CN214653197U - Adjustable pull rod of tower crane - Google Patents
Adjustable pull rod of tower crane Download PDFInfo
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- CN214653197U CN214653197U CN202023220474.7U CN202023220474U CN214653197U CN 214653197 U CN214653197 U CN 214653197U CN 202023220474 U CN202023220474 U CN 202023220474U CN 214653197 U CN214653197 U CN 214653197U
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- tower crane
- festival
- rod
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Abstract
The utility model belongs to the technical field of engineering construction, especially, adjustable pull rod of tower crane, including square chest, the tie rod head festival and the at least one tie rod festival that sets up in the middle of setting up at both ends, through the lead screw connection between square chest and the tie rod head festival, through bolted connection between tie rod head festival and the tie rod festival, through bolted connection between the adjacent tie rod festival, the square chest is used for attaching to the frame with otic placode and tower crane and being connected; the utility model discloses a tower crane circular steel pipe type adjustable pull rod, through setting the pull rod section to various lengths, the splicing of different lengths can splice out the pull rod of different lengths through bolted connection, so as to adapt to the length requirements of different construction sites; the square box, the screw rod, the pull rod head section and the pull rod section can be standardized, so that the management and the storage are convenient; both sides of the pull rod section are sealed by steel plates, so that rainwater is prevented from entering and being rusted.
Description
Technical Field
The utility model relates to an engineering construction technical field, in particular to adjustable pull rod of tower crane.
Background
Along with the development of the national building industry, the tower crane is used more and more, and after the tower crane reaches a certain use height, an attachment device is generally required to be installed, so that the use safety of the tower crane is ensured. Because the tower crane is different with building structure's distance at the job site of difference, so the length of the required attached pull rod of tower crane also need to make very big change. In the conventional tower crane attachment device, welded welding pull rods are used, but the length of the welded pull rods cannot be changed after the welded pull rods are manufactured, so that the attachment pull rods need to be manufactured again when the tower crane is replaced at a construction site, a large amount of manpower and material resources are consumed, and process problems possibly occur in the machining process, so that potential safety hazards are caused.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the adjustable pull rod of the tower crane is provided, the length of the assembled pull rod can be adjusted, and the repeated utilization rate is high.
In order to solve the technical problem, the utility model discloses in adopt technical scheme as follows:
the utility model provides an adjustable pull rod of tower crane, is including setting up square chest, the tie rod head festival and the at least one tie rod festival of setting in the centre at both ends, through lead screw connection between square chest and the tie rod head festival, through bolted connection between tie rod head festival and the tie rod festival, through bolted connection between the adjacent tie rod festival, the square chest is used for adhering to the frame with otic placode and tower machine and is connected.
Furthermore, the upper surface and the lower surface of the square box are provided with pin shaft holes and connected with the lug plate and the tower crane attachment frame through pin holes and plug pins, the tail part of the square box is provided with a first threaded hole, and threaded connection is achieved through the first threaded hole and the screw rod.
Furthermore, the main body of the pull rod head section is a steel pipe, and a second threaded hole is formed in the top of the pull rod head section and is in threaded connection with the screw rod through the second threaded hole.
Furthermore, the lead screw is a length-adjustable lead screw and comprises a first screw and a first nut located on the lower half section of the first screw, the lower half section of the first screw and the outer side of the first nut are in threaded connection with a threaded sleeve, and the bottom of the threaded sleeve is connected with a bolt which is located inside a pull rod head section after installation.
Furthermore, the top of the pull rod head section is sealed by a step-shaped plate, and a threaded hole II is formed in the step-shaped plate.
Furthermore, a plurality of first steel sleeves are uniformly distributed on the outer side face of the tail of the pull rod head section, a plurality of second steel sleeves are uniformly distributed on the outer side faces of two ends of the pull rod section, and the positions of the second steel sleeves correspond to the positions of the first steel sleeves and are connected through bolts.
Furthermore, the main body of the pull rod section is a steel pipe, and two ends of the pull rod section are sealed by steel plates.
Furthermore, the main bodies of the pull rod head joint and the pull rod joint are round steel pipes.
Further, the length of the pull rod section is 0.4-3.2 m.
Further, the length of the pull rod section is 0.4m, 0.8m, 1.6m or 3.2 m.
The technical scheme has the following advantages: the utility model discloses a tower crane circular steel pipe type adjustable pull rod, through setting the pull rod section to various lengths, the splicing of different lengths can splice out the pull rod of different lengths through bolted connection, so as to adapt to the length requirements of different construction sites; the square box, the screw rod, the pull rod head section and the pull rod section are standardized, so that the square box, the screw rod, the pull rod head section and the pull rod section are convenient to manage and store; the two sides of the pull rod section are sealed by steel plates, so that rainwater is prevented from entering and being rusted; the main material adopts a high-strength steel pipe, and the checking calculation of the strength and the stability can meet the use requirement; the pull rod joint is connected with the pull rod head joint through the high-strength bolt, so that the connection stability is guaranteed, and the pull rod joint can be quickly and conveniently mounted and dismounted.
Drawings
Fig. 1 is an assembly schematic view of an adjustable pull rod of a tower crane according to the present invention;
FIG. 2 is a schematic view of a square box of the present invention;
FIG. 3 is a schematic view of a tie rod joint of the present invention;
fig. 4 is a top view of the tie bar head of the present invention;
fig. 5 is a schematic view of a tie bar section in the present invention;
fig. 6 is a top view of the tie bar segment of the present invention;
fig. 7 is a schematic structural diagram of the screw rod of the present invention.
In the figure: the novel screw rod comprises a square box 1, a screw rod 2, a pull rod head section 3, a steel sleeve I4, a steel sleeve II 5, a pull rod section 6, a screw rod I7, a nut I8, a threaded sleeve 9, a threaded hole I10, a threaded hole II 11 and a pin shaft hole 12.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Please refer to fig. 1, an adjustable pull rod of a tower crane, comprising square boxes 1 arranged at two ends, a pull rod head section 3 and at least one pull rod section 6 arranged in the middle, wherein the height of the pull rod is conveniently adjusted by adjusting the number of the pull rod sections 6 according to the actual situation of a site by arranging the at least one pull rod section 6, the square boxes 1 are connected with the pull rod head section 3 through screws, the pull rod head section 3 is connected with the pull rod section 6 through bolts, the adjacent pull rod sections 6 are connected through bolts, the square boxes 1 are used for being connected with ear plates and tower crane attachment frames, the main bodies of the pull rod head section 3 and the pull rod section 6 are round steel pipes, and the high-strength steel pipes and the strength and stability check calculation can meet the use requirements. Referring to fig. 2, in the embodiment, the upper and lower surfaces of the square box 1 are provided with the pin shaft holes 12, and the square box 1 is connected with the lug plate and the tower crane attachment frame through the pin shaft holes 12 and the plug pins. The afterbody of square chest 1 is equipped with screw hole one 10, and the afterbody of square chest 1 is equipped with screw hole one 10 to realize threaded connection through screw hole and lead screw 2, adopt this structural design, the installation between square chest 1 and the tie rod bow 3 is dismantled efficiently.
The utility model provides a square chest 1, lead screw 2, pull rod head festival 3, pull rod festival 6 can all standardize, are convenient for manage and deposit.
The high strength of the utility model means that the yield strength is 1370MPa (140 kgf/mm)2) Above, tensile strength is 1620 MPa (165 kgf/mm)2) The above alloy steels.
Referring to fig. 3 and 4, in the embodiment, the main body of the tie bar head joint 3 is a steel pipe, the top of the tie bar head joint 3 is provided with the second threaded hole 11, and the second threaded hole 11 is in threaded connection with the screw rod 2.
Referring to fig. 7, in order to adjust the distance between the square box 1 and the tie bar head section 3, so that the square box 1 is better connected with the attachment frame and the lug plate, the lead screw 2 in this embodiment is a length-adjustable lead screw 2, and includes a first screw 7 and a first nut 8 located at the lower half section of the first screw 7, the outer sides of the lower half section of the first screw 7 and the first nut 8 are in threaded connection with a threaded sleeve 9, and a bolt is connected to the bottom of the threaded sleeve 9, after installation, the bolt is located inside the tie bar head section 3, and in the using process, the first nut 8 can be rotated to drive the first screw 7 to move up and down along the threaded sleeve 9 according to actual needs, so that the distance between the square box 1 and the tie bar head section 3 is adjusted, so that the position of the square box 1 is adjusted to an optimum position, and the square box 1 is better connected with the attachment frame and the lug plate.
In the embodiment, the top of the pull rod head joint 3 is sealed by a step-shaped plate, and the step-shaped plate is provided with a second threaded hole 11.
Referring to fig. 3, 4, 5 and 6, in the embodiment, the outer side surface of the tail of the tie rod head section 3 is uniformly provided with the plurality of steel sleeves one 4, the outer side surfaces of the two ends of the tie rod section 6 are uniformly provided with the plurality of steel sleeves two 5, the steel sleeves two 5 correspond to the steel sleeves one 4 and are connected through the high-strength bolt, the steel sleeves and the bolt are adopted for connection, the mounting and dismounting efficiency between the tie rod head section 3 and the tie rod section 6 and between the tie rod section 6 and the tie rod section 6 is higher, and the tie rod section 6 and the tie rod head section 3 are connected through the high-strength bolt, so that the connection stability is ensured, and the mounting and dismounting can be fast and convenient.
The main part of the pull rod section 6 in the embodiment is a steel pipe, the two ends of the pull rod section 6 are sealed by steel plates, the two sides of the pull rod section 6 are sealed by steel plates, rainwater is prevented from entering the steel plates to generate rust, and the service life of the pull rod section 6 is prolonged while the use safety of the pull rod section 6 is also improved.
The length of the pull rod section 6 in the embodiment is 0.4-3.2m, and specifically can be 0.4m, 0.8m, 1.6m or 3.2m, and the pull rod sections 6 are set to be of various lengths, and the pull rods with different lengths can be spliced by connecting the splicing pieces with different lengths through bolts so as to meet the length requirements of different construction sites.
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 modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. An adjustable pull rod of a tower crane is characterized in that: including setting up square chest, the tie rod head festival and setting at least one tie rod festival in the centre at both ends, through screw connection between square chest and the tie rod head festival, through bolted connection between tie rod head festival and the tie rod festival, through bolted connection between the adjacent tie rod festival, the square chest is used for adhering to the frame with otic placode and tower machine and is connected.
2. The adjustable pull rod of the tower crane according to claim 1, wherein: the upper surface and the lower surface of the square box are provided with pin shaft holes and connected with the lug plate and the tower crane attachment frame through pin holes and plug pins, and the tail part of the square box is provided with a first threaded hole and is in threaded connection with the screw rod through the first threaded hole.
3. The adjustable pull rod of the tower crane according to claim 1, wherein: the main body of the pull rod head section is a steel pipe, a second threaded hole is formed in the top of the pull rod head section, and the pull rod head section is in threaded connection with the screw rod through the second threaded hole.
4. The adjustable pull rod of the tower crane according to claim 3, wherein: the screw rod is a length-adjustable screw rod and comprises a first screw rod and a first nut located on the lower half section of the screw rod, the lower half section of the first screw rod and the outer side of the first nut are in threaded connection with a threaded sleeve, the bottom of the threaded sleeve is connected with a bolt, and the bolt is located inside a pull rod head section after installation.
5. The adjustable pull rod of the tower crane according to claim 3, wherein: the top of the pull rod head section is sealed by a step-shaped plate, and a threaded hole II is formed in the step-shaped plate.
6. The adjustable pull rod of the tower crane according to claim 1, wherein: the outer side surface of the tail of the pull rod head section is uniformly provided with a plurality of first steel sleeves, the outer side surfaces of two ends of the pull rod section are uniformly provided with a plurality of second steel sleeves, and the positions of the second steel sleeves correspond to the positions of the first steel sleeves and are connected through bolts.
7. The adjustable pull rod of the tower crane according to claim 1, wherein: the main body of the pull rod section is a steel pipe, and two ends of the pull rod section are sealed by steel plates.
8. The adjustable pull rod of the tower crane according to claim 1, wherein: the main bodies of the pull rod head section and the pull rod section are round steel pipes.
9. The adjustable pull rod of the tower crane according to claim 1, wherein: the length of the pull rod section is 0.4-3.2 m.
10. The adjustable pull rod of the tower crane according to claim 8, wherein: the length of the pull rod section is 0.4m, 0.8m, 1.6m or 3.2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023220474.7U CN214653197U (en) | 2020-12-28 | 2020-12-28 | Adjustable pull rod of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023220474.7U CN214653197U (en) | 2020-12-28 | 2020-12-28 | Adjustable pull rod of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214653197U true CN214653197U (en) | 2021-11-09 |
Family
ID=78503830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023220474.7U Active CN214653197U (en) | 2020-12-28 | 2020-12-28 | Adjustable pull rod of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214653197U (en) |
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2020
- 2020-12-28 CN CN202023220474.7U patent/CN214653197U/en active Active
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Address after: 213200 room 223, 168 Huacheng Middle Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Zhongjian Dafeng Mechanical Engineering Co.,Ltd. Address before: 213200 room 223, 168 Huacheng Middle Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: JIANGSU ZHONGJIAN DAFENG MACHINERY ENGINEERING CO.,LTD. |