CN212312296U

CN212312296U - Steel end mold for road and bridge precast beam

Info

Publication number: CN212312296U
Application number: CN202020532780.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xuchang Tengfei Highway Engineering Co Ltd
Current assignee: Xuchang Tengfei Highway Engineering Co Ltd
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2021-01-08
Anticipated expiration: 2030-04-11

Abstract

The utility model relates to a road and bridge equipment technical field, concretely relates to road and bridge precast beam steel system end mould, including die body, die cavity, steel bar insertion hole, rubber buffer, jack, bulge, mounting hole, elasticity cartridge assembly, centre gripping hole, breach, external screw thread section, locking lid, keep away dead slot, annular dog. The utility model has the advantages that: insert the rubber buffer in the centre gripping hole of elasticity cartridge subassembly, screw thread closes soon on the external thread section through the locking lid, drive annular dog supports the axial end face of round platform section on the elasticity cartridge subassembly, make the round platform section along the endwise slip of taper groove in the taper groove, the breach that round platform section outer wall set up simultaneously, make the global outer wall of round platform section have to its radial inboard elastic contraction, and then make the centre gripping hole inner wall press from both sides tight rubber buffer, make the rubber buffer can install on the die body of end mould comparatively conveniently, make the installation effect of rubber buffer more stable, install simultaneously, it is comparatively convenient to dismantle.

Description

Steel end mold for road and bridge precast beam

Technical Field

The utility model relates to a road and bridge equipment technical field, concretely relates to road and bridge precast beam steel system end mould.

Background

Chinese patent No. CN201120438650.6 discloses a precast beam end template reserved steel bar hole grout stopping device, which comprises a rubber plug, a pressing frame, a pressing plate, a screw and a nut, wherein the rubber plug is provided with a hole with the same diameter as the reserved steel bar hole, the rubber plug is attached to the outer surface of the precast beam end template, the hole on the rubber plug is just opposite to the reserved steel bar hole of the precast beam end template, the pressing frame is pressed on the part of the rubber plug which is not provided with the hole, the pressing plate is pressed on the pressing frame, one end of the screw is connected with the precast beam end template, and the other end of the screw passes through the pressing plate and is in threaded connection with the nut; the utility model discloses an adopt the rubber buffer shutoff at reservation reinforcing bar hole periphery to through the connection effect that compresses tightly of compressing tightly frame, pressure strip, screw rod and nut, with rubber buffer and precast beam end template zonulae occludens, with the help of the performance of rubber buffer high elasticity and extrudability, it is tight to be wrapped up when making embedded bar pass the rubber buffer, thereby reserve reinforcing bar hole periphery and can not appear leaking the thick liquid phenomenon when having guaranteed concrete placement.

Adopt the rubber buffer to come to carry out the leak-stopping to reinforcing bar hole (this application is called reinforcing bar patchhole) periphery among the above-mentioned prior art, but because present rubber buffer is connected with the end mould tight fit of precast beam, comparatively inconvenient when the installation rubber buffer, long-term use back simultaneously, the rubber buffer can produce clearance or burr with end mould junction, and then influences the installation effect of rubber buffer and dismantles the degree of difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a road and bridge precast beam steel system end mould, it can realize solving prior art's problem to a certain extent at least.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the utility model provides a road and bridge precast beam steel system end mould, includes the die body of precast beam steel end mould, be equipped with the die cavity on the die body, be equipped with on its outer wall and run through the steel bar patchhole of die cavity, be equipped with on the die body with steel bar patchhole complex rubber buffer, coaxially be equipped with on the rubber buffer and supply reinforcing bar male jack, be equipped with the bulge corresponding with the steel bar patchhole on the die body outer wall, be equipped with on the bulge with the coaxial and the mounting hole that feeds through of steel bar patchhole, through-hole form, be equipped with the elastic clamp subassembly in the mounting hole, the elastic clamp subassembly includes coaxial and body structure's column segment and round platform section are constituteed, the coaxial sliding fit of column segment is inserted and is closed in the mounting hole, corresponds be equipped with on the bulge with round platform section appearance adaptation, and supply the taper groove of round platform section sliding fit block, coaxial being, The centre gripping hole of through-hole form, be equipped with the breach in a plurality of intercommunication centre gripping holes along its axial array on the global of circular platform section, the breach extends to on the column segment, be equipped with the external screw thread section on the bulge, the thread bush is equipped with the locking lid on the external screw thread section, the locking is covered and is equipped with the clearance groove that supplies the reinforcing bar to pass through freely, the locking lid is equipped with annular dog towards the die body one side is coaxial, annular dog terminal surface offsets with the axle end face of circular platform section, when the locking lid screw thread is rotatory on the external screw thread section, the drive annular dog supports the axle end face of circular platform section, and the drive the circular platform section is along the endwise slip of taper groove in the taper groove.

As a further optimization of the technical scheme, a force applying rod is arranged on the circumferential surface of the locking cover.

As above technical scheme's further optimization, the rubber buffer is equipped with the pyramis towards the locking cap one end is coaxial, the pyramis diameter diminishes from interior to exterior in proper order along the rubber buffer axial, just the jack runs through the pyramis, corresponds coaxial be equipped with on the annular dog with pyramis appearance adaptation, and supply the draw-in groove of pyramis block, the draw-in groove with keep away the coaxial and intercommunication in empty groove.

As a further optimization of the technical scheme, the taper part and the rubber plug are of an integrated structure.

As a further optimization of the technical scheme, the circumferential surface of the column section is provided with an arc-shaped through groove communicated with the notch.

As a further optimization of the above technical solution, the entire elastic collet assembly is made of 65Mn material.

The utility model has the advantages that: the rubber plug is inserted into a clamping hole of the elastic collet assembly and is screwed on the external thread section through a locking cover, the annular stop block is driven to abut against the axial end surface of the circular table section on the elastic collet assembly, so that the circular table section slides along the axial direction of the conical groove in the conical groove, meanwhile, the gap arranged on the outer wall of the circular table section enables the peripheral outer wall of the circular table section to elastically contract towards the radial inner side of the circular table section, and further the inner wall of the clamping hole clamps the rubber plug, so that the rubber plug can be conveniently installed on a die body of an end die, compared with the prior art, the rubber plug is connected on the end die in a close fit mode, the installation effect of the rubber plug is relatively stable to at least a certain degree, the installation and the disassembly are relatively convenient, the cone is arranged, the end part of the rubber plug has a certain radial extrusion force on a reinforcing steel bar through the clamping limit of the clamping groove on the annular stop, the edge curl generation is reduced, so that the end part of the rubber plug still has better sealing after long-term use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the perspective structure of FIG. 1;

FIG. 3 is a schematic perspective view of the middle mold body of the present invention;

FIG. 4 is a schematic perspective view of the locking cover of the present invention;

the reference numerals are explained below:

1-die body, 2-bulge, 3-taper groove, 4-external thread section, 5-mounting hole, 6-column section, 7-notch, 8-circular table section, 9-clamping hole, 10-rubber plug, 11-jack, 12-cone, 13-locking cover, 14-clearance groove, 15-annular stop block, 16-clamping groove, 17-reinforcing steel bar insertion hole and 18-die cavity.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-4, fig. 1-4 show a road and bridge precast beam steel end mold, which includes a mold body 1 of the precast beam steel end mold, the mold body 1 is provided with a mold cavity 18, the outer wall of the mold body 1 is provided with a steel bar insertion hole 17 penetrating through the mold cavity 18, the mold body 1 is provided with a rubber plug 10 cooperating with the steel bar insertion hole 17, the rubber plug 10 is coaxially provided with an insertion hole 11 for inserting a steel bar, the outer wall of the mold body 1 is provided with a bulge portion 2 corresponding to the steel bar insertion hole 17, the bulge portion 2 is provided with a through hole type installation hole 5 coaxial and communicated with the steel bar insertion hole 17, the installation hole 5 is internally provided with an elastic clamp assembly, the elastic clamp assembly includes a column section 6 and a circular truncated cone section 8 which are coaxially and integrally structured, the column section 6 is coaxially and slidably inserted into the installation hole 5, and the bulge portion 2 is correspondingly provided with a circular truncated, And supply taper groove 3 of 8 sliding fit blocks of round platform section, the coaxial centre gripping hole 9 that is equipped with the plug-in of confession rubber buffer 10, the through-hole form that is equipped with on the collet subassembly, round platform section 8 is global to be equipped with breach 7 of a plurality of intercommunication centre gripping holes 9 along its axial array, breach 7 extends to on the column segment 6, be equipped with external screw thread section 4 on the bulge 2, thread bush is equipped with locking lid 13 on external screw thread section 4, be equipped with on the locking lid 13 and supply the free empty groove 14 of keeping away that the reinforcing bar freely passes through, locking lid 13 is towards 1 one side coaxial annular dog 15 that is equipped with of die body, the 15 terminal surfaces of annular dog and round platform section 8's axial termination, when locking lid 13 is screwed on external screw thread section 4, drive annular dog 15 supports the axial termination face of round platform section 8, and drive round platform section 8 is along the axial slip of taper groove 3 in taper groove 3.

The circumferential surface of the locking cover 13 is provided with a stress application rod, and the locking cover 13 is convenient to rotate by using the stress application rod.

Rubber buffer 10 is equipped with pyramis 12 towards the coaxial pyramis that is equipped with of locking lid 13 one end, pyramis 12 diameter diminishes from interior to exterior in proper order along rubber buffer 10 axial, just jack 11 runs through pyramis 12, and is corresponding annular dog 15 is gone up the coaxial draw-in groove 16 that is equipped with pyramis 12 appearance adaptation, and supplies pyramis 12 block, draw-in groove 16 and keep away the same axis of empty groove 14 and communicate.

The taper part 12 and the rubber plug 10 are of an integrated structure.

The column section 6 is provided with an arc through groove communicated with the notch 7 on the circumferential surface, and the arc through groove is arranged, so that the elastic shrinkage and expansion capability of the circular truncated cone section 8 are improved.

The whole elastic chuck component is made of 65Mn materials, so that the whole elastic performance of the elastic chuck component is good.

The utility model discloses when using: inserting the column section of the elastic chuck assembly into the mounting hole of the bulge, inserting the rubber plug into the clamping hole of the elastic chuck assembly, penetrating the external reinforcing steel bar into the jack of the rubber plug through the clearance groove of the locking cover, and finally penetrating out of the reinforcing steel bar jack of the die body, manually rotating the locking cover to enable the annular stop block to abut against the shaft end surface of the circular truncated cone section, so that the circular truncated cone section slides in the circular truncated cone groove along the axial direction of the circular truncated cone groove, the inner wall of the circular truncated cone groove has radial acting force on the outer wall of the circular truncated cone section, and simultaneously, due to the notch arranged on the outer peripheral surface of the circular truncated cone section, the outer wall of the circular truncated cone section generates elastic contraction deformation towards the radial inner side, so that the inner wall of the clamping hole generates elastic contraction, the rubber plug is clamped, when the rubber plug is clamped, the rubber plug is subjected to radial acting force, the inner wall of the jack on the rubber plug tightly wraps the surface of the reinforcing, the cone part is also subjected to radial extrusion deformation, so that the cone part firmly wraps the reinforcing steel bar, and the leakage stopping performance of the die body is further improved.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a road and bridge precast beam steel system end mould, includes die body (1) of precast beam steel end mould, be equipped with die cavity (18) on die body (1), be equipped with on its outer wall and run through reinforcing bar patchhole (17) of die cavity (18), be equipped with on die body (1) with reinforcing bar patchhole (17) complex rubber buffer (10), coaxial being equipped with on rubber buffer (10) supplies reinforcing bar male jack (11), its characterized in that, be equipped with on die body (1) outer wall with reinforcing bar patchhole (17) corresponding bulge (2), be equipped with on bulge (2) with reinforcing bar patchhole (17) coaxial and the intercommunication, mounting hole (5) of through-hole form, be equipped with the elasticity cartridge assembly in mounting hole (5), the elasticity cartridge assembly comprises column section (6) and round platform section (8) of coaxial and body structure, the coaxial sliding fit of column section (6) is inserted and is closed in mounting hole (5), correspond be equipped with on bulge (2) with circular truncated cone section (8) appearance adaptation, and supply circular truncated cone section (8) sliding fit block's taper groove (3), the last coaxial centre gripping hole (9) that are equipped with and supply rubber buffer (10) to insert, through-hole form of supplying of elastic collet subassembly, be equipped with breach (7) of a plurality of intercommunication centre gripping holes (9) along its axial array on the global of circular truncated cone section (8), breach (7) extend to on column segment (6), be equipped with external screw thread section (4) on bulge (2), threaded sleeve is equipped with locking lid (13) on external screw thread section (4), be equipped with on locking lid (13) and supply the steel bar freedom to pass through keep away empty groove (14), locking lid (13) are equipped with annular dog (15) towards die body (1) one side is coaxial, annular dog (15) terminal surface and circular truncated cone section (8) shaft end facial features counterbalance, when the locking cover (13) is screwed on the external thread section (4), the annular stop block (15) is driven to abut against the shaft end surface of the circular truncated cone section (8), and the circular truncated cone section (8) is driven to slide along the axial direction of the conical groove (3) in the conical groove (3).

2. The road and bridge precast beam steel end mold according to claim 1, characterized in that the circumferential surface of the locking cover (13) is provided with a force applying rod.

3. The road and bridge precast beam steel end mold according to claim 1, characterized in that the rubber stopper (10) is coaxially provided with a pyramid part (12) towards one end of the locking cover (13), the diameter of the pyramid part (12) decreases progressively from inside to outside along the axial direction of the rubber stopper (10), the insertion hole (11) penetrates through the pyramid part (12), the corresponding annular stopper (15) is coaxially provided with a clamping groove (16) which is matched with the external shape of the pyramid part (12) and is used for clamping the pyramid part (12), and the clamping groove (16) is coaxial and communicated with the clearance groove (14).

4. The road and bridge precast beam steel end mold according to claim 3, characterized in that the taper part (12) and the rubber plug (10) are of an integral structure.

5. The road and bridge precast beam steel end mold according to claim 1, characterized in that the column section (6) is provided with an arc-shaped through groove on the circumferential surface thereof, which is communicated with the gap (7).

6. The road and bridge precast beam steel end form of claim 1, wherein the resilient cartridge assembly is made entirely of 65 Mn.