CN217712614U

CN217712614U - Section of jurisdiction turning device

Info

Publication number: CN217712614U
Application number: CN202221459778.5U
Authority: CN
Inventors: 周枫; 郭海东; 唐平响
Original assignee: Deqing Jiaoshui Construction Industrialization Co ltd
Current assignee: Deqing Jiaoshui Construction Industrialization Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-01
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a tube sheet turnover device, which comprises a base, a turnover frame rotationally connected to the base and a rotating mechanism for driving the turnover frame to rotate, wherein the turnover frame is provided with four vertical rods and four transverse rods vertically arranged with the vertical rods in parallel, two outermost vertical rods are respectively provided with a rotating cylinder, and a U-shaped pressure rod bridged on the middle two vertical rods is arranged between output shafts of the two rotating cylinders; the surface that the montant is close to the horizontal pole is provided with flexible gasket, the surface that the horizontal pole is close to the montant is provided with the square timber, the surface that the square timber deviates from the horizontal pole sets up the convex surface into arc evagination. The utility model discloses utilize the convex surface of square timber arc evagination and flexible gasket respectively with the inboard cambered surface and the terminal surface cooperation of section of jurisdiction to it removes to assist with rotatable U type depression bar restriction section of jurisdiction in the upset in-process, thereby can guarantee the support stability when overturning the section of jurisdiction, with the purpose of realizing steady upset section of jurisdiction.

Description

Section of jurisdiction turning device

Technical Field

The utility model belongs to the technical field of tunnel engineering's technique and specifically relates to a section of jurisdiction turning device is related to.

Background

The shield segment is a main assembly component for shield construction, is the innermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads. The shield segment is a permanent lining structure of a shield tunnel, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are influenced.

The Chinese patent with the granted publication number of CN201232555Y discloses a tube sheet overturning machine which comprises a base, wherein a rotating mechanism used for rotating is arranged at the upper part of the base, and the rotating mechanism comprises a supporting plate, an overturning frame, a sliding bearing, a hydraulic oil cylinder and a hydraulic station adopting a double-oil-cylinder synchronous hydraulic circuit. Before the upset, the section of jurisdiction hoist to the roll-over stand on to be the decurrent level of cambered surface and place, when hydraulic cylinder drive roll-over stand upset, the section of jurisdiction is also by the level upset to vertical thereupon.

The above prior art solutions have the following drawbacks: when the roll-over stand need overturn the section of jurisdiction, the roll-over stand truns into the support to the section of jurisdiction terminal surface by the support to the section of jurisdiction cambered surface, and the interval between the strong point of the relative roll-over stand of focus of section of jurisdiction changes, leads to easily supporting unstable condition, causes the section of jurisdiction to empty in the ground after the upset, remains to improve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to the above-mentioned not enough and provide a section of jurisdiction turning device that exists among the prior art, it has avoided the section of jurisdiction to support the unstable condition when the upset, has realized the purpose of steady upset section of jurisdiction.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a tube sheet overturning device comprises a base, an overturning frame and a rotating mechanism, wherein the overturning frame is rotatably connected to the base, the rotating mechanism is used for driving the overturning frame to rotate, four vertical rods and four transverse rods which are perpendicular to the vertical rods are arranged on the overturning frame in parallel, rotating cylinders are respectively arranged on the two outermost vertical rods, and a U-shaped pressure rod which is bridged on the two middle vertical rods is arranged between output shafts of the two rotating cylinders; the surface that the montant is close to the horizontal pole is provided with flexible gasket, the surface that the horizontal pole is close to the montant is provided with the square timber, the surface that the square timber deviates from the horizontal pole sets up the convex surface into arc evagination.

By adopting the technical scheme, before turning, the duct piece is hoisted to the turning frame in advance, the cambered surface of the duct piece faces downwards and is attached to the convex surfaces of two square timbers, so that the contact area between the convex surfaces and the cambered surface of the duct piece is increased, meanwhile, the end surface of the duct piece is forced to be attached to the gasket, the contact pressure between the surface of the gasket and the end surface of the duct piece is kept, and then the rotary cylinder is started to drive the U-shaped pressure rod to be pressed on the cambered surface on the outer side of the duct piece so as to limit the duct piece to move relative to the turning frame easily; during overturning, the friction force between the duct piece and the square timber and the gasket is large, so that the duct piece can be prevented from moving horizontally relative to the overturning frame, and the appropriate pre-pressure can be kept between the U-shaped pressure rod and the duct piece in a rotating cylinder driving mode, so that the duct piece is prevented from falling towards the bottom surface relative to the overturning frame, and the duct piece is stably overturned by 90 degrees; in this in-process, utilize the convex surface of square timber arc evagination and flexible gasket respectively with the inboard cambered surface and the terminal surface cooperation of section of jurisdiction to it removes to assist in the restriction section of jurisdiction of rotatable U type depression bar in the upset in-process, thereby can guarantee the support stability when overturning the section of jurisdiction, in order to realize the purpose of steady upset section of jurisdiction.

The utility model discloses further set up to: the gasket is provided with a plurality of mounting holes, the gasket is provided with a plurality of locking bolts in threaded connection with the vertical rod in a penetrating way, and the locking bolts tightly abut against the inner walls of the mounting holes and the end faces of the locking bolts are flush with the surface of the gasket.

By adopting the technical scheme, the gasket can be conveniently disassembled and replaced when the joint of the end face of the segment and the surface of the gasket is not influenced.

The utility model discloses further set up to: reinforcing sheets are respectively arranged between the two sides of the vertical rod and the roll-over stand.

By adopting the technical scheme, the supporting stability of the vertical rod to the end face of the duct piece can be ensured.

The utility model discloses further set up to: the both sides of horizontal pole be provided with a plurality of respectively with the separation blade that the side wall of square timber is contradicted, wear to be equipped with on the separation blade with square timber threaded connection's fastening bolt.

Through adopting above-mentioned technical scheme, the dismouting of square timber on the horizontal pole of being convenient for.

The utility model discloses further set up to: and a fall exists between the top surfaces of the two square timbers at the outermost side and the two square timbers in the middle.

Through adopting above-mentioned technical scheme, the square timber of two sets of co-altitude can adapt to the installation and the upset to the section of jurisdiction of different diameters, different radians to guarantee the support stability to the section of jurisdiction inboard cambered surface.

The utility model discloses further set up to: the U-shaped pressure lever comprises a connecting strip arranged on an output shaft of the rotary cylinder, a rotating shaft rotatably connected to one end, far away from the rotary cylinder, of the pair of connecting strips, and a flexible shaft sleeve sleeved on the rotating shaft.

Through adopting above-mentioned technical scheme, after the section of jurisdiction upset, when lifting by crane, the axle sleeve still can keep with the butt state of section of jurisdiction outside cambered surface to guarantee that the section of jurisdiction is stably in the state of erectting, and rotate the mode of connecting between pivot and the connecting strip, the section of jurisdiction is taken out from between axle sleeve and the horizontal pole to the loop wheel machine of also being convenient for.

The utility model discloses further set up to: the base comprises an underframe and H-shaped vertical frames symmetrically arranged on two sides of the underframe, a fall exists between two top ends of the vertical frames, the higher end of each vertical frame is abutted against the bottom surface of the turnover frame, and the lower end of each vertical frame is rotatably connected with the turnover frame; after the turnover frame is turned over, the turnover frame abuts against the side wall of the vertical frame, and the vertical rod abuts against the top surface of the bottom frame.

Through adopting above-mentioned technical scheme, support stability around overturning the roll-over stand is better, and then can guarantee the support stability of roll-over stand to the section of jurisdiction.

The utility model discloses further set up to: the rotating mechanism comprises a pair of hydraulic oil cylinders hinged on the base frame, piston rods of the two hydraulic oil cylinders are hinged on the roll-over stand, and hinged points between the two hydraulic oil cylinders and the roll-over stand are respectively positioned on two sides of a rotating connection point of the roll-over stand and the vertical stand.

Through adopting above-mentioned technical scheme, at the reciprocal upset in-process of roll-over stand, the flexible opposite direction of these two hydraulic cylinder's piston rod can guarantee roll-over stand rotation angle's steady transition, and then can guarantee the support stability of roll-over stand to the section of jurisdiction.

To sum up, the utility model discloses a beneficial technological effect does: utilize the convex surface of square timber arc evagination and flexible gasket respectively with the inboard cambered surface and the terminal surface cooperation of section of jurisdiction to assist and restrict the section of jurisdiction and remove in the upset process with rotatable U type depression bar, thereby can guarantee the support stability when overturning the section of jurisdiction, with the purpose that realizes steady upset section of jurisdiction.

Drawings

Fig. 1 is a schematic structural view of the segment turnover device of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the duct piece turnover device before turning over.

Fig. 3 is a schematic view of the three-dimensional structure of the duct piece turnover device after turnover.

In the figure, 1, a base; 11. a chassis; 12. erecting a frame; 2. a roll-over stand; 3. a rotation mechanism; 31. a hydraulic cylinder; 4. a vertical rod; 41. a gasket; 411. mounting holes; 42. a locking bolt; 43. a reinforcing sheet; 5. a cross bar; 51. square wood; 511. a convex surface; 52. a baffle plate; 53. fastening a bolt; 6. a rotating cylinder; 7. a U-shaped compression bar; 71. a connecting strip; 72. a rotating shaft; 73. and a shaft sleeve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention clearer and easier to understand, the present invention is further explained below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, for the utility model discloses a segment turning device, including base 1, rotate roll-over stand 2 and the rotary mechanism 3 that is used for ordering about roll-over stand 2 pivoted that connects on base 1. In addition, four vertical rods 4 and four transverse rods 5 which are perpendicular to the vertical rods 4 are arranged on the roll-over stand 2 in parallel, rotary cylinders 6 are respectively arranged on the two outermost vertical rods 4, and U-shaped pressure rods 7 which are bridged on the two middle vertical rods 4 are arranged between output shafts of the two rotary cylinders 6. The surface of the vertical rod 4 close to the cross rod 5 is provided with a flexible gasket 41, the surface of the cross rod 5 close to the vertical rod 4 is provided with a square timber 51, and the surface of the square timber 51 departing from the cross rod 5 is provided with an arc convex surface 511.

Referring to fig. 2 and 3, first, the base 1 includes an underframe 11 and H-shaped vertical frames 12 symmetrically disposed on both sides of the underframe 11, a drop exists between two top ends of the vertical frames 12, a higher end of the vertical frame 12 abuts against a bottom surface of the roll-over stand 2, and a lower end of the vertical frame 12 is rotatably connected to the roll-over stand 2. After the roll-over stand 2 is turned over, the roll-over stand 2 abuts against the side wall of the vertical frame 12, and the vertical rod 4 abuts against the top surface of the bottom frame 11. The structure has good supporting stability before and after overturning the overturning frame 2, and further can ensure the supporting stability of the overturning frame 2 to the tube sheet.

Secondly, the rotating mechanism 3 comprises a pair of hydraulic oil cylinders 31 hinged on the base frame 11, piston rods of the two hydraulic oil cylinders 31 are hinged on the roll-over stand 2, and hinged points between the two hydraulic oil cylinders 31 and the roll-over stand 2 are respectively positioned at two sides of a rotating connection point of the roll-over stand 2 and the stand 12. In the process of the reciprocating turnover of the turnover frame 2, the piston rods of the two hydraulic oil cylinders 31 are opposite in telescopic direction, so that the stable transition of the turnover angle of the turnover frame 2 can be ensured, and the support stability of the turnover frame 2 to the tube sheets can be further ensured.

In order to facilitate the disassembly and assembly and replacement of the gasket 41, a plurality of mounting holes 411 are formed in the gasket 41, a plurality of locking bolts 42 in threaded connection with the vertical rod 4 penetrate through the gasket 41, the locking bolts 42 tightly abut against the inner wall of the mounting holes 411, and the end faces of the locking bolts are flush with the surface of the gasket 41. Reinforcing pieces 43 are respectively arranged between the two sides of the vertical rod 4 and the roll-over stand 2. Above-mentioned structure is when not influencing section of jurisdiction terminal surface and the laminating of 41 surfaces of gasket, and the dismouting of the gasket 41 of being convenient for is changed, can also guarantee the support stability of montant 4 to the section of jurisdiction terminal surface.

In order to facilitate the assembly and disassembly of the square timber 51 on the cross bar 5, a plurality of baffle plates 52 abutting against the side walls of the square timber 51 are respectively arranged on two sides of the cross bar 5, and fastening bolts 53 connected with the square timber 51 in a threaded manner penetrate through the baffle plates 52. There is the drop between two square timber 51 of the outermost side and the top surface that is located two square timber 51 in the middle of, and two sets of not co-altitude square timber 51 can adapt to the installation and the upset to the section of jurisdiction of different diameters, different radians to guarantee the support stability to the intraductal cambered surface of section of jurisdiction.

In addition, the U-shaped press rod 7 includes a connecting bar 71 disposed on the output shaft of the rotary cylinder 6, a rotating shaft 72 rotatably connected to one end of the pair of connecting bars 71 away from the rotary cylinder 6, and a flexible bushing 73 sleeved on the rotating shaft 72. After the segment is turned over and lifted, the shaft sleeve 73 can still be kept in a butt joint state with the outer side cambered surface of the segment, so that the segment is stably in a vertical state, the rotating connection mode between the rotating shaft 72 and the connecting strip 71 is adopted, and the segment can be conveniently drawn out by the crane from the position between the shaft sleeve 73 and the cross rod 5.

The implementation principle of the embodiment is as follows: before the upset, hoist the section of jurisdiction to roll-over stand 2 in advance on, the cambered surface of section of jurisdiction is down and with wherein the convex surface 511 laminating of two square timbers 51, be favorable to increasing the area of contact between convex surface 511 and the section of jurisdiction cambered surface, force the terminal surface and the gasket 41 laminating of section of jurisdiction simultaneously, so that keep contact pressure between gasket 41 surface and the section of jurisdiction terminal surface, restart revolving cylinder 6, in order to order about U type depression bar 7 crimping in the cambered surface in the section of jurisdiction outside, in order to restrict the relative roll-over stand 2 of section of jurisdiction and remove easily. During the upset, the frictional force between section of jurisdiction and square timber 51, the gasket 41 is great, can avoid the section of jurisdiction relative roll-over stand 2 horizontal migration, and rotatory cylinder 6 driven mode enables to keep suitable precompression between U type depression bar 7 and the section of jurisdiction, avoids the section of jurisdiction to produce the trend of toppling over to the bottom surface relative roll-over stand 2 to realize the steady 90 upset of section of jurisdiction. In the process, the convex surface 511 of the square wood 51 protruding outwards in the arc shape and the flexible gasket 41 are respectively matched with the inner arc surface and the end surface of the duct piece, and the rotatable U-shaped pressure lever 7 is used for limiting the movement of the duct piece in the overturning process, so that the supporting stability during the overturning of the duct piece can be ensured, and the purpose of stably overturning the duct piece is realized.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a section of jurisdiction turning device, includes base (1), rotate connect in roll-over stand (2) on base (1) and be used for ordering about roll-over stand (2) pivoted rotary mechanism (3), its characterized in that: four vertical rods (4) and four transverse rods (5) which are perpendicular to the vertical rods (4) are arranged on the roll-over stand (2) in parallel, rotary cylinders (6) are respectively arranged on the two outermost vertical rods (4), and U-shaped pressure rods (7) which are bridged on the two middle vertical rods (4) are arranged between output shafts of the two rotary cylinders (6); the surface that montant (4) are close to horizontal pole (5) is provided with flexible gasket (41), the surface that horizontal pole (5) are close to montant (4) is provided with square timber (51), the surface that square timber (51) deviates from horizontal pole (5) sets up to convex surface (511) of arc evagination.

2. The tube sheet turnover device according to claim 1, wherein: a plurality of mounting holes (411) are formed in the gasket (41), a plurality of locking bolts (42) in threaded connection with the vertical rod (4) penetrate through the gasket (41), and the locking bolts (42) tightly abut against the inner wall of the mounting holes (411) and the end face of the inner wall of the mounting holes (411) and are flush with the surface of the gasket (41).

3. The tube sheet turnover device of claim 2, wherein: reinforcing sheets (43) are respectively arranged between the two sides of the vertical rod (4) and the roll-over stand (2).

4. The tube sheet turnover device according to claim 1, wherein: the two sides of the cross rod (5) are respectively provided with a plurality of baffle plates (52) which are abutted against the side walls of the square timber (51), and fastening bolts (53) which are connected with the square timber (51) through threads penetrate through the baffle plates (52).

5. The tube sheet turnover device according to claim 4, wherein: the top surfaces of the two outermost square timbers (51) and the two middle square timbers (51) have a fall.

6. The tube sheet turnover device according to claim 1, wherein: the U-shaped pressure lever (7) comprises a connecting strip (71) arranged on an output shaft of the rotary cylinder (6), a rotating shaft (72) rotatably connected to one end, far away from the rotary cylinder (6), of the pair of connecting strips (71), and a flexible shaft sleeve (73) sleeved on the rotating shaft (72).

7. The tube sheet turnover device of claim 1~6, wherein: the base (1) comprises an underframe (11) and H-shaped vertical frames (12) symmetrically arranged on two sides of the underframe (11), a fall exists between two top ends of the vertical frames (12), the higher end of each vertical frame (12) is abutted against the bottom surface of the turnover frame (2), and the lower end of each vertical frame (12) is rotatably connected with the turnover frame (2); after the turnover frame (2) is turned over, the turnover frame (2) is abutted against the side wall of the vertical frame (12), and the vertical rod (4) is abutted against the top surface of the bottom frame (11).

8. The tube sheet turnover device according to claim 7, wherein: the rotating mechanism (3) comprises a pair of hydraulic oil cylinders (31) hinged to the base frame (11), piston rods of the two hydraulic oil cylinders (31) are hinged to the roll-over stand (2), and hinged points between the two hydraulic oil cylinders (31) and the roll-over stand (2) are respectively located on two sides of a rotating connection point of the roll-over stand (2) and the vertical stand (12).