CN215664032U

CN215664032U - Automatic retractable scaffold wheel for ground well joint

Info

Publication number: CN215664032U
Application number: CN202122233901.3U
Authority: CN
Inventors: 陈家兵; 李国永; 王芳俊; 朱伟
Original assignee: China National Aviation Fuel Group Ltd Yunnan Branch
Current assignee: China National Aviation Fuel Group Ltd Yunnan Branch
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-28
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses an automatic retraction foot rest wheel for a ground well joint, which comprises a support foot rest, wherein an arc-shaped groove is formed in the left side of the support foot rest, a rotating rod is fixedly connected in a through hole in the inner wall of the rear end of the left side of the arc-shaped groove, the front end of the rotating rod sequentially penetrates through a torsion spring and the inner wall of the front side of the arc-shaped groove, both ends of the rotating rod are in threaded connection with bolts, and the outer walls of the rotating rods on the left side and the right side of the support foot rest are rotatably connected in the through holes on the left side and the right side of a sliding plate. In the utility model, firstly, the natural state of the supporting foot frame is V-shaped, so that the weight of the joint exists when the supporting foot frame is used, the sliding plate is only required to press a square force application plate slightly to enable the clamping hook to be pressed downwards, the supporting foot frame is easily changed into a straight line shape from the V-shaped, and when the joint is folded, the clamping hook is clamped at the lower end of the sliding plate under the action of the contraction of the torsion spring, so that the supporting foot frame is automatically changed into the V-shaped to realize the automatic contraction of the supporting foot frame, and the supporting foot frame is convenient to move by matching with the universal wheel, thereby being worthy of great popularization.

Description

Automatic retractable scaffold wheel for ground well joint

Technical Field

The utility model relates to the field of lifting devices, in particular to an automatic retractable scaffold wheel for a ground well joint.

Background

The ground well joint of the aircraft fuelling vehicle is used for connecting a ground well bolt, and the fuelling joint is used for connecting an oil receiving port of an aircraft, so that the aircraft fuelling vehicle forms an oil supply passage, the ground well joint lifting device is designed to easily lift the ground well joint onto a ground well valve, and the bending and lifting oil delivery system joint is used in the ground well bolt connecting process of the aircraft fuelling vehicle and a plateau pipe network, so that the ground well bolt connection device is very important in work, not only relates to the safety problem, but also can protect the ground well fuelling bolt from being damaged, and prolongs the service lives of the ground well bolt and the ground well joint.

Chinese patent document CN207142769U discloses an auxiliary lifting device for a 4 inch ground well joint, which consists of a universal wheel, a directional wheel, a cylinder, a bottom plate, a left leg of a bracket, a shaft, a right leg of the bracket and a three-linkage mechanism; the two ends of the central shaft are provided with three linkage mechanisms, the bottoms of the three linkage mechanisms are respectively provided with a left support leg and a right support leg, the tops of the three linkage mechanisms are connected with one end of an air cylinder through a pull rod, the air cylinder is arranged on the upper sides of the two sides of the bottom plate, and the other end of the air cylinder is fixedly arranged at the front section of the bottom plate; the tail end of the bottom plate is sleeved on two sides of the shaft; the universal wheels are fixedly arranged at the bottoms of the left leg and the right leg of the bracket, and the front sides of the universal wheels are provided with directional wheels; although the support is assisted by the air cylinder, the auxiliary lifting function is effectively realized through the three-linkage mechanism, the operating force and the body bearing of an oiler are greatly reduced, and the risk of body damage is reduced; the support is simple and convenient to operate, and the working efficiency is improved; reasonable in design, compact structure, dependable performance, but when will stand the foot rest, will press the foot rest back V type hard to inconvenient use also inconvenient accomodating simultaneously, and then holistic practicality is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an automatic retraction foot rest wheel of a ground well joint.

In order to achieve the purpose, the utility model adopts the following technical scheme: the automatic retractable scaffold wheel for the ground well joint comprises a supporting foot frame, wherein an arc-shaped groove is formed in the left side of the supporting foot frame, a rotating rod is fixedly connected in a through hole in the inner wall of the rear end of the left side of the arc-shaped groove, the front end of the rotating rod sequentially penetrates through a torsion spring and the inner wall of the front side of the arc-shaped groove, bolts are connected at two ends of the rotating rod in a threaded manner, the outer wall of the rotating rod on the left side and the right side of the supporting foot frame is rotatably connected in the through hole on the left side and the right side of a sliding plate, the outer wall of the rotating rod on the left side and the right side of the sliding plate is rotatably connected in the through hole on the left side and the right side of a handle, the bottom end of the handle is fixedly connected to the front side and the rear side of the top of an auxiliary plate respectively, a clamping hook is slidably connected to the bottom end of the sliding plate, a reset spring is fixedly connected to the top end of the reset spring in the sliding groove.

As a further description of the above technical solution:

the right side of the supporting foot rest is fixedly connected with a universal wheel.

As a further description of the above technical solution:

one end of the torsion spring is fixedly connected to the inner wall of the front side of the right end of the arc-shaped groove.

As a further description of the above technical solution:

the other end of the torsion spring is fixedly connected with the rear end of the rear side of the top of the auxiliary plate.

As a further description of the above technical solution:

the middle part of the left side of the sliding plate is provided with a groove.

As a further description of the above technical solution:

the front side of the left end of the sliding plate is fixedly connected with a force application plate.

As a further description of the above technical solution:

and a reserved mounting hole is formed in the left side of the top of the auxiliary plate.

As a further description of the above technical solution:

the sliding disc is connected inside the sliding groove in a sliding mode, and the sliding groove is formed in the middle of the bottom end of the supporting foot frame.

1. The utility model has the following beneficial effects:

2. in the utility model, the natural state of the supporting foot frame is V-shaped, so that the weight of the joint exists in use, and the sliding plate presses the clamping hook downwards only by slightly pressing the square force application plate, so that the supporting foot frame can be easily changed into a straight shape from the V-shaped, the joint can be grounded for use, and the use is convenient.

3. When the connector is retracted, the torsion spring is contracted to be matched with the reset spring so that the clamping hook is clamped at the lower end of the sliding plate, the supporting foot frame is automatically changed into a V shape, the universal wheels of the supporting foot frame are convenient to move, the supporting foot frame is automatically contracted, the overall practicability is improved, and the connector is worthy of great popularization.

Drawings

FIG. 1 is a perspective view of a ground well joint auto-retracting undercarriage wheel according to the present invention;

FIG. 2 is a schematic connection diagram of a torsion spring in the automatic retraction foot rest wheel of the ground well joint according to the present invention;

fig. 3 is a cross-sectional view of the support frame in the automatic retraction scaffold wheel of the ground well joint according to the present invention.

Illustration of the drawings:

1. a supporting foot rest; 2. a universal wheel; 3. a hook; 4. an auxiliary plate; 5. an arc-shaped slot; 6. a rotating rod; 7. a torsion spring; 8. reserving a mounting hole; 9. a groove; 10. a force application plate; 11. a grip; 12. a bolt; 13. a slide plate; 14. a slide plate; 15. a spring; 16. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: an automatic contraction foot rest wheel for a ground well joint comprises a supporting foot rest 1, wherein an arc-shaped groove 5 is arranged on the left side of the supporting foot rest 1, a rotating rod 6 is fixedly connected in a through hole on the inner wall of the rear side of the left side of the arc-shaped groove 5, the front end of the rotating rod 6 sequentially penetrates through a torsion spring 7 and the inner wall of the front side of the arc-shaped groove 5, bolts 12 are respectively in threaded connection with two ends of the rotating rod 6, the outer walls of the rotating rods 6 on the left side and the right side of the supporting foot rest 1 are rotatably connected in the through holes on the left side and the right side of a sliding plate 13, the outer walls of the rotating rods 6 on the left side and the right side of the sliding plate 13 are rotatably connected in the through holes on the left side and the right side of a handle 11, the bottom end of the handle 11 is respectively and fixedly connected to the front side and the rear side of the top of an auxiliary plate 4, a clamping hook 3 is slidably connected to the bottom end of the sliding plate 13, the clamping hook 3 is clamped at the lower end of the sliding plate 13 under the action of a reset spring 15, so that the supporting foot rest 1 automatically becomes V-shaped, the right end of the clamping hook 3 is fixedly connected to the bottom end of a sliding plate 14, the top end of the sliding tray 14 is fixedly connected with a return spring 15, the top end of the return spring 15 is fixedly connected inside the sliding groove 16, and under the action of the contraction of the torsion spring 7, the return spring 15 is matched to enable the hook 3 to be clamped at the lower end of the sliding plate 13, so that the supporting foot rest 1 is automatically changed into a V shape.

The right side fixedly connected with universal wheel 2 of supporting foot rest 1, the removal is convenient, the one end fixed connection of torsional spring 7 is on the inner wall of arc 5 right-hand member front side, the other end fixed connection of torsional spring 7 is at the rear end of auxiliary plate 4 top rear side, the left middle part of slide 13 is provided with recess 9, the front side fixedly connected with application of force board 10 of slide 13 left end, the natural state of supporting foot rest 1 is the V type, consequently, there is the weight that connects when using, only need press square application of force board 10 a little, make slide 13 push down pothook 3, thereby just can make supporting foot rest 1 become the style of calligraphy from the V type easily, the left side at the top of auxiliary plate 4 is provided with reservation mounting hole 8, the erection joint of being convenient for, sliding tray 14 sliding connection is in the inside of spout 16, spout 16 sets up the middle part in supporting foot rest 1 bottom.

The working principle is as follows: firstly, the natural state of the supporting foot rest 1 is V-shaped, so that the weight of the joint exists when the supporting foot rest is used, the sliding plate 13 is only required to press the square force application plate 10 slightly to enable the clamping hook 3 to be pressed downwards, the supporting foot rest 1 can be easily changed into a straight line shape from the V-shaped, the joint can be used for a grounding well, when the joint is folded, due to the contraction effect of the torsion spring 7, the reset spring 15 is matched to enable the clamping hook 3 to be clamped at the lower end of the sliding plate 13, the supporting foot rest 1 is automatically changed into the V-shaped, the universal wheels 2 of the supporting foot rest 1 are convenient to move, the supporting foot rest 1 is automatically contracted, and the supporting foot rest is worthy of great popularization.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Automatic shrink foot rest wheel is connected to ground well, including supporting leg frame (1), its characterized in that: an arc-shaped groove (5) is arranged on the left side of the supporting foot rest (1), a rotating rod (6) is fixedly connected in a through hole on the inner wall of the rear side of the left side of the arc-shaped groove (5), the front end of the rotating rod (6) sequentially penetrates through a torsion spring (7) and the inner wall of the front side of the arc-shaped groove (5), bolts (12) are respectively in threaded connection with two ends of the rotating rod (6), the outer walls of the rotating rods (6) on the left side and the right side of the supporting foot rest (1) are rotatably connected in the through holes on the left side and the right side of a sliding plate (13), the outer walls of the rotating rods (6) on the left side and the right side of the sliding plate (13) are rotatably connected in the through holes on the left side and the right side of a handle (11), the bottom ends of the handle (11) are respectively and fixedly connected on the front side and the rear side of the top of an auxiliary plate (4), a clamping hook (3) is slidably connected at the bottom end of the sliding plate (13), and the right end of the clamping hook (3) is fixedly connected at the bottom end of a sliding disc (14), the top end of the sliding disc (14) is fixedly connected with a return spring (15), and the top end of the return spring (15) is fixedly connected inside the sliding groove (16).

2. The well head auto-retracting undercarriage wheel of claim 1, wherein: the right side of the supporting foot rest (1) is fixedly connected with a universal wheel (2).

3. The well head auto-retracting undercarriage wheel of claim 1, wherein: one end of the torsion spring (7) is fixedly connected to the inner wall of the front side of the right end of the arc-shaped groove (5).

4. The well head auto-retracting undercarriage wheel of claim 1, wherein: the other end of the torsion spring (7) is fixedly connected with the rear end of the rear side of the top of the auxiliary plate (4).

5. The well head auto-retracting undercarriage wheel of claim 1, wherein: the middle part of the left side of the sliding plate (13) is provided with a groove (9).

6. The well head auto-retracting undercarriage wheel of claim 1, wherein: the front side of the left end of the sliding plate (13) is fixedly connected with a force application plate (10).

7. The well head auto-retracting undercarriage wheel of claim 1, wherein: and a reserved mounting hole (8) is formed in the left side of the top of the auxiliary plate (4).

8. The well head auto-retracting undercarriage wheel of claim 1, wherein: the sliding plate (14) is connected inside the sliding groove (16) in a sliding mode, and the sliding groove (16) is formed in the middle of the bottom end of the supporting foot frame (1).