CN113417214A - Steel-concrete composite beam connecting piece suitable for inclined plane bridge connection - Google Patents
Steel-concrete composite beam connecting piece suitable for inclined plane bridge connection Download PDFInfo
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- CN113417214A CN113417214A CN202110728095.9A CN202110728095A CN113417214A CN 113417214 A CN113417214 A CN 113417214A CN 202110728095 A CN202110728095 A CN 202110728095A CN 113417214 A CN113417214 A CN 113417214A
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- connecting piece
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- concrete
- rod
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/48—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations
- B28C5/485—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations with reciprocating or oscillating stirrers; Stirrers therefor
Abstract
The invention discloses a steel-concrete composite beam connecting piece suitable for inclined plane bridge connection, and relates to the technical field of composite beam part connecting pieces. Including the connecting piece, a cavity has been seted up in the connecting piece, be provided with the concrete mixing device who has the even degree of improvement concrete in the cavity, concrete mixing device includes water storage mechanism, drive mechanism, rabbling mechanism, stirring protection mechanism, through the water storage mechanism who sets up, when inserting the girder steel part in the connecting piece, according to the change of volatile liquid weight, come control rabbling mechanism and stirring protection mechanism to the stirring of concrete, the rabbling mechanism that the device set up can make the concrete pour into behind the girder steel part, through the ring, the mutually supporting of trapezoidal movable block and No. two discs, it is more even that the mixture such as gravel and silt in the concrete after the messenger pours into, thereby improve the concatenation effect of part, improve the life of girder steel part when using for a long time.
Description
Technical Field
The invention relates to the technical field of composite beam part connecting pieces, in particular to a steel-concrete composite beam connecting piece suitable for inclined plane bridge connection.
Background
The steel beam is a high-performance building material, the tensile strength and the compressive strength of the steel beam are high, the compressive strength of concrete is far larger than the tensile strength of the concrete, the manufacturing cost of the steel beam is lower than that of the steel beam, a concrete bridge deck is arranged on the top of the steel beam of the steel-concrete combined beam, and the concrete bridge deck and the steel beam are connected together through a shear part to bear force together.
The part on the ordinary girder steel usually through concrete placement back, makes the concrete solidify and reaches the effect of concatenation, but at the in-process that the concrete solidifies, the degree of consistency of concrete can not be strengthened to current connecting piece to can lead to the outer concrete of part local fragile problem can appear, at the in-process of long-term use, can lead to the peripheral concrete damage of part, cause the unstable of being connected of part and girder steel, can cause the safety problem that the part drops for a long time.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a steel-concrete composite beam connecting piece suitable for inclined plane bridge connection, and solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a steel-concrete composite beam connecting piece that is fit for inclined plane bridge connection, includes the connecting piece, seted up a cavity in the connecting piece, be provided with the concrete mixing device who has the even degree of improvement concrete in a cavity, concrete mixing device includes water storage mechanism, drive mechanism, rabbling mechanism, stirring protection mechanism, and through the water storage mechanism who sets up, when inserting the girder steel part in the connecting piece, according to the change of volatile liquid weight, controls the stirring of rabbling mechanism and stirring protection mechanism to the concrete.
Preferably, the water storage mechanism comprises a sliding plate, a first spring and a movable plate, the sliding plate and the movable plate are both slidably mounted in the first cavity, the sliding plate is fixed with the movable plate through the first spring, when volatile liquid is poured into the first cavity according to the weight of the volatile liquid, the sliding plate, the first spring and the movable plate can move downwards, and when the weight of the volatile liquid is reduced through the sun, the sliding plate and the movable plate can move upwards.
Preferably, the transmission mechanism comprises a cylinder, a sliding rod, a first sleeve, a baffle, a second sleeve, a convex block, a vertical rod, a first support, a cross rod and a second support, an arc-shaped chute is formed in the surface of the cylinder, one side of the cylinder is fixed with the movable plate, the other side of the cylinder is fixed with the ratchet wheel, the cylinder penetrates through the first sleeve and is slidably mounted in the first sleeve, the first sleeve is rotatably mounted in the first cavity, the sliding rod is slidably mounted in the arc-shaped chute formed in the surface of the cylinder and is fixed in the first cavity, the ratchet wheel is arranged on the periphery of the pawl fixed on the cylinder and is fixed on one side of the second sleeve, the convex block is fixed on the other side of the second sleeve, the second sleeve is rotatably mounted in the first cavity, the vertical rod is slidably mounted in the first cavity, and the surface of the vertical rod is hinged to one end of the first support, the other end of the first support is hinged to the surface of the cross rod, the cross rod penetrates through the connecting piece and is slidably mounted in the connecting piece, the cross rod is hinged to the second support, the pawl fixed to the cylinder and the ratchet wheel fixed to the second sleeve can not drive the second sleeve to rotate when the sliding plate and the movable plate move downwards, and the pawl and the ratchet wheel drive the second sleeve to rotate when the sliding plate and the movable plate move upwards, so that the effect that a motor is not needed to automatically drive is achieved.
Preferably, the stirring mechanism comprises a vertical block, a circular ring, a trapezoidal movable block, a second spring, a fixed rod, a movable shaft, a first circular disc, a second circular disc, a fixed vertical rod, a third bracket, a support rod and a push block, the vertical block is slidably mounted in the connecting piece and fixed with the circular ring, the vertical block is hinged with the second bracket, a second cavity is formed in the circular ring, the trapezoidal movable block is slidably mounted in the circular ring and fixed with the second spring, the second spring is fixed in the circular ring, the trapezoidal movable block is fixed with one side of the fixed rod, the other side of the fixed rod is fixed with the movable shaft, the movable shaft is hinged with the first circular disc, the first circular disc is mutually fixed with the second circular disc through a connecting shaft, the second circular disc is rotatably mounted on the circular ring, the fixed vertical rod is fixed on the circular ring, the support rod penetrates through the second circular disc and is slidably mounted in the second circular disc, branch is articulated with No. three supports, No. three supports are articulated with the ejector pad, ejector pad slidable mounting is in No. two discs, and trapezoidal movable block runs through No. two cavities of seting up in the ring to the trapezoidal part of trapezoidal movable block exposes outside No. two cavities, makes the ring when reciprocating, and when trapezoidal movable block and concrete contact can remove to the ascending central line of ring vertical direction, when the transmission gives No. two discs, also can stir the concrete, thereby has improved the degree of consistency of concrete.
Preferably, stirring protection mechanism includes No. four supports, two-way telescopic link, No. five supports, prevents leaking the piece, No. four supports are articulated with trapezoidal movable block, No. four supports are articulated with two-way telescopic link, two-way telescopic link articulates in the ring, two-way telescopic link is articulated with No. five supports, No. five supports are articulated with preventing leaking the piece, prevent leaking a slidable mounting in the ring, stirring protection mechanism removes or when removing to No. two cavity directions at trapezoidal movable block in to the ring, through preventing leaking the piece, can guarantee that the concrete can not pass through the intra-ring slit, gets into in the ring, prevents that the concrete from solidifying in the ring, has improved the holistic practicality of the device.
Preferably, articulated on the connecting piece have the dodge gate, and the quantity of dodge gate is provided with two, two the dodge gate uses the ascending central line of the vertical side of connecting piece to set up as symmetry axis symmetry, through two dodge gates that set up on the connecting piece, can make whole water storage mechanism also can use in rainy day, has improved the practicality of whole device.
Preferably, the number of the concrete mixing devices is two, the two concrete mixing devices are symmetrically arranged by taking the central line in the vertical direction of the connecting piece as a symmetry axis, and the water storage mechanism can be used as a main power source to provide power for the transmission mechanism, the mixing mechanism and the mixing protection mechanism, so that the energy consumption is saved.
Preferably, one end of the vertical rod, which is close to the bump, is in a trapezoidal shape, and when the bump rotates, the vertical rod is driven to move upwards or downwards.
Preferably, one end of the supporting rod, which is close to the fixed vertical rod, is in a trapezoid shape, and when the second disc rotates, the supporting rod is driven to move leftwards or rightwards.
(III) advantageous effects
The invention provides a steel-concrete composite beam connecting piece suitable for inclined plane bridge connection. The method has the following beneficial effects:
(1) the water storage mechanism that the device set up can need not the manual work, provides the power supply to rabbling mechanism and stirring protection mechanism automatically, makes whole device simple and convenient more, the energy can be saved when improving the practicality of whole device.
(2) After the stirring mechanism that the device set up can make the concrete pour into the girder steel part, through mutually supporting of ring, trapezoidal movable block and No. two discs, the messenger pours into more even of the mixture such as pea gravel and silt in the concrete after the back to improve the concatenation effect of part, improve the life of girder steel part when using for a long time.
(3) The stirring protection mechanism that the device set up can make rabbling mechanism when stirring the concrete, and the concrete can not get into the ring through the slit of No. two cavities, leads to the unable normal work of whole device, has improved the practicality of whole device.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of a stirring mechanism of the present invention;
FIG. 4 is a schematic view of a portion of the transmission of the present invention;
FIG. 5 is a schematic view of part A of the present invention;
FIG. 6 is a schematic view of part B of the present invention;
FIG. 7 is a schematic view of part C of the present invention.
In the figure: 1. a connecting member; 2. a first cavity; 3. a concrete mixing device; 31. a slide plate; 32. a first spring; 33. a movable plate; 34. a cylinder; 35. a slide bar; 36. a first sleeve; 38. a second sleeve; 39. a bump; 310. a vertical rod; 311. a first bracket; 312. a cross bar; 313. a second bracket; 314. a vertical block; 315. a circular ring; 316. a trapezoidal movable block; 317. a second spring; 318. fixing the rod; 319. a movable shaft; 320. a first disc; 321. a second disc; 322. fixing the vertical rod; 323. a third bracket; 324. a strut; 325. a push block; 326. a bracket No. four; 327. a bidirectional telescopic rod; 328. a fifth bracket; 329. a leakage prevention block; 4. a movable door.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a steel-concrete composite beam connecting piece suitable for inclined plane bridge connection comprises a connecting piece 1, a cavity 2 is formed in the connecting piece 1, a concrete stirring device 3 capable of improving the uniformity of concrete is arranged in the cavity 2, the concrete stirring device 3 comprises a water storage mechanism, a transmission mechanism, a stirring mechanism and a stirring protection mechanism, the water storage mechanism comprises a sliding plate 31, a spring 32 and a movable plate 33, the sliding plate 31 and the movable plate 33 are both installed in the cavity 2 in a sliding mode, the sliding plate 31 is fixed with the movable plate 33 through the arranged water storage mechanism through the spring 32, when a steel beam component is inserted into the connecting piece 1, the sliding plate 31 and the movable plate 33 are driven to move up and down according to the change of the weight of volatile liquid, so that the stirring mechanism and the stirring protection mechanism are controlled to stir concrete, and the transmission mechanism comprises a cylinder 34, a sliding rod 35 and a sleeve 36, The device comprises a baffle 37, a second sleeve 38, a convex block 39, a vertical rod 310, a first support 311, a cross rod 312 and a second support 313, wherein an arc-shaped sliding groove is formed in the surface of a cylinder 34, one side of the cylinder 34 is fixed with a movable plate 33, the other side of the cylinder 34 is fixed with a ratchet wheel, the cylinder 34 penetrates through a first sleeve 36 and is slidably installed in the first sleeve 36, the first sleeve 36 is rotatably installed in a first cavity 2, a sliding rod 35 is slidably installed in the arc-shaped sliding groove formed in the surface of the cylinder 34, the sliding rod 35 is fixed in a first cavity 2, the ratchet wheel is arranged on the periphery of a pawl fixed on the cylinder 34 and is fixed on one side of the second sleeve 38, the convex block 39 is fixed on the other side of the second sleeve 38, the second sleeve 38 is rotatably installed in the first cavity 2, the vertical rod 310 is slidably installed in the first cavity 2, the surface of the vertical rod 310 is hinged with one end of the first support 311, the other end of the first support 311 is hinged with the surface of the cross rod 312, the cross bar 312 penetrates through the connecting piece 1 and is slidably mounted in the connecting piece 1, the cross bar 312 is hinged with the second support 313, the pawl fixed on the cylinder 34 and the ratchet wheel fixed on the second sleeve 38 can drive the second sleeve 38 not to rotate when the sliding plate 31 and the movable plate 33 move downwards, the cylinder 34 and the sliding rod 35 can drive the first sleeve 36 to rotate clockwise when the sliding plate 31 and the movable plate 33 move upwards, and the pawl and the ratchet wheel drive the second sleeve 38 to rotate clockwise, so that the effect of automatically transmitting without a motor is achieved, the stirring mechanism comprises a vertical block 314, a circular ring 315, a trapezoidal movable block 316, a second spring 317, a fixed rod 318, a movable shaft 319, a first circular disc 320, a second circular disc 321, a fixed vertical rod 322, a third support 323, a support 324 and a push block 325, the vertical block 314 is slidably mounted in the connecting piece 1, and the vertical block 314 is fixed with the circular ring 315, the vertical block 314 is hinged with a second bracket 313, a second cavity is arranged in the circular ring 315, a trapezoidal movable block 316 is arranged in the circular ring 315 in a sliding manner, the trapezoidal movable block 316 is fixed with a second spring 317, the second spring 317 is fixed in the circular ring 315, the trapezoidal movable block 316 is fixed with one side of a fixed rod 318, the other side of the fixed rod 318 is fixed with a movable shaft 319, the movable shaft 319 is hinged with a first disc 320, the first disc 320 is fixed with a second disc 321 through a connecting shaft, the second disc 321 is rotatably arranged on the circular ring 315, a fixed vertical rod 322 is fixed on the circular ring 315, a support rod 324 penetrates through the second disc 321, the support rod 324 is slidably arranged in the second disc 321, the support rod 324 is hinged with a third bracket 323, the third bracket 323 is hinged with a push block 325, the push block 325 is slidably arranged in the second disc 321, the trapezoidal movable block 316 penetrates through the second cavity arranged in the circular ring 315, and the trapezoidal part of the trapezoidal movable block 316 is exposed outside the second cavity, when the ring 315 moves up and down, when the trapezoid movable block 316 contacts with concrete, the trapezoid movable block can move towards the center line of the ring 315 in the vertical direction, when the trapezoid movable block 316 moves towards the center line of the ring 315, the trapezoid movable block can drive the first disc 320 to rotate anticlockwise through the movable shaft 319, then the second disc 321 is driven to rotate through the connecting shaft, when the second disc 321 rotates, the support rod 324 and the fixed vertical rod 322 are matched with each other, the push block 325 can be driven to move up and down, when the push block 325 moves, the concrete can be shaken, meanwhile, the second disc 321 rotates, the concrete can be fully stirred, through the mutual matching of the fixed vertical rod 322 and the support rod 324, the push block 325 can be driven to move up and down, meanwhile, the trapezoid movable block 316 can extrude the concrete, so that the uniformity of the concrete is improved, the stirring protection mechanism comprises a fourth bracket 326, a third bracket 326, a fourth bracket 326, a third bracket and a fourth bracket 326, a fourth bracket for supporting a fourth supporting a second supporting rod for supporting the second supporting rod to support the second supporting rod to support the second supporting rod to support the second supporting rod to support the second supporting rod to support the second support to support the second support to support the second support to support the second support to support the second support to support the second support to support, and to support the second support to support, and to support the second support to support the second support, and to support the second support, and to support the second support to support the second support, and to support the second support, Two-way telescopic rod 327, No. five support 328, prevent leaking piece 329, No. four support 326 is articulated with trapezoidal movable block 316, No. four support 326 is articulated with two-way telescopic rod 327, two-way telescopic rod 327 articulates in ring 315, two-way telescopic rod 327 articulates with No. five support 328, No. five support 328 is articulated with prevent leaking piece 329, prevent leaking piece 329 slidable mounting in ring 315, it has dodge door 4 to articulate on connecting piece 1, and the quantity of dodge door 4 is provided with two, two dodge doors 4 use the central line in the vertical direction of connecting piece 1 as the symmetry axis symmetry setting, the quantity of concrete mixing plant 3 is provided with two, and two concrete mixing plant 3 use the central line in the vertical direction of connecting piece 1 as the symmetry axis symmetry setting, the one end shape that montant 310 is close to lug 39 is "trapezoidal", the one end shape that branch 324 is close to fixed montant 322 is "trapezoidal".
The working principle is as follows: after the steel beam part is inserted into the connecting piece 1, a worker pours concrete into the steel beam part, and pours volatile liquid into the steel beam part from the top of the first cavity 2, the volatile liquid is consumed by direct sunlight, after the volatile liquid is gradually volatilized by the sun, the first spring 32 drives the sliding plate 31 and the movable plate 33 to move upwards, when the sliding plate 31 and the movable plate 33 move upwards, the sliding rod 35 drives the cylinder 34 to rotate anticlockwise, after the cylinder 34 rotates anticlockwise, the pawl arranged on the cylinder 34 and the ratchet arranged on the second sleeve 38 drive the second sleeve 38 to rotate anticlockwise, when the second sleeve 38 rotates, the second sleeve 38 continuously extrudes the vertical rod 310, so that the vertical rod 310 forms an up-and-down reciprocating motion state, the vertical rod 310 drives the circular ring 315 to move up and down in the connecting piece 1 through the first support 311, the transverse rod 312 and the second support 313, and when the circular ring 315 moves up and down in the connecting piece 1, the trapezoidal movable block 316 sliding inside is extruded by the concrete, and then drives the fixed rod 318 to move toward the center of the circular ring 315, meanwhile, the first disc 320 is driven by the movable shaft 319 to rotate clockwise, the second disc 321 is driven by the first disc 320 through the connecting shaft to rotate, during the rotation of the second disc 321, the supporting rod 324 which is installed in a sliding manner inside is periodically extruded by the fixing vertical rod 322, so that the supporting rod 324 drives the pushing block 325 to move upwards through the third bracket 323, and in the rotating process of the second disc 321, one pushing block 325 inside is periodically lifted, thereby increase the inside degree of consistency of concrete, improve the degree of compaction of part and connecting piece 1, whole device can need not the manual work simultaneously and can realize automatic stirring to the concrete in the connecting piece 1, makes the more even solidification of concrete on the part, improves the life of girder steel part.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a steel-concrete composite beam connecting piece that suitable inclined plane bridge connects, includes connecting piece (1), its characterized in that: seted up cavity (2) in connecting piece (1), be provided with concrete mixing device (3) that have the even degree of improvement concrete in cavity (2), concrete mixing device (3) are including water storage mechanism, drive mechanism, rabbling mechanism, stirring protection mechanism.
2. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 1, wherein: the water storage mechanism comprises a sliding plate (31), a first spring (32) and a movable plate (33), the sliding plate (31) and the movable plate (33) are both slidably mounted in the first cavity (2), and the sliding plate (31) is fixed with the movable plate (33) through the first spring (32).
3. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 1, wherein: the transmission mechanism comprises a cylinder (34), a sliding rod (35), a first sleeve (36), a second sleeve (38), a convex block (39), a vertical rod (310), a first support (311), a cross rod (312) and a second support (313), wherein an arc-shaped sliding groove is formed in the surface of the cylinder (34), one side of the cylinder (34) is fixed with a movable plate (33), the other side of the cylinder (34) is fixed with a ratchet wheel, the cylinder (34) penetrates through the first sleeve (36) and is slidably mounted in the first sleeve (36), the first sleeve (36) is rotatably mounted in a first cavity (2), the sliding rod (35) is slidably mounted in the arc-shaped sliding groove formed in the surface of the cylinder (34), the sliding rod (35) is fixed in the first cavity (2), a ratchet wheel is arranged on the periphery of a fixed pawl on the cylinder (34), and the ratchet wheel is fixed on one side of the second sleeve (38), the opposite side of No. two sleeve (38) is fixed with lug (39), No. two sleeve (38) are rotated and are installed in cavity (2) No. one, montant (310) slidable mounting is in cavity (2) No. one, the surface of montant (310) is articulated with the one end of a support (311), the other end of a support (311) is articulated with the surface of horizontal pole (312), horizontal pole (312) run through connecting piece (1) and slidable mounting are in connecting piece (1), horizontal pole (312) are articulated with No. two supports (313).
4. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 1, wherein: the stirring mechanism comprises a vertical block (314), a circular ring (315), a trapezoid movable block (316), a second spring (317), a fixed rod (318), a movable shaft (319), a first disc (320), a second disc (321), a fixed vertical rod (322), a third support (323), a support rod (324) and a push block (325), wherein the vertical block (314) is slidably mounted in the connecting piece (1), the vertical block (314) is fixed with the circular ring (315), the vertical block (314) is hinged with the second support (313), a second cavity is formed in the circular ring (315), the trapezoid movable block (316) is slidably mounted in the circular ring (315), the trapezoid movable block (316) is fixed with the second spring (317), the second spring (317) is fixed in the circular ring (315), the trapezoid movable block (316) is fixed with one side of the fixed rod (318), the other side of the fixed rod (318) is fixed with the movable shaft (319), activity axle (319) are articulated with disc (320) No. one, disc (320) are through connecting axle and No. two disc (321) reciprocal anchorages, No. two disc (321) rotate and install on ring (315), be fixed with fixed montant (322) on ring (315), it has branch (324) and branch (324) slidable mounting in No. two disc (321) to run through in No. two disc (321), branch (324) are articulated with No. three support (323), No. three support (323) are articulated with ejector pad (325), ejector pad (325) slidable mounting is in No. two disc (321).
5. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 1, wherein: stirring protection mechanism includes No. four support (326), two-way telescopic link (327), No. five support (328), prevents leaking piece (329), No. four support (326) are articulated with trapezoidal movable block (316), No. four support (326) are articulated with two-way telescopic link (327), two-way telescopic link (327) articulate in ring (315), two-way telescopic link (327) are articulated with No. five support (328), No. five support (328) are articulated with preventing leaking piece (329), prevent leaking piece (329) slidable mounting in ring (315).
6. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 1, wherein: articulated on connecting piece (1) have dodge gate (4), and the quantity of dodge gate (4) is provided with two, two dodge gate (4) use the central line on the vertical direction of connecting piece (1) to set up as symmetry axis symmetry.
7. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 1, wherein: the number of the concrete mixing devices (3) is two, and the two concrete mixing devices (3) are symmetrically arranged by taking the central line in the vertical direction of the connecting piece (1) as a symmetry axis.
8. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 2, wherein: one end of the vertical rod (310) close to the convex block (39) is in a trapezoid shape.
9. The steel-concrete composite beam connecting piece suitable for inclined plane bridge connection according to claim 4, wherein: one end of the supporting rod (324) close to the fixed vertical rod (322) is in a trapezoid shape.
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| CN202110728095.9A CN113417214A (en) | 2021-06-29 | 2021-06-29 | Steel-concrete composite beam connecting piece suitable for inclined plane bridge connection |
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| CN202110728095.9A CN113417214A (en) | 2021-06-29 | 2021-06-29 | Steel-concrete composite beam connecting piece suitable for inclined plane bridge connection |
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| CN106948488A (en) * | 2017-05-05 | 2017-07-14 | 长沙理工大学 | Preparation method, combination beam and the monitoring device of compound transfer structure for SRC beams |
| CN208668274U (en) * | 2018-08-01 | 2019-03-29 | 内蒙古大学 | A kind of steel reinforced concrete composite beam bridge |
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Application publication date: 20210921 |