CN214993205U

CN214993205U - Clamp unit for reinforcing prestressed T beam and construction platform

Info

Publication number: CN214993205U
Application number: CN202120636212.4U
Authority: CN
Inventors: 罗淳; 唐海军; 费克春; 左罗; 赵发平
Original assignee: Sichuan Communications Construction Group Co Ltd
Current assignee: Sichuan Communications Construction Group Co Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-03
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a prestressed T-beam reinforcing clamp unit, which comprises a plurality of clamping components, wherein the clamping components are distributed on a T-beam horse shoe part along the transverse bridge direction and are respectively clamped and fixed on the T-beam horse shoe part where the clamping components are positioned; and a pedal for a worker to stop construction is arranged between the adjacent clamping assemblies. And a construction platform for reinforcing the prestressed T-beam, which is formed by connecting a plurality of groups of clamp units. The utility model discloses a fix the centre gripping subassembly centre gripping on T roof beam horse hoof portion, then set up the footboard between the centre gripping subassembly in order to provide the platform that constructor stopped the construction, reasonable in design, simple structure can effectively carry out the steel construction cross slab reinforcement construction of T roof beam, has reduced the site environment to the influence of construction, and convenient high efficiency is set up to the platform, can shorten construction period by a wide margin to week material is few, has reduced construction cost.

Description

Clamp unit for reinforcing prestressed T beam and construction platform

Technical Field

The utility model relates to a bridge maintenance technical field especially relates to a prestressing force T roof beam consolidates and uses anchor clamps unit and construction platform.

Background

The prestressed concrete T-shaped simply supported girder bridge has the characteristics of light hoisting weight, simple construction and less input equipment, and is widely applied to small and medium-span bridges in the existing roads in China. However, the T-beams are easy to generate fatigue failure under the long-term action of an overloaded vehicle, so that the whole bending resistance and bearing capacity of the bridge are reduced, and because the T-beams are of a prefabricated assembly structure, the diaphragm plates among the T-beams are connected in a mode of welding lower connecting steel plates, at the moment, the lower part of the diaphragm plates is connected under the action of the vehicle load, the outer coating mortar is easy to crack, damage and peel off, so that the connecting steel plates are exposed and rusted, the stress concentration and fatigue failure are easy to occur at welding spots until the welding spots are detached, so that the transverse connection among the T-beams is weakened, the stress condition of each T-beam is worsened, the bridge deck is strong in vibration feeling, and the whole stability of the bridge has a great risk.

When the T-beam bridge has the problems, the T-beam needs to be maintained and reinforced, and the torsional rigidity and the transverse overall stability of the bridge can be obviously improved by additionally arranging the diaphragm plate. However, when the T-shaped beam of the existing bridge is maintained and reinforced, a maintenance platform needs to be built, the conventional maintenance platform is usually constructed by building full supports under the bridge, bridge inspection vehicles are adopted for parts with difficult individual building, but the T-shaped beam bridge needing to be additionally provided with the diaphragm plates basically spans across valleys, the terrain undulation is large, the foundation needs to be treated, the labor and the time are wasted, the construction process and the environment are complex, and the safety of constructors cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a clamp unit for reinforcing a prestressed T-beam and a construction platform, which are convenient and efficient to set up, and reduce the influence of the field environment on the construction.

The utility model discloses a following technical scheme realizes:

a clamp unit for reinforcing a prestressed T-beam comprises a plurality of clamping assemblies, wherein the clamping assemblies are distributed on a T-beam horse shoe part along a transverse bridge direction and are respectively clamped and fixed on the T-beam horse shoe part where the clamping assemblies are located; a pedal for the operator to stop the construction is arranged between the adjacent clamping assemblies.

In one embodiment, the clamping assembly comprises a first clamping arm, a second clamping arm and a connecting arm, the first clamping arm and the second clamping arm are symmetrically arranged on two sides of the U-shaped part of the T-shaped beam in the transverse bridge direction, and the upper end of the first clamping arm and the upper end of the second clamping arm are respectively attached to the inclined surface of the U-shaped part of the T-shaped beam on which the first clamping arm and the second clamping arm are arranged; the connecting arm is connected with the first clamping arm and the second clamping arm in a penetrating mode below the U-shaped portion of the T-shaped beam, and a locking piece used for locking the first clamping arm and the second clamping arm in opposite directions is arranged at one end or two ends of the connecting arm.

In one embodiment, the upper end of the first clamping arm and the upper end of the second clamping arm are bent oppositely, and the bent end of the first clamping arm and the bent end of the second clamping arm are respectively abutted against the inclined plane of the horseshoe part of the T-shaped beam on which the first clamping arm and the second clamping arm are arranged.

In one embodiment, the bending angle of the upper end of the first clamping arm and the bending angle of the upper end of the second clamping arm are the same as the convex angle of the inclined plane of the horseshoe part of the T-shaped beam where the first clamping arm and the second clamping arm are located.

In one embodiment, the connecting arm is disposed proximate to the T-beam clevis.

In one embodiment, the clamp assembly further comprises a support arm disposed vertically between the first clamp arm and the second clamp arm.

In one embodiment, a first lug is arranged at the lower end of the first clamping arm and a second lug is arranged at the lower end of the second clamping arm corresponding to the first lug on the opposite inner sides of the first clamping arm and the second clamping arm, and two ends of the supporting arm are respectively inserted and clamped with the first lug and the second lug.

In one embodiment, the opposite outer sides of the first clamping arm and the second clamping arm are provided with support legs corresponding to the supporting arms, and the pedal is arranged on the support legs.

In one embodiment, the support legs are U-shaped groove members, a connecting rod is arranged between the two clamping assemblies, two ends of the connecting rod are correspondingly clamped in the U-shaped groove members of the two clamping assemblies respectively, and the pedal is arranged on the connecting rod in an overlapping mode.

A construction platform for reinforcing a prestressed T beam comprises a plurality of groups of clamp units in any one of the embodiments, wherein the plurality of groups of clamp units are distributed at intervals along the longitudinal bridge direction, and adjacent clamp units are connected with each other through pedals.

Compared with the prior art, the technical scheme of the utility model following advantage and beneficial effect have at least:

the utility model discloses a fix the centre gripping subassembly centre gripping on T roof beam horse hoof portion, then set up the footboard between the centre gripping subassembly in order to provide the platform that constructor stopped the construction, reasonable in design, simple structure, the steel construction cross slab that can effectively carry out the T roof beam consolidates the construction, has reduced the influence of site environment to the construction, the platform sets up convenient high-efficient, can shorten construction period by a wide margin to week material is few, construction cost is reduced, can provide reference experience for the maintenance reinforcement of bridge of the same kind.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a construction platform for reinforcing a prestressed T-beam provided by an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is an enlarged schematic view of fig. 2 at B.

Icon: 1-gripper unit, 11-gripper assembly, 111-first gripper arm, 112-second gripper arm, 113-connecting arm, 114-locking element, 115-supporting arm, 116-first lug, 117-second lug, 118-foot, 119-rib, 12-connecting rod, 13-pedal, 2-T-beam, 21-horseshoe.

Detailed Description

For making the purpose, technical scheme and advantage of the utility model clearer, will combine below the utility model discloses the drawing in the embodiment is gone on more clearly, describe completely a prestressing force T roof beam consolidates with anchor clamps construction platform. The drawings show preferred embodiments of the prestressed T-beam reinforcement jig construction platform, however, the prestressed T-beam reinforcement jig construction platform can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terms "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, when used in reference to a particular orientation or positional relationship, are used for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

In the description of the present invention, it should be further noted that the terms "disposed," "mounted," "connected," and "connected" used herein should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a prestressed T-beam reinforcement fixture unit, where the fixture unit 1 includes a plurality of clamping assemblies 11, and the plurality of clamping assemblies 11 are distributed on a horse-shoe portion 21 of the T-beam 2 along a transverse bridge direction, and are respectively clamped and fixed on the horse-shoe portion 21 where the clamping assemblies are located; be equipped with footboard 13 between adjacent centre gripping subassembly 11, constructor can maintain or consolidate the construction effectively on footboard 13, has got rid of the constraint of complicated geographical environment, can shorten construction period by a wide margin, reduces the week material, practices thrift the cost.

It can be understood that the clamp units 1 can perform single-row maintenance or reinforcement construction on a bridge in the transverse direction, the number of the clamping assemblies 11 can be selected according to the number of the T-beams 2, each group of the clamp units 1 can be provided with one clamping assembly 11 for each T-beam 2, or can be provided with two clamping assemblies 11 for two adjacent T-beams 2 separately, the clamping assemblies 11 can be stably clamped and fixed on the hoof portions 21 of the T-beams 2, and the construction can be performed by arranging the pedal 13 between the two adjacent clamping assemblies 11; the pedal 13 may be provided by a detachable fixed connection, such as a screw connection, a lap connection, etc.

Further, as shown in fig. 3, the clamping assembly 11 includes a first clamping arm 111, a second clamping arm 112 and a connecting arm 113, the first clamping arm 111 and the second clamping arm 112 are symmetrically disposed on two sides of the hoof 21 of the T-beam 2 in the transverse bridge direction, and the upper end of the first clamping arm 111 and the upper end of the second clamping arm 112 are respectively attached to the inclined surface of the hoof 21 in which the first clamping arm and the second clamping arm are disposed; the connecting arm 113 is arranged below the horseshoe part 21 in a penetrating manner to connect the first clamping arm 111 and the second clamping arm 112, and is preferably arranged close to the horseshoe part 21, so that the compression torque of the first clamping arm 111 and the second clamping arm 112 is shortened, and effective clamping is realized; the both ends of connecting arm 113 pass and stretch out first centre gripping arm 111 and second centre gripping arm 112, are equipped with retaining member 114 respectively at the both ends of connecting arm 113, also can be from taking spacing end (like the head of screw rod) in the one end of connecting arm 113, and the other end sets up retaining member 114, makes first centre gripping arm 111 and second centre gripping arm 112 draw close the locking relatively to through opposite direction operation retaining member 114, firmly the centre gripping in horse hoof portion 21.

In the present embodiment, the upper end of the first clamping arm 111 and the upper end of the second clamping arm 112 are bent toward each other, so that the bent end of the first clamping arm 111 and the bent end of the second clamping arm 112 can abut against the inclined surface of the horseshoe 21 under the action of the locking member 114 and the connecting arm 113, thereby achieving effective clamping. Preferably, the bending angle of the upper end of the first clamping arm 111 and the bending angle of the upper end of the second clamping arm 112 are the same as the protruding angle of the inclined plane of the horseshoe 21 where the first clamping arm 111 and the second clamping arm 112 are located, so that the fitting degree of the inclined planes of the first clamping arm 111 and the second clamping arm 112 and the horseshoe 21 is further improved, the clamping stability is improved, and stable and effective clamping is realized. It will be appreciated that in other embodiments, the clamping may be accomplished by welding an angled surface folded toward the rectangular tube or triangular frame at the upper end of the clamping arm to abut the clevis 21.

Further, as shown in fig. 3, the clamping assembly 11 further includes a supporting arm 115, and the supporting arm 115 is vertically disposed between the first clamping arm 111 and the second clamping arm 112 to improve the bending resistance of the first clamping arm 111 and the second clamping arm 112. In the present embodiment, a pair of lugs, namely, a first lug 116 and a second lug 117, are disposed on opposite inner sides of the first clamping arm 111 and the second clamping arm 112, and two ends of the supporting arm 115 are respectively inserted into and clamped with the first lug 116 and the second lug 117, so that the supporting arm 115 is vertically connected between the first clamping arm 111 and the second clamping arm 112. The insertion and clamping manner can be realized by inwards recessing the end parts of the two ends of the support arm 115, convexly protruding the first lug 116 and the second lug 117 to be inserted into the two ends of the support arm 115, or inwards recessing the end parts of the first lug 116 and the second lug 117, and respectively inserting the two ends of the support arm 115 into the first lug 116 and the second lug 117, so that the purposes of convenient disassembly and assembly and secondary recycling are achieved.

In other embodiments, only one lug may be disposed on any one of the clamping arms, one end of the supporting arm 115 is welded to the clamping arm without the lug, and the other end is correspondingly inserted into the lug, so as to prevent the components from being separated too much during transportation.

In the present embodiment, the first lug 116 and the second lug 117 are respectively disposed at the lower end of the first clamping arm 111 and the lower end of the second clamping arm 112 to move the bending-resistant force point of the first clamping arm 111 and the second clamping arm 112 downward, and can be disposed close to the lower ends of the first clamping arm 111 and the second clamping arm 112 when the pedal 13 is disposed, so as to increase the upper clearance and enlarge the activity space of the constructor.

Further, as shown in fig. 2 and 3, when the pedal 13 is disposed in an overlapping manner, a support leg 118 may be disposed on the outer side of the first clamping arm 111 and the second clamping arm 112 opposite to the support arm 115, and the pedal 13 may be set on the support leg 118. In addition, the rib 119 may be added to the underside of the leg 118 to further increase the supporting force of the leg 118. In this embodiment, the pedal 13 is disposed in a lap joint manner, the supporting legs 118 are U-shaped groove members, the connecting rod 12 is disposed between the two clamping assemblies 11, two ends of the connecting rod 12 are respectively and correspondingly clamped in the U-shaped groove members of the two clamping assemblies 11, the pedal 13 is set on the connecting rod 12, the connecting rod 12 is parallel to the transverse bridge direction, and the connecting rod 12 can provide transverse bending resistance, so that the longitudinal bending resistance of the pedal 13 is enhanced, and the purpose of enhancing the overall safety of the construction platform is achieved.

As shown in fig. 1 and 2, the embodiment of the utility model provides a prestressing force T roof beam 2 consolidates and uses construction platform is still provided, this construction platform includes the anchor clamps unit 1 of the above-mentioned arbitrary embodiment of a plurality of groups, a plurality of anchor clamps unit 1 of group are along vertical bridge to interval distribution, through connecting rod 12 interconnect between the adjacent centre gripping subassembly 11, through footboard 13 interconnect between the adjacent anchor clamps unit 1, form horizontal line, the array construction platform who vertically becomes row, and then realize maintaining or consolidating the construction to the bridge is whole. In this embodiment, first centre gripping arm 111 and second centre gripping arm 112 are the rectangular pipe, and linking arm 113 is the screw rod that excels in, and retaining member 114 is the nut, and support arm 115 is the steel pipe, and first lug 116 and second lug 117 are the round steel, and stabilizer blade 118 is the channel-section steel, and floor 119 is the steel sheet, and connecting rod 12 is the steel pipe, all can adopt ordinary section bar simple processing to make, can assemble out anchor clamps unit 1 and construction platform high-efficiently swiftly, can effectively shorten the time limit for a project, and bridge maintenance reinforcement engineering is accomplished to the high efficiency.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The clamp unit for reinforcing the prestressed T-beam is characterized by comprising a plurality of clamping assemblies, wherein the clamping assemblies are distributed on a T-beam horse shoe part along the transverse bridge direction and are respectively clamped and fixed on the T-beam horse shoe part where the clamping assemblies are located; and a pedal for a worker to stop construction is arranged between the adjacent clamping assemblies.

2. The clamp unit for reinforcing the prestressed T-beam as claimed in claim 1, wherein the clamping assembly comprises a first clamping arm, a second clamping arm and a connecting arm, the first clamping arm and the second clamping arm are symmetrically arranged on two sides of the U-shaped portion of the T-beam in the transverse bridge direction, and the upper end of the first clamping arm and the upper end of the second clamping arm are respectively abutted against the inclined surface of the U-shaped portion of the T-beam on which the first clamping arm and the second clamping arm are arranged; the connecting arm is worn to establish below T roof beam horse shoe portion and is connected first centre gripping arm and second centre gripping arm, in the one end or both ends of connecting arm are equipped with the retaining member that is used for locking first centre gripping arm and second centre gripping arm in opposite directions.

3. The prestressed T-beam reinforcement clamp unit as claimed in claim 2, wherein the upper end of the first holding arm and the upper end of the second holding arm are bent in opposite directions, and the bent end of the first holding arm and the bent end of the second holding arm are respectively abutted against the inclined plane of the horseshoe portion of the T-beam on which they are located.

4. The clamp unit for reinforcing the prestressed T-beam as defined in claim 3, wherein the bending angle of the upper end of said first holding arm and the bending angle of the upper end of said second holding arm are the same as the angle of the inclined plane of the horseshoe portion of the T-beam on which they are located.

5. The clip unit for reinforcing a prestressed T-beam as defined in claim 2, wherein said connecting arm is disposed near said T-beam horseshoe portion.

6. The prestressed T-beam reinforcement clamp unit as defined in any one of claims 2-5, wherein said clamp assembly further comprises a support arm, said support arm being vertically disposed between said first and second clamp arms.

7. The clamp unit for reinforcing the prestressed T-beam as defined in claim 6, wherein a first lug is provided at a lower end of said first holding arm, a second lug is provided at a lower end of said second holding arm corresponding to said first lug, and both ends of said support arm are respectively inserted into and engaged with said first lug and said second lug, respectively, at opposite inner sides of said first holding arm and said second holding arm.

8. The clip unit for reinforcing a prestressed T-beam as claimed in claim 6, wherein said first and second clip arms are provided at opposite outer sides thereof with legs corresponding to said support arms, and said step is placed on said legs.

9. The clamp unit for reinforcing the prestressed T-beam as defined in claim 8, wherein said legs are U-shaped channel members, a connecting rod is disposed between said two clamping members, both ends of said connecting rod are respectively and correspondingly engaged with the U-shaped channel members of said two clamping members, and said pedal is mounted on said connecting rod.

10. A construction platform for reinforcing a prestressed T-beam, comprising a plurality of sets of the jig units as set forth in any one of claims 1 to 9, wherein the plurality of sets of the jig units are spaced apart in a longitudinal bridge direction, and adjacent ones of the jig units are connected to each other by a step.