CN213569266U

CN213569266U - Structure for preventing crane arm-contracting rope from jumping groove

Info

Publication number: CN213569266U
Application number: CN202022585604.0U
Authority: CN
Inventors: 施红斌
Original assignee: Qingdao Saishixing Lifting Equipment Co ltd
Current assignee: Qingdao Saishixing Lifting Equipment Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-29
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a structure for preventing a telescopic boom rope of a crane from jumping a groove, which comprises a bottom plate, wherein the upper surface of the bottom plate is symmetrically provided with a first support frame, the first support frame is provided with a shaft hole, the shaft hole is internally provided with a connecting shaft, the connecting shaft is respectively sleeved with a second combination block, a first combination block and a third combination block, the first combination block at one end of the connecting shaft is clamped on the second combination block, the third combination block at the other end of the connecting shaft is clamped on the first combination block, the first combination blocks are mutually clamped, the second combination block, the first combination block and the third combination block are respectively provided with a first spring in array distribution, the second combination block, the first combination block and the third combination block are inserted with a first fixed rod, the number of the first combination blocks is 4, and the adjacent gaps between the second combination block, the first combination block and the third combination block can be adjusted under the action of the springs, the rope can be adapted to ropes with different thicknesses, and the requirements of various uses are met.

Description

Structure for preventing crane arm-contracting rope from jumping groove

Technical Field

The utility model relates to a special automobile makes the field, specifically is a prevent structure that hoist arm rope that contracts jumps groove.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The tire crane is mainly characterized in that: the traveling cab and the crane control cab are integrated into a whole and are formed by evolving a crawler crane (crawler crane), a crawler and a traveling support part of a traveling mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane (crawler crane) damages a road surface is overcome, and the material handling machine belongs to material handling machinery.

The hoisting rope is used as an important hoisting part of the crane, but the length of the arm body is limited in the hoisting operation process, the rope is not completely tensioned under the action of friction force between the rope and the pulley block in no-load, and when the crane retracts the rope, the rope at the arm body section can generate violent shaking, so that the hoisting rope is separated from a fixed winding groove of the hoisting rope and is extruded on the wound rope, the pressure injury is caused, and the service life of the rope is influenced; when the crane boom retracts, the rope at the arm body section is reduced in the distance between the arm bodies, the allowance is larger and larger, the hoisting rope is fluffy, and when the hoisting winding is started again, rope disorder is generated, so that the rope is deformed into waves, kinks, bends and the like, and is scrapped; these phenomena affect the safety of the crane operation, and for this reason, we propose a structure for preventing the rope skipping of the boom of the crane to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent structure that hoist arm rope that contracts jumps groove to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a structure for preventing a telescopic boom rope of a crane from jumping a groove comprises a base plate, wherein first support frames are symmetrically arranged on the upper surface of the base plate, a shaft hole is formed in each first support frame, a connecting shaft is rotationally arranged in the shaft hole, a second combination block, a first combination block and a third combination block are respectively sleeved on the connecting shaft, the first combination block at one end of the connecting shaft is clamped on the second combination block, the third combination block at the other end of the connecting shaft is clamped on the first combination block, the first combination blocks are mutually clamped, first springs are respectively arranged on the second combination block, the first combination block and the third combination block in an array distribution mode, first fixing rods are inserted into the second combination block, the first combination block and the third combination block, and nuts are arranged at two ends of each first fixing rod;

the bottom plate upper surface is equipped with firm piece, the inside elasticity of firm piece is equipped with the second and hinders the piece, the second hinders the piece, can the block on second composite block, bottom plate upper surface symmetry is equipped with the second support frame, the centre gripping groove has been seted up to the symmetry between the second support frame, centre gripping inslot activity is equipped with the elastic rod, centre gripping inslot surface is equipped with the connecting block, the inside second spring that is equipped with of connecting block, the one end of second spring is equipped with the movable rod, movable rod one end is equipped with the holding frame, the holding frame can laminate with the elastic rod activity, it is equipped with the second dead lever to rotate on the second support frame.

The side of the bottom plate is symmetrically provided with second supports, one end of each second support is provided with a first support, one end of each first support is provided with a rain shielding plate, and the number of the second supports and the number of the first supports are respectively two.

The upper surface of the bottom plate is provided with supporting blocks, the supporting blocks are provided with grooves, rotating rollers are rotatably arranged in the grooves, and the number of the rotating rollers is two.

The outer surface of the second combination block is provided with blocking block grooves distributed in an array mode, and the second blocking block can be clamped in the blocking block grooves.

Extension rods are symmetrically arranged on the outer sides of the connecting shafts and penetrate through the second combination block, the first combination block and the third combination block.

And a motor is arranged on one side of the first support frame, and the output end of the motor is connected with the connecting shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the number of the first combined blocks is 4, and the adjacent gaps among the second combined block, the first combined block and the third combined block can be adjusted under the action of the spring, so that the rope box can be adapted to ropes with different thicknesses, and the requirements of multiple uses are met;

2. the first spring is arranged in the spring groove, so that the fixing blocks can be elastically acted, and the elastic fixing positions among the fixing blocks are facilitated;

3. the second spring can provide elasticity to the movable rod, receives when the exogenic action when upwards moving as the elastic rod, and the second spring can keep the holding frame to possess perpendicular decurrent effort all the time, makes the elastic rod resume original state, keeps the validity of whole device.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is a schematic view of the structure of the connecting shaft of the present invention;

FIG. 5 is a schematic view of the structure of the clamping device of the present invention;

FIG. 6 is a schematic view of the structure of the combination block of the present invention;

fig. 7 is a schematic structural view of the blocking device of the present invention;

in the figure: 1. a flashing; 11. a first bracket; 12. a second bracket; 2. a base plate; 3. a first support frame; 31. a first combining block; 32. a first fixing lever; 321. a nut; 33. a connecting shaft; 331. an extension rod; 34. a first spring; 35. a second combining block; 36. a third combination block; 4. a support block; 41. rotating the roller; 5. a second support frame; 51. connecting blocks; 511. a second spring; 512. a movable rod; 513. a clamping frame; 52. an elastic rod; 53. a second fixing bar; 6. a motor; 7. a stabilizing block; 71. a third spring; 72. treading a pedal; 73. a first barrier block; 74. and a second barrier block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a structure for preventing a crane telescopic boom rope from jumping grooves comprises a base plate 2, wherein first support frames 3 are symmetrically arranged on the upper surface of the base plate 2, shaft holes are formed in the first support frames 3, a connecting shaft 33 is rotatably arranged in the shaft holes, a second combination block 35, a first combination block 31 and a third combination block 36 are respectively sleeved on the connecting shaft 33, the connecting shaft 33 can drive the second combination block 35, the first combination block 31 and the third combination block 36 to rotate in the rotating process to meet the operation requirement, the first combination block 31 at one end of the connecting shaft 33 is clamped on the second combination block 35, the third combination block 36 at the other end of the connecting shaft 33 is clamped on the first combination block 31, the first combination blocks 31 are mutually clamped, the number of the first combination blocks 31 is 4, adjacent gaps can be adjusted under the action of a first spring 34 among the second combination block 35, the first combination block 31 and the third combination block 36, and the ropes with different thicknesses can be adapted, the requirements of multiple aspects of use are met, the second combination block 35, the first combination block 31 and the third combination block 36 are respectively provided with spring grooves distributed in an array manner, first springs 34 are arranged in the spring grooves and can perform elastic action on fixing blocks to help the fixing of the fixing blocks in an elastic manner, fixing rod holes distributed in an array manner are respectively formed in the second combination block 35, the first combination block 31 and the third combination block 36, first fixing rods 32 are inserted into the fixing rod holes, screw caps 321 are arranged at two ends of each first fixing rod 32, under the effect of threaded matching of the first fixing rods 32 and the screw caps 321, distance adjustment is performed among the second combination block 35, the first combination block 31 and the third combination block 36, and fixing and limiting after adjustment are performed on the second combination block 35, the first combination block 31 and the third combination block 36 are facilitated;

the upper surface of the bottom plate 2 is provided with a stabilizing block 7, a third spring 71 is arranged in the stabilizing block 7, one end of the third spring 71 is provided with a pedal 72, the third spring 71 can elastically support the pedal 72 to help the pedal 72 maintain elasticity, the upper surface of the pedal 72 is provided with a first blocking block 73, the upper surface of the first blocking block 73 is provided with a second blocking block 74, the second blocking block 74 can be clamped on the second combination block 35 to help the combination block to stop rotating and fix in the rotating process of the combination block, the upper surface of the bottom plate 2 is symmetrically provided with second support frames 5, clamping grooves are symmetrically formed between the second support frames 5, elastic rods 52 are movably arranged in the clamping grooves, the elastic rods 52 can freely move up and down in the clamping grooves, the inner surfaces of the clamping grooves are provided with connecting blocks 51, a second spring 511 is arranged in the connecting blocks 51, one end of the second spring 511 is provided with a movable rod 512, one end of the movable rod 512 is provided with a clamping frame 513, the clamping frame 513 can be movably attached to the elastic rod 52, the second spring 511 can provide elastic force for the movable rod 512, when the elastic rod 52 moves upwards under the action of external force, the second spring 511 can keep the clamping frame 513 always to have vertical downward acting force, so that the elastic rod 52 is restored to the original state, the effectiveness of the whole device is kept, the second support frame 5 is rotatably provided with a second fixed rod 53, the second fixed rod 53 can support the elastic rope, the elastic rope can be matched with the elastic rod 52, and the elastic rope is prevented from sliding;

the side surface of the bottom plate 2 is symmetrically provided with second supports 12, one end of each second support 12 is provided with a first support 11, one end of each first support 11 is provided with a rain shield 1, the number of the second supports 12 and the number of the first supports 11 are respectively 4, and the rain shields 1 can shield rain and sunlight and can effectively relieve the corrosion of the rain and the sunlight on the whole device;

the upper surface of the bottom plate 2 is provided with a supporting block 4, the supporting block 4 is provided with a groove, rotating rollers 41 are rotatably arranged in the groove, the number of the rotating rollers 41 is 3, the rotating rollers 41 can perform rotating friction on a rope passing through the groove, foreign matters on the surface can be cleaned, and the optimal state of the rope can be kept;

the outer surface of the second combination block 35 is provided with blocking block grooves distributed in an array manner, the second blocking blocks 74 can be clamped in the blocking block grooves, the blocking effect of the second blocking blocks 74 can be effectively improved through the blocking block grooves, and low-level errors in operation are reduced;

extension rods 331 are symmetrically arranged on the outer side of the connecting shaft 33, the extension rods 331 penetrate through the second combination block 35, the first combination block 31 and the third combination block 36, the extension rods 331 can be matched with the connecting shaft 33 to rotate, and the contact area between the connecting shaft 33 and the second combination block 35, the contact area between the connecting shaft 33 and the contact area between the connecting shaft 31 and the contact area between the connecting shaft 33 and the third combination block 36 are increased;

one side of the first support frame 3 is provided with a motor 6, and the output end of the motor 6 is connected with the connecting shaft 33.

The working principle is as follows: the utility model discloses pass the rope from two second dead levers 53 top when using, the rope keeps between elastic rod 52 and second dead lever 53, second combination piece 35, be equipped with first spring 34 between first combination piece 31 and the third combination piece 36, under the spring action of first spring 34, can adjust the distance between through nut 321, satisfy the user demand of different ropes, second spring 511 in connecting block 51 provides elasticity for holding frame 513, holding frame 513 by the symmetric distribution provides elasticity to elastic rod 52 downwards, keep the rope to maintain tight state between second support frame 5 and first support frame 3, when motor 6 rotates and drives connecting axle 33 and rotate, connecting axle 33 can drive the combination piece and rotate, the combination inslot rope between the combination piece can be followed and rotated, the rope can contact commentaries on classics roller 41 on the supporting shoe 4, the rotating roller 41 is driven to rotate, so that the upper surface of the rope is subjected to rotating friction cleaning.

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 prevent structure of hoist arm rope that contracts skips, includes bottom plate (2), its characterized in that: the upper surface of the bottom plate (2) is symmetrically provided with first support frames (3), shaft holes are formed in the first support frames (3), connecting shafts (33) are arranged in the shaft holes in a rotating mode, second combination blocks (35), first combination blocks (31) and third combination blocks (36) are respectively sleeved on the connecting shafts (33), the first combination blocks (31) at one ends of the connecting shafts (33) are clamped on the second combination blocks (35), the third combination blocks (36) at the other ends of the connecting shafts (33) are clamped on the first combination blocks (31), the first combination blocks (31) are mutually clamped, first springs (34) distributed in an array mode are respectively arranged on the second combination blocks (35), the first combination blocks (31) and the third combination blocks (36), and first fixing rods (32) are inserted into the second combination blocks (35), the first combination blocks (31) and the third combination blocks (36), two ends of the first fixing rod (32) are provided with screw caps (321);

the utility model discloses a clamping device, including bottom plate (2), clamping groove, connecting block (51), connecting block (511), bottom plate (2), bottom plate (5), bottom plate (7) inside elasticity is equipped with second barrier block (74), can block on second combination piece (35), bottom plate (2) upper surface symmetry is equipped with second support frame (5), the centre gripping groove has been seted up to the symmetry between second support frame (5), the activity of centre gripping inslot is equipped with elastic rod (52), centre gripping inslot surface is equipped with connecting block (51), inside second spring (511) that is equipped with of connecting block (51), the one end of second spring (511) is equipped with movable rod (512), movable rod (512) one end is equipped with clamping frame (513), clamping frame (513) can laminate with elastic rod (52) activity, it is equipped with second dead lever (53) to rotate on second support frame.

2. The structure for preventing the rope skipping of the boom of the crane as claimed in claim 1, wherein: bottom plate (2) side symmetry is equipped with second support (12), second support (12) one end is equipped with first support (11), first support (11) one end is equipped with dash board (1), second support (12) and first support (11) quantity have 4 respectively.

3. The structure for preventing the rope skipping of the boom of the crane as claimed in claim 1, wherein: the upper surface of the bottom plate (2) is provided with a supporting block (4), the supporting block (4) is provided with a groove, the groove is internally provided with rotating rollers (41) in a rotating mode, and the number of the rotating rollers (41) is 3.

4. The structure for preventing the rope skipping of the boom of the crane as claimed in claim 1, wherein: the outer surface of the second combination block (35) is provided with blocking block grooves distributed in an array mode, and the second blocking block (74) can be clamped in the blocking block grooves.

5. The structure for preventing the rope skipping of the boom of the crane as claimed in claim 1, wherein: the connecting shaft (33) outside symmetry is equipped with extension rod (331), extension rod (331) run through second combination piece (35), first combination piece (31) and third combination piece (36).

6. The structure for preventing the rope skipping of the boom of the crane as claimed in claim 1, wherein: and a motor (6) is arranged on one side of the first support frame (3), and the output end of the motor (6) is connected with the connecting shaft (33).