CN220036170U - Step inclined surface sliding installation auxiliary device for large-span welding ball net rack - Google Patents

Abstract

The utility model relates to a large-span welding net rack ladder inclined surface sliding installation auxiliary device, which comprises a net rack, wherein pulley seats are arranged at two ends of the net rack, rollers are arranged at the bottoms of the pulley seats, a track is arranged below the pulley seats, and the rollers are matched with the track; the front and rear fixed supports are respectively arranged on the rails on two sides of the pulley seat, a front hydraulic cylinder is arranged between the pulley seat and the front fixed support, and a rear hydraulic cylinder is arranged between the pulley seat and the rear fixed support. According to the utility model, the front hydraulic cylinder and the rear hydraulic cylinder are utilized to support the pulley seat, when the pulley seat slides, the front hydraulic cylinder is pulled, the rear hydraulic cylinder is pushed, and the two hydraulic cylinders cooperatively move, so that the pulley seat slides at a constant speed. In the stage of downslide, the front hydraulic cylinder can support the pulley seat, prevents that the rack from sliding and stall and colliding with the concrete structure, guarantees that the rack slides safely, steadily.

Description

Step inclined surface sliding installation auxiliary device for large-span welding ball net rack

Technical Field

The utility model belongs to the technical field of latticed shell construction, and particularly relates to a large-span welding net rack ladder inclined surface sliding installation auxiliary device.

Background

The traditional large-span welded net frame structure mostly adopts construction processes such as erecting a full scaffold, integrally hoisting, sliding and the like. The working amount of setting up the full scaffold is large, and a large amount of turnover materials are used; the integral hoisting requires better site conditions and has higher mechanical cost; the sliding process is well applied to the construction of the planar net rack, but cannot be well applied to the condition that the net rack supports are not on the same plane. Particularly, under the condition that supporting structures on two sides of the net rack are in steps and inclined planes, the traditional construction method cannot efficiently and economically finish the installation of the net rack.

In order to solve the problem that the sliding difficulty is high when the supporting structures on two sides of the net frame are in steps and inclined planes, the applicant designs a roof net frame sliding supporting structure, and specifically can refer to the patent of the utility model with the publication number of CN216713539U, rails are arranged at two ends of the net frame, pulleys are arranged on the rails, welding balls at two ends of the net frame are fixed on the pulleys, and then a chain block is utilized to drive the pulleys to move along the rails, so that the sliding of the net frame is realized. Because the weight of the net rack is large, the chain block is difficult to effectively support and position the pulley, and the sliding stability cannot be ensured. In addition, the connecting rod of rack receives the stress, and the in-process of sliding, especially slope downward in-process of sliding receives the stress great, has certain probability to lead to the connecting rod fracture, influences construction safety.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a large-span welding ball net rack ladder inclined surface sliding installation auxiliary device which improves sliding stability.

In order to solve the problems, the utility model adopts the following technical scheme: the large-span welding net rack ladder inclined surface sliding installation auxiliary device comprises a net rack, wherein pulley seats are arranged at two ends of the net rack, rollers are arranged at the bottoms of the pulley seats, a track is arranged below the pulley seats, and the rollers are matched with the track;

the front and rear fixed supports are respectively arranged on the rails on two sides of the pulley seat, a front hydraulic cylinder is arranged between the pulley seat and the front fixed support, and a rear hydraulic cylinder is arranged between the pulley seat and the rear fixed support.

Further, the rack comprises two rack units.

Further, the pulley seat is fixedly arranged on the head and tail welding balls of the net rack.

Further, the top of pulley seat is provided with the support, the welding ball welds in the top of support, preceding pneumatic cylinder and back pneumatic cylinder all link to each other with the support.

Further, stress sensors are arranged on connecting rods of the head and tail welding balls of the net rack, and the stress sensors are connected with a controller through optical fibers.

Further, the track is provided on the support frame.

The beneficial effects of the utility model are as follows: according to the utility model, the front hydraulic cylinder and the rear hydraulic cylinder are utilized to support the pulley seat, when the pulley seat slides, the front hydraulic cylinder is pulled, the rear hydraulic cylinder is pushed, and the two hydraulic cylinders cooperatively move, so that the pulley seat slides at a constant speed. In the stage of downslide, the front hydraulic cylinder can support the pulley seat, prevents that the rack from sliding and stall and colliding with the concrete structure, guarantees that the rack slides safely, steadily.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a schematic illustration of a concrete beam at a construction site;

FIG. 3 is a schematic view of the installation of rails on the concrete beam of FIG. 2;

FIG. 4 is a schematic view of another concrete beam on a construction site;

FIG. 5 is a schematic view of the installation of rails on the concrete beam of FIG. 4;

reference numerals: 1-net rack; 11-welding balls; 12-connecting rod; 2-pulley seat; 21-a roller; 22-a support; 3-track; 4-a front fixed support; 5-a rear fixed support; 6-a front hydraulic cylinder; 7-a rear hydraulic cylinder; 8-stress sensor; 81-an optical fiber; 9-a supporting frame; 101-an upright post; 102-a cross beam; 103-oblique beams.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

The utility model relates to a large-span welding net rack ladder inclined surface sliding installation auxiliary device, which is shown in figure 1, and comprises a net rack 1, wherein the net rack 1 can be one net rack unit or a plurality of net rack units, and the whole net rack units are spliced to form a complete net shell. Each rack unit is composed of a plurality of welded balls 11 and connecting rods 12. In the utility model, two net rack units are used as one net rack 1, and each time, the net rack 1 is installed, and the installation is carried out section by section.

The pulley seat 2 is arranged at two ends of the net rack 1, the roller 21 is arranged at the bottom of the pulley seat 2, the track 3 is arranged below the pulley seat 2, and the roller 21 is matched with the track 3. The track 3 is fixed on the concrete beam below and plays a role in guiding. Because rack 1 has certain radian, in order to be convenient for utilize pulley seat 2 to support rack 1, pulley seat 2 is fixed to be set up on rack 1 bottom two welding balls 11 from beginning to end, and rack 1's both ends set up two pulley seats 2 respectively, and 4 pulley seats 2 altogether are located rack 1's four angles department, can support rack 1 steadily, prevent rack 1 in-process touching outside concrete structure.

The front fixing support 4 and the rear fixing support 5 are respectively arranged on the rails 3 on the two sides of the pulley seat 2, a front hydraulic cylinder 6 is arranged between the pulley seat 2 and the front fixing support 4, and a rear hydraulic cylinder 7 is arranged between the pulley seat 2 and the rear fixing support 5. The front fixing support 4 and the rear fixing support 5 are detachably mounted on the track 3, and can be mounted and fixed by bolts. The specific positions of the front fixing support 4 and the rear fixing support 5 are determined according to the sliding distance of the net rack 1. The cylinder body of the front hydraulic cylinder 6 is hinged on the front fixed support 4, and the piston rod is hinged with the pulley seat 2; the same cylinder body of the rear hydraulic cylinder 7 is hinged on the rear fixed support 5, and the piston rod is hinged with the pulley seat 2. The pulley seat 2 is supported by two front and back pneumatic cylinders, and the bearing capacity of pneumatic cylinder is strong, and the stability of operation is high, and during the slip, preceding pneumatic cylinder 6 shrink, and back pneumatic cylinder 7 extends, and preceding pneumatic cylinder 6 and back pneumatic cylinder 7 combined action can make rack 1 steadily, slide at the uniform velocity, avoids rack 1 to rock by a wide margin, guarantees construction safety. Particularly when constructing on the echelonment concrete beam, track 3 slope sets up, and rack 1 slope downward slip appears the condition of rack 1 stall easily, through setting up preceding pneumatic cylinder 6, can support pulley block 2 and rack 1 steadily, prevents rack 1 stall. The front, rear, etc. directions are the directions of sliding of the net rack 1 as reference, the direction of sliding of the net rack 1 horizontally as front, and the direction of sliding away from the net rack 1 as rear.

When the sliding distance is far, each net rack 1 can slide for a plurality of times, after one sliding, the net racks 1 are supported by the front hydraulic cylinder 6 after the fixing support 5 is detached, the rear hydraulic cylinder 7 is controlled to shrink, and then the fixing support 5 is fixed again. Then the front fixed support 4 is disassembled, the net rack 1 is supported by the rear hydraulic cylinder 7, the front hydraulic cylinder 6 is controlled to extend, and then the front fixed support 4 is re-fixed, so that the net rack can slide again.

In order to facilitate the fixation of the pulley mount 2 to the bottom of the net frame 1, the top of the pulley mount 2 is provided with a support 22, the support 22 is connected to the pulley mount 2 by a plurality of bolts, the welding ball 11 is welded to the top of the support 22, and the front hydraulic cylinder 6 and the rear hydraulic cylinder 7 are connected to the support 22.

In the process of sliding the net rack 1 downwards, part of the connecting rods 12 are subjected to larger acting force, in order to prevent safety accidents caused by breakage of the connecting rods 12, stress sensors 8 are arranged on the connecting rods 12 of the head and tail welding balls 11 of the net rack 1, and the stress sensors 8 are connected with a controller through optical fibers 81. The stress sensor 8 is attached to the surface of the connecting rod 12, can monitor the stress and strain value received by the connecting rod 12 in real time, and transmits a monitoring signal to the controller, and when the stress is too large, the sliding is stopped in time and the processing is performed. The stress sensor 8 is only required to be arranged on the connecting rod 12 with larger stress, and the stress sensor 8 is not required to be arranged on each connecting rod 12.

When the top of the concrete beam is stepped, it is difficult to stably support the rail 3, and therefore, a support frame 9 is provided on the concrete beam, and the rail 3 is provided on the support frame 9.

The concrete beam has various forms, one form is shown in fig. 2, and the concrete beam comprises a plurality of upright posts 101, the height of the upright post 101 on the right side is gradually reduced, the height of the upright post 101 on the rightmost side is the same as that of the upright post 101 on the left side, and two adjacent upright posts 101 are connected through a cross beam 102 or an inclined beam 103.

In order to facilitate the sliding of the net frame 1 to the rightmost side, a supporting frame 9 is arranged to support the track 3 as shown in fig. 3, the supporting frame 9 comprises an inclined shaped steel beam and a plurality of vertical shaped steel struts, the lower ends of the shaped steel struts are fixed on a beam 102 of the concrete beam, and the upper ends of the shaped steel struts are fixedly connected with the shaped steel beam. The inclination angle of the section steel beam is the same as that of the left side inclined beam 103, and the track 3 is arranged on the upper surfaces of the inclined beam 103 and the section steel beam.

In another form of the concrete beam, as shown in fig. 4, the heights of the columns 101 at the left and right sides are larger, the heights of the columns 101 at the middle are smaller, two adjacent columns 101 are connected through a horizontal beam 102, at this time, a supporting frame 9 as shown in fig. 5 is provided, the supporting frame 9 adopts a plurality of first trusses and a second truss, the heights of the plurality of first trusses are the same and are basically the same as those of the platform at the left side, the heights of the second trusses are lower than those of the first trusses, a horizontal first supporting beam and an inclined second supporting beam are provided, the first supporting beam is fixed at the tops of the plurality of first trusses, the upper end of the second supporting beam is fixed at the top of the first truss at the rightmost side, the middle part of the second supporting beam is fixed at the top of the second truss, the lower end of the second supporting beam is fixed at the side wall of the concrete column 101 at the rightmost side, and the track 3 is arranged on the upper surfaces of the first supporting beam and the second supporting beam.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The large-span welding net rack ladder inclined surface sliding installation auxiliary device comprises a net rack (1), wherein pulley seats (2) are arranged at two ends of the net rack (1), rollers (21) are arranged at the bottoms of the pulley seats (2), a track (3) is arranged below the pulley seats (2), and the rollers (21) are matched with the track (3);

the method is characterized in that: the novel pulley is characterized in that a front fixing support (4) and a rear fixing support (5) are respectively arranged on the rails (3) on two sides of the pulley seat (2), a front hydraulic cylinder (6) is arranged between the pulley seat (2) and the front fixing support (4), and a rear hydraulic cylinder (7) is arranged between the pulley seat (2) and the rear fixing support (5).

2. A large span welded ball grid stepped ramp skid mounting aid as defined in claim 1, wherein: the net rack (1) comprises two net rack units.

3. A large span welded ball grid stepped ramp skid mounting aid as defined in claim 1, wherein: the pulley seat (2) is fixedly arranged on the head and tail welding balls (11) at the bottom of the net rack (1).

4. A large span welded ball grid rack stepped ramp skid mounting aid as defined in claim 3, wherein: the top of pulley seat (2) is provided with support (22), welding ball (11) welds in the top of support (22), preceding pneumatic cylinder (6) and back pneumatic cylinder (7) all link to each other with support (22).

5. A large span welding ball grid rack step ramp skid mounting aid as defined in claim 3 or 4, wherein: the connecting rod (12) of the head and tail welding balls (11) of the net rack (1) is provided with a stress sensor (8), and the stress sensor (8) is connected with a controller through an optical fiber (81).

6. A large span welded ball grid stepped ramp skid mounting aid as defined in claim 1, wherein: the track (3) is arranged on the supporting frame (9).