CN215626306U - Mechanical arm for assembling fan - Google Patents

Abstract

The utility model provides a mechanical arm for assembling a fan, which relates to the field of production of centrifugal fans and comprises a base, a mechanical arm mechanism and a gripper mechanism, wherein the mechanical arm for assembling the centrifugal fan can be arranged on the side of an assembling table, the gripper mechanism is inserted into a shell or an impeller of the centrifugal fan, a first hydraulic rod pushes a second arm body to rotate around a second hinge shaft, the second arm body drives the gripper mechanism in the vertical direction through a lifting rope, then the second hydraulic rod pushes and pulls a sliding shaft part, and the sliding shaft part pushes and pulls the gripper mechanism and a hoisting component on the horizontal plane through the lifting rope, so that the hoisting of components of the centrifugal fan is efficiently completed.

Description

Mechanical arm for assembling fan

Technical Field

The utility model relates to the field of centrifugal fan production, in particular to a mechanical arm for fan assembly.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy.

The centrifugal fan generally comprises a shell, an impeller and a motor, wherein the impeller is positioned in the middle of the shell and is driven by the motor, the existing centrifugal fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels and cooling towers, and the centrifugal fan has a large size, so that the impeller is usually hoisted and assembled by using a crown block during assembly, but when a plurality of groups of centrifugal fan production groups work simultaneously, the crown block obviously cannot meet the requirements of a workshop; in addition, the hoisting precision of the overhead travelling crane is low, the centrifugal fan assembly can be accurately assembled only by holding the hoisted centrifugal fan assembly by a worker, and the safety is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a mechanical arm for efficiently assembling a fan.

The utility model is realized by the following technical scheme: a mechanical arm for assembling a fan comprises a base, a mechanical arm mechanism and a hand grip mechanism, wherein the mechanical arm mechanism comprises a rotary disc, a first arm body, a first hydraulic rod, a second arm body and a second hydraulic rod, the rotary disc is rotatably connected with the base, one end of the first arm body is hinged to the rotary disc through a first hinge shaft, one end of the second arm body is hinged to the other end of the first arm body through a second hinge shaft, the other end of the second arm body is provided with a lifting rope for pulling the hand grip mechanism, two ends of the first hydraulic rod are respectively hinged to the rotary disc and the second arm body, the second arm body comprises a sleeve portion and a sliding shaft portion, the sliding shaft portion is inserted into the sleeve portion and is in sliding connection with the sleeve portion, two ends of the second hydraulic rod are respectively connected with the sleeve portion and the sliding shaft portion, and the hand grip mechanism is inserted into a shell or an impeller of the centrifugal fan.

According to the above technical scheme, preferably, the tongs mechanism includes the platform from last to down in proper order, pneumatic cylinder and centre gripping subassembly, the platform is connected with the lower extreme of lifting rope, the pneumatic cylinder is fixed on the platform, the centre gripping subassembly includes the guide bar that the multiunit is parallel, decide the board, the connecting rod unit that angle settings such as kickboard and multiunit, the both ends of guide bar respectively with platform and decide board fixed connection, kickboard and guide bar sliding connection, the connecting rod unit includes first connecting rod and second connecting rod, the one end of first connecting rod is connected with the platform is articulated, the other end of first connecting rod is connected with the one end of second connecting rod is articulated, the other end and the kickboard of second connecting rod are articulated to be connected.

According to the above technical solution, preferably, the clamping assembly includes three sets of link units, and an included angle between adjacent link units is 120 ° with a central axis of the hydraulic cylinder as a central point.

The utility model has the beneficial effects that: the device can be installed on the side of an assembling table, the gripper mechanism is inserted into a shell or an impeller of the centrifugal fan, the first hydraulic rod pushes the second arm body to rotate around the second hinge shaft, the second arm body drives the gripper mechanism in the vertical direction through the lifting rope, then the second hydraulic rod pushes and pulls the sliding shaft part, and the sliding shaft part pushes and pulls the gripper mechanism and a hoisting component on the horizontal plane through the lifting rope, so that the hoisting of the centrifugal fan component is efficiently completed.

Drawings

Fig. 1 shows a schematic structural diagram according to an embodiment of the utility model.

Fig. 2 shows a schematic structural view of the gripper mechanism in an embodiment according to the utility model.

In the figure: 1. a base; 2. a mechanical arm mechanism; 3. a gripper mechanism; 4. a turntable; 5. a first arm body; 6. a first hydraulic lever; 7. a second arm body; 8. a second hydraulic rod; 9. a first hinge shaft; 10. a second hinge shaft; 11. a lifting rope; 12. a sleeve portion; 13. a spool portion; 14. a hanging platform; 15. a hydraulic cylinder; 16. A clamping assembly; 17. a guide bar; 18. fixing a plate; 19. a floating plate; 20. a link unit; 21. a first link; 22. a second link.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

As shown in the figures, the present invention provides a mechanical arm for assembling a blower, comprising a base 1, a mechanical arm mechanism 2 and a gripper mechanism 3, wherein the mechanical arm mechanism 2 comprises a rotary disc 4, a first arm body 5, a first hydraulic rod 6, a second arm body 7 and a second hydraulic rod 8, the rotary disc 4 is rotatably connected with the base 1, one end of the first arm body 5 is hinged with the rotary disc 4 through a first hinge shaft 9, one end of the second arm body 7 is hinged with the other end of the first arm body 5 through a second hinge shaft 10, the other end of the second arm body 7 is provided with a lifting rope 11 for pulling the gripper mechanism 3, two ends of the first hydraulic rod 6 are respectively hinged with the rotary disc 4 and the second arm body 7, the second arm body 7 comprises a sleeve portion 12 and a sliding shaft portion 13, the sliding shaft portion 13 is inserted into the sleeve portion 12 and is slidably connected with the sleeve portion 12, two ends of the second hydraulic rod 8 are respectively connected with the sleeve portion 12 and the sliding shaft portion 13, under the pulling of a lifting rope, the gripper mechanism 3 is inserted into a shell or an impeller of a centrifugal fan, the gripper mechanism 3 sequentially comprises a lifting platform 14, a hydraulic cylinder 15 and a clamping assembly 16 from top to bottom, the lifting platform 14 is connected with the lower end of the lifting rope 11, the hydraulic cylinder 15 is fixed on the lifting platform 14, the clamping assembly 16 comprises a plurality of groups of parallel guide rods 17, a fixed plate 18, a floating plate 19 and a plurality of groups of connecting rod units 20 which are arranged at equal angles, two ends of each guide rod 17 are respectively fixedly connected with the lifting platform 14 and the fixed plate 18, the floating plate 19 is slidably connected with the guide rods 17, each connecting rod unit 20 comprises a first connecting rod 21 and a second connecting rod 22, one end of each first connecting rod 21 is hinged with the lifting platform 14, the other end of each first connecting rod 21 is hinged with one end of each second connecting rod 22, and the other end of each second connecting rod 22 is hinged with the floating plate 19.

The working process is as follows:

a worker pushes the components of the centrifugal fan to the side of the assembling table by using a cart and the like, the first hydraulic rod 6 pushes the second arm body 7 to rotate around the second hinge shaft 10, and the second arm body 7 drives the gripper mechanism 3 to float up and down in the vertical direction through the lifting rope 11; the sliding shaft part 13 is pushed and pulled by the second hydraulic rod 8, and the sliding shaft part 13 pushes and pulls the hand grab mechanism 3 on the horizontal plane through the lifting rope 11 until the clamping component 16 of the hand grab mechanism 3 is inserted into an impeller or a shell of the centrifugal fan; the mechanical arm mechanism 2 hoists the components of the gripper mechanism 3 and the centrifugal fan.

Further, according to the triangle stabilizing principle, the clamping assembly 16 includes three sets of link units 20, and the included angle between the adjacent link units 20 is 120 ° with the central axis of the hydraulic cylinder 15 as the central point.

The utility model has the beneficial effects that: the device can be installed on the side of an assembly table, the gripper mechanism 3 is inserted into a shell or an impeller of a centrifugal fan, the first hydraulic rod 6 pushes the second arm body 7 to rotate around the second hinge shaft 10, the second arm body 7 drives the gripper mechanism 3 in the vertical direction through the lifting rope 11, then the second hydraulic rod 8 pushes and pulls the sliding shaft part 13, and the sliding shaft part 13 pushes and pulls the gripper mechanism 3 and a hoisting component on the horizontal plane through the lifting rope 11, so that the hoisting of the centrifugal fan component is efficiently completed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like 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, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; 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 meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (3)

1. A mechanical arm for assembling a fan is characterized by comprising a base, a mechanical arm mechanism and a gripper mechanism, the mechanical arm mechanism comprises a turntable, a first arm body, a first hydraulic rod, a second arm body and a second hydraulic rod, the turntable is rotatably connected with the base, one end of the first arm body is hinged with the turntable through a first hinge shaft, one end of the second arm body is hinged with the other end of the first arm body through a second hinge shaft, the other end of the second arm body is provided with a lifting rope for pulling the gripper mechanism, two ends of the first hydraulic rod are respectively hinged with the rotary table and the second arm body, the second arm body comprises a sleeve part and a sliding shaft part, the sliding shaft part is inserted into the sleeve part, and the second hydraulic rod is connected with the sleeve part and the sliding shaft part at two ends respectively, and the gripper mechanism is inserted into a shell or an impeller of the centrifugal fan.

2. The mechanical arm for assembling the fan as claimed in claim 1, wherein the gripper mechanism comprises a lifting platform, a hydraulic cylinder and a clamping assembly in sequence from top to bottom, the lifting platform is connected with the lower end of the lifting rope, the hydraulic cylinder is fixed on the lifting platform, the clamping assembly comprises a plurality of groups of parallel guide rods, a fixed plate, a floating plate and a plurality of groups of connecting rod units which are arranged at equal angles, two ends of each guide rod are fixedly connected with the lifting platform and the fixed plate respectively, the floating plate is connected with the guide rods in a sliding manner, each connecting rod unit comprises a first connecting rod and a second connecting rod, one end of each first connecting rod is hinged to the lifting platform, the other end of each first connecting rod is hinged to one end of each second connecting rod, and the other end of each second connecting rod is hinged to the floating plate.

3. The mechanical arm for assembling the fan of claim 2, wherein the clamping assembly comprises three groups of link units, and an included angle between adjacent link units is 120 ° with a central axis of the hydraulic cylinder as a central point.

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