CN208733657U - Underground open caisson - Google Patents
Underground open caisson Download PDFInfo
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- CN208733657U CN208733657U CN201821378234.XU CN201821378234U CN208733657U CN 208733657 U CN208733657 U CN 208733657U CN 201821378234 U CN201821378234 U CN 201821378234U CN 208733657 U CN208733657 U CN 208733657U
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- open caisson
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Abstract
The utility model discloses a kind of underground open caissons, belong to open caisson field, its key points of the technical solution are that including pit shaft, pit shaft includes the basic cylinder and multiple more piece cylinders being connected at the top of basic cylinder of bottom end, steel mesh is fixedly connected in more piece cylinder, steel mesh includes cross reinforcement and vertical steel bar, and vertical steel bar stretches out setting at the top of more piece cylinder；Holding tank is offered in more piece cylinder bottom, vertical steel bar can extend into holding tank, multiple U-shaped snapping framves are equipped on the more piece cylinder at top, snapping frame is formed with snap groove, the more piece cylinder at top is plugged in snap groove, it is located at more piece cylinder interior location in snapping frame and is fixedly connected with pressure sensor, pressure value of the pressure sensor real-time detection more piece medial wall of the tube to snapping frame, it solves open caisson and is difficult to construct in yielding ground, it is easy to happen the problem of skew, the pressure for reducing the open caisson that yielding ground is disposably born is reached, open caisson can be monitored in real time nonangular trend, conveniently make the effect of corresponding adjustment.
Description
Technical field
The utility model relates to open caisson field, in particular to a kind of underground open caisson.
Background technique
Open caisson is the works of pit shaft shape, it is sunk after overcoming borehole wall frictional resistance by self gravity with cutting the earth in well
To designed elevation, then passes through concrete sealing bottom and clog wellhole, become the basis of Bridge Pier or other structures object.
The prior art can refer to the Chinese utility model patent that Authorization Notice No. is CN207376636U, and it discloses one kind
Improved caisson structure, including the prefabricated open caisson module that several sections dock up and down, the prefabricated open caisson module is hollow cylindrical,
Several vertical guide slots of prefabricated open caisson module inner wall even distribution, the fixed vertical oriented tube in guide slot top, the orientation
Tube top portion stretch out prefabricated open caisson module top surface simultaneously be inserted into the guide slot of prefabricated open caisson module on top, and oriented tube top surface with it is upper
There is gap between the oriented tube bottom surface of the prefabricated open caisson module in portion, is equipped with water pipe in the oriented tube and guide slot, bottommost
Water pipe bottom in prefabricated open caisson module is connected with water cutter head, and oriented tube top surface is stretched out at the top of the water pipe and is sunk with the prefabricated of top
Water pipe bottom connection in well module, the junction of two water pipes are located at the sky that the oriented tube top and bottom at place each other are formed
In gap, the water pipe of top is connected with water knife pump.
Construct on soft soil circular open caisson, since soft soil sand content is big, easy slump are needed now, it is difficult to
The foundation pit of pit shaft shape is directly dug out, bigger open caisson is made to be difficult to be placed in construction location, and when due to constructing in yielding ground
Open caisson is easy to happen inclination, once open caisson run-off the straight, subsequent construction will be very troublesome, time-consuming and laborious.
Utility model content
The purpose of the utility model is to provide a kind of underground open caissons, reduce the pressure for the open caisson that yielding ground is disposably born
Power, can monitor open caisson in real time has nonangular trend, conveniently makes corresponding adjustment.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of underground open caisson, including pit shaft, pit shaft include bottom end basic cylinder and it is multiple be connected to it is more at the top of basic cylinder
Save cylinder, be fixedly connected with steel mesh in more piece cylinder, steel mesh includes cross reinforcement and vertical steel bar, all vertical steel bars be fixedly connected in
On cross reinforcement, vertical steel bar stretches out setting at the top of more piece cylinder；It is corresponded in more piece cylinder bottom and offers holding tank at vertical steel bar position, erected
Reinforcing bar can extend into receiving wiping, multiple U-shaped snapping framves is equipped on the more piece cylinder at top, snapping frame is formed with snapping
The more piece cylinder of slot, top is plugged in snap groove, is located at more piece cylinder interior location in snapping frame and is fixedly connected with pressure sensing
Device, pressure sensor are connected to more piece medial wall of the tube, and snapping frame, which is located at more piece cylinder external position, to be placed on ground, pressure sensing
Pressure value of the device real-time detection more piece medial wall of the tube to snapping frame.
By using above scheme, under construction ground on yielding ground when open caisson, the round pool of a positioning is first dug, then
It is that, to cutting the earth in basic cylinder, basic cylinder gradually sinks by basic cylinder insertion round pool, then more piece cylinder is placed on basic cylinder,
It is positioned, snapping frame is plugged on the more piece cylinder at top by vertical steel bar and holding tank cooperation, staff's real time monitoring
The pressure value of pressure sensor passed back, when pressure value increases suddenly, that is, can determine whether the oriented direction of open caisson it is inclined become
Gesture judges the direction that inclination of open caisson trend rushes at according to the position of the pressure sensor for the problem that detects, corresponding to carry out
Adjustment, prevents open caisson run-off the straight.
Preferably, pressure sensor is connected with control circuit, control circuit includes pressure detecting module, the pressure detecting
Module receives the pressure value signal of pressure sensor output and output；Compare control module, the relatively control module connection pressure
Power detection module and the pressure value signal for receiving the output of pressure detecting module, compare control module for pressure value signal and 0 value
It is compared, when pressure value signal is greater than 0 value, compares control module output high level signal；Sound and light alarm module, the report
Alert module includes the alarm lamp and buzzer being fixedly connected on snapping frame, sound and light alarm module connection compare control module and
In response to comparing the high level signal of control module output, alarm lamp is controlled after sound and light alarm module receives high level signal
The beginning must be established by cable with buzzer to sound an alarm.
By using above scheme, when pressure sensor detects pressure, control circuit controls corresponding buzzer and report
Warning lamp sounds an alarm, and staff is reminded to take countermeasure.
Preferably, being equipped with sleeve in holding tank, vertical steel bar can be inserted in sleeve.
By using above scheme, sleeve first can be positioned vertical steel bar before two more piece cylinders mutually abut,
Facilitate staff that vertical steel bar is inserted into holding tank.
Preferably, being fixedly connected with slip ring outside sleeve, slip ring is slidably connected in holding tank, is accommodating trench bottom
It is fixedly connected with baffle ring, sleeve is slidably connected in baffle ring, and sleeve can slide along holding tank length direction；Baffle ring and slip ring
It can mutually abut, when slip ring is connected on baffle ring, sleeve stretches out holding tank.
By using above scheme, when slinging more piece cylinder, sleeve can skid off holding tank a part, facilitate work people
Vertical steel bar is inserted in sleeve by member.
Preferably, offering inclined-plane on sleeve bottom inner sidewall, the top radius on inclined-plane is less than bottom radius.
By using above scheme, inclined-plane is more convenient in reinforcing bar insertion sleeve.
Preferably, offering lower annular groove in the bottom of more piece cylinder, upper ring is offered at the top of more piece cylinder and basic cylinder
It is arranged with snap ring jointly on shape slot, adjacent upper annular groove and lower annular groove.
By using above scheme, snap ring strengthens the connection relationship between two adjacent more piece cylinders, and increases phase
Leakproofness between adjacent more piece cylinder.
Preferably, all snapping framves are fixedly connected with connection ring jointly.
By using above scheme, all snapping framves are connected together by connection ring, facilitate the mobile snapping of staff
Frame.
Preferably, being fixedly connected in each more piece cylinder there are three hanging ring, three hanging rings are located in same level, and
Three hanging rings are arranged along more piece medial wall of the tube circumference array.
By using above scheme, hanging ring facilitates staff to lift by crane more piece cylinder, and three hanging rings can be such that staff rises
It is more stable to hang more piece cylinder.
In conclusion the utility model has the following beneficial effects:
1. under construction ground on yielding ground when open caisson 0, first digging the round pool of a positioning, being then inserted into basic cylinder
Round pool is that, to cutting the earth in basic cylinder, basic cylinder gradually sinks, and then more piece cylinder is placed on basic cylinder, by vertical steel bar with
Holding tank cooperation is positioned, and snapping frame is plugged on the more piece cylinder at top, and staff monitors pressure sensor in real time
The pressure value passed back can determine whether the oriented inclined trend in a direction of open caisson when pressure value increases suddenly, according to detecting
The position of the pressure sensor of problem judges that the direction that inclination of open caisson trend rushes at prevents open caisson to carry out corresponding adjustment
Run-off the straight；
2. control circuit controls corresponding buzzer and alarm lamp sounds an alarm when pressure sensor detects pressure, mention
Awake staff takes countermeasure；
3. sleeve can skid off holding tank a part when slinging more piece cylinder, staff is facilitated to plug vertical steel bar
In in sleeve.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the explosive view of prominent steel mesh in embodiment；
Fig. 3 is the cross-sectional view of prominent hanging ring in embodiment；
Fig. 4 is the cross-sectional view of prominent snapping frame structure in embodiment；
Fig. 5 is the schematic diagram of prominent open caisson construction state in embodiment；
Fig. 6 is the enlarged drawing of part A in Fig. 5；
Fig. 7 is the circuit diagram of prominent control circuit in embodiment.
In figure, 1, pit shaft；11, basic cylinder；111, blade foot；12, more piece cylinder；121, hanging ring；122, holding tank；1221, it keeps off
Ring；123, sleeve；1231, slip ring；1232, inclined-plane；124, upper annular groove；125, lower annular groove；126, snap ring；13, reinforcing bar
Net；131, cross reinforcement；132, vertical steel bar；2, snapping frame；21, connection ring；22, snap groove；23, top plate；24, interior plate；241,
Pressure sensor；25, outer panel；251, pedestal；3, pressure detecting module；4, compare control module；5, sound and light alarm module；
VCC, power supply；T, comparator；Q, triode；R, resistance；HA, buzzer；LED, alarm lamp.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of underground open caisson, as shown in Figure 1, including pit shaft 1, pit shaft 1 includes the basic cylinder 11 positioned at bottom end,
Multiple more piece cylinders 12 are equipped on basic cylinder 11, the ending of more piece cylinder 12 is connected with each other.Under construction ground when open caisson, staff is first
The round pool of a positioning is dug, basic cylinder 11 insertion round pool is then made into basic cylinder 11 gradually then to cutting the earth in basic cylinder 11
Sink.After basic cylinder 11 is reduced to certain altitude, more piece cylinder 12 is connected to basic 11 top of cylinder, then proceedes to construct.Weight
Multiple above-mentioned steps, until well depth meets construction demand.
As shown in Fig. 2, being fixedly connected to steel mesh 13 in each more piece cylinder 12, steel mesh 13 includes cross reinforcement 131
With vertical steel bar 132, cross reinforcement 131 is horizontally disposed, and in a ring, all vertical steel bars 132 are fixedly connected in horizontal steel cross reinforcement 131
On muscle 131, vertical steel bar 132 is arranged perpendicular to cross reinforcement 131, and all vertical steel bars 132 are stretched out at the top of more piece cylinder 12 and are arranged.
As shown in figure 3, being fixedly connected to three hanging rings 121 in each more piece cylinder 12, three hanging rings 121 are located at same
On horizontal plane, and three hanging rings 121 are arranged along 12 inner sidewall circumference array of more piece cylinder, make the line between three hanging rings 121
Form equilateral triangle.When lifting more piece cylinder 12, lifting appliance can be used while slinging three hanging rings 121, guarantees lifting
The stability of more piece cylinder 12 in the process.
As shown in Figure 4 and Figure 5, multiple snapping framves 2 are equipped on the more piece cylinder 12 at top, each snapping frame 2 is U-shaped
Setting, each snapping frame 2 include the top plate 23 for being located at 12 top of more piece cylinder, are fixedly connected on top plate 23 in more piece cylinder 12
The interior plate 24 of portion one end and it is fixedly connected on top plate 23 close to the outer panel 25 of 12 outside one end of more piece cylinder, interior plate 24 and outer
Side plate 25 is extended downwardly by 23 both ends of top plate, and interior plate 24, top plate 23 and outer panel 25 are formed with snap groove 22, top it is more
Section cylinder 12 can be plugged in snap groove 22.Pressure is fixedly connected with close to the side of 12 inner sidewall of more piece cylinder in interior plate 24 to pass
Sensor 241, the pressure value of the inner sidewall of 241 real-time detection more piece cylinder 12 of pressure sensor to interior plate 24.In outer side plate 25
Bottom is fixedly connected with pedestal 251, and pedestal 251 is horizontally disposed, and when snapping frame 2 is buckled on more piece cylinder 12, pedestal 251 can
It is connected on ground.All snapping framves 2 are fixedly connected with connection ring 21 jointly, and all snapping framves 2 are connected to by connection ring 21
Together, facilitate the mobile snapping frame 2 of staff.
As shown in Figure 4 and Figure 6, lower annular groove 125 is offered in the bottom of each more piece cylinder 12, in each more piece cylinder 12
Upper annular groove 124 is offered with the top of basic cylinder 11, the cross-sectional area of upper annular groove 124 is equal to the cross of lower annular groove 125
Sectional area.It is arranged with snap ring 126, the upper annular of the covering of snap ring 126 jointly on adjacent upper annular groove 124 and lower annular groove 125
Slot 124 and lower annular groove 125.Snap ring 126 strengthens the connection relationship between two adjacent more piece cylinders 12, and increases adjacent
Leakproofness between more piece cylinder 12.The bottom of basic cylinder 11 is installed with blade foot 111, blade foot 111 make open caisson under the effect of gravity from
Dynamic sinking.
As shown in Figure 4 and Figure 6, it is corresponded in 12 bottom of more piece cylinder and offers holding tank at each 132 position of vertical steel bar
122, holding tank 122 is arranged along the length direction of vertical steel bar 132.Sleeve 123 is equipped in holding tank 122, sleeve 123 is along receiving
The length direction of slot 122 is arranged, and reinforcing bar can be plugged in sleeve 123.Slip ring 1231 is fixedly connected with outside sleeve 123,
Slip ring 1231 is slidably connected in holding tank 122, is corresponded in 122 bottom of holding tank and is fixedly connected at 1231 position of slip ring
Baffle ring 1221, sleeve 123 are slidably connected in baffle ring 1221, and sleeve 123 is enable to slide along 122 length direction of holding tank.Gear
Ring 1221 can be abutted mutually with slip ring 1231, and when slip ring 1231 is connected on baffle ring 1221, sleeve 123 can stretch out
Holding tank 122.Adjacent more piece cylinder 12 is inserted in sleeve 123 by vertical steel bar 132 to be attached, when more piece cylinder 12 is hung
When rising, sleeve 123 can skid off a part of holding tank 122, allow staff it can be seen that sleeve 123 and vertical steel bar 132 position
It sets, facilitates staff that vertical steel bar 132 is inserted in sleeve 123.
As shown in fig. 6, offering inclined-plane 1232 on 123 bottom inside wall of sleeve, the top radius on inclined-plane 1232 is less than
Bottom radius makes 123 bottom of sleeve form inversed taper platform shape, can play guiding role to vertical steel bar 132, facilitate vertical steel bar 132
It is inserted into sleeve 123.
As shown in figure 5 and figure 7, each pressure sensor 241 is respectively connected with control circuit, and control circuit includes pressure detecting
Module 3 compares control module 4 and sound and light alarm module 5.Pressure detecting module 3 includes being electrically connected to 241 one end of pressure sensor
Power supply VCC.Comparing control module 4 includes the comparator T for being electrically connected to 241 other end of pressure sensor, pressure sensor 241
It is electrically connected to the positive input of comparator T, preset value Vref is by presetting in the negative input input comparator T of comparator T
Value Vref is 0 value.Sound and light alarm module 5 includes the triode Q for being electrically connected to comparator T output end, the output end electricity of comparator T
It is connected to the base stage of triode Q, the collector of triode Q is electrically connected with resistance R, and the resistance R other end is electrically connected with power supply VCC,
The emitter of triode Q is electrically connected with buzzer HA, and the buzzer HA other end is electrically connected with alarm lamp LED, and alarm lamp LED is another
End ground connection.Buzzer HA and alarm lamp LED are fixedly connected on outer panel 25.When pressure sensor 241 detects more piece cylinder
12 inside side plates 24 apply output pressure value signal after pressure, and comparator T compares pressure value signal and preset value Vref
Compared with, when pressure value signal is greater than 0 value, comparator T exports high level signal, and the collector and emitter of triode Q is connected,
Buzzer HA and alarm lamp LED obtain it is electric sound an alarm, remind staff's pit shaft 1 have inclined trend, enable staff
It takes appropriate measures as early as possible.
Usage mode: when carrying out underground open caisson construction on soft soil, one first is excavated than shallower in target location
Circular pit, then basic cylinder 11 is placed in circular pit, starts to cut the earth to inside basic cylinder 11, basic cylinder 11 is constantly
Decline is arranged snap ring 126 after basic cylinder 11 drops to certain altitude on basic cylinder 11, more piece cylinder 12 is lifted, by basic cylinder
Vertical steel bar 132 on 11 is inserted in the sleeve 123 of more piece cylinder 12, and basic cylinder 11 is spliced with more piece cylinder 12.Then in more piece
12 top of cylinder is arranged snapping frame 2, continues to cut the earth in more piece cylinder 12, if more piece cylinder 12 has inclined trend, corresponding buzzer
HA and alarm lamp LED start to alarm, and the size for the pressure value that staff passes back according to pressure sensor 241 is come to more piece cylinder 12
It is modified, prevents 1 run-off the straight of pit shaft.After more piece cylinder 12 drops to certain altitude, snapping frame 2 is removed, in more piece cylinder
A more piece cylinder 12 is reconnected on 12, is then repeated the above steps, until pit shaft 1 drops to specified altitude assignment, completion is sunk over the ground
The construction of well.Due to the height and weight of entire work progress pit shaft 1 be with underground open caisson constantly declines and it is ever-increasing,
So still more difficult to cave in, guarantee integral construction is stablized even if construction soil is than relatively soft.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of underground open caisson, including pit shaft (1), it is characterised in that: pit shaft (1) include bottom end basic cylinder (11) and multiple companies
The more piece cylinder (12) being connected at the top of basic cylinder (11), more piece cylinder (12) is interior to be fixedly connected with steel mesh (13), steel mesh (13) packet
Include cross reinforcement (131) and vertical steel bar (132), all vertical steel bars (132) are fixedly connected on cross reinforcement (131), vertical steel bar
(132) setting at the top of more piece cylinder (12) is stretched out；It is corresponded in more piece cylinder (12) bottom and offers holding tank at vertical steel bar (132) position
(122), vertical steel bar (132) can extend into holding tank (122), and the more piece cylinder (12) at top is equipped with multiple U-shaped buckle above
It connects frame (2), snapping frame (2) is formed with snap groove (22), and the more piece cylinder (12) at top is plugged in snap groove (22), in snapping frame
(2) it is located at more piece cylinder (12) interior location and is fixedly connected with pressure sensor (241), pressure sensor (241) is connected to more
Cylinder (12) inner sidewall is saved, snapping frame (2), which is located at more piece cylinder (12) external position, to be placed on ground, and pressure sensor (241) is real
When detection more piece cylinder (12) inner sidewall to the pressure values of snapping frame (2).
2. underground open caisson according to claim 1, it is characterised in that: pressure sensor (241) is connected with control circuit, control
Circuit processed includes pressure detecting module (3), and the pressure detecting module (3) receives the pressure value of pressure sensor (241) output
Signal simultaneously exports；
Compare control module (4), described relatively control module (4) connect pressure detecting module (3) and receive pressure detecting mould
The pressure value signal of block (3) output, compares control module (4) and is compared pressure value signal with 0 value, when pressure value signal is big
When 0 value, compare control module (4) output high level signal；
Sound and light alarm module (5), the alarm module include alarm lamp (LED) and the buzzing being fixedly connected on snapping frame (2)
Control module (4) and the height electricity in response to comparing control module (4) output are compared in device (HA), sound and light alarm module (5) connection
Ordinary mail number, the beginning must be established by cable by controlling alarm lamp (LED) and buzzer (HA) after sound and light alarm module (5) receives high level signal
It sounds an alarm.
3. underground open caisson according to claim 1, it is characterised in that: be equipped with sleeve (123) in holding tank (122), erect
Reinforcing bar (132) can be inserted in sleeve (123).
4. underground open caisson according to claim 1, it is characterised in that: be fixedly connected with slip ring outside sleeve (123)
(1231), slip ring (1231) is slidably connected in holding tank (122), is fixedly connected with baffle ring in holding tank (122) bottom
(1221), sleeve (123) is slidably connected in baffle ring (1221), and sleeve (123) can be sliding along holding tank (122) length direction
It moves；Baffle ring (1221) can be abutted mutually with slip ring (1231), when slip ring (1231) is connected on baffle ring (1221), set
Cylinder (123) stretches out holding tank (122).
5. underground open caisson according to claim 4, it is characterised in that: offer inclined-plane on sleeve (123) bottom inside wall
(1232), the top radius of inclined-plane (1232) is less than bottom radius.
6. underground open caisson according to claim 1, it is characterised in that: offer lower annular groove in the bottom of more piece cylinder (12)
(125), offered upper annular groove (124) at the top of more piece cylinder (12) and basic cylinder (11), adjacent upper annular groove (124) and
It is arranged with snap ring (126) jointly on lower annular groove (125).
7. underground open caisson according to claim 1, it is characterised in that: all snapping framves (2) are fixedly connected with connection jointly
Ring (21).
8. underground open caisson according to claim 1, it is characterised in that: there are three being fixedly connected in each more piece cylinder (12)
Hanging ring (121), three hanging rings (121) are located in same level, and three hanging rings (121) are along more piece cylinder (12) inner sidewall circle
All array settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378234.XU CN208733657U (en) | 2018-08-24 | 2018-08-24 | Underground open caisson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378234.XU CN208733657U (en) | 2018-08-24 | 2018-08-24 | Underground open caisson |
Publications (1)
| Publication Number | Publication Date |
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| CN208733657U true CN208733657U (en) | 2019-04-12 |
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ID=66031109
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821378234.XU Active CN208733657U (en) | 2018-08-24 | 2018-08-24 | Underground open caisson |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685488A (en) * | 2019-09-23 | 2020-01-14 | 常州市飞黄钢杆有限公司 | Prefabricated communication base station iron tower and construction method thereof |
-
2018
- 2018-08-24 CN CN201821378234.XU patent/CN208733657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685488A (en) * | 2019-09-23 | 2020-01-14 | 常州市飞黄钢杆有限公司 | Prefabricated communication base station iron tower and construction method thereof |
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