CN214404626U

CN214404626U - Shockproof noise-reduction tractor shuttle synchronizer speed changing box

Info

Publication number: CN214404626U
Application number: CN202022912595.1U
Authority: CN
Inventors: 何本益; 黄振; 饶杰
Original assignee: WENLING MINGHUA GEAR CO Ltd
Current assignee: WENLING MINGHUA GEAR CO Ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-15
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to the technical field of speed changers, and discloses a shock-proof noise-reducing tractor shuttle synchronizer speed changing box, wherein two positioning grooves are arranged in a mounting groove, fixing devices are respectively arranged in the two positioning grooves, a clamping block corresponding to the fixing devices is fixedly arranged on the outer wall of a speed changer, two buffer grooves are arranged at the lower end of the inner wall of the mounting groove, a magnet II is arranged in the buffer groove, a clamping groove is arranged at the position of the lower wall surface of the buffer groove corresponding to the magnet II, and a rubber pad is fixedly arranged on the magnet II, in the utility model, when the tractor vibrates in operation, the speed changer is mutually matched with the fixed block and the rubber pad in the housing, when the speed changer is impacted in any direction, the corresponding impact force can be buffered by the two fixed blocks and the rubber pad, thereby the impact force received by the speed changer is reduced, and the aim of reducing the vibration is achieved, the problem that the service life of the workpiece in the transmission is shortened due to the fact that the transmission is subjected to large impact force is avoided.

Description

Shockproof noise-reduction tractor shuttle synchronizer speed changing box

Technical Field

The utility model relates to a derailleur technical field specifically is a tractor shuttle synchronizer speed changing box of making an uproar falls in taking precautions against earthquakes.

Background

The speed variator is a mechanism for changing the rotation speed and torque from engine, it can change the transmission ratio of output shaft and input shaft by fixing or stepping, also called speed variator, and the speed variator is composed of speed-changing transmission mechanism and control mechanism, some automobiles also have power output mechanism, the transmission mechanism is mostly driven by common gear, also can be driven by planetary gear, the common gear transmission speed-changing mechanism is generally driven by sliding gear and synchronizer, etc. in the fittings of tractor, the existent speed variator needs to be fixed on the ground disk by various parts, and the speed-changing workpiece in the speed variator is easy to be impacted by larger impact force when in use, so that it can shorten the service life of the speed-changing workpiece.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a tractor shuttle synchronizer speed changing box of making an uproar falls in taking precautions against earthquakes possesses advantages such as buffer capacity, reduction vibrations.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tractor shuttle synchronizer speed changing box of making an uproar falls in taking precautions against earthquakes, includes the shell, the mounting groove has been seted up on the shell, movable mounting has the derailleur in the mounting groove, seted up two constant head tanks in the mounting groove, two the inside of constant head tank all is provided with fixing device, the spout has all been seted up to the inside left and right sides lateral wall face of constant head tank, the outer wall fixed mounting of derailleur has the fixture block that corresponds with fixing device, two dashpots have been seted up to the inner wall lower extreme of mounting groove, the inside bottom surface fixed mounting of dashpot has magnet one, the inside of dashpot is provided with magnet two, the draw-in groove has been seted up to the lower wall face of dashpot corresponding magnet two position, fixed mounting has the rubber pad on magnet two.

Preferably, the fixing means comprises: fixed block, slider, spacing groove and spring, the slider has two, two slider fixed mounting is in the left and right sides of fixed block, two the rear end fixed mounting of slider has the spring, the spacing groove has been seted up on the fixed block.

Preferably, the sliding block is movably clamped with the sliding groove, the spring is fixedly connected with the sliding groove, and the fixed block is movably clamped with the clamping block.

Preferably, the second magnet is formed by combining a magnetic block and an arc-shaped block, and the arc-shaped block at the lower end of the second magnet is movably clamped with the clamping groove.

Preferably, the first magnet and the second magnet repel each other magnetically.

Preferably, the rubber pad is attached to the outer circular wall surface of the transmission.

(III) advantageous effects

Compared with the prior art, the utility model provides a tractor shuttle synchronizer speed changing box of making an uproar falls in taking precautions against earthquakes possesses following beneficial effect:

the utility model provides a, this tractor shuttle synchronizer speed changing box of making an uproar falls takes precautions against earthquakes, through having set up fixed block and rubber pad, when the tractor produces vibrations in service, the derailleur is in the inside of shell under fixed block and rubber pad are mutually supported, the derailleur is when receiving the impact force of arbitrary direction, all can be fallen corresponding impact force by two fixed blocks and rubber pad buffering, thereby make the impact force that the derailleur received diminish, reach and reduce vibrations, avoid the derailleur to receive great impact force and lead to the problem that the inside work piece life of derailleur contracts the end.

Two, this tractor shuttle synchronizer speed changing box of making an uproar falls takes precautions against earthquakes, through having set up the fixture block, the fixed block, slider and spring, at the fixture block, the fixed block, under the cooperation of slider and spring, when placing into the shell with the derailleur, fixture block on the derailleur is laminated mutually with spacing groove and the fixed block is in the same place, when the fixture block is blocked with the fixed block, extrude the fixed block to the inside of constant head tank, the fixed block drives the slider to press to the spring in the inside of spout when sliding to constant head tank inside, under the elastic force effect of spring, the spring extrudees the slider to the opposite direction, drive the fixed block and press to the fixture block, block through two fixture blocks and fixed block, fix the inside at the shell with the derailleur, reach the effect that reduces the impact force that the derailleur received in the inside of shell.

Third, this tractor shuttle synchronizer speed changing box of making an uproar falls takes precautions against earthquakes, through having set up the rubber pad, the rubber pad has certain elasticity, when the derailleur was installed in the inside of shell, the lower extreme of derailleur and two rubber pads that the shell is inside to laminate mutually, and the derailleur is when installing into the shell inside, extrudees two rubber pads to the inside of dashpot, under the magnetic action of magnet one and magnet two, thereby magnet one and magnet two repel each other and press the rubber pad to the derailleur to reach absorbing effect.

Drawings

FIG. 1 is a schematic view of the internal structure of the middle housing of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a sectional view of the middle housing of the present invention.

In the figure: the device comprises a shell 1, a speed changer 2, a mounting groove 3, a positioning groove 4, a sliding groove 5, a fixing device 6, a fixing block 7, a sliding block 8, a limiting groove 9, a spring 10, a clamping block 11, a buffer groove 12, a magnet I13, a magnet II 14, a rubber pad 15 and a clamping groove 16.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, a tractor shuttle synchronizer speed changing box of making an uproar falls in taking precautions against earthquakes, includes shell 1, has seted up mounting groove 3 on the shell 1, and movable mounting has derailleur 2 in the mounting groove 3, and derailleur 2 is current structure, and the no longer repeated description here, has seted up two constant head tanks 4 in the mounting groove 3, and constant head tank 4 is the arc wall, and the inside of two constant head tanks 4 all is provided with fixing device 6, and fixing device 6 includes: the transmission device comprises a fixed block 7, slide blocks 8, limiting grooves 9 and springs 10, wherein the slide blocks 8 are two, the slide blocks 8 are of rectangular structures, the two slide blocks 8 are fixedly arranged on the left side and the right side of the fixed block 7, the fixed block 7 is of an arc structure, the slide blocks 8 are movably clamped with slide grooves 5, the springs 10 are fixedly arranged at the rear ends of the two slide blocks 8, the springs 10 are fixedly connected with the slide grooves 5, the fixed block 7 is provided with the limiting grooves 9, the limiting grooves 9 are triangular grooves, the slide grooves 5 are respectively arranged on the left side wall surface and the right side wall surface inside a positioning groove 4, the slide grooves 5 are rectangular grooves, the outer wall of the transmission 2 is fixedly provided with clamping blocks 11 corresponding to fixing devices 6, the clamping blocks 11 are of triangular structures, the fixed block 7 and the clamping blocks 11 are movably clamped together, when the transmission 2 is placed into a shell 1, the clamping blocks 11 on the transmission 2 are attached to the limiting grooves 9 and clamped with the fixed block 7, and when the clamping blocks 11 are clamped with the fixed block 7, the fixing block 7 is extruded towards the inside of the positioning groove 4, the fixing block 7 drives the sliding block 8 to press the spring 10 in the sliding groove 5 when sliding towards the inside of the positioning groove 4, the spring 10 presses the sliding block 8 in the opposite direction under the elastic force of the spring 10 to drive the fixing block 7 to press the clamping block 11, the transmission 2 is fixed inside the shell 1 through the clamping of the two clamping blocks 11 and the fixing block 7, and simultaneously when the transmission 2 is subjected to impact force in the shell 1, under the buffer action of the two fixing blocks 7, the problem that the transmission workpiece inside the transmission 2 is easily damaged and the service life of the transmission workpiece is influenced is solved, two buffer grooves 12 are formed in the lower end of the inner wall of the mounting groove 3, the buffer grooves 12 are arc-shaped grooves, a magnet first 13 is fixedly mounted on the inner bottom surface of the buffer grooves 12, the magnet first 13 is of an existing structure, and is not described herein, and a magnet second 14 is arranged inside the buffer groove 12, the second magnet 14 is of a conventional structure, which is not described herein, the second magnet 14 is formed by combining a magnetic block and an arc-shaped block, the first magnet 13 and the second magnet 14 are magnetically repulsive, a clamping groove 16 is formed in a position, corresponding to the second magnet 14, of the lower wall surface of the buffer groove 12, the arc-shaped block at the lower end of the second magnet 14 is movably clamped with the clamping groove 16, a rubber pad 15 is fixedly mounted on the second magnet 14, the rubber pad 15 is of an arc-shaped structure, the rubber pad 15 is attached to the outer circular wall surface of the transmission 2, when the transmission 2 is mounted inside the housing 1, the lower end of the transmission 2 is attached to two rubber pads 15 arranged inside the housing 1, when the transmission 2 is mounted inside the housing 1, the two rubber pads 15 are extruded into the buffer groove 12, under the magnetic action of the first magnet 13 and the second magnet 14, the first magnet 13 and the second magnet 14 repel each other so as to press the rubber pads 15 to the transmission 2, rubber pad 15 is the rubber material simultaneously, certain elasticity has, when the tractor produces vibrations in service, derailleur 2 is under fixed block 7 and rubber pad 15 are mutually supported in the inside of shell 1, derailleur 2 is when receiving the impact force of arbitrary direction, all can be fallen corresponding impact force by two fixed blocks 7 and the buffering of rubber pad 15 to make the impact force that derailleur 2 received diminish, reach and reduce vibrations, avoid derailleur 2 to receive great impact force and lead to 2 inside work pieces of derailleur life to contract the problem of end.

When the speed changer 2 is placed in the shell 1, the fixture block 11 on the speed changer 2 is attached to the limiting groove 9 and is clamped with the fixture block 7, when the fixture block 11 is clamped with the fixture block 7, the fixture block 7 is extruded towards the inside of the positioning groove 4, the fixture block 7 drives the slider 8 to press the spring 10 in the sliding groove 5 when sliding towards the inside of the positioning groove 4, under the elastic force action of the spring 10, the spring 10 extrudes the slider 8 towards the reverse direction and drives the fixture block 7 to press towards the fixture block 11, the speed changer 2 is fixed in the shell 1 through the clamping of the two fixture blocks 11 and the fixture block 7, and simultaneously, when the speed changer 2 is subjected to impact force in the shell 1, under the buffer action of the two fixture blocks 7, the problem that the speed changing workpiece in the speed changer 2 is easily damaged and the service life is influenced is avoided, when the speed changer 2 is installed in the shell 1, the lower end of the speed changer 2 is attached to the two rubber pads 15 arranged in the shell 1, derailleur 2 is when installing into shell 1 inside, extrude two rubber pads 15 to the inside of dashpot 12, under magnet 13 and magnet two 14 magnetic action, thereby magnet 13 and magnet two 14 repulsion each other press rubber pad 15 to derailleur 2, rubber pad 15 is rubber materials simultaneously, certain elasticity has, when the tractor is in service produces vibrations, derailleur 2 is under fixed block 7 and rubber pad 15 are mutually supported in the inside of shell 1, derailleur 2 is when receiving arbitrary direction's impact force, can all be fallen corresponding impact force by two fixed blocks 7 and the buffering of rubber pad 15, thereby make the impact force that derailleur 2 received diminish, reach and reduce vibrations, avoid derailleur 2 to receive the problem that great impact force leads to 2 inside work piece life of derailleur to contract the end.

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

Claims

1. The utility model provides a tractor shuttle synchronizer speed changing box of making an uproar falls in taking precautions against earthquakes, includes shell (1), mounting groove (3) have been seted up on shell (1), movable mounting has derailleur (2) in mounting groove (3), seted up two constant head tanks (4) in mounting groove (3), its characterized in that: two the inside of constant head tank (4) all is provided with fixing device (6), spout (5) have all been seted up to the inside left and right sides lateral wall face of constant head tank (4), the outer wall fixed mounting of derailleur (2) has fixture block (11) that correspond with fixing device (6), two dashpots (12) have been seted up to the inner wall lower extreme of mounting groove (3), the inside bottom surface fixed mounting of dashpot (12) has magnet (13), the inside of dashpot (12) is provided with magnet two (14), draw-in groove (16) have been seted up to the position that the lower wall face of dashpot (12) corresponds magnet two (14), fixed mounting has rubber pad (15) on magnet two (14).

2. The shock and noise reduction tractor shuttle synchronizer gearbox of claim 1, wherein: the fixing device (6) comprises: fixed block (7), slider (8), spacing groove (9) and spring (10), slider (8) have two, two slider (8) fixed mounting is in the left and right sides of fixed block (7), two the rear end fixed mounting of slider (8) has spring (10), spacing groove (9) have been seted up on fixed block (7).

3. The shock and noise reduction tractor shuttle synchronizer gearbox of claim 2, wherein: slider (8) and spout (5) activity joint are in the same place, spring (10) and spout (5) fixed connection are in the same place, fixed block (7) and fixture block (11) activity joint are in the same place.

4. The shock and noise reduction tractor shuttle synchronizer gearbox of claim 1, wherein: the second magnet (14) is formed by combining a magnetic block and an arc-shaped block, and the arc-shaped block at the lower end of the second magnet (14) is movably clamped with the clamping groove (16).

5. The shock and noise reduction tractor shuttle synchronizer gearbox of claim 1, wherein: the first magnet (13) and the second magnet (14) are magnetically repulsive.

6. The shock and noise reduction tractor shuttle synchronizer gearbox of claim 1, wherein: the rubber pad (15) is attached to the outer circle wall surface of the transmission (2).