CN214301759U - Anti-falling and early warning device for foundation pit steel pipe cross brace - Google Patents
Anti-falling and early warning device for foundation pit steel pipe cross brace Download PDFInfo
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- CN214301759U CN214301759U CN202022185083.XU CN202022185083U CN214301759U CN 214301759 U CN214301759 U CN 214301759U CN 202022185083 U CN202022185083 U CN 202022185083U CN 214301759 U CN214301759 U CN 214301759U
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Abstract
The utility model relates to a falling prevention and early warning device for a foundation pit steel pipe cross brace, which comprises a tension meter, two connecting end parts, a connecting chain, an end part chain, a first connecting plate, a second connecting plate, a tension display and an alarm device, wherein the two connecting end parts are respectively arranged at the two ends of the tension meter, any one connecting end part is connected with the connecting chain, the end part chain is sleeved on the other connecting end part, any one end part chain is fixedly connected with a steel support through the first connecting plate, and the other end part chain is fixedly connected with a foundation pit supporting pile through the second connecting plate, meanwhile, early warning can be provided for safe use of the foundation pit. The invention has good market application potential and is worthy of popularization and production.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a prevent falling and early warning device of foundation ditch steel pipe stull.
Background
Along with the continuous progress of city underground space development construction, construction such as city subway, utility tunnel, high-rise building basement all leaves the excavation of foundation ditch, in the engineering, for the safety of guarantee foundation ditch supporting construction, a common mode is just setting up more stull in the foundation ditch, and the steel pipe stull is a common support mode. However, the conventional foundation pit steel pipe wale is generally welded directly to the foundation pit support piles through the purlin. When the foundation pit is influenced by various conditions and is subjected to instability damage, the foundation pit fender post and the steel pipe cross brace generate tension, the steel pipe cross brace is mainly of a compression structure, the cross brace in the foundation pit is very easy to drop under the tension condition, the weight of the foundation pit steel pipe cross brace is large and generally can reach 2-3 t, and if the steel pipe cross brace drops suddenly, operators who injure the bottom of the foundation pit by a crashing object can be crashed, mechanical equipment is damaged, and huge life and property losses and adverse social influences are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent falling and early warning device for foundation ditch steel pipe stull has solved the technical problem among the prior art.
The utility model provides a scheme as follows of above-mentioned technical problem: including tensiometer, link tip, connection chain, tip chain, first connecting plate, second connecting plate, pulling force display, alarm device, link tip is two, and two link tips install respectively at the both ends of tensiometer, and arbitrary one link tip is connected with the connection chain, all cup joint the tip chain on connecting the chain end and another link tip, arbitrary one tip chain passes through first connecting plate and steel shotcrete fixed connection, and another tip chain passes through second connecting plate and foundation ditch fender pile fixed connection.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, an adjusting spring is installed at one end of the tension meter, and the adjusting spring is sleeved on one connecting end part far away from the steel support.
Furthermore, the tension display and the alarm device are both installed on one side of the tension meter, a power button is installed on the tension meter, and a data transmission interface is arranged at the top of the tension meter.
Further, alarm device includes audible alarm and flash of light alarm lamp, and audible alarm and flash of light alarm lamp are all installed on one side of tensiometer.
Further, the first connecting plate and the steel support are fixed through welding, and full welding is adopted in the welding process.
Furthermore, the second connecting plate is fixed on the foundation pit support pile through an end steel plate, an expansion bolt and a gasket.
Furthermore, a connecting hole is formed in one side of the second connecting plate, the expansion bolt is movably mounted in the connecting hole, a nut is sleeved on the expansion bolt in a threaded mode, and the gasket is located between the nut and the second connecting plate.
Further, foundation pit fender pile and steel shotcrete pass through the same I-steel of end steel sheet fixedly connected with, the bottom of steel shotcrete and one side fixed mounting of foundation pit fender pile have same angle steel, and the angle steel is located the bottom of I-steel.
The utility model has the advantages that: the utility model provides a prevent falling and early warning device for foundation ditch steel pipe stull has following advantage:
1. when the foundation pit is greatly displaced or damaged, the steel pipe cross brace does not fall off, so that the life safety of operators at the bottom of the foundation pit and the safety of mechanical equipment at the bottom of the foundation pit are effectively ensured;
2. the system can provide real-time safety early warning for the foundation pit, is beneficial to taking measures in time, evacuating personnel and evacuating mechanical equipment, and reduces loss to the maximum extent. A foundation pit reinforcing measure is adopted to prevent the foundation pit from developing towards the direction which is unfavorable to safety;
3. the anti-falling and early warning device can be completely removed after one project is finished, and can be recycled in another project, so that the use cost is greatly reduced, and the anti-falling and early warning device is convenient to install and remove.
The utility model discloses the steel pipe stull that the device can avoid foundation ditch displacement to transfinite or the unstability to arouse well breaks away from and produces and drops with foundation ditch fender pile, has effectively guaranteed foundation ditch bottom operation personnel's life safety and the safety of machinery and equipment, can provide the early warning for foundation ditch safe handling simultaneously. The invention has good market application potential and is worthy of popularization and production.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic view of the connection of the device with foundation pit support piles and cross braces;
FIG. 2 is a diagram of the fall arrest and warning device;
FIG. 3 is a schematic view of the tension meter and the adjustment spring;
FIG. 4 is a view showing the connection positions of the expansion bolts, the second connecting plate, the washers and the nuts with the foundation pit support piles;
FIG. 5 is a front view of the second connector plate;
fig. 6 is a front view of the first connecting plate.
In the drawings, the components represented by the respective reference numerals are listed below:
1-supporting piles of a foundation pit; 2-supporting steel; 3-I-steel; 4-a tension meter; 5-adjusting the spring; 6-connecting the ends; 7-connecting a chain; 8-end chain; 9-a first connection plate; 10-end steel plate; 11-expansion bolts; 12-a second connecting plate; 13-a gasket; 14 nut-; 15-angle steel; 16-a tension display; 17-power button; 18-a data transmission interface; 19-an alarm device; 20-connecting holes; 21-sounding alarm; 22-flashing alarm lamp.
Detailed Description
The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-6, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
Use a certain utility tunnel foundation ditch of south sand application as an example, come right the utility model discloses make further explanation, certain utility tunnel of south sand overall length 2.05km, wide 14 ~ 18m, steel pipe stull level is to interval 4m one, and 2 vertical direction are crossed, set up 1025 steel pipe stulls altogether.
As shown in figures 1-6, the utility model provides a foundation pit steel pipe cross brace anti-falling and early warning device, which comprises a tension meter 4, two connecting end parts 6, two connecting chain links 7, two end part chain links 8, a first connecting plate 9, a second connecting plate 12, a tension display 16 and a warning device 19, wherein the two connecting end parts 6 are respectively arranged at two ends of the tension meter 4, any one connecting end part 6 is connected with the connecting chain link 7, the end part chain link 8 is sleeved on the end of the connecting chain link 7 and the other connecting end part 6, any one end part chain link 8 is fixedly connected with a steel support 2 through the first connecting plate 9, the other end part chain link 8 is fixedly connected with a foundation pit supporting pile 1 through the second connecting plate 12, the tension of the connecting chain 7 can be monitored through the tension meter 4, and when the tension exceeds a set value, the alarm device gives an alarm.
Preferably, adjusting spring 5 is installed to the one end of tensiometer 4, and adjusting spring 5 cup joints on a tip 6 of keeping away from steel shotcrete 2, and adjusting spring can guarantee to be in taut state and can not become flexible and drop after this device installation, and adjusting spring's flexible length is 5 ~ 8 cm.
Preferably, the tension display 16 and the alarm device 19 are both installed on one side of the tension meter 4, the power button 17 is installed on the tension meter 4, the data transmission interface 18 is arranged at the top of the tension meter 4, the tension display 16 is used for displaying the tension value in real time, the weight of the cross brace is 2350 kg-3022 kg, the measuring range of the tension meter is larger than 1.5 times of the weight of the cross brace, the measuring range reaches 4355kg, and the cross brace weight display can be a tension meter or a digital display.
Preferably, alarm device 19 includes audible alarm 21 and flash alarm lamp 22, and audible alarm 21 and flash alarm lamp 22 are all installed on one side of tensiometer 4, and audible alarm 21 can send out alarm sound when the pulling force reaches the alarm value, and its sound should be greater than 60dB, flash alarm lamp 22 can flash the red light when the pulling force reaches the alarm value, the luminance of red light should reach and can be obviously seen under daytime illumination.
Preferably, the first connecting plate 9 and the steel support 2 are fixed by welding, and the welding adopts full welding.
Preferably, the second connecting plate 12 is fixed to the foundation pit support pile 1 through an end steel plate 10, an expansion bolt 11 and a washer 13.
Preferably, one side of the second connecting plate 12 is provided with a connecting hole 20, the expansion bolt 11 is movably mounted in the connecting hole 20, the expansion bolt 11 is sleeved with a nut 14 in a threaded manner, and the washer 13 is located between the nut 14 and the second connecting plate 12.
Preferably, the foundation pit support pile 1 and the steel support 2 are fixedly connected with the same I-shaped steel 3 through an end steel plate 10, the same angle steel 15 is fixedly installed at the bottom of the steel support 2 and one side of the foundation pit support pile 1, and the angle steel 15 is located at the bottom of the I-shaped steel 3.
The tensile force borne by the connecting lock chain and the end part lock chain is not less than 2 times of the self weight of the steel pipe cross brace, namely not less than 6044kg, and the angle between the connecting lock chain and the cross brace is preferably 45-60 degrees.
The utility model discloses a concrete theory of operation and application method do: when the foundation ditch takes place the unstability and destroys or great displacement, this device can hold the steel pipe stull, prevents that the stull from taking place to drop suddenly because of unstability or displacement when great at the foundation ditch, the effectual safety of guaranteeing foundation ditch bottom operation personnel and mechanical equipment. Meanwhile, the device also has the early warning function, when the displacement of the foundation pit is large, the tension of the tension meter can be increased when the steel pipe cross brace is separated from the supporting structure part of the foundation pit, an alarm value is set through calculation, and when the tension reaches the alarm value, an alarm signal is sent out, so that early warning information can be provided for the safety of the foundation pit, and time is strived for the timely evacuation of foundation pit operating personnel and machinery.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a foundation ditch steel pipe stull is prevented falling and early warning device, its characterized in that, includes tensiometer (4), link ends (6), connects chain (7), tip chain (8), first connecting plate (9), second connecting plate (12), pulling force display (16), alarm device (19), link ends (6) are two, and two link ends (6) are installed respectively at the both ends of tensiometer (4), and arbitrary link ends (6) are connected with connecting chain (7), all cup joint tip chain (8) on connecting chain (7) end and another link ends (6), arbitrary tip chain (8) are through first connecting plate (9) and steel shotcrete (2) fixed connection, and another tip chain (8) are through second connecting plate (12) and foundation ditch fender pile (1) fixed connection.
2. The anti-falling and early warning device for the steel pipe cross brace of the foundation pit as claimed in claim 1, wherein an adjusting spring (5) is installed at one end of the tension meter (4), and the adjusting spring (5) is sleeved on a connecting end part (6) far away from the steel support (2).
3. The anti-falling and early warning device for the steel pipe cross brace of the foundation pit as claimed in claim 1, wherein the tension display (16) and the warning device (19) are both installed on one side of the tension meter (4), a power button (17) is installed on the tension meter (4), and a data transmission interface (18) is arranged at the top of the tension meter (4).
4. The anti-falling and early warning device for the steel pipe cross brace of the foundation pit as claimed in claim 1, wherein the alarm device (19) comprises an audible alarm (21) and a flashing alarm lamp (22), and the audible alarm (21) and the flashing alarm lamp (22) are both arranged on one side of the tension meter (4).
5. The anti-falling and early warning device for the steel wale of the foundation pit as claimed in claim 1, wherein the first connecting plate (9) and the steel support (2) are fixed by welding, and the welding adopts full welding.
6. The anti-falling and early warning device for the steel pipe cross brace of the foundation pit as claimed in claim 1, wherein the second connecting plate (12) is fixed on the supporting pile (1) of the foundation pit through an end steel plate (10), an expansion bolt (11) and a washer (13).
7. The anti-falling and early warning device for the steel pipe cross brace of the foundation pit as claimed in claim 1, wherein one side of the second connecting plate (12) is provided with a connecting hole (20), the expansion bolt (11) is movably arranged in the connecting hole (20), the expansion bolt (11) is in threaded sleeve connection with a nut (14), and the gasket (13) is positioned between the nut (14) and the second connecting plate (12).
8. The anti-falling and early warning device for the foundation pit steel pipe cross brace is characterized in that the foundation pit support pile (1) and the steel support (2) are fixedly connected with the same I-shaped steel (3) through end steel plates (10), the bottom of the steel support (2) and one side of the foundation pit support pile (1) are fixedly provided with the same angle steel (15), and the angle steel (15) is located at the bottom of the I-shaped steel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022185083.XU CN214301759U (en) | 2020-09-29 | 2020-09-29 | Anti-falling and early warning device for foundation pit steel pipe cross brace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022185083.XU CN214301759U (en) | 2020-09-29 | 2020-09-29 | Anti-falling and early warning device for foundation pit steel pipe cross brace |
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| CN214301759U true CN214301759U (en) | 2021-09-28 |
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| CN202022185083.XU Active CN214301759U (en) | 2020-09-29 | 2020-09-29 | Anti-falling and early warning device for foundation pit steel pipe cross brace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211201A (en) * | 2020-09-29 | 2021-01-12 | 中铁第四勘察设计院集团有限公司 | Anti-falling and early warning device for foundation pit steel pipe cross brace |
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2020
- 2020-09-29 CN CN202022185083.XU patent/CN214301759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211201A (en) * | 2020-09-29 | 2021-01-12 | 中铁第四勘察设计院集团有限公司 | Anti-falling and early warning device for foundation pit steel pipe cross brace |
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