Planet carrier gear pin pressing tool

Abstract

The utility model discloses a planet carrier gear pressure pin tooling, including: rod assembly, seal ring and magnet piece, the rod assembly includes chassis, step block, rod body, seal groove, square groove and location hole, the top of chassis is fixedly connected with step block. The magnet piece is attracted and attached to the square groove of the rod body, the rod body forms a complete cylinder, the sealing ring is clamped into the sealing groove and then pressed into a planet carrier pin hole, then the rod body is corrected through the base plate, the rod body is perpendicular to a planet carrier, the installation precision of a pin shaft is improved, and meanwhile due to the fact that the rod body is attracted and attached to the magnet piece, the pin shaft is not damaged. During detection and operation, once the pin shaft axially moves, the rod body is subjected to friction force between the rod body and the planet carrier, and according to the Lenz's law, the rod body is also subjected to additional resistance, so that the jumping of the pin shaft is greatly reduced, the stability of the pin shaft is improved, and the product percent of pass and the production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to planetary carrier gear press pin technology field, specifically to a kind of planetary carrier gear press pin frock. BACKGROUND

[0002] At present, during the press pin process of planetary carrier, hand is adopted to support pin shaft, and the pin shaft is pressed into the pin hole of planetary carrier, the press pin mode exists the problem of pin shaft memory deflection, leading to the detection of large runout, serious pin shaft fracture, the noise of reduction gearbox after assembly is increased, and the product qualification rate and production efficiency are reduced. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of planetary carrier gear press pin frock, magnet sheet is attached in the square groove of stem body, stem body forms complete cylindrical, sealing ring is inserted into sealing groove, then is pressed into the inside of planetary carrier pin hole, then stem body is corrected using bottom disc, stem body and planetary carrier keep vertical, improve the installation accuracy of pin shaft, while stem body is attached with magnet sheet, stem body also has magnetism, when detecting and running, pin shaft will not only be subjected to the friction of stem body and planetary carrier, according to the law of Lenz, stem body will also be subjected to additional resistance, so that the runout of pin shaft is greatly reduced, the stability of pin shaft is improved, so that the product qualification rate and production efficiency are improved.

[0004] To achieve the above object, provide a kind of planetary carrier gear press pin frock, including: rod assembly, sealing ring and magnet sheet, the rod assembly includes bottom disc, step block, stem body, sealing groove, square groove and positioning hole, the top of the bottom disc is fixedly connected with step block, the top of the step block is fixedly connected with stem body, the circumferential surface of the stem body is provided with sealing groove, the circumferential surface of the stem body is provided with square groove, and the bottom disc is provided with positioning hole.

[0005] According to the planetary carrier gear press pin frock, the cross section of the magnet sheet is fan-shaped, the magnet sheet is located inside square groove and is attached with stem body.

[0006] According to the planetary carrier gear press pin frock, the inside of the sealing groove is provided with sealing ring, and the sealing ring is connected with stem body.

[0007] According to the planetary carrier gear press pin frock, the number of positioning holes is three, and is evenly distributed around step block.

[0008] According to the planetary carrier gear press pin frock, the square groove is located above sealing groove.

[0009] Compared with the prior art, the beneficial effects of the utility model are that: through setting up sealing ring, magnet sheet, bottom disc, step block, rod body, sealing groove, square groove and positioning hole, the magnet sheet is adsorbed and pasted in the square groove of the rod body, the rod body forms complete cylinder, the sealing ring is clamped into the sealing groove, then is pressed into the inside of planet carrier pin hole, then the rod body is corrected by the bottom disc, the rod body keeps vertical with the planet carrier, the installation precision of the pin shaft is improved, at the same time, the rod body also has magnetism because of being adsorbed and pasted with the magnet sheet, when detecting and operating, once the pin shaft produces axial movement, not only will be subjected to the friction of the rod body and the planet carrier, according to the law of Lenz, the rod body will also be subjected to additional resistance, thereby greatly reducing the runout of the pin shaft, improving the stability of the pin shaft, thereby improving the product qualification rate and production efficiency.

[0010] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be known by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further explained in connection with the drawings and embodiments;

[0012] Figure 1 It is the front view of a kind of planet carrier gear press pin tool of the utility model;

[0013] Figure 2 It is the main rod structure diagram of a kind of planet carrier gear press pin tool of the utility model;

[0014] Figure 3 It is the sealing ring structure diagram of a kind of planet carrier gear press pin tool of the utility model;

[0015] Figure 4 It is the magnet sheet structure diagram of a kind of planet carrier gear press pin tool of the utility model.

[0016] In the drawing: 1, rod assembly;2, sealing ring;3, magnet sheet;101, bottom disc;102, step block;103, rod body;104, sealing groove;105, square groove;106, positioning hole. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in connection with the drawings in the embodiments of the utility model, and apparently, 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 belong to the scope of protection of the utility model.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a planet carrier gear press pin frock, include: pole subassembly 1, seal ring 2 and magnet piece 3, pole subassembly 1 includes bottom disc 101, step block 102, pole body 103, seal groove 104, square groove 105 and positioning hole 106, the top fixed connection of bottom disc 101 has step block 102, the top fixed connection of step block 102 has pole body 103, the circumferential surface of pole body 103 is provided with seal groove 104, the circumferential surface of pole body 103 is provided with square groove 105, square groove 105 is located the top of seal groove 104, be provided with positioning hole 106 on bottom disc 101, the number of positioning hole 106 is provided with three, and evenly distribute in the four around step block 102, are used for the installation of the positioning pin shaft.

[0019] The inside of seal groove 104 is provided with seal ring 2, seal ring 2 is clamped with pole body 103, improves the friction between pole body 103 and planet carrier, the section of magnet piece 3 is fan-shaped, magnet piece 3 is located the inside of square groove 105, and is adsorbed and is combined with pole body 103.

[0020] Working principle: adsorbing and combining magnet piece 3 in square groove 105 of pole body 103, make pole body 103 form complete cylindrical, seal ring 2 is clamped into seal groove 104, then press into planet carrier pinhole inside, then rotate bottom disc 101 and carry out position correction to pole body 103, make pole body 103 keep perpendicular with planet carrier, improve the installation accuracy of pin shaft, simultaneously, pole body 103 because of adsorbing and combining with magnet piece 3, make pole body 103 also have magnetism, when detecting and running, if pin shaft produces axial movement, not only will be subjected to the friction of pole body 103 and planet carrier, according to the law of Lenz, pole body 103 will also be subjected to additional resistance, thereby greatly reduce the runout of pin shaft, improve the stability of pin shaft, thereby improve product qualification rate and production efficiency.

[0021] The utility model has been explained in detail above in connection with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of ordinary skill in the art that belongs to, still can make various changes without departing from the utility model's purpose.

Claims

1. A planetary carrier gear pin pressing tool characterized by, Include: The rod assembly (1) includes the chassis (101), the step block (102), the rod body (103), the sealing groove (104), the square groove (105) and the positioning hole (106), the top of the chassis (101) is fixedly connected with the step block (102), the top of the step block (102) is fixedly connected with the rod body (103), the circumferential surface of the rod body (103) is provided with the sealing groove (104), the circumferential surface of the rod body (103) is provided with the square groove (105), and the positioning hole (106) is arranged on the chassis (101).

2. A planetary carrier gear pin pressing tool as claimed in claim 1, characterized in that: The inside of the sealing groove (104) is provided with the sealing ring (2), and the sealing ring (2) is clamped with the rod body (103).

3. A planetary carrier gear pin pressing tool as claimed in claim 1, characterized in that: The cross section of the magnet piece (3) is fan-shaped, the magnet piece (3) is located in the inside of the square groove (105), and is adsorbed and attached with the rod body (103).

4. A planetary carrier gear pin pressing tool as in claim 1, wherein: The square groove (105) is located above the sealing groove (104).

5. A planetary carrier gear pin pressing tool as claimed in claim 1, characterized in that: The number of the positioning hole (106) is three, and is uniformly distributed around the step block (102).

Images