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CN-224230906-U - Wedge-shaped clearance measuring ruler

CN224230906UCN 224230906 UCN224230906 UCN 224230906UCN-224230906-U

Abstract

Wedge clearance measurement chi belongs to and measures technical field. The utility model comprises a measuring head, a measuring head conductor, a wedge-shaped measuring main body, a main measuring ruler and a vernier measuring ruler, wherein the front end of the measuring head conductor is provided with the measuring head, the main measuring ruler is arranged on the wedge-shaped measuring main body, the vernier measuring ruler is arranged on the measuring head conductor, the wedge-shaped measuring main body is in sliding fit with the measuring head conductor, the front end of the wedge-shaped measuring main body is provided with a wedge-shaped measuring surface, the measuring head props against a gap to be measured, and the front end of the wedge-shaped measuring main body stretches into the gap to be measured, so that the wedge-shaped measuring surface clamps the gap to be measured. The problem that the traditional wedge-shaped measuring tool is narrow in measuring range (usually less than or equal to 2 mm) and cannot give consideration to full-range high accuracy, other tools must be replaced when the gap of the measuring tool is larger than 2mm, data fracture and complex operation are caused, errors are easy to introduce in manual reading, the simple wedge-shaped ruler lacks an integrated displacement quantification mechanism, direct accurate reading is difficult to achieve, full-range measurement can be completed through single clamping, and repeated replacement of tools is avoided.

Inventors

  • YU GUANGFU
  • YU XIAOXIA
  • YU GUANGYOU

Assignees

  • 黑龙江科广精密机械科技有限公司

Dates

Publication Date
20260512
Application Date
20250715

Claims (10)

  1. 1. The wedge-shaped gap measuring ruler is characterized by comprising a measuring head (1), a measuring head conductor (2), a wedge-shaped measuring body (3), a main measuring ruler (4) and a vernier measuring ruler (5), wherein the measuring head (1) is arranged at the front end of the measuring head conductor (2), the main measuring ruler (4) is arranged on the wedge-shaped measuring body (3), the vernier measuring ruler (5) is arranged on the measuring head conductor (2), the wedge-shaped measuring body (3) is in sliding fit with the measuring head conductor (2), and a wedge-shaped measuring surface (6) is arranged at the front end of the wedge-shaped measuring body (3).
  2. 2. The wedge-shaped clearance measuring ruler according to claim 1, wherein graduation marks are arranged on the vernier measuring ruler (5) and the main measuring ruler (4), and when the front end face of the measuring head (1) is aligned with the front end of the wedge-shaped measuring surface (6), zero graduation marks on the vernier measuring ruler (5) are aligned with zero graduation marks on the main measuring ruler (4).
  3. 3. The wedge-shaped clearance measuring scale according to claim 2, wherein a wide measuring surface (7) is arranged at the rear side of the front end surface of the measuring head (1), a vernier auxiliary measuring scale (8) is further arranged on the measuring head conductor (2), scale marks are arranged on the vernier auxiliary measuring scale (8) and the main measuring scale (4), and when the wide measuring surface (7) is aligned with the front end of the wedge-shaped measuring surface (6), zero scale marks on the vernier auxiliary measuring scale (8) are aligned with zero scale marks on the main measuring scale (4).
  4. 4. The wedge-shaped clearance measuring ruler according to claim 1, wherein the wedge-shaped measuring surfaces (6) are symmetrically arranged on the upper surface and the lower surface of the front end of the wedge-shaped measuring main body (3), and the wedge-shaped measuring surfaces (6) on the upper surface and the lower surface extend forwards and gradually converge at one point.
  5. 5. The wedge-shaped clearance measuring ruler according to claim 3, wherein the measuring head conductor (2) comprises a measuring head conductor bottom plate (21), the vernier measuring ruler (5) and the vernier auxiliary measuring ruler (8) are both arranged on the conductor bottom plate (21), the vernier measuring ruler (5) and the vernier auxiliary measuring ruler (8) are arranged in parallel up and down, and the wedge-shaped measuring main body (3) is arranged between the vernier measuring ruler (5) and the vernier auxiliary measuring ruler (8) in a sliding mode.
  6. 6. The wedge gap measuring scale according to claim 5, wherein the vernier measuring scale (5) and the vernier auxiliary measuring scale (8) are respectively mounted on the conductor bottom plate (21) through conductor blade limiting plates (22), and the conductor blade limiting plates (22) on the upper side and the lower side limit the wedge measuring body (3) to slide only in the front-rear displacement direction parallel to the vernier measuring scale (5) and the vernier auxiliary measuring scale (8).
  7. 7. The wedge-shaped clearance measuring ruler according to claim 5, wherein a sliding groove (31) is formed in the central axis of the wedge-shaped measuring main body (3), and the measuring head (1) slides back and forth along the sliding groove (31).
  8. 8. The wedge-shaped clearance measuring ruler according to claim 7, wherein the measuring head (1) is in sliding fit with the sliding groove (31) through a measuring head conductor connecting piece (11), and the measuring head (1) is fixedly matched with the conductor bottom plate (21) through the measuring head conductor connecting piece (11).
  9. 9. The wedge-shaped clearance measuring ruler according to claim 8, wherein the measuring head (1) is fixedly matched with the measuring head conductor connecting piece (11) through clamping the measuring head cover plate (12).
  10. 10. The wedge-shaped clearance measuring ruler according to claim 5, wherein a locking screw (9) is mounted on the conductor bottom plate (21) in a threaded fit mode, and when the locking screw (9) is screwed, the measuring head conductor (2) and the wedge-shaped measuring main body (3) are relatively fixed.

Description

Wedge-shaped clearance measuring ruler Technical Field The utility model relates to a wedge-shaped clearance measuring ruler, and belongs to the technical field of measurement. Background In the fields of mechanical manufacture, aerospace, precise assembly and the like, accurate measurement of a narrow gap is a key technical link for ensuring the operation reliability of equipment. Traditional gap measurement methods rely mainly on the following tools: 1. the feeler gauge has low efficiency because the feeler gauge needs to be repeatedly replaced with the gauge with different thickness, can only measure discrete sizes (such as 0.05mm intervals), cannot continuously read, is difficult to penetrate into narrow space and is easy to introduce human errors. 2. The common wedge-shaped feeler gauge has the advantages that the gap width is converted through taper, but a displacement quantification mechanism is lacked, the additional matching of callipers for reading is needed, the operation is complex, the single-body range design (which usually only covers 0-1 mm) is adopted, and tools are needed to be replaced when the single-body range design is out of range. 3. The electronic digital display caliper has high cost, low oil stain resistance and low vibration capability, is not suitable for industrial sites, and the measuring head structure cannot be suitable for wedge-shaped gap expansion measurement scenes. In summary, the measuring head of the traditional high-precision tool (such as a vernier caliper) cannot be wedged into a gap, and the special wedge-shaped ruler lacks a precision scale system, meanwhile, the traditional wedge-shaped ruler only supports small-gap measurement (usually less than or equal to 2 mm), the large-gap tool is required to be switched to cause data continuity loss, and the measurement steps are increased when the multiple tools are matched for use, so that the measuring method is particularly inconvenient in a limited space. Therefore, it is needed to provide a wedge-shaped clearance gauge to solve the above technical problems. Disclosure of utility model The utility model aims to solve the problems that the traditional wedge-shaped measuring tool has narrow measuring range (usually less than or equal to 2 mm) and cannot give consideration to full-range high precision, other tools are required to be replaced when a gap larger than 2mm is measured, data fracture and operation are complicated, errors are easy to introduce in manual reading, and a simple wedge-shaped ruler lacks an integrated displacement quantification mechanism and is difficult to realize direct accurate reading, and brief overview of the utility model is provided below so as to provide basic understanding about certain aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model. The technical scheme of the utility model is as follows: The wedge-shaped gap measuring ruler comprises a measuring head, a measuring head conductor, a wedge-shaped measuring main body, a main measuring ruler and a vernier measuring ruler, wherein the measuring head is arranged at the front end of the measuring head conductor, the main measuring ruler is arranged on the wedge-shaped measuring main body, the vernier measuring ruler is arranged on the measuring head conductor, the wedge-shaped measuring main body is in sliding fit with the measuring head conductor, the front end of the wedge-shaped measuring main body is provided with a wedge-shaped measuring surface, the measuring head abuts against a gap to be measured, and the front end of the wedge-shaped measuring main body stretches into the gap to be measured, so that the wedge-shaped measuring surface blocks the gap to be measured. Preferably, the vernier measuring scale and the main measuring scale are respectively provided with scale marks, and when the front end face of the measuring head is aligned with the front end of the wedge-shaped measuring surface, the zero scale marks on the vernier measuring scale are aligned with the zero scale marks on the main measuring scale. Preferably, a wide measuring surface is arranged at the rear side of the front end surface of the measuring head, a vernier auxiliary measuring ruler is further arranged on the measuring head conductor, scale marks are arranged on the vernier auxiliary measuring ruler and the main measuring ruler, and when the wide measuring surface is aligned with the front end of the wedge-shaped measuring head, zero scale marks on the vernier auxiliary measuring ruler are aligned with scale marks on the front end of the main measuring ruler. Preferably, the wedge-shaped measuring surfaces are symmetrically arranged on the upper surface and the lower surface of the front end of the wedge-shaped measuring main body, and the wedge-shaped measuring su