CN213837055U - Multipurpose steel pull rod connecting device - Google Patents
Multipurpose steel pull rod connecting device Download PDFInfo
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- CN213837055U CN213837055U CN202022192166.1U CN202022192166U CN213837055U CN 213837055 U CN213837055 U CN 213837055U CN 202022192166 U CN202022192166 U CN 202022192166U CN 213837055 U CN213837055 U CN 213837055U
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Abstract
The utility model discloses a multipurpose steel pull rod connecting device includes: the connecting sleeve, the outer spherical nut and the inner spherical nut are used for connecting a first rod body and a second rod body, one end of the first rod body and one end of the second rod body are respectively fixed on a left base plate and a right base plate, one end of the connecting sleeve is connected with the other end of the first rod body through threads on the connecting sleeve, the outer spherical nut is arranged at the other end of the second rod body through threads on the outer spherical nut, the inner spherical nut is sleeved on the second rod body between the outer spherical nut and one end of the second rod body, the second rod body provided with the outer spherical nut and the inner spherical nut is arranged in the other end of the connecting sleeve, the inner spherical nut is connected with the other end of the connecting sleeve through threads on the inner spherical nut, the outer spherical surface of the outer spherical nut and the inner spherical surface of the inner spherical nut are contacted with each other, the multipurpose steel pull rod connecting device can directly apply specified prestress load on the rod body and a connector to separate the inner spherical nut from the outer spherical nut and rotate the inner spherical nut to realize tensioning, the operation is convenient and fast.
Description
Technical Field
The utility model discloses mainly be applied to in the engineering project steel construction product system, in the structural system that needs carry out prestressing force installation construction, concretely relates to multipurpose steel pull rod connecting device can effectively promote the efficiency of construction.
Background
The steel pull rod product is applied to steel structure bridges, venues, docks and other engineering projects, and structural deviation existing on the site of the product during construction and installation is inevitable, so that the steel pull rod product which can realize length adjustment, adapt to adjustment of any angle and can conveniently use a tensioning tool for tensioning construction is researched and developed. The steel pull rod is applied to various types of steel pull rods, construction efficiency is effectively improved, and the difficulty of site construction is reduced.
The multipurpose connecting structure is arranged at any position on the steel pull rod body. The structure consists of an internal and external spherical threaded connecting piece and a special connecting sleeve. When the length and the angle deviation exist between a construction site and theoretical design, the requirement of the construction site can be met through the connecting structure arranged on the adjusting rod body.
The traditional steel pull rod connection is operated by a method of eliminating thread clearance during tensioning construction. This type of tensioning construction operation requires that a screw thread structure be screwed while applying a prestress load in the tensioning process, the tensioning efficiency is low, and the tensioning operation can be completed by cooperation of a plurality of persons.
Disclosure of Invention
The utility model discloses an invention purpose is the installation difficult problem that the elimination structure job site space structure deviation leads to, reaches the purpose of the quick stretch-draw construction of prestressing force structure system simultaneously, promotes prestressing force efficiency of construction.
In order to accomplish the object of the present invention, the present invention adopts the following technical solutions:
the utility model discloses a multipurpose steel pull rod connecting device, it includes: adapter sleeve, insert nut and interior sphere nut, it is used for connecting the first body of rod and the second body of rod, and the first body of rod and second body of rod one end are fixed respectively on left backing plate and right backing plate, wherein: one end of the connecting sleeve is connected with the other end of the first rod body through a thread on the connecting sleeve, the outer spherical nut is arranged at the other end of the second rod body through a thread on the outer spherical nut, the inner spherical nut is sleeved on the second rod body between the outer spherical nut and one end of the second rod body, the second rod body provided with the outer spherical nut and the inner spherical nut is arranged in the other end of the connecting sleeve, the inner spherical nut is connected with the other end of the connecting sleeve through a thread on the inner spherical nut, and the outer spherical surface of the outer spherical nut and the inner spherical surface of the inner spherical nut are in mutual contact.
The utility model discloses a multipurpose steel pull rod connecting device, wherein: the outer spherical surface of the outer spherical nut and the inner spherical surface of the inner spherical nut are mutually attached spherical surfaces.
The utility model discloses a multipurpose steel pull rod connecting device, wherein: and one end of the first rod body and one end of the second rod body are respectively fixed on the left base plate and the right base plate through fixing nuts.
The utility model discloses a multipurpose steel pull rod connecting device can directly exert the prestressing force load of regulation on the body of rod and connector for inside and outside spherical nut parts, and the stretch-draw is realized to spherical nut in the rotation, and convenient operation is swift. The multipurpose connecting structure of the steel pull rod is designed and researched, the use specifications of corresponding products are expanded, the multipurpose connecting structure is matched and applied to rod bodies with different specifications, and the multipurpose connecting structure is better applied to engineering project construction.
The utility model discloses a multipurpose steel pull rod connecting device has following advantage with current steel pull rod connecting device:
1. space adjustment, adaptation structure deviation: the adjustment of the axial length and the universal angle of the steel pull rod can be realized, and the adjustment is suitable for the actual deviation of the steel structure field and the theoretical design.
2. The construction is convenient: the complex operation of gradual tensioning in the traditional prestress construction is abandoned, the prestress is applied at one time, the length is adjusted at one time, the tensioning is in place, the operation is rapid, and the construction is convenient.
3. The application range is wide: the steel pull rod products of various types of steel structures such as steel structure bridges, venues and docks can be provided with the connecting structures of the types on the rod bodies.
Drawings
Fig. 1 is a schematic view of the multipurpose steel pull rod connecting device of the present invention.
In fig. 1, reference numeral 1 denotes a fixing nut; reference numeral 2 is a first rod body; the reference numeral 3 is a connecting sleeve; reference numeral 4 is an inner spherical nut; reference numeral 5 is a second rod body; reference numeral 6 is an insert nut; reference numeral 7 is a left pad plate; reference numeral 8 denotes a right pad.
Detailed Description
As shown in fig. 1, the utility model discloses multipurpose steel pull rod connecting device includes: the connecting sleeve 3, the outer spherical surface nut 6 and the inner spherical surface nut 4 are used for connecting a first rod body 2 and a second rod body 5, one end of the first rod body 2 and one end of the second rod body 5 are respectively fixed on a left base plate 7 and a right base plate 8 through a fixing nut 1, one end of the connecting sleeve 3 is connected with the other end of the first rod body 2 through threads on the connecting sleeve, the outer spherical surface nut 6 is arranged at the other end of the second rod body 5 through threads on the outer spherical surface nut 6, the inner spherical surface nut 4 is sleeved on the second rod body 5 between the outer spherical surface nut 6 and one end of the second rod body 5, the second rod body 5 provided with the outer spherical surface nut 6 and the inner spherical surface nut 4 is arranged in the other end of the connecting sleeve 3, the inner spherical surface nut 4 is connected with the other end of the connecting sleeve 3 through threads on the inner spherical surface nut 4, and the outer spherical surface of the outer spherical surface nut 6 and the inner spherical surface of the inner spherical surface nut 4 are mutually attached spherical surfaces.
The first rod body 2 is a steel pull rod main body and is a main stressed component, the connecting sleeve 3 is a main stressed component and can also be used for adjusting the whole length of the steel pull rod and bearing a prestressed component in prestressed construction, and the outer spherical nut 4 and the inner spherical nut 6 are main stressed components and are used for adjusting the length of the first rod body 2 and the second rod body 5. The outer spherical surface of the outer spherical surface nut 4 and the inner spherical surface of the inner spherical surface nut 6 are equivalent to a universal shaft joint and can be used for universal angle adjustment and prestress tension. The second rod body 2 is a steel pull rod main body, which is a main stressed member and a member bearing prestress in prestress construction.
The utility model discloses multipurpose steel pull rod connecting device installs according to following mode
Firstly, install according to the structure form shown in fig. 1 the utility model discloses multipurpose steel pull rod connecting device, first body of rod 1 and the 5 both ends of the second body of rod are fixed in on corresponding engineering project node is left backing plate 7 and right backing plate 8 promptly.
And secondly, the length adjustment before installation can be realized by screwing or loosening the inner spherical surface connecting piece in the outer spherical surface nut 4 and the inner spherical surface nut 6, and the universal angle fine adjustment of the steel pull rod can be ensured under the matching of the spherical surfaces.
After the installation is completed, when prestress tensioning construction is carried out, the left end of the tensioning tool is used for clamping the connecting sleeve 3, the right end of the left end of the tensioning tool is used for clamping the end face of the tail part of the thread of the second rod body 5, required tensioning load is axially applied, then the outer spherical surface of the outer spherical surface nut 4 and the inner spherical surface nut 6 are screwed and loosened, and the tensioning construction of the required load can be completed, and the tensioning tool is loaded once, tensioned once and convenient and fast.
The above-mentioned examples are only for describing the preferred embodiments of the present invention, but not for limiting the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (3)
1. A multipurpose steel pull rod connecting device comprises: adapter sleeve (3), insert nut (6) and interior sphere nut (4), it is used for connecting the first body of rod (2) and the second body of rod (5), and the first body of rod (2) and the second body of rod (5) one end are fixed respectively on left backing plate (7) and right backing plate (8), its characterized in that: one end of the connecting sleeve (3) is connected with the other end of the first rod body (2) through a thread on the connecting sleeve, the outer spherical nut (6) is arranged at the other end of the second rod body (5) through a thread on the outer spherical nut, the inner spherical nut (4) is sleeved on the second rod body (5) between the outer spherical nut (6) and one end of the second rod body (5), the second rod body (5) provided with the outer spherical nut (6) and the inner spherical nut (4) is arranged at the other end of the connecting sleeve (3), the inner spherical nut (4) is connected with the other end of the connecting sleeve (3) through a thread on the inner spherical nut, and the outer spherical surface of the outer spherical nut (6) and the inner spherical surface of the inner spherical nut (4) are in mutual contact.
2. The multi-purpose steel tie rod connecting device of claim 1, wherein: the outer spherical surface of the outer spherical surface nut (6) and the inner spherical surface of the inner spherical surface nut (4) are mutually attached spherical surfaces.
3. The multi-purpose steel tie rod connecting device of claim 2, wherein: one end of the first rod body (2) and one end of the second rod body (5) are respectively fixed on the left base plate (7) and the right base plate (8) through the fixing nuts (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022192166.1U CN213837055U (en) | 2020-09-29 | 2020-09-29 | Multipurpose steel pull rod connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022192166.1U CN213837055U (en) | 2020-09-29 | 2020-09-29 | Multipurpose steel pull rod connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213837055U true CN213837055U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022192166.1U Active CN213837055U (en) | 2020-09-29 | 2020-09-29 | Multipurpose steel pull rod connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213837055U (en) |
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2020
- 2020-09-29 CN CN202022192166.1U patent/CN213837055U/en active Active
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