CN217413793U - Lifting type chain wheel replacing device - Google Patents

Lifting type chain wheel replacing device Download PDF

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Publication number
CN217413793U
CN217413793U CN202220063057.6U CN202220063057U CN217413793U CN 217413793 U CN217413793 U CN 217413793U CN 202220063057 U CN202220063057 U CN 202220063057U CN 217413793 U CN217413793 U CN 217413793U
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China
Prior art keywords
platform
lifting screw
rocker
lift
lifting
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Active
Application number
CN202220063057.6U
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Chinese (zh)
Inventor
吴钦国
李雪涛
李发宏
李山峰
赵峥
孔峰
李绪东
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Shandong Iron and Steel Co Ltd
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Shandong Iron and Steel Co Ltd
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Priority to CN202220063057.6U priority Critical patent/CN217413793U/en
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Abstract

The utility model provides a device is changed to promotion formula sprocket relates to the large-scale equipment fixing maintenance field, include: the first lifting mechanism can drive the primary platform to lift; the second lifting mechanism is connected with the primary platform and can drive the secondary platform to lift; be equipped with opening and splint on the second grade platform, the opening is used for holding the sprocket, splint are used for the fixed sprocket that is located in the opening, and this device has reduced the degree of difficulty that the sprocket was changed to change time and working strength all reduce greatly, have practiced thrift working cost.

Description

Lifting type chain wheel replacing device
Technical Field
The utility model relates to a large-scale equipment installation maintenance field, in particular to device is changed to promotion formula sprocket.
Background
In the metallurgical production process, along with the promotion of production technology, the size and the tonnage of metallurgical equipment are bigger and bigger, cause the difficulty of equipment maintenance to increase, and large-scale sprocket is one of them, and large-scale sprocket complex operation when changing, change time is long to the work danger is big.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device is changed to promotion formula sprocket, realized safe quick change sprocket.
In order to achieve the above object, the present invention provides the following technical solutions: a lift sprocket changing apparatus comprising: the first lifting mechanism can drive the primary platform to lift; the second lifting mechanism is connected with the primary platform and can drive the secondary platform to lift; be equipped with opening and splint on the second grade platform, the opening is used for holding the sprocket, splint are used for the fixed sprocket that is located in the opening.
Further, the first lifting mechanism comprises a base, a first lifting screw and a first driving device; the first lifting screw is arranged on the base, and the output end of the first lifting screw is connected with the primary platform; the first lifting screw can drive the primary platform to lift, and the first driving device is used for driving the first lifting screw; the number of the first lifting screw rods is two; the base is parallel to the primary platform; the lower end of the base is provided with wheels.
Further, the first driving device comprises a first bevel gear box, a first transmission shaft, a guide cylinder and a first rocker; one end of the first rocker is connected with the input end of the first bevel gear box, and one end of the first transmission shaft is connected with the output end of the first bevel gear box; the first transmission shaft is connected with the first lifting screw rod, and the first transmission shaft can drive the first lifting screw rod when rotating; the guide cylinder comprises a cylinder body and a pipe body, one part of the pipe body is positioned in the cylinder body, the cylinder body is connected with the primary platform, the pipe body is connected with the base, the pipe body is vertically arranged relative to the base, and the cylinder body is vertically arranged relative to the primary platform; a first rocker port is formed in the primary platform, the other end of the first rocker extends out of the first rocker port, and a first crank is arranged at the other end of the first rocker; the two first lifting screw rods are symmetrically arranged along the central line of the base; the outer diameter of the pipe body is the same as the inner diameter of the cylinder body.
Further, be equipped with the mounting groove on the one-level platform, be equipped with sideslip mechanism in the mounting groove, sideslip mechanism can horizontal migration in the mounting groove, second elevating system passes through sideslip mechanism with the one-level platform is connected.
Further, the transverse moving mechanism comprises a guide rod, a transverse moving platform and a transverse moving screw rod; the number of the guide rods is at least two, the guide rods are arranged in the mounting grooves and are parallel to each other; the transverse moving platform is connected with the guide rod and moves horizontally in the mounting groove through the guide rod; a transverse moving threaded hole is formed in the primary platform and communicated with the mounting groove, and one end of the transverse moving screw rod extends into the mounting groove and is in threaded connection with the transverse moving platform; the transverse moving screw rod is parallel to the guide rod; a handle is arranged at the other end of the transverse moving screw rod; the mounting groove is rectangular.
Further, the second lifting mechanism comprises a plurality of lifting screw groups, a speed converter and a second driving device; the transverse moving platform is provided with a through hole, the lifting screw group is positioned below the transverse moving platform, and the output end of the lifting screw group extends out of the through hole and is connected with the secondary platform; the second driving device is connected with one lifting screw group, the second lifting mechanisms are connected through a speed converter, the lifting screw group can be driven to work through the second driving device, and the speed converter can transmit the driving force of the second driving device to the lifting screw group; the second driving device comprises a rocker seat and a second rocker, the rocker seat is arranged on the primary platform, a second rocker port is formed in the rocker seat, and the other end of the second rocker extends out of the second rocker port and is connected with the input end of the lifting screw group.
Furthermore, the lifting screw group comprises a plurality of second lifting screws and a second transmission shaft, the second transmission shaft is simultaneously connected with the input ends of the plurality of second lifting screws, and the second transmission shaft can drive all the second lifting screws to work when rotating; the other end of the second rocker is coaxially connected with the second transmission shaft; the number of the lifting screw rod groups is two, and the two lifting screw rod groups are symmetrically arranged on two sides of the mounting groove.
Furthermore, the speed converter comprises a connecting rod and two second bevel gear boxes, the two second bevel gear boxes are connected through the connecting rod, and the two second bevel gear boxes are respectively connected with the two second transmission shafts.
Furthermore, two sliding grooves are also formed in the secondary platform and are symmetrically arranged relative to the opening; both ends of the clamping plate bend towards the same direction, and both ends of the clamping plate extend into the sliding groove so that the clamping plate can slide along the sliding groove; the number of the clamping plates is at least 2.
Furthermore, the upper surface symmetry of splint is equipped with the arch, through promoting the arch can drive splint remove.
The analysis can know, the utility model discloses a device is changed to promotion formula sprocket, this device has reduced the degree of difficulty that the sprocket was changed to change time and working strength all reduce greatly, have practiced thrift working cost.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic top perspective view of an embodiment of the present invention.
Fig. 2 is a schematic side view of an embodiment of the present invention.
Fig. 3 is a schematic bottom perspective view of an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a secondary platform according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a traverse platform according to an embodiment of the present invention.
Description of reference numerals: 1. a base; 2. a first lifting screw; 3. a first drive shaft; 4. a guide cylinder; 5. a first rocker; 6. a first bevel gear box; 7. a primary platform; 8. a guide bar; 9. transversely moving the platform; 10. traversing the screw rod; 11. a second lifting screw; 12. a second drive shaft; 13. a second bevel gear box; 14. a connecting rod; 15. a second rocker; 16. a rocker base; 17. a secondary platform; 18. a splint; 19. a chute; 20. and (4) protruding.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the directions or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. are the directions or positional relationships shown on the basis of the drawings, and are only for convenience of description of the present invention, but not for the purpose of requiring the present invention to be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" used in the present invention should be understood broadly, and may be, for example, a fixed connection or a detachable connection; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," "third," and "fourth," etc. may be used interchangeably to distinguish one component from another and are not intended to denote position or importance of the individual components.
As shown in fig. 1-5, according to an embodiment of the present invention, there is provided a lift sprocket changing apparatus including: the first lifting mechanism can drive the primary platform 7 to lift; the second lifting mechanism is connected with the primary platform 7 and can drive the secondary platform 17 to lift; be equipped with opening and splint 18 on the second grade platform 17, the opening is used for holding the sprocket, splint 18 is used for the fixed sprocket that is located the opening, this device is when using through the first elevating system of control to the whole height of second grade platform 17 tentatively adjust, rise to a take the altitude after second grade platform 17, aim at the below of waiting to change the sprocket with second grade platform 17, make second grade platform 17 rise through second elevating system, make the partly of waiting to change the sprocket enter into to the opening, later rethread splint 18 blocks the sprocket, dismantle the completion back when the sprocket is dismantled, control first elevating system and second elevating system and throw off the sprocket.
Preferably, the first lifting mechanism comprises a base 1, a first lifting screw 2 and a first driving device; the first lifting screw 2 is arranged on the base 1, and the output end of the first lifting screw 2 is connected with the primary platform 7; the first lifting screw 2 can drive the primary platform 7 to lift, and the first driving device is used for driving the first lifting screw 2; the number of the first lifting screw rods 2 is two, and the two first lifting screw rods 2 can enable the stress of the primary platform 7 to be more uniform, so that the primary platform 7 can ascend more stably; the first lifting screw 2 can be driven by first driving equipment, the first lifting screw 2 drives the primary platform 7 to ascend and descend, and the base 1 is parallel to the primary platform 7; the lower extreme of base 1 is equipped with the wheel, can the person of facilitating the use remove this device through the wheel on the base 1.
Preferably, the first driving device comprises a first bevel gear box 6, a first transmission shaft 3, a guide cylinder 4 and a first rocker 5; the bevel gear is arranged in the bevel gear box, the input and output steering can be realized, one end of the first rocker 5 is connected with the input end of the first bevel gear box 6, and one end of the first transmission shaft 3 is connected with the output end of the first bevel gear box 6; the first transmission shaft 3 is connected with the first lifting screw rod 2, and the output end of the first lifting screw rod 2 can be driven to lift when the first transmission shaft 3 rotates; the output direction of the force of the first rocker 5 can be changed through the first bevel gear box 6, when a user rotates the vertically arranged first rocker 5, the horizontally arranged first transmission shaft 3 can rotate along with the first rocker, so that the first lifting screw 2 is driven, the guide cylinder 4 comprises a cylinder body and a pipe body, one part of the pipe body is positioned in the cylinder body, the cylinder body is connected with the primary platform 7, the pipe body is connected with the base 1, the pipe body is vertically arranged relative to the base 1, the cylinder body is vertically arranged relative to the primary platform 7, and the guide cylinder 4 can perform auxiliary guide when the primary platform 7 moves, so that the operation stability of the whole device is improved;
preferably, the first-stage platform 7 is provided with a first rocker 5 port, the other end of the first rocker 5 extends out of the first rocker 5 port, the other end of the first rocker 5 is provided with a first crank, and the first rocker 5 port can guide the first rocker 5, so that a user can use the first rocker 5 conveniently; the two first lifting screw rods 2 are symmetrically arranged along the central line of the base 1, and the arrangement of the first lifting screw rods 2 along the central line can ensure that the layout of the first lifting screw rods 2 is more reasonable, so that the device has better stability in working; the outer diameter of the pipe body is the same as the inner diameter of the cylinder body, and no gap exists between the pipe body and the cylinder body, so that the pipe body cannot deflect during vertical movement, the stability of the pipe body during movement is ensured, and the guiding performance of the guiding cylinder 4 is further enhanced.
Preferably, the first-level platform 7 is provided with a mounting groove, the mounting groove is a rectangular groove which is through from top to bottom, a transverse moving mechanism is arranged in the mounting groove and can move in the mounting groove, the second lifting mechanism is connected with the first-level platform 7 through the transverse moving mechanism, and the transverse moving mechanism can change the horizontal position of the second-level platform 17, so that the horizontal position of the second-level platform 17 can be changed under the condition that the base 1 is not moved, and the chain wheel to be replaced can be aligned conveniently.
Preferably, the traversing mechanism comprises a guide rod 8, a traversing platform 9 and a traversing screw 10; the number of the guide rods 8 is at least two, the guide rods 8 are arranged in the mounting grooves, and the guide rods 8 are parallel to each other; the transverse moving platform 9 is connected with the guide rod 8, and the transverse moving platform 9 moves in the mounting groove through the guide rod 8; a transverse threaded hole is formed in the primary platform 7 and communicated with the mounting groove, and one end of a transverse screw 10 extends into the mounting groove and is in threaded connection with the transverse platform 9; the traverse screw 10 is parallel to the guide rod 8, the traverse platform 9 can be driven to move by rotating the traverse screw 10, and when the traverse screw 10 is not rotated, the traverse platform 9 is fixed relative to the first-stage platform 7 due to the traverse screw 10, so that the traverse platform 9 is moved and fixed; the other end of the traverse screw 10 is provided with a handle, and the traverse screw 10 is conveniently rotated by a user through the handle and is installed in a rectangular shape.
Preferably, the second lifting mechanism comprises a plurality of lifting screw sets, a speed converter and a second driving device; a through hole is arranged on the traverse moving platform 9, the lifting screw group is positioned below the traverse moving platform 9, and the output end of the lifting screw group extends out of the through hole and is connected with the secondary platform 17; the second driving device is connected with one lifting screw rod group, the second lifting mechanisms are connected through a speed converter, the lifting screw rod group can be driven to work through the second driving device, and the speed converter can transmit the driving force of the second driving device to the lifting screw rod group; the second driving device comprises a rocker base 16 and a second rocker 15, the rocker base 16 is arranged on the primary platform 7, a second rocker 15 opening is formed in the rocker base 16, the other end of the second rocker 15 extends out of the second rocker 15 opening and is connected with the input end of the lifting screw group, the lifting screw group comprises a plurality of second lifting screws 11 and a second transmission shaft 12, the second transmission shaft 12 is simultaneously connected with the input ends of the plurality of second lifting screws 11, and the second transmission shaft 12 can drive all the second lifting screws 11 to work when rotating; the other end of the second rocker 15 is coaxially connected with the second transmission shaft 12, and the force of the second rocker 15 can be transmitted to each second lifting screw 11 through the speed converter, so that the secondary platform 17 can stably follow the second lifting screws 11. The number of the lifting screw groups is 2, the two lifting screw groups are symmetrically arranged on two sides of the mounting groove, the two lifting screw groups are usually two, and the number of the second lifting screws 11 in each group is two, so that force is applied to the secondary platform 17 from 4 points at the same time.
Preferably, the speed converter comprises a connecting rod 14 and two second bevel gear boxes 13, the two second bevel gear boxes 13 are connected through the connecting rod 14, the two second bevel gear boxes 13 are respectively connected with the two second transmission shafts 12, the rotation of the second rocker 15 can be stably transmitted through the second bevel gear boxes 13, and the bevel gears are also arranged in the second bevel gear boxes 13, so that the input and output steering can be realized.
Preferably, the secondary platform 17 is further provided with two sliding grooves 19, and the two sliding grooves 19 are symmetrically arranged relative to the opening; both ends of the clamping plate 18 bend towards the same direction, and both ends of the clamping plate 18 extend into the sliding groove 19 so that the clamping plate 18 can slide along the sliding groove 19; the number of the clamping plates 18 is at least two, and since the clamping plates 18 can slide on the slide grooves 19, a user can freely change the position of the clamping plates 18, and normally, the chain wheel can be clamped by the two clamping plates 18 to clamp the chain wheel in the middle, so that the chain wheel is fixed.
Preferably, the upper surface of the clamping plate 18 is symmetrically provided with a protrusion 20, and the clamping plate 18 can be moved by pushing the protrusion 20.
When the device works, a primary platform 7 is arranged on a base 1 and connected with a first lifting screw rod 2, a transverse moving platform 9 is arranged in the primary platform 7, a secondary platform 17 is arranged on the transverse moving platform 9 and connected with a second lifting screw rod 11, the device is pushed to the position below a chain wheel to be replaced, a first rocker 5 is rotated to enable the primary platform 7 to ascend to a certain height, then a transverse moving screw rod 10 is rotated to enable the secondary platform 17 to be aligned to the position below the chain wheel to be replaced, a second rocker 15 is rotated to enable the secondary platform 17 to ascend, a clamping plate 18 on the secondary platform 17 is moved to enable the clamping plate 18 to block the chain wheel, then the chain wheel is disassembled, and after the chain wheel is disassembled, the first rocker 5 and the second rocker 15 are rotated to enable the chain wheel to be separated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A lift sprocket changing apparatus, comprising:
the first lifting mechanism can drive the primary platform to lift;
the second lifting mechanism is connected with the primary platform and can drive the secondary platform to lift;
and an opening and a clamping plate are arranged on the secondary platform, the opening is used for accommodating the chain wheel, and the clamping plate is used for fixing the chain wheel positioned in the opening.
2. The lift sprocket changing apparatus as recited in claim 1 wherein said first lift mechanism comprises a base, a first lift screw and a first drive device;
the first lifting screw is arranged on the base, and the output end of the first lifting screw is connected with the primary platform;
the first lifting screw can drive the primary platform to lift, and the first driving device is used for driving the first lifting screw;
the number of the first lifting screw rods is two;
the base is parallel to the primary platform;
the lower end of the base is provided with wheels.
3. The lift sprocket changing apparatus as recited in claim 2 wherein said first drive means comprises a first bevel gear box, a first drive shaft, a guide cylinder and a first rocker lever;
one end of the first rocker is connected with the input end of the first bevel gear box, and one end of the first transmission shaft is connected with the output end of the first bevel gear box;
the first transmission shaft is connected with the first lifting screw rod, and the first transmission shaft can drive the first lifting screw rod when rotating;
the guide cylinder comprises a cylinder body and a pipe body, one part of the pipe body is positioned in the cylinder body, the cylinder body is connected with the primary platform, the pipe body is connected with the base, the pipe body is vertically arranged relative to the base, and the cylinder body is vertically arranged relative to the primary platform;
a first rocker port is formed in the primary platform, the other end of the first rocker extends out of the first rocker port, and a first crank is arranged at the other end of the first rocker;
the two first lifting screw rods are symmetrically arranged along the central line of the base;
the outer diameter of the pipe body is the same as the inner diameter of the cylinder body.
4. The apparatus as claimed in claim 1, wherein the primary platform has a mounting slot, the mounting slot has a traversing mechanism disposed therein, the traversing mechanism is capable of moving horizontally in the mounting slot, and the second lifting mechanism is connected to the primary platform via the traversing mechanism.
5. The lift sprocket changing apparatus as recited in claim 4 wherein said traversing mechanism comprises a guide bar, a traversing platform and a traversing screw;
the number of the guide rods is at least two, the guide rods are arranged in the mounting grooves and are parallel to each other;
the transverse moving platform is connected with the guide rod and moves horizontally in the mounting groove through the guide rod;
a transverse moving threaded hole is formed in the primary platform and communicated with the mounting groove, and one end of the transverse moving screw rod extends into the mounting groove and is in threaded connection with the transverse moving platform;
the transverse moving screw rod is parallel to the guide rod;
a handle is arranged at the other end of the transverse moving screw rod;
the mounting groove is rectangular.
6. The lift sprocket changing apparatus as recited in claim 5, wherein said second lift mechanism comprises a plurality of lift screw sets, a speed changer and a second drive device;
the transverse moving platform is provided with a through hole, the lifting screw group is positioned below the transverse moving platform, and the output end of the lifting screw group extends out of the through hole and is connected with the secondary platform;
the second driving device is connected with one lifting screw group, the second lifting mechanisms are connected through a speed converter, the lifting screw group can be driven to work through the second driving device, and the speed converter can transmit the driving force of the second driving device to the lifting screw group;
the second driving device comprises a rocker seat and a second rocker, the rocker seat is arranged on the primary platform, a second rocker port is formed in the rocker seat, and the other end of the second rocker extends out of the second rocker port and is connected with the input end of the lifting screw group.
7. The lift sprocket changing apparatus as defined in claim 6, wherein the lift screw assembly comprises a plurality of second lift screws and second drive shafts,
the second transmission shaft is simultaneously connected with the input ends of the second lifting screw rods, and the second transmission shaft can drive all the second lifting screw rods to work when rotating;
the other end of the second rocker is coaxially connected with the second transmission shaft;
the number of the lifting screw rod groups is two, and the two lifting screw rod groups are symmetrically arranged on two sides of the mounting groove.
8. The lift sprocket changing apparatus as recited in claim 7 wherein said speed converter comprises a connecting rod and two second bevel gear boxes, said two second bevel gear boxes being connected by the connecting rod, said two second bevel gear boxes being connected to said two second drive shafts, respectively.
9. The apparatus as claimed in claim 7, wherein the secondary platform further comprises two sliding grooves, the two sliding grooves are symmetrically disposed with respect to the opening;
both ends of the clamping plate bend towards the same direction, and both ends of the clamping plate extend into the sliding groove so that the clamping plate can slide along the sliding groove;
the number of the clamping plates is at least 2.
10. The apparatus as claimed in claim 7, wherein the clamping plate has a protrusion symmetrically formed on the upper surface thereof, and the clamping plate is moved by pushing the protrusion.
CN202220063057.6U 2022-01-11 2022-01-11 Lifting type chain wheel replacing device Active CN217413793U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220063057.6U CN217413793U (en) 2022-01-11 2022-01-11 Lifting type chain wheel replacing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220063057.6U CN217413793U (en) 2022-01-11 2022-01-11 Lifting type chain wheel replacing device

Publications (1)

Publication Number Publication Date
CN217413793U true CN217413793U (en) 2022-09-13

Family

ID=83174924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220063057.6U Active CN217413793U (en) 2022-01-11 2022-01-11 Lifting type chain wheel replacing device

Country Status (1)

Country Link
CN (1) CN217413793U (en)

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