CN218034783U - Adjustable simple measuring instrument for fixing ratchet - Google Patents
Adjustable simple measuring instrument for fixing ratchet Download PDFInfo
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- CN218034783U CN218034783U CN202222456624.7U CN202222456624U CN218034783U CN 218034783 U CN218034783 U CN 218034783U CN 202222456624 U CN202222456624 U CN 202222456624U CN 218034783 U CN218034783 U CN 218034783U
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- measuring ruler
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Abstract
The utility model relates to an adjustable simple ratchet wheel fixing measuring instrument, which comprises a bidirectional ratchet wheel mechanism, a first measuring ruler and a second measuring ruler; a connecting handle is fixedly arranged below the bidirectional ratchet mechanism, and a mounting hole is formed in the connecting handle; one end of the first measuring ruler is provided with a first positioning hole matched with the mounting hole, and the bidirectional ratchet mechanism and the first measuring ruler are fixedly mounted by sequentially penetrating through the first positioning hole and the mounting hole through a fastener; the initial scale on the first measuring ruler is N, the measuring range is M, the vertical distance from the central point of the bidirectional ratchet mechanism to the initial scale is N, and N is more than or equal to 5cm and less than or equal to 10cm; the back of the first measuring ruler is provided with a slot, and a second measuring ruler is movably installed in the slot. The utility model discloses a zero groove is two-way ratchet's central point, with two-way ratchet with the fixed back of axis nut, rotates the ruler and can measure this centraxonial relative position in equidirectional not, effectively reduces traditional manual measurement's error.
Description
Technical Field
The utility model belongs to the technical field of the measuring apparatu, in particular to fixed simple and easy measuring apparatu of ratchet with adjustable for the axis height's that has different model nuts data measurement among railcar maintenance or the industrial production.
Background
The height measurement standard of the current collector of the Tianjin subway No. 3 wire electric passenger car is that the distance between the central point of the central axis of the current collector and the rail surface is 151.5 +/-2 mm, a steel ruler is adopted as a measuring tool by a current field worker, the current straight ruler is directly and visually aligned to the central point of the central axis for measurement, the straight ruler is difficult to fix in the measuring process, the accuracy of the height measurement of the current collector cannot be met, and errors caused by manual operation can be eliminated only through repeated measurement for many times.
The current collector is used as a key part of driving, and relates to driving safety, the height of the current collector is used as a key operation parameter to directly influence the matching of the current collector and a contact rail, and abnormal conditions such as high-voltage arc discharge, damage of a current collector arm, abnormal abrasion of a carbon sliding shoe and the like can be caused to damage the current collector after the height exceeds a standard, so that the service life of the current collector is shortened, and the driving safety is influenced. In addition, the maintainer also needs to regularly measure the relative position of the center shaft in other directions, so that a measuring tool which is conveniently sleeved on the center shaft nut of the current collector and can rotate needs to be designed.
The patent number is CN200820113130.6, and the patent name is the utility model patent of the two-way ratchet dual-purpose spanner of convenient equipment provides a two-way ratchet mechanism, can satisfy convenient suit and on the current collector axis nut and pivoted demand, but the device still can not satisfy accurate measuring demand.
Disclosure of Invention
The utility model discloses a solve the technical problem that exists among the well-known art and provide the fixed simple and easy measuring apparatu of ratchet with adjustable, make things convenient for the suit to rotate on current collector axis nut to conveniently measure centraxonial relative position.
The utility model comprises the following technical scheme: the adjustable ratchet wheel fixing simple measuring instrument comprises a bidirectional ratchet wheel mechanism, a first measuring ruler and a second measuring ruler; a connecting handle is fixedly arranged below the bidirectional ratchet mechanism, and a mounting hole is formed in the connecting handle; one end of the first measuring ruler is provided with a first positioning hole matched with the mounting hole, and the bidirectional ratchet mechanism and the first measuring ruler are fixedly mounted by sequentially penetrating through the first positioning hole and the mounting hole through a fastener; the initial scale on the first measuring ruler is N, the measuring range is M, the vertical distance from the central point of the bidirectional ratchet mechanism to the initial scale is N, and N is more than or equal to 5cm and less than or equal to 10cm; the back of the first measuring ruler is provided with a slot, and a second measuring ruler is movably arranged in the slot.
The zero reticle of the measuring instrument is the central point of the bidirectional ratchet mechanism (namely the central point of the central shaft of the current collector), the bidirectional ratchet mechanism and the central shaft nut are fixed, the relative positions of the central shaft can be measured in different directions through the first measuring ruler and the second measuring ruler, and the error of the traditional manual measurement can be effectively reduced.
Furthermore, the sum of M and N is generally set to be a value slightly smaller than the height of the middle shaft to be measured.
Furthermore, a reversing button is arranged at one end of the connecting handle, which is close to the bidirectional ratchet mechanism, and the rotation direction of the bidirectional ratchet mechanism can be switched by adjusting the position of the reversing button.
Furthermore, when the second measuring ruler is not pulled out, the zero scribed line of the second measuring ruler coincides with the maximum scribed line of the first measuring ruler.
Further, the mounting hole is located on a central line of the bidirectional ratchet mechanism.
Furthermore, a second positioning hole matched with the mounting hole is formed in the tail end of the second measuring ruler.
Furthermore, when the second measuring ruler is vertically installed with the first measuring ruler, the fastener sequentially penetrates through the second positioning hole, the first positioning hole and the installation hole, and the maximum scale line of the second measuring ruler is located on the central line of the bidirectional ratchet mechanism. The relative position of the central axis of the current collector in the horizontal direction can be measured through the second measuring ruler.
Furthermore, the first measuring ruler and the second measuring ruler both adopt steel rulers.
Further, the fastener is a bolt, an elastic buckle or a bayonet lock.
The utility model has the advantages and positive effect:
1. the utility model discloses a combine ratchet and ruler, design into to be fit for measuring the centraxonial measuring apparatu of band nut, the zero groove of this measuring apparatu is two-way ratchet's central point (being the centraxonial central point of current collector), with two-way ratchet and the fixed back of axis nut, measures through first measuring ruler and second that the ruler can measure this centraxonial relative position in the equidirectional not, effectively reduces traditional manual work measuring error.
2. The utility model discloses a first measurement ruler can carry out 360 degrees rotations along the ratchet central point, through changeable clockwise rotation of adjustment switching-over button or anticlockwise rotation.
3. The utility model discloses a first ruler and the second of measuring is measured the ruler and is made up the measurement, directly reads the scale that the ruler was measured to the second when measuring the current collector axis height and can obtain high numerical value in addition the first biggest scale of measuring the ruler.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a perspective view of the bidirectional ratchet mechanism.
Fig. 3 is a schematic view of the perpendicular installation state of the second measuring ruler and the first measuring ruler.
In the drawings, 1-a two-way ratchet mechanism; 101-a connecting handle; 2-a first measuring ruler; 3-a second measuring ruler; 4-a fastener; 5-reversing button.
Detailed Description
To further disclose the contents, features and functions of the present invention, the following examples are given in detail in conjunction with the accompanying drawings.
The embodiment is as follows: referring to fig. 1-3, an adjustable ratchet wheel fixing simple measuring instrument comprises a bidirectional ratchet wheel mechanism 1, a first measuring ruler 2 and a second measuring ruler 3; the first measuring ruler 2 and the second measuring ruler both adopt steel rulers 3. A connecting handle 101 is fixedly arranged below the bidirectional ratchet mechanism 1, and a mounting hole is formed in the connecting handle 101; one end of the connecting handle 101, which is close to the bidirectional ratchet mechanism 1, is provided with a reversing button 5, and the rotation direction of the bidirectional ratchet mechanism 1 can be switched by adjusting the position of the reversing button 5. The back of the first measuring ruler 2 is provided with a slot, and a second measuring ruler 3 is movably arranged in the slot. When the second measuring ruler 3 is not pulled out, the zero scribed line thereof coincides with the largest scribed line of the first measuring ruler 2.
One end of the first measuring ruler 2 is provided with a first positioning hole matched with the mounting hole, and the two-way ratchet mechanism 1 and the first measuring ruler 2 are fixedly mounted through the first positioning hole and the mounting hole by a fastener 4 in sequence; the fastening member 4 is a bolt. The initial scale on the first measuring ruler 2 is N, the measuring range is M, the vertical distance from the central point of the bidirectional ratchet mechanism 1 to the initial scale is N, and N is more than or equal to 5cm and less than or equal to 10cm; the sum of M and N is generally set to be a numerical value slightly smaller than the height of the middle shaft to be measured, and M + N =15cm in terms of height measurement of the current collector of the Tianjin subway No. 3 line vehicle can be adjusted according to actual requirements.
As shown, the mounting hole is located on the centerline of the bidirectional ratchet mechanism 1. And a second positioning hole matched with the mounting hole is formed in the tail end of the second measuring ruler 3. When the second measuring ruler 3 and the first measuring ruler 2 are vertically installed, the fastener 4 sequentially penetrates through the second positioning hole, the first positioning hole and the installation hole, and the maximum scale mark K of the second measuring ruler 3 is located on the central line of the bidirectional ratchet mechanism 1. The relative position of the current collector central axis in the horizontal direction can now be measured by means of the second measuring ruler 3.
The specification of the bidirectional ratchet mechanism 1 includes but is not limited to table 1, and those skilled in the art can select the ratchet size and match different specifications of the straight steel rule according to actual measurement requirements.
TABLE 1 bolt corresponding middle axle ratchet size
Although the preferred embodiments of the present invention have been described, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention. All of which fall within the scope of the present invention.
Claims (9)
1. Fixed simple and easy measuring apparatu of ratchet with adjustable, its characterized in that: the device comprises a bidirectional ratchet mechanism, a first measuring ruler and a second measuring ruler; a connecting handle is fixedly arranged below the bidirectional ratchet mechanism, and a mounting hole is formed in the connecting handle; one end of the first measuring ruler is provided with a first positioning hole matched with the mounting hole, and the bidirectional ratchet mechanism and the first measuring ruler are fixedly mounted by sequentially penetrating through the first positioning hole and the mounting hole through a fastener; the initial scale on the first measuring ruler is N, the measuring range is M, the vertical distance from the central point of the bidirectional ratchet mechanism to the initial scale is N, and N is more than or equal to 5cm and less than or equal to 10cm; the back of the first measuring ruler is provided with a slot, and a second measuring ruler is movably installed in the slot.
2. The adjustable simple measuring instrument for ratchet fixation according to claim 1, wherein: the sum of M and N is a numerical value slightly smaller than the height of the middle shaft to be measured.
3. The adjustable simple measuring instrument for ratchet fixation according to claim 1, wherein: and a reversing button is arranged at one end of the connecting handle close to the bidirectional ratchet mechanism.
4. The adjustable simple measuring instrument for ratchet fixing according to claim 1, wherein: when the second measuring ruler is not pulled out, the zero scribed line of the second measuring ruler coincides with the maximum scribed line of the first measuring ruler.
5. The adjustable simple measuring instrument for ratchet fixation according to claim 1, wherein: the mounting hole is positioned on the central line of the bidirectional ratchet mechanism.
6. The adjustable simple measuring instrument for ratchet fixation according to claim 5, wherein: and a second positioning hole matched with the mounting hole is formed in the tail end of the second measuring ruler.
7. The adjustable simple measuring instrument for ratchet fixing according to claim 6, wherein: when the second measuring ruler is vertically installed with the first measuring ruler, the fastener sequentially penetrates through the second positioning hole, the first positioning hole and the installation hole, and the maximum scale line of the second measuring ruler is located on the center line of the bidirectional ratchet mechanism.
8. The adjustable simple measuring instrument for ratchet fixation according to any one of claims 1 to 7, wherein: the first measuring ruler and the second measuring ruler are both steel rulers.
9. The adjustable simple measuring instrument for ratchet fixation according to any one of claims 1 to 7, wherein: the fastener is a bolt, an elastic buckle or a bayonet lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222456624.7U CN218034783U (en) | 2022-09-16 | 2022-09-16 | Adjustable simple measuring instrument for fixing ratchet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222456624.7U CN218034783U (en) | 2022-09-16 | 2022-09-16 | Adjustable simple measuring instrument for fixing ratchet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218034783U true CN218034783U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222456624.7U Active CN218034783U (en) | 2022-09-16 | 2022-09-16 | Adjustable simple measuring instrument for fixing ratchet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218034783U (en) |
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2022
- 2022-09-16 CN CN202222456624.7U patent/CN218034783U/en active Active
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