CN211285631U - Karst area foundation excavation prevents reinforcing apparatus that sinks - Google Patents
Karst area foundation excavation prevents reinforcing apparatus that sinks Download PDFInfo
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- CN211285631U CN211285631U CN201922075969.6U CN201922075969U CN211285631U CN 211285631 U CN211285631 U CN 211285631U CN 201922075969 U CN201922075969 U CN 201922075969U CN 211285631 U CN211285631 U CN 211285631U
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- rod
- sleeve
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- screw
- belt frame
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 18
- 238000009412 basement excavation Methods 0.000 title claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims abstract description 31
- 230000002265 prevention Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- -1 marl Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a reinforcing device for preventing collapse of foundation excavation in karst areas, belonging to the technical field of karst foundation support, comprising a base, a belt frame, a motor and a support rod; the bottom of the belt frame is rotatably provided with a driving wheel, the top of the belt frame is rotatably provided with a driven wheel, and the driving wheel is connected with the driven wheel through a belt; the driving wheel is connected with the motor; a first screw rod penetrates through the driven wheel, and the thread directions of the first screw rods on the rod bodies on the two sides of the driven wheel are opposite; the supporting rods are symmetrically arranged at two sides of the belt frame, and the top ends of the supporting rods are provided with mounting sleeves; an adjusting sleeve is fixed in the mounting sleeve; the inner wall of the adjusting sleeve is provided with threads matched with the first screw rod, the inner end of the adjusting sleeve penetrates through the first screw rod, and the outer end of the adjusting sleeve is fixed with a supporting and protecting plate; a limiting sleeve is arranged on the supporting and protecting plate on one side of the belt frame, a limiting slide rod is arranged on the supporting and protecting plate on the other side of the belt frame, and the limiting slide rod is inserted in the limiting sleeve in a sliding mode. The device can provide better support to the building foundation ditch in karst area.
Description
Technical Field
The utility model belongs to the technical field of karst ground is strutted, specifically disclose a reinforcing apparatus that sinks is prevented in karst area ground excavation.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size, when the building foundation pit is excavated, the foundation pit needs to be timely supported, otherwise, the foundation pit is easy to deform and collapse, and a traditional foundation pit supporting structure is built in the foundation pit through a supporting plate and an inclined strut on site. The karst is formed by long-term chemical corrosion of water on soluble rocks such as limestone, marl, dolomite and the like, part of the rocks contain mud and are severely weathered, so that the upper soil layer is thick, the lower bedrock is broken, and due to the characteristics of the karst, when a building foundation pit is excavated in a karst area, deformation and collapse are more likely to occur, and the traditional foundation pit supporting structure cannot achieve a satisfactory supporting effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reinforcing apparatus that collapses is prevented in karst area ground excavation can provide better strutting to the building foundation ditch in karst area.
In order to achieve the purpose, the utility model provides a collapse prevention reinforcing device for foundation excavation in karst areas, which comprises a base, a belt frame, a motor and a support rod, wherein the belt frame, the motor and the support rod are arranged on the base; the bottom of the belt frame is rotatably provided with a driving wheel, the top of the belt frame is rotatably provided with a driven wheel, and the driving wheel is connected with the driven wheel through a belt; the driving wheel is connected with an output shaft of the motor; a first screw rod penetrates through the driven wheel, and the thread directions of the first screw rods on the rod bodies on the two sides of the driven wheel are opposite; the supporting rods are symmetrically arranged at two sides of the belt frame, and the top ends of the supporting rods are provided with mounting sleeves; an adjusting sleeve is fixed in the mounting sleeve; the inner wall of the adjusting sleeve is provided with threads matched with the first screw rod, the inner end of the adjusting sleeve penetrates through the first screw rod, and the outer end of the adjusting sleeve is fixed with a supporting and protecting plate; a limiting sleeve is arranged on the supporting and protecting plate on one side of the belt frame, a limiting slide rod is arranged on the supporting and protecting plate on the other side of the belt frame, and the limiting slide rod is inserted in the limiting sleeve in a sliding mode.
Furthermore, a buffer spring is arranged in the limiting sleeve, and two ends of the buffer spring are respectively fixed at the end parts of the limiting sleeve and the limiting slide rod.
Furthermore, a through limiting groove is formed in the wall of the limiting sleeve; the end part of the limiting slide bar, which is positioned in the limiting sleeve, is provided with an anti-falling rod; the anti-falling rod passes through the limiting groove.
Furthermore, the device for reinforcing collapse prevention in foundation excavation in the karst region further comprises a bottom plate and a height adjusting rod; the bottom of the base is provided with a mounting groove, a second screw rod is rotatably mounted in the mounting groove, the directions of the threads on the rod bodies positioned on the two sides of the center of the second screw rod are opposite, and two sections of threads of the second screw rod are both in threaded connection with a movable sleeve; the bottom plate is positioned below the base and is provided with a fixing part; the two ends of the height adjusting rod are respectively hinged on the movable sleeve and the fixed part.
Furthermore, one end of the second screw penetrates through the base and is provided with a turntable with a handle.
Further, the bottom surface of bottom plate is provided with the walking wheel that has self-locking structure.
The utility model has the advantages that:
(1) the anti-settling reinforcing structure for the underground karst foundation of the high-rise building is placed in a building foundation pit, a motor is started according to the size of the building foundation pit, a driving wheel is rotated, a driven wheel is driven by a belt to rotate, a first screw rod is rotated, the screw thread directions of the first screw rod on rod bodies on two sides of the driven wheel are opposite, a limiting slide rod slides and is limited by a limiting sleeve, when the first screw rod rotates, adjusting sleeves on two sides are pushed by opposite screw threads to move in the opposite direction, the distance between two side protective plates can be flexibly controlled, and the two side protective plates are tightly abutted against the building foundation pit, so that powerful support is realized;
(2) the buffer spring is arranged in the limiting sleeve, so that the vibration generated when the supporting plate moves can be absorbed, and the supporting plate can move more stably;
(3) the anti-falling rod is matched with the limiting groove to limit the stroke of the limiting slide rod and prevent the limiting slide rod from falling off from the limiting sleeve;
(4) the rotating disc is arranged, the rotating disc is rotated, the second screw rod is rotated, and the second screw rod is provided with two sections of threads with opposite directions, so that when the second screw rod rotates, the movable sleeves on two sides are pushed by the opposite threads to move in opposite directions, the distance between the two movable sleeves can be flexibly controlled, when the two movable sleeves are close to each other, the two height adjusting rods are gradually converted into a vertical state, and when the two movable sleeves are far away from each other, the two height adjusting rods are gradually converted into a horizontal state, so that the height of the supporting and protecting plate is adjusted;
(5) the walking wheels can be conveniently moved at any time, so that the device is more convenient and practical to use.
Drawings
Fig. 1 is a schematic structural view of a reinforcing apparatus for preventing collapse in foundation excavation in a karst area provided by an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a of the karst region foundation excavation collapse prevention reinforcing apparatus shown in fig. 1.
In the figure: 1-a base; 2, a motor; 3-supporting rods; 4-driving wheel; 5-driven wheel; 6-a belt; 7-a first screw; 8-installing a sleeve; 9-adjusting the sleeve; 10-supporting guard plates; 11-a limit sleeve; 12-a limit slide bar; 13-a buffer spring; 14-anti-falling rod; 15-a base plate; 16-height adjustment rod; 17-a second screw; 18-a movable sleeve; 19-a fixed part; 20-a turntable; 21-road wheels.
Detailed Description
The embodiment provides a collapse prevention reinforcing device for foundation excavation in a karst region, which comprises a base 1, a belt frame, a motor 2 and a supporting rod 3, wherein the belt frame, the motor 2 and the supporting rod are arranged on the base 1; the bottom of the belt frame is rotatably provided with a driving wheel 4, the top of the belt frame is rotatably provided with a driven wheel 5, and the driving wheel 4 is connected with the driven wheel 5 through a belt 6; the driving wheel 4 is connected with an output shaft of the motor 2; a first screw 7 penetrates through the driven wheel 5, and the screw directions of the first screws 7 on the rod bodies on the two sides of the driven wheel 5 are opposite; the supporting rods 3 are symmetrically arranged at two sides of the belt frame, and the top ends of the supporting rods are provided with mounting sleeves 8; an adjusting sleeve 9 is fixed in the mounting sleeve 8; the inner wall of the adjusting sleeve 9 is provided with threads matched with the first screw 7, the inner end of the adjusting sleeve penetrates through the first screw 7, and the outer end of the adjusting sleeve is fixed with a supporting plate 10; a limiting sleeve 11 is arranged on the supporting plate 10 positioned on one side of the belt frame, a limiting slide rod 12 is arranged on the supporting plate 10 positioned on the other side of the belt frame, and the limiting slide rod 12 is inserted in the limiting sleeve 11 in a sliding mode.
Above-mentioned reinforced structure is prevented subsiding by high-rise building underground karst ground places in the building foundation ditch, size according to the building foundation ditch, starter motor 2, make action wheel 4 rotate, drive through belt 6 and rotate from driving wheel 5, make first screw rod 7 rotate, because first screw rod 7 is located the screw thread opposite direction on the body of rod from driving wheel 5 both sides, and the restriction of stop slide 12 slip and stop sleeve 11, when first screw rod 7 rotates, the adjusting sleeve 9 of both sides receives opposite screw thread thrust and reverse movement, can control the distance between the both sides backplate 10 in a flexible way, tightly support two side backplate 10 in leaning on the building foundation ditch, realize powerful strutting.
Further, a buffer spring 13 is arranged in the limiting sleeve 11, and two ends of the buffer spring 13 are respectively fixed at the ends of the limiting sleeve 11 and the limiting slide rod 12. The buffer spring 13 is arranged in the limiting sleeve 11, so that the vibration generated when the supporting plate 10 moves can be absorbed, and the supporting plate 10 can move more stably.
Furthermore, a through limiting groove is formed in the wall of the limiting sleeve 11; the end part of the limiting slide rod 12 positioned in the limiting sleeve 11 is provided with an anti-falling rod 14; the anti-falling rod 14 passes through the limiting groove. The anti-falling rod 14 is matched with the limiting groove to limit the stroke of the limiting slide rod 12 and prevent the limiting slide rod 12 from falling off from the limiting sleeve 11.
Furthermore, the device for reinforcing collapse prevention in foundation excavation in the karst region further comprises a bottom plate 15 and a height adjusting rod 16; the bottom of the base 1 is provided with an installation groove, a second screw 17 is rotatably installed in the installation groove, the directions of the threads on the rod bodies of the second screw 17 positioned at the two sides of the center are opposite, and two sections of threads of the second screw 17 are both in threaded connection with a movable sleeve 18; the bottom plate 15 is positioned below the base 1 and is provided with a fixing part 19; the two ends of the height adjusting rod 16 are respectively hinged on the movable sleeve 18 and the fixed part 19. When the second screw 17 is rotated, because the second screw 17 has two sections of threads with opposite directions, when the second screw 17 is rotated, the movable sleeves 18 at two sides are pushed by the opposite threads to move in opposite directions, so that the distance between the two movable sleeves 18 can be flexibly controlled, when the two movable sleeves 18 are close to each other, the two height adjusting rods 16 are gradually turned into a vertical state, and when the two movable sleeves 18 are far away from each other, the two height adjusting rods 16 are gradually turned into a horizontal state, so that the height of the support guard plate 10 is adjusted. Specifically, the second screw 17 is rotatably mounted in the mounting groove through a bearing.
Further, one end of the second screw 17 passes through the base 1, and a turntable 20 with a handle is provided.
Further, the bottom surface of the bottom plate 15 is provided with a walking wheel 21 having a self-locking structure. The arrangement of the walking wheels 21 can facilitate the movement of the device at any time, so that the device is more convenient and practical to use.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (6)
1. The utility model provides a reinforcing apparatus that collapses is prevented in karst area ground excavation which characterized in that: comprises a base (1), a belt rack arranged on the base (1), a motor (2) and a support rod (3);
the bottom of the belt frame is rotatably provided with a driving wheel (4), the top of the belt frame is rotatably provided with a driven wheel (5), and the driving wheel (4) is connected with the driven wheel (5) through a belt (6);
the driving wheel (4) is connected with an output shaft of the motor (2);
a first screw rod (7) penetrates through the driven wheel (5), and the screw thread directions of the first screw rods (7) on the rod bodies on the two sides of the driven wheel (5) are opposite;
the supporting rods (3) are symmetrically arranged on two sides of the belt rack, and the top ends of the supporting rods are provided with mounting sleeves (8);
an adjusting sleeve (9) is fixed in the mounting sleeve (8);
the inner wall of the adjusting sleeve (9) is provided with threads matched with the first screw rod (7), the inner end of the adjusting sleeve penetrates through the first screw rod (7), and the outer end of the adjusting sleeve is fixed with a supporting and protecting plate (10);
a limiting sleeve (11) is arranged on the supporting plate (10) on one side of the belt frame, a limiting slide rod (12) is arranged on the supporting plate (10) on the other side of the belt frame, and the limiting slide rod (12) is inserted into the limiting sleeve (11) in a sliding mode.
2. The karst area foundation excavation collapse prevention reinforcing apparatus of claim 1, characterized in that, be provided with buffer spring (13) in limiting sleeve (11), the both ends of buffer spring (13) are fixed respectively in the tip of limiting sleeve (11) and limiting slide bar (12).
3. The device for reinforcing collapse prevention of foundation excavation in the karst region according to claim 2, wherein a through limiting groove is formed in the wall of the limiting sleeve (11);
the end part of the limiting slide rod (12) positioned in the limiting sleeve (11) is provided with an anti-falling rod (14);
the anti-falling rod (14) penetrates through the limiting groove.
4. The karst area foundation excavation collapse prevention reinforcing device of claim 1, further comprising a bottom plate (15) and a height adjusting rod (16);
the bottom of the base (1) is provided with an installation groove, a second screw (17) is rotatably installed in the installation groove, the directions of the threads on the rod bodies of the second screw (17) positioned at two sides of the center are opposite, and two sections of threads of the second screw (17) are in threaded connection with a movable sleeve (18);
the bottom plate (15) is positioned below the base (1) and is provided with a fixing part (19);
two ends of the height adjusting rod (16) are respectively hinged on the movable sleeve (18) and the fixed part (19).
5. The karst area foundation excavation collapse prevention reinforcing apparatus of claim 4, characterized in that, one end of the second screw rod (17) passes through the base (1), and is provided with a turntable (20) with a handle.
6. The karst region foundation excavation collapse prevention reinforcing apparatus as claimed in claim 4, wherein the bottom surface of the bottom plate (15) is provided with a walking wheel (21) having a self-locking structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075969.6U CN211285631U (en) | 2019-11-27 | 2019-11-27 | Karst area foundation excavation prevents reinforcing apparatus that sinks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075969.6U CN211285631U (en) | 2019-11-27 | 2019-11-27 | Karst area foundation excavation prevents reinforcing apparatus that sinks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211285631U true CN211285631U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922075969.6U Active CN211285631U (en) | 2019-11-27 | 2019-11-27 | Karst area foundation excavation prevents reinforcing apparatus that sinks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211285631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506384A (en) * | 2022-11-23 | 2022-12-23 | 成都理工大学 | Quick layering device for ice water accumulation layer |
| CN116905524A (en) * | 2023-09-09 | 2023-10-20 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Foundation anti-collapse reinforcement device and reinforcement method in karst areas |
-
2019
- 2019-11-27 CN CN201922075969.6U patent/CN211285631U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506384A (en) * | 2022-11-23 | 2022-12-23 | 成都理工大学 | Quick layering device for ice water accumulation layer |
| CN116905524A (en) * | 2023-09-09 | 2023-10-20 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Foundation anti-collapse reinforcement device and reinforcement method in karst areas |
| CN116905524B (en) * | 2023-09-09 | 2023-11-14 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Foundation anti-collapse reinforcement device and reinforcement method in karst areas |
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