CN220202698U - Combined tool for construction of concrete lamp pits - Google Patents
Combined tool for construction of concrete lamp pits Download PDFInfo
- Publication number
- CN220202698U CN220202698U CN202321749098.1U CN202321749098U CN220202698U CN 220202698 U CN220202698 U CN 220202698U CN 202321749098 U CN202321749098 U CN 202321749098U CN 220202698 U CN220202698 U CN 220202698U
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- CN
- China
- Prior art keywords
- concrete
- pit
- vertical rod
- lamp
- puller
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- 238000010276 construction Methods 0.000 title description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Abstract
The utility model provides a combined tool for constructing a concrete lamp pit, which comprises a puller, a jacking device and a lamp pit protecting cover, wherein the puller is arranged on the lamp pit; the puller comprises a vertical rod and a cross rod connected with the top end of the vertical rod; the joint of the vertical rod and the transverse rod is positioned between the two ends of the transverse rod; the lower end of the vertical rod is used for connecting a concrete core; the two jacking devices are arranged below the cross bar and are respectively positioned at two sides of the vertical rod; the lamp pit protecting cover is positioned between the two jacking devices; the lamp pit protective cover comprises a protective cylinder which is vertically arranged, the upper end of the protective cylinder is connected with a horizontal annular plate which is circumferentially arranged along the upper end of the protective cylinder, and the horizontal annular plate is positioned at the outer side of the protective cylinder; the vertical rod is positioned in the protection cylinder. The concrete lamp pit has good forming effect. The method also has the advantages of avoiding damaging the concrete pavement, improving the operation efficiency and the like.
Description
Technical Field
The utility model belongs to the technical field of concrete lamp pit construction, and particularly relates to a combined tool for constructing a concrete lamp pit.
Background
The mainstream navigational aids are recessed fixtures that are typically mounted in concrete pits on airport runways. There are two common construction methods for concrete lamp pits: reserving a lamp pit and drilling and coring.
Firstly, the construction method of the reserved lamp pit comprises the steps of installing a lamp pit mould in a reinforcement cage before concrete pouring, so that an upright section of a cable protection pipe extends upwards into an inner cavity of the lamp pit mould from a through hole at the bottom of the lamp pit mould; after the concrete is poured and when the concrete is not initially set, the lamp pit mold is taken out. After demoulding, the problem that the edge of the concrete lamp pit is easy to collapse, thereby causing irregular molding of the concrete lamp pit and poor flatness of the road surface. The installation accuracy of the navigation aid lamp is seriously affected, the appearance of the navigation aid lamp after installation is poor, and the repair rate of the concrete lamp pit is high, so that the later maintenance cost is high. In terms of the whole construction process, the installation height of the lamp pit mould is required to be measured for a plurality of times so as to adjust and control the position of the lamp pit, and the problem of lower construction efficiency also exists.
Secondly, the formed concrete lamp pit has good appearance by adopting a construction method of drilling and coring. However, coring operations after drilling are typically performed 28 days after concreting, with longer construction cycles. The coring operation after drilling is usually to drill holes at a plurality of positions in the center of the concrete core by adopting an electric hammer, then to break the concrete core into fragments by using tools such as a steel wedge, an electric pick and the like, and then to clean the fragments, and the whole coring process has great difficulty, slow progress and high cost, and if the coring operation is improper, the concrete around the lamp pit is easy to damage to influence the flatness of the road surface.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a combined tool for applying a concrete lamp pit, so that the concrete lamp pit has good forming effect.
The technical scheme adopted for solving the technical problems is as follows: the combined tool for constructing the concrete lamp pit comprises a puller, a jacking device and a lamp pit protection cover;
the puller comprises a vertical rod and a cross rod connected with the top end of the vertical rod; the joint of the vertical rod and the transverse rod is positioned between the two ends of the transverse rod; the lower end of the vertical rod is used for connecting a concrete core;
the jacking devices are arranged below the cross bars, two jacking devices are arranged, and the two jacking devices are respectively positioned at two sides of the vertical rods; the lamp pit protection cover is positioned between the two jacking devices;
the lamp pit protection cover comprises a protection barrel which is vertically arranged, the upper end of the protection barrel is connected with a horizontal annular plate which is circumferentially arranged along the upper end of the protection barrel, and the horizontal annular plate is positioned at the outer side of the protection barrel; the vertical rod is positioned in the protection cylinder.
Further, the puller further comprises an end plate connected with the cross rod, wherein the end plate is horizontally arranged and positioned below the cross rod; the two ends of the cross rod are connected with the end plates;
one of the jacking devices is positioned below one of the end plates, and the other jacking device is positioned below the other end plate.
Further, the jacking device is a hydraulic cylinder.
Further, the outer peripheral surface of the lower end of the vertical rod is provided with anti-slip lines.
Further, the puller further comprises a reinforcing piece, and the cross rod and the vertical rod are connected through the reinforcing piece;
the reinforcing pieces are uniformly distributed along the circumference of the vertical rod.
Further, the puller is a steel product.
Further, the lamp pit protection cover is made of steel.
Further, the protection cylinder is welded with the horizontal annular plate.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a combined tool for applying a concrete lamp pit, which ensures that the concrete lamp pit has good forming effect. The method also has the advantages of avoiding damaging the concrete pavement, improving the operation efficiency and the like.
Drawings
FIG. 1 is a schematic view of the use of the present utility model;
FIG. 2 is a front view of the extractor of the present utility model;
FIG. 3 is a diagram of the positional relationship of the end plates, risers and rails of the present utility model;
FIG. 4 is a front view of the pit art boot of the present utility model;
FIG. 5 is a top view of the pit art boot of the present utility model;
reference numerals: 1-a puller; 101-a vertical rod; 102-a cross bar; 103-end plates; 104-a stiffener; 105-risers; 106-anti-skid lines; 2-jacking device; 3-a lamp pit protecting cover; 301-a protective cylinder; 302-horizontal ring plates; 4-embedding a sleeve; 5-rubber pad.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in the drawings, the combined tool for constructing the concrete lamp pit comprises a puller 1, a jacking device 2 and a lamp pit protecting cover 3; the puller 1 comprises a vertical rod 101 and a cross rod 102 connected with the top end of the vertical rod 101; the connection between the vertical rod 101 and the cross rod 102 is located between the two ends of the cross rod 102; the lower end of the vertical rod 101 is used for connecting a concrete core; the jacking devices 2 are arranged below the cross bars 102, two jacking devices 2 are arranged, and the two jacking devices 2 are respectively positioned at two sides of the vertical bars 101; the lamp pit protecting cover 3 is positioned between the two jacking devices 2; the lamp pit protection cover 3 comprises a protection cylinder 301 which is vertically arranged, wherein the upper end of the protection cylinder 301 is connected with a horizontal annular plate 302 which is circumferentially arranged along the upper end of the protection cylinder 301, and the horizontal annular plate 302 is positioned at the outer side of the protection cylinder 301; the vertical rod 101 is located in the protection cylinder 301.
The template is erected to vertically embed the embedded sleeve 4 in a casting space surrounded by the template, and concrete is cast into the casting space to form a concrete pavement, so that a distance of about 10mm is reserved between the top end of the embedded sleeve 4 and the concrete pavement. In order to prevent poured concrete from flowing into the embedded sleeve 4 from the upper end opening of the embedded sleeve 4, plugging cloth can be bound at the upper end opening of the embedded sleeve 4. And when the concrete reaches a certain strength after 70-74 hours after the concrete is poured, a drilling machine is adopted to drill holes downwards at the position, which is opposite to the embedded sleeve 4, on the concrete pavement, so that the embedded sleeve 4 is vertically communicated with the holes, and the lower end of the vertical rod 101 is conveniently inserted into the embedded sleeve 4 downwards. An annular groove matched with the protection cylinder 301 is cut on the concrete pavement by adopting drilling cutting equipment, and the annular groove is arranged along the circumferential direction of the embedded sleeve 4 so as to separate the concrete core from surrounding concrete. The drill bit of the drilling and cutting equipment is of a sleeve structure, and the outer diameter of the drill bit is equal to the inner diameter of a concrete lamp pit to be formed. The width of the annular groove is slightly larger than the wall thickness of the protection cylinder 301, the height h2 of the annular groove is larger than the height h1 of the protection cylinder 301, and the height h2 of the annular groove is equal to the concrete lamp pit to be formed. The protection cylinder 301 of the pit protection cover 3 is inserted into the annular groove, and the lower surface of the horizontal ring plate 302 is in contact with the concrete pavement. By installing the pit protection cover 3, the upper edge of the concrete pit is protected. The lower end of the vertical rod 101 is downwards inserted into the embedded sleeve 4 in the concrete core, the lower end of the vertical rod 101 is clamped with the embedded sleeve 4, the lower end of the vertical rod 101 is further connected with the concrete core, and the vertical rod 101 is located in the protection cylinder 301. The jacking devices 2 are arranged on the concrete pavement, the two jacking devices 2 are respectively arranged on two sides of the lamp pit protection cover 3, the jacking devices 2 act on the cross rod 102 to jack the puller 1, and the concrete lamp core is pulled upwards. The concrete lamp pit has good forming effect, and has the advantages of avoiding damaging the concrete pavement, improving the working efficiency and the like.
The vertical bar 101 and the horizontal bar 102 may be connected by bolts, preferably by welding. The pit protecting cover 3 may be an integrally formed integral structure, and the protecting cylinder 301 of the pit protecting cover 3 and the horizontal ring plate 302 are preferably connected by welding.
A rubber pad 5 can be placed between the concrete pavement and the jacking device 2 to further protect the concrete pavement.
The cross bar 102 may be square or round steel. When the cross bar 102 is made of round steel, the contact surface between the jacking device 2 and the cross bar 102 is small, preferably, the puller 1 further comprises an end plate 103 connected with the cross bar 102, and the end plate 103 is horizontally arranged and positioned below the cross bar 102; the two ends of the cross rod 102 are connected with the end plates 103; one of the jacking devices 2 is located below one of the end plates 103, and the other jacking device 2 is located below the other end plate 103. The jacking device 2 acts on the end plate 103 to enlarge the contact surface of the jacking device 2. The end plates 103 and the cross bars 102 may be connected by bolts or by welding.
As a further preferred option, the end plate 103 has a riser 105 attached thereto and forms an L-shaped structure with the rail 102 between the end plate 103 and the riser 105.
The jacking device 2 can be an air cylinder, an electric push rod, a hydraulic cylinder and the like.
In order to improve the friction between the vertical rod 101 and the embedded sleeve 4, it is preferable that the outer circumferential surface of the lower end of the vertical rod 101 is provided with anti-slip lines 106. By arranging the anti-skid lines 106, the friction force between the vertical rod 101 and the embedded sleeve 4 is improved, and the situation that the vertical rod 101 is separated from the embedded sleeve 4 when the puller 1 is lifted by the jacking device 2 is avoided.
In order to improve the connection stability between the vertical rod 101 and the cross rod 102, it is preferable that the extractor 1 further comprises a reinforcement 104, and the cross rod 102 is connected to the vertical rod 101 through the reinforcement 104; the plurality of reinforcing members 104 are uniformly distributed along the circumferential direction of the vertical rod 101. The reinforcement 104 may be a triangular plate arranged vertically, a diagonal brace, or a steel pipe. The cross bar 102 and the vertical bar 101 are connected to the reinforcement 104 by welding.
The extractor 1 and the pit protecting cover 3 may be iron products, hard alloy products, etc., and are preferably steel products.
The concrete embodiment of the utility model is that the combined tool for constructing the concrete lamp pit is provided, so that the concrete lamp pit has good forming effect. The method also has the advantages of avoiding damaging the concrete pavement, improving the operation efficiency and the like.
Claims (8)
1. A modular tool for use in constructing a concrete pit, comprising: comprises a puller (1), a jacking device (2) and a lamp pit protecting cover (3);
the puller (1) comprises a vertical rod (101) and a cross rod (102) connected with the top end of the vertical rod (101); the connection part of the vertical rod (101) and the cross rod (102) is positioned between the two end parts of the cross rod (102); the lower end of the vertical rod (101) is used for connecting a concrete core;
the jacking devices (2) are arranged below the cross bars (102), two jacking devices (2) are arranged, and the two jacking devices (2) are respectively positioned at two sides of the vertical bars (101); the lamp pit protection cover (3) is positioned between the two jacking devices (2);
the lamp pit protection cover (3) comprises a protection cylinder (301) which is vertically arranged, wherein the upper end of the protection cylinder (301) is connected with a horizontal annular plate (302) which is circumferentially arranged along the upper end of the protection cylinder (301), and the horizontal annular plate (302) is positioned at the outer side of the protection cylinder (301); the vertical rod (101) is positioned in the protection cylinder (301).
2. A modular tool for use in constructing a concrete pit as claimed in claim 1 wherein: the puller (1) further comprises an end plate (103) connected with the cross rod (102), wherein the end plate (103) is horizontally arranged and positioned below the cross rod (102); the two ends of the cross rod (102) are connected with the end plates (103);
one jacking device (2) is positioned below one end plate (103), and the other jacking device (2) is positioned below the other end plate (103).
3. A modular tool for use in constructing a concrete pit as claimed in claim 1 wherein: the jacking device (2) is a hydraulic cylinder.
4. A modular tool for use in constructing a concrete pit as claimed in claim 1 wherein: the outer peripheral surface of the lower end of the vertical rod (101) is provided with anti-slip lines (106).
5. A modular tool for use in constructing a concrete pit as claimed in claim 1 wherein: the puller (1) further comprises a reinforcing piece (104), and the cross rod (102) is connected with the vertical rod (101) through the reinforcing piece (104);
a plurality of the reinforcing pieces (104) are uniformly distributed along the circumferential direction of the vertical rod (101).
6. A modular tool for use in constructing a concrete pit as claimed in claim 1 wherein: the puller (1) is a steel product.
7. A modular tool for use in constructing a concrete pit as claimed in claim 1 wherein: the lamp pit protection cover (3) is made of steel.
8. A modular tool for use in constructing a concrete pit as claimed in claim 1 wherein: the protection cylinder (301) is welded with the horizontal annular plate (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321749098.1U CN220202698U (en) | 2023-07-05 | 2023-07-05 | Combined tool for construction of concrete lamp pits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321749098.1U CN220202698U (en) | 2023-07-05 | 2023-07-05 | Combined tool for construction of concrete lamp pits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220202698U true CN220202698U (en) | 2023-12-19 |
Family
ID=89139227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321749098.1U Active CN220202698U (en) | 2023-07-05 | 2023-07-05 | Combined tool for construction of concrete lamp pits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220202698U (en) |
-
2023
- 2023-07-05 CN CN202321749098.1U patent/CN220202698U/en active Active
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