CN109060282B - Road and bridge detection device - Google Patents
Road and bridge detection device Download PDFInfo
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- CN109060282B CN109060282B CN201811237731.2A CN201811237731A CN109060282B CN 109060282 B CN109060282 B CN 109060282B CN 201811237731 A CN201811237731 A CN 201811237731A CN 109060282 B CN109060282 B CN 109060282B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0008—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of bridges
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Abstract
The invention relates to the field of bridge detection, in particular to a road and bridge detection device, which comprises a supporting table, a compression mechanism, an air inlet pipe, a lifting mechanism, a fixing mechanism, an adjusting mechanism and a communicating mechanism, wherein the compression mechanism is arranged on the top surface of the supporting table and is communicated with the lifting mechanism; the top surface of the supporting table is provided with a sliding adjusting mechanism, and the top surface of the adjusting mechanism is provided with a lifting mechanism and a sliding adjusting mechanism, so that the crack detector is pushed to slide on the bottom surface of the bridge, and the crack detector can further detect cracks conveniently.
Description
Technical Field
The invention relates to the field of bridge detection, in particular to a road and bridge detection device.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass.
When detecting bridge bottom crack, people need step on the ladder, hold the instrument and detect bridge bottom crack, people detection efficiency is low, and people hold the instrument for a long time, and intensity of labour is big and the hand is sour. In view of this, the present invention provides a road and bridge detection device, which has the following characteristics:
according to the road and bridge detection device, the compression mechanism is mounted on the top surface of the supporting table and is communicated with the lifting mechanism, the top end of the lifting mechanism is fixedly connected with the fixing mechanism, when the bottom surface of the bridge needs to be detected, the crack detector is fixed inside the fixing mechanism, the compression mechanism is extruded, gas inside the compression mechanism enters the lifting interior, and therefore the lifting mechanism is pushed to move upwards, the fixing mechanism and the crack detector are pushed to move, the crack detector detects cracks on the bottom surface of the bridge, labor intensity of people is relieved, and detection efficiency is improved.
(2) According to the road and bridge detection device, the top surface of the supporting table is provided with the sliding adjusting mechanism, and the lifting mechanism and the sliding adjusting mechanism are arranged on the top surface of the adjusting mechanism, so that the crack detector is pushed to slide on the bottom surface of the bridge, and the crack detector can further detect cracks conveniently.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a road and bridge detection device, wherein a compression mechanism is arranged on the top surface of a supporting table and is communicated with a lifting mechanism, the top end of the lifting mechanism is fixedly connected with a fixing mechanism, when the bottom surface of a bridge needs to be detected, and a crack detector is fixed in the fixing mechanism, the compression mechanism is extruded, so that gas in the compression mechanism enters the lifting interior, the lifting mechanism is pushed to move upwards, the fixing mechanism and the crack detector are pushed to move, the crack detector detects cracks on the bottom surface of the bridge, the labor intensity of people is relieved, and the detection efficiency is accelerated; the top surface of the supporting table is provided with a sliding adjusting mechanism, and the top surface of the adjusting mechanism is provided with a lifting mechanism and a sliding adjusting mechanism, so that the crack detector is pushed to slide on the bottom surface of the bridge, and the crack detector can further detect cracks conveniently.
The technical scheme adopted by the invention for solving the technical problems is as follows: a road and bridge detection device comprises a supporting table, a compression mechanism, an air inlet pipe, a lifting mechanism, a fixing mechanism, an adjusting mechanism and a communicating mechanism; the adjusting mechanism is arranged on the top surface of the supporting table, the lifting mechanism is fixedly connected to the middle of the top surface of the adjusting mechanism, and the top end of the lifting mechanism is fixedly connected with the fixing mechanism; the compression mechanism is arranged at the edge of the top surface of the supporting table, and the side wall of the compression mechanism is communicated with the air inlet mechanism; the top end of the air inlet mechanism is provided with the communicating mechanism; the air inlet mechanism is fixed on the top surface of the supporting table, one end of the air inlet mechanism is fixedly connected with the air inlet pipe, and one end of the air inlet pipe extends into the lifting mechanism.
Specifically, the adjusting mechanism comprises a supporting plate, a rotating rod, a sliding chute, a mounting plate, sawteeth, a gear, a fixing column and a clamping groove, the mounting plate is symmetrically mounted on the top surface of the supporting table, and the top surface of the mounting plate is connected with the supporting plate in a sliding manner; the top surface of the mounting plate is provided with the chute with a T-shaped sectional area, the inside of the chute is connected with the rotating rod in a sliding manner, and the top end of the rotating rod is rotatably connected with the inside of the supporting plate; the bottom end of the rotating rod is fixedly connected with the gear, one side wall of the sliding chute is provided with the saw teeth which are distributed at equal intervals, and the saw teeth are meshed with the gear; the bottom surface of gear is installed the fixed column, the bottom surface of spout is equipped with the draw-in groove, the inside sliding connection of draw-in groove the fixed column.
Specifically, elevating system includes cylinder, a plurality of lifter and rubber ring, the cylinder is fixed in the top surface of backup pad, just the inside sliding connection of cylinder the lifter, the bottom lateral wall suit of lifter the rubber ring, one the lifter bottom the rubber ring is contradicted and sliding connection is another the inside of lifter, and a plurality of the diameter of lifter is followed the both ends of cylinder are reduced in proper order to the department placed in the middle, are located the inside edge of cylinder the rubber ring is contradicted the inside wall of cylinder.
Specifically, fixed establishment includes plug screw, splint and fixed plate, is located one of the inside department placed in the middle of the cylinder the top surface fixed connection of lifter the fixed plate, the lateral wall edge symmetry installation of fixed plate splint, just splint with threaded connection between the plug screw.
Specifically, the compression mechanism includes a compression cylinder and a compression block, the top surface of the support table is provided with the compression cylinder, and the inner side wall of the compression cylinder is slidably connected with the side wall of the compression block.
Specifically, the air inlet mechanism comprises a connecting sleeve, a fixed funnel, a piston, a first fixed rod, a second fixed rod and a spring, the connecting sleeve is fixed on the top surface of the supporting table, and the other end of the connecting sleeve is communicated with the bottom end of the compression cylinder; the two ends of the air inlet pipe are respectively arranged in the air cylinder and the connecting sleeve, one end of the connecting sleeve is provided with the fixed funnel, and the piston is clamped and connected in a sliding manner in the fixed funnel; the second fixing rods with L-shaped side walls are symmetrically arranged at one end inside the air inlet pipe, the first fixing rods are connected inside the second fixing rods in a sliding mode, and one ends of the first fixing rods are fixedly connected with the piston; the other end of the first fixing rod and the inner part of the second fixing rod are respectively arranged at two ends of the spring, and the spring is located in the second fixing rod.
Specifically, the feed mechanism includes filter screen, floater and communicating pipe, communicating pipe install in the other end of adapter sleeve, the inside department installation placed in the middle of communicating pipe the filter screen, the top surface of filter screen is contradicted the floater, the floater block the inside top of communicating pipe, just the diameter of floater is greater than the minimum internal diameter of communicating pipe, the diameter of floater is less than the maximum internal diameter of communicating pipe.
The invention has the beneficial effects that:
(1) according to the road and bridge detection device, the compression mechanism is mounted on the top surface of the supporting table and is communicated with the lifting mechanism, the top end of the lifting mechanism is fixedly connected with the fixing mechanism, when the bottom surface of the bridge needs to be detected, the crack detector is fixed inside the fixing mechanism, the compression mechanism is extruded, gas inside the compression mechanism enters the lifting interior, and therefore the lifting mechanism is pushed to move upwards, the fixing mechanism and the crack detector are pushed to move, the crack detector detects cracks on the bottom surface of the bridge, labor intensity of people is relieved, and detection efficiency is improved.
(2) According to the road and bridge detection device, the top surface of the supporting table is provided with the sliding adjusting mechanism, and the lifting mechanism and the sliding adjusting mechanism are arranged on the top surface of the adjusting mechanism, so that the crack detector is pushed to slide on the bottom surface of the bridge, and the crack detector can further detect cracks conveniently.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a road and bridge detection apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the intake mechanism shown in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the adjustment mechanism shown in FIG. 1;
fig. 4 is a schematic cross-sectional structure view of the lifting mechanism shown in fig. 1.
In the figure: 1. support table, 2, compressing mechanism, 21, compression section of thick bamboo, 22, compression piece, 3, air inlet mechanism, 31, adapter sleeve, 32, fixed funnel, 33, piston, 34, first dead lever, 35, second dead lever, 36, spring, 4, intake pipe, 5, elevating system, 51, cylinder, 52, lifter, 53, rubber ring, 6, fixed establishment, 61, plug screw, 62, splint, 63, fixed plate, 7, adjustment mechanism, 71, backup pad, 72, bull stick, 73, spout, 74, mounting panel, 75, sawtooth, 76, gear, 77, fixed column, 78, draw-in groove, 8, communication mechanism, 81, filter screen, 82, floater, 83, communicating pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, the road and bridge detection device of the present invention comprises a support table 1, a compression mechanism 2, an air intake mechanism 3, an air intake pipe 4, a lifting mechanism 5, a fixing mechanism 6, an adjusting mechanism 7 and a communicating mechanism 8; the adjusting mechanism 7 is installed on the top surface of the supporting table 1, the lifting mechanism 5 is fixedly connected to the middle of the top surface of the adjusting mechanism 7, and the fixing mechanism 6 is fixedly connected to the top end of the lifting mechanism 5; the compression mechanism 2 is installed at the edge of the top surface of the support table 1, and the side wall of the compression mechanism 2 is communicated with the air inlet mechanism 3; the top end of the air inlet mechanism 3 is provided with the communicating mechanism 8; the air inlet mechanism 3 is fixed on the top surface of the support table 1, one end of the air inlet mechanism 3 is fixedly connected with the air inlet pipe 4, and one end of the air inlet pipe 4 extends into the lifting mechanism 5.
Specifically, the adjusting mechanism 7 includes a supporting plate 71, a rotating rod 72, a sliding slot 73, a mounting plate 74, a saw tooth 75, a gear 76, a fixing column 77 and a clamping slot 78, the mounting plate 74 is symmetrically mounted on the top surface of the supporting table 1, and the top surface of the mounting plate 74 is slidably connected with the supporting plate 71; the top surface of the mounting plate 74 is provided with the sliding groove 73 with a T-shaped cross section, the inside of the sliding groove 73 is connected with the rotating rod 72 in a sliding manner, and the top end of the rotating rod 72 is rotatably connected with the inside of the supporting plate 71; the bottom end of the rotating rod 72 is fixedly connected with the gear 76, one side wall of the sliding groove 73 is provided with the saw teeth 75 which are distributed at equal intervals, and the saw teeth 75 are meshed with the gear 76; the fixed column 77 is mounted on the bottom surface of the gear 76, the slot 78 is arranged on the bottom surface of the sliding groove 73, the fixed column 77 is slidably connected inside the slot 78, so that the rotating rod 72 can conveniently rotate inside the supporting plate 71, the gear 76 is driven to rotate inside the sliding groove 73, the gear 76 rotates on the side wall of the sawtooth 75, the supporting plate 71 is driven to slide on the top surface of the mounting plate 74, and the position of the crack detector is slightly adjusted; when the gear 76 slides, the fixing post 77 slides in the slot 78, so as to fix the gear 76 in the sliding slot 73, thereby preventing the support plate 71 from sliding off the top surface of the mounting plate 74.
Specifically, elevating system 5 includes cylinder 51, a plurality of lifter 52 and rubber ring 53, cylinder 51 is fixed in the top surface of backup pad 71, just cylinder 51's inside sliding connection lifter 52, lifter 52's bottom lateral wall suit rubber ring 53, one the rubber ring 53 conflict and sliding connection another of lifter 52 bottom, and it is a plurality of lifter 52's diameter is followed cylinder 51's both ends reduce to the department of centering in proper order, are located cylinder 51 is inside the most marginal rubber ring 53 conflicts the inside wall of cylinder 51, for convenient gaseous entering cylinder 51's inside promotes a plurality ofly in proper order lifter 52 is in cylinder 51's inside is sealed, thereby promotes fixed establishment 6 and crack detector upward movement.
Specifically, the fixing mechanism 6 includes a screw plug 61, a clamping plate 62 and a fixing plate 63, is located one of the inside middle positions of the cylinder 51 the top surface of the lifting rod 52 is fixedly connected to the fixing plate 63, the side wall edges of the fixing plate 63 are symmetrically installed on the clamping plate 62, and the clamping plate 62 is in threaded connection with the screw plug 61, so as to prevent the crack detector from being on the top surface of the fixing plate 63, rotate the screw plug 61, make the screw plug 61 collide with the crack detector, and fix the crack detector on the top surface of the fixing plate 63.
Specifically, the compression mechanism 2 comprises a compression cylinder 21 and a compression block 22, the compression cylinder 21 is mounted on the top surface of the support table 1, the inner side wall of the compression cylinder 21 is slidably connected with the side wall of the compression block 22, and the compression block 22 can push the gas inside the compression cylinder 21 into the connecting sleeve 31 for convenience of movement.
Specifically, the air inlet mechanism 3 comprises a connecting sleeve 31, a fixed funnel 32, a piston 33, a first fixed rod 34, a second fixed rod 35 and a spring 36, the connecting sleeve 31 is fixed on the top surface of the supporting table 1, and the other end of the connecting sleeve 31 is communicated with the bottom end of the compression cylinder 21; the two ends of the air inlet pipe 4 are respectively installed in the cylinder 51 and the connecting sleeve 31, one end of the connecting sleeve 31 is provided with the fixed funnel 32, and the inside of the fixed funnel 32 is clamped and slidably connected with the piston 33; the second fixing rod 35 with an L-shaped side wall is symmetrically installed at one end inside the air inlet pipe 4, the first fixing rod 34 is slidably connected inside the second fixing rod 35, and one end of the first fixing rod 34 is fixedly connected with the piston 33; the other end of the first fixing rod 34 and the inside of the second fixing rod 35 are respectively installed at two ends of the spring 36, and the spring 36 is located inside the second fixing rod 35, so as to facilitate the gas to enter the inside of the connecting sleeve 31, push the piston 33 to move inside the fixing funnel 32, make the piston 33 move to open the fixing funnel 32, and the piston 33 moves to push the first fixing rod 34 to slide linearly into the inside of the second fixing rod 35, compress the spring 36 inside the second fixing rod 35, make the gas enter the inside of the cylinder 51 through the gas inlet pipe 4, and when the gas does not enter the inside of the gas inlet pipe 4 any more, the spring 36 extends to push the first fixing rod 34 to move, make the first fixing rod 34 move linearly, and make the piston 33 close the inside of the fixing funnel 32, preventing the inside of the cylinder 51 from being deflated.
Specifically, the communicating mechanism 8 includes a filter screen 81, a floating ball 82 and a communicating pipe 83, the communicating pipe 83 is installed at the other end of the connecting sleeve 31, the filter screen 81 is installed at the center of the inside of the communicating pipe 83, the top surface of the filter screen 81 abuts against the floating ball 82, the floating ball 82 is fastened to the top end of the inside of the communicating pipe 83, the diameter of the floating ball 83 is larger than the minimum inner diameter of the communicating pipe 83, the diameter of the floating ball 83 is smaller than the maximum inner diameter of the communicating pipe 83, so that when the compression block 22 compresses the gas inside the compression cylinder 21, the gas enters the inside of the communicating pipe 83, the floating ball 82 moves upward, the floating ball 82 seals the communicating pipe 83, the gas enters the inside of the fixed funnel 32, and when the compression block 22 moves upward inside the compression cylinder 21, under the action of gravity, the floating ball 82 is dropped on the surface of the filter screen 81, so that the communication pipe 83 is opened, the external air can enter the compression cylinder 21 through the communication pipe 83, and the compression block 22 can move upwards.
When the crack detector is used, the crack detector is moved to the bridge bottom, the crack detector is placed on the top surface of the fixing plate 63 and is located between the two clamping plates 62, the screw plug 61 between the clamping plates 62 is rotated, the screw plug 61 moves on the side wall of the clamping plates 62, the screw plug 61 abuts against the side wall of the crack detector, and therefore the crack detector is fixed on the top surface of the fixing plate 63. The compression block 22 is pressed downwards, the compression block 22 moves in the compression cylinder 21, the gas in the compression cylinder 21 enters the connecting sleeve 31, the gas enters the communicating pipe 83 through the connecting sleeve 31, the gas penetrates through the filter screen 81 and contacts with the floating ball 82, the floating ball 82 moves in the communicating pipe 83, the diameter of the floating ball 83 is larger than the minimum inner diameter of the communicating pipe 83, the floating ball 83 is clamped at the top end of the inside of the communicating pipe 83, the communicating pipe 83 is sealed by the floating ball 82, and the gas penetrates through the connecting sleeve 31 and enters the fixed funnel 32; the gas enters the inside of the fixed funnel 32 to push the piston 33 to move in the inside of the fixed funnel 32, so that the piston 33 slides out of the inside of the fixed funnel 32, the fixed funnel 32 is opened, and the piston 33 moves, so that the piston 33 presses the first fixed rod 34, the first fixed rod 34 slides linearly in the inside of the second fixed rod 35, so that the piston 33 moves linearly in the inside of the fixed funnel 32, and the first fixed rod 34 moves to compress the spring 36 in the inside of the second fixed rod 35; the fixed funnel 32 is opened to allow the gas to penetrate through the fixed funnel 32 into the inside of the gas inlet pipe 4, and the gas enters the inside of the cylinder 51 through the gas inlet pipe 4 to increase the pressure of the cylinder 51. The gas enters the inside of the cylinder 51, the gas enters the inside of one lifting rod 52 located in the center of the inside of the cylinder 51, the top end of the lifting rod 52 is sealed by the bottom surface of the fixing plate 63, and along with the gas entering, the rubber ring 53 on the side wall of one lifting rod 52 and the lifting rod 52 is pushed to move upwards in the inside of the other lifting rod 52, so that the one lifting rod 52 drives the fixing mechanism 6 and the crack detector to move upwards. When the compression block 22 moves to the bottommost end of the compression cylinder 21, when no gas enters the air inlet pipe 4, the spring 36 inside the second fixing rod 35 extends to push the first fixing rod 34 to move, so that the first fixing rod 34 drives the piston 33 to move linearly to enter the fixing funnel 32, the piston 33 is clamped inside the fixing funnel 32, the fixing funnel 32 is sealed, the air cylinder 51 is sealed, and the air cylinder 51 is prevented from leaking gas. When the compression block 22 moves upward in the compression cylinder 21, the floating ball 82 is caused to fall down to the surface of the strainer 81 by the action of gravity and the suction force of the compression block 22, and the diameter of the floating ball 83 is smaller than the maximum inner diameter of the communication pipe 83, so that the communication pipe 83 is opened, and when the compression block 22 slides upward, air is caused to pass through the communication pipe 83 and enter the compression cylinder 21. The compression block 22 is continuously squeezed, gas continuously enters the inside of the cylinder 51, the gas continuously enters the inside of the cylinder 51, one lifting rod 52 is pushed to slide upwards in the other lifting rod 52, when the rubber ring 53 at the bottom end of the lifting rod 52 is clamped with the top end of the inside of the other lifting rod 52, the rubber ring 53 at the bottom end of the other lifting rod 52 and the rubber ring 53 at the bottom end of the other lifting rod 52 are pushed to slide continuously in the other lifting rod 52 along with the continuous entering of the gas, the fixing mechanism 6 and the crack detector continuously move upwards, and along with the continuous moving of the gas, the rubber rings 53 are matched with the lifting rods 52 to seal the inside of the other lifting rod 52, so that the lifting rods 52 are continuously pushed to move upwards sequentially, the crack detector is made to contact with cracks at the bridge bottom, and the crack detector is made to detect cracks at the bridge. The rotating rod 72 on the top surface of the supporting plate 71 is rotated, the rotating rod 72 rotates in the supporting plate 71, meanwhile, the gear 76 is driven to rotate in the sliding groove 73, the gear 76 rotates on the side wall of the sawtooth 75, the supporting plate 71 is driven to slide on the top surface of the mounting plate 74, the lifting mechanism 5 and the fixing mechanism 6 are driven to move by the sliding of the supporting plate 71, the position of the crack detector is slightly adjusted, the crack detector can conveniently move under a crack, and the crack detector can conveniently detect the crack; when the gear 76 slides, the gear 76 drives the fixing column 77 to slide in the clamping groove 78, the fixing column 77 fixes the gear 76, the gear 76 is enabled to be always meshed with the saw teeth 75, the gear 76 is fixed in the T-shaped sliding groove 73, the supporting plate 71 is prevented from sliding off from the top surface of the mounting plate 74, and the stability of the device is improved. After the crack detector is used for saving, a valve at the bottom end of the air cylinder 51 is opened, air in the air cylinder 51 is exhausted, the pressure in the air cylinder 51 is reduced, the lifting rod 52 is sequentially collected into the air cylinder 51 under the action of gravity, the fixing mechanism 6 and the crack detector are lowered, and then the crack detector is taken down from the top surface of the fixing mechanism 6.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a road and bridge detection device which characterized in that: comprises a support table (1), a compression mechanism (2), an air inlet mechanism (3), an air inlet pipe (4), a lifting mechanism (5), a fixing mechanism (6), an adjusting mechanism (7) and a communicating mechanism (8); the adjusting mechanism (7) is installed on the top surface of the supporting table (1), the lifting mechanism (5) is fixedly connected to the middle of the top surface of the adjusting mechanism (7), and the fixing mechanism (6) is fixedly connected to the top end of the lifting mechanism (5); the compression mechanism (2) is installed at the edge of the top surface of the support table (1), and the side wall of the compression mechanism (2) is communicated with the air inlet mechanism (3); the top end of the air inlet mechanism (3) is provided with the communication mechanism (8); the air inlet mechanism (3) is fixed on the top surface of the support table (1), one end of the air inlet mechanism (3) is fixedly connected with the air inlet pipe (4), and one end of the air inlet pipe (4) extends into the lifting mechanism (5);
the adjusting mechanism (7) comprises a supporting plate (71), a rotating rod (72), a sliding groove (73), a mounting plate (74), saw teeth (75), a gear (76), a fixing column (77) and a clamping groove (78), the mounting plate (74) is symmetrically mounted on the top surface of the supporting table (1), and the top surface of the mounting plate (74) is connected with the supporting plate (71) in a sliding mode; the top surface of the mounting plate (74) is provided with the sliding groove (73) with the T-shaped cross section, the inside of the sliding groove (73) is connected with the rotating rod (72) in a sliding manner, and the top end of the rotating rod (72) is rotatably connected with the inside of the supporting plate (71); the bottom end of the rotating rod (72) is fixedly connected with the gear (76), saw teeth (75) which are distributed at equal intervals are arranged on one side wall of the sliding groove (73), and the saw teeth (75) are meshed with the gear (76); the fixing column (77) is mounted on the bottom surface of the gear (76), the clamping groove (78) is formed in the bottom surface of the sliding groove (73), and the fixing column (77) is connected to the inside of the clamping groove (78) in a sliding mode;
the lifting mechanism (5) comprises an air cylinder (51), a plurality of lifting rods (52) and rubber rings (53), the air cylinder (51) is fixed on the top surface of the supporting plate (71), the lifting rods (52) are slidably connected inside the air cylinder (51), the rubber rings (53) are sleeved on the side walls of the bottom ends of the lifting rods (52), the rubber ring (53) at the bottom end of one lifting rod (52) abuts against and is slidably connected with the inside of the other lifting rod (52), the diameters of the lifting rods (52) are sequentially reduced from two ends of the air cylinder (51) to the center, and the rubber ring (53) at the edge of the inside of the air cylinder (51) abuts against the inner side wall of the air cylinder (51);
the fixing mechanism (6) comprises a screw plug (61), a clamping plate (62) and a fixing plate (63), the top surface of one lifting rod (52) positioned in the center of the inside of the cylinder (51) is fixedly connected with the fixing plate (63), the clamping plate (62) is symmetrically installed at the edge of the side wall of the fixing plate (63), and the clamping plate (62) is in threaded connection with the screw plug (61);
the compression mechanism (2) comprises a compression cylinder (21) and a compression block (22), the compression cylinder (21) is mounted on the top surface of the support table (1), and the inner side wall of the compression cylinder (21) is slidably connected with the compression block (22);
the air inlet mechanism (3) comprises a connecting sleeve (31), a fixed funnel (32), a piston (33), a first fixed rod (34), a second fixed rod (35) and a spring (36), the connecting sleeve (31) is fixed on the top surface of the supporting table (1), and the other end of the connecting sleeve (31) is communicated with the bottom end of the compression cylinder (21); the two ends of the air inlet pipe (4) are respectively arranged in the air cylinder (51) and the connecting sleeve (31), one end of the connecting sleeve (31) is provided with the fixed funnel (32), and the inner part of the fixed funnel (32) is clamped and connected with the piston (33) in a sliding manner; the second fixing rod (35) with the L-shaped side wall is symmetrically installed at one end inside the air inlet pipe (4), the first fixing rod (34) is connected inside the second fixing rod (35) in a sliding mode, and one end of the first fixing rod (34) is fixedly connected with the piston (33); two ends of the spring (36) are respectively installed at the other end of the first fixing rod (34) and the inside of the second fixing rod (35), and the spring (36) is positioned inside the second fixing rod (35);
the communicating mechanism (8) comprises a filter screen (81), a floating ball (82) and a communicating pipe (83), the communicating pipe (83) is installed at the other end of the connecting sleeve (31), the filter screen (81) is installed in the middle of the inside of the communicating pipe (83), the top surface of the filter screen (81) abuts against the floating ball (82), the floating ball (82) is clamped at the top end of the inside of the communicating pipe (83), the diameter of the floating ball (82) is larger than the minimum inner diameter of the communicating pipe (83), and the diameter of the floating ball (82) is smaller than the maximum inner diameter of the communicating pipe (83);
when the crack detector is used, the crack detector is moved to the bottom of a bridge, the crack detector is placed on the top surface of a fixing plate (63), the crack detector is positioned between two clamping plates (62), a screw plug (61) between the clamping plates (62) is rotated, the screw plug (61) moves on the side wall of the clamping plates (62), the screw plug (61) abuts against the side wall of the crack detector, and therefore the crack detector is fixed on the top surface of the fixing plate (63); the compression block (22) is pressed downwards, the compression block (22) moves in the compression cylinder (21), the gas in the compression cylinder (21) enters the connecting sleeve (31), the gas enters the communicating pipe (83) through the connecting sleeve (31), the gas penetrates through the filter screen (81) and contacts with the floating ball (82), the floating ball (82) moves in the communicating pipe (83), the diameter of the floating ball (82) is larger than the minimum inner diameter of the communicating pipe (83), the floating ball (82) is clamped at the top end of the communicating pipe (83), the floating ball (82) seals the communicating pipe (83), and the gas penetrates through the connecting sleeve (31) and enters the fixed funnel (32); the gas enters the inside of the fixed funnel (32) to push the piston (33) to move in the fixed funnel (32), so that the piston (33) slides out of the inside of the fixed funnel (32), the fixed funnel (32) is opened, the piston (33) moves, the piston (33) extrudes the first fixed rod (34), the first fixed rod (34) slides into the inside of the second fixed rod (35) linearly, the piston (33) moves in the inside of the fixed funnel (32) linearly, and the first fixed rod (34) moves to compress the spring (36) in the inside of the second fixed rod (35); the fixed funnel (32) is opened, so that gas penetrates through the fixed funnel (32) to enter the inside of the gas inlet pipe (4), and the gas enters the inside of the cylinder (51) through the gas inlet pipe (4), so that the pressure of the cylinder (51) is increased; the gas enters the inside of the cylinder (51), the gas enters the inside of one lifting rod (52) located in the center of the inside of the cylinder (51), the top end of the lifting rod (52) is sealed by the bottom surface of the fixing plate (63), and along with the entering of the gas, the rubber ring (53) on the side wall of one lifting rod (52) and the side wall of the lifting rod (52) is pushed to move upwards in the other lifting rod (52), so that one lifting rod (52) drives the fixing mechanism (6) and the crack detector to move upwards; when the compression block (22) moves to the bottommost end of the compression cylinder (21) and no gas enters the air inlet pipe (4), the spring (36) in the second fixing rod (35) extends to push the first fixing rod (34) to move, so that the first fixing rod (34) drives the piston (33) to linearly move to enter the fixing funnel (32), the piston (33) is clamped in the fixing funnel (32), the fixing funnel (32) is sealed, the air cylinder (51) is sealed, and the air leakage of the air cylinder (51) is prevented; when the compression block (22) moves upwards in the compression cylinder (21), under the action of gravity and the suction force of the compression block (22), the floating ball (82) falls on the surface of the filter screen (81), the diameter of the floating ball (82) is smaller than the maximum inner diameter of the communication pipe (83), the communication pipe (83) is opened, and when the compression block (22) slides upwards, air penetrates through the communication pipe (83) and enters the compression cylinder (21); the compression block (22) is continuously extruded, gas continuously enters the cylinder (51), the gas inside the cylinder (51) continuously enters, one lifting rod (52) is pushed to slide upwards in the other lifting rod (52), when the rubber ring (53) at the bottom end of the lifting rod (52) is clamped with the top end of the inside of the other lifting rod (52), the other lifting rod (52) and the rubber ring (53) at the bottom end of the other lifting rod (52) are pushed to slide continuously in the other lifting rod (52) along with the continuous entering of the gas, the fixing mechanism (6) and the crack detector continuously move upwards, and along with the continuous movement of the gas, the rubber rings (53) are matched with the lifting rods (52) to seal the inside of the other lifting rod (52), so that the lifting rods (52) are continuously pushed to move upwards in sequence, and the crack detector is contacted with cracks at the bridge bottom, enabling a crack detector to detect cracks at the bottom of the bridge; the rotating rod (72) on the top surface of the supporting plate (71) is rotated, the rotating rod (72) rotates in the supporting plate (71), meanwhile, the gear (76) is driven to rotate in the sliding groove (73), the gear (76) rotates on the side wall of the sawtooth (75), so that the supporting plate (71) is driven to slide on the top surface of the mounting plate (74), the lifting mechanism (5) and the fixing mechanism (6) move due to the sliding of the supporting plate (71), the position of the crack detector is slightly adjusted, the crack detector can conveniently move under a crack, and the crack detector can conveniently detect the crack; when the gear (76) slides, the gear (76) drives the fixing column (77) to slide in the clamping groove (78), the gear (76) is fixed by the fixing column (77), the gear (76) is enabled to be always meshed with the saw teeth (75), the gear (76) is fixed in the T-shaped sliding groove (73), the supporting plate (71) is prevented from sliding off the top surface of the mounting plate (74), and the stability of the device is improved; after the crack detector is used, a valve at the bottom end of the air cylinder (51) is opened, air in the air cylinder (51) is exhausted, the pressure in the air cylinder (51) is reduced, the lifting rod (52) is sequentially collected into the air cylinder (51) under the action of gravity, the fixing mechanism (6) and the crack detector are lowered, and then the crack detector is taken down from the top surface of the fixing mechanism (6).
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| CN109060282B true CN109060282B (en) | 2021-06-25 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110319762B (en) * | 2019-06-18 | 2021-02-26 | 浙江大学宁波理工学院 | Measuring device for crack form of concrete bridge and rectangular coordinate system measuring method |
| CN110319763B (en) * | 2019-06-18 | 2021-04-06 | 浙江大学宁波理工学院 | Measuring device and measuring method for crack form of reinforced concrete bridge |
| CN110987055A (en) * | 2019-12-20 | 2020-04-10 | 盐城市方圆测绘有限公司 | On-spot survey and drawing system is used in engineering survey and drawing |
| CN111624201B (en) * | 2020-06-05 | 2021-04-06 | 招商局重庆交通科研设计院有限公司 | Bridge detection device |
| CN111765355A (en) * | 2020-07-06 | 2020-10-13 | 嘉兴勤慎智能技术有限公司 | Multi-index comprehensive road and bridge detection device |
| CN113252258B (en) * | 2021-04-17 | 2022-09-06 | 中交四公局（北京)公路试验检测科技有限公司 | Bridge crack detection device |
| CN115584682B (en) * | 2022-11-10 | 2023-06-23 | 诸暨市天辰钢结构工程有限公司 | Bridge crack detection device and detection method thereof |
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| CN109060282A (en) | 2018-12-21 |
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