CN216129990U

CN216129990U - Steel trestle platform

Info

Publication number: CN216129990U
Application number: CN202122691541.1U
Authority: CN
Inventors: 李亚勇; 秦宗琛; 戴亦军; 张斌; 谭芝文; 陈灯强; 王蓬; 李仁杰
Original assignee: China Construction Tunnel Construction Co Ltd
Current assignee: China Construction Tunnel Construction Co Ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-25
Anticipated expiration: 2031-11-02

Abstract

The utility model provides a steel trestle platform, which comprises: the steel trestle is provided with a crane, and the crane is hoisted with a pile foundation through a steel wire rope; the positioning frame is connected with one end of the steel trestle; the positioning device is slidably arranged on the positioning frame and clamps the pile foundations and is used for positioning the plurality of pile foundations simultaneously; the angle of the connecting line of the multiple pile foundations relative to the steel trestle is variable. Compared with the prior art, the angle of the pile foundations which are arranged in rows relative to the steel trestle is changed through the positioning device, so that the bent construction of the steel trestle is realized, and compared with the traditional manual angle adjustment, the angle adjustment device is higher in efficiency, higher in accuracy and higher in applicability.

Description

Steel trestle platform

Technical Field

The utility model relates to the technical field of building construction, in particular to a steel trestle platform.

Background

The steel trestle is the first-selected auxiliary engineering of bridge construction, and in the bridge construction process, the important functions of concrete, reinforcing steel bars and personnel upper and lower channels are born.

The construction of the steel trestle needs to meet various construction standard specifications, and the pile foundation position is strictly set according to the design so as to meet the construction requirement; this involves pile foundation positioning. In the prior art, pile foundation positioning is usually completed by matching two groups of personnel, wherein one group of personnel is positioned on a positioning frame at the front end of a semi-finished steel trestle, and the other group of personnel is positioned on a piling ship on water; the process usually employs some electronic devices for positioning; however, a group of workers on the water often face severe weather, the ship fluctuates, the positioning device deviates, and the pile foundation positioning effect is greatly reduced. Patent CN202020518978.8 discloses a beret steel trestle pile foundation construction location leading truck structure can accomplish the pile foundation location on the steel trestle, but this kind of guide structure can only follow steel trestle length direction and feed, and the pile foundation of its location is integrative vertical after follow-up laying steel trestle and the former steel trestle connection, can't deal with the condition complicated a little, can't build the steel trestle that has bending amplitude, and the suitability is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a steel trestle platform, which is used for improving the applicability of a positioning guide structure during the construction of a steel trestle.

The utility model provides a steel trestle platform, which comprises:

the steel trestle is provided with a crane, and the crane is hoisted with a pile foundation through a steel wire rope;

the positioning frame is connected with one end of the steel trestle;

the positioning device is slidably arranged on the positioning frame and clamps the pile foundations and is used for positioning the plurality of pile foundations simultaneously;

the angle of the connecting line of the multiple pile foundations relative to the steel trestle is variable.

Compared with the prior art, the utility model has the following beneficial effects:

in the technology of the utility model, the angle of the plurality of pile foundations in the row relative to the steel trestle is changed through the positioning device so as to realize the bending construction of the steel trestle, and compared with the traditional manual angle adjustment, the angle adjustment method has the advantages of higher efficiency, higher accuracy and enhanced applicability.

Preferably, the positioning device comprises:

the sliding positioning mechanism is arranged on the positioning frame in a sliding manner, and a positioning component which can be arranged at a changeable angle is arranged in the sliding positioning mechanism;

wherein, the positioning component comprises a plurality of positioning rings; the two sides of each positioning circular ring are connected with connecting rods, and the plurality of positioning circular rings are connected in series through the connecting rods.

Preferably, the slide positioning mechanism comprises:

the two sliding seats are arranged on the positioning frame in parallel and are provided with a plurality of arrangement holes arranged in rows;

two positioning rings are arranged and are respectively connected with the connecting rods on the two sides of the positioning assembly;

wherein, the positioning rod is rotatably connected below the positioning ring and inserted in the mounting hole; and a locking assembly for locking the positioning rod is arranged on the sliding seat.

Preferably, the retaining ring comprises:

the semicircular buckles are provided with two and one ends of the two semicircular buckles are hinged at one position;

the other ends of the two semicircular buckles far away from the hinged position are both connected with an outward-extending perforated fixing plate; the two perforated fixing plates are connected through bolts; the lower end of the semicircular buckle is provided with a rotating hole, a rotating bearing is connected in the rotating hole, and the rotating bearing is coaxially sleeved on the positioning rod.

Preferably, the two sides of the sliding seat are provided with through locking holes corresponding to each mounting hole; the two locking holes are communicated with the placing hole; the lower end of the positioning rod is provided with a through matching hole; the matching hole and the locking hole are coaxial;

the locking subassembly includes the locking bolt, and the locking bolt passes through the locking hole along the unilateral and wears out and be connected with the nut from the locking hole of opposite side behind the mating holes.

Preferably, each sliding seat is provided with a driving hole penetrating along the sliding direction; the slide positioning mechanism further comprises:

two driving shafts are arranged, and each driving shaft is in threaded connection with the corresponding driving hole;

the motor is provided with two motors, and the rotating shaft of each motor is fixedly connected with the corresponding driving shaft in a coaxial line mode.

Preferably, the sliding positioning mechanisms are provided in two sets and are arranged up and down.

Drawings

Fig. 1 is a schematic construction diagram of a steel trestle platform according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram (a set of slide positioning mechanisms) of a steel trestle platform of FIG. 1;

FIG. 3 is a schematic view of a retaining ring of the steel trestle platform of FIG. 2;

FIG. 4 is a schematic view of a positioning ring and a sliding seat of the steel trestle platform shown in FIG. 2;

FIG. 5 is a right side view of a steel trestle platform of FIG. 2 (two sets of slide positioning mechanisms);

fig. 6 is a top view of a steel trestle platform of fig. 5.

The reference numbers illustrate:

1. a steel trestle; 11. hoisting a machine; 12. a pile foundation;

2. a positioning frame;

3. a positioning device; 31. a slide positioning mechanism; 311. a positioning assembly; 311a, a positioning ring; 311b, a connecting rod; 312. a sliding seat; 312a, a placing hole; 312b, a locking hole; 313. a positioning ring; 313a, a semicircular buckle; 313b, an opening fixing plate; 314. positioning a rod; 314a, a mating hole; 315. locking the bolt; 316. a drive shaft; 317. an electric motor.

Detailed Description

In order to make the objects, technical solutions and beneficial effects of the present invention more clearly apparent, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 6, a steel trestle 1 platform includes: the steel trestle 1 is provided with a crane 11, and a pile foundation 12 is hoisted on the crane 11 through a steel wire rope; the positioning frame 2 is connected with one end of the steel trestle 1; the positioning device 3 is slidably arranged on the positioning frame 2 and is used for clamping the pile foundation 12 and positioning a plurality of pile foundations 12 at the same time; wherein, the connection line of a plurality of pile foundations 12 has variable angle relative to the steel trestle 1.

Traditional pile foundation 12 location all is once, adopts this device to carry out pile foundation 12 location, and pile foundation 12 clamping position that positioner 3 corresponds can angle of adjustment for whole steel trestle 1 relatively, hoists many pile foundations 12 to positioner 3 in, the river bottom is inserted to the one end of pile foundation 12, and the other end is held stably by 3 clamping of positioner. The crane 11 hoists the pile foundations 12 into the positioning device 3 one by one, and the positioning device 3 is positioned; the pile foundations 12 in the whole row form a certain angle with the steel trestle 1, so that the steel trestle 1 is not required to be erected linearly, and the bridge body can be bent.

Further, the positioning device 3 includes: the sliding positioning mechanism 31 is slidably arranged on the positioning frame 2, and a positioning component 311 which can be arranged at a changeable angle is arranged in the sliding positioning mechanism; the positioning assembly 311 includes a plurality of positioning rings 311 a; each positioning ring 311a has a connecting rod 311b connected to both sides thereof, and the positioning rings 311a are connected in series by the connecting rods 311 b.

The positioning component 311 is relative to the steel trestle 1, the connecting rod 311b in the positioning component has the same axis, the axis of the connecting rod 311b is parallel to the construction end face of the steel trestle 1, the pile foundations 12 in rows in the positioning ring 311a are parallel to the end face of the steel trestle 1, and the laid steel trestle 1 is linear; when the steel trestle 1 is required to be bent, the positioning component 311 and the construction end face of the steel trestle 1 form a certain angle and are obliquely arranged.

Further, the slide positioning mechanism 31 includes: the sliding seats 312 are provided with two sliding seats which are arranged on the positioning frame 2 in parallel, and are provided with a plurality of arrangement holes 312a arranged in a row; two positioning rings 313 are arranged and are respectively connected with the connecting rods 311b at the two sides of the positioning component 311; wherein, the positioning rod 314 is rotatably connected under the positioning ring 313, and the positioning rod 314 is inserted in the placing hole 312 a; the sliding seat 312 is provided with a locking assembly for locking the positioning rod 314.

The lower end of the sliding seat 312 is provided with a dovetail groove, a dovetail block is arranged on the positioning frame 2 corresponding to the dovetail groove, and the dovetail groove and the dovetail block are in sliding fit to enable the sliding seat 312 to slide. When the angle of the positioning assembly 311 relative to the steel trestle 1 needs to be changed, the positioning rods 314 on both sides of the positioning assembly 311 are inserted into different arrangement holes 312a on the sliding seats 312, so that the positioning assembly 311 can be arranged in parallel or obliquely relative to the steel trestle 1.

Further, the retaining ring 313 includes: the semicircular buckles 313a are provided with two and one ends of the two semicircular buckles 313a are hinged at one position; the other ends of the two semicircular buckles 313a far away from the hinged part are connected with an outward-extending perforated fixing plate 313 b; the two perforated fixing plates 313b are connected by bolts; the lower end of the semicircular buckle 313a is provided with a rotating hole, a rotating bearing is connected in the rotating hole, and the rotating bearing is coaxially sleeved on the positioning rod 314.

The connecting rods 311b at both sides of the positioning assembly 311 are placed between the two semicircular buckles 313a and fastened by bolts. The length of the connecting rod 311b at both sides of the positioning component 311 is longer, so that the connecting rod can be connected with the semicircular buckle 313a when the connecting rod is obliquely placed.

Furthermore, through locking holes 312b are formed in the two sides of the sliding seat 312 corresponding to each placement hole 312 a; the two locking holes 312b are communicated with the placement hole 312 a; the lower end of the positioning rod 314 is provided with a through matching hole 314 a; the fitting hole 314a and the locking hole 312b are coaxial;

the locking assembly comprises a locking bolt 315, and the locking bolt 315 passes through the locking hole 312b along one side, passes through the matching hole 314a, passes out of the locking hole 312b on the other side and is connected with the nut.

Further, each sliding seat 312 is provided with a driving hole penetrating along the sliding direction; the slide positioning mechanism 31 further includes: two driving shafts 316 are provided, and each driving shaft 316 is in threaded connection with a corresponding driving hole; two motors 317 are arranged, and the rotating shaft of each motor 317 is coaxially and fixedly connected with the corresponding driving shaft 316.

The sliding seat 312 is driven by the motor 317 to slide, so that the positioning assembly 311 reaches a proper position, and the crane 11 puts down the pile foundation 12 from the positioning ring 311a until the pile foundation 12 enters water; crane 11 repeatedly hangs and gets pile foundation 12 and accomplishes the operation, can obtain in bank pile foundation 12, beats a plurality of pile foundations 12 simultaneously, compares in the installation of single pile foundation 12 of tradition, and efficiency is higher. At the same time, the bolts of the semicircular buckle 313a are temporarily released, and the inclination degree of the positioning component 311 can be adjusted by controlling the rotation of the different motors 317, so that the crane 11 is necessary to hang the pile foundation 12, and the pressure of the positioning component 311 is reduced.

Further, the slide positioning mechanism 31 is provided in two sets and arranged up and down.

When the positioning assemblies 311 of the two sets of sliding positioning mechanisms 31 are overlapped in the vertical direction, the pile foundation 12 passes through the positioning circular rings 311a of the two sets of positioning assemblies 311, so that the shaking of the pile foundation 12 can be reduced; in addition, the position of the positioning component 311 in the upper and lower sets of sliding positioning mechanisms 31 can be adjusted, so that the angle of the pile foundation 12 is slightly inclined from vertical, a fine adjustment effect is achieved, and positioning is facilitated. In addition, the dislocation of the positioning components 311 of the two sets of sliding positioning mechanisms 31 can increase the number of the pile foundations 12 positioned at the same time so as to deal with the situation that the multiple pile foundations 12 need to be positioned.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. a steel trestle platform, is characterized in that, comprises:

A steel trestle with a crane on it, and the pile foundation is hoisted by a wire rope on the crane;

The positioning frame is connected with one end of the steel trestle;

The positioning device is slidably installed on the positioning frame and clamps the pile foundation for positioning multiple pile foundations at the same time;

Among them, the connecting lines of the multiple pile foundations have a variable angle relative to the steel trestle.

2. a kind of steel trestle platform as claimed in claim 1 is characterized in that, positioning device comprises:

The sliding positioning mechanism is slidably installed on the positioning frame, and a positioning component that can be installed at a changeable angle is arranged in it;

The positioning assembly includes multiple positioning rings; connecting rods are connected on both sides of each positioning ring, and the multiple positioning rings are connected in series through the connecting rods.

3. a kind of steel trestle platform as claimed in claim 2 is characterized in that, sliding positioning mechanism also comprises:

The sliding seat is provided with two and installed on the positioning frame in parallel with each other, and a plurality of placement holes arranged in a row are opened on each of them;

There are two positioning rings, which are respectively connected with the connecting rods on both sides of the positioning assembly;

Wherein, a positioning rod is rotatably connected under the positioning ring, and the positioning rod is inserted in the placement hole; the sliding seat is provided with a locking component for locking the positioning rod.

4. a kind of steel trestle platform as claimed in claim 3 is characterized in that, the positioning ring comprises:

A half-circle buckle is provided with two and one end of the two half-circle buckles is hinged at one place;

The other ends of the two semi-circular buckles away from the hinge are connected with an overhanging opening fixing plate; the two opening fixing plates are connected by bolts; the lower end of one of the semi-circular buckles is provided with a rotating hole, and the rotating hole is connected with a rotating hole. The bearing, the rotating bearing is coaxially sleeved on the positioning rod.

5. A kind of steel trestle platform as claimed in claim 4, it is characterized in that, the two sides of the sliding seat are provided with a through locking hole corresponding to each placement hole; the two locking holes are communicated with the placement hole; The lower end of the rod is provided with a penetrating matching hole; the matching hole and the locking hole are coaxial;

The locking assembly includes a locking bolt, the locking bolt passes through the matching hole along the locking hole on one side and then passes through the locking hole on the other side and is connected with the nut.

6. The steel trestle platform according to any one of claims 3-5, wherein each sliding seat is provided with a drive hole that penetrates through the sliding direction; the sliding positioning mechanism further comprises:

There are two drive shafts, and each drive shaft is threadedly connected with the corresponding drive hole;

There are two motors, and the rotating shaft of each motor is fixedly connected with the corresponding drive shaft coaxially.

7 . The steel trestle platform according to claim 6 , wherein the sliding positioning mechanism is provided with two sets and arranged up and down. 8 .