A needle bearing mounting device

Abstract

The utility model relates to bearing installation technical field, concretely is a kind of needle bearing mounting device, including installation device main body, the bottom four corners of installation device main body are evenly provided with support chassis, the front side of installation device main body is provided with temperature control screen, the top side of installation device main body is symmetrically provided with first mounting bracket and second mounting bracket, the top end swing joint of first mounting bracket has bearing heating rod, the top of second mounting bracket is provided with fixed rod, the position of fixed rod is opened with the limit slot of corresponding size in the bottom of the end of bearing heating rod far from first mounting bracket, temperature control screen and bearing heating rod electric connection, the inside of oil storage cavity is guided into the inside of oil outlet spray head by hose by hydraulic pump, the inside of oil outlet spray head is injected into bearing seat and installation shaft gap by butter, the inside of bearing is lubricated by butter, improve the service life of needle bearing also facilitate better installation to needle bearing.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing installation technical field, specifically a needle bearing installation device. BACKGROUND

[0002] The needle bearing is usually composed of an inner ring, an outer ring, a retainer and a needle, has the advantages of compact structure and high load bearing capacity, is suitable for supporting structure with limited radial installation size, and has high load bearing capacity.

[0003] According to the utility model discloses a needle bearing installation device belongs to needle bearing installation technical field, the needle bearing installation device includes: pressure head, including the lower pressure part, the contact part and the connecting portion that connect in proper order, wherein, the needle bearing is equipped on the connecting portion, the contact part with the outer diameter surface of needle bearing is contacted, is used for installing needle bearing to the seat hole of shell.

[0004] The needle bearing installation device generates force to the outer diameter surface of the needle bearing through the contact part, installs the needle bearing in place, the contact part is contacted with the outer diameter surface of the needle bearing, guarantees the stress of the outer diameter surface of the needle bearing, prevents the end surface of the needle bearing from being pressed directly, avoids the stress of the needle of the needle bearing, avoids the condition of being pressed skew, avoids the pressure mark of the outer ring raceway, effectively avoids the damage of the needle bearing during the pressure mounting process, avoids the abnormal sound, but, in the above-mentioned technology, the needle inside the needle bearing will be abraded after long time use, causes the irregular shape of the needle surface, leads to the noise of the needle during rolling, influences the service life of the needle bearing, needs the long time maintenance of staff to replace.

[0005] Therefore, the utility model provides a needle bearing installation device. UTILITY MODEL CONTENTS

[0006] The utility model discloses a needle bearing installation device to solve the problems in the background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A needle bearing installation device, including installation device main part, the bottom four corners of installation device main part all are provided with support base, the front side of installation device main part is provided with temperature control screen;

[0009] The top side of the mounting device body is symmetrically provided with a first mounting frame and a second mounting frame, the top end of the first mounting frame is movably connected with a bearing heating rod, the top of the second mounting frame is provided with a fixed rod, the bottom of the end of the bearing heating rod away from the first mounting frame is provided with a limiting slot with a corresponding size at the position corresponding to the fixed rod, and the temperature control screen is electrically connected with the bearing heating rod.

[0010] Preferably, the top of the mounting device body is symmetrically provided with four mounting rods, the top of the mounting rod is fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with a first hydraulic oil cylinder through bolts, and the bottom end of the first hydraulic oil cylinder is provided with a pressing block.

[0011] Preferably, the top of the mounting device body is symmetrically provided with a fourth mounting frame and a fifth mounting frame, one side of the fourth mounting frame is provided with a second hydraulic oil cylinder and a first guide sliding rod, one end of the second hydraulic oil cylinder and the first guide sliding rod is fixedly connected with the fourth mounting frame, and the end of the second hydraulic oil cylinder and the first guide sliding rod away from the fourth mounting frame is fixedly connected with a first clamping block.

[0012] Preferably, one side of the fifth mounting frame is provided with a third hydraulic oil cylinder and a second guide sliding rod, one end of the third hydraulic oil cylinder and the second guide sliding rod is fixedly connected with the fifth mounting frame, and the end of the third hydraulic oil cylinder and the second guide sliding rod away from the fifth mounting frame is fixedly connected with a second clamping block.

[0013] Preferably, the inner side of the first clamping block and the second clamping block is fixedly provided with a bearing seat, the inside of the bearing seat is fixedly provided with a mounting shaft, the inner side of the top of the first clamping block and the second clamping block is attached to the outer side of the bearing seat, and the inner side of the bottom of the first clamping block and the second clamping block is attached to the outer side of the mounting shaft.

[0014] Preferably, the outer side of the mounting shaft is provided with a needle bearing, and the size of the needle bearing is matched with the pressing block.

[0015] Preferably, the inside of one side of the mounting device body is provided with an oil storage cavity, the outer side of the oil storage cavity is provided with a cover plate, the rear side of the mounting device body is fixedly provided with a hydraulic pump through bolts, the bottom of the hydraulic pump is communicated with the inside of the oil storage cavity through a hose, and the top of the hydraulic pump is fixedly connected with an oil outlet nozzle through a hose.

[0016] Preferably, the two sides of the oil outlet nozzle are movably connected with a third mounting frame, the third mounting frame is symmetrically fixed on the top of the mounting device body, and one side of the oil outlet nozzle is fixedly connected with a driving motor through a bearing.

[0017] The working principle and beneficial effects of the utility model are as follows:

[0018] The utility model discloses a first clamping block and second clamping block are pushed inwards through first guide slide and second guide slide respectively by second hydraulic oil cylinder and third hydraulic oil cylinder, the bottom of first clamping block and second clamping block is fixed to the installation shaft, the bearing seat is placed on the outside of installation shaft, the top of first clamping block and second clamping block is fixed to the bearing seat, when the needle bearing is installed, the bearing seat is displaced, and the needle bearing and bearing seat are collided and are broken.

[0019] The utility model discloses a first clamping block and second clamping block are pushed inwards through first guide slide and second guide slide respectively by second hydraulic oil cylinder and third hydraulic oil cylinder, the bottom of first clamping block and second clamping block is fixed to the installation shaft, the bearing seat is placed on the outside of installation shaft, the top of first clamping block and second clamping block is fixed to the bearing seat, when the needle bearing is installed, the bearing seat is displaced, and the needle bearing and bearing seat are collided and are broken. DRAWINGS

[0020] Figure 1 It is external structure schematic diagram of the utility model;

[0021] Figure 2 It is back structure schematic diagram of the utility model;

[0022] Figure 3 It is clamping block structure schematic diagram of the utility model;

[0023] Figure 4 It is fixed rod structure schematic diagram of the utility model;

[0024] Figure 5 It is bearing seat structure schematic diagram of the utility model.

[0025] In the drawing: 1, installation device main body;2, support chassis;3, temperature control screen;4, first mounting frame;5, second mounting frame;6, bearing heating rod;7, fixed rod;8, limit slot;9, oil storage cavity;10, cover plate;11, hose;12, hydraulic pump;13, third mounting frame;14, oil outlet spray head;15, drive motor;16, mounting rod;17, mounting plate;18, first hydraulic oil cylinder;19, press into block;20, fourth mounting frame;21, fifth mounting frame;22, second hydraulic oil cylinder;23, third hydraulic oil cylinder;24, first guide slide;25, second guide slide;26, first clamping block;27, second clamping block;28, bearing seat;29, installation shaft;30, needle bearing. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] As shown in Figures 1-5 A needle bearing mounting device, comprising a mounting device body 1, the bottom four corners of the mounting device body 1 are provided with a support chassis 2, and the front side of the mounting device body 1 is provided with a temperature control screen 3;

[0028] The top side of the mounting device body 1 is symmetrically provided with a first mounting frame 4 and a second mounting frame 5, the top end of the first mounting frame 4 is movably connected with a bearing heating rod 6, the top of the second mounting frame 5 is provided with a fixed rod 7, the bottom of the end of the bearing heating rod 6 away from the first mounting frame 4 is provided with a limiting groove 8 with a corresponding size at the position corresponding to the fixed rod 7, and the temperature control screen 3 is electrically connected with the bearing heating rod 6.

[0029] As shown in Figure 3 and Figure 5 Four mounting rods 16 are symmetrically mounted on the top of the mounting device body 1, the top of the mounting rod 16 is fixedly connected with a mounting plate 17, the top of the mounting plate 17 is fixedly connected with a first hydraulic oil cylinder 18 through bolts, and the bottom end of the first hydraulic oil cylinder 18 is provided with a pressing block 19;

[0030] The top of the mounting device body 1 is symmetrically provided with a fourth mounting frame 20 and a fifth mounting frame 21, one side of the fourth mounting frame 20 is provided with a second hydraulic oil cylinder 22 and a first guide sliding rod 24, one end of the second hydraulic oil cylinder 22 and the first guide sliding rod 24 is fixedly connected with the fourth mounting frame 20, and the end of the second hydraulic oil cylinder 22 and the first guide sliding rod 24 away from the fourth mounting frame 20 is fixedly connected with a first clamping block 26;

[0031] One side of the fifth mounting frame 21 is provided with a third hydraulic oil cylinder 23 and a second guide sliding rod 25, one end of the third hydraulic oil cylinder 23 and the second guide sliding rod 25 is fixedly connected with the fifth mounting frame 21, and the end of the third hydraulic oil cylinder 23 and the second guide sliding rod 25 away from the fifth mounting frame 21 is fixedly connected with a second clamping block 27;

[0032] The inner side of the first clamping block 26 and the second clamping block 27 is fixedly provided with a bearing seat 28, the inside of the bearing seat 28 is fixedly provided with a mounting shaft 29, the inner side of the top of the first clamping block 26 and the second clamping block 27 is attached to the outer side of the bearing seat 28, and the inner side of the bottom of the first clamping block 26 and the second clamping block 27 is attached to the outer side of the mounting shaft 29;

[0033] The outer side of the mounting shaft 29 is provided with a needle bearing 30, and the size of the needle bearing 30 is matched with the press-in block 19.

[0034] In this embodiment, the mounting shaft 29 is placed on the top of the mounting device body 1, the first clamping block 26 and the second clamping block 27 are respectively pushed by the second hydraulic cylinder 22 and the third hydraulic cylinder 23 to move inwardly guided by the first guide slide rod 24 and the second guide slide rod 25, the mounting shaft 29 is fixed by the bottom of the first clamping block 26 and the second clamping block 27, the bearing seat 28 is placed on the outer side of the mounting shaft 29, the bearing seat 28 is fixed by the top of the first clamping block 26 and the second clamping block 27, the needle bearing 30 is placed on the top of the bearing seat 28, the first hydraulic cylinder 18 is opened, the first hydraulic cylinder 18 pushes the press-in block 19 to move downwardly, and the press-in block 19 moves downwardly to press the needle bearing 30 into the inner side of the bearing seat 28.

[0035] As shown in Figure 1 and Figure 2 The inside of one side of the mounting device body 1 is provided with an oil storage cavity 9, the outer side of the oil storage cavity 9 is provided with a cover plate 10, the rear side of the mounting device body 1 is fixed with a hydraulic pump 12 through bolts, the bottom of the hydraulic pump 12 is communicated with the inside of the oil storage cavity 9 through a hose 11, and the top of the hydraulic pump 12 is fixedly connected with an oil outlet nozzle 14 through the hose 11.

[0036] The two sides of the oil outlet nozzle 14 are movably connected with a third mounting frame 13, the third mounting frame 13 is symmetrically fixed on the top of the mounting device body 1, and one side of the oil outlet nozzle 14 is fixedly connected with a driving motor 15 through a bearing.

[0037] In this embodiment, the inside of the oil storage cavity 9 is filled with butter by the cover plate 10, the butter in the oil storage cavity 9 is introduced into the inside of the oil outlet nozzle 14 by the hydraulic pump 12 through the hose 11, the butter is injected into the gap between the bearing seat 28 and the mounting shaft 29 by the oil outlet nozzle 14, the inside of the bearing is lubricated by the butter, and the needle bearing 30 is pressed in better.

[0038] In summary, the working principle is:

[0039] For such a needle bearing installation device, first, the mounting device body 1 is placed on the horizontal ground, the needle bearing 30 is placed on the bearing heating rod 6, the bearing heating rod 6 is fixed with the second mounting frame 5 through the limiting groove 8 formed in one end of the bearing heating rod 6, and the temperature of the bearing heating rod 6 is adjusted by the temperature control screen 3 to heat the needle bearing 30.

[0040] Second, the installation shaft 29 is placed on the top of the installation device body 1, the first clamping block 26 and the second clamping block 27 are respectively pushed by the second hydraulic oil cylinder 22 and the third hydraulic oil cylinder 23 to move inwards through the first guide slide rod 24 and the second guide slide rod 25, the installation shaft 29 is fixed through the bottom of the first clamping block 26 and the second clamping block 27, the bearing seat 28 is placed on the outside of the installation shaft 29, and the bearing seat 28 is fixed through the top of the first clamping block 26 and the second clamping block 27;

[0041] Then, the inside of the oil storage cavity 9 is filled with grease by the cover plate 10, the grease in the oil storage cavity 9 is introduced into the inside of the oil outlet nozzle 14 through the hose 11 by the hydraulic pump 12, the driving motor 15 is opened, the driving motor 15 drives the oil outlet nozzle 14 to rotate and adjust the angle, and the grease is injected into the gap between the bearing seat 28 and the installation shaft 29 through the oil outlet nozzle 14.

[0042] Finally, the heated needle roller bearing 30 is placed on the top of the bearing seat 28, the first hydraulic oil cylinder 18 is opened, the press-in block 19 is pushed downwards by the first hydraulic oil cylinder 18, and the needle roller bearing 30 is pressed into the inside of the bearing seat 28 by the downward movement of the press-in block 19.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A needle roller bearing mounting device, comprising a mounting device body (1), characterized in that, The four corners of the bottom of the main body (1) of the installation device are provided with support frames (2), and the front side of the main body (1) of the installation device is provided with a temperature control screen (3). The main body (1) of the mounting device is symmetrically provided with a first mounting bracket (4) and a second mounting bracket (5) on one side of the top. The top of the first mounting bracket (4) is movably connected to a bearing heating rod (6). The top of the second mounting bracket (5) is provided with a fixing rod (7). The bottom of the bearing heating rod (6) away from the first mounting bracket (4) is provided with a limiting groove (8) of the corresponding size corresponding to the position of the fixing rod (7). The temperature control screen (3) is electrically connected to the bearing heating rod (6).

2. The needle roller bearing mounting device according to claim 1, characterized in that: Four mounting rods (16) are symmetrically mounted on the top of the main body (1) of the mounting device. A mounting plate (17) is fixedly connected to the top of the mounting rods (16). A first hydraulic cylinder (18) is fixedly connected to the top of the mounting plate (17) by bolts. A pressing block (19) is provided at the bottom of the first hydraulic cylinder (18).

3. The needle roller bearing mounting device according to claim 1, characterized in that: The top of the main body (1) of the mounting device is symmetrically provided with a fourth mounting bracket (20) and a fifth mounting bracket (21). A second hydraulic cylinder (22) and a first guide slide rod (24) are provided on one side of the fourth mounting bracket (20). One end of the second hydraulic cylinder (22) and the first guide slide rod (24) are fixedly connected to the fourth mounting bracket (20). A first clamping block (26) is fixedly connected to the end of the second hydraulic cylinder (22) and the first guide slide rod (24) away from the fourth mounting bracket (20).

4. The needle roller bearing mounting device according to claim 3, characterized in that: A third hydraulic cylinder (23) and a second guide slide (25) are provided on one side of the fifth mounting bracket (21). One end of the third hydraulic cylinder (23) and the second guide slide (25) are fixedly connected to the fifth mounting bracket (21). A second clamping block (27) is fixedly connected to the end of the third hydraulic cylinder (23) and the second guide slide (25) away from the fifth mounting bracket (21).

5. The needle roller bearing mounting device according to claim 4, characterized in that: The first clamping block (26) and the second clamping block (27) are fixed with bearing seats (28) on their inner sides. The bearing seats (28) are fixed with mounting shafts (29) inside. The inner sides of the top of the first clamping block (26) and the second clamping block (27) are in contact with the outer side of the bearing seats (28). The inner sides of the bottom of the first clamping block (26) and the second clamping block (27) are in contact with the outer side of the mounting shafts (29).

6. The needle roller bearing mounting device according to claim 5, characterized in that: A needle roller bearing (30) is provided on the outer side of the mounting shaft (29), and the size of the needle roller bearing (30) is adapted to the press-in block (19).

7. The needle roller bearing mounting device according to claim 1, characterized in that: An oil storage chamber (9) is provided inside one side of the main body (1) of the installation device. A cover plate (10) is provided on the outside of the oil storage chamber (9). A hydraulic pump (12) is fixed to the rear side of the main body (1) of the installation device by bolts. The bottom of the hydraulic pump (12) is connected to the inside of the oil storage chamber (9) through a hose (11). An oil nozzle (14) is fixedly connected to the top of the hydraulic pump (12) through a hose (11).

8. A needle roller bearing mounting device according to claim 7, characterized in that: Both sides of the oil nozzle (14) are movably connected to the third mounting bracket (13). The third mounting bracket (13) is symmetrically fixed on the top of the main body (1) of the mounting device. One side of the oil nozzle (14) is fixedly connected to the drive motor (15) through a bearing.

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