CN216999355U - Folding pedal for inner stretching - Google Patents

Abstract

The application discloses inboard stretch-draw is with folding footboard includes: the device comprises a connecting rod assembly, a top frame, a side wall blocking frame, a pedal, an installation rod and a length adjusting frame; the connecting rod assemblies are symmetrically arranged on the opposite long side walls of the pedal; the top of the connecting rod assembly is hinged with one end of the long edge of the top frame, and the other end of the connecting rod assembly slides; the bottom surface of the side wall baffle frame is hinged with the short edge of the pedal; the top surface of the side wall baffle frame is detachably connected with the short edge of the top frame; the length adjusting frames are symmetrically arranged on the outer sides of the short edges of the pedal in pairs, are inserted into the inner holes of the long edges of the pedal and are fixed by pins; the bottom end of the connecting rod component is respectively hinged with one end of the mounting rod, and the other end of the connecting rod component slides; the mounting rod is welded with the top surface of the long edge of the pedal. Through set up collapsible rail on the footboard periphery, can easily pass through adjacent T type roof beam clearance, realize quick location, the fixing of rail through link mechanism subassembly, sliding ring, activity buckle down to the under-bridge back, for the under-bridge operation provides reliable, safe support, solved operation platform's intensity problem and the potential safety hazard in the work progress.

Description

Folding pedal for inner stretching

Technical Field

The application relates to the technical field, in particular to a folding pedal for tensioning the inner side.

Background

In the existing new construction process of highway bridges, steel cables are required to be used for tensioning and connecting adjacent T-shaped beams, and workers need to stretch below a bridge floor to ensure the connection reliability. Workers need to operate on the operating platform to place articles. However, the distance between adjacent T-shaped beam bridge floors is narrow, large-size operating platforms are difficult to pass through, cannot be installed under the bridge, and provide reliable support.

In the prior art, workers can only use field materials, steel pipes and wood boards are bound through iron wires to form an operation platform, then ropes are placed under a bridge floor, and the simple platform is suspended under the bridge through the ropes to perform construction operation.

The operation platform is simple in structure and easy and convenient to manufacture, but has great potential safety hazards, and workers are easy to fall off due to the fact that the operation platform is easy to scatter after bearing; in addition, no fence is arranged around the operating platform, so that operators are careless and very easy to fall. The length of the operating platform is fixed after the operating platform is manufactured and molded, the distance between every two adjacent T-shaped beams is not fixed and unchanged, and the operating platform cannot be suitable for the T-shaped beams with various distances.

SUMMERY OF THE UTILITY MODEL

The application provides a folding footboard for inboard stretch-draw for solving above-mentioned technical problem.

The application provides an inboard stretch-draw is with folding footboard includes: the connecting rod assembly, the top frame, the mounting rod, the side wall blocking frame, the pedal and the length adjusting frame;

connecting rod assemblies are symmetrically arranged on the opposite long side walls of the pedal; the connecting rod assembly is hinged with the side wall of the pedal; the top of the connecting rod assembly is hinged with one end of the long edge of the top frame, and the other end of the connecting rod assembly slides; the bottom surface of the side wall baffle frame is hinged with the short edge of the pedal; the top surface of the side wall baffle frame is detachably connected with the short edge of the top frame;

the length adjusting frames are symmetrically arranged on the outer sides of the short edges of the pedal in pairs, are inserted into the inner holes of the long edges of the pedal and are fixed by pins;

the bottom end of the connecting rod assembly is hinged with one end of the mounting rod respectively, and the other end of the connecting rod assembly slides; the mounting rod is welded with the top surface of the long edge of the pedal;

the method comprises the following steps: a movable buckle; the short edge of the top frame is detachably connected with the top surface of the side wall blocking frame through a movable buckle;

the folding pedal for stretching the inner side is in a folding state: the connecting rod assembly is arranged between the top frame and the pedal assembly in a folding manner; the side wall blocking frame is arranged on the top surface of the top frame in an overlapping manner; the top surface of the side wall baffle frame is detached from the short edge of the top frame;

the folding pedal for stretching the inner side is in an unfolded state: the connecting rod component is unfolded and supported between the top frame and the pedal component; the short edge of the top frame is connected with the top surface of the side wall blocking frame through a movable buckle.

Preferably, the method comprises the following steps: a plurality of quick buckles and steel wire ropes arranged in pairs; the steel wire ropes symmetrically penetrate through the mounting grooves on the bottom surface of the pedal; two ends of the steel wire rope are respectively arranged at the outer sides of the long edges of the top frame and freely extend towards the bridge floor; the quick buckle is arranged at the free end of the steel wire rope; the quick buckle joint is on the prefabricated reinforcing bar of T type roof beam.

Preferably, the method comprises the following steps: length adjusting frames arranged in pairs; the length adjusting frame is arranged on the outer side of the short edge of the pedal; the short side of the length adjusting frame is provided with an opening, and the two sides of the length adjusting frame are respectively inserted into the inner holes of the long sides of the pedals and are fixed by pins; the opposite short sides of the length-adjusting frame abut against the opposite side walls of the adjacent T-shaped beam.

Preferably, the movable buckles are respectively arranged on the top corners of the top frame.

Preferably, the quick buckle comprises: the plug-in rod, the movable clamping plate and the plug-in plate; the plugboard is arranged on the short edge of the top frame; one end of the insertion rod is arranged on the short edge of the top of the side wall baffle frame; the movable clamping plate is hinged with the free end of the insertion rod;

the connection state is as follows: the inserting rod is inserted into the through hole of the inserting plate, and the movable clamping plate rotates to be parallel to and clamped with the inserting plate;

the disassembly state is as follows: the movable clamping plate rotates to be parallel to the insertion rod; the inserting rod is detached from the inserting plate.

Preferably, the top frame includes: a limiting rod; the limiting rods are symmetrically arranged on one side of the long edge of the top frame in pairs;

the connecting rod assembly includes: the slip rings are arranged in pairs; the sliding guide rings are respectively arranged on the top end of one side of the connecting rod assembly; the guide sliding ring is sleeved on the long edge of the top frame and slides to the limiting rod from one end along the long edge of the top frame.

Preferably, the method comprises the following steps: a vertical hinge base; the vertical hinge seat is arranged on a top corner of the pedal; the bottom vertex angle of the side wall blocking frame is respectively hinged with the vertical hinge seat.

Preferably, the pedal includes: the bottom plate frame, the plate body and the anti-skid pattern layer; the bottom plate frame is sleeved on the outer periphery of the plate body; the antiskid decorative pattern layer sets up on the plate body top surface.

The beneficial effects that this application can produce include:

1) the utility model provides an inboard stretch-draw is with folding footboard, through set up collapsible rail on the footboard periphery, the quick location, the fixing of rail are realized through link mechanism subassembly, sliding ring, activity buckle to the under-bridge back down in the clearance of the adjacent T type roof beam of this footboard fold condition accessible, for the under-bridge operation provides reliable, safe support. The strength problem of operation platform and the potential safety hazard in the work progress have been solved.

2) The utility model provides an inboard stretch-draw is with folding footboard, the relative outside of footboard sets up the regulation pole that is connected with the bottom plate frame respectively, is convenient for realize the regulation of footboard lateral length, through adjusting the frame butt in the recess of T type roof beam lower part lateral wall, utilizes T type roof beam lateral wall structure to obtain reliable support for operation platform.

Drawings

Fig. 1 is a schematic perspective view of an unfolded state of a folding step for inside tensioning according to the present application;

FIG. 2 is a schematic view of a portion of the enlarged structure of point A in FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure at point B in FIG. 1;

fig. 4 is a schematic view of a folded state of the folding pedal for medial stretching according to the present application;

FIG. 5 is a schematic front view of the folding step for inner side tension according to the present invention;

FIG. 6 is a schematic top view of the folding step assembly for inside tensioning according to the present application;

FIG. 7 is a perspective view of the connecting rod assembly provided herein in an installed condition;

fig. 8 is a schematic perspective view of a side wall barrier frame provided in the present application;

fig. 9 is a schematic perspective view of a length adjustment frame provided in the present application;

illustration of the drawings:

10. a T-shaped beam; 101. prefabricating a steel bar; 102. a bridge deck; 104. installing a groove; 11. quickly buckling; 111. a wire rope; 12. a slip ring; 121. a limiting rod; 123. a movable hinged shaft; 124. a top frame; 125. a connecting rod assembly; 126. mounting a rod; 13. a movable buckle; 131. a plug rod; 134. a movable clamping plate; 132. a plugboard; 14. a side wall blocking frame; 141. a vertical hinge base; 15. a pedal; 151. a bottom plate frame; 152. a length adjustment frame; 153. a first pin hole; 154. a second pin hole; 155. an anti-skid patterned layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Technical features which are not used for solving the technical problems of the present application are all arranged or installed according to a common method in the prior art, and are not described herein in a repeated manner.

Referring to fig. 1-9, the present application provides a folding footboard for inboard stretch-draw, includes: the connecting rod assembly 125, the top frame 124, the mounting rod 126, the side wall blocking frame 14, the pedal 15 and the length adjusting frame 152;

the connecting rod assemblies 125 are symmetrically arranged on the opposite long side walls of the pedal 15; the connecting rod assembly 125 is hinged with the side wall of the pedal 15; the top of the connecting rod assembly 125 is hinged with one end of the long edge of the top frame 124, and the other end slides; the bottom surface of the side wall baffle frame 14 is hinged with the short edge of the pedal 15; the top surface of the side wall baffle frame 14 is detachably connected with the short edge of the top frame 124;

the length adjusting frames 152 are symmetrically arranged on the outer sides of the short sides of the pedal 15 in pairs, are inserted into the inner holes of the long sides of the pedal 15 and are fixed by pins;

the bottom end of the connecting rod assembly 125 is hinged with one end of the mounting rod 126, and the other end slides; the mounting rod 126 is welded with the top surface of the long edge of the pedal 15;

the method comprises the following steps: a movable buckle 13; the short edge of the top frame 124 is detachably connected with the top surface of the side wall baffle frame 14 through a movable buckle 11;

the folding pedal for stretching the inner side is in a folding state: the connecting rod assembly 125 is folded and accommodated between the top frame 124 and the pedal 15 assembly; the side frame baffle frame 14 is arranged on the top surface of the top frame 124 in an overlapping manner; the top surface of the side wall baffle frame 14 is detached from the short edge of the top frame 124;

the folding pedal for inner stretching is in an unfolding state: the connecting rod assembly 125 is unfolded and supported between the top frame 124 and the pedal 15 assembly; the short side of the top frame 124 is connected with the top surface of the side retaining frame 14 through a movable buckle 13.

When the device is in a folded state, the whole structure is small, and narrow gaps can pass through between adjacent T-shaped beams 10; after the movable clamping buckle is placed below the bridge floor 102, the connecting rod assembly 125 can be used for unfolding and effectively supporting the top frame 124 and the pedal 15, the positions of the top frame 124 and the side wall blocking frame 14 are fixed through the movable clamping buckle 13, the rectangular blocking frame is formed above the pedal 15, reliable support is provided for operators, meanwhile, workers are effectively prevented from falling, and the safety and reliability of operation under the bridge are improved.

Specifically, the mounting rod 126 is welded to the bottom plate 15, and one end of the lower portion of the connecting rod assembly 125 is hinged to the mounting rod 126, and the other end of the connecting rod assembly is sleeved on the mounting rod 126 through a collar and slides on the mounting rod 126.

One end of the upper part of the connecting rod assembly 125 is hinged with the top frame 124, and the other end is sleeved on the top frame 124 through a sleeve ring to slide. The length adjusting frame 152 can be inserted into the inner hole provided on the long side of the pedal 15, and is fixedly connected by inserting a pin.

By welding the mounting rod 126 to the long-side top surface of the pedal 15, the reliability of connection between the frame and the pedal 15 can be improved, and the safety of worker operation can be improved.

Preferably, the method comprises the following steps: a plurality of quick buckles 11 and steel wire ropes 111 arranged in pairs; the steel wire ropes 111 symmetrically penetrate through the installation grooves in the bottom surface of the pedal 15; two ends of the steel wire rope 111 are respectively arranged at the outer sides of the long sides of the top frame 124 and respectively freely extend towards the bridge deck 102; the quick buckle 11 is arranged at the free end of the steel wire rope 111; the quick buckle 11 is clamped on the prefabricated steel bar 101 of the T-shaped beam 10. According to the arrangement, reliable lifting force can be provided for the longitudinal direction through the steel wire rope 111, the supporting stress point of the device is increased, and the reliability of the device is improved.

Preferably, it comprises: length adjustment frames 152 arranged in pairs; the length adjusting frame 152 is arranged outside the short side of the pedal 15; the short side of the length adjusting frame 152 is provided with an opening, and the two sides of the length adjusting frame 152 are respectively inserted into the long side inner holes of the pedals 15 and fixed by pins; the opposite short sides of the length-adjusting frame 152 abut against the opposite side walls of the adjacent T-shaped beam 10.

In one embodiment, the side wall of the T-beam 10 is provided with a mounting groove 104; the outer side of the length adjusting frame 152 abuts against the mounting groove 104, and effective support is obtained.

The supporting points of the device can be increased according to the arrangement, and the use safety is improved.

Preferably, the method comprises the following steps: and the movable buckles 13 are respectively arranged on the top corners of the top frame 124.

Preferably, the movable catch 13 comprises: the plug rod 131, the movable clamping plate 134 and the plug plate 132; the inserting plate 132 is arranged on the short side of the top frame 124; one end of the inserting rod 131 is arranged on the top short edge of the side wall baffle frame 14; the movable clamping plate 134 is hinged with the free end of the insertion rod 131;

and (3) connection state: the plug rod 131 is inserted into the through hole of the plug board 132, and the movable clamping board 134 rotates to be parallel to and clamped with the plug board 132;

the disassembly state is as follows: the movable clamping plate 134 rotates to be parallel to the insertion rod 131; the docking rod 131 is detachable from the docking plate 132.

The arrangement is convenient for workers to fix the relative positions of the side wall baffle frame 14 and the top frame 124 under the bridge, and a reliable baffle structure is obtained.

Preferably, the top frame 124 includes: a stopper rod 121; the limiting rods 121 are symmetrically arranged on one side of the long side of the top frame 124 in pairs;

the link assembly 125 includes: the pair of slip rings 12; the slip rings 12 are respectively arranged on the top end of one side of the connecting rod assembly 125; the slip-guiding ring 12 is sleeved on the long side of the top frame 124 and slides from one end to the position of the limiting rod 121 along the long side of the top frame 124.

When the device is in an unfolding state, the sliding guide ring 12 is abutted to the outer side of the limiting rod 121; when the device is in a folded state, the slide guide ring 12 slides to one end of the top frame 124 and abuts against one end of the short side of the top frame 124. This arrangement effectively limits the degree of expansion of the link assembly 125 and allows reliable folding.

In one embodiment, the linkage assemblies 125 are symmetrically arranged in pairs on opposite sides of the long sides of the top frame 124 and the long sides of the pedal 15. Connecting rod assemblies 125 are arranged in symmetrical pairs. The slip-guiding rings 12 are respectively arranged on the top ends of the symmetrically arranged connecting rod assemblies 125. The link assembly 125 is hinged to the top frame 124 through a movable hinge shaft 123.

The connecting rod assembly 125 used in the present application is a conventional structure in the prior art, and the specific structure is shown in fig. 1.

Preferably, it comprises: a vertical hinge base 141; the vertical hinge seat 141 is arranged on a top corner of the pedal 15; the top corners of the bottom surfaces of the side wall frames 14 are respectively hinged with the vertical hinge seats 141. The side wall blocking frame 14 can be prevented from being turned over to the outside of the side wall blocking frame by arranging the vertical hinge seat 141.

Preferably, the pedal 15 comprises: a bottom plate frame 151, a plate body and an anti-skid pattern layer 155; the bottom plate frame 151 is sleeved on the outer periphery of the plate body; the anti-skid pattern layer 155 is arranged on the top surface of the plate body.

In one embodiment, the length of the length-adjusting frame 152 can be effectively adjusted by providing a plurality of second pin holes 154 on the side walls of the long sides of the bottom plate frame 151, providing a plurality of first pin holes 153 on the side plates of the length-adjusting frame 152, and inserting pins into the first pin holes 153 and the second pin holes 154.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims (8)

1. A folding footboard for inside tensioning is characterized by comprising: the device comprises a connecting rod component (125), a top frame (124), a mounting rod (126), a side wall blocking frame (14), a pedal (15) and a length adjusting frame (152);

the connecting rod assemblies (125) are symmetrically arranged on the opposite long side walls of the pedal (15); the top of the connecting rod component (125) is hinged with one end of the long edge of the top frame (124) and the other end slides; the bottom surface of the side wall baffle frame (14) is hinged with the short edge of the pedal (15); the top surface of the side wall baffle frame (14) is detachably connected with the short edge of the top frame (124);

the length adjusting frames (152) are symmetrically arranged on the outer sides of the short sides of the pedal (15) in pairs, are inserted into the inner holes of the long sides of the pedal (15) and are fixed by pins;

the bottom end of the connecting rod component (125) is respectively hinged with one end of the mounting rod (126), and the other end of the connecting rod component slides; the mounting rod (126) is welded with the top surface of the long side of the pedal (15);

the method comprises the following steps: a movable buckle (13); the short side of the top frame (124) is detachably connected with the top surface of the side wall baffle frame (14) through a movable buckle (13);

the folding pedal for stretching the inner side is in a folding state: the connecting rod component (125) is arranged between the top frame (124) and the pedal (15) component in a folding way; the side wall blocking frame (14) is arranged on the top surface of the top frame (124) in an overlapping mode; the top surface of the side wall baffle frame (14) is detached from the short edge of the top frame (124);

the folding pedal for stretching the inner side is in an unfolded state: the connecting rod component (125) is unfolded and supported and arranged between the top frame (124) and the pedal (15) component; the short side of the top frame (124) is connected with the top surface of the side wall baffle frame (14) through a movable buckle (13).

2. A folding step for inside tensioning according to claim 1, comprising: a plurality of quick buckles (11) and steel wire ropes (111) arranged in pairs; the steel wire ropes (111) are symmetrically arranged in the mounting grooves on the bottom surface of the pedal (15) in a penetrating manner; two ends of the steel wire rope (111) are respectively arranged at the outer sides of the long edges of the top frame (124) and respectively and freely extend towards the bridge deck (102); the quick buckle (11) is arranged at the free end of the steel wire rope (111); the quick buckle (11) is clamped on the prefabricated steel bar (101) of the T-shaped beam (10).

3. A folding step for inside tensioning according to claim 1, comprising: length adjustment frames (152) arranged in pairs; the length adjusting frame (152) is arranged on the outer side of the short side of the pedal (15); an opening is arranged on the short side of the length adjusting frame (152), and two sides of the length adjusting frame (152) are respectively inserted into the long-side inner holes of the pedals (15) and fixed by pins; the opposite short sides of the length adjustment frame (152) abut against the opposite side walls of the adjacent T-shaped beam (10).

4. A foldable step for inside stretching according to claim 2, wherein said movable catch (13) is provided at each of the top corners of the top frame (124).

5. A folding step for inside tensioning according to claim 4, characterized in that said quick snap (11) comprises: the plug-in rod (131), the movable clamping plate (134) and the plug-in plate (132); the plugboard (132) is arranged on the short side of the top frame (124); one end of the insertion rod (131) is arranged on the top short edge of the side wall baffle frame (14); the movable clamping plate (134) is hinged with the free end of the insertion rod (131);

the connection state is as follows: the plug rod (131) is inserted into the through hole of the plug board (132), and the movable clamping board (134) rotates to be parallel to and clamped with the plug board (132);

the disassembly state is as follows: the movable clamping plate (134) rotates to be parallel to the insertion rod (131); the plug rod (131) is detached from the plug board (132).

6. A folding step for inside tensioning according to claim 1, characterized in that the top frame (124) comprises: a stopper rod (121); the limiting rods (121) are symmetrically arranged on one side of the long edge of the top frame (124) in pairs;

the connecting rod assembly (125) comprises: slip rings (12) arranged in pairs; the slide guide rings (12) are respectively arranged on the top ends of one sides of the connecting rod components (125); the slip-guiding ring (12) is sleeved on the long edge of the top frame (124) and slides to the position of the limiting rod (121) from one end along the long edge of the top frame (124).

7. A folding step for inside tensioning according to claim 1, comprising: a vertical hinge mount (141); the vertical hinge seats (141) are arranged on the top corners of the pedal (15); the vertex angles of the bottom surfaces of the side wall baffle frames (14) are respectively hinged with the vertical hinge seats (141).

8. A folding step for inside tensioning according to claim 1, characterized in that the step (15) comprises: a bottom plate frame (151), a plate body and an anti-skid pattern layer (155); the bottom plate frame (151) is sleeved on the outer periphery of the plate body; the anti-skid patterned layer (155) is arranged on the top surface of the plate body.

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