CN211464925U

CN211464925U - Fixing device for machining universal joint hole of transmission shaft

Info

Publication number: CN211464925U
Application number: CN201922459335.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xinghua Wanjia Machinery Co ltd
Current assignee: Xinghua Wanjia Machinery Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-11
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a fixing device for processing transmission shaft universal joint hole, including L type base, the stroke passageway has been seted up on the horizontal end upper portion of L type base, sliding connection has the socket in the stroke passageway, the bottom of socket is connected with the spur rack, the lower part of L type base rotates and is connected with the transmission pivot, the circumference lateral wall of transmission pivot is fixed to be cup jointed with straight-teeth gear and worm wheel, the meshing of straight-teeth gear upper end connects the spur rack, the right side wall of L type base rotates and is connected with the worm, the worm stretches into the one end meshing worm wheel in the L type base, the vertical end of L type base is equipped with the centre gripping subassembly; the utility model has the advantages of reasonable design, can carry out good fixed centre gripping effect to the transmission shaft, make things convenient for the drilling rod to stretch into the jig hole and carry out transmission shaft universal joint spot facing work operation.

Description

Fixing device for machining universal joint hole of transmission shaft

Technical Field

The utility model relates to a transmission shaft universal joint spot facing work equipment technical field especially relates to a fixing device for processing transmission shaft universal joint hole.

Background

The transmission shaft is a high-rotating-speed few-support rotating body, the transmission shaft is divided into a plurality of sections, the sections are connected through universal joints, the universal joints are machine parts for realizing variable-angle power transmission and are used for changing the position of the direction of a transmission axis, and parts for connecting the universal joints are universal joint holes in a shaft fork of the transmission shaft.

The main part of transmission shaft is columniform stock, because the structural feature of transmission shaft leads to when in universal joint hole course of working, the transmission shaft rocks easily and skids, and current fixing device can't carry out effectual centre gripping fixed to it, leads to universal joint hole machining precision relatively poor, leads to the condemned loss of transmission shaft yoke even, and for this reason, development a rational in infrastructure and fixed effectual universal joint hole machining fixing device is very necessary.

Disclosure of Invention

The utility model provides a fixing device for processing transmission shaft universal joint hole has the fixed effect of good centre gripping. In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a realize through following technical scheme.

The utility model provides a fixing device for processing transmission shaft universal joint hole, includes L type base, the stroke passageway has been seted up on the horizontal end upper portion of L type base, sliding connection has the socket in the stroke passageway, the bottom of socket is connected with the spur rack, the sub-unit of L type base rotates and is connected with the transmission pivot, the fixed cover of circumference lateral wall of transmission pivot has cup jointed spur gear and worm wheel, the spur rack is connected in the meshing of spur gear upper end, the right side wall of L type base rotates and is connected with the worm, the worm stretches into the one end meshing worm wheel in the L type base, the perpendicular end of L type base is equipped with the centre gripping subassembly.

Preferably, in a fixing device for processing transmission shaft universal joint hole, the centre gripping subassembly is including seting up the guide way on the perpendicular end right side wall of L type base, the guide way internal rotation is connected with first screw rod, the one end that first screw rod stretches out the guide way is connected with the rocking handle, the both ends symmetry spiro union that first screw rod is located the guide way has the nut seat, the right-hand member of nut seat is connected with splint, the jig hole has been seted up on the splint.

Preferably, in a fixing device for processing transmission shaft universal joint hole, the upper portion of the bearing seat is provided with a storage groove, the right side of the top of the bearing seat is connected with a guide rod, the guide rod is movably inserted with a pressing block, the pressing block is screwed with a second screw rod, and the lower end of the second screw rod is rotatably connected with the bearing seat through a bearing.

Preferably, in the fixing device for machining the universal joint hole of the transmission shaft, the thread directions of the two sides of the first screw rod are opposite.

Preferably, in the fixing device for machining the universal joint hole of the transmission shaft, a hand wheel is connected to the right end of the worm.

Preferably, in the fixing device for processing the universal joint hole of the transmission shaft, sliding blocks are connected to the front side and the rear side of the bearing seat, and sliding grooves matched with the sliding blocks are formed in the stroke channels.

The utility model has the advantages that:

1. the utility model has reasonable structural design, and the bearing seat moves leftwards along the travel channel by matching the worm, the worm wheel, the transmission rotating shaft, the straight gear and the straight rack, thereby fixing the front position and the rear position of the transmission shaft, avoiding the bearing seat from shaking leftwards and rightwards by utilizing the self-locking effect of the worm and the gear, and having good stability;

2. the first screw rod is rotated through the rocking handle, the guide groove performs a guiding function, so that the two groups of nut seats drive the clamping plates to be close to each other, the transmission shaft fork can be clamped and fixed, and the transmission shaft is prevented from rotating axially;

3. the second screw rod is rotated to enable the pressing block to descend along the guide rod, so that the transmission shaft can be pressed, and the vertical shaking is avoided;

to sum up, the utility model discloses can carry out good fixed centre gripping effect to the transmission shaft, make things convenient for the drilling rod to stretch into the jig hole and carry out transmission shaft universal joint spot facing work operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the overall structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment is a fixing device for processing a universal joint hole of a transmission shaft, including an L-shaped base 1, a stroke channel 2 is disposed on an upper portion of a transverse end of the L-shaped base 1, a receiving seat 3 is slidably connected in the stroke channel 2, a spur rack 4 is connected to a bottom of the receiving seat 3, a transmission rotating shaft 5 is rotatably connected to a lower portion of the L-shaped base 1, a spur gear 6 and a worm wheel 7 are fixedly sleeved on a circumferential outer side wall of the transmission rotating shaft 5, an upper end of the spur gear 6 is engaged with the spur rack 4, a right side wall of the L-shaped base 1 is rotatably connected with a worm 8, one end of the worm 8 extending into the L-shaped base 1 is engaged with the worm wheel 7, and a vertical end.

The clamping assembly 9 comprises a guide groove 901 formed in the right side wall of the vertical end of the L-shaped base 1, a first screw 902 is rotationally connected in the guide groove 901, one end, extending out of the guide groove 901, of the first screw 902 is connected with a rocking handle 903, two ends, located in the guide groove 901, of the first screw 902 are symmetrically screwed with nut seats 904, the right end of each nut seat 904 is connected with a clamping plate 905, and a drilling die hole 906 is formed in the clamping plate 905.

The upper part of the bearing seat 3 is provided with a storage groove 301, the right side of the top of the bearing seat 3 is connected with a guide rod 302, the guide rod 302 is movably inserted into a pressing block 303, the pressing block 303 is screwed with a second screw 304, and the lower end of the second screw 304 is rotatably connected with the bearing seat 3 through a bearing.

The thread directions of the two sides of the first screw 902 are opposite, and when the first screw 902 rotates, the two sets of nut seats 904 move relatively.

The right end of the worm 8 is connected with a hand wheel 801, which is convenient for rotating the worm 8.

The front side and the rear side of the bearing seat 3 are connected with sliding blocks, and sliding grooves matched with the sliding blocks are formed in the stroke channel 2, so that the bearing seat 3 can move left and right conveniently.

The utility model discloses a concrete implementation way does:

when the device is used, the shaft lever of the transmission shaft is placed in the storage groove 301 of the bearing seat 3, the worm 8 is driven to rotate through the hand wheel 801, the worm 8 is meshed with the worm wheel 7 to enable the transmission shaft 5 to rotate along with the worm, further driving the straight gear 6 to rotate, the straight gear 6 is meshed with the straight rack 4, so that the bearing seat 3 moves leftwards along the stroke channel 2, the front and back positions of the transmission shaft are fixed when the shaft fork of the transmission shaft is jointed with the right side wall of the vertical end of the L-shaped base 1, the first screw 902 is rotated through the rocking handle 903, the guide groove 901 performs a guiding function, so that the two sets of nut seats 904 drive the clamping plates 905 to approach each other, carry out the centre gripping through splint 905 to the shaft fork and fix, rotate second screw 304 for briquetting 303 descends along guide bar 302, is close to and puts thing groove 301 and suppresses the transmission shaft, avoids rocking of vertical direction, has reached good fixed effect, makes things convenient for the drilling rod to stretch into drilling along jig hole 906.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a fixing device for processing transmission shaft universal joint hole, includes L type base (1), its characterized in that: stroke passageway (2) have been seted up on the horizontal end upper portion of L type base (1), sliding connection has the bearing seat (3) in stroke passageway (2), the bottom of bearing seat (3) is connected with spur rack (4), the sub-unit of L type base (1) rotates and is connected with transmission pivot (5), the fixed cover of circumference lateral wall of transmission pivot (5) has cup jointed spur gear (6) and worm wheel (7), spur rack (4) are connected in spur gear (6) upper end meshing, the right flank wall of L type base (1) rotates and is connected with worm (8), worm (8) stretch into one end meshing worm wheel (7) in L type base (1), the perpendicular end of L type base (1) is equipped with centre gripping subassembly (9).

2. A fixture for machining a propeller shaft universal joint hole according to claim 1, wherein: the clamping assembly (9) comprises a guide groove (901) formed in the right side wall of the vertical end of the L-shaped base (1), a first screw (902) is connected in the guide groove (901) in a rotating mode, one end, extending out of the guide groove (901), of the first screw (902) is connected with a rocking handle (903), two ends, located in the guide groove (901), of the first screw (902) are symmetrically screwed with nut seats (904), the right end of each nut seat (904) is connected with a clamping plate (905), and a die drilling hole (906) is formed in each clamping plate (905).

3. A fixture for machining a propeller shaft universal joint hole according to claim 1, wherein: the article placing groove (301) is formed in the upper portion of the bearing seat (3), the guide rod (302) is connected to the right side of the top of the bearing seat (3), the guide rod (302) is movably inserted into the pressing block (303), the pressing block (303) is screwed with the second screw rod (304), and the lower end of the second screw rod (304) is connected with the bearing seat (3) in a rotating mode through a bearing.

4. A fixture for machining a propeller shaft universal joint hole according to claim 2, wherein: the thread directions of the two sides of the first screw rod (902) are opposite.

5. A fixture for machining a propeller shaft universal joint hole according to claim 1, wherein: the right end of the worm (8) is connected with a hand wheel (801).

6. A fixture for machining a propeller shaft universal joint hole according to claim 1, wherein: the front side and the rear side of the bearing seat (3) are connected with sliding blocks, and sliding grooves matched with the sliding blocks are formed in the stroke channel (2).