Cantilever for engineering machinery

Abstract

The utility model discloses a cantilever for engineering machinery, which relates to the technical field of engineering machinery and comprises a mounting rod, a cantilever body is mounted at the top of the mounting rod, a lantern ring is fixedly connected to one end of the bottom of the cantilever body, a retractor is mounted at the bottom of one end of the cantilever body, and a steel cable is wound in the retractor. The auxiliary mechanism comprises a mounting cylinder arranged at the bottom of the retractor, movable grooves are formed in the two sides of the outer wall of the mounting cylinder, pressing air bags are arranged at the tops of the inner walls of the movable grooves, one end of each pressing air bag is fixedly connected with a storage pipe, and the other end of each pressing air bag is fixedly connected with a lifting hook. One end of the storage pipe is fixedly connected with a connecting assembly used for lubricating the outer surface of the steel cable. The cantilever for the engineering machinery has the advantages that the outer surface of the steel cable is lubricated, and the service life of the steel cable can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery, in particular to a cantilever for engineering machinery. Background Art

[0002] A mechanical cantilever is a special mechanical structure mainly used in lifting machinery. It consists of a frame support, a cantilever and steel ropes.

[0003] When the existing cantilever is used for a long time, the steel cable needs to be repeatedly reeled in. If it is not maintained regularly and in time, the steel cable is prone to slipping and getting stuck, and is prone to falling off and loosening during the reeling process, thereby affecting the normal use of the cantilever and posing a safety hazard. Utility Model Content

[0004] The utility model discloses a cantilever for engineering machinery, which aims to solve the technical problem that the existing cantilever needs to repeatedly reel in the steel cable after long-term use. After long-term use, if regular maintenance is not carried out in time, the steel cable is prone to slipping and getting stuck, and is prone to falling off and loosening during the reeling process, thereby affecting the normal use of the cantilever and posing a safety hazard.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The lifting of the lifting gear is increased with the increase of the lifting power of the lifting gear, and the lifting gear has a certain lifting power. The lifting gear has a certain lifting power. The lifting gear has a certain lifting power. The lifting gear has a certain lifting power. The lifting gear has a certain lifting power.

[0007] By setting up an auxiliary mechanism, when the retractor is started to reel in the steel cable, the steel cable slides and contacts and squeezes the pressing airbag, causing the storage tube fixedly connected to one end of the pressing airbag to flip over and contact the outer surface of the steel cable, providing lubrication for the outer surface of the steel cable.

[0008] In a preferred solution, the adjustment mechanism includes a motor arranged inside the mounting rod, the output shaft of the motor is mounted with a rotating rod via a coupling, and the bottom end of the cantilever body is fixedly connected with a movable component for adjustment.

[0009] By setting up the adjustment mechanism and starting the motor, the output shaft of the motor drives the rotating rod to rotate through the coupling, so that the cantilever body can be guided and lifted.

[0010] In a preferred solution, the movable component includes a sleeve arranged at the bottom end of the cantilever body, and a threaded groove is provided inside the sleeve.

[0011] By setting the movable components, the use height of the cantilever can be adjusted.

[0012] In a preferred solution, both sides of the outer wall of the sleeve are fixedly connected to limiting blocks, and both sides of the inner wall of the mounting rod are provided with limiting grooves, and the limiting blocks are slidably connected in the limiting grooves.

[0013] By setting the limiting groove and the limiting block, the sleeve column can be guided and lifted.

[0014] In a preferred solution, the connection assembly includes a lubrication block provided at one end of the storage tube.

[0015] By providing the connecting assembly, lubricating oil can be applied to the outer surface of the steel cable during the process of winding the steel cable.

[0016] In a preferred solution, the outer surface of the top end of the rotating rod is provided with a thread, the rotating rod and the sleeve are connected by threads, and the rotating rod and the sleeve are arranged on the same central axis.

[0017] In a preferred solution, the size of the storage tube is adapted to the size of the movable groove, and the steel cable runs through the interior of the installation cylinder.

[0018] The utility model discloses a cantilever for engineering machinery, which has the following beneficial effects.

[0019] First, by providing an auxiliary mechanism, when the retractor is activated to reel in the steel cable, the steel cable slides and contacts the pressing airbag, squeezing the pressing airbag. This causes the storage tube fixedly connected to one end of the pressing airbag to flip over and contact the outer surface of the steel cable, providing lubrication for the outer surface of the steel cable and thus increasing the service life of the steel cable.

[0020] Secondly, by setting up an adjustment mechanism and starting the motor, the output shaft of the motor drives the rotating rod to rotate through the coupling, so that the cantilever body can be guided and raised, and the use height of the cantilever can be adjusted according to actual use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an axonometric view of a cantilever for engineering machinery proposed in the utility model.

[0022] Figure 2 This is an axonometric view from another angle of a cantilever for engineering machinery proposed in the present invention.

[0023] Figure 3 The utility model is a three-dimensional diagram of a hook of a cantilever for engineering machinery.

[0024] Figure 4 The utility model is a cross-sectional view of a cantilever for engineering machinery proposed in the present invention.

[0025] Figure 5 This is a three-dimensional diagram of an auxiliary mechanism of a cantilever for engineering machinery proposed in the utility model.

[0026] In the accompanying drawings: 1. Mounting rod; 2. Cantilever body; 3. Ring; 4. Retractor; 5. Rotating rod; 6. Motor; 7. Column; 8. Hook; 9. Steel cable; 10. Mounting tube; 11. Pressing airbag; 12. Storage tube; 13. Lubricating block; 14. Movable slot. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0029] The utility model discloses a cantilever for engineering machinery. The existing cantilever is mainly used. When used for a long time, the steel cable needs to be repeatedly reeled in. After long-term use, if regular maintenance is not carried out in time, the steel cable is prone to slipping and getting stuck, and is prone to falling off and loosening during the reeling process.

[0030] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5A cantilever for engineering machinery includes a mounting rod 1, a cantilever body 2 is mounted on the top of the mounting rod 1, a ring 3 is fixedly connected to the bottom end of the cantilever body 2, a retractor 4 is mounted on the bottom of one end of the cantilever body 2, a steel cable 9 is reeled inside the retractor 4, and a hook 8 is fixedly connected to the bottom end of the steel cable 9. It also includes an auxiliary mechanism: the auxiliary mechanism includes a mounting cylinder 10 arranged at the bottom of the retractor 4, movable grooves 14 are provided on both sides of the outer wall of the mounting cylinder 10, and a pressing airbag 11 is provided on the top of the inner wall of the movable groove 14, and one end of the pressing airbag 11 is fixedly connected to a storage tube 12, and one end of the storage tube 12 is fixedly connected to a connecting component for lubricating the outer surface of the steel cable 9; an adjusting mechanism: the adjusting mechanism is arranged inside the mounting rod 1, and the adjusting mechanism is used to adjust the height of the cantilever.

[0031] In this solution, during the use of the cantilever, by starting the retractor 4 to reel in the steel cable 9, the steel cable 9 slides and contacts the pressing airbag 11 and squeezes the pressing airbag 11, so that the storage tube 12 fixedly connected to one end of the pressing airbag 11 is flipped, and the connecting component fixedly connected to one end of the storage tube 12 is in contact with the outer surface of the steel cable 9, providing a lubricating effect for the outer surface of the steel cable 9. At the same time, by setting an adjustment mechanism, the use height of the cantilever can be adjusted according to actual usage requirements.

[0032] Among them, reference Figure 2 and Figure 4 In a preferred embodiment, the adjustment mechanism includes a motor 6 arranged inside the mounting rod 1, the output shaft of the motor 6 is mounted with a rotating rod 5 through a coupling, and the bottom end of the cantilever body 2 is fixedly connected with a movable component for adjustment.

[0033] In this solution, by providing an adjustment mechanism and starting the motor 6, the output shaft of the motor 6 drives the rotating rod 5 to rotate through the coupling, so that the cantilever body 2 can be guided and lifted.

[0034] Further, refer to Figure 2 and Figure 4 In a preferred embodiment, the movable component includes a sleeve column 7 arranged at the bottom end of the cantilever body 2, and a threaded groove is provided inside the sleeve column 7. By setting the movable component, the use height of the cantilever can be adjusted.

[0035] Among them, reference Figure 1 and Figure 4 In a preferred embodiment, both sides of the outer wall of the sleeve column 7 are fixedly connected to the limiting blocks, and both sides of the inner wall of the mounting rod 1 are provided with limiting grooves, and the limiting blocks are slidably connected in the limiting grooves. By setting the limiting grooves and the limiting blocks, the sleeve column 7 can be guided and lifted.

[0036] Further, refer to Figure 3and Figure 5 In a preferred embodiment, the connecting assembly includes a lubricating block 13 arranged at one end of the storage tube 12. By setting the connecting assembly, the outer surface of the steel cable 9 can be coated with lubricating oil during the process of winding the steel cable 9.

[0037] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Replacements may include partial structures, devices, or method steps, or they may be complete technical solutions. Equivalent replacements or modifications based on the technical solution and its concept of the present invention are also encompassed within the scope of protection of the present invention.

Claims

1. A cantilever for engineering machinery, comprising a mounting rod (1), a cantilever body (2) mounted on the top of the mounting rod (1), a collar (3) fixedly connected to one end of the bottom of the cantilever body (2), a retractor (4) mounted on the bottom of one end of the cantilever body (2), a steel cable (9) being wound inside the retractor (4), and a hook (8) fixedly connected to the bottom end of the steel cable (9), characterized in that: Also includes: Auxiliary mechanism: The auxiliary mechanism includes a mounting tube (10) arranged at the bottom of the retractor (4), movable grooves (14) are provided on both sides of the outer wall of the mounting tube (10), a pressing airbag (11) is provided on the top of the inner wall of the movable groove (14), one end of the pressing airbag (11) is fixedly connected to a storage tube (12), and one end of the storage tube (12) is fixedly connected to a connecting component for lubricating the outer surface of the steel cable (9); Adjustment mechanism: The adjustment mechanism is arranged inside the mounting rod (1), and is used to adjust the height of the cantilever.

2. The cantilever for engineering machinery according to claim 1, characterized in that: The adjustment mechanism comprises a motor (6) arranged inside the mounting rod (1); the output shaft of the motor (6) is mounted with a rotating rod (5) via a coupling; and the bottom end of the cantilever body (2) is fixedly connected with a movable component for adjustment.

3. The cantilever for engineering machinery according to claim 2, characterized in that: The movable component comprises a sleeve column (7) arranged at the bottom end of the cantilever body (2), and a thread groove is provided inside the sleeve column (7).

4. The cantilever for engineering machinery according to claim 3, characterized in that: The outer surface of the top end of the rotating rod (5) is provided with a thread, the rotating rod (5) and the sleeve column (7) are connected by threads, and the rotating rod (5) and the sleeve column (7) are arranged on the same central axis.

5. The cantilever for engineering machinery according to claim 4, characterized in that: Limiting blocks are fixedly connected to both sides of the outer wall of the sleeve column (7), and limiting grooves are provided on both sides of the inner wall of the installation rod (1), and the limiting blocks are slidably connected in the limiting grooves.

6. The cantilever for engineering machinery according to claim 5, characterized in that: The connection assembly comprises a lubrication block (13) arranged at one end of the storage tube (12).

7. The cantilever for engineering machinery according to claim 6, characterized in that: The size of the storage tube (12) is adapted to the size of the movable groove (14), and the steel cable (9) runs through the interior of the installation tube (10).

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