CN217519018U - Tower crane bolt assembly convenient to dismantle - Google Patents
Tower crane bolt assembly convenient to dismantle Download PDFInfo
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- CN217519018U CN217519018U CN202220992829.4U CN202220992829U CN217519018U CN 217519018 U CN217519018 U CN 217519018U CN 202220992829 U CN202220992829 U CN 202220992829U CN 217519018 U CN217519018 U CN 217519018U
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- wedge
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Abstract
The utility model relates to the technical field of tower crane bolt assemblies, and discloses a tower crane bolt assembly convenient to disassemble, which comprises a tower crane component and a bolt device, wherein the tower crane component is provided with a threaded hole, and the bolt device comprises a bolt head, a connecting component, a fixing component, a moving component and two half-screws; the two half screw rods are in threaded connection with the threaded holes, and the bolt heads are connected to the two half screw rods through the connecting assembly; this tower crane bolt assembly convenient to dismantle compares with traditional tower crane bolt assembly, sets up to two mobilizable half screw rod portions through the screw rod with screw hole threaded connection and constitutes, folds through two half screws when dismantling, can make two half screws break away from the threaded connection with the screw hole to can directly take out bolt device, and needn't be like traditional bolt device, can produce because of reasons such as the too big or rust of stress of threaded connection department cause the dismantlement difficulty, or the cracked problem of bolt.
Description
Technical Field
The utility model relates to a tower crane bolt assembly technical field specifically is a tower crane bolt assembly convenient to dismantle.
Background
The tower crane is a hoisting device which is most commonly used on construction sites, is also called as a tower crane and is lengthened (high) section by section (referred to as a standard section for short). The material is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction. The tower crane is indispensable equipment on a construction site.
The tower crane has the function of bearing the upper load transmitted by the boom pull rope and the balance arm pull rope, and directly transmits the upper load to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components.
A large number of bolt assemblies are required to be assembled on the tower crane. However, the existing bolt assembly is inconvenient to disassemble due to the fact that the bolt assembly is too large in stress at the threaded connection part and the bolt assembly is prone to rusting and corrosion and the like after being connected into the threaded hole through threads, and not only is labor wasted, but also the bolt is prone to breaking.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tower crane bolt assembly convenient to dismantle, possess through setting up the screw rod part into slidable, make it fold automatically when dismantling and break away from being connected with the screw hole, thereby convenient to dismantle's beneficial effect, the current bolt assembly who mentions among the above-mentioned background art has been solved because it passes through threaded connection at the threaded hole back, because of threaded connection department's stress is too big, and the bolt assembly easily rusts and corrodes etc. reason and can lead to bolt assembly very inconvenient when dismantling, not only hard but also the cracked problem takes place easily for the bolt.
The utility model provides a following technical scheme: a tower crane bolt assembly convenient to disassemble comprises a tower crane member and a bolt device, wherein a threaded hole is formed in the tower crane member, and the bolt device comprises a bolt head, a connecting assembly, a fixing assembly, a moving assembly and two half screws;
the two half screw rods are in threaded connection with the threaded holes, the bolt heads are connected to the two half screw rods through the connecting assembly, the fixing assembly is used for fixing the positions of the two half screw rods, and the moving assembly is used for releasing the fixing of the fixing assembly on the two half screw rods and driving the two half screw rods to move towards the direction close to each other.
As an alternative scheme of tower crane bolt subassembly convenient to dismantle, wherein: the connecting assembly comprises a slide rail and two first sliding grooves;
the slide rail set up in on the bolt head, two first spout is seted up respectively in two on the half screw rod, and two first spout all with the slide rail adaptation.
As an alternative scheme of tower crane bolt subassembly convenient to dismantle, wherein: the connecting assembly is provided with two, and two the connecting assembly symmetry set up in on the bolt head.
As an alternative scheme of tower crane bolt subassembly convenient to dismantle, wherein: the fixing assembly comprises a second sliding groove, a sliding rod and a third sliding groove;
the second sliding groove is formed in the bolt head, the sliding rod is arranged in the second sliding groove in a sliding mode, the third sliding groove is formed in the threaded hole, and the third sliding groove is matched with the sliding rod.
As a tower crane bolt assembly's an alternative convenient to detach, wherein: the moving assembly comprises a bolt, two wedge-shaped blocks and two wedge-shaped grooves;
the bolt slides and sets up in the second spout, two the wedge symmetry set up in on the bolt, two the wedge groove is seted up respectively in two on the half screw rod, and two the wedge groove respectively with two the wedge adaptation.
As an alternative scheme of tower crane bolt subassembly convenient to dismantle, wherein: the bolt device also comprises a limiting assembly, and the limiting assembly comprises a limiting block and a limiting groove;
the limiting block is arranged on the sliding rod, the limiting groove is formed in the bolt head, and the limiting block is arranged in the limiting groove in a sliding mode.
As an alternative scheme of tower crane bolt subassembly convenient to dismantle, wherein: the two limiting assemblies are symmetrically arranged on the bolt head.
As an alternative scheme of tower crane bolt subassembly convenient to dismantle, wherein: the bolt device further comprises a handle, and the handle is arranged on the bolt.
The utility model discloses possess following beneficial effect:
1. this tower crane bolt assembly convenient to dismantle compares with traditional tower crane bolt assembly, sets up to two mobilizable half screw rod portions through the screw rod with screw hole threaded connection and constitutes, folds through two half screws when dismantling, can make two half screws break away from the threaded connection with the screw hole to can directly take out bolt device, and needn't be like traditional bolt device, can produce because of reasons such as the too big or rust of stress of threaded connection department cause the dismantlement difficulty, or the cracked problem of bolt.
2. This tower crane bolt assembly convenient to dismantle, when the bolt device installation with install the back in normal connection situation, fix two positions of half screw rod through the slide bar card in the middle of two half screw rods, insert the bolt in the second spout and when pushing the slide bar downwards through handheld handle, just can make the slide bar remove down and remove the fixed to two half screw rods.
3. This tower crane bolt assembly convenient to dismantle still sets up two wedge grooves of symmetry on two half screws, is fixed with two wedge blocks on the bolt, and two wedge blocks agree with two wedge grooves respectively to be in the position that two relative wedge grooves are inwards close to. In the process that the two wedge-shaped blocks descend along with the bolt, the two wedge-shaped blocks are respectively inserted into the two wedge-shaped grooves, so that the two half screws are driven to close towards the inner side.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the local explosion structure of the present invention.
Fig. 3 is a schematic view of a first internal structure of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic diagram of a second internal structure of the present invention.
Fig. 6 is a partially enlarged view of fig. 5 at B.
In the figure: 1. a tower crane member; 11. a threaded hole; 2. a bolt device; 21. a bolt head; 22. a half screw; 23. a connecting assembly; 231. a slide rail; 232. a first chute; 24. a fixing assembly; 241. a second chute; 242. a slide bar; 243. a third chute; 25. a moving assembly; 251. a bolt; 252. a wedge block; 253. a wedge-shaped groove; 26. a limiting component; 261. a limiting block; 262. a limiting groove; 27. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The tower crane member 1 is a partial structure of a tower crane in which bolts need to be driven, and in order to enable the bolt device 2 to be convenient to detach after being installed on the tower crane member 1 through threaded connection, embodiment 1 is provided;
referring to fig. 1 to 6, the tower crane comprises a tower crane member 1 and a bolt device 2, wherein a threaded hole 11 is formed in the tower crane member 1, and the bolt device 2 comprises a bolt head 21, a connecting assembly 23, a fixing assembly 24, a moving assembly 25 and two half screws 22;
the two half screws 22 are in threaded connection with the threaded holes 11, the bolt heads 21 are connected to the two half screws 22 through the connecting assemblies 23, the fixing assemblies 24 are used for fixing the positions of the two half screws 22, and the moving assemblies 25 are used for releasing the fixing assemblies 24 from fixing the two half screws 22 and driving the two half screws 22 to move towards the approaching direction.
Wherein, the lower extreme of bolt head 21 is connected with two half screw rods 22 that the symmetry set up through coupling assembling 23, and two half screw rods 22 can slide to left and right directions, when not using removal subassembly 25 to dismantle the operation, fixed subassembly 24 can fix two half screw rods 22 in the position of keeping away from relatively for bolt device 2 can accomplish bolt device 2's installation in screw hole 11 through two half screw rod 22 threaded connection.
After the fixing assembly 24 is used for releasing the fixing of the two half screws 22 and the two half screws 22 are driven to move towards the approaching direction and be folded by the moving assembly 25, the two half screws 22 can be separated from the threaded connection with the threaded holes 11, so that the two half screws can be taken out very conveniently to finish the disassembly.
Example 2
In order to realize the connection between the bolt head 21 and the two half screws 22, embodiment 2 is provided;
the present embodiment is an improved description made on the basis of embodiment 1, and specifically, referring to fig. 2 to fig. 5, the connecting assembly 23 includes a slide rail 231 and two first sliding grooves 232;
the slide rail 231 is arranged on the bolt head 21, the two first slide grooves 232 are respectively arranged on the two half screw rods 22, and the two first slide grooves 232 are matched with the slide rail 231;
the connecting members 23 are provided in two, and the two connecting members 23 are symmetrically provided on the bolt head 21.
The two slide rails 231 are fixed on the front side and the rear side of the lower end of the bolt head 21, and the two half screws 22 respectively slide left and right along the slide rails 231 through the first slide grooves 232 formed in the two half screws 22.
Example 3
In order to realize that the positions of the two half screw rods 22 are fixed on the outer side part of the bolt device 2 when the bolt device 2 is installed so as to normally install the bolt device 2, the embodiment 3 is provided;
the present embodiment is an improved description made on the basis of the embodiment 2, and specifically, referring to fig. 2 to fig. 6, the fixing assembly 24 includes a second sliding chute 241, a sliding rod 242, and a third sliding chute 243;
the second sliding groove 241 is opened on the bolt head 21, the sliding rod 242 is slidably disposed in the second sliding groove 241, the third sliding groove 243 is opened in the threaded hole 11, and the third sliding groove 243 is adapted to the sliding rod 242.
Wherein, there is certain frictional force between slide bar 242 and second spout 241, when not exerting sufficient external force to slide bar 242 to and bolt device 2 is when the tower crane normal use after the installation because half screw rod 22 and screw hole 11 within a definite time connecting stress, all can not make slide bar 242 glide.
The slide bar 242 is now positioned between the two half screws 22, holding the two half screws 22 in position outside the bolt head 21. The third sliding slot 243 allows the sliding rod 242 to slide downwards.
Example 4
In order to realize simple and convenient disassembly of the bolt device 2, embodiment 4 is provided;
this embodiment is an improved description based on embodiment 3, and specifically, referring to fig. 2 to fig. 5, the moving assembly 25 includes a latch 251, two wedge blocks 252, and two wedge grooves 253;
the bolt 251 is slidably disposed in the second sliding groove 241, the two wedge-shaped blocks 252 are symmetrically disposed on the bolt 251, the two wedge-shaped grooves 253 are respectively disposed on the two half screws 22, and the two wedge-shaped grooves 253 are respectively adapted to the two wedge-shaped blocks 252.
After the bolt 251 is inserted downwards along the second sliding groove 241, the bolt 251 abuts against the sliding rod 242 to push the sliding rod 242 downwards, the two wedge-shaped blocks 252 are located at positions closer inwards relative to the two wedge-shaped grooves 253, the two wedge-shaped blocks 252 move downwards along with the bolt 251, wedge along the close parts of the upper edges of the two wedge-shaped grooves 253, and then push the two half screws 22 to close inwards.
Example 5
In order to realize that the fixing component 24 can be limited to slide in the bolt head 21, embodiment 5 is provided;
the present embodiment is an improved description based on embodiment 4, and specifically, referring to fig. 2 to fig. 6, the bolt device 2 further includes a limiting assembly 26, and the limiting assembly 26 includes a limiting block 261 and a limiting groove 262;
the limiting block 261 is arranged on the sliding rod 242, the limiting groove 262 is arranged in the bolt head 21, and the limiting block 261 is arranged in the limiting groove 262 in a sliding manner;
the number of the limiting assemblies 26 is two, and the two limiting assemblies 26 are symmetrically arranged on the bolt head 21.
Wherein, two stoppers 261 are fixed at the front and back both sides of slide bar 242, slide from top to bottom along two spacing grooves 262 respectively through two stoppers 261 and can play the limiting effect to fixed subassembly 24.
Example 6
In order to facilitate the disassembling operation of the bolt 251 by a person holding the bolt, embodiment 6 is provided;
in this embodiment, an improvement is made on the basis of embodiment 5, and specifically, referring to fig. 1 to 5, the bolt device 2 further includes a handle 27, and the handle 27 is disposed on the pin 251.
Wherein, the handle 27 is fixed at the upper end of the bolt 251 to facilitate the holding by the working personnel.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a tower crane bolt assembly convenient to dismantle, includes tower crane component (1) and bolt device (2), its characterized in that: a threaded hole (11) is formed in the tower crane component (1), and the bolt device (2) comprises a bolt head (21), a connecting assembly (23), a fixing assembly (24), a moving assembly (25) and two half screws (22);
the two half screws (22) are in threaded connection with the threaded holes (11), the bolt heads (21) are connected to the two half screws (22) through the connecting assemblies (23), the fixing assemblies (24) are used for fixing the positions of the two half screws (22), and the moving assemblies (25) are used for releasing the fixing of the fixing assemblies (24) on the two half screws (22) and driving the two half screws (22) to move towards the direction close to each other.
2. The tower crane bolt assembly convenient to disassemble as claimed in claim 1, wherein: the connecting assembly (23) comprises a sliding rail (231) and two first sliding chutes (232);
the sliding rail (231) is arranged on the bolt head (21), the two first sliding grooves (232) are respectively arranged on the two half screw rods (22), and the two first sliding grooves (232) are matched with the sliding rail (231).
3. The tower crane bolt assembly convenient to disassemble as claimed in claim 2, wherein: the connecting component (23) is provided with two connecting components, and the two connecting components (23) are symmetrically arranged on the bolt head (21).
4. The tower crane bolt assembly convenient to disassemble as claimed in claim 1, wherein: the fixed assembly (24) comprises a second sliding chute (241), a sliding rod (242) and a third sliding chute (243);
the second sliding groove (241) is formed in the bolt head (21), the sliding rod (242) is arranged in the second sliding groove (241) in a sliding mode, the third sliding groove (243) is formed in the threaded hole (11), and the third sliding groove (243) is matched with the sliding rod (242).
5. The tower crane bolt assembly convenient to disassemble as claimed in claim 1, wherein: the moving assembly (25) comprises a bolt (251), two wedge blocks (252) and two wedge grooves (253);
the bolt (251) is slidably arranged in the second sliding groove (241), the two wedge-shaped blocks (252) are symmetrically arranged on the bolt (251), the two wedge-shaped grooves (253) are respectively arranged on the two half screws (22), and the two wedge-shaped grooves (253) are respectively matched with the two wedge-shaped blocks (252).
6. The tower crane bolt assembly convenient to disassemble as claimed in claim 1, wherein: the bolt device (2) further comprises a limiting assembly (26), and the limiting assembly (26) comprises a limiting block (261) and a limiting groove (262);
the limiting block (261) is arranged on the sliding rod (242), the limiting groove (262) is formed in the bolt head (21), and the limiting block (261) is arranged in the limiting groove (262) in a sliding mode.
7. The tower crane bolt assembly convenient to disassemble as claimed in claim 6, wherein: the number of the limiting assemblies (26) is two, and the two limiting assemblies (26) are symmetrically arranged on the bolt head (21).
8. The tower crane bolt assembly convenient to disassemble as claimed in claim 1, wherein: the bolt device (2) further comprises a handle (27), and the handle (27) is arranged on the bolt (251).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220992829.4U CN217519018U (en) | 2022-04-27 | 2022-04-27 | Tower crane bolt assembly convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220992829.4U CN217519018U (en) | 2022-04-27 | 2022-04-27 | Tower crane bolt assembly convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217519018U true CN217519018U (en) | 2022-09-30 |
Family
ID=83370705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220992829.4U Active CN217519018U (en) | 2022-04-27 | 2022-04-27 | Tower crane bolt assembly convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217519018U (en) |
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2022
- 2022-04-27 CN CN202220992829.4U patent/CN217519018U/en active Active
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