CN212458216U

CN212458216U - Cross-rod distance measuring device for sector gear

Info

Publication number: CN212458216U
Application number: CN202021577913.7U
Authority: CN
Inventors: 朱淑平; 张翔
Original assignee: Oechsler Plastic Products Taicang Co Ltd
Current assignee: Oechsler Plastic Products Taicang Co Ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-02-02
Anticipated expiration: 2030-08-03

Abstract

The utility model belongs to the technical field of the stick is striden to the gear and is measured, concretely relates to fan-shaped gear strides stick apart from measuring device. The device comprises a bottom plate, a gear fixing assembly, a dial indicator and a measuring head; the gear fixing assembly and the dial indicator fixing assembly are oppositely arranged on the bottom plate; the dial indicator is arranged on the dial indicator fixing component, and a measuring rod of the dial indicator faces the gear fixing component; the measuring head is arranged at the tail end of a measuring rod of the dial indicator; the gear to be measured can be rotatably clamped on the gear fixing assembly, and the bar span numerical value is measured and calculated by the dial indicator. The utility model discloses can be difficult to measure the span stick distance of the accurate sector gear of side to conventional measuring device and measure, its structure is reliable, and cost economy, convenient operation, measuring error is little, and good repeatability has stronger practical value.

Description

Cross-rod distance measuring device for sector gear

Technical Field

The utility model belongs to the technical field of the stick is striden to the gear and is measured, concretely relates to fan-shaped gear strides stick apart from measuring device.

Background

The rod span is an important technical parameter of the gear, and directly influences the transmission fit of the gear pair. The conventional gear is circular on the whole, and the rod span value can be measured by adopting a conventional rod span measuring device. However, a large number of special-shaped gears, such as sector gears, are involved in the production process of our company, and accurate measurement cannot be realized by adopting a conventional rod span measuring device. Therefore, there is a need to design a new cross-rod distance measuring device to solve the above problems.

Disclosure of Invention

Not enough to prior art exists, the utility model provides a stable height, precision height, the reliable sector gear of measured data stride excellent apart from measuring device.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sector gear cross-rod distance measuring device comprises a bottom plate, a gear fixing assembly, a dial indicator and a measuring head; the gear fixing assembly and the dial indicator fixing assembly are oppositely arranged on the bottom plate; the dial indicator is arranged on the dial indicator fixing component, and a measuring rod of the dial indicator faces the gear fixing component; the measuring head is arranged at the tail end of a measuring rod of the dial indicator; the gear fixing assembly comprises a base, a group of elastic telescopic rods and a positioning frame; the base is fixed on the bottom plate; the positioning frame is connected to the base through an elastic telescopic rod and is positioned on one side close to the dial indicator fixing component; a first clamping groove is formed in the positioning frame in the vertical direction; a second clamping groove is formed in the base along the vertical direction; the first clamping groove and the second clamping groove are oppositely arranged; the position on the base opposite to the positioning frame is also provided with a notch capable of accommodating the gear.

The utility model discloses during the use, pull open the locating frame and press from both sides the gear clamp that awaits measuring between first draw-in groove and second draw-in groove, then make the measuring head and the tooth's socket of the gear that awaits measuring fully contact, read amesdial numerical value, then the rotating gear tests other tooth's sockets according to same method. In addition, the Pin needle can be used for zero calibration before the test so as to further improve the accuracy of the test. The specific operation is that the positioning frame is pulled open to clamp the Pin needle between the first clamping groove and the second clamping groove, and then the measuring head is fully contacted with the Pin needle to perform zero calibration.

Preferably, the first clamping groove and the second clamping groove are both V-shaped grooves. When the V-shaped groove clamp is used for clamping the gear to be measured, the positioning is more accurate, the measurement error is small, and the repeatability is good.

Preferably, the base is L-shaped. The L-shaped base is convenient to vertically install on the bottom plate and is also convenient for other components to be transversely installed on the base.

Furthermore, a group of guide posts are fixed on the positioning frame and slidably penetrate through the base. The accuracy and the reliability of the relative position of the first clamping groove and the second clamping groove can be further improved by additionally arranging the guide pillar, and the measurement precision is guaranteed.

Furthermore, the dial indicator fixing assembly comprises a pair of first limiting blocks, a pair of second limiting blocks, a sliding block, an adjusting bolt, a supporting column, a fixing block and a locking bolt; a pair of first limiting blocks are fixed on the bottom plate in parallel; the pair of second limiting blocks are fixed on the bottom plate in parallel; the first limiting block and the second limiting block enclose a rectangular area; the sliding block is slidably arranged in the enclosed rectangular area, and the sliding direction of the sliding block is parallel to the second limiting block; each first limiting block is provided with at least one adjusting bolt facing the sliding block, and the adjusting bolt can adjust and fix the position of the sliding block; the support column is vertically arranged on the sliding block; the fixed block is slidably sleeved on the support column; the fixed block is also provided with a locking bolt which can lock the fixed block on the supporting column; the dial indicator is fixed on the fixed block.

The dial indicator fixing component of the structure can finely adjust the position of the dial indicator, so that the relative position of the dial indicator and the gear fixing component can be conveniently adjusted, and the measurement precision is improved. Wherein, realize through adjusting bolt adjusting slide's position on the horizontal direction, realize through the position that changes the relative support column of fixed block in the vertical direction.

Preferably, the support column has two, and every support column all corresponds a locking bolt, guarantees fixed reliable firm, avoids not hard up measuring error who causes.

Preferably, the measuring head is a spherical measuring head; the measuring head is fixed at the tail end of a measuring rod of the dial indicator by a fastening sleeve. The test of spherical measuring head is more accurate, and the fastening sleeve can be dismantled and connect and can conveniently change suitable measuring head according to the size of gear.

Has the advantages that: the utility model provides a sector gear strides excellent apart from measuring device can be difficult to measure the accurate sector gear's of side stride excellent apart from measuring conventional measuring device, and its structure is reliable, and cost economy, convenient operation, measuring error is little, and good repeatability has stronger practical value.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the gear fixing assembly;

FIG. 3 is a top view of the gear fixing assembly;

FIG. 4 is a right side view of the positioning frame;

FIG. 5 is a top view of the dial gauge fixing assembly;

fig. 6 is a cross-sectional view taken along the plane a-a in fig. 5.

In the figure, a bottom plate 1, a gear fixing component 2, a dial indicator fixing component 3, a dial indicator 4, a measuring head 5, a fastening sleeve 6, a base 21, an elastic telescopic rod 22, a positioning frame 23 and a first clamping groove 231 are arranged; the locking device comprises a second clamping groove 211, a notch 212, a guide pillar 232, a first limiting block 31, a second limiting block 32, a sliding block 33, an adjusting bolt 34, a supporting column 35, a fixing block 36 and a locking bolt 37.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A sector gear span bar distance measuring device is shown in figures 1 to 6 and comprises a bottom plate 1, a gear fixing assembly 2, a dial indicator fixing assembly 3, a dial indicator 4 and a measuring head 5; the gear fixing component 2 and the dial indicator fixing component 3 are oppositely arranged on the bottom plate 1; the dial indicator 4 is arranged on the dial indicator fixing component 3, and a measuring rod of the dial indicator 4 faces the gear fixing component 2; the measuring head 5 is arranged at the tail end of a measuring rod of the dial indicator 4; the gear fixing component 2 comprises a base 21, a group of elastic telescopic rods 22 and a positioning frame 23; the base 21 is fixed on the bottom plate 1; the positioning frame 23 is connected to the base 21 through the elastic telescopic rod 22, and the positioning frame 23 is positioned at one side close to the dial indicator fixing component 3; a first clamping groove 231 is formed in the positioning frame 23 along the vertical direction; a second clamping groove 211 is formed in the base 21 in the vertical direction; the first card slot 231 is opposite to the second card slot 211; the base 21 is provided with a notch 212 for accommodating the gear at a position opposite to the positioning frame 23.

In this embodiment, a set of guide posts 232 is further fixed on the positioning frame 23, and the guide posts 232 are slidably disposed through the base 21.

In this embodiment, the dial indicator fixing assembly 3 includes a pair of first stoppers 31, a pair of second stoppers 32, a slider 33, an adjusting bolt 34, a supporting column 35, a fixing block 36, and a locking bolt 37; a pair of first stoppers 31 are fixed on the bottom plate 1 in parallel; a pair of second limiting blocks 32 are fixed on the bottom plate 1 in parallel; the first stopper 31 and the second stopper 32 enclose a rectangular area; the sliding block 33 is slidably arranged in the enclosed rectangular area, and the sliding direction of the sliding block 33 is parallel to the second limiting block 32; each first stopper 31 is provided with at least one adjusting bolt 34 facing the sliding block 33, and the adjusting bolt 34 can adjust and fix the position of the sliding block 33; the supporting column 35 is vertically arranged on the sliding block 33; the fixed block 36 is slidably sleeved on the support pillar 35; a locking bolt 37 is further arranged on the fixing block 36, and the fixing block 36 can be locked on the supporting column 35 through the locking bolt 37; the dial indicator 4 is fixed on the fixing block 36.

In this embodiment, the measuring head 5 is fixed to the end of the measuring rod of the dial indicator 4 by a fastening sleeve 6.

Example 2

In this embodiment, the first slot 231 and the second slot 211 are both V-shaped slots.

In this embodiment, the base 21 is L-shaped.

In this embodiment, there are two support columns 35, and each support column 35 corresponds to one locking bolt 37.

In the present embodiment, the measuring head 5 is a spherical measuring head.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principle of the present invention, and these improvements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a sector gear strides excellent apart from measuring device which characterized in that: the device comprises a bottom plate (1), a gear fixing assembly (2), a dial indicator fixing assembly (3), a dial indicator (4) and a measuring head (5); the gear fixing component (2) and the dial indicator fixing component (3) are oppositely arranged on the bottom plate (1); the dial indicator (4) is arranged on the dial indicator fixing component (3), and a measuring rod of the dial indicator (4) faces the gear fixing component (2); the measuring head (5) is arranged at the tail end of a measuring rod of the dial indicator (4); the gear fixing component (2) comprises a base (21), a group of elastic telescopic rods (22) and a positioning frame (23); the base (21) is fixed on the bottom plate (1); the positioning frame (23) is connected to the base (21) through the elastic telescopic rod (22), and the positioning frame (23) is located on one side close to the dial indicator fixing component (3); a first clamping groove (231) is formed in the positioning frame (23) along the vertical direction; a second clamping groove (211) is formed in the base (21) in the vertical direction; the first clamping groove (231) and the second clamping groove (211) are arranged oppositely; a notch (212) capable of accommodating a gear is further formed in the position, opposite to the positioning frame (23), of the base (21).

2. The sector gear span bar distance measuring device of claim 1, wherein: the first clamping groove (231) and the second clamping groove (211) are both V-shaped grooves.

3. The sector gear span bar distance measuring device of claim 1, wherein: the base (21) is L-shaped.

4. The sector gear span bar distance measuring device of claim 1, wherein: a group of guide posts (232) are further fixed on the positioning frame (23), and the guide posts (232) are slidably arranged in the base (21) in a penetrating manner.

5. The sector gear straddle pitch measuring device according to any one of claims 1 to 4, wherein: the dial indicator fixing assembly (3) comprises a pair of first limiting blocks (31), a pair of second limiting blocks (32), a sliding block (33), an adjusting bolt (34), a supporting column (35), a fixing block (36) and a locking bolt (37); the pair of first limiting blocks (31) are fixed on the bottom plate (1) in parallel; the pair of second limiting blocks (32) are fixed on the bottom plate (1) in parallel; the first limiting block (31) and the second limiting block (32) enclose a rectangular area; the sliding block (33) is slidably arranged in the enclosed rectangular area, and the sliding direction of the sliding block (33) is parallel to the second limiting block (32); each first limiting block (31) is provided with at least one adjusting bolt (34) facing the sliding block (33), and the adjusting bolt (34) can adjust and fix the position of the sliding block (33); the supporting column (35) is vertically arranged on the sliding block (33); the fixed block (36) is slidably sleeved on the supporting column (35); the fixing block (36) is further provided with a locking bolt (37), and the fixing block (36) can be locked on the supporting column (35) by the locking bolt (37); the dial indicator (4) is fixed on the fixing block (36).

6. The gear sector rod span measuring device of claim 5, wherein: the number of the support columns (35) is two, and each support column (35) corresponds to one locking bolt (37).

7. The sector gear span bar distance measurement device of claim 6, wherein: the measuring head (5) is a spherical measuring head.

8. The sector gear span bar distance measuring device of claim 7, wherein: the measuring head (5) is fixed at the tail end of a measuring rod of the dial indicator (4) through a fastening sleeve (6).