CN205555913U - Fluid pressure type machinery hoisting arm - Google Patents

Abstract

The utility model discloses a hydraulic mechanical lifting arm, which comprises a lifting fixed column, a lifting rotating column, a fixed mounting base, a hydraulic control device, a pair of hydraulic driving arms, a pair of sliding balance arms, a pair of sliding arm grooves, a first The lifting arm, the second lifting arm, the third lifting arm, the rotary joint and the lifting hook; The hydraulic control device and the sliding balance arm, the sliding arm groove is set on the hydraulic control device, the sliding balancing arm is connected and runs through the sliding arm groove, the first lifting arm is connected with the hydraulic drive arm and the sliding balancing arm, the second lifting arm is connected with the second lifting arm through the rotary joint One hoisting arm, the third hoisting arm is connected with the hydraulic drive arm and the second hoisting arm, and the hoisting hook is arranged on the second hoisting arm. The utility model can be used for hoisting goods, has small volume, is suitable for use in a small space, has low cost and is easy to operate.

Description

Hydraulic Mechanical Lifting Arm

technical field

The utility model relates to a mechanical device, in particular to a hydraulic mechanical lifting arm.

Background technique

Hoisting generally requires the cooperation of slings (or slings), and hoisting equipment is required in fields such as high-altitude operations and production lines. The slings are manufactured by professional manufacturers, which are high in cost, large in size, and inconvenient to operate. Use in tight spaces.

Utility model content

The purpose of this utility model is to provide a hydraulic mechanical lifting arm, which has the advantages of small size and low cost, and can meet the needs of small-scale production and processing.

In order to achieve the above object, the technical solution of the utility model is:

A hydraulic mechanical lifting arm, including a lifting fixed column, a lifting rotating column, a fixed installation base, a hydraulic control device, a pair of hydraulic drive arms, a pair of sliding balance arms, a pair of sliding arm grooves, a first lifting arm, a second The lifting arm, the third lifting arm, a plurality of connecting pins, rotating joints and lifting hooks; the lifting fixing column is vertically arranged at the top center of the fixed installation base, and the lifting rotating column is vertically arranged at In the center of the top of the hoisting fixed column, the hoisting rotating column is arranged coaxially with the hoisting fixing column and relatively rotates; the hydraulic control device is fixedly arranged on the top of the hoisting rotating column, and the The output ends of the hydraulic control device are respectively connected to the pair of hydraulic drive arms, and the pair of hydraulic drive arms are turned over by the hydraulic control device; one end of the pair of hydraulic drive arms is respectively passed through the A plurality of connection pins are connected to the two side end surfaces of the hydraulic control device, and one end of the pair of sliding balance arms is respectively corresponding to the pair of hydraulic drive arms through the plurality of connection pins. connection; the pair of sliding arm slots are respectively symmetrically arranged on the two side end faces of the hydraulic control device, the middle parts of the pair of sliding balance arms are connected by the connecting pin shaft, and the connecting The pin shaft passes through the pair of sliding arm slots, and slides up and down along the pair of sliding arm slots; one end of the first lifting arm is connected to the pair of hydraulic drive via the connecting pin shaft. Between the joint of the arm and the pair of sliding balance arms, the pair of hydraulic drive arms, the pair of sliding balance arms and the first lifting arm rotate through the connecting pin shaft, and the second lifting arm One end of the arm is connected to the other end of the first lifting arm through the rotating joint, and the second lifting arm is rotated through the rotating joint; one end of the third lifting arm is connected through the The connecting pin is connected between the middle parts of the pair of hydraulically driven arms, the third lifting arm rotates through the connecting pin, and the other end of the third lifting arm passes through the connecting pin The shaft is connected with the second lifting arm; the lifting hook is arranged at the other end of the second lifting arm.

In the above-mentioned hydraulic mechanical lifting arm, the other ends of the pair of sliding balance arms are respectively provided with counterweights, and the counterweights rotate synchronously with the pair of sliding balance arms.

The above-mentioned hydraulic mechanical lifting arm, wherein, a plurality of suspension rings are provided on the connecting pin shaft between the pair of sliding balance arms, and one or more additional counterweight devices are hooked on the plurality of suspension rings superior.

The above-mentioned hydraulic mechanical lifting arm, wherein, the bottom of the lifting rotating column is provided with a rotating drive device, and the lifting rotating column is rotated by the rotating driving device.

In the above-mentioned hydraulic mechanical lifting arm, a plurality of reinforcement ribs are arranged at intervals on the fixed installation base, and the plurality of reinforcement ribs, the fixed installation base and the hoisting fixing column are connected into an integrated structure.

The utility model can be used for hoisting goods, has small volume, is suitable for use in a small space, has low cost and is easy to operate.

Description of drawings

Fig. 1 is the front view of the utility model hydraulic mechanical lifting arm.

Fig. 2 is a side view of a pair of sliding balance arms of the hydraulic mechanical lifting arm of the present invention.

detailed description

Further illustrate the embodiment of the present utility model below in conjunction with accompanying drawing.

Please refer to the accompanying drawing 1, a hydraulic mechanical lifting arm, including a lifting fixed column 1, a lifting rotating column 2, a fixed installation base 3, a hydraulic control device 4, a pair of hydraulic drive arms 5, and a pair of sliding balance arms 6 , a pair of sliding arm grooves 7, the first lifting arm 8, the second lifting arm 9, the third lifting arm 10, a plurality of connecting pin shafts 11, swivel joints 12 and lifting hooks 13; the lifting and fixing column 1 is vertical It is arranged at the top center of the fixed installation base 3, and the hoisting rotating column 2 is vertically arranged at the top center of the hoisting fixed column 1, and the hoisting rotating column 2 and the hoisting fixed column 1 Coaxially arranged and relatively rotated; the hydraulic control device 4 is fixedly arranged on the top of the hoisting rotating column 2, and the output ends of the hydraulic control device 4 are respectively connected to the pair of hydraulic drive arms 5, The pair of hydraulically driven arms 5 are turned over by the hydraulic control device 4; one end of the pair of hydraulically driven arms 5 is respectively connected to the hydraulic control device 4 through the plurality of connecting pins 11 On both sides of the end face, one end of the pair of sliding balance arms 6 is respectively connected to the pair of hydraulic drive arms 5 through the plurality of connecting pins 11; the pair of sliding arm grooves 7 They are arranged symmetrically on both side end surfaces of the hydraulic control device 4 respectively, and the middle parts of the pair of sliding balance arms 6 are connected by the connecting pin 11, and the connecting pin 11 runs through the A pair of sliding arm grooves 7, and slide up and down along the pair of sliding arm grooves 7; one end of the first lifting arm 8 is connected to the pair of hydraulic drive arms 5 through the connecting pin shaft 11 Between the joints with the pair of sliding balance arms 6, the pair of hydraulic drive arms 5, the pair of sliding balance arms 6 and the first lifting arm 8 rotate through the connecting pin 11, and the One end of the second lifting arm 9 is connected to the other end of the first lifting arm 8 through the rotary joint 12, and the second lifting arm 9 rotates through the rotary joint 12; One end of the three lifting arms 10 is connected between the middle parts of the pair of hydraulically driven arms 5 through the connecting pin shaft 11, the third lifting arm 10 is rotated through the connecting pin shaft 11, and the The other end of the third lifting arm 10 is connected to the second lifting arm 9 through the connecting pin 11; the lifting hook 13 is arranged at the other end of the second lifting arm 9.

The other ends of the pair of sliding balance arms 6 are respectively provided with counterweights 14, and the counterweights 14 rotate synchronously with the pair of sliding balance arms 6, and the counterweights 14 are used to maintain the weight of the utility model. The overall balance makes it easy to lift heavy items.

Please refer to the accompanying drawing 2, on the connecting pin 11 between the pair of sliding balance arms 6, there are multiple suspension rings 15, and one or more additional counterweight devices are hooked on the multiple suspension rings 15. On the ring 15, it can be used to increase the counterweight.

The bottom of the hoisting rotary column 2 is provided with a rotary drive device 16, and the hoisting rotary column 2 rotates through the rotary drive device 16, which can be used to control the steering of the hoisting rotary column 2 and the lifting arm, which is convenient for hoisting operations .

The fixed installation base 3 is provided with a plurality of reinforcing ribs 17 at intervals, and the plurality of reinforcing ribs 17, the fixed installation base 3 and the hoisting fixing column 1 are connected into an integrated structure, which can enhance the stability and bearing capacity of the bottom.

During use, the hoisting fixed column 1 is fixedly installed on the ground through the fixed installation base 3, the hoisting rotating column 2 can drive the steering of the first hoisting arm 8, the second hoisting arm 9 and the third hoisting arm 10, and the hydraulic control device 4 drives a Rotate the hydraulically driven arm 5 upwards, so that the first lifting arm 8, the second lifting arm 9 and the third lifting arm 10 are stretched through a plurality of connecting pin shafts 11 and rotary joints 12, and a pair of sliding balance arms 6 slide along a pair of Arm groove 7 slides upwards, plays the effect of balance, and article can be hoisted on the hoisting hook 13.

In the present utility model, the hydraulic control device 4 drives a pair of hydraulic drive arms 5 to rotate after being energized, which belongs to the prior art, and the present utility model will not repeat them here. In the present utility model, driving the hoisting rotating column 2 to rotate after being energized by the rotary driving device 16 belongs to the prior art, and the present utility model will not repeat them here.

In the description of the present utility model, it should be understood that the terms "vertical", "top", "central", "coaxial", "one end", "both sides", "upper", "lower", " The orientations or positional relationships indicated by "both sides", "middle", "the other end", "bottom", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "installation", "connection", "fixation", and "hoisting" should be understood in a broad sense, for example, it can be a fixed connection, or It can be a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; it can be the internal communication of two components or the interaction relationship between two components , unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

To sum up, the utility model can be used for hoisting goods, has a small volume, is suitable for use in a small space, has low cost, and is easy to operate.

The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structural transformation made by the contents of the specification of the utility model, or direct or indirect use of the technical fields attached to other related products , are all included in the scope of patent protection of the utility model in the same way.

Claims (5)

1. A hydraulic mechanical lifting arm, characterized in that it includes a lifting fixed column, a lifting rotating column, a fixed mounting base, a hydraulic control device, a pair of hydraulic drive arms, a pair of sliding balance arms, a pair of sliding arm slots, a first A hoisting arm, a second hoisting arm, a third hoisting arm, multiple connecting pins, swivel joints and hoisting hooks; the hoisting fixing column is vertically arranged at the top center of the fixed installation base, and the hoisting The rotating column is vertically arranged at the center of the top of the hoisting fixed column, and the hoisting rotating column is arranged coaxially with the hoisting fixed column and relatively rotates; the hydraulic control device is fixedly installed on the hoisting rotating column At the top of the column, the output ends of the hydraulic control device are respectively connected to the pair of hydraulic drive arms, and the pair of hydraulic drive arms are turned over by the hydraulic control device; the pair of hydraulic drive arms One end of the pair of sliding balance arms is respectively connected to the two side end faces of the hydraulic control device through the plurality of connecting pins, and one end of the pair of sliding balance arms is respectively connected to the said plurality of connecting pins. A pair of hydraulic drive arms are correspondingly connected; the pair of sliding arm grooves are symmetrically arranged on the two side end faces of the hydraulic control device, and the middle parts of the pair of sliding balance arms are connected by the connecting pin , and the connecting pin passes through the pair of sliding arm slots, and slides up and down along the pair of sliding arm slots; one end of the first lifting arm is connected to the Between the joints between the pair of hydraulic drive arms and the pair of sliding balance arms, the pair of hydraulic drive arms, the pair of sliding balance arms and the first lifting arm rotate through the connecting pin shaft, One end of the second lifting arm is connected to the other end of the first lifting arm through the rotary joint, and the second lifting arm rotates through the rotary joint; the third lifting arm One end of one end is connected between the middle parts of the pair of hydraulically driven arms through the connecting pin shaft, the third lifting arm is rotated through the connecting pin shaft, and the other end of the third lifting arm is It is connected with the second lifting arm through the connecting pin; the lifting hook is arranged at the other end of the second lifting arm. 2. The hydraulic mechanical lifting arm according to claim 1, characterized in that: the other ends of the pair of sliding balance arms are respectively provided with counterweights, and the counterweights and the pair of sliding The balance arm rotates synchronously. 3. The hydraulic mechanical lifting arm according to claim 2, characterized in that: the connecting pin between the pair of sliding balance arms is provided with a plurality of suspension rings, and one or more additional counterweight device hooks Hang on the multiple hanging loops as described. 4. The hydraulic mechanical lifting arm according to claim 1, characterized in that: the bottom of the lifting rotating column is provided with a rotating drive device, and the lifting rotating column is rotated by the rotating driving device. 5. The hydraulic mechanical lifting arm according to claim 1, characterized in that: the fixed installation base is provided with a plurality of reinforcing ribs at intervals, and the plurality of reinforcing ribs, the fixed installation base and the hoisting fixing column are connected into one structure.