Bearing seat capable of adjusting axial clearance of bearing

Abstract

The utility model relates to the technical field of bearing seats, and discloses a bearing seat capable of adjusting the axial clearance of a bearing, which comprises a main shaft, the two ends of the main shaft are sleeved with bearing seats, the inner surface of one end of each bearing seat is embedded with a bearing body, and the bearing bodies are sleeved on the outer walls of the two ends of each bearing seat. A fastening shaft sleeve is fixed to the connecting position of the main shaft and the bearing body, internal threads are formed in the inner surface of the other end of the bearing seat, a fastening spiral ring is connected to the inner side of the bearing seat through the internal threads, and external threads are annularly arranged on the outer surface of the fastening spiral ring. The bearing seat capable of adjusting the axial clearance of the bearing is provided with the open groove, through the tightening and fixing effects of the locking bolt and the locking nut, the pitch change of the external thread of the fastening spiral ring is achieved, so that the applicability of the fixing effect of the fastening spiral ring in the bearing seat is better, and through the screwing-in depth of the fastening spiral ring, the axial clearance of the bearing can be adjusted. And the effect of controlling and adjusting the production error of the axial clearance of the bearing can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing seat technical field, concretely is a bearing seat of adjustable bearing axial gap. BACKGROUND

[0002] Bearing seat is a kind of device for supporting and fixing bearing, usually used in mechanical equipment, so that bearing can bear various loads, and ensure the stable operation of equipment.In large axle double-end bearing large-scale mechanical equipment such as mine double eccentric shaft linear feeder, bearing axial gap needs to be adjusted during the assembly process of feeder excitation rotor, to avoid assembly error.

[0003] The size of the longer distance between the two bearing positions of large-scale mechanical equipment on the market is more difficult to control, and the error caused by poor size control will lead to bearing axial movement, and after a period of use, bearing heating and wear are prone to occur, and in severe cases, bearing is damaged, therefore, we provide a bearing seat with adjustable bearing axial gap. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a bearing seat with adjustable bearing axial gap to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a bearing seat with adjustable bearing axial gap, comprising:

[0006] Main shaft, the both ends of the main shaft are provided with bearing seat, the inner surface of one end of the bearing seat is embedded with bearing body, and the bearing body is provided with bearing seat on the outer wall of both ends, the connecting part of the main shaft and the bearing body is fixed with fastening sleeve, the inner surface of the other end of the bearing seat is provided with internal thread, and the inner side of the bearing seat is connected with fastening spiral ring through internal thread, and the outer surface of the fastening spiral ring is provided with external thread;

[0007] Slot, which is provided in the inner side surface of the fastening spiral ring, the outer wall of both ends of the fastening spiral ring is provided with screw hole, the inner side of the screw hole is provided with locking bolt, the other end of the locking bolt is provided with locking nut, and the locking nut is embedded on the outer surface of the fastening spiral ring close to the bearing body side, and the outer wall of both sides of the fastening spiral ring is provided with insertion hole.

[0008] Further, the bearing seat and the bearing body are symmetrically arranged about the central axis of the main shaft, and the bearing seat is rotatably connected between the bearing body and the main shaft.

[0009] Further, the external thread and the internal thread are matched with each other, and the fastening spiral ring is threadedly connected with the bearing seat through the external thread and the internal thread.

[0010] Further, the slot is symmetrically arranged relative to the middle axis of the fastening spiral, and the screw hole penetrates the inner wall of both sides of the slot, and the slot and the fastening spiral form an extension structure through the locking bolt and the locking nut.

[0011] Further, the inside of the insertion hole is provided with a measuring rod, one end of the measuring rod is fixed with a handle, the outer wall of the measuring rod is provided with a scale, and the outer wall of the end of the measuring rod away from the handle is fixed with an arc-shaped limiting block.

[0012] Further, the limiting block is symmetrically arranged relative to the middle axis of the measuring rod, and the measuring rod and the insertion hole form an extension connection through the handle and the limiting block, and the insertion hole is symmetrically arranged relative to the middle axis of the fastening spiral.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The bearing seat capable of adjusting the bearing axial gap is provided with a slot, the pitch of the external thread of the fastening spiral is changed through the tightening and fixing effect of the locking bolt and the locking nut, so that the applicability of the fixing effect of the fastening spiral in the bearing seat is better, and the production error of the bearing axial gap can be controlled and adjusted through the screwing depth of the fastening spiral. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a combined installation state front view structural schematic drawing of the utility model;

[0016] Figure 2 It is a bearing seat part sectional view enlarged structural schematic drawing of the utility model;

[0017] Figure 3 It is a fastening spiral part enlarged disassembled state structural schematic drawing of the utility model;

[0018] Figure 4 It is a measuring rod part enlarged structural schematic drawing of the utility model.

[0019] In the drawing: 1, main shaft; 2, bearing seat; 3, bearing body; 4, fastening shaft sleeve; 5, internal thread; 6, fastening spiral; 7, external thread; 8, slot; 9, screw hole; 10, locking bolt; 11, locking nut; 12, insertion hole; 13, measuring rod; 14, handle; 15, scale; 16, limiting block. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a 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 protection of the present application.

[0021] The utility model discloses an adjustable bearing axial gap bearing seat improves in here provides a kind of, please refer to Figures 1-3 Including: main shaft 1, the both ends of main shaft 1 are equipped with bearing seat 2, the inner surface of one end of bearing seat 2 is embedded with bearing body 3, and bearing body 3 is equipped in the outer wall of both ends of bearing seat 2, bearing seat 2 and bearing body 3 are symmetrically arranged about the central axis position of main shaft 1, and bearing seat 2 is rotatably connected between bearing body 3 and main shaft 1, the junction of main shaft 1 and bearing body 3 is fixed with fastening shaft sleeve 4, the inner surface of the other end of bearing seat 2 is provided with internal thread 5, the inner side of bearing seat 2 is connected with fastening spiral ring 6 by internal thread 5, the outer surface of fastening spiral ring 6 is provided with external thread 7, external thread 7 and internal thread 5 are matched with each other, and fastening spiral ring 6 is threadedly connected between external thread 7 and internal thread 5, the inner side surface of fastening spiral ring 6 is provided with slot 8, slot 8 is symmetrically arranged about the central axis position of fastening spiral ring 6, and screw hole 9 penetrates to the inner wall of both sides of slot 8, the outer wall of both ends of fastening spiral ring 6 is provided with screw hole 9, lock bolt 10 is arranged in the inner side of screw hole 9, lock nut 11 is equipped on the other end of lock bolt 10, and lock nut 11 is embedded on the outer surface of fastening spiral ring 6 on the side close to bearing body 3, and slot 8 is telescopically connected between fastening spiral ring 6 by lock bolt 10 and lock nut 11, the pitch change of external thread 7 of fastening spiral ring 6 is realized by the tightening fixing action of the slot 8 arranged by lock bolt 10 and lock nut 11, so that the applicability of the fixing effect of fastening spiral ring 6 in bearing seat 2 is better, and the rotation depth of fastening spiral ring 6 can play the role of controlling and adjusting bearing axial gap production error.

[0022] Please refer to Figures 3-4The bearing seat with adjustable bearing axial gap comprises two outer walls on both sides of a fastening spiral 6, and a bushing 12 is arranged on the outer wall, and the bushing 12 is symmetrically arranged about the central axis of the fastening spiral 6, so that the staff can measure the screwing depth at multiple positions on the fastening spiral 6, thereby reducing the position error of the bearing seat 2 and the bearing body 3 after adjustment; a measuring rod 13 is arranged on the inner side of the bushing 12, one end of the measuring rod 13 is fixed with a handle 14, the outer wall of the measuring rod 13 is provided with a scale 15, the outer wall of the end of the measuring rod 13 away from the handle 14 is fixed with an arc-shaped limiting block 16, the limiting block 16 is symmetrically arranged about the central axis of the measuring rod 13, and the measuring rod 13 is connected with the bushing 12 through the handle 14 and the limiting block 16, the limiting block 16 is used for limiting the insertion direction of the measuring rod 13, preventing the measuring rod 13 from being inclined after being inserted to affect the reading, and the measuring rod 13 is arranged to abut against the bearing body 3 in the bushing 12, so that the staff can judge the adjustment degree of the bearing body 3 in the bearing seat 2 through the reading of the scale 15, thereby facilitating the staff to adjust the bearing seat 2.

[0023] Working principle: for the bearing seat with adjustable bearing axial gap, firstly, the bearing body 3 installed in the bearing seat 2 is installed at both ends of the main shaft 1 through the fastening shaft sleeve 4, so that the main shaft 1 can rotate in the inner side of the bearing body 3, after the bearing body 3 is installed in the bearing seat 2, the bearing body 3 is easy to cause the bearing axial gap to be too large or too small due to the error generated in the production and assembly process, which causes the bearing to be locked or to move, the fastening spiral 6 for adjusting the axial gap is installed on the outer side of the bearing seat 2 through the internal thread 5 and the external thread 7, the error generated in the installation or machining process of the bearing body 3 can be corrected through the adjustment of the fastening spiral 6, then the fastening spiral 6 is tightened in the screw hole 9 through the locking bolt 10 and the locking nut 11, the tightness of the slot 8 is adjusted, and the pitch of the external thread 7 is adjusted, so that the fastening spiral 6 is better in stability when being screwed into the bearing seat 2, and the screwing depth can be detected through the insertion of the measuring rod 13 in the bushing 12, finally, when the measuring rod 13 is inserted into the bushing 12, the limiting block 16 prevents the measuring rod 13 from shaking in the bushing 12, the data measured by the measuring rod 13 is more stable and accurate, and the staff can more accurately read the scale 15 when holding the handle 14 to operate.

[0024] 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 these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bearing stand for adjusting the axial gap of a bearing, characterized in that Include: The main shaft (1), both ends of the main shaft (1) are sleeved with bearing seat (2), the inner surface of one end of the bearing seat (2) is embedded with bearing body (3), and the bearing body (3) is sleeved on the outer wall of both ends of the bearing seat (2), the connecting part of the main shaft (1) and the bearing body (3) is fixed with the fastening sleeve (4), the inner surface of the other end of the bearing seat (2) is provided with internal thread (5), the inner side of the bearing seat (2) is connected with the fastening spiral ring (6) through the internal thread (5), the outer surface of the fastening spiral ring (6) is provided with external thread (7); The slot (8) is provided in the inner surface of the fastening spiral ring (6), the outer wall of both ends of the fastening spiral ring (6) is provided with screw hole (9), the inner side of the screw hole (9) is provided with locking bolt (10), the other end of the locking bolt (10) is sleeved with locking nut (11), and the locking nut (11) is embedded in the outer surface of the fastening spiral ring (6) close to the bearing body (3), the outer wall of both sides of the fastening spiral ring (6) is provided with insertion hole (12).

2. A bearing housing for adjustable bearing axial clearance as claimed in claim 1, wherein: The bearing seat (2) and the bearing body (3) are symmetrically arranged about the central axis of the main shaft (1), and the bearing seat (2) is rotatably connected between the bearing body (3) and the main shaft (1).

3. A bearing housing for adjusting the axial gap of a bearing according to claim 1, characterized in that: The external thread (7) and the internal thread (5) are matched with each other, and the fastening spiral ring (6) is threadedly connected between the external thread (7) and the internal thread (5) and the bearing seat (2).

4. A bearing housing for adjusting the axial gap of a bearing according to claim 1, characterized in that: The slot (8) is symmetrically arranged about the central axis of the fastening spiral ring (6), the screw hole (9) penetrates to the inner wall of both sides of the slot (8), and the slot (8) is telescopic between the fastening spiral ring (6) and the locking bolt (10) and the locking nut (11).

5. A bearing housing for adjustable bearing axial clearance as claimed in claim 1, wherein: The inner side of the insertion hole (12) is provided with a measuring rod (13), one end of the measuring rod (13) is fixed with a handle (14), the outer wall of the measuring rod (13) is provided with a scale (15), and the outer wall of the end of the measuring rod (13) away from the handle (14) is fixed with an arc-shaped limiting block (16).

6. A bearing housing for adjustable bearing axial clearance as claimed in claim 5, characterised in that: The limiting block (16) is symmetrically arranged about the central axis of the measuring rod (13), the measuring rod (13) is telescopically connected between the handle (14) and the limiting block (16) and the insertion hole (12), and the insertion hole (12) is symmetrically arranged about the central axis of the fastening spiral ring (6).

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