CN214798702U - Cable supporting structure for underground engineering construction - Google Patents
Cable supporting structure for underground engineering construction Download PDFInfo
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- CN214798702U CN214798702U CN202121468911.9U CN202121468911U CN214798702U CN 214798702 U CN214798702 U CN 214798702U CN 202121468911 U CN202121468911 U CN 202121468911U CN 214798702 U CN214798702 U CN 214798702U
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Abstract
The utility model relates to an underground construction technical field discloses a cable bearing structure for underground works construction. The cable supporting structure for underground engineering construction comprises a supporting component and a protecting component, wherein the supporting component is anchored in a cast-in-place pile located in a cable pit, the protecting component comprises a first protecting sleeve and a second protecting sleeve, the second protecting sleeve is installed on the supporting component, the first protecting sleeve is detachably connected with the second protecting sleeve, the first protecting sleeve and the second protecting sleeve form a containing cavity, and the containing cavity is configured to contain a cable. The cable is arranged in the accommodating cavity, the cable is supported and protected, the cable is prevented from being damaged, the cable does not need to be changed, normal construction of underground engineering is guaranteed on the premise of normal power supply, the construction period of the underground engineering can be shortened, and the efficiency of underground engineering construction is improved.
Description
Technical Field
The utility model relates to an underground construction technical field especially relates to a cable bearing structure for underground works construction.
Background
In the construction process of underground engineering (such as an underground garage, an underground commercial complex, a subway and the like), underground cables are encountered, the buried depth of the underground cables is shallow, the buried elevation is higher than the top elevation of an underground engineering structure, the underground cables stretch across an underground engineering main body and cannot move or change the buried direction at will, and due to the particularity of the cables, the cables cannot be powered off during the construction of the underground engineering, so that much inconvenience is brought to the construction of the underground engineering, and the smooth operation of the construction of the underground engineering is influenced.
Therefore, it is desirable to provide a cable support structure for underground engineering construction to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a cable bearing structure for underground works construction to solve because of the cable can not remove at will, can not change and bury the orientation underground, can not cut off the power supply and the problem that underground works efficiency of construction is low that leads to.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a cable support structure for underground construction, comprising:
a support assembly anchored within a cast-in-place pile, the cast-in-place pile located within a cable pit;
the protection component comprises a first protection sleeve and a second protection sleeve, the second protection sleeve is installed on the supporting component, the first protection sleeve is detachably connected with the second protection sleeve, the first protection sleeve and the second protection sleeve form a containing cavity, and the containing cavity is configured to contain a cable.
Further, the protection subassembly still includes coupling assembling, coupling assembling includes first connecting plate and second connecting plate, first connecting plate install in on the first protection cover, the second connecting plate install in on the second protection cover, first connecting plate with the connection can be dismantled to the second connecting plate.
Further, the connection assembly further comprises a fastener, and the first connection plate and the second connection plate are connected through the fastener.
Furthermore, a first U-shaped groove is formed in the first protective sleeve, a second U-shaped groove is formed in the second protective sleeve, and the notch of the first U-shaped groove and the notch of the second U-shaped groove are arranged oppositely to form the accommodating cavity.
Further, the supporting component comprises a lattice column and a steel beam, the lattice column is anchored in the cast-in-place pile, the steel beam is installed on the lattice column, and the second protective sleeve is installed on the steel beam.
Further, the number of the lattice columns is plural, and the plural lattice columns are arranged at intervals along the embedding direction of the cable.
Furthermore, the number of the protection components is at least one, and the protection components are arranged in one-to-one correspondence with the cables.
Furthermore, a drilling hole is formed in the wall of the cable pit, and the cast-in-place pile is arranged in the drilling hole.
The utility model has the advantages that:
the utility model provides a cable bearing structure for underground works construction includes supporting component and protection subassembly, and the supporting component anchor is in being located the bored concrete pile in the cable pit, and the protection subassembly includes first protective sheath and second protective sheath, and the second protective sheath is installed on the supporting component, and first protective sheath can be dismantled with the second protective sheath and be connected, and first protective sheath and second protective sheath form and hold the chamber, hold the chamber and be configured to hold the cable. The cable is arranged in the accommodating cavity, the cable is supported and protected, the cable is prevented from being damaged, the cable does not need to be changed, normal construction of underground engineering is guaranteed on the premise of normal power supply, the construction period of the underground engineering can be shortened, and the efficiency of underground engineering construction is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts. Wherein:
fig. 1 is a schematic structural diagram of a cable support structure for underground engineering construction according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cable and a protection assembly according to an embodiment of the present invention;
fig. 3 is a side view of a cable support structure for underground construction according to an embodiment of the present invention.
In the figure:
1-a cable; 2-a support assembly; 3-a protective component; 4-filling piles; 5-cable pit; 6, drilling; 7-soil layer;
21-lattice columns; 22-steel beam; 31-a first protective sheath; 32-a second protective sheath; 33-a connecting assembly;
311-a first U-shaped groove; 321-a second U-shaped groove; 331-a first connection plate; 332-a second connecting plate; 333-fastener.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present embodiment provides a cable support structure for underground engineering construction, the cable support structure for underground engineering construction includes a support component 2 and a protection component 3, the support component 2 is anchored in a cast-in-place pile 4 located in a cable pit 5, the protection component 3 includes a first protection sleeve 31 and a second protection sleeve 32, the second protection sleeve 32 is mounted on the support component 2, the first protection sleeve 31 is detachably connected with the second protection sleeve 32, the first protection sleeve 31 and the second protection sleeve 32 form a containing cavity, and the containing cavity is configured to contain a cable 1. The first protective sheath 31 is detachably connected to the second protective sheath 32 to facilitate the entry of the cable 1 into the receiving cavity. Set up cable 1 in holding the intracavity, play support and guard action to cable 1, prevent that cable 1 from damaging, and need not move and change cable 1, under the prerequisite of normal power supply, ensure the normal construction of underground works, can shorten underground works's time limit for a project, improve the efficiency of underground works construction.
As shown in fig. 1, a borehole 6 is opened in the wall of the cable pit 5, and the cast-in-place pile 4 is disposed in the borehole 6. That is, the circumference of the borehole 6 is covered by the soil layer 7.
Specifically, the surface skin and the inside of the cable 1 must not be damaged when the cable pit 5 is excavated. When the cable 1 is completely exposed, the appearance of the cable 1 needs to be inspected, and a cable section with a slightly damaged outer sheath needs to be repaired.
Further, the number of the protection components 3 is at least one, and the protection components 3 are arranged in one-to-one correspondence with the cables 1.
In the present embodiment, three cables 1 are provided across the underground works, and therefore three sets of protection members 3 are provided on the support member 2.
As shown in fig. 2, the protection component 3 further includes a connecting component 33, the connecting component 33 includes a first connecting plate 331 and a second connecting plate 332, the first connecting plate 331 is mounted on the first protection sleeve 31, the second connecting plate 332 is mounted on the second protection sleeve 32, and the first connecting plate 331 and the second connecting plate 332 are detachably connected.
Specifically, a first connecting plate 331 is welded to the first protective sheath 31, and a second connecting plate 332 is welded to the second protective sheath 32
Further, the connecting assembly 33 further includes a fastener 333, and the first connecting plate 331 and the second connecting plate 332 are connected by the fastener 333.
Specifically, the fastening member 333 may be a bolt and a nut, the bolt passes through the first connecting plate 331 and the second connecting plate 332 and is in threaded connection with the nut, and the nut is tightly pressed against the second connecting plate 332.
Further, a first U-shaped groove 311 is formed in the first protective sleeve 31, a second U-shaped groove 321 is formed in the second protective sleeve 32, and a notch of the first U-shaped groove 311 and a notch of the second U-shaped groove 321 are arranged in a right-to-right manner to form an accommodating cavity.
Further, the supporting component 2 comprises a lattice column 21 and a steel beam 22, the lattice column 21 is anchored in the cast-in-place pile 4, the steel beam 22 is installed on the lattice column 21, and the second protective sleeve 32 is installed on the steel beam 22.
Specifically, the steel beam 22 is welded to the lattice column 21. During welding, the batten plates are welded at the upper part and the lower part of the steel beam 22 at certain intervals, and reliable connection of the steel beam 22 is guaranteed. Bolt hole mounting bolts are reserved on two sides of the batten plate, and after the bolt is mounted, the bolt is welded with the second protective sleeve 32.
Specifically, the lattice column 21 is welded with a water stop steel plate in advance at the bottom plate and the top plate of the underground engineering to prevent the water seepage phenomenon.
Furthermore, a ground pole debugging test is carried out on the lattice column 21, the resistance is required to be less than or equal to 0.5 omega, and the unqualified lattice column 21 is excavated to a position below 500mm of the underground engineering bottom plate, is newly made with the ground pole and is in equipotential connection with the lattice column 21.
Specifically, the lattice column 21 comprises angle steel and a batten plate, the angle steel and the batten plate are both made of Q345B, the size of the angle steel is less than 140 x 12, the size of the batten plate is-450 x 125 x 10, and welding rods are E50 series; the steel beam 22 comprises a channel steel and a batten plate, wherein the batten plate is made of Q235B, the channel steel is 40# a, the lower batten plate is-440 multiplied by 200 multiplied by 12, the upper batten plate is-850 multiplied by 200 multiplied by 12, and the welding flux is E43 XX; the first protective sleeve 31 and the second protective sleeve 32 are both DN200 straight welded pipes.
Further, the deviation of the height of the top standard of the latticed column 21 is not more than 5cm, and the verticality is not more than 1/300. The thickness of the main reinforcement protective layer of the cast-in-place pile 4 is 4.5 cm. The steel beam 22 is welded by grooves and is connected into a whole. If the latticed column 21 and the steel beam 22 are over one year, anticorrosion measures are needed, the rust removal grade is ST3, and primer and finish are respectively used twice.
Further, both sides at first protective sheath 31 and second protective sheath 32 are provided with coupling assembling 33, improve the connection stability of first protective sheath 31 and second protective sheath 32.
Further, in order to improve the connection stability of the first protective sheath 31 and the second protective sheath 32 and to protect the cable 1 better, a plurality of sets of connection assemblies 33 may be provided at intervals along the burying direction of the cable 1.
As shown in fig. 3, the number of the lattice columns 21 is plural, and the plural lattice columns 21 are provided at intervals in the embedding direction of the cable 1.
After the cable 1 is arranged in the accommodating cavity, excavation and main body construction of underground engineering are started, after the main body construction is finished, when soil is covered on the upper portion of the top plate of the underground engineering, the cable 1 is taken out of the accommodating cavity, the cable 1 is buried on the upper portion of the top plate of the underground engineering, and the latticed column 21 between the bottom plate and the top plate of the underground engineering is cut off.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. A cable support structure for underground construction, comprising:
a support assembly (2) anchored in a cast-in-place pile (4), the cast-in-place pile (4) being located in a cable pit (5);
a protection assembly (3) comprising a first protection sheath (31) and a second protection sheath (32), the second protection sheath (32) being mounted on the support assembly (2), the first protection sheath (31) being detachably connected with the second protection sheath (32), the first protection sheath (31) and the second protection sheath (32) forming a housing cavity configured to house the cable (1).
2. The cable support structure for underground engineering work according to claim 1, characterized in that the protection assembly (3) further comprises a connection assembly (33), the connection assembly (33) comprising a first connection plate (331) and a second connection plate (332), the first connection plate (331) being mounted on the first protective sheath (31), the second connection plate (332) being mounted on the second protective sheath (32), the first connection plate (331) and the second connection plate (332) being detachably connected.
3. The cable support structure for underground construction according to claim 2, wherein the connection assembly (33) further comprises a fastener (333), and the first connection plate (331) and the second connection plate (332) are connected by the fastener (333).
4. The cable support structure for underground construction according to claim 1, wherein the first protective sheath (31) has a first U-shaped groove (311) formed therein, the second protective sheath (32) has a second U-shaped groove (321) formed therein, and a notch of the first U-shaped groove (311) and a notch of the second U-shaped groove (321) are disposed opposite to each other to form the accommodating cavity.
5. The cable support structure for underground engineering construction according to claim 1, characterized in that the support assembly (2) comprises lattice columns (21) and steel beams (22), the lattice columns (21) being anchored in the cast-in-place piles (4), the steel beams (22) being mounted on the lattice columns (21), the second protective sheath (32) being mounted on the steel beams (22).
6. The cable support structure for underground construction according to claim 5, wherein the number of the lattice columns (21) is plural, and the plural lattice columns (21) are arranged at intervals in the burying direction of the cable (1).
7. The cable support structure for underground construction according to claim 1, wherein the number of the protection components (3) is at least one, and the protection components (3) are provided in one-to-one correspondence with the cables (1).
8. The cable support structure for underground construction according to claim 1, wherein a borehole (6) is opened on the wall of the cable pit (5), and the cast-in-place pile (4) is disposed in the borehole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468911.9U CN214798702U (en) | 2021-06-30 | 2021-06-30 | Cable supporting structure for underground engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468911.9U CN214798702U (en) | 2021-06-30 | 2021-06-30 | Cable supporting structure for underground engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214798702U true CN214798702U (en) | 2021-11-19 |
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ID=78715082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121468911.9U Active CN214798702U (en) | 2021-06-30 | 2021-06-30 | Cable supporting structure for underground engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214798702U (en) |
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2021
- 2021-06-30 CN CN202121468911.9U patent/CN214798702U/en active Active
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