CN215854736U

CN215854736U - Small crank arm hydraulic lifter

Info

Publication number: CN215854736U
Application number: CN202122303154.6U
Authority: CN
Inventors: 马建兴; 蒋谷富
Original assignee: Suzhou Lands Aluminum Alloy Lifting Machinery Co ltd
Current assignee: Suzhou Lands Aluminum Alloy Lifting Machinery Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-18
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a small crank arm hydraulic lifter, comprising: the lifting mechanism also comprises a supporting arm and a crank arm, the supporting arm is arranged on the rotating disc, one end of the supporting arm, which is far away from the rotating disc, is rotatably connected with the crank arm, a balance frame is arranged at the free end of the crank arm, and a telescopic rod is also arranged between the supporting arm and the crank arm; the base frame comprises a frame body and a plurality of idler wheels arranged at the bottom of the frame body, wherein the idler wheels comprise fixed wheels, steering wheels and stabilizing wheels, connecting rods of the stabilizing wheels penetrate through the upper surface of the frame body and are fixedly connected with a rotating disc, and the stabilizing wheels and the connecting rods thereof can rotate around the axis of the rotating disc.

Description

Small crank arm hydraulic lifter

Technical Field

The utility model relates to lifting equipment, in particular to a small crank arm hydraulic lifter.

Background

Along with the development of social science and technology, the application of the aluminum alloy elevator is more and more extensive, no matter the elevator is a hydraulic elevator, civil engineering and daily life of people, the elevator has the advantages of beautiful appearance, small volume, light weight, stable lifting, safety, reliability and the like, the highest lifting capacity can be exerted in a minimum space, when the elevator and the crank arm type lifting platform are lifted to any position, the elevator can work while walking, the structure is compact, the steering is flexible, the width of the floor can ensure that equipment enters a narrow passage and a crowded working area, a standby power device is also arranged, the working platform can be operated to reset, the elevator can be pulled to any place in a convenient transportation mode, a hydraulic self-propelled special chassis adopts a large-angle back-up type hinge point structure, and a plurality of counterweight modules are arranged, for balancing the working torque.

However to the limited small-size lift practical scene in space, be difficult to adopt the very big back formula of occupation hinge structure, and the use of balancing weight has weakened small-size lift's flexibility in a large number, more importantly, the present crank arm lift that can realize three-dimensional rotatory lift, all need adopt the special chassis of formula of learning, be used for satisfying the goods at the arbitrary height of lift in-process, the adjustment requirement of optional position and arbitrary direction, its equipment cost is higher, do not have one kind at present and compromise the crank arm jacking equipment of low cost and high stability.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides a small crank arm hydraulic lifter.

In order to achieve the purpose, the utility model adopts the technical scheme that: a small crank hydraulic elevator comprising: bed frame and connection hoist mechanism on the bed frame, its characterized in that: a rotating disc is arranged at the connecting position of the lifting mechanism and the base frame, the lifting mechanism further comprises a supporting arm and a crank arm, the supporting arm is arranged on the rotating disc, one end, far away from the rotating disc, of the supporting arm is rotatably connected with the crank arm, a balancing rod is arranged at the free end of the crank arm, and a telescopic rod is further arranged between the supporting arm and the crank arm; the base frame includes the support body and sets up a plurality of gyro wheels of support body bottom, the gyro wheel includes the fixed pulley, turns to wheel and stabilizer pulley, the connecting rod of stabilizer pulley passes the support body upper surface, and with rolling disc fixed connection, stabilizer pulley and connecting rod can wind the rolling disc axis rotates.

In a preferred embodiment of the utility model, the balance bar comprises at least two support rods, and the free ends of the support rods are provided with hooks.

In a preferred embodiment of the utility model, a plurality of said struts are distributed in a circumferential array about said balance bar axis.

In a preferred embodiment of the utility model, the balance bar is rotatably connected with the free end of the crank arm, and the rotating plane of the balance bar is vertical.

In a preferred embodiment of the utility model, a torsion spring is further arranged at the connecting position of the balance bar and the crank arm.

In a preferred embodiment of the present invention, the rotating disc includes an upper disc body and a lower disc body, and the upper disc body is rotatably connected to the lower disc body.

In a preferred embodiment of the present invention, the lower tray is fixed on the upper surface of the frame body, and the upper tray is fixedly connected to the supporting arm.

In a preferred embodiment of the present invention, the connecting rod of the stabilizing wheel passes through the upper surface of the frame body and the central position of the lower tray body, and is fixedly connected with the upper tray body.

In a preferred embodiment of the present invention, the telescopic rod is powered by a hydraulic system.

In a preferred embodiment of the present invention, a connection point of the telescopic rod and the crank arm is far away from a free end of the crank arm.

The utility model solves the defects in the background technology, and has the following beneficial effects:

(1) according to the utility model, the bottom of the supporting arm is connected with the stabilizing wheel which can rotate along with the lifting of goods, so that when the crank arm lifts and rotates, the stabilizing wheel can provide a sufficient oblique supporting effect, the stability of the device is improved, the device is effectively placed to topple, and the rotation of the stabilizing wheel can be matched with the steering wheel, so that the lifting machine can be steered more conveniently and flexibly when being pushed;

(2) according to the utility model, the balance rod formed by combining a plurality of support rods in a circumferential array is arranged at the free end position of the crank arm, so that when the balance rod is used for suspending goods, the tension applied to each position of the goods can be dispersed, the coiling and winding among suspension lifting ropes are avoided, and the torsion spring is arranged between the crank arm and the balance rod, so that the rotation of the goods during suspension is further placed, and the transportation stability of the device is improved.

(3) According to the utility model, one end of the telescopic rod is arranged at a position far away from the free end of the crank arm, so that a large amount of space is reserved for goods, and the other end of the telescopic rod is arranged at the middle position of the supporting arm, so that the rotating range of the crank arm in the vertical direction is ensured, and the lifting capability of the crank arm is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

FIG. 1 is a perspective block diagram of a preferred embodiment of the present invention;

FIG. 2 is a block diagram of a lifting mechanism of a preferred embodiment of the present invention;

in the figure: 1. a support arm; 11. rotating the disc; 111. an upper tray body; 112. a lower tray body; 113. a connecting rod; 2. A crank arm; 3. a balancing pole; 31. a strut; 4. a telescopic rod; 5. a base frame; 51. a stabilizing wheel; 52. a fixed wheel; 53. and a steering wheel.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings illustrating only the basic structure of the utility model and thus showing only the constructions relating to the utility model, and also with reference to "an embodiment", "one embodiment" or "another embodiment" in the description of the utility model indicating that a particular feature, structure or characteristic described in connection with the embodiment is included in at least some embodiments, but not necessarily all embodiments.

A small crank 2 hydraulic lift as shown in fig. 1, having flexibility and stability for rotating or lifting goods in a small range or for transferring a patient to a bed, comprising: the lifting mechanism comprises a base frame 5 and a lifting mechanism connected to the base frame 5, wherein the base frame 5 adopts a diffusion type support and is used for reducing the gravity center of the whole device after goods loading, so that the stability is improved, a rotating disc 11 is arranged at the connecting position of the lifting mechanism and the base frame 5, the lifting mechanism also comprises a supporting arm 1 and a crank arm 2, the supporting arm 1 is arranged on the rotating disc 11, one end, far away from the rotating disc 11, of the supporting arm is rotatably connected with the crank arm 2, the rotating disc can drive the supporting arm 1 and the crank arm 2 to rotate in the horizontal direction, a balancing rod is arranged at the free end of the crank arm 2, a telescopic rod 4 is further arranged between the supporting arm 1 and the crank arm 2, an electric hydraulic push rod is preferably adopted, other accessory equipment does not need to be installed, the working space is greatly saved, and the flexibility of movement is guaranteed;

as shown in fig. 2, the base frame 5 comprises a frame body and a plurality of rollers arranged at the bottom of the frame body, the rollers comprise a fixed roller 52, a steering roller 53 and a stabilizing roller 51, wherein the steering roller 53 is positioned at the rear side of the fixed roller 52 in the pushing direction, the flexibility of steering is improved, and the rollers are positioned at the edge position of the base frame 5, the stability of the device is ensured, the support of the middle position of the device is provided by the stabilizing roller 51, the connecting rod 113 of the stabilizing roller 51 penetrates through the upper surface of the frame body and is fixedly connected with the rotating disc 11, the stabilizing roller 51 and the connecting rod 113 thereof can rotate around the axis of the rotating disc 11, thereby matching with the rotation of goods and providing the adaptive gravity center adjustment.

As shown in fig. 1 a small-size 2 hydraulic elevator that cranks arm, the balancing pole include two

branch

31, and 31 free ends of branch are provided with the couple, and two branch 31 wind the balancing pole axis is circumference array distribution, the balancing pole with 2 free ends of cranking arm rotate to be connected, and it rotates plane vertical to provide the certain ability of rocking from beginning to end of goods, reduce the direct arm of force influence of goods to 2 of cranking arm, avoid 2 and the damage of the 1 hookup location of support arm, in the one embodiment simultaneously, the balancing stand with 2 hookup location of cranking arm still is provided with torsion spring, has provided certain position resilience ability for goods.

In one embodiment, the rotating disc 11 includes an upper disc body 111 and a lower disc body 112, the upper disc body 111 is rotatably connected to the lower disc body 112, the lower disc body 112 is fixed to the upper surface of the frame body, the upper disc body 111 is fixedly connected to the support arm 1, through holes are formed in the lower disc body 112 and the upper surface of the frame body, and a connecting rod 113 connected to the stabilizing wheel 51 penetrates through the upper surface of the frame body and the center of the lower disc body 112 and is fixedly connected to the upper disc body 111.

It should be noted that, in the present invention, the upper disc body is rotated by a rotating motor (not shown), and may be disposed on the upper surface of the base frame, or may be disposed near the bottom stabilizing wheel.

According to the utility model, the bottom of the supporting arm 1 is connected with the stabilizing wheel 51 which can rotate along with the lifting, so that when the crank arm 2 lifts and rotates goods, the stabilizing wheel 51 can provide a sufficient oblique supporting effect, the stability of the device is improved, the device is effectively placed to topple, and the rotation of the stabilizing wheel 51 can be matched with the steering wheel 53, so that the lifting machine can be more conveniently and flexibly steered when being pushed;

according to the utility model, the balance rod 3 formed by combining a plurality of support rods 31 in a circumferential array is arranged at the free end position of the crank arm 2, so that when goods are hung on the balance rod 3, the tension force applied to each position of the goods can be dispersed, the coiling and winding among hanging lifting ropes are avoided, and the torsion spring is arranged between the crank arm 2 and the balance rod 3, so that the rotation of the goods during hanging is further placed, and the transportation stability of the device is improved.

According to the utility model, one end of the telescopic rod 4 is arranged at a position far away from the free end of the crank arm 2, so that a large amount of space is reserved for goods, and the other end of the telescopic rod 4 is arranged at the middle position of the supporting arm 1, so that the rotating range of the crank arm 2 in the vertical direction is ensured, and the lifting capability of the crank arm is improved.

It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A small crank hydraulic elevator comprising: bed frame and connection hoist mechanism on the bed frame, its characterized in that:

a rotating disc is arranged at the connecting position of the lifting mechanism and the base frame, the lifting mechanism further comprises a supporting arm and a crank arm, the supporting arm is arranged on the rotating disc, one end, far away from the rotating disc, of the supporting arm is rotatably connected with the crank arm, a balancing rod is arranged at the free end of the crank arm, and a telescopic rod is further arranged between the supporting arm and the crank arm;

the base frame includes the support body and sets up a plurality of gyro wheels of support body bottom, the gyro wheel includes the fixed pulley, turns to wheel and stabilizer pulley, the connecting rod of stabilizer pulley passes the support body upper surface, and with rolling disc fixed connection, stabilizer pulley and connecting rod can wind the rolling disc axis rotates.

2. A small crank arm hydraulic lifter according to claim 1, characterized in that: the balance bar comprises at least two support bars, and the free ends of the support bars are provided with hooks.

3. A small crank arm hydraulic lifter according to claim 2, characterized in that: the support rods are distributed in a circumferential array around the axis of the balance rod.

4. A small crank arm hydraulic lifter according to claim 1, characterized in that: the balance rod is rotatably connected with the free end of the crank arm, and the rotating plane of the balance rod is vertical.

5. A small crank arm hydraulic lifter according to claim 4, characterized in that: and a torsion spring is further arranged at the connecting position of the balance rod and the crank arm.

6. A small crank arm hydraulic lifter according to claim 1, characterized in that: the rotating disc comprises an upper disc body and a lower disc body, and the upper disc body is rotatably connected with the lower disc body.

7. A small crank arm hydraulic lifter according to claim 6, characterized in that: the lower tray body is fixed on the upper surface of the frame body, and the upper tray body is fixedly connected with the supporting arm.

8. A small crank arm hydraulic lifter according to claim 7, characterized in that: and the connecting rod of the stabilizing wheel penetrates through the upper surface of the frame body and the central position of the lower disc body and is fixedly connected with the upper disc body.

9. A small crank arm hydraulic lifter according to claim 1, characterized in that: the telescopic rod adopts a hydraulic system to provide power.

10. A small crank arm hydraulic lifter according to claim 1, characterized in that: the connecting point of the telescopic rod and the crank arm is far away from the free end of the crank arm.