CN221093480U

CN221093480U - Mounting and dismounting device for transmission shaft of vertical roller mill

Info

Publication number: CN221093480U
Application number: CN202322774981.2U
Authority: CN
Inventors: 高伟; 高雨欣; 刘文明
Original assignee: MCC Tiangong Group Corp Ltd
Current assignee: MCC Tiangong Group Corp Ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-06-07
Anticipated expiration: 2033-10-17

Abstract

The utility model belongs to the technical field of building construction, and relates to an installing and detaching device for a transmission shaft of a vertical roller mill, which can be connected with the transmission shaft, and is characterized in that: the device comprises a vehicle body with adjustable height and a transportation rail for bearing the movement of the vehicle body, wherein the side surface, far away from the transportation rail, of the vehicle body is connected with the transmission shaft, and the vehicle body can drive the transmission shaft to displace so as to convey the transmission shaft to an installation position. The beneficial effects of the utility model are as follows: the movable car body is arranged, so that stable support of the transmission can be realized, stable operation conditions are provided for construction, and the working efficiency is improved; the second track is opened and closed through the movement of the sliding block between the first cavity and the second cavity, so that a stable supporting frame can be formed with the first track, the operation of hoisting equipment can be facilitated, and the installation position of the transmission shaft is more flexible; the fixed rod is arranged, so that the installation of the transmission shaft at the operation side is convenient, and the rail falling of the vehicle body can be avoided.

Description

Mounting and dismounting device for transmission shaft of vertical roller mill

Technical Field

The utility model belongs to the technical field of metallurgical steel rolling, and particularly relates to an installing and detaching device for a transmission shaft of a vertical roller mill.

Background

In the hot rolled plate production line, since the transmission shaft of the vertical rolling mill is placed in the vertical direction, the length and the weight thereof are large, the installation position is narrow, and the installation or replacement engineering thereof is very difficult. At present, when a steel mill installs, overhauls and replaces a vertical roll transmission shaft, a plurality of tools are matched with a chain in a limited space, the transmission shaft is installed or removed, the workload is large, and the potential safety hazard is high.

The transmission shafts of some of the rolling mills are provided with C-shaped hooks which are specially used for replacing the lifting appliances, although the special lifting appliances are available. However, because the structural size and weight of the C-shaped lifting hook are larger than those of the transmission shaft, the C-shaped lifting hook is easy to be influenced by the upper limit of a travelling crane and the interference of a shell at the top of a speed reducer, the transmission shaft is required to be lifted to a vertical state, a supporting bracket is required to be arranged for placing the transmission shaft to be vertical, the installation or replacement work of the transmission shaft can be completed, time and labor are wasted, and the engineering progress is influenced, so that an installation and disassembly device for the transmission shaft of the vertical roller mill is required to solve the technical problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides an installing and detaching device for a transmission shaft of a vertical roller mill, which is simple and safe to operate, saves time and labor, can install and replace the transmission shaft of the vertical roller mill quickly and conveniently, and therefore, the working efficiency is improved and the normal production requirement is met under the condition of ensuring the safety.

The technical scheme adopted by the embodiment of the utility model is as follows: a install and remove device for edger mill transmission shaft, but connect transmission shaft, its characterized in that: the vehicle comprises a vehicle body with adjustable height and a transportation rail for carrying the vehicle body to move, wherein the side surface, far away from the transportation rail, of the vehicle body is connected with the transmission shaft, and the transmission shaft can be supported by the vehicle body and is conveyed to an installation position.

Further, the transportation track comprises a first track and a second track which are arranged in parallel, and two ends of the first track and the second track are respectively connected with the operation side frame and the transmission side frame.

Further, the second track includes head rod, second connecting rod and connects the two into holistic coupling assembling, the head rod with the operation side frame rotates to be connected, the second connecting rod with the transmission side frame rotates to be connected.

Further, the connecting assembly comprises a sliding block and a push rod, a first cavity for accommodating the sliding block is formed in the end portion of the first connecting rod, the push rod sequentially penetrates through the first cavity and the sliding block, and the push rod is driven to enable the sliding block to move along the length direction of the first cavity.

Further, a second cavity for accommodating the sliding block is formed in the end portion of the second connecting rod, and the sliding block can be displaced between the first cavity and the second cavity by driving the push rod.

Further, the first connecting rod is provided with an opening groove, and the opening groove is connected with the push rod, so that the push rod is driven to displace along the direction of the opening groove.

Further, the open grooves are symmetrically arranged on two sides of the first cavity.

Further, the end part of the first connecting rod, which is far away from the operation side frame, is provided with a first inclined plane, the end part of the second connecting rod, which is far away from the transmission side frame, is provided with a second inclined plane, and the first inclined plane is matched with the second inclined plane so that the second track is spliced into a whole.

Further, a fixing rod is arranged between the first connecting rod and the first track.

The utility model has the advantages and positive effects that: the movable car body is arranged, so that stable support of the transmission can be realized, stable operation conditions are provided for construction, and the working efficiency is improved; the second track is opened and closed through the movement of the sliding block between the first cavity and the second cavity, so that a stable supporting frame can be formed with the first track, the operation of hoisting equipment can be facilitated, and the installation position of the transmission shaft is more flexible; the fixed rod is arranged, so that the installation of the transmission shaft at the operation side is convenient, and the rail falling of the vehicle body can be avoided. In addition, simple structure can install convenient and fast, accords with the construction theory of green construction, uses manpower and materials sparingly for the engineering progress of construction reaches fine quality effect simultaneously.

Drawings

FIG. 1 is a front view of an embodiment provided by the present utility model;

FIG. 2 is a front view of a second track of an embodiment provided by the present utility model;

FIG. 3 is a top view of a second track of an embodiment provided by the present utility model;

FIG. 4 is a top view of a vehicle body according to an embodiment of the present utility model;

FIG. 5 is a front view of a vehicle body of an embodiment provided by the present utility model;

FIG. 6 is a schematic view of a lifting process of a drive shaft according to an embodiment of the present utility model;

fig. 7 is a schematic view of movement of a vehicle body according to an embodiment of the present utility model.

In the figure:

1. A first track; 2. a second track; 21. a first connecting rod; 22. a second connecting rod; 23. a trunnion; 24. connecting rib plates; 25. a slide block; 26. a push rod; 27. an open slot; 3. a fixed rod; 4. a vehicle body; 41. a longitudinal beam; 42. a transverse beam; 43. a transverse movable beam; 44. a safety jackscrew; 45. positioning a baffle; 46. a lifting plate; 47. a connecting bolt; 48. a wheel; 49 jacks; 5. an operation side frame; 6. a transmission side frame; 7. a transmission shaft; 8. a drive shaft tray; 9. a boom; 10. a transmission shaft connecting disc; 11. hoisting the steel wire rope 12 and the crane hook; 13. an operation side speed reducer base; 14. a transmission side speed reducer base.

Detailed Description

The embodiment of the utility model provides an assembling and disassembling device for a transmission shaft of a vertical roller mill, and the assembling and disassembling device is described below with reference to the accompanying drawings.

Referring to fig. 1, an assembling and disassembling device for a transmission shaft of a vertical roller mill, which can be connected with a transmission shaft 7, is characterized in that: comprises a height-adjustable car body 4 and a transport rail for carrying the car body 4 to move, wherein the side surface of the car body 4 far away from the transport rail is connected with a transmission shaft 7, and the transmission shaft 7 can be supported by the car body 4 and sent to an installation position. In the present embodiment, by moving the vehicle body 4 to the lifting position on the transportation rail, the support of the transmission shaft 7 and the delivery of the transmission shaft 7 to the mounting position are realized, and time and labor are saved.

Preferably, the transportation rail comprises a first rail 1 and a second rail 2 which are arranged in parallel, and two ends of the first rail 1 and the second rail 2 are respectively connected with an operation side frame 5 and a transmission side frame 6.

Preferably, the second track 2 includes a first connecting rod 21, a second connecting rod 22, and a connecting assembly connecting the first connecting rod 21 and the second connecting rod 22 into a whole, the first connecting rod 21 is rotatably connected with the operation side frame 5, and the second connecting rod 22 is rotatably connected with the transmission side frame 6. In the present embodiment, as shown in fig. 2 and 3, the left side of the first connecting rod 21 is integrally connected to the connecting rib plate 24 through the trunnion 23, and the rotation of the first connecting rod 21 for opening and closing the first connecting rod 21 is achieved by centering on the trunnion 23. An open slot 27 is formed in the first connecting rod 21 for passing through the push rod 26; welding a reinforcing plate at the end of the first connecting rod 21 for reinforcing the bearing capacity of the end of the first connecting rod 21; a fixed connection plate is welded at the lower part of the first connection rod 21 and used for fixing and connecting the fixed rod 3, and the first connection rod 21 and the first track 1 are fixed through the fixed rod 3. And a lifting lug is welded at the right end part of the first connecting rod 21 and used for lifting the second connecting rod 22, so that the second connecting rod 22 is prevented from being bent downwards during bearing, and the bearing capacity of the second track 2 is enhanced.

Preferably, the connecting assembly comprises a slider 25 and a push rod 26, the end part of the first connecting rod 21 is provided with a first cavity for accommodating the slider 25, the push rod 26 sequentially penetrates through the first cavity and the slider 25, and the push rod 26 is driven to enable the slider 25 to move along the length direction of the first cavity. In this embodiment, the sliding block 25 is made of steel plates, and according to the size of the inner opening of the pipeline of the first connecting rod 21, 6 steel plates are welded into a closed box structure, and a through hole is formed in the side surface of one side end portion and used for penetrating the push rod 26, and the push rod 26 is used for pushing the sliding block 25 to move inside the first cavity and the second cavity, so that the first connecting rod 21 and the second connecting rod 22 are connected into a whole to carry.

Preferably, the second connecting rod 22 has a second cavity at its end for receiving the slider 25, and the drive ram 26 is adapted to displace the slider 25 between the first and second cavities. When the device is used, the first connecting rod 21 and the second connecting rod 22 are closed, the first cavity and the second cavity enclose a closed space, and the first connecting rod 21 and the second connecting rod 22 form a whole through the displacement of the sliding block 25 in the closed space so as to support the movement of the vehicle body 4.

Preferably, the first connecting rod 21 is provided with an open slot 27, which is connected to the push rod 26 through the open slot 27, and the push rod 26 is driven to displace in the direction of the open slot 27. In this embodiment, the right side of the first connecting rod 21 and the left side of the second connecting rod 22 are both in "ζ" box-shaped structures, the middle of the right side of the first connecting rod 21 is symmetrically provided with an open slot 27, meanwhile, the slider 25 is placed in the first cavity, and the push rod 26 is pushed by passing through the slider 25 by the push rod 26, so as to realize the movement of the slider 25 in the first cavity. When the slider 25 moves into the second cavity, the first connecting rod 21 and the second connecting rod 22 are connected into a whole by using the second cavity with the piece number, so as to form a complete second track 2.

Preferably, the open grooves 27 are symmetrically provided at both sides of the first cavity.

Preferably, the end of the first connecting rod 21 far away from the operation side frame is provided with a first inclined plane, the end of the second connecting rod 22 driving side frame 6 is provided with a second inclined plane, and the first inclined plane is matched with the second inclined plane so as to integrate the second track 2.

Preferably, a fixing rod 3 is provided between the first connecting rod 21 and the first rail 1. In this embodiment, as shown in fig. 1, the fixing rod is made of steel and is placed under the first track 1 and the second track 2, and the portion of the first connecting rod 21 is fixed to the first track 1 through bolting and fastening, so as to avoid the derailment phenomenon of the vehicle body 4 when the part number vehicle body 4 is placed on the transportation track. The fixing rod 3 is removed when the slider 25 is inserted into the second connecting rod 22 and the vehicle body 4 is loaded for mounting operation. The installation of the operation side transmission shaft is convenient.

Preferably, the vehicle body 4 is connected to the drive shaft 7 via a lifter plate 46. As shown in fig. 4 and 5, the vehicle body 4 is formed by welding profile steel, and is composed of a longitudinal beam 41, a transverse beam 42, a transverse movable beam 43, a safety jackscrew 44, a positioning baffle 45, a lifting plate 46, a connecting bolt 47, wheels 48 and a jack 49. The longitudinal beam 41 and the transverse beam 42 are welded together to form a fixed frame, wheels 48 are respectively arranged on two sides of the lower part of the longitudinal beam 41, and a positioning baffle 45 is welded in the middle part of the longitudinal beam 41. The transverse beams 42 are arranged on the upper parts of the two longitudinal beams 41, a fixed frame is formed by welding connection, and a safety jackscrew 44 is arranged in the middle of the transverse beams 42. The transverse movable beam 43 is installed on the upper parts of the two longitudinal beams 41, and is connected with the two longitudinal beams 41 through connecting bolts 47 to form a fixed frame, and a safety jackscrew 44 is installed in the middle of the transverse movable beam 43. The safety jackscrew 44 is provided with small holes in the middle parts of the transverse beam 42 and the transverse movable beam 43, nuts are welded at the lower parts of the small holes in the middle parts of the transverse beam 42 and the transverse movable beam 43, so that bolts can be conveniently installed in the nuts, and the up-and-down lifting of the bolts can be realized. The positioning baffle 45 is welded to the upper portion of the longitudinal beam 41 by a steel plate, and performs a positioning blocking operation during the lifting of the lifting plate 46. The lifting plate 46 is of a portal structure formed by welding steel plates, is arranged between the two positioning baffle plates 45 and is used for supporting a transmission shaft to be installed, and meanwhile, the lifting plate can be lifted through the jack 49, so that the transmission shaft convenient to install is connected with a speed reducer through bolts. The connecting bolts 47 are used to connect the transverse movable beam 43 with the longitudinal beam 41. The side rib plates are welded at the lower part of the longitudinal beam 41 through the wheels 48 for supporting and moving the whole car body 4 and bearing weight. A jack 49 is installed at a lower portion of the lifting plate 46 for lifting the lifting plate 46.

The specific using method is as follows:

1) The vehicle body 4 is manufactured, welded and assembled according to the drawing dimensions.

2) According to the height of the vehicle body 4 and the height of the transmission shaft tray 8, rib plates for mounting and connecting the first track 1 and the second track 2 are manufactured and welded on the two sides of the operation side frame and the transmission side frame.

3) And installing the first rail 1 manufactured in advance on the welded rib plate, and fastening connecting bolts on two sides.

4) Applying lubricating oil to the end opening of the first connecting rod 21, and mounting the slider 25 inside the first cavity; and penetrates the push rod 26 inside the slider 25. The second rail 2 is mounted on the welded rib plate, and the lug shafts 23 are penetrated into the lug shaft 23 holes on the two sides.

5) The fixing rod 3 is connected to the first rail 1 and the first connecting rod 21, so that the first connecting rod 21 and the first rail 1 form a fixing frame, and the vehicle body 4 is mounted on the upper parts of the first rail 1 and the first connecting rod 21.

6) The second connecting rod 22 is opened.

7) As shown in fig. 6, the transmission shaft 7 is lifted by the hoisting wire rope 11 and the travelling crane hook 12, the transmission shaft 7 is hoisted between the first rail 1 and the second rail 2 from the gap between the two speed reducers of the vertical roll mill, the second connecting rod 22 is closed, the slide block 25 is moved from the first cavity inside the first connecting rod 21 to the second cavity inside the second connecting rod 22 by the push rod 26, and the boom 9 is locked.

8) As shown in fig. 7, the vehicle body 4 is moved so that the propeller shaft 7 enters the inside of the vehicle body 4. The lateral movable beam 43 at the upper part of the vehicle body 4 is fastened by a connecting bolt. The transmission shaft 7 is slowly dropped down, the transmission shaft tray 8 is placed on the lifting plate 46 of the vehicle body 4, the safety jackscrews 44 are lifted, the top surfaces of the jackscrews are propped against the bottom surface of the transmission shaft tray 8, and therefore the transmission shaft tray 8 is supported on four sides, and safety is guaranteed.

9) The falling crane hook 12 is separated from the hoisting steel wire rope 11, the hoisting steel wire rope 11 is taken off, and the transmission shaft 7 is moved to the installation position of the transmission side connected with the speed reducer by the vehicle body 4. A jack 49 is placed under each of the lifting plates 46 on both sides of the vehicle body 4. The lifting jack 49 lifts the lifting plate 46, so that the drive shaft tray 8 and the drive shaft 7 are synchronously lifted, and when the drive shaft connecting disc 10 contacts with the speed reducer connecting shaft to be installed and connected, the lifting jack 49 is stopped. The safety jackscrews 44 are lifted again, so that the top surfaces of the jackscrews are propped against the bottom surface of the transmission shaft tray 8 again, and the four sides of the transmission shaft tray 8 are supported again, so that the safety is ensured.

10 Mounting connecting bolts for connecting the transmission shaft connecting disc 10 and the speed reducer connecting shaft, fastening all the connecting bolts, and mounting the transmission shaft connecting disc 10 on the speed reducer connecting shaft. The installation work of the transmission-side transmission shaft 7 is completed.

11 The safety jack 44, jack 49 and lifting plate are lowered to the initial state, and the vehicle body 4 is separated from the lower surface of the drive shaft tray 8. The lateral movable beam 43 is opened to move the vehicle body 4 to the operation side initial installation position.

12 And (3) repeating the processes from the step 6 to the step 11, and hoisting and installing the transmission shaft on the operation side in place. Since the first track 1 and the second track 2 leave a certain gap with the transmission shaft 7 during design and installation; therefore, the two rails do not influence various production working states of centering movement or opening of the transmission shaft during production; therefore, the two rails can be directly used without dismantling, and the transmission shaft can be conveniently replaced in the later period. When the working roll of the vertical rod needs to be replaced in the production process, only the two first connecting rods 21 and the second connecting rods 22 which form the second track 2 are required to be opened, so that the work of lifting the working roll of the vertical rod can be satisfied.

13 The process of removal of the drive shaft is the reverse of the installation process described above.

The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. A install and remove device for edger mill transmission shaft, but connect transmission shaft, its characterized in that: the vehicle comprises a vehicle body with adjustable height and a transportation rail for carrying the vehicle body to move, wherein the side surface, far away from the transportation rail, of the vehicle body is connected with the transmission shaft, and the transmission shaft can be supported by the vehicle body and is conveyed to an installation position.

2. The mounting and dismounting device for a drive shaft of a vertical roll mill according to claim 1, wherein: the transportation track comprises a first track and a second track which are arranged in parallel, and two ends of the first track and the second track are respectively connected with the operation side frame and the transmission side frame.

3. The mounting and dismounting device for a drive shaft of a vertical roll mill according to claim 2, wherein: the second track comprises a first connecting rod, a second connecting rod and a connecting assembly for connecting the first connecting rod and the second connecting rod into a whole, the first connecting rod is rotationally connected with the operation side frame, and the second connecting rod is rotationally connected with the transmission side frame.

4. A mounting and dismounting device for a drive shaft of a vertical roll mill according to claim 3, characterized in that: the connecting assembly comprises a sliding block and a push rod, a first cavity for accommodating the sliding block is formed in the end portion of the first connecting rod, the push rod sequentially penetrates through the first cavity and the sliding block, and the push rod is driven to enable the sliding block to move along the length direction of the first cavity.

5. The mounting and dismounting device for a drive shaft of a vertical roll mill according to claim 4, wherein: the end part of the second connecting rod is provided with a second cavity for accommodating the sliding block, and the sliding block can be displaced between the first cavity and the second cavity by driving the push rod.

6. The mounting and dismounting device for a drive shaft of a vertical roll mill according to claim 4 or 5, wherein: the first connecting rod is provided with an open slot, and is connected with the push rod through the open slot, so that the push rod is driven to displace along the direction of the open slot.

7. The mounting and dismounting device for a drive shaft of a vertical roll mill according to claim 6, wherein: the open slots are symmetrically arranged on two sides of the first cavity.

8. The mounting and dismounting device for a drive shaft of a vertical roll mill according to any one of claims 3 to 5, 7, characterized in that: the end part of the first connecting rod, which is far away from the operation side frame, is provided with a first inclined plane, the end part of the second connecting rod, which is far away from the transmission side frame, is provided with a second inclined plane, and the first inclined plane is matched with the second inclined plane so that the second track is spliced into a whole.

9. The mounting and dismounting device for a drive shaft of a vertical roll mill according to claim 8, wherein: a fixed rod is arranged between the first connecting rod and the first track.