CN112660979A - Auxiliary hoisting tool for high-speed railway roadbed protective fence pieces and using method thereof - Google Patents
Auxiliary hoisting tool for high-speed railway roadbed protective fence pieces and using method thereof Download PDFInfo
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- CN112660979A CN112660979A CN202011432936.3A CN202011432936A CN112660979A CN 112660979 A CN112660979 A CN 112660979A CN 202011432936 A CN202011432936 A CN 202011432936A CN 112660979 A CN112660979 A CN 112660979A
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- speed railway
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- 230000001681 protective effect Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 15
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000011150 reinforced concrete Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
An auxiliary hoisting tool for high-speed railway roadbed protective fence pieces and a using method thereof relate to the field of building construction, and the auxiliary hoisting tool comprises two L-shaped supporting bottom plates which are arranged in parallel at intervals, two supporting side plates which are vertically welded on vertical limbs of the two L-shaped supporting bottom plates, a rotating pin shaft which is welded between the outer end parts of the two supporting side plates, a rotating sleeve which is movably sleeved on the rotating pin shaft, a lifting lug which is vertically welded in the middle of the rotating sleeve and a reinforcing rod which is welded between the middle parts of the top edges of the two supporting side plates; the outer end face of the supporting side plate is a semicircular cambered surface protruding outwards, and the outer end part of the supporting side plate is provided with a connecting hole; two ends of the rotating pin shaft are correspondingly inserted in the connecting holes of the supporting side plates and are firmly welded. The invention solves the problems of difficult installation and positioning of the protective fence, unsmooth and straight line shape, difficult control of precision, low construction efficiency, poor construction quality and the like in the prior art.
Description
Technical Field
The invention relates to the field of building construction, in particular to an auxiliary hoisting tool for a guardrail piece of a high-speed railway roadbed protective fence and a using method thereof.
Background
In the building construction, the condition that a protective fence needs to be arranged on a roadbed for sealing is often met. In the prior art, a crane is generally adopted for hoisting in the construction of the protective fence of the high-speed railway subgrade, but the crane has limited operation range, frequent movement and low construction efficiency in the installation process; the steel wire rope can be used for hoisting the reinforced concrete protective fence pieces, but the safety risk is high in the hoisting process, the construction efficiency is low, and the reinforced concrete protective fence pieces are easily damaged. Especially in some mountainous areas, the installation of the protective fence also has the problems of difficult positioning, unsmooth and straight line shape, poor control precision, low construction efficiency, poor construction quality and the like.
Disclosure of Invention
The invention aims to provide an auxiliary lifting tool for a guardrail piece of a protective fence of a high-speed railway subgrade and a using method thereof, and solves the problems that the protective fence is difficult to install and position, the line shape is not straight, the precision is difficult to control, the construction efficiency is low, the construction quality is poor and the like in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the auxiliary hoisting tool for the fence pieces of the protective fence of the high-speed railway roadbed comprises two L-shaped supporting bottom plates which are arranged in parallel at intervals, two supporting side plates which are vertically welded on vertical limbs of the two L-shaped supporting bottom plates, a rotating pin shaft which is welded between the outer end parts of the two supporting side plates, a rotating sleeve which is movably sleeved on the rotating pin shaft, a lifting lug which is vertically welded in the middle of the rotating sleeve and a reinforcing rod which is welded between the middle parts of the top edges of the two supporting side plates; the outer end face of the supporting side plate is a semicircular cambered surface protruding outwards, and the outer end part of the supporting side plate is provided with a connecting hole; two ends of the rotating pin shaft are correspondingly inserted in the connecting holes of the supporting side plates and are firmly welded.
Further preferred technical solution: the L-shaped supporting bottom plate comprises a rectangular horizontal limb and a rectangular vertical limb, and the horizontal limb and the vertical limb are connected in a welding mode.
Further preferred technical solution: the supporting side plates are long plate bodies and are perpendicular to the horizontal limbs and the vertical limbs of the L-shaped supporting bottom plate.
Further preferred technical solution: the inner end surface of the supporting side plate is a plane and is welded on the outer side of the top end of the inner side surface of the vertical limb of the L-shaped supporting bottom plate.
Further preferred technical solution: the top surface of the supporting side plate is flush with the top surface of the vertical limb of the L-shaped supporting bottom plate, and the outer side surface of the supporting side plate is flush with the outer side surface of the vertical limb of the L-shaped supporting bottom plate.
Further preferred technical solution: the length of the rotary sleeve is smaller than the distance between the inner side surfaces of the two supporting side plates by 30-50 mm.
Further preferred technical solution: the lug is rectangular plate body, and the lower terminal surface of lug is inside sunken arc surface, corresponds vertical welding in the centre of rotatory telescopic, and the lug place face is perpendicular with rotatory telescopic axis.
Further preferred technical solution: the upper end face of the lifting lug is an outwards convex semicircular arc face, and the upper end part of the lifting lug is provided with a lifting hole.
Further preferred technical solution: the two ends of the reinforcing rod are welded between the top surfaces of the middle parts of the two supporting side plates.
A use method of the auxiliary hoisting tool for the fence pieces of the protective fence of the high-speed railway subgrade comprises the following steps:
step one, connecting the excavator and the auxiliary hoisting tool together by using a connecting rope: and one end of the connecting rope is tightly bound on the excavator, and the other end of the connecting rope penetrates through a hoisting hole in the lifting lug and is firmly bound.
And step two, inserting a pair of L-shaped supporting bottom plates of the auxiliary hoisting tool into a gap between the upright posts of the roadbed protective fence sheet by a constructor manually, supporting the horizontal limbs of the L-shaped supporting bottom plates on the upper horizontal rod of the roadbed protective fence sheet, limiting the upper horizontal rod of the roadbed protective fence sheet by the vertical limbs of the L-shaped supporting bottom plates, and ensuring that the L-shaped supporting bottom plates are arranged back to the excavator.
And step three, starting the excavator, slowly hoisting the roadbed protective fence piece by using the auxiliary hoisting tool, wherein the rotating pin shaft can rotate freely in the rotating sleeve in the hoisting process, and further the supporting side plate fixedly connected with the rotating pin shaft and the L-shaped supporting bottom plate fixedly connected with the supporting side plate can slightly rotate clockwise in the hoisting process due to the action of gravity, so that the horizontal limb of the L-shaped supporting bottom plate can incline upwards in the hoisting process, and the bearing force for inclining the upper horizontal rod of the roadbed protective fence piece upwards is provided, thereby ensuring the stable hoisting of the roadbed protective fence piece.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the roadbed protective fence piece lifting device is provided with the rotating pin shaft and the rotating sleeve, the rotating pin shaft can rotate freely in the rotating sleeve in the lifting process of the roadbed protective fence piece, and due to the action of gravity, the supporting side plate fixedly connected with the rotating pin shaft and the L-shaped supporting bottom plate fixedly connected with the supporting side plate can slightly rotate clockwise in the lifting process, so that the horizontal limb of the L-shaped supporting bottom plate can tilt upwards in the lifting process, the upward bearing force for the inclination of the upper horizontal rod of the roadbed protective fence piece is provided, and the stable lifting of the roadbed protective fence piece is ensured.
2, the reinforcing rod is arranged to connect the pair of supporting side plates together, so that the stability of connection between the pair of supporting side plates is enhanced.
3, the invention is provided with the L-shaped supporting bottom plate, and the vertical limbs of the L-shaped supporting bottom plate are used for limiting the upper horizontal rod of the fence piece of the protective fence, so that the auxiliary hoisting tool is prevented from moving, and the hoisting stability is enhanced.
The invention can be widely applied to the installation and construction of reinforced concrete protective barriers of highway subgrade, railway bridges, subgrade and the like.
Drawings
Fig. 1 is a first perspective view of the auxiliary lifting tool for the barrier sheet of the protective fence of the high-speed railway subgrade.
Fig. 2 is a second perspective view of the auxiliary lifting tool for the barrier pieces of the protective fence of the high-speed railway subgrade.
Reference numerals: 1-L shape supporting baseplate, 2-supporting curb plate, 3-rotatory round pin axle, 4-rotatory sleeve, 5-lug, 6-anchor strut, 5.1-hole for hoist.
Detailed Description
Referring to fig. 1 and 2, the auxiliary lifting tool for the fence piece of the protective fence of the high-speed railway subgrade comprises two L-shaped supporting bottom plates 1 arranged in parallel at intervals, two supporting side plates 2 vertically welded on vertical limbs of the two L-shaped supporting bottom plates 1, a rotating pin shaft 3 welded between the outer end parts of the two supporting side plates 2, a rotating sleeve 4 movably sleeved on the rotating pin shaft 3, a lifting lug 5 vertically welded in the middle of the rotating sleeve 4 and a reinforcing rod 6 welded between the middle parts of the top edges of the two supporting side plates 2.
The L-shaped supporting bottom plate 1 is formed by welding steel plates with the thickness of 10mm and comprises a rectangular horizontal limb and a rectangular vertical limb, the horizontal limb and the vertical limb are welded and connected, a welding seam needs to meet the standard requirement, the horizontal limb is 170mm long and 50mm wide, the L-shaped supporting bottom plate can be properly adjusted by combining the structural size of a reinforced concrete protective fence sheet, the vertical limb is 150mm high and 50mm wide, and the vertical limb is used for limiting an upper horizontal rod of the protective fence sheet, preventing an auxiliary hoisting tool from moving and enhancing the hoisting stability; the outer end of the horizontal limb of the L-shaped supporting base plate 1 is welded with a baffle which is vertically arranged upwards, and the height of the baffle is 3-5 cm.
The supporting side plate 2 is a long plate body and is formed by cutting a steel plate with the thickness of 10mm, and the horizontal limb and the vertical limb which are vertical to the L-shaped supporting bottom plate 1 are arranged; the inner end surface of the supporting side plate 2 is a plane and is welded on the outer side of the top end of the inner side surface of the vertical limb of the L-shaped supporting bottom plate 1; the outer end face of the supporting side plate 2 is a semicircular cambered surface protruding outwards, the diameter of the semicircular cambered surface is 50mm, and the outer end part of the supporting side plate 2 is provided with a connecting hole; the length of the supporting side plate 2 is 125mm and the width is 50 mm.
The top surface of the supporting side plate 2 is flush with the top surface of the vertical limb of the L-shaped supporting bottom plate 1, and the outer side surface of the supporting side plate 2 is flush with the outer side surface of the vertical limb of the L-shaped supporting bottom plate 1.
Two ends of the rotary pin shaft 3 are correspondingly inserted into the connecting holes of the supporting side plates 2 and are firmly welded, and the rotary pin shaft 3 is an HPB300 steel bar with the diameter of 14mm and is used for limiting the rotation of the rotary sleeve 4.
The rotating sleeve 4 has an axial length of 300mm and is machined from a steel pipe having an inner diameter of 50 mm.
The length of the rotary sleeve 4 is smaller than the distance between the inner side surfaces of the two supporting side plates 2 by 30-50 mm.
The lifting lug 5 is a long-strip plate body and is formed by cutting a steel plate with the thickness of 10 mm; the lower end surface of the lifting lug 5 is an inward-concave arc surface and is correspondingly and vertically welded in the middle of the rotating sleeve 4, and the plate surface where the lifting lug 5 is located is vertical to the axis of the rotating sleeve 4; the up end of lug 5 is outside convex semi-circular cambered surface, and the upper end of lug 5 is opened there is hole for hoist 5.1, and the diameter of hole for hoist 5.1 is 20mm for the couple is connected.
The reinforcing rod 6 is formed by processing HPB300 steel bars with the diameter of 20mm, and the two ends of the reinforcing rod are welded between the top surfaces of the middle parts of the two supporting side plates 2 and used for fixing the two supporting side plates.
The roadbed protective fence barrier is a concrete barrier and comprises an upper horizontal rod, a lower horizontal rod and upright columns which are uniformly connected between the upper horizontal rod and the lower horizontal rod at intervals.
The auxiliary hoisting tool is simple to manufacture, convenient to operate and light, can be operated by a single person only by matching with one small excavator, and has the construction efficiency 2.5 times that of the traditional method that a crane directly utilizes a steel wire rope to hoist and mount the reinforced concrete protective fence piece through on-site actual test, so that the construction efficiency is accelerated, and the labor cost is greatly reduced.
The invention solves the problems that the steel wire rope is directly used for hoisting the reinforced concrete protective fence piece in the traditional construction, the safety risk is high, the construction efficiency is low, and the reinforced concrete protective fence piece is easy to be damaged, can ensure that the appearance quality of the installed protective fence piece meets the requirement, and reduces unnecessary secondary damage.
The invention uses the excavator to hoist the reinforced concrete protective fence pieces, has simple operation and fast movement and turnover, and accelerates the construction efficiency.
The invention discloses a using method of an auxiliary hoisting tool for high-speed railway roadbed protective fence pieces, which comprises the following steps:
step one, connecting the excavator and the auxiliary hoisting tool together by using a connecting rope: and one end of the connecting rope is tightly bound on the excavator, and the other end of the connecting rope passes through a hoisting hole 5.1 on the lifting lug 5 and is firmly bound.
And step two, a constructor manually inserts a pair of L-shaped supporting bottom plates 1 of the auxiliary hoisting tool into a gap between the upright posts of the roadbed protective fence sheet, horizontal limbs of the L-shaped supporting bottom plates 1 are supported on an upper horizontal rod of the roadbed protective fence sheet, vertical limbs of the L-shaped supporting bottom plates 1 limit the upper horizontal rod of the roadbed protective fence sheet, and the L-shaped supporting bottom plates 1 are ensured to be arranged back to the excavator.
And step three, starting the excavator, slowly hoisting the roadbed protective fence sheet by using the auxiliary hoisting tool, wherein the rotating pin shaft 3 can rotate freely in the rotating sleeve 4 in the hoisting process, and due to the action of gravity, the supporting side plate 2 fixedly connected with the rotating pin shaft 3 and the L-shaped supporting bottom plate 1 fixedly connected with the supporting side plate 2 can slightly rotate clockwise in the hoisting process, so that the horizontal limb of the L-shaped supporting bottom plate 1 can tilt upwards in the hoisting process, and the bearing force for the upper horizontal rod of the roadbed protective fence sheet to tilt upwards is provided, and the stable hoisting of the roadbed protective fence sheet is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. Supplementary lifting device of high-speed railway road bed protective fence piece, its characterized in that: the device comprises two L-shaped supporting bottom plates (1) which are arranged in parallel at intervals, two supporting side plates (2) which are vertically welded on vertical limbs of the two L-shaped supporting bottom plates (1), a rotating pin shaft (3) which is welded between the outer end parts of the two supporting side plates (2), a rotating sleeve (4) which is movably sleeved on the rotating pin shaft (3), a lifting lug (5) which is vertically welded in the middle of the rotating sleeve (4) and a reinforcing rod (6) which is welded between the middle parts of the top edges of the two supporting side plates (2);
the outer end surface of the supporting side plate (2) is a semicircular cambered surface protruding outwards, and the outer end part of the supporting side plate (2) is provided with a connecting hole;
two ends of the rotating pin shaft (3) are correspondingly inserted in the connecting holes of the supporting side plates (2) and are firmly welded.
2. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 1, is characterized in that: the L-shaped supporting bottom plate (1) comprises a rectangular horizontal limb and a rectangular vertical limb, and the horizontal limb and the vertical limb are connected in a welding mode.
3. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 2, is characterized in that: the supporting side plates (2) are long plate bodies and are perpendicular to the horizontal limbs and the vertical limbs of the L-shaped supporting bottom plate (1).
4. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 3, is characterized in that: the inner end surface of the supporting side plate (2) is a plane and is welded on the outer side of the top end of the inner side surface of the vertical limb of the L-shaped supporting bottom plate (1).
5. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 4, is characterized in that: the top surface of the supporting side plate (2) is flush with the top surface of the vertical limb of the L-shaped supporting bottom plate (1), and the outer side surface of the supporting side plate (2) is flush with the outer side surface of the vertical limb of the L-shaped supporting bottom plate (1).
6. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 1, is characterized in that: the length of the rotary sleeve (4) is less than the distance between the inner side surfaces of the two supporting side plates (2) by 30-50 mm.
7. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 1, is characterized in that: lug (5) are rectangular plate body, and the lower terminal surface of lug (5) is inside sunken arc surface, corresponds the vertical welding in the centre of rotatory sleeve (4), and lug (5) place face is perpendicular with the axis of rotatory sleeve (4).
8. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 1, is characterized in that: the upper end face of the lifting lug (5) is an outwards convex semicircular arc face, and the upper end part of the lifting lug (5) is provided with a lifting hole (5.1).
9. The auxiliary hoisting tool for the high-speed railway subgrade protective fence pieces as claimed in claim 1, is characterized in that: two ends of the reinforcing rod (6) are welded between the top surfaces of the middle parts of the two supporting side plates (2).
10. A method for using the auxiliary lifting tool for the high-speed railway subgrade protective barrier piece according to any one of claims 1 to 9, which is characterized by comprising the following steps:
step one, connecting the excavator and the auxiliary hoisting tool together by using a connecting rope: one end of the connecting rope is tightly bound on the excavator, and the other end of the connecting rope passes through a hoisting hole (5.1) on the lifting lug (5) and is firmly bound;
step two, a constructor manually inserts a pair of L-shaped supporting bottom plates (1) of the auxiliary hoisting tool into a gap between the upright posts of the roadbed protective fence sheet, horizontal limbs of the L-shaped supporting bottom plates (1) are supported on an upper horizontal rod of the roadbed protective fence sheet, vertical limbs of the L-shaped supporting bottom plates (1) limit the upper horizontal rod of the roadbed protective fence sheet, and the L-shaped supporting bottom plates (1) are arranged back to the excavator;
and step three, starting the excavator, slowly hoisting the roadbed protective fence piece by using the auxiliary hoisting tool, wherein in the hoisting process, the rotating pin shaft (3) can rotate freely in the rotating sleeve (4), and due to the action of gravity, the supporting side plate (2) fixedly connected with the rotating pin shaft (3) and the L-shaped supporting bottom plate (1) fixedly connected with the supporting side plate (2) can slightly rotate clockwise in the hoisting process, so that the horizontal limb of the L-shaped supporting bottom plate (1) can incline upwards in the hoisting process, and the bearing force for inclining the upper horizontal rod of the roadbed protective fence piece upwards is provided, and the stable hoisting of the roadbed protective fence piece is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432936.3A CN112660979A (en) | 2020-12-10 | 2020-12-10 | Auxiliary hoisting tool for high-speed railway roadbed protective fence pieces and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432936.3A CN112660979A (en) | 2020-12-10 | 2020-12-10 | Auxiliary hoisting tool for high-speed railway roadbed protective fence pieces and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112660979A true CN112660979A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011432936.3A Pending CN112660979A (en) | 2020-12-10 | 2020-12-10 | Auxiliary hoisting tool for high-speed railway roadbed protective fence pieces and using method thereof |
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| Country | Link |
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| CN (1) | CN112660979A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014240317A (en) * | 2013-06-11 | 2014-12-25 | 株式会社徳利 | Suspension tool |
| CN204265228U (en) * | 2013-12-04 | 2015-04-15 | 卡特彼勒Sarl | Suspender |
| CN204689368U (en) * | 2015-04-25 | 2015-10-07 | 河南华北起重吊钩有限公司 | A kind of steel pipe lifting dedicated lifting hook |
| CN204727433U (en) * | 2015-06-18 | 2015-10-28 | 张保国 | A kind of adjustable suspension hook for bent axle assembling lifting |
| CN107601260A (en) * | 2017-07-28 | 2018-01-19 | 武汉船用机械有限责任公司 | A kind of hoisting fixture for blade |
-
2020
- 2020-12-10 CN CN202011432936.3A patent/CN112660979A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014240317A (en) * | 2013-06-11 | 2014-12-25 | 株式会社徳利 | Suspension tool |
| CN204265228U (en) * | 2013-12-04 | 2015-04-15 | 卡特彼勒Sarl | Suspender |
| CN204689368U (en) * | 2015-04-25 | 2015-10-07 | 河南华北起重吊钩有限公司 | A kind of steel pipe lifting dedicated lifting hook |
| CN204727433U (en) * | 2015-06-18 | 2015-10-28 | 张保国 | A kind of adjustable suspension hook for bent axle assembling lifting |
| CN107601260A (en) * | 2017-07-28 | 2018-01-19 | 武汉船用机械有限责任公司 | A kind of hoisting fixture for blade |
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Application publication date: 20210416 |
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