CN210395435U - Collapse-proof supporting device for open excavation method construction of urban underground comprehensive pipe gallery - Google Patents

Collapse-proof supporting device for open excavation method construction of urban underground comprehensive pipe gallery Download PDF

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Publication number
CN210395435U
CN210395435U CN201920960211.8U CN201920960211U CN210395435U CN 210395435 U CN210395435 U CN 210395435U CN 201920960211 U CN201920960211 U CN 201920960211U CN 210395435 U CN210395435 U CN 210395435U
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supporting
mounting
plate
construction
supporting plate
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CN201920960211.8U
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赵健
吴鹏
闫江
陈兆宇
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Abstract

The utility model discloses an anti-collapse supporting device for open excavation construction of an urban underground comprehensive pipe gallery, which comprises a first supporting plate (1), a bottom plate (2), a mounting groove (3), a mounting screw hole (4), a second mounting seat (18), a third fixing screw (20) and a third supporting rod (21); the bottom plate is vertically connected to the inner side of the bottom of the first supporting plate to form an L-shaped supporting structure; the mounting grooves are inwards sunken and arranged on the inner wall of the first supporting plate, at least one mounting screw hole is formed in each mounting groove, and the second mounting seat is embedded in the mounting grooves in a matching mode and is fixed through the mounting screw holes through third fixing screws; the upper end of the third supporting rod is connected to the second mounting seat, and the lower end of the third supporting rod is inserted into the ground of the foundation pit in an inclined mode, so that the outer wall of the first supporting plate is attached to and supports the inner wall of the foundation pit. The utility model discloses can play effectual foundation ditch and prevent the square of collapsing and strut the effect, small builds lightly, is applicable to the foundation ditch of different excavation areas.

Description

Collapse-proof supporting device for open excavation method construction of urban underground comprehensive pipe gallery
Technical Field
The utility model relates to an open cut method underground construction auxiliary assembly especially relates to a city utility tunnel open cut method construction is with preventing strutting arrangement who collapses.
Background
The open cut method is an underground engineering construction method which firstly excavates the ground, builds a lining under the open air condition and then covers and backfills, is the most basic and common construction method in the soft soil underground engineering construction, has the characteristics of long history and wide application, and is mainly used for shallow tunnels. According to statistics, the underground engineering constructed by the open cut method accounts for more than two thirds of the total number of soft soil engineering.
The utility model relates to a comprehensive pipe gallery (also known as a common ditch or a common pipeline), namely an underground urban pipeline comprehensive corridor, which is characterized in that a tunnel space is built underground, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility model is an important infrastructure and a life line for guaranteeing urban operation.
In the process of using the open cut method to carry out the construction of the urban underground comprehensive pipe gallery, after the underground soil is excavated to form the foundation pit, in order to prevent the soil on the two sides of the foundation pit from collapsing and bring inconvenience to the construction, the soil on the two sides of the foundation pit needs to be blocked by using a supporting device so as to carry out the underground construction smoothly.
At present, most of foundation pits are large in area, so that an anti-collapse square supporting device for open excavation construction of an urban underground comprehensive pipe gallery in the prior art is large in size, complex in construction process, high in cost and capable of being matched with a large machine; to the less foundation ditch of excavation area, traditional strutting arrangement does not have the effect of lightly putting up, and the commonality is relatively poor.
Disclosure of Invention
An object of the utility model is to provide a city utility tunnel open cut method construction is with preventing supporting device of the side of collapsing can play effectual foundation ditch and prevent the side of collapsing and strut the effect, and is small, builds lightly, is applicable to the foundation ditch of different excavation areas.
The utility model discloses a realize like this:
a collapse-prevention supporting device for open excavation construction of an urban underground comprehensive pipe gallery comprises a first supporting plate, a bottom plate, a mounting groove, a mounting screw hole, a second mounting seat, a third fixing screw and a third supporting rod; the bottom plate is vertically connected to the inner side of the bottom of the first supporting plate to form an L-shaped supporting structure; the mounting grooves are inwards sunken and arranged on the inner wall of the first supporting plate, at least one mounting screw hole is formed in each mounting groove, and the second mounting seat is embedded in the mounting grooves in a matching mode and is fixed through the mounting screw holes through third fixing screws; the upper end of the third supporting rod is connected to the second mounting seat, and the lower end of the third supporting rod is inserted into the ground of the foundation pit in an inclined mode, so that the outer wall of the first supporting plate is attached to and supports the inner wall of the foundation pit.
The top of first backup pad be equipped with the hoist and mount groove, be equipped with the fixed column in the hoist and mount inslot.
The second mounting seat is provided with a clamping shaft, the upper end of the third supporting rod is connected with the second mounting seat through the clamping shaft, and the third supporting rod rotates through the clamping shaft.
The lower end of the third supporting rod is of a conical structure.
The installation grooves are arranged in a matrix structure.
A collapse-prevention supporting device for open excavation construction of an urban underground comprehensive pipe gallery comprises a first supporting plate, a bottom plate, a mounting groove, a mounting screw hole, a second supporting plate, a first mounting seat, a fixing hole, a second fixing screw and a supporting rod; the bottom plates are respectively and vertically connected to the inner sides of the bottoms of the first supporting plate and the second supporting plate to form a pair of L-shaped supporting structures, and the pair of L-shaped supporting structures are oppositely arranged to enable the outer walls of the first supporting plate and the second supporting plate to be respectively attached to and support the inner walls of two sides of the foundation pit; the mounting grooves are arranged on the inner wall in an inwards recessed mode, at least one mounting screw hole is formed in each mounting groove, at least one fixing hole is formed in each first mounting seat, the first mounting seats are embedded in the mounting grooves in a matched mode and are fixed through the fixing holes and the mounting screw holes through second fixing screws; the two ends of the supporting rod are respectively connected with the first mounting seat, so that the supporting rod is horizontally supported between the first supporting plate and the second supporting plate.
The top of first backup pad and second backup pad be equipped with undercut respectively and place the top groove, place the top inslot and be equipped with the screw hole, the both ends of roof match respectively and inlay the dress and in placing the top inslot of first backup pad and second backup pad to through first fixed screw through screw hole fixed, make the roof support between first backup pad and second backup pad.
The top of first backup pad and second backup pad be equipped with the hoist and mount groove respectively, be equipped with the fixed column in the hoist and mount inslot.
The first mounting seat is provided with a connecting hole with internal threads, and the two ends of the supporting rod are respectively provided with external threads, so that the end part of the supporting rod is screwed in the connecting hole through thread matching.
The installation grooves are arranged in a matrix structure.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses can use independent supporting construction, or use mated supporting construction to satisfy the supporting demand of different excavation area's foundation ditch, the supporting construction design of cooperation L shape can effectively prevent the foundation ditch landslide.
2. The utility model discloses an independent supporting construction is small, and the quality is light, makes hoist and mount, transportation, builds the operation more convenient.
3. The utility model discloses can reach stable supporting effect through bracing piece structure and the roof structure of difference, bracing piece structure and roof structure are adjustable in order to ensure the inseparable laminating of backup pad and foundation ditch inner wall, further prevent foundation ditch landslide, and the dismouting of bracing piece structure and roof structure is convenient.
The utility model discloses can play effectual foundation ditch and prevent the square of collapsing and strut the effect, it is small, build lightly, can make up the use, be applicable to the foundation ditch of different excavation areas.
Drawings
Fig. 1 is a perspective view of an embodiment 1 of the collapse-preventing support device for open cut method construction of the urban underground comprehensive pipe gallery of the utility model;
fig. 2 is an enlarged view of a third support rod in the embodiment 1 of the collapse-preventing support device for the open cut method construction of the urban underground comprehensive pipe gallery of the utility model;
fig. 3 is a perspective view of a first supporting plate in the collapse-proof supporting device for the open cut method construction of the urban underground comprehensive pipe gallery;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a perspective view of embodiment 2 of the collapse-preventing support device for the open cut method construction of the urban underground comprehensive pipe gallery;
FIG. 6 is a schematic structural view in perspective of the top plate of FIG. 5;
fig. 7 is an exploded view of the first support bar of fig. 5 in an installed state.
In the figure, 1 a first supporting plate, 2 a bottom plate, 3 mounting grooves, 4 mounting screw holes, 5 a placing top groove, 6 threaded holes, 7 hoisting grooves, 8 fixing columns, 9 a second supporting plate, 10 a top plate, 11 first fixing screws, 12 a first mounting seat, 13 fixing holes, 14 second fixing screws, 15 connecting holes, 16 first supporting rods, 17 second supporting rods, 18 second mounting seats, 19 clamping shafts, 20 third fixing screws and 21 third supporting rods.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1:
referring to fig. 1, the collapse-preventing support device for the open excavation construction of the urban underground comprehensive pipe gallery comprises a first support plate 1, a bottom plate 2, a mounting groove 3, a mounting screw hole 4, a second mounting seat 18, a third fixing screw 20 and a third support rod 21; the bottom plate 2 is vertically connected to the inner side of the bottom of the first supporting plate 1 to form an L-shaped supporting structure; the mounting grooves 3 are inwards recessed and arranged on the inner wall of the first supporting plate 1, at least one mounting screw hole 4, preferably four mounting screw holes 4, are arranged in each mounting groove 3, the second mounting seat 18 is embedded in the mounting grooves 3 in a matching mode and is fixed through the mounting screw holes 4 through third fixing screws 20, preferably, the mounting grooves 3 and the second mounting seats 18 are of rectangular structures, and the second mounting seats 18 are mounted in the mounting grooves 3 through the third fixing screws 20 at four corners in a matching mode through the four mounting screw holes 4; the upper end of the third support rod 21 is connected to the second mounting base 18, and the lower end of the third support rod 21 is inserted into the ground of the foundation pit in an inclined manner, so that the outer wall of the first support plate 1 is attached to and supports the inner wall of the foundation pit.
Referring to fig. 3 and 4, a downwardly concave hoisting groove 7 is formed in the top of the first supporting plate 1, a fixing column 8 is arranged in the hoisting groove 7, and the fixing column 8 can be arranged in the center of the top of the hoisting groove 7, so that the hoisting groove 7 forms a U-shaped structure, the rope of the hoisting equipment can be conveniently fixed, and the hoisting is convenient. The hoisting groove 7 can be arranged in the center or on both sides of the top of the first support plate 1 according to the size and hoisting requirements of the first support plate 1.
Referring to fig. 1 and fig. 2, a clamping shaft 19 is arranged on the second mounting seat 18, the upper end of a third support rod 21 is connected with the second mounting seat 18 through the clamping shaft 19, and the third support rod 21 rotates through the clamping shaft 19, so that the inclined support angle of the third support rod 21 can be adjusted, and the support device is suitable for foundation pits with different areas and can meet the support requirements of different strengths.
The lower end of the third support rod 21 is of a conical structure, so that the third support rod can be inserted into the ground more conveniently.
Referring to fig. 3, the plurality of mounting grooves 3 are arranged in a matrix structure, a suitable number of mounting grooves 3, preferably 4 mounting grooves 3, may be arranged in the transverse direction and the longitudinal direction of the first supporting plate 1, the two transversely designed mounting grooves 3 are used for mounting two third supporting rods 21 at the same height in parallel, so as to achieve a balanced and effective supporting function at two sides, and the two longitudinally designed mounting grooves 3 may be used for adjusting the mounting height of the third supporting rods 21, thereby adjusting the height of the supporting position of the first supporting plate 1, and making the support more stable.
When the support structure is built, the lifting hook can be hung in the hoisting groove 7 and fixed through the fixing column 8 through the excavator or crane device, the L-shaped support structure can be hoisted in place, the outer wall of the first support plate 1 is tightly attached to the inner wall of the foundation pit, the bottom plate 2 is attached to the ground of the foundation pit, and the support stability of the L-shaped support structure can be improved. Four mounting grooves 3 are symmetrically arranged on the first supporting plate 1, a second mounting seat 18 is fixedly mounted in the two mounting grooves 3 at the same height through a third fixing screw 20 through a mounting screw hole 4, and a third supporting rod 21 is inserted into the ground through a conical structure after the supporting angle is adjusted through a clamping shaft 19 to play a supporting role. According to the size of the foundation pit and the strength requirement of the support, a plurality of L-shaped support structures can be sequentially arranged and paved, so that the support effect is improved.
Example 2:
referring to fig. 5 and 6, the collapse-preventing support device for the open excavation construction of the urban underground comprehensive pipe gallery comprises a first support plate 1, a bottom plate 2, a mounting groove 3, a mounting screw hole 4, a second support plate 9, a first mounting seat 12, a fixing hole 13, a second fixing screw 14 and a support rod; the bottom plate 2 is respectively and vertically connected to the inner sides of the bottoms of the first supporting plate 1 and the second supporting plate 9 to form a pair of L-shaped supporting structures, and the pair of L-shaped supporting structures are oppositely arranged to enable the outer walls of the first supporting plate 1 and the second supporting plate 9 to be respectively attached to and support the inner walls of two sides of the foundation pit; the mounting grooves 3 are arranged on the inner wall in a concave mode, at least one mounting screw hole 4 is arranged in each mounting groove 3, preferably four mounting screw holes 4 are arranged in each mounting groove, at least one fixing hole 13 is formed in each first mounting seat 12, each first mounting seat 12 is embedded in each mounting groove 3 in a matching mode and is fixed through the fixing holes 13 and the mounting screw holes 4 through second fixing screws 14, preferably, the mounting grooves 3 and the first mounting seats 12 are of rectangular structures, and the first mounting seats 12 are mounted in the mounting grooves 3 in a matching mode through the four mounting screw holes 4 through the second fixing screws 14 at four corners; the two ends of the support rod are respectively connected with the first mounting base 12, so that the support rod is horizontally supported between the first support plate 1 and the second support plate 9. Preferably, the support rods comprise a first support rod 16 and a second support rod 17, or even a greater number of support rods, to improve the supporting ability.
The top of first backup pad 1 and second backup pad 9 be equipped with undercut respectively and place the overhead tank 5, place and be equipped with screw hole 6 in the overhead tank 5, the both ends of roof 10 match respectively and inlay the dress in the overhead tank 5 of placing of first backup pad 1 and second backup pad 9 to it is fixed through screw hole 6 through first fixed screw 11, make roof 10 horizontal support between first backup pad 1 and second backup pad 9, be located the top of bracing piece, improve the stability of strutting and strut of first backup pad 1 and second backup pad 9 and strut intensity.
Referring to fig. 3 and 4, the top of the first supporting plate 1 and the top of the second supporting plate 9 are respectively provided with a downwardly concave hoisting groove 7, a fixing column 8 is arranged in the hoisting groove 7, and the fixing column 8 can be arranged in the center of the top of the hoisting groove 7, so that the hoisting groove 7 forms a U-shaped structure, which is convenient for fixing the rope of the hoisting equipment and hoisting. The hoisting slots 7 can be arranged in the center or on both sides of the top of the first support plate 1 and the second support plate 9 according to the size and hoisting requirements of the first support plate 1 and the second support plate 9.
Referring to fig. 7, the first mounting seat 12 is provided with a connecting hole 15 having an internal thread, and two ends of the supporting rod are respectively provided with an external thread, so that the end of the supporting rod is screwed into the connecting hole 15 through a thread, and the supporting length of the supporting rod can be adjusted by screwing the threads, so as to ensure that the first supporting plate 1 and the second supporting plate 9 can be tightly attached to the inner walls of two sides of the foundation pit, and achieve the desired supporting effect.
Referring to fig. 3, the plurality of mounting grooves 3 are arranged in a matrix structure, a suitable number of mounting grooves 3, preferably 4 mounting grooves 3, can be arranged in the horizontal and longitudinal directions of the first supporting plate 1 and the second supporting plate 9, the two mounting grooves 3 designed in the horizontal direction are used for parallelly mounting the first supporting rod 16 and the second supporting rod 17 at the same height, so as to achieve a balanced and effective supporting function at two sides, and the two mounting grooves 3 designed in the longitudinal direction can be used for adjusting the mounting heights of the first supporting rod 16 and the second supporting rod 17, so as to adjust the heights of the supporting positions of the first supporting plate 1 and the second supporting plate 9, and thus the supporting is more stable.
When putting up, accessible digs machine or loop wheel machine device, hangs the lifting hook in hoist and mount groove 7 and hang fixedly through fixed column 8, can target in place L shape supporting construction hoist and mount, makes the outer wall of first backup pad 1 and second backup pad 9 tightly laminate on the both sides inner wall of foundation ditch and relative and stand, and bottom plate 2 laminates subaerially at the foundation ditch, and L shape supporting construction can improve the stability of strutting, and both sides are strutted simultaneously and can be improved and strut the effect. Four mounting grooves 3 are symmetrically arranged on the first supporting plate 1 and the second supporting plate 9 respectively, a first mounting seat 12 is fixedly mounted in the two mounting grooves 3 at the same height through second fixing screws 14 through fixing holes 13, and a first supporting rod 16 and a second supporting rod 17 are horizontally supported between the first supporting plate 1 and the second supporting plate 9 through the first mounting seat 12 to play a role in supporting. The first supporting rod 16 and the second supporting rod 17 are matched and screwed with the connecting hole 15 through threads, and the supporting length between the first supporting plate 1 and the second supporting plate 9 can be adjusted to ensure that the first supporting plate 1 and the second supporting plate 9 are tightly attached to the inner wall of the foundation pit. If the stability of strutting needs further to be improved, can shelve roof 10 between the roof groove 5 of placing at first backup pad 1 and second backup pad 9 top, roof 10 and the U-shaped roof groove 5 phase-match of placing ensure the stability of block to fix through screw hole 6 through first set screw 11. According to the size of the foundation pit and the strength requirement of the support, a plurality of pairs of L-shaped support structures can be laid in sequence, and the support effect is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a city utility tunnel open cut method construction is with strutting arrangement who prevents collapsing, characterized by: comprises a first supporting plate (1), a bottom plate (2), a mounting groove (3), a mounting screw hole (4), a second mounting seat (18), a third fixing screw (20) and a third supporting rod (21); the bottom plate (2) is vertically connected to the inner side of the bottom of the first supporting plate (1) to form an L-shaped supporting structure; the mounting grooves (3) are arranged on the inner wall of the first supporting plate (1) in an inwards recessed mode, at least one mounting screw hole (4) is formed in each mounting groove (3), the second mounting seat (18) is embedded in each mounting groove (3) in a matched mode and fixed through the mounting screw holes (4) through third fixing screws (20); the upper end of the third support rod (21) is connected to the second mounting seat (18), and the lower end of the third support rod (21) is obliquely inserted into the ground of the foundation pit, so that the outer wall of the first support plate (1) is attached to and supports the inner wall of the foundation pit.
2. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 1, characterized in that: the top of the first supporting plate (1) is provided with a hoisting groove (7), and a fixing column (8) is arranged in the hoisting groove (7).
3. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 1, characterized in that: the second mounting seat (18) is provided with a clamping shaft (19), the upper end of the third supporting rod (21) is connected with the second mounting seat (18) through the clamping shaft (19), and the third supporting rod (21) rotates through the clamping shaft (19).
4. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 1 or 3, characterized in that: the lower end of the third supporting rod (21) is of a conical structure.
5. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 1, characterized in that: the installation grooves (3) are arranged in a matrix structure.
6. The utility model provides a city utility tunnel open cut method construction is with strutting arrangement who prevents collapsing, characterized by: the device comprises a first supporting plate (1), a bottom plate (2), a mounting groove (3), a mounting screw hole (4), a second supporting plate (9), a first mounting seat (12), a fixing hole (13), a second fixing screw (14) and a supporting rod; the bottom plate (2) is respectively and vertically connected to the inner sides of the bottoms of the first supporting plate (1) and the second supporting plate (9) to form a pair of L-shaped supporting structures, and the pair of L-shaped supporting structures are oppositely arranged to ensure that the outer walls of the first supporting plate (1) and the second supporting plate (9) are respectively attached to and support the inner walls of the two sides of the foundation pit; the mounting grooves (3) are arranged on the inner wall in an inwards recessed mode, at least one mounting screw hole (4) is formed in each mounting groove (3), at least one fixing hole (13) is formed in each first mounting seat (12), the first mounting seats (12) are embedded in the mounting grooves (3) in a matching mode, and the first mounting seats are fixed with the mounting screw holes (4) through the fixing holes (13) through second fixing screws (14); two ends of the supporting rod are respectively connected with the first mounting seat (12), so that the supporting rod is horizontally supported between the first supporting plate (1) and the second supporting plate (9).
7. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 6, characterized in that: the top of first backup pad (1) and second backup pad (9) be equipped with undercut respectively and place top groove (5), place and be equipped with screw hole (6) in top groove (5), the both ends of roof (10) match respectively and inlay the dress in placing top groove (5) of first backup pad (1) and second backup pad (9) to it is fixed through screw hole (6) through first fixed screw (11), make roof (10) support between first backup pad (1) and second backup pad (9).
8. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 6, characterized in that: the top of the first supporting plate (1) and the top of the second supporting plate (9) are respectively provided with a hoisting groove (7), and a fixing column (8) is arranged in the hoisting groove (7).
9. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 6, characterized in that: the first mounting seat (12) is provided with a connecting hole (15) with internal threads, and the two ends of the supporting rod are respectively provided with external threads, so that the end part of the supporting rod is screwed in the connecting hole (15) through thread matching.
10. The urban underground comprehensive pipe gallery open cut method construction anti-collapse supporting device according to claim 6, characterized in that: the installation grooves (3) are arranged in a matrix structure.
CN201920960211.8U 2019-06-24 2019-06-24 Collapse-proof supporting device for open excavation method construction of urban underground comprehensive pipe gallery Active CN210395435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920960211.8U CN210395435U (en) 2019-06-24 2019-06-24 Collapse-proof supporting device for open excavation method construction of urban underground comprehensive pipe gallery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920960211.8U CN210395435U (en) 2019-06-24 2019-06-24 Collapse-proof supporting device for open excavation method construction of urban underground comprehensive pipe gallery

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112376987A (en) * 2020-12-10 2021-02-19 湖南恒邦建工有限公司 Compression-resistant assembly type double grave

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112376987A (en) * 2020-12-10 2021-02-19 湖南恒邦建工有限公司 Compression-resistant assembly type double grave

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