CN209797219U

CN209797219U - Tail rope suspension device of single-rope winding type elevator

Info

Publication number: CN209797219U
Application number: CN201920576004.2U
Authority: CN
Inventors: 张成文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2019-12-17
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a single rope winding type lifting machine tail rope linkage, its structure includes the side frame, the link, the adapter, the reinforcing plate, the horizontal stand, fastening screw, the truss, the bolt, the chevron piece, first thrust bearing, the butt joint platform, the pole, second thrust bearing, circle tail rope suspension body and melting chamber, through set up this single rope winding type lifting machine tail rope linkage in tail rope department, the biggest static tension difference has effectively been reduced, before using single rope winding type lifting machine tail rope linkage, the biggest static tension difference of wire rope is 115kN, critical value for relevant safety regulation requirement, there is the potential safety hazard, after installing tail rope linkage, the biggest static tension difference of wire rope is 107.8kN <115kN, the security of this equipment operation has effectively been improved.

Description

Tail rope suspension device of single-rope winding type elevator

Technical Field

The utility model relates to a mine lifting means technical field, concretely relates to single rope wound form lifting machine tail rope linkage.

Background

The single-rope winding type hoister does not generally need a tail rope suspension device due to the technical characteristics, the tail rope suspension device used by the single-rope winding type hoister becomes an important solution for solving the problem under the condition that the static tension difference of the hoister is close to or can not meet the safety regulation requirement, and the prior art is difficult to solve the problem of how to use the hoister under the condition that the static tension difference of part of single-rope winding type hoisters is close to or can not meet the safety regulation requirement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the tail rope suspension device of the single-rope winding type hoister is provided, the problem that how to use the hoister under the condition that the static tension difference of part of the single-rope winding type hoister is close to or can not meet the safety regulation requirement is difficult to solve in the prior art is solved, and the purpose of reducing the maximum static initial force difference F is achieved_cEffectively improving the running safety of the equipment.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a tail rope suspension device of a single-rope winding type elevator, which comprises an edge frame, a connecting frame, an adapter, a reinforcing plate, a horizontal frame, a fastening screw, a groove frame, a bolt, a mountain-shaped piece, a first thrust bearing, a butt joint platform, a column pole, a second thrust bearing, a round tail rope suspension body and a melting cavity, wherein the side surface of the edge frame is welded with the left surface of the connecting frame, the connecting frame and the horizontal frame are of an integrated structure, the connecting frame and the reinforcing plate are of an integrated structure, the inner side surface of the adapter is attached to the outer surface of the reinforcing plate, the inner surface of the adapter and the outer surface of the fastening screw are in threaded connection, a groove hole matched with the adapter is penetrated in the middle part of the bottom end of the horizontal frame, the outer surface of the adapter is embedded and installed at the inner side of the groove hole, the groove frame and the adapter are of an integrated structure, the outer surface of, the bottom end of the mountain-shaped part is welded to the top end of the butt joint table through electric arc, the outer surface of the bottom end of the butt joint table is in clearance fit with the inner surface of a first thrust bearing, the bottom end of the first thrust bearing is connected with the top end of a column rod, the outer surface of the bottom end of the column rod is in clearance fit with the inner surface of a second thrust bearing, and a melting cavity is arranged inside the round tail rope suspension body.

furthermore, a through melting cavity inside the round tail rope hanging body is welded with the outer surface of the tail rope head.

Furthermore, the rotating angle of the first thrust bearing and the second thrust bearing is 0-360 degrees.

Furthermore, the side frame is provided with 2 in total, and is axisymmetric along the link span.

Furthermore, the pole is of a cylindrical structure, and the side frame is of a trapezoidal structure.

Further, the horizontal length of the bolt is larger than the width of the slot frame.

Furthermore, the thickness of the connecting frame is larger than that of the side frame and the horizontal frame.

Furthermore, the horizontal frame is made of Q235 steel, and is high in strength, good in plasticity and good in toughness.

Furthermore, the pole is made of aluminum alloy, and has light weight and high hardness.

(III) advantageous effects

compared with the prior art, the utility model, following beneficial effect has:

1) The problem of how to use the lifting machine under the condition that partial single rope winding type lifting machine static tension difference is close or can not satisfy the safety regulation requirement for solving prior art is difficult to solve, through set up this single rope winding type lifting machine tail rope linkage in tail rope department, effectively reduced the biggest static tension difference, before using single rope winding type lifting machine tail rope linkage, the biggest static tension difference of wire rope: f_c＝(Q+P_sH) g is 115kN, is a critical value required by related safety regulations, has potential safety hazard, and after the tail rope suspension device is installed, the maximum static tension difference of the steel wire rope is F_c＝107.8kN<115kN, the running safety of the equipment is effectively improved.

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 structural view of a tail rope suspension device of a single rope winding type elevator of the present invention;

Fig. 2 is a schematic diagram of a tail rope suspension device of a single rope winding type hoisting machine when the tail rope is arranged.

In the figure: the device comprises a side frame-1, a connecting frame-2, an adapter-3, a reinforcing plate-4, a horizontal frame-5, a fastening screw-6, a groove frame-7, a bolt-8, a chevron-shaped piece-9, a first thrust bearing-10, a butt joint table-11, a column rod-12, a second thrust bearing-13, a round tail rope suspension body-14 and a melting cavity-15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the present invention provides a tail rope suspension device for a single rope winding type elevator: comprises a side frame 1, a connecting frame 2, an adapter 3, a reinforcing plate 4, a horizontal frame 5, a fastening screw 6, a groove frame 7, a bolt 8, a mountain-shaped piece 9, a first thrust bearing 10, a butt joint platform 11, a pole 12, a second thrust bearing 13, a round tail rope suspension body 14 and a melting cavity 15, wherein the side surface of the side frame 1 is welded with the left surface of the connecting frame 2, the connecting frame 2 and the horizontal frame 5 are in an integrated structure, the connecting frame 2 and the reinforcing plate 4 are in an integrated structure, the inner side surface of the adapter 3 is attached to the outer surface of the reinforcing plate 4, the inner surfaces of the adapter 3 and the reinforcing plate 4 are in threaded connection with the outer surface of the fastening screw 6, a groove hole matched with the adapter 3 is penetrated in the middle part of the bottom end of the horizontal frame 5, the outer surface of the adapter 3 is embedded in the inner side of the groove hole, the groove frame 7 and the adapter 3 are in an integrated structure, the outer surface of the mountain-shaped piece 9 is embedded in the inner, the bottom end of the chevron-shaped part 9 is welded on the top end of the butt joint platform 11 through electric arc, the outer surface of the bottom end of the butt joint platform 11 is in clearance fit with the inner surface of the first thrust bearing 10, the bottom end of the first thrust bearing 10 is connected with the top end of the column rod 12, the outer surface of the bottom end of the column rod 12 is in clearance fit with the inner surface of the second thrust bearing 13, and a melting cavity 15 is arranged inside the round tail rope suspension body 14.

Wherein, the inner through melting cavity 15 of the round tail rope hanging body 14 is welded with the outer surface of the tail rope head.

The rotation angles of the first thrust bearing 10 and the second thrust bearing 13 are 0-360 degrees, the rotation is flexible, and the tail rope position setting is facilitated.

Wherein, the frame 1 is equipped with 2 altogether, and is axisymmetric design along link 2, and the structure is comparatively stable.

Wherein, the post 12 is the cylinder structure, limit frame 1 is the trapezium structure, and easy laminating does benefit to the installation of device.

Wherein, the horizontal length of bolt 8 is greater than the width of cell rack 7, and fixed effect is better.

Wherein, the thickness of the connecting frame 2 is larger than the thickness of the side frame 1 and the horizontal frame 5.

Wherein, horizontal bracket 5 is made for Q235 steel, and intensity is high, plasticity, toughness are good.

The post rod 12 is made of aluminum alloy, and is light in weight and high in hardness.

According to the upper table show, the utility model discloses horizontal bracket 5 adopts the Q235 steel to make, and its intensity is higher, does benefit to supporting support, hangs the object.

The first thrust bearing 10 described in this patent is generally composed of two thrust washers or more thrust washers and a plurality of rolling bodies, the general thrust washers are divided into a shaft piece and a seat piece, the rolling bodies are generally combined into a whole by an iron or copper retainer in the most common mode, and the bearings of this type are most commonly steel ball type thrust bearings; the mountain-shaped part 9 is a special part matched with the device and has higher supporting strength.

The working principle is as follows: the side frame 1, the connecting frame 2 and the horizontal frame 5 form the connecting frame of the hanging device, when the hanging device is used, the hanging device is assembled according to the size of the bottom of a lifting container, the hanging device connecting frame of a single tail rope is manufactured and welded, a steel wire rope with the same specification as the lifting rope is selected as a tail rope, the length of the tail rope is determined according to the relative position of the lifting container, a round tail rope hanging body 14 with a second thrust bearing 13 capable of rotating freely is welded with the rope head of the tail rope and is connected and hung with the connecting frame, an anti-twisting detection switch is installed at the position 2 meters above a rope ring at the bottom of the tail rope, and by the mode, the maximum static state of the hoister can be effectively reducedTension difference, taking a 2JK-3.5 multiplied by 1.7 double-drum hoisting machine as an example, before the device is installed, the maximum static tension difference of the steel wire rope is as follows: f_c＝(Q+P_sH) 115kN, the critical value that is relevant safety regulation requirement, there is the potential safety hazard, does not accord with operation requirement, after installation tail rope suspension device, the biggest static tension difference of wire rope is F_c＝107.8kN<115kN, reduced maximum static initial force difference F_cThe safety of this equipment operation has effectively been improved, to single rope winding lifting machine characteristics, hangs single round tail rope, and to single rope winding lifting system promotion container very much, make and use the difference that tail rope suspended mode and multirope friction type lifting machine used multirail rope technical characteristics on single rope winding lifting machine, the intermediate position is the U font in figure 2 sets up the distribution position for the tail rope, single rope winding type lifting machine tail rope linkage and tail rope fag end top butt fusion.

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 a single rope winding formula lifting machine tail rope linkage which characterized in that: comprises an edge frame (1), a connecting frame (2), a joint head (3), a reinforcing plate (4), a horizontal frame (5), a fastening screw (6), a groove frame (7), a bolt (8), a mountain-shaped piece (9), a first thrust bearing (10), a butt joint platform (11), a column rod (12), a second thrust bearing (13), a round tail rope suspension body (14) and a melting cavity (15), wherein the side surface of the edge frame (1) is welded with the left surface of the connecting frame (2), the connecting frame (2) and the horizontal frame (5) are of an integrated structure, the connecting frame (2) and the reinforcing plate (4) are of an integrated structure, the inner side surface of the joint head (3) is attached to the outer surface of the reinforcing plate (4), the inner surface of the joint head (3) and the inner surface of the reinforcing plate (4) are in threaded connection with the outer surface of the fastening screw (6), a groove hole matched with the joint head (3) penetrates through the middle part of the bottom end of the horizontal frame (5, and the surface of the joint (3) is embedded in the inner side of the slotted hole, the slotted frame (7) and the joint (3) are of an integrated structure, the outer surface of the mountain-shaped part (9) is nested with the inner surface of the slotted frame (7), the mountain-shaped part (9) is connected with the slotted frame (7) through a bolt (8), the bottom end of the mountain-shaped part (9) is welded on the top end of the butt joint platform (11) through electric arc, the outer surface of the bottom end of the butt joint platform (11) is in clearance fit with the inner surface of the first thrust bearing (10), the bottom end of the first thrust bearing (10) is connected with the top end of the column rod (12), the outer surface of the bottom end of the column rod (12) is in clearance fit with the inner surface of the second thrust bearing (13), and the melting cavity (15.

2. The tail rope suspension device of the single rope winding type hoister in claim 1, wherein: the inner through melting cavity (15) of the round tail rope hanging body (14) is welded with the outer surface of the tail rope head.

3. The tail rope suspension device of the single rope winding type hoister in claim 1, wherein: the rotating angles of the first thrust bearing (10) and the second thrust bearing (13) are 0-360 degrees.

4. The tail rope suspension device of the single rope winding type hoister in claim 1, wherein: the number of the side frames (1) is 2, and the side frames are in axisymmetric design along the connecting frame (2).

5. The tail rope suspension device of the single rope winding type hoister in claim 1, wherein: the post rod (12) is of a cylindrical structure, and the side frame (1) is of a trapezoidal structure.

6. The tail rope suspension device of the single rope winding type hoister in claim 1, wherein: the horizontal length of the bolt (8) is larger than the width of the slot frame (7).

7. The tail rope suspension device of the single rope winding type hoister in claim 1, wherein: the thickness of the connecting frame (2) is larger than that of the side frame (1) and the horizontal frame (5).