CN217452843U - Gear pressing tool - Google Patents
Gear pressing tool Download PDFInfo
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- CN217452843U CN217452843U CN202221098222.8U CN202221098222U CN217452843U CN 217452843 U CN217452843 U CN 217452843U CN 202221098222 U CN202221098222 U CN 202221098222U CN 217452843 U CN217452843 U CN 217452843U
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- gear
- heavy hammer
- bearing
- joint bearing
- rod
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- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a gear pressing tool, which has the key points of the technical proposal that the tool comprises a bottom plate which is used for supporting a gear; the heavy hammer is arranged above the bottom plate and is used for applying downward pressure to the two gears on the bottom plate; a top plate disposed above the weight; a pressure lever capable of moving up and down on the top plate; the cross rod is arranged at the bottom of the pressure rod; one end of the bottom of the vertical rod is connected to the top of the heavy hammer; the cross rod is connected with the inner ring of the joint bearing, and the vertical rod is connected with the outer ring of the joint bearing; through setting up joint bearing, when the depression bar applyed pressure downwards, joint bearing can adjust the application of force direction of montant for the montant keeps vertical decurrent application of force direction, makes keeping decurrent atress when the pressfitting of two gears, prevents that the gear from appearing warping because of the side direction stress.
Description
Technical Field
The utility model relates to a technical field of gear pressfitting, more specifically the saying so, it relates to a gear pressfitting frock.
Background
The gear assembling form is commonly used in the work of the engine during gear lamination, the design precision of each gear to be removed after gear lamination cannot be reduced, and otherwise, the working performance of the engine is influenced. The deformation of the gear due to stress in the pressing process is the main reason of reducing the precision.
In the process of pressing, the gear is easy to generate lateral component force relative to vertical downward acting force, and the gear is easy to deform under the action of the lateral component force.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a gear pressfitting frock, it is through setting up joint bearing, when the depression bar is exerted pressure downwards, joint bearing can adjust the application of force direction of montant for the montant keeps vertical decurrent application of force direction, makes keeping decurrent atress when the pressfitting of two gears, prevents that the gear from appearing warping because of the side direction stress.
In order to achieve the above purpose, the utility model provides a following technical scheme: a gear pressing tool comprises a bottom plate, a pressing plate and a pressing plate, wherein the bottom plate is used for supporting a gear;
the heavy hammer is arranged above the bottom plate and is used for applying downward pressure to the two gears on the bottom plate;
a top plate disposed above the weight;
a pressure lever capable of moving up and down on the top plate;
the cross rod is arranged at the bottom of the pressure rod;
one end of the bottom of the vertical rod is connected to the top of the heavy hammer;
and the cross rod is connected with the inner ring of the joint bearing, and the vertical rod is connected with the outer ring of the joint bearing.
Through adopting above-mentioned technical scheme, when the depression bar exerted pressure downwards, the application of force direction of montant can be adjusted to joint bearing for the montant keeps vertical decurrent application of force direction, makes keeping decurrent atress when the pressfitting of two gears, prevents that the gear from appearing warping because of the side direction stress.
The utility model discloses further set up to: the bottom of the heavy hammer is fixedly connected with a soft pad which is in contact with the gear.
Through adopting above-mentioned technical scheme, through setting up the cushion for the weight can cushion when the application of force is too big, thereby prevents that excessive application of force from causing gear deformation.
The utility model discloses further set up to: the compression bar is in threaded connection with the top plate, the vertical rod is in rotational connection with the heavy hammer, and the rotation axis of the vertical rod is vertical.
The utility model discloses further set up to: the weight is provided with a turntable which is rotatably connected with the weight, and one end of the bottom of the vertical rod extends into the weight and is fixed with the turntable.
The utility model discloses further set up to: the turntable is rotationally connected with the heavy hammer through a bearing.
The utility model discloses further set up to: the bearing sets up to thrust bearing in carousel bottom and bearing.
Through adopting above-mentioned technical scheme, through setting up thrust bearing, can prevent that the carousel from being destroyed with the rotation connection between the weight when the downward application of force of carousel.
The utility model discloses further set up to: the top of the heavy hammer is provided with a groove, the turntable and the bearing are positioned in the groove, and the top of the heavy hammer is provided with a pressing plate which tightly presses the turntable and the bearing in the groove.
The utility model discloses further set up to: the bottom of the pressure lever is provided with an ear seat, and the cross rod is arranged on the ear seat.
The utility model discloses further set up to: the joint bearing is set as an internal thread joint bearing, and one end of the top of the vertical rod is connected with an outer ring of the joint bearing through an internal thread of the joint bearing.
To sum up, the utility model discloses compare and have following beneficial effect in prior art:
1. by arranging the joint bearing, when the pressure rod applies pressure downwards, the joint bearing can adjust the force application direction of the vertical rod, so that the vertical rod keeps the vertical downward force application direction, the two gears keep downward stress during pressing, and the gears are prevented from deforming due to lateral stress;
2. the utility model is provided with the soft cushion, so that the heavy hammer can buffer when the force is too large, thereby preventing the gear from deforming due to excessive force;
3. the utility model discloses a set up thrust bearing, the rotation relation of connection between carousel and the weight is destroyed when can preventing the downward application of force of carousel.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment.
In the figure: 1. a base plate; 11. a support bar; 2. a weight; 21. a groove; 22. a turntable; 3. a vertical rod; 4. a pressure lever; 5. a cross bar; 6. a knuckle bearing; 7. a soft cushion; 8. a top plate; 9. an ear mount; 91. a seat plate; 92. an ear plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
Example (b): a gear pressing tool is shown in the attached drawing 1 and comprises a bottom plate 1, a heavy hammer 2, a top plate 8, a pressure rod 4, a cross rod 5, a vertical rod 3 and a joint bearing 6, wherein the bottom plate 1 is used for supporting two gears, the heavy hammer 2 is arranged above the bottom plate 1 and used for pressing the two gears, the top plate 8 is arranged above the heavy hammer 2, the pressure rod 4 can move up and down on the top plate 8, the cross rod 5 is arranged at the bottom of the pressure rod 4, one end of the bottom of the top plate is connected to the top of the heavy hammer 2 and used for applying downward pressure to the heavy hammer 2, and the joint bearing 6 is used for connecting the vertical rod 3 and the cross rod 5 together; specifically, the cross rod 5 is connected with an inner ring of the joint bearing 6, and the vertical rod 3 is connected with an outer ring of the joint bearing 6.
When the two gears are pressed, the two gears are placed on the supporting plate, the heavy hammer 2 is pressed at the tops of the two gears, the pressing rod 4 slides up and down on the top plate 8, the pressing rod 4 transmits downward force to the vertical rod 3 through the knuckle bearing 6, and the vertical rod 3 transmits the vertical downward force to the heavy hammer 2, so that the heavy hammer 2 is driven to press the two gears together downwards. When 4 decurrent passing through joint bearing 6 with power of depression bar transmit to montant 3, under joint bearing 6's effect for the power that montant 3 transmitted to weight 2 can keep vertical, thereby makes the gear can not receive the side direction effort in the middle of the process of pressfitting, thereby makes two gears can not appear warping because of the side direction effort in the middle of the process of carrying out the pressfitting.
Specifically, a soft pad 7 in contact with the gear is fixedly connected to the bottom of the heavy hammer 2; when weight 2 carries out the pressfitting to two gears, if the pressure of exerting is too big, then cause the deformation of gear easily, through the setting of cushion 7, when weight 2 exerted the pressure to the gear is too big, can absorb too big pressure through cushion 7 to make the gear be difficult to warp under too big pressure.
Specifically, depression bar 4 sets up to montant 3, with 4 threaded connection of depression bar on roof 8, through rotating depression bar 4, just can realize the reciprocating of depression bar 4. It is specific, it is vertical to set up 3 rotation axis that rotate its montant 3 of connection on weight 2 of montant, need realize through rotating depression bar 4 when pressing bar 4's downward application of force, depression bar 4 must can drive montant 3 through horizontal pole 5 and joint bearing 6 and rotate, if montant 3 can not rotate on weight 2, will cause the relative rotation between weight 2 and the gear, cause wearing and tearing to the gear easily, it connects on weight 2 to set up 3 rotations of montant, make montant 3 can follow depression bar 4 and rotate and make and not have relative rotation between weight 2 and the gear, thereby be difficult to cause wearing and tearing to the gear.
Specifically, a turntable 22 is arranged in the heavy hammer 2 and is rotatably connected with the heavy hammer 2, and one end of the bottom of the vertical rod 3 extends into the heavy hammer 2 and is fixed with the turntable 22; the rotating plate 22 is rotatably connected to the weight 2 through a bearing, preferably, the bearing is a thrust bearing and the bearing is located at the bottom of the rotating plate 22.
Since the rotary plate 22 is connected to the vertical rod 3, when the vertical rod 3 applies a downward pressure, the rotary plate 22 applies the pressure to the weight 2 through the bearing, and the bearing is set as a thrust bearing, so that the bearing can be prevented from being damaged when the rotary plate 22 transmits the pressure to the weight 2.
Specifically, a groove 21 is formed at the top of the weight 2, the turntable 22 and the bearing are both arranged in the groove 21, and a pressing plate is arranged at the top of the weight 2 and limits the turntable 22 and the bearing in the groove 21. Specifically, the vertical rod 3 penetrates through the pressing plate along the vertical direction and is fixedly connected with the rotating disc 22. Specifically, the pressing plate is fixed on the top of the weight 2 by a bolt, and when the pressing plate is installed, the rotating disc 22 and the thrust bearing are installed in the groove 21, and then the pressing plate is fixed on the top of the weight 2 by a bolt.
Specifically, the groove 21 is provided with a circular groove, and the rotary plate 22 is provided with a circular disk.
Specifically, the bottom of the pressure lever 4 is fixedly connected with an ear seat 9, and the cross rod 5 is arranged on the ear seat 9; the ear seat 9 comprises a seat plate 91 fixed at the bottom of the pressure lever 4 and two ear plates 92 fixedly connected at the bottom of the seat plate 91; the cross bar 5 extends through the two ear plates 92.
Specifically, the cross bar 5 is a bolt, a screw portion of the bolt penetrates through the two lug plates 92 to be in threaded connection with a nut, and the nut and the head of the bolt can be respectively pressed on the sides, away from each other, of the two lug plates 92 by tightening the nut. Set up horizontal pole 5 into the bolt, make things convenient for the dismouting of horizontal pole 5 on ear seat 9.
Specifically, the knuckle bearing 6 is set as an internal thread knuckle bearing 6, the cross rod 5 is in threaded connection with an inner ring of the knuckle bearing 6, and the top of the vertical rod 3 is in threaded connection with an outer ring of the knuckle bearing 6.
Specifically, a plurality of support rods 11 are fixedly connected to the top of the bottom plate 1 and surround the weight 2, the top of the support rods 11 are fixedly connected to the top plate 8, and the top plate 8 is supported by the support rods 11.
The gear press-fit tool has the following working principle when in use: when the two gears are pressed, the two gears are placed on the supporting plate, the heavy hammer 2 is pressed at the tops of the two gears, the pressing rod 4 slides up and down on the top plate 8, the pressing rod 4 transmits downward force to the vertical rod 3 through the knuckle bearing 6, and the vertical rod 3 transmits the vertical downward force to the heavy hammer 2, so that the heavy hammer 2 is driven to press the two gears together downwards. When 4 decurrent passing through joint bearing 6 with power of depression bar transmit to montant 3, under joint bearing 6's effect for the power that montant 3 transmitted to weight 2 can keep vertical, thereby makes the gear can not receive the side direction effort in the middle of the process of pressfitting, thereby makes two gears can not appear warping because of the side direction effort in the middle of the process of carrying out the pressfitting.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a gear pressfitting frock which characterized in that: comprises a bottom plate (1) for supporting the gear;
the weight (2) is arranged above the bottom plate (1) and is used for applying downward pressure to the two gears on the bottom plate (1);
a top plate (8) disposed above the weight (2);
a pressure lever (4) which can move up and down on the top plate (8);
the cross rod (5) is arranged at the bottom of the pressure rod (4);
one end of the bottom of the vertical rod (3) is connected to the top of the heavy hammer (2);
and the cross rod (5) is connected with the inner ring of the joint bearing (6), and the vertical rod (3) is connected with the outer ring of the joint bearing (6).
2. The gear press-fitting tool according to claim 1, characterized in that: the bottom of the heavy hammer (2) is fixedly connected with a soft pad (7) which is in contact with the gear.
3. The gear press-fitting tool according to claim 1, characterized in that: the compression bar (4) is in threaded connection with the top plate (8), the vertical rod (3) is rotatably connected with the heavy hammer (2), and the rotating axis of the vertical rod (3) is vertical.
4. The gear press-fitting tool according to claim 2, characterized in that: the heavy hammer (2) is provided with a turntable (22) which is rotatably connected with the heavy hammer (2), and one end of the bottom of the vertical rod (3) extends into the heavy hammer (2) and is fixed with the turntable (22).
5. The gear press-fitting tool according to claim 4, wherein: the rotary disc (22) is rotationally connected with the heavy hammer (2) through a bearing.
6. The gear press-fitting tool according to claim 5, wherein: the bearing is arranged at the bottom of the turntable (22) and is a thrust bearing.
7. The gear press-fitting tool according to claim 6, wherein: the top of the heavy hammer (2) is provided with a groove (21), the turntable (22) and the bearing are positioned in the groove (21), and the top of the heavy hammer (2) is provided with a pressing plate for pressing the turntable (22) and the bearing in the groove (21).
8. The gear press-fitting tool according to claim 1, characterized in that: an ear seat (9) is arranged at the bottom of the pressure lever (4), and the cross rod (5) is arranged on the ear seat (9).
9. The gear press-fitting tool according to claim 8, wherein: the joint bearing (6) is arranged as an internal thread joint bearing (6), and one end of the top of the vertical rod (3) is connected with the outer ring of the joint bearing (6) through the internal thread of the joint bearing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221098222.8U CN217452843U (en) | 2022-05-09 | 2022-05-09 | Gear pressing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221098222.8U CN217452843U (en) | 2022-05-09 | 2022-05-09 | Gear pressing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217452843U true CN217452843U (en) | 2022-09-20 |
Family
ID=83273347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221098222.8U Active CN217452843U (en) | 2022-05-09 | 2022-05-09 | Gear pressing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217452843U (en) |
-
2022
- 2022-05-09 CN CN202221098222.8U patent/CN217452843U/en active Active
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