CN111578887A - Wall crack measuring device and using method thereof - Google Patents
Wall crack measuring device and using method thereof Download PDFInfo
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- CN111578887A CN111578887A CN202010389448.2A CN202010389448A CN111578887A CN 111578887 A CN111578887 A CN 111578887A CN 202010389448 A CN202010389448 A CN 202010389448A CN 111578887 A CN111578887 A CN 111578887A
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- wall
- block
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- rod
- crack
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 31
- 238000009825 accumulation Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
- F16B7/149—Telescoping systems locking in intermediate non-discrete positions with a sleeve or ring having a tapered or conical surface
Abstract
The invention discloses a wall crack measuring device and a using method thereof, and relates to the field of building quality detection. The wall crack measuring device comprises a fixing block, a first fixing frame and a second fixing frame, wherein a telescopic rod is arranged at the bottom of the fixing block, a roller is rotatably connected to the inner wall of the first fixing frame, a coupling agent is coated on the outer surface of the roller, a connecting rod is welded to the inner wall of the second fixing frame, a supporting block is connected to the connecting rod in a clamped mode, a detection head is fixedly connected to the end portion of the supporting block, a data line is arranged on the side wall of the supporting block, and a detector is arranged at the bottom end of the data line. According to the wall crack measuring device and the using method thereof, when the crack is located at a higher position, the couplant can be coated, and the detection head is attached to the crack, so that the wall crack can be conveniently detected.
Description
Technical Field
The invention relates to the technical field of building quality detection, in particular to a wall crack measuring device and a using method thereof.
Background
The crack depth measurement refers to a nondestructive testing technology for measuring related parameters such as crack depth, invasion angle and the like in a member by adopting methods such as ultrasound, magnetic flux leakage or electric potential and the like, wherein the comprehensive crack detector is mainly and widely used for accurately detecting the crack width and the crack depth of bridges, tunnels, buildings, concrete pavements, metal surfaces and the like.
In the process of using the comprehensive crack detector, firstly, a couplant needs to be coated at the crack of a wall body, then a detection head is attached to the crack of the wall body coated with the couplant, air between the detection head and the wall body is exhausted through the arranged couplant, so that the crack is detected more accurately, the height of the building wall body is generally very high, when the crack is located at a higher position, the couplant is not convenient to coat on the one hand, on the other hand, the detection head cannot be attached to the crack, and great inconvenience is caused to the detection process, so that the wall body crack measuring device and the using method thereof are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a wall crack measuring device and a using method thereof, aiming at solving the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a wall crack measuring device and a using method thereof comprise a fixed block, a first fixed frame and a second fixed frame, wherein a telescopic rod is arranged at the bottom of the fixed block, a clamping groove is formed in the side wall of the fixed block, a cavity is formed in the fixed block and is arranged above the clamping groove, a sliding plate is connected to the inner wall of the cavity in a sliding manner, a pull rod is welded on the upper surface of the sliding plate, the top of the pull rod penetrates through the top wall of the fixed block and extends outwards, an elastic part is sleeved on the outer surface of the pull rod, the two ends of the elastic part are respectively and fixedly connected to the upper surface of the sliding plate and the inner top wall of the cavity, a limiting block is welded on the lower surface of the sliding plate, the bottom end of the limiting block penetrates through the bottom wall of the cavity and extends towards the inside of the clamping groove, and clamping blocks are, the side, opposite to the limiting block, of the limiting block is provided with an inclined plane which is attached to the clamping block, and the upper surface of the clamping block is provided with a limiting groove which is attached to the outer wall of the limiting block;
the inner wall of the first fixing frame is rotatably connected with a roller, a coupling agent is coated on the outer surface of the roller, a connecting rod is welded on the inner wall of the second fixing frame and is connected with a supporting block in a clamped mode, a detection head is fixedly connected to the end portion of the supporting block, a data line is arranged on the side wall of the supporting block, and a detector is arranged at the bottom end of the data line.
Preferably, the top of the pull rod is fixedly connected with a pull ring.
Preferably, the middle part of the connecting rod is provided with a slot which is communicated up and down, the bottom of the supporting block is provided with an insert block, the inner wall of the slot is provided with an anti-skid rubber ring, and the insert block is in interference fit with the slot through the anti-skid rubber ring.
Preferably, the telescopic rod is obliquely arranged relative to the vertical central axis of the fixed block.
Preferably, the telescopic rod comprises a first rod piece and a second rod piece, the second rod piece is fixedly connected to the lower surface of the fixing block, the second rod piece is movably sleeved on the inner wall of the first rod piece, and a limiting assembly is arranged between the first rod piece and the second rod piece.
Preferably, spacing subassembly includes spacing frame, spacing frame fixed connection is at the top of first member, four flexure strips of fixedly connected with on the interior diapire of spacing frame, and four the flexure strip encircles and sets up on the interior diapire of spacing frame, the top fixedly connected with extrusion piece of flexure strip, the roof threaded connection of spacing frame has the sleeve, telescopic bottom is passed the roof of spacing frame and is extended and fixedly connected with extrusion ring to the inside of spacing frame, just the extrusion ring sets up directly over four extrusion pieces, just the second member passes in proper order between four flexure strips, between four extrusion pieces, extrusion ring and sleeve and outside extension.
Preferably, the top of the sleeve is fixedly connected with a knob, the knob is sleeved on the outer surface of the second rod piece, and the inner wall of the knob is not pressed by the contact with the outer surface of the second rod piece.
Preferably, the inner walls of the extrusion blocks are provided with anti-skid rubber pads.
Preferably, the outer surface of the knob is provided with anti-skid textures.
Preferably, the using method specifically comprises the following steps:
step S1: firstly, observing the height of a crack of a wall body, pulling a second rod piece outwards or pushing the second rod piece inwards to enable the length of a telescopic rod to be proper, then rotating a knob to drive a sleeve to be screwed into a limiting frame, enabling an extrusion ring to be in contact with four extrusion blocks, driving the four extrusion blocks and four elastic pieces to gather together and tightly fit with the outer surface of the second rod piece, and accordingly effectively fixing the position of the second rod piece;
step S2: then inserting a clamping block on the side wall of the first fixing frame into the clamping groove, wherein the end part of the clamping block extrudes the end part of the limiting block and drives the limiting block to move upwards in the inserting process, meanwhile, the sliding plate and the pull rod are driven to move upwards, meanwhile, the elastic part is compressed and is in a force accumulation and compression state until the end part of the clamping block abuts against the inner wall of the clamping groove, at the moment, the limiting block is positioned right above the limiting groove, the elastic part compressed by previous force accumulation rebounds and stretches, and the sliding plate and the limiting block are driven to move downwards, so that the limiting block is clamped into the limiting groove, and the positions of the clamping block and the first fixing frame;
step S3: then, the telescopic rod is held by a hand to align the roller to the crack of the wall body for rolling, so that the coupling agent is adhered to the crack of the wall body;
step S4: after the couplant is coated, pulling the pull ring upwards to drive the limiting block to move upwards through the pull rod and the sliding plate until the limiting block is separated from the limiting groove, pulling the first fixing frame outwards at the moment and extracting the clamping block on the outer surface of the first fixing frame from the clamping groove, and then repeating the step S2 to fix the clamping block on the side wall of the second fixing frame in the clamping groove;
step S5: then, inserting the inserting block at the bottom of the supporting block into the slot, and fixing the detecting head on the connecting rod by interference fit of the inserting block and the slot through the anti-skid rubber ring;
step S6: the end part of the detection head is attached to the crack of the wall body coated with the coupling agent through the telescopic rod, and the detection instrument can effectively measure the crack of the wall body through the detection head and the data line.
The invention discloses a wall crack measuring device and a using method thereof, and the wall crack measuring device has the following beneficial effects:
1. the wall crack measuring device and the using method thereof are characterized in that the fixing block and the first fixing frame are arranged, the clamping block on the side wall of the first fixing frame is clamped in the clamping groove on the side wall of the fixing block, the first fixing frame is stably fixed on the side wall of the fixing block, then the first fixing frame is lifted to a crack generated at a high position of a wall body through the telescopic rod, the roller is attached to the crack of the wall body and pushes the first fixing frame to move through the telescopic rod, so that a couplant on the outer surface of the roller is coated at the crack of the wall body, then the second fixing frame is fixed on the side wall of the fixing block after the first fixing frame is disassembled, then the end part of the detection head is attached to the crack of the wall body coated with the couplant through the telescopic rod, and the detector can effectively measure.
2. According to the wall crack measuring device and the using method thereof, the first rod piece and the second rod piece are arranged, so that the total length of the first rod piece and the second rod piece can be adjusted by outwards pumping the second rod piece or inwards pushing the second rod piece, and meanwhile, the positions of the first rod piece and the second rod piece can be fixed through the arranged limiting assembly, so that the adjustment can be carried out according to the height of the crack in the wall.
3. According to the wall crack measuring device and the using method thereof, the supporting block and the detecting head are conveniently mounted and dismounted through the arranged inserting block and the slot, the telescopic rod can be retracted, the first fixing frame and the second fixing frame can be dismounted from the fixing block, and therefore the wall crack measuring device is convenient to carry and can be respectively assembled when in use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a joint between a fixing block and a fixture block according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the construction of the joint of the connecting bar and the support block of the present invention;
FIG. 5 is a schematic structural view of a stop assembly according to the present invention;
fig. 6 is a schematic view of the structure of the elastic sheet and the pressing block of the present invention.
In the figure: 1. a fixed block; 101. a card slot; 102. a cavity; 103. a slide plate; 104. a pull rod; 105. an elastic member; 106. a limiting block; 107. a clamping block; 108. a limiting groove; 109. a pull ring; 2. a first fixed frame; 201. a drum; 202. a coupling agent; 3. a second fixed frame; 301. a connecting rod; 302. a support block; 303. a detection head; 304. a data line; 305. a detector; 306. a slot; 307. inserting a block; 4. a telescopic rod; 401. a first bar member; 402. a second bar member; 403. a limiting frame; 404. an elastic sheet; 405. extruding the block; 406. a sleeve; 407. an extrusion ring; 408. a knob; 409. anti-skid rubber pad.
Detailed Description
Example 1: the embodiment of the invention discloses a wall crack measuring device, as shown in figures 1-6, which comprises a fixed block 1, a first fixed frame 2 and a second fixed frame 3, wherein the bottom of the fixed block 1 is provided with a telescopic rod 4, the side wall of the fixed block 1 is provided with a clamping groove 101, the inside of the fixed block 1 is provided with a cavity 102, the cavity 102 is arranged above the clamping groove 101, the inner wall of the cavity 102 is connected with a sliding plate 103 in a sliding way, the upper surface of the sliding plate 103 is welded with a pull rod 104, the top of the pull rod 104 penetrates through the top wall of the fixed block 1 and extends towards the outside, the outer surface of the pull rod 104 is sleeved with an elastic element 105, two ends of the elastic element 105 are respectively and fixedly connected on the upper surface of the sliding plate 103 and the inner top wall of the cavity 102, the lower surface of the sliding plate 103 is welded with a limiting block 106, the bottom end of the limiting block 106 penetrates through the bottom wall, the opposite sides of the limiting block 106 and the clamping block 107 are provided with adhered inclined planes, and the upper surface of the clamping block 107 is provided with a limiting groove 108 adhered to the outer wall of the limiting block 106;
inserting a clamping block 107 on the side wall of the first fixing frame 2 into the clamping groove 101, in the inserting process, the end part of the clamping block 107 extrudes the end part of the limiting block 106 and drives the limiting block 106 to move upwards, simultaneously, the sliding plate 103 and the pull rod 104 are driven to move upwards, simultaneously, the elastic element 105 is compressed and is in a force accumulation compression state until the end part of the clamping block 107 is abutted against the inner wall of the clamping groove 101, at the moment, the limiting block 106 is positioned right above the limiting groove 108, the elastic element 105 compressed by previous force accumulation rebounds and stretches, and drives the sliding plate 103 and the limiting block 106 to move downwards, so that the limiting block 106 is clamped into the limiting groove 108, thereby fixing the positions of the clamping block 107 and the first fixing frame 2, pulling the pull ring 109 upwards to drive the limiting block 106 to move upwards through the pull rod 104 and the sliding plate 103 until the limiting block 106 is separated from the limiting groove 108, at the moment, pulling the first, and then the clamping block 107 on the side wall of the second fixing frame 3 can be fixed in the clamping groove 101 by repeating the above actions.
The inner wall of the first fixing frame 2 is rotatably connected with a roller 201, the outer surface of the roller 201 is coated with a coupling agent 202, the inner wall of the second fixing frame 3 is welded with a connecting rod 301, the connecting rod 301 is connected with a supporting block 302 in a clamping manner, the end part of the supporting block 302 is fixedly connected with a detection head 303, the side wall of the supporting block 302 is provided with a data line 304, the bottom end of the data line 304 is provided with a detector 305, through arranging the fixing block 1 and the first fixing frame 2, a clamping block 107 on the side wall of the first fixing frame 2 is clamped in a clamping groove 101 on the side wall of the fixing block 1, so that the first fixing frame 2 is stably fixed on the side wall of the fixing block 1, then the first fixing frame 2 is lifted to a crack generated at the high position of a wall body through a telescopic rod 4, then the roller 201 is attached to the crack of the wall body and the first, then the second fixing frame 3 is fixed on the side wall of the fixing block 1 after the first fixing frame 2 is detached, then the end part of the detection head 303 is attached to the crack of the wall body coated with the couplant 202 through the telescopic rod 4, and the detector 305 can effectively measure the crack at the high position of the wall body through the detection head 303 and the data line 304.
The top of the pull rod 104 is fixedly connected with a pull ring 109, and the pull rod 104 is convenient to pull outwards through the arranged pull ring 109.
The slot 306 that link up about the mid portion of connecting rod 301 is equipped with separately, the bottom of supporting shoe 302 is provided with inserted block 307, be provided with the anti-skidding rubber circle on the inner wall of slot 306, inserted block 307 passes through anti-skidding rubber circle and slot 306 interference fit, inserted block 307 and slot 306 through setting up, thereby conveniently install and dismantle supporting shoe 302 and detection head 303, and telescopic link 4 can shrink, fixed frame 2 of first fixed frame and second 3 all can be dismantled with fixed block 1, and then portable, it can respectively with its equipment during the use.
The telescopic rod 4 is obliquely arranged relative to the vertical central axis of the fixed block 1, so that a user can conveniently observe the position of a wall crack under the telescopic rod.
The telescopic rod 4 comprises a first rod piece 401 and a second rod piece 402, the second rod piece 402 is fixedly connected to the lower surface of the fixing block 1, the second rod piece 402 is movably sleeved on the inner wall of the first rod piece 401, a limiting assembly is arranged between the first rod piece 401 and the second rod piece 402, the total length of the first rod piece 401 and the second rod piece 402 can be adjusted by outwards pulling the second rod piece 402 or inwards pushing the second rod piece 402 through the arranged first rod piece 401 and the second rod piece 402, meanwhile, the positions of the first rod piece 401 and the second rod piece 402 can be fixed through the arranged limiting assembly, and therefore the height of the wall body in a crack can be adjusted.
The limiting assembly comprises a limiting frame 403, the limiting frame 403 is fixedly connected to the top of the first rod member 401, four elastic sheets 404 are fixedly connected to the inner bottom wall of the limiting frame 403, the four elastic sheets 404 are arranged on the inner bottom wall of the limiting frame 403 in a surrounding mode, extrusion blocks 405 are fixedly connected to the tops of the elastic sheets 404, sleeves 406 are connected to the top wall of the limiting frame 403 in a threaded mode, the bottom ends of the sleeves 406 penetrate through the top wall of the limiting frame 403 and extend towards the inside of the limiting frame 403, extrusion rings 407 are fixedly connected to the top of the elastic sheets 404, the extrusion rings 407 are arranged right above the four extrusion blocks 405, the second rod member 402 sequentially penetrates through the four elastic sheets 404, the four extrusion blocks 405, the extrusion rings 407 and the sleeves 406 and extend towards the outside, the height of a crack of a wall body is observed firstly, the second rod member 402 is pulled outwards or pushed inwards to enable the length of the telescopic rod 4 to be proper, and, thereby driving the sleeve 406 to screw into the limiting frame 403, so that the pressing ring 407 contacts with the four pressing blocks 405, and drives the four pressing blocks 405 and the four elastic pieces 404 to gather and tightly adhere to the outer surface of the second rod 402, thereby effectively fixing the position of the second rod 402.
The top of sleeve 406 is fixedly connected with knob 408, and knob 408 cup joints on the surface of second member 402, and the inner wall of knob 408 and the surface contact of second member 402 do not extrude, through the knob 408 that sets up to be convenient for drive sleeve 406's rotation.
All be provided with anti-skidding rubber pad 409 on the inner wall of extrusion piece 405, through the anti-skidding rubber pad 409 that sets up, increased the frictional force between extrusion piece 405 and the second member 402 surface on the one hand, play more effectual fixed action to second member 402, on the other hand has played certain guard action to the surface of second member 402.
The outer surface of the knob 408 is provided with anti-slip texture, so that the knob 408 can be rotated conveniently, and the situation of releasing hands in the rotating process is avoided.
Example 2: a using method of a wall crack measuring device is shown in figures 1-6 and specifically comprises the following steps:
step S1: firstly, observing the height of a crack of a wall body, drawing the second rod piece 402 outwards or pushing the second rod piece 402 inwards to enable the length of the telescopic rod 4 to be proper, then rotating the knob 408 to drive the sleeve 406 to be screwed into the limiting frame 403, enabling the extrusion ring 407 to be in contact with the four extrusion blocks 405, driving the four extrusion blocks 405 and the four elastic sheets 404 to be gathered and tightly attached to the outer surface of the second rod piece 402, and accordingly effectively fixing the position of the second rod piece 402;
step S2: then, a clamping block 107 on the side wall of the first fixing frame 2 is inserted into the clamping groove 101, the end of the clamping block 107 extrudes the end of the limiting block 106 and drives the limiting block 106 to move upwards in the inserting process, meanwhile, the sliding plate 103 and the pull rod 104 are driven to move upwards, meanwhile, the elastic element 105 is compressed and is in a force accumulation compression state until the end of the clamping block 107 abuts against the inner wall of the clamping groove 101, the limiting block 106 is positioned right above the limiting groove 108, the elastic element 105 compressed by previous force accumulation rebounds and stretches, and drives the sliding plate 103 and the limiting block 106 to move downwards, so that the limiting block 106 is clamped into the limiting groove 108, and the positions of the clamping block 107 and the first fixing frame 2 are fixed;
step S3: then, the telescopic rod 4 is held by a hand to align the roller 201 to the crack of the wall body for rolling, so that the couplant 202 is adhered to the crack of the wall body;
step S4: after the couplant 202 is coated, the pull ring 109 is pulled upwards to drive the limiting block 106 to move upwards through the pull rod 104 and the sliding plate 103 until the limiting block 106 is separated from the limiting groove 108, at the moment, the first fixing frame 2 is pulled outwards and the fixture block 107 on the outer surface of the first fixing frame 2 is pulled out of the clamping groove 101, and then the step S2 is repeated to fix the fixture block 107 on the side wall of the second fixing frame 3 in the clamping groove 101;
step S5: then, the inserting block 307 at the bottom of the supporting block 302 is inserted into the slot 306, and the inserting block 307 is in interference fit with the slot 306 through the anti-skid rubber ring, so that the detection head 303 is fixed on the connecting rod 301;
step S6: the end part of the detection head 303 is attached to the crack of the wall body coated with the coupling agent 202 through the telescopic rod 4, and the detector 305 can effectively measure the crack of the wall body through the detection head 303 and the data line 304.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a wall crack measuring device, includes fixed block (1), the fixed frame of first fixed frame (2) and second (3), its characterized in that: the bottom of fixed block (1) is provided with telescopic link (4), draw-in groove (101) have been seted up on the lateral wall of fixed block (1), the inside of fixed block (1) is provided with cavity (102), just cavity (102) set up the top at draw-in groove (101), sliding connection has slide plate (103) on the inner wall of cavity (102), the last surface weld of slide plate (103) has pull rod (104), the roof of fixed block (1) is passed and outside extension in the top of pull rod (104), elastic component (105) has been cup jointed on the surface of pull rod (104), and the both ends of elastic component (105) are fixed connection respectively on the upper surface of slide plate (103) and the interior roof of cavity (102), the lower surface weld of slide plate (103) has stopper (106), just the bottom of stopper (106) passes the diapire of cavity (102) and extends to the inside of draw-in groove (101), clamping blocks (107) are welded on the side walls of the first fixing frame (2) and the second fixing frame (3), one opposite sides of the limiting block (106) and the clamping blocks (107) are provided with inclined planes which are attached to each other, and the upper surface of each clamping block (107) is provided with a limiting groove (108) which is attached to the outer wall of the limiting block (106);
the rotary drum type detection device is characterized in that a rotary drum (201) is rotatably connected to the inner wall of the first fixing frame (2), a coupling agent (202) is coated on the outer surface of the rotary drum (201), a connecting rod (301) is welded to the inner wall of the second fixing frame (3), a supporting block (302) is clamped to the connecting rod (301), a detection head (303) is fixedly connected to the end of the supporting block (302), a data line (304) is arranged on the side wall of the supporting block (302), and a detector (305) is arranged at the bottom end of the data line (304).
2. The wall crack measuring device of claim 1, wherein: the top of the pull rod (104) is fixedly connected with a pull ring (109).
3. The wall crack measuring device of claim 1, wherein: the middle part of the connecting rod (301) is provided with a slot (306) which is communicated up and down, the bottom of the supporting block (302) is provided with an insert block (307), the inner wall of the slot (306) is provided with an anti-skid rubber ring, and the insert block (307) is in interference fit with the slot (306) through the anti-skid rubber ring.
4. The wall crack measuring device of claim 1, wherein: the telescopic rod (4) is obliquely arranged relative to the vertical central axis of the fixed block (1).
5. The wall crack measuring device of claim 1, wherein: the telescopic rod (4) comprises a first rod piece (401) and a second rod piece (402), the second rod piece (402) is fixedly connected to the lower surface of the fixing block (1), the second rod piece (402) is movably sleeved on the inner wall of the first rod piece (401), and a limiting assembly is arranged between the first rod piece (401) and the second rod piece (402).
6. The wall crack measuring device of claim 5, wherein: the limiting assembly comprises a limiting frame (403), the limiting frame (403) is fixedly connected to the top of the first rod piece (401), four elastic sheets (404) are fixedly connected on the inner bottom wall of the limit frame (403), and four elastic pieces (404) are arranged on the inner bottom wall of the limit frame (403) in a surrounding way, the top of the elastic sheet (404) is fixedly connected with an extrusion block (405), the top wall of the limit frame (403) is in threaded connection with a sleeve (406), the bottom end of the sleeve (406) penetrates through the top wall of the limit frame (403), extends towards the inside of the limit frame (403) and is fixedly connected with a squeezing ring (407), and the extrusion ring (407) is arranged right above the four extrusion blocks (405), and the second rod piece (402) sequentially passes through the four elastic pieces (404), the four extrusion blocks (405), the extrusion ring (407) and the sleeve (406) and extends outwards.
7. The wall crack measuring device of claim 6, wherein: the top of the sleeve (406) is fixedly connected with a knob (408), the knob (408) is sleeved on the outer surface of the second rod piece (402), and the inner wall of the knob (408) is not in contact with the outer surface of the second rod piece (402) and is not extruded.
8. The wall crack measuring device of claim 6, wherein: and anti-skid rubber pads (409) are arranged on the inner walls of the extrusion blocks (405).
9. The wall crack measuring device of claim 7, wherein: the outer surface of the knob (408) is provided with anti-skid grains.
10. The use method of the wall crack measuring device according to any one of claims 1 to 9, characterized in that: the using method specifically comprises the following steps:
step S1: firstly, observing the height of a crack of a wall body, drawing a second rod piece (402) outwards or pushing the second rod piece (402) inwards to enable the length of a telescopic rod (4) to be proper, then rotating a knob (408) to drive a sleeve (406) to be screwed into a limiting frame (403), enabling an extrusion ring (407) to be in contact with four extrusion blocks (405), and driving the four extrusion blocks (405) and four elastic sheets (404) to gather and tightly fit with the outer surface of the second rod piece (402), thereby effectively fixing the position of the second rod piece (402);
step S2: then inserting a clamping block (107) on the side wall of the first fixing frame (2) into the clamping groove (101), wherein the end part of the clamping block (107) extrudes the end part of the limiting block (106) and drives the limiting block (106) to move upwards in the inserting process, meanwhile, the sliding plate (103) and the pull rod (104) are driven to move upwards, meanwhile, the elastic part (105) is compressed and is in a force accumulation compression state until the end part of the clamping block (107) is abutted against the inner wall of the clamping groove (101), at the moment, the limiting block (106) is positioned right above the limiting groove (108), the elastic part (105) compressed by previous force accumulation rebounds and stretches, and drives the sliding plate (103) and the limiting block (106) to move downwards, so that the limiting block (106) is clamped into the limiting groove (108), and the positions of the clamping block (107) and the first fixing frame (2) are fixed;
step S3: then, the telescopic rod (4) is held by hand to align the roller (201) to the crack of the wall body for rolling, so that the coupling agent (202) is adhered to the crack of the wall body;
step S4: after the couplant (202) is coated, pulling a pull ring (109) upwards to drive a limiting block (106) to move upwards through a pull rod (104) and a sliding plate (103) until the limiting block (106) is separated from a limiting groove (108), pulling the first fixing frame (2) outwards at the moment and extracting a clamping block (107) on the outer surface of the first fixing frame from a clamping groove (101), and then repeating the step S2 to fix the clamping block (107) on the side wall of the second fixing frame (3) in the clamping groove (101);
step S5: then inserting an inserting block (307) at the bottom of the supporting block (302) into an inserting groove (306), and fixing the detecting head (303) on the connecting rod (301) by interference fit of the inserting block (307) and the inserting groove (306) through an anti-skid rubber ring;
step S6: the end part of the detection head (303) is attached to the crack of the wall body coated with the couplant (202) through the telescopic rod (4), and the detector (305) can effectively measure the crack of the wall body through the detection head (303) and the data line (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112533429A (en) * | 2021-01-11 | 2021-03-19 | 任三英 | Intelligent switch with voice recognition function |
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