CN213471028U - Self-adaptive puller for conical bearings with different specifications - Google Patents

Abstract

The utility model discloses a self-adaptive puller for conical bearings with different specifications, which comprises a supporting seat and at least two pulling claws which are of symmetrical structures and are arranged at the bottom of the supporting seat through pivots, wherein the supporting seat is provided with a driving component for driving the pulling claws to open, compress or close to release the outer ring of the conical bearing; the top of the driving component is provided with a driving rod in threaded connection with the driving component, the driving rod is provided with a support capable of moving up and down along the central axis of the driving rod, and the support is provided with a pressing piece capable of pressing the gearbox shell. The beneficial effects of the utility model are mainly embodied in that: the bearing can be accurately positioned, and the inner ring and the outer ring of the conical bearing are prevented from moving axially and radially when being separated, so that a user can adjust the position of the pull claw conveniently, and the pull claw is more easily connected with the conical bearing in a pulling manner.

Description

Self-adaptive puller for conical bearings with different specifications

Technical Field

The utility model relates to a mechanical maintenance instrument technical field particularly, especially relates to a different specification conical bearing of self-adaptation draws horse.

Background

At present, the puller is not only suitable for railway vehicle maintenance, mechanical installation, mine maintenance, support of building engineering and lifting and descending of general weights, but also can be used for disassembling round workpieces such as belt pulleys, gears, bearings and the like in various mechanical equipment. The structure of a puller used for disassembling round parts such as a bearing and the like in mechanical maintenance is generally as shown in fig. 1: comprises a bracket, a mandril arranged on the bracket, a puller arm connected with the bracket and a pulling claw connected with the puller arm. The two ends of the puller arm are respectively connected with the bracket and the pulling claw through the comparison shaft, and the pulling claw is of an arc structure. When the puller is used, in the process that the puller grabs a workpiece on the shaft, the puller generates linkage motion in the axial direction and the radial direction, an operator hardly grasps the hooking position of the puller, and the arc-shaped puller is easy to unhook from the circular workpiece. In addition, the moving space required by the puller in the process of gripping the workpiece on the shaft is large, and the puller is inconvenient for disassembling the round workpiece arranged on the small-space shaft.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art existence, provide a self-adaptation different specification conical bearing draw horse.

The purpose of the utility model is realized through the following technical scheme:

a puller adaptive to conical bearings of different specifications comprises a supporting seat and at least two pulling claws which are of symmetrical structures and are arranged at the bottom of the supporting seat in a pivot mode, wherein a driving assembly used for driving the pulling claws to open, press or close and release an outer ring of the conical bearing is arranged on the supporting seat; the top of the driving component is provided with a driving rod in threaded connection with the driving component, the driving rod is provided with a support capable of moving up and down along the central axis of the driving rod, and the support is provided with a pressing piece capable of pressing on the gearbox shell matched with the outer ring of the conical bearing.

Preferably, the pulling claw comprises a body and an arc-shaped extension part arranged at the bottom of the body, and the extension part can be clung to the bottom surface of the outer ring of the conical bearing.

Preferably, a lifting lug is fixedly arranged at the top of each pulling claw, and a through hole is formed in each lifting lug; the bottom of the supporting seat is fixedly provided with a hanging lug, the hanging lug is provided with a through hole, and a locking bolt penetrates through the through hole and the through hole to connect the pull claw with the supporting seat pivot.

Preferably, the supporting seat is provided with three pulling claws, and the included angle formed by the extension lines of the central axes of the adjacent pulling claws is 120 degrees.

Preferably, the driving assembly comprises a screw rod in threaded connection with the supporting seat, a vernier in threaded connection with the screw rod is fixedly arranged at the bottom of the screw rod, a sliding block matched with the pulling claw is arranged on the vernier, and the side face of the sliding block is an inclined plane.

Preferably, the pressing member includes support rods disposed at two ends of the bracket, one end of each support rod is fixed to the bracket through a nut, and the other end of each support rod is fixedly provided with a pressing block capable of being pressed against the transmission housing.

The beneficial effects of the utility model are mainly embodied in that:

1. the bearing can be accurately positioned, and the axial and radial movement of the inner ring and the outer ring of the conical bearing when the inner ring and the outer ring are separated is avoided, so that a user can conveniently adjust the position of the pull claw, and the pull claw is more easily connected with the conical bearing in a pulling way;

2. the opening degree of the pulling claw can be freely adjusted, so that the device can be self-adaptive to the separation of bevel gears with different specifications and has wide applicability. Meanwhile, the cost of the disassembling tool is saved, and the expenditure of enterprise cost is reduced;

3. the middle pull claw, the screw rod, the vernier, the outer sleeve, the support rod and the like can be easily disassembled and assembled, the operation is convenient, and the working efficiency is greatly improved;

4. the utility model discloses structural strength is high, and long service life is the essential practical tool of gearbox manufacturing enterprise.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1: the structure schematic diagram of a puller in the prior art;

FIG. 2: the front view of the preferred embodiment of the present invention;

FIG. 3: the front view of the pulling claw in the preferred embodiment of the utility model;

FIG. 4: the top view of the vernier in the preferred embodiment of the utility model;

FIG. 5: the utility model discloses the perspective view of the supporting seat in the preferred embodiment;

FIG. 6: the utility model discloses the structural schematic of screw rod in the preferred embodiment.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 2 to 6, the utility model discloses a different specification conical bearing's of self-adaptation horse that draws should draw the horse to be applied to conical bearing, and it includes that supporting seat 1 and at least two are symmetrical structure and set up draw claw 2 of supporting seat 1 bottom, draw claw 2 to include body 21 and set up the arc extension 22 of body 21 bottom, extension 22 can with conical bearing outer lane's bottom surface is hugged closely, extension 22 mutually supports and to fix a position conical bearing's inner circle accurately, avoids when knocking over conical bearing takes place axial skew to the position that claw was drawn in the adjustment of person of facilitating the use, the messenger draws the claw to change and draws with conical bearing and connect.

In this preferred embodiment, the supporting seat 1 is provided with three pulling claws 2, and an included angle formed by extension lines of central axes of the adjacent pulling claws 2 is 120 °. Certainly, also do to be the claw 2 that draws of other quantity on the supporting seat 1, can do corresponding adjustment according to actual conditions, all belong to the utility model discloses a protection category. In the above, a lifting lug 23 is fixedly arranged at the top of each pulling claw 2, and a through hole 24 is formed in each lifting lug 23. The bottom of the supporting seat 1 is fixedly provided with a hanging lug 11, the hanging lug is provided with a through hole, and a locking bolt 12 penetrates through the through hole 24 and the through hole to connect the pull claw 2 with the supporting seat 1 in a pivot way.

The bevel gear clamping device is characterized in that a driving component 3 used for driving the pulling claw 2 to open, compress or close and release the outer ring of the bevel bearing is arranged on the supporting seat 1, the driving component 3 comprises a screw rod 31 in threaded connection with the supporting seat 1, a cursor 32 in threaded connection with the screw rod 31 is fixedly arranged at the bottom of the screw rod 31, a sliding block 33 matched with the pulling claw 2 is arranged on the cursor 32, side faces 34 of the sliding block 33 are inclined planes, and the sliding block 33 rotates to drive the pulling claw to open or close so as to clamp or release the bevel bearing, so that the bevel bearing is self-adaptive to separation of bevel gears of different specifications, and the bevel gear clamping device has wide applicability. Meanwhile, the cost of the disassembling tool is saved, and the expenditure of enterprise cost is reduced.

The top of drive assembly 3 is equipped with rather than the actuating lever 4 of spiro union, be equipped with a support 5 that can follow its axis and reciprocate on the actuating lever 4, be equipped with on the support 5 can press in with conical bearing outer lane matched with press 6 on the gearbox casing press 6 is including setting up the bracing piece 61 at support 5 both ends, the one end of bracing piece 61 is passed through the nut 62 and is fixed on the support 5, set firmly on the other end can press in the press block 63 of gearbox casing. The structure is simple and exquisite, the dismounting and the mounting can be easily carried out, the operation is convenient, and the working efficiency is greatly improved. Simultaneously, this puller structural strength is high, and long service life is the essential practical tool of gearbox manufacturing enterprise.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (6)

1. Self-adaptation different specification conical bearing's puller, its characterized in that: the conical bearing comprises a supporting seat (1) and at least two pull claws (2) which are of symmetrical structures and are arranged at the bottom of the supporting seat (1) through pivots, wherein a driving assembly (3) for driving the pull claws (2) to open, compress or close and release an outer ring of the conical bearing is arranged on the supporting seat (1); the top of drive assembly (3) is equipped with actuating lever (4) rather than the spiro union, be equipped with on actuating lever (4) and follow support (5) that its axis reciprocated, be equipped with on support (5) can press in with conical bearing outer lane matched with pressing piece (6) on the gearbox housing.

2. The puller for self-adapting conical bearings with different specifications as recited in claim 1, wherein: the pull claw (2) comprises a body (21) and an arc-shaped extension part (22) arranged at the bottom of the body (21), and the extension part (22) can be clung to the bottom surface of the outer ring of the conical bearing.

3. The puller for self-adapting conical bearings with different specifications as recited in claim 2, wherein: a lifting lug (23) is fixedly arranged at the top of each pulling claw (2), and a through hole (24) is formed in each lifting lug (23); the bottom of the supporting seat (1) is fixedly provided with a hanging lug (11), the hanging lug is provided with a through hole, and a locking bolt (12) penetrates through the through hole (24) and the through hole to connect the pull claw (2) with the supporting seat (1) through a pivot.

4. The puller for self-adapting conical bearings with different specifications as recited in claim 3, wherein: the supporting seat (1) is provided with three pulling claws (2), and adjacent included angles formed by extension lines of central axes of the pulling claws (2) are 120 degrees.

5. The puller for self-adapting conical bearings with different specifications as recited in claim 1, wherein: the driving assembly (3) comprises a screw rod (31) in threaded connection with the supporting seat (1), a vernier (32) in threaded connection with the screw rod (31) is fixedly arranged at the bottom of the screw rod (31), a sliding block (33) matched with the pulling claw (2) is arranged on the vernier (32), and the side face (34) of the sliding block (33) is an inclined face.

6. The puller for self-adapting conical bearings with different specifications as recited in claim 1, wherein: the pressing piece (6) comprises supporting rods (61) arranged at two ends of the support (5), one end of each supporting rod (61) is fixed on the support (5) through a nut (62), and a pressing block (63) capable of being pressed on the gearbox shell is fixedly arranged at the other end of each supporting rod.

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