CN112390138B

CN112390138B - Hoisting equipment with safe anti-falling function

Info

Publication number: CN112390138B
Application number: CN202011174439.8A
Authority: CN
Inventors: 储幸高
Original assignee: Henan Sialon Technology Co ltd
Current assignee: Henan Sialon Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2023-01-17
Anticipated expiration: 2040-10-28
Also published as: CN112390138A

Abstract

The invention relates to the technical field of hoisting devices, in particular to hoisting equipment with safety anti-falling function, which comprises a pulley disc, a hoisting disc, two connecting rods and two rotating rollers, wherein pulleys are arranged at the upper end of the pulley disc, transverse rods are integrally arranged at the lower end of the pulley disc, steel cables are arranged between the pulleys and the transverse rods, a fixing groove is formed in the upper center of the hoisting disc, the device can be used for hanging cargos with different sizes in a targeted mode through the arranged hoisting disc and auxiliary hooks arranged in the hoisting disc, the application range is wider, double protection is safer, quick disassembly and assembly between the hoisting disc and the pulley disc enable the hooks to be more convenient to replace, repair and maintain, potential safety hazards are eliminated in advance, the operation is simple, the more cargos are connected through the connection relationship between a main hook and the hoisting disc and the auxiliary hooks, the more stable connection between the fixing columns and the hoisting disc is realized, meanwhile, the drawstrings can not continue to extend after being installed, and the stable hoisting can be realized through the double-hook.

Description

Hoisting equipment with safety anti-falling function

Technical Field

The invention relates to the technical field of hoisting equipment, in particular to safe anti-falling hoisting equipment.

Background

Mechanical equipment used in industrial construction and industrial manufacturing processes to replace or assist manual labor is generally called industrial machinery, a crane refers to a multi-action hoisting machine which can vertically lift and horizontally carry heavy objects within a certain range, and is also called a crown block, a navigation crane and a crane, a large crane generally utilizes electromagnetic attraction to adsorb objects, the existing crane generally adopts a lifting hook to realize the lifting of workpieces, the lifting hook can be unhooked or broken in the working process, after the heavy objects are unhooked, the lifting hook can rebound frequently due to the tensile force of a steel wire rope and collide with the mechanical part of the crane to cause the damage of equipment, then goods sway on the hook to accelerate the abrasion and damage of the hook, the whole replacement is needed during the replacement, the cost is high, and the unstable hooking mode can increase the risk that the products shake and fall off.

Disclosure of Invention

The invention aims to provide a hoisting device with safety and drop prevention, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the pulley plate comprises a pulley plate, a hoisting plate, two connecting rods and two rotating rollers, wherein the upper end of the pulley plate is provided with a pulley, the lower end of the pulley plate is integrally provided with a transverse rod, a steel cable is arranged between the pulley and the transverse rod, the upper end of the center of the hoisting plate is provided with a fixed groove, the lower end of the transverse rod is welded with a fixed column, the fixed column is spliced in the fixed groove, a movable rod is vertically spliced in the fixed column, two cross rods are symmetrically and internally spliced at the two sides of the lower end of the fixed column, one side of each cross rod penetrates through the fixed column, a first spring is arranged between the vertical plate of each cross rod and the fixed column, the other side of each cross rod is respectively contacted with the two sides of the lower end of the movable rod, the lower end of the center of the hoisting plate is provided with a control cavity, the level is equipped with the fly leaf in the control chamber, and the lower extreme of fly leaf runs through the vertical welding of hoist and mount dish and is equipped with the master hook, and the symmetry is equipped with four second springs between the lower extreme of fly leaf and the control chamber, the vertical grafting that runs through of both sides upper end in control chamber is equipped with the dead lever, and the one end of connecting rod runs through logical groove and contacts through the upper end of round pin axle with the dead lever, and two equal levels of connecting rod locate the hoist and mount dish in, the connecting rod is arranged in logical inslot one end and all is cup jointed through the stopper and is equipped with the third spring, and the equal vertical two only blocks that are equipped with in the relative one side of round pin axle of connecting rod, and two rotatory rollers are located the inside both sides of hoist and mount dish through the rotation axis difference symmetry, and equal symmetry is equipped with a plurality of colluding the piece on the limiting plate of rotatory roller both sides, and only block and collude piece one side and contact.

Preferably, a rotating disc is arranged on one side of the cross rod through a bearing, a rotating shaft is welded on one side of the rotating disc, a first butterfly gear is sleeved on the rotating shaft, the gear teeth of the first butterfly gear are in contact with the gear teeth of a second butterfly gear, a rotating nut is inserted in a central hole of the second butterfly gear in a connected mode, the rotating nut is horizontally arranged at the upper end of the fixed column through the bearing, threads are arranged at the upper end of the movable rod, and the upper end of the movable rod is inserted in the rotating nut in a connected mode.

Preferably, the both sides of fixed slot all are equipped with the stiffening groove, are equipped with steel ball, ejector pin, fourth spring, movable block in the stiffening groove in proper order, and upper end one side of ejector pin contacts with one side of steel ball, and the lower extreme of ejector pin contacts with one side of movable block, and one side of ejector pin is equipped with the level and is equipped with the fin, and the fourth spring is located between fin and the stiffening groove, and the one end of cross-bar runs through the fixed slot and contacts with one side of movable block.

Preferably, four sliding rods are symmetrically arranged in the control cavity and are all inserted into the movable plate.

Preferably, the upper and lower both ends of dead lever are equipped with fixed block and three hornblocks respectively, and the one end both sides of fixed column all weld and are equipped with fixed box, and the both sides of fixed box all are equipped with the extrusion groove, and the fixed block is arranged in the extrusion groove, and one side upper end of two three hornblocks contacts with the both sides lower extreme of fly leaf respectively.

Preferably, all be equipped with torsion spring between rotatory roller and the rotation axis, rotatory roller is all gone up the winding and is equipped with the stretching strap, and the one end of stretching strap all is equipped with vice couple, and two vice couples are detained respectively on the hangers of hoist and mount dish both sides, and vice couple all is equipped with the ratchet rod.

Compared with the prior art, the invention has the beneficial effects that:

1. the device can be used for hanging goods with different sizes in a targeted manner through the arranged hoisting disc and the auxiliary hook arranged in the hoisting disc, so that the application range is wider, and double protection is safer;

2. the quick assembly and disassembly between the hoisting disc and the pulley disc enables the hook to be more convenient to replace, maintain and repair, potential safety hazards are eliminated in advance, and the operation is simple;

3. through the relation of connection between main hook and hoisting plate and the auxiliary hook, the goods are heavier, and the connection between fixed column and the hoisting plate is more stable, guarantees simultaneously that the stretching strap can not continue to extend after the installation, reaches the dual stable hoist and mount of colluding.

Drawings

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

FIG. 2 is a side view of the stationary post attachment of the present invention;

FIG. 3 is a schematic view of a connecting rod structure according to the present invention;

FIG. 4 is a schematic view of portion A of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the portion B of FIG. 1 according to the present invention;

FIG. 6 is a schematic view of the portion C of FIG. 1 according to the present invention.

In the drawing, a pulley plate 1, a pulley 2, a cross bar 3, a steel cable 4, a hoisting plate 5, a fixed column 6, a movable rod 7, a cross rod 8, a first spring 9, a control cavity 10, a movable plate 11, a main hook 12, a second spring 13, a fixed rod 14, a connecting rod 15, a pin shaft 16, a third spring 17, a rotating roller 18, a hook block 19, a rotating disc 20, a rotating shaft 21, a first butterfly gear 22, a second butterfly gear 23, a steel ball 24, a push rod 25, a fourth spring 26, a movable block 27, a slide rod 28, a fixed block 29, a triangular block 30, a fixed box 31, a torsion spring 32, a pull belt 33, an auxiliary hook 34 and a ratchet rod 35.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a hoisting device with safety anti-falling function: the device comprises a pulley disc 1, a hoisting disc 5, two connecting rods 15 and two rotating rollers 18, wherein the pulley 2 is arranged at the upper end of the pulley disc 1, a cross rod 3 is integrally arranged at the lower end of the pulley disc 1, a steel cable 4 is arranged between the pulley 2 and the cross rod 3, a fixed groove is formed in the upper end of the center of the hoisting disc 5, a fixed column 6 is welded at the lower end of the cross rod 3, the fixed column 6 is inserted in the fixed groove, a movable rod 7 is vertically inserted in the fixed column 6, two cross rods 8 are symmetrically and internally inserted at the two sides of the lower end of the fixed column 6, one side of the two cross rods 8 is respectively arranged by penetrating through the fixed column 6, a first spring 9 is arranged between the vertical plate of the cross rods 8 and the fixed column 6, the other sides of the two cross rods 8 are respectively contacted with the two sides of the lower end of the movable rod 7, a rotating disc 20 is arranged at one side of the cross rod 3 through a bearing, a rotating shaft 21 is welded at one side of the rotating disc 20, a first butterfly gear 22 is sleeved on the rotating shaft 21, the rotating disc 22 is contacted with the gear teeth of a second butterfly gear 23, a screw nut is arranged at the inner side of the rotating disc 23, a screw nut 7, a screw nut 25 is arranged at one side of the rotating disc 7, a reinforcing rod 25 is arranged at one side of the rotating pin 25, a reinforcing bar is arranged at the movable rod 7, a reinforcing bar 25 is arranged in a horizontal pin 25, a reinforcing bar 7, a reinforcing bar 25 is arranged in a horizontal pin 25 is arranged at the pin 25, a horizontal pin 25 is arranged in the pin 25, the caliber of one end of a reinforcing groove where the steel ball 24 is located is smaller than the diameter of the steel ball 24, the lower end of the center of the hoisting disc 5 is provided with a control cavity 10, a movable plate 11 is horizontally arranged in the control cavity 10, the lower end of the movable plate 11 penetrates through the hoisting disc 5 to be vertically welded with a main hook 12, four second springs 13 are symmetrically arranged between the lower end of the movable plate 11 and the control cavity 10, four sliding rods 28 are symmetrically arranged in the control cavity 10, the four sliding rods 28 are all inserted on the movable plate 11 to place the movable plate 11 to be deviated, the upper ends of two sides of the control cavity 10 are vertically inserted with fixed rods 14, one end of each connecting rod 15 penetrates through a through groove to be contacted with the upper end of the corresponding fixed rod 14 through a pin 16, the two connecting rods 15 are horizontally arranged in the hoisting disc 5, the upper end and the lower end of the corresponding fixed rod 14 are respectively provided with a fixed block 29 and a triangular block 30, and the two sides of one end of each fixed rod 6 are welded with a fixed box 31, the two sides of the fixed box 31 are respectively provided with an extrusion groove, the fixed block 29 is arranged in the extrusion groove, the upper ends of one side of the two triangular blocks 30 are respectively contacted with the lower ends of the two sides of the movable plate 27, so that the fixed rod 14 does relative rotation motion, the sizes of the triangular blocks 30 and the fixed block 29 do not influence the motion of the fixed rod 14, the end of the connecting rod 15 arranged in the through groove is respectively sleeved with a third spring 17 through a limiting block, one side of the pin shaft 16 of the connecting rod 15 is respectively and vertically provided with two stop blocks, the two rotary rollers 18 are respectively and symmetrically arranged at the two inner sides of the hoisting disc 5 through rotating shafts, the limiting plates at the two sides of the rotary rollers 18 are respectively and symmetrically provided with a plurality of hook blocks 19, the stop blocks are contacted with one sides of the hook blocks 19, a torsion spring 32 is respectively arranged between the rotary rollers 18 and the rotating shafts, the rotary rollers 18 are respectively and wound with a drawstring 33, one end of the drawstring 33 is respectively provided with an auxiliary hook 34, the two auxiliary hooks 34 are respectively buckled on the two sides of the hoisting disc 5, and the auxiliary hooks 34 are provided with ratchet rods 35, so that the auxiliary hooks 34 can be more stable and safer during hoisting.

The working principle is as follows: when the device is used, the fixed column 6 is inserted into the fixed groove, then the rotating disc 20 is rotated to drive the rotating shaft 21 to rotate the first butterfly gear 22, so that the second butterfly gear 23 is driven by the rotating nut, the movable rod 7 moves downwards, the inclined planes at the two sides of the lower end of the movable rod 7 are contacted with the cross rods 8 to push the two cross rods 8 to two sides, so as to drive the movable block 27 to push the ejector rod 25 to move upwards, then the steel ball 24 is pushed to one side of the fixed column 6 to move, finally a part of the steel ball 24 is clamped into the grooves at the two sides of the fixed column and is kept still under the action of the ejector rod 25 to finish the reinforcement and fixation, then the use of the auxiliary hook 34 is selected according to the own needs, if the use is required, the main hook 12 is firstly hung, then the pull belt 33 is pulled by force to hang the auxiliary hook 34 at the two sides of goods, and the pull belt 33 is in a tight state under the action of the torsion spring 32, then the pulley plate 1 is lifted through the steel cable 4 to lift and hoist the goods, simultaneously the main hook 12 drives the movable plate 11 to move downwards along the sliding rod 28, simultaneously two sides of the movable plate 11 press two triangular blocks 30 at the lower end of the fixed rod 14 downwards, the fixed rod 14 rotates around a central pin shaft, the upper end is clamped into a groove of a fixed box 31, the more the goods are pressed, the more the fixed 6 is firmly connected with the hoisting plate 5, simultaneously the fixed rod 14 is pressed tightly, the two side connecting rods 15 are pulled to move towards the middle through the pin shaft, the two stop blocks are contacted with hook blocks 19 on limiting plates at two sides of the rotating roller 18, so that the drawstring 33 cannot extend continuously until the goods are hoisted, the main hook 12 is separated from the goods, then the movable plate 11 is lifted under the action of the second spring 13, the connecting rods 15 move towards two sides under the action of the fourth spring 17, and the fixed rod 14 returns to be arranged vertically, the auxiliary hook 34 is taken down by pressing the ratchet rod 35 and hung on a hanging lug, when the hoisting disc 5 needs to be removed for hook detection, maintenance and replacement, the second butterfly gear 23 is driven by the turntable 20 to lift the movable rod 7, one end of the cross rod 8 extending out of the fixed column 6 retracts into the fixed column 6 under the action of the first spring 9, the ejector rod 25 falls and rebounds under the action of the fourth spring 26, the movable block 27 moves towards one side of the fixed groove, the steel ball 24 loses the support of the ejector rod 25, when the fixed column 6 is pulled away, the steel ball 24 rolls back in the groove, the fixed column 6 is smoothly separated from the fixed groove, the diameter of the notch of the reinforcing groove where the steel ball 24 is located is slightly smaller than that of the steel ball 24, the steel ball 24 cannot fall off, and a part of the steel ball protrudes and is clamped into the groove of the fixed column 6, so that the reinforced connection between the fixed column 6 and the fixed groove is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lifting device with safe anti-drop, includes pulley disc (1), lifting disc (5), two connecting rods (15) and two rotatory rollers (18), its characterized in that: the pulley plate is characterized in that pulleys (2) are arranged at the upper end of the pulley plate (1), transverse rods (3) are integrally arranged at the lower end of the pulley plate (1), steel cables (4) are arranged between the pulleys (2) and the transverse rods (3), a fixed groove is formed in the upper center end of the hoisting plate (5), fixed columns (6) are welded at the lower end of the transverse rods (3), the fixed columns (6) are inserted in the fixed groove in a plugging manner, movable rods (7) are vertically inserted in the fixed columns (6), two cross rods (8) are symmetrically inserted in two sides of the lower end of each fixed column (6) in a built-in manner, one side of each cross rod (8) penetrates through the fixed column (6) respectively, first springs (9) are arranged between the fixed columns (6) and the cross rods (8), the other sides of the two cross rods (8) are in contact with two sides of the lower end of the movable rods (7) respectively, a control cavity (10) is formed in the lower center end of the hoisting plate (5), movable plates (11) are horizontally arranged in the control cavity (10), a main hook (12) is arranged in the lower end of the movable plate (11) in a manner of the lower end of the movable plate (11), four vertical manner of the movable plate (11), and a control cavity (14) are arranged in a manner of a control cavity (10) and two vertical manner, and two vertical manner of a vertical manner, and two control vertical manner of a vertical spring (14) are arranged between the movable plate (10) are arranged between the movable plate (11), one end of each connecting rod (15) penetrates through the through groove and is in contact with the upper end of the fixed rod (14) through a pin shaft (16), the two connecting rods (15) are horizontally arranged in the hoisting disc (5), one ends of the connecting rods (15) arranged in the through groove are respectively sleeved with a third spring (17) through limiting blocks, two stop blocks are vertically arranged on one side, opposite to the pin shaft (16), of each connecting rod (15), the two rotating rollers (18) are respectively and symmetrically arranged on two sides of the interior of the hoisting disc (5) through rotating shafts, a plurality of hook blocks (19) are symmetrically arranged on the limiting plates on two sides of each rotating roller (18), and the stop blocks are in contact with one sides of the hook blocks (19);

a rotating disc (20) is arranged on one side of the cross rod (3) through a bearing, a rotating shaft (21) is welded on one side of the rotating disc (20), a first butterfly gear (22) is sleeved on the rotating shaft (21), gear teeth of the first butterfly gear (22) are in contact with gear teeth of a second butterfly gear (23), a rotating nut is inserted and connected in a central hole of the second butterfly gear (23), the rotating nut is horizontally arranged at the upper end of the fixed column (6) through the bearing, threads are arranged at the upper end of the movable rod (7), and the upper end of the movable rod (7) is inserted and connected in the rotating nut;

the both sides of fixed slot all are equipped with the stiffening groove, are equipped with steel ball (24) in the stiffening groove in proper order, ejector pin (25), fourth spring (26), movable block (27), and upper end one side of ejector pin (25) contacts with one side of steel ball (24), and the lower extreme of ejector pin (25) contacts with one side of movable block (27), and one side of ejector pin (25) is equipped with the level and is equipped with the fin board, and between fin board and the stiffening groove was located in fourth spring (26), and the one side that the one end of cross rod (8) runs through fixed slot and movable block (27) contacts.

2. A safety drop prevention lifting device as claimed in claim 1, characterized in that: four sliding rods (28) are symmetrically arranged in the control cavity (10), and the four sliding rods (28) are all inserted on the movable plate (11).

3. A safety drop prevention lifting device as claimed in claim 1, characterized in that: the upper end and the lower end of the fixing rod (14) are respectively provided with a fixing block (29) and a triangular block (30), two sides of one end of the fixing column (6) are respectively provided with a fixing box (31) in a welding mode, two sides of the fixing box (31) are respectively provided with an extrusion groove, the fixing block (29) is arranged in the extrusion grooves, and the upper ends of one side of the two triangular blocks (30) are respectively contacted with the lower ends of two sides of the movable plate (11).

4. The hoisting device with the safety function of preventing the falling of the claim 1 is characterized in that: all be equipped with torsion spring (32) between rotatory roller (18) and the rotation axis, rotatory roller (18) are all gone up the winding and are equipped with stretching strap (33), and the one end of stretching strap (33) all is equipped with vice couple (34), and two vice couples (34) are detained respectively on hoisting plate (5) both sides hangers, and just vice couple (34) all are equipped with ratchet rod (35).