Supporting frame U-shaped seat light measuring tool used in cooperation with laser tracker

Abstract

The utility model discloses a support frame U-shaped seat light measuring tool used in cooperation with a laser tracker, which comprises a support frame U-shaped seat and a main shaft arranged between the support frame U-shaped seat, the support frame U-shaped seat is divided into a first U-shaped seat and a second U-shaped seat, the left side and the right side of the main shaft are respectively connected with a measuring shaft, and the left side and the right side of the main shaft are respectively connected with the measuring shaft. The measuring shaft comprises a first measuring shaft and a second measuring shaft, the supporting frame U-shaped seat is matched with the measuring shaft, the left side and the right side of the measuring shaft extend to the outer side of the supporting frame U-shaped seat, and the distance of the measuring shaft exposed out of the supporting frame U-shaped seat is the same. The measuring shafts on the left side and the right side of the main shaft are matched with the U-shaped seats on the left side and the right side of the supporting frame for use, sample shafts are placed on the U-shaped seats, the distances of the measuring shafts on the left side and the right side exposed outside the U-shaped seats are guaranteed to be the same, and deformation of the sample shafts is guaranteed to be within an allowable range after the sample shafts are placed on the U-shaped seats and bear weight.

Description

Technical Field

[0001] The utility model belongs to the technical field of measurement, and in particular relates to a light measuring tool with a U-shaped seat of a supporting frame used in conjunction with a laser tracker. Background Art

[0002] In the prior art, when measuring the U-shaped seat of the continuous casting machine support frame, a sample shaft is required for measurement. When the dummy shaft currently used cooperates with the laser tracker to measure the position of the U-shaped seat, a crane is required to lift the sample shaft. Due to the large number of U-shaped seats, taking a certain type of casting machine as an example, there are a total of 16 pairs of U-shaped seats, and at least 16 liftings are required to complete the measurement work. During the maintenance process, the crane also needs to cooperate with other maintenance work, and multiple measurements need to be performed during a major or medium maintenance process, which seriously affects the normal development of the maintenance work.

[0003] The prior art discloses a measuring and reading tool for the fan-shaped support of a slab continuous casting machine, which belongs to the field of arc detection technology for continuous casting machines. The device includes three parts: a through shaft, a cylindrical seat, and a positioning shaft head. The through shaft, the cylindrical seat, and the positioning shaft head are processed as a whole. The positioning shaft heads are located at both ends of the through shaft, and the cylindrical seat is located outside the two ends of the positioning shaft head. The through shaft, the cylindrical seat, and the positioning shaft head are designed as concentric arcs. The advantage is that the detection position accuracy can be improved to 0.01mm, and the original method has about 8-10 data collection points for a single pseudo-axis. Using the measuring and reading tool for the fan-shaped support of a slab continuous casting machine of this design, the data collection points for a single pseudo-axis can be reduced to 2 times. The tooling improves the difficulty of detecting the center coordinates of the positioning support of the fan-shaped section of the continuous casting machine, but the method of locating the axis position by a single point is very easy to cause measurement errors.

[0004] The prior art discloses a continuous casting machine fan-shaped support measuring tool, which belongs to the field of continuous casting machine arc detection technology. The device includes three parts: a positioning boss, a detection hole, and a positioning flange. The positioning boss, the detection hole and the positioning flange are processed as a whole, the positioning flange is located at the upper part of the positioning boss, and the detection hole is located at the center of the positioning flange and the positioning boss, and penetrates the positioning flange and the positioning boss. The advantage is that it solves the problem of inaccurate detection data such as large numerical deviations of detection and fitting due to the difficulty of close contact between the spherical prism and the detection surface during direct detection and the detection points are not in the same cross section. The main problem of this method is that the tooling does not contact the bottom of the U-shaped seat, and cannot reflect the actual situation of the fan-shaped segment being located on the support frame.

[0005] The prior art discloses a measuring tool for the basic frame of a continuous casting machine fan-shaped segment, which includes a laser tracker, a zero-segment upper sample shaft, a zero-segment lower sample shaft, and a fan-shaped segment sample shaft with coaxial measuring wheels at both ends, wherein the zero-segment upper sample shaft and the zero-segment lower sample shaft are respectively installed in the zero-segment upper U-shaped support and the zero-segment lower U-shaped support of the fan-shaped segment basic frame; the two measuring wheels of the fan-shaped segment sample shaft lean against a group of positioning plates of the fan-shaped segment basic frame; the laser tracker is fixed to the basic frame of the fan-shaped segment end section through the tracker base, and the target mirror of the laser tracker is placed on the zero-segment upper sample shaft, the zero-segment lower sample shaft or the fan-shaped segment sample shaft. The utility model uses the zero-segment upper sample shaft, the zero-segment lower sample shaft and the fan-shaped segment sample shaft as auxiliary tools, and measures the spatial position of each positioning component of the fan-shaped segment through the laser tracker. This method cannot achieve the goal of measuring within the 360° range of the pseudo-axis circumference.

[0006] In view of the above factors, a lightweight measuring tool with a U-shaped support frame is specially designed for use with a laser tracker. It achieves the goal of reducing the mass of the sample shaft to the greatest extent to ensure measurement accuracy. It is light and easy to carry, does not require a crane for transportation, and improves measurement efficiency. Utility Model Content

[0007] The purpose of the utility model is to provide a light-weight measuring tool of a U-shaped seat of a support frame used in conjunction with a laser tracker, so as to solve the problems raised in the above-mentioned background technology.

[0008] The purpose of the utility model is achieved through the following technical solutions: a light measuring tool of a support frame U-shaped seat used in conjunction with a laser tracker, comprising a support frame U-shaped seat and a main shaft arranged between the support frame U-shaped seats, the support frame U-shaped seat is divided into a first U-shaped seat and a second U-shaped seat, the left and right sides of the main shaft are respectively connected to the measuring shaft, the measuring shaft comprises a first measuring shaft and a second measuring shaft, the first U-shaped seat and the second U-shaped seat of the support frame U-shaped seat cooperate with the first measuring shaft and the second measuring shaft of the measuring shaft;

[0009] The left and right sides of the measuring axis extend to the outside of the U-shaped seat of the supporting frame, and the distances of the measuring axis exposed outside the U-shaped seat of the supporting frame are the same.

[0010] Furthermore, the main shaft and the measuring shaft are made of metal.

[0011] Furthermore, the metal material is aluminum alloy.

[0012] Furthermore, the main shaft and the measuring shaft are an integral structure, the main shaft and the measuring shaft are coaxially arranged, and the main shaft is a hollow structure, and the outer diameter of the main shaft is smaller than the outer diameter of the measuring shaft.

[0013] Furthermore, the measuring shaft is a hollow structure, and the length of the measuring shaft is 300 mm longer than the thickness of the U-shaped seat of the supporting frame.

[0014] Furthermore, the left and right sides of the measuring axis are measured along the circumferential surface to the outside of the U-shaped seat of the supporting frame in cooperation with a laser tracker and a target ball to the outer surface of the measuring axis.

[0015] Furthermore, the outer diameter of the measuring shaft is the same as the inner diameter of the U-shaped seat of the support frame, and has a negative deviation.

[0016] Furthermore, there is a transition structure between the measuring shaft and the main shaft, the transition structure is on the inner side of the measuring shaft, the outer diameter of the transition structure is the same as that of the measuring shaft, and the inner diameter thereof is the same as that of the main shaft.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model realizes the goal of reducing the sample shaft quality and ensuring the measurement accuracy to the greatest extent, does not need the cooperation of a crane for transportation, reduces the problem of maintenance efficiency, and improves the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an overall schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection between the measuring axis and the main axis of the utility model;

[0021] Figure 3 This is a schematic diagram of the cooperation between the measuring shaft and the U-shaped seat of the utility model;

[0022] Figure 4 It is a schematic diagram of a transition structure of a single-side structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the measuring area of ​​the measuring axis of the utility model. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] like Figure 1-5 As shown, a light-weight measuring tool of a support frame U-shaped seat used in conjunction with a laser tracker comprises a support frame U-shaped seat 1 and a main shaft 2 arranged between the support frame U-shaped seat 1, wherein the support frame U-shaped seat 1 is divided into a first U-shaped seat 1-1 and a second U-shaped seat 1-2, and the left and right sides of the main shaft 2 are respectively connected to a measuring shaft 3, and the measuring shaft 3 comprises a first measuring shaft 3-1 and a second measuring shaft 3-2, and the support frame U-shaped seat 1 cooperates with the measuring shaft 3;

[0028] The length of the main axis is the distance between the inner sides of the U-shaped seats of the left and right support frames minus 300mm.

[0029] The first measuring axis 3-1 and the second measuring axis 3-2 cooperate with the first U-shaped seat 1-1 and the second U-shaped seat 1-2 respectively.

[0030] The left and right sides of the measuring axis 3 extend to the outside of the U-shaped seat 1 of the supporting frame, and the distances of the measuring axis 3 exposed outside the U-shaped seat 1 of the supporting frame are the same.

[0031] In order to facilitate carrying and placing when in use, the main shaft 2 and the measuring shaft 3 are made of metal material, which is aluminum alloy, in order to ensure that they are made of light materials with sufficient rigidity.

[0032] The main shaft 2 and the measuring shaft 3 are an integral structure. The main shaft 2 and the measuring shaft 3 are coaxially arranged. The main shaft 2 is a hollow structure. The outer diameter of the main shaft 2 is smaller than the outer diameter of the measuring shaft 3 .

[0033] The measuring shaft 3 is a hollow structure, and the length of the measuring shaft 3 is 300 mm longer than the thickness of the U-shaped seat 1 of the supporting frame.

[0034] In order to facilitate the measurement of the laser tracker in conjunction with the target ball when in use, the sample shaft is placed on the U-shaped seat and the distance of the left and right measuring shafts exposed on the outside of the U-shaped seat is ensured to be roughly the same. The left and right sides of the measuring shaft 3 are measured along the circumferential surface to the outside of the U-shaped seat 1 of the support frame with the laser tracker in conjunction with the target ball to the outer surface of the measuring shaft 3. The outer diameter of the measuring shaft 3 is the same as the inner diameter of the U-shaped seat 1 of the support frame, and it is a negative deviation.

[0035] In order to facilitate use, the axial thickness of the transition structure is set to ensure that the deformation is within the allowable range after bearing the weight of the main shaft. A transition structure is provided between the measuring shaft 3 and the main shaft 2. The transition structure is on the inner side of the measuring shaft 3. The outer diameter of the transition structure is the same as that of the measuring shaft 3, and the inner diameter thereof is the same as that of the main shaft 2.

[0036] This device is made of aluminum alloy and other materials with low surface roughness and sufficient rigidity and light weight. In order to make it as convenient as possible to carry and place, it is made into a hollow structure with large diameters at both ends and small diameters in the middle to minimize the weight of the device. Its purpose is to cooperate with the laser tracker target ball to measure the center position of the U-shaped seat of the fan-shaped segment support frame of the continuous casting machine. The measuring shafts on the left and right sides of the main shaft are used in conjunction with the U-shaped seats on the left and right sides of the support frame. When in use, the measuring shafts are placed on the U-shaped seat and the distance between the measuring shafts on the left and right sides exposed outside the U-shaped seat is roughly the same. When making, the outer diameter of the measuring shaft is the same as the inner diameter of the U-shaped seat and should be a negative deviation. The thickness of the measuring shaft is as small as possible, but it must be ensured that the deformation of the sample shaft after being placed on the U-shaped seat is within the allowable range. The length of the measuring shaft should be the thickness of the U-shaped seat plus 300mm to ensure that the laser tracker can measure the outer surface of the measuring shaft 2 in conjunction with the target ball.

[0037] There is a transition structure between the measuring shaft and the main shaft. The transition structure is on the inner side of the measuring shaft. The outer diameter of the transition structure is the same as that of the measuring shaft, and its inner diameter is the same as that of the main shaft. The axial thickness of the transition structure should ensure that the deformation is within the allowable range after bearing the weight of the main shaft.

[0038] In order to reduce the weight of the sample shaft, the main shaft is a hollow structure with an outer diameter much smaller than that of the measuring shaft. Under the premise of ensuring the structural strength, the radial thickness of the main shaft is as small as possible.

[0039] The main shaft and measuring shaft are integral structures rather than welded, bonded or riveted structures. During manufacturing, the concentricity of the measuring shaft and the main shaft is guaranteed to the maximum extent according to the precision requirements of different continuous casting machines.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A U-shaped support frame lightweight measuring tool used in conjunction with a laser tracker, characterized in that: It comprises a support frame U-shaped seat (1) and a main shaft (2) arranged between the support frame U-shaped seat (1), the support frame U-shaped seat (1) is divided into a first U-shaped seat (1-1) and a second U-shaped seat (1-2), the left and right sides of the main shaft (2) are respectively connected to a measuring shaft (3), the measuring shaft (3) comprises a first measuring shaft (3-1) and a second measuring shaft (3-2), the first U-shaped seat (1-1) and the second U-shaped seat (1-2) of the support frame U-shaped seat (1) cooperate with the first measuring shaft (3-1) and the second measuring shaft (3-2) of the measuring shaft (3); The left and right sides of the measuring axis (3) extend to the outside of the U-shaped seat (1) of the supporting frame, and the distances at which the measuring axis (3) is exposed outside the U-shaped seat (1) of the supporting frame are the same.

2. The support frame U-shaped seat lightweight measuring tool used in conjunction with a laser tracker according to claim 1, characterized in that: The main shaft (2) and the measuring shaft (3) are made of metal material.

3. The U-shaped support frame lightweight measuring tool used in conjunction with a laser tracker according to claim 2, characterized in that: The metal material is aluminum alloy.

4. The U-shaped support frame lightweight measuring tool used in conjunction with a laser tracker according to claim 3, characterized in that: The main shaft (2) and the measuring shaft (3) are an integral structure, the main shaft (2) and the measuring shaft (3) are coaxially arranged, the main shaft (2) is a hollow structure, and the outer diameter of the main shaft (2) is smaller than the outer diameter of the measuring shaft (3).

5. The support frame U-shaped seat lightweight measuring tool used in conjunction with a laser tracker according to claim 4, characterized in that: The measuring shaft (3) is a hollow structure, and the length of the measuring shaft (3) is 300 mm longer than the thickness of the supporting frame U-shaped seat (1).

6. The support frame U-shaped seat lightweight measuring tool used in conjunction with a laser tracker according to claim 5, characterized in that: The left and right sides of the measuring shaft (3) are measured along the circumferential surface outside the U-shaped seat (1) of the support frame with a laser tracker in cooperation with a target ball to obtain the outer surface of the measuring shaft (3).

7. The support frame U-shaped seat lightweight measuring tool used in conjunction with a laser tracker according to claim 6, characterized in that: The outer diameter of the measuring shaft (3) is the same as the inner diameter of the supporting frame U-shaped seat (1), and has a negative deviation.

8. The support frame U-shaped seat lightweight measuring tool used in conjunction with a laser tracker according to claim 7, characterized in that: A transition structure is provided between the measuring shaft (3) and the main shaft (2), the transition structure being located on the inner side of the measuring shaft (3), the outer diameter of the transition structure being the same as that of the measuring shaft (3), and the inner diameter thereof being the same as that of the main shaft (2).

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