CN216758843U - Suspension type chain wheel replacing device - Google Patents
Suspension type chain wheel replacing device Download PDFInfo
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- CN216758843U CN216758843U CN202220061934.6U CN202220061934U CN216758843U CN 216758843 U CN216758843 U CN 216758843U CN 202220061934 U CN202220061934 U CN 202220061934U CN 216758843 U CN216758843 U CN 216758843U
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Abstract
The utility model provides a suspension type chain wheel replacing device, which relates to the field of large-scale equipment installation and maintenance and comprises the following components: the chain wheel to be replaced is positioned between the two main frames; the fixing mechanism is detachably arranged between the two main frames and can fix the chain wheel to be replaced; the utility model discloses a suspension type chain wheel replacing device, which can replace a chain wheel more quickly and safely, reduce the working strength and reduce the working cost.
Description
Technical Field
The utility model relates to the field of large-scale equipment installation and maintenance, in particular to a suspension type chain wheel replacing device.
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 degree of difficulty of equipment maintenance to increase, and large-scale sprocket is just one of them, and the operation is difficult when changing, and the work danger is strong.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a suspension type chain wheel replacing device, which reduces the difficulty of replacing a chain wheel.
In order to achieve the above purpose, the utility model provides the following technical scheme: a hanging sprocket changing device comprising: the chain wheel to be replaced is positioned between the two main frames; the fixing mechanism is detachably arranged between the two main frames and can fix the chain wheel to be replaced; and the replacing mechanism is used for replacing the chain wheel to be replaced.
Further, in the above-mentioned suspension type sprocket replacing device, the main frame includes an upper frame, a lower frame and a lifting screw; one end of the upper frame is provided with a mounting arm extending towards the lower frame, and a lead screw through hole is formed in the mounting arm; one end of the lower frame is provided with a bearing arm extending towards the upper frame, and the bearing arm is provided with a lead screw bottom hole; the fixed end of the lifting screw rod is arranged on the screw rod bottom hole, the lifting screw rod extends out of the screw rod through hole, the output end of the lifting screw rod is connected with the mounting arm, and the lifting screw rod is driven to drive the mounting arm to move; still include first flexible transmission shaft, the both ends of first flexible transmission shaft are respectively with two elevating screw's input is connected, and is one when elevating screw's input rotates, through first flexible transmission shaft can drive another elevating screw's input rotates.
Further, in the above-mentioned hanging type sprocket replacing device, a first telescopic link rod is further included, and both ends of the first telescopic link rod are respectively connected with the two upper frames; the upper frame is provided with a connecting rod connecting hole, and two ends of the first telescopic connecting rod respectively enter the connecting rod connecting hole of the upper frame; the first telescopic connecting rod comprises a rod body and a pipe body, the rod body is inserted into the pipe body, and the rod body can move in the pipe body; the pipe body is a non-circular pipe, and the outer wall of the rod body is attached to the inner wall of the pipe body; the pipe body is a polygonal pipe.
Further, in the above-mentioned suspension type sprocket replacing device, it also includes a carrying mechanism for carrying the replacing mechanism; the bearing mechanism comprises a telescopic workbench, and two ends of the telescopic workbench are respectively arranged on the two upper frames; the telescopic workbench is provided with an opening; the telescopic workbench can be stretched along with the movement of the upper frame, and the size of the opening can be changed along with the stretching of the telescopic workbench; the replacing mechanism is arranged on the telescopic workbench.
Further, in the above-mentioned hanging type sprocket replacing device, the retractable working platform comprises a movable end and a fixed end, and both the movable end and the fixed end are respectively connected with one of the upper frames; the fixed end is provided with two guide arms which extend towards the direction close to the movable end, and a guide groove is formed in the guide arms; the movable end is provided with two telescopic arms which extend towards the direction close to the fixed end; the two telescopic arms are respectively inserted into the two guide grooves, and the two telescopic arms can move in the guide grooves simultaneously; the opening is defined by the two guide arms, the two telescopic arms, the fixed end and the movable end; a guide key is arranged inside the guide groove, a key groove is formed in the guide arm, and when the telescopic arm extends into the guide groove, the guide key extends into the key groove so as to guide the movement of the telescopic arm; the upper frame is provided with two positioning seats, two positioning plates are symmetrically arranged on two sides of each positioning seat, the positioning seats are provided with pin holes, the fixed end and the moving end are both provided with positioning pins, two baffle plates are symmetrically arranged on two sides of each positioning pin, and each positioning pin is matched with one positioning seat for use; when the positioning seat is connected with the positioning pin, the positioning pin extends into the pin hole, the two baffle plates are respectively inserted into a gap between the two positioning plates and the positioning seat, and the outer walls of the baffle plates are attached to the positioning plates and the positioning seat.
Further, in the above-mentioned suspension type sprocket replacing device, the replacing mechanism comprises a working screw, a height adjusting screw, a speed converter and a mounting seat; the movable end is provided with a mounting groove, the mounting seat is arranged in the mounting groove, the mounting seat is provided with a regulating threaded hole, and one end of the height regulating screw rod is rotatably connected with the regulating threaded hole; the working screw rod is positioned between the upper frame and the lower frame, the output end of the height adjusting screw rod is connected with the working screw rod, and the height adjusting screw rod can drive the working screw rod to move between the upper frame and the lower frame; the mounting seat is provided with two lifting grooves extending towards the direction of the lower frame, the two lifting grooves are respectively positioned at two ends of the mounting seat, the working screw is symmetrically provided with two trunnion seats, the two trunnion seats are respectively positioned in the two lifting grooves, and when the working screw moves, the trunnion seats can move along with the lifting grooves; the moving end is provided with a transmission hole, the speed converter is arranged on the moving end, the output end of the speed converter is connected with a second telescopic transmission shaft, and the second telescopic transmission shaft extends out of the transmission hole and is connected with the input end of the working screw rod; and the input end of the height adjusting screw rod is provided with a handle.
Further, in the above-mentioned suspension type sprocket replacing device, the fixing mechanism includes a first cross bar seat, a second cross bar seat, a cross bar and a second telescopic link; the upper frame and the lower frame are both provided with movable grooves, the first cross rod seat is arranged on the movable grooves, and the first cross rod seat can slide in the movable grooves; one of the first cross rod seats arranged on the two lower frames is connected with one of the cross rods, and the other of the first cross rod seats arranged on one of the lower frames is connected with one of the first cross rod seats arranged on one of the upper frames; the second cross rod seat is arranged on the bearing arm and is positioned on one side, far away from the lower frame, of the bearing arm, and the cross rod can be arranged between the two main frames through the two second cross rod seats.
Further, in the above-mentioned suspension type sprocket replacing device, the first cross bar seat on the upper frame is further provided with a positioning sheet, the positioning sheet extends in a direction away from the second telescopic connecting rod, the upper frame is provided with a positioning groove, the positioning sheet is provided with a positioning hole, and the positioning groove is connected with the positioning sheet through a fastener.
Further, in the above suspension type sprocket replacing device, a reinforcing bolt is further included, one end of the reinforcing bolt is provided with a thread, and the other end of the reinforcing bolt is a limiting end; the other end of the upper frame is provided with a through hole, the other end of the lower frame is provided with a threaded hole, the radius of the limiting end is larger than that of the through hole, one end of the reinforcing bolt can penetrate through the through hole to be in threaded connection with the threaded hole, and the limiting end of the reinforcing bolt can be in contact with the upper frame by rotating the reinforcing bolt; the reinforcing bolt is parallel to the bearing arm.
Further, in the above-mentioned suspension type sprocket replacing device, it also includes a hanging beam, on which there are hoisting holes; the upper frame is provided with an ear plate, and two ends of the hanging beam are connected with the upper frame through the ear plates.
The utility model discloses a suspension type chain wheel replacing device, which can replace a chain wheel more quickly and safely, reduce the working strength and reduce the working cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model and not to limit the utility model. Wherein:
fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic front view of the structure according to an embodiment of the present invention.
Fig. 3 is a schematic front view of a structure of an embodiment of the present invention in a use state.
Fig. 4 is a perspective view of an upper frame structure according to an embodiment of the utility model.
Fig. 5 is a perspective view illustrating a lower frame structure according to an embodiment of the utility model.
Fig. 6 is a schematic perspective view of a fixed end according to an embodiment of the utility model.
Description of reference numerals: 1. an upper frame; 101. mounting an arm; 2. a lower frame; 201. a carrying arm; 3. lifting a screw rod; 4. a first telescopic transmission shaft; 5. a first telescopic link; 6. a mobile terminal; 7. a fixed end; 8. positioning seats; 9. positioning pins; 10. a working lead screw; 11. a height adjusting screw; 12. a speed converter; 13. a lifting groove; 14. a trunnion seat; 15. a first cross bar base; 16. a second crossbar mount; 17. a cross bar; 18. a second telescopic link; 19. a movable groove; 20. positioning a sheet; 21. positioning a groove; 22. reinforcing the bolt; 23. an ear plate; 24. a second telescopic transmission shaft; 25. a hoisting beam; 26. and (7) mounting a seat.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The various examples are provided by way of explanation of the utility model, and not limitation of the utility model. 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 thereof. 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 terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; 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 utility model 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 utility model. 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 indicate the position or importance of an individual component.
As shown in fig. 1-6, according to an embodiment of the present invention, there is provided a hanging sprocket replacing device comprising: the two main frames are oppositely arranged, and the chain wheel to be replaced is positioned between the two main frames; the fixing mechanism is detachably arranged between the two main frames and can fix the chain wheel to be replaced; the chain wheel to be replaced is placed between the two main frames when the chain wheel replacing device is used, the chain wheel is fixed through the fixing mechanism, and finally the chain wheel is replaced through the replacing mechanism.
Preferably, the main frame comprises an upper frame 1, a lower frame 2 and a lifting screw 3; one end of the upper frame 1 is provided with a mounting arm 101 extending towards the lower frame 2, and the mounting arm 101 is provided with a lead screw through hole; one end of the lower frame 2 is provided with a bearing arm 201 extending towards the upper frame 1, and the bearing arm 201 is provided with a lead screw bottom hole; the fixed end of the lifting screw 3 is arranged on a screw bottom hole, the lifting screw 3 extends out of the screw through hole, the output end of the lifting screw 3 is connected with the mounting arm 101, and the lifting screw 3 is driven to drive the mounting arm 101 to move; the lifting device also comprises a first telescopic transmission shaft 4, two ends of the first telescopic transmission shaft 4 are respectively connected with input ends of two lifting screws 3, when an input end of one lifting screw 3 rotates, the input end of the other lifting screw 3 can be driven to rotate through the first telescopic transmission shaft 4, the first telescopic transmission shaft 4 can ensure that the two lifting screws 3 can synchronously work, so that the consistency of two main frames is kept, when the lifting device is used, a chain wheel needs to be put between the two main frames, therefore, the distance between the upper frame 1 and the lower frame 2 can be adjusted through the lifting screws 3, the main frames can be expanded, the outline size of the main frames is matched with the size of the chain wheel, the lifting screw 3 is conveniently installed in a subsequent fixing mechanism, the bearing arm 201 is used for bearing the lifting screw 3, a supporting point is provided for the lifting screw 3, the lifting screw 3 passes through a screw perforation on the installation arm 101, the screw perforation gives the installation space for the lifting screw 3, the output end of the lifting screw 3 is connected with the installation arm 101 above the installation arm 101, and the lifting screw 3 drives the installation arm 101 to move through the output end of the lifting screw 3 during working, so that the upper frame 1 is driven to move, and the relative position of the upper frame 1 and the lower frame 2 is changed.
Preferably, the device also comprises a first telescopic connecting rod 5, and two ends of the first telescopic connecting rod 5 are respectively connected with the two upper frames 1; when the sprocket moves to between two main frames, need consider the width between the main frame, thereby need have sufficient width to hold the sprocket between the main frame, can make the distance between two main frames can regulate and control when keeping two main frames interconnect through first telescopic link 5 to make this device can hold not unidimensional sprocket.
Preferably, the upper frame 1 is provided with a connecting rod connecting hole, and two ends of the first telescopic connecting rod 5 respectively enter the connecting rod connecting hole of the upper frame 1; the first telescopic connecting rod 5 comprises a rod body and a pipe body, the rod body is inserted into the pipe body, and the rod body can move in the pipe body; the pipe body is a non-circular pipe, the outer wall of the rod body is attached to the inner wall of the pipe body, the pipe body is a polygonal pipe, the pipe body is generally set to be a hexagonal pipe, the relative rotation of the rod body and the pipe body can be limited through the non-circular pipe, and therefore the relative rotation between the two main frames is avoided.
Preferably, the device also comprises a bearing mechanism for bearing the replacing mechanism; the bearing mechanism comprises a telescopic workbench, and two ends of the telescopic workbench are respectively arranged on the two upper frames 1; the telescopic workbench is provided with an opening; the telescopic workbench can be stretched along with the movement of the upper frame 1, and the size of the opening can be changed along with the stretching of the telescopic workbench; the replacing mechanism is arranged on the telescopic workbench, and the telescopic workbench enables the replacing mechanism and the main frame to form a whole, so that the device is convenient to use.
Preferably, the telescopic workbench comprises a movable end 6 and a fixed end 7, the movable end 6 and the fixed end 7 are both in a U-shaped design, and the movable end 6 and the fixed end 7 are respectively connected with one upper frame 1; the fixed end 7 is provided with two guide arms which extend towards the direction close to the movable end 6, and guide grooves are formed in the guide arms; the movable end 6 is provided with two telescopic arms which extend towards the direction close to the fixed end 7; the two telescopic arms are respectively inserted into the two guide grooves and can move in the guide grooves simultaneously; the opening is surrounded by two guide arms, two telescopic arms, a fixed end 7 and a movable end 6; a guide key is arranged inside the guide groove, a key groove is formed in the guide arm, and when the telescopic arm extends into the guide groove, the guide key extends into the key groove so as to guide the movement of the telescopic arm; two positioning seats 8 are arranged on the upper frame 1, two positioning plates are symmetrically arranged on two sides of each positioning seat 8, pin holes are formed in the positioning seats 8, positioning pins 9 are arranged on the fixed end 7 and the movable end 6, two baffle plates are symmetrically arranged on two sides of each positioning pin 9, and each positioning pin 9 is matched with one positioning seat 8; when locating seat 8 and locating pin 9 are connected, the locating pin stretches into in the pinhole, two baffles insert respectively to the gap between two locating plates and the locating seat, and the outer wall and the locating plate of baffle laminate mutually with the locating seat, telescopic workbench installs at upper frame 1 through the mode of pegging graft installation, thereby telescopic workbench's installation stability has been guaranteed, the opening that removes end 6 and stiff end 7 and enclose is square opening, square opening can guarantee that sprocket telescopic workbench does not cause it to block when two main frames.
Preferably, the replacement mechanism comprises a working screw 10, a height adjustment screw 11, a speed converter 12 and a mounting seat 26; the moving end 6 is provided with a mounting groove, the mounting seat 26 is arranged in the mounting groove, the mounting seat 26 is provided with an adjusting threaded hole, and one end of the height adjusting screw rod 11 is rotatably connected with the adjusting threaded hole; the working screw rod 10 is positioned between the upper frame 1 and the lower frame 2, the output end of the height adjusting screw rod 11 is connected with the working screw rod 10, and the height adjusting screw rod 11 can drive the working screw rod 10 to move between the upper frame 1 and the lower frame 2; the mounting base 26 is provided with two lifting grooves 13 extending towards the lower frame 2, the two lifting grooves 13 are respectively positioned at two ends of the mounting base 26, two trunnion seats 14 are symmetrically arranged on the working screw 10, the two trunnion seats 14 are respectively positioned in the two lifting grooves 13, and when the working screw 10 moves, the trunnion seats 14 can move along with the lifting grooves 13; remove and be equipped with the transmission hole on the end 6, speed converter 12 is located and is removed on the end 6, speed converter 12's output is connected with second telescopic transmission shaft 24, second telescopic transmission shaft 24 stretches out and is connected with work lead screw 10's input from the transmission hole, be equipped with the handle on height adjusting screw 11's the input, height adjusting screw 11 rotates with work lead screw 10 to be connected, that is to say, height adjusting screw can drive work lead screw 10 and reciprocate, work lead screw 10's output can be used for dismantling the sprocket, can convert work lead screw 10's power input into the top of flexible workstation through speed converter 12, thereby the person of facilitating the use uses, trunnion seat 14 on both sides is used for making work lead screw 10 can not rotate when going up and down.
Preferably, the fixing mechanism comprises a first crossbar seat 15, a second crossbar seat 16, a crossbar and a second telescopic link; the upper frame 1 and the lower frame 2 are both provided with a movable groove 19, the first cross rod seat 15 is arranged on the movable groove 19, and the first cross rod seat 15 can slide in the movable groove 19; a crossbar 17 is connected between two first crossbar seats 15 provided on two lower frames 2, a second telescopic link 18 is connected between one first crossbar seat 15 provided on one lower frame 2 and one first crossbar seat 15 provided on one upper frame 1, a second crossbar seat 16 is provided on the carrying arm 201, and second horizontal pole seat 16 is located and bears the one side of keeping away from the underframe on the arm 201, horizontal pole 17 can locate between two main frames through two second horizontal pole seats 16, still be equipped with spacer 20 on the first horizontal pole seat 15 that is located on upper ledge 1, spacer 20 extends to the direction of keeping away from second telescopic link 18, be equipped with the constant head tank on the upper ledge 1, be equipped with the locating hole on the spacer 20, constant head tank and spacer 20 pass through the fastener and connect, the fastener generally is the bolt, the refastening can be fixed the position of first horizontal pole seat 15 behind bolt constant head tank and the locating hole. When the sprocket is located between two main frames, change the position of first horizontal pole seat 15, make the horizontal pole 17 on the first horizontal pole seat 15 can bear the second sprocket, later rethread spacer 20 with the rigidity of first horizontal pole seat 15 to the rotation of restriction sprocket has been realized, and second horizontal pole seat 16 also can restrict the rotation and the removal of sprocket through the second horizontal pole, thereby the staff of being convenient for changes the sprocket.
Preferably, the device further comprises a reinforcing bolt 22, wherein one end of the reinforcing bolt 22 is provided with threads, and the other end of the reinforcing bolt 22 is a limiting end; go up the other end of frame 1 and be equipped with the through-hole, the other end of underframe 2 is equipped with the screw hole, the radius of spacing end is greater than the radius of through-hole, the one end of reinforcing bolt 22 can pass through-hole and screw hole threaded connection, through rotatory reinforcing bolt 22, reinforcing bolt 22's spacing end can contact with last frame 1, reinforcing bolt parallels with bearing arm 201, can consolidate last frame 1 and underframe 2 through reinforcing bolt 22, thereby make this device more firm when using, the difficult damage that appears.
Preferably, the device also comprises a hanging beam 25, wherein a hoisting hole is formed on the hanging beam 25; the upper frame 1 is provided with the ear plates 23, the two ends of the hanging beam 25 are connected with the upper frame 1 through the ear plates 23, the hanging beam 25 is detachably connected with the upper frame 1, and the hanging beam 25 can be used for moving the device conveniently.
During the assembly, two upper frame 1 and two underframe 2 constitute the whole frame of changing this device, two elevating screw 3 install the lead screw perforation department at two upper frame 1, elevating screw 3 bottom and lead screw bottom outlet connection, connect with first telescopic transmission shaft 4 between two elevating screw 3, install first flexible connecting rod 5 between two upper frame 1, install first horizontal pole seat 15 in the activity groove 19 on upper frame 1 and underframe 2 respectively, first horizontal pole seat 15 in upper frame 1 and underframe 2 is connected by second telescopic connecting rod 18, first horizontal pole seat 15 design of upper frame 1 department has locating plate 20, can fix a position in upper frame 1, telescopic workbench installs on upper frame 1, change along with the interval change between the upper frame 1. The hanging beam 25 is connected to the two upper frames 1 and used for hoisting the travelling crane.
During operation, the opening degree of the upper frame 1 and the lower frame 2 is adjusted according to the size of the chain wheel, the chain wheel is clamped, the position of the first cross rod seat 15 is adjusted, the chain wheel is supported by the cross rod 17 from the bottom, the second cross rod seat 16 is inserted into the cross rod 17 to prevent the chain wheel from rotating during replacement, then the reinforcing bolt 22 is installed to enable the two main frames to be changed into a stable quadrilateral structure, the height adjusting screw rod 11 is rotated to enable the screw rod of the working screw rod 10 to be aligned with the center of the chain wheel installation pin shaft, the transmission shaft is rotated through the speed converter 12 to enable the screw rod of the working screw rod 10 to be screwed out, the chain wheel installation pin shaft is ejected out, then the device is lifted away from the chain wheel installation frame, the chain wheel is completely disassembled, and the directional operation is complete during installation.
Compared with the prior art, the chain wheel can be replaced more quickly and safely, the working strength is reduced, and the working cost is reduced.
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 hanging sprocket changing apparatus, comprising:
the chain wheel to be replaced is positioned between the two main frames;
the fixing mechanism is detachably arranged between the two main frames and can fix the chain wheel to be replaced;
and the replacing mechanism is used for replacing the chain wheel to be replaced.
2. The hanging sprocket changing device as recited in claim 1, wherein said main frame comprises an upper frame, a lower frame and a lift screw;
one end of the upper frame is provided with a mounting arm extending towards the lower frame, and a lead screw through hole is formed in the mounting arm;
one end of the lower frame is provided with a bearing arm extending towards the upper frame, and the bearing arm is provided with a lead screw bottom hole;
the fixed end of the lifting screw rod is arranged on the screw rod bottom hole, the lifting screw rod extends out of the screw rod through hole, the output end of the lifting screw rod is connected with the mounting arm, and the lifting screw rod is driven to drive the mounting arm to move;
still include first flexible transmission shaft, the both ends of first flexible transmission shaft are respectively with two elevating screw's input is connected, and is one when elevating screw's input rotates, through first flexible transmission shaft can drive another elevating screw's input rotates.
3. The hanging sprocket replacing device as claimed in claim 2, further comprising a first telescopic link, both ends of the first telescopic link being connected to the two upper frames, respectively;
the upper frame is provided with a connecting rod connecting hole, and two ends of the first telescopic connecting rod respectively enter the connecting rod connecting hole of the upper frame;
the first telescopic connecting rod comprises a rod body and a pipe body, the rod body is inserted into the pipe body, and the rod body can move in the pipe body;
the pipe body is a non-circular pipe, and the outer wall of the rod body is attached to the inner wall of the pipe body;
the pipe body is a polygonal pipe.
4. The hanging sprocket replacing device as defined in claim 2, further comprising a carrying mechanism for carrying said replacing mechanism;
the bearing mechanism comprises a telescopic workbench, and two ends of the telescopic workbench are respectively arranged on the two upper frames;
the telescopic workbench is provided with an opening;
the telescopic workbench can be stretched along with the movement of the upper frame, and the size of the opening can be changed along with the stretching of the telescopic workbench;
the replacing mechanism is arranged on the telescopic workbench.
5. The hanging sprocket changing device as recited in claim 4, wherein said telescoping table comprises a moving end and a fixed end, each of said moving end and said fixed end being connected to one of said upper frames;
the fixed end is provided with two guide arms, the two guide arms extend towards the direction close to the moving end, and guide grooves are formed in the guide arms;
the movable end is provided with two telescopic arms which extend towards the direction close to the fixed end;
the two telescopic arms are respectively inserted into the two guide grooves, and the two telescopic arms can move in the guide grooves simultaneously;
the opening is defined by the two guide arms, the two telescopic arms, the fixed end and the movable end;
a guide key is arranged inside the guide groove, a key groove is formed in the guide arm, and when the telescopic arm extends into the guide groove, the guide key extends into the key groove so as to guide the movement of the telescopic arm;
two positioning seats are arranged on the upper frame, two positioning plates are symmetrically arranged on two sides of each positioning seat, pin holes are arranged on the positioning seats,
positioning pins are arranged on the fixed end and the movable end, two baffle plates are symmetrically arranged on two sides of each positioning pin, and each positioning pin is matched with one positioning seat for use;
when the positioning seat is connected with the positioning pin, the positioning pin extends into the pin hole, the two baffle plates are respectively inserted into a gap between the two positioning plates and the positioning seat, and the outer walls of the baffle plates are attached to the positioning plates and the positioning seat.
6. The hanging sprocket replacing device as claimed in claim 5, wherein the replacing mechanism comprises a working screw, a height adjusting screw, a speed converter and a mounting seat;
the movable end is provided with a mounting groove, the mounting seat is arranged in the mounting groove, the mounting seat is provided with a regulating threaded hole, and one end of the height regulating screw rod is rotatably connected with the regulating threaded hole;
the working screw rod is positioned between the upper frame and the lower frame, the output end of the height adjusting screw rod is connected with the working screw rod, and the height adjusting screw rod can drive the working screw rod to move between the upper frame and the lower frame;
the mounting seat is provided with two lifting grooves extending towards the direction of the lower frame, the two lifting grooves are respectively positioned at two ends of the mounting seat, the working screw is symmetrically provided with two trunnion seats, the two trunnion seats are respectively positioned in the two lifting grooves, and when the working screw moves, the trunnion seats can move along with the lifting grooves;
the moving end is provided with a transmission hole, the speed converter is arranged on the moving end, the output end of the speed converter is connected with a second telescopic transmission shaft, and the second telescopic transmission shaft extends out of the transmission hole and is connected with the input end of the working screw rod;
and the input end of the height adjusting screw rod is provided with a handle.
7. The hanging sprocket changing device as recited in claim 2, wherein the securing mechanism comprises a first cross bar mount, a second cross bar mount, a cross bar, and a second telescoping link;
the upper frame and the lower frame are both provided with movable grooves, the first cross rod seat is arranged on the movable grooves, and the first cross rod seat can slide in the movable grooves;
one of the first cross rod seats arranged on the two lower frames is connected with one of the cross rods, and the other of the first cross rod seats arranged on one of the lower frames is connected with one of the first cross rod seats arranged on one of the upper frames;
the second cross rod seat is arranged on the bearing arm and is positioned on one side, far away from the lower frame, of the bearing arm, and the cross rod can be arranged between the two main frames through the two second cross rod seats.
8. The hanging sprocket replacing device as claimed in claim 7, wherein a positioning plate is further disposed on the first cross bar seat of the upper frame, the positioning plate extends in a direction away from the second telescopic link, a positioning groove is disposed on the upper frame, a positioning hole is disposed on the positioning plate, and the positioning groove and the positioning plate are connected by a fastening member.
9. The hanging sprocket replacing device as claimed in claim 2, further comprising a reinforcing bolt, wherein one end of the reinforcing bolt is provided with a thread, and the other end of the reinforcing bolt is a limiting end;
the other end of the upper frame is provided with a through hole, the other end of the lower frame is provided with a threaded hole, the radius of the limiting end is larger than that of the through hole, one end of the reinforcing bolt can penetrate through the through hole to be in threaded connection with the threaded hole, and the limiting end of the reinforcing bolt can be in contact with the upper frame by rotating the reinforcing bolt;
the reinforcing bolt is parallel to the bearing arm.
10. The hanging type chain wheel replacing device as claimed in claim 2, further comprising a hanging beam, wherein the hanging beam is provided with a hanging hole;
the upper frame is provided with an ear plate, and two ends of the hanging beam are connected with the upper frame through the ear plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220061934.6U CN216758843U (en) | 2022-01-11 | 2022-01-11 | Suspension type chain wheel replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220061934.6U CN216758843U (en) | 2022-01-11 | 2022-01-11 | Suspension type chain wheel replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216758843U true CN216758843U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220061934.6U Active CN216758843U (en) | 2022-01-11 | 2022-01-11 | Suspension type chain wheel replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216758843U (en) |
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2022
- 2022-01-11 CN CN202220061934.6U patent/CN216758843U/en active Active
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