CN218931502U - Anti-swing lifting appliance upper frame - Google Patents

Abstract

The utility model discloses an anti-swing lifting appliance upper frame which comprises an upper frame, wherein four corners of the bottom of the upper frame are rotatably connected with rotary pins, four pulleys matched with each other are arranged at two ends of the upper side, four steel wire rope fixing ends are hinged to the front side and the rear side of the middle part, the four pulleys and the four steel wire rope fixing ends are connected to a 12-rope flexible bidirectional resistance anti-swing winding system, and the rotary pins drive the rotary pins to rotate through a manual rotating mechanism. According to the utility model, through the 12-rope flexible bidirectional resistance anti-sway winding system, the anti-sway function of the resistance in two directions of the cart and the trolley is improved, so that the anti-sway performance of the crane winding system is improved, and the loading and unloading efficiency of the crane is also improved. According to the utility model, through the 12-rope flexible bidirectional resistance anti-swing winding system, the anti-swing function of the resistance in two directions of the cart and the trolley is improved, the swing resistance of the crane winding system is improved, the process of lifting or lowering a lifting appliance to reduce swing is avoided, and the loading and unloading efficiency of the crane is further improved.

Description

Anti-swing lifting appliance upper frame

Technical Field

The utility model belongs to the technical field of lifting appliance upper frames, and relates to an anti-swing lifting appliance upper frame.

Background

After the existing lifting appliance is in butt joint with the upper frame of the lifting appliance, the lifting appliance is easy to cause overlarge swing under the influence of wind direction after being hung with cargoes such as containers, the lifting appliance needs to be lifted, the distance between the upper frame of the lifting appliance and a lifting mechanism is reduced, the efficiency is low, and the stability is still relatively poor under the influence of wind direction and air flow.

Disclosure of Invention

The utility model aims to solve the technical problems that: the utility model provides an anti-swing lifting appliance upper frame, which solves the technical problems existing in the prior art.

The technical scheme adopted by the utility model is as follows: the utility model provides an anti-swing hoist upper frame, includes the upper frame, upper frame bottom four corners swivelling joint has the round pin, and two pairwise four pulleys of pairing are installed at upside both ends, and the middle part front and back side articulates there are four wire rope stiff ends, and four pulleys and four wire rope stiff ends are connected to 12 rope flexible two-way resistance anti-swing winding system, and the round pin passes through manual slewing mechanism and drives its rotation.

Preferably, the cable storage barrel is arranged on the upper side of the upper frame and close to the middle part, the cable storage barrel comprises an upper ring, a middle ring, a lower ring and a bottom frame, the upper ring is larger than the middle ring and smaller than the lower ring, the upper ring is connected with the middle ring and the lower ring through connecting steel bars, the lower ring is arranged on the bottom frame of the lower cylinder, the middle part of the bottom frame is provided with a cylindrical guide frame with a conical upper end, and one side of the cable storage barrel is provided with a vertical frame.

Preferably, the manual rotating mechanism comprises a handle, a connecting rod and a rotating arm, one end of the rotating arm is fixedly connected to the upper end of the rotating pin, the other end of the rotating arm is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the lower end of the handle, and the middle lower portion of the handle is rotatably connected to the upper frame through a rotating shaft.

Preferably, the left or right hand rotation mechanisms share a common shaft and handle.

Preferably, a latch plate is installed on one side of the handle, latch holes are formed in the left side and the right side of the latch plate, the handle is plugged onto the latch plate through a latch, limiting brackets are installed on the left side and the right side of the latch plate respectively, and an included angle between the two limiting brackets can meet the requirement that the rotary pin is opened or closed after the rotary pin rotates.

Preferably, the lower end of the rotary pin is provided with a limit sleeve, the rotary pin movably passes through an upper through hole of the upper frame, and is fixedly connected with a convex ball block near the upper end, and the upper end of the through hole is provided with a concave ball block matched and adapted with the convex ball block.

Preferably, the 12-rope flexible bidirectional resistance anti-shake winding system comprises two reels, steel wire ropes, an upper frame pulley block of the lifting appliance, guide pulley blocks and lifting pulley blocks, wherein the reels are arranged above the upper frame left and right, each reel is wound with two steel wire ropes, the two steel wire ropes on the left side pass through the two pulleys of the upper frame pulley block and then respectively pass through the two pairs of lifting pulley blocks and the guide pulley blocks which are arranged front and back, and finally are connected to the middle parts of the front and back sides of the upper frame, the two steel wire ropes on the right side pass through the two pulleys of the upper frame pulley block and then respectively pass through the two pairs of guide pulley blocks and the lifting pulley blocks which are arranged front and back, and finally are connected to the middle parts of the front and back sides of the upper frame, and the four fixed pulleys of the upper frame pulley block are rotatably arranged on the left and right sides of the upper end face of the upper frame.

Preferably, the reel is mounted on a lifting mechanism on the trolley frame.

The utility model has the beneficial effects that: compared with the prior art, the utility model has the advantages that through the 12-rope flexible bidirectional resistance anti-shake winding system, the anti-shake function of the resistance in two directions of the cart and the trolley is improved, the anti-shake performance of the crane winding system is improved, the process of lifting or lowering a lifting appliance to reduce the swing performance is avoided, and the loading and unloading efficiency of the crane is further improved.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic left-hand view of the present utility model;

FIG. 4 is a schematic view of a cable drum structure;

FIG. 5 is a schematic view of the cross-sectional structure of C-C in FIG. 2;

FIG. 6 is an enlarged schematic view of the portion E of FIG. 5;

FIG. 7 is a schematic view of the structure of section D-D in FIG. 5;

FIG. 8 is a schematic view in the direction G of FIG. 7;

FIG. 9 is a schematic diagram of a 12-rope flexible bi-directional resistance anti-roll winding system;

FIG. 10 is a schematic view of the present utility model mounted on a cart;

FIG. 11 is a schematic top view of the present utility model mounted on a cart;

fig. 12 is a schematic diagram of the left-hand construction of the utility model mounted on a cart.

Detailed Description

The utility model will be further described with reference to specific examples.

Example 1: as shown in fig. 1-12, an anti-swing lifting appliance upper frame comprises an upper frame 1, four corners of the bottom of the upper frame 1 are rotatably connected with rotary pins 2, four pulleys 3 paired in pairs are arranged at two ends of the upper side, four steel wire rope fixing ends 4 are hinged to the front side and the rear side of the middle part, the four pulleys 3 and the four steel wire rope fixing ends 4 are connected to a 12-rope flexible bidirectional resistance anti-swing winding system, and the rotary pins 2 are driven to rotate through a manual rotating mechanism 5.

Preferably, the cable storage drum 6 is arranged on the upper side of the upper frame 1 near the middle part, the cable storage drum 6 comprises an upper ring 7, a middle ring 8, a lower ring 9 and a bottom frame 10, the upper ring 7 is larger than the middle ring 8 and smaller than the lower ring 9, the upper ring 7 is connected with the middle ring 8 and the lower ring 9 through connecting steel bars 11, the lower ring 9 is arranged on the bottom frame 10 of the lower cylinder, the middle part of the bottom frame 10 is provided with a cylindrical guide frame 12 with a conical upper end, one side of the cable storage drum 6 is provided with a vertical frame 13, the cable storage drum is light in weight, simple in structure and convenient to place, and the middle guide frame is convenient for winding and unwinding cables.

Preferably, the manual rotation mechanism 5 includes a handle 501, a connecting rod 502 and a rotation arm 503, one end of the rotation arm 503 is fixedly connected to the upper end of the rotation pin 2, the other end of the rotation arm 503 is hinged to one end of the connecting rod 502, the other end of the connecting rod 502 is hinged to the lower end of the handle 501, the middle lower portion of the handle 501 is rotatably connected to the upper frame 1 through a rotation shaft 504, the operation handle drives the connecting rod to drive the rotation arm to rotate, the rotation arm rotates to drive the rotation pin to rotate, and accordingly the rotation pin is opened and closed, and the rotation pin is opened and closed in the existing structure.

Preferably, the two manual rotating mechanisms 5 on the left side or the right side share one rotating shaft 504 and the handle 501, so that the structure is compact, the cost is low, the synchronism is good, the reliability is high, and the rotating pin is fast to open and close.

Preferably, a latch plate 505 is installed on one side of the handle 501, latch holes are formed on the left side and the right side of the latch plate 505, the handle 501 is plugged onto the latch plate 505 through a latch 506, a limiting bracket 507 is installed on the left side and the right side of the latch plate 505 respectively, and an included angle between the two limiting brackets 507 can meet the requirement that the rotary pin is opened or closed after the rotary pin rotates. The anti-falling safety interlocking mechanism is composed of a bolt plate and bolts between the lifting appliance upper frame and the lifting appliance, and after the 12-rope flexible bidirectional resistance anti-shaking lifting appliance upper frame is connected with the container special lifting appliance, the safety interlocking of the lifting appliance upper frame and the lifting appliance is realized through 2 sets of manual rotating devices, so that the safety production is ensured.

Preferably, the lower end of the rotating pin 2 is provided with a stop collar 201, after the rotating pin 2 movably passes through the through hole on the upper frame 1, the upper end is close to the convex ball block 202 fixedly connected with, the concave ball block 203 matched and adapted with the convex ball block 202 is installed at the upper end of the through hole, the rotation of the rotating pin can be realized, the convex ball block and the concave ball block form a similar hydraulic bearing structure, and the bearing capacity is large.

Preferably, the 12-rope flexible bidirectional resistance anti-shake winding system consists of 2 sets of winding drum groups, 4 sets of lifting pulley blocks, 4 sets of guide pulley blocks, 4 sets of lifting pulley blocks and 4 sets of steel wire rope fixing ends, which are arranged on a trolley frame, and specifically comprises winding drums 1001, steel wire ropes 1002, lifting upper frame pulley blocks 1003, guide pulley blocks 1004 and lifting pulley blocks 1005, wherein the winding drums 1001 are arranged above the upper frame 1 left and right, each winding drum 1001 is wound with two steel wire ropes 1002, the two steel wire ropes 1002 on the left pass through two pulleys of the lifting upper frame pulley blocks 1003, then respectively pass through two pairs of lifting pulley blocks 1005 and the guide pulley blocks 1004 which are arranged front and back, and finally are connected to the middle parts of the front side and the rear side of the upper frame 1, the two steel wire ropes 1002 on the right side pass through two pulleys of the upper frame pulley block 1003 of the lifting appliance and then respectively pass through two pairs of guide pulley blocks 1004 and lifting pulley blocks 1005 which are arranged front and back, and finally are connected to the middle part of the front side and the back side of the upper frame, four fixed pulleys of the upper frame pulley block 1003 of the lifting appliance are rotatably arranged on the left side and the right side of the upper end face of the upper frame, the guide pulley blocks 1004 and the lifting pulley blocks 1005 are fixedly arranged on a trolley frame, the pulleys of the guide pulley blocks 1004 are arranged on the upper parts of the fixed ends of the steel wire ropes, the fixed ends of the two steel wire ropes on the left side or the right side of the upper frame form inverted splayed shapes, the diameter of the pulleys of the lifting pulley blocks 1005 is larger, the fact that the output end is vertically tangent with the pulleys of the guide pulley blocks 1004 can be met, and the axle of the pulleys of the lifting pulley blocks 1005 is vertical to the axle of the corresponding guide pulley blocks 1004.

The lifting mechanism comprises two sleeves 1001, a speed changer 1007 and a lifting motor 1008, one end of the two sleeves 1001 is fixedly connected with coaxial output shafts on two sides of the speed changer 1007, the other end of the two sleeves is rotatably connected to the rotary frame 801 through a bearing seat, the speed changer 1007 and the lifting motor 1008 are fixedly connected to the rotary frame 801, a strip-shaped through hole is formed in the position of the rotary frame penetrated by a steel wire rope, the steel wire rope can conveniently penetrate through the strip-shaped through hole, and the lifting mechanism is further provided with a locking device. The trolley slewing mechanism comprises a slewing frame 801, slewing wheels 802 and a slewing drive motor 803, four slewing wheels 802 are arranged at four corners of the bottom of the slewing frame 801, the slewing wheels 802 are connected to the slewing drive motor 803, the slewing drive motor 803 is arranged on the slewing frame 801, the slewing wheels 802 are arranged on a slewing guide rail, the slewing guide rail is fixedly connected to a circle of a through hole, a suspended cab is arranged on the slewing frame 801, and the slewing frame is rotated along with the slewing frame, so that the visual field is wide and the operation is convenient. Each revolving wheel 802 is provided with an anti-overturning travelling wheel 804 at a side lower position, the anti-overturning travelling wheel 804 radially outwards leans against the inner side of the through hole, the anti-overturning effect of the revolving frame can be realized, and the travelling is more stable and reliable.

Four pulleys of the lifting pulley block 1005 are arranged right front and back above the four pulleys of the upper frame pulley block of the lifting tool, and are connected to the middle part of the upper frame in a backward inclined way through guiding and changing of the guiding pulley block, and a 12-rope flexible bidirectional resistance anti-sway winding system steel wire rope adopts a special winding mode to form an anti-sway swinging system with the front being inverted splayed (in the direction of a crane trolley) and the side being triangular (in the direction of the crane trolley) in four planes between the trolley mechanism and the lifting tool.

Each steel wire rope of the 12-rope flexible bidirectional resistance anti-sway winding system is wound into a diagonal rope, the resistance anti-sway function of the crane in two directions of a cart and a trolley is realized by utilizing the geometric tension principle, the anti-sway performance of the crane winding system is improved, the loading and unloading efficiency of the crane is also improved, meanwhile, the system is the 12-rope flexible bidirectional resistance anti-sway winding system which is designed in an innovative way, the power of a motor is also small by a corresponding lifting mechanism, the selection coefficient of a speed reducer matched with the motor is also small, the motor power of the lifting mechanism is small, the speed reducer matched with the motor is small, the trolley structure for arranging the lifting mechanism of the crane is relatively small, the dead weight is correspondingly light due to the small structure of the trolley, and the structural arrangement and the power of the whole crane are relatively small, so that low-carbon, energy-saving, environment-friendly and efficient equipment is realized.

The foregoing is merely illustrative of the present utility model, and the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present utility model, and therefore, the scope of the present utility model shall be defined by the scope of the appended claims.

Claims (8)

1. An anti-sway hoist upper frame which characterized in that: including last frame (1), go up frame (1) bottom four corners swivelling joint has rotary pin (2), and two pairs of four pulleys (3) are installed at upside both ends, and the middle part front and back side articulates there are four wire rope stiff ends (4), and four pulleys (3) and four wire rope stiff ends (4) are connected to 12 rope flexible two-way resistance anti-shake winding system, and rotary pin (2) are through manual slewing mechanism (5) drive its rotation.

2. The anti-sway hanger upper frame of claim 1, wherein: go up frame (1) upside and be close to mid-mounting and store up cable section of thick bamboo (6), store up cable section of thick bamboo (6) including go up circle (7), well circle (8), down circle (9) and underframe (10), go up circle (7) and be greater than well circle (8) and be less than down circle (9), go up and all be connected through connecting billet (11) between circle (7) and well circle (8) and the underframe (9), install down on lower cylindrical underframe (10) down circle (9), underframe (10) mid-mounting has upper end conical cylinder guide frame (12), store up cable section of thick bamboo (6) one side and be provided with vertical frame (13).

3. The anti-sway hanger upper frame of claim 1, wherein: the manual rotating mechanism (5) comprises a handle (501), a connecting rod (502) and a rotating arm (503), one end of the rotating arm (503) is fixedly connected to the upper end of the rotary pin (2), the other end of the rotating arm is hinged to one end of the connecting rod (502), the other end of the connecting rod (502) is hinged to the lower end of the handle (501), and the middle lower portion of the handle (501) is rotatably connected to the upper frame (1) through a rotating shaft (504).

4. A sway prevention hanger upper rack according to claim 3, wherein: the left or right hand rotation mechanism (5) shares a rotation shaft (504) and a handle (501).

5. A sway prevention hanger upper rack according to claim 3, wherein: the latch board (505) is installed to handle (501) one side, and latch board (505) left and right sides sets up the bolt hole, and handle (501) are pegged graft through bolt (506) on latch board (505), and spacing support (507) are installed respectively to the side about latch board (505), and the contained angle can satisfy behind the rotation of rotating pin and open or close the rotating pin between two spacing supports (507).

6. The anti-sway hanger upper frame of claim 1, wherein: the lower end of the rotary pin (2) is provided with a limit sleeve (201), after the rotary pin (2) movably passes through an upper through hole of the upper frame (1), a convex ball block (202) is fixedly connected near the upper end, and a concave ball block (203) matched and adapted with the convex ball block (202) is arranged at the upper end of the through hole.

7. The anti-sway hanger upper frame of claim 1, wherein: the 12-rope flexible bidirectional resistance anti-shake winding system comprises winding drums (1001), steel wire ropes (1002), lifting appliance upper frame pulley blocks (1003), guide pulley blocks (1004) and lifting pulley blocks (1005), wherein the winding drums (1001) are arranged above the upper frame (1) left and right, each winding drum (1001) is wound with two steel wire ropes (1002), the left two steel wire ropes (1002) respectively pass through the two pulleys of the lifting appliance upper frame pulley blocks (1003) and then respectively pass through the two pairs of lifting pulley blocks (1005) and the guide pulley blocks (1004) which are arranged front and back, the two steel wire ropes (1002) on the right side respectively pass through the two pulleys of the lifting appliance upper frame pulley blocks (1003) and then respectively pass through the two pairs of guide pulley blocks (1004) and the lifting pulley blocks (1005) which are arranged front and back, and finally are connected to the middle part of the front and back sides of the upper frame (1), and the four fixed pulleys of the lifting appliance upper frame pulley blocks (1003) are rotatably arranged on the left and right sides of the upper end face of the upper frame (1).

8. The anti-sway hanger upper frame of claim 7 wherein: the spool (1001) is mounted on a lifting mechanism on the trolley frame.

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