CN217268370U - Steel bar connection structure for rail transit prefabricated member - Google Patents

Abstract

The utility model discloses a rail transit is steel bar connection structure for prefab. It is including can hugging closely a toper subassembly and No. two toper subassemblies on two reinforcing bars of treating the connection respectively and being used for the suit to connect the casing outside a toper subassembly and be used for the suit to connect the casing No. two outside the toper subassembly, all be provided with the interlock structure that can interlock each other on a joint casing and No. two joint casings, insert the wedge between two interlock structures and support fixedly after a joint casing and No. two joint casings pass through two interlock structures interlock assemblies. After the structure is adopted, the operation is very simple and convenient, the construction is easy, the limitation of the field is avoided, the labor intensity is reduced, the production efficiency is improved, the connection reliability is good, the welding assembly defect is eliminated, the construction quality is ensured, in addition, the parts are easy to manufacture, and the manufacturing cost is low.

Description

Steel bar connection structure for rail transit prefabricated member

Technical Field

The utility model relates to a part connection structure that urban rail transit was used, specifically speaking are steel bar connection structure for track traffic prefab.

Background

In the urban rail transit work progress, often need connect the reinforcing bar in the prefab, among the prior art, adopt welding and straight thread sleeve to connect the mode usually, when adopting welded connection, can appear undercut, weld the tumour, sunken and welding deformation's defect usually, sometimes also have surface gas pocket and surface crack, for example: the root of the single-side welding is not welded completely, the forming is poor, the edge dislocation, the collapse, the surface air holes, the crater shrinkage holes, various welding deformations and the like, such as angular deformation, distortion, wave deformation and the like belong to the welding defects, and the O angular deformation also belongs to the assembling forming defects; in addition, during welding, electric equipment such as a welding machine and the like needs to be arranged on site, and various problems of site limitation, high labor intensity of workers, fire hazard and the like exist. When the straight thread sleeve is adopted for connection, the labor intensity of site construction is high, the steel bar is easily polluted by oil stains, the production efficiency is low, and therefore the steel bar is not suitable for being used in high-density bar arrangement occasions, the cost is high, the thread precision is poor, false thread phenomena exist and the like.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a steel bar connection structure for rail transit prefab that low in manufacturing cost, operation are very simple convenient, the construction is easy, low in labor strength, production efficiency are high and construction quality is high.

In order to solve the technical problem, the utility model discloses a steel bar connection structure for track traffic prefab, including can hug closely a toper subassembly and No. two toper subassemblies on two rebars of treating the connection respectively and be used for the suit to connect the casing No. two outside the toper subassembly No. one outside the second toper subassembly, all be provided with the interlock structure that can mutual interlock on a joint casing and No. two joint casings, insert the wedge between two interlock structures and support fixedly after a joint casing and No. two joint casings pass through two interlock structure interlock assemblies.

The first conical assembly and the second conical assembly respectively comprise two half taper sleeves which are split, the first connector shell is provided with a conical inner cavity matched with the outer surface of the first conical assembly, and the second connector shell is provided with a conical inner cavity matched with the second conical assembly.

The two halves of a conical component and a second conical component are oppositely arranged on the half cone sleeve and are respectively provided with a clamping groove, and the two halves of the conical component and the second conical component are oppositely arranged on the steel bars to be connected and are respectively fixed into a whole through clamping rings in the clamping grooves in a clamping mode.

The inner surface of each half taper sleeve of the first conical assembly and the second conical assembly is provided with a plurality of grooves.

A connect the casing and connect the casing No. two and all include the joint section that interior awl section of thick bamboo section, interior awl section of thick bamboo extend and a pair of armful arm of the terminal formation of joint section, the armful arm joint of a joint casing is in the joint section of No. two joint casings, and the armful arm joint that makes No. two joint casings simultaneously forms in the joint section of a joint casing interlock structure, the wedge is pegged graft between the armful arm of a joint casing and No. two joint casings.

Be provided with the location tooth's socket that is located its joint section on the interior taper barrel section of a joint casing, No. two joint casings hold be provided with on the arm with a joint casing on location tooth's socket complex location tooth, be provided with the location tooth's socket that is located its joint section on the interior taper barrel section of No. two joint casings equally, the arm of holding of a joint casing is provided with on the same with No. two joint casings on location tooth's socket complex location tooth.

After adopting foretell structure, through the suit of setting at the conical assembly of a in the joint casing and the suit at the conical assembly of No. two in No. two joint casings and the interlock structure that can interlock each other on joint casing and No. two joint casings, utilize conical assembly and No. two conical assemblies to hold the back on two reinforcing bars of treating the connection from this, utilize joint casing and No. two to fix as a whole, make its operation very simple convenient, the construction is easy, do not receive the place restriction, labor intensity is reduced, production efficiency has still been improved and connection reliability is good, the welding assembly defect has been eliminated, construction quality has been guaranteed, in addition, its spare part makes easily, low in manufacturing cost.

Drawings

Fig. 1 is a schematic view of a section structure of a use state of the steel bar connection structure for the rail transit prefabricated member of the present invention;

fig. 2 is a schematic view of the usage state of the steel bar connection structure for the rail transit prefabricated member of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic perspective view of a first connector housing according to the present invention;

fig. 5 is a schematic perspective view of a second connector housing according to the present invention;

fig. 6 is a schematic view of the three-dimensional structure of the middle half taper sleeve of the present invention.

Detailed Description

The following describes the reinforcement connection structure for rail transit prefabricated members in further detail with reference to the accompanying drawings and the specific embodiments.

As shown in the figures, the steel bar connection structure for the rail transit prefabricated member of the utility model comprises a first conical component 1 and a second conical component 2 which can be respectively tightly held on two steel bars to be connected, a first joint shell 3 sleeved outside the first conical component and a second joint shell 4 sleeved outside the second conical component, as can be seen from the figures, the first conical component 1 and the second conical component 2 respectively comprise two half conical sleeves 6 which are oppositely opened, a clamping groove 7 arranged on the outer surface of each half conical sleeve 6 and a clamping ring 8 used for being clamped in the clamping groove, two half conical sleeves of the first conical component 1 are fixed by the clamping ring clamped in the clamping groove after being clamped on one of the steel bars to be connected, two half conical sleeves of the second conical component 2 are fixed by the clamping ring clamped in the clamping groove after being clamped on the other steel bar to be connected, of course, the big diameter section one side position that a toper subassembly 1 and No. two toper subassemblies 2 formed is relative, No. one connect casing 3 have with toper subassembly surface complex toper inner chamber No. one, No. two connect casing 4 have with No. two toper subassembly complex toper inner chambers, can connect casing 3 with a toper subassembly suit after the staple bolt is accomplished from this in No. one, connect casing 4 with No. two toper subassemblies suit, all be provided with the interlock structure that can interlock each other on No. one connect casing 3 and No. two connect casing 4, a connect casing 3 and No. two to connect casing 4 to insert wedge 5 between two interlock structures through two interlock structure interlock assembly back and support fixedly.

Further, the first connector housing 3 and the second connector housing 4 each include an inner conical cylinder section 10, a clamping section 11 extending from the inner conical cylinder section, and a pair of clasping arms 12 formed at the end of the clamping section, and specifically, the first connector housing 3 and the second connector housing 4 are both parts processed on a cylindrical part, when processing, an inner conical hole matched with an involutory half cone sleeve matching outer surface is processed at one end of the cylindrical part to form the inner conical cylinder section, and simultaneously, a cutting groove is formed as the clamping section at the right side end (the left and right directions shown in fig. 3) of the inner conical cylinder section, and in addition, an opening is processed at the right side end of the clamping section to form the pair of clasping arms, when butt-jointing, the clasping arms of the first connector housing 3 are clamped in the clamping section of the second connector housing 4, and simultaneously the clasping arms of the second connector housing 4 are clamped in the clamping section of the first connector housing 3 to form the above-mentioned engaging structure, the wedge-shaped block 5 is inserted between the embracing arm of the first connector shell 3 and the embracing arm of the second connector shell 4, so that the first connector shell 3 and the second connector shell 4 move back to each other for a certain distance to realize occlusion fixation.

In addition, in order to achieve the purpose of preventing rotation and further improve the connection reliability, a positioning tooth socket 13 located in the clamping section of the first joint shell 3 can be arranged on an inner conical cylinder section (right side end) of the first joint shell 3, positioning teeth 14 matched with the positioning tooth socket on the first joint shell 3 are arranged on a holding arm (left side end) of the second joint shell 4, a positioning tooth socket located in the clamping section of the second joint shell 4 is also arranged on the inner conical cylinder section of the second joint shell 4, and positioning teeth matched with the positioning tooth socket on the second joint shell 4 are also arranged on the holding arm of the first joint shell 3, so that the first joint shell 3 and the second joint shell 4 can be positioned by utilizing the mutual matching of the positioning tooth sockets and the positioning teeth.

Still further, can also all be provided with multichannel slot 9 at the internal surface of each half taper sleeve 6 of No. one toper subassembly 1 and No. two toper subassemblies 2, through the pattern surface cooperation increase frictional force of the multichannel slot that sets up and the reinforcing bar of waiting to connect, improved joint strength.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims (6)

1. The utility model provides a rail transit is steel bar connection structure for prefab, includes can hold tightly cone assembly (1) and No. two cone assemblies (2) on two reinforcing bars of treating the connection respectively and be used for the suit connect casing (3) and be used for the suit connect casing (4) No. two outside No. two cone assemblies outside one number of cone assemblies, connect casing (3) and No. two and all be provided with the interlock structure that can interlock each other on connecting casing (4), connect casing (3) and No. two and connect casing (4) through two after the interlock structure interlock assembly two insert wedge (5) between the interlock structure and support fixedly.

2. The reinforcing bar connection structure for rail transit prefabricated members according to claim 1, wherein: first toper subassembly (1) and second toper subassembly (2) all include two halves and run from opposite directions half taper sleeve (6), first joint casing (3) have with a toper subassembly surface complex toper inner chamber, No. two joint casing (4) have with second toper subassembly complex toper inner chamber.

3. The reinforcing bar connection structure for rail transit prefabricated members according to claim 2, wherein: the two halves of a toper subassembly (1) and No. two toper subassemblies (2) are provided with draw-in groove (7) on the half cone cover of run from opposite directions, the two halves of a toper subassembly (1) and No. two toper subassemblies (2) are run from opposite directions half cone cover staple bolt all fixed as an organic whole through snap ring (8) of joint in the draw-in groove after treating the reinforcing bar of connecting.

4. A reinforcing bar connecting structure for rail transit prefabricated members according to claim 2 or 3, wherein: the inner surfaces of the half taper sleeves (6) of the first taper assembly (1) and the second taper assembly (2) are provided with a plurality of grooves (9).

5. The reinforcing bar connection structure for rail transit prefabricated parts according to claim 4, wherein: a connect casing (3) and No. two and connect casing (4) and all include the joint section that interior awl section of thick bamboo section, interior awl section of thick bamboo extend and a pair of arm of embracing of the terminal formation of joint section, the arm joint of embracing of a joint casing (3) is in the joint section of No. two joint casings (4), and the arm joint of embracing that makes No. two joint casings (4) simultaneously forms in the joint section of a joint casing (3) the interlock structure, wedge (5) are pegged graft and are embraced between the arm of embracing arm of a joint casing (3) and No. two joint casings (4).

6. The reinforcing bar connection structure for rail transit prefabricated members according to claim 5, wherein: be provided with the location tooth's socket that is located its joint section on the interior awl section of a joint casing (3), be provided with on the armful arm of No. two joint casing (4) with the location tooth's socket complex location tooth on a joint casing (3), be provided with the location tooth's socket that is located its joint section on the interior awl section of No. two joint casing (4) equally, be provided with on the armful arm of a joint casing (3) equally with No. two location tooth's socket complex location teeth on the joint casing (4).

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