CN210176332U

CN210176332U - Unmanned on duty overhead traveling crane antiskid pulley block structure of friction force height

Info

Publication number: CN210176332U
Application number: CN201921152859.9U
Authority: CN
Inventors: Hongjun Han; 韩红军; Wenming Liu; 刘文明; Delong Zhang; 张德龙; Longji Yin; 尹龙基
Original assignee: HENAN JUREN CRANE GROUP CO Ltd
Current assignee: HENAN JUREN CRANE GROUP CO Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-03-24
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses an unmanned on duty overhead traveling crane antiskid assembly pulley structure of frictional force dynamic height, including the otic placode, the otic placode is total two sets of and two sets of otic placode parallel arrangement is two sets of put the assembly pulley between the otic placode, the recess surface mounting at assembly pulley middle part has slipmat an, the welding of otic placode surface top has the spiral shell piece, the spiral shell piece internal rotation has connect the screw rod, the sleeve has been cup jointed in the screw rod middle part outside, and is two sets of the welding has branch between the sleeve, the branch middle part outside is provided with bearing a, slipmat b is installed in the bearing a outside. The utility model discloses an install the screw rod, will pull in wire rope arranges the recess of assembly pulley in to the tilting screw rod, the cardboard of screw rod drives the sleeve and goes up and down for the slipmat an height in the regulation bearing an outside realizes the increase and decrease of slipmat an and wire rope's contact surface, increases frictional force, guarantees the stability of junk, is fit for extensively promoting and using.

Description

Unmanned on duty overhead traveling crane antiskid pulley block structure of friction force height

Technical Field

The utility model relates to a hoist assembly pulley technical field specifically is an unmanned on duty overhead traveling crane antiskid assembly pulley structure that frictional force is high.

Background

At present, when a crane transfers and transports objects, the descending speed is too high or the descending speed is excessive, the phenomenon of loosening of a steel wire rope can occur, the steel wire rope is separated, inconvenience is brought to daily operation, and maintenance work is increased.

The existing crown block crane pulley block has some defects, such as: the existing crown block crane pulley block does not have anti-skidding performance, the gliding speed is too high during the falling of objects, the damage of hoisted objects often occurs, the unnecessary economic loss is caused, and the existing crown block crane pulley block does not have the wire breakage detection function of a steel wire rope, the danger coefficient is higher and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned on duty overhead traveling crane anti-skidding assembly pulley structure of frictional force height, through installing the screw rod, slipmat an and slipmat b, in arranging traction wire rope in the recess of assembly pulley, and the tilting screw rod, the cardboard of screw rod drives the sleeve and goes up and down, a slipmat a height for adjusting the bearing a outside, realize the increase and decrease of slipmat an and wire rope's contact surface, increase friction, during preventing the overhead traveling crane junk, article are sent to gliding too fast, guarantee the stability of junk, the problem of proposing in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: an unattended crown block antiskid pulley block structure with high friction force comprises two groups of lug plates, wherein the two groups of lug plates are arranged in parallel, a pulley block is arranged between the two groups of lug plates, an antiskid pad a is arranged on the surface of a groove in the middle of the pulley block, a bearing b is arranged in the middle of the pulley block, a fixed shaft is arranged in the middle of the bearing b, the pulley block is rotatably connected with the fixed shaft through the bearing b, the left side and the right side of the fixed shaft penetrate through the middles of the two groups of lug plates, a screw block is welded on the top of the outer surface of the lug plate, a screw rod is rotatably connected in the screw block, a sleeve is sleeved on the outer side of the middle of the screw rod, clamping plates are arranged at the upper end and the lower end of the screw rod close to the sleeve, a support rod is welded between the two groups of the sleeve, a bearing, the ringing is installed to the contact piece front side, the spring is installed on the ringing right side, the spring right side is installed connecting block and is fixed to be set up in otic placode front side bottom.

As a preferred embodiment of the present invention, the fixing shaft is provided with an anti-slip rod near the outer side of the ear plate.

As an optimal implementation mode of the utility model, the top of the screw rod is provided with the rotating handle and the middle parts of the two sides of the front side of the rotating handle are all provided with the anti-skid finger grooves.

As a preferred embodiment of the present invention, the groove gap of the pulley block is not more than 15% of the diameter of the steel wire rope.

As a preferred embodiment of the present invention, the contact sheet is a porous foam product.

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

1. the utility model relates to an unmanned on duty overhead traveling crane anti-skidding assembly pulley structure of frictional force height, through installing the screw rod, slipmat an and slipmat b, will pull in wire rope arranges the recess of assembly pulley in, and the tilting screw rod, the cardboard of screw rod drives the sleeve and goes up and down, a slipmat a height for adjusting the bearing an outside, realize the increase and decrease of slipmat an and wire rope's contact surface, increase frictional force prevents during the overhead traveling crane junk, article are the gliding delivery too fast, guarantee the stability of junk.

2. The utility model relates to an unmanned on duty overhead traveling crane antiskid assembly pulley structure of frictional force height, through installing jingle bell and spring, set up the contact piece of jingle bell in the front side of wire rope in the assembly pulley recess, and be in non-contact state, at wire rope lift in-process, wire rope's broken filament opens and contradicts the jingle bell of contact piece front side to the outside, rocking of spring atress aggravation jingle bell, the jingle bell sends sound, the staff of being convenient for in time perceives and inspects wire rope, improve the factor of safety of assembly pulley.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an overall main view structure of an unattended crown block anti-skid pulley block structure with high friction force of the utility model;

fig. 2 is the utility model relates to a contact piece and connecting block connecting part structural schematic diagram of unmanned on duty overhead traveling crane anti-skidding assembly pulley structure of frictional force height.

In the figure: 1. an ear plate; 2. a pulley block; 3. a fixed shaft; 4. an anti-skid pad a; 5. a screw block; 6. a sleeve; 7. a handle is rotated; 8. a screw; 9. clamping a plate; 10. an anti-slip pad b; 11. a bearing a; 12. a strut; 13. an anti-drop rod; 14. a bearing b; 15. ringing; 16. a spring; 17. connecting blocks; 18. and a contact sheet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: an unattended crown block anti-skidding pulley block structure with high friction force comprises lug plates 1, wherein the lug plates 1 are arranged in two groups and two groups in parallel, a pulley block 2 is arranged between the two groups of lug plates 1, a non-skid pad a4 is arranged on the surface of a groove in the middle of the pulley block 2, a bearing b14 is arranged in the middle of the pulley block 2, a fixed shaft 3 is arranged in the middle of the bearing b14, the pulley block 2 is rotatably connected with the fixed shaft 3 through a bearing b14, the left side and the right side of the fixed shaft 3 penetrate through the middles of the two groups of lug plates 1, a screw block 5 is welded on the top of the outer surface of each lug plate 1, a screw rod 8 is spirally connected in each screw block 5, a sleeve 6 is sleeved on the outer side of the middle of the screw rod 8, clamping plates 9 are arranged at the upper end and the lower end, close to the sleeve 6, supporting rods, non-slip pad b10 is installed in the bearing a11 outside, contact piece 18 has been put to the recess front side bottom of assembly pulley 2, the jingle 15 is installed to contact piece 18 front side, spring 16 is installed to jingle 15 right side, connecting block 17 and connecting block 17 fixed setting are in otic placode 1 front side bottom are installed on spring 15 right side.

In the embodiment (as shown in fig. 1 and fig. 2), the screw 8, the non-slip pad a4 and the non-slip pad b10 are installed, the traction steel wire rope is placed in the groove of the pulley block 2, the screw 8 is rotated up and down, the clamping plate 9 of the screw 8 drives the sleeve 6 to lift, the height of the non-slip pad a4 outside the bearing a11 is adjusted, the increase and decrease of the contact surface between the non-slip pad a4 and the steel wire rope are realized, the friction force is increased, the object is prevented from being conveyed downwards too fast during the falling of the sky car, the stability of the falling object is ensured, the ring 18 of the ring 15 is arranged on the front side of the steel wire rope in the groove of the pulley block 2 by installing the ring 15 and the spring 16, the ring 18 is in a non-contact state, the broken wire of the steel wire rope is opened outwards and abutted against the ring 15 on the front side of the contact piece 18 in the lifting process of, the safety factor of the pulley block 2 is improved.

Wherein, the fixed shaft 3 is provided with an anti-drop rod 13 near the outer side of the ear plate 1.

In this embodiment (as shown in fig. 1), the anti-slip rod 13 is installed, so that the fixed shaft 3 can be prevented from slipping out through the anti-slip rod 13, and the stable operation of the device is ensured.

Wherein, the top of the screw rod 8 is provided with a rotating handle 7 and the middle parts of two sides of the front side of the rotating handle 7 are provided with anti-skid finger grooves.

In this embodiment (as shown in fig. 1), through installing turning handle 7, the staff accessible rotates 7 and drives screw rod 8 and goes up and down to connect soon, and is laborsaving convenient.

Wherein, the groove clearance of the pulley block 2 is not more than 15 percent of the diameter of the steel wire rope.

In the embodiment (as shown in fig. 1), the groove gap of the pulley block 2 does not exceed the diameter of the steel wire rope, so that the steel wire rope is prevented from derailing.

Wherein the contact sheet 18 is a porous foam article.

In the present embodiment (as shown in fig. 2), the contact piece 18 is made of porous foam, so that the weight of the contact piece 18 can be reduced, and the contact piece 18 can swing.

The working principle is as follows: it should be noted that the utility model relates to an unmanned on duty overhead traveling crane anti-skidding pulley block structure with high friction force, which comprises an ear plate 1, a pulley block 2, a fixed shaft 3, an anti-skidding pad a4, a screw block 5, a sleeve 6, a rotating handle 7, a screw 8, a clamping plate 9, an anti-skidding pad b10, a bearing a11, a support rod 12, an anti-skidding rod 13, a bearing b14, a bell 15, a spring 16, a connecting block 17 and a contact piece 18, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components can be known by technical manuals or conventional test methods, when the unmanned on duty overhead traveling crane anti-skidding pulley block structure with high friction force is used, two sets of ear plates 1 are arranged in a designated area of a crane and fixedly installed, the screw 8, the anti-skidding pad a4 and the anti-skidding pad b10 are installed, a traction steel wire rope is arranged in a groove of the overhead, and rotate the screw rod 8 from top to bottom, cardboard 9 of screw rod 8 drives sleeve 6 and goes up and down, a4 height of slipmat for adjusting the bearing a11 outside, realize the increase and decrease of slipmat a4 and wire rope contact surface, increase frictional force, prevent during the sky car junk, article are too fast to the gliding delivery, guarantee the stability of junk, through installing jingle bell 15 and spring 16, set up the contact piece 18 of jingle bell 15 in the front side of wire rope in the recess of assembly pulley 2, and be in non-contact state, in the wire rope lift in-process, the disconnected silk of wire rope opens and contradicts the jingle bell 15 of contact piece 18 front side to the outside, the rocking of spring 16 atress aggravation jingle bell 15, jingle bell 15 sends out the sound, be convenient for the staff in time to perceive and inspect wire rope, improve the factor of safety of assembly pulley.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an unmanned on duty overhead traveling crane antiskid pulley block structure of frictional force height, includes otic placode (1), its characterized in that: the pulley block is characterized in that the two sets of the lug plates (1) are arranged in parallel, a pulley block (2) is arranged between the two sets of the lug plates (1), an anti-slip pad a (4) is arranged on the surface of a groove in the middle of the pulley block (2), a bearing b (14) is arranged in the middle of the pulley block (2), a fixed shaft (3) is arranged in the middle of the bearing b (14), the pulley block (2) is rotatably connected with the fixed shaft (3) through the bearing b (14), the left side and the right side of the fixed shaft (3) penetrate through the middle of the two sets of the lug plates (1), a screw block (5) is welded on the top of the outer surface of each lug plate (1), a screw rod (8) is connected in the screw block (5) in a rotating mode, a sleeve (6) is sleeved on the outer side of the middle of the screw rod (8), clamping plates (9) are arranged at the upper end and the lower, branch (12) middle part outside is provided with bearing a (11), slipmat b (10) are installed in bearing a (11) outside, contact piece (18) have been put to the recess front side bottom of assembly pulley (2), jingle bell (15) are installed to contact piece (18) front side, spring (16) are installed on jingle bell (15) right side, connecting block (17) and connecting block (17) are installed on spring (16) right side and are fixed to be set up in otic placode (1) front side bottom.

2. The structure of claim 1, wherein the structure comprises: the outer side of the fixed shaft (3) close to the ear plate (1) is provided with an anti-drop rod (13).

3. The structure of claim 1, wherein the structure comprises: the top of the screw rod (8) is provided with a rotating handle (7) and the middle parts of two sides of the front side of the rotating handle (7) are provided with anti-skid finger grooves.

4. The structure of claim 1, wherein the structure comprises: the groove gap of the pulley block (2) is not more than 15% of the diameter of the steel wire rope.

5. The structure of claim 1, wherein the structure comprises: the contact sheet (18) is a porous foam article.