CN111123400B - Working platform for pile bottom karst cave detection - Google Patents
Working platform for pile bottom karst cave detection Download PDFInfo
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- CN111123400B CN111123400B CN201911398124.9A CN201911398124A CN111123400B CN 111123400 B CN111123400 B CN 111123400B CN 201911398124 A CN201911398124 A CN 201911398124A CN 111123400 B CN111123400 B CN 111123400B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The invention relates to a working platform for detecting a karst cave at the bottom of a pile, which comprises a supporting plate horizontally arranged above a pile hole, wherein four corners of the supporting plate are respectively provided with a limiting component, an inlet is formed in the middle of the supporting plate, a support is fixed on the upper surface of the supporting plate at a position close to the inlet, a horizontally arranged rotating shaft is rotatably connected onto the support, a rope winder, a hand wheel and a positioning disc are fixed on the outer side of the rotating shaft, a plurality of positioning holes are formed in a circumferential array at the edge position of the surface of the positioning disc, hooks matched with the positioning holes are arranged on the support, a traction rope is wound on the outer side of the rope winder, one end of the traction rope is fixed on the rope winder, the other end of the traction rope winder is connected with a protection component, and a probe is arranged at the bottom of the protection component. The invention has the effects of high safety factor and convenient operation.
Description
Technical Field
The invention relates to the technical field of pile bottom karst cave detection, in particular to a working platform for pile bottom karst cave detection.
Background
As China is mostly in karst landforms in Yunnan, Guizhou and the like, in order to avoid excessive settlement and even collapse of buildings due to the existence of underground karst caves, foundation piles need to be established to serve as foundation foundations when building construction is carried out in the areas. When foundation pile construction is carried out, most of pile holes are drilled in a rotating mode or in an impact mode at present, so that slurry is filled in the pile holes, workers cannot arrive at the bottom of a pile to detect the slurry in person, and therefore the bottom of the pile can be introduced into karst cave detection equipment. Stake end solution cavity detection equipment is typically sonar detection, through receiving the reflection echo and according to the condition of the bad geologic body of waveform analysis stake end, for example: cavern, erosion crack, weak interlayer, etc.
When the staff utilizes the bottom of the pile solution cavity detection equipment to survey the bottom of the pile among the prior art, need send into the position that is close to the bottom of the pile through the haulage rope with the probe, nevertheless because pile hole diameter is great, when the staff stands at pile hole top and operates, factor of safety is low and the operation is inconvenient, consequently needs a kind of bottom of the pile solution cavity to survey and uses work platform urgently.
Disclosure of Invention
The invention aims to provide a working platform for detecting a pile bottom karst cave, which has the effects of high safety coefficient and convenience in operation.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a work platform for solution cavity detection at bottom of stake, including the backup pad of level setting in stake hole top, the intermediate position that the four corners position of backup pad was provided with a spacing subassembly and backup pad respectively has seted up the inlet port, the upper surface of backup pad is fixed with the support in the position department of being close to the inlet port, the axis of rotation that the rotation was connected with the level setting on the support, the outside of axis of rotation is fixed with the serving ware, hand wheel and location disc, a plurality of locating holes have been seted up to the border position circumference array on location disc surface, be provided with on the support and get in touch with locating hole complex, the outside winding of serving ware has the haulage rope, the one end of haulage rope is fixed on the serving ware and the other end is connected with the protection component, the probe is installed to the bottom of protection component.
By adopting the technical scheme, when the pile bottom cave-dissolving detection is carried out, a worker firstly horizontally arranges the supporting plate above the pile hole and fixes the supporting plate through the limiting assemblies at the four corners, and then the worker can stand on the supporting plate to operate, so that the safety coefficient is improved; an inlet is formed in the middle of the support plate, the support is fixed on the upper surface of the support plate and close to the inlet, the rotating shaft is horizontally and rotatably connected to the support, a rope winder, a hand wheel and a positioning disc are fixed on the outer side of the rotating shaft, the traction rope is wound on the rope winder, one end of the traction rope is connected with a protection assembly, a probe is mounted at the bottom of the protection assembly, a worker rotates the hand wheel to put down the traction rope during detection, the hand wheel stops rotating until the probe falls into a preset position, the end of a hook is embedded into the positioning hole, the rope winder does not rotate any more at the moment, the position of the probe is fixed, a positioning hole circumferential array is arranged at the edge position of the surface of the positioning disc, and after the rotating disc rotates to a certain position, the hook can better find the nearest positioning hole to position the rotating disc, the positioning coefficient of safety is convenient to operate, and the working platform for detecting the karst cave has a height, The operation is convenient, the arrangement of the protection component can play a role in protecting the probe extending into the pile hole, so that the structure of the working platform for detecting the karst cave at the bottom of the pile is more reasonable.
The invention is further configured to: the four corners position of backup pad is vertical respectively to be seted up a spacing hole, every spacing subassembly all includes a vertical setting and wears to establish the dwang at spacing downthehole portion, the top and the bottom of dwang are the level respectively and are provided with nut and lower nut, the length of dwang and the unanimous lower surface of nut and the upper surface of lower nut of just going up of thickness of support plate are laminated with the upper surface and the lower surface of backup pad respectively, the lower fixed surface of lower nut has the lead screw of vertical setting and the axis coincidence of lead screw and dwang, the lower surface of backup pad is provided with the fixed block, the cavity has been seted up to the inside of fixed block, the bottom of fixed block is vertical to be seted up and is stretched out the hole and stretch out hole and cavity intercommunication, the nut setting stretches out the cavity outside through stretching out the hole at inside and the lead screw of cavity down, the lead screw stretches out the spacing sleeve of the vertical setting of partial threaded connection outside the cavity, the vertical lower surface of seting up and blocking groove and fixed block on spacing sleeve's outer wall at the position that corresponds with blocking the groove A vertically arranged stop block is fixed at the position.
By adopting the technical scheme, the rotating rod vertically penetrates through the limiting hole, the top and the bottom of the rotating rod are respectively provided with the upper nut and the lower nut, so that the rotating rod is rotatably supported in the limiting hole, a worker rotates the upper nut to drive the rotating rod and the screw rod to rotate, the part of the screw rod extending out of the cavity of the fixed block is in threaded connection with the limiting sleeve, and the lower surface of the fixed block is fixedly provided with the vertically arranged stop block at the position corresponding to the stop groove, so that when the screw rod rotates, the stop block and the stop groove can prevent the limiting sleeve from rotating along with the screw rod, the limiting sleeve can only move upwards or downwards, when the worker places the supporting plate above the pile hole, the adjusting sleeves in the four limiting assemblies are contacted with and embedded into the underground part, and at the moment, the worker can rotate the screw rod by rotating the upper nuts in the four limiting assemblies, thereby change lead screw and adjusting sleeve's overall length, and then can carry out the leveling to the backup pad, staff can carry out detection work on next step in the backup pad after the leveling, work platform for solution cavity detection at the bottom of the pile has the factor of safety height, convenient operation's effect, again because the length of rotor plate is unanimous with the thickness of support plate and the lower surface of last nut and the upper surface of lower nut laminate with the upper surface and the lower surface of backup pad respectively, thereby after the staff places the ground with the spacing sleeve among four spacing subassemblies, the dwang, the phenomenon of rocking from top to bottom can not appear in last nut and lower nut, and then make spacing subassembly's structure more reasonable.
The invention is further configured to: the bottom of the limiting sleeve is conical.
Through adopting above-mentioned technical scheme, because limit sleeve's bottom is the toper, when the staff placed the backup pad in the top in stake hole, the limit sleeve among four limit assembly can be embedded into the soil layer more easily and carry on spacingly to the backup pad to make limit assembly's structure more reasonable.
The invention is further configured to: the fixed block can be dismantled and connect the lower surface at the backup pad, goes up the nut, is to dismantle between nut and the dwang and is connected down.
Through adopting above-mentioned technical scheme, because the lower surface of fixed block and backup pad and go up the nut, be connected with dismantling between lower nut and the dwang to the staff is convenient more, swift when installing or dismantling spacing subassembly.
The invention is further configured to: the protection component comprises a connecting block which is horizontally arranged, four side walls in the vertical direction of the connecting block are respectively fixedly connected with a horizontal adjusting sleeve which is horizontally arranged and has the same size, and the inner part of each adjusting sleeve is in threaded connection with an adjusting screw rod which is horizontally arranged and has the same size.
By adopting the technical scheme, the connecting block is horizontally arranged, four side walls in the vertical direction are respectively and fixedly connected with a horizontal adjusting sleeve, the inside of each adjusting sleeve is in threaded connection with an adjusting screw rod, because the sizes of the four adjusting sleeves are consistent and the sizes of the four adjusting screw rods are consistent, a worker can change the overall length of the adjusting screw rods and the adjusting sleeves by rotating the adjusting screw rods, before the protection component and the probe are sent into the pile hole through the traction rope, the protection component and the probe are leveled by rotating the adjusting screw rod, after leveling, the traction rope is slowly rotated to put down the hand wheel, so that the protection component and the probe fall down, and in the falling process, because the size of the protection component is larger than that of the probe, the protection component can protect the probe, and the structure of the working platform for detecting the karst cave at the bottom of the pile is more reasonable.
The invention is further configured to: the inside of every accommodate the lead screw one end of keeping away from the connecting block is all leveled and has been seted up the spout, the inside sliding connection of spout has the sliding block, the terminal surface that the sliding block is in the part of spout is the conical surface, accommodate the lead screw has seted up the standing groove on the inner wall of spout, the standing groove just is to the conical surface of sliding block and cross the cross-section of axis for the T shape, the inside sliding connection of standing groove has the buffer block, the inside of standing groove is provided with the both ends butt respectively on the inner wall and the buffer block of standing groove of spring and spring, the buffer block stretches out the outside part of standing groove and supports on the conical surface of sliding block.
By adopting the technical scheme, the inner part of one end of the adjusting screw rod, which is far away from the connecting block, is provided with the sliding groove, the sliding block is connected inside the sliding groove in a sliding manner, the end surface of the part of the sliding block, which is positioned inside the sliding groove, is a conical surface, the placing groove is arranged on the inner wall of the sliding groove, the placing groove is just opposite to the conical surface of the sliding block, the section of the placing groove, which passes through the axis, is in a T shape, the part, which is connected inside the placing groove in a sliding manner and extends out of the placing groove, is abutted against the conical surface of the sliding block, the spring is arranged inside the placing groove, two ends of the spring are respectively abutted against the inner wall of the placing groove and the buffer block, when a worker rotates the hand wheel to put down the traction rope to enable the protection assembly and the probe to shake in the falling process, when the sliding block in the pile hole shakes deeply, the end, which extends out of the sliding groove, of the sliding block can slide to the inner part of the sliding groove and further extrude the buffer block to cause the spring to be compressed, therefore, the probe can be protected by the buffering effect, and the structure of the working platform for detecting the karst cave at the bottom of the pile is more reasonable.
The invention is further configured to: the one end that connecting block was kept away from to accommodate the lead screw can be dismantled and be connected with the flexible cover of rubber, and the flexible cover of rubber sets up in the outside that the accommodate the lead screw stretches out the part outside the spout, and the flexible cover of rubber just forms airtight space with the inside intercommunication of spout.
Through adopting above-mentioned technical scheme, the flexible cover of rubber can be dismantled and connect the one end of keeping away from the connecting block at accommodate the lead screw and set up the outside that stretches out the part outside the spout at accommodate the lead screw, the flexible cover of rubber and the inside intercommunication of spout and form airtight space, because at present most stake hole all adopts rotatory drilling or assault drilling, lead to all being mud in the stake hole, when the staff puts down the haulage rope through rotating the hand wheel and makes protection component and probe whereabouts, the flexible cover of rubber can prevent that mud from entering into inside the spout, after protection component and probe are carried after surveying, directly take the position alright sanitization that the water pipe washed the flexible cover of rubber, and the flexible cover of rubber also can play certain cushioning effect, thereby make the bottom of the pile cave survey with work platform's structure more reasonable.
The invention is further configured to: and the upper surface of the connecting block is provided with a leveling bubble.
Through adopting above-mentioned technical scheme, when the staff changes accommodate the lead screw and adjust the whole length of sleeve through rotating accommodate the lead screw, can judge whether the connecting block has already leveled through the leveling bubble, and then can make the better bottom of aiming at the stake hole of probe, the staff is more accurate to the judgement that bad geologic body condition was made when the wave form of analysis reflection echo.
The invention is further configured to: the hook is hinged on the support.
By adopting the technical scheme, the hook is hinged on the support, so that the worker can more conveniently hook or separate the hook from the positioning hole.
In conclusion, the beneficial technical effects of the invention are as follows:
1. when the pile bottom cave-dissolving detection is carried out, a worker firstly horizontally arranges the supporting plate above the pile hole and fixes the supporting plate through the limiting assemblies at the four corners, and then the worker can stand on the supporting plate to operate, so that the safety coefficient is improved; an inlet is formed in the middle of the support plate, the support is fixed on the upper surface of the support plate and close to the inlet, the rotating shaft is horizontally and rotatably connected to the support, a rope winder, a hand wheel and a positioning disc are fixed on the outer side of the rotating shaft, the traction rope is wound on the rope winder, one end of the traction rope is connected with a protection assembly, a probe is mounted at the bottom of the protection assembly, a worker rotates the hand wheel to put down the traction rope during detection, the hand wheel stops rotating until the probe falls into a preset position, the end of a hook is embedded into the positioning hole, the rope winder does not rotate any more at the moment, the position of the probe is fixed, a positioning hole circumferential array is arranged at the edge position of the surface of the positioning disc, and after the rotating disc rotates to a certain position, the hook can better find the nearest positioning hole to position the rotating disc, the positioning coefficient of safety is convenient to operate, and the working platform for detecting the karst cave has a height, The protection assembly has the advantages that the operation is convenient, the arrangement of the protection assembly can protect a probe extending into a pile hole, and therefore the structure of the working platform for detecting the karst cave at the bottom of the pile is more reasonable;
2. the rotating rod vertically penetrates through the limiting hole, the top and the bottom of the rotating rod are respectively provided with an upper nut and a lower nut, so that the rotating rod is rotatably supported in the limiting hole, a worker rotates the upper nut to drive the rotating rod and the screw rod to rotate, the part of the screw rod extending out of the cavity of the fixing block is in threaded connection with the limiting sleeve, and the lower surface of the fixing block is fixedly provided with a vertically arranged stop block at a position corresponding to the stop groove, so that when the screw rod rotates, the stop block and the stop groove can prevent the limiting sleeve from rotating along with the screw rod, the limiting sleeve can only move upwards or downwards, when the worker places the supporting plate above the pile hole, the adjusting sleeves in the four limiting assemblies are contacted and embedded into a part of the ground, at the moment, the worker can rotate the screw rod by rotating the upper nuts in the four limiting assemblies, so that the overall length of the screw rod and the adjusting sleeve is changed, the working platform for detecting the karst cave at the bottom of the pile has the effects of high safety coefficient and convenience in operation, and the length of the rotating rod is consistent with the thickness of the supporting plate, and the lower surface of the upper nut and the upper surface of the lower nut are respectively attached to the upper surface and the lower surface of the supporting plate, so that the rotating rod, the upper nut and the lower nut cannot shake up and down after the limiting sleeves in the four limiting assemblies are placed on the ground by a worker, and the structure of the limiting assemblies is more reasonable;
3. the inner part of one end of the adjusting screw rod, which is far away from the connecting block, is provided with a sliding groove, the sliding block is connected inside the sliding groove in a sliding manner, the end surface of the part of the sliding block, which is positioned inside the sliding groove, is a conical surface, the placing groove is arranged on the inner wall of the adjusting screw rod, the placing groove is over against the conical surface of the sliding block, the cross section of the placing groove, which passes through the axis, is T-shaped, the part of the buffering block, which is connected inside the placing groove in a sliding manner and extends out of the placing groove, is abutted against the conical surface of the sliding block, the spring is arranged inside the placing groove, two ends of the spring are respectively abutted against the inner wall of the placing groove and the buffering block, when the worker rotates the hand wheel to put down the traction rope to enable the protective assembly and the probe to fall, the swinging possibly occurs in the process, when the swinging occurs deeply inside the pile hole, one end of the sliding block, which extends out of the sliding block, is in the sliding groove, and the conical surface can extrude the buffering block to cause the spring to be compressed, therefore, the probe can be protected by the buffering effect, and the structure of the working platform for detecting the karst cave at the bottom of the pile is more reasonable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a spacing assembly;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 4 is a schematic view of the connection of the protective assembly and the probe;
FIG. 5 is a schematic cross-sectional view of the protective assembly;
fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.
In the figure, 1, a pile hole; 2. a support plate; 21. a limiting hole; 22. an inlet port; 3. a limiting component; 31. rotating the rod; 32. screwing a nut; 33. a lower nut; 34. a screw rod; 35. a fixed block; 351. a cavity; 352. an outlet hole; 353. a blocking block; 36. a limiting sleeve; 361. a blocking groove; 4. a support; 41. a rotating shaft; 42. a rope winder; 43. a hauling rope; 44. a hand wheel; 45. positioning the disc; 451. positioning holes; 46. hooking; 5. a protection component; 51. connecting blocks; 52. an adjustment sleeve; 53. adjusting the screw rod; 531. a chute; 532. a placement groove; 5321. a buffer block; 5322. a spring; 5323. a rubber telescopic sleeve; 54. a slider; 541. a conical surface; 6. a probe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the working platform for detecting the karst cave at the bottom of the pile disclosed by the invention comprises a supporting plate 2 horizontally arranged above a pile hole 1, and limiting assemblies 3 are respectively arranged at four corners of the supporting plate 2. The four corners position of backup pad 2 is vertical respectively to be seted up a spacing hole 21, and every spacing subassembly 3 all includes a vertical setting and wears to establish at the inside dwang 31 in spacing hole 21, and the top and the bottom of dwang 31 can be dismantled respectively and be connected with the last nut 32 and the lower nut 33 that the level set up. The length of the rotating rod 31 is consistent with the thickness of the support plate 2 and the lower surface of the upper nut 32 and the upper surface of the lower nut 33 are respectively attached to the upper surface and the lower surface of the support plate 2. A vertically arranged screw rod 34 is fixed on the lower surface of the lower nut 33, and the screw rod 34 coincides with the axis of the rotating rod 31. The lower surface of backup pad 2 can be dismantled and be connected with fixed block 35, and cavity 351 has been seted up to the inside of fixed block 35, and the bottom of fixed block 35 is vertical to be seted up and to be stretched out hole 352 and stretch out hole 352 and cavity 351 intercommunication. The lower nut 33 is arranged inside the cavity 351, the screw rod 34 extends out of the cavity 351 through the extending hole 352, a vertically arranged limiting sleeve 36 is connected to the part, extending out of the cavity 351, of the screw rod 34 in a threaded mode, and the bottom of the limiting sleeve 36 is conical. A blocking groove 361 is vertically formed in the outer wall of the limiting sleeve 36, and a vertically-arranged blocking block 353 is fixed to the lower surface of the fixing block 35 at a position corresponding to the blocking groove 361.
Referring to fig. 1, an inlet 22 is opened at a middle position of a support plate 2, a bracket 4 is fixed to an upper surface of the support plate 2 at a position close to the inlet 22, and a horizontally disposed rotating shaft 41 is rotatably connected to the bracket 4. A rope winder 42, a hand wheel 44 and a positioning disc 45 are fixed to the outer side of the rotating shaft 41, and the axes of the rope winder 42, the hand wheel 44, the positioning disc 45 and the rotating shaft 41 are overlapped. Referring to fig. 3, a plurality of positioning holes 451 are circumferentially arranged on the edge of the surface of the positioning disc 45, a hook 46 is hinged on the bracket 4 above the positioning disc 45, and the hook 46 is matched with the positioning holes 451. Referring to fig. 4, a pulling rope 43 is wound around the outer side of the rope winder 42, one end of the pulling rope 43 is fixed on the rope winder 42, and the other end is connected with the protection component 5.
Referring to fig. 4, 5 and 6, the protection assembly 5 includes a horizontally disposed connection block 51, the pulling rope 43 is detachably connected to an intermediate position of an upper surface of the connection block 51, a leveling bubble is mounted on the upper surface of the connection block 51, and the probe 6 is detachably connected to an intermediate position of a lower surface of the connection block 51. The four side walls of the connecting block 51 in the vertical direction are respectively and fixedly connected with a horizontally arranged and size-consistent adjusting sleeve 52, and the inside of each adjusting sleeve 52 is in threaded connection with an adjusting screw rod 53 which is horizontally arranged and size-consistent. The inner part of one end of each adjusting screw 53 far away from the connecting block 51 is horizontally provided with a sliding groove 531, the inner part of the sliding groove 531 is connected with a sliding block 54 in a sliding manner, and the end surface of the part of the sliding block 54 in the sliding groove 531 is a conical surface 541. Two placing grooves 532 are formed in the inner wall of the sliding groove 531 of the adjusting screw 53, and the two placing grooves 532 are opposite to the conical surface 541 of the sliding block 54 and have a T-shaped cross section passing through the axis. A buffer block 5321 is slidably connected inside each placing groove 532, a spring 5322 is arranged inside each placing groove 532, two ends of the spring 5322 abut against the inner wall of the placing groove 532 and the buffer block 5321, respectively, and the part of the buffer block 5321 extending out of the placing groove 532 abuts against the tapered surface 541 of the sliding block 54. One end of the adjusting screw 53, which is far away from the connecting block 51, is detachably connected with a rubber telescopic sleeve 5323, the rubber telescopic sleeve 5323 is arranged on the outer side of the part of the adjusting screw 53, which extends out of the chute 531, and the rubber telescopic sleeve 5323 is communicated with the inside of the chute 531 and forms a closed space.
The implementation principle of the embodiment is as follows: when the preparation work of carrying out the bottom of the pile cave to survey, at first place backup pad 2 in the top of stake hole 1 and the spacing sleeve 36 among four spacing subassemblies 3 imbed in the soil layer and carry on spacingly, fixed to backup pad 2, then the staff makes dwang 31 and lead screw 34 rotate through the upper nut among the rotatory four spacing subassemblies 3, because the existence that blocks piece 353 and block groove 361 can make spacing sleeve 36 upwards or downstream, avoid rotating along with lead screw 34 together, consequently the staff can change the whole length of lead screw 34 and spacing sleeve 36 and then carry out the leveling to backup pad 2 through rotating lead screw 34. After levelling, the worker can carry out the next detection work on the support plate 2 by lowering the pulling rope 43 by turning the hand wheel 44 to drop the protective assembly 5 and thus the feeler 6. In the falling process, if the protection component 5 shakes, the rubber telescopic sleeve 5323 in the protection component 5 is extruded by the inner wall of the pile hole 1, so that the sliding block 54 is extruded to the buffer block 5321 by the inner movement of the sliding groove 531, and the spring 5322 is further compressed, so that the buffer effect can be achieved, and the protection component 5 can protect the probe 6. When the probe 6 falls to a predetermined position, the worker stops rotating the hand wheel 44 and hooks the hook 46 to the positioning hole 451 to position the rope winder 42, and then the worker can perform the detection operation. After the detection is finished, the pulling rope 43 is retracted to pull out the protection component 5 and the probe 6. The working platform for detecting the pile bottom karst cave has the effects of high safety coefficient and convenience in operation.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by the embodiments, therefore: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a work platform for bottom of pile solution cavity is surveyed which characterized in that: comprises a supporting plate (2) horizontally arranged above a pile hole (1), wherein four corners of the supporting plate (2) are respectively provided with a limiting component (3), the middle position of the supporting plate (2) is provided with an inlet (22), the upper surface of the supporting plate (2) is fixed with a support (4) at a position close to the inlet (22), the support (4) is rotatably connected with a rotating shaft (41) horizontally arranged, the outer side of the rotating shaft (41) is fixed with a rope winder (42), a hand wheel (44) and a positioning disc (45), the edge position circumference array on the surface of the positioning disc (45) is provided with a plurality of positioning holes (451), the support (4) is provided with hooks (46) matched with the positioning holes (451), the outer side of the rope winder (42) is wound with a traction rope (43), one end of the traction rope (43) is fixed on the rope winder (42) and the other end is connected with a protection component (5), the bottom of the protection component (5) is provided with a probe (6);
the four corners of the supporting plate (2) are respectively vertically provided with a limiting hole (21), each limiting component (3) comprises a rotating rod (31) which is vertically arranged and penetrates through the limiting hole (21), the top and the bottom of the rotating rod (31) are respectively and horizontally provided with an upper nut (32) and a lower nut (33), the length of the rotating rod (31) is consistent with the thickness of the supporting plate (2), the lower surface of the upper nut (32) and the upper surface of the lower nut (33) are respectively attached to the upper surface and the lower surface of the supporting plate (2), the lower surface of the lower nut (33) is fixedly provided with a vertically arranged screw rod (34), the screw rod (34) is superposed with the axis of the rotating rod (31), the lower surface of the supporting plate (2) is provided with a fixing block (35), the inside of the fixing block (35) is provided with a cavity (351), the bottom of the fixing block (35) is vertically provided with an extending hole (352) and the extending hole (352) is communicated with the cavity (351), lower nut (33) set up and stretch out the cavity (351) outside at cavity (351) inside and lead screw (34) through stretching out hole (352), and the partial threaded connection that lead screw (34) stretch out outside cavity (351) has vertical setting's spacing sleeve (36), and the lower surface that blocks groove (361) and fixed block (35) is vertically seted up on the outer wall of spacing sleeve (36) is fixed with vertical setting block (353) in the position department that corresponds with blocking groove (361).
2. The working platform for detecting the karst cave at the bottom of the pile according to claim 1, wherein: the bottom of the limiting sleeve (36) is conical.
3. The working platform for detecting the karst cave at the bottom of the pile according to claim 1, wherein: fixed block (35) can be dismantled and connect the lower surface at backup pad (2), go up nut (32), down nut (33) and dwang (31) between be dismantled and be connected.
4. The working platform for detecting the karst cave at the bottom of the pile according to claim 1, wherein: the protection component (5) comprises a horizontally arranged connecting block (51), four side walls of the connecting block (51) in the vertical direction are respectively and fixedly connected with an adjusting sleeve (52) which is horizontally arranged and has the same size, and the inside of each adjusting sleeve (52) is in threaded connection with an adjusting screw rod (53) which is horizontally arranged and has the same size.
5. The working platform for detecting the karst cave at the bottom of the pile according to claim 4, wherein: the inner part of one end, far away from the connecting block (51), of each adjusting screw rod (53) is horizontally provided with a sliding groove (531), the inner part of each sliding groove (531) is connected with a sliding block (54) in a sliding mode, the end face, located in each sliding groove (531), of each sliding block (54) is a conical surface (541), a placing groove (532) is formed in the inner wall of each sliding groove (531), the placing groove (532) is opposite to the conical surface (541) of each sliding block (54) and is T-shaped in cross section passing through the axis, the inner part of each placing groove (532) is connected with a buffer block (5321) in a sliding mode, a spring (5322) is arranged inside each placing groove (532), two ends of each spring (5322) abut against the inner wall of each placing groove (532) and each buffer block (5321), and the part, extending out of each placing groove (532), of each buffer block (5321) abuts against the conical surface (541) of each sliding block (54).
6. The working platform for detecting the karst cave at the bottom of the pile according to claim 5, wherein: the one end that connecting block (51) was kept away from in accommodate the lead screw (53) can be dismantled and be connected with rubber telescopic sleeve (5323), and rubber telescopic sleeve (5323) set up in accommodate the lead screw (53) and stretch out the outside of the part outside spout (531), and rubber telescopic sleeve (5323) just forms confined space with the inside intercommunication of spout (531).
7. The working platform for detecting the karst cave at the bottom of the pile according to claim 4, wherein: and the upper surface of the connecting block (51) is provided with a leveling bubble.
8. The working platform for detecting the karst cave at the bottom of the pile according to claim 1, wherein: the hook (46) is hinged on the bracket (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398124.9A CN111123400B (en) | 2019-12-30 | 2019-12-30 | Working platform for pile bottom karst cave detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398124.9A CN111123400B (en) | 2019-12-30 | 2019-12-30 | Working platform for pile bottom karst cave detection |
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| CN111123400A CN111123400A (en) | 2020-05-08 |
| CN111123400B true CN111123400B (en) | 2022-04-12 |
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