CN219562939U

CN219562939U - Bearing sleeve auxiliary dismounting tool

Info

Publication number: CN219562939U
Application number: CN202320689938.3U
Authority: CN
Inventors: 匡继乾; 胡艳; 文玉川; 曾丹; 李红阳; 卓炜; 宛远涛; 李显松
Original assignee: Xiluodu Branch Of Three Gorges Ecological Environment Co ltd; Three Gorges Ecological Environment Co ltd
Current assignee: Xiluodu Branch Of Three Gorges Ecological Environment Co ltd; Three Gorges Ecological Environment Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-22
Anticipated expiration: 2033-03-31

Abstract

The utility model provides an auxiliary dismounting tool of bearing axle sleeve, includes the solid fixed ring, radial gliding installs four clamp blocks on the solid fixed ring, and the supporting seat is installed in the outside that is located clamp block to gu the outer periphery wall of solid fixed ring, and the screw rod has been connected soon to one side that gu fixed ring was kept away from to the supporting seat, and the screw rod is connected with clamp block spacing rotation, rotates thereby the radial slip of push-and-pull clamp block of screw rod, one side that the supporting seat is connected with the solid fixed ring is equipped with the notch, and the opposite side is equipped with the screw hole, and the screw rod connects soon at threaded hole. The clamping block is radially and slidably arranged on the fixed ring, the position of the clamping block can be adjusted through the screw rod, and one end of the clamping block, which is positioned in the fixed ring, is used for clamping the bearing or the shaft sleeve, so that the clamping block is simple and convenient to use. One side that supporting seat and solid fixed ring are connected is equipped with the notch, and the tight piece of clamp can be moved back in the notch with the one end that the screw rod is connected, has increased the accommodation of tight piece, can satisfy the dismantlement of different specification models axle sleeve or bearing.

Description

Bearing sleeve auxiliary dismounting tool

Technical Field

The utility model relates to the technical field of mechanical maintenance, in particular to an auxiliary dismounting tool for a bearing sleeve.

Background

When overhauling water pump equipment and spare part are changed, often need dismantle the axle sleeve, axle sleeve and axle adopt interference fit and clearance fit structure, in long-time operation in-process, the inside rust residue that has of axle sleeve for the axle sleeve dismantles work and carries out difficulty, and the axle sleeve surface is smooth without the slot, can't adopt the drawing horse extracting tool. The traditional treatment method comprises the following steps: the shaft sleeve is knocked out by a chisel after being heated to slightly expand the shaft sleeve, or the shaft sleeve is destructively removed by gas cutting, but in actual work, the shaft sleeve is often knocked by the chisel without enough space, and the pump shaft is easily damaged by the gas cutting. In order to solve the problem, the inventor designs and makes the auxiliary dismounting tool for the bearing sleeve independently, and can well solve the problems in the overhaul work in the actual work.

Disclosure of Invention

The utility model aims to solve the technical problems that: solves the problems existing in the prior art, and provides an auxiliary dismounting tool for a bearing shaft sleeve, which can conveniently dismount the bearing shaft sleeve and has the advantages of wide adjusting range and good universality.

In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides an auxiliary dismounting tool of bearing axle sleeve, includes the solid fixed ring, radial gliding installs at least three clamp block on the solid fixed ring, and the supporting seat is installed in the outside that is located the clamp block to gu the outer circumference wall of solid fixed ring, and the screw rod has been connected soon to one side that gu fixed ring was kept away from to the supporting seat, and the screw rod is connected with the spacing rotation of clamp block, rotates thereby the radial slip of push-and-pull clamp block of screw rod, one side that the supporting seat is connected with the solid fixed ring is equipped with the notch, and the opposite side is equipped with the screw hole, and the screw rod connects soon at the screw hole.

The fixed ring middle part is radial to be equipped with at least three slide hole, presss from both sides tight piece and installs in the slide hole respectively in the slip, and the outer periphery wall of fixed ring is being located smooth Kong Chuan and is equipped with the supporting seat, the screw hole aligns with the slide hole.

And the outer circumferential wall of the fixed ring is also provided with a limiting ring.

The two side surfaces of the limiting ring are concave arc surfaces.

The one end that presss from both sides tight piece and screw rod to be connected is equipped with the rotary groove, the rotary groove includes the mounting groove and is located the spacing groove of mounting groove upper end, and the width of spacing groove is less than the width of mounting groove, and the screw rod rotates spacing connection through rotary groove and tight piece, and the other end of pressing from both sides tight piece is equipped with bar tooth, bar tooth and solid fixed ring's terminal surface parallel arrangement.

One end of the clamping block, which is provided with the strip-shaped teeth, is provided with a positioning notch at one side or two sides, which are close to the end face of the fixed ring.

The screw rod one end is equipped with the spacing portion with press from both sides tight piece normal running fit, and the other end is equipped with the handle, and the handle middle part still is equipped with polygonal counter bore, spacing portion includes the neck and sets up the spacing dish of keeping away from handle one end at the neck, and the diameter of neck is less than the diameter of spacing dish, and when spacing portion and press from both sides tight piece cooperation, the neck pivoted is installed in the spacing inslot that presss from both sides tight piece, and the setting inslot at pressing from both sides tight piece is installed to the spacing dish.

And a locking nut is further arranged on the outer side of the supporting seat on the screw rod.

The utility model has the following beneficial effects:

1. the clamping block is radially and slidably arranged on the fixed ring, the position of the clamping block can be adjusted through the screw rod, and one end of the clamping block, which is positioned in the fixed ring, is used for clamping the bearing or the shaft sleeve, so that the clamping block is simple and convenient to use. One side that supporting seat and solid fixed ring are connected is equipped with the notch, and the tight piece of clamp can be moved back in the notch with the one end that the screw rod is connected, has increased the accommodation of tight piece, can satisfy the dismantlement of different specification models axle sleeve or bearing.

2. The clamping block is limited through the sliding hole, so that the clamping block can bear larger tensile force without deformation.

3. The outer circumferential wall of the fixed ring is also provided with a limiting ring, so that the puller is convenient to fix with the dismounting tool. The two side surfaces of the limiting ring are concave arc surfaces, so that the end part of the pull Ma Gazhao hooks the limiting ring and is not easy to slip.

4. The strip-shaped teeth are used for increasing the friction force between the clamping block and the outer surface of the shaft sleeve.

5. And a positioning notch is arranged, so that the clamping block is convenient to fix with the outer circle of the bearing.

6. The handle is arranged to facilitate screwing the screw rod conveniently by hand, the middle part of the handle is also provided with a polygonal counter bore, and the screw rod is convenient to screw by using an inner hexagonal wrench.

7. And a locking nut is further arranged on the outer side of the supporting seat on the screw rod to prevent the screw rod from loosening.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic perspective view of the present utility model.

Fig. 3 is a schematic perspective view of a fixing ring according to the present utility model.

Fig. 4 is a schematic perspective view of a clamping block according to the present utility model.

Fig. 5 is a schematic view of the screw rod of the present utility model.

Fig. 6 is a schematic view of the connection structure of the shaft sleeve and the shaft in operation.

In the figure: the clamping device comprises a fixed ring 1, a sliding hole 11, a clamping block 2, a placement groove 21, a limit groove 22, a positioning notch 23, strip-shaped teeth 24, a screw rod 3, a handle 31, a counter bore 32, a neck 33, a limit disc 34, a supporting seat 4, a notch 41, a threaded hole 42, a locking nut 5 and a limit ring 6.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1-5, an auxiliary dismounting tool for a bearing shaft sleeve comprises a fixed ring 1, four clamping blocks 2 are radially slidably arranged on the fixed ring 1, a supporting seat 4 is arranged on the outer circumferential wall of the fixed ring 1 and located on the outer side of the clamping blocks 2, a screw 3 is rotatably connected to one side, far away from the fixed ring 1, of the supporting seat 4, the screw 3 is in limiting rotation connection with the clamping blocks 2, the screw 3 is rotated so as to push and pull the clamping blocks 2 to radially slide, a notch 41 is formed in one side, connected with the fixed ring 1, of the supporting seat 4, a threaded hole 42 is formed in the other side, and the screw 3 is rotatably connected in the threaded hole 42. The clamping block 2 is radially and slidably arranged on the fixed ring 1, the position of the clamping block 2 can be adjusted through the screw 3, and one end of the clamping block 2, which is positioned in the fixed ring 1, is used for clamping a bearing or a shaft sleeve, and the use is simple and convenient. One side that supporting seat 4 and solid fixed ring 1 are connected is equipped with notch 41, and the one end that clamping piece 2 and screw rod 3 are connected can be moved back in notch 41, has increased clamping piece 2's accommodation, can satisfy the dismantlement of different specification model axle sleeve or bearing.

When in use, the fixed ring 1 is sleeved on the shaft sleeve to be disassembled, the screw 3 is rotated, the front end of the clamping block 2 is tightly abutted against the shaft sleeve, and then the fixed ring 1 is fixed by adopting a common pulling horse, so that the shaft sleeve is taken down from the shaft.

Specifically, referring to fig. 3, the middle part of the fixing ring 1 is radially provided with at least four sliding holes 11, the clamping blocks 2 are respectively slidably mounted in the sliding holes 11, the outer circumferential wall of the fixing ring 1 is provided with the supporting seat 4 at the position located in the sliding hole 11, and the threaded holes 42 are aligned with the sliding holes 11. The clamping block 2 is limited by the sliding hole 11, so that the clamping block 2 can bear larger pulling force without deformation. Further, the clamping block 2 is a rectangular block, and the width of the stressed side is larger than that of the other two sides, so that the structural strength of the clamping block 2 is improved.

In order to facilitate the fixation of the puller and the dismounting tool, the outer circumferential wall of the fixing ring 1 is also provided with a limiting ring 6, and the ends of the three clamping jaws of the puller are respectively hooked on the limiting ring 6.

Further, the two side surfaces of the limiting ring 6 are concave arc surfaces, so that the end part of the pull Ma Gazhao hooks the limiting ring 6 and is not easy to slip.

Specifically, referring to fig. 4, one end of the clamping block 2 connected with the screw 3 is provided with a rotary groove, the rotary groove comprises a mounting groove 21 and a limiting groove 22 positioned at the upper end of the mounting groove 21, the width of the limiting groove 22 is smaller than that of the mounting groove 21, the screw 3 is in rotary limiting connection with the clamping block 2 through the rotary groove, the other end of the clamping block 2 is provided with a strip-shaped tooth 24, and the strip-shaped tooth 24 is arranged in parallel with the end face of the fixed ring 1. The bar-shaped teeth 24 are provided for increasing the friction of the clamping block 2 with the outer surface of the sleeve.

Referring to fig. 4, the clamping block 2 is provided with one end of a bar-shaped tooth 24, and one or both sides near the end face of the fixing ring 1 are provided with positioning notches 23. The positioning notch 23 is arranged, so that the clamping block 2 is convenient to fix with the outer circle of the bearing, and the bar-shaped teeth 24 cannot provide enough friction force because of high hardness of the bearing. When the bearing is used, the screw rod 3 is rotated, the clamping block 2 is adjusted, the positioning notch 23 is clamped on the outer ring of the bearing, and the fixing ring 1 is pulled by the puller, so that the bearing is conveniently taken out.

Referring to fig. 5, one end of the screw 3 is provided with a limit part in rotary fit with the clamping block 2, the other end of the screw is provided with a handle 31, the middle part of the handle 31 is further provided with a polygonal counter bore 32, the limit part comprises a neck 33 and a limit disc 34 arranged at one end of the neck 33 far away from the handle 31, the diameter of the neck 33 is smaller than that of the limit disc 34, when the limit part is matched with the clamping block 2, the neck 33 is rotatably arranged in the limit groove 22 of the clamping block 2, and the limit disc 34 is arranged in the arrangement groove 21 of the clamping block 2. The handle 31 is arranged to facilitate screwing the screw 3 conveniently by hand, the polygonal counter bore 32 is also arranged in the middle of the handle 31, and the counter bore 32 is generally hexagonal and is convenient to screw by using an internal hexagonal wrench.

To prevent loosening of the screw, see fig. 2, a lock nut 5 is also mounted on the screw 3 outside the support seat 4. Preferably, the locking nut 5 is a butterfly nut, which is convenient for manual tightening.

The working process or principle of the utility model:

referring to fig. 6, a schematic view of the connection of the sleeve to the shaft is shown, where a conventional tool cannot effectively fix the sleeve. When the shaft sleeve needs to be disassembled, the fixing ring 1 is sleeved on the shaft sleeve to be disassembled, the screw 3 is rotated, the strip-shaped teeth 24 at the front end of the clamping block 2 are tightly abutted against and embedded into the shaft sleeve, and then the fixing ring 1 is fixed by adopting a common pulling horse, so that the shaft sleeve is taken down from the shaft.

When the bearing is disassembled, the fixing ring 1 is sleeved on the shaft sleeve to be disassembled, the screw rod 3 is rotated, the clamping block 2 is adjusted, the positioning notch 23 is clamped on the outer ring of the bearing, and the fixing ring 1 is pulled by the puller, so that the bearing is conveniently taken out.

Claims

1. The utility model provides an auxiliary dismounting tool of bearing axle sleeve which characterized in that: including solid fixed ring (1), radial gliding installs at least three clamp block (2) on solid fixed ring (1), and supporting seat (4) are installed in the outside that is located clamp block (2) to the outer periphery wall of solid fixed ring (1), and screw rod (3) have been soon been connect to one side that solid fixed ring (1) was kept away from to supporting seat (4), and screw rod (3) are connected with spacing rotation of clamp block (2), rotate thereby screw rod (3) push-and-pull clamp block (2) radial slip, one side that supporting seat (4) are connected with solid fixed ring (1) is equipped with notch (41), and the opposite side is equipped with screw hole (42), and screw rod (3) are soon connected in screw hole (42).

2. The auxiliary bearing sleeve removing tool according to claim 1, wherein: the fixed ring (1) middle part is radial to be equipped with at least three slide hole (11), and clamping piece (2) are respectively slidable and are installed in slide hole (11), and the outer circumference wall of fixed ring (1) is located slide hole (11) department and install supporting seat (4), screw hole (42) are aligned with slide hole (11).

3. An auxiliary bearing sleeve removing tool according to claim 1 or 2, wherein: the outer circumferential wall of the fixed ring (1) is also provided with a limiting ring (6).

4. A bearing sleeve auxiliary disassembly tool according to claim 3, wherein: both side surfaces of the limiting ring (6) are concave arc surfaces.

5. The auxiliary bearing sleeve removing tool according to claim 1, wherein: the one end that presss from both sides tight piece (2) and screw rod (3) are connected is equipped with the rotary groove, the rotary groove includes mounting groove (21) and is located spacing groove (22) of mounting groove (21) upper end, and the width of spacing groove (22) is less than the width of mounting groove (21), and screw rod (3) rotate spacing being connected through rotary groove and tight piece (2), and the other end of tight piece (2) is equipped with bar tooth (24), and the terminal surface parallel arrangement of bar tooth (24) and solid fixed ring (1).

6. The auxiliary bearing sleeve removing tool according to claim 5, wherein: one end of the clamping block (2) provided with a strip-shaped tooth (24) is provided with a positioning notch (23) at one side or two sides close to the end face of the fixed ring (1).

7. The auxiliary bearing sleeve removing tool according to claim 1, wherein: screw rod (3) one end be equipped with clamp block (2) normal running fit's spacing portion, the other end is equipped with handle (31), handle (31) middle part still is equipped with polygonal counter bore (32), spacing portion includes neck (33) and sets up spacing dish (34) of keeping away from handle (31) one end at neck (33), and the diameter of neck (33) is less than the diameter of spacing dish (34), and when spacing portion and clamp block (2) joined in marriage, neck (33) pivoted installs in clamp block (2) spacing groove (22), and spacing dish (34) are installed in clamp block (2) standing groove (21).

8. The auxiliary bearing sleeve removing tool according to claim 1, wherein: and a locking nut (5) is further arranged on the screw (3) and positioned on the outer side of the supporting seat (4).