CN209760749U - Bottom support device for movable scaffold and movable scaffold - Google Patents
Bottom support device for movable scaffold and movable scaffold Download PDFInfo
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- CN209760749U CN209760749U CN201920051518.6U CN201920051518U CN209760749U CN 209760749 U CN209760749 U CN 209760749U CN 201920051518 U CN201920051518 U CN 201920051518U CN 209760749 U CN209760749 U CN 209760749U
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Abstract
The utility model discloses a bottom support device for a movable scaffold and the movable scaffold, belonging to the technical field of building construction, comprising a connecting rod, a support seat, a roller and a fixed bolt, wherein the support seat is of a box-shaped structure with an opening at the bottom, and two symmetrical side surfaces of the support seat are respectively and correspondingly provided with an upper fixed hole and a lower fixed hole; the connecting rod is vertically fixed on the top surface of the supporting seat; the roller is arranged in the supporting seat, a fixed seat is fixed at the top of the roller, a through hole is horizontally formed in the fixed seat, a fixed bolt penetrates through the upper fixed hole/the lower fixed hole on the two side faces and the through hole of the fixed seat to fix the roller and the supporting seat, and the top of the fixed seat is in adjustable fixed connection with the inner top face of the supporting seat; the distance from the upper fixing hole to the bottom surface of the supporting seat is greater than the distance from the bottom surface of the roller to the through hole of the fixing seat, and the distance from the lower fixing hole to the bottom surface of the supporting seat is less than the distance from the bottom surface of the roller to the through hole of the fixing seat. The utility model discloses simple structure facilitates for portable scaffold's use and management.
Description
Technical Field
The utility model belongs to the technical field of the construction technique and specifically relates to a bottom sprag device and portable scaffold frame for portable scaffold frame.
Background
scaffolding (scaffold) refers to various supports erected on construction sites for workers to handle and solve vertical and horizontal transportation, and a general term in the building industry refers to a place on a construction site where direct construction cannot be performed on an outer wall, interior decoration or a high story height. The scaffold is mainly used for protecting safety nets on the upper and lower parts of constructors or surrounding safety nets, installing members at high altitude and the like, and the scaffold is made of bamboo, steel pipes or synthetic materials and the like. In addition, the scaffold is widely used in advertising industry, municipal administration, traffic roads and bridges, mines and other departments.
The door type scaffold is one of scaffolds with the widest application range among scaffolds for buildings. The main frame is in a shape of a door, so the scaffold is called a door type or door type scaffold, and is also called a scaffold or a portal frame. The door-type scaffold is difficult to assemble and disassemble and inconvenient to move due to the fact that the door-type scaffold is large in size, the roller is required to be installed to facilitate moving due to construction requirements in order to avoid unnecessary assembling and disassembling procedures, and safety accidents often occur due to the fact that the roller is not fixed to the position.
Disclosure of Invention
The technical task of the utility model is to above weak point, provide a bottom sprag device and portable scaffold frame for portable scaffold frame, simple structure, convenient operation, safe in utilization facilitates for portable scaffold frame's use and management.
The utility model provides a technical scheme that its technical problem adopted is:
A bottom supporting device for a movable scaffold, which comprises a connecting rod, a supporting seat, a roller and a fixed bolt,
The supporting seat is of a box-shaped structure with an opening at the bottom, and an upper fixing hole and a lower fixing hole are correspondingly formed in symmetrical two side faces of the supporting seat respectively;
The connecting rod is vertically fixed on the top surface of the supporting seat;
The roller is arranged in the supporting seat, a fixed seat is fixed at the top of the roller, a through hole is horizontally formed in the fixed seat, a fixed bolt penetrates through the upper fixed hole/the lower fixed hole on the two side faces and the through hole of the fixed seat to fix the roller and the supporting seat, and the top of the fixed seat is in adjustable fixed connection with the inner top face of the supporting seat;
The distance from the upper fixing hole to the bottom surface of the supporting seat is greater than the distance from the bottom surface of the roller to the through hole of the fixing seat, and the distance from the lower fixing hole to the bottom surface of the supporting seat is less than the distance from the bottom surface of the roller to the through hole of the fixing seat.
When the roller is fixed at the upper fixing hole by the fixing bolt, the roller is in a retracted state, and the supporting seat is used as a supporting base of the scaffold; when the fixed bolt is fixed the gyro wheel in lower fixed orifices department, the gyro wheel is in the state of emitting, can carry out the removal of scaffold frame.
Preferably, the supporting seat is of a square structure with an opening at the bottom, so that the stability of the structure is guaranteed, and meanwhile, the roller is convenient to pack up and discharge.
Preferably, the top surface of the supporting seat is provided with a connecting hole matched with the connecting rod, and the connecting rod is inserted into the connecting hole and is welded and fixed with the top surface of the supporting seat, so that the connecting strength of the connecting rod and the supporting seat is increased.
preferably, the fixing seat is a horizontally arranged sleeve, the inner diameter of the sleeve is larger than the diameter of the fixing bolt, and the horizontal bottom surface of the sleeve is welded and fixed with the roller. The fixed bolt passes through the upper fixed hole or the lower fixed hole and the sleeve to realize the fixation of the roller. The length of the sleeve is slightly smaller than the transverse size of the supporting seat, and the roller is guaranteed to shake excessively when the roller is prevented from moving on the premise of smooth removal or installation.
Furthermore, the top of the fixing seat is fixedly welded with a telescopic adjusting assembly, the telescopic adjusting assembly comprises at least one group of vertically arranged sleeves and inner pipes, the top surfaces of the inner pipes/the sleeves are fixed on the top surfaces in the supporting seat, and the bottom surfaces of the sleeves/the inner pipes are fixed on the horizontal top surfaces of the fixing seat. The inner pipe and the sleeve can move relatively to realize the up-and-down movement of the roller, and the retraction of the roller is realized. When the roller needs to be released, the support seat is slightly lifted upwards, the roller falls down under the dead weight of the roller, and the roller is fixed in the lower fixing hole by using a fixing bolt; when the roller needs to be retracted, the fixing bolt at the lower fixing hole is drawn out, the supporting seat falls down, and the roller is fixed in the upper fixing hole by using the fixing bolt.
preferably, the telescopic adjusting assembly is two groups of symmetrically arranged sleeves and inner pipes, so that the supporting strength of the rollers on the upper frame body is ensured when the rollers are released to move.
Preferably, the fixing bolt comprises a pin rod and a nut, wherein one end of the pin rod is provided with a baffle seat, and the other end of the pin rod is provided with an external thread matched with the nut, so that the fixing bolt is convenient to use.
The utility model also discloses a portable scaffold frame, including foretell bottom sprag device, scaffold steel pipe and fastener, connecting rod upper portion is fixed with the scaffold steel pipe through the fastener.
Preferably, the fastener is a cross buckle, and the connecting rod is fixed with the scaffold steel pipe on the upper part through the cross buckle.
the utility model discloses a bottom sprag device and portable scaffold frame for portable scaffold frame compare with prior art, have following beneficial effect:
The telescopic roller is designed, so that the support base is used for bearing when the scaffold does not need to move, the movement of the scaffold can be realized, the stress area in daily use is increased, the traditional roller is prevented from being restrained by a roller brake pad, and the use safety of the scaffold is improved;
The supporting seat is designed into a box body structure, so that the supporting strength is improved, and the use performance is improved; the design of the fixed bolt ensures that the fixed operation of the roller is convenient and simple, the fixed bolt can be easily taken out from the outside, and the operation is simplified; the top of the roller is fixed with the supporting seat through the telescopic assembly, so that the roller can be automatically stretched under the action of gravity while the roller is vertical.
The bottom support device of the movable scaffold and the scaffold are of split structures, so that turnover among different scaffolds is achieved, cost can be saved, and using efficiency is improved.
Drawings
Fig. 1 is an overall structural view of a bottom support device for a movable scaffold according to the present invention;
Fig. 2 is an internal structural view of a bottom support device for a mobile scaffold according to the present invention;
FIG. 3 is a structural view of the support base;
Fig. 4 is a block diagram of a telescoping adjustment assembly.
In the figure, the device comprises a connecting rod 1, a connecting rod 2, a supporting seat 3, an upper fixing hole 4, a lower fixing hole 5, a roller 6, a fixing seat 7, a telescopic adjusting assembly 7-1, an inner pipe 7-2, a sleeve 8 and a fixing bolt.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
a bottom support device for a movable scaffold comprises a connecting rod 1, a supporting seat 2, a roller 5 and a fixing bolt 8. The supporting seat 2 is a box-shaped structure with an opening at the bottom, and an upper fixing hole 3 and a lower fixing hole 4 are correspondingly arranged on two symmetrical side surfaces of the supporting seat respectively.
Gyro wheel 5 sets up in supporting seat 2, and 5 tops of gyro wheel are fixed with fixing base 6, and the through-hole has been seted up to fixing base 6 upper level, and fixing bolt 8 passes the last fixed orifices 3/lower fixed orifices 4 of both sides face and the through-hole of fixing base 6 is fixed gyro wheel 5 and supporting seat 2, fixed connection with adjustable the interior top surface of fixing base 6 top and supporting seat 2.
The supporting seat 2 is of a square structure with an opening at the bottom, so that the stability of the structure is guaranteed, and meanwhile, the roller 5 is convenient to pack up and discharge. The distance from the upper fixing hole 3 to the bottom surface of the supporting seat 2 is greater than the distance from the bottom surface of the roller 5 to the through hole of the fixing seat 6, and the distance from the lower fixing hole 4 to the bottom surface of the supporting seat 2 is less than the distance from the bottom surface of the roller 5 to the through hole of the fixing seat 6. In this embodiment, the supporting seat 2 is composed of four side steel plates 140mm × 140mm × 5mm and top steel plates 140mm × 140mm × 8mm, and the two are welded and fixed to form a box body with the bottom removed. The side steel plates at the left and right sides are respectively provided with a lower fixing hole 4 and an upper fixing hole 3 with the diameter of 10mm at the positions 110mm and 125mm away from the bottom surface, and the total number of the holes is four.
The fixing seat 6 is a horizontally arranged sleeve, the inner diameter of the sleeve is larger than the diameter of the fixing bolt 8, and the horizontal bottom surface of the sleeve is welded and fixed with the roller 5. The fixed bolt 8 passes through the upper fixed hole 3 or the lower fixed hole 4 and the sleeve to realize the fixation of the roller 5. The length of the sleeve is slightly smaller than the transverse size of the supporting seat 2, and the roller is guaranteed to shake excessively when the roller is prevented from moving on the premise of smooth removal or installation. In this embodiment, the roller 5 is a universal roller with a diameter of 74mm, and the sleeve is a transverse steel pipe with a diameter of 26mm, a length of 130mm and a thickness of 3 mm.
connecting rod 1 is vertical to be fixed in the top surface of supporting seat 2, 2 top surfaces of supporting seat seted up with connecting rod 1 matched with connecting hole, connecting rod 1 inserts the connecting hole and with 2 top surfaces welded fastening of supporting seat, increase connecting rod 1 and supporting seat 2's joint strength. In this embodiment, the central point of 2 top steel sheets of supporting seat puts and opens the round hole that has a diameter 48mm, and bracing piece 1 chooses diameter 48mm for use, thick 3mm, long 500 mm's steel pipe, and the steel pipe is fixed with full welding after the round hole cooperation.
A telescopic adjusting component 7 is fixedly welded on the top of the fixed seat 6, the telescopic adjusting component 7 comprises at least one group of vertically arranged sleeve pipes 7-2 and inner pipes 7-1, the top surfaces of the inner pipes 7-1/the sleeve pipes 7-2 are fixed on the inner top surface of the fixed seat 2, and the bottom surfaces of the sleeve pipes 7-2/the inner pipes 7-1 are fixed on the horizontal top surface of the fixed seat 6. The inner tube 7-1 and the sleeve 7-2 can move relatively to realize the up-and-down movement of the roller 5 and the retraction of the roller 5. When the roller 5 needs to be released, the telescopic adjusting component 7 slightly lifts the supporting seat 2 upwards, the roller 5 falls down by the dead weight of the roller, and the roller 5 is fixed in the lower fixing hole 4 by using the fixing bolt 8; when the roller 5 needs to be retracted, the fixing bolt 8 at the lower fixing hole 4 is drawn out, the supporting seat 2 falls down, and the roller 5 is fixed in the upper fixing hole 3 by using the fixing bolt 8. In this embodiment, the telescopic adjusting assembly 7 is two sets of symmetrically arranged sleeves 7-2 and inner tubes 7-1, so as to ensure the supporting strength of the roller 5 on the upper frame body when the roller 5 is released to move.
When the roller 5 is fixed at the upper fixing hole 3 by the fixing bolt 8, the roller 5 is in a retracted state, and the supporting seat 2 is used as a supporting base of the scaffold; when the fixing bolt 8 is fixed the gyro wheel in lower fixed orifices 4 department, gyro wheel 5 is in the state of giving out, can carry out the removal of scaffold frame.
Fixing bolt 8 includes pin pole and nut, and the pin pole adopts diameter 20 mm's round steel, and one end is provided with keeps off the seat, the other end be provided with nut complex external screw thread, screw up the bolt with the nut during the use, prevent the roll-off.
the utility model also discloses a portable scaffold frame, including foretell bottom sprag device, scaffold steel pipe and fastener, connecting rod upper portion is fixed with the scaffold steel pipe through the fastener. The fastener should be a cross buckle, and the connecting rod is fixed with the scaffold steel pipe on the upper part through the cross buckle.
wherein bottom sprag device accessible fastener be fixed in different scaffolds, can have enough to meet the need the use between different scaffolds, practice thrift the cost.
During the use, remove the scaffold frame to desire fixed place, then lift up one of them leg of scaffold frame slightly upwards, extract the dead bolt 8 on 2 curb plates of supporting seat (lower fixed orifices 4), fall supporting seat 2 (promptly gyro wheel 5 withdrawal) and insert dead bolt 8 in the last fixed orifices 3 of 2 curb plates of supporting seat, fix gyro wheel 5 in supporting seat 2, stabilize according to this process with four legs of scaffold frame in proper order.
during the removal, treat that the staff is whole to get off the back on the scaffold, upwards lift up one leg of scaffold and extract the fixed bolt 8 of 2 curb plates of supporting seat (last fixed orifices 3), gyro wheel 5 relies on self gravity to fall downwards ejecting supporting seat 2, treat that fixing base 6 aligns with lower fixed orifices 4 of 2 curb plates of supporting seat, insert fixed bolt 8 and fix, operate four legs of scaffold according to this process in proper order, can carry out the removal of scaffold after fixed bolt 8 is all fixed.
Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
in addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (9)
1. A bottom supporting device for a movable scaffold is characterized by comprising a connecting rod, a supporting seat, a roller and a fixing bolt,
The supporting seat is of a box-shaped structure with an opening at the bottom, and an upper fixing hole and a lower fixing hole are correspondingly formed in symmetrical two side faces of the supporting seat respectively;
The connecting rod is vertically fixed on the top surface of the supporting seat;
the roller is arranged in the supporting seat, a fixed seat is fixed at the top of the roller, a through hole is horizontally formed in the fixed seat, a fixed bolt penetrates through the upper fixed hole/the lower fixed hole on the two side faces and the through hole of the fixed seat to fix the roller and the supporting seat, and the top of the fixed seat is in adjustable fixed connection with the inner top face of the supporting seat;
The distance from the upper fixing hole to the bottom surface of the supporting seat is greater than the distance from the bottom surface of the roller to the through hole of the fixing seat, and the distance from the lower fixing hole to the bottom surface of the supporting seat is less than the distance from the bottom surface of the roller to the through hole of the fixing seat.
2. A bottom support assembly for a mobile scaffolding as claimed in claim 1 wherein the support base is an open-bottomed cube structure.
3. the bottom bracing device for mobile scaffolding according to claim 1 or 2 wherein the top surface of the support base is formed with a connecting hole for engagement with the connecting rod, the connecting rod being inserted into the connecting hole and welded to the top surface of the support base.
4. The bottom bracing device for mobile scaffold according to claim 1, wherein the fixing base is a horizontally disposed sleeve, the inner diameter of the sleeve is larger than the diameter of the fixing bolt, and the horizontal bottom surface of the sleeve is welded and fixed with the roller.
5. The bottom bracing device for mobile scaffold according to claim 1 or 4, wherein the top of the fixing base is welded and fixed with a telescopic adjusting component, the telescopic adjusting component comprises at least one set of sleeve and inner tube which are all vertically arranged, the top surface of the inner tube/sleeve is fixed on the top surface of the supporting base, and the bottom surface of the sleeve/inner tube is fixed on the horizontal top surface of the fixing base.
6. A bottom prop device for mobile scaffolding according to claim 5, characterised in that the telescopic adjustment assemblies are two sets of sleeves and inner tubes arranged symmetrically.
7. The bottom supporter for portable scaffolding according to claim 1, wherein the fixing bolt comprises a pin and a nut, the pin having a stop at one end and an external thread at the other end for engaging with the nut.
8. A mobile scaffold comprising the bottom prop according to any one of claims 1 to 7, scaffold steel tubes and fasteners, wherein the upper portion of the connecting rod is fixed to the scaffold steel tubes by the fasteners.
9. A mobile scaffolding according to claim 8 wherein the fasteners are cross fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051518.6U CN209760749U (en) | 2019-01-10 | 2019-01-10 | Bottom support device for movable scaffold and movable scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051518.6U CN209760749U (en) | 2019-01-10 | 2019-01-10 | Bottom support device for movable scaffold and movable scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209760749U true CN209760749U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920051518.6U Active CN209760749U (en) | 2019-01-10 | 2019-01-10 | Bottom support device for movable scaffold and movable scaffold |
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| Country | Link |
|---|---|
| CN (1) | CN209760749U (en) |
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2019
- 2019-01-10 CN CN201920051518.6U patent/CN209760749U/en active Active
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