CN217399390U - Elastic supporting device for large-tonnage damper - Google Patents
Elastic supporting device for large-tonnage damper Download PDFInfo
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- CN217399390U CN217399390U CN202221024392.1U CN202221024392U CN217399390U CN 217399390 U CN217399390 U CN 217399390U CN 202221024392 U CN202221024392 U CN 202221024392U CN 217399390 U CN217399390 U CN 217399390U
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Abstract
The utility model discloses an elastic support device for large-tonnage attenuator, including suspension type elastic support part, suspension type elastic support part connects in the bridge, suspension type elastic support part includes the rings subassembly, the rings subassembly is connected in the attenuator of large-tonnage, the rings subassembly can vertical reciprocating motion. A elastic support device for large-tonnage attenuator, through setting suspension type elastic support part hangs and connects the attenuator, right the attenuator forms elastic support, can effectively prevent the flexural deformation of attenuator avoids the inside wearing and tearing of attenuator have improved the life of attenuator, and the order the attenuator is when receiving the support, still has vertical removal's space when the bridge produces the amount of deflection change or vertical vibration, has avoided attenuator and strutting arrangement receive the damage, the device simple structure, convenient to use, respond well.
Description
Technical Field
The utility model relates to a attenuator technical field, especially an elastic support device for large-tonnage attenuator.
Background
The large-span bridge mostly adopts a large-tonnage damper, the stroke of the large-tonnage damper is long, the length of the large-tonnage damper is too long, when the stroke reaches +/-1200 mm, the length of the viscous fluid damper can reach 6.5m, and the length of the eddy current damper can reach 4 m. Under the action of self weight, the large-tonnage damper can generate flexible deformation, and the viscous damper can aggravate the abrasion of a sealing piece, finally cause oil leakage and damper failure; the eddy current damper increases the wear of the ball screw, and reduces the life.
Therefore, the large-tonnage damper with long stroke needs additional intermediate support for preventing deflection and improving stress. However, the two ends of the damper are connected by a hinged structure, if a common rigid support is added, excessive constraint can be caused, the damper cannot adapt to deflection change or vertical vibration generated by the bridge under the live load effect, and the damper or the support is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems that the large-tonnage damper in the prior art can generate flexible deformation under the action of self weight if not provided with a support, so that the abrasion of the damper is accelerated, and the service life is shortened; if the rigid support is installed, the overall over-constraint can be caused, the problem that the deflection change or the vertical vibration of the bridge cannot be adapted to is solved, and the elastic support device for the large-tonnage damper is provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides an elastic support device for large-tonnage attenuator, includes suspension type elastic support part, suspension type elastic support part connects in the bridge, suspension type elastic support part includes rings subassembly, rings subassembly is connected in the attenuator of large-tonnage, rings subassembly can vertical reciprocating motion.
Adopt an elastic support device for large-tonnage attenuator, through setting suspension type elastic support part hangs and connects the attenuator, right the attenuator forms elastic support, can effectively prevent the flexural deformation of attenuator avoids the inside wearing and tearing of attenuator have improved the life of attenuator, and the order the attenuator is when receiving the support, still has vertical removal's space when the bridge produces the amount of deflection change or vertical vibration, has avoided attenuator and strutting arrangement receive the damage, the device simple structure, convenient to use, respond well.
Preferably, suspension type elastic support component still includes centre gripping subassembly and vertical elastic component, the centre gripping subassembly is connected in the steel longeron of bridge, the centre gripping subassembly is connected vertical elastic component, vertical elastic component connects rings subassembly.
Further preferably, the centre gripping subassembly includes the girder, connect under the girder vertical elastic component, girder side is equipped with two at least connecting seats, the vertical first jib that is equipped with on the connecting seat, two a grip block is connected to first jib, grip block, two that correspond first jib with region between the girder is used for passing steel longeron, the grip block with distance between the girder can be adjusted.
Further preferably, the first suspension rod is a screw rod, a locking nut is connected to the screw rod in a threaded manner, and the clamping plate is fastened through the locking nut.
Further preferably, two connecting seats are arranged on two sides of the main beam respectively, the first suspender on the same side is connected with the clamping plate, and the first suspender is located at the end part of the clamping plate.
Further preferably, four connecting seats are symmetrically arranged relative to two middle vertical planes of the main beam, and stress can be balanced.
Further preferably, vertical elastic component includes the installation section of thick bamboo of two at least vertical settings, an installation section of thick bamboo connect in the centre gripping subassembly, be equipped with the first spring of vertical setting and the second jib of vertical setting in the installation section of thick bamboo, first spring housing is located outside the second jib, the top of second jib is connected the top of first spring, the bottom of second jib stretches out an installation section of thick bamboo and connection floorbar, the bottom of first spring is connected the inner bottom of an installation section of thick bamboo, set up on the floorbar the rings subassembly.
Further preferably, the second hanger rod is a screw rod, a height-adjusting nut is connected to the second hanger rod through threads, and the bottom beam is fastened through the height-adjusting nut.
Further preferably, both ends of the first spring are respectively connected with a first spring connecting piece, the first spring connecting piece at the top is connected with the top of the second suspender, and the first spring connecting piece at the bottom is connected with the inner bottom of the mounting cylinder.
Further preferably, the first spring connector at the bottom is fixedly connected to the inner bottom of the mounting barrel, and the first spring connector at the top is fixedly connected to the top of the second suspension rod through a first adjusting nut.
Further preferably, the two ends of the main beam are symmetrically provided with four installation cylinders, the top of each installation cylinder is connected to the main beam, the four second suspenders are connected to the bottom beam, and the bottom beam between the two inner second suspenders is provided with the lifting ring assembly.
Preferably, this an elastic support device for large-tonnage damper still includes column elastic support component, column elastic support component connects in the bridge, column elastic support component includes the lip block, the top butt of lip block in the bottom of damper, the lip block can vertical reciprocating motion.
By adopting the structure, the damper is effectively and elastically supported by the suspension type elastic supporting part and the jacking of the column type elastic supporting part together, so that the flexible deformation of the damper is further prevented, and when one elastic support fails, the other elastic support can still function.
Further preferably, the column type elastic support part further comprises a base and a supporting seat which are arranged oppositely, the supporting seat is located above the base, at least three supporting rods are arranged between the base and the supporting seat, a second spring is sleeved outside each supporting rod, the top end of each second spring abuts against the bottom of the supporting seat, the bottom end of each second spring abuts against the top of the base, the supporting seat top is provided with the supporting cushion block, and the base is connected to the bridge.
Further preferably, the support rod is a screw rod, a second adjusting nut is connected to the support rod through threads, and the support seat is limited through the second adjusting nut.
Further preferably, a mounting nut is connected to the support rod in a threaded manner, and the support rod is fastened to the base through the mounting nut.
Further preferably, the two ends of the second spring are respectively connected with a second spring connecting piece, the second spring connecting piece at the top is abutted to the bottom of the supporting seat, and the second spring connecting piece at the bottom is abutted to the top of the base.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
a elastic support device for large-tonnage attenuator, through setting suspension type elastic support part hangs and connects the attenuator, right the attenuator forms elastic support, can effectively prevent the flexural deformation of attenuator avoids the inside wearing and tearing of attenuator have improved the life of attenuator, and the order the attenuator is when receiving the support, still has vertical removal's space when the bridge produces the amount of deflection change or vertical vibration, has avoided attenuator and strutting arrangement receive the damage, the device simple structure, convenient to use, respond well.
Drawings
FIG. 1 is a schematic view of the installation position of an elastic support device for a large tonnage damper;
FIG. 2 is a perspective view of a suspended resilient support member;
FIG. 3 is a front view of the suspended elastic support member;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a perspective view of the column-type elastic support member;
fig. 7 is a cross-sectional view of C of fig. 6.
The labels in the figure are: 1-suspended elastic support part, 101-main beam, 102-connecting seat, 103-first suspension rod, 104-clamping plate, 105-locking nut, 111-mounting cylinder, 112-second suspension rod, 113-bottom beam, 114-heightening nut, 115-suspension ring component, 116-first spring, 117-first spring connecting piece, 118-first adjusting nut, 2-column elastic support part, 201-base, 202-supporting seat, 203-supporting rod, 204-second adjusting nut, 205-supporting cushion block, 206-second spring, 207-second spring connecting piece, 208-mounting nut, 3-damper, 4-connecting support seat and 5-steel truss beam.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Examples
As shown in fig. 1, the both ends of the damper 3 of large tonnage for bridge use are connected with connection support 4 respectively, one of them connection support 4 connects the pier, another connection support 4 connects the roof beam body, an elastic support device for large tonnage damper, including suspension type elastic support part 1 and column type elastic support part 2, suspension type elastic support part 1 with column type elastic support part 2 all connects in the bridge, suspension type elastic support part 1 is located 3 tops of damper, suspension type elastic support part 1 hangs and connects damper 3, column type elastic support part 2 is located 3 belows of damper, 2 tops of column type elastic support part connect damper 3.
As shown in fig. 2 to 5, the suspension type elastic support member 1 includes a suspension ring assembly 115, a clamping assembly connected to the steel girder 5 of the bridge, and a vertical elastic assembly connected to the suspension ring assembly 115 such that the suspension ring assembly 115 can vertically reciprocate, and the suspension ring assembly 115 is connected to the damper 3.
As shown in fig. 2, 3 and 4, the clamping assembly includes a main beam 101, two connecting seats 102 are respectively disposed on two sides of the main beam 101, the four connecting seats 102 are symmetrically disposed about two midperpendicular planes of the main beam 101, and are disposed pairwise symmetrically, and can balance stress, the main beam 101 is mounted at the upper end of the steel truss 5, a first suspension rod 103 is vertically disposed on the connecting seat 102, a vertical through hole is disposed on the connecting seat 102 for the first suspension rod 103 to pass through, the first suspension rod 103 is a screw rod, a locking nut 105 is screwed thereon, two first suspension rods 103 located at the same side of the main beam 101 are connected to a clamping plate 104, the clamping plate 104, a region between the two corresponding first suspension rods 103 and the main beam 101 is used for passing through the steel truss 5, and the two clamping plates 104 are disposed in parallel with respect to the main beam 101, the clamping plate 104 is provided with a through hole for the first suspension rod 103 to pass through, the first suspension rod 103 is arranged at the end of the clamping plate 104, the clamping plate 104 can adjust the position along the length direction of the first suspension rod 103, namely, the distance between the clamping plate 104 and the main beam 101 can be adjusted, and after the clamping plate 104 is adjusted to the right position, the clamping plate 104 is fastened through the locking nut 105.
As shown in fig. 5, the vertical elastic assembly includes four vertically arranged installation cylinders 111, four installation cylinders 111 are symmetrically arranged at two ends of the main beam 101, the top of the installation cylinders 111 is connected to the main beam 101, the installation cylinders 111 are located under the main beam 101, a vertically arranged first spring 116 and a vertically arranged second suspension rod 112 are arranged in the installation cylinders 111, the second suspension rod 112 is a screw rod, an elevation nut 114 is connected to the screw rod through a thread, the first spring 116 is sleeved outside the second suspension rod 112, two ends of the first spring 116 are respectively connected to a first spring connector 117, the first spring connector 117 at the top is fastened and connected to the top of the second suspension rod 112 through a first adjusting nut 118, the first spring connector 117 at the bottom is fixedly connected to an inner bottom of the installation cylinders 111, and the bottom end of the second suspension rod 112 extends out of the installation cylinders 111, And the bottom beam 113 is connected with the lifting ring component, the bottom beam 113 is fastened through the height-adjusting nut 114, the lifting ring component 115 is arranged on the bottom beam 113 between the two second suspension rods 112 at the inner side, and the lifting ring component 115 is arranged on the bottom beam 113 in a bolting, welding and other modes.
As shown in fig. 6 and 7, the column-type elastic support member 2 includes a base 201 and a support 202, which are oppositely disposed, the support 202 is located above the base 201, four support rods 203 are disposed between the base 201 and the support 202, the four support rods 203 are uniformly distributed, the support rods 203 are screws, a second adjusting nut 204 and a mounting nut 208 are threadedly connected to the support rods 203, the support rods 203 are fastened to the base 201 through the mounting nut 208, through holes are disposed on the support 202 for the support rods 203 to pass through, the support 202 is limited by the second adjusting nut 204, a second spring 206 is sleeved outside each support rod 203, two ends of the second spring 206 are respectively connected to a second spring connector 207, the second spring connector 207 at the top abuts against the bottom of the support 202, and the second spring connector 207 at the bottom abuts against the top of the base 201, make supporting seat 202 can vertical reciprocating motion, supporting seat 202 top is equipped with lip block 205, base 201 leaves the pilot hole and is used for being connected and spacing with bridge fixed platform, lip block 205's top butt in the bottom of attenuator 3, specifically, lip block 205's top is the convex arc face.
Wherein the first spring 116 and the second spring 206 provide a supporting force by being pressed or pulled for offsetting the self weight of the damper 3; adjusting the pre-stress or pre-tension of the first spring 116 and the second spring 206 and adjusting the position of the support seat 202 or the bottom beam 113 by adjusting the positions of the first adjusting nut 118, the second adjusting nut 204 and the mounting nut 208, so as to facilitate the assembly of the damper 3; the clamping plates 104 and the main beams 101 clamp the steel trussed beams 5 by tightening the locking nuts 105, so that the suspension type elastic supporting part 1 is prevented from overturning; the hoisting ring assembly 115 is used for installing a connecting piece such as a hoisting hook or a steel wire rope and the like so as to realize hoisting connection of the damper 3; the convex arc-shaped surface of the supporting cushion block 205 is arranged along the axial direction of the damper 3, when the bridge girder vibrates up and down, the damper 3 generates a pitch angle, and the convex arc-shaped surface can ensure that the supporting cushion block 205 can be in better contact with the damper 3.
For preventing the large-tonnage that uses in the large-span bridge attenuator 3 produces flexible deformation because of the dead weight, the utility model discloses an elastic support device utilizes the elastic support power of spring to offset attenuator 3's gravity reaches the purpose that prevents its flexible deformation, because the spring has elasticity simultaneously, when the bridge itself produces amount of deflection change or vertical vibration, attenuator 3's vertical motion degree of freedom can not be retrained, has protected attenuator 3 and this elastic support device.
And partial large-span bridge is not convenient for install during column type elastic support part 2, if the rigid frame bridge, also usable suspension type elastic support part 1 is applied to the bridge of isostructure.
The work flow of the column type elastic supporting part 2 is as follows: after the pillar type elastic support member 2 is installed on a pier fixing platform, the pre-pressure of the second spring 206 and the height of the support base 202 are adjusted by adjusting the positions of the second adjusting nut 204 and the installation nut 208 according to the self weight and the installation position of the damper 3, and after the damper 3 is installed on the support base 202, the second spring 206 is compressed, and the reaction force of the pressure is used for balancing the self weight of the damper 3 to prevent the damper 3 from being flexibly deformed.
The working process of the suspension type elastic supporting part 1 is as follows: after the suspension type elastic supporting component 1 is installed on the steel truss girder 5, the locking nut 105 is screwed, and the main girder 101 and the steel truss girder 5 are clamped tightly through the clamping plate 104, so that the suspension type elastic supporting component 1 is prevented from overturning. According to the self weight and the installation position of the damper 3, the pre-pressure of the first spring 116 and the height of the bottom beam 113 are adjusted by adjusting the positions of the first adjusting nut 118 and the heightening nut 114, the suspension connection of the damper 3 is completed by utilizing the suspension ring assembly 115 to match with a steel wire rope, a hook and the like, the bottom beam 113 is fixedly connected with the second suspension rod 112 and the first adjusting nut 118 through bolting, after the damper 3 is suspended, the vertical pulling force borne by the bottom beam 113 is transmitted to the first spring 116 to be compressed, and the reaction force of the pressure is used for balancing the self weight of the damper 3 and preventing the damper from being flexibly deformed.
The elastic supporting device for the large-tonnage damper is characterized in that the damper 3 is hung on the suspension type elastic supporting part 1, the damper 3 is connected to the top of the column type elastic supporting part 2 through the arrangement, the damper 3 is jointly opposite to the damper 3 to form effective elastic supporting, the flexible deformation of the damper 3 can be effectively prevented, the internal abrasion of the damper 3 is avoided, the service life of the damper 3 is prolonged, the damper 3 is supported, meanwhile, a space for vertical movement is reserved when a bridge generates deflection change or vertical vibration, the damper 3 and the supporting device are prevented from being damaged, and when one elastic supporting device fails, the other elastic supporting device still can play a role.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an elastic support device for large-tonnage attenuator, its characterized in that, includes suspension type elastic support part (1), suspension type elastic support part (1) is connected in the bridge, suspension type elastic support part (1) includes rings subassembly (115), rings subassembly (115) are connected in large-tonnage attenuator (3), rings subassembly (115) can vertical reciprocating motion.
2. The elastic support device for large tonnage dampers according to claim 1, wherein the suspended elastic support member (1) further comprises a clamping assembly and a vertical elastic assembly, the clamping assembly is connected to the steel girder (5) of the bridge, the clamping assembly is connected to the vertical elastic assembly, and the vertical elastic assembly is connected to the suspension ring assembly (115).
3. The elastic supporting device for large-tonnage dampers according to claim 2, wherein said clamping assembly comprises a main beam (101), said vertical elastic assembly is connected directly under said main beam (101), at least two connecting seats (102) are arranged on the side of said main beam (101), first suspension rods (103) are vertically arranged on said connecting seats (102), two said first suspension rods (103) are connected with a clamping plate (104), the area between said clamping plate (104), corresponding two said first suspension rods (103) and said main beam (101) is used for passing through said steel truss girder (5), and the distance between said clamping plate (104) and said main beam (101) can be adjusted.
4. The elastic supporting device for large-tonnage dampers according to claim 3, wherein two connecting seats (102) are respectively arranged on both sides of the main beam (101), two first suspension rods (103) on the same side are connected with one clamping plate (104), and the first suspension rods (103) are positioned at the ends of the clamping plate (104).
5. The elastic support device for large tonnage dampers according to claim 4, characterized in that four of said connection seats (102) are arranged symmetrically with respect to two mid-verticals of said main beam (101).
6. The elastic supporting device for large-tonnage dampers according to claim 2, wherein said vertical elastic assembly comprises at least two vertically arranged mounting cylinders (111), said mounting cylinders (111) are connected to said clamping assembly, said mounting cylinders (111) are internally provided with a vertically arranged first spring (116) and a vertically arranged second suspension rod (112), said first spring (116) is sleeved outside said second suspension rod (112), the top end of said second suspension rod (112) is connected to the top end of said first spring (116), the bottom end of said second suspension rod (112) extends out of said mounting cylinders (111) and is connected to a bottom beam (113), the bottom end of said first spring (116) is connected to the inner bottom of said mounting cylinders (111), and said bottom beam (113) is provided with said suspension ring assembly (115).
7. The resilient support means for large tonnage dampers according to claim 6, characterized in that the first spring (116) is connected at both ends with a first spring connector (117) respectively, the first spring connector (117) at the top being connected to the top of the second boom (112), the first spring connector (117) at the bottom being connected to the inner bottom of the mounting tube (111).
8. The elastic supporting device for the large-tonnage damper as recited in any one of claims 1 to 7, further comprising a column-type elastic supporting part (2), wherein the column-type elastic supporting part (2) is connected to a bridge, the column-type elastic supporting part (2) comprises a supporting cushion block (205), the top of the supporting cushion block (205) abuts against the bottom of the damper (3), and the supporting cushion block (205) can vertically reciprocate.
9. The elastic supporting device for large-tonnage dampers according to claim 8, wherein said column-type elastic supporting member (2) further comprises a base (201) and a supporting base (202) which are oppositely arranged, said supporting base (202) is located above said base (201), at least three supporting rods (203) are arranged between said base (201) and said supporting base (202), a second spring (206) is sleeved outside each supporting rod (203), the top end of said second spring (206) abuts against the bottom of said supporting base (202), the bottom end of said second spring (206) abuts against the top of said base (201), said supporting cushion block (205) is arranged on the top of said supporting base (202), and said base (201) is connected to a bridge.
10. The elastic support device for large-tonnage dampers according to claim 9, wherein the second spring (206) is connected with a second spring connector (207) at both ends, the second spring connector (207) at the top abuts against the bottom of the support base (202), and the second spring connector (207) at the bottom abuts against the top of the base (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221024392.1U CN217399390U (en) | 2022-04-29 | 2022-04-29 | Elastic supporting device for large-tonnage damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221024392.1U CN217399390U (en) | 2022-04-29 | 2022-04-29 | Elastic supporting device for large-tonnage damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217399390U true CN217399390U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221024392.1U Active CN217399390U (en) | 2022-04-29 | 2022-04-29 | Elastic supporting device for large-tonnage damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217399390U (en) |
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- 2022-04-29 CN CN202221024392.1U patent/CN217399390U/en active Active
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