CN111945587A - Temporary reinforcing structure of tie rod arch bridge steel structure - Google Patents
Temporary reinforcing structure of tie rod arch bridge steel structure Download PDFInfo
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- CN111945587A CN111945587A CN202010851044.0A CN202010851044A CN111945587A CN 111945587 A CN111945587 A CN 111945587A CN 202010851044 A CN202010851044 A CN 202010851044A CN 111945587 A CN111945587 A CN 111945587A
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- rod
- fixedly connected
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a temporary reinforcing structure of a tied arch bridge steel structure, which comprises a base, wherein a lifting outer rod is fixedly arranged on the upper surface of the base, a lifting inner rod is connected on the lifting outer rod in a sliding manner, a first sliding groove is formed in the lifting outer rod, a first sliding block is fixedly arranged on the lifting inner rod, the first sliding block is connected with the first sliding groove in a sliding manner, a second sliding groove is formed in the base, a second sliding block is connected on the second sliding groove in a sliding manner, a hydraulic cylinder is fixedly arranged on the second sliding groove, a telescopic rod is fixedly connected on the hydraulic cylinder, the top end of the telescopic rod is fixedly connected with the second sliding block, a first connecting block is fixedly connected on the second sliding block, a first connecting rod is rotatably connected on the first connecting block, a second connecting block is fixedly connected on the lifting inner rod, and the upper end of the first connecting rod is rotatably connected with the second connecting block, through elevating system to can adjust according to the different height demands of tied arch bridge.
Description
Technical Field
The invention relates to the technical field of bridge reinforcement, in particular to a temporary reinforcing structure for a tied arch bridge steel structure.
Background
The tied arch bridge as one member of arch bridge family has the common features of arch bridge and unique features. The bridge integrates the advantages of an arch and a beam, combines two basic structural forms of the arch and the beam together to bear load together, gives full play to the structural performance and the combination effect of bending and pressing the beam, and bears the horizontal thrust of an arch end by using a pull rod so that a support of the arch end does not generate the horizontal thrust. The arch and the chord are connected by vertical rods hinged at two ends. The Nielsen system can also be formed by using diagonal rods instead of straight rods. The interior of the arch bridge is a hyperstatic system, and the exterior of the arch bridge is statically determinate, so that the uneven settlement of the abutment is not influenced. The structure can be mainly divided into two combined systems with thrust and without thrust.
When the tie-bar arch bridge needs to be temporarily reinforced, different tie-bar arch bridges have different height requirements, and different temporary reinforcing mechanisms are needed, so that the practicability of the temporary reinforcing mechanisms is greatly reduced.
Disclosure of Invention
The present invention is directed to a temporary reinforcing structure for a steel structure of a tied arch bridge, which solves the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme:
a temporary reinforcing structure of a tied arch bridge steel structure comprises a base, wherein a lifting mechanism, a buffer mechanism and a clamping mechanism are sequentially arranged on the base from bottom to top, the lifting mechanism comprises a lifting outer rod, a lifting inner rod, a first connecting rod and a high-pressure air pump, the upper surface of the base is fixedly provided with the lifting outer rod, the lifting outer rod is connected with the lifting inner rod in a sliding manner, the lifting outer rod is provided with a first chute, the lifting inner rod is fixedly provided with a first slide block, the first slide block is connected with the first chute in a sliding manner, the base is provided with a second chute, the second chute is connected with a second slide block in a sliding manner, the second chute is fixedly provided with a hydraulic cylinder, the hydraulic cylinder is fixedly connected with a telescopic rod, the top end of the telescopic rod is fixedly connected with the second slide block, and the second slide block is fixedly connected with a first connecting block, the lifting rod is fixedly connected with a first connecting block, the lifting rod is fixedly connected with a second connecting block, and the upper end of the first connecting block is rotatably connected with the second connecting block.
The further scheme of the invention is as follows: the base is internally and fixedly provided with a high-pressure air pump, the high-pressure air pump is fixedly connected with an air pipe, and the air pipe extends into the lifting outer rod.
The further scheme of the invention is as follows: the upper end of the lifting inner rod is rotatably connected with a first supporting plate, the first supporting plate is provided with a buffer mechanism, the buffer mechanism comprises a first spring, a second spring, a rotating plate, an inner rod and an outer cylinder, the upper surface of the first supporting plate is fixedly provided with the inner rod, the inner rod is sleeved with the second spring, the inner rod is slidably connected with the outer cylinder, the first supporting plate is fixedly provided with a third connecting block, the third connecting block is rotatably connected with the rotating plate, the first supporting plate is fixedly provided with a fixed plate, the rotating plate and the fixed plate are fixedly connected with the first spring, the outer cylinder is fixedly provided with a fourth connecting block, the fourth connecting block is rotatably connected with a second connecting rod, the bottom end of the second connecting rod is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a fifth connecting block, and the fifth connecting block is rotatably connected with an extrusion wheel, the squeezing wheel is in sliding contact with the rotating plate.
The further scheme of the invention is as follows: the utility model discloses a clamping device, including urceolus, driving gear, driven gear and clamping plate, the upper end fixedly connected with second backup pad of urceolus, be provided with clamping mechanism on the second backup pad side, clamping mechanism includes third backup pad, driving gear, driven gear and clamping plate, it is connected with first axis of rotation to rotate in the third backup pad, fixedly connected with driving gear in the first axis of rotation, it is connected with the second axis of rotation to rotate in the third backup pad, fixedly connected with driven gear in the second axis of rotation, the driving gear is connected with driven gear meshing, fixedly connected with third connecting rod in the second axis of rotation, third connecting rod upper end is rotated and is connected with the fourth connecting rod, the upper end of fourth connecting rod is rotated and is connected with the fifth connecting rod, the fifth connecting rod rotates with the third backup pad and is connected.
The further scheme of the invention is as follows: fixedly connected with motor on the pole in going up and down, the output fixedly connected with third axis of rotation of motor, fixed mounting has bevel gear in the third axis of rotation, the bottom fixed mounting of first backup pad has skewed tooth, bevel gear and skewed tooth meshing are connected.
The further scheme of the invention is as follows: the utility model discloses a wheel lifting device, including base, wheel lifting plate, articulated mast, wheel, fixed mounting has the bracing piece, fixedly connected with electric telescopic handle on the bracing piece, electric telescopic handle's bottom fixedly connected with wheel lifting plate, it is connected with the articulated slab to rotate on the wheel lifting plate, the bottom fixedly connected with fourth axis of rotation of articulated slab, it is connected with the wheel to rotate in the fourth axis of rotation, the side fixedly connected with fifth axis of rotation of base, the articulated slab rotates with the fifth axis of rotation to be connected.
The further scheme of the invention is as follows: the bottom of base is seted up flutedly, the upper surface fixed connection of base has the air exhauster, fixedly connected with exhaust tube on the air exhauster, the exhaust tube links to each other with the recess.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the arrangement of the lifting mechanism, when the height adjustment is carried out, the hydraulic cylinder is started, the second sliding block is driven to slide in the second sliding groove through the telescopic rod, so that the first connecting block is driven to move left and right, the inner lifting rod is driven to move up and down in the outer lifting rod through the first connecting rod, the first sliding block moves up and down in the first sliding groove, the high-pressure air pump is started at the same time, the inner part of the outer lifting rod is pressurized through the air delivery pipe, so that the inner lifting rod is supported, and through the lifting mechanism, the adjustment can be carried out according to different height requirements of the tied arch bridge.
Through setting up clamping mechanism, when using, drive the driving gear through outside driving motor and rotate, through the driven gear who is connected rather than the meshing to drive the second axis of rotation and rotate, thereby drive the third connecting rod, thereby drive the fourth connecting rod, through the fifth connecting rod of being connected with the rotation of third backup pad, thereby drive the clamp plate and realize pressing from both sides tightly.
Through setting up buffer gear, when the atress of second backup pad, thereby the urceolus atress moves down and extrudees the second spring on interior pole, under the effect of second spring, play the cushioning effect to the second backup pad, when the urceolus moves down, it moves down to drive the second connecting rod simultaneously, thereby make the extrusion wheel extrude the rotor plate, the rotor plate is when rotating, extrude first spring, under the effect of first spring, thereby play buffer gear to the second backup pad once more, through setting up the cushioning effect, thereby play the cushioning effect to fixed establishment, avoid rigid support to lead to fixed establishment to receive the damage.
Drawings
Fig. 1 is a structural view illustrating a temporary reinforcing structure of a steel structure of a tied arch bridge.
Fig. 2 is a schematic structural view of the buffer mechanism.
Fig. 3 is a schematic structural view of the clamping mechanism.
Fig. 4 is a schematic structural diagram of the traveling mechanism.
Notations for reference numerals: 1-a base, 2-a second chute, 3-a second slider, 4-a telescopic rod, 5-a hydraulic cylinder, 6-a first connecting block, 7-a first connecting rod, 8-a second connecting block, 9-an outer lifting rod, 10-a first chute, 11-a first slider, 12-an inner lifting rod, 13-a motor, 14-a conical gear, 15-a third rotating shaft, 16-an oblique tooth, 17-a first supporting plate, 18-a rotating plate, 19-a first spring, 20-a fixed plate, 21-a third connecting block, 22-an extrusion wheel, 23-a fifth connecting block, 24-a connecting plate, 25-a second connecting rod, 26-a fourth connecting block, 27-an inner rod, 28-a second spring, 29-an outer cylinder, 30-a third supporting plate, 31-a first rotating shaft, 32-a driving gear, 33-a second rotating shaft, 34-a driven gear, 35-a third connecting rod, 36-a fourth connecting rod, 37-a fifth connecting rod, 38-a clamping plate, 39-a high-pressure air pump, 40-an air pipe, 41-a groove, 42-an air suction pipe, 43-an air pump, 44-a supporting rod, 45-an electric telescopic rod, 46-a lifting plate, 47-a hinged rod, 48-a fifth rotating shaft, 49-a fourth rotating shaft, 50-a wheel and 51-a first supporting plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
When tie rod arch bridge is consolidated temporarily as required, the high demand of different tie rod arch bridges is different, then needs different temporary reinforcement mechanism to great reduction temporary reinforcement mechanism's practicality, so this embodiment is through setting up elevating system, thereby can adjust according to the not co-altitude demand of tie rod arch bridge.
Referring to fig. 1, a temporary reinforcing structure for a tied arch bridge steel structure comprises a base 1, wherein a lifting mechanism, a buffering mechanism and a clamping mechanism are sequentially arranged on the base 1 from bottom to top, the lifting mechanism comprises an outer lifting rod 9, an inner lifting rod 12, a first connecting rod 7 and a high-pressure air pump 39, the outer lifting rod 9 is fixedly arranged on the upper surface of the base 1, the inner lifting rod 12 is slidably connected to the outer lifting rod 9, a first sliding chute 10 is arranged on the outer lifting rod 9, a first sliding block 11 is fixedly arranged on the inner lifting rod 12, the first sliding block 11 is slidably connected with the first sliding chute 10, a second sliding chute 2 is arranged on the base 1, a second sliding block 3 is slidably connected to the second sliding chute 2, a hydraulic cylinder 5 is fixedly arranged on the second sliding chute 2, a telescopic rod 4 is fixedly connected to the hydraulic cylinder 5, and the top end of the telescopic rod 4 is fixedly connected with the second sliding block 3, fixedly connected with first connecting block 6 on the second slider 3, it is connected with head rod 7 to rotate on the first connecting block 6, fixedly connected with second connecting block 8 on the pole 12 in the lift, the upper end and the 8 rotations of second connecting block of head rod 7 are connected, fixed mounting has high compression pump 39 in the base 1, fixedly connected with gas-supply pipe 40 on the high compression pump 39, gas-supply pipe 40 stretches into the inside of the outer pole 9 of lift.
When carrying out the height mediation, start pneumatic cylinder 5, it slides in second spout 2 to drive second slider 3 through telescopic link 4, thereby it removes about driving first connecting block 6, through head rod 7, thereby pole 12 reciprocates in the outer pole 9 that goes up and down in the drive, first slider 11 reciprocates at first spout 10 simultaneously, start high compression pump 39 simultaneously, through gas-supply pipe 40, thereby to the inside pressurization of outer pole 9 that goes up and down, thereby play the supporting role to pole 12 in going up and down, through elevating system, thereby can adjust according to the not co-altitude demand of tie rod arch bridge.
Further, referring to fig. 1 and 3, a second support plate 51 is fixedly connected to an upper end of the outer cylinder 29, a clamping mechanism is disposed on a side surface of the second support plate 51, the clamping mechanism includes a third support plate 30, a driving gear 32, a driven gear 34 and a clamping plate 38, the third support plate 30 is rotatably connected to a first rotating shaft 31, the first rotating shaft 31 is fixedly connected to the driving gear 32, the third support plate 30 is rotatably connected to a second rotating shaft 33, the second rotating shaft 33 is fixedly connected to the driven gear 34, the driving gear 32 is engaged with the driven gear 34, the second rotating shaft 33 is fixedly connected to a third connecting rod 35, an upper end of the third connecting rod 35 is rotatably connected to a fourth connecting rod 36, an upper end of the fourth connecting rod 36 is rotatably connected to a fifth connecting rod 37, and the fifth connecting rod 37 is rotatably connected to the third support plate 30, the top end of the fourth connecting rod 36 is fixedly connected with a clamping plate 38.
In use, the driving gear 32 is driven by the external driving motor to rotate, and the driven gear 34 meshed with the driving gear drives the second rotating shaft 33 to rotate, so as to drive the third connecting rod 35, so as to drive the fourth connecting rod 36, and the fifth connecting rod 37 rotatably connected with the third supporting plate 30 drives the clamping plate 38 to clamp.
Example 2
The existing fixing mechanism is mostly rigidly supported and fixed, and the rigid support enables the fixing mechanism to be easy to damage, so that the fixing mechanism can be buffered by arranging the buffering mechanism.
Referring to fig. 1 and 2, the upper end of the inner lifting rod 12 is rotatably connected with a first support plate 17, a buffer mechanism is arranged on the first support plate 17, the buffer mechanism includes a first spring 19, a second spring 28, a rotating plate 18, an inner rod 27 and an outer cylinder 29, the inner rod 27 is fixedly mounted on the upper surface of the first support plate 17, the second spring 28 is sleeved on the inner rod 27, the outer cylinder 29 is slidably connected on the inner rod 27, a third connecting block 21 is fixedly mounted on the first support plate 17, the rotating plate 18 is rotatably connected on the third connecting block 21, a fixing plate 20 is fixedly mounted on the first support plate 17, the first spring 19 is fixedly connected between the rotating plate 18 and the fixing plate 20, a fourth connecting block 26 is fixedly mounted on the outer cylinder 29, a second connecting rod 25 is rotatably connected on the fourth connecting block 26, and a connecting plate 24 is fixedly connected to the bottom end of the second connecting rod 25, a fifth connecting block 23 is fixedly connected to the connecting plate 24, an extrusion wheel 22 is rotatably connected to the fifth connecting block 23, and the extrusion wheel 22 is in sliding contact with the rotating plate 18.
Through setting up buffer gear, when second backup pad 51 atress, thereby urceolus 29 atress moves down extrusion second spring 28 on interior pole 27, under the effect of second spring 28, play the cushioning effect to second backup pad 51, when urceolus 29 moves down, drive second connecting rod 25 simultaneously and move down, thereby make extrusion wheel 22 extrude rotor plate 18, rotor plate 18 is when rotating, extrude first spring 19, under the effect of first spring 19, thereby play buffer gear to second backup pad 51 once more, through setting up the cushioning effect, thereby play the cushioning effect to fixed establishment, avoid the rigidity to support and lead to fixed establishment to receive the damage.
Further, fixedly connected with motor 13 on the lift inner pole 12, the output end fixedly connected with third axis of rotation 15 of motor 13, fixed mounting has conical gear 14 on the third axis of rotation 15, the bottom fixed mounting of first backup pad 17 has skewed tooth 16, conical gear 14 is connected with skewed tooth 16 meshing.
The motor 13 is started, and the bevel gear 14 is driven to rotate through the third rotating shaft 15, and the first supporting plate 17 is driven to rotate through the helical teeth 16 connected with the bevel gear in a meshed mode, so that the fixing mechanism can rotate as required.
Example 3
The present embodiment is different from the other embodiments in that: referring to fig. 4, two ends of the base 1 are provided with a traveling mechanism, the traveling mechanism includes a support rod 44, an electric telescopic rod 45, a wheel lifting plate 46, a hinged rod 47 and wheels 50, the support rod 44 is fixedly mounted on the base 1, the electric telescopic rod 45 is fixedly connected to the support rod 44, the wheel lifting plate 46 is fixedly connected to the bottom end of the electric telescopic rod 45, the hinged plate 47 is rotatably connected to the wheel lifting plate 46, the bottom end of the hinged plate 47 is fixedly connected to a fourth rotating shaft 49, the wheels 50 are rotatably connected to the fourth rotating shaft 49, a fifth rotating shaft 48 is fixedly connected to a side surface of the base 1, and the hinged plate 47 is rotatably connected to the fifth rotating shaft 48.
When the fixing mechanism is moved to a proper position, the electric telescopic rod 45 presses the wheel lifting plate 46 downwards, so that the hinged plate 47 is driven to rotate on the fifth rotating shaft 48, the wheel 50 slowly moves upwards to be away from the bottom surface, and the bottom surface of the base 1 is stably contacted with the bottom surface.
Further, referring to fig. 1, a groove 41 is formed at the bottom end of the base 1, an air extractor 43 is fixedly connected to the upper surface of the base 1, an air extraction pipe 42 is fixedly connected to the air extractor 43, and the air extraction pipe 42 is connected to the groove 41.
After the bottom surface of the base 1 is in contact with the ground and then is leveled, the air extractor 43 is started, air in the groove 41 is extracted through the air extracting pipe 42, so that negative pressure is formed in the groove 41, and the base 1 is placed more stably.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a temporary reinforcement structure of tie rod arch bridge steel construction, includes base (1), its characterized in that: the lifting mechanism, the buffer mechanism and the clamping mechanism are sequentially arranged on the base (1) from bottom to top, the lifting mechanism comprises a lifting outer rod (9), a lifting inner rod (12), a first connecting rod (7) and a high-pressure air pump (39), the lifting outer rod (9) is fixedly arranged on the upper surface of the base (1), the lifting outer rod is connected with the lifting inner rod (12) in a sliding manner, a first sliding groove (10) is formed in the lifting outer rod (9), a first sliding block (11) is fixedly arranged on the lifting inner rod (12), the first sliding block (11) is connected with the first sliding groove (10) in a sliding manner, a second sliding groove (2) is formed in the base (1), a second sliding block (3) is connected on the second sliding groove (2) in a sliding manner, a hydraulic cylinder (5) is fixedly arranged on the second sliding groove (2), and a telescopic rod (4) is fixedly connected with the hydraulic cylinder (5), the top and the second slider (3) fixed connection of telescopic link (4), fixedly connected with first connecting block (6) on second slider (3), it is connected with head rod (7) to rotate on first connecting block (6), fixedly connected with second connecting block (8) on pole (12) in the lift, the upper end and the second connecting block (8) of head rod (7) rotate and are connected.
2. A temporary reinforcing structure of a tie rod arch bridge steel structure according to claim 1, wherein: the base (1) is internally and fixedly provided with a high-pressure air pump (39), the high-pressure air pump (39) is fixedly connected with an air pipe (40), and the air pipe (40) extends into the lifting outer rod (9).
3. A temporary reinforcing structure of a tie rod arch bridge steel structure according to claim 1, wherein: the upper end of the lifting inner rod (12) is rotatably connected with a first supporting plate (17), a buffer mechanism is arranged on the first supporting plate (17), the buffer mechanism comprises a first spring (19), a second spring (28), a rotating plate (18), an inner rod (27) and an outer cylinder (29), the upper surface of the first supporting plate (17) is fixedly provided with the inner rod (27), the inner rod (27) is sleeved with the second spring (28), the inner rod (27) is connected with the outer cylinder (29) in a sliding manner, the first supporting plate (17) is fixedly provided with a third connecting block (21), the third connecting block (21) is connected with the rotating plate (18) in a rotating manner, the first supporting plate (17) is fixedly provided with a fixing plate (20), the first spring (19) is fixedly connected between the rotating plate (18) and the fixing plate (20), and the outer cylinder (29) is fixedly provided with a fourth connecting block (26), fourth connecting block (26) is gone up to rotate and is connected with second connecting rod (25), the bottom fixedly connected with connecting plate (24) of second connecting rod (25), fixedly connected with fifth connecting block (23) on connecting plate (24), it is connected with extrusion wheel (22) to rotate on fifth connecting block (23), extrusion wheel (22) and rotor plate (18) sliding contact.
4. A temporary reinforcing structure of a tie rod arch bridge steel structure according to claim 3, wherein: the upper end of the outer barrel (29) is fixedly connected with a second supporting plate (51), a clamping mechanism is arranged on the side face of the second supporting plate (51), the clamping mechanism comprises a third supporting plate (30), a driving gear (32), a driven gear (34) and a clamping plate (38), the third supporting plate (30) is connected with a first rotating shaft (31) in a rotating mode, the first rotating shaft (31) is fixedly connected with the driving gear (32), the third supporting plate (30) is connected with a second rotating shaft (33) in a rotating mode, the second rotating shaft (33) is fixedly connected with the driven gear (34), the driving gear (32) is meshed with the driven gear (34), the second rotating shaft (33) is fixedly connected with a third connecting rod (35), the upper end of the third connecting rod (35) is connected with a fourth connecting rod (36) in a rotating mode, the upper end of the fourth connecting rod (36) is connected with a fifth connecting rod (37) in a, the fifth connecting rod (37) is rotatably connected with the third supporting plate (30), and the top end of the fourth connecting rod (36) is fixedly connected with a clamping plate (38).
5. A temporary reinforcing structure of a tie rod arch bridge steel structure according to claim 3, wherein: fixedly connected with motor (13) on pole (12) goes up and down, the output fixedly connected with third axis of rotation (15) of motor (13), fixed mounting has conical gear (14) on third axis of rotation (15), the bottom fixed mounting of first backup pad (17) has skewed tooth (16), conical gear (14) and skewed tooth (16) meshing are connected.
6. A temporary reinforcing structure of a tie rod arch bridge steel structure according to claim 1, wherein: the utility model discloses a wheel chair, including base (1), wheel lift board (46), articulated mast (47), wheel (50), wheel lift board (47), articulated mast (47), wheel (44), fixed mounting has bracing piece (44) on base (1), fixedly connected with electric telescopic mast (45) on bracing piece (44), the bottom fixedly connected with wheel lift board (46) of electric telescopic mast (45), it is connected with articulated slab (47) to rotate on wheel lift board (46), the bottom fixedly connected with fourth axis of rotation (49) of articulated slab (47), it is connected with wheel (50) to rotate on fourth axis of rotation (49), the side fixedly connected with fifth axis of rotation (48) of base (1), articulated slab (47) rotate with fifth axis of rotation (48) and are connected.
7. A temporary reinforcing structure of a tie rod arch bridge steel structure according to claim 1, wherein: the bottom of base (1) is seted up flutedly (41), the last fixed surface of base (1) is connected with air extractor (43), fixedly connected with exhaust tube (42) on air extractor (43), exhaust tube (42) link to each other with flutedly (41).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010851044.0A CN111945587A (en) | 2020-08-21 | 2020-08-21 | Temporary reinforcing structure of tie rod arch bridge steel structure |
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| CN202010851044.0A CN111945587A (en) | 2020-08-21 | 2020-08-21 | Temporary reinforcing structure of tie rod arch bridge steel structure |
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| CN112575695A (en) * | 2020-11-24 | 2021-03-30 | 安徽建筑大学 | Temporary reinforcing structure of bridge steel structure |
| CN113073577A (en) * | 2021-05-20 | 2021-07-06 | 江西致邦住宅工业集团有限公司 | Steel structure bridge reinforcing device |
| CN113356089A (en) * | 2021-06-21 | 2021-09-07 | 谢森涛 | Bridge reinforcing equipment for municipal engineering |
| CN113686556A (en) * | 2021-09-15 | 2021-11-23 | 大茂伟瑞柯车灯有限公司 | Universal light distribution jig for automobile lamp |
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| CN208762879U (en) * | 2018-05-31 | 2019-04-19 | 王晋 | A kind of bridge construction support device |
| CN209602976U (en) * | 2019-03-01 | 2019-11-08 | 张顺 | A kind of bridge construction support frame |
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| CN112575695A (en) * | 2020-11-24 | 2021-03-30 | 安徽建筑大学 | Temporary reinforcing structure of bridge steel structure |
| CN113073577A (en) * | 2021-05-20 | 2021-07-06 | 江西致邦住宅工业集团有限公司 | Steel structure bridge reinforcing device |
| CN113356089A (en) * | 2021-06-21 | 2021-09-07 | 谢森涛 | Bridge reinforcing equipment for municipal engineering |
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Application publication date: 20201117 |