CN204281143U - Tail fastening structure and hoisting crane after a kind of turntable - Google Patents
Tail fastening structure and hoisting crane after a kind of turntable Download PDFInfo
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- CN204281143U CN204281143U CN201420646907.0U CN201420646907U CN204281143U CN 204281143 U CN204281143 U CN 204281143U CN 201420646907 U CN201420646907 U CN 201420646907U CN 204281143 U CN204281143 U CN 204281143U
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- China
- Prior art keywords
- rod member
- turntable
- fastening structure
- tail
- tail fastening
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Abstract
The utility model relates to tail fastening structure and hoisting crane after a kind of turntable, after described turntable, tail fastening structure comprises the first rod member and the second rod member, wherein on the first rod member and the second rod member left riser that is arranged on tail both sides after turntable respectively and right riser, tapped bore is provided with in first rod member, the outside face of the second rod member is provided with screw thread, and the first rod member is connected with cooperatively interacting of described screw thread by described tapped bore with the second rod member.The hoisting crane that the utility model provides comprises tail fastening structure after described turntable.The utility model utilizes the screw thread fit between the first rod member and the second rod member, tension and lax object between them is reached by the first rod member and relatively rotating of the second rod member, greatly reduce to take up space while guarantee has enough tensile strengths, simultaneously, assembling mode is adopted to replace Type of Welding, improve the use alerting ability of tail fastening structure after turntable, there is higher tensile strength, less spatial volume and use alerting ability preferably.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to tail fastening structure and hoisting crane after a kind of turntable.
Background technology
After the turntable of double hoisting hoisting crane, tail framework is longer, and by the restriction of its radius of turn, between two elevators, layout comparison is compact, and bring difficulty will to like this layout of structure, after causing turntable, tail framework cannot strengthen rigidity.In addition, rear tail framework plays the effect of mounting counterbalanced weight simultaneously, after turntable there is larger lateral deformation because of the impact by counterbalanced weight pulling force in tail riser, thus tail two riser spacing changes after causing turntable, cause elevator mounting hole disalignment, make to produce the problems such as shake, leakage of oil in elevator working process, affect its working stability.
For improving the rigidity of tail framework after this kind of turntable, after avoiding turntable, the riser of tail a1 affects by the pulling force of counterbalanced weight a2 and occurs lateral deformation, generally adopt in prior art between the left riser a6 of tail a1 after turntable and right riser a7 and weld the larger pipe of diameter as lacing wire a5, as shown in Figure 1.This lacing wire a5 is between master winch a3 and secondary elevator a4, as shown in Figure 2, simultaneously for ensureing that master winch a3 and secondary elevator a4 has enough installing/dismounting spaces, ensureing that master winch a3 and secondary elevator a4 all can under the prerequisite of Assembly &Disassembly smoothly, tail after turntable is needed to lengthen to ensure enough installing spaces, but this measure can increase rear tail space and cause rotation of rotary table radius R to increase, as shown in Figure 3, in addition, lacing wire a5 can bring inconvenience to the installation of elevator, has namely occurred the phenomenon that compact radius of turn and stronger rear tail frame stiffness cannot get both.
Utility model content
The purpose of this utility model is tail fastening structure and hoisting crane after a kind of turntable of proposition, solves the phenomenon that in prior art, compact radius of turn and stronger rear tail frame stiffness cannot get both.
For achieving the above object, the utility model provides tail fastening structure after a kind of turntable, comprise the first rod member (1) and the second rod member (2), on the left riser (3) that wherein said first rod member (1) and described second rod member (2) are arranged on tail both sides after described turntable respectively and right riser (4), tapped bore is provided with in described first rod member (1), the outside face of described second rod member (2) is provided with screw thread, described first rod member (1) is connected with cooperatively interacting of described screw thread by described tapped bore with described second rod member (2).
Further, described second rod member (2) is solid construction or hollow structure.
Further, described first rod member (1) and described second rod member (2) are fixedly mounted on described left riser (3) and described right riser (4) respectively by nutplate (5) and jam nut (6).
Further, the hand of rotation cooperatively interacted between described first rod member (1) and described nutplate (5) is contrary with the hand of rotation cooperatively interacted between described first rod member (1) and described jam nut (6), and the hand of rotation cooperatively interacted between described second rod member (2) and described nutplate (5) is contrary with the hand of rotation cooperatively interacted between described second rod member (2) and described jam nut (6).
Further, be left-handed cooperation between described first rod member (1) and described second rod member (2), for dextrorotation coordinates between described first rod member (1) and described nutplate (5), for dextrorotation coordinates between described second rod member (2) and described nutplate (5), being left-handed cooperation between described first rod member (1) and described jam nut (6), is left-handed cooperation between described second rod member (2) and described jam nut (6).
Further, described first rod member (1) and/or described second rod member (2) adopt round steel to make.
Further, described first rod member (1) and described second rod member (2) are respectively arranged with the concave station (7) for the first rod member (1) and described second rod member (2) described in handled easily tool holding.
For achieving the above object, the utility model also proposes a kind of hoisting crane, comprises tail fastening structure after above-mentioned turntable.
Based on technique scheme, after the turntable that the utility model provides, tail fastening structure can greatly reduce to take up space while guarantee has enough tensile strengths, simultaneously, assembling mode is adopted to replace Type of Welding, improve the use alerting ability of tail fastening structure after turntable, there is higher tensile strength, less spatial volume and use alerting ability preferably.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of tail fastening structure after prior art intermediate station.
Fig. 2 is the axial block diagram of tail fastening structure after prior art intermediate station.
Fig. 3 is the structural representation of the lacing wire of tail fastening structure after prior art intermediate station.
Fig. 4 is the half-sectional view of a tail fastening structure embodiment after turntable of the present utility model.
Fig. 5 is the block diagram of a tail fastening structure embodiment after turntable of the present utility model.
In figure: tail after a1-turntable, a2-counterbalanced weight, a3-master winch, the secondary elevator of a4-, a5-lacing wire, the left riser of a6-, the right riser of a7-, R-radius of turn, 1-first rod member, 2-second rod member, the left riser of 3-, the right riser of 4-, 5-nutplate, 6-jam nut, 7-concave station.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
In order to solve the phenomenon that in prior art, compact radius of turn and stronger rear tail frame stiffness cannot get both, the utility model proposes tail fastening structure after a kind of turntable, as shown in Figure 4, be the half-sectional view of a tail fastening structure embodiment after turntable of the present utility model.After this turntable, tail fastening structure comprises the first rod member 1 and the second rod member 2, on the left riser 3 that wherein said first rod member 1 and described second rod member 2 are arranged on tail both sides after described turntable respectively and right riser 4, tapped bore is provided with in described first rod member 1, the outside face of described second rod member 2 is provided with screw thread, and described first rod member 1 is connected with cooperatively interacting of described screw thread by described tapped bore with described second rod member 2.
After this turntable, the type of attachment of tail fastening structure is assembling method, utilize the screw thread fit between the first rod member 1 and the second rod member 2, tension and lax object between them is reached by the first rod member 1 and relatively rotating of the second rod member 2, greatly reduce to take up space while guarantee has enough tensile strengths, as shown in Figure 5, simultaneously, assembling mode is adopted to replace Type of Welding, improve the use alerting ability of tail fastening structure after turntable, there is higher tensile strength, less spatial volume and use alerting ability preferably.
Preferably, described second rod member 2 can be solid construction, strengthens extensional rigidity.Described second rod member 2 also can be hollow structure, saves material.
In one embodiment, described first rod member 1 and described second rod member 2 are fixedly mounted on described left riser 3 and described right riser 4 respectively by nutplate 5 and jam nut 6.Described nutplate 5 and described jam nut 6 play the effect of fixing described first rod member 1 and described second rod member 2, certain described nutplate 5 and described jam nut 6 also can replace with other structures, as long as can play the effect of fixing described nutplate 5 and described jam nut 6.
In addition, described nutplate 5 also can with described first rod member 1 and described second rod member 2 one-body molded, by the first rod member 1 with nutplate 5 through described left riser 3, at the opposite side of described left riser 3, the side contrary with described nutplate 5, utilizes described jam nut 6 to be fixed on described left riser 3 by described first rod member 1; Similarly, by the second rod member 2 with nutplate 5 through described right riser 4, at the opposite side of described right riser 4, the side contrary with described nutplate 5, utilizes described jam nut 6 to be fixed on described right riser 4 by described second rod member 2.
In another embodiment, the hand of rotation cooperatively interacted between described first rod member 1 and described nutplate 5 is contrary with the hand of rotation cooperatively interacted between described first rod member 1 and described jam nut 6, and the hand of rotation cooperatively interacted between described second rod member 2 and described nutplate 4 is contrary with the hand of rotation cooperatively interacted between described second rod member 2 and described jam nut 6.Can ensure like this by cooperatively interacting of described nutplate 5 and described jam nut 6 described first rod member 1 and described second rod member 2 to be locked.
Preferably, be left-handed cooperation between described first rod member 1 and described second rod member 2, for dextrorotation coordinates between described first rod member 1 and described nutplate 5, for dextrorotation coordinates between described second rod member 2 and described nutplate 5, being left-handed cooperation between described first rod member 1 and described jam nut 6, is left-handed cooperation between described second rod member 2 and described jam nut 6.Certainly, here it is left-handed cooperation that rotation direction relation also can replace with between described first rod member 1 and described nutplate 5, be left-handed cooperation between described second rod member 2 and described nutplate 5, for dextrorotation coordinates between described first rod member 1 and described jam nut 6, for dextrorotation coordinates between described second rod member 2 and described jam nut 6.
Preferably, described first rod member 1 and/or described second rod member 2 can adopt round steel to make.Adopt round steel to make described first rod member 1 and described second rod member 2, can reduce costs while meeting requirement of strength, certainly, described first rod member 1 and described second rod member 2 also can adopt other materials to make, as long as meet its requirement of strength.
In one embodiment, described first rod member 1 and described second rod member 2 can also be respectively arranged with the concave station 7 for the first rod member 1 described in handled easily tool holding and described second rod member 2.Here concave station 7 can be set to the platform that can form two symmetrical planes, the concave station of this structure can more firmly clamp the first rod member or the second rod member by the operation tool such as convenient wrench, make in the rundown process cooperatively interacted at the first rod member and the second rod member, can more easily by means of operation tool.
Based on tail fastening structure after above-mentioned turntable, the utility model also proposes a kind of hoisting crane, and this hoisting crane comprises tail fastening structure after above-mentioned turntable.
After the turntable that the utility model proposes, tail fastening structure is a kind of build-up type Tiebar structure, under the prerequisite not increasing radius of turn, the rigidity of rear tail framework can be improved, can realize increasing tensile strength and reduction to take up space simultaneously, simultaneously, adopt assembling mode to replace Type of Welding, improve the use alerting ability of tail fastening structure after turntable, there is higher tensile strength, less spatial volume, use alerting ability preferably.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (8)
1. tail fastening structure after a turntable, it is characterized in that, comprise the first rod member (1) and the second rod member (2), on the left riser (3) that wherein said first rod member (1) and described second rod member (2) are arranged on tail both sides after described turntable respectively and right riser (4), tapped bore is provided with in described first rod member (1), the outside face of described second rod member (2) is provided with screw thread, and described first rod member (1) is connected with cooperatively interacting of described screw thread by described tapped bore with described second rod member (2).
2. tail fastening structure after turntable according to claim 1, is characterized in that, described second rod member (2) is solid construction or hollow structure.
3. tail fastening structure after turntable according to claim 1, it is characterized in that, described first rod member (1) and described second rod member (2) are fixedly mounted on described left riser (3) and described right riser (4) respectively by nutplate (5) and jam nut (6).
4. tail fastening structure after turntable according to claim 3, it is characterized in that, the hand of rotation cooperatively interacted between described first rod member (1) and described nutplate (5) is contrary with the hand of rotation cooperatively interacted between described first rod member (1) and described jam nut (6), and the hand of rotation cooperatively interacted between described second rod member (2) and described nutplate (5) is contrary with the hand of rotation cooperatively interacted between described second rod member (2) and described jam nut (6).
5. tail fastening structure after turntable according to claim 4, it is characterized in that, be left-handed cooperation between described first rod member (1) and described second rod member (2), for dextrorotation coordinates between described first rod member (1) and described nutplate (5), for dextrorotation coordinates between described second rod member (2) and described nutplate (5), being left-handed cooperation between described first rod member (1) and described jam nut (6), is left-handed cooperation between described second rod member (2) and described jam nut (6).
6. tail fastening structure after turntable according to claim 1, is characterized in that, described first rod member (1) and/or described second rod member (2) adopt round steel to make.
7. tail fastening structure after turntable according to claim 1, it is characterized in that, described first rod member (1) and described second rod member (2) are respectively arranged with the concave station (7) for the first rod member (1) and described second rod member (2) described in handled easily tool holding.
8. a hoisting crane, is characterized in that, comprises tail fastening structure after the turntable as described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646907.0U CN204281143U (en) | 2014-10-31 | 2014-10-31 | Tail fastening structure and hoisting crane after a kind of turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646907.0U CN204281143U (en) | 2014-10-31 | 2014-10-31 | Tail fastening structure and hoisting crane after a kind of turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204281143U true CN204281143U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420646907.0U Expired - Fee Related CN204281143U (en) | 2014-10-31 | 2014-10-31 | Tail fastening structure and hoisting crane after a kind of turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204281143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640705A (en) * | 2017-11-07 | 2018-01-30 | 长沙雅创智能科技有限公司 | The device that is connected of wind-proof pull rod rod member lower end |
-
2014
- 2014-10-31 CN CN201420646907.0U patent/CN204281143U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640705A (en) * | 2017-11-07 | 2018-01-30 | 长沙雅创智能科技有限公司 | The device that is connected of wind-proof pull rod rod member lower end |
| CN107640705B (en) * | 2017-11-07 | 2023-11-03 | 长沙雅创智能科技有限公司 | Connecting and fixing device for lower end of windproof pull rod piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20191031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |