CN220128579U

CN220128579U - Transmission shaft fixing tool

Info

Publication number: CN220128579U
Application number: CN202321071180.3U
Authority: CN
Inventors: 卫海军
Original assignee: Ningbo Huazhifeng Technology Co ltd
Current assignee: Ningbo Huazhifeng Technology Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-12-05
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses a transmission shaft fixing tool which comprises a base, wherein the upper end of the base is provided with a first sliding groove, an adjusting component is sleeved in the first sliding groove in a sliding mode, the upper end of the adjusting component is connected with a pressing plate, one side of the pressing plate is connected with a turning mechanism, and a fixing component is connected between the pressing plate and the base. The beneficial effects are that: through the adjusting part in the spout one that sets up, when pressing down the clamp plate, the clamp plate drives the hob and slides in spout one, can make the clamp plate press from both sides tight transmission shaft fast, and the transmission shaft produces the vibration in processing, can produce effort to fixed subassembly and make fixed subassembly separation, and fixed subassembly receives the effort when upwards moving, can drive the clamp plate and upwards move to pull up the hob and upwards move in spout one, make the ball drive the hob and rotate in the indent roll in the helicla flute, and the cylinder in the diversion mechanism of setting contacts the extrusion with the inner wall of recess one, thereby prevent the hob rotation.

Description

Transmission shaft fixing tool

Technical Field

The utility model relates to the technical field of transmission shaft machining, in particular to a transmission shaft fixing tool.

Background

The transmission shaft is a rotating body with high rotating speed and few supports, so that the dynamic balance of the transmission shaft is critical, the dynamic balance test is carried out on the transmission shaft before delivery, the transmission shaft is regulated on a balancing machine, the transmission shaft transmits the rotation of a speed changer to a shaft of a main speed reducer for a front engine rear wheel driven vehicle, the transmission shaft can be in several sections, and the sections can be connected by universal joints.

The transmission shaft is fixed when processing, and when fixing the transmission shaft, through last rotation lead screw, make two clamp splice be close to the transmission shaft and press from both sides tightly, and this kind of traditional mode is whether the clamp of transmission shaft or dismantlement, and is all comparatively loaded down with trivial details.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The utility model aims to provide a transmission shaft fixing tool for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a frock is fixed to transmission shaft, includes the base, spout one has been seted up to the upper end of base, the slip cap is equipped with adjusting part in the spout one, adjusting part's upper end is connected with the clamp plate, one side of clamp plate is connected with steering mechanism, the clamp plate with be connected with fixed subassembly between the base.

Further, the adjusting component comprises a screw rod, balls and a shaft sleeve, the shaft sleeve is embedded in the first sliding groove, the screw rod is sleeved in the shaft sleeve in a sliding mode, and the balls are arranged in the screw groove of the screw rod in a rolling mode.

Further, the balls are provided with two groups, the two groups of balls are symmetrically arranged on the outer wall of the screw rod, and the two balls are embedded in the shaft sleeve in a rolling mode.

Further, the steering mechanism comprises a rotary table, a deflector rod, a roller and an elastic component, wherein the upper end of the spiral rod is fixedly connected with the rotary table, the outer wall of the rotary table is rotationally connected with the pressing plate through a bearing, one side of the rotary table is provided with a groove I, the roller is connected in the groove I through the elastic component, and the upper end of the elastic component is connected with the deflector rod.

Further, the elastic component includes connecting block, slide bar and stopper, be provided with the connecting block in the recess one, the upper end fixedly connected with driving lever of connecting block, the outer wall of driving lever through the pivot with the carousel rotates to be connected, pressure chamber and seal cover have all been seted up in the four corners of connecting block are equipped with the slide bar, the slide bar keep away from the one end fixedly connected with stopper in pressure chamber and with the cylinder contact.

Further, a groove II is formed in one side of the pressing plate, the deflector rod is arranged, a sliding groove II is formed in the upper end of the groove II, a clamping block is arranged in the sliding sleeve, a spring is fixedly connected between the clamping block and the sliding groove II, and a clamping groove matched with the clamping block is formed in the deflector rod.

Further, the second sliding groove, the clamping block and the spring are provided with three groups, and the second sliding groove, the clamping block and the spring are annularly arranged in the second groove.

Further, the fixed component comprises an upper clamp and a lower clamp, wherein the lower clamp is fixedly connected to one side of the upper end of the base, and the lower clamp is fixedly connected to the lower end of one side of the pressing plate, which is close to the lower clamp.

Further, the adjusting component, the fixing component and the direction changing mechanism are all provided with two groups, and the two groups of adjusting components, the fixing component and the direction changing mechanism are symmetrically arranged at two ends of the base and the pressing plate.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Through the adjusting part in the spout one that sets up, when pressing down the clamp plate, the clamp plate drives the hob and slides in spout one, can make the clamp plate press from both sides tight with the transmission shaft fast, and the transmission shaft produces the vibration in processing, can produce effort to fixed subassembly and make fixed subassembly separate, and fixed subassembly receives the effort when upwards moving, can drive the clamp plate and upwards move, thereby pull up hob and upwards move in spout one, make the ball drive hob and rotate in the helicla flute when rolling, and the cylinder in the diversion mechanism of setting contacts the extrusion with the inner wall of recess one, thereby prevent hob rotation, thereby avoid the clamp plate to upwards move, make fixed subassembly fix more firmly, when making the fixed frock of transmission shaft can the quick fixed transmission shaft, can also useful very strong stability.

(2) The screw rod and the ball in the screw groove are arranged, when the screw rod slides up and down in the first chute, the ball rolls in the screw groove to drive the screw rod to rotate, and the turning mechanism is arranged, so that the rotating direction of the screw rod can be adjusted, the movable direction of the screw rod is changed, the screw rod can only move upwards or downwards independently, the upper clamp and the lower clamp are controlled to be tightly attached and far away, the clamping and loosening of the transmission shaft are controlled, the fixed tool can be quickly fixed by the transmission shaft, and the turning mechanism, the adjusting component and the fixing component are symmetrically arranged in two groups, so that the sliding consistency of the pressing plate is higher, and the fixation of the transmission shaft is more stable.

(3) Through the driving lever in the carousel that sets up, can make the connecting block rotate through adjusting the driving lever to the slide bar that makes connecting block four corners seal cover establish drives the cylinder through the stopper and rotates, and the inner wall contact of control cylinder and recess one is adjusted the inner wall contact position of cylinder and recess one through the fluctuation direction of driving lever, thereby changes the unidirectional rotation direction of hob, and the fixture block that sets up can be fixed the driving lever when the driving lever stirs, avoids the transmission shaft to lead to the driving lever skew because of vibrations in processing, thereby leads to the fixed effect of transmission shaft to worsen.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a fixture for fixing a transmission shaft according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an internal structure of a fixture for fixing a transmission shaft according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of an adjusting assembly in a drive shaft fixture according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a steering mechanism in a transmission shaft fixing tool according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of an elastic component in a fixture for fixing a transmission shaft according to an embodiment of the present utility model.

Reference numerals:

1. a base; 2. a first chute; 3. an adjustment assembly; 4. a pressing plate; 5. a direction changing mechanism; 6. a fixing assembly; 7. a screw rod; 8. a ball; 9. a shaft sleeve; 10. a turntable; 11. a deflector rod; 12. a roller; 13. an elastic component; 14. a groove I; 15. a connecting block; 16. a slide bar; 17. a limiting block; 18. a pressure chamber; 19. a second groove; 20. a second chute; 21. a clamping block; 22. a spring; 23. a clamp is arranged; 24. and (5) lower clamp.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and detailed description:

embodiment one:

referring to fig. 1-5, a transmission shaft fixing tool according to an embodiment of the present utility model includes a base 1, a first chute 2 is provided at an upper end of the base 1, an adjusting component 3 is slidably sleeved in the first chute 2, a pressing plate 4 is connected to an upper end of the adjusting component 3, a direction changing mechanism 5 is connected to one side of the pressing plate 4, and a fixing component 6 is connected between the pressing plate 4 and the base 1.

According to the scheme, when the pressing plate 4 is pressed down, the pressing plate drives the screw rod 7 to slide in the first chute 2 through the adjusting component 3 in the first chute 2, so that the pressing plate 4 can clamp a transmission shaft rapidly, the transmission shaft vibrates during processing, acting force is generated on the fixing component 6 to separate the fixing component 6, the pressing plate 4 is driven to move upwards when the fixing component 6 is acted on, the screw rod 7 is pulled up to move upwards in the first chute 2, the rolling balls 8 drive the screw rod 7 to rotate when rolling in the first chute, the roller 12 in the steering mechanism 5 contacts and extrudes the inner wall of the first chute 14, and therefore the screw rod 7 is prevented from rotating, the pressing plate 4 is prevented from moving upwards, the fixing component 6 is fixed more firmly, the transmission shaft can be fixed rapidly, and meanwhile, the transmission shaft can be fixed with extremely strong stability.

Embodiment two:

referring to fig. 1-3, the adjusting assembly 3 includes a screw rod 7, balls 8 and a shaft sleeve 9, the shaft sleeve 9 is embedded in the first runner 2, the screw rod 7 is sleeved in the shaft sleeve 9 in a sliding manner, the balls 8 are disposed in the screw grooves of the screw rod 7 in a rolling manner, the balls 8 are disposed in two groups, the balls 8 are symmetrically disposed on the outer wall of the screw rod 7, the balls 8 are both disposed in the shaft sleeve 9 in a rolling manner, the fixing assembly 6 includes an upper clamp 23 and a lower clamp 24, one side of the upper end of the base 1 is fixedly connected with the lower clamp 24, one side lower end of the pressing plate 4, which is close to the lower clamp 24, is fixedly connected with the upper clamp 23, the adjusting assembly 3, the fixing assembly 6 and the turning mechanism 5 are both disposed in two groups, and the adjusting assembly 3, the fixing assembly 6 and the turning mechanism 5 are symmetrically disposed at two ends of the base 1 and the pressing plate 4.

Through the scheme of the utility model, when the screw rod 7 slides up and down in the first chute 2 through the screw rod 7 and the balls 8 in the screw groove, the screw rod 7 is driven to rotate through the rolling of the balls 8 in the screw groove, and the rotating direction of the screw rod 7 can be adjusted through the steering mechanism 5, so that the movable direction of the screw rod 7 is changed, the screw rod 7 can only move upwards or downwards independently, the upper clamp 23 and the lower clamp 24 are controlled to be tightly attached and separated, the clamping and releasing of the transmission shaft are controlled, the fixed tool can be fixed rapidly, and the steering mechanism 5, the adjusting component 3 and the fixing component 6 are symmetrically provided with two groups, so that the sliding consistency of the pressing plate 4 is higher, and the fixation of the transmission shaft is more stable.

Embodiment III:

referring to fig. 2-4, the steering mechanism 5 includes a turntable 10, a deflector rod 11, a roller 12 and an elastic component 13, the upper end of the spiral rod 7 is fixedly connected with the turntable 10, the outer wall of the turntable 10 is rotatably connected with the pressing plate 4 through a bearing, one side of the turntable 10 is provided with a first groove 14, the roller 12 is connected with the elastic component 13 through the elastic component 13 in the first groove 14, the upper end of the elastic component 13 is connected with the deflector rod 11, the elastic component 13 includes a connecting block 15, a slide bar 16 and a limiting block 17, the first groove 14 is internally provided with the connecting block 15, the upper end of the connecting block 15 is fixedly connected with the deflector rod 11, the outer wall of the deflector rod 11 is rotatably connected with the turntable 10 through a rotating shaft, four corners of the connecting block 15 are respectively provided with a pressure cavity 18 and a slide bar 16 in a sealing sleeve, one end of the slide bar 16 far away from the pressure cavity 18 is fixedly connected with the limiting block 17 and is contacted with the roller 12, one side of the pressing plate 4 is provided with a second groove 19 and is provided with the deflector rod 11, the upper end of the second groove 19 is provided with a slide groove 20 and a slide block 20 is provided with a slide block 21, a slide block 21 is matched with the second slide block 21, and a slide block 20 is provided with the slide block 20.

According to the scheme provided by the utility model, through the deflector rod 11 in the arranged turntable 10, the connecting block 15 can be rotated by adjusting the deflector rod 11, so that the sliding rods 16 which are hermetically sleeved at the four corners of the connecting block 15 drive the roller 12 to rotate through the limiting blocks 17, the roller 12 is controlled to be in contact with the inner wall of the groove I14, the contact position of the roller 12 and the inner wall of the groove I14 is adjusted through the fluctuation direction of the deflector rod 11, the unidirectional rotation direction of the screw rod 7 is changed, the deflector rod 11 can be fixed by the arranged clamping blocks 21 when the deflector rod 11 is stirred, and the deflection of the deflector rod 11 caused by vibration during processing of a transmission shaft is avoided, so that the fixing effect of a transmission shaft is poor.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

In practical application, the deflector rod 11 is moved to the middle of the groove two 19, at this time, the roller 12 is not contacted with the inner wall of the groove one 14, so that the rotation of the screw rod 7 is not influenced and can rotate freely, at this time, the pressing plate 4 is lifted to separate the lower clamp 24 from the upper clamp 23, then the deflector rod 11 is moved to one side, the roller 12 is contacted with the inner wall of the groove one 14, so that the screw rod 7 is prevented from rotating when falling down due to gravity, the pressing plate 4 is prevented from moving downwards, a transmission shaft is placed on the lower clamp 24, then the deflector rod 11 is moved to the other end, so that the rotatable direction of the screw rod 7 is changed, the screw rod 7 can move downwards, the pressing plate 4 moves downwards to enable the upper clamp 23 to be contacted with the lower clamp 24 to clamp a transmission shaft, and the transmission shaft cannot move upwards due to the fact that the screw rod 7 cannot rotate when the transmission shaft is separated from the lower clamp 24 due to processing vibration, so that the stability of a fixed tool is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frock is fixed to transmission shaft, its characterized in that, including base (1), spout one (2) have been seted up to the upper end of base (1), spout one (2) interior slip cap is equipped with adjusting part (3), the upper end of adjusting part (3) is connected with clamp plate (4), one side of clamp plate (4) is connected with steering mechanism (5), clamp plate (4) with be connected with fixed subassembly (6) between base (1).

2. The transmission shaft fixing tool according to claim 1, wherein the adjusting assembly (3) comprises a screw rod (7), balls (8) and a shaft sleeve (9), the shaft sleeve (9) is embedded in the first sliding groove (2), the screw rod (7) is sleeved in the shaft sleeve (9) in a sliding manner, and the balls (8) are arranged in the screw groove of the screw rod (7) in a rolling manner.

3. The transmission shaft fixing tool according to claim 2, wherein two groups of balls (8) are arranged, the two groups of balls (8) are symmetrically arranged on the outer wall of the screw rod (7), and the two balls (8) are embedded in the shaft sleeve (9) in a rolling manner.

4. The transmission shaft fixing tool according to claim 2, wherein the steering mechanism (5) comprises a rotary table (10), a deflector rod (11), a roller (12) and an elastic component (13), the upper end of the spiral rod (7) is fixedly connected with the rotary table (10), the outer wall of the rotary table (10) is rotationally connected with the pressing plate (4) through a bearing, one side of the rotary table (10) is provided with a groove I (14), the roller (12) is connected in the groove I (14) through the elastic component (13), and the upper end of the elastic component (13) is connected with the deflector rod (11).

5. The transmission shaft fixing tool according to claim 4, wherein the elastic component (13) comprises a connecting block (15), a sliding rod (16) and a limiting block (17), the connecting block (15) is arranged in the groove I (14), the upper end of the connecting block (15) is fixedly connected with a deflector rod (11), the outer wall of the deflector rod (11) is rotationally connected with the rotary table (10) through a rotating shaft, pressure cavities (18) are formed in four corners of the connecting block (15) and the sliding rod (16) is arranged in a sealing sleeve, and one end of the sliding rod (16) away from the pressure cavities (18) is fixedly connected with the limiting block (17) and is in contact with the rotary drum (12).

6. The transmission shaft fixing tool according to claim 4, wherein a groove two (19) is formed in one side of the pressing plate (4) and is provided with the deflector rod (11), a slide groove two (20) is formed in the upper end of the groove two (19) and a clamping block (21) is arranged in a sliding sleeve, a spring (22) is fixedly connected between the clamping block (21) and the slide groove two (20), and a clamping groove matched with the clamping block (21) is formed in the deflector rod (11).

7. The transmission shaft fixing tool according to claim 6, wherein three groups of the second sliding groove (20), the clamping block (21) and the spring (22) are arranged, and the three groups of the second sliding groove (20), the clamping block (21) and the spring (22) are arranged in the second groove (19) in an annular array.

8. A transmission shaft fixing tool according to claim 1, wherein the fixing assembly (6) comprises an upper clamp (23) and a lower clamp (24), the lower clamp (24) is fixedly connected to one side of the upper end of the base (1), and the upper clamp (23) is fixedly connected to the lower end of one side of the pressing plate (4) close to the lower clamp (24).

9. The transmission shaft fixing tool according to claim 1, wherein the adjusting component (3), the fixing component (6) and the direction changing mechanism (5) are arranged in two groups, and the two groups of the adjusting component (3), the fixing component (6) and the direction changing mechanism (5) are symmetrically arranged at two ends of the base (1) and the pressing plate (4).