CN214089484U - Novel special prestressing force bellows of suspension bridge - Google Patents

Abstract

The utility model discloses a novel special prestressed corrugated pipe for a suspension bridge, which belongs to the technical field of corrugated pipes for bridges, and comprises a corrugated pipe body, wherein one end of the corrugated pipe body is fixed with an outer clamping ring, the other end of the corrugated pipe body is fixed with an outer limiting ring, the end part of the outer limiting ring is fixed with an inner clamping ring, the inner diameter of the outer clamping ring is matched with the outer diameter of the inner clamping ring, the inner diameters of the outer limiting ring and the inner clamping ring are the same, the innermost end of the inner ring wall of the outer clamping ring is fixed with the inner limiting ring, the inner ring wall of the outer clamping ring is provided with a plurality of first grooves which are distributed in an annular shape, the inside of each first groove is provided with a wedge-shaped clamping block, a compression spring is connected between the wedge-shaped clamping block and the inner bottom part of the first groove, the two corrugated pipes can be quickly spliced and assembled according to the use requirements, the assembled connecting structure is stable and firm, not easy to loose, simple integral mechanism, low processing cost, small operation difficulty and high construction efficiency.

Description

Novel special prestressing force bellows of suspension bridge

Technical Field

The utility model relates to a bridge bellows technical field, more specifically say, relate to a novel special prestressing force bellows of suspension bridge.

Background

Suspension bridge, also known as suspension bridge, refers to a bridge with cables (or steel chains) suspended by cable towers and anchored to both banks (or ends of the bridge) as the main load-bearing members of the superstructure. The cable geometry is determined by the equilibrium condition of the forces, typically approaching a parabola. A plurality of suspension rods are suspended from the cable to suspend the deck, and stiffening beams are often disposed between the deck and the suspension rods to form a combined system with the cable to reduce deflection deformation caused by loading.

Need often to use the bellows to replace current pipeline to use on the modernized suspension bridge, the bellows mainly includes metal bellows, ripple expansion joint, ripple heat exchange tube, diaphragm bellows and metal collapsible tube etc.. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipe made of other materials such as plastics has irreplaceable effects in the fields of medium conveying, electric power threading, machine tools, household appliances and the like.

The length that the production of the present bellows generally leaves the factory for the convenience of transportation is not very long, splices a plurality of bellows again when using and uses, and for the convenience of splicing between the bellows generally all can set up the flange respectively at the relative both ends of bellows among the prior art, set up a plurality of connecting holes on the flange again, run through in the connecting hole through the bolt and connect adjacent bellows, adopt such connected mode to make the bellows comparatively troublesome when the concatenation, the operation degree of difficulty is big, the efficiency of construction is low.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a novel special prestressing force bellows of suspension bridge can realize carrying out quick concatenation equipment with two bellows according to the user demand, and the connection structure after the equipment is stable and firm, is difficult not hard up to whole mechanism is simple, the processing cost is low, and the operation degree of difficulty is little, the efficiency of construction is high.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A novel special prestressed corrugated pipe for a suspension bridge comprises a corrugated pipe body, wherein an outer clamping ring is fixed at one end of the corrugated pipe body, an outer limiting ring is fixed at the other end of the corrugated pipe body, an inner clamping ring is fixed at the end part of the outer limiting ring, the inner diameter of the outer clamping ring is matched with the outer diameter of the inner clamping ring, the inner diameters of the outer limiting ring and the inner clamping ring are the same, an inner limiting ring is fixed at the innermost end of the inner ring wall of the outer clamping ring, a plurality of first grooves distributed in an annular shape are formed in the inner ring wall of the outer clamping ring, a wedge-shaped clamping block is arranged inside each first groove, a compression spring is connected between each wedge-shaped clamping block and the inner bottom of each first groove, a plurality of second grooves distributed in an annular shape are formed in the outer ring wall of the inner clamping ring, the second grooves are matched with the lower half sections of the wedge-shaped clamping blocks, and a stretching rod is connected at the center of one end, close to the inner bottom of each first groove, of each wedge-shaped clamping block, the outer clamping ring is characterized in that a plurality of stretching rod positioning through grooves corresponding to the first grooves are formed in the wall of the outer ring of the outer clamping ring, the stretching rod positioning through grooves are communicated with the first grooves, the stretching rod penetrates through the stretching rod positioning through grooves, a hanging ring is fixed at the outer end of the stretching rod, a plurality of fixing rods corresponding to the stretching rod are fixed on the outer wall of the outer clamping ring, a hanging rod horizontally arranged is fixed on the side wall, close to the stretching rod, of the fixing rod, and the hanging rod is matched with the hanging ring. This scheme can realize carrying out the equipment of splicing fast with two bellows according to the user demand, and the connection structure after the equipment is stable and firm, difficult not hard up to overall mechanism is simple, the processing cost is low, and the operation degree of difficulty is little, the efficiency of construction is high.

Furthermore, a sealing rubber layer is bonded on the inner ring wall of the outer clamping ring and used for sealing the space between the outer clamping ring and the inner clamping ring, and the sealing performance of the joint of the corrugated pipe is guaranteed.

Furthermore, the bottom end of the wedge-shaped fixture block adopts circular arc transition, so that on one hand, the friction between the wedge-shaped fixture block and the outer wall of the inner clamping ring can be effectively reduced, the scratch to the outer wall of the inner clamping ring caused by sliding can be effectively reduced, and the service life is prolonged.

Furthermore, the inside bonding of second recess has the sealing rubber layer, can effectively seal the junction when wedge fixture block joint is in the second recess, further promotes sealed effect.

Further, still set up a plurality of auxiliary positioning who sets up along its length direction and lead to the groove on the inner circle wall of outer joint ring, be fixed with a plurality of auxiliary positioning fixture blocks that set up along its length direction on the outer circle wall of inner joint ring, auxiliary positioning leads to the groove and auxiliary positioning fixture block and all is the annular and arranges, and the groove is led to in the auxiliary positioning and crisscross setting of first recess, auxiliary positioning fixture block and the crisscross setting of second recess. Utilize the logical groove of assistance-localization real-time and assistance-localization real-time fixture block can assist spacingly, make things convenient for the matching of interior joint ring and outer joint ring, be convenient for the high-speed joint between two bellows bodies.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize carrying out the equipment of splicing fast with two bellows according to the user demand, and the connection structure after the equipment is stable and firm, difficult not hard up to overall mechanism is simple, the processing cost is low, and the operation degree of difficulty is little, the efficiency of construction is high.

(2) And a sealing rubber layer is bonded on the inner ring wall of the outer clamping ring and used for sealing between the outer clamping ring and the inner clamping ring, so that the sealing property of the joint of the corrugated pipe is ensured.

(3) The bottom end of the wedge-shaped fixture block adopts arc transition, so that on one hand, the friction between the wedge-shaped fixture block and the outer wall of the inner clamping ring can be effectively reduced, the scratch to the outer wall of the inner clamping ring caused by sliding can be effectively reduced, and the service life is prolonged.

(4) The inside bonding of second recess has sealing rubber layer, and the junction is effectively sealed when can be to wedge fixture block joint in the second recess, further promotes sealed effect.

(5) Utilize the logical groove of assistance-localization real-time and assistance-localization real-time fixture block can assist spacingly, make things convenient for the matching of interior joint ring and outer joint ring, be convenient for the high-speed joint between two bellows bodies.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention when the corrugated pipes are connected;

FIG. 3 is a cross-sectional view of the connection of the bellows according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a side view of a junction when bellows are connected in the present utility model;

FIG. 6 is a schematic view of the present invention after connection and disassembly;

fig. 7 is an enlarged schematic view of the structure at B in fig. 6.

The reference numbers in the figures illustrate:

the corrugated pipe comprises a corrugated pipe body 1, an outer clamping ring 2, an outer limiting ring 3, an inner clamping ring 4, an inner limiting ring 5, a first groove 6, a wedge-shaped fixture block 7, a compression spring 8, a second groove 9, a stretching rod 10, a stretching rod positioning through groove 11, a hanging ring 12, a fixing rod 13, a hanging rod 14, an auxiliary positioning through groove 15 and an auxiliary positioning fixture block 16.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-7, a novel prestressed corrugated pipe dedicated for a suspension bridge comprises a corrugated pipe body 1, an outer clamping ring 2 is fixed at one end of the corrugated pipe body 1, an outer limiting ring 3 is fixed at the other end of the corrugated pipe body 1, an inner clamping ring 4 is fixed at the end of the outer limiting ring 3, the inner diameter of the outer clamping ring 2 is matched with the outer diameter of the inner clamping ring 4, the inner diameters of the outer limiting ring 3 and the inner clamping ring 4 are the same, an inner limiting ring 5 is fixed at the innermost end of the inner ring wall of the outer clamping ring 2, a plurality of first grooves 6 distributed annularly are formed on the inner ring wall of the outer clamping ring 2, a wedge-shaped clamping block 7 is arranged inside the first grooves 6, a compression spring 8 is connected between the wedge-shaped clamping block 7 and the inner bottom of the first grooves 6, a plurality of second grooves 9 distributed annularly are formed on the outer ring wall of the inner clamping ring 4, the second grooves 9 are matched with the lower half section of the wedge-shaped clamping block 7, the wedge-shaped fixture block 7 is close to the one end center department of bottom in the first recess 6 and is connected with tensile pole 10, set up a plurality of tensile pole location through groove 11 that correspond the setting with first recess 6 on the outer lane wall of outer joint ring 2, and tensile pole location through groove 11 is linked together with first recess 6, tensile pole 10 runs through tensile pole location through groove 11 and sets up, the outer end of tensile pole 10 is fixed with and articulates circle 12, be fixed with a plurality of dead levers 13 that correspond the setting with tensile pole 10 on the outer wall of outer joint ring 2, dead lever 13 is fixed with the pole 14 that articulates of level setting on being close to one side lateral wall of tensile pole 10, and articulate pole 14 and articulate 12 phase-matchs of circle. Referring to fig. 1-3, when two corrugated pipe bodies 1 need to be spliced quickly, only the inner clamping ring 4 on one corrugated pipe body 1 needs to be inserted into the outer clamping ring 2 of the other corrugated pipe body 1, the inner clamping ring 4 can be conveniently inserted into the outer clamping ring 2 during splicing due to the arrangement of the wedge-shaped clamping block 7 elastically connected with the bottom in the first groove 6, and after the inner clamping ring 4 is inserted into the first groove 6, the wedge-shaped clamping block 7 is completely clamped into the second groove 9, so that stable limiting can be performed between the inner clamping ring 4 and the outer clamping ring 2, and due to the arrangement of the inner limiting ring 5, the depth of the inner clamping ring 4 inserted into the outer clamping ring 2 can be limited, and the wedge-shaped clamping block 7 is exactly clamped into the second groove 9 when the inner clamping ring 4 is inserted into the deepest position in the outer clamping ring 2; referring to fig. 6-7, when the two corrugated pipe bodies 1 need to be separated, the hanging ring 12 is pulled to pull the stretching rod 10 and the wedge-shaped fixture block 7 outwards until the wedge-shaped fixture block 7 is completely separated from the second groove 9, and the hanging ring 12 is hung on the hanging rod 14, so that the wedge-shaped fixture block 7 can be fixed, and at this time, the inner clamping ring 4 can be conveniently pulled out, so that the two corrugated pipe bodies 1 can be detached and separated; this scheme can realize carrying out the equipment of splicing fast with two bellows according to the user demand, and the connection structure after the equipment is stable and firm, difficult not hard up to overall mechanism is simple, the processing cost is low, and the operation degree of difficulty is little, the efficiency of construction is high.

Referring to fig. 2 and 5-6, a sealing rubber layer is adhered to the inner ring wall of the outer snap ring 2 for sealing between the outer snap ring 2 and the inner snap ring 4 to ensure the sealing performance of the joint of the corrugated pipe.

Referring to fig. 3-7, the bottom end of the wedge-shaped fixture block 7 adopts arc transition, so that on one hand, friction between the wedge-shaped fixture block 7 and the outer wall of the inner clamping ring 4 can be effectively reduced, and scratches on the outer wall of the inner clamping ring 4 caused by sliding can also be effectively reduced, and the service life can be prolonged.

Referring to fig. 3-7, a sealing rubber layer is bonded inside the second groove 9, so that the joint of the wedge-shaped fixture block 7 clamped in the second groove 9 can be effectively sealed, and the sealing effect is further improved.

Referring to fig. 5, the inner ring wall of the outer snap ring 2 is further provided with a plurality of auxiliary positioning through grooves 15 arranged along the length direction thereof, the outer ring wall of the inner snap ring 4 is fixed with a plurality of auxiliary positioning fixture blocks 16 arranged along the length direction thereof, the auxiliary positioning through grooves 15 and the auxiliary positioning fixture blocks 16 are both annularly arranged, the auxiliary positioning through grooves 15 and the first grooves 6 are arranged in a staggered manner, and the auxiliary positioning fixture blocks 16 and the second grooves 9 are arranged in a staggered manner. Utilize supplementary location to lead to groove 15 and supplementary location fixture block 16 can assist spacing, make things convenient for the matching of interior joint ring 4 and outer joint ring 2, be convenient for the high-speed joint between two bellows bodies 1.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims (5)

1. The utility model provides a novel special prestressing force bellows of suspension bridge, includes bellows body (1), its characterized in that: an outer clamping ring (2) is fixed at one end of the corrugated pipe body (1), an outer limiting ring (3) is fixed at the other end of the corrugated pipe body (1), an inner clamping ring (4) is fixed at the end part of the outer limiting ring (3), the inner diameter of the outer clamping ring (2) is matched with the outer diameter of the inner clamping ring (4), the inner diameters of the outer limiting ring (3) and the inner clamping ring (4) are the same, an inner limiting ring (5) is fixed at the innermost end of the inner ring wall of the outer clamping ring (2), a plurality of first grooves (6) which are distributed annularly are formed in the inner ring wall of the outer clamping ring (2), a wedge-shaped clamping block (7) is arranged inside the first grooves (6), a compression spring (8) is connected between the wedge-shaped clamping block (7) and the inner bottom part of the first grooves (6), a plurality of second grooves (9) which are distributed annularly are formed in the outer ring wall of the inner clamping ring (4), the second groove (9) is matched with the lower half section of the wedge-shaped fixture block (7), the center of one end of the wedge-shaped fixture block (7) close to the inner bottom of the first groove (6) is connected with a stretching rod (10), the outer ring wall of the outer clamping ring (2) is provided with a plurality of stretching rod positioning through grooves (11) which are arranged corresponding to the first grooves (6), and the stretching rod positioning through groove (11) is communicated with the first groove (6), the stretching rod (10) is arranged by penetrating through the stretching rod positioning through groove (11), the outer end of the stretching rod (10) is fixed with a hanging ring (12), the outer wall of the outer clamping ring (2) is fixed with a plurality of fixing rods (13) which are arranged corresponding to the stretching rod (10), a horizontally arranged hanging and connecting rod (14) is fixed on the side wall of one side of the fixed rod (13) close to the stretching rod (10), and the hanging and connecting rod (14) is matched with the hanging and connecting ring (12).

2. The novel prestressed corrugated pipe special for the suspension bridge as claimed in claim 1, wherein: and a sealing rubber layer is bonded on the inner ring wall of the outer clamping ring (2).

3. The novel prestressed corrugated pipe special for the suspension bridge as claimed in claim 1, wherein: the bottom end of the wedge-shaped fixture block (7) adopts circular arc transition.

4. The novel prestressed corrugated pipe special for the suspension bridge as claimed in claim 1, wherein: and a sealing rubber layer is bonded inside the second groove (9).

5. The novel prestressed corrugated pipe special for the suspension bridge as claimed in claim 1, wherein: still set up a plurality of auxiliary positioning who sets up along its length direction and lead to groove (15) on the inner circle wall of outer joint ring (2), be fixed with a plurality of auxiliary positioning fixture blocks (16) that set up along its length direction on the outer circle wall of inner joint ring (4), auxiliary positioning leads to groove (15) and auxiliary positioning fixture block (16) and all is the annular and arranges, and auxiliary positioning leads to groove (15) and first recess (6) setting, auxiliary positioning fixture block (16) and second recess (9) setting that interlocks.

Images