with hook bodies bent upwards, a grabbing detection mechanism and a clamping detection mechanism are arranged between the two side plates, the grabbing detection mechanism is arranged at the hook body and comprises a grabbing installation shaft fixedly arranged on the side plate, a grabbing rotating shaft sleeved outside the grabbing installation shaft and rotating around the grabbing installation shaft, a first grabbing connecting rod and a second grabbing connecting rod which are arranged on the outer peripheral surface of the grabbing rotating shaft, a grabbing reset spring with two ends respectively connected to the second grabbing connecting rod and the side plate, a grabbing photoelectric sensor arranged on the side plate and a grabbing catch arranged on the first grabbing connecting rod, after the first grabbing connecting rod is pressed down, the grabbing blocking piece reflects light emitted by the grabbing photoelectric sensor back to the grabbing photoelectric sensor; press from both sides tight detection mechanism and set up one side that the coupler body of curb plate is bent is located snatch detection mechanism's top, press from both sides tight detection mechanism and include: the clamping device comprises a first clamping connecting rod, a second clamping connecting rod, a third clamping connecting rod, a clamping reset spring, a clamping photoelectric sensor and a clamping blocking piece, wherein the first clamping connecting rod is in pin joint with the side plate; the third clamping connecting rod is pinned on the side plate; after the second clamping connecting rod is pressed towards the inner part of the side plate, the clamping blocking sheet reflects the light emitted by the clamping photoelectric sensor back to the clamping photoelectric sensor.
Further, still including setting up the anticollision detection mechanism of the opposite side of hook body, anticollision detection mechanism is including the pin joint first anticollision connecting rod on the curb plate, one end with the second anticollision connecting rod of first anticollision connecting rod pin joint, one end with the third anticollision connecting rod of second anticollision connecting rod pin joint, both ends are connected respectively the second anticollision connecting rod with anticollision reset spring on the curb plate, install anticollision photoelectric sensor on the curb plate and install anticollision separation blade on the second anticollision connecting rod, the second anticollision connecting rod by to the inside back of pressing of curb plate, anticollision separation blade will the light reflection of anticollision photoelectric sensor transmission returns anticollision photoelectric sensor.
Further, the grabbing blocking piece is installed on the lower side of the first grabbing connecting rod, and the grabbing photoelectric sensor is located on the lower side of the first grabbing connecting rod.
Further, in the non-gripping state of the gripper hook, the second clamp link projects outward to an outer side of the side plate having a hook side.
Further, when the grab hook does not collide with other objects on the side of the hook body opposite to the grab hook, the second collision connecting rod protrudes outwards to the outer side of the side plate opposite to the hook body.
Furthermore, one end of the third clamping connecting rod is in pin joint with the second clamping connecting rod, the middle part of the third clamping connecting rod is in pin joint with the side plate, and the other end of the third clamping connecting rod is connected with the clamping return spring.
Further, the special lifting appliance for the mold comprises two parallel-arranged grapple assemblies, and each grapple assembly comprises a cross beam and two oppositely-arranged grapples moving along the cross beam.
Further, the grab, clamp and anti-collision photosensors are all BOS R01E series photosensors of baluff.
The utility model provides a special crane of mould which characterized in that: the device comprises a special lifting appliance for the mold and a controller, wherein the grabbing photoelectric sensor, the clamping photoelectric sensor and the anti-collision photoelectric sensor are all electrically connected with the controller.
The hoisting method of the special crane for the mold is characterized in that: the method comprises the following steps:
s1, the controller controls the grapple to be close to a lifting pin shaft of the mold, the lifting pin shaft gradually presses the second clamping connecting rod after touching the lower end of the second clamping connecting rod, the second clamping connecting rod rotates until the clamping blocking sheet reflects light emitted by the clamping photoelectric sensor back to the clamping photoelectric sensor, the clamping photoelectric sensor sends an electric signal to the controller, the grapple represents that the lifting pin shaft is clamped, and the controller receives signals which are sent by the four clamping photoelectric sensors and used for clamping the lifting pin shaft;
s2, the controller controls the lifting appliance special for the mold to slightly move upwards, so that the lifting pin shaft presses the first grabbing connecting rod downwards, the first grabbing connecting rod rotates until the grabbing blocking piece reflects light emitted by the grabbing photoelectric sensor back to the grabbing photoelectric sensor, the grabbing photoelectric sensor sends an electric signal to the controller, the grabbing hook accurately grabs the lifting pin shaft until the controller receives signals sent by the four grabbing photoelectric sensors to accurately grab the lifting pin shaft, and the mold is lifted by the special crane for the mold;
s3, when the special mould crane releases the mould, firstly, the grapple is slightly downward released, the four grabbing photoelectric sensors are guaranteed to be all free of electric signals and sent to the controller, then the controller controls the grapple to release the hoisting pin shaft, and the four clamping photoelectric sensors are guaranteed to be all free of electric signals and sent to the controller to release all the grapples; if an obstacle presses the second anti-collision connecting rod, the anti-collision blocking piece reflects light emitted by the anti-collision photoelectric sensor back to the anti-collision photoelectric sensor, and the controller controls the special lifting appliance of the mold to stop moving.
The special lifting appliance, the crane and the lifting method for the die with the safety protection device have the beneficial effects that: the bottom of the grapple is provided with a grabbing photoelectric sensor to detect whether the grapple grabs the mold or not, and the inner side of the grapple is provided with a clamping photoelectric sensor to detect whether two opposite-angle hoisting pin shafts of the mold are clamped or completely released by two corresponding grapples; the outside of the grapple is prevented from accidentally colliding against a mold or other obstacle on the side by the anti-collision photoelectric sensor. The special lifting appliance for the mold is more reliable when the mold is grabbed, potential safety hazards do not exist, and damage to the adjacent stacked molds is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a structural view of a grapple assembly of a die spreader according to an embodiment of the present invention;
FIG. 2 is a block diagram of the grapple assembly of an embodiment of the present invention with one of the side plates missing;
fig. 3 is a diagram of a control system of a crane dedicated for molds according to an embodiment of the present invention.
In the figure, the anti-collision device comprises a grabbing hook 1, a grabbing hook 11, a side plate 12, a hook body 2, a grabbing detection mechanism 21, a grabbing mounting shaft 22, a grabbing rotating shaft 23, a first grabbing connecting rod 24, a second grabbing connecting rod 25, a grabbing reset spring 26, a grabbing photoelectric sensor 27, a grabbing blocking piece 3, a clamping detection mechanism 31, a first clamping connecting rod 32, a second clamping connecting rod 33, a third clamping connecting rod 34, a clamping reset spring 35, a clamping photoelectric sensor 36, a clamping blocking piece 4, an anti-collision detection mechanism 41, a first anti-collision connecting rod 42, a second anti-collision connecting rod 43, a third anti-collision connecting rod 44, a photoelectric sensor 45, an anti-collision blocking piece 46, an anti-collision reset spring 5, a beam 6 and a controller.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the embodiment of the special lifting appliance with a safety protection device of the present invention shown in fig. 1-2, the special lifting appliance has four grapples 1 thereon, the special lifting appliance includes two parallel grapple assemblies, each grapple assembly includes a cross beam 5 and two oppositely disposed grapples 1 moving along the cross beam 5, and the four grapples 1 are respectively used for grabbing four lifting pins on the mold. When the mold is grabbed, the horizontal positions of the four grabbing hooks 1 are adjusted firstly, so that the grabbing hooks 1 can reach the position of the hoisting pin shaft in the horizontal direction.
The grapple 1 comprises two parallel side plates 11, the lower end of each side plate 11 is provided with an upward bent hook body 12, and a grabbing detection mechanism 2, a clamping detection mechanism 3 and an anti-collision detection mechanism 4 are arranged between the two side plates 11.
Press from both sides tight detection mechanism 3 and set up in one side that hook 12 of curb plate 11 bends, be located the top of snatching detection mechanism 2, press from both sides tight detection mechanism 3 and include: a first clamping connecting rod 31 in pin joint with the side plate 11, a second clamping connecting rod 32 with one end in pin joint with the first clamping connecting rod 31, a third clamping connecting rod 33 in pin joint with the other end of the second clamping connecting rod 32, a clamping return spring 34 with two ends respectively connected with the third clamping connecting rod 33 and the side plate 11, a clamping photoelectric sensor 35 arranged on the side plate 11 and a clamping stop piece 36 arranged on the second clamping connecting rod 32; the third clamping connecting rod 33 is pinned on the side plate 11; after the second clamping link 32 is pressed toward the inside of the side plate 11, the clamping flap 36 reflects the light emitted from the clamping photosensor 35, the grasping flap 27 is mounted on the lower side of the first grasping link 23, and the grasping photosensor 26 is located on the lower side of the first grasping link 23. One end of the third clamping connecting rod 33 is in pin joint with the second clamping connecting rod 32, the middle part is in pin joint with the side plate 11, and the other end is connected with a clamping return spring 34. In the non-gripping state of the grapple 1, the second clamp link 32 projects outward to the outside of the side plate 11 on the side having the hook body 12. The lifting pin axially presses down the first grabbing connecting rod 23, so that the first grabbing connecting rod 23 rotates, the grabbing blocking piece 27 reflects light emitted by the grabbing photoelectric sensor 26, and at the moment, the lifting pin shaft enters the hook body 12 and is safely grabbed by the grabbing hook 1. When the crane releases the lifting pin shaft, the lifting pin shaft is released from the hook body 12, the first grabbing connecting rod 23 is reset under the action of the grabbing reset spring 25, and the grabbing blocking piece 27 does not reflect light emitted by the grabbing photoelectric sensor 26 any more.
The anti-collision detection mechanism 4 is arranged on the side plate 11 on the opposite side of the hook body 12, the anti-collision detection mechanism 4 comprises a first anti-collision connecting rod 41 in pin joint with the side plate 11, a second anti-collision connecting rod 42 with one end in pin joint with the first anti-collision connecting rod 41, a third anti-collision connecting rod 43 with one end in pin joint with the second anti-collision connecting rod 42, an anti-collision reset spring 46 with two ends respectively connected with the second anti-collision connecting rod 42 and the side plate 11, an anti-collision photoelectric sensor 44 installed on the side plate 11 and an anti-collision blocking piece 45 installed on the second anti-collision connecting rod 42, and after the second anti-collision connecting rod 42 is pressed towards the inside of the side plate 11, the. When the grapple 1 does not collide with other objects on the side opposite to the hook body 12, the second collision connecting rod protrudes outwards to the outer side of the side plate 11 on the side opposite to the hook body 12. When the grapple 1 moves or releases the lifting pin shaft, if the grapple accidentally touches the adjacent stacked molds or obstacles, the grapple first touches the second anti-collision connecting rod 42, the second anti-collision connecting rod 42 rotates to enable the anti-collision blocking piece 45 to reflect the light emitted by the anti-collision photoelectric sensor 44 back to the anti-collision photoelectric sensor 44, and the controller 6 controls the special lifting appliance of the mold to stop moving. The second rigid collision connecting rod can not rigidly collide with the mold, and the mold and the grapple 1 are protected.
In addition, the first grabbing link 23, the second clamping link 32 and the third collision prevention link 43 are all coated with rubber materials, so that collision friction with a mold is reduced as much as possible.
In this embodiment, the grab photosensor 26, the clamp photosensor 35, and the anti-collision photosensor 44 are all BOS R01E series photosensors of baluff.
As shown in fig. 1 and 3, the special mold crane of the present embodiment includes a special mold lifting device and a controller 6, the grabbing photoelectric sensor 26, the clamping photoelectric sensor 35 and the anti-collision photoelectric sensor 44 are all electrically connected to the controller 6, and the controller 6 sends instructions to each component to implement corresponding lifting actions by receiving electrical signals of the photoelectric sensors.
The hoisting method of the special crane for the mold provided by the embodiment of the invention comprises the following steps:
s1, the controller 6 controls the grapple 1 to be close to a lifting pin shaft of the mold, the lifting pin shaft gradually presses the second clamping connecting rod 32 after touching the lower end of the second clamping connecting rod 32, the second clamping connecting rod 32 rotates until the clamping blocking piece 36 reflects light emitted by the clamping photoelectric sensor 35 back to the clamping photoelectric sensor 35, the clamping photoelectric sensor 35 sends an electric signal to the controller 6, the lifting pin shaft is clamped by the grapple 1, and the controller 6 receives signals sent by the four clamping photoelectric sensors 35 for clamping the lifting pin shaft;
s2, the controller 6 controls the special lifting appliance to slightly move upwards, so that the lifting pin shaft presses the first grabbing connecting rod 23 downwards, the first grabbing connecting rod 23 rotates until the grabbing blocking piece 27 reflects light emitted by the grabbing photoelectric sensor 26 back to the grabbing photoelectric sensor 26, the grabbing photoelectric sensor 26 sends an electric signal to the controller 6, the grabbing hook 1 represents that the lifting pin shaft is accurately grabbed, and the special lifting appliance for the mold lifts the mold until the controller 6 receives signals sent by the four grabbing photoelectric sensors 26 and accurately grabs the lifting pin shaft;
s3, when the special mould crane releases the mould, firstly, the grapple 1 is slightly downward released, so that no electric signal is sent to the controller 6 by all the four grabbing photoelectric sensors 26, then the controller 6 controls the grapple 1 to release the hoisting pin shaft, and no electric signal is sent to the controller 6 by all the four clamping photoelectric sensors 35 to release all the grapples 1; if an obstacle presses the second anti-collision link 42, the anti-collision blocking sheet 45 reflects the light emitted by the anti-collision photoelectric sensor 44 back to the anti-collision photoelectric sensor 44, and the controller 6 controls the special lifting appliance of the mold to stop moving.
It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the invention are possible within the scope of the invention.
Claims (10)
1. The utility model provides a mould special lifting device with safety arrangement which characterized in that: four grapples (1) are arranged on a special lifting appliance for molds, each grapple (1) comprises two parallel side plates (11), the lower end of each side plate (11) is provided with a hook body (12) bent upwards, two grabbing detection mechanisms (2) and clamping detection mechanisms (3) are arranged between the side plates (11), each grabbing detection mechanism (2) is arranged at the position of the corresponding hook body (12), each grabbing detection mechanism (2) comprises a grabbing installation shaft (21) fixedly arranged on each side plate (11), a grabbing installation shaft (21) sleeved outside the grabbing installation shaft (21) and wound around the grabbing rotation shaft (21) in a rotating mode, a first grabbing connecting rod (23) and a second grabbing connecting rod (24) which are arranged on the outer peripheral surface of the grabbing rotation shaft (22), and grabbing return springs (25) arranged on the second grabbing connecting rod (24) and the side plates (11), and two ends of the grabbing return rods are connected with each other, A grabbing photoelectric sensor (26) mounted on the side plate (11) and a grabbing blocking sheet (27) mounted on the first grabbing connecting rod (23), wherein after the first grabbing connecting rod (23) is pressed down, the grabbing blocking sheet (27) reflects light emitted by the grabbing photoelectric sensor (26) back to the grabbing photoelectric sensor (26); press from both sides tight detection mechanism (3) and set up in one side that hook body (12) of curb plate (11) are bent is located snatch the top of detection mechanism (2), press from both sides tight detection mechanism (3) and include: the clamping device comprises a first clamping connecting rod (31) which is in pin joint with the side plate (11), a second clamping connecting rod (32) of which one end is in pin joint with the first clamping connecting rod (31), a third clamping connecting rod (33) of which the other end is in pin joint with the other end of the second clamping connecting rod (32), a clamping return spring (34) of which two ends are respectively connected to the third clamping connecting rod (33) and the side plate (11), a clamping photoelectric sensor (35) installed on the side plate (11) and a clamping blocking sheet (36) installed on the second clamping connecting rod (32); the third clamping connecting rod (33) is pinned on the side plate (11); after the second clamping link (32) is pressed towards the inside of the side plate (11), the clamping stop sheet (36) reflects the light emitted by the clamping photoelectric sensor (35) back to the clamping photoelectric sensor (35).
2. The special lifting appliance with the safety protection device for the mold according to claim 1, wherein: also comprises an anti-collision detection mechanism (4) arranged at the opposite side of the hook body (12), the anti-collision detection mechanism (4) comprises a first anti-collision connecting rod (41) which is in pin joint with the side plate (11), a second anti-collision connecting rod (42) of which one end is in pin joint with the first anti-collision connecting rod (41), a third anti-collision connecting rod (43) of which one end is in pin joint with the second anti-collision connecting rod (42), an anti-collision reset spring (46) of which the two ends are respectively connected with the second anti-collision connecting rod (42) and the side plate (11), an anti-collision photoelectric sensor (44) which is arranged on the side plate (11) and an anti-collision baffle plate (45) which is arranged on the second anti-collision connecting rod (42, after the second anti-collision connecting rod (42) is pressed towards the interior of the side plate (11), the anti-collision baffle sheet (45) reflects the light emitted by the anti-collision photoelectric sensor (44) back to the anti-collision photoelectric sensor (44).
3. The special lifting appliance with the safety protection device for the mold according to claim 1, wherein: the grabbing blocking sheet (27) is installed on the lower side of the first grabbing connecting rod (23), and the grabbing photoelectric sensor (26) is located on the lower side of the first grabbing connecting rod (23).
4. The special lifting appliance with the safety protection device for the mold according to claim 1, wherein: in the non-grabbing state of the grabbing hook (1), the second clamping connecting rod (32) protrudes outwards to the outer side of the side plate (11) with the hook body (12).
5. The special lifting appliance with the safety protection device for the mold according to claim 2, wherein: when the grabbing hook (1) is not collided with other objects on the side opposite to the hook body (12), the second collision connecting rod protrudes outwards to the outer side of the side plate (11) opposite to the hook body (12).
6. The special lifting appliance with the safety protection device for the mold according to claim 2, wherein: one end of the third clamping connecting rod (33) is in pin joint with the second clamping connecting rod (32), the middle part of the third clamping connecting rod is in pin joint with the side plate (11), and the other end of the third clamping connecting rod is connected with the clamping return spring (34).
7. The special lifting appliance with the safety protection device for the mold according to claim 2, wherein: the special lifting appliance for the mould comprises two parallel grab hook assemblies, wherein each grab hook assembly comprises a cross beam (5) and two opposite grab hooks (1) moving along the cross beam (5).
8. A spreader for use with a die having a safety guard according to any one of claims 2 to 7, wherein: the grabbing photoelectric sensor (26), the clamping photoelectric sensor (35) and the anti-collision photoelectric sensor (44) are all BOS R01E series photoelectric sensors of BALLUFF.
9. The utility model provides a special crane of mould which characterized in that: comprising the mold specific spreader and controller (6) of claim 2, the grabbing photosensor (26), the clamping photosensor (35), and the anti-collision photosensor (44) all being electrically connected to the controller (6).
10. The hoisting method of the special crane for the mold is characterized in that: the method comprises the following steps:
s1, the controller (6) controls the grapple (1) to be close to a lifting pin shaft of the mold, the lifting pin shaft gradually presses the second clamping connecting rod (32) after touching the lower end of the second clamping connecting rod (32), the second clamping connecting rod (32) rotates until the clamping blocking piece (36) reflects light emitted by the clamping photoelectric sensor (35) back to the clamping photoelectric sensor (35), the clamping photoelectric sensor (35) sends an electric signal to the controller (6) to represent that the grapple (1) clamps the lifting pin shaft, and the controller (6) receives signals sent by the four clamping photoelectric sensors (35) and clamping the lifting pin shaft;
s2, the controller (6) controls the lifting appliance special for the mold to slightly move upwards, so that the lifting pin shaft downwards presses the first grabbing connecting rod (23), the first grabbing connecting rod (23) rotates until the grabbing blocking piece (27) reflects light emitted by the grabbing photoelectric sensor (26) back to the grabbing photoelectric sensor (26), the grabbing photoelectric sensor (26) sends an electric signal to the controller (6) to represent that the grabbing hook (1) accurately grabs the lifting pin shaft until the controller (6) receives signals sent by the four grabbing photoelectric sensors (26) to accurately grab the lifting pin shaft, and the mold is lifted by a special mold crane;
s3, when the special mould crane releases the mould, firstly, the grapple (1) is slightly downward put, so that the four grabbing photoelectric sensors (26) are ensured to have no electric signals to be sent to the controller (6), then the controller (6) controls the grapple (1) to release the hoisting pin shaft, and the four clamping photoelectric sensors (35) are ensured to have no electric signals to be sent to the controller (6) to release all the grapples (1); if an obstacle presses the second anti-collision connecting rod (42), the anti-collision blocking sheet (45) reflects light emitted by the anti-collision photoelectric sensor (44) back to the anti-collision photoelectric sensor (44), and the controller (6) controls the special lifting appliance of the mold to stop moving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964833.2A CN110683453A (en) | 2019-10-11 | 2019-10-11 | Special lifting appliance with safety protection device for mold, crane and lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964833.2A CN110683453A (en) | 2019-10-11 | 2019-10-11 | Special lifting appliance with safety protection device for mold, crane and lifting method |
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| Publication Number | Publication Date |
|---|---|
| CN110683453A true CN110683453A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910964833.2A Pending CN110683453A (en) | 2019-10-11 | 2019-10-11 | Special lifting appliance with safety protection device for mold, crane and lifting method |
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| CN (1) | CN110683453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320339A (en) * | 2021-01-06 | 2021-02-05 | 弥费实业(上海)有限公司 | Storage system |
-
2019
- 2019-10-11 CN CN201910964833.2A patent/CN110683453A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320339A (en) * | 2021-01-06 | 2021-02-05 | 弥费实业(上海)有限公司 | Storage system |
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