CN210199025U - Quality detector for pore grouting compactness - Google Patents

Abstract

The utility model relates to a closely knit degree quality detection appearance of pore canal grout, the test platform comprises a support, be provided with the detection box on the frame, be provided with the exciting hammer in the detection box and receive the signal probe, the detection box is connected with signal amplifier, and signal amplifier is connected with signal analyzer, the top of frame is provided with the roof, is provided with a plurality of support columns between roof and the frame, is provided with the carriage release lever on the support column, and the carriage release lever includes two carriage release levers that are parallel to each other, set up the through-hole corresponding with the support column on the carriage release lever, the carriage release lever passes through-hole sliding fit on the support column that corresponds, is provided with positioner on the carriage release lever, the detection box sets up on positioner, the carriage release lever. The utility model discloses have and be convenient for carry out the effect that detects to the closely knit degree of grout of monoblock prestressed concrete slab pore.

Description

Quality detector for pore grouting compactness

Technical Field

The utility model belongs to the technical field of the technique that closely knit degree of pore canal grout detected and specifically relates to a closely knit degree quality inspection appearance of pore canal grout is related to.

Background

In the construction process of large-scale civil engineering, concrete precast slab generally will be used, current concrete precast slab mostly is the prestressed concrete slab who adopts the post-tensioning method to produce, when adopting the post-tensioning method to produce prestressed concrete slab, need reserve the pore of prestressing tendons in the mould in advance, then pour into concrete to the mould, after the concrete of watering reaches regulation intensity, again stretch-draw passes the reinforcing bar in the reservation pore, and anchor at the both ends of reservation pore with the ground tackle, at last grout in the reservation pore, and whether grout closely knit has very big influence to the intensity of precast slab, grout closely knit not only can reduce the bearing capacity of precast slab, and cause prestressing tendons to rust at the defect position easily, bring the potential safety hazard for the building.

At present, a patent document with an authorization publication number of CN207440010U discloses a prestressed duct grouting compactness detecting device based on an impact echo, which includes a dynamic signal analyzer, a preamplifier and an impact detection assembly electrically connected in sequence, where the impact detection assembly includes a detection box having a detection surface for coupling with a surface to be detected of a prestressed bridge; the detection surface is provided with an impact hole; the impact assembly comprises an impact hammer which is arranged in the detection box and is vertical to the detection surface and a driver which is used for driving the impact hammer to do linear reciprocating motion in the impact hole so as to strike the surface to be detected; a handheld probe is further arranged in the detection box, and the detection end of the handheld probe protrudes out of the detection surface to be coupled with the surface to be detected, so that reflected waves are received.

Above-mentioned prestressing force pore canal grout compactness detection device based on strike echo is when detecting prestressing force concrete slab, need manually to paste the impact detection subassembly and detect on the surface of prefabricated plate, need detect a plurality of sampling points when detecting whole prefabricated plate usually, the inspector need constantly lift up and put down the impact detection subassembly in order to carry out comprehensive detection to the prefabricated plate, it needs very long time to detect complete a prefabricated plate, inspector's high in labor strength and detection efficiency are low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a closely knit degree quality detector of pore canal grout, it has the effect that is convenient for carry out the detection to the closely knit degree of grout of monoblock prestressed concrete slab pore.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a closely knit degree quality detection appearance of pore canal grout, includes the frame, be provided with the detection box on the frame, be provided with the exciting hammer in the detection box and receive the signal probe, the detection box is connected with signal amplifier, and signal amplifier is connected with signal analyzer, the top of frame is provided with the roof, is provided with a plurality of support columns between roof and the frame, is provided with the carriage release lever on the support column, and the carriage release lever includes two carriage release levers that are parallel to each other, set up the through-hole corresponding with the support column on the carriage release lever, the carriage release lever passes through-hole sliding fit on the support column that corresponds, is provided with positioner on the carriage release lever, the detection box sets up on positioner, the carriage release lever is.

By adopting the technical scheme, when the pore grouting compactness quality detection is carried out on the whole prestressed concrete slab, firstly, the prestressed concrete slab to be detected is placed on the base, the detection box is moved to the position corresponding to the sampling point on the prestressed concrete slab by using the positioning device, the movable rod of the movable frame is in sliding fit with the support column through the through hole, the lifting device is started to drive the movable frame to move downwards, so that the detection box moves downwards, the bottom surface of the detection box, which is provided with the vibration exciting hammer and the signal receiving probe, is attached to the surface of the concrete slab to be detected, then the driving device of the vibration exciting hammer is started to enable the vibration exciting hammer to strike the surface to be detected, the signal receiving probe receives the impact echo transmitted from the prestressed pore, the impact echo is amplified by the signal amplifier and analyzed by the signal analyzer, so that a detector can judge the grouting compactness condition at the detection point, the mobile detection box is moved by the positioning device, so that detection personnel can detect different sampling points on the concrete slab, and the whole concrete slab can be conveniently detected.

The utility model discloses a further set up to: the positioning device comprises two connecting rods fixed between the moving rods, a first sliding groove is formed in each connecting rod, a first screw shaft is rotatably supported between the two moving rods, the first screw shaft is connected with a first motor, a guide rod is arranged on the first screw shaft, one end of the guide rod is in sliding fit in the first sliding groove, the other end of the guide rod is in threaded fit on the first screw shaft, a second sliding groove is formed in each guide rod, a second screw shaft is rotatably supported on each guide rod, the second screw shaft is perpendicular to the first screw shaft, a connecting seat is in threaded fit on the second screw shaft, the connecting seat is in sliding fit with the second sliding groove, and the detection box is fixed below the connecting seat.

Through adopting above-mentioned technical scheme, when examining a plurality of different sampling points to the concrete slab surface that awaits measuring, starter motor one, motor one rotates and will makes screw axle one rotate, thereby drive the connecting rod along the motion of screw axle one, starter motor two, motor two rotates and will drive screw axle two and rotate, thereby drive the connecting seat along the motion of screw axle two, the connecting seat removes the position that will change the detection box, cooperation through motor one and motor two can make the detection box move at two directions of moving about freely and quickly, thereby make the location of detection box in the sampling point department of difference, carry out subsequent detection work.

The utility model discloses a further set up to: the lifting device comprises a lifting motor arranged on the top plate, the lifting motor is connected with a double-end speed reducer, bevel gears I are coaxially fixed on two output shafts of the double-end speed reducer, two transmission shafts which are parallel to each other are arranged on two sides of the double-end speed reducer, the transmission shafts are rotatably supported above the top plate, bevel gears II are coaxially fixed on the two transmission shafts, the bevel gears I and the bevel gears are meshed with each other, a plurality of unwinding disks are coaxially fixed on the transmission shafts, steel wire ropes are wound on the unwinding disks, one ends of the steel wire ropes are fixed with the unwinding disks, and one ends of collars penetrate through the top plate, stretch to the lower portion of the top plate.

Through adopting above-mentioned technical scheme, paste on waiting to detect the concrete slab when needs make the detection box, perhaps need make detection box and concrete slab separation, start the hoist motor, the hoist motor will drive double reduction gear and rotate, double reduction gear rotates and will drive bevel gear and rotate, because bevel gear is one and bevel gear two-phase meshing, bevel gear rotates and will drive bevel gear two-phase and rotate, thereby drive the transmission shaft and rotate, the transmission shaft rotates and drives the reel rotation of unreeling, and then make the wire rope who unreels and coil on the dish relieve or the rolling, thereby make the removal frame reciprocate and then drive the detection box and reciprocate.

The utility model discloses a further set up to: the boxboard of detection box bottom is the bottom of the case board, seted up circular shape hammer eye on the bottom of the case board, the excitation hammer passes the bottom of the case board and stretches the below of bottom of the case board, and the tip that the excitation hammer is located the detection box is provided with separation blade one, and the cover is equipped with pressure spring one on the part that the excitation hammer is located the detection box, and the one end of pressure spring one is supported on the bottom of the case board, and the other end supports on separation blade one, be provided with the plywood in the detection box, be provided with step motor on the plywood, coaxial being fixed with the cam on step motor's the output shaft, the cam passes the plywood and cooper.

Through adopting above-mentioned technical scheme, step motor rotates and can drive the cam and rotate, and the profile of cam can support on separation blade one when the cam rotates to the exciting hammer can remove to the bottom of the case board outside, and pressure spring one promotes the exciting hammer and makes the exciting hammer have the trend that resets, and step motor rotates the round and can make the exciting hammer accomplish once and strike the action, realizes that the exciting hammer treats the impact of pick-up plate.

The utility model discloses a further set up to: the laminated plate and the box bottom plate are respectively provided with a detection hole, the trusted probe is in sliding fit with the two detection holes, the detection end of the trusted probe is positioned outside the detection box, the other end of the trusted probe is positioned above the laminated plate and is provided with a second blocking piece, a second pressure spring is arranged on the part of the trusted probe between the laminated plate and the box bottom plate in a penetrating mode, one end of the second pressure spring is abutted to the laminated plate, and the other end of the second pressure spring is abutted to the outer side wall of the trusted probe.

By adopting the technical scheme, when the bottom surface of the detection box is pressed on the surface of the concrete slab to be detected, the signal receiving probe is attached to the surface to be detected, the second pressure spring has a tendency of pushing the signal receiving probe to move towards the outer side of the box bottom plate, when the vibration exciter strikes the surface to be detected, the detection box is caused to vibrate, and the second pressure spring can enable the signal receiving probe to be always supported on the surface to be detected, so that the detection accuracy is improved.

The utility model discloses a further set up to: the air blower is arranged on the base and connected with a hose, one end of the hose is connected with an air outlet of the air blower, the other end of the hose extends into the detection box, a blowing hole is formed in a box bottom plate of the detection box, and the end portion, extending into the detection box, of the hose is communicated with the blowing hole.

Through adopting above-mentioned technical scheme, after will detecting the case and pasting on waiting to detect concrete plate surface, before detecting, start the air-blower, the air-blower blows to concrete slab's surface through hose and blowhole to can blow away the debris that wait the detection point department on concrete plate surface, reduced the influence of debris to detecting the accuracy.

The utility model discloses a further set up to: the machine base is provided with a plurality of positioning blocks.

By adopting the technical scheme, when the prestressed concrete slab to be detected is placed on the stand, the positioning block can limit the position of the prestressed concrete slab so as to facilitate the detection box to position the point to be detected.

The utility model discloses a further set up to: the machine base is provided with a wagon balance.

Through adopting above-mentioned technical scheme, when carrying out pore grouting compactness and detecting, will wait to detect prestressed concrete board place back on the frame, the weighbridge can weigh concrete board's weight, because the grout is not closely knit will make concrete board's weight alleviate, whether the staff of detection can pass through the qualitative judgement concrete board of weight and have the grout defect.

The utility model discloses a further set up to: the machine base is provided with a plurality of jacks.

Through adopting above-mentioned technical scheme, after prestressed concrete slab detected, can make concrete slab rise certain height to the frame top through the jack, be favorable to making the staff carry the concrete slab after detecting through transport means such as fork truck.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the quality detection of the pore grouting compactness of the whole prestressed concrete slab is carried out, firstly, the prestressed concrete slab to be detected is placed on a base, a positioning device is used for moving a detection box to a position corresponding to a sampling point on the prestressed concrete slab, a moving rod of a moving frame is in sliding fit with a supporting column through a through hole, a lifting device is started to drive the moving frame to move downwards, so that the detection box moves downwards, the bottom surface of the detection box, which is provided with an exciting hammer and a signal receiving probe, is attached to the surface of the concrete slab to be detected, then a driving device of the exciting hammer is started to enable the exciting hammer to strike the surface to be detected, the signal receiving probe receives an impact echo transmitted from a prestressed pore, the impact echo is amplified by a signal amplifier and analyzed by a signal analyzer, so that a detector can judge the grouting compactness condition at the detection point, the detection box is moved by the positioning device, so that detection personnel can detect different sampling points on the concrete slab, and the detection of the whole concrete slab is conveniently completed;

2. the detection box can move in the longitudinal direction and the transverse direction through the matching of the first motor and the second motor, so that the detection box is positioned at different sampling points to perform subsequent detection work; the steel wire rope on the unwinding disc can be unwound or wound through the lifting motor, so that the movable frame can be pulled to slide up and down on the support column, and the detection box is driven to move up and down; the stepping motor can drive the cam to force the exciting hammer to complete the impact action on the plate to be detected; the second pressure spring can enable the signal receiving probe to be always abutted against the surface to be detected, so that the detection accuracy is improved; the air blower blows air to the surface of the concrete slab through the hose and the air blowing holes, so that sundries at the point to be detected on the surface of the concrete slab can be blown away, and the influence of the sundries on the detection accuracy is reduced;

3. the positioning block can limit the position of the prestressed concrete slab on the base so as to facilitate the detection box to position the point to be detected; whether the concrete slab has grouting defects or not can be judged qualitatively by a detector through the weight weighed by the weighbridge; the concrete slab is jacked to a certain height above the base through the jack, so that workers can carry the concrete slab after detection is finished through transport tools such as a forklift.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the positioning device;

FIG. 3 is a schematic view of the structure of the detection cassette;

in the figure, 1, a machine base; 11. a wagon balance; 12. a jack; 13. positioning blocks; 14. a support pillar; 2. a top plate; 21. a hoisting motor; 22. a double-headed reducer; 221. a first bevel gear; 23. a drive shaft; 231. a second bevel gear; 232. placing the reel; 233. a wire rope; 3. a positioning device; 31. a travel bar; 311. a through hole; 32. a connecting rod; 321. a first sliding chute; 33. a first screw shaft; 331. a first motor; 34. a guide bar; 341. a bump; 342. a first sliding block; 343. a second chute; 35. a second screw shaft; 351. a second motor; 36. a connecting seat; 361. a second sliding block; 4. a detection box; 41. a box bottom plate; 411. an air blowing hole; 42. laminating the board; 43. a hammer hole; 44. a vibration hammer is excited; 441. a hammer head; 442. a hammer body; 443. a first baffle plate; 444. a first pressure spring; 45. a detection hole; 46. a trusted probe; 461. a second blocking piece; 462. a second pressure spring; 47. a stepping motor; 471. a cam; 5. a blower; 51. a hose; 6. an operation table; 61. a signal amplifier; 62. a signal analyzer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a closely knit degree quality detector of pore canal grout, including frame 1, frame 1 level sets up subaerial, is provided with weighbridge 11 on the frame 1, is provided with a plurality of jacks 12 around the weighbridge 11, still is provided with a plurality of locating pieces 13 on the frame 1, and when waiting to detect prestressed concrete slab and place on frame 1, locating piece 13 can restrict prestressed concrete slab's position so that follow-up detection.

Referring to fig. 1, a top plate 2 is arranged above a base 1, the top plate 2 is horizontally arranged, a gap is formed between the top plate 2 and the base 1, four support columns 14 are arranged between the top plate 2 and the base 1, the support columns 14 are vertically arranged, the top plate 2 is supported above the base 1 through the support columns 14, moving rods 31 are arranged on the support columns 14, the two moving rods 31 are located at the same height, through holes 311 corresponding to the support columns 14 are formed in the moving rods 31, each moving rod 31 is in sliding fit with the two support columns 14 through the through holes 311, and a positioning device 3 is arranged on the moving rod 31.

Referring to fig. 2, the positioning device 3 includes a connecting rod 32 disposed between the two moving rods 31, the connecting rod 32 is perpendicular to the moving rods 31, two ends of the connecting rod 32 are respectively fixed to the two moving rods 31, a first screw shaft 33 is disposed between the moving rods 31, the first screw shaft 33 is disposed parallel to the connecting rod 32, two ends of the first screw shaft 33 are respectively rotatably supported on the two moving rods 31, one end of the first screw shaft 33 is connected to a first motor 331, the first motor 331 is fixed to the moving rods 31, and an output shaft of the first motor 331 is coaxially fixed to the first screw shaft 33.

Referring to fig. 2, a first sliding groove 321 is formed in the connecting rod 32, the first sliding groove 321 is formed along the rod body direction of the connecting rod 32, a guide rod 34 parallel to the moving rods 31 is further arranged between the two moving rods 31, protruding blocks 341 are fixed at both ends of the guide rod 34, a first sliding block 342 is arranged on the protruding block 341 of the guide rod 34 close to the first sliding groove 321, the first sliding block 342 is in sliding fit in the first sliding groove 321, a threaded hole is formed in the protruding block 341 far from the first sliding groove 321, and the protruding block 341 is in threaded fit on the first screw shaft 33 through the threaded hole.

Referring to fig. 2, a second screw shaft 35 is arranged between the two protrusions 341, the second screw shaft 35 is parallel to the shaft of the guide bar 34, a distance is arranged between the second screw shaft 35 and the guide bar 34, two ends of the second screw shaft 35 are respectively and rotatably supported on the two protrusions 341, one end of the second screw shaft 35 is connected with a second motor 351, the second motor 351 is fixed on the protrusion 341, and an output shaft of the second motor 351 is coaxially fixed with the second screw shaft 35.

Referring to fig. 2, a second sliding groove 343 is formed in the guide rod 34, the second sliding groove 343 is formed in the rod body direction of the guide rod 34, a connecting seat 36 is arranged on the second screw shaft 35, a second sliding block 361 is arranged on the connecting seat 36, the second sliding block 361 is in sliding fit with the second sliding groove 343, a threaded hole is formed in the connecting seat 36, the connecting seat 36 is in threaded fit with the second screw shaft 35 through the threaded hole, a detection box 4 is arranged below the connecting seat 36, and the detection box 4 is fixed to the connecting seat 36.

Referring to fig. 1, a lifting motor 21 is disposed on a top plate 2, the lifting motor 21 is connected with a double-head reducer 22, an output shaft of the lifting motor 21 is coaxially fixed with an input shaft of the double-head reducer 22, two output shafts of the double-head reducer 22 are coaxially fixed with a first bevel gear 221, two transmission shafts 23 parallel to each other are disposed on two sides of the double-head reducer 22, the transmission shafts 23 are rotatably supported above the top plate 2, the transmission shafts 23 are perpendicular to the output shafts of the double-head reducer 22, two bevel gears 231 are coaxially fixed on the two transmission shafts 23, and the first bevel gear 221 is meshed with the bevel gears 231.

Referring to fig. 1, a plurality of unwinding disks 232 are coaxially fixed on a transmission shaft 23, a steel wire rope 233 is wound on the unwinding disks 232, one end of the steel wire rope 233 is fixed to the unwinding disks 232, and the other end of the steel wire rope 233 passes through a top plate 2 and extends to the lower side of the top plate 2 and is fixed to a movable rod 31, and the steel wire rope 233 on the unwinding disks 232 can be unwound or wound by driving a lifting motor 21, so that the movable rod 31 can be pulled to slide up and down on a support column 14, and further, a positioning device 3 can slide up and down on the support column.

Referring to fig. 3, a box plate at the bottom of the detection box 4 is a box bottom plate 41, a vibration exciter 44 is arranged in the detection box 4, a circular hammer hole 43 is formed in the box bottom plate 41, the vibration exciter 44 includes a spherical hammer head 441 and a cylindrical hammer body 442 fixed to the hammer head 441, the hammer head 441 is arranged outside the detection box 4, the hammer body 442 is arranged in the hammer hole 43 in a penetrating manner, a first blocking piece 443 is arranged at an end portion of the hammer body 442 located in the detection box 4, a first pressure spring 444 is sleeved on a portion of the hammer body 442 located in the detection box 4, one end of the first pressure spring 444 abuts against the box bottom plate 41, and the other end of the first pressure spring 444 abuts against the first blocking piece 443.

Referring to fig. 3, a laminate 42 is arranged in the detection box 4, the laminate 42 is parallel to the box bottom plate 41, a gap is arranged between the laminate 42 and the box bottom plate 41, a detection hole 45 is formed in the laminate 42 and the box bottom plate 41, a signal receiving probe 46 is in sliding fit in the detection hole 45, a detection end of the signal receiving probe 46 is located outside the detection box 4, the other end of the signal receiving probe 46 is located above the laminate 42 and is provided with a second blocking piece 461, a second compression spring 462 is arranged on a part of the signal receiving probe 46 located between the laminate 42 and the box bottom plate 41 in a penetrating manner, one end of the second compression spring 462 abuts against the laminate 42, and the.

Referring to fig. 3, a stepping motor 47 is arranged on the layer plate 42, a cam 471 is coaxially fixed on an output shaft of the stepping motor 47, the cam 471 penetrates through the layer plate 42 and is matched with the first blocking piece 443, the stepping motor 47 rotates to drive the cam 471 to rotate, when the cam 471 rotates, the outline of the cam 471 abuts against the first blocking piece 443, the first compression spring 444 pushes the vibration exciter 44 to enable the vibration exciter 44 to have a resetting trend, and when the stepping motor 47 rotates for one circle, the vibration exciter 44 can complete one knocking action.

Referring to fig. 1 and 3, an air blower 5 is disposed on the base 1, the air blower 5 is connected to a hose 51, one end of the hose 51 is connected to an air outlet of the air blower 5, the other end of the hose extends into the detection box 4, an air blowing hole 411 is formed in the bottom plate 41 of the detection box 4, and an end of the hose 51 extending into the detection box 4 is communicated with the air blowing hole 411.

Referring to fig. 1, an operation table 6 is arranged on one side of a machine base 1, a signal amplifier 61 and a signal analyzer 62 are arranged on the operation table 6, a detection box 4 is connected with the signal amplifier 61 through a data line, the signal amplifier 61 is connected with the signal analyzer 62 through a data line, when in detection, a prestressed concrete slab to be detected is firstly placed on the machine base 1 and positioned through a positioning block 13, then a weighbridge 11 can weigh the weight of the concrete slab, and a detector can qualitatively judge whether the concrete slab has grouting defects through weight; the lifting motor 21 is then activated, and the lifting motor 21 drives the positioning device 3 and the moving rod 31 to move downwards through the double-headed speed reducer 22, the transmission shaft 23 and the unreeling rope, so that the detection box 4 is pressed against the surface of the concrete slab to be detected, and the signal receiving probe 46 is pressed against the surface of the concrete slab.

Referring to fig. 1 and 3, the blower 5 is started, and the blower 5 blows air to the surface of the concrete slab through the hose 51 and the air blowing hole 411, so that sundries at the point to be detected on the surface of the concrete slab can be blown away, and the influence of the sundries on the detection accuracy can be reduced; then the stepping motor 47 is started, the stepping motor 47 drives the cam 471 to rotate for one circle, the cam 471 can force the vibration hammer 44 to complete one knocking action on the concrete slab, the signal receiving probe 46 receives the impact echo transmitted back from the concrete slab and transmits the signal to the signal amplifier 61, the signal amplifier 61 amplifies the received signal and transmits the amplified signal to the signal analyzer 62, and the signal analyzer 62 analyzes the signal transmitted from the signal amplifier 61, so that the inspector can judge the grouting condition of the pore canal at the inspection point.

Referring to fig. 2, when examining a plurality of sampling points on concrete plate surface to await measuring, starter motor 331, motor 331 rotates and will make screw shaft 33 rotate, thereby drive connecting rod 32 along the motion of screw shaft 33, two 351 of starter motors, two 351 rotations of motor will drive two 35 rotations of screw shaft, thereby drive connecting seat 36 along two 35 motions of screw shaft, 36 removal of connecting seat will change the position that detects box 4, the cooperation through motor 331 and two 351 can change the position that detects box 4 and wait to examine concrete plate surface, thereby make detection box 4 fix a position in different sampling point department, carry out subsequent detection work.

The embodiment of the present invention is a preferred embodiment of the present invention, which is not limited in this way to the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a pore canal grout compactness quality detector, includes frame (1), be provided with on frame (1) and detect case (4), be provided with in detecting case (4) and shake hammer (44) and receive signal probe (46), detect case (4) and be connected with signal amplifier (61), signal amplifier (61) are connected with signal analyzer (62), its characterized in that: the top of frame (1) is provided with roof (2), is provided with a plurality of support columns (14) between roof (2) and frame (1), is provided with the carriage release lever on support column (14), and the carriage release lever includes two carriage release levers (31) that are parallel to each other, set up through-hole (311) corresponding with support column (14) on carriage release lever (31), carriage release lever (31) are provided with positioner (3) on through-hole (311) sliding fit on support column (14) that correspond, carriage release lever (31), detection box (4) set up on positioner (3), the carriage release lever is connected with elevating gear.

2. The apparatus according to claim 1, wherein the apparatus comprises: the positioning device (3) comprises a connecting rod (32) fixed between two moving rods (31), a first sliding groove (321) is formed in the connecting rod (32), a first screw shaft (33) is rotatably supported between the two moving rods (31), the first screw shaft (33) is connected with a first motor (331), a guide rod (34) is arranged on the first screw shaft (33), one end of the guide rod (34) is in sliding fit with the first sliding groove (321), the other end of the guide rod is in threaded fit with the first screw shaft (33), a second sliding groove (343) is formed in the guide rod (34), a second screw shaft (35) is rotatably supported on the guide rod (34), the second screw shaft (35) is perpendicular to the first screw shaft (33), a connecting seat (36) is in threaded fit with the second screw shaft (35), the connecting seat (36) is in sliding fit with the second sliding groove (343), and the detection box (4) is fixed below the connecting seat (36).

3. The apparatus according to claim 2, wherein the apparatus comprises: the lifting device comprises a lifting motor (21) arranged on a top plate (2), the lifting motor (21) is connected with a double-end speed reducer (22), bevel gear I (221) are coaxially fixed on two output shafts of the double-end speed reducer (22), two transmission shafts (23) which are parallel to each other are arranged on two sides of the double-end speed reducer (22), the transmission shafts (23) are rotatably supported above the top plate (2), bevel gear II (231) are coaxially fixed on the two transmission shafts (23), the bevel gear I (221) and the bevel gear II (231) are meshed with each other, a plurality of unwinding disks (232) are coaxially fixed on the transmission shafts (23), steel wire ropes (233) are wound on the unwinding disks (232), one ends of the steel wire ropes (233) are fixed with the unwinding disks (232), and one ends of the steel wire ropes penetrate through the top plate (2) to stretch to the lower side of the top plate (2) and.

4. The apparatus according to any one of claims 1 to 3, wherein: the detection box is characterized in that a box plate at the bottom of the detection box (4) is a box bottom plate (41), a circular hammer hole (43) is formed in the box bottom plate (41), an excitation hammer (44) penetrates through the box bottom plate (41) and extends to the lower side of the box bottom plate (41), a first blocking piece (443) is arranged at the end part of the excitation hammer (44) located in the detection box (4), a first compression spring (444) is sleeved on the part of the excitation hammer (44) located in the detection box (4), one end of the first compression spring (444) is abutted to the box bottom plate (41), the other end of the first compression spring (444) is abutted to the first blocking piece (443), a laminated plate (42) is arranged in the detection box (4), a stepping motor (47) is arranged on the laminated plate (42), a cam (471) is coaxially fixed on an output shaft of the stepping motor (47), and the cam (471) penetrates through the laminated plate (.

5. The apparatus according to claim 4, wherein the apparatus comprises: the laminated plate (42) and the box bottom plate (41) are all provided with detection holes (45), the signal receiving probes (46) are in sliding fit in the two detection holes (45), the detection ends of the signal receiving probes (46) are located outside the detection box (4), the other ends of the signal receiving probes are located above the laminated plate (42) and provided with second blocking pieces (461), second compression springs (462) penetrate through the parts, located between the laminated plate (42) and the box bottom plate (41), of the signal receiving probes (46), one ends of the second compression springs (462) are abutted to the laminated plate (42), and the other ends of the second compression springs are abutted to the outer side wall of the signal receiving probes (46).

6. The apparatus according to claim 5, wherein the apparatus comprises: the air blower (5) is arranged on the base (1), the air blower (5) is connected with a hose (51), one end of the hose (51) is connected with an air outlet of the air blower (5), the other end of the hose extends into the detection box (4), a blow hole (411) is formed in a box bottom plate (41) of the detection box (4), and the end portion, extending into the detection box (4), of the hose (51) is communicated with the blow hole (411).

7. The apparatus according to any one of claims 1 to 3, wherein: the machine base (1) is provided with a plurality of positioning blocks (13).

8. The apparatus according to any one of claims 1 to 3, wherein: the wagon balance (11) is arranged on the machine base (1).

9. The apparatus according to any one of claims 1 to 3, wherein: the machine base (1) is provided with a plurality of jacks (12).

Images