CN218201855U - Safety height limiting device for hoisting machinery - Google Patents

Abstract

The utility model discloses a high stop device of hoist machinery safety relates to hoist machinery technical field, specifically is a high stop device of hoist machinery safety, including the mounting panel, the lower fixed surface of mounting panel is connected with the guide way, and the quantity of guide way is two, and two guide way symmetric distributions are at the both ends of mounting panel lower surface, and the side of guide way is pegged graft and is had the connection picture peg, is equipped with coupling mechanism on the guide way. This high stop device of hoist machinery safety, through the mounting panel, the guide way, connect the picture peg, the early warning groove, the early warning trigger bar, lift by crane the perforation, wire rope, the lifting hook, the cooperation setting of coupling mechanism and push-up plate, the in-process that uses can indicate the staff to slow down the speed of lifting in advance, or stop before reaching safety height and continue to rise, if still need continue to rise, push-up plate promotion early warning trigger bar along with the rising of lifting hook, the inside spring shrink of early warning trigger bar compression can not influence the lifting hook and continue to rise.

Description

Safety height limiting device for hoisting machinery

Technical Field

The utility model relates to a hoisting machinery technical field specifically is hoist machinery safety height stop device.

Background

The hoisting machine is an engineering machine capable of carrying out operations such as material hoisting, transportation, loading and unloading, and is widely applied to hoisting operation and hoisting operation under working conditions such as construction sites, ports and docks, oil fields, railways, warehouses, wind power generation and the like, particularly bridge construction, power generation equipment installation, shipbuilding, wind generating set erection and the like. In recent years, with the rapid development of national economy, the crane plays an increasingly large role in various industries. The hoisting machinery becomes an important tool for reducing labor intensity and improving production efficiency, and the improvement of the performance of the crane is more and more emphasized by people.

The safety height limiting device of the existing hoisting machinery does not have the capability of early warning when in use, a lifting hook instantly stops lifting after touching the safety height limiting device, the weight at the bottom can temporarily rise under the action of inertia, and the safety height limiting device can be collided to influence the service life of the device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a hoist instrument safety height stop device has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hoist and mechanical safety height stop device, includes the mounting panel, the lower fixed surface of mounting panel is connected with the guide way, the quantity of guide way is two, two the guide way symmetric distribution is at the both ends of mounting panel lower surface, it has connection picture peg to peg graft in the side of guide way, be equipped with coupling mechanism on the guide way, both sides fixedly connected with early warning groove and locking groove respectively in the side of connection picture peg, it has the early warning trigger bar to peg graft in the bottom in early warning groove, it has the locking trigger bar to peg graft in the bottom of locking groove, the central point of mounting panel puts and is equipped with and lifts by crane the perforation, it has wire rope to lift by crane to run through in the perforation, wire rope's bottom is equipped with the lifting hook, push pedal on the both sides fixedly connected with of lifting hook, connection picture peg's bottom fixedly connected with buffer bracket, buffer bracket's bottom is equipped with buffer gear.

Optionally, the buffer bracket is the setting of L type, be equipped with the stiffening plate on the buffer bracket, the bottom butt of stiffening plate is at the upper surface of buffer bracket horizontal segment, the side butt of stiffening plate is at the upper surface of buffer bracket vertical segment, the top butt of stiffening plate is at the lower surface of connecting the picture peg.

Optionally, the cross-sectional shape of guide way is the concave type, connection picture peg is the multistage setting of buckling, the one end of connection picture peg is pegged graft in the guide way.

Optionally, the connection mechanism includes a connection mounting groove, a connection inserted bar is inserted in the connection mounting groove, the outer fixed surface of the connection inserted bar is connected with a reset push plate, and the outer surface of the connection inserted bar is sleeved with a connection spring.

Optionally, both ends of the connecting insertion rod all extend to the outer side of the connecting installation groove, and a connecting insertion hole in clearance fit with the connecting insertion rod is arranged in a position, corresponding to the connecting insertion rod, on the connecting insertion plate.

Optionally, the buffer mechanism comprises a buffer installation box, a buffer spring is fixedly connected to the top of the inner surface of the buffer installation box, a buffer plate is fixedly connected to the bottom of the buffer spring, and the position of the buffer plate corresponds to the position of the upper push plate.

Optionally, an early warning switch is arranged at the top of the inner surface of the early warning groove, the early warning switch is electrically connected with an alarm module in the control room of the hoisting machine through a wire, a stop switch is arranged at the top of the inner surface of the stop groove, and the stop switch is configured to trigger the hoisting machine to stop the hoisting action.

Optionally, the early warning trigger bar and the locking trigger bar are telescopic links, thrust springs are arranged in the early warning trigger bar and the locking trigger bar, and the early warning trigger bar and the locking trigger bar are fixedly connected with limiting plates at the tops of the early warning trigger bar and the locking trigger bar.

(III) advantageous effects

The utility model provides a high stop device of hoist machinery safety possesses following beneficial effect:

1. this high stop device of hoist machinery safety, through the mounting panel, the guide way, connect the picture peg, the early warning groove, the early warning trigger bar, lift by crane the perforation, wire rope, the lifting hook, the cooperation setting of coupling mechanism and last push pedal, in-process that uses, the rising of lifting hook is when being close to the safety height, the last push pedal of lifting hook one side can upwards promote the early warning trigger bar, make it trigger the early warning switch, alarm module in the jack-up machine control room sends out the police dispatch newspaper this moment, the suggestion staff slows down the speed of lifting by crane in advance, or stop continuing to rise before reaching the safety height, if still need continue to rise, along with the rising of lifting hook push pedal promotion early warning trigger bar, the spring shrink of early warning trigger bar compression inside can not influence the lifting hook and continues to rise, the early warning effect has been played when guaranteeing that the lifting hook normally rises, when needs are dismantled, outwards stimulate the connection picture peg and make its one end take out from the jack, can take off the connection picture peg from the guide way and change this moment, ten minutes convenient and fast.

2. This high stop device of hoist machinery safety, through the mounting panel, the guide way, connect the picture peg, the locking groove, the locking trigger bar, lift by crane the perforation, wire rope, the lifting hook, go up the push pedal, buffer bracket and buffer gear's cooperation setting, install in hoist machinery's trolley bottom along with the mounting panel in the in-process of using, the accessible mounting bracket, conventional installation parts such as connecting plate adjust the high position of mounting panel, thereby make the lifting hook reach the safety restriction height when the stop switch is triggered, after reaching the safety restriction height, one side kickboard promotes the locking trigger bar, make the locking trigger bar trigger the stop switch, the action of continuing rising of stopping the lifting hook, because slow down the lifting hook in advance, it reduces to intersect in the ascending inertia of normal operating lifting hook to intersect, can reduce the damage that rigid collision brought, on the other hand, the push pedal can push the buffer board in the rising under the inertial action of lifting hook, make the buffer board compression buffer spring further buffering of marcing, thereby avoid direct collision to lead to the device to appear the phenomenon of damaging, effectual life that has prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic partial sectional view of the present invention;

FIG. 4 is a front sectional view of the guide groove of the present invention;

fig. 5 is a side view of the buffer mechanism of the present invention.

In the figure: 1. mounting a plate; 2. a guide groove; 3. connecting the plugboards; 301. connecting the jacks; 4. an early warning groove; 401. an early warning switch; 5. a stopper groove; 501. a stop switch; 6. an early warning trigger lever; 7. a stop trigger lever; 8. hoisting the through hole; 9. a wire rope; 10. a hook; 11. a push plate is arranged; 12. a buffer frame; 1201. a reinforcing plate; 13. a buffer mechanism; 1301. a buffer installation box; 1302. a buffer spring; 1303. a buffer plate; 14. a connecting mechanism; 1401. connecting the mounting groove; 1402. connecting the inserted rod; 1403. resetting the push plate; 1404. a spring is connected.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1 to 4, the present invention provides a technical solution: a safety height limiting device of hoisting machinery comprises a mounting plate 1, wherein the lower surface of the mounting plate 1 is fixedly connected with two guide grooves 2, the number of the guide grooves 2 is two, the two guide grooves 2 are symmetrically distributed at two ends of the lower surface of the mounting plate 1, the side surfaces of the guide grooves 2 are inserted with connecting plugboards 3, the cross section of each guide groove 2 is concave, each connecting plugboard 3 is in a multi-section bending arrangement, one end of each connecting plugboard 3 is inserted in each guide groove 2, each guide groove 2 is provided with a connecting mechanism 14, each connecting mechanism 14 comprises a connecting mounting groove 1401, a connecting plugbar 1402 is inserted in each connecting mounting groove 1401, the outer surface of each connecting plugbar 1402 is fixedly connected with a reset push plate 1403, the outer surface of each connecting plugbar 1402 is sleeved with a connecting spring 1404, and two ends of each connecting plugbar 1402 extend to the outer side of each connecting mounting groove 1401, the position that corresponds with connecting inserted bar 1402 on the connection picture peg 3 is equipped with and clearance fit's connect jack 301, the side of both sides connection picture peg 3 is fixedly connected with early warning groove 4 and detent 5 respectively, the top of the 4 internal surfaces in early warning groove is equipped with early warning switch 401, early warning switch 401 passes through wire and the interior alarm module electric connection of jack-up machine control room, the bottom of early warning groove 4 is pegged graft and is had early warning trigger bar 6, early warning trigger bar 6 is the telescopic link setting, be equipped with thrust spring in the early warning trigger bar 6, and the central point of the top fixedly connected with limiting plate mounting panel 1 of early warning trigger bar 6 puts and is equipped with and lifts by crane perforation 8, it has wire rope 9 to lift by crane to run through in the perforation 8, wire rope 9's bottom is equipped with lifting hook 10, lifting hook 10's both sides fixedly connected with push pedal 11.

In use, lifting hook 10 rises to when being close to safe height, the last push pedal 11 of lifting hook 10 one side can upwards promote early warning trigger bar 6, make it trigger early warning switch 401, alarm module in the jack-up mechanical control room sends out the police dispatch newspaper this moment, the suggestion staff slows down the speed of lifting in advance, or stop before reaching safe height and continue rising, if still need continue to rise, along with lifting hook 10 rise to push pedal 11 and promote early warning trigger bar 6, early warning trigger bar 6 compresses inside spring shrink and can not influence lifting hook 10 and continue to rise, the early warning effect has been played in guaranteeing that lifting hook 10 normally rises, when needs are dismantled, outside pulling connection inserted bar 1402 makes its one end take out from jack 301, can take off connection inserted bar 3 from guide way 2 this moment and change, very convenient and fast.

Example 2

Referring to fig. 1, fig. 2 and fig. 5, the present invention provides a technical solution: hoisting machinery safety height limiting device, including mounting panel 1, the lower fixed surface of mounting panel 1 is connected with guide way 2, the quantity of guide way 2 is two, two guide way 2 symmetric distribution are at the both ends of mounting panel 1 lower surface, the side of guide way 2 is pegged graft and is connected picture peg 3, the side of both sides connection picture peg 3 is fixedly connected with early warning groove 4 and locking groove 5 respectively, the top of locking groove 5 internal surface is equipped with stop switch 501, stop switch 501 is configured to trigger the back hoisting machinery and stops the action, locking trigger bar 7 is pegged graft to the bottom of locking groove 5, locking trigger bar 7 is the telescopic link setting, be equipped with thrust spring in locking trigger bar 7, and the top fixedly connected with limiting plate of locking trigger bar 7 in advance, the central point of mounting panel 1 is equipped with lifts by crane perforation 8, lift by crane perforation 8 in-pass through wire rope 9, the bottom of wire rope 9 is equipped with lifting hook 10, the both sides fixedly connected with upper push pedal 11 of lifting hook 10, the bottom fixedly connected with buffer frame 12 of connection picture peg 3, buffer frame 12 is the L type setting, be equipped with reinforcing plate 1201 on buffer frame 12, the bottom fixedly connected with buffering mechanism 13 of buffer box 13, the lower surface of buffer 13 is connected with buffering mechanism 1302 of buffer box 13, the upper surface that the bottom is connected with the buffering mechanism 13 that the buffering push pedal 13 is connected with the buffering mechanism 13, the buffering mechanism 13.

In use, along with the installation of the installation plate 1 at the bottom of a crane trolley of a hoisting machine, the height position of the installation plate 1 can be adjusted through the installation frame, a connecting plate and other conventional installation parts, so that the hook 10 reaches the safety limit height when the stop switch 501 is triggered, after the safety limit height is reached, the push plate 11 on one side pushes the stop trigger rod 7, the stop trigger rod 7 triggers the stop switch 501, and the continuous rising action of the hook 10 is stopped.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a high stop device of hoist and mechanics safety, includes mounting panel (1), its characterized in that: the lower fixed surface of mounting panel (1) is connected with guide way (2), the quantity of guide way (2) is two, two guide way (2) symmetric distribution is at the both ends of mounting panel (1) lower surface, it has connection picture peg (3) to peg graft in the side of guide way (2), be equipped with coupling mechanism (14) on guide way (2), both sides the side difference fixedly connected with early warning groove (4) and locking groove (5) of connection picture peg (3), peg graft in the bottom of early warning groove (4) and have early warning trigger bar (6), peg graft in the bottom of locking groove (5) and have locking trigger bar (7), the central point of mounting panel (1) puts and is equipped with and lifts by crane perforation (8), it has wire rope (9) to lift by crane perforation (8) interior to run through, the bottom of wire rope (9) is equipped with lifting hook (10), push pedal (11) on the both sides fixedly connected with of lifting hook (10), the bottom fixedly connected with buffer frame (12) of connection picture peg (3), the bottom of buffer frame (12) is equipped with buffer mechanism (13).

2. The safety height limiting device for hoisting machinery as claimed in claim 1, wherein: buffer frame (12) are the setting of L type, be equipped with stiffening plate (1201) on buffer frame (12), the bottom butt of stiffening plate (1201) is at the upper surface of buffer frame (12) horizontal segment, the side butt of stiffening plate (1201) is at the upper surface of buffer frame (12) vertical section, the top butt of stiffening plate (1201) is at the lower surface of connecting picture peg (3).

3. The safety height limiting device for hoisting machinery as claimed in claim 1, wherein: the cross-sectional shape of guide way (2) is the concave type, connection picture peg (3) are the multistage setting of buckling, the one end of connection picture peg (3) is pegged graft in guide way (2).

4. The safety height limiting device for hoisting machinery as claimed in claim 1, wherein: the connecting mechanism (14) comprises a connecting installation groove (1401), a connecting inserted bar (1402) is inserted into the connecting installation groove (1401), a reset push plate (1403) is fixedly connected to the outer surface of the connecting inserted bar (1402), and a connecting spring (1404) is sleeved on the outer surface of the connecting inserted bar (1402).

5. A lifting machine safety height limiting device as claimed in claim 4, wherein: both ends of the connecting insert rod (1402) extend to the outer side of the connecting installation groove (1401), and a connecting insertion hole (301) in clearance fit with the connecting insert rod (1402) is formed in the position, corresponding to the connecting insert rod (1402), of the connecting insert plate (3).

6. The safety height limiting device for hoisting machinery as claimed in claim 1, wherein: the buffer mechanism (13) comprises a buffer installation box (1301), a buffer spring (1302) is fixedly connected to the top of the inner surface of the buffer installation box (1301), a buffer plate (1303) is fixedly connected to the bottom of the buffer spring (1302), and the position of the buffer plate (1303) corresponds to the position of the upper push plate (11).

7. The safety height limiting device for hoisting machinery as claimed in claim 1, wherein: the top of the inner surface of the early warning groove (4) is provided with an early warning switch (401), the early warning switch (401) is electrically connected with an alarm module in a hoisting machinery control room through a lead, the top of the inner surface of the stopping groove (5) is provided with a stopping switch (501), and the stopping switch (501) is configured to trigger the hoisting machinery to stop hoisting.

8. The safety height limiting device for hoisting machinery as claimed in claim 1, wherein: early warning trigger bar (6) are the telescopic link setting with locking trigger bar (7), all be equipped with thrust spring in early warning trigger bar (6) and locking trigger bar (7), just the equal fixedly connected with limiting plate in top of early warning trigger bar (6) and locking trigger bar (7).

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