CN215331563U - Piezoelectric semi-active control steel bar connecting device - Google Patents
Piezoelectric semi-active control steel bar connecting device Download PDFInfo
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- CN215331563U CN215331563U CN202121445450.3U CN202121445450U CN215331563U CN 215331563 U CN215331563 U CN 215331563U CN 202121445450 U CN202121445450 U CN 202121445450U CN 215331563 U CN215331563 U CN 215331563U
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Abstract
The utility model discloses a piezoelectric semi-active control steel bar connecting device which comprises 2 square steel blocks and a steel sheet with a clamping head, wherein a piezoelectric ceramic block is arranged between the steel sheet with the clamping head and the steel sheet, the upper side and the lower side of the semi-arc-shaped clamping head are both connected with the square steel blocks through compression springs, a small jack is arranged between the compression springs on the upper side and the lower side of the semi-arc-shaped clamping head, a base of the small jack is installed on the side surface of the square steel block, the steel sheet with the clamping head is fixed on an end plate with a clamping groove and fixed on the square steel blocks through bolts, and the steel sheet and the end plate are both fixed on the square steel blocks through bolts. The utility model generates electricity by the piezoelectric ceramic under the pressure, pushes the small jack and sets the double thrust of the compression spring, so that the two sides of the upper and lower longitudinal steel bars are subjected to the same thrust until the two sides are in a balanced state, and the utility model is suitable for the connection of the longitudinal steel bars with any diameter, is not limited by the diameter of the steel bars, and achieves better fixing effect.
Description
Technical Field
The utility model relates to the technical field of steel bar connecting devices, in particular to a piezoelectric semi-active control steel bar connecting device.
Background
The steel bar is one of the most common main materials in the building industry, the quality of the connection performance of the steel bar joint can directly influence the exertion of the function of the steel bar joint, and particularly, the connection quality of the vertical steel bar joint in main bearing components such as walls, columns and the like can directly influence the bearing capacity and the durability of the whole building. And the current connection mode of the longitudinal steel bars in the load-bearing member is as follows: binding connection, electroslag pressure welding connection and mechanical connection. The main functions of the longitudinal steel bars are to bear pressure and resist the overturning moment effect generated by horizontal load or earthquake horizontal action, the three connecting modes at present cannot effectively solve the problem that the longitudinal steel bars are eccentric when connected, so that the eccentric stress is formed at the joint of the steel bars when the longitudinal steel bars transmit the load, the steel bars are bent and deformed due to unbalanced stress, the vertical bearing capacity is greatly reduced, the mechanical property of a bearing member is influenced, the uneven load generated after the bending deformation generates uneven internal force on nearby concrete, so that tensile stress is generated, the concrete has good compression resistance and poor tensile resistance, the durability of the reinforced concrete member is influenced to a certain extent, the deviation cannot be corrected after the eccentric condition of the steel bars occurs, and in the actual engineering, the vertical steel bars often appear, so the deviation correction cannot be performed after the eccentric and eccentric conditions of the steel bars are generated, at present, no better solution exists.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems in the related art, the present invention provides a piezoelectric semi-active control steel bar connection device, which can overcome the above disadvantages in the prior art.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a half active control steel bar connection device of piezoelectricity, includes 2 square steel blocks and the steel sheet that has the dop, is equipped with piezoceramics piece between the steel sheet of taking the dop and the steel sheet, and both sides all are connected with the square steel block through compression spring on the half arc-shaped clamping piece, be equipped with small-size jack between the compression spring of both sides on the half arc-shaped clamping piece from top to bottom, small-size jack pedestal mounting is in square steel block side, the steel sheet of taking the dop passes through the bolt fastening at the end plate of taking the draw-in groove and is fixed in the square steel block, the steel sheet all passes through the bolt fastening with the end plate on the square steel block.
Further, the compression spring is parallel and symmetrical with the position of the small jack.
Furthermore, the inner sides of the 2 square steel blocks are connected with 4 semi-arc-shaped clamping pieces through compression springs.
Furthermore, the electric wire penetrates through the inside of the square steel block and is connected with the piezoelectric ceramic block and the power supply inside the small jack.
Furthermore, 4 small jacks are installed on the inner side of the square steel block.
The utility model has the beneficial effects that: the piezoelectric ceramic is pressed to generate electricity, the small jack is pushed, the dual thrust of the compression spring is arranged, the two sides of the upper longitudinal steel bar and the lower longitudinal steel bar are subjected to the same thrust until the two sides of the upper longitudinal steel bar and the lower longitudinal steel bar are in a balanced state, the piezoelectric ceramic is suitable for connecting the longitudinal steel bars with any diameter, the diameter of the steel bars is not limited, and a good fixing effect is achieved; the automatic centering can be carried out, the eccentric stress condition of the existing steel bar reducing is avoided, and when the building is affected by earthquake and the like to cause the steel bar deviation and the like, the repairing can be carried out, so that the durability of the building is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an elevation view schematically illustrating a piezoelectric semi-active control rebar junction device according to an embodiment of the present invention.
Fig. 2 is a schematic plan view of a piezoelectric semi-active control reinforcing bar coupler according to an embodiment of the present invention.
In the figure: 1. the piezoelectric ceramic block comprises a square steel block, 2 compression springs, 3 small jacks, 4 semi-arc clamping pieces, 5 end plates with clamping grooves, 6 bolts, 7 steel sheets with clamping heads, 8 piezoelectric ceramic blocks, 9 end plates, 10 steel sheets and 11 electric wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1, the piezoelectric semi-active control steel bar connecting device according to the embodiment of the utility model comprises 2 square steel blocks 1 and steel sheets 7 with clamping heads, wherein piezoelectric ceramic blocks 8 are arranged between the steel sheets 7 with the clamping heads and the steel sheets 10, the steel sheets 7 with the clamping heads can move up and down in clamping grooves, the steel sheets 7 with the clamping heads are fixed on end plates 5 with the clamping grooves and fixed on the square steel blocks 1 through bolts 6, the steel sheets 10 and the end plates 9 are fixed on the square steel blocks 1 through the bolts 6, the upper sides and the lower sides of semi-arc-shaped clamping sheets 4 are connected with the square steel blocks 1 through compression springs 2, small jacks 3 are arranged between the compression springs 2 on the upper sides and the lower sides of the semi-arc-shaped clamping sheets 4, and the small jacks 3 are installed on the side surfaces of the square steel blocks 1. Wherein, the compression spring 2 is parallel and symmetrical with the position of the small jack 3, and the electric wire 11 runs through the inside of the square steel block 1 and is connected with the piezoelectric ceramic block 8 and the power supply inside the small jack 3.
Wherein, 2 1 inboards of square steel block are connected with 4 semi-arc-shaped clamping pieces 4 through compressed spring 2, and 4 small jacks 3 are installed on 1 inboard of square steel block.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
The lower end of the device is placed at a vertical steel bar joint, vertical steel bars to be connected are inserted from an upper opening, the steel sheet with the clamping head can move downwards due to the gravity of the steel bars, the gravity acts on the piezoelectric ceramic block, the piezoelectric ceramic block generates electric energy, the electric energy is transmitted to the small jack through the electric wire, the small jack pushes the semi-arc-shaped clamping piece to move, and the displacement is stopped until the semi-arc-shaped clamping piece tightly fixes the steel bars.
The device is suitable for reinforcing steel bars with any diameter and is not limited by the diameter of the reinforcing steel bars, and the semi-arc-shaped clamping pieces can adjust the radian according to the diameter of the reinforcing steel bars, so that the reinforcing steel bars can be clamped, and a better fixing effect is achieved.
In conclusion, by means of the technical scheme, the compression springs are arranged on the upper side and the lower side of the semi-arc-shaped clamping piece and push the semi-arc-shaped clamping piece to move together with the small jack, so that the holding force of the steel bar is increased, and the quality of steel bar connection is more effectively guaranteed; and because the compression springs and the small jacks are symmetrically arranged, the clamping speed of the semi-arc-shaped clamping pieces to the steel bars is the same, the stress is equal and reverse, the steel bars are ensured to be positioned in an axis state when in a balanced state, and the centering effect is achieved.
Because the pressure on the steel bar above the steel bar is gradually increased along with the increase of the height of the floor in the actual construction, and the more the electric energy generated by the piezoelectric ceramic block is, the larger the thrust generated by the small jack is, the larger the fastening force of the semi-arc-shaped clamping piece to the steel bar is, the more the steel bar is in a centering state, and meanwhile, when the steel bar is eccentric, the deviation can be corrected along with the increase of the load; when the building is affected by earthquakes and the like, the steel bars can be repaired in a deviation manner, and the durability of the building is greatly improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a half active control steel bar connection device of piezoelectricity, includes 2 square steel piece (1) and steel sheet (7) that have the dop, its characterized in that, be equipped with piezoceramics piece (8) between steel sheet (7) and the steel sheet (10) of taking the dop, both sides all are connected with square steel piece (1) through compression spring (2) about half arc clamping piece (4), be equipped with small-size jack (3) between compression spring (2) of both sides about half arc clamping piece (4), small-size jack (3) pedestal mounting is in square steel piece (1) side, steel sheet (7) of taking the dop are fixed at end plate (5) of taking the draw-in groove and are fixed in square steel piece (1) through bolt (6), steel sheet (10) all are fixed to square steel piece (1) through bolt (6) with end plate (9).
2. Piezoelectric semi-active control rebar junction according to claim 1, characterized in that the compression springs (2) are positioned parallel and symmetrical to the small jacks (3).
3. The piezoelectric semi-active control steel bar connection device according to claim 1, wherein 4 semi-arc-shaped clamping pieces (4) are connected to the inner sides of 2 square steel blocks (1) through compressed springs (2).
4. The piezoelectric semi-active control steel bar connecting device according to claim 1, wherein the electric wire (11) penetrates through the inside of the square steel block (1) and is connected with the piezoelectric ceramic block (8) and the power supply inside the small jack (3).
5. The piezoelectric semi-active control steel bar connection device according to claim 1, wherein 4 small jacks (3) are installed inside the square steel block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121445450.3U CN215331563U (en) | 2021-06-28 | 2021-06-28 | Piezoelectric semi-active control steel bar connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121445450.3U CN215331563U (en) | 2021-06-28 | 2021-06-28 | Piezoelectric semi-active control steel bar connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215331563U true CN215331563U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121445450.3U Active CN215331563U (en) | 2021-06-28 | 2021-06-28 | Piezoelectric semi-active control steel bar connecting device |
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| Country | Link |
|---|---|
| CN (1) | CN215331563U (en) |
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2021
- 2021-06-28 CN CN202121445450.3U patent/CN215331563U/en active Active
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