Internal thread roller bearing rod end connecting structure

Abstract

The utility model relates to the technical field of rod end connecting structures, and discloses an internal thread roller bearing rod end connecting structure which comprises a shell, a second fixing ring penetrates through the left side of the outer wall of the shell, the upper end of the outer wall of the second fixing ring and the lower end of the outer wall of the second fixing ring are in threaded connection with a first bolt and a third bolt respectively, and a threaded rod is in threaded connection with the interior of the left side of the shell. A first fixing ring penetrates through the left side of the outer wall of the threaded rod, the first fixing ring and a second fixing ring are in threaded connection through a first bolt and a third bolt, a second bolt is in threaded connection with the outer side of the threaded rod, and a lifting mechanism is installed at the bottom end of the second fixing ring and mainly used for transporting and installing the first fixing ring and the second fixing ring. According to the utility model, after the roller bearing and the threaded rod are connected, the roller bearing and the threaded rod are loosened and abraded in the subsequent work, so that the roller bearing and the threaded rod can be fixed more firmly by installing the fixing ring at the joint.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pole end connecting structure, especially inner thread roller bearing pole end connecting structure. BACKGROUND

[0002] The inner thread roller bearing is a special type of roller bearing, similar to ordinary roller bearings, composed of an inner ring, an outer ring, rollers and a retainer, the inner ring and the outer ring are usually made of high carbon steel, and the surface is quenched to improve hardness and wear resistance, the roller is the core component of the bearing, which reduces friction by rolling between the inner ring and the outer ring, and the retainer supports the position of the rolling body to prevent collision; but now the situation is that the installation precision of the connecting structure is high and the thread is easy to be affected by wear, in the process of frequent disassembly and installation, the inner thread and the outer thread of the pole end are easy to wear, the reliability of the connection is reduced, and in some harsh working environments, such as high temperature, humidity, dust, etc., the inner thread roller bearing pole end connecting structure is easy to be corroded and polluted, the corrosion will weaken the strength of the thread, and reduce the reliability of the connection.

[0003] The inner thread roller bearing pole end is a mechanical component for connection and support, made of high-strength carbon structural steel; the existing technology is to harden the thread surface of the pole end and the bearing or plate hard chromium, etc., to improve the wear resistance and corrosion resistance of the thread; in addition, anti-bite agent or thread locking agent can be coated, which can prevent the thread from being stuck during disassembly, increase the sealing and anti-loose performance of the thread connection, and also use professional detection equipment such as thread gauge to check the wear of the thread, and replace the severely worn parts in time. Utility model content

[0004] In order to make up for the above shortcomings, the utility model provides an inner thread roller bearing pole end connecting structure, which aims at improving the problem that the inner thread and the outer thread of the pole end are easy to wear, the reliability of the connection is reduced, and in some harsh working environments, such as high temperature, humidity, dust, etc., the inner thread roller bearing pole end connecting structure is easy to be corroded and polluted, the corrosion will weaken the strength of the thread, and reduce the reliability of the connection.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: inner thread roller bearing rod end connection structure, including the shell, the left side of the outer wall of shell is fixed ring two is passed through, the outer wall upper end and outer wall lower end of fixed ring two are respectively connected with bolt one and bolt three with the thread, the left side inside of shell is connected with the thread rod, the left side of the outer wall of thread rod is fixed ring one is passed through, fixed ring one is connected with fixed ring two through bolt one and bolt three with the thread, the outside of thread rod is connected with bolt two with the thread, the bottom of fixed ring two is installed with lifting mechanism, lifting mechanism is mainly used for the transportation and installation of fixed ring one and fixed ring two.

[0006] As a further description of the above technical scheme:

[0007] The lifting mechanism includes a bottom plate, the bottom plate is arranged at the bottom end of the fixed ring one, the top wall of the bottom plate is fixedly connected with the electric push rod, the outer wall of the electric push rod is fixedly connected with the fixed block, the top end of the electric push rod is fixedly connected with the bottom block, the rear side of the fixed block is fixedly connected with the sliding groove plate, the rear side of the bottom block is fixedly connected with the sliding groove block, the sliding groove plate and the sliding groove block are slidably connected, and the top wall of the bottom block is connected with the lifting platform.

[0008] As a further description of the above technical scheme:

[0009] The bottom end of the fixed ring one is fixedly connected with the fixed column, and the bottom end of the fixed column is provided with a wheel.

[0010] As a further description of the above technical scheme:

[0011] The left side of the fixed ring one is provided with a heating base, and the right end of the heating base is fixedly connected with a heating pipe.

[0012] As a further description of the above technical scheme:

[0013] The left end of the fixed ring one is fixedly connected with a hook, and the outside of the hook is provided with a sliding ruler.

[0014] As a further description of the above technical scheme:

[0015] The middle part of the shell is provided with a shaft pin, and the rear end of the shaft pin is provided with a pin shaft.

[0016] As a further description of the above technical scheme:

[0017] The outside of the thread rod is provided with a rubber gasket in the middle part, and the right end of the thread rod is fixedly connected with a taper head.

[0018] As a further description of the above technical scheme:

[0019] The inner side of the right end of the shell is provided with an inner shell, and the inner shell is internally provided with a ball.

[0020] The utility model has the advantages of the following:

[0021] 1、The utility model discloses a rolling bearing and threaded rod are connected, and the rolling bearing and threaded rod can be fixed more firmly through the installation of the fixed ring in the subsequent work.

[0022] 2、The utility model discloses a moving lifting platform is designed, and the required tool and fixed ring can be placed on the workbench, so that the installation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a front view of internal thread rolling bearing rod end connecting structure;

[0024] Figure 2 The utility model provides a perspective view of internal thread rolling bearing rod end connecting structure;

[0025] Figure 3 The utility model provides a side view of internal thread rolling bearing rod end connecting structure;

[0026] Figure 4 The utility model provides a partial structure split drawing of internal thread rolling bearing rod end connecting structure;

[0027] Figure 5 The utility model provides a partial structure schematic view of internal thread rolling bearing rod end connecting structure.

[0028] LEGEND:

[0029] 1, shell, 2, lifting mechanism, 201, bottom plate, 202, fixed block, 203, electric push rod, 204, sliding groove plate, 205, sliding block, 206, lifting platform, 207, bottom block, 3, shaft pin, 4, pin shaft, 5, bolt one, 6, fixed ring one, 7, threaded rod, 8, rubber gasket, 9, bolt two, 10, taper head, 11, wheel, 12, heating pipe, 13, heating base, 14, sliding ruler, 15, hook, 16, fixed column, 17, bolt three, 18, fixed ring two, 19, ball, 20, inner shell. DETAILED DESCRIPTION

[0030] 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, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] With reference to Figure 1 and Figure 4 An embodiment provided by the utility model: inner thread roller bearing rod end connecting structure, including shell 1, the left side of the outer wall of shell 1 is fixed through fixed ring two 18, the outer wall upper end and the outer wall lower end of fixed ring two 18 are respectively connected with bolt one 5 and bolt three 17, the left side inside of shell 1 is connected with threaded rod 7, the left side of the outer wall of threaded rod 7 is fixed through fixed ring one 6, fixed ring one 6 and fixed ring two 18 are connected by bolt one 5 and bolt three 17, the outer side of threaded rod 7 is connected with bolt two 9, the bottom end of fixed ring two 18 is installed with lifting mechanism 2, lifting mechanism 2 is mainly used for the transportation and installation of fixed ring one 6 and fixed ring two 18, the left side of fixed ring one 6 is installed with heating base 13, the right end middle upper part of heating base 13 is fixedly connected with heating pipe 12;

[0032] Specifically, inner thread roller bearing rod end connecting structure contains shell 1, the left side of the outer wall of shell 1 is fixed through fixed ring two 18, the upper end and the lower end of fixed ring two 18 are connected with bolt one 5 and bolt three 17 respectively, the left side inside of shell 1 is connected with threaded rod 7, the left side of the outer wall of threaded rod 7 has fixed ring one 6, fixed ring one 6 and fixed ring two 18 are connected by bolt one 5 and bolt three 17, the outer side of threaded rod 7 is connected with bolt two 9, the bottom end of fixed ring two 18 is installed with lifting mechanism 2 for transporting and installing fixed ring one 6 and fixed ring two 18, the left side of fixed ring one 6 is installed with heating base 13, the right end middle upper part of heating base 13 is fixed with heating pipe 12.

[0033] With reference to Figure 2 and Figure 5 Lifting mechanism 2 includes bottom plate 201, bottom plate 201 is arranged at the bottom end of fixed ring one 6, the top wall middle part of bottom plate 201 is fixedly connected with electric push rod 203, the outer wall middle upper part of electric push rod 203 is fixedly connected with fixed block 202, the top end of electric push rod 203 is fixedly connected with bottom block 207, the rear side of fixed block 202 is fixedly connected with sliding groove plate 204, the rear side of bottom block 207 is fixedly connected with sliding groove block 205, sliding groove plate 204 and sliding groove block 205 are slidingly connected, the top wall of bottom block 207 is threadedly connected with lifting platform 206, the middle part front and rear ends of shell 1 are penetrated through shaft pin 3, the rear end of shaft pin 3 is penetrated through pin shaft 4, the right end inside of shell 1 is installed with inner shell 20, the inside of inner shell 20 is installed with ball 19;

[0034] Specifically, the inner thread roller bearing rod end connection structure, the lifting mechanism 2 bottom plate 201 is arranged in the fixed ring one 6 bottom end, the bottom plate 201 top wall middle part is fixed with electric push rod 203, the electric push rod 203 outer wall middle part has fixed block 202, the electric push rod 203 top end is fixed with bottom block 207, the fixed block 202 rear side has sliding groove plate 204, the bottom block 207 rear side has sliding groove block 205, the sliding groove plate 204 is connected with sliding groove block 205, the bottom block 207 top wall connects lifting platform 206, the middle part of the shell 1 front and back end has shaft pin 3, the rear end of the shaft pin 3 has pin shaft 4, the right end of the shell 1 inside is equipped with inner shell 20, the inside of the inner shell 20 is equipped with ball 19.

[0035] Referring to Figure 3 , the bottom end of the fixed ring one 6 is fixedly connected with four fixed columns 16 at the corners, the bottom end of the fixed column 16 is provided with a wheel 11, the left end of the fixed ring one 6 is fixedly connected with a hook 15, the outer side of the hook 15 is provided with a sliding ruler 14, the middle part of the outer side of the threaded rod 7 is provided with a rubber pad 8, and the right end of the threaded rod 7 is fixedly connected with a tapered head 10.

[0036] Specifically, the inner thread roller bearing rod end connection structure, the fixed ring one 6 bottom end four corners have fixed column 16, fixed column 16 bottom end installation wheel 11, fixed ring one 6 left end front fixed hook 15, hook 15 outside setting sliding ruler 14, threaded rod 7 outside middle part installation rubber pad 8, threaded rod 7 right end connection has tapered head 10.

[0037] Working principle: when the roller bearing rod end needs to be connected, first use heating pipe 12 to heat the roller bearing rod end, the rod end expands after heating, the inner diameter increases, which is convenient for smooth installation on the threaded rod 7, the threaded rod 7 is installed in the left side of the shell 1, the middle part of the outer wall of the threaded rod 7 is provided with a bolt two 9 and a rubber pad 8, the right end of the threaded rod 7 is fixed with a tapered head 10, the tapered head 10 is mainly used for the cooperation of the rod end and the bearing inner thread to be more uniform, to reduce the stress concentration phenomenon, improve the reliability of the connection, there is an inner shell 20 in the shell 1, there is a ball 19 in the inner shell 20, there is a fixed ring one 6 on the outer wall of the threaded rod 7, there is a fixed ring two 18 on the left end of the shell 1, the fixed ring one 6 and the fixed ring two 18 are connected through the bolts one 5 and the bolts three 17 of the top wall and the bottom wall, the shaft pin 3 is installed in the middle of the roller bearing, the pin shaft 4 is at the rear end of the shaft pin 3, the heating pipe 12 is at the left side of the threaded rod 7, the heating base 13 is fixed at the left end of the heating pipe 12, the hook 15 is on the front wall middle part of the heating base 13, the sliding ruler 14 is placed on the hook 15, there is a hole at the right end of the threaded rod 7, when the threaded rod 7 is connected to the roller bearing, the shaft pin 3 can pass through the hole of the threaded rod 7 and be tightly connected with the roller bearing;

[0038] The lifting mechanism 2 is arranged at the bottom of the fixed ring one 6, comprising a bottom plate 201, the bottom plate 201 is arranged at the bottom of the fixed ring one 6, the middle part of the top wall of the bottom plate 201 is provided with an electric push rod 203, the outer wall of the electric push rod 203 is provided with a fixed block 202 at the upper part, the rear wall of the fixed block 202 is provided with a sliding groove plate 204, the top end of the electric push rod 203 is provided with a bottom block 207, the top wall of the bottom block 207 is provided with a lifting platform 206, the rear side of the bottom block 207 is provided with a sliding groove block 205, the sliding groove block 205 can slide in the sliding groove plate 204, the four corners of the bottom end of the bottom plate 201 are provided with fixed columns 16, the bottom end of the fixed column 16 is provided with wheels 11, the lifting platform 206 is moved when being connected, the fixed ring one 6, the fixed ring two 18, the bolt one 5 and the bolt three 17 are arranged on the lifting platform 206, and the design is convenient for the installation of the fixed ring.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A female roller bearing rod end connection structure comprising a housing (1), characterised in that: The outer wall left side of the shell (1) penetrates the fixed ring two (18), the outer wall upper end of the fixed ring two (18) is respectively screwed with bolt one (5) and bolt three (17), the left side of the shell (1) is screwed with threaded rod (7), the outer wall left side of the threaded rod (7) penetrates the fixed ring one (6), the fixed ring one (6) and the fixed ring two (18) are screwed by bolt one (5) and bolt three (17), the outer side of the threaded rod (7) is screwed with bolt two (9), the bottom end of the fixed ring two (18) is provided with lifting mechanism (2), the lifting mechanism (2) is mainly used for transporting and installing the fixed ring one (6) and the fixed ring two (18).

2. The internally threaded roller bearing rod end coupling structure of claim 1, wherein: The lifting mechanism (2) comprises a bottom plate (201), the bottom plate (201) is arranged at the bottom end of the fixed ring one (6), the top wall middle part of the bottom plate (201) is fixedly connected with the electric push rod (203), the outer wall middle upper part of the electric push rod (203) is fixedly connected with the fixed block (202), the top end of the electric push rod (203) is fixedly connected with the bottom block (207), the rear side of the fixed block (202) is fixedly connected with the sliding groove plate (204), the rear side of the bottom block (207) is fixedly connected with the sliding groove block (205), the sliding groove plate (204) and the sliding groove block (205) are slidably connected, the top wall of the bottom block (207) is screwed with the lifting platform (206).

3. The internally threaded roller bearing rod end coupling structure of claim 1, wherein: The bottom end of the fixed ring one (6) is fixedly connected with the fixed column (16), the bottom end of the fixed column (16) is provided with the wheel (11).

4. The internally threaded roller bearing rod end coupling structure of claim 1, wherein: The left side of the fixed ring one (6) is provided with the heating base (13), the right end middle upper part of the heating base (13) is fixedly connected with the heating pipe (12).

5. The internally threaded roller bearing rod end coupling structure of claim 1, wherein: The left end front side of the fixed ring one (6) is fixedly connected with the hook (15), the outer side of the hook (15) is provided with the sliding ruler (14).

6. The internally threaded roller bearing rod end coupling structure of claim 1, wherein: The middle part of the shell (1) penetrates the shaft pin (3), the rear end of the shaft pin (3) penetrates the pin shaft (4).

7. The internally threaded roller bearing rod end coupling structure of claim 1, wherein: The outer side middle part of the threaded rod (7) is provided with the rubber pad (8), the right end of the threaded rod (7) is fixedly connected with the taper head (10).

8. The internally toothed roller bearing rod end coupling structure of claim 1, wherein: The right end inner side of the shell (1) is provided with the inner shell (20), the inner shell (20) is provided with the ball (19).

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