CN215433470U

CN215433470U - Adjustable disassembling tool special for bearing and small coupler

Info

Publication number: CN215433470U
Application number: CN202120563503.5U
Authority: CN
Inventors: 李汉华; 王海高; 马洪文; 王熙峰; 高安东
Original assignee: Rizhao Steel Holding Group Co Ltd
Current assignee: Rizhao Steel Holding Group Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2022-01-07
Anticipated expiration: 2031-03-18

Abstract

The utility model designs an adjustable disassembling tool special for a bearing and a small coupler, which comprises a fixing frame, wherein one end of the bottom surface of the fixing frame is provided with a matching plate fixing part, two sides of the matching plate fixing part are provided with long arm fixing parts, the long arm fixing parts are perpendicular to the matching plate fixing parts, the upper surface and the lower surface of each long arm fixing part are respectively provided with a long arm fixing groove, one end, close to the matching plate fixing part, of the bottom of each long arm fixing groove is provided with at least two small fixing grooves, a movable long arm is further placed in each long arm fixing groove, one end, close to the matching plate fixing part, of each movable long arm is provided with a long arm hook head, each long arm hook head is located in the corresponding small fixing groove, the other end of each movable long arm is hinged with a bottom plate, and the bottom plate and the fixing frame form a working groove. The tool has the advantages that the size of the working groove can be flexibly adjusted, so that the whole tool is suitable for jacks with more specifications, and the disassembly time is saved.

Description

Adjustable disassembling tool special for bearing and small coupler

Technical Field

The utility model belongs to the field of maintenance of a coupler and a bearing in small mechanical equipment, and particularly relates to an adjustable disassembling tool special for a bearing and a small coupler.

Background

After small mechanical equipment in the area in front of iron in an iron works for a period of time, a coupler and a bearing on the equipment are damaged, so that workers need to disassemble and maintain the coupler and the bearing on the equipment regularly. Conventionally, when a small coupler or a bearing is removed from a machine, the coupler or the bearing is generally pushed out by a tool such as a triangular puller or a jack.

However, in actual operation, the specifications and the volumes of the required jacks are different due to different clamping forces between couplings or bearings with different specifications and shafts. In the existing coupler disassembling tool, a support for fixing a jack is in a fixed size and shape, and the coupler disassembling tool cannot be suitable for jacks with multiple specifications, so that the coupler and bearing range suitable for the disassembling tool is reduced. In the process of disassembling the coupler and the bearing, once the tonnage or jacking distance of the specification of the used jack is found to be not satisfactory, the whole disassembling tool needs to be replaced, and the working time for disassembling is greatly increased.

Disclosure of Invention

The utility model aims to provide and design an adjustable disassembling tool special for a bearing and a small coupler aiming at the defect that a coupler disassembling tool in the prior art cannot be suitable for jacks with various specifications, and the adjustable disassembling tool can be used for installing jacks with various specifications, so that the adjustable disassembling tool can be suitable for small couplers and bearings with various sizes.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dedicated adjustable frock of dismantling of bearing, miniature shaft coupling, includes the mount, the one end of mount bottom surface is provided with matching board fixed part, the both sides of matching board fixed part are provided with the long arm fixed part, just the long arm fixed part is perpendicular with matching board fixed part, the upper surface and the lower surface of long arm fixed part all are provided with the long arm fixed slot, the one end that the long arm fixed slot tank bottom is close to matching board fixed part is provided with two at least little fixed slots, the activity long arm has still been placed in the long arm fixed slot, the one end that the activity long arm is close to matching board fixed part is provided with the long arm gib head, the long arm gib head is located and corresponds little fixed slot, the other end of activity long arm articulates there is the bottom plate, the bottom plate forms the working groove with the mount. When the bearing and the small coupler are disassembled, the small fixing groove at the proper position can be selected according to the tonnage and the volume of the selected jack, and the long-arm hook head is placed in the small fixing groove, so that the size of the working groove is adapted to the volume of the required jack. When the jack needs to be replaced in the dismounting process, the movable long arm only needs to be rotated, the position of the hook head of the long arm is changed, and the dismounting time is saved.

The bearing and the small coupler are further improved, the bearing and the small coupler are further provided with a matching plate, one end of the matching plate is provided with an arched notch, the arc section of the notch is a semicircular arc, the middle part of the fixing part of the matching plate is provided with a matching plate mounting groove, the matching plate is positioned in the matching plate mounting groove, one end of the matching plate, provided with the notch, is in contact with the bottom of the matching plate mounting groove, and the bearing and the small coupler which need to be disassembled are clamped by selecting the matching plate with a proper notch size.

The matching plate is further improved in that a positioning hole is formed in one side, which is not provided with the notch, of the matching plate, a second mounting hole is formed in the wall of the mounting groove of the matching plate, and the matching plate is connected with the fixing frame through a bolt penetrating through the positioning hole and the second mounting hole, so that the matching plate is convenient to replace.

The utility model further improves the structure that one end of the movable long arm, which is provided with the long arm hook head, is provided with a first mounting hole, the groove wall of the long arm fixing groove is provided with at least two first auxiliary mounting holes, and when the long arm hook head is positioned in the small fixing groove, the first mounting hole can be aligned with the corresponding first auxiliary mounting hole. Therefore, the long-arm hook head can be fixed through the bolts penetrating through the first mounting holes and the first auxiliary mounting holes, and the strength and stability of the whole tool are guaranteed.

The utility model is further improved by that an auxiliary fixing part is arranged on the surface of the long arm fixing part parallel to the bottom of the working groove at one end of the long arm fixing part close to the bottom plate, and a fixing hole is arranged on the auxiliary fixing part. The rotation of the movable arm is limited by the bolt arranged on the fixed hole, so that the movable arm is ensured to be inactive during work.

The utility model is further improved in that auxiliary fixing grooves are arranged at two ends of the outer side of each long arm fixing part, the auxiliary fixing grooves are parallel to the long arm fixing grooves, and the auxiliary fixing grooves are communicated with the corresponding long arm fixing grooves through the first auxiliary mounting holes. Therefore, the screw head of the bolt arranged on the first auxiliary mounting hole can be placed in the auxiliary fixing groove, and the appearance of the whole tool becomes more tidy and attractive.

The utility model is further improved in that the outer side of the long arm fixing part is hinged with a movable handle I; one side of the bottom plate, which is far away from the fixed frame, is hinged with a movable handle II. The fixed frame and the movable assembly are convenient to move.

In a further development of the utility model, the base plate comprises two steel plates, one of which is provided with a transverse hole, and the two steel plates are welded together at the transverse hole. The strength of the whole bottom plate is enhanced, and the bottom plate is prevented from being damaged when the jack applies force.

The utility model has the advantages that the working groove of the utility model is composed of the fixed mount and the bottom plate, thus in practical application, the size of the working groove can be flexibly adjusted according to the specification and the volume of the required jack; and the matching plates with notches of different sizes can use couplings and bearings of different sizes, so that the universality and the application range of the whole disassembling tool are increased, and the time required for disassembling is reduced.

In addition, the utility model has reliable design principle, simple structure and very wide application prospect.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a top view of an embodiment of the present invention.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is a side view of an embodiment of the present invention.

Figure 4 is a side view of the base plate of the movable assembly of the present invention.

Fig. 5 is a front view of the matching sheet of the present invention.

Fig. 6 is a sectional view of the fixing portion of the mating plate of the fixing frame of the present invention.

In the figure, 1, a fixed frame, 2, a long arm fixing part, 3, a movable long arm, 4, a bottom plate, 5, a movable handle II, 6, an auxiliary fixing part, 7, a movable handle I, 8, a matching plate fixing part, 9, a matching plate, 10, a movable assembly, 11, a small fixing groove, 12, a long arm hook head, 13, a mounting hole I, 15, an auxiliary fixing groove, 16, an auxiliary mounting hole I, 17, a transverse hole, 18, a positioning hole, 19, a notch, 20, a T-shaped groove, 21, a mounting hole II, 22, a matching plate mounting groove, 23, a long arm fixing groove, 24 and a working groove.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following explains key terms appearing in the present invention.

As shown in the figures, the special adjustable disassembling tool for the bearing and the small-sized coupler comprises a movable assembly 10, a fixed frame 1 and a matching plate 9, wherein the movable assembly 10 comprises a bottom plate 4 and four movable long arms 3, the bottom plate 4 is preferably formed by overlapping two layers of 50mm thick steel plates, and the bottom plate 4 is preferably a rectangular plate with the length of 300mm and the width of 200 mm. When the bottom plate 4 is made of a stack of two thick steel plates, a transverse hole 17 is provided in one of the steel plates of the bottom plate 4. In the transverse holes 17, two steel plates constituting the bottom plate 4 are welded together to reinforce the strength of the bottom plate 4, and the steel plate provided with the transverse holes 17 is preferably located outside the bottom plate 4. Still all be provided with long arm installation breach on four angles of bottom plate 4. In the four long arm mounting notches, the bottom plate 4 is respectively hinged with one ends of the four movable long arms 3. The utility model discloses a long arm fixing device, including mount 1, mount, the last symmetry of mount 1 is provided with two long arm fixed parts 2, the preferred length 500mm of the size of long arm fixed part 2, high 50mm, the upper and lower two surfaces of long arm fixed part 2 all are provided with long arm fixed slot 23, the size of long arm fixed slot 23 suits with the size of activity long arm 3. Further, the long arm fixing groove 23 is preferably formed to have a width of 41mm and a depth of 50mm at a middle portion of a corresponding one of the surfaces of the long arm fixing part 2. The four movable long arms 3 of the movable assembly 10 are respectively positioned in the four long arm fixing grooves 23, and the bottom plate 4 is positioned at the end part of the long arm fixing part 2 and forms a large working groove 24 with the fixed frame 1.

In order to fix the movable long arm 3 conveniently, a long arm hook head 12 is further arranged at one end of the movable long arm 3 far away from the bottom plate 4. The long arm fixing groove 23 is arranged at one end of the bottom plate 4 far away from the movable assembly 10, a small fixing groove 11 is arranged on the bottom surface of the long arm fixing groove 23, the size of the small fixing groove 11 is matched with that of the long arm hook head 12, and the number of the small fixing grooves 11 is at least two. Further, the length of the small fixing grooves 11 is preferably 50mm, and the interval between the adjacent small fixing grooves 11 is preferably 50 mm. In addition, two auxiliary fixing grooves 15 are further formed in the outer sides of the two long arm fixing portions 2, the two auxiliary fixing grooves 15 correspond to and are parallel to the two long arm fixing grooves 23 in the corresponding long arm fixing portions 2, at least two auxiliary mounting holes 16 are further formed in one ends, far away from the bottom plate 4, of the auxiliary fixing grooves 15, and the auxiliary fixing grooves 15 can be communicated with the corresponding long arm fixing grooves 23 through the auxiliary mounting holes 16. A mounting hole one 13 is further provided at the long-arm hook head 12 so that the long-arm hook head 12 can be fixed by a bolt passing through the mounting hole one 13 and the auxiliary mounting hole one 16. Further, in order to fix the other end of the movable long arm 3, an auxiliary fixing portion 6 is further provided at one end of the long arm fixing portion 2 close to the bottom plate 4, the auxiliary fixing portion 6 is provided at one side of the long arm fixing portion 2 away from the bottom surface of the fixing frame, and a fixing hole is provided on the auxiliary fixing portion 6, so that the movable long arm 3 can be limited in the rotation direction by a bolt passing through the fixing hole above the long arm fixing groove 23.

The one end that the bottom plate 4 was kept away from to mount 1 still is provided with matching board fixed part 8, matching board fixed part 8 and the one end contact of keeping away from bottom plate 4 of long arm fixed part 2, just long arm fixed part 2 is perpendicular with matching board fixed part 8, constitutes a work groove 24 between the bottom surface of long arm fixed part 2, matching board fixed part 8 and mount 1 like this. The matching plate fixing part 8 is preferably 300mm long and 200mm wide. The upper surface of the matching plate fixing part 8 is provided with a matching plate mounting groove 22, and the matching plate 9 is mounted in the matching plate mounting groove 22. The matching plate 9 is square, an arch-shaped notch 19 is formed in one side, in contact with the bottom surface of the matching plate mounting groove 22, of the matching plate 9, the arc section of the notch 19 is preferably a semicircular arc, and the diameter of the arc section of the notch 19 is preferably within the range of 20mm-150 mm. Furthermore, a positioning hole 18 and a T-shaped groove 20 are formed in the matching plate 9 on the side opposite to the side where the notch 19 is formed, a second mounting hole 21 corresponding to the positioning hole 18 is formed in the side wall of the matching plate mounting groove 22, and the matching plate 9 can be fixed by a bolt passing through the second mounting hole 21 and the positioning hole 18; the side wall of the matching plate mounting groove 22 is further provided with a clamping portion corresponding to the T-shaped groove 20, and the matching plate 9 is clamped through the clamping portion.

In addition, in order to move the fixed frame 1 and the movable assembly 10 conveniently, movable handles I7 are hinged to the outer sides of the two long arm fixing parts 2 of the fixed frame 1, and the movable handles I7 have two states of being parallel to the long arm fixing parts 2 and being perpendicular to the long arm fixing parts 2; a second movable handle 5 is hinged to the upper part of the outer side of the bottom plate 4 of the movable assembly 10, and the second movable handle 5 has two states of being parallel to the bottom plate 4 and being vertical to the bottom plate 4.

When the bearing and the small-sized coupler are disassembled by using the utility model, the working process is as follows:

the method comprises the following steps: measuring the shaft diameters of the coupler and the bearing to be disassembled, and selecting a matching plate 9 with a proper size according to the measured shaft diameters;

step two: estimating the volume and the size of the needed jack in advance;

step three: the movable handle I7 of the fixing frame 1 is pulled out, the working groove 24 of the fixing frame 1 is upward, the fixing frame 1 is lifted to the position below a coupler or a bearing to be disassembled, the matching plate 9 is placed in the matching plate mounting groove 22 of the fixing frame 1, one end provided with the notch 19 is positioned at the bottom of the matching plate mounting groove 22, the coupler or the bearing to be disassembled is clamped tightly, and then positioning and installation are carried out through the bolt and the positioning hole 18;

step four: according to the selected volume of the jack, a proper small fixed groove 11 and a movable assembly 10 with a movable long arm 3 with a proper length are selected on the fixed frame 1; then opening a second movable handle 5 on a bottom plate 4 of the movable assembly 10, lifting the movable assembly 10 to a place where the fixed frame 1 is placed, placing four movable long arms 3 of the movable assembly 10 into corresponding long arm fixing grooves 23 on the fixed frame 1, enabling the long arm hook heads 12 to be located in the small fixing grooves 11, fixing the long arm hook heads 12 through bolts and the first auxiliary mounting holes 16, and limiting the rotation direction of the movable long arms 3 through the bolts above the movable long arms 3;

step five: putting the jack into the working groove 24 of the fixed frame 1, and slowly operating the jack to stress the jack and the whole disassembling tool; if the hydraulic jack is adopted, when the disassembling tool is stressed, the jacking speed of the hydraulic jack needs to be slowed down, the operation is slowly carried out until the shaft coupler or the bearing moves relative to the shaft, and then the shaft coupler or the bearing is disassembled; if the screw jack is adopted, when the disassembling tool is stressed, the speed of the operating rod of the screw jack needs to be reduced, and then the coupler or the bearing is disassembled;

step six: in the dismounting process, if the coupler or the bearing is not dismounted even when the jacking stroke of the jack is exceeded, the distance between the movable assembly and the fixed frame 1 needs to be shortened, the jack is taken out, the fourth step is repeated to shorten the distance, and then the fifth step is repeated until the coupler or the bearing is dismounted;

step seven: and if the stress of the selected jack exceeds the requirement in the dismounting process, the coupler or the bearing does not move with the shaft, the selected jack cannot meet the requirement, the jack with larger tonnage needs to be replaced, and then the third step, the fourth step and the fifth step are repeated until the coupler or the bearing is dismounted.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The adjustable disassembly tool special for the bearing and the small coupler is characterized by comprising a fixing frame (1), wherein one end of the fixing frame (1) is provided with a matching plate fixing part (8), both sides of the matching plate fixing part (8) are provided with long arm fixing parts (2), the long arm fixing parts (2) are perpendicular to the matching plate fixing part (8), the upper surface and the lower surface of each long arm fixing part (2) are respectively provided with a long arm fixing groove (23), one end, close to the matching plate fixing part (8), of the bottom of each long arm fixing groove (23) is provided with at least two small fixing grooves (11), a movable long arm (3) is further placed in each long arm fixing groove (23), one end, close to the matching plate fixing part (8), of each movable long arm (3) is provided with a long arm hook head (12), and each long arm hook head (12) is located in the corresponding small fixing groove (11), the other end of the movable long arm (3) is hinged with a bottom plate (4), and the bottom plate (4) and the fixed frame (1) form a working groove (24).

2. The special adjustable disassembling tool for the bearing and the small-sized coupler according to claim 1, further comprising a matching plate (9), wherein an arched notch (19) is formed in one end of the matching plate (9), the arc section of the notch (19) is a semicircular arc, a matching plate mounting groove (22) is formed in the middle of the matching plate fixing portion (8), the matching plate (9) is located in the matching plate mounting groove (22), and one end of the matching plate (9) provided with the notch (19) is in contact with the bottom of the matching plate mounting groove (22).

3. The special adjustable disassembling tool for the bearing and the small-sized coupler according to claim 2, wherein a positioning hole (18) is formed in one side, which is not provided with the notch (19), of the matching plate (9), a second mounting hole (21) is formed in the wall of the matching plate mounting groove (22), and the matching plate (9) is connected with the fixing frame (1) through a bolt penetrating through the positioning hole (18) and the second mounting hole (21).

4. The special adjustable disassembling tool for the bearing and the small-sized coupler is characterized in that a first mounting hole (13) is formed in one end, provided with a long-arm hook head (12), of the movable long arm (3), at least two first auxiliary mounting holes (16) are formed in the groove wall of the long-arm fixing groove (23), and when the long-arm hook head (12) is located in the small fixing groove (11), the first mounting hole (13) can be aligned with the corresponding first auxiliary mounting hole (16).

5. The special adjustable disassembling tool for the bearing and the small-sized coupler according to claim 1, characterized in that an auxiliary fixing part (6) is arranged on the surface of the long arm fixing part (2) parallel to the bottom of the working groove (24) at one end of the long arm fixing part (2) close to the bottom plate (4), and a fixing hole is arranged on the auxiliary fixing part (6).

6. The special adjustable disassembling tool for the bearing and the small-sized coupler is characterized in that auxiliary fixing grooves (15) are formed in two ends of the outer side of each long arm fixing portion (2), the auxiliary fixing grooves (15) are parallel to the long arm fixing grooves (23), and the auxiliary fixing grooves (15) are communicated with the corresponding long arm fixing grooves (23) through first auxiliary mounting holes (16).

7. The special adjustable disassembling tool for the bearing and the small-sized coupler is characterized in that a first movable handle (7) is hinged to the outer side of the long arm fixing part (2); one side of the bottom plate (4) far away from the fixed frame (1) is hinged with a movable handle II (5).

8. The special adjustable disassembling tool for the bearing and the small-sized coupler according to claim 1 or 7, characterized in that the bottom plate (4) comprises two steel plates, one of the steel plates is provided with a transverse hole (17), and the two steel plates are welded together at the transverse hole (17).