CN215925715U

CN215925715U - Precast beam pre-buried steel sheet angle adjustment device

Info

Publication number: CN215925715U
Application number: CN202122512587.2U
Authority: CN
Inventors: 芦亚杰; 包海; 王亚; 高立虎
Original assignee: Civil Aviation Airport Construction Engineering Co Ltd
Current assignee: Civil Aviation Airport Construction Engineering Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-01
Anticipated expiration: 2031-10-19

Abstract

The utility model provides a precast beam pre-buried steel sheet angle adjustment device, relates to precast beam technical field, the pedestal comprises a pedestal, the pedestal upper surface be located the position of the pre-buried steel sheet of installation and set up flutedly, the recess in be equipped with movable steel sheet, movable steel sheet's lower surface four corners department be connected with the tank bottom of recess through height adjusting assembly respectively to can fix a position the slope of the longitudinal gradient or the cross slope of movable steel sheet under height adjusting assembly's regulation, still fixedly be equipped with the rubber pad at the pedestal upper surface of recess upper port periphery. The novel embedded steel plate gradient adjusting device can accurately adjust the gradient of an embedded steel plate, so that the requirement of bridge construction is fully met; in the tensioning stage, the thinner part of the end part of the beam body can be protected, and damage caused by hard extrusion of the beam body and the pedestal can be avoided.

Description

Precast beam pre-buried steel sheet angle adjustment device

Technical Field

The utility model relates to a precast beam technical field, concretely relates to precast beam pre-buried steel sheet angular adjustment device.

Background

The bottom both ends of precast beam set up pre-buried steel sheet usually for be connected with the pier top. Because the precast beam usually has a certain longitudinal slope, the embedded steel plate needs to keep a certain inclination angle after the beam body is prepared and molded, and the accuracy of the inclination angle is directly related to the quality of bridge construction.

The prior art document with the application number of CN201910446552.8 discloses a positioning method for an embedded steel plate of a precast box girder, which adopts the technical scheme that a sand pit is reserved at the top end of a pedestal, the embedded steel plate is placed in the sand pit, and the embedded steel plate is adjusted to a specified angle and then positioned through a support rod. This prior art also has the following drawbacks: due to the fact that the sand body is soft, operators cannot accurately control the sand body in construction, the conditions of wrong angles and large deviation of the embedded steel plate are easily caused, and slope control of the bottom of a follow-up precast beam is not met; and the document does not have the requirement of adjusting the compression-resistant position at the sealing end of the simply supported end of the precast beam, and the thin-wall structure of the beam end is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a precast beam pre-buried steel sheet angular adjustment device, the problem that exists among the purpose solution prior art.

In order to achieve the purpose, the technical scheme adopted by the novel device is as follows:

the utility model provides a precast beam pre-buried steel sheet angle adjustment device, includes the pedestal, the pedestal upper surface be located the position of the pre-buried steel sheet of installation and offer flutedly, the recess in be equipped with movable steel sheet, the lower surface four corners department of movable steel sheet be connected with the tank bottom of recess through altitude mixture control subassembly respectively to can fix a position the slope of the longitudinal gradient or the cross slope of movable steel sheet under altitude mixture control subassembly's regulation, still fixedly be equipped with the rubber pad at the pedestal upper surface of recess upper port periphery.

Preferably, the height adjusting assembly including fixed first thrust bearing who locates movable steel sheet lower surface, first thrust bearing's lower extreme fixed be equipped with articulated ear, the pre-buried screw rod along vertical setting in the recess tank bottom of articulated ear below, the upper end of screw rod extends out tank bottom upper surface to the spiro union has the sleeve, sleeve upper end seal to at up end fixedly connected with second thrust bearing, second thrust bearing's top be equipped with articulated piece, articulated piece articulated through pivot and articulated ear, telescopic outer wall fixedly connected with centre gripping fixed block.

Preferably, the middle part of the movable steel plate is provided with an operation hole penetrating through the inner part of the groove.

Preferably, a plurality of fixing assemblies for fixing the embedded steel plate are uniformly distributed on the side wall of the movable steel plate.

Preferably, the fixed subassembly include one end and activity steel sheet lateral wall surface welded internal thread sleeve pipe, the threaded rod in the internal thread sleeve pipe of spiro union, threaded rod accessible rotation along internal thread sheathed tube axis round trip movement and location, at the top fixedly connected with third thrust bearing of threaded rod, the fixed splint that are equipped with in outside end of third thrust bearing.

Preferably, the outer surface of each side wall of the movable steel plate is provided with a fixing component.

Preferably, the inner side surface of the splint is provided with anti-slip lines.

This novel pre-buried steel sheet angular adjustment of precast beam device's beneficial effect does: the novel embedded steel plate gradient adjusting device can accurately adjust the gradient of an embedded steel plate, so that the requirement of bridge construction is fully met; in the tensioning stage, the thinner part of the end part of the beam body can be protected, and damage caused by hard extrusion of the beam body and the pedestal can be avoided.

Description of the drawings:

FIG. 1 is a schematic sectional structure of the present invention;

FIG. 2 is a partial schematic structure diagram of the present invention at A;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of an embodiment of the present invention having a securing assembly;

FIG. 5 is a side view of the present novel securing assembly;

1. a pedestal; 2. a movable steel plate; 3. a rubber pad; 4. a groove; 5. a first thrust bearing; 6. a second thrust bearing; 7. a hinged block; 8. a hinge ear; 9. a sleeve; 10. a screw; 11. clamping a fixed block; 12. an operation hole; 13. an internally threaded sleeve; 14. a threaded rod; 15. a third thrust bearing; 16. a splint; 17. and (6) pre-burying a steel plate.

The specific implementation mode is as follows:

the present invention is described in detail below with reference to the drawings, which are intended to illustrate preferred embodiments of the present invention and not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to be referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention.

The utility model provides a precast beam embedded steel plate angle adjusting device, as shown in fig. 1-5, includes

pedestal

1, 1 upper surface of pedestal be located the position of the embedded steel plate of installation and seted up recess 4, recess 4 in be equipped with movable steel plate 2, movable steel plate 2's lower surface four corners department be connected with recess 4's tank bottom through altitude mixture control subassembly respectively to can fix a position movable steel plate 2's longitudinal gradient or the slope of cross slope under height mixture control subassembly's regulation, still fixedly be equipped with rubber pad 3 at the pedestal upper surface of recess 4 port periphery.

As shown in fig. 2, the height adjusting assembly comprises a first thrust bearing 5 fixedly arranged on the lower surface of the movable steel plate 2, a hinge lug 8 is fixedly arranged at the lower end of the first thrust bearing 5, a screw rod 10 longitudinally arranged is embedded at the bottom of a groove below the hinge lug 8, the upper end of the screw rod 10 extends out of the upper surface of the groove bottom and is screwed with a sleeve 9, the upper end of the sleeve 9 is closed, a second thrust bearing 6 is fixedly connected to the upper end surface of the sleeve 9, a hinge block 7 is arranged at the top end of the second thrust bearing 6, the hinge block 7 is hinged to the hinge lug 8 through a rotating shaft, and a clamping fixing block 11 is fixedly connected to the outer wall of the sleeve 9.

As shown in fig. 3, the middle of the movable steel plate 2 is provided with an operation hole 12 penetrating the groove.

As shown in fig. 4 and 5, a plurality of fixing components for fixing the embedded steel plates 17 are uniformly distributed on the side wall of the movable steel plate 2.

As shown in fig. 4 and 5, the fixing assembly includes an internal threaded sleeve 13 with one end welded to the outer surface of the side wall of the movable steel plate, a threaded rod 14 screwed into the internal threaded sleeve 13, the threaded rod 14 being capable of moving back and forth and being positioned along the axis of the internal threaded sleeve by rotating, a third thrust bearing 15 being fixedly connected to the top end of the threaded rod, and a clamping plate 16 being fixedly disposed at the outer end of the third thrust bearing 15.

As shown in fig. 4, the outer surface of each side wall of the movable steel plate is provided with a fixing component.

The inner surface of the clamping plate 16 is provided with anti-slip threads (not shown).

This neotype theory of use:

when the novel embedded steel plate fixing device is used, workers use tools to clamp the clamping fixing block 11 through the operation hole, the cross slope or longitudinal slope angle of the movable steel plate 2 is adjusted to a specified value through rotation, the movable steel plate extends out of the upper end opening of the groove for a specified distance, the embedded steel plate is installed on the upper surface of the movable steel plate through the fixing assembly (the embedded steel plate is fixed in a mode of being directly in spot welding with the movable steel plate), namely, the position of the clamping plate 16 is adjusted through the rotating threaded rod, the clamping plate 16 is clamped on the side wall of the embedded steel plate, and therefore the embedded steel plate is fixed; the size of pre-buried steel sheet is greater than the size of port on the recess, and the edge of pre-buried steel sheet passes through the putty with the contact position of pedestal to be sealed, leaks thick liquid when preventing to pour.

In the tensioning stage, because the height of the embedded steel plate is accurately adjusted and the rubber pad is arranged, the thin-wall end (namely the position with thinner wall) at the end part of the beam body can not be damaged even if the middle part of the beam body is arched.

Claims

1. The utility model provides a precast beam pre-buried steel sheet angle adjusting device which characterized in that: the steel plate positioning device comprises a pedestal, the position that the pedestal upper surface is located the pre-buried steel sheet of installation set up flutedly, the recess in be equipped with movable steel sheet, the lower surface four corners department of movable steel sheet be connected with the tank bottom of recess through altitude mixture control subassembly respectively to can fix a position the slope of movable steel sheet's longitudinal gradient or horizontal slope under altitude mixture control subassembly's regulation, still fixedly be equipped with the rubber pad at the pedestal upper surface of recess upper port periphery.

2. The angle adjusting device for the pre-buried steel plates of the precast beam according to claim 1, wherein: the height adjusting assembly comprises a first thrust bearing fixedly arranged on the lower surface of the movable steel plate, a hinge lug is fixedly arranged at the lower end of the first thrust bearing, a screw rod longitudinally arranged along the groove bottom is pre-buried in the groove bottom below the hinge lug, the upper end of the screw rod extends out of the upper surface of the groove bottom, and is connected with a sleeve in a threaded manner, the upper end of the sleeve is sealed and fixedly connected with a second thrust bearing on the upper end surface, a hinge block is arranged at the top end of the second thrust bearing and is hinged with the hinge lug through a rotating shaft, and a clamping fixing block is fixedly connected to the outer wall of the sleeve.

3. The angle adjusting device for the pre-buried steel plates of the precast beam according to claim 2, wherein: the middle part of the movable steel plate is provided with an operating hole penetrating through the inside of the groove.

4. The angle adjusting apparatus of a precast beam embedded steel plate according to claim 3, wherein: the side wall of the movable steel plate is also uniformly distributed with a plurality of fixing components for fixing the embedded steel plate.

5. The angle adjusting device for the pre-buried steel plates of the precast beam according to claim 4, wherein: the fixed subassembly include one end and activity steel sheet lateral wall surface welded internal thread sleeve pipe, threaded rod in the internal thread sleeve pipe of spiro union, threaded rod accessible rotation along internal thread sheathed tube axis round trip movement and location, at the top fixedly connected with third thrust bearing of threaded rod, the outside end of third thrust bearing fixed be equipped with splint.

6. The angle adjusting apparatus of a precast beam embedded steel plate according to claim 5, wherein: the outer surface of each side wall of the movable steel plate is provided with a fixing component.

7. The angle adjusting device for the pre-buried steel plates of the precast beam according to claim 6, wherein: the inner side surface of the splint is provided with anti-skid lines.