CN112746754A

CN112746754A - Buckling restrained brace

Info

Publication number: CN112746754A
Application number: CN202110020445.6A
Authority: CN
Inventors: 杨应华; 苗杰
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-05-04
Anticipated expiration: 2041-02-07
Also published as: CN112746754B

Abstract

The invention relates to the technical field of buckling supports, in particular to a buckling restrained brace. The automatic bearing device comprises a supporting mechanism, wherein the supporting mechanism at least comprises a fixing device, the fixing device comprises an upper fixing plate, a lower fixing plate is hinged to the lower portion of the upper fixing plate, fixing screw rods are symmetrically installed at the side end of the surface of the lower fixing plate, a moving plate is arranged on the surface of each fixing screw rod, a fixing motor is arranged on the outer side of each fixing screw rod, and a stretching device is arranged and comprises a supporting plate, stretching screw rods, driven bevel gears, driving shafts, limiting blocks, limiting bearing plates and a rotary table. The invention can facilitate the support clamping of various shapes by the arranged fixing device and the opening device, and the whole device can be unfolded and stretched.

Description

Buckling restrained brace

Technical Field

The invention relates to the technical field of buckling supports, in particular to a buckling restrained brace.

Background

Buckling support is a support structure that uses in the building construction field at present. In the in-process of construction, when the framework to room roof beam or whole house formed to constructor's internal operation can use one kind to carry out the support plate that tentatively supports to room roof beam or whole framework, wherein most support plate then is buckling support structure, and buckling support structure has certain pressure effect of bringing directly over of alleviating, and then is adopted by most construction building.

In present building industry, the buckling support structure that uses carries out house room roof beam supporting framework for being the fixed plate of "ten" style of calligraphy more, when supporting the use to carrying out the single-part, when supporting to large-scale mechanical equipment or majority spare part promptly, current buckling support structure only relies on the horizontal plane at top rather than contacting, so that the equipment of top probably produces and rocks, and simultaneously, current bearing structure's size can't be adjusted, and then, need support probably frequent change to the size of difference, and then influence the efficiency of work. Therefore, we propose a buckling restrained brace in order to solve the existing problems.

Disclosure of Invention

The present invention is directed to a buckling restrained brace, which solves the above problems of the prior art.

In order to achieve the above object, the present invention provides a buckling restrained brace, comprising a brace mechanism, the brace mechanism at least comprising:

the fixing device comprises an upper fixing plate, the upper fixing plate is in an N shape with a downward opening, a lower fixing plate is hinged below the upper fixing plate and is in a rectangle with an upward opening, fixing screw rods are symmetrically arranged at the side end of the surface of the lower fixing plate, moving plates are arranged on the surfaces of the fixing screw rods and are in threaded connection with the fixing screw rods, the bottoms of the moving plates are movably connected with the surface of the lower fixing plate, fixing motors are arranged on the outer sides of the fixing screw rods and are located at the outer side ends of the lower fixing plate;

when the fixing device is used specifically, the upper fixing plate and the lower fixing plate are hinged, the N-shaped upper fixing plate can be conveniently fixedly clamped with the lower fixing plate, the lower fixing plate is contacted with a structure body to be supported above, the structure body is clamped and matched with the interior of the lower fixing plate, meanwhile, due to the fact that the size of the structure body to be supported is different, the motor arranged at the side end is connected with a power supply, the fixed screw rod rotates, and the moving plate is in threaded connection with the fixed screw rod, the moving plate deviates towards the inner side of the thread direction of the fixed screw rod, namely, the moving plate moves towards the inner side relatively, namely, the structure to be fixed in the interior is clamped, and multi-size fixed connection and matching are achieved.

The stretching device comprises two groups of supporting plates, the supporting plates are symmetrically arranged, two supporting plates are arranged in each group, the supporting plates which are relatively arranged on the inner side are hinged and matched with the two side ends of the lower fixing plate, stretching screw rods are symmetrically arranged between the supporting plates and are in threaded connection with the supporting plates, the stretching screw rods are used for stretching the supporting plates outwards, driven bevel gears are arranged on the opposite side ends of the stretching screw rods, driving bevel gears are arranged above the surfaces of the driven bevel gears and are in meshed connection with the driven bevel gears, driving shafts are arranged at the centers of the surfaces of the driving bevel gears, limiting blocks are sleeved on the surfaces of the stretching screw rods and are movably connected with the stretching screw rods, and limiting bearing plates are arranged at the side ends of the limiting blocks, the top of the limiting bearing plate is fixedly arranged with the lower fixing plate, and a turntable is arranged close to the top of the driving shaft;

when the expanding device is used specifically, the two parts of the supporting plate can obtain preliminary position change effect when the supporting plate is used for fixing a structural body through the hinged installation of the supporting plate and the lower fixing plate, when the existing structural body to be supported is not matched with the size of the current supporting plate, the supporting plate is in threaded connection through the installed expanding screw rod, the adsorbed expanding screw rod is rotated through rotating the turntable close to the top of the driving shaft, namely the expanding screw rod acts on the supporting plate, namely the arranged supporting plate can move towards one side relatively, the limiting block and the limiting bearing plate can ensure that the expanding screw rod has certain stability, meanwhile, if the supporting plate needs to move in the opposite direction, the turntable is rotated in the opposite direction, namely the supporting plate is relatively deviated, the size is increased or reduced through deviation, so that the force bearing strength of the supporting plate at the opposite position is changed, meanwhile, the position of the supporting plate is changed so that the supporting plate can be suitable for supporting work under various size environments.

As a further improvement of the technical scheme, the inner side surface of the moving plate is symmetrically provided with fixed springs, the side ends of the fixed springs are respectively provided with a guide plate, and the guide plates are used for relieving and extruding the internal structure.

As a further improvement of the technical scheme, an offset ring is installed at the bottom of the lower fixing plate, an offset screw rod is connected to the inner thread of the offset ring, a side fixing frame is movably connected to one side end of the offset screw rod, and the side fixing frame is in a triangular structure shape.

As a further improvement of the technical scheme, a T-shaped support frame is arranged in the side fixing frame and used for supporting and limiting the side fixing frame.

As a further improvement of the technical scheme, the supporting plate support device is characterized in that fixing blocks are installed between the supporting plates, connecting rods are installed between the fixing blocks, connecting plates are installed at the side ends of the connecting rods in an articulated mode, and the connecting plates are used for propping open the supporting plates.

As a further improvement of this technical scheme, open the device and install the device that shifts up under the device, the device that shifts up includes the curb plate is two that the symmetry set up, movable mounting has the eccentric wheel between the curb plate, the side surface mounting of eccentric wheel has the connecting axle, the motor that shifts up is installed to a side end of connecting axle, it is located to shift up the motor the outside of curb plate, the outer ring that connects has been cup jointed on the surface of eccentric wheel, the surperficial top of outer ring is installed and is shifted up the pole, the top of shifting up the pole is installed and is shifted up the board.

As a further improvement of the technical scheme, pulleys are symmetrically arranged at the bottom of the side plate and are symmetrically arranged in two groups. The side plates can move conveniently along with the movement of the fixing device and the opening device through the arranged pulleys.

As a further improvement of the technical scheme, the slowly moving plates are arranged above the side plates, the two slowly moving plates are arranged in an up-and-down symmetrical mode, and slowly moving springs are arranged between the slowly moving plates.

As a further improvement of the technical scheme, a limiting device is arranged below the fixing device and comprises a limiting plate, the limiting plate is a rectangle with an upward opening, and the limiting plate is used for limiting the bottom of the whole device.

As a further improvement of the technical scheme, the inner side edge of the limit plate is provided with an outer groove symmetrically, and the outer groove is matched with the supporting plate in a clamping manner.

Compared with the prior art, the invention has the beneficial effects that:

1. in this bucking restraint is supported, contact through the structure that bottom plate and top need support, make the structure be the joint cooperation with the inside of bottom plate, the size of the structure that rises because of needs support is different simultaneously, and then, through the motor with the side installation access power, even make fixed screw rod take place to rotate, and then, wherein the movable plate is threaded connection with fixed screw rod, even make the movable plate shift to fixed screw rod's screw thread direction promptly inboard, relative motion takes place to the inboard movable plate promptly, carry out the clamping action to the structure that needs the fixing of inside promptly, obtain the fixed connection cooperation of many sizes.

2. In the buckling restrained brace, when the existing structural body to be supported is not matched with the size of the existing bracing plate, the bracing plate is in threaded connection with the bracing plate through the opening screw rod in the mounting mode, the turntable close to the top of the driving shaft is rotated, the adsorbed opening screw rod is rotated, namely the opening screw rod acts on the bracing plate, so that the bracing plate can move towards one side relatively, the limiting block and the limiting bearing plate are arranged, the opening screw rod has certain stability, meanwhile, the bracing plate can move in the opposite direction if needed, so that the turntable can rotate in the opposite direction, even if the bracing plate is relatively deviated, the size of the deviation is increased or reduced, so that the bearing strength of the bracing plate at the relative position is changed, meanwhile, the position of the supporting plate is changed so that the supporting plate can be suitable for supporting work under various size environments.

3. In this bucking restraint is supported, through the rotation with the skew lead screw, the movable mounting of side mount and skew lead screw to the bottom plate that makes the top can carry out the excursion motion to one side, even make fixing device and opening the device and all can take place synchronous skew, whole device can be convenient for be applicable to a plurality of different positions and support.

4. In this bucking restraint is supported, through moving up the motor and insert the power, the slew velocity of motor is moved up in the control, make the connecting axle rotate, rotate in step between eccentric wheel and the curb plate promptly, make the upper boom that the eccentric wheel surface cup jointed take place upward movement, reach the certain degree after, the upper boom promotes the upper mounting plate and goes up the effect of moving up to the opening device of top, prevent fixing device and form pressure to opening the device after having born certain pressure and push down, even must open the lead screw pressurized decline, through the device that moves up, make the effect that the device can receive the power that shifts up of opening.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic structural view of a support mechanism according to embodiment 1;

FIG. 3 is a schematic view of the fixing device according to embodiment 1;

FIG. 4 is an exploded view of the lower fixing plate of embodiment 1;

FIG. 5 is a schematic view showing the structure of the expanding device of embodiment 1;

FIG. 6 is a schematic view of the structure at A in example 1;

FIG. 7 is a schematic view of the structure at B in example 1;

FIG. 8 is a schematic view of the structure of the upward-moving device according to embodiment 1;

FIG. 9 is a schematic view of the structure at point C in example 1;

fig. 10 is a schematic structural view of the limiting device in embodiment 1.

The various reference numbers in the figures mean:

100. a support mechanism;

110. a fixing device; 111. an upper fixing plate; 112. a lower fixing plate; 1121. fixing the screw rod; 1122. moving the plate; 1123. fixing a motor; 1124. fixing the spring; 1125. a guide plate; 1126. an offset ring; 113. offsetting a screw rod; 114. a side fixing frame; 1140. a support frame;

120. an opening device; 121. a supporting plate; 1210. a fixed block; 122. a connecting rod; 123. a connecting plate; 124. opening the screw rod; 1241. a driven bevel gear; 1242. a drive bevel gear; 1243. a drive shaft; 1244. a limiting block; 1245. a limiting bearing plate; 1246. a turntable;

130. an upward moving device; 131. a side plate; 1310. a pulley; 132. an eccentric wheel; 133. a connecting shaft; 134. an upward moving motor; 135. slowly moving the plate; 136. slowly moving the spring; 137. an external ring; 138. an upper moving rod; 139. moving the plate upwards;

140. a limiting device; 141. a limiting plate; 142. an outer groove; 143. and (6) an inner inclined groove.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1-10, the present embodiment provides a buckling restrained brace, including a brace mechanism 100, the brace mechanism 100 at least including:

the fixing device 110 comprises an upper fixing plate 111, the upper fixing plate 111 is in an N shape with a downward opening, a lower fixing plate 112 is hinged below the upper fixing plate 111, the lower fixing plate 112 is in a rectangle with an upward opening, fixing screws 1121 are symmetrically installed at the side ends of the surface of the lower fixing plate 112, moving plates 1122 are arranged on the surfaces of the fixing screws 1121, the moving plates 1122 are in threaded connection with the fixing screws 1121, the bottoms of the moving plates 1122 are movably connected with the surface of the lower fixing plate 112, fixing motors 1123 are arranged on the outer sides of the fixing screws 1121, and the fixing motors 1123 are located at the outer side ends of the lower fixing plate 112;

when the fixing device 110 of the present invention is used specifically, the upper fixing plate 111 and the lower fixing plate 112 are hinged to each other, and the upper fixing plate 111 in an "N" shape can be conveniently fixed and clamped to the lower fixing plate 112, and the lower fixing plate 112 is in contact with a structure to be supported above, so that the structure is clamped and matched to the inside of the lower fixing plate 112, and because the size of the structure to be supported is different, the motor mounted at the side end is connected to a power supply, so that the fixing screw rod 1121 rotates, and further, the moving plate 1122 is in threaded connection with the fixing screw rod 1121, so that the moving plate 1122 is shifted toward the inner side of the fixing screw rod 1121, that is, the moving plate 1122 moves inward relatively, that is, the structure to be fixed inside is clamped, so that multi-size fixed connection and matching are achieved.

The stretching device 120 comprises two groups of symmetrically arranged supporting plates 121, two groups of supporting plates 121 are arranged in each group of supporting plates 121, the supporting plates 121 on the inner side relative to the two groups of supporting plates 121 are hinged and matched with the two side ends of the lower fixing plate 112, stretching screw rods 124 are symmetrically arranged between the supporting plates 121, the stretching screw rods 124 are in threaded connection with the supporting plates 121, the stretching screw rods 124 are used for stretching the supporting plates 121 outwards, driven bevel gears 1241 are arranged on the opposite side ends of the stretching screw rods 124, driving bevel gears 1242 are arranged above the surfaces of the driven bevel gears 1241, the driving bevel gears 1242 are in meshed connection with the driven bevel gears 1241, a driving shaft 1243 is arranged at the center of the surfaces of the driving bevel gears 1242, limit blocks 1244 are sleeved on the surfaces of the stretching screw rods 124, the limit blocks 1244 are movably connected with the stretching screw rods 124, limit bearing plates 1245 are arranged at the side ends of the limit blocks 1244, and the, a rotary table 1246 is installed near the top of the driving shaft 1243;

when the expanding device 120 of the present invention is used specifically, the two parts of the supporting plate 121 can obtain a preliminary position changing effect when the supporting plate 121 is fixed to a structure body by the hinged installation of the supporting plate 121 and the lower fixing plate 112, when the existing structure body to be supported does not fit the size of the current supporting plate 121, the expanding screw rod 124 installed is in threaded connection with the supporting plate 121, the rotary disc 1246 close to the top of the driving shaft 1243 is rotated to rotate the adsorbed expanding screw rod 124, that is, the expanding screw rod 124 acts on the supporting plate 121, that is, the arranged supporting plate 121 moves relatively to one side, the arranged limit block 1244 and the limit bearing plate 1245 can make the expanding screw rod 124 have a certain stability, and if the supporting plate 121 needs to move in the opposite direction, the rotary disc 1246 is rotated in the opposite direction, that is, that the supporting plate 121 shifts relatively, the size of the offset is increased or decreased, so that the relative position of the stay plate 121 is changed by the force bearing force, and the position of the stay plate 121 is changed so that the stay plate 121 can be adapted to support work in various size environments.

In this embodiment, the fixed springs 1124 are symmetrically disposed on the inner side surface of the moving plate 1122, the side end portions of the fixed springs 1124 are respectively provided with the guide plates 1125, the guide plates 1125 are used for relieving and pressing the internal structure, and the internal structure is clamped and fastened by the guide plates 1125 and the fixed springs 1124 when the moving plate 1122 is moved relatively, so that the structure is prevented from being damaged by excessive pressure, wherein the fixed springs 1124 can relieve and press, and certain protection is improved.

Specifically, an offset ring 1126 is mounted at the bottom of the lower fixing plate 112, an offset screw 113 is screwed inside the offset ring 1126, a side fixing frame 114 is movably connected to one end of the offset screw 113, the side fixing frame 114 is in a triangular structure, the offset ring 1126 and the offset screw 113 are in threaded connection, the side fixing frame 114 and the offset screw 113 are movably mounted by rotating the offset screw 113, so that the upper lower fixing plate 112 can perform offset movement towards one side, namely, the fixing device 110 and the opening device 120 can perform synchronous offset, and the whole device can be conveniently suitable for being supported at a plurality of different positions.

Furthermore, a support 1140 in a shape of "T" is installed inside the side fixing frame 114, the support 1140 is used for supporting and limiting the side fixing frame 114, and the "T" shaped support 1140 is provided, so that the side fixing frame 114 can be effectively stabilized during use, and the use is enhanced.

Still further, install fixed block 1210 between the relative fagging 121, install connecting rod 122 between the fixed block 1210, the side of relative connecting rod 122 is all articulated to be installed connecting plate 123, connecting plate 123 is used for strutting fagging 121, be provided with connecting rod 122 and connecting plate 123 between fagging 121 through the symmetry, and the connecting plate 123 at both ends all is articulated installation, so that the expansion through connecting plate 123 or withdraw and can make fagging 121 expand in step and withdraw, fagging 121's volume has been increased promptly, can expand more when carrying out the support to the structure body to fagging 121 and prop up.

Wherein, an upward moving device 130 is installed right below the opening device 120, the upward moving device 130 comprises two side plates 131, wherein the side plates 131 of the side plates 131 are symmetrically arranged, an eccentric wheel 132 is movably installed between the side plates 131, a connecting shaft 133 is installed on the surface of the side end of the eccentric wheel 132, an upward moving motor 134 is installed on one side end of the connecting shaft 133, the upward moving motor 134 is positioned outside the side plates 131, an external connecting ring 137 is sleeved on the surface of the eccentric wheel 132, an upward moving rod 138 is installed on the top of the surface of the external connecting ring 137, an upward moving plate 139 is installed above the upward moving rod 138, the rotation speed of the upward moving motor 134 is controlled by connecting the upward moving motor 134 to the power supply, so that the connecting shaft 133 rotates, namely, the eccentric wheel 132 and the side plates 131 synchronously rotate, the upward moving rod 138 sleeved on the surface of the eccentric wheel 132 moves upward, and after reaching a certain degree, the, the fixing device 110 is prevented from pressing down the expanding device 120 after being subjected to a certain pressure, i.e. the expanding screw rod 124 is pressed down, and the expanding device 120 can receive the force of moving up through the moving up device 130.

Further, pulleys 1310 are symmetrically installed at the bottom of the side plate 131, and the pulleys 1310 are symmetrically arranged in two groups. The pulley 1310 is arranged so that the side plate 131 can move conveniently along with the movement of the fixing device 110 and the opening device 120.

Furthermore, the upper side of the side plate 131 is provided with two slowly moving plates 135, the two slowly moving plates 135 are arranged in an up-and-down symmetrical manner, a slowly moving spring 136 is arranged between the slowly moving plates 135, the slowly moving plates 135 and the slowly moving spring 136 are arranged, so that the slowly moving plates 135 and the upper moving plates 139 at the top are fixed to relieve the downward movement effect, under the effect of the eccentric wheel 132 and the upper moving motor 134, the upper eccentric wheel 132 on the upper side is shifted to a certain position, the upper moving rod 138 is pushed upwards to prevent the upper moving rod 138 from generating downward sliding vibration, the multiple groups of slowly moving springs 136 can support the upper moving plates 139 to fix the upper side to obtain stable support, namely, the opening device 120 at the upper side obtains stable support effect.

In addition, the limiting device 140 is arranged below the fixing device 110, the limiting device 140 comprises a limiting plate 141, the limiting plate 141 is in a rectangular shape with an upward opening, the limiting plate 141 is used for limiting the bottom of the whole device, and the limiting plate 141 with the upward opening is mounted at the bottom and is in a horizontal state, so that the whole device is effectively limited in position, namely is in contact with the ground to be horizontal, and the supporting effect of the whole device is enhanced.

It should be noted that the inner side edge of the position limiting plate 141 is symmetrically provided with the eccentric grooves 142, the eccentric grooves 142 are in clamping fit with the supporting plate 121, the eccentric grooves 142 and the supporting plate 121 form a fixed clamping fit, so that the supporting plate 121 can be stably fixed inside the position limiting plate 141, the whole device can be in contact fit with the ground at a certain level, the stability of the device is improved, meanwhile, the central surface of the position limiting plate 141 is provided with a plurality of groups of symmetrical eccentric grooves 143, the eccentric grooves 143 can be matched with the size of the supporting plate 121, and the supporting plate 121 can be moved to be fixed inside the plurality of different horizontal eccentric grooves 143 when moving.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A buckling restrained brace, comprising: comprising a support mechanism (100), said support mechanism (100) comprising at least:

the fixing device (110) comprises an upper fixing plate (111), the upper fixing plate (111) is in an N shape with a downward opening, a lower fixing plate (112) is hinged to the lower portion of the upper fixing plate (111), the lower fixing plate (112) is in a rectangular shape with an upward opening, fixing screws (1121) are symmetrically installed at the side end of the surface of the lower fixing plate (112), moving plates (1122) are arranged on the surfaces of the fixing screws (1121), the moving plates (1122) are in threaded connection with the fixing screws (1121), the bottoms of the moving plates (1122) are movably connected with the surface of the lower fixing plate (112), fixing motors (1123) are arranged on the outer sides of the fixing screws (1121), and the fixing motors (1123) are located at the outer side ends of the lower fixing plate (112);

the stretching device (120) comprises two symmetrically arranged supporting plates (121), two supporting plates (121) are arranged in each group of the supporting plates (121), the supporting plates (121) on the inner side relative to the two side ends of the lower fixing plate (112) are in hinged fit, stretching screw rods (124) are symmetrically arranged between the supporting plates (121), the stretching screw rods (124) are in threaded connection with the supporting plates (121), the stretching screw rods (124) are used for stretching the supporting plates (121) outwards, driven bevel gears (1241) are arranged on the opposite side ends of the stretching screw rods (124), driving bevel gears (1242) are arranged above the surfaces of the driven bevel gears (1241), the driving bevel gears (1242) are in meshed connection with the driven bevel gears (1241), and a driving shaft 1243 is arranged in the surface center of the driving bevel gears (1242), the surface of the opening screw rod (124) is sleeved with a limiting block (1244), the limiting block (1244) is movably connected with the opening screw rod (124), a limiting bearing plate (1245) is installed at the side end of the limiting block (1244), the top of the limiting bearing plate (1245) is fixedly installed with the lower fixing plate (112), and a turntable (1246) is installed at the top close to the driving shaft (1243).

2. The buckling-restrained brace of claim 1, wherein: the inner side surface of the moving plate (1122) is symmetrically provided with fixed springs (1124), the side end parts of the fixed springs (1124) are respectively provided with a guide plate (1125), and the guide plates (1125) are used for relieving extrusion to an internal structure body.

3. The buckling-restrained brace of claim 1, wherein: the bottom of bottom plate (112) is installed and is shifted ring (1126), the internal thread connection of shifting ring (1126) has skew lead screw (113), one side end swing joint of skew lead screw (113) has side mount (114), side mount (114) are the triangle-shaped structure form.

4. The buckling-restrained brace of claim 3, wherein: a T-shaped support frame (1140) is arranged inside the side fixing frame (114), and the support frame (1140) is used for supporting and limiting the side fixing frame (114).

5. The buckling-restrained brace of claim 1, wherein: relatively install fixed block (1210) between fagging (121), install connecting rod (122) between fixed block (1210), it is relative the side of connecting rod (122) is all articulated to be installed connecting plate (123), connecting plate (123) are used for right strut of fagging (121).

6. The buckling-restrained brace of claim 1, wherein: open device (130) of moving up is installed under device (120), move up device (130) and include curb plate (131) are two that the symmetry set up, movable mounting has eccentric wheel (132) between curb plate (131), the side surface mounting of eccentric wheel (132) has connecting axle (133), upward shift motor (134) is installed to a side of connecting axle (133), upward shift motor (134) are located the outside of curb plate (131), outer ring (137) have been cup jointed on the surface of eccentric wheel (132), last shift rod (138) is installed at the surperficial top of outer ring (137), upward shift plate (139) are installed to the top of last shift rod (138).

7. The buckling-restrained brace of claim 6, wherein: pulleys (1310) are symmetrically installed at the bottom of the side plate (131), and the pulleys (1310) are symmetrically arranged in two groups.

8. The buckling-restrained brace of claim 6, wherein: all install above curb plate (131) and slowly move board (135), slowly move two that the longitudinal symmetry of board (135) set up, slowly move and be provided with between board (135) and slowly move spring (136).

9. The buckling-restrained brace of claim 1, wherein: a limiting device (140) is arranged below the fixing device (110), the limiting device (140) comprises a limiting plate (141), the limiting plate (141) is a rectangle with an upward opening, and the limiting plate (141) is used for limiting the bottom of the whole device.

10. The buckling-restrained brace of claim 9, wherein: the edge of the inner side close to the limiting plate (141) is symmetrically provided with an outer groove (142), and the outer groove (142) is in clamping fit with the supporting plate (121).