CN217760104U

CN217760104U - Prestress tension frame

Info

Publication number: CN217760104U
Application number: CN202221934477.3U
Authority: CN
Inventors: 赵福光; 唐兆为; 杨晓光; 陈迪
Original assignee: Yin Guang Sha Group Co ltd
Current assignee: Yin Guang Sha Group Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-08
Anticipated expiration: 2032-07-25

Abstract

The application discloses prestressing force tensioning frame, including hanging the adjustable shelf, the top one end of hanging the adjustable shelf is provided with the lead screw, hang the top other end of adjustable shelf and seted up first sliding tray towards one side of lead screw, the motor that lateral surface fixedly connected with and lead screw one end of hanging the adjustable shelf are connected, the outside threaded connection of lead screw has the sliding block, and the sliding block keeps away from the one end of lead screw and pegs graft in first sliding tray, the second sliding tray has been seted up to the both sides face of sliding block, the constant head tank has been seted up at sliding block upper surface middle part, the sliding block has the support of hanging through two second sliding tray sliding connection, it is the square font to hang the support, and sliding connection has the screens piece on hanging the support, and the inside top surface of hanging the support is provided with the spacing elastic component that passes the screens piece and with the constant head tank joint. The prestressed tensioning frame can adjust the position of the jack suspension mechanism at will and fix the position of the jack suspension mechanism by means of the gravity of the jack.

Description

Prestress tension frame

Technical Field

The application belongs to the technical field of engineering construction auxiliary equipment, and particularly relates to a prestress tensioning frame.

Background

Prestressing force stretch-draw adds the pulling force in the component in advance for it bears compressive stress to be exerted the stretch-draw member, and then makes it produce certain deformation, deals with the load that structure itself received, including the load of component self weight, wind load, snow load, earthquake load effect etc.. The steel strand, jack, anchor plate and clamping piece are used for general tensioning, and the advantages of the steel strand, jack, anchor plate and clamping piece are that the rigidity of the structure can be improved, the elastic strength of the tensioning module can be obviously improved by reducing and doing so, and the original resistance is stronger.

The used stretch-draw frame of current prestressing force stretch-draw operation, jack suspension mechanism can slide at the top of stretch-draw frame to adjust the position at stretch-draw frame, but current stretch-draw frame hangs mechanism at the jack and adjusts fixed back, and the mode of generally adopting the bolt is fixed, and when needs readjustment, it dismantles comparatively trouble, has reduced stretch-draw operation's work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prestressing force tensioning frame to the dismantlement that proposes in solving above-mentioned background art is comparatively troublesome, has reduced the problem of the work efficiency of stretch-draw operation.

In order to achieve the purpose, the following technical scheme is adopted in the application: prestressed tensioning frame, including hanging the adjustable shelf, the top one end of hanging the adjustable shelf is provided with the lead screw, hang the top other end of adjustable shelf and seted up first sliding tray towards one side of lead screw, the lateral surface fixedly connected with that hangs the adjustable shelf is connected with the motor that lead screw one end is connected, the outside threaded connection of lead screw has the sliding block, and the sliding block keeps away from the one end of lead screw and pegs graft in first sliding tray, the second sliding tray has been seted up to the both sides face of sliding block, the constant head tank has been seted up at sliding block upper surface middle part, the sliding block has through two second sliding tray sliding connection and hangs the support, it is a square font to hang the support, and sliding connection has the screens piece on hanging the support, and the inside top surface of hanging the support is provided with the spacing elastic component that passes the screens piece and with the constant head tank joint.

Preferably, hang a support top fixedly connected with first spring, hang the inside fixedly connected with dead lever that the support is located first spring, and the dead lever runs through first spring and screens piece to constant head tank top.

Preferably, one end of the fixing rod, which is far away from the first spring, is fixedly connected with a limiting sheet, and a second spring is arranged between the two limiting sheets.

Preferably, hang the support middle part and seted up the third sliding tray towards one side of sliding block, the inside sliding connection of third sliding tray has square slide bar, and the other end of square slide bar is pegged graft in the second sliding tray.

Preferably, a convex block protrudes downwards from the middle of the bottom surface of the hanging bracket, and a hanging hole is formed in the middle of the convex block.

Preferably, the middle inner side wall of the hanging movable frame is fixedly connected with a plurality of groups of hanging rods, and the inside of the hanging movable frame is provided with a movable plate which is lapped on the hanging rods at the same horizontal height.

Preferably, a plurality of universal wheels are installed on the bottom surface of the hanging movable frame, and one end of the hanging movable frame close to the universal wheels is connected with a safety bolt through threads.

To sum up, the technical effect and the advantage of this application: this prestressing force stretch-draw frame compares in current stretch-draw frame, through setting up motor, lead screw and spacing elastic component to realize that the jack hangs the nimble removal in stretch-draw frame top of mechanism, especially when fixed, only need rely on the gravity of jack itself just can fix the operation position, need not extra fixed knot to construct or fixed equipment, can nimble adjusting position again when taking off the jack, need not to dismantle, improve stretch-draw operation's work efficiency.

Drawings

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

FIG. 2 is a schematic view of a hanger assembly of the present application;

FIG. 3 is a schematic view of the structure of the elastic spacing element of the present application;

fig. 4 is a schematic diagram of a movable plate structure according to the present application.

In the figure: 1. hanging a movable frame; 2. a lead screw; 3. hanging a bracket; 4. a slider; 5. a motor; 6. a first sliding groove; 7. a hanging hole; 8. a second spring; 9. a card position sheet; 10. a fixing rod; 11. a first spring; 12. a limiting sheet; 13. positioning a groove; 14. a square sliding bar; 15. a second sliding groove; 16. a third sliding groove; 17. a safety plug; 18. a hanging rod; 19. a movable plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments.

Referring to fig. 1 and 2, the embodiment of the application discloses a prestress tensioning, which comprises a hanging movable frame 1, wherein one end of the top of the hanging movable frame 1 is rotatably connected with a lead screw 2, the other end of the top of the hanging movable frame 1, facing one side of the lead screw 2, is provided with a first sliding groove 6, the outer side surface of the hanging movable frame 1 is fixedly connected with a motor 5 connected with one end of the lead screw 2, the lead screw 2 is driven by the motor 5 to rotate, the outer side of the lead screw 2 is in threaded connection with a sliding block 4, the sliding block 2 rotates to drive the sliding block 4 to move, one end of the sliding block 4, far away from the lead screw 2, is inserted into the first sliding groove 6, the cross section of the first sliding groove 6 is rectangular, the sliding block 4 is matched with the inserted part, two side surfaces of the sliding block 4 are provided with second sliding grooves 15, the middle part of the upper surface of the sliding block 4 is provided with a positioning groove 13, the sliding block 4 is slidably connected with a hanging bracket 3 through the two second sliding grooves 15, the cross section of the hanging bracket 3 is in a square shape, the hanging bracket 3 is slidably connected with a clamping piece 9, and a limiting elastic piece is arranged on the hanging bracket 3, and passes through the clamping with the positioning groove 9.

Referring to fig. 1, a plurality of universal wheels are installed on the bottom surface of the hanging movable frame 1, and a safety plug 17 is connected to one end of the hanging movable frame 1 close to the universal wheels through threads and rotates through a cross rod on the safety plug 17.

Referring to fig. 2, the top of the hanging bracket 3 is fixedly connected with a first spring 11, the other end of the first spring 11 is fixedly connected with a positioning plate 9, the hanging bracket 3 is located in the first spring 11 and is fixedly connected with a fixing rod 10, the stability of the first spring 11 is ensured, and the fixing rod 10 penetrates through the first spring 11 and the positioning plate 9 to above a positioning groove 13.

Referring to fig. 2 and 3, one end of the fixing rod 10 far away from the first spring 11 is fixedly connected with a limiting piece 12, the two limiting pieces 12 are oppositely arranged, a second spring 8 is arranged between the two limiting pieces 12, the limiting pieces 12 are matched with a positioning groove 13, and the second spring 8 ensures the tension of the limiting pieces 12.

Referring to fig. 2 and 3, a third sliding groove 16 is formed in the middle of the hanging bracket 3 and faces one side of the sliding block 4, and the third sliding groove 16 can ensure that the hanging bracket 3 moves up and down. The third sliding groove 16 is internally and slidably connected with a square sliding rod 14, the square sliding rod 14 is matched with the third sliding groove 16, the other end of the square sliding rod 14 is inserted into the second sliding groove 15, and the size of the second sliding groove 15 is matched with that of the square sliding rod 14 so as to prevent the square sliding rod from sliding off.

Referring to fig. 2, a projection is projected downwards from the middle of the bottom surface of the hanging bracket 3, and a hanging hole 7 is formed in the middle of the projection for hanging the pulling rope.

Referring to fig. 4, a plurality of sets of hanging rods 18 are fixedly connected to the inner side wall of the middle portion of the hanging movable frame 1, a movable plate 19 is disposed in the hanging movable frame 1 and is hung on the hanging rods 18 at the same horizontal height, and when a jack needs to be fixed at a higher position for tensioning operation, the hanging rods 18 at a proper height can be selected to carry the movable plate 19, and the operation can be performed on the movable plate 19. The part of the movable plate 19 close to the hanging rod 18 is provided with a hollow hole for the top of the hanging rod 18 to penetrate so as to realize fixation.

The working principle is as follows: the hanging movable frame 1 is pushed to an operation position, universal wheels are fixed, according to the field condition, the height of a transverse rod on the safety bolt 17 is adjusted by rotating the safety bolt 17, the hanging movable frame 1 is ensured to be stable in level and not to shake, a hanging rod 18 with proper height is selected, a movable plate 19 is fixed on hanging rods 18 at two ends, a motor 5 is started, the sliding block 4 is rotated through a screw rod 2, the sliding block 4 is adjusted to the position right ahead of tensioning operation, a traction rope is pulled at the same time, the displacement of the hanging support 3 is driven, a proper position is selected, the traction rope is tied to a tensioning jack, downward pulling force can be applied to the hanging support 3 by the gravity of the jack, the hanging support 3 is driven to move downwards along a square sliding rod 14 through a third sliding groove 16, at the moment, a fixing rod 10 on the bottom surface of the top of the hanging support 3 can also move downwards, a limiting piece 12 at the bottom of the fixing rod 10 enters a positioning groove 13, the limiting piece 12 can extrude two sides of the positioning groove 13, meanwhile, a second spring 8 can apply reverse acting force to the limiting piece 12 to expand and extrude towards two sides, the position, and then tensioning operation can be carried out.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. Prestressing force stretch-draw frame, including hanging adjustable shelf (1), its characterized in that: the utility model discloses a suspension device, including hanging adjustable shelf (1), top one end of hanging adjustable shelf (1) is rotated and is connected with lead screw (2), the top other end of hanging adjustable shelf (1) has seted up first sliding tray (6) towards one side of lead screw (2), the lateral surface fixedly connected with of hanging adjustable shelf (1) motor (5) that are connected with lead screw (2) one end, the outside threaded connection of lead screw (2) has sliding block (4), and sliding block (4) keep away from the one end of lead screw (2) and peg graft in first sliding tray (6), second sliding tray (15) have been seted up to the both sides face of sliding block (4), constant head tank (13) have been seted up at sliding block (4) upper surface middle part, sliding block (4) have through two second sliding tray (15) sliding connection hang support (3), the cross-section of hanging support (3) is the mouth font, and sliding connection has a screens piece (9) on hanging support (3), and the inside top surface of hanging support (3) is provided with the spacing elastic component that passes screens piece (9) and with constant head tank (13) joint.

2. The prestressed tension frame as claimed in claim 1, wherein: spacing elastic component is including hanging support (3) top fixedly connected with first spring (11), hang inside fixedly connected with dead lever (10) that support (3) are located first spring (11), and dead lever (10) run through first spring (11) and screens piece (9) to constant head tank (13) top.

3. The prestressed tension frame of claim 2, wherein: one end of the fixing rod (10) far away from the first spring (11) is fixedly connected with a limiting piece (12), and a second spring (8) is installed between the two limiting pieces (12).

4. The prestressed tension frame as claimed in claim 1, wherein: a third sliding groove (16) is formed in the middle of the hanging support (3) and faces one side of the sliding block (4), a square sliding rod (14) is connected inside the third sliding groove (16) in a sliding mode, and the other end of the square sliding rod (14) is connected into the second sliding groove (15) in an inserting mode.

5. The prestressed tension frame of claim 4, wherein: a convex block protrudes downwards from the middle of the bottom surface of the hanging bracket (3), and a hanging hole (7) is formed in the middle of the convex block.

6. The prestressed tension frame as claimed in claim 1, wherein: the hanging device is characterized in that a plurality of groups of hanging rods (18) are fixedly connected to the inner side wall of the middle of the hanging movable frame (1), and movable plates (19) which are lapped on the hanging rods (18) at the same horizontal height are arranged inside the hanging movable frame (1).

7. The prestressed tension frame as claimed in claim 1, wherein: a plurality of universal wheels are installed on the bottom surface of the hanging movable frame (1), and one end of the hanging movable frame (1) close to the universal wheels is connected with a safety bolt (17) through threads.