CN211973252U

CN211973252U - Barrier gate mechanism

Info

Publication number: CN211973252U
Application number: CN202020080344.9U
Authority: CN
Inventors: 顿孟元; 杨立新
Original assignee: Shenzhen Carsafe Technology Development Co ltd
Current assignee: Shenzhen Carsafe Technology Development Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-11-20
Anticipated expiration: 2030-01-14

Abstract

The utility model is suitable for banister technical field, the utility model provides a banister mechanism, which comprises a frame, still including locating the control structure in the frame respectively, driving motor, the speed reducer, link structure, main shaft and banister pole, banister pole and link structure are connected respectively to the main shaft both ends, the output shaft connecting rod structure of speed reducer is with drive link structure, the input of driving motor's output shaft speed reducer, driving motor electricity is connected in control structure, and can feed back its rotation angle at least to control structure, control structure can control and adjust driving motor's rotation rate and rotation angle at least according to driving motor's feedback information. The control structure controls the rotating speed and the angle of the driving motor, so that the moving speed of the barrier gate rod is kept stable; the controllable driving motor rotation angle of control structure to the motion angle or the stop position of control bar, avoid the stop position after the completion of the rotation of bar to appear the deviation with predetermineeing between the position, improve the motion or the stop precision of bar.

Description

Barrier gate mechanism

Technical Field

The utility model belongs to the technical field of the banister, more specifically say, relate to a banister mechanism.

Background

The barrier gate is also called a car stopper, is a management device specially used for a passage entrance and exit for driving vehicles on roads, is widely applied to a highway toll station and a parking lot to manage vehicle passing and is used for managing vehicle entering and exiting. The electric barrier gate can control the barrier gate rod through wireless remote control alone, and can also realize automatic management state through a parking lot management system (namely an IC card swiping management system), and the electric barrier gate can get a card to release the vehicle when entering the parking lot and automatically release the vehicle after collecting parking fee when leaving the parking lot.

The position of the lifting rod is generally controlled by a travel switch of the existing barrier, the control precision of the travel switch is poor, the barrier rod of the barrier is difficult to be precisely controlled, the consistency and the stability of the rotating speed of the barrier rod are poor, and the deviation between the stop position and the preset position is frequently generated when the angle precision is poor or the lifting is backward in the operation process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses one of the purpose of implementation lies in: the utility model provides a barrier gate mechanism, aims at solving among the prior art, the rotational speed of barrier gate bar, angle precision and the unstable technical problem in stop position.

For solving the technical problem, the embodiment of the utility model provides an adopt technical scheme is:

the barrier gate mechanism comprises a rack, and further comprises a control structure, a driving motor, a speed reducer, a connecting rod structure, a main shaft and a barrier gate rod which are arranged on the rack respectively, wherein two ends of the main shaft are connected to the barrier gate rod and the connecting rod structure respectively, an output shaft of the speed reducer is connected to the connecting rod structure to drive the connecting rod structure, an output shaft of the driving motor is connected to an input end of the speed reducer, the driving motor is electrically connected to the control structure and can feed back at least a rotation angle of the driving motor to the control structure, and the control structure can control and adjust at least the rotation speed and the rotation angle of the driving motor according to feedback information of the driving motor.

Further, driving motor is AC servo motor, the AC servo motor is equipped with the encoder in, just the encoder can detect and feed back at least AC servo motor's rotation angle, the driving motor overcoat is equipped with the protective housing.

Further, the control structure includes:

the control box is fixed on the rack;

the control board is arranged in the control box, is electrically connected with the driving motor, and can at least control and adjust the rotating speed and the rotating angle of the driving motor;

and the power panel is arranged in the control box and is electrically connected with the control panel.

Furthermore, a heat dissipation plate is further arranged in the control box, the heat dissipation plate comprises a heat dissipation substrate and heat dissipation fins arranged on the heat dissipation substrate, and the heat dissipation substrate is arranged on the power panel.

Further, the speed reducer is a planetary speed reducer.

Furthermore, the speed reducer comprises an input section and an output section which are vertically connected with each other, an output shaft of the driving motor is connected to the input section, and an output shaft of the output section is connected to the connecting rod structure.

Furthermore, a first fixing seat is arranged on the rack, a thrust bearing and a rolling bearing are respectively fixed in the first fixing seat, the speed reducer is fixed on the first fixing seat, and an output shaft of the speed reducer is sequentially sleeved on the thrust bearing and the rolling bearing.

Furthermore, the rack comprises a case and a fixed plate arranged on the case, at least two second fixed seats arranged at intervals are arranged on the fixed plate, and the main shaft is rotatably arranged on the two second fixed seats.

Further, the link structure includes:

the first crank is connected to an output shaft of the speed reducer;

one end of the connecting rod is connected with the first crank;

and the second crank is connected to the other end of the connecting rod and is also connected to the main shaft.

Further, the barrier gate mechanism further comprises a balance structure, the balance structure comprises a hanging plate and a buffer piece, the hanging plate is rotatably connected to the main shaft, one end of the buffer piece is connected to the hanging plate, and the other end of the buffer piece is connected to the rack.

The utility model provides a banister mechanism's beneficial effect lies in: compared with the prior art, the utility model discloses a set up control structure, driving motor, speed reducer, connecting rod structure, main shaft and banister pole respectively, driving motor's output shaft is in the speed reducer, and the output shaft of speed reducer is connected in connecting rod structure and can drive connecting rod structure and rotate in order to drive the main shaft to realize the rotation of banister pole. The driving motor is electrically connected to the control structure and can feed back at least the rotation angle of the driving motor to the control structure, the control structure at least controls and adjusts the rotation speed of the driving motor according to the specific feedback information of the driving motor, the stability of the rotation speed of the driving motor can be improved, and the rotation speed of the barrier gate rod can be kept stable. And the control structure can also control the rotation angle of the driving motor, when the angle deviation is greater than the preset value in the rotation process of the barrier gate rod or the deviation occurs between the stop position after the rotation and the preset position, the control structure can control the rotation angle of the driving motor, so that the adjustment of the movement angle or the stop position of the barrier gate rod is realized, the movement or stop precision of the barrier gate rod is improved, and the control and adjustment processes of the rotation angle and the rotation speed of the barrier gate rod are very flexible.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 to obtain other drawings without inventive labor.

Fig. 1 is a three-dimensional structure diagram of a barrier gate mechanism provided in an embodiment of the present invention;

fig. 2 is an exploded view of a control structure of a barrier gate mechanism according to an embodiment of the present invention;

FIG. 3 is a perspective view of the reduction gear of the barrier gate mechanism shown in FIG. 1 in cooperation with a driving motor;

FIG. 4 is a perspective view of the speed reducer-associated linkage structure of the barrier gate mechanism shown in FIG. 1;

fig. 5 is an internal structure diagram of a barrier gate mechanism according to an embodiment of the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 5.

Wherein, in the figures, the respective reference numerals:

1-a frame; 11-a chassis; 12-a fixing plate; 121-a second fixed seat; 13-a support frame; 2-a control structure; 21-a control box; 22-a control panel; 23-a power panel; 24-a heat sink; 241-a heat dissipation substrate; 242-heat dissipating fins; 3, a speed reducer; 31-an input section; 311-a third fixed seat; 32-an output section; 321-an output shaft; 322-a first fixed seat; 4-a connecting rod structure; 41-a first crank; 42-connecting rod; 43-a second crank; 5-a main shaft; 6-barrier bar; 61-a brake lever clamp; 7-a balanced structure; 71-hanging a plate; 72-a buffer; 73-a hanger; 74-a fixation bar; 8-driving the motor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 4, a barrier mechanism according to an embodiment of the present invention includes a frame 1, a control structure 2, a driving motor 8, a speed reducer 3, a link structure 4, a main shaft 5, and a barrier rod 6.

Specifically, control structure 2, driving motor 8, speed reducer 3, link structure 4, main shaft 5 and barrier gate pole 6 are located respectively on frame 1, main shaft 5 both ends are connected respectively in barrier gate pole 6 and link structure 4, the output shaft of speed reducer 3 is connected in link structure 4 with drive link structure 4, driving motor 8's output shaft is connected in speed reducer 3's input, driving motor 8 starts and after reducing speed through speed reducer 3, drive link structure 4 moves, it is rotatory to drive main shaft 5, thereby make and connect the rotation of barrier gate pole 6 on main shaft 5, realize opening or closing of barrier gate pole 6. The driving motor 8 is also electrically connected to the control structure 2, and can feed back at least its rotation angle to the control structure 2, the control structure 2 can judge the rotation speed and rotation angle of the barrier gate rod 6 according to the feedback information of the driving motor 8, according to the specific rotation speed and rotation angle of the barrier gate rod 6, the control structure 2 can control and adjust at least the rotation speed and rotation angle of the driving motor 8, thereby improving the stability and angle accuracy of the rotation speed of the barrier gate rod 6, and can also control the stop position of the barrier gate rod 6 after rotation by controlling the rotation angle of the driving motor 8.

The embodiment of the utility model provides an in, through setting up control structure 2, driving motor 8, speed reducer 3, connecting rod structure 4, main shaft 5 and barrier gate pole 6 respectively, driving motor 8's output shaft is in speed reducer 3, and speed reducer 3's output shaft is connected in connecting rod structure 4 and can drive connecting rod structure 4 and rotate in order to drive main shaft 5 to realize barrier gate pole 6's rotation. The driving motor 8 is electrically connected to the control structure 2 and can feed back at least the rotation angle thereof to the control structure 2, and the control structure 2 controls and adjusts at least the rotation speed and the rotation angle of the driving motor 8 according to the specific feedback information of the driving motor 8. Specifically, the control structure 2 can judge the rotation speed of the barrier gate rod 6 according to the rotation angle fed back by the driving motor 8, so that the rotation speed of the barrier gate rod 6 can be correspondingly adjusted, that is, the rotation speed and the angle precision of the driving motor 8 are improved, and the rotation speed of the barrier gate rod 6 can be kept consistent with a preset value. Control structure 2 can judge the rotation angle of barrier gate pole 6 according to the rotation angle of driving motor 8 feedback to can correspond the rotation angle of adjusting barrier gate pole 6, then when the deviation appears between the stop position after barrier gate pole 6 accomplishes the rotation and the preset position, control structure 2 is steerable and adjusts driving motor 8's rotation angle, thereby realizes the regulation to the stop position of barrier gate pole 6, improves the stop precision of barrier gate pole 6. In addition, the control and adjustment process of the rotation angle and the rotation speed of the barrier bar 6 in the present embodiment is very flexible.

It should be noted here that the barrier mechanism in this embodiment may be applied to manage the entry and exit of vehicles in roads, and may also be used as an advertisement barrier, and the specific use of the barrier mechanism is not limited herein.

Further, in this embodiment, the driving motor 8 is an ac servo motor, an encoder is disposed in the ac servo motor, and the encoder can at least detect and feed back a rotation angle of the ac servo motor, that is, identify and monitor the operation of the ac servo motor, and when the controller detects that the rotation angle of the encoder is abnormal, the controller can feed back corresponding information to the control structure 2, and control the rotation speed of the ac servo motor through the control structure 2. For example: when the control structure 2 detects that the load of the alternating current servo motor is too large, the control structure 2 controls the current of the alternating current servo motor to be increased, and therefore the angle precision of the alternating current servo motor can be continuously maintained. When the encoder detects that the rotation of the motor has deviation, the control structure 2 can control the alternating current servo motor to compensate the deviation, and the phenomenon that the stop position of the barrier gate rod 6 is inaccurate due to the accumulation of the deviation is avoided.

In this embodiment, the ac servo motor overcoat is equipped with the protective housing, and ac servo motor's output shaft at least part stretches out from the protective housing to connect in speed reducer 3, avoid inside and the encoder of ac servo motor to expose outside, prevent that dust or other foreign matters from getting into, improve the protection to encoder and ac servo motor, thereby can improve the precision and the life of encoder.

In the embodiment, the work of the encoder does not need to be manually adjusted, the parameters of the encoder in the alternating current servo motor are well debugged during production, the encoder can be directly used, and the operation is very convenient and portable.

Further, referring to fig. 1 and fig. 2, in the present embodiment, the control structure 2 includes a control box 21, a control board 22 and a power board 23. The control box 21 is fixed on the frame 1, the control panel 22 is arranged in the control box 21 and electrically connected to the driving motor 8, and the control panel 22 can control and adjust at least the rotation speed and the rotation angle of the driving motor 8 according to the information fed back by the encoder of the driving motor 8, so that the consistency of the rotation speed and the rotation angle of the barrier gate rod 6 with the preset value can be improved, and the accuracy of the stop position of the barrier gate rod 6 can be improved.

In this embodiment, the power board 23 is disposed on the control board 22 and electrically connected to the control board 22 for supplying power to the driving motor 8.

Further, referring to fig. 2, in the present embodiment, a heat dissipation plate 24 is further disposed in the control box 21, and the heat dissipation plate 24 is disposed on the power board 23 and is used for dissipating heat of the power board 23 and the control board 22.

Specifically, the heat dissipation plate 24 includes a heat dissipation substrate 241 and a plurality of heat dissipation fins 242, the heat dissipation substrate 241 is attached to the power board 23, and the plurality of heat dissipation fins 242 are all disposed on the heat dissipation substrate 241 to improve the heat dissipation capability, wherein the heat dissipation fins 242 and the heat dissipation substrate 241 are an integrated structure.

Further, referring to fig. 1, in the embodiment, the speed reducer 3 is a planetary speed reducer 3, the planetary speed reducer 3 is stable and reliable, the precision of the speed reducer 3 driving the connecting rod structure 4 to rotate can be improved, and the planetary speed reducer 3 further has the advantages of low noise, strong bearing capacity, long service life and the like.

Further, referring to fig. 3, in the present embodiment, the speed reducer 3 includes an input section 31 and an output section 32 connected to the input section 31, an output shaft of the driving motor 8 is connected to the input section 31, and an output shaft 321 of the output section 32 is connected to the connecting rod structure 4, so that when the driving motor 8 is started, the connecting rod structure 4 can be driven to operate through the corresponding operation of the speed reducer 3, thereby realizing the rotation of the barrier bar 6.

Specifically, in the present embodiment, the third fixing seat 311 is disposed at the input section 31, and when the output shaft of the driving motor 8 is connected to the input section 31, the driving motor 8 is fixed on the third fixing seat 311.

Further, referring to fig. 4 and fig. 5, in the embodiment, the first fixing seat 322 is disposed on the frame 1, and the speed reducer 3 is fixed on the first fixing seat 322, so as to provide a supporting force for the output shaft 321 of the speed reducer 3, and improve the load bearing capacity of the output shaft 321 of the speed reducer 3. A thrust bearing and a rolling bearing are respectively fixed in the first fixing seat 322, and an output shaft 321 of the speed reducer 3 penetrates through the first fixing seat 322 and is sequentially sleeved on the thrust bearing and the rolling bearing so as to form connection with the connecting rod structure 4. Thrust bearing and antifriction bearing's setting for offset radial and axial load on the speed reducer output shaft of banister pole transmission, the protection speed reducer increases speed reducer life, so that speed reducer 3 can bear great axial and radial load, prevents that its during operation atress from appearing warping. And the rotational stability and reliability of the output shaft 321 are enhanced, thereby indirectly improving the rotational stability and reliability of the connecting rod structure 4.

Further, referring to fig. 1 and fig. 5, in the embodiment, the frame 1 includes a chassis 11 and a fixing plate 12, the fixing plate 12 is disposed on the chassis 11, and the first fixing seat 322 is disposed on the fixing plate 12, specifically, at the bottom of the fixing plate 12, so that the speed reducer 3 and the driving motor 8 are both disposed below the fixing plate 12. The bottom of the fixed plate 12 is further provided with a support bracket 13, and the support bracket 13 is used for supporting the fixed plate 12 and improving the supporting force of the fixed plate 12.

Specifically, in the present embodiment, two support frames 13 are provided, and the two support frames 13 are provided at intervals.

Specifically, referring to fig. 5, in the embodiment, at least two second fixing seats 121 are disposed on the fixing plate 12 at intervals, rolling bearings are disposed in the second fixing seats 121, the main shaft 5 respectively penetrates through the two second fixing seats 121 and can rotate on the two second fixing seats 121 through the rolling bearings, and the second fixing seats 121 are disposed to improve the supporting force of the main shaft 5, improve the rotating stability of the main shaft 5, improve the connection strength to the barrier gate rod 6, and avoid the phenomenon that the barrier gate rod 6 rocks when the main shaft 5 rotates to drive the barrier gate rod 6 to rotate.

Further, referring to fig. 6, in the present embodiment, the connecting rod structure 4 includes a first crank 41, a first connecting rod 42 and a second connecting rod 43. Specifically, one end of the first crank 41 is connected to the output shaft 321 of the speed reducer 3 and can be driven by the speed reducer 3 to rotate, one end of the first connecting rod 42 is connected to the other end of the first crank 41 and is driven by the rotation of the first crank 41 to rotate, one end of the second connecting rod 43 is connected to the other end of the first connecting rod 42, the other end of the second connecting rod 43 is connected to one end of the main shaft 5, the second connecting rod 43 can rotate when the first connecting rod 42 rotates, so that the main shaft 5 can be driven to rotate, and the barrier gate rod 6 is connected to the other end of the main shaft 5, so that the rotation of the barrier gate rod 6 can be realized when the main.

Specifically, in the present embodiment, the first connecting rod 42 may be configured to be telescopic, so that the length of the connecting rod 42 can be adjusted, that is, the distance between the other end of the first crank 41 and one end of the second crank 43 is adjusted, and then the fine adjustment operation of the rotation angle of the main shaft 5 can be realized, and the setting can be performed according to actual requirements.

Specifically, in the present embodiment, the main shaft 5 is made of carbon steel, has good processability and strength, and has certain plasticity and toughness, and the surface of the main shaft 5 is subjected to electroplating treatment.

Specifically, in this embodiment, in order to prevent the second crank 43 from slipping between the main shaft 5 and the main shaft 5 when the main shaft 5 is driven by the second crank 43 to rotate, which would cause a loss of mechanical efficiency, the connection strength between the main shaft 5 and the second crank 43 needs to be strengthened, and the friction force between the main shaft 5 and the second crank 43 needs to be increased. Specifically, the main shaft 5 is provided with straight knurls, the main shaft 5 is locked on the second crank 43 through a screw after extending into the second crank 43, and the second crank 43 generates elastic deformation, so that the main shaft 5 is clamped. Meanwhile, because the main shaft 5 is provided with the straight knurling, compared with a smooth shaft, the straight knurling can effectively increase the friction force between the main shaft 5 and the second crank 43, prevent the slipping phenomenon caused by the untight clamping between the second crank 43 and the main shaft 5, and improve the mechanical efficiency of the rotary work of the main shaft 5 when the second crank 43 rotates.

Specifically, referring to fig. 6, in the present embodiment, the other end of the main shaft 5 is connected to the brake rod clamp 61, and the main shaft 5 is rotatably disposed on the second fixing seat 121, and is disposed in the chassis 11, and at least partially extends out of the chassis 11, and is connected to the barrier rod 6 through the brake rod clamp 61. The brake bar clamp 61 is fixed on the barrier bar 6, and when the main shaft 5 rotates, the barrier bar 6 can rotate simultaneously with the main shaft 5 by the action of the brake bar clamp 61.

Further, referring to fig. 5 and fig. 6, in the present embodiment, the barrier mechanism further includes a balance structure 7, the balance structure 7 includes a hanging plate 71 and a buffer member 72, and the buffer member 72 may be a spring, a tension spring, or other buffer members with a buffering function and capable of achieving stretching and resetting actions.

The hanging plate 71 is rotatably connected to the main shaft 5, and when the buffer member 72 is a spring, one end of the buffer member 72 is connected to the hanging plate 71, and the other end of the buffer member 72 is connected to the frame 1. When the second crank 43 rotates to drive the main shaft 5 to rotate in a certain direction, the hanging plate 71 rotates synchronously with the main shaft 5, so that the buffering member 72 can be stretched, the buffering member 72 is in a stretched state, and the spring is stretched by changing the length to generate a tensile force. Therefore, the resistance of the main shaft 5 during rotation can be increased, the danger caused by the over-high rotating speed of the barrier gate rod 6 is avoided, and meanwhile, the balance performance of the main shaft 5 during rotation is improved, so that the balance of the barrier gate rod 6 during rotation is further improved; when the second crank 43 drives the main shaft 5 to rotate in the opposite direction, the hanging plate 71 and the main shaft 5 rotate synchronously, the buffer piece 72 starts to loosen gradually from the stretched state, and then the hanging plate 71 can be reset to pop open to drive the main shaft 5 to rotate in an auxiliary manner, so that the reset operation of the barrier gate rod 6 is realized.

Specifically, in this embodiment, the hanging bracket 73 is connected to the hanging plate 71, one end of the buffer 72 is fixed to the hanging bracket 73, the fixing rod 74 is fixed between the two supporting brackets 13 on the chassis 11, the other end of the buffer 72 is fixed to the fixing rod 74, and the buffer 72 abuts between the fixing rod 74 and the hanging bracket 73.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The barrier gate mechanism comprises a rack and is characterized by further comprising a control structure, a driving motor, a speed reducer, a connecting rod structure, a main shaft and a barrier gate rod which are arranged on the rack respectively, wherein two ends of the main shaft are connected to the barrier gate rod and the connecting rod structure respectively, an output shaft of the speed reducer is connected to the connecting rod structure to drive the connecting rod structure, an output shaft of the driving motor is connected to an input end of the speed reducer, the driving motor is electrically connected to the control structure and can feed back at least a rotation angle of the driving motor to the control structure, and the control structure can control and adjust at least the rotation speed and the rotation angle of the driving motor according to feedback information of the driving motor.

2. The barrier gate mechanism according to claim 1, wherein said driving motor is an ac servo motor, said ac servo motor has an encoder therein, and said encoder can detect and feed back at least a rotation angle of said ac servo motor, and said driving motor is covered with a protective housing.

3. The barrier mechanism of claim 1 wherein said control structure comprises:

the control box is fixed on the rack;

4. The barrier gate mechanism of claim 3, wherein a heat dissipation plate is further disposed in the control box, the heat dissipation plate comprises a heat dissipation substrate and heat dissipation fins disposed on the heat dissipation substrate, and the heat dissipation substrate is disposed on the power board.

5. The barrier gate mechanism of claim 1, wherein the speed reducer is a planetary speed reducer.

6. The barrier gate mechanism according to claim 1, wherein said speed reducer comprises an input section and an output section which are connected perpendicularly to each other, an output shaft of said driving motor being connected to said input section, and an output shaft of said output section being connected to said link structure.

7. The barrier gate mechanism of claim 1, wherein a first fixing seat is disposed on the frame, a thrust bearing and a rolling bearing are respectively fixed in the first fixing seat, the speed reducer is fixed on the first fixing seat, and an output shaft of the speed reducer is sequentially sleeved on the thrust bearing and the rolling bearing.

8. The barrier gate mechanism according to any one of claims 1 to 7, wherein the frame comprises a cabinet and a fixing plate disposed on the cabinet, the fixing plate is provided with at least two second fixing seats disposed at intervals, and the spindle is rotatably disposed on the two second fixing seats.

9. The barrier mechanism of any one of claims 1 to 7 wherein said linkage arrangement comprises:

the first crank is connected to an output shaft of the speed reducer;

one end of the connecting rod is connected with the first crank;

10. The barrier mechanism according to any one of claims 1 to 7, further comprising a balance structure, wherein said balance structure comprises a hanging plate and a buffer member, said hanging plate is rotatably connected to said main shaft, one end of said buffer member is connected to said hanging plate, and the other end of said buffer member is connected to said frame.