CN216558632U

CN216558632U - Auxiliary tool for micrometer measurement

Info

Publication number: CN216558632U
Application number: CN202122868221.9U
Authority: CN
Inventors: 叶林; 张华�; 王剑波; 余罡; 高跃; 冯兴龙; 张玖林; 周盛龙; 庞军; 徐志伟; 陈志才; 王启江; 田震; 杨帅; 冯斌
Original assignee: Huaneng Zhaojue Wind Power Co ltd; Yunnan Branch Of Huaneng New Energy Co ltd
Current assignee: Huaneng Zhaojue Wind Power Co ltd; Yunnan Branch Of Huaneng New Energy Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-17
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses an auxiliary tool for measuring a micrometer, and aims to provide an auxiliary tool convenient to operate. The lifting device comprises a frame body, a guide rod, an upright post, a guide sleeve, a slide block guide rail mechanism, a guide wheel, a roller and a lifting mechanism; the frame body comprises a connecting frame and two guide frames symmetrically positioned at two ends of the connecting frame, the guide frames are Contraband-shaped, and the lower transverse edges of the guide frames are shorter than the upper transverse edges of the guide frames; the two sets of slide block guide rail mechanisms are parallel to each other, and the guide rails are fixedly connected to the upper transverse edge of the guide frame respectively; the lower ends of the two upright posts are fixedly connected to the sliding blocks of the two sets of sliding block guide rail mechanisms respectively, and the two sets of guide sleeves are sleeved on the two upright posts respectively and can slide relative to the upright posts; two ends of the guide rod are fixedly connected with the two guide sleeves respectively; the lifting mechanisms are respectively arranged on the upper parts of the stand columns and connected with the guide sleeves on the corresponding stand columns, and the lifting mechanisms are used for driving the guide sleeves to lift along the stand columns.

Description

Auxiliary tool for micrometer measurement

Technical Field

The utility model relates to the technical field of measuring equipment, in particular to an auxiliary tool for measuring a micrometer.

Background

Wind power generation is one of the most mature technology and best commercial development prospect power generation modes in new energy, and is rapidly developed in China in recent years. The tower (tower) and the foundation of the wind power generator are important components of the structure, and the tower and the foundation of the wind power generator play a role in safely and reliably transmitting all loads and actions borne by the upper structure to the foundation and keeping the whole structure stable. The tower barrel is a supporting body which is opened and closed in the wind turbine, the barrel sections and the foundation of the tower barrel are connected through flange bolts, the weight of a host machine which is dozens of tons to hundreds of tons is borne by the tower barrel, and the tower barrel is connected with the foundation downwards. Although the cost of the tower drum is less than one tenth of that of the whole unit, the whole generator has a problem and is possible to destroy, so that the fastening force of the tower drum assembling and connecting bolt needs to be regularly detected in order to ensure the operation safety of the fan generator.

It is known that, in a bolt within the limit of a yield ratio, the larger the elongation of the bolt, the larger the fastening force generated by the bolt. The equipment connected is more reliable and safe in operation when the fastening force is larger. The micrometer is one of the main means of measuring bolt elongation, and the manual work uses the micrometer when measuring tower section of thick bamboo connecting bolt elongation, because tower section of thick bamboo diameter is big and highly higher, and the on-the-spot needs frequently to remove the micrometer and measures the connecting bolt of each flange department, and personnel need handheld micrometer operation in the measurement process, and it is very inconvenient to operate. And need two people at least to cooperate the operation during the measurement, one person makes micrometer measuring end and shank of bolt top carry out the center location on it, and another person makes micrometer anvil and the hexagon head central point of bolt centering and fixed below, and operating personnel above need hold the micrometer and rotate micrometer fine setting knob, makes micrometer screw rod and shank of bolt top contact and carry out the reading. The whole measurement process requires that two persons coordinate and cooperate consistently, the measurement efficiency is lower, and the measurement efficiency is urgently needed to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides an auxiliary tool for micrometer measurement, which can effectively improve the detection efficiency of a tower drum connecting bolt.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

an auxiliary tool for measuring a micrometer comprises a frame body, a guide rod, an upright post, a guide sleeve, a slide block guide rail mechanism, a guide wheel, a roller and a lifting mechanism; the frame body comprises a connecting frame and two guide frames which are symmetrically positioned at two ends of the connecting frame and fixedly connected with the two ends of the connecting frame, the guide frames are Contraband-shaped, and the lower transverse edges of the guide frames are shorter than the upper transverse edges of the guide frames; the two sets of slide block guide rail mechanisms are parallel to each other, and the guide rails are fixedly connected to the upper transverse edge of the guide frame respectively; the lower ends of the two upright posts are fixedly connected to the sliding blocks of the two sets of sliding block guide rail mechanisms respectively, and the two sets of guide sleeves are sleeved on the two upright posts respectively and can slide relative to the upright posts; two ends of the guide rod are fixedly connected with the two guide sleeves respectively; the lifting mechanisms are respectively arranged at the upper parts of the stand columns and connected with the guide sleeves on the corresponding stand columns, and are used for driving the guide sleeves to lift along the stand columns; the two groups of rollers are respectively arranged at the end part of the upper transverse edge of the guide frame and are used for contacting with the upper end surface of the flange of the tower skirt; the two ends of the guide wheel are respectively arranged at the end part of the lower transverse edge of the guide frame and are used for contacting with the side wall of the tower drum skirt; during measurement, the micrometer is sleeved on the guide rod and can reciprocate along the guide rod.

Specifically, the guide frame comprises an upper transverse edge, a lower transverse edge parallel to the upper transverse edge, and a vertical arm connecting the upper transverse edge and the lower transverse edge, wherein the lower transverse edge is mounted at the lower end of the vertical arm through an adjustable structure.

Specifically, a magnetic base capable of being movably adjusted along the connecting frame is arranged in the middle of the connecting frame, and the moving adjusting direction of the magnetic base is parallel to the radial plane of the tower barrel and points to the axis of the barrel; when the magnetic base moves towards the axis direction of the tower drum, the magnetic base is contacted with the side wall of the skirt of the tower drum and is adsorbed and positioned; after the magnetic base is moved reversely, the magnetic base is separated from the side wall of the tower skirt.

Specifically, the guide rail of the slide block guide rail mechanism is connected with the upper transverse edge of the guide frame through an intermediate connecting block.

Specifically, the lifting mechanism adopts a link mechanism, and the link mechanism comprises a base body fixedly connected on the stand column, a handle rod hinged on the upper part of the base body, a guide rod vertically penetrating the lower part of the base body and capable of moving up and down relative to the base body, and a link rod connecting the handle rod and the upper end of the guide rod; the lower part of the seat body is provided with a through hole for the guide rod to pass through, and the lower end of the guide rod is connected with the guide sleeve.

Specifically, the connecting frame is connected with the guide frame through a handle screw rod.

Compared with the prior art, the utility model has the following advantages:

the utility model can effectively reduce the difficulty of measurement operation during measurement, can finish the measurement operation by one person and has higher measurement efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the assembled micrometer and the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a top view of fig. 2.

Detailed Description

In order to more clearly illustrate the objects, technical solutions and advantages of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention described below, are within the scope of protection of the present invention.

In the description of the present invention, technical or scientific terms used should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. It should be noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," "disposed," and the like are intended to be broadly construed and include, for example, fixedly connected, disposed, detachably connected, disposed, and integrally connected and disposed. The terms "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, and those skilled in the art will understand that the terms are used in the present invention according to their specific meanings. The terms "comprises" or "comprising," and the like, mean that the element or item preceding the word "comprises" or "comprising" is meant to cover the element or item listed after the word and its equivalents, but not to exclude other elements or items. The terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Meanwhile, in order to keep the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known parts of the present invention is omitted.

As shown in the attached drawings, the auxiliary tool for micrometer measurement comprises a frame body, a guide rod 1, an upright post 2, a guide sleeve 3, a slide block guide rail mechanism 4, a guide wheel 5, a roller 6 and a lifting mechanism 7; the frame body comprises a connecting frame 8 and two guide frames 9 which are symmetrically positioned at two ends of the connecting frame 8 and fixedly connected with two ends of the connecting frame 8, the guide frames 9 are Contraband-shaped, and the lower transverse edge 91 of each guide frame is shorter than the upper transverse edge 92 of each guide frame; the two sets of slide block guide rail mechanisms 4 are parallel to each other, and the guide rails 41 are respectively fixedly connected to the transverse edges 92 of the guide frames 9; the number of the upright posts 2 is two, the lower ends of the two upright posts 2 are fixedly connected to the slide blocks 42 of the two sets of slide block guide rail mechanisms 4 respectively, and the number of the guide sleeves 3 is two, and the two guide sleeves are sleeved on the two upright posts 2 respectively and can slide relative to the upright posts 2; two ends of the guide rod 1 are fixedly connected with the two guide sleeves 3 respectively; the lifting mechanisms 7 are arranged in two sets, and the two sets of lifting mechanisms 7 are respectively arranged at the upper parts of the upright posts 2 and connected with the guide sleeves 3 on the corresponding upright posts 2 and used for driving the guide sleeves 3 to lift along the upright posts 2; the two groups of rollers 6 are respectively arranged at the end part of the upper transverse edge 92 of the guide frame 9 and are used for contacting with the upper end surface of the flange of the tower skirt; the two ends of the guide wheel 5 are respectively arranged at the end part of the lower transverse edge 91 of the guide frame 9 and are used for contacting with the side wall of the tower skirt; during measurement, the micrometer 20 is sleeved on the guide rod 1 and can reciprocate along the guide rod 1.

As a further preferable scheme, the guide frame 9 includes an upper transverse edge 92, a lower transverse edge 91 parallel to the upper transverse edge 92, and a vertical arm 93 connecting the upper transverse edge 92 and the lower transverse edge 91, the lower transverse edge 91 is mounted at the lower end of the vertical arm 93 through an adjustable structure, the adjustable structure can adopt a guide groove structure to accelerate the locking bolt, and through the adjustable structure, the extending length of the lower transverse edge 91 can be quickly adjusted, so as to meet the use requirements of skirts with different sizes.

As a further preferable scheme, a magnetic base 10 which can be movably adjusted along the connecting frame 8 is arranged in the middle of the connecting frame 8, and the movement adjusting direction of the magnetic base 10 is parallel to the radial plane of the tower and points to the axis of the cylinder; after the magnetic base 10 moves towards the axis direction of the tower drum, the magnetic base 10 is in contact with the side wall of the skirt of the tower drum and is adsorbed and positioned; when the magnetic base 10 is moved reversely, the magnetic base 10 is separated from the side wall of the tower skirt; the use of magnetic force seat can further improve the stability of measurement, and the removal of magnetic force seat is adjusted and can be adopted current structures such as magnetic force lock.

In this embodiment, the guide rail 41 of the slider guide rail mechanism 4 is connected to the upper horizontal side 92 of the guide frame 9 through the middle connection block 11, so as to improve the convenience of connection.

In this embodiment, the lifting mechanism 7 adopts a link mechanism, and the link mechanism includes a base 71 fixedly connected to the column 2, a handle rod 72 hinged to the upper portion of the base 71, a guide rod 73 vertically penetrating the lower portion of the base 71 and capable of moving up and down relative to the base 71, and a link 74 connecting the upper ends of the handle rod 72 and the guide rod 73; the lower part of the seat body 71 is provided with a through hole for the guide rod 73 to pass through, and the lower end of the guide rod 73 is connected with the guide sleeve 3. Obviously, the lifting mechanism can also adopt other common lifting mechanisms, such as a swing rod lifting mechanism and the like

In this embodiment, the connecting frame 8 is connected with the guide frame 9 through the handle screw 12, so that the auxiliary tool can be quickly disassembled and assembled, and the convenience of storage and transportation is improved.

The measuring operation mode of the utility model is that the auxiliary tool is placed on the skirt of the tower cylinder, so that the roller and the guide wheel are respectively contacted with the horizontal plane (the upper end surface of the flange) and the side wall of the skirt of the tower cylinder; the magnetic base is pushed to enable the magnetic base to be in contact with the side face of the tower drum skirt base for positioning, and the whole auxiliary tool is stabilized; operating the lifting mechanism to enable the micrometer to be located at the lower limit position, namely enabling the lifting mechanism to be in an opening state; moving along the guide rod and the slide block guide rail mechanism in the XY direction of the plane to adjust the position of the micrometer, so that the micrometer moves to the center of the bolt; manually rotating a micrometer fine adjustment knob to enable a micrometer screw to be in contact with the top of a bolt rod for reading, operating a lifting mechanism to be in an open state after the reading is finished, then continuously moving the position of the micrometer along a guide rod and a slider guide rail mechanism in the planar XY direction to adjust the position of the micrometer, moving the micrometer to the center of a next bolt, repeating the measurement operation until the bolt in the coverage range of the auxiliary tool is measured, reversely operating a magnetic base, moving the auxiliary tool to the next area of a tower barrel skirt base for measurement, and repeating the operation to realize the measurement of the elongation of the bolt in one circle.

The utility model can greatly simplify the measuring operation of the micrometer, reduce the weight of manually holding the micrometer, quickly position the central point of the bolt by the micrometer during measurement, realize one-man operation, reduce the labor amount, save time and improve the working efficiency.

The auxiliary tool has the characteristics of simple structure, practicability, convenience for positioning of the micrometer, reduction of workers, improvement of working efficiency and the like, and the labor intensity of operators is greatly reduced.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It will be understood by those skilled in the art that any modification, equivalent replacement, or improvement made on the technical solutions or parts of the technical features described in the above embodiments can be included in the scope of protection of the present invention within the spirit and principle of the present invention.

Claims

1. An auxiliary tool for measuring a micrometer comprises a frame body, a guide rod (1), an upright post (2), a guide sleeve (3), a slide block guide rail mechanism (4), a guide wheel (5), a roller (6) and a lifting mechanism (7); the method is characterized in that: the frame body comprises a connecting frame (8) and two guide frames (9) which are symmetrically positioned at two ends of the connecting frame (8) and fixedly connected with two ends of the connecting frame (8), the guide frames (9) are Contraband-shaped, and the lower transverse edge (91) of each guide frame is shorter than the upper transverse edge (92); the two sets of slide block guide rail mechanisms (4) are parallel to each other, and the guide rails (41) are respectively fixedly connected to the upper transverse edge (92) of the guide frame (9); the lower ends of the two upright posts (2) are fixedly connected to the sliding blocks (42) of the two sets of sliding block guide rail mechanisms (4) respectively, and the two sets of guide sleeves (3) are sleeved on the two upright posts (2) respectively and can slide relative to the upright posts (2); two ends of the guide rod (1) are fixedly connected with the two guide sleeves (3) respectively; the lifting mechanisms (7) are arranged in two sets, and the two sets of lifting mechanisms (7) are respectively arranged at the upper parts of the upright posts (2) and connected with the guide sleeves (3) on the corresponding upright posts (2) and used for driving the guide sleeves (3) to lift along the upright posts (2); the two groups of idler wheels (6) are respectively arranged at the end part of the upper transverse edge (92) of the guide frame (9) and are used for contacting with the upper end face of the flange of the tower drum skirt; the two ends of the guide wheel (5) are respectively arranged at the end part of the lower transverse edge (91) of the guide frame (9) and are used for contacting with the side wall of the tower drum skirt; during measurement, the micrometer is sleeved on the guide rod (1) and can reciprocate along the guide rod (1).

2. The auxiliary tool for micrometer measurement according to claim 1, wherein: the guide frame (9) comprises an upper transverse edge (92), a lower transverse edge (91) parallel to the upper transverse edge (92) and a vertical arm (93) connecting the upper transverse edge (92) and the lower transverse edge (91), and the lower transverse edge (91) is mounted at the lower end of the vertical arm (93) through an adjustable structure.

3. An auxiliary tool for micrometer measurement according to claim 1 or 2, wherein: a magnetic base (10) which can move and be adjusted along the connecting frame (8) is arranged in the middle of the connecting frame (8), and the moving and adjusting direction of the magnetic base (10) is parallel to the radial plane of the tower barrel and points to the axis of the barrel body; when the magnetic base (10) moves towards the axis direction of the tower drum, the magnetic base (10) is in contact with the side wall of the skirt of the tower drum and is adsorbed and positioned; when the magnetic base (10) is moved reversely, the magnetic base (10) is separated from the side wall of the tower skirt.

4. An auxiliary tool for micrometer measurement according to claim 1 or 2, wherein: the guide rail (41) of the slide block guide rail mechanism (4) is connected with the upper transverse edge (92) of the guide frame (9) through a middle connecting block (11).

5. An auxiliary tool for micrometer measurement according to claim 1 or 2, wherein: the lifting mechanism (7) adopts a link mechanism, and the link mechanism comprises a base body (71) fixedly connected on the upright post (2), a handle rod (72) hinged on the upper part of the base body (71), a guide rod (73) vertically penetrating the lower part of the base body (71) and capable of moving up and down relative to the base body (71), and a connecting rod (74) connecting the handle rod (72) and the upper end of the guide rod (73); the lower part of the seat body (71) is provided with a through hole for the guide rod (73) to pass through, and the lower end of the guide rod (73) is connected with the guide sleeve (3).

6. An auxiliary tool for micrometer measurement according to claim 1 or 2, wherein: the connecting frame (8) is connected with the guide frame (9) through a handle screw rod (12).