CN215171503U - Tower crane round pin axle fixing device - Google Patents
Tower crane round pin axle fixing device Download PDFInfo
- Publication number
- CN215171503U CN215171503U CN202121518863.XU CN202121518863U CN215171503U CN 215171503 U CN215171503 U CN 215171503U CN 202121518863 U CN202121518863 U CN 202121518863U CN 215171503 U CN215171503 U CN 215171503U
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- pin shaft
- crane
- tower crane
- plate
- pin
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- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of pin shaft fixing device equipment, in particular to the field of tower crane pin shaft fixing devices, which comprises a pin shaft fixing plate, a fixing plate connecting block, a pin shaft limiting plate, a compression spring, a connecting bolt, a crane pin shaft and a tower crane main body, wherein the inner side of the pin shaft fixing plate is provided with a fixing clamping groove, the inner side of the pin shaft fixing plate is provided with a clamping antiskid layer, when the tower crane main body is fixed by using the pin shaft fixing plate, the left end and the right end of the crane pin shaft are exposed outside the tower crane main body and are all inserted into the corresponding limiting sliding grooves, thereby realizing the fixation of the crane pin shaft, simultaneously protecting the exposed part of the crane pin shaft, further prolonging the service life of the crane pin shaft, when the crane pin shaft is inserted into the limiting sliding grooves, the crane pin shaft can be contacted with a protecting cushion, and the protecting cushion is arranged by the pin shaft limiting plate, the limiting and fixing device is used for limiting, fixing and protecting the hinge pin of the crane.
Description
Technical Field
The utility model belongs to the technical field of round pin axle fixing device equipment, concretely relates to tower crane round pin axle fixing device.
Background
Tower cranes, also called tower cranes for short, originate in western europe.
The movable arm of the tower crane is mounted on the rotary crane of the upper portion of the high-rise tower body, the working space is large, mainly used for vertical and horizontal transport of materials and installation of building components in the building construction, three parts of metal structure, operating mechanism and electrical system are formed, the metal structure includes tower body, movable arm and base, etc., the operating mechanism has four parts of lifting, amplitude changing, turning and walking, the electrical system includes electric motor, controller, switch board, connecting circuit, signal and lighting device, etc.
The tower crane is divided into an upper rotating type and a lower rotating type: an upper rotary tower crane: the tower body does not rotate, a movable arm, a balance arm and the like above the slewing bearing rotate fully around the central line of the tower body through a slewing mechanism, and the movable type, the fixed type, the attached type and the inward climbing type are respectively carried out according to the use requirement; secondly, a lower rotary tower crane: the rotary support is arranged between the base and the rotary table, other working mechanisms except the travelling mechanism are arranged on the rotary table to rotate together, and besides the rail type, the crawler type and the tire type which take a crawler chassis and a tire chassis as travelling devices are also provided.
The pin shaft is a standard fastener, can be fixedly connected statically and can also move relative to a connected piece, is mainly used for the hinged part of two parts to form a hinged connection, is usually locked by a cotter pin, is reliable in work and convenient to detach, and has the international standard of ISO 2341:1986 and the domestic standard of GB/T882-2008.
SUMMERY OF THE UTILITY MODEL
The existing fixing device for the pin shaft of the tower crane can only simply fix the pin shaft of the tower crane, but cannot protect the pin shaft of the tower crane, particularly the part exposed out of the mounting position. The utility model provides a tower crane round pin axle fixing device, have when fixing to the hoist round pin axle, fixed centre gripping groove is used for centre gripping and fixed to the tower machine main part, setting through the centre gripping skid resistant course, be used for the direct contact with the tower machine main part, and then avoid the round pin axle fixed plate to carry out the slip and the mutual wearing and tearing when fixing to the tower machine main part, thereby improve the security and the life that round pin axle fixing device used, when using the round pin axle fixed plate to fix the tower machine main part, hoist round pin axle left side, the part in the tower machine main part outside is exposed at right side both ends, all insert to corresponding spacing sliding tray, and then when realizing fixing to the hoist round pin axle, also can be used for exposing the protection of part to the hoist round pin axle, thereby improve the characteristics of the life of hoist round pin axle.
The utility model provides a following technical scheme: the utility model provides a tower crane round pin axle fixing device, includes round pin axle fixed plate, fixed plate connecting block, round pin axle limiting plate, compression spring, connecting bolt, hoist round pin axle, tower machine body, the inboard of round pin axle fixed plate is provided with fixed centre gripping groove, the inboard of round pin axle fixed plate is provided with the centre gripping skid resistant course, the inboard of round pin axle fixed plate is provided with spacing sliding tray, the front end of round pin axle limiting plate is provided with the protection cushion, connecting bolt's outer lane is provided with coupling nut.
The front view surface of the pin shaft fixing plate is of a concave structure, and the pin shaft fixing plate and the fixing plate connecting block are integrally formed; when the crane pin shaft needs to be fixed, the two pin shaft fixing devices are taken out and then are respectively placed at the left end and the right end of the crane pin shaft, the two pin shaft fixing plates are gradually moved to be in contact fit with each other, then the two pin shaft fixing plates are fixedly connected through the connecting bolts and the connecting nuts, and then the crane pin shaft is fixed.
The clamping anti-skid layer is a rubber layer with a U-shaped structure, a through hole is arranged at the middle position of the clamping anti-skid layer, the front view surface of the through hole is arranged in a square structure, the length of the through hole is the same as the width of the limiting sliding groove, and the height of the through hole is the same as the height of the limiting sliding groove; when the hinge pin of the crane is fixed, the fixed clamping groove is used for clamping and fixing the tower crane main body, and the fixed clamping groove is used for being in direct contact with the tower crane main body through the arrangement of the clamping anti-slip layer, so that the hinge pin fixing plate is prevented from sliding and being mutually worn when the tower crane main body is fixed, and the use safety and the service life of the hinge pin fixing device are improved.
The limiting sliding groove is a groove body with a rectangular structure, the limiting sliding groove is positioned at the rear end of the clamping anti-skid layer, the limiting sliding groove is communicated with a through hole formed in the middle of the clamping anti-skid layer, and the width of the limiting sliding groove is matched with the maximum diameter of the crane pin shaft; when the hinge pin fixing plate is used for fixing the tower crane main body, the left end and the right end of the crane hinge pin are exposed out of the tower crane main body and are inserted into the corresponding limiting sliding grooves, so that the crane hinge pin can be fixed and protected, and the service life of the crane hinge pin is prolonged.
The fixed plate connecting blocks are arranged in a rectangular structure, two fixed plate connecting blocks are arranged, the two fixed plate connecting blocks are symmetrically arranged at the upper end and the lower end of the pin shaft fixed plate, and two connecting block inner holes are formed in the inner side of each fixed plate connecting block; after the pin shaft fixing plates are symmetrically arranged at the left end and the right end of the tower crane main body, the two fixing plate connecting blocks positioned on the same horizontal plane are mutually and tightly attached, then the connecting bolts are used for sequentially penetrating through the inner holes of the connecting blocks on the inner sides of the two fixing plate connecting blocks from right to left, and then the connecting nuts are used for connecting and fixing, so that the two fixing plate connecting blocks on the same horizontal plane are fixed, and the two pin shaft fixing plates are fixedly connected.
The front visual surface of the pin shaft limiting plate is arranged in a square structure, the side visual surface of the pin shaft limiting plate is arranged in a rectangular structure, the length of the pin shaft limiting plate is the same as that of the protective soft cushion, the width of the pin shaft limiting plate is the same as that of the protective soft cushion, the thickness of the pin shaft limiting plate is four times that of the protective soft cushion, and the protective soft cushion is a rubber cushion with the square structure as the front visual surface; after the crane pin shaft is inserted into the limiting sliding groove, the crane pin shaft can be in contact with the protective soft cushion, and the limiting plate and the protective soft cushion are arranged through the pin shaft limiting plate and the protective soft cushion, so that the crane pin shaft is limited, fixed and protected.
The front end of the compression spring is fixedly arranged at the tail end of the pin shaft limiting plate, and the rear end of the compression spring is fixedly arranged at the inner wall of the limiting sliding groove; when not receiving under the circumstances of external force, compression spring is in natural state, and round pin axle limiting plate is located the anterior position of spacing sliding tray this moment, inserts the back to spacing sliding tray the inside when the hoist round pin axle, and the corresponding external force is applyed to round pin axle limiting plate to the hoist round pin axle, and synchronous round pin axle limiting plate produces the effort and makes its atress shrink to compression spring, and then makes the laminating that protection cushion and hoist round pin axle can be inseparable.
The utility model has the advantages that: when the crane pin shaft is fixed, the fixed clamping groove is used for clamping and fixing the tower crane main body, the fixed clamping groove is used for directly contacting with the tower crane main body through the arrangement of the clamping anti-slip layer, so that the sliding and mutual abrasion of the pin shaft fixing plate when the tower crane main body is fixed are avoided, the use safety and the service life of the pin shaft fixing device are improved, when the tower crane main body is fixed by using the pin shaft fixing plate, the parts of the left and right ends of the crane pin shaft, which are exposed outside the tower crane main body, are all inserted into the corresponding limiting sliding grooves, the crane pin shaft is fixed, and simultaneously, the exposed part of the crane pin shaft can be protected, so that the service life of the crane pin shaft is prolonged, after the pin shaft fixing plate is symmetrically arranged at the left and right ends of the tower crane main body, the two fixing plate connecting blocks positioned on the same horizontal plane are mutually and tightly attached, then use connecting bolt to pass the inboard connecting block hole of two fixed plate connecting blocks from right to left in proper order, then use coupling nut to connect fixedly, and then realize the fixed of two fixed plate connecting blocks to same horizontal plane, thereby carry out fixed connection with two round pin axle fixed plates, under the condition that does not receive external force, compression spring is in natural state, round pin axle limiting plate is located the anterior position of spacing sliding tray this moment, after the hoist round pin axle inserts to spacing sliding tray the inside, corresponding external force is applyed to the round pin axle limiting plate to the hoist round pin axle, synchronous round pin axle limiting plate produces the effort and makes its atress shrink to compression spring, and then make the laminating that protection cushion and hoist round pin axle can be inseparable.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a front view cross-sectional structural diagram of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a front view cross-sectional structural diagram of the pin shaft fixing plate of the present invention;
fig. 5 is a schematic perspective view of the pin shaft fixing plate of the present invention;
in the figure: 1. a pin shaft fixing plate; 11. fixing the clamping groove; 12. clamping the anti-skid layer; 13. a limiting sliding groove; 2. a fixed plate connecting block; 21. an inner hole of the connecting block; 3. a pin shaft limiting plate; 31. protecting the soft cushion; 4. A compression spring; 5. a connecting bolt; 6. a crane pin shaft; 7. the tower machine main part.
Detailed Description
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a tower crane round pin axle fixing device, includes round pin axle fixed plate 1, fixed plate connecting block 2, round pin axle limiting plate 3, compression spring 4, connecting bolt 5, hoist round pin axle 6, tower machine main part 7, the inboard of round pin axle fixed plate 1 is provided with fixed centre gripping groove 11, the inboard of round pin axle fixed plate 1 is provided with centre gripping skid resistant course 12, the inboard of round pin axle fixed plate 1 is provided with spacing sliding tray 13, the front end of round pin axle limiting plate 3 is provided with protection cushion 31, connecting bolt 5's outer lane is provided with coupling nut 51.
In this embodiment: the front view surface of the pin shaft fixing plate 1 is of a concave structure, and the pin shaft fixing plate 1 and the fixing plate connecting block 2 are integrally formed; when the crane pin shaft 6 needs to be fixed, the two pin shaft fixing devices are taken out and then are respectively placed at the left end and the right end of the crane pin shaft 6, the two pin shaft fixing plates 1 are gradually moved to be in contact fit with each other, then the two pin shaft fixing plates 1 are fixedly connected by using the connecting bolts 5 and the connecting nuts 51, and then the crane pin shaft 6 is fixed.
The fixed clamping groove 11 is a groove body with a rectangular structure, the size of the fixed clamping groove 11 is matched with that of the tower crane main body 7, the clamping anti-skid layer 12 is a rubber layer with a U-shaped structure, a through hole is arranged in the middle of the clamping anti-skid layer 12, the front view surface of the through hole is arranged in a square structure, the length of the through hole is the same as the width of the limiting sliding groove 13, and the height of the through hole is the same as the height of the limiting sliding groove 13; when fixing the hoist round pin axle 6, fixed centre gripping groove 11 is used for the centre gripping of tower machine main part 7 and fixed, through the setting of centre gripping skid resistant course 12, is used for with the direct contact of tower machine main part 7, and then avoids the round pin axle fixed plate 1 to slide and wearing and tearing each other when fixing tower machine main part 7 to improve the security and the life that the round pin axle fixing device used.
The limiting sliding groove 13 is a groove body with a rectangular structure, the limiting sliding groove 13 is positioned at the rear end of the clamping anti-skid layer 12, the limiting sliding groove 13 is communicated with a through hole at the middle position of the clamping anti-skid layer 12, and the width of the limiting sliding groove 13 is matched with the maximum diameter of the crane pin shaft 6; when the pin fixing plate 1 is used for fixing the tower crane main body 7, the left end and the right end of the crane pin 6 are exposed out of the tower crane main body 7 and are inserted into the corresponding limiting sliding grooves 13, so that the crane pin 6 can be fixed and protected, and the service life of the crane pin 6 is prolonged.
The fixed plate connecting blocks 2 are arranged in a rectangular structure, two fixed plate connecting blocks 2 are arranged, the two fixed plate connecting blocks 2 are symmetrically arranged at the upper end and the lower end of the pin shaft fixed plate 1, and two connecting block inner holes 21 are formed in the inner side of each fixed plate connecting block 2; after installing the position at the left and right both ends of tower machine main part 7 with the symmetry of round pin axle fixed plate 1, will be located two fixed plate connecting blocks 2 of same horizontal plane each other to it and closely laminate, then use connecting bolt 5 to pass the inboard connecting block hole 21 of two fixed plate connecting blocks 2 from the right side left side in proper order, then use coupling nut 51 to connect fixedly, and then realize the fixed of two fixed plate connecting blocks 2 to same horizontal plane to carry out fixed connection with two round pin axle fixed plate 1.
The front view surface of the pin shaft limiting plate 3 is arranged in a square structure, the side view surface of the pin shaft limiting plate 3 is arranged in a rectangular structure, the length of the pin shaft limiting plate 3 is the same as that of the protective cushion 31, the width of the pin shaft limiting plate 3 is the same as that of the protective cushion 31, the thickness of the pin shaft limiting plate 3 is four times that of the protective cushion 31, and the protective cushion 31 is a rubber cushion with a square structure on the front view surface; after the crane pin 6 is inserted into the limiting sliding groove 13, the crane pin can contact with the protective cushion 31, and the crane pin 6 is limited, fixed and protected by the pin limiting plate 3 and the protective cushion 31.
The front end of the compression spring 4 is fixedly arranged at the tail end of the pin shaft limiting plate 3, and the rear end of the compression spring 4 is fixedly arranged at the inner wall of the limiting sliding groove 13; when not receiving under the circumstances of external force, compression spring 4 is in the natural state, and round pin axle limiting plate 3 is located the anterior position of spacing sliding tray 13 this moment, inserts to spacing sliding tray 13 the inside back when hoist round pin axle 6, and corresponding external force is applyed to hoist round pin axle 6 to round pin axle limiting plate 3, and synchronous round pin axle limiting plate 3 produces the effort and makes its atress shrink compression spring 4, and then makes the laminating that protection cushion 31 and hoist round pin axle 6 can be inseparable.
The utility model discloses a theory of operation and use flow: when the crane pin shaft 6 needs to be fixed, two pin shaft fixing devices are taken out and then are respectively placed at the left end and the right end of the crane pin shaft 6, then the pin shaft fixing plates 1 are symmetrically arranged at the left end and the right end of the tower crane main body 7, after the crane pin shaft 6 is inserted into the limiting sliding groove 13, the crane pin shaft 6 can be contacted with the protective cushion 31, under the condition of not receiving external force, the compression spring 4 is in a natural state, at the moment, the pin shaft limiting plate 3 is positioned at the front part of the limiting sliding groove 13, after the crane pin shaft 6 is inserted into the limiting sliding groove 13, the crane pin shaft 6 applies corresponding external force to the pin shaft limiting plate 3, the synchronous pin shaft limiting plate 3 generates acting force to the compression spring 4 and enables the compression spring to be stressed and contracted, further, the protective cushion 31 can be tightly attached to the crane pin shaft 6, and the protective cushion 31 is arranged through the pin shaft limiting plate 3 and the protective cushion 31, the fixing device is used for limiting, fixing and protecting a crane pin shaft 6, after two fixed plate connecting blocks 2 positioned on the same horizontal plane are mutually and tightly attached, a connecting bolt 5 is used for sequentially penetrating through connecting block inner holes 21 on the inner sides of the two fixed plate connecting blocks 2 from right to left, and then a connecting nut 51 is used for connecting and fixing, so that the two fixed plate connecting blocks 2 on the same horizontal plane are fixed, the left and right ends of the crane pin shaft 6 are exposed out of a tower crane main body 7 and are respectively inserted into corresponding limiting sliding grooves 13, the crane pin shaft 6 can be fixed and simultaneously can be used for protecting the exposed part of the crane pin shaft 6, the service life of the crane pin shaft 6 is prolonged, the fixing clamping grooves 11 are used for clamping and fixing the tower crane main body 7 and are used for directly contacting with the tower crane main body 7 through the arrangement of a clamping anti-skid layer 12, and then the sliding and mutual abrasion when the pin shaft fixing plate 1 fixes the tower crane main body 7 are avoided.
Claims (7)
1. The utility model provides a tower crane round pin axle fixing device which characterized in that: the crane comprises a pin shaft fixing plate, a fixing plate connecting block, a pin shaft limiting plate, a compression spring, a connecting bolt, a crane pin shaft and a tower crane main body, wherein a fixed clamping groove is formed in the inner side of the pin shaft fixing plate, a clamping anti-skid layer is arranged on the inner side of the pin shaft fixing plate, a limiting sliding groove is formed in the inner side of the pin shaft fixing plate, a protective soft cushion is arranged at the front end of the pin shaft limiting plate, and a connecting nut is arranged on the outer ring of the connecting bolt.
2. The tower crane pin fixing device according to claim 1, wherein: the front view surface of the pin shaft fixing plate is of a concave structure, and the pin shaft fixing plate and the fixing plate connecting block are integrally formed.
3. The tower crane pin fixing device according to claim 1, wherein: the fixed clamping groove is a groove body with a rectangular structure, the size of the fixed clamping groove is matched with that of the tower crane main body, the clamping anti-slip layer is a rubber layer with a U-shaped structure, a through hole is formed in the middle of the clamping anti-slip layer, the front view surface of the through hole is arranged in a square structure, the length of the through hole is the same as the width of the limiting sliding groove, and the height of the through hole is the same as the height of the limiting sliding groove.
4. The tower crane pin fixing device according to claim 1, wherein: the limiting sliding groove is a groove body of a rectangular structure, the limiting sliding groove is located at the rear end of the clamping anti-skid layer, the limiting sliding groove is communicated with a through hole formed in the middle of the clamping anti-skid layer, and the width of the limiting sliding groove is matched with the maximum diameter of the hinge pin of the crane.
5. The tower crane pin fixing device according to claim 1, wherein: the fixed plate connecting blocks are arranged in a rectangular structure, the fixed plate connecting blocks are arranged in two numbers, the two fixed plate connecting blocks are symmetrically arranged at the upper end and the lower end of the pin shaft fixing plate, and two connecting block inner holes are formed in the inner side of each fixed plate connecting block.
6. The tower crane pin fixing device according to claim 1, wherein: the front visual surface of the pin shaft limiting plate is arranged in a square structure, the side visual surface of the pin shaft limiting plate is arranged in a rectangular structure, the length of the pin shaft limiting plate is the same as that of the protection cushion, the width of the pin shaft limiting plate is the same as that of the protection cushion, the thickness of the pin shaft limiting plate is four times that of the protection cushion, and the protection cushion is a rubber cushion with the square structure and the front visual surface.
7. The tower crane pin fixing device according to claim 1, wherein: the front end of the compression spring is fixedly installed at the tail end of the pin shaft limiting plate, and the rear end of the compression spring is fixedly installed at the position of the inner wall of the limiting sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121518863.XU CN215171503U (en) | 2021-07-05 | 2021-07-05 | Tower crane round pin axle fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121518863.XU CN215171503U (en) | 2021-07-05 | 2021-07-05 | Tower crane round pin axle fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171503U true CN215171503U (en) | 2021-12-14 |
Family
ID=79401575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121518863.XU Expired - Fee Related CN215171503U (en) | 2021-07-05 | 2021-07-05 | Tower crane round pin axle fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171503U (en) |
-
2021
- 2021-07-05 CN CN202121518863.XU patent/CN215171503U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |