CN215092922U

CN215092922U - Vertical mill support

Info

Publication number: CN215092922U
Application number: CN202120249085.2U
Authority: CN
Inventors: 孟俊杰; 朱宽平; 曹国锋; 胡海兵; 赵建; 杜晓
Original assignee: Nanjing Xipu Heavy Machinery Co ltd
Current assignee: Nanjing Xipu Heavy Machinery Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-10
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a vertical mill support, which comprises more than two hollow upright posts, wherein the hollow upright posts are uniformly distributed along the circumference; the bottom of the hollow upright post is provided with a leveling bolt for leveling the hollow upright post, and the leveling bolt is positioned on the outer side of the hollow upright post; the inner side of the hollow upright post is provided with a foundation bolt, the upper end of the foundation bolt is positioned above the leveling bolt, and the lower end of the foundation bolt is positioned below the hollow upright post; a connecting bridge is connected between the tops of the adjacent hollow upright columns; the utility model provides a stand and grind support weight is little, and production, transportation and installation cost are low.

Description

Vertical mill support

Technical Field

The utility model relates to a cement grinds technical field immediately, concretely relates to immediately grinds support.

Background

At present, in various conventional vertical mills, steel brackets are generally adopted for the design of the brackets, and a few concrete brackets are used. The steel support is generally installed on an integral steel base or an independent base, and is welded on the base through leveling and fastening, and the upper part of the steel support is welded into a whole through a steel beam structure. The whole base or the independent base is required to be firstly leveled, then the support is leveled, the adjustment is carried out twice, and finally the welding is required, so that the workload is large regardless of alignment and leveling or welding. In addition, the weight of the steel base is not little, the production cost of the whole steel frame is high, and the transportation and installation cost is also high. The upright columns used in the prior art vertical mill support are generally hollow, different in detailed structures, but substantially the same in basic outline structure, as shown in the attached

drawings

1, 2 and 3 in the specification, when the vertical mill support is implemented, the vertical mill support is matched with a base for use, when the vertical mill support is specifically installed, a concrete foundation is poured according to requirements, then the base is installed on the concrete foundation, and then the upright columns are installed on the base in a welding mode.

Disclosure of Invention

The utility model aims to solve the technical problems of large weight of the vertical mill support and high production, transportation and installation costs in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a vertical mill support comprises more than two hollow upright columns, wherein the hollow upright columns are uniformly distributed along the circumference; the bottom of the hollow upright post is provided with a leveling bolt for leveling the hollow upright post, and the leveling bolt is positioned on the outer side of the hollow upright post; the inner side of the hollow upright post is provided with a foundation bolt, the upper end of the foundation bolt is positioned above the leveling bolt, and the lower end of the foundation bolt is positioned below the hollow upright post; and a connecting bridge is connected between the tops of the adjacent hollow upright columns.

The hollow upright columns in the utility model can adopt the upright columns commonly used in the vertical grinding support in the prior art, the tops of the adjacent hollow upright columns are connected through the connecting bridge, and the upper structure of the support is stable; during implementation, a concrete foundation needs to be arranged in a matched mode, the lower portion of the hollow upright post is installed in the concrete foundation through the foundation bolt, and therefore the hollow upright post and the concrete foundation are connected into a whole, and therefore the bottom structure of the whole support is still stable although a base is not arranged; the vertical mill bracket has the advantages that the structure is stable, the use effect can be ensured, the base does not need to be arranged, the structure is simple, the weight of the vertical mill bracket is reduced, the production and transportation are more convenient, and the production and transportation cost is reduced; when concrete installation, earlier pour the concrete foundation according to actual demand, and be equipped with the mounting groove that holds rag bolt and cavity stand lower part on the concrete foundation, then with the mounting groove of cavity stand location on the concrete foundation in, it is vertical to keep rag bolt, reuse leveling bolt leveling cavity stand, then carry out grout once to the mounting groove that holds rag bolt, screw up rag bolt upper end again, connect bridge and cavity stand, carry out the secondary grout to the mounting groove that holds cavity stand lower part at last, thereby form a firm supporting structure with the cavity stand through bridge of connection and concrete foundation, from this, the utility model discloses well work load is less during installation, has reduced installation cost. Additionally, the utility model discloses set up leveling bolt in the cavity stand outside, make things convenient for the leveling operation, large-scale rag bolt's the tightening all has dedicated instrument, for example hydraulic wrench or bolt preloader etc. can not account for very big space, consequently, set up rag bolt inboard at the cavity stand, can increase cavity stand maintenance space all around.

It is right to the utility model discloses technical scheme's further injectment, be equipped with the rag bolt support on the inner wall of cavity stand, rag bolt's upper end is installed on the rag bolt support. The foundation bolt is arranged on the inner side of the hollow upright post through a foundation bolt support.

It is right to the utility model discloses technical scheme's further injectment, the leveling bolt passes through the leveling flange and installs on the cavity stand. The flange is arranged, so that the contact area between the bottom of the hollow upright post and a concrete foundation can be increased, the supporting area is increased, and the structure is more stable.

It is right to the utility model discloses technical scheme's further injectment, a plurality of screw holes are seted up along the periphery to the leveling flange for install the leveling bolt. And a plurality of threaded holes are formed along the periphery of the leveling flange for mounting leveling bolts, so that the leveling effect is better.

It is right the utility model discloses technical scheme's further injectment, a plurality of through-holes have been seted up to the part that lies in between leveling bolt and rag bolt on the cavity stand. The through holes can connect the concrete inside and outside the hollow upright post into a whole, so that the hollow upright post and the concrete are combined more tightly, and the structure is more stable.

It is right to the utility model discloses technical scheme's further injectment, cavity stand quantity is two, three, four or six. Four basic arrangements are common, with two, three, four or six hollow uprights.

The utility model has the advantages that: 1) the utility model provides a stand and grind support weight is little, and production, transportation and installation cost are low.

2) The utility model provides a stand and grind support simple structure and firm.

Drawings

Fig. 1 is a front view of a prior art center pillar.

Fig. 2 is a side view of a prior art center pillar.

Fig. 3 is a rear view of a prior art center pillar.

Fig. 4 is a front view of the hollow upright of the present invention.

Fig. 5 is a side view of the hollow upright of the present invention.

Fig. 6 is a rear view of the hollow upright of the present invention.

Fig. 7 is a cross-sectional view of the hollow upright of the present invention.

Fig. 8 is a bottom view of the present invention.

FIG. 9 is a schematic view taken from direction A-A in FIG. 5

Fig. 10 is a schematic view of direction B in fig. 5.

Fig. 11 is a schematic structural view of the concrete foundation of the present invention.

In the figure, a column 1; a leveling flange 11; a threaded hole 111; a through hole 12; a foundation bolt support 13; a leveling bolt 2; anchor bolts 3; a connecting bridge 4; a concrete foundation 5; anchoring the reinforcing bars 6.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIGS. 1, 2 and 3 are front, side and rear views, respectively, of the basic profile structure of a post used in a prior art stand mill stand; fig. 4, 5 and 6 are a front view, a side view and a rear view of the hollow column 1 of the present embodiment, respectively, in which the leveling bolts 2 and the anchor bolts 3 are omitted in fig. 4, 5 and 6, and fig. 7 is a sectional view of the hollow column 1 of the present embodiment. As shown in fig. 1, 2 and 3, the upright used in the prior art vertical mill support is generally hollow, the detailed structure of the upright used in different production equipment is different, but the basic outline structure thereof is substantially the same, as shown in fig. 4 to 11, the hollow upright 1 in the present embodiment adopts the upright with the basic outline structure as shown in fig. 1, 2 and 3, and other detailed structures are specifically designed according to different specific production scenes, and the technical means is a conventional technical means in the application of the prior art vertical mill support, which is not an improvement point of the present invention, and is not described in detail herein. Fig. 8 is a bottom view of the vertical mill stand according to the embodiment after installation, in the embodiment, a concrete foundation 5 needs to be installed in cooperation with the stand, and the anchor bolts 3 and the concrete foundation 5 are omitted in fig. 8. Fig. 9 is a schematic structural view of the hollow column 1 and the anchor bolt support 13. Fig. 10 is a schematic structural view of the leveling flange 11. Fig. 11 is a schematic structural view of the concrete foundation and the present embodiment, and a hollow upright 1 is omitted in fig. 11.

As shown in fig. 4 to 11, a vertical mill support comprises more than two hollow upright posts 1, wherein the hollow upright posts 1 are uniformly distributed along the circumference; the bottom of the hollow upright post 1 is provided with a leveling bolt 2 for leveling the hollow upright post 1, and the leveling bolt 2 is positioned at the outer side of the hollow upright post 1; an anchor bolt 3 is arranged on the inner side of the hollow upright post 1, the upper end of the anchor bolt 3 is positioned above the leveling bolt 2, and the lower end of the anchor bolt 3 is positioned below the hollow upright post 1; and a connecting bridge 4 is connected between the tops of the adjacent hollow upright posts 1.

In the present embodiment, the hollow column 1 is a column as shown in fig. 1, 2 and 3, and although the anchor bolt support 13 is provided on the inner wall of the hollow column 1, the column structure does not hinder the tightening operation of the anchor bolt 3 at the time of installation. The quantity of cavity stand 1 is four, and the quantity of connecting bridge 4 is four, connects bridge 4 and adopts the steel material that the support was used commonly among the prior art immediately, connects the connected mode between bridge 4 and the cavity stand 1 for the welding. The foundation bolt 3 adopts conventional parts in the prior art, the upper end is a screw rod, the lower end is a bending structure, an anchoring reinforcing steel bar 6 is welded in the bending structure, and a matched nut is arranged on the screw rod. As shown in fig. 11, during specific installation, it is necessary to cast the concrete foundation 5 according to actual requirements, and preset an installation groove for accommodating the lower end of the anchor bolt 3 and the lower portion of the hollow upright post 1 on the concrete foundation 5.

In this embodiment, an anchor bolt support 13 is provided on the inner wall of the hollow column 1, and the upper end of the anchor bolt 3 is mounted on the anchor bolt support 13 as shown in fig. 9. Specifically, the nut on the upper end screw of the foundation bolt 3 is unscrewed, the bolt hole matched with the foundation bolt 3 is formed in the foundation bolt support 13, the upper end screw of the foundation bolt 3 penetrates through the bolt hole from bottom to top, and the screwed nut is sleeved on the screw, so that the upper end of the foundation bolt 3 is installed.

In the embodiment, the leveling bolt 2 is arranged on the upright post 1 through the leveling flange 11; the leveling flange 11 is provided with a plurality of threaded holes 111 along the periphery for mounting the leveling bolts 2. Specifically, the internal thread of the threaded hole 111 is matched with the external thread of the leveling bolt 2, and the threaded hole 111 is connected with the leveling bolt 2 through a thread pair. As shown in fig. 10, the leveling flange 11 in the present embodiment is an irregular ring structure, the bottom surface of the hollow upright 1 is welded on the upper surface of the leveling flange 11, and the dotted line portion in fig. 6 is the welding position of the hollow upright 1 on the leveling flange 11.

In this embodiment, a plurality of through holes 12 are formed in a portion of each hollow column 1 located between the leveling bolt 2 and the anchor bolt 3.

This embodiment is installed: pour concrete foundation 5 according to actual demand earlier, and reserve the mounting groove that holds rag bolt 3 and hollow stand 1 lower part on concrete foundation 5, erect hollow stand 1 and keep rag bolt 3 vertical when on concrete foundation 5, thereby in the mounting groove with hollow stand 1 location on concrete foundation 5, reuse leveling bolt 2 leveling hollow stand 1, then carry out the grout once to the mounting groove that holds rag bolt 3 lower extreme, again screw up rag bolt 3, pass through welded connection with connecting bridge 4 and hollow stand 1, carry out the secondary grout to holding hollow stand 1 lower part mounting groove at last.

Claims

1. A vertical mill support is characterized in that: the device comprises more than two hollow upright posts (1), wherein the hollow upright posts (1) are uniformly distributed along the circumference;

the bottom of the hollow upright post (1) is provided with a leveling bolt (2) for leveling the hollow upright post (1), and the leveling bolt (2) is positioned on the outer side of the hollow upright post (1);

the inner side of the hollow upright post (1) is provided with an anchor bolt (3), the upper end of the anchor bolt (3) is positioned above the leveling bolt (2), and the lower end of the anchor bolt (3) is positioned below the hollow upright post (1);

and a connecting bridge (4) is connected between the tops of the adjacent hollow upright columns (1).

2. A vertical mill stand according to claim 1, wherein: be equipped with rag bolt support (13) on the inner wall of cavity stand (1), the upper end of rag bolt (3) is installed on rag bolt support (13).

3. A vertical mill stand according to claim 1, wherein: the leveling bolts (2) are installed on the hollow upright post (1) through leveling flanges (11).

4. A vertical mill stand according to claim 3, wherein: the leveling flange (11) is provided with a plurality of threaded holes (111) along the periphery for installing leveling bolts (2).

5. A vertical mill stand according to claim 1, wherein: a plurality of through holes (12) are formed in the part, located between the leveling bolt (2) and the foundation bolt (3), of the hollow upright post (1).

6. A stand mill support according to any one of claims 1 to 5, wherein: the number of the hollow upright posts (1) is two, three, four or six.