CN215406129U - Inner supporting device for reverse construction of steel sheet pile cofferdam - Google Patents
Inner supporting device for reverse construction of steel sheet pile cofferdam Download PDFInfo
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- CN215406129U CN215406129U CN202121353011.XU CN202121353011U CN215406129U CN 215406129 U CN215406129 U CN 215406129U CN 202121353011 U CN202121353011 U CN 202121353011U CN 215406129 U CN215406129 U CN 215406129U
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- traction screw
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Abstract
The utility model discloses an inner supporting device for reverse construction of a steel sheet pile cofferdam, which comprises a steel platform and a construction platform, wherein the construction platform is symmetrically provided with a supporting member for sinking an inner support in the middle part, the supporting member comprises a rotating disc arranged on the construction platform, driven gear and driving piece, driven gear rotates and installs on the rolling disc, driven gear middle part threaded connection has the bottom and supports the continuous traction screw rod of support, traction screw rod and interior support are passed through automatically controlled connecting piece and are realized being connected or separating, construction platform's upper and lower both sides all are provided with the cover and establish the pipe that prevents inclining outside traction screw rod, the inner wall that prevents inclining the pipe is provided with the pressure detector with traction screw rod outer lane butt, the pressure detector electricity is connected with well accuse ware in order to control and adjust the driven gear rotational speed, the supporting a plurality of reserve screws that are used for elongated that are provided with of traction screw rod, still set up the reserve screw rod pivoted mechanical structure of restriction on the construction platform.
Description
Technical Field
The utility model relates to the technical field of cofferdam construction, in particular to an inner supporting device for reverse construction of a steel sheet pile cofferdam.
Background
The cofferdam serves for building an underwater foundation or a deep foundation pit, is a temporary enclosure structure and has the function of preventing water and soil from entering the building position of a structure so as to drain water in the cofferdam, excavate the foundation pit and build the structure. The cofferdam is generally removed after use, except as a part of the actual structure. The cofferdam height should be higher than the highest water level that may occur during construction.
The existing construction mode of cofferdam mainly divide into two kinds of earth-rock cofferdam and sheet pile cofferdam, to the construction environment of deep water or deep basal pit, generally adopt the steel sheet pile cofferdam in the sheet pile cofferdam, this engineering just relates to and adopts the reverse construction method to construct steel sheet pile cofferdam, has related to the inner support device of one set of steel sheet pile cofferdam reverse construction method construction from this, conveniently carries out the reverse construction method operation in the deep water environment.
After the search of the prior art, the inner support mounting device (with the patent number being ZL202020520773.3) applied for the reverse construction of the steel sheet pile cofferdam is found, the steel platform is used as a supporting member, the suspension inner support system is arranged to sink the inner support, so that the construction risk and cost are reduced, the verticality and the plane position of the inner support sinking can be controlled, the inserting and driving quality of the steel sheet pile is effectively ensured, the thought of the application is similar to that of the steel platform, the steel platform is used as the supporting platform and the construction platform, the inner support is processed and sunk in sequence, but the device has simple structure and does not consider the problem that a finishing rolling threaded steel bar lifting rope connected with the inner support is separated, the whole cofferdam may need to be dismantled after being constructed, and cannot be applied to deeper water areas or engineering environments with rapid water flow.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an inner supporting device for reverse construction of a steel sheet pile cofferdam.
The technical purpose of the utility model is realized by the following technical scheme:
an inner support device for reverse construction of a steel sheet pile cofferdam comprises a steel platform and a construction platform supported on the steel platform, wherein the construction platform is symmetrically provided with a support member for sinking an inner support in the middle, the support member comprises a rotary disc, a driven gear and a driving piece for driving the driven gear to rotate, the rotary disc is rotatably arranged at the bottom end of the driven gear, the middle part of the driven gear is in threaded connection with a traction screw rod, the bottom end of the traction screw rod is connected with the inner support, the traction screw rod is connected with or separated from the inner support through an electric control connecting piece, the upper side and the lower side of the construction platform are respectively provided with an anti-tilting pipe sleeved outside the traction screw rod, the inner wall of the anti-tilting pipe is provided with a pressure detector abutted against the outer ring of the traction screw rod, the pressure detector is provided with a middle controller for controlling and adjusting the rotating speed of the driven gear, and the center position of the top end of the traction screw rod is provided with a square insertion groove, and draw the screw rod and circle and seted up the communicating screw hole with the inserting groove, it is used for a plurality of extra long reserve screw rods to draw the supporting being provided with of screw rod, square inserting groove has equally been seted up on the top of reserve screw rod, the bottom is provided with square inserting rod, reserve screw rod all sets up threaded hole on inserting groove position and inserting rod, the supporting fixing bolt that sets up in the threaded hole, be provided with two installation bases at drawing the screw rod bilateral symmetry on the construction platform, be provided with two lift cylinders on two installation bases respectively, the top of two lift cylinders is connected with the connecting rod jointly, the bottom of connecting rod is provided with the grafting piece with reserve screw rod top inserting groove matched with.
Further preferably, the electronic control connecting piece comprises a lower mounting shell mounted on the inner support, a first driving motor arranged in the lower mounting shell and a control panel for controlling the first driving motor to open and close, the control panel is electrically connected with a wireless transceiver and a power supply, an output shaft of the first driving motor is vertically upwards provided with a connecting pipe, and the bottom end of the traction screw rod is provided with a through groove in threaded connection with the threaded pipe.
Further preferably, the driving member includes an upper mounting case, and a reduction gear set and a second driving motor which are disposed in the upper mounting case, the reduction gear set is engaged with the driven gear, and an output shaft of the second driving motor is connected with the reduction gear set.
Preferably, the driving member, the electric control connecting member and the lifting oil cylinder are all electrically connected with and controlled by the central controller.
In summary, compared with the prior art, the beneficial effects of the utility model are as follows: the traction screw rod is connected with the inner support, the central controller can control the sinking speed of the inner support according to the flow rate of water under the matching of the anti-tilting pipe and the pressure detector, so that the inner support can stably sink underwater to be suitable for a deeper water area or an engineering environment with rapid water flow, and the traction screw rod is connected with the inner support through the electric control connecting piece, so that the separation or connection of the traction screw rod and the inner support can be remotely realized under the control of the central controller; the arrangement of the driven gear and the driving piece is matched with the limit of the upper connecting rod and the insertion block, so that the traction screw rod can be lifted and lowered under the rotation of the driven gear to change the position of the bottom end in the vertical direction, and the arrangement of the standby screw rod enables the whole device to be suitable for deeper water areas.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Reference numerals: 1. a steel platform; 2. a construction platform; 3. rotating the disc; 4. a driven gear; 5. a traction screw; 6. an upper mounting shell; 7. a reduction gear set; 8. a second drive motor; 9. a lower mounting shell; 10. a first drive motor; 11. a connecting pipe; 12. a through groove; 13. an anti-tilt tube; 14. inserting grooves; 15. a standby screw; 16. a plug rod; 17. installing a base; 18. a lift cylinder; 19. a connecting rod; 20. and (6) plugging the blocks.
Detailed Description
The following provides a more detailed description of the present invention with reference to the accompanying drawings.
The utility model provides an inner support arrangement of steel sheet pile cofferdam reverse construction, refer to fig. 1 and show, including steel platform 1 and the construction platform 2 of support on steel platform 1, the symmetry is provided with on construction platform 2 and is used for the middle part to set up and carries out the support member of sinking to internal support, support member through the symmetry setting realizes that the interior stability of supporting is sunk, support member is including installing rolling disc 3 on construction platform 2, driven gear 4, and be used for ordering about driven gear 4 pivoted driving piece, 4 bottom rotations of driven gear are installed on rolling disc 3, and 4 middle part threaded connection of driven gear have the bottom to support continuous traction screw 5 in the continuous, traction screw 5 passes through automatically controlled connecting piece realization with interior support and is connected or the separation.
The above-described structures of the respective positions will now be specifically described:
the driving piece comprises an upper mounting shell 6, a reduction gear set 7 and a second driving motor 8, wherein the reduction gear set 7 and the second driving motor 8 are arranged in the upper mounting shell 6, the reduction gear set 7 is meshed with the driven gear 4, and an output shaft of the second driving motor 8 is connected with the reduction gear set 7.
The electric control connecting piece comprises a lower mounting shell 9 mounted on the inner support, a first driving motor 10 arranged in the lower mounting shell 9 and a control panel for controlling the first driving motor 10 to open and close, a wireless receiving and transmitting device and a power supply are electrically connected to the control panel, an output shaft of the first driving motor 10 is vertically upwards provided with a connecting pipe 11, and the bottom end of the traction screw rod 5 is provided with a through groove 12 connected with a threaded pipe.
The upper side and the lower side of the construction platform 2 are both provided with an anti-tilting pipe 13 sleeved outside the traction screw 5, the inner wall of the anti-tilting pipe 13 is provided with a pressure detector abutted against the outer ring of the traction screw 5, the pressure detector is electrically connected with a central controller to control and adjust the rotating speed of the driven gear 4, the central position of the top end of the traction screw 5 is provided with a square inserting groove 14, the inner ring of the traction screw 5 is provided with a threaded hole communicated with the inserting groove 14, the traction screw 5 is provided with a plurality of spare screws 15 for lengthening, the top end of the spare screw 15 is also provided with the square inserting groove 14, the bottom end of the spare screw 15 is provided with a square inserting rod 16, the spare screw 15 is provided with threaded holes at the position of the inserting groove 14 and the inserting rod 16, the threaded holes are internally provided with fixing bolts in a matching manner, two installation bases 17 are symmetrically arranged at the two sides of the traction screw 5 on the construction platform 2, and two installation bases 17 are respectively provided with two lifting oil cylinders 18, the top ends of the two lifting oil cylinders 18 are connected with a connecting rod 19 together, and the bottom end of the connecting rod 19 is provided with an inserting block 20 matched with the inserting groove 14 at the top end of the standby screw 15.
Driving piece, automatically controlled connecting piece, lift cylinder 18 all are connected with well accuse ware electricity and receive its control, and specific control condition is as follows:
after the traction screw 5 is installed, the standby screw 15 can be installed or not installed, the inserting block 20 enters the top end of the traction screw 5 or the inserting groove 14 at the top end of the standby screw 15, the specific height of the inserting block 20 is controlled through the lifting oil cylinder 18, then the bottom end of the traction screw 5 is connected with the inner support, the central controller can control the first driving motor 10, the second driving motor 8 and the lifting oil cylinder 18 to be started simultaneously, the rotation of the second driving motor 8 is used for driving the traction screw 5 to move downwards, the lifting oil cylinder 18 ensures that the inserting block 20 is located in the inserting groove 14 at any time, the first driving motor 10 is started and matched with the upper traction screw 5 to move downwards, and finally the connecting pipe 11 on the output shaft of the first driving motor 10 is in threaded connection with the through groove 12 at the bottom end of the traction screw 5;
in the process that the traction screw 5 needs to move downwards to realize the sinking of the inner support, the central controller only starts the second driving motor 8 and the lifting oil cylinder 18, when the standby screw 15 needs to be added, the lifting oil cylinder 18 is controlled to lift the insertion block 20 upwards, then another standby screw 15 is installed in the insertion groove 14 at the top end of the standby screw 15, and finally the insertion block 20 enters the insertion groove 14 of the standby screw 15 at the topmost end.
The above description is intended to be illustrative of the present invention and not to limit the scope of the utility model, which is defined by the claims appended hereto.
Claims (4)
1. An inner support device for reverse construction of a steel sheet pile cofferdam comprises a steel platform and a construction platform supported on the steel platform, wherein the construction platform is symmetrically provided with a support member for sinking an inner support in the middle, the support member comprises a rotary disc, a driven gear and a driving member for driving the driven gear to rotate, the rotary disc is rotatably mounted at the bottom end of the driven gear, the middle part of the driven gear is in threaded connection with a traction screw rod, the bottom end of the traction screw rod is connected with the inner support, the traction screw rod is connected with or separated from the inner support through an electric control connecting piece, the upper side and the lower side of the construction platform are respectively provided with an anti-tilting pipe sleeved outside the traction screw rod, the inner wall of the anti-tilting pipe is provided with a pressure detector abutted against the outer ring of the traction screw rod, the pressure detector is electrically connected with a central controller for controlling and adjusting the rotating speed of the driven gear, draw screw rod top central point to put and seted up square inserting groove, and draw the screw rod and circle in and set up the communicating screw hole with the inserting groove, it is used for a plurality of extra long reserve screw rods to draw the supporting being provided with of screw rod, square inserting groove has equally been seted up on the top of reserve screw rod, the bottom is provided with square inserted bar, reserve screw rod all sets up threaded hole on inserting groove position and inserted bar, the supporting fixing bolt that sets up in the threaded hole, be provided with two installation bases drawing screw rod bilateral symmetry on the construction platform, be provided with two lift cylinders on two installation bases respectively, two lift cylinders's top is connected with the connecting rod jointly, the bottom of connecting rod is provided with the grafting piece with reserve screw rod top inserting groove matched with.
2. The internal supporting device for reverse construction of a steel sheet pile cofferdam of claim 1, wherein the electric control connecting member comprises a lower mounting shell mounted on the internal support, a first driving motor arranged in the lower mounting shell, and a control panel for controlling the first driving motor to open and close, the control panel is electrically connected with a wireless transceiver and a power supply, an output shaft of the first driving motor is vertically upwards provided with a connecting pipe, and the bottom end of the traction screw is provided with a through groove in threaded connection with the threaded pipe.
3. The internal support device for reverse construction of a steel sheet pile cofferdam of claim 1, wherein the driving member comprises an upper mounting shell, and a reduction gear set and a second driving motor arranged in the upper mounting shell, the reduction gear set is engaged with the driven gear, and an output shaft of the second driving motor is connected with the reduction gear set.
4. The internal supporting device for reverse construction of a steel sheet pile cofferdam of claim 1, wherein the driving member, the electric control connecting member and the lifting cylinder are all electrically connected with and controlled by the central controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353011.XU CN215406129U (en) | 2021-06-17 | 2021-06-17 | Inner supporting device for reverse construction of steel sheet pile cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353011.XU CN215406129U (en) | 2021-06-17 | 2021-06-17 | Inner supporting device for reverse construction of steel sheet pile cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215406129U true CN215406129U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353011.XU Active CN215406129U (en) | 2021-06-17 | 2021-06-17 | Inner supporting device for reverse construction of steel sheet pile cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215406129U (en) |
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2021
- 2021-06-17 CN CN202121353011.XU patent/CN215406129U/en active Active
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