CN108755426B

CN108755426B - Temporary shaft hinge support for erection construction of straddle type single-track continuous rigid frame track beam body

Info

Publication number: CN108755426B
Application number: CN201810640899.1A
Authority: CN
Inventors: 左振丰; 黄金; 张博; 李哲; 崔志鹏; 张瑞
Original assignee: China Railway No 3 Engineering Group Co Ltd; Huadong Construction Co Ltd of China Railway No 3 Engineering Group Co Ltd
Current assignee: China Railway No 3 Engineering Group Co Ltd; Huadong Construction Co Ltd of China Railway No 3 Engineering Group Co Ltd
Priority date: 2018-06-21
Filing date: 2018-06-21
Publication date: 2020-04-07
Anticipated expiration: 2038-06-21
Also published as: CN108755426A

Abstract

The invention discloses a temporary shaft hinge support for erecting and constructing a straddle type single-track continuous rigid frame track beam body, which is applied to the field of bridge construction, and the technical scheme is as follows: the adjustable bracket comprises an upper seat plate, a lower seat plate and a driving mechanism arranged on the lower seat plate, wherein the lower seat plate is arranged on an adjustable bearing bracket, the upper seat plate is hinged on the lower seat plate through a hinge piece, and one side of the upper seat plate, which is away from the lower seat plate, is abutted against a frame beam U-shaped bracket; a driving mechanism: the hydraulic lifting jack comprises a plurality of hydraulic jacks, one ends of the hydraulic jacks are hinged to the lower seat plate, and the other ends of the hydraulic jacks are abutted to the frame beam U-shaped support; has the technical effects that: the conflict angle of bedplate under the adjustment that can be nimble to solved the inconvenient problem of original design temporary support beam body cross slope inclination regulation, guaranteed track roof beam and erect safety, the quality of construction, and improved the efficiency of construction.

Description

Temporary shaft hinge support for erection construction of straddle type single-track continuous rigid frame track beam body

Technical Field

The invention relates to the field of bridge construction, in particular to a temporary shaft hinge support for erection construction of a straddle type single-track continuous rigid frame track beam body.

Background

At present, in the construction process of a straddle type monorail continuous rigid frame rail beam frame beam, a beam body is usually supported through a temporary support seat of a fixed structure.

The Chinese patent publication No. CN201224868 discloses a spiral jacking type temporary support with a U-shaped beam accurately in place, which comprises a base, a supporting plate, a threaded sleeve and a screw rod, wherein the rotatable threaded sleeve is connected to the upper surface of the base, the screw rod is screwed in the middle of the threaded sleeve, the supporting plate is arranged at the top end of the screw rod, and the base is connected with the threaded sleeve through a bearing; a push rod is fixedly connected outside the threaded sleeve.

However, when the U-shaped beam accurate-positioning spiral jacking type temporary support is used for supporting a U-shaped support of a beam, the elevation, the position and the angle of a beam body cannot be adjusted in all directions, so that the inclination angle of a cross slope of the beam body of the temporary support is inconvenient to adjust.

Disclosure of Invention

The invention aims to provide a temporary shaft hinge support for erection construction of a beam body of a straddle type single-track continuous rigid frame track, which has the advantages that: the conflict angle of bedplate under the adjustment that can be nimble to solved the inconvenient problem of original design temporary support beam body cross slope inclination regulation, guaranteed track roof beam and erect safety, the quality of construction, and improved the efficiency of construction.

The technical purpose of the invention is realized by the following technical scheme: a temporary shaft hinge support for erecting and constructing a straddle type monorail continuous rigid frame track beam body comprises an upper seat plate, a lower seat plate and a driving mechanism arranged on the lower seat plate, wherein the lower seat plate is installed on an adjustable bearing bracket, the upper seat plate is hinged on the lower seat plate through a hinge piece, and one side of the upper seat plate, which is away from the lower seat plate, is abutted against a frame beam U-shaped support; a driving mechanism: the hydraulic lifting jack comprises a plurality of hydraulic jacks, one ends of the hydraulic jacks are hinged to the lower seat plate, and the other ends of the hydraulic jacks are abutted to the frame beam U-shaped support.

Through the technical scheme, when an operator hoists the U-shaped support of the frame beam to a preset position through the crane, the plurality of hydraulic jacks work, piston rods of the hydraulic jacks stretch out and abut against the bottom of the U-shaped support of the frame beam, at the moment, the hydraulic jacks lift the U-shaped support of the frame beam and slowly put down the U-shaped support of the frame beam according to a preset angle until the U-shaped support of the frame beam completely abuts against one side, away from the lower seat plate, of the upper seat plate, and temporary erection of the U-shaped support of the frame beam is completed; because the upper seat plate is hinged with the lower seat plate, the upper seat plate can flexibly adjust the conflict angle, thereby solving the problem that the inclination angle of the beam body of the temporary support in the original design is inconvenient to adjust, ensuring the safety and quality of the construction of the track beam erection and improving the construction efficiency.

The invention is further configured to: the articulated elements are including connecting two articulated slab and articulated shaft in bedplate one side of going up in bedplate orientation down, two all set up the wear to establish the hole that supplies the articulated shaft to pass on the articulated slab, the articulated shaft is connected on last bedplate, the equal threaded connection in both ends that the articulated shaft extends two articulated slabs has first nut.

Through the technical scheme, the upper seat plate can flexibly rotate on the lower seat plate through the hinge shaft; when need dismantle, transport bedplate and bedplate down, the operator unscrews first nut and can takes out the hinge bar to quick convenient the bedplate and the separation of bedplate down will go up. Therefore, the upper seat plate and the lower seat plate are simple to disassemble and assemble, convenient to transport and capable of being repeatedly used.

The invention is further configured to: the hinge joint is characterized in that a rubber sleeve is arranged in the through hole, the outer wall of the hinge shaft is matched with the inner wall of the rubber sleeve, the two ends of the rubber sleeve in the length direction extend out of the through hole and are provided with extending edges, the extending edges are abutted against the outer wall of the hinge plate, and the first nut is embedded in the extending edges.

Through above-mentioned technical scheme, behind the last seat board bearer beam U type support, the articulated shaft is in the rubber sleeve of partial embedding under the effect of pressure, then screws up first nut and makes first nut inlay in extending the limit, and the turning resistance grow between articulated shaft and the rubber sleeve this moment has reduced the articulated shaft pivoted possibility under the exogenic action, has improved the stability of bearing of last seat board to the bearer beam U type support.

The invention is further configured to: the fixed slot has been seted up along the periphery on the pore wall of wearing to establish the hole, be equipped with the fixed strip that extends into in the fixed slot on the outer wall of rubber sleeve.

Through above-mentioned technical scheme, the outer wall of rubber sleeve is inlayed in the fixed slot through the fixed strip to restricted the rotation of rubber sleeve in wearing to establish the downthehole, and then improved the rubber sleeve and worn to establish the connection stability between the hole wall.

The invention is further configured to: one side of the upper seat plate, which is away from the lower seat plate, is provided with a touch plate and an arc plate, the arc plate is connected to the upper seat plate, and one side of the touch plate, which faces the lower seat plate, is provided with a plurality of force dissipating rods connected with the arc plate.

Through above-mentioned technical scheme, the conflict board can be with the effect that frame roof beam U type support is to last bedplate through scattered power pole dispersion on the arc, and the arc is through its unique arcwall face, can be even give the bedplate with power conduction to reduce the bedplate and take place with the too big and condition that production deformation etc. are unfavorable for the construction of the stress of frame roof beam U type support conflict portion.

The invention is further configured to: the protection board is arranged between the touch board and the force dispersing rod, the force dispersing rod is connected to the protection board at one end far away from the arc-shaped board, and the touch board is connected to the protection board through two or more connecting boards.

Through the technical scheme, if an accident happens, the abutting plate is broken under the pressure action of the frame beam U-shaped support, and the protective plate can abut against the frame beam U-shaped support, so that the tip of the upper seat plate, far away from the lower seat plate, is prevented from abutting against the frame beam U-shaped support; the protection shield has played a guard action to the tip that the bedplate kept away from the bedplate down on going up, reduces the possibility that the bedplate was damaged by the pressure of frame roof beam U type support when the unexpected condition takes place.

The invention is further configured to: one end of a piston rod of the hydraulic jack, which is far away from the lower seat plate, is sleeved with a sliding barrel, and a compression spring is arranged between one end of the sliding barrel, which is far away from the lower seat plate, and the piston rod of the hydraulic jack.

Through the technical scheme, when the piston rod of the hydraulic jack is retracted and the upper seat plate is abutted to the frame beam U-shaped support, the sliding barrel can be abutted to the frame beam U-shaped support under the action of the elastic restoring force of the compression spring, so that the effect of auxiliary support is played for the frame beam U-shaped support, the bearing pressure of the upper seat plate is reduced, and the support stability of the frame beam U-shaped support is improved.

The invention is further configured to: one side of the lower base plate facing the upper base plate is provided with a plurality of installation boxes corresponding to the number of the hydraulic jacks, and one ends of the hydraulic jacks are hinged in the installation boxes.

Through above-mentioned technical scheme, the operator can install hydraulic jack on bedplate down through the install bin, when not needing to use, directly with the install bin pull down together with hydraulic jack can, it is convenient, rapid to dismantle to be convenient for operator's transportation and reuse hydraulic jack.

The invention is further configured to: the side wall of the lower seat plate is provided with a plurality of sliding grooves, the bottom of the installation box is provided with a sliding block which is connected in the sliding grooves in a sliding mode, and the installation box is provided with a plurality of locking bolts which are connected on the lower seat plate in a threaded mode.

Through above-mentioned technical scheme, when needing to install the install bin on the bedplate down, the operator can pass through the slider with the install bin and slide into the sliding tray, when the install bin slided to preset position, with the install bin locking on the bedplate down through the locking bolt can, simple to operate, rapid to because the sliding tray has the guide effect to the slider, consequently the installation accuracy of install bin is high.

In conclusion, the invention has the following beneficial effects:

1. the upper seat plate can flexibly adjust the conflict angle, so that the problem that the inclination angle of the cross slope of the temporary support beam body is inconvenient to adjust in the original design is solved, the safety and the quality of track beam erection construction are ensured, and the construction efficiency is improved;

2. the arc passes through its unique arcwall face, can be even give the bedplate with power conduction to reduce the bedplate and take place with the too big and condition that is unfavorable for the construction such as production deformation of the stress of frame roof beam U type support conflict portion.

Drawings

FIG. 1 is a schematic structural view of the present embodiment 1;

fig. 2 is a schematic structural diagram of the embodiment 1 for embodying the hinge;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic structural diagram of the present embodiment 2 for embodying the driving mechanism;

fig. 5 is a schematic structural diagram for embodying the lock bolt in embodiment 2.

Reference numerals: 1. an upper seat plate; 11. a lower seat plate; 13. a drive mechanism; 131. a hydraulic jack; 2. a load-bearing corbel; 21. a bearing frame; 22. a long bolt; 23. a standard hole; 24. a standard bolt; 3. an articulation member; 31. a hinge plate; 32. hinging a shaft; 33. perforating holes; 34. a first nut; 4. a frame beam U-shaped support; 5. a rubber sleeve; 51. edge extension; 52. fixing grooves; 53. a fixing strip; 6. a touch plate; 61. an arc-shaped plate; 62. a force dissipating rod; 63. a protection plate; 64. a connecting rod; 7. a piston rod; 71. a sliding barrel; 72. a compression spring; 73. installing a box; 74. a sliding groove; 75. a slider; 76. locking the bolt; 77. a threaded hole; 8. a beam body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a temporary shaft hinge support for erecting and constructing a beam body of a straddle type single-track continuous rigid frame track comprises an adjustable bearing bracket 2, a lower base plate 11 arranged on the adjustable bearing bracket 2, an upper base plate 1 hinged on the lower base plate 11 through a hinge piece 3 and a driving mechanism 13 arranged on the lower base plate 11, wherein the lower base plate 11 is provided with a bearing support, and the driving mechanism 13 is arranged on the lower base plate 11. The driving mechanism 13 includes a set of hydraulic jacks 131, and the set of hydraulic jacks 131 is provided in two and is symmetrically disposed about the upper seat plate 1. During installation, when an operator firstly hangs the frame beam U-shaped support 4 to a preset position through a crane, at the moment, the group of hydraulic jacks 131 works, the piston rod 7 of the hydraulic jack 131 extends out and is abutted against the bottom of the frame beam U-shaped support 4, then the hydraulic jack 131 jacks the frame beam U-shaped support 4 and slowly puts down the frame beam U-shaped support according to a preset angle until the frame beam U-shaped support 4 is completely abutted against one side of the upper base plate 1, which is deviated from the lower base plate 11, and the temporary erection of the frame beam U-shaped support 4 is completed.

Like fig. 1, adjustable bearing bracket 2 includes bearing frame 21 and long bolt 22, and bearing frame 21 is according to the high demand of construction, through long bolt 22 fixed connection on the roof beam body 8, and a plurality of standard holes 23 have been seted up to bearing frame 21, and bedplate 11 passes through standard bolt 24 fixed connection on bearing frame 21 down, and consequently the installation is dismantled and is all comparatively convenient, nimble bedplate 11 down.

As fig. 1 and 2, the articulated elements 3 include two articulated plates 31 of fixed connection in bedplate 1 one side of bedplate 11 orientation down, wear to establish hole 33 on two articulated plates 31 all, wear to establish and be equipped with rubber sleeve 5 in the hole 33, the outer wall of rubber sleeve 5 has a plurality of fixed strips 53 along the 5 circumference array of rubber sleeve, set up the fixed slot 52 that supplies the fixed strip 53 embedding on the pore wall of wearing to establish hole 33, the fixed strip 53 makes the fixing in wearing to establish hole 33 that rubber sleeve 5 can be stable with the cooperation of fixed slot 52, prevent that rubber sleeve 5 is not hard up. The rubber sleeve 5 is provided with extending edges 51 extending out of the through hole 33 and abutting against the outer wall of the hinge plate 31 at two ends along the length direction.

As shown in fig. 1 and 2, a hinge shaft 32 is provided between the two hinge plates 31, two ends of the hinge shaft 32 respectively penetrate through the two rubber sleeves 5 and extend out of the two hinge plates 31, two ends of the hinge shaft 32 are both in threaded connection with a first nut 34, and the upper seat plate 1 is rotatably connected to the hinge shaft 32. When installing the upper seat plate 1, an operator firstly places the upper seat plate 1 between the two hinged plates 31, then the hinged shaft 32 simultaneously penetrates through the two hinged plates 31 and the upper seat plate 1, at the moment, the outer wall of the hinged shaft 32 is matched with the inner wall of the rubber sleeve 5, and then the two first nuts 34 are screwed at the two ends of the hinged shaft 32 until the two first nuts 34 are embedded in the extending edge 51, so that the hinged shaft 32 is rapidly and conveniently fixed on the two hinged plates 31, and the upper seat plate 1 is stably hinged on the lower seat plate 11. When the reverse operation is carried out, the upper seat plate 1 can be quickly and conveniently detached from the lower seat plate 11, so that the upper seat plate 1 can be conveniently transported and reused.

As fig. 3, one side that upper seat plate 1 deviates from lower seat plate 11 (fig. 1) is equipped with touch panel 6, protection shield 63 and arc 61, arc 61 fixed connection is on upper seat plate 1, protection shield 63 covers and establishes and fixed connection is in the one end that arc 61 deviates from upper seat plate 1, touch panel 6 deviates from one side of arc 61 at protection shield 63 through two connecting plate fixed connection, a plurality of power of loosing poles 62 of fixedly connected with between protection shield 63 and the arc 61, power of loosing pole 62 all sets up along the diameter direction of arc 61. Go up bedplate 1 and bear frame roof beam U type support 4 (fig. 1) time, conflict board 6 is inconsistent with frame roof beam U type support 4 to pass through connecting plate and protection shield 63 with pressure and conduct to scattered power pole 62 on, because scattered power pole 62 sets up along the diameter direction of arc 61, consequently scattered power pole 62 then can be with the even dispersion of power to arc 61 on, thereby produced stress when reducing bedplate 1 and bear frame roof beam U type support 4, improve bedplate 1's stability.

The method comprises the following operation steps: an operator firstly fixedly connects the bearing frame 21 to the beam body 8 through the long bolt 22 according to the requirement of the construction height, then fixedly connects the lower seat plate 11 to the bearing frame 21 through the standard bolt 24, and at the moment, the upper seat plate 1 is hinged on the lower seat plate 11 through the hinge shaft 32.

Then the crane is operated to hang the frame beam U-shaped support 4 to a preset position, at the moment, the hydraulic jack 131 works, the piston rod 7 of the hydraulic jack 131 extends out and is abutted against the bottom of the frame beam U-shaped support 4, then the hydraulic jack 131 jacks the frame beam U-shaped support 4 and slowly puts down the frame beam U-shaped support according to a preset angle until the frame beam U-shaped support 4 is completely abutted against one side of the upper base plate 1, which is deviated from the lower base plate 11, the temporary erection of the frame beam U-shaped support 4 is completed, and an operator can construct the frame beam U-shaped support 4 at the moment. Because the upper seat plate 1 is hinged with the lower seat plate 11, the upper seat plate 1 can flexibly adjust the conflict angle, thereby solving the problem that the inclination angle of the cross slope of the temporary support beam body 8 in the original design is inconvenient to adjust, ensuring the safety and quality of the track beam erection construction and improving the construction efficiency.

Example 2: a temporary shaft hinge support for erection construction of a straddle type single-track continuous rigid frame track beam body is shown in figure 4 and is different from embodiment 1 in that two groups of hydraulic jacks 131 are arranged, and each group of hydraulic jacks 131 is set to be two and is symmetrically arranged relative to an upper seat plate 1 (figure 1). One side of bedplate 1 is equipped with four installation casees 73 corresponding with hydraulic jack 131 quantity down 11, the bottom of installation casees 73 is equipped with two dovetail sliders 75, set up the sliding tray 74 that supplies slider 75 to slide in on the lateral wall of bedplate 11 down, still set up a plurality of screw holes 77 (fig. 5) on bedplate 11 down, the operator slides installation case 73 through slider 75 and connects the back in sliding tray 74, can fix installation case 73 on bedplate 11 down through the locking bolt 76 (fig. 5) of wearing to establish installation case 73, four hydraulic jack 131 articulate respectively in four installation cases 73, because installation case 73 can dismantle, consequently, make hydraulic jack 131's installation and dismantlement all extremely convenient.

As shown in fig. 4, one end of the piston rod 7 of the hydraulic jack 131, which is away from the lower seat plate 11, is sleeved with a sliding barrel 71, a compression spring 72 is arranged between one end of the sliding barrel 71, which is away from the lower seat plate 11, and the piston rod 7 of the hydraulic jack 131, and two ends of the compression spring 72 are respectively and fixedly connected to the sliding barrel 71 and the piston rod 7.

The working process is as follows: when the crane lifts the frame beam U-shaped support 4 to a preset position, an operator controls the hydraulic jacks 131 of each group to synchronously rotate for a preset angle, then the piston rods 7 of the hydraulic jacks 131 extend out and play a supporting role for the frame beam U-shaped support 4, then the piston rods 7 of the hydraulic jacks 131 are slowly retracted until the frame beam U-shaped support 4 is completely abutted to one side of the upper base plate 1 departing from the lower base plate 11, the operator controls the piston rods 7 of the hydraulic jacks 131 to retract a part, at the moment, the sliding cylinders 71 still have the frame beam U-shaped support 4, and play an auxiliary supporting role for the frame beam U-shaped support 4 through the elastic restoring force of the compression springs 72, so that the supporting stability of the frame beam U-shaped support 4 is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a stride a formula single track rigid frame track roof beam body and erect construction temporary axle hinge support which characterized in that: the adjustable-load bracket comprises an upper seat plate (1), a lower seat plate (11) and a driving mechanism (13) arranged on the lower seat plate (11), wherein the lower seat plate (11) is installed on an adjustable load-bearing bracket (2), the upper seat plate (1) is hinged on the lower seat plate (11) through a hinge piece (3), and one side of the upper seat plate (1) departing from the lower seat plate (11) is abutted to a frame beam U-shaped bracket (4);

drive mechanism (13): the lifting device comprises a plurality of hydraulic jacks (131) with one ends hinged on the lower seat plate (11), and the other ends of the hydraulic jacks (131) are abutted against a frame beam U-shaped support (4);

go up bedplate (1) and deviate from one side of lower bedplate (11) and be equipped with touch-sensitive plate (6) and arc (61), arc (61) are connected on last bedplate (1), one side of touch-sensitive plate (6) down bedplate (11) is equipped with a plurality of scattered power pole (62) that link to each other with arc (61) towards.

2. The straddle type monorail continuous rigid frame rail beam body erection construction temporary shaft hinge support seat according to claim 1, is characterized in that: articulated elements (3) are including connecting two articulated slab (31) and articulated shaft (32) of bedplate (1) one side in bedplate (11) orientation down, two all set up on articulated slab (31) and supply wear to establish hole (33) that articulated shaft (32) passed, articulated shaft (32) are connected on last bedplate (1), the equal threaded connection in both ends that articulated shaft (32) extend two articulated slab (31) has first nut (34).

3. The straddle type monorail continuous rigid frame rail beam body erection construction temporary shaft hinge support seat according to claim 2, is characterized in that: be equipped with rubber sleeve (5) in wearing to establish hole (33), the outer wall of articulated shaft (32) cooperatees with the inner wall of rubber sleeve (5), rubber sleeve (5) extend wearing to establish hole (33) and be equipped with along length direction's both ends and prolong limit (51), it is inconsistent with the outer wall of articulated slab (31) to prolong limit (51), first nut (34) are inlayed and are put in prolonging limit (51).

4. The straddle type monorail continuous rigid frame rail beam body erection construction temporary shaft hinge support seat according to claim 3, characterized in that: the hole wall of the through hole (33) is provided with a fixing groove (52) along the periphery, and the outer wall of the rubber sleeve (5) is provided with a fixing strip (53) extending into the fixing groove (52).

5. The straddle type monorail continuous rigid frame rail beam body erection construction temporary shaft hinge support seat according to claim 1, is characterized in that: be equipped with protection shield (63) between touch panel (6) and scattered power pole (62), a plurality of scattered power pole (62) are kept away from the one end of arc (61) and are connected simultaneously on protection shield (63), touch panel (6) are connected on protection shield (63) through two and more connecting plates.

6. The temporary axle hinge support for the erection construction of the straddle-type monorail continuous rigid frame track beam body according to any one of claims 1-5, is characterized in that: one end of a piston rod (7) of the hydraulic jack (131) departing from the lower seat plate (11) is sleeved with a sliding barrel (71), and a compression spring (72) is arranged between one end of the sliding barrel (71) far away from the lower seat plate (11) and the piston rod (7) of the hydraulic jack (131).

7. The straddle type monorail continuous rigid frame rail beam body erection construction temporary shaft hinge support seat according to claim 1, is characterized in that: one side of the lower seat plate (11) facing the upper seat plate (1) is provided with a plurality of installation boxes (73) corresponding to the number of the hydraulic jacks (131), and one end of each hydraulic jack (131) is hinged in each installation box (73).

8. The straddle type monorail continuous rigid frame rail beam body erection construction temporary shaft hinge support seat according to claim 7, is characterized in that: a plurality of sliding grooves (74) are formed in the side wall of the lower seat plate (11), a sliding block (75) which is connected into the sliding grooves (74) in a sliding mode is arranged at the bottom of the installation box (73), and a plurality of locking bolts (76) which are connected onto the lower seat plate (11) in a threaded mode are arranged on the installation box (73).