阅读说明：本技术 轧机支撑辊鞍座径向高度差基准定位测量装置和使用方法 (Reference positioning and measuring device for radial height difference of rolling mill support roller saddle and using method ) 是由 张和平 于 2020-05-21 设计创作，主要内容包括：本发明涉及一种轧机支撑辊鞍座径向高度差基准定位测量装置和使用方法,包括基座、中心轴、定位靠山、升降调节机构和千分表,中心轴水平安装在基座上,定位靠山通过中心套孔可更换地装套在中心轴上,定位靠山包括定位套筒和位于定位套筒端部的限位挡板,定位套筒外周设有用于固定相适配的鞍座的定位固定槽,升降调节机构沿竖向安装在基座上,千分表安装在升降调节机构上并能够调整升降,千分表位于定位靠山的正上方且检测头与定位靠山相对。本发明能够实现相同类型鞍座之间径向高度差的快速检测,能够满足不同类型鞍座的测量需要,为后续鞍座配合性安装提供数据支持。(The invention relates to a rolling mill support roller saddle radial height difference datum positioning and measuring device and a using method thereof, and the rolling mill support roller saddle radial height difference datum positioning and measuring device comprises a base, a central shaft, a positioning backer, a lifting adjusting mechanism and a dial indicator, wherein the central shaft is horizontally arranged on the base, the positioning backer is replaceably sleeved on the central shaft through a central sleeve hole, the positioning backer comprises a positioning sleeve and a limiting baffle plate positioned at the end part of the positioning sleeve, a positioning fixing groove for fixing the saddle matched with the stationary phase is arranged on the periphery of the positioning sleeve, the lifting adjusting mechanism is vertically arranged on the base, the dial indicator is arranged on the lifting adjusting mechanism and can adjust the lifting, the dial indicator is positioned right above the positioning backer, and a. The invention can realize the rapid detection of the radial height difference between saddles of the same type, can meet the measurement requirements of saddles of different types, and provides data support for the subsequent saddle matching installation.)

1. The utility model provides a rolling mill backing roll saddle radial height difference benchmark location measuring device, includes base (1), center pin (2), location backer (3), lift adjustment mechanism and amesdial (4), its characterized in that: center pin (2) horizontal installation is on base (1), location backer (3) are adorned on center pin (2) through central trepanning (3-4) replaceably, location backer (3) include positioning sleeve (3-1) and be located positioning sleeve (3-1) limit baffle (3-2) of tip, positioning sleeve (3-1) periphery is equipped with location fixed slot (3-3) that are used for saddle (5) of stationary phase adaptation, lift adjustment mechanism is along vertical installation on base (1), amesdial (4) are installed on lift adjustment mechanism and can be adjusted and go up and down, amesdial (4) are located directly over location backer (3) and detect the head and are relative with location backer (3).

2. The rolling mill support roller saddle radial height difference reference positioning measuring device according to claim 1, characterized in that: lifting adjusting mechanism includes guide support pole (6), rack (7), gear slider (8), adjust knob (9) and connection piece (10), vertical the installing on base (1) of guide support pole (6), rack (7) are installed on guide support pole (6), gear slider (8) slidable ground is connected on guide support pole (6) and inside gear and rack (7) meshing form the transmission pair, adjust knob (7) and gear connection, connection piece (8) are installed on gear slider (8), amesdial (4) set up on connection piece (8).

3. The rolling mill support roller saddle radial height difference reference positioning measuring device according to claim 1, characterized in that: when the saddle (5) is fixedly positioned on the positioning backrest (3), the bearing bush (5-1) of the saddle (5) is placed on the positioning sleeve (3-1), the end part of the bearing bush is abutted against the limiting baffle (3-2), and the saddle (5) is fittingly sleeved and locked in the positioning fixing groove (3-3) through the hoop (5-2) on the inner side of the bearing bush (5-1) and fixed on the positioning backrest (3).

4. The rolling mill support roller saddle radial height difference reference positioning measuring device of claim 3, wherein: the outer diameter of the positioning sleeve (3-1) is matched with the inner diameter of a bearing bush (5-1) of the saddle (5) which is matched with the outer diameter of the positioning sleeve.

5. The use method of the rolling mill support roller saddle radial height difference reference positioning measuring device of claim 1 comprises the following steps: the method comprises the following steps:

(1) selecting a matched positioning backrest (3) according to a saddle (5), and sleeving the positioning backrest (3) on the central shaft (2);

(2) selecting a first saddle (5), placing a bearing bush (5-1) of the saddle (5) on a positioning sleeve (3-1), enabling the end part of the bearing bush to abut against a limiting baffle (3-2), and sleeving and locking the bearing bush (5-1) on a positioning fixing groove (3-3) in a matched manner through an anchor ear (5-2) on the inner side of the bearing bush (5-1) so as to fix the saddle (5) in a positioning backer

(3) The bearing bush (5-1) of the saddle (5) is opposite to the dial indicator (4);

(3) the height of the dial indicator (4) is adjusted through the lifting adjusting mechanism, so that a detection head of the dial indicator (4) is in contact with the outer side face of a bearing bush (5-1) of the saddle (5), and the index of the dial indicator (4) is zero;

(4) the first saddle (5) is dismounted, and the radial height difference between the plurality of subsequent saddles (5) and the first saddle (5) is detected in sequence as required by taking the radial size of the first saddle (5) as a reference;

(5) and selecting proper saddles (5) according to the detection result, arranging the positions of the saddles (5) mounted on the supporting rollers, and controlling the height difference of the radial dimension between the adjacent saddles (5) to be within 0.02 mm.

Technical Field

The invention belongs to the technical field of installation of rolling mill supporting roller saddles, and particularly relates to a rolling mill supporting roller saddle radial height difference reference positioning and measuring device and a using method thereof.

Background

The supporting roll of the multi-roll mill is connected with saddles through cylindrical bearings, and the saddles are arranged in a row along the length direction of the supporting roll. When the saddles on the same supporting roll are installed, the radial sizes (radial height between the center of a saddle bearing bush and the outer side surface) of the saddles at different positions along the length direction of the supporting roll are required to be configured (in principle, the radial height of the saddles is gradually increased from the middle of the supporting roll to two sides), and meanwhile, the radial height difference between the adjacent saddles is required to meet the precision requirement of a rolling mill so as to meet the control requirement on the strip steel plate type.

The use of saddles in different positions of the support rollers causes a non-uniform degree of wear, resulting in a non-uniform radial height dimension between the saddles, even of the same type. The existing method for installing the saddle randomly selects the saddle from multiple sets of saddles to install, cannot guarantee the radial size distribution requirement and the precision requirement of the saddle, and causes the strip steel plate type to be difficult to control.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a rolling mill support roller saddle radial height difference reference positioning and measuring device and a using method thereof, so that the radial height difference between saddles of the same type can be quickly detected, the measuring requirements of saddles of different types can be met, and data support is provided for the subsequent saddle matching installation.

The technical scheme adopted by the invention for solving the technical problem is to provide a rolling mill support roller saddle radial height difference reference positioning and measuring device which comprises a base, a central shaft, a positioning backer, a lifting adjusting mechanism and a dial indicator, wherein the central shaft is horizontally arranged on the base, the positioning backer is replaceably sleeved on the central shaft through a central sleeve hole, the positioning backer comprises a positioning sleeve and a limiting baffle plate positioned at the end part of the positioning sleeve, a positioning fixing groove for fixing the saddle matched with the stationary phase is arranged on the periphery of the positioning sleeve, the lifting adjusting mechanism is vertically arranged on the base, the dial indicator is arranged on the lifting adjusting mechanism and can adjust the lifting, the dial indicator is positioned right above the positioning backer, and a detection head is opposite to the positioning backer.

The lifting adjusting mechanism comprises a guide supporting rod, a rack, a gear slider, an adjusting knob and a connecting piece, wherein the guide supporting rod is vertically installed on the base, the rack is installed on the guide supporting rod, the gear slider is connected to the guide supporting rod in a sliding mode, and an internal gear is meshed with the rack to form a transmission pair, the adjusting knob is connected with a gear, the connecting piece is installed on the gear slider, and the dial indicator is arranged on the connecting piece.

When the saddle is fixed on the positioning backer, the bearing bush of the saddle is placed on the positioning sleeve, the end part of the bearing bush is abutted against the limiting baffle, and the saddle is matched, sleeved and locked in the positioning fixing groove through the hoop on the inner side of the bearing bush and fixed on the positioning backer.

The outer diameter of the positioning sleeve is matched with the inner diameter of a bearing bush of the saddle which is matched with the outer diameter of the positioning sleeve.

The technical scheme adopted by the invention for solving the technical problem is to provide a use method of the rolling mill support roller saddle radial height difference reference positioning and measuring device, which comprises the following steps: the method comprises the following steps:

(1) selecting a matched positioning backer according to a saddle, and sleeving the positioning backer on a central shaft;

(2) selecting a first saddle, placing a bearing bush of the saddle on a positioning sleeve, enabling the end part of the bearing bush to abut against a limiting baffle, and sleeving and locking the bearing bush in a positioning fixing groove in a matched manner through an anchor ear on the inner side of the bearing bush so as to position and fix the saddle on a positioning backer, wherein the bearing bush of the saddle is opposite to a dial indicator;

(3) the height of the dial indicator is adjusted through the lifting adjusting mechanism, so that a detection head of the dial indicator is in contact with the outer side face of a bearing bush of the saddle, and the number of the dial indicator is zero;

(4) the first saddle is dismounted, and the radial height difference between the plurality of subsequent saddles and the first saddle is detected in sequence as required by taking the radial size of the first saddle as a reference;

(5) and selecting proper saddles according to the detection result, arranging the saddles to be arranged and installed on the supporting rollers, and controlling the height difference of the radial dimension between the adjacent saddles within 0.02 mm.

Advantageous effects

Firstly, the measuring device can position the central shaft of the saddle, and can realize the rapid and accurate detection of the radial height difference (the difference value of the radial dimension from the center of a saddle bearing bush to the outer side surface) between different saddle units in the same type of saddle by taking the first saddle as a reference, thereby providing data support for the subsequent saddle matching installation, being beneficial to subsequently selecting the saddle with proper radial dimension and determining the distribution position of each saddle when the saddles are arranged and installed on a supporting roll, ensuring that the radial height difference between the connected saddles meets the precision requirement of a rolling mill, and being beneficial to the control of the strip steel plate type.

Secondly, in the invention, the positioning backer is a detachable and replaceable structure, the height of the dial indicator can be adjusted in a lifting way, and the positioning backer can be suitable for the detection requirements of different types of saddle radial height differences by replacing the adaptive positioning backer and correspondingly adjusting the height of the dial indicator, so that the applicability is wider.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the positioning backer.

Figure 3 is a schematic view of the structure of the saddle.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

The reference positioning and measuring device for the radial height difference of the rolling mill support roller saddle shown in figure 1 comprises a base 1, a central shaft 2, a positioning backer 3, a lifting adjusting mechanism and a dial indicator 4.

The central shaft 2 is horizontally arranged on the base 1, and the central shaft 2 is used for sleeving the positioning backer 3 and positioning the central shaft of the saddle 5.

As shown in figure 2, the positioning backrest 3 comprises a positioning sleeve 3-1 and a limit baffle 3-2 arranged at the end part of the positioning sleeve 3-1, and the outer diameter of the positioning sleeve 3-1 is matched with the inner diameter of a bearing bush 5-1 of a saddle 5 which is matched with the outer diameter of the positioning sleeve 3-1. The positioning backer 3 is replaceably sleeved on the central shaft 2 through a central sleeve hole 3-4 of the positioning sleeve 3-1, and the detection requirement of the radial height difference of saddles 5 of different types can be met by replacing the positioning backer 3. The periphery of the positioning sleeve 3-1 is provided with a positioning fixing groove 3-3 for a saddle 5 matched with a fixed phase.

The lifting adjusting mechanism comprises a guide supporting rod 6, a rack 7, a gear slide block 8, an adjusting knob 9 and a connecting piece 10. The guide supporting rod 6 is vertically installed on the base 1, the rack 7 is installed on the guide supporting rod 6, the gear sliding block 8 is connected to the guide supporting rod 6 in a sliding mode, the gear inside the gear sliding block is meshed with the rack 7 to form a transmission pair, and the adjusting knob 7 is connected with the gear. The connecting piece 8 is installed on the gear sliding block 8, and the dial indicator 4 is arranged on the connecting piece 8. The dial indicator 4 is located the location backer 3 directly over, and detects the head and relative with location backer 3, can drive dial indicator 4 lift travel through rotation regulation knob 7.

When the rolling mill supporting roller saddle radial height difference reference positioning and measuring device is used:

(1) selecting a matched positioning backer 3 according to a saddle 5, and sleeving the positioning backer 3 on the central shaft 2;

(2) selecting a first saddle 5, placing a bearing bush 5-1 of the saddle 5 on a positioning sleeve 3-1, enabling the end part of the bearing bush to abut against a limiting baffle 3-2, and sleeving and locking the bearing bush 5-1 in a positioning fixing groove 3-3 in a matched manner through an anchor ear 5-2 on the inner side of the bearing bush 5-1 so as to fix the saddle 5 on a positioning backer 3 in a positioning manner, wherein the bearing bush 5-1 of the saddle 5 is opposite to a dial indicator 4;

(3) the height of the dial indicator 4 is adjusted through the lifting adjusting mechanism, so that a detection head of the dial indicator 4 is in contact with the outer side face of a bearing bush 5-1 of the saddle 5, and the number of the dial indicator 4 is zero;

(4) the first saddle 5 is dismounted, and the radial height difference between the plurality of subsequent saddles 5 and the first saddle 5 is detected in sequence as required by taking the radial size of the first saddle 5 as a reference;

(5) and selecting proper saddles 5 according to the detection result, arranging the positions of the saddles 5 to be mounted on the supporting rollers, and controlling the height difference of the radial dimension between the adjacent saddles 5 to be within 0.02 mm.

The measuring device can be used for positioning the central shaft of the saddle, and can be used for quickly and accurately detecting the radial height difference (the difference value of the radial size from the center of a saddle bearing bush to the outer side surface) between different saddle bodies in the same type of saddle by taking the first saddle as a reference. Through the detection, data support can be provided for subsequent saddle matching installation, the subsequent selection of saddles with proper radial dimension is facilitated, the distribution positions of the saddles in arrangement and installation on the supporting roller are determined, the radial height difference between the connected saddles is ensured to meet the precision requirement of a rolling mill, and the control on the strip steel plate shape is facilitated.