CN216004954U

CN216004954U - Overhauling device for lifting head sheave of coal mine vertical shaft derrick

Info

Publication number: CN216004954U
Application number: CN202122521570.3U
Authority: CN
Inventors: 薛大伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-11
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to the technical field of coal mine vertical shaft derrick devices, in particular to an overhauling device for a coal mine vertical shaft derrick hoisting head sheave, the top of the derrick body is respectively and fixedly connected with a head sheave platform for installing an upper head sheave and a lower head sheave, and also comprises a cross beam and a lifting lug ring, two ends of the cross beam are respectively and fixedly connected with the inner side of the connecting beam at the top end of the derrick body, the bottoms of the cross beams close to the two ends are respectively clamped with a first clamping groove, the positions of the bottom of the head sheave platform close to the two ends, which is used for installing the upper head sheave, on the derrick body are respectively and fixedly connected with a second clamping groove, the middle parts of the bottom surfaces of the first clamping groove and the second clamping groove are respectively provided with a first spherical surface groove and a second spherical surface groove, a ball body is arranged at the top end of the lifting ear ring and is respectively rotatably sleeved in the first spherical groove and the second spherical groove; the problem of lower efficiency of installing, changing, maintaining the colliery vertical shaft derrick hoisting head sheave is solved.

Description

Overhauling device for lifting head sheave of coal mine vertical shaft derrick

Technical Field

The utility model relates to a colliery vertical derrick technical field specifically is an overhaul device that is used for colliery vertical derrick to promote head sheave.

Background

The coal mine vertical shaft derrick is an important hoisting device in the coal mine production process, and the hoisting head sheave is an important facility for realizing the functions of the hoisting head sheave. Therefore, the installation and maintenance of the head sheave have been one of the most important tasks in the use of the derrick. With the development of heavy hoisting equipment of 500t and above, the hoisting of the derrick and the head sheave is increasingly carried out with the aid of heavy cranes.

At present, an upper head sheave platform and a lower head sheave platform are mainly arranged at the top of a coal mine vertical shaft derrick, and two head sheaves are respectively and correspondingly rotatably arranged on the head sheave platform. When the head sheave is installed, the head sheave is adjusted to a corresponding head sheave platform by using a heavy crane, and then the head sheave is moved to an installation position by adjusting the position of a crane boom. Similarly, when the head sheave is dismantled and overhauled, the position of the head sheave also needs to be finely adjusted by using a crane, so that the operation is troublesome and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhaul device for colliery vertical derrick promotes head sheave for solve among the prior art and promote the head sheave to colliery vertical derrick and install, change, the lower problem of maintenance efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overhaul device for colliery vertical derrick promotes head sheave, includes derrick body and tie-beam, derrick body top difference fixedly connected with is used for installing the head sheave platform of head sheave and lower head sheave, still includes the crossbeam and lifts by crane the earrings, the both ends difference fixed connection of crossbeam is in derrick body top the tie-beam is inboard, the bottom that the crossbeam is close to both ends clamps first draw-in groove respectively, be used for installing the head sheave on the derrick body the head sheave platform bottom is close to both ends position difference fixedly connected with second draw-in groove, first spherical recess and second spherical recess have been seted up respectively to the middle part of first draw-in groove and second draw-in groove bottom surface, it is provided with the spheroid to lift by crane the top of earrings, the spheroid rotate respectively cup joint in first spherical recess and second spherical recess.

Preferably, the position of the cross beam corresponding to the top of the first clamping groove is respectively sleeved with a pin shaft along the horizontal direction, and the front side and the rear side of the top of the first clamping groove are respectively provided with a through hole sleeved with the front end and the rear end of the pin shaft.

Preferably, the second clamping groove is welded at the bottom of the corresponding head sheave platform.

Preferably, the cross section of the first spherical groove and the cross section of the second spherical groove in the vertical direction are in an optimal arc shape.

Preferably, the edges of the openings of the first spherical groove and the second spherical groove are provided with rounding structures.

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

1. the lifting lug ring is convenient for hanging the chain block, after the hoisting machine lifts the head sheave to the head sheave platform, the chain block is utilized to draw and finely adjust the position of the head sheave, thereby improving the installation efficiency of the head sheave; when the head sheave is overhauled, the hand chain block is conveniently hung to drag and position the head sheave by the aid of the lifting lugs, so that overhauling efficiency of the head sheave is improved.

2. The utility model relates to a head sheave overhauls auxiliary device low cost, is convenient for install and reforms transform it on current derrick, easily promotes.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is a schematic perspective view of a first slot of the present invention;

fig. 4 is a schematic perspective view of a second slot of the present invention.

In the figure: 1-a derrick body; 11-a connecting beam; 12-a head sheave platform; 2-a cross beam; 3-a first card slot; 31-a first spherical groove; 32-a via hole; 4-a second card slot; 41-a second spherical groove; 5-lifting the earrings; 51-sphere; 6-pin shaft.

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.

Please refer to fig. 1-4, the utility model provides a technical scheme, an overhaul device for coal mine vertical shaft derrick hoisting head sheave, including derrick body 1 and tie-beam 11, derrick body 1 top is fixedly connected with head sheave platform 12 that is used for installing head sheave and lower head sheave respectively, still include crossbeam 2 and lift by crane earrings 5, crossbeam 2's both ends are fixed connection respectively and are inboard at the tie-beam 11 on derrick body 1 top, crossbeam 2 is close to the bottom at both ends and has clamped first draw-in groove 3 respectively, be used for installing head sheave platform 12 bottom of head sheave on derrick body 1 and be close to both ends position fixedly connected with second draw-in groove 4 respectively, first spherical recess 31 and second spherical recess 41 have been seted up respectively at the middle part of first draw-in groove 3 and second draw-in groove 4 bottom surface, the top of lifting earrings 5 is provided with spheroid 51, spheroid 51 rotates respectively and cup joints in first spherical recess 31 and second spherical recess 41.

In this embodiment, the position of the cross beam 2 corresponding to the top of the first slot 3 is respectively sleeved with the pin shaft 6 along the horizontal direction, and the front side and the rear side of the top of the first slot 3 are respectively provided with the through holes 32 sleeved with the front end and the rear end of the pin shaft 6.

In this embodiment, the second locking slot 4 is welded at the bottom of the corresponding head sheave platform 12.

In the present embodiment, the cross-section of the first spherical recess 31 and the second spherical recess 41 in the vertical direction is preferably arc-shaped.

In the present embodiment, the edges at the openings of the first spherical groove 31 and the second spherical groove 41 are provided with rounded structures.

The working principle is as follows: when the head sheave is installed, the head sheave is firstly hoisted to the corresponding platform 12 by using a heavy crane, then a chain block is hung on the corresponding hoisting lug ring 5, the hook of the chain block is connected to the head sheave, and the head sheave is conveniently drawn and positioned by the chain block so as to realize the quick installation of the head sheave; when the head sheave needs to be overhauled, a chain block is hung on the lifting lug ring 5 corresponding to the head sheave, a hook of the chain block is connected to the head sheave, and the head sheave is conveniently drawn and adjusted through the chain block, so that the head sheave is quickly overhauled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 an overhaul device that is used for colliery vertical shaft derrick to promote head sheave, includes derrick body (1) and tie-beam (11), derrick body (1) top difference fixedly connected with is used for installing head sheave and head sheave platform (12) of head sheave down, its characterized in that: still include crossbeam (2) and lift by crane earrings (5), the both ends difference fixed connection of crossbeam (2) be in derrick body (1) top tie-beam (11) are inboard, crossbeam (2) are close to the bottom at both ends and have clamped first draw-in groove (3) respectively, be used for installing the head sheave on derrick body (1) head sheave platform (12) bottom is close to both ends position difference fixedly connected with second draw-in groove (4), first spherical recess (31) and second spherical recess (41) have been seted up respectively to the middle part of first draw-in groove (3) and second draw-in groove (4) bottom surface, the top of lifting by crane earrings (5) is provided with spheroid (51), spheroid (51) rotate respectively cup joint in first spherical recess (31) and second spherical recess (41).

2. An overhaul apparatus for a coal mine vertical derrick hoisting head sheave according to claim 1, wherein: the positions, corresponding to the tops of the first clamping grooves (3), of the cross beam (2) are respectively sleeved with a pin shaft (6) along the horizontal direction, and through holes (32) which are sleeved with the front end and the rear end of the pin shaft (6) are respectively formed in the front side and the rear side of the top of the first clamping groove (3).

3. An overhaul apparatus for a coal mine vertical derrick hoisting head sheave according to claim 1, wherein: the second clamping grooves (4) are welded at the bottoms of the corresponding head sheave platforms (12).

4. An overhaul apparatus for a coal mine vertical derrick hoisting head sheave according to claim 1, wherein: the sections of the first spherical groove (31) and the second spherical groove (41) in the vertical direction are in an optimal arc shape.

5. An overhaul apparatus for a coal mine vertical derrick hoisting head sheave according to claim 4, wherein: the edges of the openings of the first spherical groove (31) and the second spherical groove (41) are provided with rounding structures.