CN210712652U

CN210712652U - Electric railing machine without tension spring

Info

Publication number: CN210712652U
Application number: CN201921343090.9U
Authority: CN
Inventors: 智卫; 李明
Original assignee: Shijiazhuang Union & Creative Technology Co ltd
Current assignee: Shijiazhuang Union & Creative Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-09
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses an electronic railing machine of no extension spring belongs to road equipment technical field, including quick-witted case and railing arm, its characterized in that: the top plate of the case is limited in rotation by a main shaft connected with the barrier arm, a servo motor is fixed below the top plate, a transmission assembly is arranged between an output shaft of the servo motor and the main shaft, and the transmission assembly comprises a crank fixed on the output shaft of the servo motor, a rocker fixed at one end of the main shaft and a connecting rod, wherein the two ends of the connecting rod are respectively hinged with the crank and the rocker. The utility model has the advantages that: 1. the servo motor is adopted for driving, the torque is large, the response speed is high, the closed-loop control of the position, the speed and the moment is realized, and the problem of step loss of the stepping motor is solved; 2. the guardrail machine is free of tension springs and supporting supports, so that the noise generated by size friction, impact, tension spring deformation and the like in the moving process of the guardrail machine is greatly reduced, and the service life of the guardrail machine is remarkably prolonged.

Description

Electric railing machine without tension spring

Technical Field

The utility model belongs to the technical field of road equipment, concretely relates to electronic railing machine of no extension spring.

Background

The traditional electric railing machine adopts a pull rod and a tension spring to balance the gravity torque of the railing; the railing is at the swing in-process, and the gravity moment of torsion is the sinusoidal variation, and the extension spring is irregular change through the pulling force moment of torsion that the pull rod produced, leads to gravity moment of torsion and the unable accurate balance of extension spring moment of torsion to lead to driving motor to export the moment of torsion unbalance at the operation in-process, influence complete machine operating performance. And the mode of connecting rod with the extension spring, occupation space is great for railing machine itself volume increase.

The applicant previously applied a torsion spring type electric railing machine (application number: 201510647433.0), which can simplify the structure by distributing the railing and the torsion spring at the two ends of the output end of the reduction box and adjusting the torque of the torsion spring by means of a limiting device. But because of the existence of the spring, damage is inevitably generated during the use process, thereby causing the failure of the equipment.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide an electric barrier machine, through adopting servo motor and supporting drive assembly, realize the vertical rise and fall of barrier arm, need not set up extension spring and supporting support, simplified the structure of barrier machine, also greatly reduced current barrier machine at the noise that rises and falls in-process extension spring deformation and produce.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a no extension spring's electronic barrier machine, includes quick-witted case and railing arm, and the key lies in: the top plate of the case is limited in rotation by a main shaft connected with the barrier arm, a servo motor is fixed below the top plate, a transmission assembly is arranged between an output shaft of the servo motor and the main shaft, and the transmission assembly comprises a crank fixed on the output shaft of the servo motor, a rocker fixed at one end of the main shaft and a connecting rod, wherein the two ends of the connecting rod are respectively hinged with the crank and the rocker.

Furthermore, two bearing seats are arranged on the top plate, and the main shaft is limited on the top plate by means of the bearing seats and matched bearings in a rotating mode.

Furthermore, hinged bearings which are limited in the connecting rod by means of retaining rings are arranged at two ends of the connecting rod, gaskets which are matched with inner rings of the hinged bearings are arranged between the crank and the connecting rod and between the rocker and the connecting rod, and the connecting rod is hinged with the rocker or the crank by means of a hinged bolt which penetrates through the inner rings and the gaskets of the hinged bearings and is in threaded connection with the rocker or the crank.

Furthermore, the barrier arm is limited in a groove-shaped clamping plate, and one end of the main shaft is provided with a connecting flange connected with the groove-shaped clamping plate.

Furthermore, a connecting rod is arranged in the groove-shaped clamping plate, one end of the connecting rod is hinged to the groove-shaped clamping plate, the other end of the connecting rod is limited in the groove-shaped clamping plate by means of two oppositely arranged clamping head fixing blocks, and the barrier rod arm is sleeved at the limiting end of the connecting rod.

Furthermore, be equipped with the connecting rod in the flute profile splint, the one end of connecting rod articulates on the flute profile splint, the other end is spacing with the help of spacing subassembly in the flute profile splint, the railing arm suit is in the spacing end of connecting rod, spacing subassembly including articulate limiting plate on the flute profile splint, fix adapter sleeve on the flute profile splint, be located in the adapter sleeve and with the middle drive block, the pressure spring that the link of limiting plate links to each other and with adapter sleeve threaded connection's application of force bolt.

Furthermore, a connecting rod is hinged in the groove-shaped clamping plate, and the railing arm is sleeved at the free end of the connecting rod.

The utility model has the advantages that: 1. the servo motor is adopted for driving, the torque is large, the response speed is high, the closed-loop control of the position, the speed and the moment is realized, and the problem of step loss of the stepping motor is solved; 2. the guardrail machine is free of tension springs and supporting brackets, so that noise generated by size friction, impact, tension spring deformation and the like in the moving process of the guardrail machine is greatly reduced, and the service life of the guardrail machine is obviously prolonged; 3. the bolt directly penetrates through the bearing and is in threaded connection with the rocker or the crank to form a hinged structure, so that the device is simple and convenient; 4. the damage degree of the barrier arm during collision can be effectively reduced by designing the buffer spring and the limiting assembly; 5. the tension spring in the prior railing machine is omitted, the structure of the railing machine is simplified, and the cost is reduced.

The present invention will be described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of the tension spring-free electric barrier machine of the present invention;

FIG. 2 is a schematic view of the internal structure of the tension-spring-free electric barrier machine of the present invention;

FIG. 3 is a schematic view of the connection of the transmission assembly of the tension spring-free electric railing machine according to the present invention;

FIG. 4 is a schematic view of the connection between the connecting rod and the crank and the rocker of the tension spring-free electric railing machine of the present invention;

fig. 5 is a schematic structural view of a first embodiment of the connection of the lever arm trough-shaped clamping plate in the tension spring-free electric lever machine of the invention;

fig. 6 is a schematic structural view of a second embodiment of the tension spring-free electric railing machine connecting the railing arm trough-shaped clamping plate.

In the drawings: the device comprises a chassis 1, a top plate 1-1, a railing arm 2, a main shaft 3, a servo motor 4, a crank 5, a connecting rod 6, a rocker 7, a bearing seat 8, a retainer ring 9, a hinge bearing 10, a gasket 11, a slotted clamp plate 12, a connecting flange 13, a connecting rod 14, a hinge bolt 15, a protective cover 16, a controller 17, a chuck fixing block 18, a buffer spring 19, a limiting plate 20, a connecting sleeve 21, an intermediate transmission block 22 and a force application bolt 23.

Detailed Description

Referring to the accompanying

drawings

1 and 2, the utility model provides an electric barrier machine without extension spring, including quick-witted case 1 and railing arm 2, the key lies in: a main shaft 3 connected with a barrier arm 2 is limited in rotation of a top plate 1-1 of a case 1, a servo motor 4 is fixed below the top plate 1-1, a transmission assembly is arranged between an output shaft of the servo motor 4 and the main shaft 3, and the transmission assembly comprises a crank 5 fixed on the output shaft of the servo motor 4, a rocker 7 fixed at one end of the main shaft 3 and a connecting rod 6, wherein two ends of the connecting rod are respectively hinged with the crank 5 and the rocker 7. A protective cover 16 is provided on top of the cabinet 1 to protect the spindle 3 and the transmission assembly. The lifting of the railing arm 2 in the vertical direction is realized through the transmission assembly and the main shaft by utilizing the characteristics of large torque and quick response of the servo motor 4.

Referring to fig. 3 and 4, two bearing seats 8 are arranged on the top plate 1-1, and the main shaft 3 is limited on the top plate 1-1 by the bearing seats 8 and the matched bearings in a rotating way. Hinged bearings 10 which are limited in the connecting rod 6 by the aid of retaining rings 9 are arranged at two ends of the connecting rod 6, and gaskets 11 which are matched with inner rings of the hinged bearings 10 are arranged between the crank 5 and the connecting rod 6 and between the rocker 7 and the connecting rod 6. Two matched hinge bolts 15 penetrate through the inner ring of the hinge bearing 10 and the washer 11 and are in threaded connection with the rocker 7 and the crank 5 to realize the hinge connection of the connecting rod 6 and the rocker 7 and the hinge connection of the connecting rod 6 and the crank 5.

Referring to fig. 3 and 5, the boom arm 2 is retained within a channel clamp 12 and a connecting flange 13 is provided at one end of the main shaft 3 to connect to the channel clamp 12.

The first embodiment of the connection of the railing arm groove-shaped clamping plate is as follows:

referring to fig. 5, in the present embodiment, a connecting rod 14 is disposed in the trough-shaped clamping plate 12, one end of the connecting rod 14 is hinged to the trough-shaped clamping plate 12, the other end of the connecting rod 14 is limited in the trough-shaped clamping plate 12 by two oppositely disposed clamping head fixing blocks 18, and the railing arm 2 is sleeved on the limited end of the connecting rod 14. The chuck fixing block 18 is limited on the groove-shaped clamping plate 12 through a bolt. The end of the clamping head fixing block 18 close to the notch of the groove-shaped clamping plate 12 is provided with a bulge for limiting the connecting rod 14.

The second embodiment of the connecting way of the railing arm trough-shaped clamping plate is as follows:

referring to fig. 6, in contrast to the first embodiment, in the present embodiment the other end of the connecting rod 14 is retained within the channel clamp 12 by a retaining assembly.

The limiting component comprises a limiting plate 20 hinged on the groove-shaped clamping plate 12, a connecting sleeve 21 fixed on the groove-shaped clamping plate 12, an intermediate transmission block 22 positioned in the connecting sleeve 21 and connected with the connecting end of the limiting plate 20, a pressure spring and a force application bolt 23 in threaded connection with the connecting sleeve 21. The limiting assemblies are respectively provided with a group at the top and the bottom of the groove-shaped clamping plate 12.

The compression degree of the compression spring in the connecting sleeve 21 can be adjusted through the distance between the force application bolt 23 and the connecting sleeve 21 in threaded connection, so that the force applied by the middle transmission block 22 to the connecting end of the limiting plate 20 is adjusted, and the limiting force applied by the limiting end of the limiting plate 20, which is positioned in the groove of the groove-shaped clamping plate 12, to the connecting rod 14 is adjusted.

In both embodiments above, a buffer spring 19 may also be provided between the boom arm 2 and the connecting rod 14 for further reducing and minimizing damage in the event of an accidental impact to the boom arm 2.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a no extension spring's electronic barrier machine, includes quick-witted case (1) and railing arm (2), its characterized in that: a main shaft (3) connected with the barrier arm (2) is arranged at the rotation limit of a top plate (1-1) of the case (1), a servo motor (4) is fixed below the top plate (1-1), a transmission assembly is arranged between an output shaft of the servo motor (4) and the main shaft (3), and the transmission assembly comprises a crank (5) fixed on the output shaft of the servo motor (4), a rocker (7) fixed at one end of the main shaft (3) and a connecting rod (6) with two ends hinged to the crank (5) and the rocker (7).

2. The tension spring-free electric railing machine as recited in claim 1, wherein: two bearing seats (8) are arranged on the top plate (1-1), and the main shaft (3) is limited on the top plate (1-1) in a rotating mode through the bearing seats (8) and matched bearings.

3. The tension spring-free electric railing machine as recited in claim 1, wherein: hinged bearings (10) limited in the connecting rod (6) by means of retaining rings (9) are arranged at two ends of the connecting rod (6), gaskets (11) matched with inner rings of the hinged bearings (10) are arranged among the crank (5), the connecting rod (6), the rocker (7) and the connecting rod (6), and the connecting rod (6) is hinged with the rocker (7) and the crank (5) by means of a hinged bolt (15) which penetrates through the inner ring of the hinged bearing (10) and the gasket (11) and is in threaded connection with the rocker (7) or the crank (5).

4. The tension spring-free electric barrier machine as claimed in any one of claims 1 to 3, wherein: the railing arm (2) is limited in a groove-shaped clamping plate (12), and one end of the main shaft (3) is provided with a connecting flange (13) connected with the groove-shaped clamping plate (12).

5. The tension spring-free electric railing machine as recited in claim 4, wherein: a connecting rod (14) is arranged in the groove-shaped clamping plate (12), one end of the connecting rod (14) is hinged to the groove-shaped clamping plate (12), the other end of the connecting rod (14) is limited in the groove-shaped clamping plate (12) through two oppositely arranged clamping head fixing blocks (18), and the railing arm (2) is sleeved at the limiting end of the connecting rod (14).

6. The tension spring-free electric railing machine as recited in claim 4, wherein: a connecting rod (14) is arranged in the groove-shaped clamping plate (12), one end of the connecting rod (14) is hinged on the groove-shaped clamping plate (12), the other end of the connecting rod (14) is limited in the groove-shaped clamping plate (12) by a limiting component, the railing arm (2) is sleeved at the limiting end of the connecting rod (14),

the limiting assembly comprises a limiting plate (20) hinged to the groove-shaped clamping plate (12), a connecting sleeve (21) fixed to the groove-shaped clamping plate (12), a middle transmission block (22) located in the connecting sleeve (21) and connected with the connecting end of the limiting plate (20), a pressure spring and a force application bolt (23) in threaded connection with the connecting sleeve (21).

7. The tension spring-free electric barrier machine as claimed in claim 5 or 6, wherein: a buffer spring (19) is arranged between the lever arm (2) and the connecting rod (14).