CN119637700A - Overweight-proof metal hook - Google Patents
Overweight-proof metal hook Download PDFInfo
- Publication number
- CN119637700A CN119637700A CN202510170754.XA CN202510170754A CN119637700A CN 119637700 A CN119637700 A CN 119637700A CN 202510170754 A CN202510170754 A CN 202510170754A CN 119637700 A CN119637700 A CN 119637700A
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- China
- Prior art keywords
- plate
- side wall
- wall
- rod
- sealing box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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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
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of hooks, in particular to an overweight-preventing metal hook which comprises a hook, a falling mechanism and a locking mechanism, wherein the hook is composed of a connecting plate, a cross rod and a hook, the side wall of the cross rod is rotationally connected with the lower end of the connecting plate, the side wall of the cross rod is fixedly connected with the upper end of the hook, the falling mechanism comprises a fixed frame, the side wall of the connecting plate is in sealed sliding connection with the inner bottom of the fixed frame, the lower end, close to the cross rod, of the fixed frame is fixedly connected with a first sealing box, and the inner bottom of the first sealing box is in threaded connection with a threaded rod. When the weight of the material exceeds the load weight of the hook, the threaded cylinder drives the vertical rod and the rectangular rod to rotate forwards through the first bevel gear and the second bevel gear, the threaded rod is driven to rotate forwards, the threaded rod is enabled to rotate and separate from the threaded hole, the first T-shaped plate moves and is separated from the clamping groove, and at the moment, the hook directly rotates downwards under the action of gravity, so that the hook can not hoist the material.
Description
Technical Field
The invention relates to the technical field of hooks, in particular to an overweight-preventing metal hook.
Background
The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, and when the crane lifts and carries materials, the crane is usually lifted by a metal hook.
Because the metal hook has certain load weight, and then in order to guarantee the security of metal hook behind the material hoist, need the hoist weight control to the material, although can be equipped with pressure sensor and alarm on the metal hook among the prior art, when the material hoist weight overweight, the alarm can sound this moment, remind the staff to the material subtracts heavy processing, but in actual operation in-process, the staff often embraces the mind of getting good luck, under the overweight condition of material, still carry out the hoist operation of material, load weight on the metal hook is great, lead to metal hook deformation even fracture easily, lead to the material to drop from the high altitude, factor of safety is low.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an overweight-preventing metal hook.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an overweight-preventing metal hanger comprising:
The hook comprises a connecting plate, a cross rod and a hook, wherein the side wall of the cross rod is rotationally connected with the lower end of the connecting plate, and the side wall of the cross rod is fixedly connected with the upper end of the hook;
The falling mechanism comprises a fixed frame, the side wall of the connecting plate is in sealing sliding connection with the bottom in the fixed frame, the lower end of the fixed frame, which is close to the cross rod, is fixedly connected with a first sealing box, a threaded rod is connected with the bottom in the first sealing box in a threaded manner, the side wall of the threaded rod is in threaded connection with the side wall of the connecting plate, a threaded hole is formed in the upper end of the hook, the side wall of the threaded rod is in threaded connection with the inner wall of the threaded hole, a first plate is fixedly connected with the inner wall of the first sealing box, a vertical rod is connected with the side wall of the first plate in a rotating manner, a rectangular rod is fixedly connected with the lower end of the vertical rod, a square groove is formed in the upper end of the threaded rod, and the side wall of the rectangular rod is attached to the inner wall of the square groove.
Preferably, the protection mechanism is arranged on the connecting plate and comprises a protection plate which is rotationally connected to the side wall of the connecting plate through a rotating shaft, the lower end of the protection plate is elastically connected with the side wall of the connecting plate through a plurality of first springs, and the side wall of the connecting plate below the protection plate is fixedly connected with a baffle plate.
Preferably, the fixed frame is provided with an extrusion mechanism, the extrusion mechanism comprises a second sealing box fixedly connected with the fixed frame and far away from the lower end of the cross rod, a second plate is connected to the inner wall of the second sealing box in a sealing sliding manner, the lower end of the second plate is elastically connected with the inner bottom of the second sealing box through a plurality of second springs, the lower end of the second plate is fixedly connected with a sliding plate, the lower end of the sliding plate penetrates through the inner bottom of the second sealing box, and the lower end of the sliding plate is rotationally connected with the upper end of the protection plate through a rotating plate.
Preferably, the inner wall of the fixed frame is connected with a third plate in a sealing sliding manner, the lower end of the third plate is elastically connected with the inner bottom of the fixed frame through a plurality of third springs, the lower end of the third plate is fixedly connected with the upper end of the connecting plate, hydraulic oil is arranged in the fixed frame, and the inner bottom of the fixed frame is communicated with the inner top of the second sealed box through a first pipe.
Preferably, the driving mechanism is arranged in the first sealing box and comprises a fourth plate which is connected to the inner wall of the first sealing box in a sealing sliding manner, the side wall of the fourth plate, which is far away from the threaded rod, is elastically connected with the inner wall of the first sealing box through a plurality of fourth springs, the side wall of the first sealing box, which is close to the threaded rod, is rotationally connected with a threaded cylinder, the inner wall of the threaded cylinder is in threaded connection with a blessing rod, and one end, which is far away from the threaded cylinder, of the blessing rod is fixedly connected with the side wall of the fourth plate.
Preferably, the side wall of the threaded cylinder is fixedly connected with a first bevel gear, the upper end of the vertical rod is fixedly connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.
Preferably, the inner wall of the second sealing box above the second plate is communicated with the inner wall of the first sealing box, which is close to the fourth spring, through a one-way oil inlet pipe, the inner wall of the second sealing box above the second plate is communicated with the inner wall of the first sealing box, which is close to the fourth spring, through a return pipe, a pressure valve is arranged in the one-way oil inlet pipe, and a manual regulating valve is arranged in the return pipe.
Preferably, the clamping mechanism is arranged on the cross rod and comprises a groove formed in the side wall of the cross rod, which is close to the connecting plate, a first T-shaped plate is connected to the inner wall of the groove in a sealing sliding mode, a clamping groove is formed in the side wall of the connecting position of the connecting plate and the cross rod, and the inner wall of the clamping groove is attached to the side wall of the first T-shaped plate.
Preferably, the first seal box is close to the inside wall fixedly connected with pump oil frame of fourth spring, pump oil frame inner wall sealing sliding connection has the second T template, second T template lateral wall and fourth board lateral wall fixed connection, be equipped with hydraulic oil in the pump oil frame, pump oil frame inner wall communicates with the recess inner wall through the second pipe.
Preferably, the fixed frame upper end fixedly connected with mounting panel, a plurality of mounting holes have been seted up to the mounting panel lateral wall.
Compared with the prior art, the invention has the advantages that:
1. After the material is lifted on the hooks, the hooks and the connecting plates drive the third plates to move downwards under the action of the weight of the material, hydraulic oil in the fixed frame is extruded into the second sealing box through the first pipe, and then the second plates are driven to move downwards, so that the second plates drive the protection plates to rotate downwards through the sliding plates and the rotating plates, the upper parts of the hooks are closed, and the separation of the material from the hooks in the lifting process is avoided.
2. Set up shedding mechanism, actuating mechanism and card establish the mechanism, when the load weight of material weight surpassing crotch, the screw thread section of thick bamboo is through first bevel gear and the forward rotation of second bevel gear drive montant and rectangular bar this moment, drive the forward rotation of threaded rod, make threaded rod rotate and screw hole separation, and first T template removes and draw-in groove separation, the crotch is direct down rotation under the action of gravity this moment, make the crotch can not hoist the material, avoid among the prior art staff often to embrace the psychology that gets in touch unfortunately, under the overweight condition of material, still carry out the hoist operation of material, make the load weight on the metal hook great, lead to metal hook deformation and fracture easily, lead to the material to drop from the high altitude, factor of safety is low.
3. The clamping mechanism is arranged, so that the threaded rod rotates to be in threaded connection with the threaded hole, and after the connecting plate and the hooks are reconnected, the first T-shaped plate can be inserted into the clamping groove, and the stability of connection between the connecting plate and the hooks is improved.
Drawings
FIG. 1 is a schematic structural view of an overweight-preventing metal hook according to the present invention;
FIG. 2 is a schematic view of the vertical cross-sectional structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the connecting plate, cross bar and hook of FIG. 1 after separation;
FIG. 5 is a schematic cross-sectional view of the unidirectional oil and return lines of FIG. 1;
FIG. 6 is an enlarged schematic view of the structure at B in FIG. 5;
FIG. 7 is an enlarged schematic view of the structure at C in FIG. 2;
FIG. 8 is a schematic view of the bottom structure of FIG. 4;
fig. 9 is an enlarged schematic view of the structure at D in fig. 8.
1, A connecting plate, 2, a cross rod, 3, a hook, 4, a fixed frame, 5, a first sealing box, 6, a threaded rod, 7, a threaded hole, 8, a first plate, 9, a vertical rod, 10, a rectangular rod, 11, a square groove, 12, a protection plate, 13, a first spring, 14, a baffle, 15, a second sealing box, 16, a second plate, 17, a second spring, 18, a sliding plate, 19, a rotating plate, 20, a third plate, 21, a third spring, 22, a first pipe, 23, a fourth plate, 24, a fourth spring, 25, a threaded cylinder, 26, a transfer rod, 27, a first bevel gear, 28, a second bevel gear, 29, a unidirectional oil inlet pipe, 30, a return pipe, 31, a pressure valve, 32, a manual adjusting valve, 33, a groove, 34, a first T-shaped plate, 35, a clamping groove, 36, a pump oil frame, 37, a second T-shaped plate, 38, a second pipe, 39 and a mounting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, an overweight-preventing metal hook comprises a hook, wherein the hook comprises a connecting plate 1, a cross rod 2 and a hook 3, the side wall of the cross rod 2 is rotationally connected with the lower end of the connecting plate 1, and the side wall of the cross rod 2 is fixedly connected with the upper end of the hook 3.
The falling mechanism comprises a fixed frame 4, the side wall of the connecting plate 1 is in sealing sliding connection with the inner bottom of the fixed frame 4, the upper end of the fixed frame 4 is fixedly connected with a mounting plate 39, a plurality of mounting holes are formed in the side wall of the mounting plate 39, and the overweight-preventing metal hook can be connected with an external crane through the mounting plate 39.
The fixed frame 4 is close to the lower extreme fixedly connected with first seal box 5 of horizontal pole 2, threaded connection has threaded rod 6 in the 5 inner bottom of first seal box, threaded rod 6 lateral wall and connecting plate 1 lateral wall threaded connection, threaded hole 7 (as shown in fig. 4) has been seted up to crotch 3 upper end, threaded rod 6 lateral wall and threaded hole 7 inner wall threaded connection, the first board 8 of 5 inner wall fixedly connected with of first seal box, first board 8 lateral wall rotation is connected with montant 9, montant 9 lower extreme fixedly connected with rectangular bar 10, square groove 11 has been seted up to threaded rod 6 upper end, rectangular bar 10 lateral wall and square groove 11 inner wall laminating (as shown in fig. 3).
When the side wall of the threaded rod 6 is in threaded connection with the inner wall of the threaded hole 7, the lower end of the connecting plate 1 is attached to the upper end of the hook 3 at the moment, and a complete metal hook is formed.
The protection mechanism is arranged on the connecting plate 1 and comprises a protection plate 12 which is rotationally connected to the side wall of the connecting plate 1 through a rotating shaft, the lower end of the protection plate 12 is elastically connected with the side wall of the connecting plate 1 through a plurality of first springs 13, and a baffle 14 is fixedly connected to the side wall of the connecting plate 1 below the protection plate 12 (shown in figure 2).
The fixed frame 4 is provided with an extrusion mechanism, the extrusion mechanism comprises a second sealing box 15 fixedly connected to the fixed frame 4 and far away from the lower end of the cross rod 2, the inner wall of the second sealing box 15 is in sealing sliding connection with a second plate 16, the lower end of the second plate 16 is elastically connected with the inner bottom of the second sealing box 15 through a plurality of second springs 17, the lower end of the second plate 16 is fixedly connected with a sliding plate 18, the lower end of the sliding plate 18 penetrates through the inner bottom of the second sealing box 15, and the lower end of the sliding plate 18 is in rotating connection with the upper end of the protection plate 12 through a rotating plate 19.
The inner wall of the fixed frame 4 is connected with a third plate 20 in a sealing sliding manner, the lower end of the third plate 20 is elastically connected with the inner bottom of the fixed frame 4 through a plurality of third springs 21, the lower end of the third plate 20 is fixedly connected with the upper end of the connecting plate 1, hydraulic oil is arranged in the fixed frame 4, and the inner bottom of the fixed frame 4 is communicated with the inner top of the second sealing box 15 through a first pipe 22.
After the material is lifted on the hook 3, at this moment, the hook 3 and the connecting plate 1 drive the third plate 20 to move downwards under the action of the weight of the material, hydraulic oil in the fixed frame 4 is extruded into the second sealing box 15 through the first pipe 22, and then the second plate 16 is driven to move downwards, so that the second plate 16 drives the protection plate 12 to rotate downwards through the sliding plate 18 and the rotating plate 19, the upper part of the hook 3 is closed, and the separation of the material from the hook 3 in the lifting process is avoided.
The driving mechanism is arranged in the first sealing box 5 and comprises a fourth plate 23 which is connected to the inner wall of the first sealing box 5 in a sealing sliding manner, the side wall of the fourth plate 23, which is far away from the threaded rod 6, is elastically connected with the inner wall of the first sealing box 5 through a plurality of fourth springs 24, the side wall of the first sealing box 5, which is close to the threaded rod 6, is rotationally connected with a threaded cylinder 25, the inner wall of the threaded cylinder 25 is in threaded connection with a blessing rod 26 (shown in figure 3), and one end, which is far away from the threaded cylinder 25, of the blessing rod 26 is fixedly connected with the side wall of the fourth plate 23.
The side wall of the thread cylinder 25 is fixedly connected with a first bevel gear 27, the upper end of the vertical rod 9 is fixedly connected with a second bevel gear 28, and the first bevel gear 27 is meshed with the second bevel gear 28.
The inner wall of the second sealing box 15 above the second plate 16 is communicated with the inner wall of the first sealing box 5 close to the fourth spring 24 through a one-way oil inlet pipe 29, the inner wall of the second sealing box 15 above the second plate 16 is communicated with the inner wall of the first sealing box 5 close to the fourth spring 24 through a return pipe 30 (shown in fig. 1 and 5), a pressure valve 31 is arranged in the one-way oil inlet pipe 29, and a manual adjusting valve 32 is arranged in the return pipe 30 (shown in fig. 6).
Further, the one-way oil feed pipe 29 allows only hydraulic oil to enter the first seal box 5 from the second seal box 15, while the return pipe 30 is closed during normal use of the hook 3.
The hydraulic oil in the fixed frame 4 is extruded into the second sealing box 15 through the first pipe 22, at the moment, the protection plate 12 rotates downwards to be attached to the side wall of the baffle plate 14, when the weight of materials does not exceed the load weight of the hook 3, the extrusion force received by the hydraulic oil does not reach the pressure value of the pressure valve 31, at the moment, the hydraulic oil in the second sealing box 15 cannot flow out through the unidirectional oil inlet pipe 29, and the connection plate 1 and the hook 3 cannot be separated;
When the weight of the material exceeds the weight of the load of the hook 3, the extrusion force received by the hydraulic oil reaches the pressure value of the pressure valve 31, the hydraulic oil in the second sealing box 15 flows into the first sealing box 5 through the unidirectional oil inlet pipe 29 at the moment, drives the fourth plate 23 to move leftwards (as shown in fig. 3), drives the riffle rod 26 to enter the thread cylinder 25, enables the thread cylinder 25 to rotate, and drives the vertical rod 9 and the rectangular rod 10 to rotate forwards through the first bevel gear 27 and the second bevel gear 28, drives the threaded rod 6 to rotate forwards, and enables the connecting plate 1 and the first sealing box 5 to be fixed in position at the moment, and the threaded rod 6 moves upwards while rotating in the connecting plate 1 and the first sealing box 5, so that the threaded rod 6 rotates to be separated from the threaded hole 7.
The cross rod 2 is provided with a clamping mechanism, the clamping mechanism comprises a groove 33 (shown in fig. 7) formed in the side wall of the cross rod 2, which is close to the connecting plate 1, the inner wall of the groove 33 is connected with a first T-shaped plate 34 in a sealing sliding manner, a clamping groove 35 (shown in fig. 9) is formed in the side wall of the connecting position of the connecting plate 1 and the cross rod 2, and the inner wall of the clamping groove 35 is attached to the side wall of the first T-shaped plate 34.
The first seal box 5 is close to the inside wall fixedly connected with pump oil frame 36 of fourth spring 24, and pump oil frame 36 inner wall sealing sliding connection has second T template 37, and second T template 37 lateral wall and fourth board 23 lateral wall fixed connection are equipped with hydraulic oil in the pump oil frame 36, and pump oil frame 36 inner wall communicates with recess 33 inner wall through second pipe 38.
When the fourth plate 23 moves leftwards (as shown in fig. 3), the second T-shaped plate 37 synchronously moves leftwards (as shown in fig. 3), and the oil pumping frame 36 absorbs hydraulic oil from the groove 33 through the second pipe 38, so that the first T-shaped plate 34 moves to be separated from the clamping groove 35, and then after the subsequent threaded rod 6 rotates to be separated from the threaded hole 7, the hook 3 directly rotates downwards under the action of gravity, so that the hook 3 can not lift materials, the situation that workers tend to hold the mind of getting in touch in the prior art is avoided, under the condition that the materials are overweight, the lifting operation of the materials is still carried out, the load weight on the metal hook is large, deformation and even fracture of the metal hook are easy to cause, the materials drop from high altitude, and the safety coefficient is low.
When the position of the hook 3 is required to be restored later, at this moment, a worker rotates the hook 3 firstly, so that the upper end of the hook 3 is attached to the lower end of the connecting plate 1, then rotates the manual adjusting valve 32, opens the return pipe 30, at this moment, under the elastic force of the plurality of first springs 13, second springs 17, third springs 21 and fourth springs 24, hydraulic oil in the first seal box 5 flows out through the return pipe 30 completely, so that the fourth plate 23 returns to the initial position, at this moment, the threaded cylinder 25 drives the vertical rod 9 and the rectangular rod 10 to reversely rotate through the first bevel gear 27 and the second bevel gear 28, drives the threaded rod 6 to reversely rotate, and the threaded rod 6 moves downwards in the connecting plate 1 and the first seal box 5 while rotating, so that the threaded rod 6 is in threaded connection with the threaded hole 7, and is reconnected between the connecting plate 1 and the hook 3, so that the subsequent use is facilitated, and at this moment, the first T-shaped plate 34 is opposite to the clamping groove 35;
at this time, the second T-shaped plate 37 returns to the initial position synchronously, hydraulic oil in the pump oil frame 36 is extruded into the groove 33 through the second pipe 38, and at this time, the first T-shaped plate 34 is inserted into the clamping groove 35, so that the stability of connection between the connecting plate 1 and the hook 3 is improved.
During the use process of the overweight-preventing metal hook, the overweight-preventing metal hook can be connected with an external crane through the mounting plate 39;
After the material is lifted on the hook 3, at the moment, the hook 3 and the connecting plate 1 drive the third plate 20 to move downwards under the action of the weight of the material, hydraulic oil in the fixed frame 4 is extruded into the second sealing box 15 through the first pipe 22, and then the second plate 16 is driven to move downwards, so that the second plate 16 drives the protection plate 12 to rotate downwards through the sliding plate 18 and the rotating plate 19, the upper part of the hook 3 is closed, the separation of the material from the hook 3 in the lifting process is avoided, and at the moment, the protection plate 12 can rotate downwards to be attached to the side wall of the baffle 14;
When the weight of the material does not exceed the load weight of the hook 3, the extrusion force of the hydraulic oil does not reach the pressure value of the pressure valve 31, the hydraulic oil in the second sealing box 15 does not flow out through the one-way oil inlet pipe 29, and the connecting plate 1 and the hook 3 are not separated;
When the weight of the material exceeds the load weight of the hook 3, the extrusion force of hydraulic oil reaches the pressure value of the pressure valve 31, hydraulic oil in the second sealing box 15 flows into the first sealing box 5 through the unidirectional oil inlet pipe 29 at the moment, drives the fourth plate 23 to move leftwards (as shown in fig. 3), drives the riffle rod 26 to enter the thread cylinder 25, so that the thread cylinder 25 rotates, and the thread cylinder 25 drives the vertical rod 9 and the rectangular rod 10 to rotate forwards through the first bevel gear 27 and the second bevel gear 28, drives the threaded rod 6 to rotate forwards, and the threaded rod 6 moves upwards in the connecting plate 1 and the first sealing box 5 while rotating, so that the threaded rod 6 rotates to be separated from the threaded hole 7;
Meanwhile, when the fourth plate 23 moves leftwards (as shown in fig. 3), the second T-shaped plate 37 synchronously moves leftwards (as shown in fig. 3), and the oil pumping frame 36 absorbs hydraulic oil from the groove 33 through the second pipe 38, so that the first T-shaped plate 34 moves to be separated from the clamping groove 35, and then after the subsequent threaded rod 6 rotates to be separated from the threaded hole 7, the hook 3 directly rotates downwards under the action of gravity, so that the hook 3 can not lift materials, the situation that workers tend to have a delight mind in the prior art is avoided, under the condition that the materials are overweight, the lifting operation of the materials is still carried out, the load weight on the metal hook is large, deformation and even fracture of the metal hook are easy to cause the materials to drop from high altitude, and the safety coefficient is low;
When the position of the hook 3 is required to be restored subsequently, at this time, a worker rotates the hook 3 first, so that the upper end of the hook 3 is attached to the lower end of the connecting plate 1, then rotates the manual adjusting valve 32 (it is required to say that before rotating the manual adjusting valve 32, the second plate 16 is completely reset, the third plate 20 is incompletely reset, the position of the fourth plate 23 is unchanged), opens the return pipe 30, at this time, under the elastic force of the plurality of first springs 13, second springs 17, third springs 21 and fourth springs 24, hydraulic oil in the first seal box 5 flows out through the return pipe 30, so that the fourth plate 23 returns to the initial position, at this time, the threaded cylinder 25 drives the vertical rod 9 and the rectangular rod 10 to reversely rotate through the first bevel gear 27 and the second bevel gear 28, drives the threaded rod 6 to reversely rotate, and the threaded rod 6 moves downwards in the connecting plate 1 and the first seal box 5 while rotating the threaded rod 6 to be in threaded connection with the threaded hole 7, and is reconnected between the connecting plate 1 and the hook 3, so that the subsequent use is facilitated, and the first T34 is opposite to the clamping groove 35;
at this time, the second T-shaped plate 37 returns to the initial position synchronously, hydraulic oil in the pump oil frame 36 is extruded into the groove 33 through the second pipe 38, and at this time, the first T-shaped plate 34 is inserted into the clamping groove 35, so that the stability of connection between the connecting plate 1 and the hook 3 is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. An overweight-proof metal hanger, comprising:
The hook comprises a connecting plate (1), a cross rod (2) and a hook (3), wherein the side wall of the cross rod (2) is rotationally connected with the lower end of the connecting plate (1), and the side wall of the cross rod (2) is fixedly connected with the upper end of the hook (3);
The falling mechanism comprises a fixed frame (4), the side wall of the connecting plate (1) is in sealing sliding connection with the inner bottom of the fixed frame (4), the lower end of the fixed frame (4) close to the cross rod (2) is fixedly connected with a first sealing box (5), the inner bottom of the first sealing box (5) is in threaded connection with a threaded rod (6), the side wall of the threaded rod (6) is in threaded connection with the side wall of the connecting plate (1), the upper end of the hook (3) is provided with a threaded hole (7), the side wall of the threaded rod (6) is in threaded connection with the inner wall of the threaded hole (7), the side wall of the first sealing box (5) is fixedly connected with a first plate (8), the side wall of the first plate (8) is rotationally connected with a vertical rod (9), the lower end of the vertical rod (9) is fixedly connected with a rectangular rod (10), the upper end of the threaded rod (6) is provided with a square groove (11), and the side wall of the rectangular rod (10) is attached to the inner wall of the square groove (11).
The clamping mechanism is arranged on the cross rod (2), the clamping mechanism comprises a groove (33) formed in the side wall of the cross rod (2) close to the connecting plate (1), a first T-shaped plate (34) is connected to the inner wall of the groove (33) in a sealing sliding mode, a clamping groove (35) is formed in the side wall of the connecting position of the connecting plate (1) and the cross rod (2), and the inner wall of the clamping groove (35) is attached to the side wall of the first T-shaped plate (34).
2. The overweight-preventing metal hook according to claim 1, wherein the connecting plate (1) is provided with a protection mechanism, the protection mechanism comprises a protection plate (12) rotatably connected to the side wall of the connecting plate (1) through a rotating shaft, the lower end of the protection plate (12) is elastically connected with the side wall of the connecting plate (1) through a plurality of first springs (13), and the side wall of the connecting plate (1) below the protection plate (12) is fixedly connected with a baffle (14).
3. The overweight-preventing metal hook according to claim 2, wherein the fixed frame (4) is provided with an extrusion mechanism, the extrusion mechanism comprises a second sealing box (15) fixedly connected with the lower end of the fixed frame (4) far away from the cross rod (2), the inner wall of the second sealing box (15) is in sealing sliding connection with a second plate (16), the lower end of the second plate (16) is elastically connected with the inner bottom of the second sealing box (15) through a plurality of second springs (17), the lower end of the second plate (16) is fixedly connected with a sliding plate (18), the lower end of the sliding plate (18) penetrates through the inner bottom of the second sealing box (15), and the lower end of the sliding plate (18) is in rotating connection with the upper end of the protection plate (12) through a rotating plate (19).
4. An overweight-preventing metal hook according to claim 3, characterized in that a third plate (20) is connected to the inner wall of the fixed frame (4) in a sealing and sliding manner, the lower end of the third plate (20) is elastically connected with the inner bottom of the fixed frame (4) through a plurality of third springs (21), the lower end of the third plate (20) is fixedly connected with the upper end of the connecting plate (1), hydraulic oil is arranged in the fixed frame (4), and the inner bottom of the fixed frame (4) is communicated with the inner top of the second sealing box (15) through a first pipe (22).
5. An overweight-preventing metal hook according to claim 3, characterized in that a driving mechanism is arranged in the first sealing box (5), the driving mechanism comprises a fourth plate (23) which is connected to the inner wall of the first sealing box (5) in a sealing sliding manner, the side wall of the fourth plate (23) far away from the threaded rod (6) is elastically connected with the inner wall of the first sealing box (5) through a plurality of fourth springs (24), the side wall of the first sealing box (5) close to the threaded rod (6) is rotationally connected with a threaded cylinder (25), the inner wall of the threaded cylinder (25) is in threaded connection with a rift rod (26), and one end of the rift rod (26) far away from the threaded cylinder (25) is fixedly connected with the side wall of the fourth plate (23).
6. An overweight-preventing metal hook according to claim 5, characterized in that a first bevel gear (27) is fixedly connected to the side wall of the threaded cylinder (25), a second bevel gear (28) is fixedly connected to the upper end of the vertical rod (9), and the first bevel gear (27) is meshed with the second bevel gear (28).
7. The overweight-preventing metal hook according to claim 5, wherein the inner wall of the second sealing box (15) above the second plate (16) is communicated with the inner wall of the first sealing box (5) close to the fourth spring (24) through a one-way oil inlet pipe (29), the inner wall of the second sealing box (15) above the second plate (16) is communicated with the inner wall of the first sealing box (5) close to the fourth spring (24) through a return pipe (30), a pressure valve (31) is arranged in the one-way oil inlet pipe (29), and a manual regulating valve (32) is arranged in the return pipe (30).
8. An overweight-preventing metal hook according to claim 1, characterized in that the inner side wall of the first sealing box (5) close to the fourth spring (24) is fixedly connected with a pump oil frame (36), the inner wall of the pump oil frame (36) is in sealing sliding connection with a second T-shaped plate (37), the side wall of the second T-shaped plate (37) is fixedly connected with the side wall of the fourth plate (23), hydraulic oil is arranged in the pump oil frame (36), and the inner wall of the pump oil frame (36) is communicated with the inner wall of the groove (33) through a second pipe (38).
9. The overweight-preventing metal hook according to claim 1, wherein the upper end of the fixing frame (4) is fixedly connected with a mounting plate (39), and a plurality of mounting holes are formed in the side wall of the mounting plate (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510170754.XA CN119637700B (en) | 2025-02-17 | 2025-02-17 | Overweight-proof metal hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510170754.XA CN119637700B (en) | 2025-02-17 | 2025-02-17 | Overweight-proof metal hook |
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| Publication Number | Publication Date |
|---|---|
| CN119637700A true CN119637700A (en) | 2025-03-18 |
| CN119637700B CN119637700B (en) | 2025-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202510170754.XA Active CN119637700B (en) | 2025-02-17 | 2025-02-17 | Overweight-proof metal hook |
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| CN (1) | CN119637700B (en) |
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|---|---|---|---|---|
| JP3020196U (en) * | 1995-07-05 | 1996-01-19 | 古林工業株式会社 | Hook disengagement device |
| JPH08295485A (en) * | 1995-04-26 | 1996-11-12 | Mitsubishi Heavy Ind Ltd | Heavy substance suspension tool |
| CN107758493A (en) * | 2017-10-20 | 2018-03-06 | 德马科起重机械有限公司 | A kind of self-locking safety suspension hook |
| CN210620024U (en) * | 2019-09-09 | 2020-05-26 | 山东神州机械有限公司 | Anti-falling device of bridge crane |
| CN212245951U (en) * | 2020-05-22 | 2020-12-29 | 郑州沃众电子衡器有限公司 | Wireless data transmission type electronic scale for travelling crane |
| CN217505076U (en) * | 2022-06-01 | 2022-09-27 | 扈玲 | Metering calibration device for mechanical instrument |
| CN217623141U (en) * | 2022-04-22 | 2022-10-21 | 浙江吉利控股集团有限公司 | Instrument panel assembly and vehicle |
| CN219058288U (en) * | 2022-12-30 | 2023-05-23 | 山东达峰海洋科技有限公司 | Lifting hook capable of controlling unhooking for ocean monitoring |
-
2025
- 2025-02-17 CN CN202510170754.XA patent/CN119637700B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08295485A (en) * | 1995-04-26 | 1996-11-12 | Mitsubishi Heavy Ind Ltd | Heavy substance suspension tool |
| JP3020196U (en) * | 1995-07-05 | 1996-01-19 | 古林工業株式会社 | Hook disengagement device |
| CN107758493A (en) * | 2017-10-20 | 2018-03-06 | 德马科起重机械有限公司 | A kind of self-locking safety suspension hook |
| CN210620024U (en) * | 2019-09-09 | 2020-05-26 | 山东神州机械有限公司 | Anti-falling device of bridge crane |
| CN212245951U (en) * | 2020-05-22 | 2020-12-29 | 郑州沃众电子衡器有限公司 | Wireless data transmission type electronic scale for travelling crane |
| CN217623141U (en) * | 2022-04-22 | 2022-10-21 | 浙江吉利控股集团有限公司 | Instrument panel assembly and vehicle |
| CN217505076U (en) * | 2022-06-01 | 2022-09-27 | 扈玲 | Metering calibration device for mechanical instrument |
| CN219058288U (en) * | 2022-12-30 | 2023-05-23 | 山东达峰海洋科技有限公司 | Lifting hook capable of controlling unhooking for ocean monitoring |
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| Publication number | Publication date |
|---|---|
| CN119637700B (en) | 2025-07-01 |
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