Center hole length detection device

Abstract

The utility model relates to the technical field of center hole detection, and aims to solve the problems of tedious operation and low detection precision of a gear center hole length detection device in the prior art. The utility model provides a center hole length detection device comprising a deflection instrument which comprises a machine body and a pair of detection assemblies. The pair of detection assemblies are oppositely arranged at the two ends of the machine body; the detection assembly comprises a connecting piece, a steel ball and a core column; one end of the connecting piece is connected with the machine body; a clamping groove is formed in the other end of the connecting piece; one end of the core column is clamped into the clamping groove; the other end of the core column is connected with the steel ball; the steel ball is arranged outside the clamping groove; according to the utility model, the to-be-detected member, namely the gear shaft, can be clamped and detected through the pair of detection assemblies; specifically, a pair of steel balls is embedded into the center holes in the two ends of the gear shaft respectively, and then the lengths of the center holes can be stably and accurately measured by means of a deflection instrument.

Description

TECHNICAL FIELD

[0001] The utility model relates to center hole detection technical field, specifically, a center hole length detection device. BACKGROUND

[0002] After producing gear, it needs to detect various indexes, among them, for center hole, it needs to measure length, in prior art, usually adopt vernier caliper etc. Basic tool cooperation human operation to detect, and then often exist detection result is not accurate and detection efficiency low etc. Problem, and lead to product quality department balance, and production cycle is too long problem, in addition, because gear exists different size, in the process of different batch gear center hole length detection, need repeatedly debug different detection range, operation is tedious,

[0003] Based on the above description, there is an urgent need for a center hole length detection device that can be widely applicable, easy to operate and efficient. UTILITY MODEL CONTENTS

[0004] The utility model discloses a center hole length detection device, which aims to solve the technical problems of tedious operation and low detection precision of the gear center hole length detection device in the prior art.

[0005] The embodiment of the utility model realizes the following technical scheme:

[0006] A center hole length detection device, comprising a deflection instrument, the deflection instrument comprising a machine body and a pair of detection assemblies; a pair of detection assemblies are oppositely arranged at both ends of the machine body; the detection assembly comprises a connecting piece, a steel ball and a core column; one end of the connecting piece is connected with the machine body; the other end of the connecting piece is provided with a clamping groove; one end of the core column is clamped into the clamping groove; the other end of the core column is connected with the steel ball; the steel ball is arranged outside the clamping groove.

[0007] As a preferred, the connecting piece comprises a connecting handle and a conical seat; the extended end of the conical seat is connected with the machine body through the connecting handle; the clamping groove is arranged at the retracted end of the conical seat away from the connecting handle.

[0008] As a preferred, the connecting handle is a Morse taper handle.

[0009] As a preferred, a plurality of first fan-shaped clamping blocks are arranged at the inner side wall of the clamping groove; a plurality of second fan-shaped clamping blocks are arranged at the outer side wall of the end of the core column away from the steel ball.

[0010] As a preferred, a pressing block is arranged at the bottom wall of the clamping groove extending to the first fan-shaped block; the pressing block is connected with the bottom wall of the clamping groove through a memory spring.

[0011] As preferred, one end of the fuselage is provided with a telescopic assembly; the telescopic assembly is connected with the connecting piece.

[0012] As preferred, the telescopic assembly comprises a sliding plate and a telescopic rod; the connecting piece is connected with the sliding plate; the sliding plate is connected with the fuselage through the telescopic rod.

[0013] As preferred, the sliding plate is provided with an infrared sensor near one end of the core column; the emitting end of the infrared sensor extends to the steel ball.

[0014] The technical scheme of the utility model embodiment has at least the following advantages and beneficial effects:

[0015] The utility model discloses a pair of detection assemblies can clamp and detect the measured piece, i. e. the gear shaft. Specifically, a pair of steel balls are embedded in the center holes at both ends of the gear shaft, and then the length of the center hole can be stably and accurately measured by means of the pendulum instrument. The steel balls are installed on the connecting piece through one end of the core column, and are further replaceably and detachably installed on the fuselage through the connecting piece. The detection assemblies can be flexibly replaced according to different measurement requirements, the stability during detection is fully ensured, and the replacement and adjustment operations are simple and easy to implement. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a sectional view of the detection assembly in the utility model;

[0019] Figure 3 It is Figure 2 It is an enlarged schematic view of the partial structure A;

[0020] Figure 4 It is a three-dimensional structural schematic view of the core column in the utility model.

[0021] Figure legend: 1-fuselage, 2-detection assembly, 21-connecting piece, 211-connecting handle, 212-conical seat, 22-steel ball, 23-core column, 231-second fan-shaped clamping block, 3-pressing block, 4-telescopic assembly, 5-infrared sensor. DETAILED DESCRIPTION

[0022] Embodiment 1

[0023] Referring to Figures 1 to 4 The utility model provides the following technical scheme: A center hole length detection device is suitable for the length detection of a center hole.

[0024] Specifically, as Figures 1 to 4 shown, a center hole length detection device includes a deflection instrument, and the deflection instrument includes a body 1 and a pair of detection assemblies 2; the pair of detection assemblies 2 are oppositely arranged at both ends of the body 1; the detection assembly 2 includes a connecting piece 21, a steel ball 22, and a core column 23; one end of the connecting piece 21 is connected with the body 1; the other end of the connecting piece 21 is provided with a clamping groove; one end of the core column 23 is clamped into the clamping groove; the other end of the core column 23 is connected with the steel ball 22; and the steel ball 22 is arranged outside the clamping groove.

[0025] In this embodiment, the pair of detection assemblies 2 can clamp and detect the measured member, i.e., a gear shaft; specifically, by embedding the pair of steel balls 22 into the center holes at both ends of the gear shaft, the length of the center hole can be stably and accurately measured by means of the deflection instrument; wherein the steel ball 22 is arranged at one end of the core column 23, and is further installed on the connecting piece 21, and is further replaceably and detachably installed on the body 1 through the connecting piece 21; thus, the detection assembly 2 can be flexibly replaced according to different measurement requirements, and the stability during detection can be fully ensured, and the replacement and adjustment operations are simple and easy to implement.

[0026] Specifically, as Figures 2 to 4 shown, the connecting piece 21 includes a connecting handle 211 and a conical seat 212; the extended end of the conical seat 212 is connected with the body 1 through the connecting handle 211; and the clamping groove is arranged at the retracted end of the conical seat 212 away from the connecting handle 211.

[0027] In this embodiment, the connecting handle 211 is a Morse taper handle; the connecting handle 211 and the body 1 can be connected in a clamping, screwing, or magnetic attraction connection manner commonly used in the art; by using the Morse taper handle, the positioning accuracy can be improved, and the disassembly operation is facilitated.

[0028] Specifically, as Figures 2 to 4 shown, a plurality of first fan-shaped clamping blocks are arranged at the inner side wall of the clamping groove; and a plurality of second fan-shaped clamping blocks 231 are arranged at the outer side wall of one end of the core column 23 away from the steel ball 22. The bottom wall of the clamping groove is provided with a pressing block 3 extending towards the first fan-shaped block; and the pressing block 3 is connected with the bottom wall of the clamping groove through a memory spring.

[0029] In this embodiment, one end of the core column 23 provided with the second fan-shaped clamping block 231 passes through the gap between the plurality of first fan-shaped clamping blocks into the bottom of the clamping groove, and is further fully fixed by the pressing block 3 pressed by the memory spring.

[0030] Specifically, as Figure 1As shown, one end of the machine body 1 is provided with a telescopic assembly 4; the telescopic assembly 4 is connected with a connecting piece 21. The telescopic assembly 4 comprises a sliding plate and a telescopic rod; the connecting piece 21 is connected with the sliding plate; the sliding plate is connected with the machine body 1 through the telescopic rod.

[0031] In the embodiment, the side plate of the machine body 1 is provided with a sliding groove; one end of the sliding plate is embedded in the sliding groove; the telescopic rod is an electric or pneumatic or hydraulic telescopic rod; the sliding plate is driven to extend or retract through the telescopic rod, thereby facilitating efficient disassembly and assembly of the detection assembly 2.

[0032] In the embodiment, one end of the sliding plate close to the core column 23 is provided with an infrared sensor 5; the emitting end of the infrared sensor 5 extends to the steel ball 22.

[0033] In the embodiment, the infrared sensor 5 can be powered by a battery; whether the steel ball 22 is embedded in the center hole is confirmed through emitting infrared rays.

[0034] The above is only the preferred embodiment of the utility model and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for detecting the length of a center hole, comprising a yaw rate meter, characterized in that... The yaw meter includes a body (1) and a pair of detection components (2); the pair of detection components (2) are disposed opposite to each other at both ends of the body (1); the detection components (2) include a connector (21), a steel ball (22) and a core column (23); one end of the connector (21) is connected to the body (1); the other end of the connector (21) is provided with a slot; one end of the core column (23) is inserted into the slot; the other end of the core column (23) is connected to the steel ball (22); the steel ball (22) is disposed outside the slot.

2. The center hole length detection device according to claim 1, characterized in that: The connector (21) includes a connecting handle (211) and a conical seat (212); the extended end of the conical seat (212) is connected to the body (1) through the connecting handle (211); the slot is located at the contracted end of the conical seat (212) away from the connecting handle (211).

3. The center hole length detection device according to claim 2, characterized in that: The connecting handle (211) is a Morse taper handle.

4. The center hole length detection device according to any one of claims 1 to 3, characterized in that: The inner sidewall of the slot is provided with a plurality of first sector-shaped blocks at intervals; the outer sidewall of the end of the core column (23) away from the steel ball (22) is provided with a plurality of second sector-shaped blocks (231) at intervals.

5. The center hole length detection device according to claim 4, characterized in that: The bottom wall of the card slot extends toward the first sector block and is provided with a pressing block (3); the pressing block (3) is connected to the bottom wall of the card slot through a memory spring.

6. The center hole length detection device according to any one of claims 1 to 3, characterized in that: One end of the fuselage (1) is provided with a telescopic component (4); the telescopic component (4) is connected to the connector (21).

7. The center hole length detection device according to claim 6, characterized in that: The telescopic assembly (4) includes a slide plate and a telescopic rod; the connector (21) is connected to the slide plate; the slide plate is connected to the body (1) via the telescopic rod.

8. The center hole length detection device according to claim 7, characterized in that: An infrared sensor (5) is provided at one end of the slide plate near the core column (23); the emitting end of the infrared sensor (5) extends toward the steel ball (22).

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