CN113134815A

CN113134815A - Generator assembly platform

Info

Publication number: CN113134815A
Application number: CN202110406316.0A
Authority: CN
Inventors: 王浩
Original assignee: Shanghai Didian Electromechanical Engineering Co ltd
Current assignee: Shanghai Didian Electromechanical Engineering Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-07-20
Anticipated expiration: 2041-04-15
Also published as: CN113134815B

Abstract

The utility model relates to a technical field of generator assembly, especially, relate to a generator assembly platform, it is including the platform main part that is equipped with the stator and places the space, establish the blotter on the stator of platform main part places the space medial surface, establish the cushion device that holds on platform main part upper surface, establish the bracing piece that is located stator and places the space both sides on platform main part upper surface, establish the work board in the platform main part, bottom plate of being connected can be dismantled with the bottom surface that the platform main part is located the stator and places the space, lay on the bottom plate and place the guide rail that space medial surface bottom extended to the stator, the jacking device on the guide rail is installed to the multiunit, install advancing device on the guide rail, erect bridge crane on platform main part upper surface and install the switch board in the platform main part. The power generator assembling device can save labor and labor during assembling of the power generator, improve assembling efficiency and reduce the possibility that parts inside the power generator are damaged.

Description

Generator assembly platform

Technical Field

The application relates to the technical field of generator assembly, in particular to a generator final assembly platform.

Background

At present, in the installation and construction process of a generator, a final assembly platform is required to be used, and operations such as horizontal placement and positioning of an outer stator of the generator, penetrating installation of an inner rotor shaft, installation of a junction box, sealing installation of an end cover and the like are sequentially completed on the final assembly platform. In the related art, the installation is completed by repeated adjustments using crane equipment and dozens of workers.

In view of the above-mentioned related technologies, the inventor finds that, in the process of assembling the generator, the use of the final assembly platform to assemble the generator has the disadvantages of low efficiency, labor and force waste, and easy damage to internal components of the generator.

Disclosure of Invention

In order to save labor and force during assembling the generator, improve the assembling efficiency and reduce the possibility that parts in the generator are damaged, the application provides a generator final assembly platform.

The application provides a generator assembly platform adopts following technical scheme:

a generator assembly platform comprises a platform main body provided with a stator placing space, a buffer cushion arranged on the inner side surface of the stator placing space of the platform main body, a bearing cushion device arranged on the upper surface of the platform main body, support rods arranged on the upper surface of the platform main body and positioned at two sides of the stator placing space, a working plate arranged on the platform main body, a bottom plate detachably connected with the bottom surface of the platform main body in the stator placing space, guide rails laid on the bottom plate and extending towards the bottom of the inner side surface of the stator placing space, a plurality of groups of jacking devices arranged on the guide rails, a propelling device arranged on the guide rails, a bridge crane erected on the upper surface of the platform main body and a control cabinet arranged on the platform main body;

the side surface where the cushion is located is vertical to the side surface where the cushion bearing device is located;

the jacking device, the propelling device and the bridge crane are all electrically connected with the control cabinet.

By adopting the technical scheme, when the generator is assembled, the control cabinet is firstly used for controlling the bridge crane to start, the bridge crane hoists the stator of the generator to the stator placing space of the platform main body, the bearing and lifting are carried out by the bearing and lifting device, then the bridge crane is used for hoisting the rotor and placing the rotor on the jacking device, the jacking device moves towards the direction close to the stator of the generator along the guide rail, after the rotor is lifted upwards to a proper mounting position, the axial line of the rotor and the axial line of the stator can be ensured, then the propulsion device is used for moving the rotor towards the inside of the stator of the generator, and then the bridge crane is used for sequentially completing the subsequent assembly of parts such as end covers and the like, the whole process is more labor-saving and labor-saving, the assembly efficiency is improved, and the rotor is not easy to shift or shake when the rotor moves towards the stator of the generator due to manual assistance in the hoisting process, the installation process of the rotor is more stable, and the possibility that parts in the generator are damaged is reduced.

Optionally, the platform main body is provided with a supporting plate on the inner side surface of the stator placing space, and the supporting plate is provided with a through hole for installing the outlet box.

Through adopting above-mentioned technical scheme, the setting up of backup pad makes the bottom of generator can receive the holding power, and the position of installation generator is more stable, and the through-hole can supply out the line box upwards by the mounted position who is removed to generator stator bottom.

Optionally, the cushion bearing device includes iron pads arranged at two sides of the platform main body at intervals, a bedplate sleeved on the support rod, and a gasket laid on the bedplate.

Through adopting above-mentioned technical scheme, the parallels can be as the bottom sprag that holds the pad device, will be used in the even dispersed transmission of load on the platen to the platform main part on, the gasket is laid on the platen, can be used for adjusting the levelness of platen upper surface, makes generator stator place more stably, makes subsequent installation accuracy and the installation effectiveness of generator higher.

Optionally, the jacking device comprises a trolley mounted on the guide rail, a hydraulic cylinder detachably connected with the trolley, and a rotor supporting plate detachably connected with a telescopic end of the hydraulic cylinder;

the hydraulic cylinder is electrically connected with the control cabinet.

Through adopting above-mentioned technical scheme, the dolly can follow guide rail reciprocating motion under the control action of switch board, and the pneumatic cylinder can be with the rotor jacking of placing on the rotor brace board to suitable mounting height, and the difficult emergence of jacking in-process rotor is rocked.

Optionally, an arc-shaped opening is formed in the rotor supporting plate.

Through adopting above-mentioned technical scheme, when the rotor was placed on rotor support fagging, enable the rotor and arrange the arc opening in, increase the area of placing of rotor, avoid the rotor to take place to rotate on rotor support fagging upper surface, influence the installation effectiveness.

Optionally, an installation groove is formed in the surface, located at the arc-shaped opening, of the rotor supporting plate, and a carrier roller is arranged in the installation groove.

Through adopting above-mentioned technical scheme, when the rotor was removed by advancing device, the setting up of bearing roller can reduce the frictional force between rotor and the rotor support board, and then avoids the rotor to cause the damage because of the friction.

Optionally, the rotor supporting plate is provided with a slot on the surface at two sides of the arc opening for placing an end cover of the generator.

By adopting the technical scheme, the edge part of the end cover of the generator can be inserted into the clamping groove, and then the end cover of the generator is moved upwards by the hydraulic cylinder and finally moved to the installation height, so that the end cover is more convenient to install.

Optionally, the jacking device further comprises a wire outlet box placing plate vertically connected to two sides of the rotor supporting plate, and an elastic cushion block is arranged on the wire outlet box placing plate.

Through adopting above-mentioned technical scheme, the elastic cushion block on the board is placed to the outlet box can be used for placing the outlet box, makes the outlet box install more convenient and fast on the stator shell of generator.

Optionally, the propelling device comprises a mounting rod, an electro-hydraulic push rod and a rotor sleeve, wherein one end of the mounting rod is fixedly connected with the trolley, the electro-hydraulic push rod is arranged at the other end of the mounting rod, and the rotor sleeve is arranged at the telescopic end of the electro-hydraulic push rod.

Through adopting above-mentioned technical scheme, the installation pole is used for installing the electric liquid push rod, and the telescopic link of electric liquid push rod drives the rotor sleeve and promotes the rotor to generator stator in, accomplishes the installation of rotor, reduces artifical use, and it is laborsaving to save labour, and the rotor is more stable at the removal in-process, and difficult emergence is rocked, avoids the rotor to damage the inside spare part of generator.

Optionally, the size of the opening of the rotor sleeve is gradually increased along the direction away from the telescopic end of the electro-hydraulic push rod, and a rubber sleeve used for being connected with the end part of the rotor in a clamped mode is arranged in the rotor sleeve.

Through adopting above-mentioned technical scheme, the rubber sleeve in the rotor sleeve enables the tip of rotor by the chucking in the rotor sleeve, makes placing and impel the installation process of rotor more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the jacking device can jack up parts such as the rotor to a proper mounting height, and then the rotor is pushed into the stator of the generator by the pushing device, so that the assembly process of the generator is more labor-saving and labor-saving, the mounting efficiency and the mounting precision are higher, and the possibility of damaging the parts in the generator can be reduced;

2. in the application, the clamping groove on the rotor supporting plate can be used for inserting the edge part of the end cover of the generator, and then the end cover of the generator is moved upwards by the hydraulic cylinder, and finally the end cover of the generator is moved to the installation height, so that the end cover is more convenient to install;

3. the elastic cushion block on the plate is placed to the outlet box in this application can be used for placing the outlet box, makes the outlet box install more convenient and fast on the stator shell of generator.

Drawings

Fig. 1 is a schematic structural diagram of an overall generator assembly platform disclosed in an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing a support plate in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a rotor supporting plate in the embodiment of the present application.

Fig. 4 is a schematic view for showing the structure of the rubber sleeve in the rotor sleeve in the embodiment of the present application.

Description of reference numerals: 11. a platform body; 111. a stator placement space; 112. a support plate; 113. a through hole; 12. a cushion pad; 21. a cushion device; 211. sizing block; 212. a platen; 213. a gasket; 22. a support bar; 31. a working plate; 41. a base plate; 51. a guide rail; 61. a jacking device; 611. a trolley; 612. a hydraulic cylinder; 613. a rotor supporting plate; 6131. an arc-shaped opening; 6132. mounting grooves; 6133. a carrier roller; 6134. a card slot; 614. an outlet box placing plate; 615. an elastic cushion block; 71. a propulsion device; 711. mounting a rod; 712. an electro-hydraulic push rod; 713. a rotor sleeve; 714. a rubber sleeve; 81. a bridge crane; 91. a control cabinet.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a generator final assembly platform. Referring to fig. 1 and 2, the assembly platform includes a platform body 11, a cushion pad 12, a cushion bearing device 21, a support rod 22, a working plate 31, a bottom plate 41, a guide rail 51, a jacking device 61, a propelling device 71, a bridge crane 81 and a control cabinet 91.

Referring to fig. 1 and 2, the platform body 11 may be formed by casting concrete, and the platform body 11 is downwardly provided with a rectangular stator accommodating space 111 for accommodating a stator housing of the generator. In addition, in order to facilitate installation of the outlet box on the platform main body 11, a supporting plate 112 is further arranged on a side surface of the platform main body 11 located in the stator placing space 111, the supporting plate 112 and the platform main body 11 are integrally cast, a through hole 113 is formed in the supporting plate 112, the through hole 113 is rectangular, and the width of the through hole 113 can enable the outlet box to pass through when moving up and down.

Referring to fig. 2, the cushion pad 12 may be a rubber pad or a sponge pad, the cushion pad 12 is adhered to a side surface of the platform body 11 in the stator placing space 111, specifically, the side surface of the cushion pad 12 is perpendicular to the side surface of the cushion bearing device 21, when the generator rotor is moved to the inside of the stator by the propelling device 71 and passes through the other end of the stator, the cushion pad 12 can provide a cushion for the rotor, and prevent the rotor from colliding with the platform body 11 to cause damage.

Referring to fig. 1, the cushion device 21 includes a plurality of rectangular parallels 211, a platen 212 and a gasket 213, the plurality of rectangular parallels 211 are disposed on the upper surface of the two sides of the platform body 11 at intervals, the platen 212 is disposed on the parallels 211, and the platen 212 is provided with a plurality of circular holes for the support rods 22 to pass through, and the support rods 22 can limit the platen 212. The gasket 213 can be made of a stainless steel plate, the gasket 213 is placed on the bedplate 212, the gasket 213 is of a comb-shaped structure, when the gasket 213 is placed on the bedplate 212, the supporting rod 22 is avoided, and the gasket 213 can be used for adjusting the levelness of the upper surface of the bedplate 212, so that the mounting accuracy of the generator stator is higher.

Referring to fig. 1, the supporting rods 22 are made of metal circular tubes, a plurality of supporting rods 22 are arranged on the platform main body 11 at intervals and located at two sides of the stator placing space 111, and the supporting rods 22 are integrally fixed and formed with concrete in the platform main body 11.

Referring to fig. 1, the work plate 31 provides a greater space for a worker to move on the platform body 11, thereby facilitating the assembly of the generator. The working plates 31 and the platform main body 11 are integrally cast and formed, the two working plates 31 are symmetrically arranged on the platform main body 11, and a space is reserved between the two working plates 31 to allow the jacking device 61 to drive the stator to ascend or descend.

Referring to fig. 1, the bottom plate 41 may be fixedly installed on the bottom surface of the stator placement space 111 of the platform main body 11 by using a metal plate through a bolt connection manner, and the bottom plate 41 is used for installing the guide rail 51, so that the installation of the guide rail 51 is more convenient and faster, and the laid guide rail 51 is not easily deformed, so that the jacking device 61 is more stable when moving along the guide rail, and finally, convenience is provided for the assembly of the generator.

The guide rail 51 is composed of two section steels which are connected on the bottom plate 41 through spaced parallel bolts, and the guide rail 51 is used for installing the jacking device 61 and enabling the jacking device 61 to slide back and forth along the guide rail 51.

Referring to fig. 1, the jacking device 61 includes a trolley 611, a hydraulic cylinder 612, and a rotor supporting plate 613. The trolley 611 is an electric rail car, the traveling wheel of the trolley 611 is arranged on the guide rail 51, the bottom of the hydraulic cylinder 612 is bolted to the top plate of the trolley 611, the hydraulic cylinder 612 is further electrically connected with the control cabinet 91 through a wire, and the bottom surface of the rotor supporting plate 613 is bolted to the top of the hydraulic cylinder 612.

Further, referring to fig. 3, the rotor supporting plate 613 is provided with an arc-shaped notch 6131 for placing two ends of the rotor. It is understood that the two ends of the rotor are cylindrical, and the arc-shaped opening 6131 enables the contact area between the rotor supporting plate 613 and the rotor to be larger, so that the rotor can be placed more stably.

In order to reduce the friction force of the rotor supporting plate 613 when the rotor supporting plate is moved by the propulsion device 71 and avoid the abrasion of the surface of the rotor, referring to fig. 1 and 3, an installation groove 6132 is formed in the surface of the rotor supporting plate 613, which is located at the arc-shaped opening 6131, a carrier roller 6133 is inserted into the installation groove 6132, the shaft of the carrier roller 6133 is fixedly installed on the inner wall of the installation groove 6132, and when the rotor moves towards the stator of the generator, the moving direction of the rotor is tangent to the wheel surface of the carrier roller 6133.

In addition, in order to facilitate the installation of the end cover of the generator, the rotor support plate 613 is provided with a clamping groove 6134 on the surface of the two sides of the arc-shaped opening 6131, and when the end cover is placed on the rotor support plate 613, the edge of the end cover needs to be inserted into the clamping groove 6134 for clamping.

It should be understood that when installing the outlet box, need artifical manpower with the outlet box from the stator place the bottom surface of space 111 on lift the outlet box, the installation process is laborious and laborious, for this reason, in this application's a possible embodiment, the both sides of rotor support plate 613 at jacking device 61 are connected with the outlet box perpendicularly and place board 614, and place board 614 at the outlet box surface bonding elastic cushion block 615, elastic cushion block 615 can be the rubber block, is used for supporting the outlet box.

Referring to fig. 1 and 4, the propulsion device 71 includes a mounting rod 711, an electro-hydraulic push rod 712, and a rotor sleeve 713. The mounting rod 711 is an L-shaped metal rod, one end of the mounting rod 711 can be connected with the top plate of the trolley 611 in a bolt connection or welding mode, the tail end of the electro-hydraulic push rod 712 is connected to the top end of the mounting rod 711 along a horizontal direction through a bolt, the electro-hydraulic push rod 712 is electrically connected with the control signal output end of the control cabinet 91 through a lead, and one end of the rotor sleeve 713, which is far away from the opening end, is connected with the other end of the electro-hydraulic push rod 712 through a bolt.

Further, in the alignment that for the tip of messenger's rotor is more convenient and fast inserts rotor sleeve 713, the packaging efficiency of generator is improved, rotor sleeve 713 can adopt the toper sleeve, rotor sleeve 713's opening size is along keeping away from the flexible end of electric liquid push rod 712 direction crescent promptly, and for the tip installation of messenger's rotor is more stable, bond or bolted connection has rubber sleeve 714 in rotor sleeve 713, rubber sleeve 714 is the toper structure also, and the rectangular channel has been seted up to circumference on the rubber sleeve 714, the tip of confession rotor is convenient for insert the chucking.

Referring to fig. 1, a bridge crane 81 is fixedly installed on wall surfaces on two sides of a platform main body 11, carts on two ends of a walking beam of the bridge crane 81 can drive the walking beam to reciprocate along the axis direction of a rotor of a generator, a hoist of the bridge crane 81 can reciprocate along the walking beam, and the bridge crane 81 can be used for hoisting a stator housing and an inner rotor of the generator.

The control cabinet 91 can adopt an electric control cabinet, and the control cabinet 91 can be controlled by a control button on a cabinet door to enable the jacking device 61, the propelling device 71 and the bridge crane 81 to work so as to complete the assembly work of the generator.

The implementation principle of the generator final assembly platform disclosed by the embodiment of the application is as follows:

firstly, a worker can use the control cabinet 91 to send an instruction to the bridge crane 81, control the bridge crane 81 to place the generator stator on the cushion bearing device 21 on the platform body 11, then use the bridge crane 81 to lift the rotor and place the rotor on the jacking device 61, move the jacking device 61 to a preset installation position, and then make the hydraulic cylinder 612 in the jacking device 61 work to jack the rotor to a preset installation height.

Then, the control cabinet 91 is used for controlling the propelling device 71 to apply acting force to one end of the rotor, so that the rotor moves towards the stator until the other end of the rotor abuts against the cushion pad 12, and then a constructor sequentially operates the control cabinet 91 to complete the assembly work of the whole generator.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A generator final assembly platform which is characterized in that: comprises a platform main body (11) provided with a stator placing space (111), a cushion pad (12) arranged on the inner side surface of the stator placing space (111) of the platform main body (11), a cushion bearing device (21) arranged on the upper surface of the platform main body (11), support rods (22) arranged on the upper surface of the platform main body (11) and positioned at two sides of the stator placing space (111), and a working plate (31) arranged on the platform main body (11), the device comprises a bottom plate (41) detachably connected with the bottom surface of a platform main body (11) in a stator placing space (111), guide rails (51) laid on the bottom plate (41) and extending towards the bottom of the inner side surface of the stator placing space (111), a plurality of groups of jacking devices (61) installed on the guide rails (51), propelling devices (71) installed on the guide rails (51), a bridge crane (81) erected on the upper surface of the platform main body (11) and a control cabinet (91) installed on the platform main body (11);

the side surface where the cushion pad (12) is located is vertical to the side surface where the cushion bearing device (21) is located;

the jacking device (61), the propelling device (71) and the bridge crane (81) are electrically connected with the control cabinet (91).

2. The generator assembly platform of claim 1, wherein: the platform main body (11) is provided with a supporting plate (112) on the inner side surface of the stator placing space (111), and the supporting plate (112) is provided with a through hole (113) for installing an outlet box.

3. The generator assembly platform of claim 1, wherein: the cushion bearing device (21) comprises iron pads (211) arranged on two sides of the platform main body (11) at intervals, a bedplate (212) sleeved on the supporting rod (22) and a gasket (213) paved on the bedplate (212).

4. The generator assembly platform of claim 1, wherein: the jacking device (61) comprises a trolley (611) arranged on the guide rail (51), a hydraulic cylinder (612) detachably connected with the trolley (611) and a rotor supporting plate (613) detachably connected with the telescopic end of the hydraulic cylinder (612);

the hydraulic cylinder (612) is electrically connected with the control cabinet (91).

5. The generator assembly platform of claim 4, wherein: and an arc-shaped opening (6131) is arranged on the rotor supporting plate (613).

6. The generator assembly platform of claim 5, wherein: an installation groove (6132) is formed in the surface, located at the arc-shaped opening (6131), of the rotor supporting plate (613), and a supporting roller (6133) is arranged in the installation groove (6132).

7. The generator assembly platform of claim 5, wherein: and clamping grooves (6134) for placing generator end covers are arranged on the surfaces of the rotor supporting plates (613) on the two sides of the arc-shaped opening (6131).

8. The generator assembly platform according to any one of claims 4 to 7, wherein: the jacking device (61) further comprises outlet box placing plates (614) vertically connected to two sides of the rotor supporting plate (613), and elastic cushion blocks (615) are arranged on the outlet box placing plates (614).

9. The generator assembly platform of claim 4, wherein: the propelling device (71) comprises a mounting rod (711) with one end fixedly connected with the trolley (611), an electro-hydraulic push rod (712) arranged at the other end of the mounting rod (711), and a rotor sleeve (713) arranged at the telescopic end of the electro-hydraulic push rod (712).

10. The generator assembly platform of claim 9, wherein: the opening size of the rotor sleeve (713) is gradually increased along the direction far away from the telescopic end of the electro-hydraulic push rod (712), and a rubber sleeve (714) used for being clamped with the end of the rotor is arranged in the rotor sleeve (713).