CN211036717U - Pier top construction is with portable liftable guardrail - Google Patents
Pier top construction is with portable liftable guardrail Download PDFInfo
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- CN211036717U CN211036717U CN201921818934.0U CN201921818934U CN211036717U CN 211036717 U CN211036717 U CN 211036717U CN 201921818934 U CN201921818934 U CN 201921818934U CN 211036717 U CN211036717 U CN 211036717U
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Abstract
The utility model discloses a portable lifting guardrail for pier top construction, which comprises a base and a plurality of telescopic stand columns, wherein the base is horizontally supported on the pier top of a pier, and two rows of vertical locating parts for limiting the base are arranged on the pier top of the pier; scalable stand all includes lower cover post and upper column, controls and all connects and is provided with two slant pin around between the two through a horizontal pin between the lower cover post upper portion of two adjacent scalable stands. The utility model has simple structure, reasonable design, simple and convenient use and operation, good use effect, simple and convenient and quick adjustment of the height of the guardrail, and double protection by adopting the horizontal baffle rod and the oblique baffle rod, can meet the use requirements of guardrails with different heights and has safe and reliable use; the lower parts of the telescopic stand columns are installed in the base, the base is limited through the two rows of vertical limiting parts, the base can be simply, conveniently and quickly stably fixed on the pier top of the pier, the dismounting is simple and convenient, and the labor and the time are saved.
Description
Technical Field
The utility model relates to a guardrail especially relates to a mound top construction is with portable liftable guardrail.
Background
In the bridge construction process, constructors often need to construct on the tops of piers (namely pier tops), such as bridge support construction and girder erection, and the pier tops are required to be used as a construction platform. For safety reasons, safety barriers of more than half a person's height are usually placed around the construction platform on the top of the pier to avoid accidents. However, when the cantilever method is used for erecting the main beam of the constructed bridge, especially for erecting the beam section adjacent to the pier, the safety fence at the top of the pier occupies a large space, so that the installation space and the operation space of the cradle are limited, and the influence on the installation and the normal operation of the cradle is inevitable, so that the safety fence at the top of the pier needs to be temporarily removed during the erection process of the beam section adjacent to the pier, and the safety fence at the top of the pier is reinstalled after the beam section adjacent to the pier is erected. Because the guardrail adopts welding mode and mound top built-in fitting fixed connection usually, when the guardrail is dismantled the back and is reinstalled, waste time and energy to safety barrier reinstallates inconveniently and is difficult for firm fixed. Meanwhile, when the hanging basket is adopted to erect the beam section adjacent to the pier, because the lower attachment device of the hanging basket cannot be tightly attached to the construction platform on the pier top, the construction area between the pier top and the hanging basket is not shielded by a guardrail, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that aiming at the defects in the prior art, the utility model provides a portable liftable guardrail for pier top construction, which has simple structure, reasonable design, simple and convenient use and operation and good use effect, and can simply, conveniently and quickly adjust the height of the guardrail by adopting a plurality of telescopic upright posts as guardrail upright posts; the horizontal blocking rod and the oblique blocking rod are adopted for double protection, the use requirements of guardrails with different heights can be met, and the use process is safe and reliable; moreover, the lower parts of the plurality of telescopic stand columns are all arranged in the base, and the telescopic stand columns are respectively limited and fixed through the two vertical side plates of the base, so that the integrity and the support stability of the guardrail can be ensured; meanwhile, the base is limited by the two rows of vertical limiting parts, so that the base is clamped between the two rows of vertical limiting parts, the base can be simply, conveniently and quickly stably fixed on the pier top of the pier, the disassembly and the assembly are simple and convenient, and the labor and the time are saved.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a mound top construction is with portable liftable guardrail which characterized in that: the device comprises a base horizontally supported on the pier top of a pier and a plurality of telescopic vertical columns arranged on the same vertical surface from left to right, wherein the plurality of telescopic vertical columns are identical in structure and size and are arranged from left to right along the length direction of the base;
the bridge pier is a reinforced concrete bridge pier, two rows of vertical limiting parts for limiting the base are arranged on the top of the bridge pier, the base is clamped between the two rows of vertical limiting parts, and each row of vertical limiting parts comprises a plurality of vertical limiting parts arranged from left to right along the length direction of the base; the base is horizontally arranged, the cross section of the base is in a concave shape, the base comprises a horizontal bottom plate and two vertical side plates which are respectively connected to the upper parts of the front side and the rear side of the horizontal bottom plate, and the two vertical side plates are arranged in parallel;
each telescopic upright column comprises a lower sleeve column and an upper upright column which is coaxially sleeved in the lower sleeve column from top to bottom, the lower sleeve column is a hollow column, and the lower sleeve column and the upper upright column are steel columns which are vertically arranged; the bottom of each lower casing column is supported on a horizontal bottom plate, the lower part of each lower casing column is clamped between the two vertical side plates, the lower part of each lower casing column is fixedly connected with the two vertical side plates through fasteners, and the fasteners are horizontally arranged and are vertically arranged with the vertical side plates;
the upper parts of the lower sleeve columns of the left and right adjacent telescopic stand columns are connected through a horizontal stop lever, and the horizontal stop lever is a straight lever which is horizontally arranged and is arranged in parallel with the base;
the left and right adjacent telescopic vertical columns and the horizontal stop lever connected between the left and right adjacent telescopic vertical columns form an adjacent vertical column group, the left and right adjacent telescopic vertical columns in each adjacent vertical column group are respectively a left vertical column and a right vertical column positioned on the right side of the left vertical column, two oblique stop levers are arranged between the left vertical column and the right vertical column, and the two oblique stop levers are straight swing levers capable of swinging on a vertical surface; the two inclined stop levers are respectively a front inclined stop lever and a rear inclined stop lever which are arranged on the front side and the rear side of the horizontal stop lever, the front inclined stop lever is gradually inclined downwards from left to right, the upper end of the front inclined stop lever is arranged on the top of the front side wall of the left upright post in a hinged mode, a front sliding piece is arranged at the lower end of the front inclined stop lever, and a front sliding groove for the front sliding piece to slide left and right is formed in the front side of the horizontal stop lever; the rear side inclined blocking rod is gradually inclined downwards from right to left, the upper end of the rear side inclined blocking rod is arranged at the top of the rear side wall of the right upright post in a hinged mode, a rear side sliding piece is arranged at the lower end of the rear side inclined blocking rod, and a rear sliding groove for the rear side sliding piece to slide left and right is formed in the rear side of the horizontal blocking rod; the front sliding groove and the rear sliding groove are straight grooves which are horizontally arranged and are arranged in parallel with the base, and the lower end of the front side oblique stop lever and the front side sliding part and the lower end of the rear side oblique stop lever and the rear side sliding part are connected in a hinged mode.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the front side oblique stop lever and the rear side oblique stop lever are both strip-shaped steel rods, and the cross sections of the strip-shaped steel rods are rectangular.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the horizontal stop rod is a solid rod, and the cross section of the horizontal stop rod is rectangular.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the fastening piece is a fastening bolt which is horizontally arranged, and the fastening bolt and the horizontal stop lever are horizontally arranged; and a plurality of bolt mounting holes for mounting fastening bolts are formed in the two vertical side plates, and a bolt mounting hole for mounting the fastening bolt is formed in the lower part of each lower sleeve column.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the base is a channel steel which is horizontally arranged and provided with an upward notch, the horizontal bottom plate is a web plate of the channel steel, and the two vertical side plates are flange plates of the channel steel.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the lower sleeve column and the upper upright column are both round steel pipes.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: each telescopic upright post also comprises a locking sleeve which can horizontally rotate around the upper upright post and can move up and down on the upper upright post, and the locking sleeves are vertically arranged; the locking sleeve comprises an upper sleeve body and a lower sleeve body connected to the position right below the upper sleeve body, the upper sleeve body and the lower sleeve body are both circular and coaxially arranged, the inner diameter of the upper sleeve body is smaller than that of the lower sleeve body, the inner diameter of the upper sleeve body is the same as the outer diameter of the upper upright post, and the upper sleeve body is coaxially sleeved on the upper upright post; the lower sleeve body is a threaded sleeve provided with internal threads, and the upper section of the lower sleeve column is a threaded section matched with the threaded sleeve for use.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the vertical limiting part is an anchoring part or an embedded part;
the anchoring part is a vertical anchor bolt or a vertical planting bar of which the lower part is anchored in the pier;
the embedded part is an exposed section of a vertical steel bar arranged in the pier, and the exposed section is a steel bar section of which the upper part of the vertical steel bar extends to the upper part of the pier.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the upper end of the front side inclined blocking rod is connected with the left upright post, and the upper end of the rear side inclined blocking rod is connected with the right upright post through an upper articulated shaft;
the structure and the size of the front side sliding part and the rear side sliding part are the same and both are horizontal sliding parts, and the horizontal sliding parts are cubic sliding blocks or cylindrical sliding blocks which are vertically arranged.
Above-mentioned mound top construction is with portable liftable guardrail, characterized by: the horizontal sliding part is connected with the front side oblique stop lever and the rear side oblique stop lever through a lower articulated shaft, the lower articulated shaft is horizontally arranged and is vertically arranged with the horizontal stop lever, and the lower articulated shaft is coaxially arranged with the horizontal sliding part connected with the lower articulated shaft;
the cross sections of the front sliding chute and the rear sliding chute are rectangular and have the same size; a front side sliding groove which is used for the left-right sliding of the lower hinged shaft and is communicated with the front sliding groove is formed in the front side of the horizontal stop lever, and the front side sliding groove is positioned right in front of the front sliding groove; a rear sliding groove which is used for the left-right sliding of the lower hinged shaft and is communicated with the rear sliding groove is formed in the rear side of the horizontal stop lever, and the rear sliding groove is positioned right behind the rear sliding groove; the cross section of front side spout and back sideslip groove is the rectangle and the cross section size of the two is the same, the groove width of front side spout is less than the groove width of preceding spout.
Compared with the prior art, the utility model has the following advantage:
1. simple structure, reasonable in design and input cost are lower.
2. The adopted base has the advantages of simple structure, reasonable design, simple and convenient processing, manufacturing and using operation, good use effect, stable support of the telescopic stand column, clamping and fixing through two rows of vertical locating parts, simple and convenient disassembly and assembly, and stable and reliable fixation.
3. The adopted telescopic stand column base is simple in structure, reasonable in design, easy and convenient to process, manufacture and use, good in using effect, simple and convenient to adjust the whole height of the guardrail, and the adopted locking strip is simple and convenient to process, manufacture, convenient to lock and good in locking effect, and can effectively strengthen the joint between the upper stand column and the lower sleeve column, so that the stability of the telescopic stand column in the rising state is ensured.
4. The adopted oblique stop lever has simple structure, reasonable design, simple and convenient processing, manufacturing, using and operation and good using effect, the oblique stop lever can swing up and down on a vertical surface, and the oblique stop lever, the telescopic upright post and the horizontal stop lever are connected in a hinged mode, so the connection is simple, convenient and reliable; and adopt horizontal baffle to provide the passageway that slides for the slant pin, horizontal pin and slant pin constitute dual protective structure simultaneously, ensure that the guardrail is in the raising condition and reduces the protective effect who changes the attitude.
5. The use and operation are simple and convenient, the use effect is good, and the height of the guardrail can be simply, conveniently and quickly adjusted by adopting a plurality of telescopic upright posts as the guardrail upright posts; the horizontal blocking rod and the oblique blocking rod are adopted for double protection, the use requirements of guardrails with different heights can be met, and the use process is safe and reliable; moreover, the lower parts of the plurality of telescopic stand columns are all arranged in the base, and the telescopic stand columns are respectively limited and fixed through the two vertical side plates of the base, so that the integrity and the support stability of the guardrail can be ensured; meanwhile, the base is limited by the two rows of vertical limiting parts, so that the base is clamped between the two rows of vertical limiting parts, the base can be simply, conveniently and quickly stably fixed on the pier top of the pier, the disassembly and the assembly are simple and convenient, and the labor and the time are saved. In the time of the in-service use, the utility model discloses can go up and down the adjustment at any time, the using-way is nimble to the dismouting is simple and convenient, fixed firm, and the installation is swift, can ensure that work progress safety, reliable, when needs provide the space for hanging basket installation and normal operation, the utility model discloses can portably descend the adjustment to can adjust out a plurality of heights, satisfy different string basket installation and operation space demand, the using-way is nimble, can adjust at any time along with site environment changes, ensures construction safety, economical and practical is particularly useful for the complicated condition of site operation environment, and the use saves labour and saves time, can effectively practice thrift engineering time, ensures construction period.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of the usage state of the present invention.
Fig. 2 is a schematic structural view of the present invention except for the base.
Fig. 3 is a schematic view of the connection state of the horizontal stop lever with the front-side oblique stop lever and the rear-side oblique stop lever.
Fig. 4 is a schematic cross-sectional structure view of the horizontal stop lever of the present invention.
Description of reference numerals:
1-a base; 1-horizontal floor; 1-2-vertical side plates;
2-a telescopic column; 2-1, lower sleeving column; 2-upper column;
3-vertical locating piece; 4-horizontal stop lever; 5, a front side oblique stop lever;
6, a rear side is inclined to the stop lever; 7-front side glide; 8-front chute;
9-rear side glide; 10-rear chute; 11-lower hinge axis;
12-front side chute; 13-rear side chute; 14-upper hinge shaft;
15-a locking sleeve; 15-1-upper sleeve body; 15-2-lower part sleeve body;
16-fastening bolt.
Detailed Description
As shown in fig. 1 and 2, the present invention comprises a base 1 horizontally supported on the pier top of the pier and a plurality of telescopic columns 2 arranged on the same vertical surface from left to right, wherein the plurality of telescopic columns 2 have the same structure and size and are arranged from left to right along the length direction of the base 1;
the bridge pier is a reinforced concrete bridge pier, two rows of vertical limiting parts 3 for limiting the base 1 are arranged on the top of the bridge pier, the base 1 is clamped between the two rows of vertical limiting parts 3, and each row of vertical limiting parts 3 comprises a plurality of vertical limiting parts 3 arranged from left to right along the length direction of the base 1; the base 1 is horizontally arranged, the cross section of the base 1 is in a concave shape, the base 1 comprises a horizontal bottom plate 1-1 and two vertical side plates 1-2 which are respectively connected to the upper parts of the front side and the rear side of the horizontal bottom plate 1-1, and the two vertical side plates 1-2 are arranged in parallel;
each telescopic upright post 2 comprises a lower sleeve column 2-1 and an upper upright post 2-2 coaxially sleeved in the lower sleeve column 2-1 from top to bottom, the lower sleeve column 2-1 is a hollow column, and the lower sleeve column 2-1 and the upper upright post 2-2 are steel columns which are vertically arranged; the bottom of each lower casing column 2-1 is supported on a horizontal bottom plate 1-1, the lower part of each lower casing column 2-1 is clamped between two vertical side plates 1-2, the lower part of each lower casing column 2-1 is fixedly connected with the two vertical side plates 1-2 through fasteners, and the fasteners are horizontally arranged and are vertically arranged with the vertical side plates 1-2;
the upper parts of the lower sleeve columns 2-1 of the two adjacent left and right telescopic vertical columns 2 are connected through a horizontal baffle rod 4, and the horizontal baffle rod 4 is a horizontal rod which is horizontally arranged and is arranged in parallel with the base 1;
the two telescopic vertical columns 2 adjacent to each other on the left and right sides and the horizontal stop rod 4 connected between the two telescopic vertical columns form an adjacent vertical column group, the two telescopic vertical columns 2 adjacent to each other on the left and right sides in each adjacent vertical column group are respectively a left vertical column and a right vertical column positioned on the right side of the left vertical column, two oblique stop rods are arranged between the left vertical column and the right vertical column, and the two oblique stop rods are straight swing rods capable of swinging on a vertical surface; with reference to fig. 3 and 4, the two oblique blocking rods are respectively a front oblique blocking rod 5 and a rear oblique blocking rod 6 which are arranged on the front side and the rear side of the horizontal blocking rod 4, the front oblique blocking rod 5 is gradually inclined downwards from left to right, the upper end of the front oblique blocking rod 5 is mounted at the top of the front side wall of the left upright post in a hinged manner, a front sliding member 7 is arranged at the lower end of the front oblique blocking rod 5, and a front sliding groove 8 for the front sliding member 7 to slide left and right is formed in the front side of the horizontal blocking rod 4; the rear oblique stop lever 6 is gradually inclined downwards from right to left, the upper end of the rear oblique stop lever is arranged at the top of the rear side wall of the right upright post in a hinged mode, a rear sliding piece 9 is arranged at the lower end of the rear oblique stop lever 6, and a rear sliding groove 10 for the rear sliding piece 9 to slide left and right is formed in the rear side of the horizontal stop lever 4; the front sliding groove 8 and the rear sliding groove 10 are both straight grooves which are horizontally arranged and are arranged in parallel with the base 1, and the lower end of the front side inclined baffle rod 5 and the front side sliding part 7 as well as the lower end of the rear side inclined baffle rod 6 and the rear side sliding part 9 are connected in a hinged mode.
In this embodiment, the front-side oblique blocking rod 5 and the rear-side oblique blocking rod 6 are both strip-shaped steel rods, and the cross sections of the strip-shaped steel rods are rectangular.
Referring to fig. 3 and 4, the horizontal bar 4 is a solid bar and has a rectangular cross section. The horizontal stop lever 4 is a steel lever, and the horizontal stop lever 4 is fixedly connected with the lower sleeve column 2-1 in a welding mode or connected through a connecting bolt.
In this embodiment, the horizontal stop lever 4 is connected with the lower sleeve column 2-1 through a connecting bolt. Therefore, the practical disassembly and assembly are simple and convenient, and the connection is reliable.
In this embodiment, the fastening member is a fastening bolt 16 which is horizontally arranged, and the fastening bolt 16 and the horizontal stop lever 4 are horizontally arranged; a plurality of bolt mounting holes for mounting the fastening bolts 16 are formed in the two vertical side plates 1-2, and bolt mounting holes for mounting the fastening bolts 16 are formed in the lower portion of each lower sleeve column 2-1.
The lower part of each lower casing column 2-1 is fixedly connected with the two vertical side plates 1-2 through one or more fasteners, and the fasteners are arranged on the same horizontal plane from left to right.
In this embodiment, the lower portion of each lower casing pillar 2-1 is fixedly connected with the two vertical side plates 1-2 through one fastener.
In practical use, the number of the fasteners connected between the lower part of each lower casing pillar 2-1 and the two vertical side plates 1-2 and the arrangement positions of the fasteners can be adjusted correspondingly according to specific requirements.
In this embodiment, the base 1 is a channel steel which is horizontally arranged and has an upward notch, the horizontal bottom plate 1-1 is a web of the channel steel, and the two vertical side plates 1-2 are flange plates of the channel steel. The practical processing is simple and convenient, and the fixation is convenient.
In this embodiment, the lower casing column 2-1 and the upper upright column 2-2 are both circular steel pipes.
As shown in fig. 1 and 2, each telescopic upright post 2 further comprises a locking sleeve 15 which can horizontally rotate around the upper upright post 2-2 and can move up and down on the upper upright post 2-2, and the locking sleeve 15 is vertically arranged; the locking sleeve 15 comprises an upper sleeve body 15-1 and a lower sleeve body 15-2 connected to the right lower side of the upper sleeve body 15-1, the upper sleeve body 15-1 and the lower sleeve body 15-2 are both circular and coaxially arranged, the inner diameter of the upper sleeve body 15-1 is smaller than that of the lower sleeve body 15-2, the inner diameter of the upper sleeve body 15-1 is the same as the outer diameter of the upper upright post 2-2, and the upper sleeve body 15-1 is coaxially sleeved on the upper upright post 2-2; the lower sleeve body 15-2 is a threaded sleeve provided with internal threads, and the upper section of the lower sleeve column 2-1 is a threaded section matched with the threaded sleeve for use.
In practical use, the locking sleeve 15 can also adopt other types of locking devices, such as a locking device used on a telescopic rod, and the upper upright post 2-2 and the lower sleeve post 2-1 can be locked and fixed only after the upper upright post 2-2 is lifted to a proper position.
In the embodiment, the locking sleeve 15 has a simple structure, is simple and convenient to process and manufacture, is convenient to lock, has a good locking effect, and can effectively reinforce the joint between the upper upright post 2-2 and the lower sleeve post 2-1, thereby ensuring the stability of the telescopic upright post 2 in a rising state.
In this embodiment, the upper end of the front-side inclined blocking rod 5 and the left upright and the upper end of the rear-side inclined blocking rod 6 and the right upright are connected through an upper hinge shaft 14, and the upper hinge shaft 14 is horizontally arranged and vertically arranged with the horizontal blocking rod 4.
The front side sliding part 7 and the rear side sliding part 9 are identical in structure and size and are both horizontal sliding parts, and the horizontal sliding parts are cubic sliding blocks or cylindrical sliding blocks which are vertically arranged. In this embodiment, the horizontal sliding member is a cubic slider arranged vertically. In practical use, the horizontal sliding piece can also be a sliding block with other shapes, such as a regular polygon sliding block.
In this embodiment, the horizontal sliding member is connected to the front-side oblique blocking rod 5 and the rear-side oblique blocking rod 6 through a lower hinge shaft 11, the lower hinge shaft 11 is horizontally arranged and vertically arranged with the horizontal blocking rod 4, and the lower hinge shaft 11 is coaxially arranged with the horizontal sliding member connected thereto.
The cross sections of the front sliding chute 8 and the rear sliding chute 10 are rectangular and the cross sections of the front sliding chute and the rear sliding chute are the same in size; a front side sliding groove 12 which is used for the left-right sliding of a lower hinged shaft 11 and is communicated with the front sliding groove 8 is formed in the front side of the horizontal stop lever 4, and the front side sliding groove 12 is positioned right in front of the front sliding groove 8; a rear side sliding groove 13 which is used for the left-right sliding of the lower hinged shaft 11 and communicated with the rear sliding groove 10 is formed in the rear side of the horizontal stop lever 4, and the rear side sliding groove 13 is positioned right behind the rear sliding groove 10; the cross section of front side spout 12 and back sideslip groove 13 is the rectangle and the cross sectional dimension of the two is the same, the groove width of front side spout 12 is less than the groove width of front spout 8.
For easy dismounting, every go up 14 outer ends of articulated shaft and every 11 outer ends of articulated seat all are provided with lock nut down.
During the in-service use, every row be a plurality of in the vertical locating part 3 is evenly laid, two rows vertical locating part 3 among the vertical locating part 3 is the crisscross laying.
The vertical limiting part 3 is an anchoring part or an embedded part;
the anchoring part is a vertical anchor bolt or a vertical planting bar of which the lower part is anchored in the pier;
the embedded part is an exposed section of a vertical steel bar arranged in the pier, and the exposed section is a steel bar section of which the upper part of the vertical steel bar extends to the upper part of the pier.
In this embodiment, the anchoring member is a vertical anchor bolt having a lower portion anchored in the pier.
In the actual work progress, before the adoption is hung the basket and is erect the roof beam section that is close to the pier, the utility model discloses be in the rising state, see in detail figure 1.
Before erecting the beam section close to the pier by using the hanging basket, screwing the locking sleeves 15 on the telescopic upright columns 2 upwards, and separating the locking sleeves 15 from the lower sleeve columns 2-1; then, the upper upright post 2-2 of each telescopic upright post 2 gradually moves downwards under the action of gravity until the lower sleeve post 2-1 cannot move downwards, at the moment, the utility model is in a reduction state to achieve the purpose of reducing the overall height of the guardrail, and the telescopic upright posts 2, the horizontal stop lever 4, the front side inclined stop lever 5 and the rear side inclined stop lever 6 form a reliable protective guardrail, so that the safety and reliability of the construction process are ensured; the locking sleeve 15 is pushed to synchronously move upwards in the downward movement process of the upper upright post 2-2, the upper ends of the front side oblique stop lever 5 and the rear side oblique stop lever 6 synchronously move downwards, the lower end of the front side oblique stop lever 5 synchronously moves rightwards, and the lower end of the rear side oblique stop lever 6 synchronously moves leftwards.
In practical use, the front side oblique stop lever 5 and the rear side oblique stop lever 6 can prevent the lower sleeve column 2-1 from moving downwards to a certain extent, so that the front side oblique stop lever 5 and the rear side oblique stop lever 6 can be detached when the mounting and normal operation requirements of the hanging basket cannot be met even after the lower sleeve column 2-1 cannot move downwards; after the front side oblique stop lever 5 and the rear side oblique stop lever 6 are detached, the lower sleeve column 2-1 can continue to move downwards, so that a larger space is provided for hanging basket installation and normal operation, and the telescopic upright column 2 and the horizontal stop lever 4 form a reliable protective guardrail, so that the safety and reliability of the construction process are ensured.
According to the actual need, after front side oblique pin 5 and rear side oblique pin 6 all demolish, still can not satisfy the installation of hanging the basket and when normal operation demand, can also all demolish scalable stand 2 from base 1 to for hanging the basket installation and normally operating provide the maximum space, through two rows this moment vertical locating part 3 and base 1 constitute protective structure on the pier mound plays the safety protection purpose, ensures that the work progress is safe, reliable.
After the girder section close to the bridge pier is erected by adopting the hanging basket, the upper upright columns 2-2 of the telescopic upright columns 2 are lifted upwards, and the locking sleeves 15 on the telescopic upright columns 2 gradually move downwards under the action of gravity in the process that the upper upright columns 2-2 are lifted upwards; treat that the last stand 2-2 of each scalable stand 2 can not upwards lift when, twist soon the lock sleeve 15 on the scalable stand 2 all upwards, until lock sleeve 15 and lower sleeve post 2-1 fastening connection as an organic whole, this moment the utility model discloses be in the rising state, reach the purpose of rising guardrail overall height to scalable stand 2, horizontal pin 4 and front side slant pin 5 and rear side slant pin 6 constitute reliable protection guardrail, ensure that the work progress is safe, reliable.
In the upward lifting process of the upper upright post 2-2, the upper ends of the front side oblique stop lever 5 and the rear side oblique stop lever 6 synchronously move upward, the lower end of the front side oblique stop lever 5 synchronously moves leftward, and the lower end of the rear side oblique stop lever 6 synchronously moves rightward.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (10)
1. The utility model provides a mound top construction is with portable liftable guardrail which characterized in that: the pier comprises a base (1) horizontally supported on the pier top of a pier and a plurality of telescopic vertical columns (2) arranged on the same vertical surface from left to right, wherein the structures and the sizes of the plurality of telescopic vertical columns (2) are the same, and the plurality of telescopic vertical columns (2) are arranged along the length direction of the base (1) from left to right;
the bridge pier is a reinforced concrete bridge pier, two rows of vertical limiting parts (3) for limiting the base (1) are arranged on the top of the bridge pier, the base (1) is clamped between the two rows of vertical limiting parts (3), and each row of vertical limiting parts (3) comprises a plurality of vertical limiting parts (3) which are arranged along the length direction of the base (1) from left to right; the base (1) is horizontally arranged, the cross section of the base is in a concave shape, the base (1) comprises a horizontal bottom plate (1-1) and two vertical side plates (1-2) which are respectively connected to the upper parts of the front side and the rear side of the horizontal bottom plate (1-1), and the two vertical side plates (1-2) are arranged in parallel;
each telescopic upright post (2) comprises a lower sleeve post (2-1) and an upper upright post (2-2) coaxially sleeved in the lower sleeve post (2-1) from top to bottom, the lower sleeve post (2-1) is a hollow post, and the lower sleeve post (2-1) and the upper upright post (2-2) are vertically arranged steel columns; the bottom of each lower casing column (2-1) is supported on a horizontal bottom plate (1-1), the lower part of each lower casing column (2-1) is clamped between two vertical side plates (1-2), the lower part of each lower casing column (2-1) is fixedly connected with the two vertical side plates (1-2) through fasteners, and the fasteners are horizontally arranged and are vertically arranged with the vertical side plates (1-2);
the upper parts of the lower sleeved columns (2-1) of the left and right adjacent telescopic upright columns (2) are connected through a horizontal stop lever (4), and the horizontal stop lever (4) is a straight lever which is horizontally arranged and is arranged in parallel with the base (1);
the left and right adjacent telescopic vertical columns (2) and the horizontal stop rod (4) connected between the left and right adjacent telescopic vertical columns form an adjacent vertical column group, the left and right adjacent telescopic vertical columns (2) in each adjacent vertical column group are respectively a left vertical column and a right vertical column positioned on the right side of the left vertical column, two oblique stop rods are arranged between the left vertical column and the right vertical column, and the two oblique stop rods are straight swinging rods capable of swinging on a vertical surface; the two inclined stop levers are respectively a front inclined stop lever (5) and a rear inclined stop lever (6) which are arranged on the front side and the rear side of the horizontal stop lever (4), the front inclined stop lever (5) is gradually inclined downwards from left to right, the upper end of the front inclined stop lever is arranged at the top of the front side wall of the left upright post in a hinged mode, a front sliding piece (7) is arranged at the lower end of the front inclined stop lever (5), and a front sliding groove (8) for the front sliding piece (7) to slide left and right is formed in the front of the horizontal stop lever (4); the rear oblique stop lever (6) is gradually inclined downwards from right to left, the upper end of the rear oblique stop lever is mounted at the top of the rear side wall of the right upright post in a hinged mode, a rear sliding piece (9) is arranged at the lower end of the rear oblique stop lever (6), and a rear sliding groove (10) for the rear sliding piece (9) to slide left and right is formed in the rear side of the horizontal stop lever (4); the front sliding groove (8) and the rear sliding groove (10) are both straight grooves which are horizontally arranged and are arranged in parallel with the base (1), and the lower end of the front side oblique stop lever (5) and the front side sliding part (7) as well as the lower end of the rear side oblique stop lever (6) and the rear side sliding part (9) are connected in a hinged mode.
2. The portable liftable guardrail for pier top construction according to claim 1, wherein: the front side oblique stop lever (5) and the rear side oblique stop lever (6) are both strip-shaped steel rods, and the cross sections of the strip-shaped steel rods are rectangular.
3. The portable liftable guardrail for pier top construction according to claim 1 or 2, wherein: the horizontal stop rod (4) is a solid rod, and the cross section of the horizontal stop rod is rectangular.
4. The portable liftable guardrail for pier top construction according to claim 1 or 2, wherein: the fastening piece is a fastening bolt (16) which is horizontally arranged, and the fastening bolt (16) and the horizontal stop lever (4) are horizontally arranged; the two vertical side plates (1-2) are provided with a plurality of bolt mounting holes for mounting fastening bolts (16), and the lower part of each lower sleeve column (2-1) is provided with a bolt mounting hole for mounting the fastening bolt (16).
5. The portable liftable guardrail for pier top construction according to claim 1 or 2, wherein: the base (1) is a channel steel which is horizontally arranged and provided with an upward notch, the horizontal bottom plate (1-1) is a web plate of the channel steel, and the two vertical side plates (1-2) are flange plates of the channel steel.
6. The portable liftable guardrail for pier top construction according to claim 1 or 2, wherein: the lower sleeve column (2-1) and the upper upright column (2-2) are both round steel pipes.
7. The portable liftable guardrail for pier top construction according to claim 6, wherein: each telescopic upright post (2) also comprises a locking sleeve (15) which can horizontally rotate around the upper upright post (2-2) and can move up and down on the upper upright post (2-2), and the locking sleeves (15) are vertically arranged; the locking sleeve (15) comprises an upper sleeve body (15-1) and a lower sleeve body (15-2) connected to the position right below the upper sleeve body (15-1), the upper sleeve body (15-1) and the lower sleeve body (15-2) are both circular and coaxially arranged, the inner diameter of the upper sleeve body (15-1) is smaller than that of the lower sleeve body (15-2), the inner diameter of the upper sleeve body (15-1) is the same as the outer diameter of the upper upright post (2-2), and the upper sleeve body (15-1) is coaxially sleeved on the upper upright post (2-2); the lower sleeve body (15-2) is a threaded sleeve with internal threads, and the upper section of the lower sleeve column (2-1) is a threaded section matched with the threaded sleeve for use.
8. The portable liftable guardrail for pier top construction according to claim 1 or 2, wherein: the vertical limiting part (3) is an anchoring part or an embedded part;
the anchoring part is a vertical anchor bolt or a vertical planting bar of which the lower part is anchored in the pier;
the embedded part is an exposed section of a vertical steel bar arranged in the pier, and the exposed section is a steel bar section of which the upper part of the vertical steel bar extends to the upper part of the pier.
9. The portable liftable guardrail for pier top construction according to claim 1 or 2, wherein: the upper end of the front side inclined blocking rod (5) is connected with the left upright post, the upper end of the rear side inclined blocking rod (6) is connected with the right upright post through an upper articulated shaft (14), and the upper articulated shaft (14) is horizontally arranged and is vertically arranged with the horizontal blocking rod (4);
the structure and the size of the front side sliding piece (7) and the rear side sliding piece (9) are the same and both the front side sliding piece and the rear side sliding piece are horizontal sliding pieces, and the horizontal sliding pieces are cubic sliding blocks or cylindrical sliding blocks which are vertically arranged.
10. The portable liftable guardrail for pier top construction according to claim 9, wherein: the horizontal sliding part is connected with the front side oblique stop lever (5) and the rear side oblique stop lever (6) through a lower hinged shaft (11), the lower hinged shaft (11) is horizontally arranged and is vertically arranged with the horizontal stop lever (4), and the lower hinged shaft (11) is coaxially arranged with the horizontal sliding part connected with the lower hinged shaft;
the cross sections of the front sliding chute (8) and the rear sliding chute (10) are rectangular and the cross sections of the front sliding chute and the rear sliding chute are the same in size; a front side sliding groove (12) which is used for a lower hinged shaft (11) to slide left and right and is communicated with the front sliding groove (8) is formed in the front side of the horizontal stop lever (4), and the front side sliding groove (12) is positioned right in front of the front sliding groove (8); a rear sliding groove (13) which is used for the left-right sliding of a lower hinged shaft (11) and is communicated with the rear sliding groove (10) is formed in the rear side of the horizontal stop lever (4), and the rear sliding groove (13) is positioned right behind the rear sliding groove (10); the cross sections of the front side sliding groove (12) and the rear side sliding groove (13) are rectangular, the cross section sizes of the front side sliding groove and the rear side sliding groove are the same, and the groove width of the front side sliding groove (12) is smaller than that of the front sliding groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818934.0U CN211036717U (en) | 2019-10-26 | 2019-10-26 | Pier top construction is with portable liftable guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818934.0U CN211036717U (en) | 2019-10-26 | 2019-10-26 | Pier top construction is with portable liftable guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211036717U true CN211036717U (en) | 2020-07-17 |
Family
ID=71544979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921818934.0U Active CN211036717U (en) | 2019-10-26 | 2019-10-26 | Pier top construction is with portable liftable guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211036717U (en) |
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2019
- 2019-10-26 CN CN201921818934.0U patent/CN211036717U/en active Active
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