LU102601B1 - A sliding erection device for steel support - Google Patents

A sliding erection device for steel support Download PDF

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Publication number
LU102601B1
LU102601B1 LU102601A LU102601A LU102601B1 LU 102601 B1 LU102601 B1 LU 102601B1 LU 102601 A LU102601 A LU 102601A LU 102601 A LU102601 A LU 102601A LU 102601 B1 LU102601 B1 LU 102601B1
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LU
Luxembourg
Prior art keywords
steel support
vertical
sliding guide
guide block
limiting plate
Prior art date
Application number
LU102601A
Other languages
French (fr)
Inventor
Linlong Mu
Xiaoxiang Chen
Yiming Zhang
Jie Cao
Original Assignee
Univ Tongji
Jie Cao
Yiming Zhang
Xiaoxiang Chen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Tongji, Jie Cao, Yiming Zhang, Xiaoxiang Chen filed Critical Univ Tongji
Priority to LU102601A priority Critical patent/LU102601B1/en
Application granted granted Critical
Publication of LU102601B1 publication Critical patent/LU102601B1/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention relates to a sliding erection device for steel support which is arranged in the foundation pit and comprises a pair of downward sliding guide units which are oppositely arranged and respectively matched with two ends of a steel support, wherein the downward sliding guide units comprise a retaining wall arranged in the foundation pit, a fixed block arranged on the top of the retaining wall and a downward sliding guide block vertically arranged on one side of the fixed block and extending into the foundation pit. Compared with the prior art, by arranging a pair of downward sliding guide units, the invention vertically guides and highly positions both ends of the steel support, thereby realizing rapid and accurate positioning of the steel support during hoisting, simplifying the erection process of the steel support and ensuring the stability in the hoisting process.

Description

A sliding erection device for steel support
TECHNICAL FIELD The invention belongs to the technical field of steel support installation and relates to a sliding erection device for steel support.
BACKGROUND With the accelerated development of urbanization, the contradiction between the increasing demand for urban space and limited land resources has become increasingly prominent. The development and utilization of urban underground space has become one of the key points of current urban capital construction, and more and more foundation pit projects arc appearing in the process of urban construction. In the construction of deep foundation pit. the installation of steel support is a very important step. and whether the installation of steel support can be realized quickly and accurately is a key problem in the construction. At present, in the installation process of'steel supports. cranes are mainly used for hotsting steel supports in pits, and the hoisting positioning and installation are relatively complicated. During the hoisting process. the steel supports must be kept stable and cannot be touched. so as to ensure that the supports are free from deformation, while manual auxiliary positioning is still needed for positioning. In the case of a large number of steel supports, this method will be time-consuming and laborious and not economical enough.
Therefore, it is necessary to optimize the hoisting process of steel support in foundation pit and establish a fast and accurate installation method.
SUMMARY The purpose of the invention is to provide a sliding steel support erecting device. which can quickly and accurately position the steel support by a directional sliding way after lifting the steel support, and solve the problem of complicated hoisting of the steel support in a pit.
Technical scheme:
The invention relates to a sliding steel support erecting device which is arranged in a foundation pit. The device comprises a pair of downward sliding guide units which are oppositely arranged and respectively matched with two ends of steel supports, wherein the downward sliding guide units comprise a retaining wall arranged in a foundation pit, a fixed block arranged at the top of the retaining wall and a sliding guide block vertically arranged at one side of the fixed block and extending into the foundation pit: Hoist the steel support with a crane, and make both ends of the steel support be clamped into the steel support guide mechanisms of the two sliding guide blocks respectively. and with the lowering of the crane, the steel support gradually slides vertically to the predetermined height.
Further. the retaining wall (3) is embedded in the inner side wall of the toundation pit (1). and the top surface of the retaining wall (3) is flush with the top surface of the foundation pit (1).
The steel support guiding mechanism comprises a pair of vertical guide components arranged on the side of the downward sliding guide block (5) in parallel, and a vertical chute (6) matched with the end of the steel support (2) is formed between the two vertical guide components.
The vertical guide assembly comprises a vertical limiting plate (11) arranged vertically and a plurality of upper jacks (10) horizontally arranged between the vertical limiting plate (11) and the downward sliding guide block (5). and one end of the upper jacks (10) is in transmission connection with the vertical limiting plate (11). The end of the steel support is clamped in the vertical chute, and with the towering of the hoisting rope of the crane. the two ends of the steel support gradually slide down to the bottom along the vertical chute, thus realizing the quick and accurate hoisting and positioning of the steel support. Through the expansion and contraction of the upper jack, the two vertical limiting plates are driven to move oppositely or reversely. and then the width of the vertical chute is adjusted so as to adapt to different sizes of steel supports.
Preferably. both ends of the upper jack are respectively fixedly connected with the vertical limiting plate and the downward sliding guide block.
Furthermore, the side surface of the downward sliding guide block is also provided with a limiting plate support assembly matched with the vertical guide assembly. which comprises a support body chute horizontally arranged on the side surface of the downward sliding guide block and a limiting plate support body slidably arranged in the support body chute, and one end of the limiting plate support body is exposed out of the support body chute and matched with the bottom of the vertical limiting plate. The limiting plate support supports the bottom of the vertical limiting plate from below, and adapts to different positions of the vertical limiting plate by sliding in the chute of the support body.
Further, the steel support guide mechanism further comprises a steel support sliding - out chute which is arranged on the side surface of the downward sliding guide block and positioned below the vertical guide assembly, one end of the steel support sliding-out chute is connected with the bottom end of the vertical chute, and the other end is connected with the side edge of the downward sliding guide block.
A horizontal guide assembly is arranged in the steel support sliding chute, and the horizontal guide assembly comprises a horizontal limiting plate arranged horizontally and a plurality of lower jacks vertically arranged between the bottom of the horizontal limiting plate and the downward sliding guide block, and the top ends of the lower jacks are in transmission connection with the horizontal limiting plate. When the steel support slides down to the bottom of the vertical chute, it slides horizontally out of the side of the slide guide block along the steel support slide-out slot, so that the steel support can be installed at the outlet position of the steel support slide-out slot. The expansion and contraction of the lower jack drives the horizontal limiting plate to move up or down, and then adjusts the effective width of the steel support sliding out of the chute, so as to adapt to different sizes of steel supports.
Preferably. both ends of the lower jack are respectively fixedly connected with the horizontal limiting plate and the downward sliding guide block.
Furthermore, the downward sliding guide block is movably connected with the fixed block.
Furthermore. the downward sliding guide block is movably arranged on the side surface of the fixed block along the vertical direction. When steel supports with different heights need to be erected, the relative height between the downward sliding guide block and the fixed block is adjusted. and the vertical displacement of the downward sliding guide block is changed, so that the bottom end of the vertical chute is located at the required height. so that the steel support directly slides out of the side of the downward sliding guide block horizontally after reaching the bottom end of the vertical chute and is installed at the exit position of the sliding chute of the steel support.
Furthermore, the side surface of the fixed block is provided with a vertical clamping chute. and the side surface of the downward sliding guide block is provided with a vertical clip matched with the vertical clamping chute. By clamping the vertical clip into the vertical clamping chute, the downward sliding guide block is installed on the side surface of the fixed block without affecting the adjustment of the relative height between the downward sliding guide block and the fixed block.
Furthermore, the vertical clamping chute is a T-shaped chute. and the cross section of the vertical clip is T-shaped.
Furthermore, a bolt is arranged between the downward sliding guide block and the fixed block. or the downward sliding guide block and the fixed block are in interference connection. When bolts are adopted. the relative height between the downward sliding guide block and the fixed block is adjusted, and then the relative height is fixed by boits: When the interference connection mode is adopted, the relative height between the downward sliding guide block and the fixed block is changed by knocking down the top of the downward sliding guide block. Meanwhile. due to the relative tightness of the interference connection. it is ensured that the downward sliding guide block and the fixed block will not shift when erecting the steel support.
In practical application. when the foundation pit is excavated 10 the designed depth, the fixing block and sliding guide block arc erected, and the height of the downward sliding guide block is adjusted and fixed: then the steel support is hoisted by using a crane and the two ends of the steel support are respectively clamped in the vertical chutes of the two sliding guide blocks: then the hoisting rope of the crane is gradually lowered. so that the steel support gradually slides down to the bottom of the vertical chutes and slides out through the steel support sliding chutes for erection, Continue excavating the pit to the next design depth and repeat the same steps for the next steel support erection. In this way. it is possible to dispense with the in-pit lifting of the supports and achieve rapid positioning and installation of the steel supports. saving man-hours and increasing the accuracy and convenience of positioning.
Beneficial effects: |) By arranging a pair of sliding guide units, the two ends of the steel support are vertically guided and highly positioned. so that the steel support can be quickly and accurately positioned during hoisting, the erection process of the steel support is simplified, and the stability in the hoisting process is ensured.
2) The downward sliding guide block and the fixed block are movably connected, so that the downward sliding guide block can vertically adjust its height to change the bottom height of the vertical chute, and then realize the hoisting and erection of steel supports at different heights.
3) The effective width of the vertical sliding chute and the sliding chute of the steel support can be adjusted through the matching mode of the jack and the limiting plate. so that the steel support with different sizes can be adapted. and the flexibility is good.
BRIEF DESCRIPTION OF THE FIGURES Fig. | is the schematic front view of the present invention: Fig. 2 is the schematic plan view of the present invention; Fig. 3 is the left structural diagram of the present invention; Fig. 4 is the schematic side structure diagram of the downward sliding guide block in the present invention.
Labels:
1-foundation pit. 2-steel support, 3-retaining wall. 4-fixed block. 5-downward sliding guide block, 6-vertical chute. 7-steel support sliding-out slot, 8-vertical clip, 9-crane, 10- upper jack. | |-vertical limiting plate, 12-support body chute, !3-limiting plate support, 14- horizontal limiting plate. |5-lower jack.
DESCRIPTION OF THE INVENTION The present invention will be described in detail in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the invention, and the detailed implementation mode and specific operation process are given. but the protection scope of the invention is not limited to the following embodiments.
]:xample: As shown in Fig. 1. Fig. 2 and Fig, 3, a sliding erection device for steel support is arranged in a foundation pit 1 which comprises a pair of sliding guide units which are oppositely arranged and respectively matched with two ends of a steel support 2. wherein the sliding guide units comprise a retaining wall 3 arranged in the foundation pit 1. a fixed block 4 arranged on the top of the retaining wall 3 and a downward sliding guide block 5 vertically arranged on onc side of the fixed block 4 and extending into the foundation pit
EF The retaining wall 3 is embedded in the inner side wall of the foundation pit !. and the top surface of the retaining wall 3 is flush with the top surface of the foundation pit |.
As shown in Fig. 4. the steel support guide mechanism includes a pair of vertical guide assemblies arranged in parallel on the side of the downward sliding guide block 5, and a vertical chute 6 matched with the end of the steel support 2 is formed between the two vertical guide assemblies. The vertical guide assembly comprises a vertical limiting plate I'l arranged vertically and a plurality of upper jacks 10 horizontally arranged between the vertical limiting plate 11 and the downward sliding guide block 5, and one end of the upper jacks 10 is in transmission connection with the vertical limiting plate 11. Two ends of the upper jack 10 are respectively welded with the vertical limiting plate 11 and the downward sliding guide block 3.
The lateral surface of the downward sliding guide block 5 is also provided with a limiting plate support assembly matched with the vertical guide assembly, which comprises a support body chute 12 horizontally arranged on the lateral surface of the downward sliding guide block 5 and a limiting plate support body 13 slidably arranged in the support body chute 12, wherein one end of the limiting plate support body [3 exposes the support body chute 12 and is matched with the bottom of the vertical limiting plate 11.
The steel support guiding mechanism also comprises a steel support sliding-out chute 7 which is arranged on the side surface of the downward sliding guide block 5 and below the vertical guide assembly. one end of the steel support sliding-out chute 7 is connected with the bottom end of the vertical chute 6. and the other end is connected with the side edge of the downward sliding guide block 5; A horizontal guide assembly is arranged in the steel support sliding chute 7, and the horizontal guide assembly comprises a horizontal limiting plate 14 and a plurality of lower jacks 15 vertically arranged between the bottom of the horizontal limiting plate 14 and the downward sliding guide block 5. and the top ends of the lower jacks 15 are in transmission connection with the horizontal limiting plate 14, Two ends of the lower Jack 15 are respectively welded with the horizontal limiting plate 14 and the downward sliding guide block 5.
The downward sliding guide block 5 is movably connected with the fixed block 4. The slide guide block 5 is vertically movably arranged on that side of the fix block 4. The side surface of the fixed block 4 is provided with a vertical clamping groove, and the side surface of the downward sliding guide block 5 is provided with a vertical clip 8 matched with the vertical clamping groove. The vertical clamping groove is a t-shaped clamping groove, and the cross section of the vertical clip 8 is T-shaped. Bolts arc arranged between the downward sliding guide block 5 and the fixed block 4, or the downward sliding guide block 5 and the fixed block 4 are in interference connection.
In practical application. when the foundation pit | is excavated to the designed depth, the fixing block 4 and the sliding guide block 5 are erected. and the height of the sliding guide block 5 is adjusted and fixed: Then. according to the outer diameter of the end of the steel support 2. adjust the telescopic length of the upper jack 10 and the lower jack 15 and the length of the limit plate support 13 exposing the support body chute 12, so that the widths of the vertical chute 6 and the steel support sliding groove 7 are matched with the end of the steel support 2; The steel support 2 is hoisted by a crane 9, and both ends of the steel support 2 are respectively clamped into the vertical chutes 6 of the two sliding guide blocks 5, and then the hoisting rope of the crane 9 is gradually lowered. so that the steel support 2 gradually slides down to the bottom of the vertical chutes 6 and slides out through the steel support sliding out slots 7 for erection: Continue excavating the pit to the next design depth and repeat the same steps for the next steel support erection. In this way. it is possible to dispense with the in-pit lifting of the supports and achicve rapid positioning and installation of the steel supports 2, saving man-hours and increasing the accuracy and convenience of positioning.
The foregoing description of the example is for the convenience of persons skilied in the art to understand and use the invention. Those skilled in the art can obviously easily make various modifications to these examples and apply the general principles described here to other embodiments without creative work. Therefore. the present invention is not limited to the above-mentioned example. Based on the disclosure of the present invention by those skilled in the art, all improvements and modifications made without departing from the scope of the present invention should fall within the protection scope of the present invention.

Claims (10)

  1. CLAIMS I. The invention relates to a sliding erection device for steel support which is arranged in a foundation pit (I). which is characterized in that the device comprises a pair of downward sliding guide units which are oppositely arranged and respectively matched with two ends of a steel support (2). wherein the downward sliding guide units comprise a retaining wall (3) arranged in the foundation pit (1). a fixed block (4) arranged at the top of the retaining wall (3), and a sliding guide block (5) which is vertically arranged on one side of the fixed block (4) and extends into the foundation pit (1). the side of the sliding guide block (5) is provided with a steel support guide mechanism. and the end of the steel support (2) is slidably arranged in the steel support guide mechanism.
  2. 2. The sliding erection device for steel support according to claim | is characterized in that the retaining wall (3) is embedded in the inner side wall of the foundation pit (1), and the top surface of the retaining wall (3) is flush with the top surface of the foundation pit (1).
  3. 3. The sliding erection device for steel support according to claim 1. which is characterized in that the steel support guiding mechanism comprises a pair of vertical guide components arranged on the side of the downward sliding guide block (5) in parallel. and a vertical chute (6) matched with the end of the steel support (2) is formed between the two vertical guide components: the vertical guide assembly comprises a vertical limiting plate (11) arranged vertically and a plurality of upper jacks (10) horizontally arranged between the vertical limiting plate (11) and the downward sliding guide block (5), and one end of the upper jacks (10) is in transmission connection with the vertical limiting plate (11).
  4. 4. The sliding erection device for steel support according to claim 3, which is characterized in that the side surface of the downward sliding guide block (5) is also provided with a limiting plate support assembly which is matched with the vertical guide assembly, and the limiting plate support assembly comprises a support body chute (12) horizontally arranged on the side surface of the downward sliding guide block (5) and a limiting plate support body (13) slidably arranged in the support body chute (12): one end of the limiting plate support body (13) is exposed out of the support body chute (12) and is matched with the bottom of the vertical limiting plate (11).
  5. 5. The sliding erection device for steel support according to claim 3 has the following characteristics that the steel support guiding mechanism also comprises a steel support sliding-out chute (7) which is arranged on the side of the downward sliding guide block (5) and positioned below the vertical guide assembly, one end of the steel support sliding-out chute (7) is connected with the bottom end of the vertical chute (6), and the other end is connected with the side edge of the downward sliding guide block (5); the steel support sliding-out chute (7) is provided with a horizontal guide component, which comprises a horizontal limiting plate (14) arranged horizontally and a plurality of lower jacks (15) vertically arranged between the bottom of the horizontal limiting plate (14) and the downward sliding guide block (5), and the top of the lower jack (15) is connected with the horizontal limiting plate (14) by transmission.
  6. 6. The sliding erection device for steel support according to claim |, which is characterized in that the downward sliding guide block (5) is movably connected with the fixed block (4).
  7. 7. The sliding ercction device for steel support according to claim 6, which is characterized in that the downward sliding guide block (5) is arranged on the side of the fixed block (4) in a vertical direction.
  8. 8. The sliding erection device for steel support according to claim 7 is characterized in that the lateral surface of the fixed block (4) is provided with a vertical slot, and the lateral surface of the downward sliding guide block (5) is provided with a vertical clip (8) matched with the vertical slot.
  9. 9. The sliding erection device for steel support according to claim 8 is characterized in that the vertical slot is a T-shaped clamping chute, and the cross section of the vertical clip (8) is of T-shape.
  10. 10. The sliding erection device for steel support according to claim 9 is characterized in that bolts are arranged between the downward sliding guide block (5) and the fixed block
    (4), or the downward sliding guide block (5) is in interference connection with the fixed block (4).
LU102601A 2021-02-26 2021-02-26 A sliding erection device for steel support LU102601B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LU102601A LU102601B1 (en) 2021-02-26 2021-02-26 A sliding erection device for steel support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU102601A LU102601B1 (en) 2021-02-26 2021-02-26 A sliding erection device for steel support

Publications (1)

Publication Number Publication Date
LU102601B1 true LU102601B1 (en) 2021-08-26

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ID=77411459

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Application Number Title Priority Date Filing Date
LU102601A LU102601B1 (en) 2021-02-26 2021-02-26 A sliding erection device for steel support

Country Status (1)

Country Link
LU (1) LU102601B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115095165A (en) * 2022-06-16 2022-09-23 浙江国进建设有限公司 Installation device for high-altitude structure body in factory building construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115095165A (en) * 2022-06-16 2022-09-23 浙江国进建设有限公司 Installation device for high-altitude structure body in factory building construction

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Effective date: 20210826