Hoop type angle-adjustable device

Abstract

The hoop type angle adjustable device comprises a main machine and a brake bar, the main machine drives the brake bar to swing up and down through a swing crank arm, a swing rod shaft is connected between the swing crank arm and the brake bar, and the two ends of the swing rod shaft are inserted into shaft holes of the swing crank arm or shaft holes in the brake bar respectively. An adjustable structure is arranged between the swing crank arm and the swing rod shaft or / and between the swing rod shaft and the brake bar; the adjustable structure comprises at least one adjusting screw hole eccentrically formed in the shaft hole wall, the adjusting screw hole penetrates through the shaft hole wall, an adjusting screw rod is arranged in the adjusting screw hole in a threaded mode, the adjusting screw rod is rotated to eccentrically abut against the swing rod shaft, and therefore the swing crank arm and the swing rod shaft or / and the swing rod shaft and the brake bar rotate relatively. The device has the advantage that the brake bar can be prevented from falling off while being adjusted to be horizontal.

Description

Technical Field

[0001] The invention relates to the field of mechanical transmission, in particular to a hoop-type angle-adjustable device capable of adjusting the horizontal angle of a gate rod. Background Art

[0002] The length of the gate rod varies depending on the use environment (the longest is up to 8m). The gate rod is heavy and slender, and may bend and sag after installation. In addition, due to the influence of processing accuracy, the crank arm connecting rod mechanism is limited by the space of the outer chassis. The larger the length ratio of the gate rod to the swing crank arm, the greater the angle error will be. In actual installation, refer to Figure 1 To achieve a generally horizontal barrier lever 1a, the angle between the lever 1a and the swing arm 3a must be adjusted. A common solution involves a purely clamp-type (keyless) connection between the swing arm shaft 5a and the swing arm 3a. This approach has the disadvantages of a wide range of angle adjustment, lacking a basic reference angle between the lever 1a and the swing arm 3a during assembly, and requiring significant time and effort for installation and commissioning. Furthermore, the keyless clamp-type connection poses safety risks, and the purely clamp-type structure can easily loosen, causing the lever to fall to the ground. Summary of the Invention

[0003] In order to solve the above problems, the present invention aims to provide a hoop-type angle-adjustable device capable of adjusting the horizontal angle of a gate rod.

[0004] The present invention is achieved through the following technical measures: a hoop-type angle-adjustable device, comprising a main unit and a gate rod, wherein the main unit drives the gate rod to swing up and down through a swinging crank arm, a rocker arm shaft is connected between the swinging crank arm and the gate rod, and the two ends of the rocker arm shaft are respectively inserted into the axial hole of the swinging crank arm or the axial hole on the gate rod, and an adjustable structure is provided between the swinging crank arm and the rocker arm shaft or / and between the rocker arm shaft and the gate rod; the adjustable structure includes at least one adjusting screw hole eccentrically arranged on the axial hole wall, the adjusting screw hole passes through the axial hole wall, and an adjusting screw is provided on the inner thread of the adjusting screw hole, and the adjusting screw is rotated to make it eccentrically press against the rocker arm shaft, thereby making the swinging crank arm and the rocker arm shaft or / and the rocker arm shaft and the gate rod rotate relative to each other.

[0005] As a preferred embodiment, the two adjusting screw holes are arranged on two sides of the rocker shaft.

[0006] As a preferred embodiment, the adjusting screw holes are two symmetrically arranged on two sides of the rocker shaft.

[0007] As a preferred embodiment, the rocker arm shaft is provided with a groove corresponding to the adjusting screw hole.

[0008] As a preferred embodiment, the groove is a plane.

[0009] As a preferred embodiment, one end of the adjusting screw pressing against the rocker shaft is an arc surface.

[0010] As a preferred embodiment, the adjustable structure includes an adjusting screw hole eccentrically arranged on the shaft hole wall and an elastic structure elastically arranged between the swing crank arm and the rocker shaft and / or between the rocker shaft and the gate rod.

[0011] As a preferred embodiment, the elastic structure is a spring.

[0012] As a preferred embodiment, the gate rod is connected to a handle, and the adjustable structure is provided on the handle.

[0013] As a preferred embodiment, the motor of the main engine drives the active crank arm to rotate through a reduction gearbox, and the active crank arm drives the swing crank arm to swing through a connecting rod. The present invention incorporates an adjustable structure between the swing crank arm and the rocker shaft, or / and the rocker shaft and the gate bar. When the gate bar is at a certain angle to the horizontal after it has fallen, the adjustment screw can be rotated to eccentrically press against the rocker shaft, causing the swing crank arm and the rocker shaft, or / and the rocker shaft and the gate bar, to rotate relative to each other, thereby correcting the angle. This adjustment device can simultaneously adjust the gate bar's horizontal position and prevent it from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is an exploded schematic diagram of a gate rod and a swing crank arm of a background technology gate.

[0015] Figure 2 This is a structural diagram of Example 1 of the hoop-type angle-adjustable device of the present invention.

[0016] Figure 3 This is a structural diagram of Example 1 of the hoop-type angle adjustable device of the present invention not being installed on the host.

[0017] Figure 4 This is a schematic diagram of the exploded view of Example 1 of the hoop-type angle-adjustable device of the present invention when it is not installed on the host.

[0018] Figure 5 This is a structural diagram of Example 2 of the hoop-type angle-adjustable device of the present invention not being installed on the host. DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings.

[0020] Please refer to the attached figure for a hoop-type angle-adjustable device of this embodiment. Figures 2 to 5, including a main unit 6 and a gate rod 1, the main unit 6 drives the gate rod 1 to swing up and down through a swing crank arm 4, a rocker shaft 3 is connected between the swing crank arm 4 and the gate rod 1, the two ends of the rocker shaft 3 are respectively inserted into the axis hole of the swing crank arm 4 or the axis hole on the gate rod 1, and an adjustable structure is provided between the swing crank arm 4 and the rocker shaft 3 or / and between the rocker shaft 3 and the gate rod 1; the adjustable structure includes at least one adjusting screw hole 201 or / and 401 eccentrically arranged on the axis hole wall, the adjusting screw holes 201, 401 pass through the axis hole wall, and the adjusting screw holes 201, 401 are internally threaded with adjusting screws 5, and the adjusting screw 5 is rotated to make it eccentrically press against the rocker shaft 3, thereby making the swing crank arm 4 and the rocker shaft 3 or / and the rocker shaft 3 and the gate rod 1 rotate relative to each other.

[0021] Because this adjustment device includes an adjustable structure between the swing crank arm 4 and the rocker shaft 3, or / and between the rocker shaft 3 and the gate bar 1, when the gate bar 1 forms a certain angle with the horizontal after it drops, the adjustment screw 5 can be rotated to eccentrically press against the rocker shaft 3, causing the swing crank arm 4 and the rocker shaft 3, or / and between the rocker shaft 3 and the gate bar 1, to correct the angle. This allows the angle of the gate bar 1 relative to the swing crank arm 4 to be adjusted. This adjustment device can adjust the gate bar's level while preventing it from dropping.

[0022] In the embodiment of the hoop type angle adjustable device, please refer to Figures 2 to 5 In addition to the above technical solution, the adjusting screw holes 201 and / or 401 may be provided on either side of the rocker shaft 3. When in use, the adjusting screw 5 on one side is screwed inwards, while the adjusting screw 5 on the other side is screwed outwards. The gate lever is brought into a horizontal state by counteracting the two adjusting screw holes 201 and / or 401.

[0023] In the embodiment of the hoop type angle adjustable device, please refer to Figures 2 to 5 On the basis of the above technical solution, the adjusting screw holes 201 and / or 401 may be symmetrically arranged on two sides of the rocker shaft 3 .

[0024] In the embodiment of the hoop type angle adjustable device, please refer to Figures 2 to 5 On the basis of the above technical solution, the rocker shaft 3 may be provided with grooves 301 and / or 302 corresponding to the adjusting screw holes. In this way, the device has both the effect of a clamp and the stability function of a circumferential fixed key.

[0025] In the embodiment of the hoop type angle adjustable device, please refer to Figures 2 to 5 On the basis of the above technical solution, the groove 301 and / or 302 may be a plane.

[0026] In the embodiment of the hoop type angle adjustable device, please refer to Figures 2 to 5In order to reduce the friction force of the contact point during rotation, based on the previous technical solution, the end of the adjusting screw 5 pressing against the rocker shaft 3 may be an arc surface.

[0027] In other embodiments of the hoop-type angle-adjustable device, based on the previous technical solution, the adjustable structure may include an adjustment screw hole eccentrically disposed in the shaft hole wall and an elastic structure elastically disposed between the swing crank arm and the rocker shaft and / or between the rocker shaft and the gate lever. The elastic structure may specifically be a spring. The elastic restoring force of the spring or other elastic structure is utilized as the reaction force on the other side.

[0028] In the embodiment of the hoop type angle adjustable device, please refer to Figure 2 On the basis of the above technical solution, the motor of the main engine 6 can also specifically drive the active crank arm to rotate through the reduction box, and the active crank arm drives the swing crank arm 4 to swing through the connecting rod.

[0029] In the embodiment 1 of the hoop type angle adjustable device, please refer to Figures 2 to 4 On the basis of the previous technical solution, the adjustable structure may further include symmetrically arranged eccentric adjusting screw holes 401 on both sides of the shaft hole wall of the swing crank arm 4, and the rocker arm shaft 3 is provided with a groove 301 corresponding to the adjusting screw hole 401.

[0030] In Example 2 of the hoop-type angle-adjustable device, please refer to Figure 5 Based on the above technical solution, the adjustable structure may also include symmetrically arranged adjustment screw holes 201 eccentrically disposed on two side walls of the axis hole of the gate lever 1 and the handle 2, and the rocker shaft 3 is provided with grooves 302 corresponding to the adjustment screw holes 201. Of course, in other embodiments, the adjustable structure may also be designed on both the swing crank arm and the rocker shaft, as well as the gate lever handle and the rocker shaft.

[0031] The above is an explanation of the hoop-type angle-adjustable device of the present invention to help understand the present invention, but the implementation of the present invention is not limited to the above-mentioned embodiments. Any changes, modifications, substitutions, combinations, and simplifications made without departing from the principles of the present invention should be equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. Hoop type angle adjustable device, characterized by : It includes a main unit and a gate rod, and the main unit drives the gate rod to swing up and down through a swing crank arm, and a rocker arm shaft is connected between the swing crank arm and the gate rod, and the two ends of the rocker arm shaft are respectively inserted into the axis hole of the swing crank arm or the axis hole on the gate rod, and an adjustable structure is provided between the swing crank arm and the rocker arm shaft or / and between the rocker arm shaft and the gate rod; the adjustable structure includes at least one adjusting screw hole eccentrically arranged on the axis hole wall, the adjusting screw hole passes through the axis hole wall, and the adjusting screw hole is provided with an adjusting screw on the inner thread, and the adjusting screw is rotated to make it eccentrically press against the rocker arm shaft, so that the swing crank arm and the rocker arm shaft or / and the rocker arm shaft and the gate rod rotate relative to each other.

2. The hoop-type angle-adjustable device according to claim 1, characterized in that: The two adjusting screw holes are arranged on two sides of the rocker shaft.

3. The hoop-type angle-adjustable device according to claim 2, characterized in that: The adjusting screw holes are two symmetrically arranged on two sides of the rocker shaft.

4. The hoop-type angle-adjustable device according to claim 1, characterized in that: The rocker shaft is provided with a groove corresponding to the adjusting screw hole.

5. The hoop-type angle-adjustable device according to claim 4, characterized in that: The groove is a plane.

6. The hoop-type angle-adjustable device according to claim 1, characterized in that: One end of the adjusting screw rod pressing against the rocker shaft is an arc surface.

7. The hoop-type angle-adjustable device according to claim 1, characterized in that: The adjustable structure comprises an adjusting screw hole eccentrically arranged on the shaft hole wall and an elastic structure elastically arranged between the swing crank arm and the rocker shaft or / and between the rocker shaft and the gate lever.

8. The hoop-type angle-adjustable device according to claim 7, characterized in that: The elastic structure is a spring.

9. The hoop-type angle-adjustable device according to claim 7, characterized in that: The gate rod is connected to the handle, and the adjustable structure is arranged on the handle.

10. The hoop-type angle-adjustable device according to claim 1, characterized in that: The motor of the main machine drives the active crank arm to rotate through the reduction box, and the active crank arm drives the swing crank arm to swing through the connecting rod.

Images