CN214739962U

CN214739962U - Platform folding wheel structure

Info

Publication number: CN214739962U
Application number: CN202120759013.2U
Authority: CN
Inventors: 满开国; 居建福; 盛世鑫
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-16
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a platform folding wheel structure, including placing the platform, place the bench and seted up the perforation, it is provided with the support base to place the platform and be located fenestrate both sides, it is provided with column wheel seat to support between the base, the one end of column wheel seat is fixed with and supports the base rotation axis of being connected, the other end of column wheel seat is fixed with the axletree, install the wheel on the axletree, it is provided with fixing support to place the bench, be provided with pull-up rod and lower link between fixing support and the column wheel seat, the one end and the column wheel seat of lower link are articulated, the one end and the fixing support of pull-up rod are articulated, it is articulated between pull-up rod and the lower link, it can control the wheel to stretch out below placing the platform lower surface or withdraw and place the platform lower surface above to rotate through rotating stop device between pull-up rod and the lower link. The utility model discloses simple structure, convenient to use, the support and the accomodating of the operation control wheel through last pull rod and lower link to place the removal of platform or put flatly.

Description

Platform folding wheel structure

Technical Field

The utility model relates to a folding wheel, concretely relates to platform folding wheel structure.

Background

In the building construction, a large amount of reinforcing steel bars can be used, so that a material stacking area can be specially planned on a construction site to stack and store the reinforcing steel bars. In order to prevent the steel bars from being directly stacked on the ground and corroded by water, a steel bar placing bracket is usually arranged to support the steel bars. The support is placed to the reinforcing bar usually includes the platform of placing of level setting, and the upper surface of placing the platform relatively fixed has the support frame, and the both ends of reinforcing bar are placed respectively on the support frame of both sides. Along with the progress of construction, building material's continuous consumption will vacate some reinforcing bars and place the support, and the condition that just has the transition is placed to these idle reinforcing bars then, need remove other positions, if at the bottom installation wheel of placing the platform, then place the platform and remove along with the bottom surface slope easily, the incident takes place easily, if adopt the tower crane to carry out the handling, then will occupy tower crane operating time, will cause the delay to other engineering, influence the time limit for a project.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a simple structure, convenient to use can adjust the platform folding wheel structure of support mode and mode of accomodating.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a platform folding wheel structure comprises a placing table, a through hole is arranged on the placing table along the vertical direction, supporting bases are fixedly connected to the upper surface of the placing table and located on the two sides of the left and right directions of the through hole respectively, a columnar wheel seat is arranged between the two supporting bases, a rotating shaft is symmetrically arranged on the surface of one end, close to the columnar wheel seat, of the columnar wheel seat by taking the center line of the columnar wheel seat as a symmetric axis, the rotating shaft extends along the radial direction of the columnar wheel seat, the center line of the rotating shaft extends along the opposite directions of the two supporting bases, the rotating shaft is respectively and rotatably connected to the supporting bases on the side where the rotating shaft is located, wheel shafts are symmetrically arranged on the surface of the other end, close to the other end, of the columnar wheel seat by taking the center line of the columnar wheel seat as a symmetric axis, the center line of the wheel shafts is parallel to the center line of the rotating shaft, wheels are arranged at one end, when the columnar wheel seat rotates and the center line of the columnar wheel seat is horizontally arranged, the projection of the wheel in the vertical direction is positioned in the projection of the through hole in the vertical direction, the surface of one end, close to the wheel axle, of the columnar wheel seat is provided with a lower hinged support, the lower hinged support is hinged with one end of the lower pull rod through a lower hinged shaft, the rotating plane of the columnar wheel seat rotating around the rotating shaft and the rotating plane of the lower pull rod rotating around the lower hinged shaft are positioned on the same plane, the upper surface of a placing table positioned outside the through hole and positioned at the side of the lower pull rod is fixedly connected with a fixed support, one side, facing the lower pull rod, of the fixed support is fixedly connected with an upper hinged support, the upper hinged support is provided with an upper pull rod, the upper hinged support is hinged with one end of the upper pull rod through an upper hinged shaft, the rotating plane of the upper pull rod rotating around the upper hinged shaft and the rotating plane of the lower pull rod rotating around the lower hinged shaft are positioned on the same plane, one end, far away from the upper hinged shaft, of the lower pull rod, is hinged with one end, far away from the lower hinged shaft, through a middle hinged shaft, the central line of middle hinge respectively with last hinge central line and lower hinge central line parallel arrangement, when the pull rod rotates to the holding state, the pull rod can promote the rotation of column wheel seat through the lower link so that the column wheel seat is vertical state, and make the wheel stretch out in the perforation below, when the pull rod rotates to the state of accomodating, the pull rod can pass through lower connecting rod pulling column wheel seat and rotate so that the wheel is located and place the planar top in platform lower surface place, be provided with between pull rod and the lower link and rotate stop device, when the pull rod was in holding state and the state of accomodating respectively, it can be used in respectively on pull rod and the lower link and restrict its rotation to rotate stop device.

The utility model discloses in, the pull rod rotates in the operation, releases the column wheel seat downwards through the lower link, makes the wheel stretch out the perforation below like this, then restricts last pull rod and lower link with rotating stop device, avoids its rotation, and then supports the column wheel seat, can remove. Otherwise, the upper pull rod is rotated, the columnar wheel seat is pulled through the lower pull rod, the wheels are retracted to the position above the lower surface of the placing table, and then the rotation limiting device is used for carrying out the operation, so that the placing table can be directly placed on the ground.

Preferably, the rotation limiting device comprises a limiting rod fixedly connected to the upper pull rod, the limiting rod extends along the radial direction of the upper pull rod, the central line of the limiting rod is parallel to the central line of the middle hinge shaft, a positioning clamping strip is arranged on the limiting rod, one end of the positioning clamping strip is provided with a limiting hole, the positioning clamping strip is sleeved on the limiting rod through the limiting hole and can be in sliding fit with the limiting rod along the central line direction of the limiting rod, one end of the limiting rod, far away from the upper pull rod, is fixedly connected with a limiting end head so as to block and limit the positioning clamping strip, one end of the positioning clamping strip, far away from the limiting hole, is provided with an outer positioning hole arranged in parallel with the central line of the limiting hole, an inner positioning hole arranged in parallel with the central line of the outer positioning hole is arranged at a position between the limiting hole and the outer positioning hole on the positioning clamping strip, and the rotation limiting device also comprises a positioning rod fixed on the lower pull rod and at the same side position as the limiting rod, the central line of locating lever is on a parallel with the central line of gag lever post, and the length of locating lever is less than the length of gag lever post, and the locator card strip can be established on the locating lever and can follow locating lever central line direction rather than sliding fit through outer locating hole and interior locating hole cover respectively, works as when going up the pull rod rotates to the support state, the locator card strip is established on the locating lever with right through outer locating hole cover last pull rod with rotation between the pull rod down limits, works as when going up the pull rod rotates to the state of accomodating, the locator card strip is established on the locating lever with right through interior locating hole cover go up the pull rod with rotation between the pull rod down limits, and the locating lever is kept away from one end threaded connection of pull rod down has the location end in order to block the locator card strip spacing, and when the locator card strip moved towards spacing end direction, the locator card strip can the roll-off locating lever. The positioning clamping strips are pulled outwards, so that the upper pull rod and the lower pull rod can rotate respectively, the upper pull rod rotates to a supporting state or a storage state respectively, the positioning clamping strips are rotated, the corresponding outer positioning holes and the corresponding inner positioning holes are sleeved on the positioning rods, and the upper pull rod and the lower pull rod are clamped to limit the rotation of the upper pull rod and the lower pull rod.

As an optimization, the support base is located close to the position of the perforation edge, the upper surface of the placement table is located the perforation is respectively provided with reinforcing ribs along the front and back direction, the two ends of the reinforcing ribs are respectively arranged along the extending direction of the perforation edge, and the two ends of the reinforcing ribs are respectively extended to the two sides of the support base and are respectively fixedly connected with the support base. The intensity of placing the platform around can increasing the perforation, avoid in the deformation influence of supporting the in-process to placing the platform.

Preferably, a supporting reinforcing strip is arranged between the two supporting bases along the opposite direction, and two ends of the supporting reinforcing strip are fixedly connected with the tops of the supporting bases on the side where the supporting reinforcing strip is located. Can support two support bases, avoid it to take place the skew and influence the axletree.

To sum up, the beneficial effects of the utility model reside in that: the utility model discloses simple structure, convenient to use, the support and the accomodating of the operation control wheel through last pull rod and lower link to place the removal of platform or put flatly.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a side view of a rebar placement stand;

fig. 2 is a schematic view of the mounting structure of the wheel in the steel bar placing bracket.

Detailed Description

The following will make a further detailed description of the present invention with reference to the drawings for the support for placing the steel bar using the structure of the present invention.

As shown in fig. 1 and fig. 2, the reinforcing steel bar placing bracket in this embodiment includes a placing table 1 extending horizontally and in a strip shape, a guide rail 2 extending along an extending direction of the placing table is fixedly connected to an upper surface of the placing table 1, two sliding platforms 3 are disposed on the upper surface of the placing table 1, bottoms of the sliding platforms 3 are disposed on the upper surface of the placing table 1 and can be in sliding fit with the upper surface of the placing table 1, a guide groove is disposed along a horizontal direction at bottoms of the sliding platforms 3, the guide groove is a through groove, the sliding platforms 3 are slidably connected with the guide rail 2 through the guide groove to move along the extending direction of the guide rail 2, a positioning bolt in threaded fit with the sliding platforms 3 is disposed on the sliding platforms 3 along a vertical direction, the positioning bolt can abut against the placing table 1 to fix the sliding platforms 3 on the sliding platforms 1, a placing rack is disposed on top of the sliding platforms 3, rest the frame and include bearing block 4, the guide bar 5 that is equipped with two vertical settings is worn to be equipped with along placing 1 width direction interval by bearing block 4, the lower extreme fixed connection of guide bar 5 is on sliding platform 3, vertical direction and 5 sliding fit of guide bar can be followed to bearing block 4, bearing block 4 below and the position that is located between two guide bars 5 are provided with weighing sensor 6, weighing sensor 6 installs on sliding platform 3, bearing block 4 butt is at weighing sensor 6's top, weighing sensor 6 can detect bearing block 4's weight.

In the specific embodiment, the top of the bearing block 4 is concavely provided with a sliding hole along the vertical direction, the wall of the sliding hole is provided with a positioning groove extending along the direction parallel to the central line of the sliding hole, two ends of the positioning groove respectively extend to the hole bottom and the hole opening of the sliding hole, the upper end of the positioning groove is communicated with the outside of the bearing block 4, the central lines of the two guide rods 5 on the side of the central line of the sliding hole are respectively positioned on the same plane, the sliding hole is positioned at the middle position between the two guide rods 5 on the side of the sliding hole, a sliding column 7 is inserted into the sliding hole, a positioning block is fixedly connected to the column body of the sliding column 7 and close to the lower end of the sliding column 7, the positioning block is in sliding fit in the positioning groove to slide along the vertical direction, the top of the sliding column 7 extends out of the bearing block 4, and a buffer spring is arranged in the sliding hole and positioned between the sliding column and the bottom of the sliding hole, the two ends of the buffer spring are respectively abutted to the bottom of the slide hole and the bottom of the slide column 7, a supporting strip block 8 extending along the opposite direction of the two guide rods 5 on the side of the slide column 7 is horizontally arranged at the top of the slide column 7, the top of the slide column 7 and the supporting strip block 8 are fixedly connected towards one side of the slide column 7, the joint of the slide column 7 and the supporting strip block 8 is located in the middle position of the supporting strip block 8 along the length direction of the supporting strip block, and the two ends of the supporting strip block 8 are respectively and fixedly connected with a blocking strip 9 extending vertically upwards.

In the specific embodiment, the positions of the placing table 1 corresponding to the outer sides of the two ends of the guide rail 2 are respectively provided with a through hole along the vertical direction, the two through holes are oppositely arranged along the extending direction of the placing table 1, the supporting bases 10 are respectively fixedly connected to the two sides of the upper surface of the placing table 1 along the width direction of the placing table 1, a cylindrical wheel seat 11 is arranged between the two supporting bases 10, the surface of the cylindrical wheel seat 11 close to one end thereof is symmetrically provided with a rotating shaft by taking the center line of the cylindrical wheel seat 11 as a symmetric axis, the rotating shaft is arranged by extending along the radial direction of the cylindrical wheel seat 11, the center line of the rotating shaft extends along the opposite direction of the two supporting bases 10, the rotating shaft is respectively and rotatably connected to the supporting base 10 at the side thereof, the surface of the cylindrical wheel seat 11 close to the other end thereof is symmetrically provided with a wheel shaft by taking the center line of the cylindrical wheel seat 11 as a symmetric axis, the center line of the wheel shaft is parallel to the center line of the rotating shaft, one end of the wheel shaft far away from the cylindrical wheel seat 11 is provided with a wheel 12, when the cylindrical wheel seat 11 rotates and the center line is horizontally arranged, the projection of the wheel 12 along the vertical direction is positioned in the projection of the corresponding perforation along the vertical direction, the surface of one end of the cylindrical wheel seat 11 close to the wheel shaft is provided with a lower hinged seat, the lower hinged seat is provided with a lower pull rod 13, the lower hinged seat is hinged with one end of the lower pull rod 13 through the lower hinged shaft, the rotating plane of the cylindrical wheel seat 11 rotating around the rotating shaft and the rotating plane of the lower pull rod 13 rotating around the lower hinged shaft are positioned on the same plane, the upper surface of the placing table 1 positioned outside the perforation and at the side of the lower pull rod 13 is fixedly connected with a fixed support 14, the side of the fixed support 14 facing the lower pull rod 13 is fixedly connected with an upper hinged seat, the upper hinged seat is provided with an upper pull rod 15, the upper hinged support is hinged with one end of an upper pull rod 15 through an upper hinged shaft, a rotating plane of the upper pull rod 15 rotating around the upper hinged shaft and a rotating plane of a lower pull rod 13 rotating around the lower hinged shaft are positioned on the same plane, one end of the upper pull rod 15 far away from the upper hinged shaft and one end of the lower pull rod 13 far away from the lower hinged shaft are hinged through a middle hinged shaft, the center line of the middle hinged shaft is respectively parallel to the center line of the upper hinged shaft and the center line of the lower hinged shaft, when the upper pull rod 15 rotates to a supporting state, the upper pull rod 15 can push the cylindrical wheel seat 11 to rotate through the lower pull rod 13 so as to enable the cylindrical wheel seat 11 to be in a vertical state, and enable the wheel 12 to extend out of the lower part of the through hole, when the upper pull rod 15 rotates to a containing state, the upper pull rod 15 can pull the cylindrical wheel seat 11 to rotate through the lower connecting rod 13 so as to enable the wheel 12 to be positioned above the plane of the lower surface of the placing table 1, a rotation limiting device is arranged between the upper pull rod 15 and the lower pull rod 13, when the upper pull rod 15 is in the supporting state and the accommodating state, the rotation limiting device can act on the upper pull rod 15 and the lower pull rod 13 respectively to limit the rotation of the upper pull rod 15 and the lower pull rod 13.

In this embodiment, the rotation limiting device comprises a limiting rod fixedly connected to the upper pull rod 15, the limiting rod extends along the radial direction of the upper pull rod, and the central line thereof is parallel to the central line of the middle hinge shaft, a positioning clamping strip 16 is arranged on the limiting rod, one end of the positioning clamping strip 16 is provided with a limiting hole, the positioning clamping strip 16 is sleeved on the limiting rod through the limiting hole and can be in sliding fit with the limiting rod along the central line direction of the limiting rod, one end of the limiting rod far away from the upper pull rod 15 is fixedly connected with a limiting end head so as to block and limit the positioning clamping strip 16, one end of the positioning clamping strip 16 far away from the limiting hole is provided with an outer positioning hole parallel to the central line of the limiting hole, an inner positioning hole parallel to the central line of the outer positioning hole is arranged at a position between the limiting hole and the outer positioning hole on the positioning clamping strip 16, the rotation limiting device further comprises a positioning rod fixed on the lower pull rod 13 and at the same side as the limiting rod, the central line of the positioning rod is parallel to the central line of the limiting rod, the length of the positioning rod is less than that of the limiting rod, the positioning clamping strips 16 can be sleeved on the positioning rod through the outer positioning holes and the inner positioning holes respectively and can be in sliding fit with the positioning rod along the central line direction of the positioning rod, when the upper pull rod 15 rotates to the supporting state, the positioning clamping strip 16 is sleeved on the positioning rod through the outer positioning hole to limit the rotation between the upper pull rod 15 and the lower pull rod 13, when the upper pull rod 15 rotates to a storage state, the positioning clamping strip 16 is sleeved on the positioning rod through the inner positioning hole to limit the rotation between the upper pull rod 15 and the lower pull rod 13, one end of the positioning rod far away from the lower pull rod 13 is in threaded connection with a positioning end head to block and limit the positioning clamping strip 16, when the positioning clamping strip 16 moves towards the limiting end, the positioning clamping strip 16 can slide out of the positioning rod.

In this embodiment, support base 10 and be located its be close to in its place side the position at perforation edge, place 1 upper surface of platform and be located the perforation edge place 1 extending direction's both sides be provided with respectively with place 1 fixed connection of platform have the reinforcing rib, the both ends of reinforcing rib are followed respectively perforation edge extending direction extends the setting, the both ends of reinforcing rib extend to both sides respectively support base 10's position and respectively with support base 10 fixed connection.

In this embodiment, two supporting bases 10 located on the same side are provided with a supporting reinforcing bar along the opposite direction, and two ends of the supporting reinforcing bar are respectively fixedly connected with the tops of the supporting bases 10 on the side where the supporting reinforcing bar is located.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a platform folding wheel structure, is including placing the platform, its characterized in that: a perforation is arranged on the placing table along the vertical direction, two sides of the upper surface of the placing table, which are positioned in the left and right directions of the perforation, are respectively and fixedly connected with a supporting base, a columnar wheel seat is arranged between the two supporting bases, a rotating shaft is symmetrically arranged on the surface of the columnar wheel seat close to one end of the columnar wheel seat by taking the central line of the columnar wheel seat as a symmetrical axis, the rotating shaft extends along the radial direction of the columnar wheel seat, the central line of the rotating shaft extends along the opposite direction of the two supporting bases, the rotating shaft is respectively and rotatably connected on the supporting base at the side of the columnar wheel seat, wheel shafts are symmetrically arranged on the surface of the columnar wheel seat close to the other end of the columnar wheel seat by taking the central line of the columnar wheel seat as a symmetrical axis, the central line of the wheel shafts is parallel to the central line of the rotating shaft, one end of the wheel shafts, which is far away from the columnar wheel seat, is provided with a wheel, when the central line of the columnar wheel seat rotates and is horizontally arranged, the projection of the wheel along the vertical direction is positioned in the projection of the perforation along the vertical direction, the surface of one end of the columnar wheel seat close to the wheel axle is provided with a lower hinged support, the lower hinged support is provided with a lower pull rod and is hinged with one end of the lower pull rod through a lower hinged shaft, a rotating plane of the columnar wheel seat rotating around a rotating shaft and a rotating plane of the lower pull rod rotating around the lower hinged shaft are positioned on the same plane, the upper surface of a placing table positioned outside the perforation and positioned on the side of the lower pull rod is fixedly connected with a fixed support, one side of the fixed support facing the lower pull rod is fixedly connected with an upper hinged support, the upper hinged support is provided with an upper pull rod, the upper hinged support is hinged with one end of the upper pull rod through an upper hinged shaft, the rotating plane of the upper pull rod rotating around the upper hinged shaft and the rotating plane of the lower pull rod rotating around the lower hinged shaft are positioned on the same plane, one end of the upper pull rod far away from the upper hinged shaft is hinged with one end of the lower pull rod far away from the lower hinged shaft through a middle hinged shaft, and the central line of the middle hinged shaft is respectively parallel to the central line of the upper hinged shaft and the central line of the lower hinged shaft, when the upper pull rod rotates to the supporting state, the upper pull rod can push the columnar wheel seat to rotate through the lower pull rod so that the columnar wheel seat is in a vertical state, the wheels stretch out of the lower side of the through holes, when the upper pull rod rotates to the storage state, the upper pull rod can pull the columnar wheel seat to rotate through the lower connecting rod so that the wheels are located above the plane of the lower surface of the storage table, a rotation limiting device is arranged between the upper pull rod and the lower pull rod, and when the upper pull rod is in the supporting state and the storage state respectively, the rotation limiting device can be used for limiting the rotation of the upper pull rod and the lower pull rod respectively.

2. The platform folding wheel structure of claim 1, wherein: the rotation limiting device comprises a limiting rod fixedly connected to the upper pull rod, the limiting rod extends along the radial direction of the upper pull rod, the central line of the limiting rod is parallel to the central line of the middle hinge shaft, a positioning clamping strip is arranged on the limiting rod, a limiting hole is formed in one end of the positioning clamping strip, the positioning clamping strip is sleeved on the limiting rod through the limiting hole and can be in sliding fit with the limiting rod along the central line direction of the limiting rod, a limiting end head is fixedly connected to one end of the limiting rod, which is far away from the upper pull rod, so that the positioning clamping strip can be blocked and limited, an outer positioning hole arranged in parallel with the central line of the limiting hole is formed in one end of the positioning clamping strip, which is far away from the limiting hole, an inner positioning hole arranged in parallel with the central line of the outer positioning hole is formed in the position, which is located between the limiting hole and the outer positioning hole, and the positioning rod is fixed on the lower pull rod and is in the same side direction with the limiting rod, the central line of locating lever is on a parallel with the central line of gag lever post, and the length of locating lever is less than the length of gag lever post, and the locator card strip can be established on the locating lever and can follow locating lever central line direction rather than sliding fit through outer locating hole and interior locating hole cover respectively, works as when going up the pull rod rotates to the support state, the locator card strip is established on the locating lever with right through outer locating hole cover last pull rod with rotation between the pull rod down limits, works as when going up the pull rod rotates to the state of accomodating, the locator card strip is established on the locating lever with right through interior locating hole cover go up the pull rod with rotation between the pull rod down limits, and the locating lever is kept away from one end threaded connection of pull rod down has the location end in order to block the locator card strip spacing, and when the locator card strip moved towards spacing end direction, the locator card strip can the roll-off locating lever.

3. The platform folding wheel structure of claim 1, wherein: support the base be located its be close to in the position at perforation edge, place bench surface and be located the both sides of perforating along the fore-and-aft direction be provided with respectively with place a fixed connection have a reinforcing rib, the both ends of reinforcing rib are followed respectively perforation edge extending direction extends the setting, the both ends of reinforcing rib extend to both sides respectively support the position of base and respectively with support base fixed connection.

4. The platform folding wheel structure of claim 1, wherein: and a supporting reinforcing strip is arranged between the two supporting bases along the opposite direction, and the two ends of the supporting reinforcing strip are respectively fixedly connected with the tops of the supporting bases on the side where the supporting reinforcing strip is located.