CN202729644U - Tower crane and tower crane connection structure applied to thereof - Google Patents
Tower crane and tower crane connection structure applied to thereof Download PDFInfo
- Publication number
- CN202729644U CN202729644U CN 201220396901 CN201220396901U CN202729644U CN 202729644 U CN202729644 U CN 202729644U CN 201220396901 CN201220396901 CN 201220396901 CN 201220396901 U CN201220396901 U CN 201220396901U CN 202729644 U CN202729644 U CN 202729644U
- Authority
- CN
- China
- Prior art keywords
- base section
- joint
- section
- connection structure
- strengthening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a tower crane connection structure. The tower crane connection structure comprises a strengthening section and a base section, wherein the base section is arranged above the strengthening section, the top of the base section is provided with at least one protrusion, the bottom of the strengthening section is correspondingly provided with at least one recess portion, and the recess portions on the bottom of the strengthening section and the protrusions on the top of the base section are matched with each other. According to the scheme, the bottom of the strengthening section is provided with the recess portions, and the strengthening section can be separated from the ordinary standard section in appearance and structure. Meanwhile, due to the facts that the top of the base section is provided with the protrusions and the protrusions can be matched with the recess portions on the bottom of the strengthening section, the strengthening section can be tightly attached to a joint face of the base section so that an installation purpose can be achieved. By the aid of the standard section connection structure, the phenomenon that the ordinary standard section is considered as the strengthening section to be mistakenly installed on the base section can be avoided. Therefore, the tower crane connection structure is easy to process, mistake-proof and reliable, and capable of enhancing security coefficient and stability of a tower crane dramatically.
Description
Technical field
The utility model relates to a kind of connection structure of tower crane and uses the tower crane of this connection structure, and is particularly a kind of for connection structure and tower crane between tower crane foundation joint and the reinforcement joint.
Background technology
The body of the tower of tower crane generally is to be formed by several standard knot composite assemblies at present, is bolted between standard knot and the standard knot.Because the hypomere of tower machine body of the tower is stressed larger than epimere, therefore the standard knot of most of tower machine epimere is common standard knot, and the hypomere standard knot is the standard knot (strengthening joint) of heavier-duty.Strengthen joint and be connected with base section, can bear larger pressure.
With reference to figure 1, the connection mode of strengthening between joint 1 and the base section 2 is to be bolted.Bolt is by being positioned at the adapter sleeve of strengthening on joint 1 and the base pitch 2, and fixes by nut.Reinforcement joint 1 is smooth with the main chord cross section of base pitch 2, and the cross section of its adapter sleeve also flushes for flat surface and with the main chord cross section, thereby the joint face 3 of strengthening saving with base pitch is smooth.Also be bolted between the tower machine common standard joint at present, the connection structure of common standard internode is identical with the connection structure of above-mentioned reinforcement joint and base pitch, so any one common standard joint can be connected with base section.And, the common standard joint is quite similar with the reinforcement joint on profile and structure, the tie bolt aperture of common standard joint is again with to strengthen joint identical with the tie bolt aperture of base section, so in the fitting process common standard joint is considered as strengthening saving and the situation that is installed in the hypomere of body of the tower often occurs.The common standard joint is used as the reinforcement joint mistakenly is installed on the base section, along with the prolongation of tower machine work-hours, the common standard that is arranged in the body of the tower hypomere saves the immense pressure that can't bear working process, and its consequence may cause the fracture of tower machine and cause accident on duty.
Summary of the invention
For the problem that exists in the prior art Plays joint connection structure, it is a kind of simple in structure, easy to process that the utility model provides, the connection structure that the mistake proofing reliability is high; The utility model also provides a kind of tower crane of using described connection structure.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of tower crane connection structure comprises base section and for the reinforcement joint that is arranged at the base section top, the top of described base section is provided with projection, and the bottom of described reinforcement joint is provided with the recess with the projection coupling.
Preferably, described projection is arranged on the main chord top of base section, and described recess is arranged on the main chord bottom of strengthening joint.
Preferably, described projection is bearing pin, is fixed by welding in the main chord top of base section.
Preferably, described projection and recess are cylindrical.
Preferably, the size of described recess is not less than the size of described projection.
A kind of tower crane comprises above-mentioned standard knot connection structure, and described standard knot connection structure comprises base section and the reinforcement joint that is positioned at the base section top, and described base section top is provided with projection, and described reinforcement joint bottom is provided with the recess that mates with projection.
Preferably, described projection is arranged on the main chord top of base section, and described recess is arranged on the main chord bottom of strengthening joint.
Preferably, described tower crane also comprises the common standard joint that is arranged at above strengthening saving, and described common standard joint is smooth with strengthening saving the face that is connected.
The reinforcement joint bottom of this programme is provided with recess, distinguishes with the common standard joint on profile and structure.Simultaneously, because the base section top is provided with projection, projection can be mated with the recess of strengthening the joint bottom, and therefore strengthening joint can be adjacent to the base section joint face, reaches the installation purpose.And the main chord top of common standard joint is flat surface, there is not the projection of recess and base section to be complementary, therefore common standard joint and base section can't connections, thereby standard knot connection structure of the present utility model can be avoided that the common standard joint is considered as strengthening joint and is installed on the base section mistakenly.Standard knot connection structure of the present utility model simple in structure, easy to process, mistake proofing is reliable, has greatly improved safety factor and the stability of tower machine.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the main TV structure schematic diagram of strengthening joint and base section connection structure in the prior art;
Fig. 2 is the main TV structure schematic diagram that the utility model is strengthened joint and base section connection structure.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is done further specific description.
As shown in Figure 2, the connection structure of tower crane comprises reinforcement joint and base section.Base section is positioned at strengthens the joint below.Main chord 2 tops of base section arrange projection 4.Main chord 1 bottom of strengthening joint arranges recess 3, and the recess 3 of strengthening joint main chord 1 bottom mates mutually with the projection 4 at base section main chord 2 tops.The size of recess 3 is not less than the size of projection 4.When connection standard saves on base section, because main chord 2 tops of base section are provided with projection 4, only have main chord 1 top of strengthening joint to be provided with recess 3, so can be adjacent to the base section joint face, reach the installation purpose.And the joint face of common standard joint is flat surface, the projection coupling that does not have recess and base section to protrude, so common standard joint and base section can't connections, thus can effectively avoid the common standard joint is considered as strengthening saving being installed on the base section mistakenly.
Described base section is realized connecting and fixing with being connected saving by fixed sturcture, and particularly, in the present embodiment, bolt passes the adapter sleeve on base section and the reinforcement joint, and fixes by nut.
Further, described recess 3 and projection 4 are cylindric, and the diameter of recess 3 is not less than the diameter of projection 4.
Be appreciated that, described protruding 4 and recess 3 can not be arranged on base section or strengthen on the main chord of joint, as long as projection 4 is arranged on the top of base section to cooperate with the recess that is opened in bottom strengthening saving, when wrong the common standard joint is used as when strengthening joint and being connected with base section like this, it is just passable that projection 4 can play the effect that saves interference with common standard and can't install equally.
The utility model also provides a kind of tower crane, and it comprises above-mentioned connection structure and the common standard joint that is arranged at above strengthening saving, and it is smooth that described common standard saves with strengthening saving the joint face that is connected.
The utility model is described by embodiment, and those skilled in the art know, in the situation that do not break away from spirit and scope of the present utility model, can carry out various changes or be equal to replacement these features and embodiment.In addition, under instruction of the present utility model, can make amendment to adapt to concrete situation and material to these features and embodiment and can not break away from spirit and scope of the present utility model.Therefore, the utility model is not subjected to the restriction of specific embodiment disclosed herein, and all interior embodiment of claim scope that fall into the application belong to protection domain of the present utility model.
Claims (8)
1. tower crane connection structure, comprise base section and be used for being arranged at the reinforcement joint of base section top, it is characterized in that: the top of described base section is provided with projection (4), and the bottom of described reinforcement joint is provided with the recess (3) with projection (4) coupling.
2. connection structure according to claim 1, it is characterized in that: described projection (4) is arranged on main chord (2) top of base section, and described recess (3) is arranged on main chord (1) bottom of strengthening joint.
3. connection structure according to claim 2 is characterized in that, described projection (4) is bearing pin, is fixed by welding in main chord (2) top of base section.
4. connection structure according to claim 1 is characterized in that, described projection (4) and recess (3) are cylindrical.
5. connection structure according to claim 1 is characterized in that, the size of described recess (3) is not less than the size of projection (4).
6. tower crane, comprise connection structure, described connection structure comprises base section and the reinforcement joint that is positioned at the base section top, and it is characterized in that: described base section top is provided with projection (4), and described reinforcement joint bottom is provided with the recess (3) with protruding (4) coupling.
7. tower crane according to claim 6 is characterized in that, described projection (4) is arranged on main chord (2) top of base section, and described recess (3) is arranged on main chord (1) bottom of strengthening joint.
8. tower crane according to claim 6 is characterized in that, described tower crane also comprises the common standard joint that is arranged at above strengthening saving, and described common standard joint is smooth with strengthening saving the joint face that is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396901 CN202729644U (en) | 2012-08-10 | 2012-08-10 | Tower crane and tower crane connection structure applied to thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396901 CN202729644U (en) | 2012-08-10 | 2012-08-10 | Tower crane and tower crane connection structure applied to thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202729644U true CN202729644U (en) | 2013-02-13 |
Family
ID=47655366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220396901 Expired - Fee Related CN202729644U (en) | 2012-08-10 | 2012-08-10 | Tower crane and tower crane connection structure applied to thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202729644U (en) |
-
2012
- 2012-08-10 CN CN 201220396901 patent/CN202729644U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102839845B (en) | Tower node connection device made from composite material | |
| CN107386759A (en) | A kind of bamboo shape steel tower bracing means | |
| CN202055599U (en) | Composite material tower with tooling connecting parts | |
| CN106379627A (en) | Anti-impact connecting structure and supporting plate with same | |
| CN201751496U (en) | Wire pole tower with thin-wall centrifugal concrete-filled steel tube structure | |
| CN103774642B (en) | Stake syndeton and stake | |
| CN202729644U (en) | Tower crane and tower crane connection structure applied to thereof | |
| CN201584121U (en) | LED screen connecting structure and large LED screen applying same | |
| CN201377195Y (en) | Transmission line steel tower compound node | |
| CN205709590U (en) | pin shaft mounting structure | |
| CN202073379U (en) | Door lock | |
| CN207296185U (en) | Sleeve nest plate combined reinforced bar attachment device | |
| CN202193569U (en) | Coupling pin shaft of cargo boom of tower crane | |
| CN205677342U (en) | A kind of cross-arm on electric pole | |
| CN204211397U (en) | Assembly type standard knot | |
| CN202659650U (en) | Rotary joint subassembly for guardrail and guardrail | |
| CN206716186U (en) | A kind of attachment means of grinding roller and shaft of grinding roller | |
| CN207268254U (en) | A kind of high strength nut | |
| CN201249970Y (en) | Folding lateral plate of folding cabinet and joint assembly, square tube and sealing elements used thereof | |
| CN205975585U (en) | Novel precast concrete connecting elements | |
| CN205173670U (en) | Lead screw anticreep valve | |
| CN201567097U (en) | Cross-shaped square key for starting winding machine | |
| CN102678696A (en) | Rotary joint component for guard bars and guard bar | |
| CN204802870U (en) | Wire rope connecting piece | |
| CN203734142U (en) | C section bar splicing reinforcement angle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150810 |
|
| EXPY | Termination of patent right or utility model |