CN214728580U

CN214728580U - Locking mechanism for head of rotary table

Info

Publication number: CN214728580U
Application number: CN202121248023.6U
Authority: CN
Inventors: 杨晨; 詹江; 刘明东; 高雪军; 严伟; 彭恺; 魏传超
Original assignee: JIANGSU NORTH HUGUANG OPTICS ELECTRONICS CO Ltd
Current assignee: JIANGSU NORTH HUGUANG OPTICS ELECTRONICS CO Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-16
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a revolving stage head blocked mechanical system, relate to the relevant technical field of optoelectronic equipment, mounting bracket including U type structure, the turn round is installed through the pivot in the inside of mounting bracket, the inner wall of mounting bracket one side passes through blocked mechanical system and is connected with the side of turning round, blocked mechanical system includes in the inside fixed mounting panel of mounting bracket, the side of mounting panel is fixed with guide cylinder and support, the inside movable mounting of guide cylinder has the bolt, spacing stick groove has been seted up to the side of support, the stopper is installed to the inner wall at spacing stick groove both ends, support side-mounting has the motor, motor power output shaft passes through rocking arm and bolt connection, the rocking arm side is pegged graft with spacing stick groove through spacing needle, two direction stick grooves have been seted up to the guide cylinder outer wall, the outer wall of bolt passes through direction stick and direction stick groove swing joint. The device is matched with each other for use, so that the direction of the rotary head can be effectively locked, the accidental deflection and vibration of the rotary head can be effectively avoided, and the viewing and aiming accuracy of the condition outside the automobile is ensured.

Description

Locking mechanism for head of rotary table

Technical Field

The utility model relates to a relevant technical field of optoelectronic equipment specifically is a revolving stage head blocked mechanical system.

Background

With the continuous development of optoelectronic devices, the turntable is put to higher demands as one of the most important roles in optoelectronic devices.

The U-shaped turntable is applied to a vehicle for monitoring and observing a target and mainly comprises a head and a U-shaped frame; the head comprises a plurality of photoelectric devices, and can be rotated in the direction through a U-shaped frame; the U-shaped turntable is equivalent to the eyes of a driver of the vehicle body, so that the driver and an operator can accurately view the situation outside the vehicle under the condition of vehicle body protection, and the U-shaped turntable has higher requirements on the performance of the U-shaped turntable; the locking mechanism is a locking device of the U-shaped turntable in azimuth and pitch, and is used for fixing the head during non-use, a certain gap exists between the head and the U-shaped frame, and the pitch locking mechanism needs to be more reliable in structure relative to the horizontal locking mechanism.

The U-shaped rotary table is powered on and then instantaneously reaches a zero position state under the action of the motor and the coded disc, the azimuth mechanism and the pitching mechanism can move freely after the power is off, so that the U-shaped rotary table mounted on a vehicle vibrates and shakes due to the movement of the vehicle after the power is off, certain influence is caused on an optical assembly in the head, and therefore the locking mechanism capable of locking and fixing the U-shaped rotary table after the power is off is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a revolving stage head blocked mechanical system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a revolving stage head blocked mechanical system, mounting bracket including U type structure, the turn is installed through the pivot in the inside of mounting bracket, the inner wall of mounting bracket one side passes through blocked mechanical system and is connected with the side of turn, blocked mechanical system includes in the inside fixed mounting panel of mounting bracket, the side of mounting panel is fixed with guide cylinder and support, the inside movable mounting of guide cylinder has the bolt, the tip that the guide cylinder was stretched out to the bolt is connected with the side of turn, through closely laminating of bolt and turn side, can realize the fixed of turn place direction.

Spacing excellent groove has been seted up to the side of support, and the stopper is all installed to the inner wall at spacing excellent groove both ends, and the side-mounting of support has the motor, and the power output shaft of motor passes through rocking arm and bolt connection, and the side of rocking arm is pegged graft with spacing excellent groove through spacing needle, can restrict the stroke of motor.

Preferably, two guide bar grooves are opened to the outer wall of guide cylinder, and the outer wall of bolt passes through guide bar and guide bar groove swing joint, prevents that the bolt from rotating inside the guide cylinder, takes place the condition that breaks away from between guide bar and the guide groove.

Preferably, two direction stick grooves prolong the same diameter direction of guide cylinder and arrange, and two direction stick grooves all prolong the center pin direction of guide cylinder and set up, restrict the advancing direction of bolt, prevent to break away from between direction stick and the guide groove.

Preferably, one of the guide rods extends to the outer side of the guide cylinder, the side surface of the rotating arm is provided with a guide groove, the guide groove is inserted with the guide rod extending out of the guide cylinder, and the guide groove is matched with the guide rod.

Preferably, the side of the rotating arm is fixed with the limiting needle through the bracket head, the bracket head is arranged along the radial direction of the motor, the limiting rod groove is of an arc structure, the rotating arm can swing more smoothly, and the center of the arc where the limiting rod groove is located coincides with the central axis of the motor.

Preferably, the lateral wall of mounting panel seted up with bolt assorted slide opening, the second seal groove has been seted up to the inner wall of slide opening, the first seal groove has been seted up to the side of mounting panel, second seal groove and first seal groove are the ring type structure, the sealing washer has all been settled to the inside of first seal groove and second seal groove, realizes keeping apart between blocked mechanical system and the external environment, prevents that external environmental factor from influencing blocked mechanical system's normal operating.

Preferably, the side of the rotating head is provided with a slot hole matched with the bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a revolving stage head blocked mechanical system, can convert the rotation of motor into the linear motion of bolt through support head and rocking arm, and with the help of the grafting of bolt and the side slot hole of turning round, can effectively realize the fixed to the place direction of turning round, and can also carry out certain restriction to the direction of travel of rotation, so that in-process and the motor outage automobile body condition of vibration are taken place to the place direction implementation locking of turning round, the condition of vibration takes place between homoenergetic effectively to avoid turning round and the mounting bracket, guarantee to the sight of the car outer condition more accurate, simultaneously through the laminating of spacing needle and stopper, can realize autonomous control to the length of operation of motor, prevent that rocking arm torsion from too big causing the condition of separation between guide bar and the bolt to appear, can also prevent the damage of motor.

Drawings

FIG. 1 is a diagram of a mounting frame structure according to an embodiment of the present invention;

fig. 2 is a partial sectional view of a mounting bracket according to an embodiment of the present invention;

FIG. 3 is a schematic view of a locking structure according to an embodiment of the present invention;

FIG. 4 is a side view of a latching mechanism in accordance with an embodiment of the present invention;

fig. 5 is a sectional view of the guide cylinder according to the embodiment of the present invention.

In the figure: 1. a mounting frame; 101. a guide groove; 102. a limiting rod groove; 103. a guide bar slot; 2. turning the head; 201. a first seal groove; 202. a second seal groove; 3. a locking mechanism; 4. mounting a plate; 5. a guide bar; 6. a rotating arm; 7. a guide cylinder; 8. a support; 9. a stopper; 10. a motor; 11. a bolt; 12. a stent head; 13. a limit needle.

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.

Example 1

Referring to fig. 1-5, the embodiment provides a locking mechanism for a head of a turntable, which includes a mounting frame 1 having a U-shaped structure, wherein the bottom end of the mounting frame 1 is fixed to a vehicle body, the mounting frame 1 can not only realize isolation between a rotor 2 and the vehicle body and avoid direct influence of vibration on the rotor 2, but also can bear the rotor 2, thereby facilitating change of detection direction of the rotor 2.

The head 2 is installed through the pivot in the inside of mounting bracket 1, and the head 2 is that the internal integration has multiple light spot equipment among the prior art, can be applied to on-vehicle detecting, sight target, is equivalent to driver's eyes, lets driver and operator under the realization is to the circumstances of automobile body protection, the outside circumstances of accurate sight car.

The inner wall of mounting bracket 1 one side is passed through blocked mechanical system 3 and is connected with the side of turning round 2, blocked mechanical system 3 includes in the inside fixed mounting panel 4 of mounting bracket 1, the carrier of each part is fixed with the inside of mounting bracket 1 in mounting bracket 4 as blocked mechanical system 3, can make guide cylinder 7 simultaneously, support 8 and motor 10 are in the coplanar, can simplify the process that motor 10 rotated to 11 linear motion conversions of bolt, avoid having unnecessary miscellaneous structure, make structural design simple exquisite, utilize ingenious mechanism design, satisfy the unblock function.

The side of mounting panel 4 is fixed with guide cylinder 7 and support 8, and the inside movable mounting of guide cylinder 7 has bolt 11, and guide cylinder 7 plays the effect of direction to bolt 11 for bolt 11 carries out linear motion according to the direction of place of guide cylinder 7 strictly, can reduce the required time of bolt 11 entering turn round 2 side slot hole.

The end that the guide cylinder 7 is stretched out to bolt 11 is connected with the side of turning round 2, the side of turning round 2 be provided with 11 assorted slot holes of bolt, bolt 11 when going on along the direction of guide cylinder 7 place, the inside in 2 side slot holes of turning round can be inserted to its tip, through the frictional force between 11 tip of bolt and the slot hole inner wall, can realize the fixed to 2 directions of turning round.

Simultaneously, when 11 tip of bolt and the close laminating of slot hole inner wall, certain clamping-force can be exerted to turning 2 to one side of 11 tip of bolt and mounting bracket 1, borrow this and to increase the resistance that needs to overcome when turning 2 realizes certain angle and deflect, can promote turning 2 by fixed effect, when can effectively preventing the automobile body vibrations, drive turning 2 and rock.

The side of support 8 has seted up spacing stick groove 102, and stopper 9 is all installed to the inner wall at spacing stick groove 102 both ends, and when spacing needle 13 and stopper 9 laminating, motor 10 can receive the signal that has reached the maximum stroke, and then realizes the disconnection of self circuit, and motor 10 here can be FAULHABER-0816-8mm type servo motor among the prior art.

Meanwhile, the position limiter 9 can also be a photoelectric switch, and when the position limiting needle 13 touches the photoelectric switch, the position control can be realized, and the preset position can be accurately reached.

The motor 10 is installed to the side of support 8, and the power output shaft of motor 10 passes through rocking arm 6 and is connected with bolt 11, and the side of rocking arm 6 passes through spacing needle 13 and pegs graft with spacing stick groove 102, and rocking arm 6 can convert the rotation of motor 10 into the linear motion of guide bar 5 through the guide way 101 of side, and then realizes the linear motion of bolt 11.

Two guide bar grooves 103 have been seted up to the outer wall of guide cylinder 7, and the outer wall of bolt 11 passes through guide bar 5 and guide bar groove 103 swing joint, prevents that bolt 11 from when rotating, the condition that breaks away from between guide bar 5 and the guide way 101 appears to the guide bar groove 103 of guide cylinder 7 lateral wall can effectively prevent that bolt 11 from rotating in the inside of guide cylinder 7.

Two direction stick grooves 103 extend guide cylinder 7 and arrange with a diameter direction, and two direction stick grooves 103 all extend guide cylinder 7's center pin direction and set up, can prevent further that bolt 11 from taking place to rotate in guide cylinder 7's inside, make bolt 11 advance more smoothly.

One of the guide bars 5 extends to the outer side of the guide cylinder 7, the side surface of the rotating arm 6 is provided with a guide groove 101, the guide groove 101 is inserted into the guide bar 5 extending out of the guide cylinder 7, the guide groove 101 is matched with the guide bar 5, and the guide bar 5 and the guide groove 101 can slide relatively, so that the conversion from the rotation of the motor 10 to the linear motion of the plug pin 11 can be effectively realized.

The side of rocking arm 6 is fixed with spacing needle 13 through support head 12, and support head 12 prolongs the radial setting of motor 10, and spacing stick groove 102 is the arc structure, and the centre of a circle of the arc at spacing stick groove 102 place coincides with the center pin of motor 10, makes the slip of spacing needle 13 in spacing stick groove 102 inside more smooth and easy.

The lateral wall of mounting panel 4 has been seted up with bolt 11 assorted slide opening, and second seal groove 202 has been seted up to the inner wall of slide opening, and first seal groove 201 has been seted up to the side of mounting panel 4, and second seal groove 202 and first seal groove 201 are ring type structure, and the inside of first seal groove 201 and second seal groove 202 all settles and have the sealing washer.

Wherein, the inner wall that is located the inside sealing washer of second seal groove 202 is laminated with the outer wall of bolt 11, and the inner wall laminating that is located the inside sealing washer of first seal groove 201 and the cavity of mounting bracket 1 lateral wall installation blocked mechanical system 3 can realize whole blocked mechanical system 3 and external environment's isolation, prevents that external environment from causing the influence to blocked mechanical system 3's normal operating.

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 revolving stage head blocked mechanical system, includes mounting bracket (1) of U type structure, swivel (2), its characterized in that are installed through the pivot in the inside of mounting bracket (1): the inner wall of one side of the mounting rack (1) is connected with the side face of the rotary head (2) through a locking mechanism (3), the locking mechanism (3) comprises a mounting plate (4) fixed inside the mounting rack (1), the side face of the mounting plate (4) is fixed with a guide cylinder (7) and a support (8), a bolt (11) is movably mounted inside the guide cylinder (7), and the end part of the bolt (11) extending out of the guide cylinder (7) is connected with the side face of the rotary head (2);

spacing stick groove (102) have been seted up to the side of support (8), stopper (9) are all installed to the inner wall at spacing stick groove (102) both ends, motor (10) are installed to the side of support (8), the power output shaft of motor (10) passes through rocking arm (6) and is connected with bolt (11), the side of rocking arm (6) is passed through spacing needle (13) and is pegged graft with spacing stick groove (102).

2. The turntable head latching mechanism of claim 1, wherein: two guide bar grooves (103) are formed in the outer wall of the guide cylinder (7), and the outer wall of the bolt (11) is movably connected with the guide bar grooves (103) through guide bars (5).

3. The turntable head latching mechanism of claim 2, wherein: two guide rod grooves (103) are arranged along the same diameter direction of the guide cylinder (7), and two guide rod grooves (103) are formed along the central shaft direction of the guide cylinder (7).

4. The turntable head latching mechanism of claim 2, wherein: one of the guide rods (5) extends to the outer side of the guide cylinder (7), a guide groove (101) is formed in the side face of the rotating arm (6), the guide groove (101) is inserted into the guide rod (5) extending out of the guide cylinder (7), and the guide groove (101) is matched with the guide rod (5).

5. The turntable head latching mechanism of claim 1, wherein: the side of the rotating arm (6) is fixed with a limiting needle (13) through a support head (12), the support head (12) is arranged along the radial direction of the motor (10), the limiting rod groove (102) is of an arc-shaped structure, and the circle center of the arc where the limiting rod groove (102) is located coincides with the central shaft of the motor (10).

6. The turntable head latching mechanism of claim 1, wherein: the lateral wall of mounting panel (4) seted up with bolt (11) assorted slide opening, second seal groove (202) have been seted up to the inner wall of slide opening, first seal groove (201) have been seted up to the side of mounting panel (4), second seal groove (202) and first seal groove (201) are ring type structure, the inside of first seal groove (201) and second seal groove (202) all settles and have the sealing washer.

7. The turntable head latching mechanism of claim 1, wherein: the side of the rotary head (2) is provided with a slot hole matched with the bolt (11).