CN-122013783-A - Underground storey-adding reverse-acting soil sampling equipment for urban dense calendar-protecting building group and construction method

CN122013783ACN 122013783 ACN122013783 ACN 122013783ACN-122013783-A

Abstract

The invention provides underground storey-adding reverse-acting soil taking equipment for urban dense calendar and protecting building groups and a construction method thereof, which belong to the technical field of building engineering and comprise a lattice column, a vertical rail, a lifting frame, a lifting mechanism and a lifting driving mechanism, wherein an earthwork lifting opening is formed in the earthwork lifting opening, a lattice column is constructed at the earthwork lifting opening of an earthwork taking floor, the vertical rail is fixedly installed at the lattice column, a top support is fixedly arranged at the top of the vertical rail, the length direction of the vertical rail is an extensible assembling structure, the length of the vertical rail is adjusted according to the construction height of an earthwork excavation layer, the lifting frame is arranged on the vertical rail in a sliding mode along the vertical direction, a soil taking hopper for containing earthwork is arranged on the vertical rail, and the lifting driving mechanism is fixedly installed on the top support and used for driving the lifting frame to lift and move along the vertical rail to realize lifting earthwork from the earthwork excavation layer to the position above the earthwork taking floor.

Inventors

LIU YUTAO
CHEN ZHONG
YUE YUANQI
YOU KEQUAN
HUANG XINGXING
HE JUNWEI
QIE JIATIAN

Assignees

中天建设集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260324

Claims (10)

1. The underground storey-adding reverse-acting soil sampling device for the urban dense calendar and protecting building group is characterized by comprising the following components: The soil taking floor (200) is provided with an earthwork lifting opening, a lattice column (201) is constructed at the earthwork lifting opening of the soil taking floor (200), the fixed vertical installation rail (1) is fixedly installed at the lattice column (201), and the top of the vertical rail (1) is fixedly provided with a top bracket (2), the length direction of the vertical rail (1) is of an extensible assembly structure, and the length of the vertical rail (1) is adjusted according to the construction height of the earthwork excavation layer (100); the lifting frame (7) is arranged on the vertical rail (1) in a sliding manner along the vertical direction, and the vertical rail (1) is provided with a soil sampling hopper (8) for accommodating earthwork; The lifting driving mechanism (4) is fixedly arranged on the top bracket (2) and is used for driving the lifting frame (7) to move up and down along the vertical rail (1) so as to realize lifting earthwork from an earthwork excavation layer (100) to above the soil taking floor (200); The horizontal conveying mechanism (6) is arranged on the soil taking floor (200) and horizontally extends out of a window of a building, and is used for horizontally conveying earthwork lifted in the soil taking hopper (8) to an earthwork transport vehicle; And the spraying dust falling mechanism (5) is arranged on the top support (2) and is positioned right above the horizontal conveying mechanism (6) and is used for spraying dust falling in the process of horizontal transportation of earthwork.
2. The urban dense calendar and protecting building group underground storey adding reverse soil taking device according to claim 1, wherein the lifting frame (7) comprises a support body (71), limit guide wheels (72) which are in sliding fit with the inner sides of the vertical rails (1) are arranged at four corners of the support body (71), two groups of steel wire guide wheels (73) which are matched with the lifting driving mechanism (4) are rotatably arranged at the upper end of the support body (71), two groups of side mounting plates (74) are fixedly arranged at the lower end of the support body (71), the soil taking hopper (8) is rotatably arranged between the two groups of side mounting plates (74), and a rotating motor (75) for driving the soil taking hopper (8) to rotate is fixedly arranged on one group of side mounting plates (74).
3. The urban dense calendar building group underground storey-adding reverse soil taking device according to claim 2, wherein the lifting driving mechanism (4) comprises a steel wire rotating wheel (42) rotatably installed on a top support (2), a lifting motor (41) for driving the steel wire rotating wheel (42) to rotate is fixedly installed on the top support (2), a lifting steel wire (43) is connected to the steel wire rotating wheel (42), one end of the lifting steel wire (43) penetrates through two groups of steel wire guide wheels (73) to be fixedly connected to the top support (2), the other end of the lifting steel wire (43) is fixedly connected with a counterweight sliding block (44), a counterweight vertical rail (3) is fixedly arranged at the side end of the vertical rail (1), and the counterweight sliding block (44) is slidingly connected to the counterweight vertical rail (3) along the vertical direction.
4. The urban dense calendar and protecting building group underground storey-adding reverse soil taking device according to claim 1, wherein the spraying dust fall mechanism (5) comprises a spraying water tank (51) fixedly arranged at the upper end of the top support (2), the spraying water tank (51) is connected with an external water source through a water pump, a plurality of spraying pipes (52) are communicated with the spraying water tank (51), and a plurality of atomizing nozzles (53) are arranged on the spraying pipes (52).
5. The urban dense calendar and protecting building group underground storey-adding reverse soil taking equipment according to claim 1, wherein the soil taking hopper (8) comprises a hopper bin (81) for accommodating earthwork, hopper shafts (84) are fixedly arranged on two sides of the hopper bin (81), one group of hopper shafts (84) are rotatably arranged on a side mounting plate (74), the other group of hopper shafts (84) are fixedly connected to an output shaft of a rotating motor (75), limit brackets (82) are fixedly arranged on two side walls of the hopper bin (81) on which the hopper shafts (84) are not arranged, and U-shaped sliding plates (83) are connected to the limit brackets (82) in a sliding and penetrating manner; When the hopper bin (81) is positioned at the earthwork excavation layer (100) to be filled with earthwork, the hopper bin (81) is driven to rotate to incline by the rotating motor (75), so that the earthwork is conveniently filled into the hopper bin (81) by the excavator, and at the moment, the U-shaped sliding plates (83) positioned at the two sides simultaneously slide upwards to form a feeding chute, so that the earthwork is poured into the hopper bin (81); When hopper storehouse (81) are located the floor of getting it filled (200) department and empty the earthwork, drive hopper storehouse (81) through rotating electrical machines (75) and rotate to the slope and empty to the earthwork, U type slide (83) that are located both sides this moment are upwards slided simultaneously, U type slide (83) that are located the lower part form the spout that earthwork was emptyd for the earthwork falls into horizontal conveying mechanism (6) through this spout is complete, and the spout apron when U type slide (83) that are located upper portion form the earthwork and empty, avoid the earthwork to produce a large amount of raise dust when empting, spray dust fall mechanism (5) of cooperation horizontal conveying mechanism (6) top reduce job site raise dust concentration.
6. The urban dense calendar building group underground storey-adding reverse soil taking device according to claim 5, wherein two side walls of the hopper bin (81) provided with a hopper shaft (84) are provided with a transmission mechanism (88) and a first shaft lever (86) is rotatably installed, a driving gear (87) is fixedly installed on the first shaft lever (86), a transmission rack (831) meshed with the driving gear (87) is fixedly arranged at the side end of the U-shaped sliding plate (83), the transmission mechanism (88) is used for driving the other group of U-shaped sliding plates (83) to slide along the limiting support (82), two groups of belt transmission members (85) are fixedly installed on the hopper shaft (84), one group of belt transmission members (85) are in transmission connection with the first shaft lever (86), and the other group of belt transmission members (85) are in transmission connection with the transmission mechanism (88).
7. The urban dense calendar and protecting building group underground storey-adding reverse soil taking device according to claim 6, wherein the transmission mechanism (88) comprises a second shaft rod (881) and a third shaft rod (883) which are rotatably arranged on the side wall of the hopper bin (81), the second shaft rod (881) is in transmission connection with the hopper shaft (84) through a belt transmission piece (85), a driving gear (882) is fixedly arranged on the second shaft rod (881), a driven gear (884) is fixedly arranged on the third shaft rod (883), and the driven gear (884) is in meshed connection with the third shaft rod (883) and a transmission rack (831) arranged on an adjacent U-shaped sliding plate (83).
8. The urban dense calendar and protecting building group underground storey-adding reverse soil taking device according to claim 5, wherein the lower end of the hopper bin (81) is of an opening structure, and a soil digging mechanism (89) is arranged at the opening of the lower end of the hopper bin (81); The excavating mechanism (89) comprises two groups of excavating shafts (892) rotatably mounted at the lower end of a hopper bin (81), an excavating motor (891) for driving the two groups of excavating shafts (892) to rotate oppositely is fixedly arranged on the side wall of the hopper bin (81), and an excavating bucket (894) is fixedly connected to the excavating shafts (892) through a shaft connecting plate (893).
9. The urban dense calendar and protecting building group underground layer-adding reverse-acting soil sampling device according to claim 1, wherein the soil sampling device is characterized in that: The horizontal conveying mechanism (6) comprises a conveying frame (61) fixedly arranged on a soil taking floor (200), conveying rollers (62) are rotatably arranged at two ends of the conveying frame (61), a conveying motor (63) for driving the conveying rollers (62) to rotate is fixedly arranged on the side wall of the conveying frame (61), and a conveying belt (64) for conveying earthwork is connected between the two groups of conveying rollers (62) in a transmission manner; The upper part of the conveying frame (61) is fixedly provided with a supporting plate (65), the supporting plate (65) is positioned at the lower surface of the upper conveying belt (64), and the upper end of the supporting plate (65) is provided with a V-shaped groove (651).
10. An urban dense calendar and protecting building group underground layer-increasing reverse soil sampling construction method, which is applied to the urban dense calendar and protecting building group underground layer-increasing reverse soil sampling equipment as set forth in any one of claims 1 to 9, and is characterized by comprising the following steps: after the structure reinforcement is completed, the construction structure is reversed, and the excavator enters the interior of the building to excavate soil downwards; constructing pile foundation lattice columns (201) according to the reserved hole positions, and then constructing a floor slab; Step three, installing a vertical rail (1) and a horizontal conveying mechanism (6) at the position of an earthwork lifting opening of the soil taking floor (200); step four, the excavator is dumped at the elevation of the earth excavation layer (100) to the lower part of an earth lifting opening; Fifthly, carrying the earthwork to the position above an earthwork taking floor (200) by an earthwork taking hopper (8), dumping the earthwork by rotation and falling on a horizontal conveying mechanism (6), wherein the horizontal conveying mechanism (6) extends out of a window of a building and directly falls into an earthwork transport vehicle; step six, reserving an earthwork lifting opening in the construction of the floor slab of the earthwork excavation layer (100), lengthening the length of the vertical rail (1), and repeating the soil sampling of the construction of the next layer.

Description

Underground storey-adding reverse-acting soil sampling equipment for urban dense calendar-protecting building group and construction method Technical Field The invention belongs to the technical field of constructional engineering, in particular to underground storey-adding reverse soil taking equipment for urban dense calendar and protecting building groups and a construction method. Background In deep foundation pit engineering practice, the vertical lifting operation of earthwork generally adopts a matching mode of a gantry crane and a soil taking grab bucket. After the earthwork is lifted to the ground, the earthwork is transported horizontally through a gantry crane track system and finally loaded to a transport vehicle. However, this mode of operation presents significant drawbacks in terms of construction efficiency, particularly in terms of the engineering of dense historic building groups in urban as-built areas. If the equipment is transferred to indoor operation, the soil taking grab bucket is quite easy to collide with the outer wall of a historical building in the horizontal transfer process due to huge volume, so that irreversible structural damage is caused. Meanwhile, the traditional method lacks effective sealing measures in the earthwork transportation link, so that flying dust is greatly diffused, the living environment of surrounding residents is influenced, and corrosive harm to a historical building body is also possible. In the prior art system, a comprehensive solution capable of taking into consideration the structural integrity protection of historical buildings, the adaptability of narrow spaces, the continuity of earth transportation and the dust pollution control is not formed. Disclosure of Invention The application aims to provide underground storey-adding reverse soil taking equipment for urban dense calendar and protecting building groups and a construction method, which are capable of effectively solving the problem of construction in a narrow space. The technical scheme adopted by the invention for solving the technical problems is that the underground layer-increasing reverse soil taking equipment for the urban dense calendar and protecting building group comprises: the soil taking floor is provided with an earthwork lifting opening, a lattice column is constructed at the earthwork lifting opening of the soil taking floor, the fixedly installed vertical rail is fixedly installed at the lattice column, and the top of the vertical rail is fixedly provided with a top bracket; the lifting frame is arranged on the vertical rail in a sliding manner along the vertical direction, and the soil sampling hopper for accommodating earthwork is arranged on the vertical rail; the lifting driving mechanism is fixedly arranged on the top support and used for driving the lifting frame to move up and down along the vertical rail so as to realize lifting earthwork from an earthwork excavation layer to above an earth taking floor; The horizontal conveying mechanism is arranged on the soil taking floor and horizontally extends out of a window of a building, and is used for horizontally conveying earthwork lifted in the soil taking hopper to an earthwork transport vehicle; The spraying dust fall mechanism is arranged on the top support and is located right above the horizontal conveying mechanism and used for spraying dust fall in the process of horizontal transportation of earthwork. Preferably, the lifting frame comprises a bracket body, limit guide wheels which are in sliding fit with the inner sides of the vertical rails are arranged at four corners of the bracket body, two groups of steel wire guide wheels which are matched with the lifting driving mechanism are rotatably arranged at the upper end of the bracket body, two groups of side mounting plates are fixedly arranged at the lower end of the bracket body, the soil sampling hopper is rotatably arranged between the two groups of side mounting plates, and a rotating motor for driving the soil sampling hopper to rotate is fixedly arranged on one group of side mounting plates. The lifting driving mechanism comprises a steel wire rotating wheel rotatably arranged on a top support, a lifting motor used for driving the steel wire rotating wheel to rotate is fixedly arranged on the top support, a lifting steel wire is connected to the steel wire rotating wheel, one end of the lifting steel wire penetrates through two groups of steel wire guide wheels to be fixedly connected to the top support, the other end of the lifting steel wire is fixedly connected with a counterweight sliding block, a counterweight vertical rail is fixedly arranged at the side end of the vertical rail, and the counterweight sliding block is connected to the counterweight vertical rail in a sliding mode along the vertical direction. Preferably, the spray dust fall mechanism comprises a spray water tank fixedly arranged at the upper end of the top support, the spray water