CN213081350U

CN213081350U - Anti-reverse roller carrier

Info

Publication number: CN213081350U
Application number: CN202022086256.2U
Authority: CN
Inventors: 吴泽辉
Original assignee: Jiangsu Chi Knight Anticorrosive Technology Co ltd
Current assignee: Jiangsu Chi Knight Anticorrosive Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-30
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to an anti-reversion gyro wheel frame, including the base, be connected with the gyro wheel seat on the base, rotate on the gyro wheel seat and be connected with the gyro wheel, the both sides of gyro wheel are the ratchet of the coaxial setting of fixedly connected with respectively, fixedly connected with and ratchet one-to-one complex ratchet seat on the base rotate on the ratchet seat and be connected with a pivot that is on a parallel with the gyro wheel axial, fixed cup joint in the pivot has and corresponds ratchet complex ratchet, cup jointed the torsional spring in the pivot, torsional spring one end and ratchet seat butt, the other end and ratchet butt, the elasticity drive ratchet butt of torsional spring are on corresponding the ratchet.

Description

Anti-reverse roller carrier

Technical Field

The utility model relates to an anti-reversion gyro wheel frame.

Background

The roller frame is a common support member for supporting the large tank body, and the roller frame is driven to rotate by the roller to drive the large tank body to rotate so as to facilitate processing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a roller carrier capable of effectively preventing the tank body from reversing is provided.

In order to solve the technical problem, the utility model discloses a technical scheme is: the anti-reversion roller carrier comprises a base, wherein a roller seat is connected to the base, and a roller is rotatably connected to the roller seat.

As a preferred scheme, the ratchet seat comprises a bottom plate and two vertical plates vertically connected to the bottom plate, the two vertical plates are opposite to each other, the rotating shaft is connected to the two vertical plates, the ratchet is located between the two vertical plates, four holes are formed in the periphery of the bottom plate, four guide posts which are in one-to-one correspondence with the four holes are vertically arranged on the base, the bottom plate is sleeved on the four guide posts, and a lifting device is arranged between the bottom plate and the base and drives the bottom plate to ascend or descend.

As a preferred scheme, the lifting device is an air cylinder, and the upper end of a piston rod of the air cylinder is fixedly connected with the lower end face of the bottom plate.

As a preferred scheme, the lifting device comprises four tension springs sleeved on four guide posts in a one-to-one correspondence manner, a cam seat fixedly connected to two opposite side edges of the bottom plate, a cam rotatably connected to the cam seat, and a shifting handle fixedly connected to a cam wheel surface in a tangential direction, wherein a groove opposite to the cam is formed in the edge of the bottom plate, a rim of the cam penetrates through the groove to be abutted against the base, two ends of the tension springs are respectively connected with the base and the bottom plate, when the shifting handle swings to be abutted against the base, the bottom plate is jacked up, and when the shifting handle swings upwards, the bottom plate descends.

Preferably, the ratchet wheel on the two sides of the roller is opposite in direction.

The utility model has the advantages that: the utility model discloses a set up the ratchet in gyro wheel both sides, set up the ratchet with the ratchet one-to-one on the base to realized effectively preventing the technical target that the gyro wheel reversed.

And simultaneously, the utility model discloses further through with ratchet seat swing joint on the guide pillar, utilize elevating gear drive ratchet seat to reciprocate, realize the actual contact and the separation of ratchet and ratchet to can launch ratchet as required, prolong ratchet's life.

The utility model discloses the preferred cylinder that adopts is as elevating gear, simple structure, convenient operation.

The utility model discloses preferred adoption cam is as elevating gear, simple structure, and the energy consumption is low, easy operation.

The utility model discloses further with the reverse setting of the direction of the ratchet of gyro wheel both sides, the reversal direction that cooperation elevating gear can select the gyro wheel.

Drawings

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a sectional view A-A of FIG. 1;

fig. 3 is another schematic structural diagram of the present invention;

FIG. 4 is a cross-sectional view B-B of FIG. 3;

FIG. 5 is a specific coupling structure of the ratchet socket of FIG. 4;

in FIGS. 1 to 5: 1. the device comprises a base, 2, a roller seat, 3, a roller, 4, a ratchet wheel, 5, a ratchet seat, 501, a bottom plate, 502, a vertical plate, 6, a rotating shaft, 7, a ratchet, 8, a torsion spring, 9, a guide pillar, 10, a cylinder, 11, a tension spring, 12, a cam seat, 13, a cam, 14, a shifting handle, 15 and a groove.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to the drawings.

Example 1:

the anti-reversion roller carrier shown in fig. 1 and 2 comprises a base 1, a roller seat 2 is connected to the base 1, a roller 3 is rotatably connected to the roller seat 2, ratchet wheels 4 which are coaxially arranged are fixedly connected to two sides of the roller 3 respectively, ratchet seats 5 which are matched with the ratchet wheels 4 in a one-to-one correspondence manner are fixedly connected to the base 1, a rotating shaft 6 which is parallel to the axial direction of the roller 3 is rotatably connected to the ratchet seats 5, ratchets 7 which are matched with the corresponding ratchet wheels 4 are fixedly sleeved on the rotating shaft 6, a torsion spring 8 is sleeved on the rotating shaft 6, one end of the torsion spring 8 is abutted to the ratchet seats 5, the other end of the torsion spring is abutted to the ratchets 7, and the elastic driving ratchets 7 of the torsion.

The ratchet seat 5 comprises a bottom plate 501 and two vertical plates 502 vertically connected to the bottom plate 501, the two vertical plates 502 are opposite to each other, the rotating shaft 6 is connected to the two vertical plates 502, the ratchet 7 is located between the two vertical plates 502, four holes are formed around the bottom plate 501, four guide pillars 9 corresponding to the four holes one by one are vertically arranged on the base 1, the bottom plate 501 is sleeved on the four guide pillars 9, a lifting device is arranged between the bottom plate 501 and the base 1, the lifting device is an air cylinder 10, the upper end of a piston rod of the air cylinder 10 is fixedly connected with the lower end face of the bottom plate 501, and the bottom plate 501 is driven to ascend or descend.

In this embodiment, the directions of the ratchet wheels 4 on both sides of the roller 3 are opposite, and the piston rod of one cylinder 10 is controlled to extend, and the piston rod of one cylinder 10 retracts, so that one ratchet 7 is abutted to the ratchet wheel 4, thereby achieving the purpose of preventing the roller from reversing, and the replacement cylinder 10 extends out of the piston rod to change the anti-reversing direction of the roller.

The utility model discloses the theory of operation is: as shown in fig. 1 and 2, the two cylinders 10 work alternately, and when the piston rod of one cylinder 10 extends, the piston rod of the other cylinder 10 retracts, so that only one ratchet 7 is kept to be abutted to the corresponding ratchet 4, and the roller 3 is limited to reverse in one direction.

When the telescopic rod of the cylinder 10 retracts, the ratchet seat 5 is driven to move downwards along the guide post 9, so that the ratchet 7 is separated from the ratchet wheel 4, the non-return effect on the corresponding ratchet wheel 4 is eliminated, and when the cylinder 10 extends out, the ratchet seat 5 is driven to move upwards, so that the ratchet 7 is abutted against the ratchet wheel 4, and the non-return effect of the ratchet 7 on the corresponding ratchet wheel 4 is restored.

Example 2:

as shown in fig. 3 to 5, the anti-reverse roller frame includes a base 1, a roller seat 2 is connected to the base 1, a roller 3 is rotatably connected to the roller seat 2, ratchet wheels 4 coaxially disposed are respectively and fixedly connected to two sides of the roller 3, ratchet seats 5 correspondingly fitted to the ratchet wheels 4 one by one are fixedly connected to the base 1, a rotating shaft 6 parallel to the axial direction of the roller 3 is rotatably connected to the ratchet seats 5, ratchets 7 fitted to the corresponding ratchet wheels 4 are fixedly sleeved on the rotating shaft 6, a torsion spring 8 is sleeved on the rotating shaft 6, one end of the torsion spring 8 abuts against the ratchet seat 5, the other end of the torsion spring abuts against the ratchet 7, and the ratchet 7 is driven by elasticity of the torsion spring 8 to abut against the corresponding ratchet wheel 4.

The ratchet seat 5 comprises a bottom plate 501 and two vertical plates 502 vertically connected to the bottom plate 501, the two vertical plates 502 are opposite to each other, the rotating shaft 6 is connected to the two vertical plates 502, the ratchet 7 is located between the two vertical plates 502, four holes are formed around the bottom plate 501, four guide posts 9 corresponding to the four holes one by one are vertically arranged on the base 1, the bottom plate 501 is sleeved on the four guide posts 9, a lifting device is arranged between the bottom plate 501 and the base 1, and the lifting device drives the bottom plate 501 to ascend or descend.

In this embodiment, the lifting device includes four tension springs 11 sleeved on four guide posts 9 in a one-to-one correspondence manner, a cam seat 12 fixedly connected to two opposite side edges of the bottom plate 501, a cam 13 rotatably connected to the cam seat 12, and a shifting handle 14 fixedly connected to a wheel surface of the cam 13 in a tangential direction, a groove 15 opposite to the cam 13 is formed in an edge of the bottom plate 501, a rim of the cam 13 penetrates through the groove 15 to abut against the base 1, two ends of the tension spring 11 are respectively connected to the base 1 and the bottom plate 501, when the shifting handle 14 swings to abut against the base 1, the bottom plate 501 is jacked up, and when the shifting handle 14 swings up, the bottom plate 501 descends.

Preferably, the ratchets 4 on both sides of the roller 3 are opposite in direction.

The working principle of this embodiment is similar to that of embodiment 1, and the difference lies in the specific structure and working principle of the lifting device, different from embodiment 1, the lifting device in this embodiment can be adjusted only by manually shifting the shifting handle 14, no complicated gas circuit needs to be arranged, and no gas source needs to be provided, the structure is simpler, and the use is more convenient, as shown in fig. 5, the shifting handle 14 is pressed down to the state of abutting against the base 1, the distance from the center of the cam to the base 1 is the largest at this time, the ratchet seat 5 is jacked up, the ratchet 7 abuts against the corresponding ratchet 4 to realize the non-return effect, if the shifting handle 14 is shifted upwards, the cam 13 is rotated, the distance from the center of the cam 13 to the base 1 is reduced, under the action of the pulling force of the tension spring 11 and the gravity of the ratchet seat 5, the ratchet seat 5 is lowered, so that the ratchet 7 is separated from the ratchet 4, and the non.

In this embodiment, two ratchet teeth 7 are used alternately.

Although the directions of the ratchets 4 on both sides of the roller 3 are opposite in the embodiment, in practical use, the ratchets 4 on both sides of the roller 3 can be installed in the same direction, and at this time, the two ratchets 7 can be used simultaneously or alternatively.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. Anti-reversion roller carrier, including base (1), be connected with gyro wheel seat (2) on base (1), rotate on gyro wheel seat (2) and be connected with gyro wheel (3), its characterized in that, the both sides of gyro wheel (3) are fixedly connected with ratchet (4) of coaxial setting respectively, fixedly connected with on base (1) and ratchet (4) one-to-one complex ratchet seat (5), rotate on ratchet seat (5) and be connected with one and be on a parallel with axial pivot (6) of gyro wheel (3), fixedly cup joint on pivot (6) with correspond ratchet (4) complex ratchet (7), cup jointed torsional spring (8) on pivot (6), torsional spring (8) one end and ratchet seat (5) butt, the other end and ratchet (7) butt, the elasticity drive ratchet (7) butt of torsional spring (8) is on corresponding ratchet (4).

2. The anti-reversing roller frame according to claim 1, wherein the ratchet seat (5) comprises a bottom plate (501) and two vertical plates (502) vertically connected to the bottom plate (501), the two vertical plates (502) are opposite to each other, the rotating shaft (6) is connected to the two vertical plates (502), the ratchet (7) is located between the two vertical plates (502), four holes are formed in the periphery of the bottom plate (501), four guide posts (9) corresponding to the four holes one by one are vertically arranged on the base (1), the bottom plate (501) is sleeved on the four guide posts (9), and a lifting device is arranged between the bottom plate (501) and the base (1) and drives the bottom plate (501) to ascend or descend.

3. The anti-reversing roller frame according to claim 2, wherein the lifting device is a cylinder (10), and the upper end of a piston rod of the cylinder (10) is fixedly connected with the lower end face of the bottom plate (501).

4. The anti-reversing roller frame according to claim 2, wherein the lifting device comprises four tension springs (11) sleeved on four guide posts (9) in a one-to-one correspondence manner, cam seats (12) fixedly connected to two opposite side edges of the bottom plate (501), cams (13) rotatably connected to the cam seats (12), and shifting handles (14) fixedly connected to the wheel surfaces of the cams (13) in a tangential direction, grooves (15) opposite to the cams (13) are formed in the edges of the bottom plate (501), the wheel edges of the cams (13) penetrate through the grooves (15) to abut against the base (1), two ends of each tension spring (11) are respectively connected with the base (1) and the bottom plate (501), when the shifting handles (14) swing to abut against the base (1), the bottom plate (501) is jacked up, and when the shifting handles (14) swing upwards, the bottom plate (501) descends.

5. Anti-reversing roller frame according to claim 3 or 4, characterized in that the ratchets (4) on both sides of the roller (3) are in opposite directions.