CN217458535U - Lifting hook bridge crane with safety protection function - Google Patents
Lifting hook bridge crane with safety protection function Download PDFInfo
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- CN217458535U CN217458535U CN202221675022.4U CN202221675022U CN217458535U CN 217458535 U CN217458535 U CN 217458535U CN 202221675022 U CN202221675022 U CN 202221675022U CN 217458535 U CN217458535 U CN 217458535U
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Abstract
The utility model provides a lifting hook bridge crane with safety protection function. Hook bridge crane with safety protection function includes: the crane comprises a first bridge and a second bridge, wherein the two ends of the first bridge and the two ends of the second bridge are erected on a walking track through power wheel sets, a first track box is installed on the first bridge, a lifting assembly is arranged in the first track box, a second track box is installed on the second bridge, a cab is installed at the bottom of the second track box, and a connecting mechanism is arranged between the first bridge and the second bridge. The utility model provides a lifting hook bridge crane with safety protection function is through setting up first crane span structure and the second crane span structure that connects through coupling mechanism, and the first track case that will hoist and mount goods respectively separates the installation with the driver's cabin, can improve the security of driver's cabin, ensures driver's personal safety.
Description
Technical Field
The utility model relates to a bridge crane technical field especially relates to a lifting hook bridge crane with safety protection function.
Background
The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity. A bridge crane, also called crown block, runs on an elevated track. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, and the trolley runs transversely along the rails laid on the bridge frame to form a rectangular working range, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. Such cranes are widely used in warehouses, factories, docks, open storage yards and the like, and the cab is generally located below the bridge.
The existing file with the authorization notice number CN 204569199U discloses a hook bridge crane with a safety protection function, and a broken steel wire rope can be emergently braked through an emergency brake, so that a heavy object is prevented from falling, and potential safety hazards are eliminated.
The existing part of bridge crane adopts the design similar to the scheme, the cab is installed at the bottom of the bridge and moves along with the bridge, but the safety protection measures for the cab are less, and once the bridge collapses, operators in the cab can fall along with the bridge and the cab, so that casualty accidents of the drivers are caused.
Therefore, it is necessary to provide a hook bridge crane with safety protection function to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a lifting hook bridge crane with safety protection function, can improve the security of driver's cabin, ensure driver's personal safety.
In order to solve the technical problem, the utility model provides a lifting hook bridge crane with safety protection function, include: first crane span structure and second crane span structure, first crane span structure with the both ends of second crane span structure are all erect on the walking track through power wheel group, and power wheel group passes through motor drive, install first track case on the first crane span structure, first track case can be through the power component sideslip on first crane span structure, first track incasement is equipped with lifts by crane the subassembly, lifts by crane the subassembly and includes the motor, receive reel, wire rope and lifting hook, install second track case on the second crane span structure, the sideslip is realized through power component to the second track case, and power component is by motor drive, the driver's cabin is installed to the bottom of second track case, first crane span structure with be equipped with coupling mechanism between the second crane span structure, coupling mechanism is elastic connection, can deform or even fracture when the atress is great.
Preferably, the connecting mechanism comprises a first connecting sleeve and a second connecting sleeve, the first connecting sleeve and the second connecting sleeve are respectively connected with the corresponding power wheel sets, the first connecting sleeve and the second connecting sleeve are connected through a plurality of connecting rods, the connecting rods are made of elastic materials, and can be stretched when stressed and break when reaching the limit.
Preferably, a connector is installed in the second connecting sleeve, an electric push rod is arranged on one side of the connector, and an output shaft of the electric push rod is movably connected with the connector.
Preferably, an electromagnet is installed in the first connecting sleeve, a reset spring is sleeved on the electromagnet, and when the electromagnet is powered off, the reset spring extends to reset and pushes the connecting head to return to the second connecting sleeve.
Preferably, the synchronizing bar is installed at the top of second track case, two dwangs are installed at the top of first track case, and two dwangs press from both sides the synchronizing bar in the centre, and then make the synchronous sideslip of first track case and second track case, one side of synchronizing bar is equipped with the inductor, and when first track case falls, because the dwang is taken at the top of second track case, and then makes dwang rotation portion trigger inductor send signal.
Preferably, the below of first crane span structure is equipped with the cat ladder of installing the protection network, and the cat ladder is installed on the workshop lateral wall, and personnel get into the driver's cabin through climbing the cat ladder.
Compared with the prior art, the utility model provides a lifting hook bridge crane with safety protection function has following beneficial effect:
(1) the first track box and the cab which are connected through the connecting mechanism are separately installed through the first bridge and the second bridge, so that the safety of the cab can be improved, and the personal safety of a driver is guaranteed.
(2) The first bridge frame and the second bridge frame can be connected through the connecting mechanism comprising the first connecting sleeve, the second connecting sleeve, the connecting rod, the electric push rod, the connector, the electromagnet, the reset spring, the inductor, the synchronizing rod and the rotating rod, the first bridge frame and the second bridge frame are separated in time, and the falling of the first bridge frame is prevented from affecting the safety of the second bridge frame.
(3) The crawling ladder provided with the protective net is convenient for people to enter and exit the cab.
Drawings
Fig. 1 is a schematic structural view of a hook bridge crane with a safety protection function provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of a connecting mechanism in the hook bridge crane with the safety protection function shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a first bridge frame, 2, a second bridge frame, 3, a power wheel set, 4, a walking track, 5, a first track box, 6, a second track box, 7, a cab, 8, a connecting mechanism, 9, a first connecting sleeve, 10, a second connecting sleeve, 11, a connecting rod, 12, an electric push rod, 13, a connector, 14, an electromagnet, 15, a return spring, 16, a ladder stand, 17, a synchronizing rod, 18, a rotating rod, 19 and an inductor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Example 1:
referring to fig. 1-3, in an embodiment of the present invention, a hook bridge crane with safety protection function includes: the crane comprises a first bridge frame 1 and a second bridge frame 2, wherein two ends of the first bridge frame 1 and two ends of the second bridge frame 2 are erected on a walking track 4 through power wheel sets 3, the walking track 4 is arranged on the side wall of a workshop, the power wheel sets 3 are driven by a motor, a first track box 5 is installed on the first bridge frame 1, the first track box 5 can transversely move on the first bridge frame 1 through a power assembly, a hoisting assembly is arranged in the first track box 5 and comprises a motor, a winding drum, a steel wire rope and a lifting hook, a second track box 6 is installed on the second bridge frame 2, the second track box 6 transversely moves through the power assembly, the power assembly is driven by the motor, a cab 7 is installed at the bottom of the second track box 6, a connecting mechanism 8 is arranged between the first bridge frame 1 and the second bridge frame 2, the connecting mechanism 8 is in elastic connection and can deform or even break when the stress is large, during the use, the subassembly of lifting by crane lifts by crane the goods to along with first track case 5 and first crane span structure 1 remove, second crane span structure 2 passes through coupling mechanism 8 synchronous motion, when first crane span structure 1 takes place to collapse or fall, coupling mechanism 8 between first crane span structure 1 and the second crane span structure 2 can split, make falling of first crane span structure 1 can not influence second crane span structure 2, and then the safety of protection second crane span structure 2 prevents falling of driver's cabin 7, guarantee driver's personal safety.
Through setting up first crane span structure 1 and the second crane span structure 2 of connecting through coupling mechanism 8, separately install the first track case 5 and the driver's cabin 7 of hoist and mount goods respectively, can improve the security of driver's cabin, ensure driver's personal safety.
Example 2:
as shown in fig. 1-3, the connecting mechanism 8 includes a first connecting sleeve 9 and a second connecting sleeve 10, the first connecting sleeve 9 and the second connecting sleeve 10 are respectively connected with the corresponding power wheel set 3, the first connecting sleeve 9 is connected with the second connecting sleeve 10 through a plurality of connecting rods 11, the connecting rods 11 are made of elastic materials, and can be stretched when stressed, and can be broken when reaching a limit, a connecting head 13 is installed in the second connecting sleeve 10, an electric push rod 12 is arranged on one side of the connecting head 13, an output shaft of the electric push rod 12 is movably connected with the connecting head 13, an electromagnet 14 is installed in the first connecting sleeve 9, a return spring 15 is sleeved on the electromagnet 14, when the electromagnet 14 is powered off, the return spring 15 extends to return and pushes the connecting head 13 to the second connecting sleeve 10, a synchronizing rod 17 is installed at the top of the second track box 6, two rotating rods 18 are installed at the top of the first track box 5, the two rotating rods 18 clamp the synchronizing rod 17 in the middle, so that the first track box 5 and the second track box 6 are synchronously and transversely moved, an inductor 19 is arranged on one side of the synchronizing rod 17, when the first track box 5 falls, the rotating rods 18 are put on the top of the second track box 6, so that the rotating part of the rotating rods 18 triggers the inductor 19 to send a signal, when the first track box is used, the electric push rod 12 and the electromagnet 14 are started, the electric push rod 12 is started to enable the connector 13 to enter the first connecting sleeve 9 and be sucked by the electromagnet 14, then the electric push rod 12 is started to enable the output shaft of the connector to be shortened and reset, so that the first connecting sleeve 9 and the second connecting sleeve 10 are connected more stably, when the first bridge 1 falls, the first track box 5 descends, so that the rotating rods 18 rotate, the triggering inductor 19 sends a corresponding signal to the PLC, and the PLC controls the electromagnet 14 to be powered off, under the action of the return spring 15, the connector is pushed back into the second connecting sleeve 10, when the first bridge frame 1 falls, the power wheel set 3 can fall along with the first bridge frame, and when the power wheel set 3 falls, the connecting rod 11 can be stretched and broken, so that the first bridge frame 1 and the second bridge frame 2 are separated.
Through the setting of the connecting mechanism comprising the first connecting sleeve 9, the second connecting sleeve 10, the connecting rod 11, the electric push rod 12, the connector 13, the electromagnet 14, the reset spring 15, the inductor 19, the synchronizing rod 17 and the rotating rod 18, the first bridge frame 1 can be connected with the second bridge frame 2, the first bridge frame 1 is separated from the second bridge frame 2 timely, and the falling of the first bridge frame 1 is prevented from affecting the safety of the second bridge frame 2.
Example 3:
as shown in fig. 1, a ladder 16 provided with a protective net is arranged below the first bridge 1, the ladder is arranged on the side wall of the workshop, and people enter the cab 7 through the climbing ladder 16.
The safety of personnel entering and exiting the cab 7 is facilitated by the arrangement of the ladder 16 provided with the protective net.
The utility model provides a lifting hook bridge crane with safety protection function's theory of operation as follows:
firstly, the electric push rod 12, the electromagnet 14 and the inductor 19 are all connected with the PLC;
starting the electric push rod 12 and the electromagnet 14, starting the electric push rod 12 to enable the connector 13 to enter the first connecting sleeve 9 and be sucked by the electromagnet 14, then starting the electric push rod 12 to enable the output shaft of the electric push rod to shorten and reset, enabling the first connecting sleeve 9 to be connected with the second connecting sleeve 10 more stably, and further enabling the first bridge frame 1 to be connected with the second bridge frame 2 stably;
a hoisting assembly is arranged in the first track box 5, and the hoisting assembly comprises a motor, a winding drum, a steel wire rope and a lifting hook and is used for hoisting goods;
the two rotating rods 18 clamp the synchronous rod 17 in the middle, so that the first track box 5 and the second track box 6 move transversely synchronously;
when the first bridge frame 1 falls, the first rail box 5 descends along with the first rail box, the rotating rod 18 rotates, the trigger sensor 19 sends a corresponding signal to the PLC, the PLC controls the electromagnet 14 to be powered off, the connector is pushed back into the second connecting sleeve 10 under the action of the reset spring 15, the power wheel set 3 can fall along with the first bridge frame 1 when the first bridge frame 1 falls, the connecting rod 11 can be stretched and broken when the power wheel set 3 falls, the first connecting sleeve 9 is separated from the second connecting sleeve 10, the first bridge frame 1 is separated from the second bridge frame 2, the first bridge frame 1 is prevented from falling to affect the safety of the second bridge frame 2, the cab 7 is prevented from falling, and the personal safety of a driver is guaranteed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a lifting hook bridge crane with safety protection function which characterized in that includes:
first crane span structure (1) and second crane span structure (2), first crane span structure (1) with the both ends of second crane span structure (2) are all erect on walking track (4) through power wheelset (3), install first track case (5) on first crane span structure (1), be equipped with in first track case (5) and lift by crane the subassembly, install second track case (6) on second crane span structure (2), driver's cabin (7) are installed to the bottom of second track case (6), first crane span structure (1) with be equipped with coupling mechanism (8) between second crane span structure (2).
2. A hook bridge crane with safety protection according to claim 1, characterized in that the connection mechanism (8) comprises a first connection sleeve (9) and a second connection sleeve (10), the first connection sleeve (9) and the second connection sleeve (10) are respectively connected with the corresponding power wheel set (3), and the first connection sleeve (9) and the second connection sleeve (10) are connected through a plurality of connection rods (11).
3. A hook bridge crane with safety protection function as claimed in claim 2, wherein the second connecting sleeve (10) is internally provided with a connecting head (13), and one side of the connecting head (13) is provided with an electric push rod (12).
4. A hook bridge crane with safety protection function according to claim 2, characterized in that an electromagnet (14) is installed in the first connecting sleeve (9), and a return spring (15) is sleeved on the electromagnet (14).
5. A hook bridge crane with safety protection according to claim 1, characterized in that the top of the second track box (6) is equipped with a synchronization bar, the top of the first track box (5) is equipped with two rotation bars (18), and one side of the synchronization bar is equipped with an inductor (19).
6. A hook bridge crane with safety protection function as claimed in claim 1, characterized in that a ladder (16) provided with a protective net is arranged below the first bridge frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675022.4U CN217458535U (en) | 2022-07-01 | 2022-07-01 | Lifting hook bridge crane with safety protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675022.4U CN217458535U (en) | 2022-07-01 | 2022-07-01 | Lifting hook bridge crane with safety protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217458535U true CN217458535U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221675022.4U Active CN217458535U (en) | 2022-07-01 | 2022-07-01 | Lifting hook bridge crane with safety protection function |
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| Country | Link |
|---|---|
| CN (1) | CN217458535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2022
- 2022-07-01 CN CN202221675022.4U patent/CN217458535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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