CN208219423U - Beam slab tensioning bracket - Google Patents

Abstract

The utility model provides a kind of beam slab tensioning bracket, belong to highway engineering construction equipment technical field, including pedestal, the upending frame in portion on the base is set, mobilizable moved cross beam being arranged on the upending frame, it is arranged on the moved cross beam and can be along the movable Removable hook of moved cross beam length direction, it is arranged on the Removable hook for lifting the chain block of the jack, and it is arranged between the upending frame and the pedestal for adjusting the lifting device of the substructure height, beam slab tensioning bracket provided by the utility model, safety cramp ring is arranged between Removable hook and chain block keeps the fixation between chain block and Removable hook stronger, and lifting device is set between upending frame and pedestal, beam slab tensioning bracket is set to can conveniently adjust the height of upending frame, make the utility model It is more convenient to use.

Description

Beam slab tensioning bracket

Technical field

The utility model belongs to highway engineering construction equipment technical field, is to be related to a kind of beam slab tensioning more specifically Bracket.

Background technique

Currently, prestress wire tensioning is one of pass in highway bridge post stressed concrete work progress Key process, it directly affects the tensioning quality of precast beam.And in the stretching process of precast beam, jack it is accurate in place Jack is suspended in operating position using tensioning bracket mostly in construction and come in fact by the quality and efficiency that will have a direct impact on tensioning The tensioning of precast beam is applied, and whether jack is in place accurate, key is prestressed stretch-draw bracket, but existing at present Tensioning bracket mostly uses steel pipe temporary weld to form, and for the beam slab of different height, needs to remake the bracket of respective heights, Height adjustment cannot be carried out according to the height of construction beam slab, cause a large amount of waste of material.

Utility model content

The purpose of this utility model is to provide a kind of beam slab tensioning brackets, it is intended to which existing beam slab tensioning bracket cannot root The problem of carrying out height adjustment according to Construction Condition.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of beam slab tensioning bracket, including bottom The upending frame in portion, mobilizable be arranged on the upending frame are used to lift the jack on the base for seat, setting Moved cross beam, be arranged on the moved cross beam and can along the movable Removable hook of the moved cross beam length direction, set It sets on the Removable hook for lifting the chain block of the jack and for connecting the upending frame and the bottom The lifting device of seat and the height for adjusting the pedestal.

Further, the lifting device includes fixed bottom plate on the base, is installed in the upending frame Lower part upper mounted plate, be arranged between fixed plate and the bottom plate for holding up and put down fixed The support arm group of plate and hydraulic cylinder for driving support arm group movement.

Further, it is arranged in parallel and for installing the moved cross beam that two are provided on the upending frame One guide rail, the moved cross beam are vertically arranged with first guide rail, are installed with and are arranged described first on the moved cross beam And it can be along movable first idler wheel in first rail length direction in guide rail.

Further, it is provided on the moved cross beam and is arranged along the moved cross beam length direction for fixing the work Be installed on second guide rail of dynamic hook, the Removable hook for convenient for the Removable hook it is mobile and can be along described the The second idler wheel that two rail length directions roll and the link block being arranged between the Removable hook and second idler wheel, institute It states the second idler wheel to be spindle rotationally arranged on the link block, the bottom of the link block is arranged in the Removable hook.

Further, it is additionally provided between the link block and second guide rail for preventing second idler wheel in institute It states Removable hook and lifts arrestment mechanism mobile when the jack.

Further, the arrestment mechanism includes being distributed along second rail length direction and leading with described second The vertically disposed detent recess of rail length direction, the elastic component being arranged between the link block and second idler wheel and Brake(-holder) block on the link block for being adapted to the detent recess is set.

Further, it is additionally provided between the Removable hook and the chain block for fixing the chain block Safety cramp ring.

Further, the safety cramp ring includes that ring body, the handle hinged with one end of the ring body and the handle are cut with scissors The retaining ring connect, the other end of the ring body are additionally provided with the locking bail for connecting and fixing with the retaining ring.

Further, the end of the handle is additionally provided with locking pivot pin, be additionally provided on the locking pivot pin with it is described The hinged locking axle sleeve of pivot pin is locked, the locking axle sleeve is additionally provided with the lock sheet for fixing the handling position.

Further, the lock sheet is the laminated structure for the major arc type that cross section is greater than semicircle in arc length, the locking The inside diameter of piece is adapted to the ring body with the diameter of the lock sheet contact position.

The beneficial effect of beam slab tensioning bracket provided by the utility model is: compared with prior art, the utility model Beam slab tensioning bracket, by the way that mobilizable moved cross beam is arranged on upending frame, and on moved cross beam, setting can be along the work The mobile Removable hook of dynamic crossbeam length direction, and the chain block due to lifting jack is set on Removable hook, make thousand Jin top can be adjusted in a plurality of directions, easily facilitate the adjusting to jack position, set between upending frame and pedestal Lifting device is set, so that beam slab tensioning bracket is facilitated the height for adjusting upending frame according to condition of construction, makes the utility model It is more convenient to use.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is the structural schematic diagram of beam slab tensioning bracket provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of arrestment mechanism used by the utility model embodiment；

Fig. 3 is the structural schematic diagram of safety cramp ring used by the utility model embodiment；

Fig. 4 is the structural schematic diagram of handle used by the utility model embodiment.

In figure: 1, pedestal；2, upending frame；201, the first guide rail；3, safety cramp ring；301, ring body；302, handle；303, it locks Tight ring；304, lock sheet；305, locking axle sleeve；306, pivot pin is locked；307, locking bail；4, moved cross beam；401, the first idler wheel； 402, the second guide rail；5, Removable hook；501, the second idler wheel；502, link block；6, chain block；7, lifting device；701, on Fixed plate；702, bottom plate；703, support arm group；704, hydraulic cylinder；8, arrestment mechanism；801, detent recess；802, it brakes Piece；803, elastic component；9, universal wheel.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

Also referring to Fig. 1, now beam slab tensioning bracket provided by the utility model is illustrated.Beam slab tensioning bracket, Including pedestal 1, upending frame 2 that 1 top of pedestal is set, it is mobilizable be arranged on upending frame 2 for lifting jack Moved cross beam 4, be arranged on moved cross beam 4 and can along the movable Removable hook 5 of 4 length direction of moved cross beam, be arranged in work For lifting the chain block 6 of jack and for connecting upending frame 2 and pedestal 1 and for adjustment base 1 on dynamic hook 5 The lifting device 7 of height.

Beam slab tensioning bracket provided by the utility model, compared with prior art, the utility model beam slab tensioning bracket leads to It crosses on upending frame 2 and mobilizable moved cross beam 4 is set, and setting can be along the 4 length side of moved cross beam on moved cross beam 4 The chain block 6 due to lifting jack is set to mobile Removable hook 5, and on Removable hook 5, jack is allow to exist It is adjusted in multiple directions, easily facilitates the adjusting to jack position, and lifting is set between upending frame 2 and pedestal 1 Device 7 allows beam slab tensioning bracket to facilitate the height for adjusting upending frame 2 according to condition of construction, makes the use of the utility model It is more convenient.

Further, a kind of specific implementation also referring to Fig. 1, as beam slab tensioning bracket provided by the utility model Mode, lifting device 7 include the bottom plate 702 being fixed on pedestal 1, the upper mounted plate for the lower part for being installed in upending frame 2 701, it is arranged between upper mounted plate 701 and bottom plate 702 for holding up and putting down the support arm group 703 of upper mounted plate 701 And the hydraulic cylinder 704 for driving support arm group 703 to move, support arm group 703 is by the driving of hydraulic cylinder 704 by upper mounted plate 701 jack up and put down, and support arm group is scissor lift arm group, and support arm group 703 includes several is arranged in upper mounted plate 701 under The folding rod of the setting that intersects two-by-two between fixed plate 702, folding rod are hinged in its infall, one end of folding rod Portion and bottom plate 702 are hinged, and the other end of folding rod and the end of another folding rod are hinged, and the movable end of hydraulic cylinder 704 is set It sets in the junction of support arm group 703 and upper mounted plate 701, the fixing end of hydraulic cylinder 704 is spindle rotationally arranged in support arm group 703 adopt the structure simple easy to use with the junction of bottom plate 702, lifting device 7, and it is practical new to save this The occupied space of type.

Further, referring to Fig. 1, a kind of specific embodiment party as beam slab tensioning bracket provided by the utility model Formula is provided with two the first guide rails 201 that are arranged in parallel and being used for installation activity crossbeam 4, moved cross beam 4 on upending frame 2 It is vertically arranged with the first guide rail 201, is installed with and is arranged in the first guide rail 201 and can be along the first guide rail 201 on moved cross beam 4 Movable first idler wheel 401 of length direction, two first guide rails 201 are that cross section is U-shaped channel steel production, two first guide rails 201 Oral area be oppositely arranged, be provided on moved cross beam 4 in the first guide rail 201 and can be living along 201 length direction of the first guide rail The first dynamic idler wheel 401 keeps the movement in the first guide rail 201 of moved cross beam 4 more convenient, easily facilitates and carrying out tensioning To the adjustment of 4 position of moved cross beam when operation.

Further, Fig. 1 and Fig. 2 is please referred to, a kind of specific reality as beam slab tensioning bracket provided by the utility model Mode is applied, the second guide rail being arranged along 4 length direction of moved cross beam for fixing Removable hook 5 is provided on moved cross beam 4 402, be installed on Removable hook 5 for convenient for Removable hook 5 it is mobile and can be rolled along 402 length direction of the second guide rail Second idler wheel 501 and the link block 502 being arranged between Removable hook 5 and the second idler wheel 501, the second idler wheel 501 are rotatable It is arranged on link block 502, the bottom of link block 502 is arranged in Removable hook 5, and Removable hook 5, which adopts the structure, makes activity Hook 5 is mobile more convenient reliable on moved cross beam 4, makes the more convenient to use of the utility model.

Further, referring to Fig. 2, a kind of specific embodiment party as beam slab tensioning bracket provided by the utility model Formula is additionally provided with for preventing the second idler wheel 501 from lifting jack in Removable hook 5 between link block 502 and the second guide rail 402 The arrestment mechanism 8 of Shi Yidong, the setting of arrestment mechanism 8 prevent jack lifting during action roller in the second guide rail It is moved in 402, keeps the use of the utility model more safe and reliable.

Further, referring to Fig. 2, a kind of specific embodiment party as beam slab tensioning bracket provided by the utility model Formula, arrestment mechanism 8 include being distributed along 402 length direction of the second guide rail and being vertically arranged with 402 length direction of the second guide rail Detent recess 801, the elastic component 803 that is arranged between link block 502 and the second idler wheel 501 and be arranged in link block 502 On brake(-holder) block 802 for being adapted to detent recess 801, when Removable hook 5 is in as weight bearing situations, 803 companies of elastic component Block 502 is connect to bounce, link block 502 drives the brake(-holder) block 802 being arranged on link block 502 to deviate from out of detent recess 801 at this time, It is that the second idler wheel 501 can be move freely in the second guide rail 402, when Removable hook 5 is when lifting jack, thousand Elastic component 803 is compressed under the action of the gravity on jin top, moves downward link block 502, link block 502 drives brake(-holder) block at this time 802 are inserted downwardly into detent recess 801, prevent the second idler wheel 501 from moving freely in the second guide rail 402, arrestment mechanism 8 It adopts the structure simply, cost of manufacture easy to use is cheap.

Further, Fig. 1 and Fig. 3 is please referred to, is additionally provided between Removable hook 5 and chain block 6 and is pulled for fixation The safety cramp ring 3 of cucurbit 6, safety cramp ring 3, which is arranged, between Removable hook 5 and chain block 6 makes chain block 6 and Removable hook Fixation between 5 is stronger, while keeping the fixation between chain block 6 and Removable hook 5 more quick, makes the utility model Use it is more safe and reliable.

Further, Fig. 3 and Fig. 4 is please referred to, a kind of specific reality as beam slab tensioning bracket provided by the utility model Mode is applied, safety cramp ring 3 includes ring body 301, the handle 302 hinged with one end of ring body 301 and the hinged locking of handle 302 Ring 303, the other end of ring body 301 are additionally provided with the locking bail 307 for connecting and fixing with retaining ring 303, and safety cramp ring uses Such structure keeps the fixation between chain block and Removable hook stronger, while making between chain block 6 and Removable hook 5 Fixation it is more quick, make the utility model use it is more safe and reliable.

Further, Fig. 3 and Fig. 4 is please referred to, a kind of specific reality as beam slab tensioning bracket provided by the utility model Mode is applied, the end of handle 302 is additionally provided with locking pivot pin 306, locks to be additionally provided on pivot pin 306 and cut with scissors with locking pivot pin 306 The locking axle sleeve 305 connect is additionally provided with the lock sheet 304 for fixing 302 position of handle on locking axle sleeve 305.In safety Retaining ring 3 in use, retaining ring 303 is caught in locking bail 311, at this moment handle 302 be in 301 fit-state of ring body, pass through The lock sheet 304 being rotatably provided on locking pivot pin 306, lock sheet 304 is installed on handle 302 and ring body in ring body 301 301 are fixed together, and avoid handle 302 due to being opened by external force, cause security risk.

Further, referring to Fig. 3, a kind of specific embodiment party as beam slab tensioning bracket provided by the utility model Formula, lock sheet 304 are laminated structure of the cross section in the long major arc type for being greater than semicircle of circular arc, the inside diameter of lock sheet 304 with Ring body 301 is adapted to the diameter of 304 contact position of lock sheet, lock sheet 304 using this structure can preferably with ring body 301 shapes are adapted, and keep lock sheet 304 and the fixation of ring body 301 stronger, keep the use of the utility model safer.

Further, referring to Fig. 1, a kind of specific embodiment party as beam slab tensioning bracket provided by the utility model Formula is additionally provided on the bottom surface of pedestal 1 for the universal wheel 9 mobile convenient for pedestal 1, and the setting of universal wheel 9 makes the movement of pedestal 1 It is more convenient, make the more convenient to use of the utility model.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of beam slab tensioning bracket, for lifting jack, it is characterised in that: including pedestal, portion on the base is arranged Upending frame, it is mobilizable be arranged on the upending frame for lift the jack moved cross beam, be arranged described It can be used on moved cross beam and on the Removable hook along the movable Removable hook of the moved cross beam length direction, setting Lift the chain block of the jack and for connecting the upending frame and the pedestal and for adjusting the substructure height Lifting device.

2. beam slab tensioning bracket as described in claim 1, it is characterised in that: the lifting device includes being fixed on the pedestal On bottom plate, be installed in the upending frame lower part upper mounted plate, be arranged in fixed plate and the lower fixation Hydraulic cylinder between plate for holding up and putting down the support arm group of fixed plate and for driving the support arm group movement.

3. beam slab tensioning bracket as described in claim 1, it is characterised in that: be provided with two on the upending frame and be parallel to each other and set The first guide rail of the moved cross beam is set and is used to install, the moved cross beam is vertically arranged with first guide rail, described It is provided with and is arranged in first guide rail and can be along first rail length direction movable on moved cross beam One idler wheel.

4. beam slab tensioning bracket as claimed in claim 3, it is characterised in that: be provided on the moved cross beam along the activity Crossbeam length direction is arranged the second guide rail for fixing the Removable hook, is installed on the Removable hook for convenient for institute State Removable hook it is mobile and can be hung along the second idler wheel and setting that second rail length direction rolls in the activity Link block between hook and second idler wheel, second idler wheel are spindle rotationally arranged on the link block, the activity The bottom of the link block is arranged in hook.

5. beam slab tensioning bracket as claimed in claim 4, it is characterised in that: between the link block and second guide rail also It is provided with the arrestment mechanism for preventing second idler wheel mobile when the Removable hook lifts the jack.

6. beam slab tensioning bracket as claimed in claim 5, it is characterised in that: the arrestment mechanism includes along second guide rail Length direction be distributed and with the vertically disposed detent recess in second rail length direction, setting the link block with Elastic component between second idler wheel and the braking on the link block for being adapted to the detent recess is set Piece.

7. beam slab tensioning bracket as described in claim 1, it is characterised in that: between the Removable hook and the chain block It is additionally provided with the safety cramp ring for fixing the chain block.

8. beam slab tensioning bracket as claimed in claim 7, it is characterised in that: the safety cramp ring includes ring body and the ring The hinged handle in one end of body, with the hinged retaining ring of the handle, the other end of the ring body be additionally provided with for it is described The locking bail that retaining ring connects and fixes.

9. beam slab tensioning bracket as claimed in claim 8, it is characterised in that: the end of the handle is additionally provided with lock shaft Pin, described lock are additionally provided with the locking axle sleeve hinged with the locking pivot pin on pivot pin, the locking axle sleeve is additionally provided with For fixing the lock sheet of the handling position.

10. beam slab tensioning bracket as claimed in claim 9, it is characterised in that: the lock sheet is that cross section is greater than in arc length The laminated structure of the major arc type of semicircle, the diameter of the inside diameter of the lock sheet and the ring body and the lock sheet contact position Size adaptation.