CN117664077A - Displacement monitoring and detecting device for foundation pit support - Google Patents
Displacement monitoring and detecting device for foundation pit support Download PDFInfo
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- CN117664077A CN117664077A CN202311692726.1A CN202311692726A CN117664077A CN 117664077 A CN117664077 A CN 117664077A CN 202311692726 A CN202311692726 A CN 202311692726A CN 117664077 A CN117664077 A CN 117664077A
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000002689 soil Substances 0.000 description 52
- 230000000694 effects Effects 0.000 description 5
- 238000013507 mapping Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 1
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Abstract
The invention relates to the technical field of foundation pit support, and provides a displacement monitoring and detecting device for foundation pit support, which comprises a base, a moving device, an adjusting device, a protecting device and an alarming device, wherein the moving device is arranged on the base; the utility model provides a movable device, including slider, screw rod, movable strip, detection piece, spacing dish, backplate and cardboard, slider sliding connection is at the inner wall of base, the screw rod rotates the inner wall of connection at the base, movable strip sliding connection is at the inner wall of slider, detection piece fixed connection is at the top of movable strip, spacing dish fixed connection is in the bottom of movable strip, has solved among the prior art when carrying out displacement detection to foundation pit support in the forest, and some foundation pit supports are located the side of earth pit, consequently need place detection device at the edge of earth pit, and detection device is mostly triangle bearing structure, leads to a support column can be in earth pit or edge, and then leads to the relatively poor problem of detection device stability.
Description
Technical Field
The invention relates to the technical field of foundation pit support, in particular to a displacement monitoring and detecting device for foundation pit support.
Background
Displacement monitoring and detecting devices are devices for measuring the displacement of structures or bodies, which monitor the position change of targets by means of different sensors and measuring techniques, in order to evaluate the stability and deformation of the structures in real time or periodically.
The utility model discloses an angular displacement adjusting device of surveying equipment, including the tripod, a plurality of rotary slots have been seted up to the tripod top fixedly connected with bottom plate, a plurality of rotary slot is seted up to the bottom plate lateral wall the rotary slot inner wall is provided with horizontal component, horizontal component is including rolling disc, first screw rod and dwang, and a plurality of the rolling disc rotates the inner wall that is connected with a plurality of rotary slots, a plurality of first screw rod threaded connection is in the inside of a plurality of rolling discs, and a plurality of dwang rotates the one end of connecting at a plurality of first screw rods, adjusts the horizontal position of placing the board through horizontal component in real time, solves ground unevenness and leads to surveying equipment horizontal position inaccuracy, improves surveying equipment's result of use effect, but this device is when carrying out displacement detection to the foundation ditch support in the forest, and some foundation ditch supports are located the side of soil pit, consequently need place detection device at the edge of soil pit, and detection device is mostly triangular support structure, leads to a support column can be in soil pit or edge, and then leads to detection device stability relatively poor.
Disclosure of Invention
The invention provides a displacement monitoring and detecting device for foundation pit supports, which solves the problems that in the prior art, when the foundation pit supports in a forest are subjected to displacement detection, some foundation pit supports are positioned on the side surface of a soil pit, so that the detecting device is required to be placed at the edge of the soil pit, most of detecting devices are of triangular supporting structures, one supporting column is in the soil pit or at the edge, and the stability of the detecting device is poor.
The technical scheme of the invention is as follows:
the displacement monitoring and detecting device for foundation pit support comprises a base, a moving device, an adjusting device, a protecting device and an alarming device; the moving device comprises a sliding block, a screw rod, a moving strip, a detecting block, a limiting disc, a supporting plate and a clamping plate, wherein the sliding block is connected to the inner wall of the base in a sliding mode, the screw rod is connected to the inner wall of the base in a rotating mode, the moving strip is connected to the inner wall of the sliding block in a sliding mode, the detecting block is fixedly connected to the top of the moving strip, the limiting disc is fixedly connected to the bottom of the moving strip, the clamping plate is fixedly connected to the bottom of the limiting disc, and the supporting plate is clamped to the surface of the clamping plate; the top and the bottom of the sliding block are respectively and fixedly connected with an upper guide post and a lower guide post, the inner wall of the bottom of the base is connected with a sliding plate in a sliding manner, and the bottom of the sliding plate is fixedly connected with a support column; the adjusting device is arranged at the bottom of the base, the protecting device is arranged on the inner wall of the bottom of the base, and the alarming device is arranged at the top of the sliding block; the surface of screw rod and the inner wall threaded connection of slider, the screw rod comprises threaded rod and worm, the surface of movable strip and the inner wall of last guide pillar and lower guide pillar contact each other, the top of limit dish and the bottom of lower guide pillar contact each other, the bottom of limit dish and the top of backplate contact each other, place the device at the pit edge and rotatory screw rod, the screw rod can drive the slider and move right on the base, make the slider drive go up guide pillar and lower guide pillar and remove to the pit in, ensure that pit displacement detection device is connected with the foundation ditch support of pit side, thereby can change the position of detection device junction, make the device all can effectual use in different environment, hoisting device's application scope, the limit dish can be through the cardboard joint advance in the backplate simultaneously, thereby can realize quick connect and dismantlement between testing arrangement and the foundation ditch support, when the soil around the foundation ditch support subsides, the backplate can move down and drive the limit dish, the movable strip can drive the movable strip and move down, the movable strip can drive the detection piece and can move down, the detection piece can be in last guide pillar and detect down, and detect and the compression part on the upper guide pillar and the guide pillar that can stretch out on the upper and lower guide pillar and the scale of the subsequent guide pillar is convenient.
Preferably, the adjusting device comprises a worm wheel, teeth and a connecting plate, wherein the worm wheel is rotationally connected to the inner wall of the base, the teeth are fixedly connected to the rear part of the sliding plate, and the connecting plate is fixedly connected to the bottom of the sliding plate; the adjusting device further comprises a fixing plate, a transmission rod, a supporting rod, a balancing weight, a mounting plate and a clamping rod, wherein the fixing plate is fixedly connected to the bottom of the connecting plate, the transmission rod is rotationally connected to the surface of the supporting column, the supporting rod is fixedly connected to the surface of the transmission rod, the balancing weight is slidingly connected to the surface of the supporting rod, the mounting plate is fixedly connected to one end, far away from the transmission rod, of the supporting rod, and the clamping rod is fixedly connected to the left side of the base; the inner wall of mounting panel and the surface mutual contact of draw-in bar, the surface of bracing piece and the inner wall mutual contact of fixed plate, the surface of worm wheel and the surface intermeshing of tooth, when the rotatory slider that drives of screw rod moved, the screw rod can drive one of them section worm rotation, the worm can drive the worm wheel rotation, the worm wheel can drive the tooth that meshes with it and remove, the tooth can drive the slide and remove, the slide can drive the support column and remove left, prevent that the support column from taking place to drop easily at the pit edge, the slide can drive the connecting plate and move left, and then remove most weight and the center of device left, prevent that the detection end from moving too much and then lead to the device to topple over in the pit, can promote the stability of device, can drive the transfer line and move left when the support column moves left, the bracing piece can drive the mounting panel and move left, the mounting panel can leave the draw-in bar, the mounting panel no longer supports the mounting panel this moment, consequently, the bracing piece can drive the bracing piece and act on the support column, simultaneously rotate and remove to the bottom wall inside the fixed plate, and the balancing weight on the bracing piece can also slide left on the bracing piece of slope, and then can move left weight, further the device is in the left side of preventing that the device from taking place, the device is in the left side.
Preferably, the protection device comprises a movable plate, a rotary plate, a baffle and a protection plate, wherein the movable plate is slidably connected to the inner wall at the bottom of the base, the rotary plate is rotationally connected to the inner wall at the left side of the movable plate through a torsion spring, the baffle is fixedly connected to the bottom of the base, and the protection plate is rotationally connected to the inner wall of the movable plate through the torsion spring; the bottom of movable plate and the surface mutual contact of baffle, the bottom of guard plate and the surface mutual contact of baffle, the surface of rotor plate and the surface mutual contact of removal back balancing weight, when the device is installed in the pit next door, the balancing weight can remove to the left side and promote the rotor plate left, after the balancing weight passes the rotor plate, the rotor plate can reset in the torsional spring effect, when soil takes place to collapse, the device can drop to the pit direction, the device can slope this moment, and the balancing weight can move right side direction again, the balancing weight can contact with the rotor plate, and promote the rotor plate and rotate right, but the rotor plate right side is spacing by the movable plate, therefore the rotor plate can keep on the right side of balancing weight, drive rotor plate and movable plate and remove together when making the balancing weight move, let the movable plate stretch out from the base, and support it when the base falls into the pit, prevent that base and detection device from bumping damage, can drive the guard plate and remove when the movable plate, the guard plate can cross the baffle, at this moment, the guard plate can not be spacing by the baffle again, the torsional spring can drive the guard plate to rotate, make the further device that opens carries out protection support, the ground protection when lifting device drops, protection area, protection effect is promoted.
Preferably, the alarm device comprises a turntable, a push rod, an inner cylinder, an outer cylinder and a pressure sensor, wherein the turntable is rotationally connected with the surface of the upper guide post, the push rod is fixedly connected with the top of the turntable, the inner cylinder is fixedly connected with the top of the turntable, the outer cylinder is in threaded connection with the surface of the inner cylinder, and the pressure sensor is fixedly connected with the top of the outer cylinder; the inner wall of urceolus and the surface sliding connection of going up the guide pillar, the bottom of urceolus and the top mutual contact of carousel, the bottom of carousel contacts with the top of slider and base respectively, when carrying out displacement detection, can drive the detection piece and move down and contact with the pressure sensor at urceolus top when foundation ditch support subsides too much, can send out the alarm when pressure sensor detects pressure, and remind staff here soil subsides too much, and the workman can be through promoting the push rod and drive the carousel rotation, the carousel can drive the inner tube and rotate, the inner tube can drive the urceolus through the screw thread and shift up or move down, and then adjust pressure sensor's position, and then can adjust the numerical value that soil subsides trigger alarm, and then can carry out actual regulation according to the soil texture of different soil, hoisting device's application scope.
The working principle and the beneficial effects of the invention are as follows:
1. according to the invention, through the cooperation operation among the base, the upper guide post, the sliding block, the screw rod, the moving strip, the detection block, the limiting plate, the supporting plate, the clamping plate, the lower guide post, the sliding plate and the supporting column, the device is placed at the edge of the pit and the screw rod is rotated, the screw rod drives the sliding block to move right on the base, so that the sliding block drives the upper guide post and the lower guide post to move into the pit, the pit displacement detection device is ensured to be connected with the foundation pit support on the side face of the pit, the position of the connection part of the detection device can be changed, the device can be effectively used in different environments, the application range of the device is improved, meanwhile, the limiting plate can be clamped into the supporting plate through the clamping plate, so that the rapid connection and the disassembly between the test device and the foundation pit support can be realized, when the soil around the foundation pit support is settled, the supporting plate can move downwards and drive the limiting plate to move downwards, the moving strip can drive the detection block to move downwards, the detection block can move downwards in the upper guide post and compress the spring, and the part of the detection block extending out of the upper guide post can move between scales on the upper guide post, so that subsequent settlement values of the foundation pit support is convenient to read.
2. According to the invention, through the cooperation operation among the worm wheel, the tooth, the connecting plate, the fixed plate, the transmission rod, the supporting rod, the balancing weight, the mounting plate and the clamping rod, when the screw rod rotates to drive the sliding block to move, the screw rod can drive one section of the worm rod to rotate, the worm rod can drive the worm wheel to rotate, the tooth meshed with the worm wheel can drive the tooth to move, the tooth can drive the sliding plate to move left, the supporting column is prevented from easily falling off at the edge of a soil pit, the sliding plate can drive the connecting plate to move left, most of the weight and the center of the device are further moved left, the detection end is prevented from moving too much to the right, the device is prevented from falling into the soil pit, the stability of the device can be improved, the transmission rod can drive the mounting plate to move left when the supporting column moves left, the clamping rod does not support the mounting plate any more, the supporting rod can drive the supporting rod to rotate, the supporting rod can drive the transmission rod to act on the supporting column, meanwhile, the supporting rod rotates and moves to the bottom wall inside the fixed plate, the balancing weight on the right side can slide left on the inclined supporting rod, and the left side can further move left, the weight can be prevented from falling left, and the device is prevented from falling left.
3. According to the invention, through the cooperation operation among the moving plate, the rotating plate, the baffle plate and the protection plate, when the device is arranged beside a soil pit, the balancing weight can move to the left side and push the rotating plate to move leftwards, when the balancing weight passes over the rotating plate, the rotating plate can reset under the action of the torsion spring, when soil collapses, the device can fall down towards the soil pit, the device can incline at the moment, the balancing weight can move rightwards again, the balancing weight can contact with the rotating plate and push the rotating plate to rotate rightwards, but the right side of the rotating plate is limited by the moving plate, so that the rotating plate can be blocked on the right side of the balancing weight, the balancing weight can drive the rotating plate and the moving plate to move together when moving rightwards, the moving plate extends out of the base and supports and protects the base and the detection device when the base falls into the soil pit, the base and the protection plate can be prevented from being damaged by collision, and meanwhile, the protection plate can be driven to move beyond the baffle plate, and the torsion spring can drive the protection plate to rotate, so that the opened device can be further protected and supported, and the ground protection area when the device falls is lifted, and the protection effect is improved.
4. According to the invention, through the cooperation operation among the turntable, the push rod, the inner cylinder, the outer cylinder and the pressure sensor, when displacement detection is carried out, the foundation pit support can drive the detection block to move downwards and contact with the pressure sensor at the top of the outer cylinder when excessive settlement is carried out, when the pressure sensor detects the pressure, an alarm can be given out, workers can remind the workers of excessive settlement of soil at the position, moreover, the workers can push the push rod and drive the turntable to rotate, the turntable can drive the inner cylinder to rotate, the inner cylinder can drive the outer cylinder to move upwards or downwards through threads, the position of the pressure sensor is further adjusted, the value of triggering an alarm by soil settlement can be further adjusted, actual adjustment can be carried out according to the soil properties of different soils, and the application range of the device is promoted.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a semi-sectional view of a base structure of the present invention;
FIG. 3 is a semi-sectional view of the upper guide post structure of the present invention;
FIG. 4 is a schematic diagram of a card structure according to the present invention;
FIG. 5 is a schematic view of a worm gear structure according to the present invention;
FIG. 6 is a schematic view of a structure of a fixing plate according to the present invention;
FIG. 7 is a semi-sectional view of a mobile plate structure of the present invention;
FIG. 8 is a schematic view of the inner barrel structure of the present invention;
FIG. 9 is a schematic structural view of an angular displacement adjustment device of a surveying and mapping apparatus according to the prior art;
in fig. 1-8: 1. a base; 2. an upper guide post; 21. a slide block; 22. a screw; 23. moving the bar; 24. a detection block; 25. a limiting disc; 26. a support plate; 27. a clamping plate; 3. a lower guide post; 4. a slide plate; 41. a support column; 5. an adjusting device; 51. a worm wheel; 52. teeth; 53. a connecting plate; 531. a fixing plate; 532. a transmission rod; 533. a support rod; 534. balancing weight; 535. a mounting plate; 536. a clamping rod; 6. a protective device; 61. a moving plate; 62. a rotating plate; 621. a baffle; 622. a protection plate; 7. an alarm device; 71. a turntable; 72. a push rod; 73. an inner cylinder; 74. an outer cylinder; 75. a pressure sensor.
In fig. 9: 1. a tripod; 2. a bottom plate; 3. a rotating groove; 4. a rotating disc; 5. a first screw; 9. placing a plate; 10. a chute; 11. a slider; 12. a fixing member; 14. a second screw; 15. the head is fixed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 6, the present embodiment provides a displacement monitoring and detecting device for supporting a foundation pit, which comprises a base 1, a moving device, an adjusting device 5, a protecting device 6 and an alarm device 7; the moving device comprises a sliding block 21, a screw rod 22, a moving strip 23, a detecting block 24, a limiting disc 25, a supporting plate 26 and a clamping plate 27, wherein the sliding block 21 is in sliding connection with the inner wall of the base 1, the screw rod 22 is in rotating connection with the inner wall of the base 1, the moving strip 23 is in sliding connection with the inner wall of the sliding block 21, the detecting block 24 is fixedly connected to the top of the moving strip 23, the limiting disc 25 is fixedly connected to the bottom of the moving strip 23, the clamping plate 27 is fixedly connected to the bottom of the limiting disc 25, the supporting plate 26 is clamped on the surface of the clamping plate 27, the device is placed at the edge of a soil pit and rotates the screw rod 22, the screw rod 22 can drive the sliding block 21 to move right on the base 1, so that the sliding block 21 drives an upper guide pillar 2 and a lower guide pillar 3 to move into the soil pit, the soil pit displacement detecting device is connected with a foundation pit support on the side of the soil pit, and the position of the connecting part of the detecting device can be changed, the device can be effectively used in different environments, and the application range of the device is improved; the top and the bottom of the sliding block 21 are respectively fixedly connected with an upper guide post 2 and a lower guide post 3, the inner wall of the bottom of the base 1 is slidably connected with a sliding plate 4, and the bottom of the sliding plate 4 is fixedly connected with a supporting column 41; the adjusting device 5 is arranged at the bottom of the base 1, the protecting device 6 is arranged on the inner wall of the bottom of the base 1, and the alarming device 7 is arranged at the top of the sliding block 21; the surface of the screw 22 is in threaded connection with the inner wall of the sliding block 21, the screw 22 is composed of a threaded rod and a worm, the surface of the moving bar 23 is in contact with the inner walls of the upper guide post 2 and the lower guide post 3, the top of the limiting disc 25 is in contact with the bottom of the lower guide post 3, the bottom of the limiting disc 25 is in contact with the top of the supporting plate 26, the limiting disc 25 is clamped into the supporting plate 26 through the clamping plate 27, so that quick connection and disassembly between the testing device and the foundation pit support can be realized, when the soil around the foundation pit support is settled, the supporting plate 26 moves downwards and drives the limiting disc 25 to move downwards, the limiting disc 25 drives the moving bar 23 to move downwards, the moving bar 23 drives the detecting block 24 to move downwards, the detecting block 24 moves downwards in the upper guide post 2 and compresses a spring, and the part of the detecting block 24 extending out of the upper guide post 2 moves between scales on the upper guide post 2, so that the subsequent workers can read the settlement value of the foundation pit support conveniently.
The adjusting device 5 comprises a worm wheel 51, teeth 52 and a connecting plate 53, wherein the worm wheel 51 is rotationally connected to the inner wall of the base 1, the teeth 52 are fixedly connected to the rear part of the sliding plate 4, the connecting plate 53 is fixedly connected to the bottom of the sliding plate 4, when the screw 22 rotates to drive the sliding block 21 to move, the screw 22 drives one section of worm to rotate, the worm can drive the worm wheel 51 to rotate, the worm wheel 51 can drive the teeth 52 meshed with the worm wheel 51 to move, the teeth 52 can drive the sliding plate 4 to move, the sliding plate 4 can drive the supporting column 41 to move leftwards, the supporting column 41 is prevented from falling easily at the edge of a soil pit, meanwhile, the sliding plate 4 can drive the connecting plate 53 to move leftwards, and most of weight and center of the device are prevented from moving rightwards too much to cause the device to topple over towards the soil pit, and stability of the device can be improved; the adjusting device 5 further comprises a fixing plate 531, a transmission rod 532, a supporting rod 533, a balancing weight 534, a mounting plate 535 and a clamping rod 536, wherein the fixing plate 531 is fixedly connected to the bottom of the connecting plate 53, the transmission rod 532 is rotatably connected to the surface of the supporting column 41, the supporting rod 533 is fixedly connected to the surface of the transmission rod 532, the balancing weight 534 is slidably connected to the surface of the supporting rod 533, the mounting plate 535 is fixedly connected to one end of the supporting rod 533 far away from the transmission rod 532, and the clamping rod 536 is fixedly connected to the left side of the base 1; the inner wall of mounting panel 535 and the surface of kelly 536 contact each other, the surface of bracing piece 533 and the inner wall of fixed plate 531 contact each other, the surface of worm wheel 51 and the surface intermeshing of tooth 52, can drive transfer line 532 and move left when support column 41 moves left, transfer line 532 can the bracing piece 533 move left, the bracing piece 533 can drive mounting panel 535 and move left, mounting panel 535 can leave kelly 536, kelly 536 no longer supports mounting panel 535 this moment, consequently, the balancing weight 534 can press the bracing piece 533 rotatory, the bracing piece 533 can drive transfer line 532 and act on support column 41, the bracing piece 533 rotatory and move to the diapire of fixed plate 531 inside simultaneously, and the balancing weight 534 on the right side also can slide left on the bracing piece 533 of slope, and then can further move left with weight, ensure that the center of device is in the left side, prevent that the device from taking place to empty.
In this embodiment, place the device at soil pit edge and rotatory screw rod 22, screw rod 22 can drive slider 21 and move to the right on base 1, make slider 21 drive and go up guide pillar 2 and lower guide pillar 3 and move to the soil pit in, ensure that soil pit displacement detection device is connected with the foundation ditch support of soil pit side, thereby can change the position of detection device junction, make the device can both effectual use in different environment, hoisting device's application scope, simultaneously limit plate 25 can be through cardboard 27 joint into support plate 26, thereby can realize quick connect and dismantle between testing arrangement and the foundation ditch support, when the soil around the foundation ditch support takes place to subside, support plate 26 can move and drive limit plate 25 and move down, limit plate 25 can drive movable bar 23 and move down, movable bar 23 can drive detection piece 24 and move down, detection piece 24 can move down and compress the spring in last guide pillar 2, and the part that detection piece 24 stretches out of upper guide pillar 2 can move between the scale on last guide pillar 2, and then the subside numerical value of convenient follow-up readout workman foundation ditch support.
When the screw 22 rotates to drive the sliding block 21 to move, the screw 22 can drive one section of worm to rotate, the worm can drive the worm wheel 51 to rotate, the worm wheel 51 can drive the teeth 52 meshed with the worm wheel 51 to move, the teeth 52 can drive the sliding plate 4 to move, the sliding plate 4 can drive the supporting column 41 to move leftwards to prevent the supporting column 41 from easily falling off at the edge of a soil pit, meanwhile, the sliding plate 4 can drive the connecting plate 53 to move leftwards to further move most of the weight and the center of the device leftwards to prevent the detection end from moving rightwards too much to cause the device to topple over in the soil pit, so that the stability of the device can be improved, when the support column 41 moves left, the transmission rod 532 is driven to move left, the transmission rod 532 moves left through the support rod 533, the support rod 533 drives the mounting plate 535 to move left, the mounting plate 535 is separated from the clamping rod 536, the clamping rod 536 does not support the mounting plate 535 any more, the balancing weight 534 can press the support rod 533 to rotate, the support rod 533 drives the transmission rod 532 to act on the support column 41, meanwhile, the support rod 533 rotates and moves to the bottom wall inside the fixing plate 531, the balancing weight 534 on the right side also slides left on the inclined support rod 533, the weight can be further moved left, the center of the device is ensured to be positioned on the left, and the device is prevented from toppling.
Example 2
As shown in fig. 7 to 8, based on the same concept as that of the above embodiment 1, the present embodiment further proposes a displacement monitoring and detecting device for supporting foundation pit, wherein the protecting device 6 includes a moving plate 61, a rotating plate 62, a baffle 621 and a protecting plate 622, the moving plate 61 is slidably connected to the inner wall of the bottom of the base 1, the rotating plate 62 is rotatably connected to the inner wall of the left side of the moving plate 61 through a torsion spring, the baffle 621 is fixedly connected to the bottom of the base 1, the protecting plate 622 is rotatably connected to the inner wall of the moving plate 61 through a torsion spring, when the device is installed beside a pit, the balancing weight 534 moves to the left side and pushes the rotating plate 62 to the left, after the balancing weight 534 passes over the rotating plate 62, the rotating plate 62 is reset under the action of the torsion spring, when the soil collapses, the device falls down in the pit direction, the device tilts at this time, and the balancing weight 534 moves to the right side again, the balancing weight 534 contacts the rotating plate 62 and pushes the rotating plate 62 to rotate to the right, but the right side of the moving plate 62 is limited by the moving plate 61, therefore the rotating plate 62 is blocked on the right side of the balancing weight 534, when the balancing weight 534 moves to the right side, and the rotating plate 62 moves together with the moving plate 61, and the moving plate 61, when the device is pushed out of the base 1, and the base 1 is prevented from being damaged, and the protection device is protected from falling into the pit 1; the bottom of movable plate 61 and the surface mutual contact of baffle 621, the bottom of guard plate 622 and the surface mutual contact of baffle 621, the surface of rotor plate 62 and the surface mutual contact of remove back balancing weight 534, can drive guard plate 622 and remove when movable plate 61 removes, guard plate 622 can cross baffle 621, guard plate 622 no longer is spacing by baffle 621 this moment, the torsional spring can drive guard plate 622 rotation for open guard plate 622 further protects the support to the device, the ground connection guard area when hoisting device drops promotes the protection effect.
The alarm device 7 comprises a rotary table 71, a push rod 72, an inner cylinder 73, an outer cylinder 74 and a pressure sensor 75, wherein the rotary table 71 is rotationally connected to the surface of the upper guide post 2, the push rod 72 is fixedly connected to the top of the rotary table 71, the inner cylinder 73 is fixedly connected to the top of the rotary table 71, the outer cylinder 74 is in threaded connection to the surface of the inner cylinder 73, the pressure sensor 75 is fixedly connected to the top of the outer cylinder 74, when displacement detection is carried out, the foundation pit support is excessively settled, the detection block 24 is driven to move downwards and be in contact with the pressure sensor 75 at the top of the outer cylinder 74, and an alarm is given when the pressure sensor 75 detects the pressure, and staff is reminded of excessively settled soil; the inner wall of urceolus 74 and the surface sliding connection of upper guide pillar 2, the bottom of urceolus 74 and the top of carousel 71 contact each other, the bottom of carousel 71 contacts each other with the top of slider 21 and base 1 respectively, the workman can be through pushing push rod 72 and driving the carousel 71 rotatory, carousel 71 can drive inner tube 73 rotatory, inner tube 73 can drive urceolus 74 through the screw thread and shift up or move down, and then the position of adjustment pressure sensor 75, and then can adjust the soil subsidence and trigger the numerical value of alarm, and then can carry out actual regulation according to the soil texture of different soils, hoisting device's application scope.
In this embodiment, the balancing weight 534 will move to the left side and push the rotating plate 62 to the left, after the balancing weight 534 passes over the rotating plate 62, the rotating plate 62 will reset under the action of the torsion spring, when the soil collapses, the device will drop towards the soil pit, the device will incline at this time, and the balancing weight 534 will move to the right side again, the balancing weight 534 will contact with the rotating plate 62 and push the rotating plate 62 to rotate to the right, but the right side of the rotating plate 62 is limited by the moving plate 61, therefore the rotating plate 62 will block the right side of the balancing weight 534, the balancing weight 534 will drive the rotating plate 62 and the moving plate 61 to move together when moving to the right, let the moving plate 61 stretch out from the base 1, and support and protect the base 1 and its detection device when the base 1 falls into the soil pit, prevent the base 1 and its detection device from collision damage, and meanwhile the moving plate 61 will drive the guard plate 622 to move when the guard plate 621, the guard plate 622 will pass over the guard 621, the guard plate 622 will not be limited by the guard 621, the torsion spring will drive the guard plate 622 to rotate, and the guard plate 62 will further carry the guard plate, and the guard plate when the device is lifted.
When displacement detection is carried out, the foundation pit support can drive the detection block 24 to move downwards and contact with the pressure sensor 75 at the top of the outer cylinder 74 when excessive settlement is carried out, an alarm can be sent out when the pressure sensor 75 detects the pressure, staff is reminded that the soil at the position is excessive to be settled, moreover, workers can push the push rod 72 and drive the rotary table 71 to rotate, the rotary table 71 can drive the inner cylinder 73 to rotate, the inner cylinder 73 can drive the outer cylinder 74 to move upwards or downwards through threads, the position of the pressure sensor 75 is adjusted, the numerical value of the soil settlement triggering alarm can be adjusted, actual adjustment can be carried out according to the soil quality of different soils, and the application range of the device is improved.
As shown in FIG. 9, this angular displacement adjusting device of surveying and mapping equipment passes through fixed subassembly, can drive the mounting through the slider and carry out circular motion placing the board lateral wall, and then the fixed angle of control mounting when fixing subsequently, then rotate the second screw rod and carry out to the internal screw thread removal, the second screw rod removes and promotes the fixed head and remove, fix surveying and mapping equipment through the fixed head centre gripping of four different directions, utilize fixed subassembly to realize fixing the surveying and mapping equipment of different models, and then the application range of device has been increased, but this device is when carrying out displacement detection to foundation pit support in the forest, some foundation pit supports are located the side of soil pit, consequently, need place detection device at the edge of soil pit, and detection device is mostly triangle bearing structure, lead to a support column can be in the soil pit or edge, and then lead to detection device stability relatively poor.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The displacement monitoring and detecting device for foundation pit support comprises a base (1) and is characterized by further comprising a moving device, an adjusting device (5), a protecting device (6) and an alarming device (7);
the mobile device comprises a sliding block (21), a screw rod (22), a moving strip (23), a detection block (24), a limiting disc (25), a support plate (26) and a clamping plate (27), wherein the sliding block (21) is connected to the inner wall of the base (1) in a sliding mode, the screw rod (22) is connected to the inner wall of the base (1) in a rotating mode, the moving strip (23) is connected to the inner wall of the sliding block (21) in a sliding mode, the detection block (24) is fixedly connected to the top of the moving strip (23), the limiting disc (25) is fixedly connected to the bottom of the moving strip (23), the clamping plate (27) is fixedly connected to the bottom of the limiting disc (25), and the support plate (26) is clamped on the surface of the clamping plate (27);
the top and the bottom of the sliding block (21) are respectively and fixedly connected with an upper guide post (2) and a lower guide post (3), the inner wall of the bottom of the base (1) is connected with a sliding plate (4) in a sliding manner, and the bottom of the sliding plate (4) is fixedly connected with a supporting column (41);
the adjusting device (5) is arranged at the bottom of the base (1), the protecting device (6) is arranged on the inner wall of the bottom of the base (1), and the alarming device (7) is arranged at the top of the sliding block (21).
2. The displacement monitoring and detecting device for foundation pit support according to claim 1, wherein the surface of the screw rod (22) is in threaded connection with the inner wall of the sliding block (21), the screw rod (22) consists of a threaded rod and a worm, the surface of the moving bar (23) is in contact with the inner walls of the upper guide post (2) and the lower guide post (3), the top of the limiting disc (25) is in contact with the bottom of the lower guide post (3), and the bottom of the limiting disc (25) is in contact with the top of the supporting plate (26).
3. The displacement monitoring and detecting device for foundation pit support according to claim 2, wherein the adjusting device (5) comprises a worm wheel (51), teeth (52) and a connecting plate (53), the worm wheel (51) is rotatably connected to the inner wall of the base (1), the teeth (52) are fixedly connected to the rear portion of the sliding plate (4), and the connecting plate (53) is fixedly connected to the bottom of the sliding plate (4).
4. A displacement monitoring and detecting device for foundation pit support according to claim 3, wherein the adjusting device (5) further comprises a fixing plate (531), a transmission rod (532), a support rod (533), a balancing weight (534), a mounting plate (535) and a clamping rod (536), wherein the fixing plate (531) is fixedly connected to the bottom of the connecting plate (53), the transmission rod (532) is rotatably connected to the surface of the support column (41), the support rod (533) is fixedly connected to the surface of the transmission rod (532), the balancing weight (534) is slidably connected to the surface of the support rod (533), the mounting plate (535) is fixedly connected to the end, away from the transmission rod (532), of the support rod (533), and the clamping rod (536) is fixedly connected to the left side of the base (1).
5. The displacement monitoring and detecting device for foundation pit support according to claim 4, wherein the inner wall of the mounting plate (535) is in contact with the surface of the clamping rod (536), the surface of the supporting rod (533) is in contact with the inner wall of the fixing plate (531), and the surface of the worm wheel (51) is in mesh with the surface of the tooth (52).
6. The displacement monitoring and detecting device for foundation pit support according to claim 5, wherein the protecting device (6) comprises a moving plate (61), a rotating plate (62), a baffle plate (621) and a protecting plate (622), the moving plate (61) is slidably connected to the inner wall at the bottom of the base (1), the rotating plate (62) is rotatably connected to the inner wall at the left side of the moving plate (61) through a torsion spring, the baffle plate (621) is fixedly connected to the bottom of the base (1), and the protecting plate (622) is rotatably connected to the inner wall of the moving plate (61) through a torsion spring.
7. The displacement monitoring and detecting device for foundation pit support according to claim 6, wherein the bottom of the moving plate (61) is in contact with the surface of the baffle plate (621), the bottom of the protecting plate (622) is in contact with the surface of the baffle plate (621), and the surface of the rotating plate (62) is in contact with the surface of the moving counterweight (534).
8. The displacement monitoring and detecting device for foundation pit support according to claim 7, wherein the alarming device (7) comprises a rotary table (71), a push rod (72), an inner cylinder (73), an outer cylinder (74) and a pressure sensor (75), the rotary table (71) is rotationally connected to the surface of the upper guide post (2), the push rod (72) is fixedly connected to the top of the rotary table (71), the inner cylinder (73) is fixedly connected to the top of the rotary table (71), the outer cylinder (74) is in threaded connection to the surface of the inner cylinder (73), and the pressure sensor (75) is fixedly connected to the top of the outer cylinder (74).
9. The displacement monitoring and detecting device for foundation pit support according to claim 8, wherein the inner wall of the outer cylinder (74) is slidably connected with the surface of the upper guide post (2), the bottom of the outer cylinder (74) is in contact with the top of the turntable (71), and the bottom of the turntable (71) is in contact with the top of the slider (21) and the top of the base (1), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311692726.1A CN117664077B (en) | 2023-12-11 | Displacement monitoring and detecting device for foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311692726.1A CN117664077B (en) | 2023-12-11 | Displacement monitoring and detecting device for foundation pit support |
Publications (2)
| Publication Number | Publication Date |
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| CN117664077A true CN117664077A (en) | 2024-03-08 |
| CN117664077B CN117664077B (en) | 2024-06-04 |
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