Rhombic mechanism jacking device

Abstract

The utility model relates to a rhombic mechanism jacking device, and discloses a wind power horizontal blade hoisting stabilizing device. The rhombic mechanism jacking device comprises a rhombic mechanism and a power source, the rhombic mechanism comprises an upper installation base, a lower installation base, a rhombic plane four-bar mechanism, a transmission device, a left hanging ring beam and a right hanging ring beam, the upper installation base and the lower installation base are hinged to an upper hinge point and a lower hinge point of the rhombic plane four-bar mechanism respectively, and the left hanging ring beam and the right hanging ring beam are installed at the left hinge point and the right hinge point respectively. The power source adopts a gear motor, the transmission device adopts a ball screw pair, one end of a lead screw of the ball screw pair penetrates through the left lifting ring beam and is connected with an output shaft of the gear motor, the lead screw is supported on the left lifting ring beam through a bearing, an inner ring of the bearing is fixedly sleeved on the outer surface of the end part of the lead screw, and an outer ring of the bearing is fixed on the inner wall of the left lifting ring beam. The outer surface of the lead screw nut is fixed to the inner wall of the right hanging ring beam. The rhombic mechanism jacking device is simple in structure, easy to operate, low in cost and small in occupied space.

Description

Technical Field

[0001] The utility model belongs to the field of hoisting machinery, and in particular relates to a hoisting stabilizing device for horizontal wind turbine blades. Background Art

[0002] my country's wind power industry has experienced rapid growth in recent years. Based on practical considerations, existing blade hoisting equipment often utilizes hydraulic pressure arms to stabilize the blades, ensuring stability and safety during the hoisting process. As wind turbine models expand, blades grow in size and weight, and the hydraulic cylinders and hydraulic stations required to drive the pressure arms are also increasing in size, occupying more space, increasing weight, and increasing costs. This places higher demands on the strength of the single-blade hoist itself.

[0003] In order to develop blade hangers in a simple, efficient, green and low-cost manner, it is urgent to design a device that can press down and lift the pressure arm with simple structure, easy operation, low cost and small space occupation. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a diamond-shaped lifting device which has a simple structure, is easy to operate, has a low cost and occupies a small space and can press down and lift a pressure arm.

[0005] The utility model discloses a diamond mechanism jacking device, comprising a diamond mechanism, a power source for providing jacking force for the diamond mechanism, the diamond mechanism comprising an upper mounting seat, a lower mounting seat, a diamond plane four-bar mechanism, a transmission device, a left lifting ring beam, and a right lifting ring beam, the diamond plane four-bar mechanism having an upper hinge point, a lower hinge point, a left hinge point, and a right hinge point, a total of four hinge points, the upper mounting seat is hinged to the upper hinge point of the diamond plane four-bar mechanism, the lower mounting seat is hinged to the lower hinge point of the plane four-bar mechanism, the left lifting ring is hinged to the left lifting ring, and the lower hinge point is hinged to the left lifting ring. The crossbeam is installed at the left hinge point, and the right lifting ring crossbeam is installed at the right hinge point. The power source adopts a reduction motor, and the transmission device adopts a ball screw pair. One end of the screw of the ball screw pair passes through the left lifting ring crossbeam and is connected to the output shaft of the reduction motor through a coupling. The screw is supported on the left lifting ring crossbeam through a bearing, and the inner ring of the bearing is fixed to the outer surface of the end of the screw, and the outer ring of the bearing is fixed to the inner wall of the left lifting ring crossbeam. The outer surface of the screw nut of the ball screw pair is fixed to the inner wall of the right lifting ring crossbeam.

[0006] The utility model discloses a diamond mechanism jacking device, wherein the diamond plane four-bar mechanism includes two diamond mechanism arms, two diamond mechanism arms, an upper pin shaft, and a lower pin shaft. The diamond mechanism arm is composed of two large arm bending plates and a plurality of ribs connecting the two large arm bending plates into one. The diamond mechanism arm is composed of two small arm bending plates and a plurality of ribs connecting the two small arm bending plates into one. The distance between the two large arm bending plates is greater than the distance between the two small arm bending plates. The upper mounting seat includes an upper base plate and two lower hanging ears fixed to the lower surface of the upper base plate at intervals as a whole with the upper base plate. The upper base plate is provided with mounting holes for connecting to the beam body. The corresponding holes of the two lower hanging ears The cam is secured to the upper and lower surfaces of the chassis and is secured to the chassis at a location where the cam is secured. The cam is secured to the lower surface of the chassis and is secured to the chassis at a location where the cam is secured.

[0007] The utility model provides a diamond-shaped mechanism lifting device, wherein the lead screw is provided with a protective cover.

[0008] The utility model discloses a diamond-shaped mechanism lifting device, wherein the power source adopts a planetary reduction DC motor, the coupling adopts a roller chain coupling, and the bearing adopts a tapered roller bearing.

[0009] The utility model provides a diamond-shaped mechanism jacking device, wherein the power source and the transmission device are connected through a belt transmission mechanism, a chain transmission mechanism, a bevel gear transmission mechanism or a worm gear transmission mechanism.

[0010] The utility model provides a diamond-shaped mechanism jacking device, wherein the distance between the upper mounting seat and the lower mounting seat is 576-1352 mm, and the distance L between the upper hinge point and the lower hinge point of the device is 386-1162 mm.

[0011] The utility model provides a diamond-shaped mechanism jacking device, wherein the transmission device is replaced by a crank slider mechanism or a Scotch yoke.

[0012] The utility model provides a diamond-shaped mechanism jacking device, wherein the power source is replaced by a hydraulic motor or a hand-cranked device.

[0013] Beneficial effects of the diamond-shaped lifting device of the utility model:

[0014] The utility model relates to a diamond-shaped lifting device which has the advantages of simple structure, easy operation, low cost and small space occupation and can press down and lift the pressure arm.

[0015] 1) This device is a structure in which a power source drives a transmission device to control the lifting or contraction of a diamond mechanism and thereby drives the pressure arm to work. It is suitable for contact and pressing fixation of the pressure arm during horizontal lifting of blades. Compared with the use of a hydraulic cylinder to drive the pressure arm, this device makes the horizontal blade hoist without a hydraulic device, simple in structure, easy to operate, low in cost, space-saving, and greatly reduces the failure rate.

[0016] 2) The main body of this device is a diamond-shaped mechanism. The upper and lower hinge points generate a large lifting force, and the farther the two points are, the greater the force. While generating the lifting force, it also has a certain pressure rod stability and can withstand a certain lateral force.

[0017] 3) The diamond-shaped structure of the device is foldable as a whole. When folded, it occupies a small space and has a light weight, making it easy to transport.

[0018] 4) The device has various installation methods and a wide range of applications. It can be applied to other working scenarios by simply changing the upper and lower mounting bases.

[0019] The diamond-shaped mechanism lifting device of the present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional diagram of the diamond-shaped mechanism lifting device of the utility model;

[0021] Figure 2 This is a front sectional view of the diamond-shaped mechanism jacking device of the utility model;

[0022] Figure 3 for Figure 2 The enlarged view of point I in the middle;

[0023] Figure 4 for Figure 5 Enlarged view of position II in the middle;

[0024] Figure 5 This is a left-side stepped sectional view of the diamond-shaped mechanism jacking device of the utility model;

[0025] Figure 6 This is a diagram showing the diamond-shaped lifting device of the utility model in use;

[0026] Figure 7 This is a state diagram of the diamond-shaped mechanism jacking device of the utility model before jacking;

[0027] Among them: 1-diamond mechanism lifting device, 11-diamond mechanism, 111-upper mounting seat, 1111-upper base plate, 1112-lower lifting ear, 112-lower mounting seat, 1121-lower base plate, 1122-upper lifting ear, 113-diamond plane four-bar mechanism, 1131-diamond mechanism arm, 11311-arm bending plate, 11312-arm rib plate, 1132-diamond mechanism small arm, 11321 -Forearm bending plate, 11322-forearm rib plate, 1133-upper pin, 1134-lower pin, 114-transmission device, 1141-screw, 1142-bearing, 1143-protective cover, 1144-screw nut, 115-left lifting ring beam, 116-right lifting ring beam, 12-power source, 121-output shaft, 122-coupling, 1'-beam body, 2'-pressure arm, 3'-pressed object. DETAILED DESCRIPTION

[0028] like Figure 1 、 2 As shown in Figure 5, the diamond mechanism lifting device of the utility model includes a diamond mechanism 11 and a power source 12 that provides a lifting force for the diamond mechanism 11. The diamond mechanism 11 includes an upper mounting seat 111, a lower mounting seat 112, a diamond plane four-bar mechanism 113, a transmission device 114, a left lifting ring beam 115, and a right lifting ring beam 116. The diamond plane four-bar mechanism has four hinge points, namely, an upper hinge point, a lower hinge point, a left hinge point, and a right hinge point. The upper mounting seat 111 is hinged to the upper hinge point of the diamond plane four-bar mechanism 113, the lower mounting seat 112 is hinged to the lower hinge point of the plane four-bar mechanism 113, and the left lifting ring beam 115 is mounted At the left hinge point, the right lifting ring beam 116 is installed at the right hinge point, the power source 12 adopts a reduction motor, and the transmission device 114 adopts a ball screw pair. One end of the screw 1141 of the ball screw pair passes through the left lifting ring beam 115 and is connected to the output shaft 121 of the reduction motor through the coupling 122. The screw 1141 is supported on the left lifting ring beam 115 through the bearing 1142. The inner ring of the bearing 1142 is fixed to the outer surface of the end of the screw 1141, and the outer ring of the bearing 1142 is fixed to the inner wall of the left lifting ring beam 115. The outer surface of the screw nut 1143 of the ball screw pair is fixed to the inner wall of the right lifting ring beam 116.

[0029] like Figure 1-4As shown, the diamond plane four-bar mechanism 113 includes two diamond mechanism arms 1131, two diamond mechanism arms 1132, an upper pin 1133, and a lower pin 1134. The diamond mechanism arm 1131 is composed of two arm bending plates 11311 and a plurality of arm ribs 11312 that connect the two arm bending plates into one. The diamond mechanism arm 1132 is composed of two arm bending plates and a plurality of arm ribs 11322 that connect the two arm bending plates into one. The distance between the two arm bending plates is greater than the distance between the two arm bending plates. The upper mounting seat 111 includes an upper base plate 1111 and two lower hanging ears 1112 that are fixed to the lower surface of the upper base plate at intervals with the upper base plate 1111. A mounting hole for connecting to the beam body 1' is provided on the upper base plate 1111, and a bolt is provided in the mounting hole. The corresponding positions of the two lower hanging ears 1112 are provided with upper pin hinges. The lower mounting seat 112 includes a lower base plate 1121 and two upper lifting ears 1122 fixed to the upper surface of the lower base plate at intervals with the lower base plate 1121 as a whole. The lower base plate 1121 is provided with a mounting hole for connecting with the pressure arm 2', and a bolt is set in the mounting hole. The corresponding positions of the two upper lifting ears 1122 are provided with lower pin hinge holes, and the small end of one diamond mechanism big arm 1131, the small end of one diamond mechanism small arm 1132, and the upper mounting seat 111 are hinged through the upper pin 1133 to form an upper hinge point, and the small end of the other diamond mechanism big arm 1131, the small end of the other diamond mechanism small arm 1132, and the lower mounting seat 112 are hinged through the lower pin 1134 to form a lower hinge point, and the big ends of the two diamond mechanism big arms 1131 are respectively hinged to the big ends of the two diamond mechanism small arms 1132 and are respectively fixed to the left lifting ring beam 115 and the right lifting ring beam 116. Reinforcement ribs are also provided on the outer sides of the upper and lower mounting seats.

[0030] like Figure 1 As shown, the screw 1141 is provided with a protective cover 1143 .

[0031] Specifically, the power source 12 adopts a planetary reduction DC motor, the coupling 122 adopts a roller chain coupling, and the bearing 1142 adopts a tapered roller bearing.

[0032] In this device, the power source 12 includes but is not limited to a reduction motor, and a device that generates a rotating force such as a hydraulic motor or a hand-cranked device can also be used. The transmission device 114 includes but is not limited to the ball screw nut pair in the embodiment, and can also use other mechanisms such as a crank slider mechanism, a Scotch yoke, etc. that can convert rotational motion into linear motion and rotational force into linear force. The connection method between the power source 12 and the transmission device 114 includes but is not limited to the direct transmission method connected by a coupling in the embodiment, and can also use a transmission method with parallel axes, right-angle axes or staggered axes between the power source and the transmission device, such as a belt drive, a chain drive, a bevel gear drive or a worm gear drive. The power source 12 is installed in a suitable position to take up less space. The upper mounting seat 111 and the lower mounting seat 112 include but are not limited to the structures in the embodiment. For example, the upper and lower mounting seats can also adopt structures such as mounting seat extension pins. As long as the main structure is a diamond plane four-bar mechanism composed of a diamond mechanism arm and a diamond mechanism arm in the embodiment.

[0033] In this device, the distance between the upper mounting seat 111 and the lower mounting seat 112 is 576-1352 mm, and the distance L between the upper hinge point and the lower hinge point of the device (see Figure 2 ) is 386-1162mm.

[0034] Figure 6 、 Figure 7 It is also a schematic diagram of the extreme position of the application scenario of this device, and the pressed object 3' is located below the pressing arm 2'. Figure 6 、 7 As shown, when in use, the upper mounting seat 111 of the diamond-shaped mechanism lifting device 1 is fixedly installed on the beam body 1' by bolts, and the lower mounting seat 112 is fixedly installed on the pressure arm 2' by bolts. When the power source 12 (reduction motor) rotates forward, the upper and lower hinge points of the diamond-shaped mechanism lifting device 1 are lifted and drive the pressure arm 2' to press down, and when reversed, the pressure arm 2' is retracted. The transmission of force is: the power source 12 transmits the rotational force to the transmission device 114, the transmission device 114 amplifies the rotational force and converts it into a linear force to transmit to the left lifting ring beam 115 and the right lifting ring beam 116, the left lifting ring beam 115 and the right lifting ring beam 116 transmit the force to the upper mounting seat 111 and the lower mounting seat 112 through the diamond plane four-bar mechanism, and then the upper and lower mounting seats are connected to other objects to realize the lifting action.

[0035] The beneficial effects of the utility model are as follows:

[0036] The utility model adopts a structure in which a power source drives a transmission device to control the lifting or contraction of a diamond mechanism and thereby drives the pressure arm to work. It is suitable for the contact and pressing fixation of the pressure arm during horizontal lifting of blades. Compared with the hydraulic cylinder driving the pressure arm, the hydraulic device of the hydraulic oil cylinder hydraulic station is not used, and the failure rate and cost are also low.

[0037] The main body of the utility model is a diamond-shaped mechanism. The upper and lower hinge points generate a large lifting force, and the farther the two points are, the greater the force is (the distance between the two points is L). While generating the lifting force, it has a certain pressure rod stability and can withstand a certain lateral force.

[0038] The utility model has a simple structure and is suitable for various scenarios requiring lifting and contraction forces. The diamond-shaped mechanism is foldable as a whole, and when folded, it takes up little space and has a low weight, making it easy to transport.

[0039] The utility model has various installation methods and can be applied to other scenes by simply changing the form of the mounting base, and has a wide range of applications.

[0040] The embodiments described above are merely descriptions of preferred implementation methods of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A diamond-shaped lifting device (1), characterized in that: The invention comprises a diamond mechanism (11) and a power source (12) for providing a lifting force for the diamond mechanism (11). The diamond mechanism (11) comprises an upper mounting seat (111), a lower mounting seat (112), a diamond plane four-bar mechanism (113), a transmission device (114), a left lifting ring beam (115), and a right lifting ring beam (116). The diamond plane four-bar mechanism has four hinge points, namely, an upper hinge point, a lower hinge point, a left hinge point, and a right hinge point. The upper mounting seat (111) is hinged to the upper hinge point of the diamond plane four-bar mechanism (113), the lower mounting seat (112) is hinged to the lower hinge point of the plane four-bar mechanism (113), the left lifting ring beam (115) is installed at the left hinge point, and the right lifting ring beam (116) is hinged to the left hinge point. The beam (116) is installed at the right hinge point, the power source (12) adopts a reduction motor, the transmission device (114) adopts a ball screw pair, one end of the screw (1141) of the ball screw pair passes through the left lifting ring beam (115) and is connected to the output shaft (121) of the reduction motor through a coupling (122), the screw (1141) is supported on the left lifting ring beam (115) through a bearing (1142), the inner ring of the bearing (1142) is fixed to the outer surface of the end of the screw (1141), the outer ring of the bearing (1142) is fixed to the inner wall of the left lifting ring beam (115), and the outer surface of the screw nut (1144) of the ball screw pair is fixed to the inner wall of the right lifting ring beam (116);The diamond-shaped plane four-bar mechanism (113) comprises two diamond-shaped mechanism large arms (1131), two diamond-shaped mechanism small arms (1132), an upper pin shaft (1133), and a lower pin shaft (1134). The diamond-shaped mechanism large arms (1131) are composed of two large arm bending plates and a plurality of rib plates connecting the two large arm bending plates into one. The diamond-shaped mechanism small arms (1132) are composed of two small arm bending plates and a plurality of rib plates connecting the two small arm bending plates into one. The distance between the upper arm bending plates is greater than the distance between the two lower arm bending plates. The upper mounting seat (111) includes an upper base plate (1111) and two lower hanging ears (1112) fixed to the lower surface of the upper base plate at intervals and fixed as a whole with the upper base plate (1111). The upper base plate (1111) is provided with a mounting hole for connecting with the beam body (1'). The corresponding positions of the two lower hanging ears (1112) are provided with upper pin hinge holes. The lower mounting seat (112) The invention comprises a lower base plate (1121) and two upper hanging ears (1122) fixed to the upper surface of the lower base plate at intervals, wherein the lower base plate (1121) is provided with a mounting hole for connecting with the pressure arm (2'), and the corresponding positions of the two upper hanging ears (1122) are provided with lower pin hinge holes, wherein the small end of one of the large arms (1131) of the diamond mechanism, the small end of one of the small arms (1132) of the diamond mechanism, and the upper mounting seat (11 1) An upper hinge point is formed by hinged connection via an upper pin (1133), and a lower hinge point is formed by hinged connection via a lower pin (1134) with the small end of another rhombus mechanism arm (1131), the small end of another rhombus mechanism arm (1132), and the lower mounting base (112). The large ends of the two rhombus mechanism arms (1131) are respectively hinged to the large ends of the two rhombus mechanism arms (1132) and are respectively fixed to the left lifting ring beam (115) and the right lifting ring beam (116).

2. The diamond-shaped lifting device according to claim 1, characterized in that: The lead screw (1141) is provided with a protective cover (1143).

3. The diamond-shaped lifting device according to claim 2, characterized in that: The power source (12) adopts a planetary reduction DC motor, the coupling (122) adopts a roller chain coupling, and the bearing (1142) adopts a tapered roller bearing.

4. The diamond-shaped lifting device according to claim 3, characterized in that: The power source (12) is connected to the transmission device (114) via a belt transmission mechanism, a chain transmission mechanism, a bevel gear transmission mechanism or a worm gear transmission mechanism.

5. The diamond-shaped lifting device according to claim 4, characterized in that: The distance between the upper mounting seat (111) and the lower mounting seat (112) is 576-1352 mm, and the distance L between the upper hinge point and the lower hinge point of the device is 386-1162 mm.

6. The diamond-shaped lifting device according to claim 5, characterized in that: The transmission device (114) is replaced by a crank slider mechanism or a Scotch yoke.

7. The diamond-shaped lifting device according to claim 6, characterized in that: The power source is replaced by a hydraulic motor or a hand crank device.

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