CN213499973U

CN213499973U - Tubular pile steel mould bolt structure

Info

Publication number: CN213499973U
Application number: CN202022146702.4U
Authority: CN
Inventors: 李小刚
Original assignee: Zhejiang Yuxiang Tunnel Segment Manufacturing Co ltd
Current assignee: Zhejiang Yuxiang Tunnel Segment Manufacturing Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-06-22
Anticipated expiration: 2030-09-26

Abstract

The utility model relates to a tubular pile steel mould technical field especially relates to a tubular pile steel mould bolt structure, a tubular pile steel mould bolt structure is used for connecting and goes up mould and lower mould, the horizontal part of going up the mould is equipped with the through-hole, the horizontal part of lower mould is equipped with down the through-hole, the lower terminal surface of lower mould horizontal part is provided with the nut, be provided with fastening bolt in going up the through-hole, the fastening bolt spiro union is in the nut, the horizontal part of going up the mould is provided with the mounting, the mounting includes two arc pieces of locating the mould horizontal part, be formed with the spacing chamber that supplies fastening bolt to pass between two arc pieces, spacing chamber and the coaxial setting of last through-hole, spacing intracavity is provided with conical pressure spring, the pressure spring. The application has: the working efficiency is improved during die assembly and demoulding.

Description

Tubular pile steel mould bolt structure

Technical Field

The application relates to the technical field of tubular pile steel moulds, in particular to a bolt structure of a tubular pile steel mould.

Background

In the production process of tubular pile, need use the steel mould as the mould of placing the steel reinforcement cage, the steel mould divide into mould and lower mould, goes up mould and lower mould and all includes the horizontal part of arc portion and arc portion both sides, pours into the concrete behind the arc portion that the steel reinforcement cage put into the lower mould, supports the horizontal part of last mould tightly on the horizontal part of lower mould carries out the compound die again, adopts the horizontal part of bolt pair upper mould and the horizontal part fastening of lower mould often.

Among the correlation technique, be a tubular pile mould as patent publication No. CN209971096U patent discloses, it includes two semi-pipe moulds, the tip of semi-pipe mould is provided with the semicircle baffle, the semicircle baffle through the pivot with the semi-pipe mould is articulated, the lateral wall of semicircle baffle is provided with the grafting block, be provided with the plug socket on the lateral wall of semi-pipe mould, the semicircle baffle is rotatable so that the grafting block inserts the plug socket, the plug socket pass through the retaining member with the grafting block locking cooperation.

When the scheme is adopted for die assembly, the two half-pipe dies are mutually covered, the fixing screws on the side edges are turned over, and the two half-pipe dies are fixedly connected. The in-process needs earlier to overturn from a half pipe mould with the fixed screw and get into on another half pipe mould, screws up the fixed screw again, need loosen the fixed screw earlier during the drawing of patterns, resets the fixed screw upset again. In the actual production process, the operation is time-consuming and labor-consuming, and two persons are often required to operate simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to improve the work efficiency when compound die and drawing of patterns, this application provides a tubular pile steel mould bolt structure.

The above object of the present application is achieved by the following technical solutions: the utility model provides a tubular pile steel mould bolt structure, a be used for connecting mould and lower mould, the horizontal part of going up the mould is equipped with the through-hole, the horizontal part of lower mould is equipped with down the through-hole, the lower terminal surface of lower mould horizontal part is provided with the nut, it is provided with fastening bolt in the through-hole to go up, fastening bolt spiro union is in the nut, the horizontal part of going up the mould is provided with the mounting, the mounting includes two arc pieces of locating the mould horizontal part, be formed with the spacing chamber that supplies fastening bolt to pass between two arc pieces, spacing chamber and the coaxial setting of last through-hole, spacing intracavity is provided with conical pressure spring, the pressure spring cover.

By adopting the technical scheme, the fastening bolt sequentially penetrates through the upper through hole and the lower through hole and then is screwed in the nut, and the horizontal part of the upper die and the horizontal part of the lower die are locked. And when the mold is removed, the fastening bolt is rotated, and the top of the pressure spring is connected with the fastening bolt, so that the fastening bolt is reset. The setting of arc piece surrounds pressure spring and fastening bolt in spacing intracavity for fastening bolt is difficult for falling out from spacing intracavity, and the in-process of compound die and drawing of patterns need not in addition manual reset fastening bolt, thereby has improved operating efficiency.

The present application may be further configured in a preferred example to: the lower end face of the lower die horizontal part is also provided with a base, a nut is arranged on the base, a first bolt is connected to the base in a threaded mode, and the base is fixed to the lower die through the first bolt.

Through adopting above-mentioned technical scheme, fixed through first bolt between base and the lower mould horizontal part, after being convenient for use for a long time, pull down the nut that the base changed wearing and tearing.

The present application may be further configured in a preferred example to: the limiting cavity is arranged in a conical shape corresponding to the pressure spring, and the bottom of the pressure spring is arranged in the limiting cavity.

Through adopting above-mentioned technical scheme, spacing chamber is the toper setting for when spacing intracavity was located to the pressure spring, the bottom of pressure spring was difficult for following spacing intracavity slippage, has strengthened the stability of being connected of fastening bolt and mounting.

The present application may be further configured in a preferred example to: the arc-shaped block is provided with a second bolt, the second bolt penetrates through the arc-shaped block and then is in threaded connection with the horizontal part of the upper die, the arc-shaped block is further provided with a third bolt, the third bolt penetrates through one arc-shaped block on the fixing part and then is in threaded connection with the other arc-shaped block, and one end of one arc-shaped block is fastened with the other arc-shaped block through the third bolt.

Through adopting above-mentioned technical scheme, the arc piece passes through the second bolt and fixes with last mould, fastens through the third bolt between two arc pieces for the mounting is closely fixed with last mould horizontal part between, and is convenient for unpack the mounting apart, thereby maintains the mounting after convenient long-time the use.

The present application may be further configured in a preferred example to: the limiting cavity is internally provided with a butt joint piece, the butt joint piece comprises an upper sleeve arranged in the upper through hole, a lower sleeve arranged in the lower through hole and a butt joint ring connected with the upper sleeve, the upper sleeve is arranged between the inner wall of the upper through hole and the fastening bolt, the lower sleeve is arranged between the inner wall of the lower through hole and the fastening bolt, one end of the butt joint ring is connected with the upper sleeve, and the other end of the butt joint ring is abutted against the bottom of the pressure spring.

Through adopting above-mentioned technical scheme, the inner wall of last through-hole and lower through-hole has effectively been protected in the setting of upper sleeve and lower sleeve to reduce fastening bolt to the condition of last mould and lower mould destruction, setting up of butt ring has reduced the wearing and tearing of pressure spring bottom to last mould horizontal part.

The present application may be further configured in a preferred example to: the inner side of the nut is provided with a chamfer.

Through adopting above-mentioned technical scheme, the setting of chamfer is convenient for go into the nut with fastening bolt spiral shell.

The present application may be further configured in a preferred example to: and rubber layers are arranged on the inner walls of the two arc-shaped blocks.

Through adopting above-mentioned technical scheme, the setting on rubber layer has reduced the wearing and tearing of pressure spring and arc piece inner wall to the life of pressure spring and arc piece has been prolonged.

The present application may be further configured in a preferred example to: the lower end face of the upper sleeve is provided with a convex block, the upper end face of the lower sleeve is provided with a groove corresponding to the convex block, and the convex block is embedded in the groove.

By adopting the technical scheme, the arrangement of the convex block and the groove facilitates the alignment of the upper die and the lower die during die assembly.

To sum up, the application comprises the following beneficial technical effects:

the limiting cavity and the pressure spring are both arranged in a conical shape, so that the pressure spring is limited in the limiting cavity by the two arc-shaped blocks, the top of the pressure spring is connected with the fastening bolt, the fastening bolt is not easy to fall off when being screwed out, the fastening bolt does not need to be manually reset when being fastened again, and the operation efficiency is improved;

the arrangement of the abutting pieces is convenient for protecting the inner wall of the upper through hole of the upper die and the inner wall of the lower through hole of the lower die, so that the damage of the bolt to the upper die and the lower die is reduced;

the arrangement of the convex block and the groove on the abutting part facilitates the alignment of the upper die and the lower die during die assembly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 3 is a schematic illustration of an exploded view of a fastener in an embodiment of the present application;

figure 4 is the explosion structure diagram of the abutment member in the embodiment of the application.

Reference numerals: 1. an upper die; 11. an upper through hole; 12. fastening a bolt; 13. a first threaded hole; 2. a lower die; 21. a lower through hole; 22. a nut; 221. chamfering; 3. an arc-shaped portion; 4. a horizontal portion; 5. a fixing member; 51. an arc-shaped block; 511. a rubber layer; 512. a first through hole; 513. a second through hole; 514. a second threaded hole; 52. a limiting cavity; 53. a pressure spring; 54. a second bolt; 55. a third bolt; 6. a base; 61. caulking grooves; 62. a first bolt; 7. an abutting member; 71. an upper sleeve; 711. a bump; 72. a lower sleeve; 721. a groove; 73. an abutment ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

As shown in fig. 1, a pipe pile die bolt structure for locking a horizontal portion 4 of an upper die 1 and a horizontal portion 4 of a lower die 2.

As shown in fig. 1 and 2, the horizontal portion 4 of the upper die 1 is provided with a fastening bolt 12 and an upper through hole 11, the horizontal portion 4 of the lower die 2 is provided with a nut 22 and a lower through hole 21, the fastening bolt 12 sequentially penetrates through the upper through hole 11 and the lower through hole 21 and then is screwed with the nut 22, and the horizontal portion 4 of the upper die 1 and the horizontal portion 4 of the lower die 2 are locked.

As shown in fig. 2 and 3, the upper die 1 is provided with a fixing member 5, the fixing member 5 includes two arc blocks 51 arranged on the horizontal portion 4 of the upper die 1, and a limiting cavity 52 coaxial with the upper through hole 11 is formed between the two arc blocks 51. A conical pressure spring 53 is arranged in the limiting cavity 52, the limiting cavity 52 and the pressure spring 53 are arranged in a conical mode, and the bottom of the pressure spring 53 is arranged in the limiting cavity 52. The fastening bolt 12 penetrates through the limiting cavity 52, the pressure spring 53 is sleeved on the fastening bolt 12, and the top of the pressure spring 53 is fixed with the fastening bolt 12. Spacing chamber 52 is the toper setting for when pressure spring 53 was located in spacing chamber 52, the difficult slippage from spacing chamber 52 in bottom of pressure spring 53, thereby spacing pressure spring 53 and fastening bolt 12 between two arc pieces 51, make fastening bolt 12 be difficult for falling out, the in-process of compound die and drawing of patterns need not other manual reset fastening bolt 12, thereby has improved operating efficiency.

The lower end face of the horizontal part 4 of the lower die 2 is also provided with a base 6, the base 6 is provided with an embedded groove 61 for embedding the nut 22, the base 6 is screwed with a first bolt 62, and the base 6 is fixed on the lower die 2 through the first bolt 62. The nut 22 is embedded in an embedding groove 61 on the base 6, the base 6 and the horizontal part 4 of the lower die 2 are fixed through a first bolt 62, and the base 6 protects the nut 22 and facilitates replacement after abrasion due to long-term use. The inside of the nut 22 is provided with a chamfer 221. The provision of the chamfer 221 facilitates the threading of the fastening bolt 12 into the nut 22.

Run through on the arc piece 51 and be provided with first through-hole 512, be equipped with second bolt 54 in the first through-hole 512, the horizontal part 4 of going up mould 1 is equipped with first screw hole 13, and second bolt 54 passes behind the first through-hole 512 spiro union in first screw hole 13 for closely fixed between mounting 5 and the last mould 1 horizontal part 4, and be convenient for unpack mounting 5 apart, thereby conveniently maintain mounting 5 after long-time the use.

The arc blocks 51 are further provided with second through holes 513 in a penetrating mode, third bolts 55 are arranged in the second through holes 513, second threaded holes 514 are formed in the arc blocks 51, and the third bolts 55 penetrate through the second through holes 513 of one arc block 51 and then are screwed into the second threaded holes 514 in the other arc block 51. One of the arc blocks 51 is fastened with the other arc block 51 by a third bolt 55, so that the strength of the fixing member 5 is higher.

Rubber layers 511 are arranged on the inner walls of the two arc-shaped blocks 51, and due to the arrangement of the rubber layers 511, the abrasion between the pressure spring 53 and the inner walls of the arc-shaped blocks 51 is reduced, so that the service lives of the pressure spring 53 and the arc-shaped blocks 51 are prolonged.

As shown in fig. 2 and 4, the abutting piece 7 is provided in the limiting cavity 52, the abutting piece 7 includes an upper sleeve 71 provided in the upper through hole 11, a lower sleeve 72 provided in the lower through hole 21, and an abutting ring 73 connected to the upper sleeve 71, the upper sleeve 71 is provided between the inner wall of the upper through hole 11 and the fastening bolt 12, the lower sleeve 72 is provided between the inner wall of the lower through hole 21 and the fastening bolt 12, one end of the abutting ring 73 is connected to the upper sleeve 71, and the other end of the abutting ring 73 abuts against the pressure spring 53. The arrangement of the abutting piece 7 effectively protects the inner walls of the upper through hole 11 and the lower through hole 21, so that the damage of the fastening bolt 12 to the upper die 1 and the lower die 2 is reduced, and the abrasion of the pressure spring 53 to the outer wall of the upper die 1 is reduced due to the arrangement of the abutting ring 73.

As shown in fig. 4, a projection 711 is provided on the lower end surface of the upper sleeve 71, a groove 721 corresponding to the projection 711 is provided on the upper end surface of the lower sleeve 72, and the projection 711 is fitted in the groove 721. The arrangement of the projections 711 and recesses 721 facilitates alignment of the upper and lower dies 1, 2 during clamping.

The application principle is as follows:

before die assembly, the fastening bolt 12 penetrates through the limiting cavity 52 of the fixing part 5, the compression spring 53 sleeved on the fastening bolt 12 is limited between the two arc-shaped blocks 51 of the fixing part 5, the top of the fastening bolt 12 is connected with the top of the compression spring 53, the bottom of the compression spring 53 is abutted against the abutting ring 73 on the abutting part 7, the upper sleeve 71 on the abutting part 7 is arranged in the upper through hole 11 of the upper die 1, and the lower sleeve 72 on the abutting part 7 is arranged in the lower through hole 21 of the lower die 2.

When the mold is closed, the horizontal portion 4 of the upper mold 1 is brought closer to the horizontal portion 4 of the lower mold 2, and the upper mold 1 and the lower mold 2 are aligned by aligning the projection 711 on the lower end surface of the upper sleeve 71 with the groove 721 on the upper end surface of the lower sleeve 72. The upper mold 1 and the lower mold 2 are locked by screwing the fastening bolt 12 into the nut 22 on the lower mold 2 by turning the fastening bolt 12.

During demolding, the fastening bolt 12 is separated from the nut 22 by rotating the fastening bolt 12, and the top of the fastening bolt 12 is connected with the pressure spring 53, so that the fastening bolt 12 is not easy to fall out of the limiting cavity 52, and the fastening bolt 12 can be directly rotated conveniently during next mold closing.

In summary, the present application has: the working efficiency is improved during die assembly and demoulding.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tubular pile steel mould bolt structure for mould (1) and lower mould (2) in the connection, its characterized in that: the die is characterized in that an upper through hole (11) is formed in a horizontal portion (4) of an upper die (1), a lower through hole (21) is formed in the horizontal portion (4) of a lower die (2), a nut (22) is arranged on the lower end face of the horizontal portion (4) of the lower die (2), a fastening bolt (12) is arranged in the upper through hole (11), the fastening bolt (12) is screwed in the nut (22), a fixing piece (5) is arranged on the horizontal portion (4) of the upper die (1), the fixing piece (5) comprises two arc-shaped blocks (51) arranged on the horizontal portion (4) of the upper die (1), a limiting cavity (52) for the fastening bolt (12) to penetrate through is formed between the two arc-shaped blocks (51), the limiting cavity (52) and the upper through hole (11) are coaxially arranged, a conical pressure spring (53) is arranged in the limiting cavity (52), the pressure spring (53) is sleeved on the.

2. The tubular pile steel die bolt structure of claim 1, which is characterized in that: the lower end face of the horizontal portion (4) of the lower die (2) is further provided with a base (6), a nut (22) is arranged on the base (6), a first bolt (62) is connected to the base (6) in a threaded mode, and the base (6) is fixed to the lower die (2) through the first bolt (62).

3. The tubular pile steel die bolt structure of claim 1, which is characterized in that: the limiting cavity (52) is arranged in a conical shape corresponding to the pressure spring (53), and the bottom of the pressure spring (53) is arranged in the limiting cavity (52).

4. The tubular pile steel die bolt structure of claim 1, which is characterized in that: the novel die is characterized in that a second bolt (54) is arranged on the arc-shaped block (51), the second bolt (54) penetrates through the arc-shaped block (51) and then is in threaded connection with the horizontal part (4) of the upper die (1), a third bolt (55) is further arranged on the arc-shaped block (51), the third bolt (55) penetrates through the arc-shaped block (51) on the fixing piece (5) and then is in threaded connection with another arc-shaped block (51), and one end of one arc-shaped block (51) is fastened with the other arc-shaped block (51) through the third bolt (55).

5. The tubular pile steel die bolt structure of claim 1, which is characterized in that: be provided with butt piece (7) in spacing chamber (52), butt piece (7) are including last sleeve (71) of locating in last through-hole (11), lower sleeve (72) of locating in lower through-hole (21) and butt ring (73) of being connected with last sleeve (71), go up between the inner wall of last through-hole (11) and fastening bolt (12) are located to sleeve (71), lower sleeve (72) are located down between the inner wall of through-hole (21) and fastening bolt (12), the one end and the last sleeve (71) of butt ring (73) are connected, the other end and the bottom butt of pressure spring (53) of butt ring (73).

6. The tubular pile steel die bolt structure of claim 1, which is characterized in that: a chamfer (221) is arranged on the inner side of the nut (22).

7. The tubular pile steel die bolt structure of claim 1, which is characterized in that: rubber layers (511) are arranged on the inner walls of the two arc-shaped blocks (51).

8. The tubular pile steel die bolt structure of claim 5, characterized in that: a bump (711) is arranged on the lower end face of the upper sleeve (71), a groove (721) corresponding to the bump (711) is arranged on the upper end face of the lower sleeve (72), and the bump (711) is embedded in the groove (721).