阅读说明：本技术 一种孔位测量装置 (Hole site measuring device ) 是由 蔡启新 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种孔位测量装置,其包括导向柱、测头、对零环、前端固定环、中间固定环、后端固定环,在导向柱下端安装测头,测头上端面与前端固定环下端面接触,前端固定环上安装中间固定环,导向柱中部的圆盘位于中间固定环内部,在中间固定环上安装后端固定环,围绕后端固定环的侧面设置测量组件,测量组件的测杆与导向柱顶部接触,对零环套装在前端固定环与测头上,测量组件的形式可以设置为外接百分表和内置传感器两种方式,其可以用于精确快速测量孔的位置。(The invention discloses a hole position measuring device, which comprises a guide post, a measuring head, a zero alignment ring, a front end fixing ring, a middle fixing ring and a rear end fixing ring, wherein the measuring head is installed at the lower end of the guide post, the upper end surface of the measuring head is contacted with the lower end surface of the front end fixing ring, the middle fixing ring is installed on the front end fixing ring, a disc in the middle of the guide post is positioned in the middle fixing ring, the rear end fixing ring is installed on the middle fixing ring, a measuring component is arranged on the side surface surrounding the rear end fixing ring, a measuring rod of the measuring component is contacted with the top of the guide post, the zero alignment ring is sleeved on the front end fixing ring and the measuring head, and the measuring component can be in an external percentage mode or a built-in sensor mode.)

1. The hole site measuring device is characterized by comprising a guide column, a measuring head, a zero alignment ring, a front end fixing ring, a middle fixing ring, a rear end fixing ring and a measuring component, wherein the measuring component comprises a measuring rod and a dial indicator, the measuring head of the dial indicator is in contact with the tail end of the measuring rod, and a disc is arranged in the middle of the guide column; the measuring head is installed at the lower end of the guide column, the upper end face of the measuring head is in contact with the lower end face of the front end fixing ring, the middle fixing ring is installed on the front end fixing ring, the disc in the middle of the guide column is located inside the middle fixing ring, the rear end fixing ring is installed on the middle fixing ring, the measuring component is arranged on the side face surrounding the rear end fixing ring, the measuring rod of the measuring component is in contact with the top of the guide column, and the zero-alignment ring is sleeved on the front end fixing ring and the measuring head.

2. The hole site measuring device of claim 1, wherein the guiding post is cylindrical, the diameter of the lower end of the guiding post is reduced to form a step, the middle part of the guiding post is provided with a disk, the diameter of the upper end of the guiding post is increased to form a post head, the post head is positioned at the center of the rear end retaining ring, and the circumference of the post head is contacted with the measuring rod.

3. The hole site measuring device of claim 2, wherein the diameter of the lower end of the guide post is reduced to form a step, a spring A is arranged on the step, the top end of the measuring head is provided with a cylindrical recess, the lower end of the guide post is arranged in the cylindrical recess space of the measuring head after being provided with the spring A, the upper part of the measuring head is provided with a transverse through hole, a cylindrical pin A is arranged in the through hole, and the cylindrical pin A penetrates through the lower end of the guide post to fix the measuring head on the guide post.

4. A hole site measuring device as claimed in any one of claims 1-3, wherein steel ball fixing rings are arranged at two ends of the disk at the middle part of the guide post, the steel ball fixing rings are positioned inside the middle fixing ring and have the same diameter as the inner diameter of the middle fixing ring, the steel ball fixing rings are positioned in two end faces of the middle fixing ring after being installed, steel ball controls are uniformly distributed on the steel ball fixing rings in a surrounding manner, steel balls are arranged in the steel ball holes, and the highest points of the steel balls are flush with the two end faces of the middle fixing ring.

5. The hole site measuring device of claim 1, wherein the front end fixing ring is a second-order disk, the smaller step is in contact with the measuring head, the zero-alignment ring is sleeved on the smaller step and the measuring head, six magnetic steel mounting holes are distributed on the larger step around the smaller step, a copper sleeve is arranged in the magnetic steel mounting holes, the magnetic steel is arranged in the copper sleeve, the copper sleeve is as high as the larger step of the front end fixing ring, the two ends of the copper sleeve are flush after the mounting is in place, the lower end of the magnetic steel is flush with the lower end of the larger step, and the upper end of the magnetic steel is located in the middle of the copper sleeve.

6. The hole site measuring device of claim 1, wherein four arc-shaped grooves are uniformly distributed on the circumference of the upper end surface of the rear end fixing ring, screws are arranged in the arc-shaped grooves, the screws connect the front end fixing ring, the middle fixing ring and the rear end fixing ring together, four holes are uniformly distributed in the middle of the side surface of the rear end fixing ring in a surrounding manner, and the measuring assembly is arranged in the holes.

7. The hole site measuring device of claim 6, wherein the measuring assembly further comprises a blocking sleeve and a guide sleeve, the blocking sleeve is arranged in two adjacent holes on the rear end fixing ring, a measuring rod is arranged in the blocking sleeve, a blocking sleeve nut is arranged outside the blocking sleeve, the guide sleeve is arranged in the other two adjacent holes on the rear end fixing ring, the measuring rod is arranged in the guide sleeve, a locking nut is arranged outside the guide sleeve, a locking sleeve is arranged at the joint of the guide sleeve and the locking nut, the locking sleeve is positioned in the hollow inner part of the guide sleeve and the locking nut, the guide sleeve, the locking nut and the locking sleeve jointly act to install and fix the dial indicator, and a cover plate is arranged on the upper part of the rear end fixing ring.

8. The hole site measuring device of claim 1, wherein two cylindrical pins B are arranged symmetrically between the front end fixing ring, the middle fixing ring and the rear end fixing ring.

9. The hole site measuring device of claim 2, wherein the measuring rod is provided with a disc at the position contacting with the column head, and the other end of the measuring rod is arranged in the plugging sleeve or the guide sleeve after the spring B is arranged in the measuring rod in a penetrating way.

10. The hole site measuring device of claim 1, wherein a distance sensor and a signal transmitting device are arranged at the rear end of the measuring head, and the signal transmitting device is connected with an upper computer.

Technical Field

The invention belongs to the technical field of hole site measurement, and particularly relates to a hole site measuring device.

Background

The detection of the holes is very common detection data in the industrial production process, and the existing detection methods mainly comprise three types:

the caliper detection mode comprises the following steps: the hole position is measured by a caliper by a detector, and the detection method has the disadvantages of high labor intensity and low detection efficiency.

The detection mode of the height gauge is as follows: the hole site is measured by the detector with the height gauge, and the detection method has the disadvantages of high labor intensity and low detection efficiency.

Three-coordinate detection mode: the hole positions are measured by the detection personnel through three coordinates, the investment cost of three-coordinate equipment is high, and the detection method occupies a long three-coordinate time and can cause the phenomenon of other products to be detected.

With the development of technology, various dedicated control detection tools have also appeared.

The inventor finds that the prior arts have at least the following technical problems in the practical use process:

1. the existing mainstream detection is still a vernier caliper, positioning is carried out manually, data reading is carried out manually, human influence factors are large, positioning is difficult, and certain errors exist.

2. The existing detection tool is difficult to accurately and systematically measure the specific data of the deviation of the hole site, basically only can be used for judging whether the hole site has the deviation, the deviation direction and the like, and the digital accurate recording of the hole site cannot be realized.

Disclosure of Invention

In order to overcome the above-mentioned disadvantages, the inventor of the present invention has continuously improved and innovated through long-term research and trial and many experiments and efforts, and has proposed a hole position measuring device, which can be used for accurately and rapidly measuring the position of a hole.

In order to achieve the purpose, the invention adopts the technical scheme that:

a hole site measuring device comprises a guide column, a measuring head, a zero alignment ring, a front end fixing ring, a middle fixing ring, a rear end fixing ring and a measuring component, wherein the measuring component comprises a measuring rod and a dial indicator, the measuring head of the dial indicator is in contact with the tail end of the measuring rod, and a disc is arranged in the middle of the guide column; the measuring head is installed at the lower end of the guide column, the upper end face of the measuring head is in contact with the lower end face of the front end fixing ring, the middle fixing ring is installed on the front end fixing ring, the disc in the middle of the guide column is located inside the middle fixing ring, the rear end fixing ring is installed on the middle fixing ring, the measuring component is arranged on the side face surrounding the rear end fixing ring, the measuring rod of the measuring component is in contact with the top of the guide column, and the zero-alignment ring is sleeved on the front end fixing ring and the measuring head.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: the guide post is cylindrical, the diameter of the lower end of the guide post is reduced to form a step, a disc is arranged in the middle of the guide post, the diameter of the upper end of the guide post is increased to form a post head, the post head is located at the center of the rear end fixing ring, and the circumference of the post head is in contact with the measuring rod.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: the diameter of the lower end of the guide column is reduced to form a step, the spring A is arranged on the step, the top end of the measuring head is provided with a cylindrical recess, the spring A is arranged at the lower end of the guide column and then arranged in the cylindrical recess space of the measuring head, the upper portion of the measuring head is provided with a transverse through hole, a cylindrical pin A is arranged in the through hole, and the cylindrical pin A penetrates through the lower end of the guide column to fix the measuring head on the guide column.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: the two ends of a disc in the middle of the guide post are provided with steel ball fixing rings, the steel ball fixing rings are located inside the middle fixing ring, the diameter of each steel ball fixing ring is equal to the inner diameter of the middle fixing ring, the steel ball fixing rings are arranged in the two end faces of the middle fixing ring, steel ball control is uniformly distributed on the steel ball fixing rings in a surrounding mode, steel balls are arranged in steel ball holes, and the highest point of each steel ball is flush with the two end faces of the.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: the front end fixing ring is a disk with a second order, a small step is in contact with the measuring head, the zero-alignment ring is sleeved on the small step and the measuring head, six magnetic steel mounting holes are distributed on the large step around the small step, a copper sleeve is arranged in each magnetic steel mounting hole, magnetic steel is arranged in each copper sleeve, the copper sleeve is as high as the large step of the front end fixing ring, two ends of the copper sleeve are parallel and level after the copper sleeve is mounted in place, the lower end of the magnetic steel is parallel and level with the lower end of the large step, and the upper end of the magnetic steel is located.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: four arc grooves are uniformly distributed on the circumference of the upper end face of the rear end fixing ring, screws are arranged in the arc grooves, the front end fixing ring, the middle fixing ring and the rear end fixing ring are connected together through the screws, four holes are uniformly distributed in the middle of the side face of the rear end fixing ring in a surrounding mode, and the measuring assembly is arranged in the holes.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: the measuring assembly further comprises a blocking sleeve and a guide sleeve, the blocking sleeve is arranged in two adjacent holes in the rear end fixing ring, a measuring rod is arranged in the blocking sleeve, a blocking sleeve nut is arranged on the outer side of the blocking sleeve, the guide sleeve is arranged in the other two adjacent holes in the rear end fixing ring, the measuring rod is arranged in the guide sleeve, a locking nut is arranged on the outer side of the guide sleeve, a locking sleeve is arranged at the joint of the guide sleeve and the locking nut, the locking sleeve is located in the hollow interior of the guide sleeve and the locking nut, the dial indicator is fixedly arranged under the combined action of the guide sleeve, the locking nut and the locking sleeve, and a cover plate.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: the measuring rod is provided with a disc at the contact position with the column head, and the other end of the measuring rod is arranged in the blocking sleeve or the guide sleeve after the spring B is arranged in the measuring rod in a penetrating way.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: cylindrical pins B are arranged among the front end fixing ring, the middle fixing ring and the rear end fixing ring, and the number of the cylindrical pins B is two and the cylindrical pins B are symmetrically arranged.

According to the invention, a further preferable technical scheme of the hole site measuring device is as follows: the rear end of the measuring head is provided with a distance sensor and a signal sending device, and the signal sending device is connected with an upper computer.

Compared with the prior art, the technical scheme of the invention has the following advantages/beneficial effects:

1. the device self is provided with to the zeroing, and initial zeroing operation is very convenient, only needs once to utilize the front end stationary ring to realize zeroing operation to the zeroing installation, uses the magnet steel to fix on the solid fixed ring of front end to the zeroing, need not to hold with the hand.

2. The design is for adopting two kinds of measuring methods of external percentage table and built-in sensor, satisfies more service environment, and external percentage table can adapt to permanent work, need not external energy or change battery, and built-in sensor measured data is convenient, directly sends the host computer with the result.

3. The position data with accurate hole positions can be obtained through a dial indicator and the like, and the hole position deviation amount can be recorded quickly, accurately and systematically in a datamation mode.

4. And by adopting a mechanical structure design, the device has fewer faults and is convenient to maintain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of the present invention.

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

Fig. 3 is a side view of the present invention.

Fig. 4 is a cross-sectional view of the present invention.

Fig. 5 is an oblique cross-sectional view of the present invention.

The labels in the figure are respectively: 1. the measuring device comprises a guide post 2, a measuring head 3, a spring A4, a cylindrical pin A5, a zero alignment ring 6, a front end fixing ring 7, a middle fixing ring 8, a rear end fixing ring 9, a cover plate 10, a steel ball fixing ring 11, a copper sleeve 12, magnetic steel 13, a steel ball 14, a measuring rod 15, a spring B16, a blocking sleeve 17, a blocking sleeve nut 18, a guide sleeve 19, a locking nut 20, a locking sleeve 21, a cylindrical pin B22 and a dial indicator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.