Tooth sleeve internal spline taper pre-expansion device

By designing a pre-expansion device for the internal spline taper of the gear sleeve, the problem of detecting the pre-expansion of the internal spline taper was solved, enabling the detection of the reliability and stability of the workpiece and providing data-driven dimensional understanding.

CN223749484UActive Publication Date: 2026-01-02JINAN TAISHEN MASCH CO LTD
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Patent Information

Application Number
CN202520241621.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-02
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing technologies require pre-expansion testing of the internal spline taper, but there is a lack of effective testing devices and methods, which affects the reliability and stability of the workpiece.

Method used

A pre-expansion device for the taper of the internal spline of a gear sleeve was designed, including components such as a base, a fixed column, a test cone, a connecting column, a connecting rod, a top cover, an electric cylinder, and an infrared rangefinder. The taper pre-expansion of the workpiece is achieved by rotating the top cover and controlling the electric cylinder, and the dimensional detection is performed using data.

Benefits of technology

It enables the detection of workpiece taper pre-expansion, facilitates workpiece removal, provides dimensional data understanding, and improves the reliability and stability of workpieces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of internal spline taper pre-expansion, and discloses a gear sleeve internal spline taper pre-expansion device which comprises a base, the top end of the base is fixedly connected with a fixed column, the top end of the fixed column is fixedly connected with a testing cone, a movable groove is formed in the testing cone, and the movable groove is fixedly connected with the fixed column. A connecting column is movably connected to the upper portion of the testing cone, and a connecting rod is fixedly connected to the bottom end of the connecting column. During use, a workpiece is placed on the testing cone, the connecting column is inserted into the workpiece, the bottom end of the connecting column is fixedly connected with the connecting rod, a movable groove is formed in the testing cone, and the size of the connecting rod is matched with that of the movable groove; the bottom end of the outer side of the connecting rod is provided with a thread, the size of the thread is matched with that of the threaded sleeve at the base end, the connecting column moves downwards by rotating the top cover, a workpiece moves up and down on the outer side of the testing cone, and therefore taper pre-expansion of the internal spline before use is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to inner spline taper preexpansion technical field, concretely is a kind of tooth cover inner spline taper preexpansion device. BACKGROUND

[0002] Spline is a kind of mechanical connection mode, its structure usually includes shaft, spline and shaft sleeve, the number of spline teeth is more, total contact area is larger, so it can bear larger load.

[0003] By taper design, certain pre-tightening force is generated in the connection process, before the use of spline in tooth cover, inner spline taper needs to be pre-expanded and detected, so as to ensure the reliability and stability of workpiece.

[0004] Now, a kind of tooth cover inner spline taper preexpansion device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of tooth cover inner spline taper preexpansion device to solve the problem of preexpansion detection of inner spline taper in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of tooth cover inner spline taper preexpansion device, including base, the top of the base is fixedly connected with fixed column, the top of the fixed column is fixedly connected with test cone, the inside of the test cone is equipped with movable slot, the top of the test cone is movably connected with connecting column, the bottom of the connecting column is fixedly connected with connecting rod, the top of the connecting column is fixedly connected with top cover, the inside of the top of the top cover is equipped with hexagonal slot, the bottom of the outer side of the connecting rod is equipped with screw thread, the bottom of the base is fixedly connected with screw sleeve, the outer side of the test cone is sleeved with workpiece.

[0007] As a further technical scheme of the utility model, the radius of the top of the test cone is consistent with the radius of the connecting column, and the radius of the bottom of the test cone is greater than the radius of the connecting column.

[0008] As a further technical scheme of the utility model, the outer diameter of the connecting rod matches the inner diameter of the movable slot, and the connecting rod can move up and down inside the movable slot.

[0009] As a further technical scheme of the utility model, the connecting column can move up and down, and the size of the screw thread matches the size of the screw sleeve.

[0010] As a further technical scheme of the utility model, the middle of the top of the base is fixedly connected with fixed seat, the left side of the top of the fixed seat is installed with first electric cylinder, the right side of the top of the fixed seat is installed with second electric cylinder, and the top of the first electric cylinder and the second electric cylinder is installed with top plate.

[0011] As a further technical scheme of the utility model, the first electric cylinder and the second electric cylinder adopt the same model and are controlled by the same control program, and the inner diameter of the top plate is larger than the outer diameter of the test cone.

[0012] As a further technical scheme of the utility model, the first electric cylinder and the second electric cylinder adopt the same model and are controlled by the same control program, and the inner diameter of the top plate is larger than the outer diameter of the test cone.

[0013] As a further technical scheme of the utility model, the first electric cylinder and the second electric cylinder adopt the same model and are controlled by the same control program, and the inner diameter of the top plate is larger than the outer diameter of the test cone.

[0014] Compared with the prior art, the utility model has the beneficial effects that the spline inner taper pre-expansion device not only realizes the taper pre-expansion of the spline inner before use, but also realizes the convenient taking out of the pre-expanded workpiece and the size data understanding of the workpiece pre-expansion.

[0015] (1) through setting up base, fixed column, test cone, movable slot, connecting column, connecting rod, top cover, limit hole, screw thread, screw sleeve and workpiece, when using, through placing workpiece on test cone, connecting column is inserted into workpiece inside, the bottom end of connecting column is fixedly connected with connecting rod, movable slot is set up in the inside of test cone, connecting rod is matched with movable slot in size, the bottom end of connecting rod outside is set up with screw thread, screw thread is matched with screw sleeve in size in the end of base, through rotating top cover, connecting column is moved down, workpiece is moved up and down on the outside of test cone, thereby realizing the taper pre-expansion of spline inner before use.

[0016] (2) through setting up fixed seat, first electric cylinder, second electric cylinder and top plate, when using, through fixedly connecting fixed seat on the top end of base, installing first electric cylinder on the left side of the top end of fixed seat, installing second electric cylinder on the right side of the top end of fixed seat, through the same program control first electric cylinder and second electric cylinder, thereby realizing the parallel rising of top plate, the top end of top plate is contacted with workpiece, thereby facilitating the taking out of workpiece after testing.

[0017] (3) through setting up first mounting seat, first infrared range finder, second mounting seat and second infrared range finder, when using, through installing first mounting seat on the left side of the top end of base, installing second mounting seat on the right side of the top end, the first infrared range finder on the right side of first mounting seat is opposite to the left side of workpiece, the second infrared range finder on the left side of second mounting seat is opposite to the right side of workpiece, thereby realizing the data understanding of the size of workpiece during pre-expansion testing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0019] Figure 2 It is a front view structure schematic view of the utility model;

[0020] Figure 3 It is a Figure 1 It is a local section enlarged structure schematic view of the utility model at A place;

[0021] Figure 4 It is a top view structure schematic view of the utility model.

[0022] In the figure: 1, base; 2, fixed column; 3, test cone; 4, movable groove; 5, connecting column; 6, connecting rod; 7, top cover; 8, hexagonal groove; 9, screw thread; 10, screw sleeve; 11, workpiece; 12, fixed seat; 13, first electric cylinder; 14, second electric cylinder; 15, top plate; 16, first mounting seat; 17, first infrared range finder; 18, second mounting seat; 19, second infrared range finder. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Embodiment: please refer to Figures 1-4 A tooth sleeve inner spline taper pre-expansion device, including base 1, the top of base 1 is fixedly connected with fixed column 2, the top of fixed column 2 is fixedly connected with test cone 3, the inside of test cone 3 is provided with movable groove 4, the top of test cone 3 is movably connected with connecting column 5, the bottom of connecting column 5 is fixedly connected with connecting rod 6, the top of connecting column 5 is fixedly connected with top cover 7, the inside of the top of top cover 7 is provided with hexagonal groove 8, the bottom of the outside of connecting rod 6 is provided with screw thread 9, the bottom of base 1 is fixedly connected with screw sleeve 10, the outside of test cone 3 is sleeved with workpiece 11;

[0025] The radius of the top of test cone 3 is consistent with the radius of connecting column 5, the radius of the bottom of test cone 3 is greater than the radius of connecting column 5, the outer diameter of connecting rod 6 is matched with the inner diameter of movable groove 4, connecting rod 6 can move up and down in the inside of movable groove 4, connecting column 5 can move up and down, the size of screw thread 9 is matched with screw sleeve 10;

[0026] Specifically, as Figure 1 And Figure 2As shown, in use, by placing the workpiece 11 on the test cone 3, inserting the connecting column 5 into the workpiece 11, the bottom end of the connecting column 5 is fixedly connected with the connecting rod 6, the inside of the test cone 3 is provided with a movable slot 4, the connecting rod 6 is matched with the movable slot 4 in size, the bottom end of the outside of the connecting rod 6 is provided with a thread 9, the thread 9 is matched with the screw sleeve 10 at the end of the base 1 in size, by rotating the top cover 7, the connecting column 5 is moved downward, the workpiece 11 is moved up and down on the outside of the test cone 3, so as to realize the taper pre-expansion of the inner spline before use.

[0027] The middle of the top end of the base 1 is fixedly connected with a fixed seat 12, the left side of the top end of the fixed seat 12 is installed with a first electric cylinder 13, the right side of the top end of the fixed seat 12 is installed with a second electric cylinder 14, the top end of the first electric cylinder 13 and the second electric cylinder 14 is installed with a top plate 15, the first electric cylinder 13 and the second electric cylinder 14 adopt the same model and are controlled by the same control program, the inner diameter of the top plate 15 is larger than the outer diameter of the test cone 3;

[0028] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , in use, by fixedly connecting the fixed seat 12 at the top end of the base 1, installing the first electric cylinder 13 at the left side of the top end of the fixed seat 12, installing the second electric cylinder 14 at the right side of the top end of the fixed seat 12, controlling the first electric cylinder 13 and the second electric cylinder 14 by the same program, so as to realize the parallel rising of the top plate 15, the top end of the top plate 15 is in contact with the workpiece 11, so as to facilitate the taking out of the workpiece 11 after testing.

[0029] The left side of the top end of the base 1 is fixedly connected with a first mounting seat 16, the top end of the right side of the first mounting seat 16 is installed with a first infrared range finder 17, the right side of the top end of the base 1 is fixedly connected with a second mounting seat 18, the top end of the left side of the second mounting seat 18 is installed with a second infrared range finder 19, the first infrared range finder 17 is opposite to the left side of the workpiece 11, the second infrared range finder 19 is opposite to the right side of the workpiece 11, the first mounting seat 16 and the second mounting seat 18 are symmetrically arranged;

[0030] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , in use, by installing the first mounting seat 16 at the left side of the top end of the base 1, installing the second mounting seat 18 at the right side of the top end, the first infrared range finder 17 at the right side of the first mounting seat 16 is opposite to the left side of the workpiece 11, the second infrared range finder 19 at the left side of the second mounting seat 18 is opposite to the right side of the workpiece 11, so as to realize the data understanding of the size of the workpiece 11 during pre-expansion testing.

[0031] Working principle: the utility model discloses when using, first, by the workpiece 11 is placed on the test cone 3, the connecting column 5 is inserted into workpiece 11 inside, the bottom end fixed connection connecting rod 6 of connecting column 5, the inside of test cone 3 is set up movable slot 4, and connecting rod 6 and movable slot 4 size match, and the bottom end of connecting rod 6 outside is set up thread 9, and thread 9 and the screw nut 10 size matching of base 1 end, by rotating top cover 7, connecting column 5 is moved down, and workpiece 11 is moved up and down on the outside of test cone 3, to realize the taper pre-expansion of internal spline before using, second, by the top end fixed connection fixed seat 12 of base 1, the left side of the top end of fixed seat 12 installs first electric cylinder 13, and the right side of the top end of fixed seat 12 installs second electric cylinder 14, by same program control first electric cylinder 13 and second electric cylinder 14, to realize the parallel rise of top plate 15, and the top end of top plate 15 contacts workpiece 11, to facilitate the removal of workpiece 11 after testing, simultaneously, by the left side installation first mounting seat 16 of base 1 top end, the right side installation second mounting seat 18 of top end, and the first infrared range finder 17 of first mounting seat 16 right side is directly opposite the left side of workpiece 11, and the second infrared range finder 19 of second mounting seat 18 left side is directly opposite the right side of workpiece 11, to realize the data understanding of the size of workpiece 11 when pre-expanding test.

[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A device for pre-expanding the internal spline taper of a toothed sleeve, comprising a base (1), characterized in that: The top end of the base (1) is fixedly connected with a fixed column (2), the top end of the fixed column (2) is fixedly connected with a test cone (3), the inside of the test cone (3) is provided with a movable groove (4), the upper side of the test cone (3) is movably connected with a connecting column (5), the bottom end of the connecting column (5) is fixedly connected with a connecting rod (6), the top end of the connecting column (5) is fixedly connected with a top cover (7), the inside of the top end of the top cover (7) is provided with a hexagonal groove (8), the bottom end of the outside of the connecting rod (6) is provided with a thread (9), the bottom end of the base (1) is fixedly connected with a screw sleeve (10), the outside of the test cone (3) is sleeved with a workpiece (11).

2. A bushing internal spline taper pre-expansion device according to claim 1, wherein: The radius of the top end of the test cone (3) is consistent with the radius of the connecting column (5), and the radius of the bottom end of the test cone (3) is greater than the radius of the connecting column (5).

3. A bushing internal spline taper pre-expander as defined in claim 1 wherein: The outer diameter of the connecting rod (6) matches the inner diameter of the movable groove (4), and the connecting rod (6) can move up and down in the inside of the movable groove (4).

4. The bushing internal spline taper pre-expander of claim 1, wherein: The connecting column (5) can be up and down, and the size of the thread (9) matches the size of the screw sleeve (10).

5. A bushing internal spline taper pre-expander as defined in claim 1 wherein: The top end of the base (1) is fixedly connected with a fixed seat (12), the left side of the top end of the fixed seat (12) is provided with a first electric cylinder (13), the right side of the top end of the fixed seat (12) is provided with a second electric cylinder (14), and the top end of the first electric cylinder (13) and the second electric cylinder (14) is provided with a top plate (15).

6. A bushing internal spline taper pre-expander as defined in claim 5 wherein: The first electric cylinder (13) and the second electric cylinder (14) adopt the same model and are controlled by the same control program, and the inner diameter of the top plate (15) is greater than the outer diameter of the test cone (3).

7. A bushing internal spline taper pre-expander as defined in claim 1 wherein: The left side of the top end of the base (1) is fixedly connected with a first mounting seat (16), the top end of the right side of the first mounting seat (16) is provided with a first infrared range finder (17), the right side of the top end of the base (1) is fixedly connected with a second mounting seat (18), and the top end of the left side of the second mounting seat (18) is provided with a second infrared range finder (19).

8. A bushing internal spline taper pre-expander as defined in claim 7 wherein: The first infrared range finder (17) faces the left side of the workpiece (11), the second infrared range finder (19) faces the right side of the workpiece (11), and the first mounting seat (16) and the second mounting seat (18) are symmetrically arranged.